diff --git a/dist/xeokit-sdk.cjs.js b/dist/xeokit-sdk.cjs.js
index a68523b8d..149a3e9a5 100644
--- a/dist/xeokit-sdk.cjs.js
+++ b/dist/xeokit-sdk.cjs.js
@@ -1059,13 +1059,10 @@ class PointerLens {
         this.scene = this.viewer.scene;
 
         this._lensCursorDiv = document.createElement('div');
-        this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv, this.viewer.scene.canvas.canvas);
-        this._lensCursorDiv.style.background = "pink";
-        this._lensCursorDiv.style.border = "2px solid red";
-        this._lensCursorDiv.style.borderRadius = "20px";
-        this._lensCursorDiv.style.width = "10px";
-        this._lensCursorDiv.style.height = "10px";
-        this._lensCursorDiv.style.margin = "-200px -200px";
+        this._lensParams = { canvasSize: 300, cursorBorder: 2, cursorSize: 10 };
+        this._lensCursorDiv.style.borderRadius = "50%";
+        this._lensCursorDiv.style.width  = this._lensParams.cursorSize + "px";
+        this._lensCursorDiv.style.height = this._lensParams.cursorSize + "px";
         this._lensCursorDiv.style.zIndex = "100000";
         this._lensCursorDiv.style.position = "absolute";
         this._lensCursorDiv.style.pointerEvents = "none";
@@ -1078,8 +1075,8 @@ class PointerLens {
         this._lensContainer.style.background = "white";
     //    this._lensContainer.style.opacity = "0";
         this._lensContainer.style.borderRadius = "50%";
-        this._lensContainer.style.width = "300px";
-        this._lensContainer.style.height = "300px";
+        this._lensContainer.style.width  = this._lensParams.canvasSize + "px";
+        this._lensContainer.style.height = this._lensParams.canvasSize + "px";
         
         this._lensContainer.style.zIndex = "15000";
         this._lensContainer.style.position = "absolute";
@@ -1091,13 +1088,14 @@ class PointerLens {
         // this._lensCanvas.style.background = "darkblue";
         this._lensCanvas.style.borderRadius = "50%";
 
-        this._lensCanvas.style.width = "300px";
-        this._lensCanvas.style.height = "300px";
+        this._lensCanvas.style.width  = this._lensParams.canvasSize + "px";
+        this._lensCanvas.style.height = this._lensParams.canvasSize + "px";
         this._lensCanvas.style.zIndex = "15000";
         this._lensCanvas.style.pointerEvents = "none";
 
         document.body.appendChild(this._lensContainer);
         this._lensContainer.appendChild(this._lensCanvas);
+        this._lensContainer.appendChild(this._lensCursorDiv);
 
         this._lensCanvasContext = this._lensCanvas.getContext('2d');
         this._canvasElement = this.viewer.scene.canvas.canvas;
@@ -1115,7 +1113,7 @@ class PointerLens {
 
         this._active = (cfg.active !== false);
         this._visible = false;
-        this._snapped = false;
+        this.snapped = false;
 
         this._onViewerRendering = this.viewer.scene.on("rendering", () => {
             if (this._active && this._visible) {
@@ -1162,21 +1160,13 @@ class PointerLens {
             this._lensCanvas.height // destination height
         );
 
-        const centerLensCanvas = [
-            (lensRect.left + lensRect.right) / 2 - canvasRect.left,
-            (lensRect.top + lensRect.bottom) / 2 - canvasRect.top
-        ];
+        const middle = this._lensParams.canvasSize / 2 - this._lensParams.cursorSize / 2 - this._lensParams.cursorBorder;
 
-        if (this._snappedCanvasPos) {
-            const deltaX = this._snappedCanvasPos[0] - this._canvasPos[0];
-            const deltaY = this._snappedCanvasPos[1] - this._canvasPos[1];
+        const deltaX = this._snappedCanvasPos ? (this._snappedCanvasPos[0] - this._canvasPos[0]) : 0;
+        const deltaY = this._snappedCanvasPos ? (this._snappedCanvasPos[1] - this._canvasPos[1]) : 0;
 
-            this._lensCursorDiv.style.marginLeft = `${centerLensCanvas[0] + deltaX * this._zoomLevel - 10}px`;
-            this._lensCursorDiv.style.marginTop = `${centerLensCanvas[1] + deltaY * this._zoomLevel - 10}px`;
-        } else {
-            this._lensCursorDiv.style.marginLeft = `${centerLensCanvas[0] - 10}px`;
-            this._lensCursorDiv.style.marginTop = `${centerLensCanvas[1] - 10}px`;
-        }
+        this._lensCursorDiv.style.left = `${middle + deltaX * this._zoomLevel}px`;
+        this._lensCursorDiv.style.top  = `${middle + deltaY * this._zoomLevel}px`;
     }
 
 
@@ -1244,14 +1234,10 @@ class PointerLens {
      * @private
      */
     set snapped(snapped) {
-     this._snapped = snapped;
-        if (snapped) {
-            this._lensCursorDiv.style.background = "greenyellow";
-            this._lensCursorDiv.style.border = "2px solid green";
-        } else {
-            this._lensCursorDiv.style.background = "pink";
-            this._lensCursorDiv.style.border = "2px solid red";
-        }
+        this._snapped = snapped;
+        const [ bg, border ] = snapped ? [ "greenyellow", "green" ] : [ "pink", "red" ];
+        this._lensCursorDiv.style.background = bg;
+        this._lensCursorDiv.style.border = this._lensParams.cursorBorder + "px solid " + border;
     }
 
     /**
@@ -1263,19 +1249,19 @@ class PointerLens {
     get snapped() {
         return this._snapped;
     }
-    
+
+    _updateActiveVisible() {
+        this._lensContainer.style.visibility = (this._active && this._visible) ? "visible" : "hidden";
+        this.update();
+    }
+
     /**
      * Sets if this PointerLens is active.
      * @param active
      */
     set active(active) {
         this._active = active;
-        this._lensContainer.style.visibility = (active && this._visible) ? "visible" : "hidden";
-        if (!active || !this._visible ) {
-            this._lensCursorDiv.style.marginLeft = `-100px`;
-            this._lensCursorDiv.style.marginTop = `-100px`;
-        }
-        this.update();
+        this._updateActiveVisible();
     }
 
     /**
@@ -1294,12 +1280,7 @@ class PointerLens {
      */
     set visible(visible) {
         this._visible = visible;
-        this._lensContainer.style.visibility = (visible && this._active) ? "visible" : "hidden";
-        if (!visible || !this._active) {
-            this._lensCursorDiv.style.marginLeft = `-100px`;
-            this._lensCursorDiv.style.marginTop = `-100px`;
-        }
-        this.update();
+        this._updateActiveVisible();
     }
 
     /**
@@ -9590,7 +9571,8 @@ const os = {
     }
 };
 
-function addContextMenuListener(elem, callback) {
+//failCallback will be called when the press is not long enough to considered a long press
+function addContextMenuListener(elem, callback, failCallback = () => {}) {
     if (!elem || !callback) return;
 
     let timeout = null;
@@ -9644,6 +9626,7 @@ function addContextMenuListener(elem, callback) {
     const touchEndHandler = (event) => {
         event.preventDefault();
         if (timeout) {
+            failCallback(event);
             clearTimeout(timeout);
             timeout = null;
         }
@@ -13785,6 +13768,8 @@ const WAITING_FOR_TARGET_LONG_TOUCH_END$1 = 8;
 
 const TOUCH_CANCELING$1 = 7;
 
+const tmpVec2$1 = math.vec2();
+
 /**
  * Creates {@link AngleMeasurement}s from touch input.
  *
@@ -13923,6 +13908,19 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
             this._touchState = WAITING_FOR_ORIGIN_TOUCH_START$1;
         };
 
+        const copyCanvasPos = (event, dst) => {
+            dst[0] = event.clientX;
+            dst[1] = event.clientY;
+            transformToNode(canvas.ownerDocument.documentElement, canvas, dst);
+            return dst;
+        };
+
+        const toBodyPos = (pos, dst) => {
+            dst.set(pos);
+            transformToNode(canvas, canvas.ownerDocument.documentElement, dst);
+            return dst;
+        };
+
         canvas.addEventListener("touchstart", this._onCanvasTouchStart = (event) => {
 
             const currentNumTouches = event.touches.length;
@@ -13936,11 +13934,8 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
             }
 
             const touch = event.touches[0];
-            const touchX = touch.clientX;
-            const touchY = touch.clientY;
-
-            touchStartCanvasPos.set([touchX, touchY]);
-            touchMoveCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchStartCanvasPos);
+            touchMoveCanvasPos.set(touchStartCanvasPos);
 
             switch (this._touchState) {
 
@@ -13956,7 +13951,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                     });
                     if (snapPickResult && snapPickResult.snapped) {
                         pointerWorldPos.set(snapPickResult.worldPos);
-                        this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                        this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2$1));
                     } else {
                         const pickResult = scene.pick({
                             canvasPos: touchMoveCanvasPos,
@@ -13964,7 +13959,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                         });
                         if (pickResult && pickResult.worldPos) {
                             pointerWorldPos.set(pickResult.worldPos);
-                            this.pointerCircle.start(pickResult.canvasPos);
+                            this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2$1));
                         } else {
                             return;
                         }
@@ -14071,7 +14066,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                                     this.pointerLens.cursorPos = snapPickResult.snappedCanvasPos;
                                     this.pointerLens.snapped = true;
                                 }
-                                this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                                this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2$1));
                                 pointerWorldPos.set(snapPickResult.worldPos);
                                 this._currentAngleMeasurement.corner.worldPos = snapPickResult.worldPos;
                                 this._currentAngleMeasurement.corner.entity = snapPickResult.entity;
@@ -14093,7 +14088,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                                         this.pointerLens.cursorPos = pickResult.canvasPos;
                                         this.pointerLens.snapped = false;
                                     }
-                                    this.pointerCircle.start(pickResult.canvasPos);
+                                    this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2$1));
                                     pointerWorldPos.set(pickResult.worldPos);
                                     this._currentAngleMeasurement.corner.worldPos = pickResult.worldPos;
                                     this._currentAngleMeasurement.corner.entity = pickResult.entity;
@@ -14164,7 +14159,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                                     this.pointerLens.cursorPos = snapPickResult.snappedCanvasPos;
                                     this.pointerLens.snapped = true;
                                 }
-                                this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                                this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2$1));
                                 pointerWorldPos.set(snapPickResult.worldPos);
                                 this._currentAngleMeasurement.target.worldPos = snapPickResult.worldPos;
                                 this._currentAngleMeasurement.target.entity = snapPickResult.entity;
@@ -14186,7 +14181,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                                         this.pointerLens.cursorPos = pickResult.canvasPos;
                                         this.pointerLens.snapped = false;
                                     }
-                                    this.pointerCircle.start(pickResult.canvasPos);
+                                    this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2$1));
                                     pointerWorldPos.set(pickResult.worldPos);
                                     this._currentAngleMeasurement.target.worldPos = pickResult.worldPos;
                                     this._currentAngleMeasurement.target.entity = pickResult.entity;
@@ -14250,14 +14245,11 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
             }
 
             const touch = event.touches[0];
-            const touchX = touch.clientX;
-            const touchY = touch.clientY;
-
             if (touch.identifier !== touchId) {
                 return;
             }
 
-            touchMoveCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchMoveCanvasPos);
 
             let snapPickResult;
             let pickResult;
@@ -14427,9 +14419,6 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
             }
 
             const touch = event.changedTouches[0];
-            const touchX = touch.clientX;
-            const touchY = touch.clientY;
-
             if (touch.identifier !== touchId) {
                 return;
             }
@@ -14439,7 +14428,10 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                 longTouchTimeout = null;
             }
 
-            touchEndCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchEndCanvasPos);
+
+            const touchX = touchEndCanvasPos[0];
+            const touchY = touchEndCanvasPos[1];
 
             switch (this._touchState) {
 
@@ -14920,6 +14912,9 @@ class Annotation extends Marker {
             addContextMenuListener(this._marker, e => {
                 e.preventDefault();
                 this.plugin.fire("contextmenu", this);
+            }, e => {
+                e.preventDefault();
+                this.plugin.fire("markerClicked", this);
             });
             this._marker.addEventListener("mouseenter", () => {
                 this.plugin.fire("markerMouseEnter", this);
@@ -66124,7 +66119,7 @@ class VBOInstancingLinesLayer {
 
         let pickFlag = (visible && !culled && pickable) ? RENDER_PASSES.PICK : RENDER_PASSES.NOT_RENDERED;
 
-        const clippableFlag = !!(flags & ENTITY_FLAGS.CLIPPABLE) ? 255 : 0;
+        const clippableFlag = !!(flags & ENTITY_FLAGS.CLIPPABLE) ? 1 : 0;
 
         let vertFlag = 0;
         vertFlag |= colorFlag;
@@ -80701,8 +80696,7 @@ class DTXTrianglesLayer {
                 worldPos[2] = positions[i + 2];
                 worldPos[3] = 1.0;
                 math.decompressPosition(worldPos, positionsDecodeMatrix);
-                math.transformPoint4(this.model.worldMatrix, worldPos, worldPos);
-                math.transformPoint4(this.model.worldMatrix, worldPos, worldPos);
+                math.mulMat4v4(this.model.worldMatrix, worldPos, worldPos);
                 worldPos[0] += offsetX;
                 worldPos[1] += offsetY;
                 worldPos[2] += offsetZ;
@@ -89878,6 +89872,8 @@ const WAITING_FOR_TARGET_LONG_TOUCH_END = 5;
 
 const TOUCH_CANCELING = 7;
 
+const tmpVec2 = math.vec2();
+
 /**
  * Creates {@link DistanceMeasurement}s from touch input.
  *
@@ -90024,6 +90020,19 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
             this._touchState = WAITING_FOR_ORIGIN_TOUCH_START;
         };
 
+        const copyCanvasPos = (event, dst) => {
+            dst[0] = event.clientX;
+            dst[1] = event.clientY;
+            transformToNode(canvas.ownerDocument.documentElement, canvas, dst);
+            return dst;
+        };
+
+        const toBodyPos = (pos, dst) => {
+            dst.set(pos);
+            transformToNode(canvas, canvas.ownerDocument.documentElement, dst);
+            return dst;
+        };
+
         canvas.addEventListener("touchstart", this._onCanvasTouchStart = (event) => {
 
             const currentNumTouches = event.touches.length;
@@ -90037,16 +90046,8 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
             }
 
             const touch = event.touches[0];
-
-            // Get the canvas's bounding rectangle
-            const rect = canvas.getBoundingClientRect();
-
-            // Calculate the touch position relative to the canvas
-            const touchX = touch.clientX - rect.left;
-            const touchY = touch.clientY - rect.top;
-
-            touchStartCanvasPos.set([touchX, touchY]);
-            touchMoveCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchStartCanvasPos);
+            touchMoveCanvasPos.set(touchStartCanvasPos);
 
             switch (this._touchState) {
 
@@ -90062,7 +90063,7 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                     });
                     if (snapPickResult && snapPickResult.snapped) {
                         pointerWorldPos.set(snapPickResult.worldPos);
-                        this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                        this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2));
                     } else {
                         const pickResult = scene.pick({
                             canvasPos: touchMoveCanvasPos,
@@ -90070,7 +90071,7 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                         });
                         if (pickResult && pickResult.worldPos) {
                             pointerWorldPos.set(pickResult.worldPos);
-                            this.pointerCircle.start(pickResult.canvasPos);
+                            this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2));
                         } else {
                             return;
                         }
@@ -90174,7 +90175,7 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                                     this.pointerLens.cursorPos = snapPickResult.snappedCanvasPos;
                                     this.pointerLens.snapped = true;
                                 }
-                                this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                                this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2));
                                 pointerWorldPos.set(snapPickResult.worldPos);
                                 this._currentDistanceMeasurement.target.worldPos = snapPickResult.worldPos;
                                 this._currentDistanceMeasurement.target.entity = snapPickResult.entity;
@@ -90192,7 +90193,7 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                                         this.pointerLens.cursorPos = pickResult.canvasPos;
                                         this.pointerLens.snapped = false;
                                     }
-                                    this.pointerCircle.start(pickResult.canvasPos);
+                                    this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2));
                                     pointerWorldPos.set(pickResult.worldPos);
                                     this._currentDistanceMeasurement.target.worldPos = pickResult.worldPos;
                                     this._currentDistanceMeasurement.target.entity = pickResult.entity;
@@ -90251,19 +90252,11 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
             }
 
             const touch = event.touches[0];
-
-            // Get the canvas's bounding rectangle
-            const rect = canvas.getBoundingClientRect();
-
-            // Calculate the touch position relative to the canvas
-            const touchX = touch.clientX - rect.left;
-            const touchY = touch.clientY - rect.top;
-            
             if (touch.identifier !== touchId) {
                 return;
             }
 
-            touchMoveCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchMoveCanvasPos);
 
             let snapPickResult;
             let pickResult;
@@ -90425,14 +90418,6 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
             }
 
             const touch = event.changedTouches[0];
-
-            // Get the canvas's bounding rectangle
-            const rect = canvas.getBoundingClientRect();
-
-            // Calculate the touch position relative to the canvas
-            const touchX = touch.clientX - rect.left;
-            const touchY = touch.clientY - rect.top;
-
             if (touch.identifier !== touchId) {
                 return;
             }
@@ -90442,7 +90427,10 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                 longTouchTimeout = null;
             }
 
-            touchEndCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchEndCanvasPos);
+
+            const touchX = touchEndCanvasPos[0];
+            const touchY = touchEndCanvasPos[1];
 
             switch (this._touchState) {
 
@@ -120991,8 +120979,10 @@ class Control {
                 isObject: false
             }), NO_STATE_INHERIT);
 
+            const localToWorldVec = (localVec, worldVec) => math.vec3ApplyQuaternion(rootNode.quaternion, localVec, worldVec);
+
             const closestPointOnAxis = (function() {
-                const worldAxis = math.vec4();
+                const worldAxis = math.vec3();
                 const org = math.vec3();
                 const dir = math.vec3();
                 return (canvasPos, dst) => {
@@ -121027,22 +121017,39 @@ class Control {
                         if (closestPointOnAxis(canvasPos, tempVec3)) {
                             math.subVec3(tempVec3, initOffset, tempVec3);
                             setPos(tempVec3);
-                            if (self._sectionPlane) {
-                                self._sectionPlane.pos = tempVec3;
+                            if (this._sectionPlane) {
+                                this._sectionPlane.pos = tempVec3;
                             }
                         }
                     });
                 }
             };
 
-            const lastCanvasPos = math.vec2();
             handlers[rotateHandle.id] = {
                 setActivated: a => hoop.visible = a,
                 initDragAction: (initCanvasPos) => {
-                    lastCanvasPos.set(initCanvasPos);
+                    const rotationFromCanvasPos = (function() {
+                        const planeCanvasPos = camera.projectWorldPos(pos);
+                        localToWorldVec(rgb, tempVec3);
+                        math.transformVec3(camera.normalMatrix, tempVec3, tempVec3);
+                        const axisCoeff = Math.sign(tempVec3[2]);
+                        return (canvasPos) => {
+                            const dx = canvasPos[0] - planeCanvasPos[0];
+                            const dy = canvasPos[1] - planeCanvasPos[1];
+                            return axisCoeff * Math.atan2(-dy, dx);
+                        };
+                    })();
+
+                    let lastRotation = rotationFromCanvasPos(initCanvasPos);
+
                     return canvasPos => {
-                        dragRotateSectionPlane(rgb, lastCanvasPos, canvasPos);
-                        lastCanvasPos.set(canvasPos);
+                        const rotation = rotationFromCanvasPos(canvasPos);
+                        rootNode.rotate(rgb, (rotation - lastRotation) * 180 / Math.PI);
+                        if (this._sectionPlane) {
+                            ignoreNextSectionPlaneDirUpdate = true;
+                            this._sectionPlane.dir = math.vec3ApplyQuaternion(rootNode.quaternion, [0, 0, 1], tempVec3);
+                        }
+                        lastRotation = rotation;
                     };
                 }
             };
@@ -121178,101 +121185,6 @@ class Control {
             cleanups.push(() => scene.off(onSceneTick));
         }
 
-        const localToWorldVec = (function () {
-            const mat = math.mat4();
-            return function (localVec, worldVec) {
-                math.quaternionToMat4(rootNode.quaternion, mat);
-                math.transformVec3(mat, localVec, worldVec);
-                math.normalizeVec3(worldVec);
-                return worldVec;
-            };
-        })();
-
-        const getTranslationPlane = (worldAxis, planeNormal) => {
-            const absX = Math.abs(worldAxis[0]);
-            if (absX > Math.abs(worldAxis[1]) && absX > Math.abs(worldAxis[2])) {
-                math.cross3Vec3(worldAxis, [0, 1, 0], planeNormal);
-            } else {
-                math.cross3Vec3(worldAxis, [1, 0, 0], planeNormal);
-            }
-            math.cross3Vec3(planeNormal, worldAxis, planeNormal);
-            math.normalizeVec3(planeNormal);
-        };
-
-        const self = this;
-        var dragRotateSectionPlane = (function () {
-            const p1 = math.vec4();
-            const p2 = math.vec4();
-            const c = math.vec4();
-            const worldAxis = math.vec4();
-            const dir = math.vec3();
-            const mat = math.mat4();
-            const planeNormal = math.vec3();
-            return function (baseAxis, fromMouse, toMouse) {
-                localToWorldVec(baseAxis, worldAxis);
-                const hasData = getPointerPlaneIntersect(fromMouse, worldAxis, p1) && getPointerPlaneIntersect(toMouse, worldAxis, p2);
-                if (!hasData) { // Find intersections with view plane and project down to origin
-                    getTranslationPlane(worldAxis, planeNormal);
-                    getPointerPlaneIntersect(fromMouse, planeNormal, p1, 1); // Ensure plane moves closer to camera so angles become workable
-                    getPointerPlaneIntersect(toMouse, planeNormal, p2, 1);
-                    var dot = math.dotVec3(p1, worldAxis);
-                    p1[0] -= dot * worldAxis[0];
-                    p1[1] -= dot * worldAxis[1];
-                    p1[2] -= dot * worldAxis[2];
-                    dot = math.dotVec3(p2, worldAxis);
-                    p2[0] -= dot * worldAxis[0];
-                    p2[1] -= dot * worldAxis[1];
-                    p2[2] -= dot * worldAxis[2];
-                }
-                math.normalizeVec3(p1);
-                math.normalizeVec3(p2);
-                dot = math.dotVec3(p1, p2);
-                dot = math.clamp(dot, -1.0, 1.0); // Rounding errors cause dot to exceed allowed range
-                var incDegrees = Math.acos(dot) * math.RADTODEG;
-                math.cross3Vec3(p1, p2, c);
-                if (math.dotVec3(c, worldAxis) < 0.0) {
-                    incDegrees = -incDegrees;
-                }
-                rootNode.rotate(baseAxis, incDegrees);
-
-                if (self._sectionPlane) {
-                    math.quaternionToMat4(rootNode.quaternion, mat);  // << ---
-                    math.transformVec3(mat, [0, 0, 1], dir);
-                    ignoreNextSectionPlaneDirUpdate = true;
-                    self._sectionPlane.dir = dir;
-                }
-            };
-        })();
-
-        var getPointerPlaneIntersect = (function () {
-            const dir = math.vec4([0, 0, 0, 1]);
-            const matrix = math.mat4();
-            return function (mouse, axis, dest, offset) {
-                offset = offset || 0;
-                dir[0] = mouse[0] / canvas.width * 2.0 - 1.0;
-                dir[1] = -(mouse[1] / canvas.height * 2.0 - 1.0);
-                dir[2] = 0.0;
-                dir[3] = 1.0;
-                math.mulMat4(camera.projMatrix, camera.viewMatrix, matrix); // Unproject norm device coords to view coords
-                math.inverseMat4(matrix);
-                math.transformVec4(matrix, dir, dir);
-                math.mulVec4Scalar(dir, 1.0 / dir[3]); // This is now point A on the ray in world space
-                var rayO = camera.eye; // The direction
-                math.subVec4(dir, rayO, dir);
-                const origin = self._sectionPlane.pos; // Plane origin:
-                var d = -math.dotVec3(origin, axis) - offset;
-                var dot = math.dotVec3(axis, dir);
-                if (Math.abs(dot) > 0.005) {
-                    var t = -(math.dotVec3(axis, rayO) + d) / dot;
-                    math.mulVec3Scalar(dir, t, dest);
-                    math.addVec3(dest, rayO);
-                    math.subVec3(dest, origin, dest);
-                    return true;
-                }
-                return false;
-            };
-        })();
-
         {
             let deactivateActive = null;
             let currentDrag = null;
@@ -126055,6 +125967,8 @@ class TreeViewPlugin extends Plugin {
      * @param {RenderService} [cfg.renderService] Optional {@link RenderService} to use. Defaults to the {@link TreeViewPlugin}'s default {@link RenderService}.
      * @param {Boolean} [cfg.showIndeterminate=false] When true, will show indeterminate state for checkboxes when some but not all child nodes are checked
      * @param {Boolean} [cfg.showProjectNode=false] When true, will show top level project node when hierarchy is set to "storeys"
+     * @param {Function} [cfg.elevationSortFunction] Optional function to replace the default elevation sort function. The function should take two nodes and return -1, 0 or 1. 
+     * @param {Function} [cfg.defaultSortFunction] Optional function to replace the default sort function. The function should take two nodes and return -1, 0 or 1.
      */
     constructor(viewer, cfg = {}) {
 
@@ -126108,6 +126022,8 @@ class TreeViewPlugin extends Plugin {
         this._renderService = cfg.renderService || new RenderService();
         this._showIndeterminate = cfg.showIndeterminate ?? false;
         this._showProjectNode = cfg.showProjectNode ?? false;
+        this._elevationSortFunction = cfg.elevationSortFunction ?? undefined;
+        this._defaultSortFunction = cfg.defaultSortFunction ?? undefined;
 
         if (!this._renderService) {
             throw new Error('TreeViewPlugin: no render service set');
@@ -126921,9 +126837,11 @@ class TreeViewPlugin extends Plugin {
         }
         const firstChild = children[0];
         if ((this._hierarchy === "storeys" || this._hierarchy === "containment") &&  firstChild.type === "IfcBuildingStorey") {
-            children.sort(this._getSpatialSortFunc());
+            if (this._elevationSortFunction) children.sort(this._elevationSortFunction);
+            else children.sort(this._getSpatialSortFunc());
         } else {
-            children.sort(this._alphaSortFunc);
+            if (this._defaultSortFunction) children.sort(this._defaultSortFunction);
+            else children.sort(this._alphaSortFunc);
         }
         for (let i = 0, len = children.length; i < len; i++) {
             const node = children[i];
diff --git a/dist/xeokit-sdk.es.js b/dist/xeokit-sdk.es.js
index f48f3fe92..5f4d2a0ba 100644
--- a/dist/xeokit-sdk.es.js
+++ b/dist/xeokit-sdk.es.js
@@ -1055,13 +1055,10 @@ class PointerLens {
         this.scene = this.viewer.scene;
 
         this._lensCursorDiv = document.createElement('div');
-        this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv, this.viewer.scene.canvas.canvas);
-        this._lensCursorDiv.style.background = "pink";
-        this._lensCursorDiv.style.border = "2px solid red";
-        this._lensCursorDiv.style.borderRadius = "20px";
-        this._lensCursorDiv.style.width = "10px";
-        this._lensCursorDiv.style.height = "10px";
-        this._lensCursorDiv.style.margin = "-200px -200px";
+        this._lensParams = { canvasSize: 300, cursorBorder: 2, cursorSize: 10 };
+        this._lensCursorDiv.style.borderRadius = "50%";
+        this._lensCursorDiv.style.width  = this._lensParams.cursorSize + "px";
+        this._lensCursorDiv.style.height = this._lensParams.cursorSize + "px";
         this._lensCursorDiv.style.zIndex = "100000";
         this._lensCursorDiv.style.position = "absolute";
         this._lensCursorDiv.style.pointerEvents = "none";
@@ -1074,8 +1071,8 @@ class PointerLens {
         this._lensContainer.style.background = "white";
     //    this._lensContainer.style.opacity = "0";
         this._lensContainer.style.borderRadius = "50%";
-        this._lensContainer.style.width = "300px";
-        this._lensContainer.style.height = "300px";
+        this._lensContainer.style.width  = this._lensParams.canvasSize + "px";
+        this._lensContainer.style.height = this._lensParams.canvasSize + "px";
         
         this._lensContainer.style.zIndex = "15000";
         this._lensContainer.style.position = "absolute";
@@ -1087,13 +1084,14 @@ class PointerLens {
         // this._lensCanvas.style.background = "darkblue";
         this._lensCanvas.style.borderRadius = "50%";
 
-        this._lensCanvas.style.width = "300px";
-        this._lensCanvas.style.height = "300px";
+        this._lensCanvas.style.width  = this._lensParams.canvasSize + "px";
+        this._lensCanvas.style.height = this._lensParams.canvasSize + "px";
         this._lensCanvas.style.zIndex = "15000";
         this._lensCanvas.style.pointerEvents = "none";
 
         document.body.appendChild(this._lensContainer);
         this._lensContainer.appendChild(this._lensCanvas);
+        this._lensContainer.appendChild(this._lensCursorDiv);
 
         this._lensCanvasContext = this._lensCanvas.getContext('2d');
         this._canvasElement = this.viewer.scene.canvas.canvas;
@@ -1111,7 +1109,7 @@ class PointerLens {
 
         this._active = (cfg.active !== false);
         this._visible = false;
-        this._snapped = false;
+        this.snapped = false;
 
         this._onViewerRendering = this.viewer.scene.on("rendering", () => {
             if (this._active && this._visible) {
@@ -1158,21 +1156,13 @@ class PointerLens {
             this._lensCanvas.height // destination height
         );
 
-        const centerLensCanvas = [
-            (lensRect.left + lensRect.right) / 2 - canvasRect.left,
-            (lensRect.top + lensRect.bottom) / 2 - canvasRect.top
-        ];
+        const middle = this._lensParams.canvasSize / 2 - this._lensParams.cursorSize / 2 - this._lensParams.cursorBorder;
 
-        if (this._snappedCanvasPos) {
-            const deltaX = this._snappedCanvasPos[0] - this._canvasPos[0];
-            const deltaY = this._snappedCanvasPos[1] - this._canvasPos[1];
+        const deltaX = this._snappedCanvasPos ? (this._snappedCanvasPos[0] - this._canvasPos[0]) : 0;
+        const deltaY = this._snappedCanvasPos ? (this._snappedCanvasPos[1] - this._canvasPos[1]) : 0;
 
-            this._lensCursorDiv.style.marginLeft = `${centerLensCanvas[0] + deltaX * this._zoomLevel - 10}px`;
-            this._lensCursorDiv.style.marginTop = `${centerLensCanvas[1] + deltaY * this._zoomLevel - 10}px`;
-        } else {
-            this._lensCursorDiv.style.marginLeft = `${centerLensCanvas[0] - 10}px`;
-            this._lensCursorDiv.style.marginTop = `${centerLensCanvas[1] - 10}px`;
-        }
+        this._lensCursorDiv.style.left = `${middle + deltaX * this._zoomLevel}px`;
+        this._lensCursorDiv.style.top  = `${middle + deltaY * this._zoomLevel}px`;
     }
 
 
@@ -1240,14 +1230,10 @@ class PointerLens {
      * @private
      */
     set snapped(snapped) {
-     this._snapped = snapped;
-        if (snapped) {
-            this._lensCursorDiv.style.background = "greenyellow";
-            this._lensCursorDiv.style.border = "2px solid green";
-        } else {
-            this._lensCursorDiv.style.background = "pink";
-            this._lensCursorDiv.style.border = "2px solid red";
-        }
+        this._snapped = snapped;
+        const [ bg, border ] = snapped ? [ "greenyellow", "green" ] : [ "pink", "red" ];
+        this._lensCursorDiv.style.background = bg;
+        this._lensCursorDiv.style.border = this._lensParams.cursorBorder + "px solid " + border;
     }
 
     /**
@@ -1259,19 +1245,19 @@ class PointerLens {
     get snapped() {
         return this._snapped;
     }
-    
+
+    _updateActiveVisible() {
+        this._lensContainer.style.visibility = (this._active && this._visible) ? "visible" : "hidden";
+        this.update();
+    }
+
     /**
      * Sets if this PointerLens is active.
      * @param active
      */
     set active(active) {
         this._active = active;
-        this._lensContainer.style.visibility = (active && this._visible) ? "visible" : "hidden";
-        if (!active || !this._visible ) {
-            this._lensCursorDiv.style.marginLeft = `-100px`;
-            this._lensCursorDiv.style.marginTop = `-100px`;
-        }
-        this.update();
+        this._updateActiveVisible();
     }
 
     /**
@@ -1290,12 +1276,7 @@ class PointerLens {
      */
     set visible(visible) {
         this._visible = visible;
-        this._lensContainer.style.visibility = (visible && this._active) ? "visible" : "hidden";
-        if (!visible || !this._active) {
-            this._lensCursorDiv.style.marginLeft = `-100px`;
-            this._lensCursorDiv.style.marginTop = `-100px`;
-        }
-        this.update();
+        this._updateActiveVisible();
     }
 
     /**
@@ -9586,7 +9567,8 @@ const os = {
     }
 };
 
-function addContextMenuListener(elem, callback) {
+//failCallback will be called when the press is not long enough to considered a long press
+function addContextMenuListener(elem, callback, failCallback = () => {}) {
     if (!elem || !callback) return;
 
     let timeout = null;
@@ -9640,6 +9622,7 @@ function addContextMenuListener(elem, callback) {
     const touchEndHandler = (event) => {
         event.preventDefault();
         if (timeout) {
+            failCallback(event);
             clearTimeout(timeout);
             timeout = null;
         }
@@ -13781,6 +13764,8 @@ const WAITING_FOR_TARGET_LONG_TOUCH_END$1 = 8;
 
 const TOUCH_CANCELING$1 = 7;
 
+const tmpVec2$1 = math.vec2();
+
 /**
  * Creates {@link AngleMeasurement}s from touch input.
  *
@@ -13919,6 +13904,19 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
             this._touchState = WAITING_FOR_ORIGIN_TOUCH_START$1;
         };
 
+        const copyCanvasPos = (event, dst) => {
+            dst[0] = event.clientX;
+            dst[1] = event.clientY;
+            transformToNode(canvas.ownerDocument.documentElement, canvas, dst);
+            return dst;
+        };
+
+        const toBodyPos = (pos, dst) => {
+            dst.set(pos);
+            transformToNode(canvas, canvas.ownerDocument.documentElement, dst);
+            return dst;
+        };
+
         canvas.addEventListener("touchstart", this._onCanvasTouchStart = (event) => {
 
             const currentNumTouches = event.touches.length;
@@ -13932,11 +13930,8 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
             }
 
             const touch = event.touches[0];
-            const touchX = touch.clientX;
-            const touchY = touch.clientY;
-
-            touchStartCanvasPos.set([touchX, touchY]);
-            touchMoveCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchStartCanvasPos);
+            touchMoveCanvasPos.set(touchStartCanvasPos);
 
             switch (this._touchState) {
 
@@ -13952,7 +13947,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                     });
                     if (snapPickResult && snapPickResult.snapped) {
                         pointerWorldPos.set(snapPickResult.worldPos);
-                        this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                        this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2$1));
                     } else {
                         const pickResult = scene.pick({
                             canvasPos: touchMoveCanvasPos,
@@ -13960,7 +13955,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                         });
                         if (pickResult && pickResult.worldPos) {
                             pointerWorldPos.set(pickResult.worldPos);
-                            this.pointerCircle.start(pickResult.canvasPos);
+                            this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2$1));
                         } else {
                             return;
                         }
@@ -14067,7 +14062,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                                     this.pointerLens.cursorPos = snapPickResult.snappedCanvasPos;
                                     this.pointerLens.snapped = true;
                                 }
-                                this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                                this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2$1));
                                 pointerWorldPos.set(snapPickResult.worldPos);
                                 this._currentAngleMeasurement.corner.worldPos = snapPickResult.worldPos;
                                 this._currentAngleMeasurement.corner.entity = snapPickResult.entity;
@@ -14089,7 +14084,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                                         this.pointerLens.cursorPos = pickResult.canvasPos;
                                         this.pointerLens.snapped = false;
                                     }
-                                    this.pointerCircle.start(pickResult.canvasPos);
+                                    this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2$1));
                                     pointerWorldPos.set(pickResult.worldPos);
                                     this._currentAngleMeasurement.corner.worldPos = pickResult.worldPos;
                                     this._currentAngleMeasurement.corner.entity = pickResult.entity;
@@ -14160,7 +14155,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                                     this.pointerLens.cursorPos = snapPickResult.snappedCanvasPos;
                                     this.pointerLens.snapped = true;
                                 }
-                                this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                                this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2$1));
                                 pointerWorldPos.set(snapPickResult.worldPos);
                                 this._currentAngleMeasurement.target.worldPos = snapPickResult.worldPos;
                                 this._currentAngleMeasurement.target.entity = snapPickResult.entity;
@@ -14182,7 +14177,7 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                                         this.pointerLens.cursorPos = pickResult.canvasPos;
                                         this.pointerLens.snapped = false;
                                     }
-                                    this.pointerCircle.start(pickResult.canvasPos);
+                                    this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2$1));
                                     pointerWorldPos.set(pickResult.worldPos);
                                     this._currentAngleMeasurement.target.worldPos = pickResult.worldPos;
                                     this._currentAngleMeasurement.target.entity = pickResult.entity;
@@ -14246,14 +14241,11 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
             }
 
             const touch = event.touches[0];
-            const touchX = touch.clientX;
-            const touchY = touch.clientY;
-
             if (touch.identifier !== touchId) {
                 return;
             }
 
-            touchMoveCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchMoveCanvasPos);
 
             let snapPickResult;
             let pickResult;
@@ -14423,9 +14415,6 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
             }
 
             const touch = event.changedTouches[0];
-            const touchX = touch.clientX;
-            const touchY = touch.clientY;
-
             if (touch.identifier !== touchId) {
                 return;
             }
@@ -14435,7 +14424,10 @@ class AngleMeasurementsTouchControl extends AngleMeasurementsControl {
                 longTouchTimeout = null;
             }
 
-            touchEndCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchEndCanvasPos);
+
+            const touchX = touchEndCanvasPos[0];
+            const touchY = touchEndCanvasPos[1];
 
             switch (this._touchState) {
 
@@ -14916,6 +14908,9 @@ class Annotation extends Marker {
             addContextMenuListener(this._marker, e => {
                 e.preventDefault();
                 this.plugin.fire("contextmenu", this);
+            }, e => {
+                e.preventDefault();
+                this.plugin.fire("markerClicked", this);
             });
             this._marker.addEventListener("mouseenter", () => {
                 this.plugin.fire("markerMouseEnter", this);
@@ -66120,7 +66115,7 @@ class VBOInstancingLinesLayer {
 
         let pickFlag = (visible && !culled && pickable) ? RENDER_PASSES.PICK : RENDER_PASSES.NOT_RENDERED;
 
-        const clippableFlag = !!(flags & ENTITY_FLAGS.CLIPPABLE) ? 255 : 0;
+        const clippableFlag = !!(flags & ENTITY_FLAGS.CLIPPABLE) ? 1 : 0;
 
         let vertFlag = 0;
         vertFlag |= colorFlag;
@@ -80697,8 +80692,7 @@ class DTXTrianglesLayer {
                 worldPos[2] = positions[i + 2];
                 worldPos[3] = 1.0;
                 math.decompressPosition(worldPos, positionsDecodeMatrix);
-                math.transformPoint4(this.model.worldMatrix, worldPos, worldPos);
-                math.transformPoint4(this.model.worldMatrix, worldPos, worldPos);
+                math.mulMat4v4(this.model.worldMatrix, worldPos, worldPos);
                 worldPos[0] += offsetX;
                 worldPos[1] += offsetY;
                 worldPos[2] += offsetZ;
@@ -89874,6 +89868,8 @@ const WAITING_FOR_TARGET_LONG_TOUCH_END = 5;
 
 const TOUCH_CANCELING = 7;
 
+const tmpVec2 = math.vec2();
+
 /**
  * Creates {@link DistanceMeasurement}s from touch input.
  *
@@ -90020,6 +90016,19 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
             this._touchState = WAITING_FOR_ORIGIN_TOUCH_START;
         };
 
+        const copyCanvasPos = (event, dst) => {
+            dst[0] = event.clientX;
+            dst[1] = event.clientY;
+            transformToNode(canvas.ownerDocument.documentElement, canvas, dst);
+            return dst;
+        };
+
+        const toBodyPos = (pos, dst) => {
+            dst.set(pos);
+            transformToNode(canvas, canvas.ownerDocument.documentElement, dst);
+            return dst;
+        };
+
         canvas.addEventListener("touchstart", this._onCanvasTouchStart = (event) => {
 
             const currentNumTouches = event.touches.length;
@@ -90033,16 +90042,8 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
             }
 
             const touch = event.touches[0];
-
-            // Get the canvas's bounding rectangle
-            const rect = canvas.getBoundingClientRect();
-
-            // Calculate the touch position relative to the canvas
-            const touchX = touch.clientX - rect.left;
-            const touchY = touch.clientY - rect.top;
-
-            touchStartCanvasPos.set([touchX, touchY]);
-            touchMoveCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchStartCanvasPos);
+            touchMoveCanvasPos.set(touchStartCanvasPos);
 
             switch (this._touchState) {
 
@@ -90058,7 +90059,7 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                     });
                     if (snapPickResult && snapPickResult.snapped) {
                         pointerWorldPos.set(snapPickResult.worldPos);
-                        this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                        this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2));
                     } else {
                         const pickResult = scene.pick({
                             canvasPos: touchMoveCanvasPos,
@@ -90066,7 +90067,7 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                         });
                         if (pickResult && pickResult.worldPos) {
                             pointerWorldPos.set(pickResult.worldPos);
-                            this.pointerCircle.start(pickResult.canvasPos);
+                            this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2));
                         } else {
                             return;
                         }
@@ -90170,7 +90171,7 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                                     this.pointerLens.cursorPos = snapPickResult.snappedCanvasPos;
                                     this.pointerLens.snapped = true;
                                 }
-                                this.pointerCircle.start(snapPickResult.snappedCanvasPos);
+                                this.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos, tmpVec2));
                                 pointerWorldPos.set(snapPickResult.worldPos);
                                 this._currentDistanceMeasurement.target.worldPos = snapPickResult.worldPos;
                                 this._currentDistanceMeasurement.target.entity = snapPickResult.entity;
@@ -90188,7 +90189,7 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                                         this.pointerLens.cursorPos = pickResult.canvasPos;
                                         this.pointerLens.snapped = false;
                                     }
-                                    this.pointerCircle.start(pickResult.canvasPos);
+                                    this.pointerCircle.start(toBodyPos(pickResult.canvasPos, tmpVec2));
                                     pointerWorldPos.set(pickResult.worldPos);
                                     this._currentDistanceMeasurement.target.worldPos = pickResult.worldPos;
                                     this._currentDistanceMeasurement.target.entity = pickResult.entity;
@@ -90247,19 +90248,11 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
             }
 
             const touch = event.touches[0];
-
-            // Get the canvas's bounding rectangle
-            const rect = canvas.getBoundingClientRect();
-
-            // Calculate the touch position relative to the canvas
-            const touchX = touch.clientX - rect.left;
-            const touchY = touch.clientY - rect.top;
-            
             if (touch.identifier !== touchId) {
                 return;
             }
 
-            touchMoveCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchMoveCanvasPos);
 
             let snapPickResult;
             let pickResult;
@@ -90421,14 +90414,6 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
             }
 
             const touch = event.changedTouches[0];
-
-            // Get the canvas's bounding rectangle
-            const rect = canvas.getBoundingClientRect();
-
-            // Calculate the touch position relative to the canvas
-            const touchX = touch.clientX - rect.left;
-            const touchY = touch.clientY - rect.top;
-
             if (touch.identifier !== touchId) {
                 return;
             }
@@ -90438,7 +90423,10 @@ class DistanceMeasurementsTouchControl extends DistanceMeasurementsControl {
                 longTouchTimeout = null;
             }
 
-            touchEndCanvasPos.set([touchX, touchY]);
+            copyCanvasPos(touch, touchEndCanvasPos);
+
+            const touchX = touchEndCanvasPos[0];
+            const touchY = touchEndCanvasPos[1];
 
             switch (this._touchState) {
 
@@ -120987,8 +120975,10 @@ class Control {
                 isObject: false
             }), NO_STATE_INHERIT);
 
+            const localToWorldVec = (localVec, worldVec) => math.vec3ApplyQuaternion(rootNode.quaternion, localVec, worldVec);
+
             const closestPointOnAxis = (function() {
-                const worldAxis = math.vec4();
+                const worldAxis = math.vec3();
                 const org = math.vec3();
                 const dir = math.vec3();
                 return (canvasPos, dst) => {
@@ -121023,22 +121013,39 @@ class Control {
                         if (closestPointOnAxis(canvasPos, tempVec3)) {
                             math.subVec3(tempVec3, initOffset, tempVec3);
                             setPos(tempVec3);
-                            if (self._sectionPlane) {
-                                self._sectionPlane.pos = tempVec3;
+                            if (this._sectionPlane) {
+                                this._sectionPlane.pos = tempVec3;
                             }
                         }
                     });
                 }
             };
 
-            const lastCanvasPos = math.vec2();
             handlers[rotateHandle.id] = {
                 setActivated: a => hoop.visible = a,
                 initDragAction: (initCanvasPos) => {
-                    lastCanvasPos.set(initCanvasPos);
+                    const rotationFromCanvasPos = (function() {
+                        const planeCanvasPos = camera.projectWorldPos(pos);
+                        localToWorldVec(rgb, tempVec3);
+                        math.transformVec3(camera.normalMatrix, tempVec3, tempVec3);
+                        const axisCoeff = Math.sign(tempVec3[2]);
+                        return (canvasPos) => {
+                            const dx = canvasPos[0] - planeCanvasPos[0];
+                            const dy = canvasPos[1] - planeCanvasPos[1];
+                            return axisCoeff * Math.atan2(-dy, dx);
+                        };
+                    })();
+
+                    let lastRotation = rotationFromCanvasPos(initCanvasPos);
+
                     return canvasPos => {
-                        dragRotateSectionPlane(rgb, lastCanvasPos, canvasPos);
-                        lastCanvasPos.set(canvasPos);
+                        const rotation = rotationFromCanvasPos(canvasPos);
+                        rootNode.rotate(rgb, (rotation - lastRotation) * 180 / Math.PI);
+                        if (this._sectionPlane) {
+                            ignoreNextSectionPlaneDirUpdate = true;
+                            this._sectionPlane.dir = math.vec3ApplyQuaternion(rootNode.quaternion, [0, 0, 1], tempVec3);
+                        }
+                        lastRotation = rotation;
                     };
                 }
             };
@@ -121174,101 +121181,6 @@ class Control {
             cleanups.push(() => scene.off(onSceneTick));
         }
 
-        const localToWorldVec = (function () {
-            const mat = math.mat4();
-            return function (localVec, worldVec) {
-                math.quaternionToMat4(rootNode.quaternion, mat);
-                math.transformVec3(mat, localVec, worldVec);
-                math.normalizeVec3(worldVec);
-                return worldVec;
-            };
-        })();
-
-        const getTranslationPlane = (worldAxis, planeNormal) => {
-            const absX = Math.abs(worldAxis[0]);
-            if (absX > Math.abs(worldAxis[1]) && absX > Math.abs(worldAxis[2])) {
-                math.cross3Vec3(worldAxis, [0, 1, 0], planeNormal);
-            } else {
-                math.cross3Vec3(worldAxis, [1, 0, 0], planeNormal);
-            }
-            math.cross3Vec3(planeNormal, worldAxis, planeNormal);
-            math.normalizeVec3(planeNormal);
-        };
-
-        const self = this;
-        var dragRotateSectionPlane = (function () {
-            const p1 = math.vec4();
-            const p2 = math.vec4();
-            const c = math.vec4();
-            const worldAxis = math.vec4();
-            const dir = math.vec3();
-            const mat = math.mat4();
-            const planeNormal = math.vec3();
-            return function (baseAxis, fromMouse, toMouse) {
-                localToWorldVec(baseAxis, worldAxis);
-                const hasData = getPointerPlaneIntersect(fromMouse, worldAxis, p1) && getPointerPlaneIntersect(toMouse, worldAxis, p2);
-                if (!hasData) { // Find intersections with view plane and project down to origin
-                    getTranslationPlane(worldAxis, planeNormal);
-                    getPointerPlaneIntersect(fromMouse, planeNormal, p1, 1); // Ensure plane moves closer to camera so angles become workable
-                    getPointerPlaneIntersect(toMouse, planeNormal, p2, 1);
-                    var dot = math.dotVec3(p1, worldAxis);
-                    p1[0] -= dot * worldAxis[0];
-                    p1[1] -= dot * worldAxis[1];
-                    p1[2] -= dot * worldAxis[2];
-                    dot = math.dotVec3(p2, worldAxis);
-                    p2[0] -= dot * worldAxis[0];
-                    p2[1] -= dot * worldAxis[1];
-                    p2[2] -= dot * worldAxis[2];
-                }
-                math.normalizeVec3(p1);
-                math.normalizeVec3(p2);
-                dot = math.dotVec3(p1, p2);
-                dot = math.clamp(dot, -1.0, 1.0); // Rounding errors cause dot to exceed allowed range
-                var incDegrees = Math.acos(dot) * math.RADTODEG;
-                math.cross3Vec3(p1, p2, c);
-                if (math.dotVec3(c, worldAxis) < 0.0) {
-                    incDegrees = -incDegrees;
-                }
-                rootNode.rotate(baseAxis, incDegrees);
-
-                if (self._sectionPlane) {
-                    math.quaternionToMat4(rootNode.quaternion, mat);  // << ---
-                    math.transformVec3(mat, [0, 0, 1], dir);
-                    ignoreNextSectionPlaneDirUpdate = true;
-                    self._sectionPlane.dir = dir;
-                }
-            };
-        })();
-
-        var getPointerPlaneIntersect = (function () {
-            const dir = math.vec4([0, 0, 0, 1]);
-            const matrix = math.mat4();
-            return function (mouse, axis, dest, offset) {
-                offset = offset || 0;
-                dir[0] = mouse[0] / canvas.width * 2.0 - 1.0;
-                dir[1] = -(mouse[1] / canvas.height * 2.0 - 1.0);
-                dir[2] = 0.0;
-                dir[3] = 1.0;
-                math.mulMat4(camera.projMatrix, camera.viewMatrix, matrix); // Unproject norm device coords to view coords
-                math.inverseMat4(matrix);
-                math.transformVec4(matrix, dir, dir);
-                math.mulVec4Scalar(dir, 1.0 / dir[3]); // This is now point A on the ray in world space
-                var rayO = camera.eye; // The direction
-                math.subVec4(dir, rayO, dir);
-                const origin = self._sectionPlane.pos; // Plane origin:
-                var d = -math.dotVec3(origin, axis) - offset;
-                var dot = math.dotVec3(axis, dir);
-                if (Math.abs(dot) > 0.005) {
-                    var t = -(math.dotVec3(axis, rayO) + d) / dot;
-                    math.mulVec3Scalar(dir, t, dest);
-                    math.addVec3(dest, rayO);
-                    math.subVec3(dest, origin, dest);
-                    return true;
-                }
-                return false;
-            };
-        })();
-
         {
             let deactivateActive = null;
             let currentDrag = null;
@@ -126051,6 +125963,8 @@ class TreeViewPlugin extends Plugin {
      * @param {RenderService} [cfg.renderService] Optional {@link RenderService} to use. Defaults to the {@link TreeViewPlugin}'s default {@link RenderService}.
      * @param {Boolean} [cfg.showIndeterminate=false] When true, will show indeterminate state for checkboxes when some but not all child nodes are checked
      * @param {Boolean} [cfg.showProjectNode=false] When true, will show top level project node when hierarchy is set to "storeys"
+     * @param {Function} [cfg.elevationSortFunction] Optional function to replace the default elevation sort function. The function should take two nodes and return -1, 0 or 1. 
+     * @param {Function} [cfg.defaultSortFunction] Optional function to replace the default sort function. The function should take two nodes and return -1, 0 or 1.
      */
     constructor(viewer, cfg = {}) {
 
@@ -126104,6 +126018,8 @@ class TreeViewPlugin extends Plugin {
         this._renderService = cfg.renderService || new RenderService();
         this._showIndeterminate = cfg.showIndeterminate ?? false;
         this._showProjectNode = cfg.showProjectNode ?? false;
+        this._elevationSortFunction = cfg.elevationSortFunction ?? undefined;
+        this._defaultSortFunction = cfg.defaultSortFunction ?? undefined;
 
         if (!this._renderService) {
             throw new Error('TreeViewPlugin: no render service set');
@@ -126917,9 +126833,11 @@ class TreeViewPlugin extends Plugin {
         }
         const firstChild = children[0];
         if ((this._hierarchy === "storeys" || this._hierarchy === "containment") &&  firstChild.type === "IfcBuildingStorey") {
-            children.sort(this._getSpatialSortFunc());
+            if (this._elevationSortFunction) children.sort(this._elevationSortFunction);
+            else children.sort(this._getSpatialSortFunc());
         } else {
-            children.sort(this._alphaSortFunc);
+            if (this._defaultSortFunction) children.sort(this._defaultSortFunction);
+            else children.sort(this._alphaSortFunc);
         }
         for (let i = 0, len = children.length; i < len; i++) {
             const node = children[i];
diff --git a/dist/xeokit-sdk.es5.js b/dist/xeokit-sdk.es5.js
index aa54ba6c4..d52d5caaa 100644
--- a/dist/xeokit-sdk.es5.js
+++ b/dist/xeokit-sdk.es5.js
@@ -1,4 +1,4 @@
-var _DEFAULT_SAMPLER;var _marked=/*#__PURE__*/_regeneratorRuntime().mark(makeStringIterator),_marked2=/*#__PURE__*/_regeneratorRuntime().mark(makeArrayBufferIterator),_marked3=/*#__PURE__*/_regeneratorRuntime().mark(makeMeshPrimitiveIterator);function _regeneratorRuntime(){"use strict";/*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */_regeneratorRuntime=function _regeneratorRuntime(){return exports;};var exports={},Op=Object.prototype,hasOwn=Op.hasOwnProperty,$Symbol="function"==typeof Symbol?Symbol:{},iteratorSymbol=$Symbol.iterator||"@@iterator",asyncIteratorSymbol=$Symbol.asyncIterator||"@@asyncIterator",toStringTagSymbol=$Symbol.toStringTag||"@@toStringTag";function define(obj,key,value){return Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}),obj[key];}try{define({},"");}catch(err){define=function define(obj,key,value){return obj[key]=value;};}function wrap(innerFn,outerFn,self,tryLocsList){var protoGenerator=outerFn&&outerFn.prototype instanceof Generator?outerFn:Generator,generator=Object.create(protoGenerator.prototype),context=new Context(tryLocsList||[]);return generator._invoke=function(innerFn,self,context){var state="suspendedStart";return function(method,arg){if("executing"===state)throw new Error("Generator is already running");if("completed"===state){if("throw"===method)throw arg;return doneResult();}for(context.method=method,context.arg=arg;;){var delegate=context.delegate;if(delegate){var delegateResult=maybeInvokeDelegate(delegate,context);if(delegateResult){if(delegateResult===ContinueSentinel)continue;return delegateResult;}}if("next"===context.method)context.sent=context._sent=context.arg;else if("throw"===context.method){if("suspendedStart"===state)throw state="completed",context.arg;context.dispatchException(context.arg);}else"return"===context.method&&context.abrupt("return",context.arg);state="executing";var record=tryCatch(innerFn,self,context);if("normal"===record.type){if(state=context.done?"completed":"suspendedYield",record.arg===ContinueSentinel)continue;return{value:record.arg,done:context.done};}"throw"===record.type&&(state="completed",context.method="throw",context.arg=record.arg);}};}(innerFn,self,context),generator;}function tryCatch(fn,obj,arg){try{return{type:"normal",arg:fn.call(obj,arg)};}catch(err){return{type:"throw",arg:err};}}exports.wrap=wrap;var ContinueSentinel={};function Generator(){}function GeneratorFunction(){}function GeneratorFunctionPrototype(){}var IteratorPrototype={};define(IteratorPrototype,iteratorSymbol,function(){return this;});var getProto=Object.getPrototypeOf,NativeIteratorPrototype=getProto&&getProto(getProto(values([])));NativeIteratorPrototype&&NativeIteratorPrototype!==Op&&hasOwn.call(NativeIteratorPrototype,iteratorSymbol)&&(IteratorPrototype=NativeIteratorPrototype);var Gp=GeneratorFunctionPrototype.prototype=Generator.prototype=Object.create(IteratorPrototype);function defineIteratorMethods(prototype){["next","throw","return"].forEach(function(method){define(prototype,method,function(arg){return this._invoke(method,arg);});});}function AsyncIterator(generator,PromiseImpl){function invoke(method,arg,resolve,reject){var record=tryCatch(generator[method],generator,arg);if("throw"!==record.type){var result=record.arg,value=result.value;return value&&"object"==_typeof(value)&&hasOwn.call(value,"__await")?PromiseImpl.resolve(value.__await).then(function(value){invoke("next",value,resolve,reject);},function(err){invoke("throw",err,resolve,reject);}):PromiseImpl.resolve(value).then(function(unwrapped){result.value=unwrapped,resolve(result);},function(error){return invoke("throw",error,resolve,reject);});}reject(record.arg);}var previousPromise;this._invoke=function(method,arg){function callInvokeWithMethodAndArg(){return new PromiseImpl(function(resolve,reject){invoke(method,arg,resolve,reject);});}return previousPromise=previousPromise?previousPromise.then(callInvokeWithMethodAndArg,callInvokeWithMethodAndArg):callInvokeWithMethodAndArg();};}function maybeInvokeDelegate(delegate,context){var method=delegate.iterator[context.method];if(undefined===method){if(context.delegate=null,"throw"===context.method){if(delegate.iterator["return"]&&(context.method="return",context.arg=undefined,maybeInvokeDelegate(delegate,context),"throw"===context.method))return ContinueSentinel;context.method="throw",context.arg=new TypeError("The iterator does not provide a 'throw' method");}return ContinueSentinel;}var record=tryCatch(method,delegate.iterator,context.arg);if("throw"===record.type)return context.method="throw",context.arg=record.arg,context.delegate=null,ContinueSentinel;var info=record.arg;return info?info.done?(context[delegate.resultName]=info.value,context.next=delegate.nextLoc,"return"!==context.method&&(context.method="next",context.arg=undefined),context.delegate=null,ContinueSentinel):info:(context.method="throw",context.arg=new TypeError("iterator result is not an object"),context.delegate=null,ContinueSentinel);}function pushTryEntry(locs){var entry={tryLoc:locs[0]};1 in locs&&(entry.catchLoc=locs[1]),2 in locs&&(entry.finallyLoc=locs[2],entry.afterLoc=locs[3]),this.tryEntries.push(entry);}function resetTryEntry(entry){var record=entry.completion||{};record.type="normal",delete record.arg,entry.completion=record;}function Context(tryLocsList){this.tryEntries=[{tryLoc:"root"}],tryLocsList.forEach(pushTryEntry,this),this.reset(!0);}function values(iterable){if(iterable){var iteratorMethod=iterable[iteratorSymbol];if(iteratorMethod)return iteratorMethod.call(iterable);if("function"==typeof iterable.next)return iterable;if(!isNaN(iterable.length)){var i=-1,next=function next(){for(;++i<iterable.length;){if(hasOwn.call(iterable,i))return next.value=iterable[i],next.done=!1,next;}return next.value=undefined,next.done=!0,next;};return next.next=next;}}return{next:doneResult};}function doneResult(){return{value:undefined,done:!0};}return GeneratorFunction.prototype=GeneratorFunctionPrototype,define(Gp,"constructor",GeneratorFunctionPrototype),define(GeneratorFunctionPrototype,"constructor",GeneratorFunction),GeneratorFunction.displayName=define(GeneratorFunctionPrototype,toStringTagSymbol,"GeneratorFunction"),exports.isGeneratorFunction=function(genFun){var ctor="function"==typeof genFun&&genFun.constructor;return!!ctor&&(ctor===GeneratorFunction||"GeneratorFunction"===(ctor.displayName||ctor.name));},exports.mark=function(genFun){return Object.setPrototypeOf?Object.setPrototypeOf(genFun,GeneratorFunctionPrototype):(genFun.__proto__=GeneratorFunctionPrototype,define(genFun,toStringTagSymbol,"GeneratorFunction")),genFun.prototype=Object.create(Gp),genFun;},exports.awrap=function(arg){return{__await:arg};},defineIteratorMethods(AsyncIterator.prototype),define(AsyncIterator.prototype,asyncIteratorSymbol,function(){return this;}),exports.AsyncIterator=AsyncIterator,exports.async=function(innerFn,outerFn,self,tryLocsList,PromiseImpl){void 0===PromiseImpl&&(PromiseImpl=Promise);var iter=new AsyncIterator(wrap(innerFn,outerFn,self,tryLocsList),PromiseImpl);return exports.isGeneratorFunction(outerFn)?iter:iter.next().then(function(result){return result.done?result.value:iter.next();});},defineIteratorMethods(Gp),define(Gp,toStringTagSymbol,"Generator"),define(Gp,iteratorSymbol,function(){return this;}),define(Gp,"toString",function(){return"[object Generator]";}),exports.keys=function(object){var keys=[];for(var key in object){keys.push(key);}return keys.reverse(),function next(){for(;keys.length;){var key=keys.pop();if(key in object)return next.value=key,next.done=!1,next;}return next.done=!0,next;};},exports.values=values,Context.prototype={constructor:Context,reset:function 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hasCatch=hasOwn.call(entry,"catchLoc"),hasFinally=hasOwn.call(entry,"finallyLoc");if(hasCatch&&hasFinally){if(this.prev<entry.catchLoc)return handle(entry.catchLoc,!0);if(this.prev<entry.finallyLoc)return handle(entry.finallyLoc);}else if(hasCatch){if(this.prev<entry.catchLoc)return handle(entry.catchLoc,!0);}else{if(!hasFinally)throw new Error("try statement without catch or finally");if(this.prev<entry.finallyLoc)return handle(entry.finallyLoc);}}}},abrupt:function abrupt(type,arg){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.tryLoc<=this.prev&&hasOwn.call(entry,"finallyLoc")&&this.prev<entry.finallyLoc){var finallyEntry=entry;break;}}finallyEntry&&("break"===type||"continue"===type)&&finallyEntry.tryLoc<=arg&&arg<=finallyEntry.finallyLoc&&(finallyEntry=null);var record=finallyEntry?finallyEntry.completion:{};return record.type=type,record.arg=arg,finallyEntry?(this.method="next",this.next=finallyEntry.finallyLoc,ContinueSentinel):this.complete(record);},complete:function complete(record,afterLoc){if("throw"===record.type)throw record.arg;return"break"===record.type||"continue"===record.type?this.next=record.arg:"return"===record.type?(this.rval=this.arg=record.arg,this.method="return",this.next="end"):"normal"===record.type&&afterLoc&&(this.next=afterLoc),ContinueSentinel;},finish:function finish(finallyLoc){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.finallyLoc===finallyLoc)return this.complete(entry.completion,entry.afterLoc),resetTryEntry(entry),ContinueSentinel;}},"catch":function _catch(tryLoc){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.tryLoc===tryLoc){var record=entry.completion;if("throw"===record.type){var thrown=record.arg;resetTryEntry(entry);}return thrown;}}throw new Error("illegal catch 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descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor);}}function _createClass(Constructor,protoProps,staticProps){if(protoProps)_defineProperties(Constructor.prototype,protoProps);if(staticProps)_defineProperties(Constructor,staticProps);Object.defineProperty(Constructor,"prototype",{writable:false});return Constructor;}function _awaitAsyncGenerator(value){return new _AwaitValue(value);}function _wrapAsyncGenerator(fn){return function(){return new _AsyncGenerator(fn.apply(this,arguments));};}function _AsyncGenerator(gen){var front,back;function send(key,arg){return new Promise(function(resolve,reject){var request={key:key,arg:arg,resolve:resolve,reject:reject,next:null};if(back){back=back.next=request;}else{front=back=request;resume(key,arg);}});}function resume(key,arg){try{var result=gen[key](arg);var value=result.value;var wrappedAwait=value instanceof _AwaitValue;Promise.resolve(wrappedAwait?value.wrapped:value).then(function(arg){if(wrappedAwait){resume(key==="return"?"return":"next",arg);return;}settle(result.done?"return":"normal",arg);},function(err){resume("throw",err);});}catch(err){settle("throw",err);}}function settle(type,value){switch(type){case"return":front.resolve({value:value,done:true});break;case"throw":front.reject(value);break;default:front.resolve({value:value,done:false});break;}front=front.next;if(front){resume(front.key,front.arg);}else{back=null;}}this._invoke=send;if(typeof gen["return"]!=="function"){this["return"]=undefined;}}_AsyncGenerator.prototype[typeof Symbol==="function"&&Symbol.asyncIterator||"@@asyncIterator"]=function(){return this;};_AsyncGenerator.prototype.next=function(arg){return this._invoke("next",arg);};_AsyncGenerator.prototype["throw"]=function(arg){return this._invoke("throw",arg);};_AsyncGenerator.prototype["return"]=function(arg){return this._invoke("return",arg);};function _AwaitValue(value){this.wrapped=value;}function _asyncIterator(iterable){var method,async,sync,retry=2;for("undefined"!=typeof Symbol&&(async=Symbol.asyncIterator,sync=Symbol.iterator);retry--;){if(async&&null!=(method=iterable[async]))return method.call(iterable);if(sync&&null!=(method=iterable[sync]))return new AsyncFromSyncIterator(method.call(iterable));async="@@asyncIterator",sync="@@iterator";}throw new TypeError("Object is not async iterable");}function AsyncFromSyncIterator(s){function AsyncFromSyncIteratorContinuation(r){if(Object(r)!==r)return Promise.reject(new TypeError(r+" is not an object."));var done=r.done;return Promise.resolve(r.value).then(function(value){return{value:value,done:done};});}return AsyncFromSyncIterator=function AsyncFromSyncIterator(s){this.s=s,this.n=s.next;},AsyncFromSyncIterator.prototype={s:null,n:null,next:function next(){return AsyncFromSyncIteratorContinuation(this.n.apply(this.s,arguments));},"return":function _return(value){var ret=this.s["return"];return void 0===ret?Promise.resolve({value:value,done:!0}):AsyncFromSyncIteratorContinuation(ret.apply(this.s,arguments));},"throw":function _throw(value){var thr=this.s["return"];return void 0===thr?Promise.reject(value):AsyncFromSyncIteratorContinuation(thr.apply(this.s,arguments));}},new AsyncFromSyncIterator(s);}/** @private */var Map$1=/*#__PURE__*/function(){function Map$1(items,baseId){_classCallCheck(this,Map$1);this.items=items||[];this._lastUniqueId=(baseId||0)+1;}/**
+var _DEFAULT_SAMPLER;var _marked=/*#__PURE__*/_regeneratorRuntime().mark(makeStringIterator),_marked2=/*#__PURE__*/_regeneratorRuntime().mark(makeArrayBufferIterator),_marked3=/*#__PURE__*/_regeneratorRuntime().mark(makeMeshPrimitiveIterator);function _regeneratorRuntime(){"use strict";/*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */_regeneratorRuntime=function _regeneratorRuntime(){return exports;};var exports={},Op=Object.prototype,hasOwn=Op.hasOwnProperty,$Symbol="function"==typeof Symbol?Symbol:{},iteratorSymbol=$Symbol.iterator||"@@iterator",asyncIteratorSymbol=$Symbol.asyncIterator||"@@asyncIterator",toStringTagSymbol=$Symbol.toStringTag||"@@toStringTag";function define(obj,key,value){return Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}),obj[key];}try{define({},"");}catch(err){define=function define(obj,key,value){return obj[key]=value;};}function wrap(innerFn,outerFn,self,tryLocsList){var protoGenerator=outerFn&&outerFn.prototype instanceof Generator?outerFn:Generator,generator=Object.create(protoGenerator.prototype),context=new Context(tryLocsList||[]);return generator._invoke=function(innerFn,self,context){var state="suspendedStart";return function(method,arg){if("executing"===state)throw new Error("Generator is already running");if("completed"===state){if("throw"===method)throw arg;return doneResult();}for(context.method=method,context.arg=arg;;){var delegate=context.delegate;if(delegate){var delegateResult=maybeInvokeDelegate(delegate,context);if(delegateResult){if(delegateResult===ContinueSentinel)continue;return delegateResult;}}if("next"===context.method)context.sent=context._sent=context.arg;else if("throw"===context.method){if("suspendedStart"===state)throw state="completed",context.arg;context.dispatchException(context.arg);}else"return"===context.method&&context.abrupt("return",context.arg);state="executing";var record=tryCatch(innerFn,self,context);if("normal"===record.type){if(state=context.done?"completed":"suspendedYield",record.arg===ContinueSentinel)continue;return{value:record.arg,done:context.done};}"throw"===record.type&&(state="completed",context.method="throw",context.arg=record.arg);}};}(innerFn,self,context),generator;}function tryCatch(fn,obj,arg){try{return{type:"normal",arg:fn.call(obj,arg)};}catch(err){return{type:"throw",arg:err};}}exports.wrap=wrap;var ContinueSentinel={};function Generator(){}function GeneratorFunction(){}function GeneratorFunctionPrototype(){}var IteratorPrototype={};define(IteratorPrototype,iteratorSymbol,function(){return this;});var getProto=Object.getPrototypeOf,NativeIteratorPrototype=getProto&&getProto(getProto(values([])));NativeIteratorPrototype&&NativeIteratorPrototype!==Op&&hasOwn.call(NativeIteratorPrototype,iteratorSymbol)&&(IteratorPrototype=NativeIteratorPrototype);var Gp=GeneratorFunctionPrototype.prototype=Generator.prototype=Object.create(IteratorPrototype);function defineIteratorMethods(prototype){["next","throw","return"].forEach(function(method){define(prototype,method,function(arg){return this._invoke(method,arg);});});}function AsyncIterator(generator,PromiseImpl){function invoke(method,arg,resolve,reject){var record=tryCatch(generator[method],generator,arg);if("throw"!==record.type){var result=record.arg,value=result.value;return value&&"object"==_typeof(value)&&hasOwn.call(value,"__await")?PromiseImpl.resolve(value.__await).then(function(value){invoke("next",value,resolve,reject);},function(err){invoke("throw",err,resolve,reject);}):PromiseImpl.resolve(value).then(function(unwrapped){result.value=unwrapped,resolve(result);},function(error){return invoke("throw",error,resolve,reject);});}reject(record.arg);}var previousPromise;this._invoke=function(method,arg){function callInvokeWithMethodAndArg(){return new PromiseImpl(function(resolve,reject){invoke(method,arg,resolve,reject);});}return previousPromise=previousPromise?previousPromise.then(callInvokeWithMethodAndArg,callInvokeWithMethodAndArg):callInvokeWithMethodAndArg();};}function maybeInvokeDelegate(delegate,context){var method=delegate.iterator[context.method];if(undefined===method){if(context.delegate=null,"throw"===context.method){if(delegate.iterator["return"]&&(context.method="return",context.arg=undefined,maybeInvokeDelegate(delegate,context),"throw"===context.method))return ContinueSentinel;context.method="throw",context.arg=new TypeError("The iterator does not provide a 'throw' method");}return ContinueSentinel;}var record=tryCatch(method,delegate.iterator,context.arg);if("throw"===record.type)return context.method="throw",context.arg=record.arg,context.delegate=null,ContinueSentinel;var info=record.arg;return info?info.done?(context[delegate.resultName]=info.value,context.next=delegate.nextLoc,"return"!==context.method&&(context.method="next",context.arg=undefined),context.delegate=null,ContinueSentinel):info:(context.method="throw",context.arg=new TypeError("iterator result is not an object"),context.delegate=null,ContinueSentinel);}function pushTryEntry(locs){var entry={tryLoc:locs[0]};1 in locs&&(entry.catchLoc=locs[1]),2 in locs&&(entry.finallyLoc=locs[2],entry.afterLoc=locs[3]),this.tryEntries.push(entry);}function resetTryEntry(entry){var record=entry.completion||{};record.type="normal",delete record.arg,entry.completion=record;}function Context(tryLocsList){this.tryEntries=[{tryLoc:"root"}],tryLocsList.forEach(pushTryEntry,this),this.reset(!0);}function values(iterable){if(iterable){var iteratorMethod=iterable[iteratorSymbol];if(iteratorMethod)return iteratorMethod.call(iterable);if("function"==typeof iterable.next)return iterable;if(!isNaN(iterable.length)){var i=-1,next=function next(){for(;++i<iterable.length;){if(hasOwn.call(iterable,i))return next.value=iterable[i],next.done=!1,next;}return next.value=undefined,next.done=!0,next;};return next.next=next;}}return{next:doneResult};}function doneResult(){return{value:undefined,done:!0};}return GeneratorFunction.prototype=GeneratorFunctionPrototype,define(Gp,"constructor",GeneratorFunctionPrototype),define(GeneratorFunctionPrototype,"constructor",GeneratorFunction),GeneratorFunction.displayName=define(GeneratorFunctionPrototype,toStringTagSymbol,"GeneratorFunction"),exports.isGeneratorFunction=function(genFun){var ctor="function"==typeof genFun&&genFun.constructor;return!!ctor&&(ctor===GeneratorFunction||"GeneratorFunction"===(ctor.displayName||ctor.name));},exports.mark=function(genFun){return Object.setPrototypeOf?Object.setPrototypeOf(genFun,GeneratorFunctionPrototype):(genFun.__proto__=GeneratorFunctionPrototype,define(genFun,toStringTagSymbol,"GeneratorFunction")),genFun.prototype=Object.create(Gp),genFun;},exports.awrap=function(arg){return{__await:arg};},defineIteratorMethods(AsyncIterator.prototype),define(AsyncIterator.prototype,asyncIteratorSymbol,function(){return this;}),exports.AsyncIterator=AsyncIterator,exports.async=function(innerFn,outerFn,self,tryLocsList,PromiseImpl){void 0===PromiseImpl&&(PromiseImpl=Promise);var iter=new AsyncIterator(wrap(innerFn,outerFn,self,tryLocsList),PromiseImpl);return exports.isGeneratorFunction(outerFn)?iter:iter.next().then(function(result){return result.done?result.value:iter.next();});},defineIteratorMethods(Gp),define(Gp,toStringTagSymbol,"Generator"),define(Gp,iteratorSymbol,function(){return this;}),define(Gp,"toString",function(){return"[object Generator]";}),exports.keys=function(object){var keys=[];for(var key in object){keys.push(key);}return keys.reverse(),function next(){for(;keys.length;){var key=keys.pop();if(key in object)return next.value=key,next.done=!1,next;}return next.done=!0,next;};},exports.values=values,Context.prototype={constructor:Context,reset:function reset(skipTempReset){if(this.prev=0,this.next=0,this.sent=this._sent=undefined,this.done=!1,this.delegate=null,this.method="next",this.arg=undefined,this.tryEntries.forEach(resetTryEntry),!skipTempReset)for(var name in this){"t"===name.charAt(0)&&hasOwn.call(this,name)&&!isNaN(+name.slice(1))&&(this[name]=undefined);}},stop:function stop(){this.done=!0;var rootRecord=this.tryEntries[0].completion;if("throw"===rootRecord.type)throw rootRecord.arg;return this.rval;},dispatchException:function dispatchException(exception){if(this.done)throw exception;var context=this;function handle(loc,caught){return record.type="throw",record.arg=exception,context.next=loc,caught&&(context.method="next",context.arg=undefined),!!caught;}for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i],record=entry.completion;if("root"===entry.tryLoc)return handle("end");if(entry.tryLoc<=this.prev){var hasCatch=hasOwn.call(entry,"catchLoc"),hasFinally=hasOwn.call(entry,"finallyLoc");if(hasCatch&&hasFinally){if(this.prev<entry.catchLoc)return handle(entry.catchLoc,!0);if(this.prev<entry.finallyLoc)return handle(entry.finallyLoc);}else if(hasCatch){if(this.prev<entry.catchLoc)return handle(entry.catchLoc,!0);}else{if(!hasFinally)throw new Error("try statement without catch or finally");if(this.prev<entry.finallyLoc)return handle(entry.finallyLoc);}}}},abrupt:function abrupt(type,arg){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.tryLoc<=this.prev&&hasOwn.call(entry,"finallyLoc")&&this.prev<entry.finallyLoc){var finallyEntry=entry;break;}}finallyEntry&&("break"===type||"continue"===type)&&finallyEntry.tryLoc<=arg&&arg<=finallyEntry.finallyLoc&&(finallyEntry=null);var record=finallyEntry?finallyEntry.completion:{};return record.type=type,record.arg=arg,finallyEntry?(this.method="next",this.next=finallyEntry.finallyLoc,ContinueSentinel):this.complete(record);},complete:function complete(record,afterLoc){if("throw"===record.type)throw record.arg;return"break"===record.type||"continue"===record.type?this.next=record.arg:"return"===record.type?(this.rval=this.arg=record.arg,this.method="return",this.next="end"):"normal"===record.type&&afterLoc&&(this.next=afterLoc),ContinueSentinel;},finish:function finish(finallyLoc){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.finallyLoc===finallyLoc)return this.complete(entry.completion,entry.afterLoc),resetTryEntry(entry),ContinueSentinel;}},"catch":function _catch(tryLoc){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.tryLoc===tryLoc){var record=entry.completion;if("throw"===record.type){var thrown=record.arg;resetTryEntry(entry);}return thrown;}}throw new Error("illegal catch attempt");},delegateYield:function delegateYield(iterable,resultName,nextLoc){return this.delegate={iterator:values(iterable),resultName:resultName,nextLoc:nextLoc},"next"===this.method&&(this.arg=undefined),ContinueSentinel;}},exports;}function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg);var value=info.value;}catch(error){reject(error);return;}if(info.done){resolve(value);}else{Promise.resolve(value).then(_next,_throw);}}function _asyncToGenerator(fn){return function(){var self=this,args=arguments;return new Promise(function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value);}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err);}_next(undefined);});};}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter(function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable;})),keys.push.apply(keys,symbols);}return keys;}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach(function(key){_defineProperty2(target,key,source[key]);}):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach(function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key));});}return target;}function _defineProperty2(obj,key,value){if(key in obj){Object.defineProperty(obj,key,{value:value,enumerable:true,configurable:true,writable:true});}else{obj[key]=value;}return obj;}function _toConsumableArray(arr){return _arrayWithoutHoles(arr)||_iterableToArray(arr)||_unsupportedIterableToArray(arr)||_nonIterableSpread();}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}function _iterableToArray(iter){if(typeof Symbol!=="undefined"&&iter[Symbol.iterator]!=null||iter["@@iterator"]!=null)return Array.from(iter);}function _arrayWithoutHoles(arr){if(Array.isArray(arr))return _arrayLikeToArray(arr);}function _createForOfIteratorHelper(o,allowArrayLike){var it=typeof Symbol!=="undefined"&&o[Symbol.iterator]||o["@@iterator"];if(!it){if(Array.isArray(o)||(it=_unsupportedIterableToArray(o))||allowArrayLike&&o&&typeof o.length==="number"){if(it)o=it;var i=0;var F=function F(){};return{s:F,n:function n(){if(i>=o.length)return{done:true};return{done:false,value:o[i++]};},e:function e(_e13){throw _e13;},f:F};}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}var normalCompletion=true,didErr=false,err;return{s:function s(){it=it.call(o);},n:function n(){var step=it.next();normalCompletion=step.done;return step;},e:function e(_e14){didErr=true;err=_e14;},f:function f(){try{if(!normalCompletion&&it["return"]!=null)it["return"]();}finally{if(didErr)throw err;}}};}function _get(){if(typeof Reflect!=="undefined"&&Reflect.get){_get=Reflect.get.bind();}else{_get=function _get(target,property,receiver){var base=_superPropBase(target,property);if(!base)return;var desc=Object.getOwnPropertyDescriptor(base,property);if(desc.get){return desc.get.call(arguments.length<3?target:receiver);}return desc.value;};}return _get.apply(this,arguments);}function _superPropBase(object,property){while(!Object.prototype.hasOwnProperty.call(object,property)){object=_getPrototypeOf(object);if(object===null)break;}return object;}function _inherits(subClass,superClass){if(typeof superClass!=="function"&&superClass!==null){throw new TypeError("Super expression must either be null or a function");}subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,writable:true,configurable:true}});Object.defineProperty(subClass,"prototype",{writable:false});if(superClass)_setPrototypeOf(subClass,superClass);}function _setPrototypeOf(o,p){_setPrototypeOf=Object.setPrototypeOf?Object.setPrototypeOf.bind():function _setPrototypeOf(o,p){o.__proto__=p;return o;};return _setPrototypeOf(o,p);}function _createSuper(Derived){var hasNativeReflectConstruct=_isNativeReflectConstruct();return function _createSuperInternal(){var Super=_getPrototypeOf(Derived),result;if(hasNativeReflectConstruct){var NewTarget=_getPrototypeOf(this).constructor;result=Reflect.construct(Super,arguments,NewTarget);}else{result=Super.apply(this,arguments);}return _possibleConstructorReturn(this,result);};}function _possibleConstructorReturn(self,call){if(call&&(_typeof(call)==="object"||typeof call==="function")){return call;}else if(call!==void 0){throw new TypeError("Derived constructors may only return object or undefined");}return _assertThisInitialized(self);}function _assertThisInitialized(self){if(self===void 0){throw new ReferenceError("this hasn't been initialised - super() hasn't been called");}return self;}function _isNativeReflectConstruct(){if(typeof Reflect==="undefined"||!Reflect.construct)return false;if(Reflect.construct.sham)return false;if(typeof Proxy==="function")return true;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return true;}catch(e){return false;}}function _getPrototypeOf(o){_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf.bind():function _getPrototypeOf(o){return o.__proto__||Object.getPrototypeOf(o);};return _getPrototypeOf(o);}function _typeof(obj){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj;}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;},_typeof(obj);}function _slicedToArray(arr,i){return _arrayWithHoles(arr)||_iterableToArrayLimit(arr,i)||_unsupportedIterableToArray(arr,i)||_nonIterableRest();}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}function _unsupportedIterableToArray(o,minLen){if(!o)return;if(typeof o==="string")return _arrayLikeToArray(o,minLen);var n=Object.prototype.toString.call(o).slice(8,-1);if(n==="Object"&&o.constructor)n=o.constructor.name;if(n==="Map"||n==="Set")return Array.from(o);if(n==="Arguments"||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))return _arrayLikeToArray(o,minLen);}function _arrayLikeToArray(arr,len){if(len==null||len>arr.length)len=arr.length;for(var i=0,arr2=new Array(len);i<len;i++){arr2[i]=arr[i];}return arr2;}function _iterableToArrayLimit(arr,i){var _i=arr==null?null:typeof Symbol!=="undefined"&&arr[Symbol.iterator]||arr["@@iterator"];if(_i==null)return;var _arr=[];var _n=true;var _d=false;var _s,_e;try{for(_i=_i.call(arr);!(_n=(_s=_i.next()).done);_n=true){_arr.push(_s.value);if(i&&_arr.length===i)break;}}catch(err){_d=true;_e=err;}finally{try{if(!_n&&_i["return"]!=null)_i["return"]();}finally{if(_d)throw _e;}}return _arr;}function _arrayWithHoles(arr){if(Array.isArray(arr))return arr;}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor);}}function _createClass(Constructor,protoProps,staticProps){if(protoProps)_defineProperties(Constructor.prototype,protoProps);if(staticProps)_defineProperties(Constructor,staticProps);Object.defineProperty(Constructor,"prototype",{writable:false});return Constructor;}function _awaitAsyncGenerator(value){return new _AwaitValue(value);}function _wrapAsyncGenerator(fn){return function(){return new _AsyncGenerator(fn.apply(this,arguments));};}function _AsyncGenerator(gen){var front,back;function send(key,arg){return new Promise(function(resolve,reject){var request={key:key,arg:arg,resolve:resolve,reject:reject,next:null};if(back){back=back.next=request;}else{front=back=request;resume(key,arg);}});}function resume(key,arg){try{var result=gen[key](arg);var value=result.value;var wrappedAwait=value instanceof _AwaitValue;Promise.resolve(wrappedAwait?value.wrapped:value).then(function(arg){if(wrappedAwait){resume(key==="return"?"return":"next",arg);return;}settle(result.done?"return":"normal",arg);},function(err){resume("throw",err);});}catch(err){settle("throw",err);}}function settle(type,value){switch(type){case"return":front.resolve({value:value,done:true});break;case"throw":front.reject(value);break;default:front.resolve({value:value,done:false});break;}front=front.next;if(front){resume(front.key,front.arg);}else{back=null;}}this._invoke=send;if(typeof gen["return"]!=="function"){this["return"]=undefined;}}_AsyncGenerator.prototype[typeof Symbol==="function"&&Symbol.asyncIterator||"@@asyncIterator"]=function(){return this;};_AsyncGenerator.prototype.next=function(arg){return this._invoke("next",arg);};_AsyncGenerator.prototype["throw"]=function(arg){return this._invoke("throw",arg);};_AsyncGenerator.prototype["return"]=function(arg){return this._invoke("return",arg);};function _AwaitValue(value){this.wrapped=value;}function _asyncIterator(iterable){var method,async,sync,retry=2;for("undefined"!=typeof Symbol&&(async=Symbol.asyncIterator,sync=Symbol.iterator);retry--;){if(async&&null!=(method=iterable[async]))return method.call(iterable);if(sync&&null!=(method=iterable[sync]))return new AsyncFromSyncIterator(method.call(iterable));async="@@asyncIterator",sync="@@iterator";}throw new TypeError("Object is not async iterable");}function AsyncFromSyncIterator(s){function AsyncFromSyncIteratorContinuation(r){if(Object(r)!==r)return Promise.reject(new TypeError(r+" is not an object."));var done=r.done;return Promise.resolve(r.value).then(function(value){return{value:value,done:done};});}return AsyncFromSyncIterator=function AsyncFromSyncIterator(s){this.s=s,this.n=s.next;},AsyncFromSyncIterator.prototype={s:null,n:null,next:function next(){return AsyncFromSyncIteratorContinuation(this.n.apply(this.s,arguments));},"return":function _return(value){var ret=this.s["return"];return void 0===ret?Promise.resolve({value:value,done:!0}):AsyncFromSyncIteratorContinuation(ret.apply(this.s,arguments));},"throw":function _throw(value){var thr=this.s["return"];return void 0===thr?Promise.reject(value):AsyncFromSyncIteratorContinuation(thr.apply(this.s,arguments));}},new AsyncFromSyncIterator(s);}/** @private */var Map$1=/*#__PURE__*/function(){function Map$1(items,baseId){_classCallCheck(this,Map$1);this.items=items||[];this._lastUniqueId=(baseId||0)+1;}/**
      * Usage:
      *
      * id = myMap.addItem("foo") // ID internally generated
@@ -387,9 +387,9 @@ menuElement.style.display='block';var menuHeight=menuElement.offsetHeight;var me
      * @param viewer The Viewer
      * @param [cfg] PointerLens configuration.
      * @param [cfg.active=true] Whether PointerLens is active. The PointerLens can only be shown when this is `true` (default).
-     */function PointerLens(viewer){var _this6=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,PointerLens);this.viewer=viewer;this.scene=this.viewer.scene;this._lensCursorDiv=document.createElement('div');this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas);this._lensCursorDiv.style.background="pink";this._lensCursorDiv.style.border="2px solid red";this._lensCursorDiv.style.borderRadius="20px";this._lensCursorDiv.style.width="10px";this._lensCursorDiv.style.height="10px";this._lensCursorDiv.style.margin="-200px -200px";this._lensCursorDiv.style.zIndex="100000";this._lensCursorDiv.style.position="absolute";this._lensCursorDiv.style.pointerEvents="none";this._lensContainer=document.createElement('div');this._lensContainerId=cfg.containerId||'xeokit-lens';this._lensContainer.setAttribute("id",this._lensContainerId);this._lensContainer.style.border="1px solid black";this._lensContainer.style.background="white";//    this._lensContainer.style.opacity = "0";
-this._lensContainer.style.borderRadius="50%";this._lensContainer.style.width="300px";this._lensContainer.style.height="300px";this._lensContainer.style.zIndex="15000";this._lensContainer.style.position="absolute";this._lensContainer.style.pointerEvents="none";this._lensContainer.style.visibility="hidden";this._lensCanvas=document.createElement('canvas');this._lensCanvas.id="".concat(this._lensContainerId,"-canvas");// this._lensCanvas.style.background = "darkblue";
-this._lensCanvas.style.borderRadius="50%";this._lensCanvas.style.width="300px";this._lensCanvas.style.height="300px";this._lensCanvas.style.zIndex="15000";this._lensCanvas.style.pointerEvents="none";document.body.appendChild(this._lensContainer);this._lensContainer.appendChild(this._lensCanvas);this._lensCanvasContext=this._lensCanvas.getContext('2d');this._canvasElement=this.viewer.scene.canvas.canvas;this._canvasPos=null;this._snappedCanvasPos=null;this._lensPosToggle=cfg.lensPosToggle||true;this._lensPosToggleAmount=cfg.lensPosToggleAmount||85;this._lensPosMarginLeft=cfg.lensPosMarginLeft||85;this._lensPosMarginTop=cfg.lensPosMarginTop||25;this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px");this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px");this._zoomLevel=cfg.zoomLevel||2;this._active=cfg.active!==false;this._visible=false;this._snapped=false;this._onViewerRendering=this.viewer.scene.on("rendering",function(){if(_this6._active&&_this6._visible){_this6.update();}});}/**
+     */function PointerLens(viewer){var _this6=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,PointerLens);this.viewer=viewer;this.scene=this.viewer.scene;this._lensCursorDiv=document.createElement('div');this._lensParams={canvasSize:300,cursorBorder:2,cursorSize:10};this._lensCursorDiv.style.borderRadius="50%";this._lensCursorDiv.style.width=this._lensParams.cursorSize+"px";this._lensCursorDiv.style.height=this._lensParams.cursorSize+"px";this._lensCursorDiv.style.zIndex="100000";this._lensCursorDiv.style.position="absolute";this._lensCursorDiv.style.pointerEvents="none";this._lensContainer=document.createElement('div');this._lensContainerId=cfg.containerId||'xeokit-lens';this._lensContainer.setAttribute("id",this._lensContainerId);this._lensContainer.style.border="1px solid black";this._lensContainer.style.background="white";//    this._lensContainer.style.opacity = "0";
+this._lensContainer.style.borderRadius="50%";this._lensContainer.style.width=this._lensParams.canvasSize+"px";this._lensContainer.style.height=this._lensParams.canvasSize+"px";this._lensContainer.style.zIndex="15000";this._lensContainer.style.position="absolute";this._lensContainer.style.pointerEvents="none";this._lensContainer.style.visibility="hidden";this._lensCanvas=document.createElement('canvas');this._lensCanvas.id="".concat(this._lensContainerId,"-canvas");// this._lensCanvas.style.background = "darkblue";
+this._lensCanvas.style.borderRadius="50%";this._lensCanvas.style.width=this._lensParams.canvasSize+"px";this._lensCanvas.style.height=this._lensParams.canvasSize+"px";this._lensCanvas.style.zIndex="15000";this._lensCanvas.style.pointerEvents="none";document.body.appendChild(this._lensContainer);this._lensContainer.appendChild(this._lensCanvas);this._lensContainer.appendChild(this._lensCursorDiv);this._lensCanvasContext=this._lensCanvas.getContext('2d');this._canvasElement=this.viewer.scene.canvas.canvas;this._canvasPos=null;this._snappedCanvasPos=null;this._lensPosToggle=cfg.lensPosToggle||true;this._lensPosToggleAmount=cfg.lensPosToggleAmount||85;this._lensPosMarginLeft=cfg.lensPosMarginLeft||85;this._lensPosMarginTop=cfg.lensPosMarginTop||25;this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px");this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px");this._zoomLevel=cfg.zoomLevel||2;this._active=cfg.active!==false;this._visible=false;this.snapped=false;this._onViewerRendering=this.viewer.scene.on("rendering",function(){if(_this6._active&&_this6._visible){_this6.update();}});}/**
      * Updates this PointerLens.
      */_createClass(PointerLens,[{key:"update",value:function update(){if(!this._active||!this._visible){return;}if(!this._canvasPos){return;}var lensRect=this._lensContainer.getBoundingClientRect();var canvasRect=this._canvasElement.getBoundingClientRect();var pointerOnLens=this._canvasPos[0]<lensRect.right&&this._canvasPos[0]>lensRect.left&&this._canvasPos[1]<lensRect.bottom&&this._canvasPos[1]>lensRect.top;this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px");if(pointerOnLens){if(this._lensPosToggle){this._lensContainer.style.marginTop="".concat(canvasRect.bottom-canvasRect.top-this._lensCanvas.height-this._lensPosToggleAmount,"px");}else{this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px");}this._lensPosToggle=!this._lensPosToggle;}this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var size=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,// source canvas
 this._canvasPos[0]-size/2,// source x (zoom center)
@@ -400,7 +400,7 @@ size,// source height
 0,// destination y
 this._lensCanvas.width,// destination width
 this._lensCanvas.height// destination height
-);var centerLensCanvas=[(lensRect.left+lensRect.right)/2-canvasRect.left,(lensRect.top+lensRect.bottom)/2-canvasRect.top];if(this._snappedCanvasPos){var deltaX=this._snappedCanvasPos[0]-this._canvasPos[0];var deltaY=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft="".concat(centerLensCanvas[0]+deltaX*this._zoomLevel-10,"px");this._lensCursorDiv.style.marginTop="".concat(centerLensCanvas[1]+deltaY*this._zoomLevel-10,"px");}else{this._lensCursorDiv.style.marginLeft="".concat(centerLensCanvas[0]-10,"px");this._lensCursorDiv.style.marginTop="".concat(centerLensCanvas[1]-10,"px");}}/**
+);var middle=this._lensParams.canvasSize/2-this._lensParams.cursorSize/2-this._lensParams.cursorBorder;var deltaX=this._snappedCanvasPos?this._snappedCanvasPos[0]-this._canvasPos[0]:0;var deltaY=this._snappedCanvasPos?this._snappedCanvasPos[1]-this._canvasPos[1]:0;this._lensCursorDiv.style.left="".concat(middle+deltaX*this._zoomLevel,"px");this._lensCursorDiv.style.top="".concat(middle+deltaY*this._zoomLevel,"px");}/**
      * Sets the zoom factor for the lens.
      *
      * This is `2` by default.
@@ -434,10 +434,10 @@ this._lensCanvas.height// destination height
      * This is called by plugins.
      * @returns {Boolean}
      * @private
-     */function get(){return this._snapped;}/**
+     */function get(){return this._snapped;},set:function set(snapped){this._snapped=snapped;var _ref4=snapped?["greenyellow","green"]:["pink","red"],_ref5=_slicedToArray(_ref4,2),bg=_ref5[0],border=_ref5[1];this._lensCursorDiv.style.background=bg;this._lensCursorDiv.style.border=this._lensParams.cursorBorder+"px solid "+border;}},{key:"_updateActiveVisible",value:function _updateActiveVisible(){this._lensContainer.style.visibility=this._active&&this._visible?"visible":"hidden";this.update();}/**
      * Sets if this PointerLens is active.
      * @param active
-     */,set:function set(snapped){this._snapped=snapped;if(snapped){this._lensCursorDiv.style.background="greenyellow";this._lensCursorDiv.style.border="2px solid green";}else{this._lensCursorDiv.style.background="pink";this._lensCursorDiv.style.border="2px solid red";}}},{key:"active",get:/**
+     */},{key:"active",get:/**
      * Gets if this PointerLens is active.
      * @returns {Boolean}
      */function get(){return this._active;}/**
@@ -445,14 +445,14 @@ this._lensCanvas.height// destination height
      * This is set by plugins.
      * @param visible
      * @private
-     */,set:function set(active){this._active=active;this._lensContainer.style.visibility=active&&this._visible?"visible":"hidden";if(!active||!this._visible){this._lensCursorDiv.style.marginLeft="-100px";this._lensCursorDiv.style.marginTop="-100px";}this.update();}},{key:"visible",get:/**
+     */,set:function set(active){this._active=active;this._updateActiveVisible();}},{key:"visible",get:/**
      * Gets if this PointerLens is visible.
      * This is called by plugins.
      * @returns {Boolean}
      * @private
      */function get(){return this._visible;}/**
      * Destroys this PointerLens.
-     */,set:function set(visible){this._visible=visible;this._lensContainer.style.visibility=visible&&this._active?"visible":"hidden";if(!visible||!this._active){this._lensCursorDiv.style.marginLeft="-100px";this._lensCursorDiv.style.marginTop="-100px";}this.update();}},{key:"destroy",value:function destroy(){if(!this._destroyed){this.viewer.scene.off(this._onViewerRendering);this._lensContainer.removeChild(this._lensCanvas);document.body.removeChild(this._lensContainer);this._destroyed=true;}}}]);return PointerLens;}();// Some temporary vars to help avoid garbage collection
+     */,set:function set(visible){this._visible=visible;this._updateActiveVisible();}},{key:"destroy",value:function destroy(){if(!this._destroyed){this.viewer.scene.off(this._onViewerRendering);this._lensContainer.removeChild(this._lensCanvas);document.body.removeChild(this._lensContainer);this._destroyed=true;}}}]);return PointerLens;}();// Some temporary vars to help avoid garbage collection
 var doublePrecision=true;var FloatArrayType=doublePrecision?Float64Array:Float32Array;var tempVec3a$N=new FloatArrayType(3);var tempMat1=new FloatArrayType(16);var tempMat2=new FloatArrayType(16);var tempVec4$2=new FloatArrayType(4);/**
  * @private
  */var math={setDoublePrecisionEnabled:function setDoublePrecisionEnabled(enable){doublePrecision=enable;FloatArrayType=doublePrecision?Float64Array:Float32Array;},getDoublePrecisionEnabled:function getDoublePrecisionEnabled(){return doublePrecision;},MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:10000000,/**
@@ -2283,9 +2283,10 @@ callback.call(scope||this,value);}return subId;}/**
      */},{key:"destroy",value:function destroy(){this.viewer.removePlugin(this);}}]);return Plugin;}();var os={isIphoneSafari:function isIphoneSafari(){var userAgent=window.navigator.userAgent;var isIphone=/iPhone/i.test(userAgent);var isSafari=/Safari/i.test(userAgent)&&!/Chrome/i.test(userAgent);return isIphone&&isSafari;},isTouchDevice:function isTouchDevice(){return'ontouchstart'in window||//works for most devices
 navigator.maxTouchPoints>0||//works for modern touch devices
 navigator.mxMaxTouchPoints>0//works for older microsoft touch devices
-;}};function addContextMenuListener(elem,callback){if(!elem||!callback)return;var timeout=null;var longPressTimer=500;var MOVE_THRESHOLD=3;var startX,startY;var touchStartHandler=function touchStartHandler(event){event.preventDefault();if(timeout){clearTimeout(timeout);timeout=null;}// If more than one finger touches the screen, cancel the timeout
+;}};//failCallback will be called when the press is not long enough to considered a long press
+function addContextMenuListener(elem,callback){var failCallback=arguments.length>2&&arguments[2]!==undefined?arguments[2]:function(){};if(!elem||!callback)return;var timeout=null;var longPressTimer=500;var MOVE_THRESHOLD=3;var startX,startY;var touchStartHandler=function touchStartHandler(event){event.preventDefault();if(timeout){clearTimeout(timeout);timeout=null;}// If more than one finger touches the screen, cancel the timeout
 if(event.touches.length>1)return;var touch=event.touches[0];startX=touch.clientX;startY=touch.clientY;timeout=setTimeout(function(){event.clientX=touch.clientX;event.clientY=touch.clientY;callback(event);clearTimeout(timeout);timeout=null;},longPressTimer);};var globalTouchStartHandler=function globalTouchStartHandler(event){// Cancel timeout if multiple touches are detected anywhere on the screen
-if(event.touches.length>1&&timeout){clearTimeout(timeout);timeout=null;}};var touchMoveHandler=function touchMoveHandler(event){if(!timeout)return;var touch=event.touches[0];var deltaX=Math.abs(touch.clientX-startX);var deltaY=Math.abs(touch.clientY-startY);if(deltaX>MOVE_THRESHOLD||deltaY>MOVE_THRESHOLD){clearTimeout(timeout);timeout=null;}};var touchEndHandler=function touchEndHandler(event){event.preventDefault();if(timeout){clearTimeout(timeout);timeout=null;}};var contextMenuHandler=function contextMenuHandler(event){callback(event);event.preventDefault();event.stopPropagation();};if(os.isIphoneSafari()){elem.addEventListener('touchstart',touchStartHandler);elem.addEventListener('touchmove',touchMoveHandler);elem.addEventListener('touchend',touchEndHandler);window.addEventListener('touchstart',globalTouchStartHandler);}else{elem.addEventListener('contextmenu',contextMenuHandler);}return function removeContextMenuListener(){if(os.isIphoneSafari()){elem.removeEventListener('touchstart',touchStartHandler);elem.removeEventListener('touchmove',touchMoveHandler);elem.removeEventListener('touchend',touchEndHandler);window.removeEventListener('touchstart',globalTouchStartHandler);}else{elem.removeEventListener('contextmenu',contextMenuHandler);}};}/** @private */var Dot=/*#__PURE__*/function(){function Dot(parentElement){var _this13=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,Dot);this._highlightClass="viewer-ruler-dot-highlighted";this._x=0;this._y=0;this._dot=document.createElement('div');this._dot.className+=this._dot.className?' viewer-ruler-dot':'viewer-ruler-dot';this._dotClickable=document.createElement('div');this._dotClickable.className+=this._dotClickable.className?' viewer-ruler-dot-clickable':'viewer-ruler-dot-clickable';this._visible=cfg.visible!==false;this._culled=false;var dot=this._dot;var dotStyle=dot.style;dotStyle["border-radius"]=25+"px";dotStyle.border="solid 2px white";dotStyle.background="lightgreen";dotStyle.position="absolute";dotStyle["z-index"]=cfg.zIndex===undefined?"40000005":cfg.zIndex;dotStyle.width=8+"px";dotStyle.height=8+"px";dotStyle.visibility=this._visible?"visible":"hidden";dotStyle.top=0+"px";dotStyle.left=0+"px";dotStyle["box-shadow"]="0 2px 5px 0 #182A3D;";dotStyle["opacity"]=1.0;dotStyle["pointer-events"]="none";if(cfg.onContextMenu);parentElement.appendChild(dot);var dotClickable=this._dotClickable;var dotClickableStyle=dotClickable.style;dotClickableStyle["border-radius"]=35+"px";dotClickableStyle.border="solid 10px white";dotClickableStyle.position="absolute";dotClickableStyle["z-index"]=cfg.zIndex===undefined?"40000007":cfg.zIndex+1;dotClickableStyle.width=8+"px";dotClickableStyle.height=8+"px";dotClickableStyle.visibility="visible";dotClickableStyle.top=0+"px";dotClickableStyle.left=0+"px";dotClickableStyle["opacity"]=0.0;dotClickableStyle["pointer-events"]="none";if(cfg.onContextMenu);parentElement.appendChild(dotClickable);dotClickable.addEventListener('click',function(event){parentElement.dispatchEvent(new MouseEvent('mouseover',event));});if(cfg.onMouseOver){dotClickable.addEventListener('mouseover',function(event){cfg.onMouseOver(event,_this13);parentElement.dispatchEvent(new MouseEvent('mouseover',event));});}if(cfg.onMouseLeave){dotClickable.addEventListener('mouseleave',function(event){cfg.onMouseLeave(event,_this13);});}if(cfg.onMouseWheel){dotClickable.addEventListener('wheel',function(event){cfg.onMouseWheel(event,_this13);});}if(cfg.onMouseDown){dotClickable.addEventListener('mousedown',function(event){cfg.onMouseDown(event,_this13);});}if(cfg.onMouseUp){dotClickable.addEventListener('mouseup',function(event){cfg.onMouseUp(event,_this13);});}if(cfg.onMouseMove){dotClickable.addEventListener('mousemove',function(event){cfg.onMouseMove(event,_this13);});}if(cfg.onTouchstart){dotClickable.addEventListener('touchstart',function(event){cfg.onTouchstart(event,_this13);});}if(cfg.onTouchmove){dotClickable.addEventListener('touchmove',function(event){cfg.onTouchmove(event,_this13);});}if(cfg.onTouchend){dotClickable.addEventListener('touchend',function(event){cfg.onTouchend(event,_this13);});}if(cfg.onContextMenu){var contextMenuCallback=function contextMenuCallback(event){cfg.onContextMenu(event,_this13);};addContextMenuListener(dotClickable,contextMenuCallback);}this.setPos(cfg.x||0,cfg.y||0);this.setFillColor(cfg.fillColor);this.setBorderColor(cfg.borderColor);}_createClass(Dot,[{key:"setPos",value:function setPos(x,y){this._x=x;this._y=y;var dotStyle=this._dot.style;dotStyle["left"]=Math.round(x)-6+'px';dotStyle["top"]=Math.round(y)-6+'px';var dotClickableStyle=this._dotClickable.style;dotClickableStyle["left"]=Math.round(x)-14+'px';dotClickableStyle["top"]=Math.round(y)-14+'px';}},{key:"setFillColor",value:function setFillColor(color){this._dot.style.background=color||"lightgreen";}},{key:"setBorderColor",value:function setBorderColor(color){this._dot.style.border="solid 2px"+(color||"black");}},{key:"setOpacity",value:function setOpacity(opacity){this._dot.style.opacity=opacity;}},{key:"_updateVisibility",value:function _updateVisibility(){this._dot.style.visibility=this._dotClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden";}},{key:"setVisible",value:function setVisible(visible){if(this._visible===visible){return;}this._visible=!!visible;this._updateVisibility();}},{key:"setCulled",value:function setCulled(culled){if(this._culled===culled){return;}this._culled=!!culled;this._updateVisibility();}},{key:"setClickable",value:function setClickable(clickable){this._dotClickable.style["pointer-events"]=clickable?"all":"none";}},{key:"setHighlighted",value:function setHighlighted(highlighted){if(this._highlighted===highlighted){return;}this._highlighted=!!highlighted;if(this._highlighted){this._dot.classList.add(this._highlightClass);}else{this._dot.classList.remove(this._highlightClass);}}},{key:"destroy",value:function destroy(){this.setVisible(false);if(this._dot.parentElement){this._dot.parentElement.removeChild(this._dot);}if(this._dotClickable.parentElement){this._dotClickable.parentElement.removeChild(this._dotClickable);}}}]);return Dot;}();/** @private */var Label=/*#__PURE__*/function(){function Label(parentElement){var _this14=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,Label);this._highlightClass="viewer-ruler-label-highlighted";this._prefix=cfg.prefix||"";this._x=0;this._y=0;this._visible=true;this._culled=false;this._label=document.createElement('div');this._label.className+=this._label.className?' viewer-ruler-label':'viewer-ruler-label';this._timeout=null;var label=this._label;var style=label.style;style["border-radius"]=5+"px";style.color="white";style.padding="4px";style.border="solid 1px";style.background="lightgreen";style.position="absolute";style["z-index"]=cfg.zIndex===undefined?"5000005":cfg.zIndex;style.width="auto";style.height="auto";style.visibility="visible";style.top=0+"px";style.left=0+"px";style["pointer-events"]="all";style["opacity"]=1.0;if(cfg.onContextMenu);label.innerText="";parentElement.appendChild(label);this.setPos(cfg.x||0,cfg.y||0);this.setFillColor(cfg.fillColor);this.setBorderColor(cfg.fillColor);this.setText(cfg.text);if(cfg.onMouseOver){label.addEventListener('mouseover',function(event){cfg.onMouseOver(event,_this14);event.preventDefault();});}if(cfg.onMouseLeave){label.addEventListener('mouseleave',function(event){cfg.onMouseLeave(event,_this14);event.preventDefault();});}if(cfg.onMouseWheel){label.addEventListener('wheel',function(event){cfg.onMouseWheel(event,_this14);});}if(cfg.onMouseDown){label.addEventListener('mousedown',function(event){cfg.onMouseDown(event,_this14);event.stopPropagation();});}if(cfg.onMouseUp){label.addEventListener('mouseup',function(event){cfg.onMouseUp(event,_this14);event.stopPropagation();});}if(cfg.onMouseMove){label.addEventListener('mousemove',function(event){cfg.onMouseMove(event,_this14);});}if(cfg.onContextMenu){var contextMenuCallback=function contextMenuCallback(event){cfg.onContextMenu(event,_this14);};addContextMenuListener(label,contextMenuCallback);}}_createClass(Label,[{key:"setPos",value:function setPos(x,y){this._x=x;this._y=y;var style=this._label.style;style["left"]=Math.round(x)-20+'px';style["top"]=Math.round(y)-12+'px';}},{key:"setPosOnWire",value:function setPosOnWire(x1,y1,x2,y2){var x=x1+(x2-x1)*0.5;var y=y1+(y2-y1)*0.5;var style=this._label.style;style["left"]=Math.round(x)-20+'px';style["top"]=Math.round(y)-12+'px';}},{key:"setPosBetweenWires",value:function setPosBetweenWires(x1,y1,x2,y2,x3,y3){var x=(x1+x2+x3)/3;var y=(y1+y2+y3)/3;var style=this._label.style;style["left"]=Math.round(x)-20+'px';style["top"]=Math.round(y)-12+'px';}},{key:"setText",value:function setText(text){this._label.innerHTML=this._prefix+(text||"");}},{key:"setFillColor",value:function setFillColor(color){this._fillColor=color||"lightgreen";this._label.style.background=this._fillColor;}},{key:"setBorderColor",value:function setBorderColor(color){this._borderColor=color||"black";this._label.style.border="solid 1px "+this._borderColor;}},{key:"setOpacity",value:function setOpacity(opacity){this._label.style.opacity=opacity;}},{key:"_updateVisibility",value:function _updateVisibility(){this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden";}},{key:"setVisible",value:function setVisible(visible){if(this._visible===visible){return;}this._visible=!!visible;this._updateVisibility();}},{key:"setCulled",value:function setCulled(culled){if(this._culled===culled){return;}this._culled=!!culled;this._updateVisibility();}},{key:"setHighlighted",value:function setHighlighted(highlighted){if(this._highlighted===highlighted){return;}this._highlighted=!!highlighted;if(this._highlighted){this._label.classList.add(this._highlightClass);}else{this._label.classList.remove(this._highlightClass);}}},{key:"setClickable",value:function setClickable(clickable){this._label.style["pointer-events"]=clickable?"all":"none";}},{key:"setPrefix",value:function setPrefix(prefix){if(this._prefix===prefix){return;}this._prefix=prefix;}},{key:"destroy",value:function destroy(){if(this._label.parentElement){this._label.parentElement.removeChild(this._label);}}}]);return Label;}();/** @private */var Wire=/*#__PURE__*/function(){function Wire(parentElement){var _this15=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,Wire);this._color=cfg.color||"black";this._highlightClass="viewer-ruler-wire-highlighted";this._wire=document.createElement('div');this._wire.className+=this._wire.className?' viewer-ruler-wire':'viewer-ruler-wire';this._wireClickable=document.createElement('div');this._wireClickable.className+=this._wireClickable.className?' viewer-ruler-wire-clickable':'viewer-ruler-wire-clickable';this._thickness=cfg.thickness||1.0;this._thicknessClickable=cfg.thicknessClickable||6.0;this._visible=true;this._culled=false;var wire=this._wire;var wireStyle=wire.style;wireStyle.border="solid "+this._thickness+"px "+this._color;wireStyle.position="absolute";wireStyle["z-index"]=cfg.zIndex===undefined?"2000001":cfg.zIndex;wireStyle.width=0+"px";wireStyle.height=0+"px";wireStyle.visibility="visible";wireStyle.top=0+"px";wireStyle.left=0+"px";wireStyle['-webkit-transform-origin']="0 0";wireStyle['-moz-transform-origin']="0 0";wireStyle['-ms-transform-origin']="0 0";wireStyle['-o-transform-origin']="0 0";wireStyle['transform-origin']="0 0";wireStyle['-webkit-transform']='rotate(0deg)';wireStyle['-moz-transform']='rotate(0deg)';wireStyle['-ms-transform']='rotate(0deg)';wireStyle['-o-transform']='rotate(0deg)';wireStyle['transform']='rotate(0deg)';wireStyle["opacity"]=1.0;wireStyle["pointer-events"]="none";if(cfg.onContextMenu);parentElement.appendChild(wire);var wireClickable=this._wireClickable;var wireClickableStyle=wireClickable.style;wireClickableStyle.border="solid "+this._thicknessClickable+"px "+this._color;wireClickableStyle.position="absolute";wireClickableStyle["z-index"]=cfg.zIndex===undefined?"2000002":cfg.zIndex+1;wireClickableStyle.width=0+"px";wireClickableStyle.height=0+"px";wireClickableStyle.visibility="visible";wireClickableStyle.top=0+"px";wireClickableStyle.left=0+"px";// wireClickableStyle["pointer-events"] = "none";
+if(event.touches.length>1&&timeout){clearTimeout(timeout);timeout=null;}};var touchMoveHandler=function touchMoveHandler(event){if(!timeout)return;var touch=event.touches[0];var deltaX=Math.abs(touch.clientX-startX);var deltaY=Math.abs(touch.clientY-startY);if(deltaX>MOVE_THRESHOLD||deltaY>MOVE_THRESHOLD){clearTimeout(timeout);timeout=null;}};var touchEndHandler=function touchEndHandler(event){event.preventDefault();if(timeout){failCallback(event);clearTimeout(timeout);timeout=null;}};var contextMenuHandler=function contextMenuHandler(event){callback(event);event.preventDefault();event.stopPropagation();};if(os.isIphoneSafari()){elem.addEventListener('touchstart',touchStartHandler);elem.addEventListener('touchmove',touchMoveHandler);elem.addEventListener('touchend',touchEndHandler);window.addEventListener('touchstart',globalTouchStartHandler);}else{elem.addEventListener('contextmenu',contextMenuHandler);}return function removeContextMenuListener(){if(os.isIphoneSafari()){elem.removeEventListener('touchstart',touchStartHandler);elem.removeEventListener('touchmove',touchMoveHandler);elem.removeEventListener('touchend',touchEndHandler);window.removeEventListener('touchstart',globalTouchStartHandler);}else{elem.removeEventListener('contextmenu',contextMenuHandler);}};}/** @private */var Dot=/*#__PURE__*/function(){function Dot(parentElement){var _this13=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,Dot);this._highlightClass="viewer-ruler-dot-highlighted";this._x=0;this._y=0;this._dot=document.createElement('div');this._dot.className+=this._dot.className?' viewer-ruler-dot':'viewer-ruler-dot';this._dotClickable=document.createElement('div');this._dotClickable.className+=this._dotClickable.className?' viewer-ruler-dot-clickable':'viewer-ruler-dot-clickable';this._visible=cfg.visible!==false;this._culled=false;var dot=this._dot;var dotStyle=dot.style;dotStyle["border-radius"]=25+"px";dotStyle.border="solid 2px white";dotStyle.background="lightgreen";dotStyle.position="absolute";dotStyle["z-index"]=cfg.zIndex===undefined?"40000005":cfg.zIndex;dotStyle.width=8+"px";dotStyle.height=8+"px";dotStyle.visibility=this._visible?"visible":"hidden";dotStyle.top=0+"px";dotStyle.left=0+"px";dotStyle["box-shadow"]="0 2px 5px 0 #182A3D;";dotStyle["opacity"]=1.0;dotStyle["pointer-events"]="none";if(cfg.onContextMenu);parentElement.appendChild(dot);var dotClickable=this._dotClickable;var dotClickableStyle=dotClickable.style;dotClickableStyle["border-radius"]=35+"px";dotClickableStyle.border="solid 10px white";dotClickableStyle.position="absolute";dotClickableStyle["z-index"]=cfg.zIndex===undefined?"40000007":cfg.zIndex+1;dotClickableStyle.width=8+"px";dotClickableStyle.height=8+"px";dotClickableStyle.visibility="visible";dotClickableStyle.top=0+"px";dotClickableStyle.left=0+"px";dotClickableStyle["opacity"]=0.0;dotClickableStyle["pointer-events"]="none";if(cfg.onContextMenu);parentElement.appendChild(dotClickable);dotClickable.addEventListener('click',function(event){parentElement.dispatchEvent(new MouseEvent('mouseover',event));});if(cfg.onMouseOver){dotClickable.addEventListener('mouseover',function(event){cfg.onMouseOver(event,_this13);parentElement.dispatchEvent(new MouseEvent('mouseover',event));});}if(cfg.onMouseLeave){dotClickable.addEventListener('mouseleave',function(event){cfg.onMouseLeave(event,_this13);});}if(cfg.onMouseWheel){dotClickable.addEventListener('wheel',function(event){cfg.onMouseWheel(event,_this13);});}if(cfg.onMouseDown){dotClickable.addEventListener('mousedown',function(event){cfg.onMouseDown(event,_this13);});}if(cfg.onMouseUp){dotClickable.addEventListener('mouseup',function(event){cfg.onMouseUp(event,_this13);});}if(cfg.onMouseMove){dotClickable.addEventListener('mousemove',function(event){cfg.onMouseMove(event,_this13);});}if(cfg.onTouchstart){dotClickable.addEventListener('touchstart',function(event){cfg.onTouchstart(event,_this13);});}if(cfg.onTouchmove){dotClickable.addEventListener('touchmove',function(event){cfg.onTouchmove(event,_this13);});}if(cfg.onTouchend){dotClickable.addEventListener('touchend',function(event){cfg.onTouchend(event,_this13);});}if(cfg.onContextMenu){var contextMenuCallback=function contextMenuCallback(event){cfg.onContextMenu(event,_this13);};addContextMenuListener(dotClickable,contextMenuCallback);}this.setPos(cfg.x||0,cfg.y||0);this.setFillColor(cfg.fillColor);this.setBorderColor(cfg.borderColor);}_createClass(Dot,[{key:"setPos",value:function setPos(x,y){this._x=x;this._y=y;var dotStyle=this._dot.style;dotStyle["left"]=Math.round(x)-6+'px';dotStyle["top"]=Math.round(y)-6+'px';var dotClickableStyle=this._dotClickable.style;dotClickableStyle["left"]=Math.round(x)-14+'px';dotClickableStyle["top"]=Math.round(y)-14+'px';}},{key:"setFillColor",value:function setFillColor(color){this._dot.style.background=color||"lightgreen";}},{key:"setBorderColor",value:function setBorderColor(color){this._dot.style.border="solid 2px"+(color||"black");}},{key:"setOpacity",value:function setOpacity(opacity){this._dot.style.opacity=opacity;}},{key:"_updateVisibility",value:function _updateVisibility(){this._dot.style.visibility=this._dotClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden";}},{key:"setVisible",value:function setVisible(visible){if(this._visible===visible){return;}this._visible=!!visible;this._updateVisibility();}},{key:"setCulled",value:function setCulled(culled){if(this._culled===culled){return;}this._culled=!!culled;this._updateVisibility();}},{key:"setClickable",value:function setClickable(clickable){this._dotClickable.style["pointer-events"]=clickable?"all":"none";}},{key:"setHighlighted",value:function setHighlighted(highlighted){if(this._highlighted===highlighted){return;}this._highlighted=!!highlighted;if(this._highlighted){this._dot.classList.add(this._highlightClass);}else{this._dot.classList.remove(this._highlightClass);}}},{key:"destroy",value:function destroy(){this.setVisible(false);if(this._dot.parentElement){this._dot.parentElement.removeChild(this._dot);}if(this._dotClickable.parentElement){this._dotClickable.parentElement.removeChild(this._dotClickable);}}}]);return Dot;}();/** @private */var Label=/*#__PURE__*/function(){function Label(parentElement){var _this14=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,Label);this._highlightClass="viewer-ruler-label-highlighted";this._prefix=cfg.prefix||"";this._x=0;this._y=0;this._visible=true;this._culled=false;this._label=document.createElement('div');this._label.className+=this._label.className?' viewer-ruler-label':'viewer-ruler-label';this._timeout=null;var label=this._label;var style=label.style;style["border-radius"]=5+"px";style.color="white";style.padding="4px";style.border="solid 1px";style.background="lightgreen";style.position="absolute";style["z-index"]=cfg.zIndex===undefined?"5000005":cfg.zIndex;style.width="auto";style.height="auto";style.visibility="visible";style.top=0+"px";style.left=0+"px";style["pointer-events"]="all";style["opacity"]=1.0;if(cfg.onContextMenu);label.innerText="";parentElement.appendChild(label);this.setPos(cfg.x||0,cfg.y||0);this.setFillColor(cfg.fillColor);this.setBorderColor(cfg.fillColor);this.setText(cfg.text);if(cfg.onMouseOver){label.addEventListener('mouseover',function(event){cfg.onMouseOver(event,_this14);event.preventDefault();});}if(cfg.onMouseLeave){label.addEventListener('mouseleave',function(event){cfg.onMouseLeave(event,_this14);event.preventDefault();});}if(cfg.onMouseWheel){label.addEventListener('wheel',function(event){cfg.onMouseWheel(event,_this14);});}if(cfg.onMouseDown){label.addEventListener('mousedown',function(event){cfg.onMouseDown(event,_this14);event.stopPropagation();});}if(cfg.onMouseUp){label.addEventListener('mouseup',function(event){cfg.onMouseUp(event,_this14);event.stopPropagation();});}if(cfg.onMouseMove){label.addEventListener('mousemove',function(event){cfg.onMouseMove(event,_this14);});}if(cfg.onContextMenu){var contextMenuCallback=function contextMenuCallback(event){cfg.onContextMenu(event,_this14);};addContextMenuListener(label,contextMenuCallback);}}_createClass(Label,[{key:"setPos",value:function setPos(x,y){this._x=x;this._y=y;var style=this._label.style;style["left"]=Math.round(x)-20+'px';style["top"]=Math.round(y)-12+'px';}},{key:"setPosOnWire",value:function setPosOnWire(x1,y1,x2,y2){var x=x1+(x2-x1)*0.5;var y=y1+(y2-y1)*0.5;var style=this._label.style;style["left"]=Math.round(x)-20+'px';style["top"]=Math.round(y)-12+'px';}},{key:"setPosBetweenWires",value:function setPosBetweenWires(x1,y1,x2,y2,x3,y3){var x=(x1+x2+x3)/3;var y=(y1+y2+y3)/3;var style=this._label.style;style["left"]=Math.round(x)-20+'px';style["top"]=Math.round(y)-12+'px';}},{key:"setText",value:function setText(text){this._label.innerHTML=this._prefix+(text||"");}},{key:"setFillColor",value:function setFillColor(color){this._fillColor=color||"lightgreen";this._label.style.background=this._fillColor;}},{key:"setBorderColor",value:function setBorderColor(color){this._borderColor=color||"black";this._label.style.border="solid 1px "+this._borderColor;}},{key:"setOpacity",value:function setOpacity(opacity){this._label.style.opacity=opacity;}},{key:"_updateVisibility",value:function _updateVisibility(){this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden";}},{key:"setVisible",value:function setVisible(visible){if(this._visible===visible){return;}this._visible=!!visible;this._updateVisibility();}},{key:"setCulled",value:function setCulled(culled){if(this._culled===culled){return;}this._culled=!!culled;this._updateVisibility();}},{key:"setHighlighted",value:function setHighlighted(highlighted){if(this._highlighted===highlighted){return;}this._highlighted=!!highlighted;if(this._highlighted){this._label.classList.add(this._highlightClass);}else{this._label.classList.remove(this._highlightClass);}}},{key:"setClickable",value:function setClickable(clickable){this._label.style["pointer-events"]=clickable?"all":"none";}},{key:"setPrefix",value:function setPrefix(prefix){if(this._prefix===prefix){return;}this._prefix=prefix;}},{key:"destroy",value:function destroy(){if(this._label.parentElement){this._label.parentElement.removeChild(this._label);}}}]);return Label;}();/** @private */var Wire=/*#__PURE__*/function(){function Wire(parentElement){var _this15=this;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,Wire);this._color=cfg.color||"black";this._highlightClass="viewer-ruler-wire-highlighted";this._wire=document.createElement('div');this._wire.className+=this._wire.className?' viewer-ruler-wire':'viewer-ruler-wire';this._wireClickable=document.createElement('div');this._wireClickable.className+=this._wireClickable.className?' viewer-ruler-wire-clickable':'viewer-ruler-wire-clickable';this._thickness=cfg.thickness||1.0;this._thicknessClickable=cfg.thicknessClickable||6.0;this._visible=true;this._culled=false;var wire=this._wire;var wireStyle=wire.style;wireStyle.border="solid "+this._thickness+"px "+this._color;wireStyle.position="absolute";wireStyle["z-index"]=cfg.zIndex===undefined?"2000001":cfg.zIndex;wireStyle.width=0+"px";wireStyle.height=0+"px";wireStyle.visibility="visible";wireStyle.top=0+"px";wireStyle.left=0+"px";wireStyle['-webkit-transform-origin']="0 0";wireStyle['-moz-transform-origin']="0 0";wireStyle['-ms-transform-origin']="0 0";wireStyle['-o-transform-origin']="0 0";wireStyle['transform-origin']="0 0";wireStyle['-webkit-transform']='rotate(0deg)';wireStyle['-moz-transform']='rotate(0deg)';wireStyle['-ms-transform']='rotate(0deg)';wireStyle['-o-transform']='rotate(0deg)';wireStyle['transform']='rotate(0deg)';wireStyle["opacity"]=1.0;wireStyle["pointer-events"]="none";if(cfg.onContextMenu);parentElement.appendChild(wire);var wireClickable=this._wireClickable;var wireClickableStyle=wireClickable.style;wireClickableStyle.border="solid "+this._thicknessClickable+"px "+this._color;wireClickableStyle.position="absolute";wireClickableStyle["z-index"]=cfg.zIndex===undefined?"2000002":cfg.zIndex+1;wireClickableStyle.width=0+"px";wireClickableStyle.height=0+"px";wireClickableStyle.visibility="visible";wireClickableStyle.top=0+"px";wireClickableStyle.left=0+"px";// wireClickableStyle["pointer-events"] = "none";
 wireClickableStyle['-webkit-transform-origin']="0 0";wireClickableStyle['-moz-transform-origin']="0 0";wireClickableStyle['-ms-transform-origin']="0 0";wireClickableStyle['-o-transform-origin']="0 0";wireClickableStyle['transform-origin']="0 0";wireClickableStyle['-webkit-transform']='rotate(0deg)';wireClickableStyle['-moz-transform']='rotate(0deg)';wireClickableStyle['-ms-transform']='rotate(0deg)';wireClickableStyle['-o-transform']='rotate(0deg)';wireClickableStyle['transform']='rotate(0deg)';wireClickableStyle["opacity"]=0.0;wireClickableStyle["pointer-events"]="none";if(cfg.onContextMenu);parentElement.appendChild(wireClickable);if(cfg.onMouseOver){wireClickable.addEventListener('mouseover',function(event){cfg.onMouseOver(event,_this15);});}if(cfg.onMouseLeave){wireClickable.addEventListener('mouseleave',function(event){cfg.onMouseLeave(event,_this15);});}if(cfg.onMouseWheel){wireClickable.addEventListener('wheel',function(event){cfg.onMouseWheel(event,_this15);});}if(cfg.onMouseDown){wireClickable.addEventListener('mousedown',function(event){cfg.onMouseDown(event,_this15);});}if(cfg.onMouseUp){wireClickable.addEventListener('mouseup',function(event){cfg.onMouseUp(event,_this15);});}if(cfg.onMouseMove){wireClickable.addEventListener('mousemove',function(event){cfg.onMouseMove(event,_this15);});}if(cfg.onContextMenu){var contextMenuCallback=function contextMenuCallback(event){cfg.onContextMenu(event,_this15);};addContextMenuListener(wireClickable,contextMenuCallback);}this._x1=0;this._y1=0;this._x2=0;this._y2=0;this._update();}_createClass(Wire,[{key:"visible",get:function get(){return this._wire.style.visibility==="visible";}},{key:"_update",value:function _update(){var length=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2)));var angle=Math.atan2(this._y2-this._y1,this._x2-this._x1)*180.0/Math.PI;var wireStyle=this._wire.style;wireStyle["width"]=Math.round(length)+'px';wireStyle["left"]=Math.round(this._x1)+'px';wireStyle["top"]=Math.round(this._y1)+'px';wireStyle['-webkit-transform']=wireStyle['-moz-transform']=wireStyle['-ms-transform']=wireStyle['-o-transform']=wireStyle['transform']='rotate('+angle+'deg) translate(-'+this._thickness+'px, -'+this._thickness+'px)';var wireClickableStyle=this._wireClickable.style;wireClickableStyle["width"]=Math.round(length)+'px';wireClickableStyle["left"]=Math.round(this._x1)+'px';wireClickableStyle["top"]=Math.round(this._y1)+'px';wireClickableStyle['-webkit-transform']=wireClickableStyle['-moz-transform']=wireClickableStyle['-ms-transform']=wireClickableStyle['-o-transform']=wireClickableStyle['transform']='rotate('+angle+'deg) translate(-'+this._thicknessClickable+'px, -'+this._thicknessClickable+'px)';}},{key:"setStartAndEnd",value:function setStartAndEnd(x1,y1,x2,y2){this._x1=x1;this._y1=y1;this._x2=x2;this._y2=y2;this._update();}},{key:"setColor",value:function setColor(color){this._color=color||"black";this._wire.style.border="solid "+this._thickness+"px "+this._color;}},{key:"setOpacity",value:function setOpacity(opacity){this._wire.style.opacity=opacity;}},{key:"_updateVisibility",value:function _updateVisibility(){this._wire.style.visibility=this._wireClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden";}},{key:"setVisible",value:function setVisible(visible){if(this._visible===visible){return;}this._visible=!!visible;this._updateVisibility();}},{key:"setCulled",value:function setCulled(culled){if(this._culled===culled){return;}this._culled=!!culled;this._updateVisibility();}},{key:"setClickable",value:function setClickable(clickable){this._wireClickable.style["pointer-events"]=clickable?"all":"none";}},{key:"setHighlighted",value:function setHighlighted(highlighted){if(this._highlighted===highlighted){return;}this._highlighted=!!highlighted;if(this._highlighted){this._wire.classList.add(this._highlightClass);}else{this._wire.classList.remove(this._highlightClass);}}},{key:"destroy",value:function destroy(visible){if(this._wire.parentElement){this._wire.parentElement.removeChild(this._wire);}if(this._wireClickable.parentElement){this._wireClickable.parentElement.removeChild(this._wireClickable);}}}]);return Wire;}();var tempVec3a$L=math.vec3();var tempVec4$1=math.vec4();/**
  * Given a view matrix and a relative-to-center (RTC) coordinate origin, returns a view matrix
  * to transform RTC coordinates to View-space.
@@ -3358,7 +3359,7 @@ var onCanvasTouchMove=function onCanvasTouchMove(event){var touch=_toConsumableA
      * Destroys this AngleMeasurementsPlugin.
      *
      * Destroys all {@link AngleMeasurement}s first.
-     */},{key:"destroy",value:function destroy(){this.clear();_get(_getPrototypeOf(AngleMeasurementsPlugin.prototype),"destroy",this).call(this);}}]);return AngleMeasurementsPlugin;}(Plugin);var WAITING_FOR_ORIGIN_TOUCH_START$1=0;var WAITING_FOR_ORIGIN_QUICK_TOUCH_END$1=1;var WAITING_FOR_ORIGIN_LONG_TOUCH_END$1=2;var WAITING_FOR_CORNER_TOUCH_START=3;var WAITING_FOR_CORNER_QUICK_TOUCH_END=4;var WAITING_FOR_CORNER_LONG_TOUCH_END=5;var WAITING_FOR_TARGET_TOUCH_START$1=6;var WAITING_FOR_TARGET_QUICK_TOUCH_END$1=7;var WAITING_FOR_TARGET_LONG_TOUCH_END$1=8;var TOUCH_CANCELING$1=7;/**
+     */},{key:"destroy",value:function destroy(){this.clear();_get(_getPrototypeOf(AngleMeasurementsPlugin.prototype),"destroy",this).call(this);}}]);return AngleMeasurementsPlugin;}(Plugin);var WAITING_FOR_ORIGIN_TOUCH_START$1=0;var WAITING_FOR_ORIGIN_QUICK_TOUCH_END$1=1;var WAITING_FOR_ORIGIN_LONG_TOUCH_END$1=2;var WAITING_FOR_CORNER_TOUCH_START=3;var WAITING_FOR_CORNER_QUICK_TOUCH_END=4;var WAITING_FOR_CORNER_LONG_TOUCH_END=5;var WAITING_FOR_TARGET_TOUCH_START$1=6;var WAITING_FOR_TARGET_QUICK_TOUCH_END$1=7;var WAITING_FOR_TARGET_LONG_TOUCH_END$1=8;var TOUCH_CANCELING$1=7;var tmpVec2$1=math.vec2();/**
  * Creates {@link AngleMeasurement}s from touch input.
  *
  * See {@link AngleMeasurementsPlugin} for more info.
@@ -3388,8 +3389,8 @@ var onCanvasTouchMove=function onCanvasTouchMove(event){var touch=_toConsumableA
      * @returns {boolean} Whether snap-to-vertex and snap-to-edge are enabled for this AngleMeasurementsMouseControl.
      */function get(){return this._snapping;}/**
      * Activates this AngleMeasurementsTouchControl, ready to respond to input.
-     */,set:function set(snapping){this._snapping=snapping;}},{key:"activate",value:function activate(){var _this28=this;if(this._active){return;}var plugin=this.plugin;var scene=this.scene;var canvas=scene.canvas.canvas;plugin.pointerLens;var pointerWorldPos=math.vec3();var touchTolerance=20;var longTouchTimeout=null;this._touchState=WAITING_FOR_ORIGIN_TOUCH_START$1;var touchStartCanvasPos=math.vec2();var touchMoveCanvasPos=math.vec2();var touchEndCanvasPos=math.vec2();var touchId=null;var disableCameraNavigation=function disableCameraNavigation(){_this28.plugin.viewer.cameraControl.active=false;};var enableCameraNavigation=function enableCameraNavigation(){_this28.plugin.viewer.cameraControl.active=true;};var cancel=function cancel(){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}if(_this28._currentAngleMeasurement){_this28._currentAngleMeasurement.destroy();_this28._currentAngleMeasurement=null;}enableCameraNavigation();_this28._touchState=WAITING_FOR_ORIGIN_TOUCH_START$1;};canvas.addEventListener("touchstart",this._onCanvasTouchStart=function(event){var currentNumTouches=event.touches.length;if(currentNumTouches!==1){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}return;}var touch=event.touches[0];var touchX=touch.clientX;var touchY=touch.clientY;touchStartCanvasPos.set([touchX,touchY]);touchMoveCanvasPos.set([touchX,touchY]);switch(_this28._touchState){case WAITING_FOR_ORIGIN_TOUCH_START$1:if(currentNumTouches!==1&&longTouchTimeout!==null){// Two or more fingers down
-cancel();return;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.snapped){pointerWorldPos.set(snapPickResult.worldPos);_this28.pointerCircle.start(snapPickResult.snappedCanvasPos);}else{var pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){pointerWorldPos.set(pickResult.worldPos);_this28.pointerCircle.start(pickResult.canvasPos);}else{return;}}longTouchTimeout=setTimeout(function(){if(currentNumTouches!==1||touchMoveCanvasPos[0]>touchStartCanvasPos[0]+touchTolerance||touchMoveCanvasPos[0]<touchStartCanvasPos[0]-touchTolerance||touchMoveCanvasPos[1]>touchStartCanvasPos[1]+touchTolerance||touchMoveCanvasPos[1]<touchStartCanvasPos[1]-touchTolerance){return;// Has moved
+     */,set:function set(snapping){this._snapping=snapping;}},{key:"activate",value:function activate(){var _this28=this;if(this._active){return;}var plugin=this.plugin;var scene=this.scene;var canvas=scene.canvas.canvas;plugin.pointerLens;var pointerWorldPos=math.vec3();var touchTolerance=20;var longTouchTimeout=null;this._touchState=WAITING_FOR_ORIGIN_TOUCH_START$1;var touchStartCanvasPos=math.vec2();var touchMoveCanvasPos=math.vec2();var touchEndCanvasPos=math.vec2();var touchId=null;var disableCameraNavigation=function disableCameraNavigation(){_this28.plugin.viewer.cameraControl.active=false;};var enableCameraNavigation=function enableCameraNavigation(){_this28.plugin.viewer.cameraControl.active=true;};var cancel=function cancel(){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}if(_this28._currentAngleMeasurement){_this28._currentAngleMeasurement.destroy();_this28._currentAngleMeasurement=null;}enableCameraNavigation();_this28._touchState=WAITING_FOR_ORIGIN_TOUCH_START$1;};var copyCanvasPos=function copyCanvasPos(event,dst){dst[0]=event.clientX;dst[1]=event.clientY;transformToNode(canvas.ownerDocument.documentElement,canvas,dst);return dst;};var toBodyPos=function toBodyPos(pos,dst){dst.set(pos);transformToNode(canvas,canvas.ownerDocument.documentElement,dst);return dst;};canvas.addEventListener("touchstart",this._onCanvasTouchStart=function(event){var currentNumTouches=event.touches.length;if(currentNumTouches!==1){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}return;}var touch=event.touches[0];copyCanvasPos(touch,touchStartCanvasPos);touchMoveCanvasPos.set(touchStartCanvasPos);switch(_this28._touchState){case WAITING_FOR_ORIGIN_TOUCH_START$1:if(currentNumTouches!==1&&longTouchTimeout!==null){// Two or more fingers down
+cancel();return;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.snapped){pointerWorldPos.set(snapPickResult.worldPos);_this28.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos,tmpVec2$1));}else{var pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){pointerWorldPos.set(pickResult.worldPos);_this28.pointerCircle.start(toBodyPos(pickResult.canvasPos,tmpVec2$1));}else{return;}}longTouchTimeout=setTimeout(function(){if(currentNumTouches!==1||touchMoveCanvasPos[0]>touchStartCanvasPos[0]+touchTolerance||touchMoveCanvasPos[0]<touchStartCanvasPos[0]-touchTolerance||touchMoveCanvasPos[1]>touchStartCanvasPos[1]+touchTolerance||touchMoveCanvasPos[1]<touchStartCanvasPos[1]-touchTolerance){return;// Has moved
 }// Long touch
 if(_this28.pointerLens){_this28.pointerLens.visible=true;_this28.pointerLens.canvasPos=touchStartCanvasPos;_this28.pointerLens.cursorPos=touchStartCanvasPos;}if(_this28.pointerLens){_this28.pointerLens.canvasPos=touchMoveCanvasPos;_this28.pointerLens.snapped=false;}if(_this28.pointerLens){_this28.pointerLens.cursorPos=snapPickResult.canvasPos;_this28.pointerLens.snapped=true;}// pointerWorldPos.set(snapPickResult.worldPos);
 if(!_this28._currentAngleMeasurement){_this28._currentAngleMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:snapPickResult.worldPos,entity:snapPickResult.entity},corner:{worldPos:snapPickResult.worldPos,entity:snapPickResult.entity},target:{worldPos:snapPickResult.worldPos,entity:snapPickResult.entity}});_this28._currentAngleMeasurement.clickable=false;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=false;_this28._currentAngleMeasurement.cornerVisible=false;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;}else{_this28._currentAngleMeasurement.origin.worldPos=pointerWorldPos;}_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);// if (this.pointerLens) {
@@ -3402,21 +3403,21 @@ touchId=touch.identifier;break;case WAITING_FOR_CORNER_TOUCH_START:if(currentNum
 clearTimeout(longTouchTimeout);longTouchTimeout=null;return;}if(currentNumTouches===1){// One finger down
 longTouchTimeout=setTimeout(function(){longTouchTimeout=null;if(currentNumTouches!==1||touchMoveCanvasPos[0]>touchStartCanvasPos[0]+touchTolerance||touchMoveCanvasPos[0]<touchStartCanvasPos[0]-touchTolerance||touchMoveCanvasPos[1]>touchStartCanvasPos[1]+touchTolerance||touchMoveCanvasPos[1]<touchStartCanvasPos[1]-touchTolerance){// Has moved
 return;}// Long touch
-if(_this28.pointerLens){_this28.pointerLens.visible=true;_this28.pointerLens.canvasPos=touchStartCanvasPos;_this28.pointerLens.snapped=false;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this28.pointerLens){_this28.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}_this28.pointerCircle.start(snapPickResult.snappedCanvasPos);pointerWorldPos.set(snapPickResult.worldPos);_this28._currentAngleMeasurement.corner.worldPos=snapPickResult.worldPos;_this28._currentAngleMeasurement.corner.entity=snapPickResult.entity;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);}else{var _pickResult2=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(_pickResult2&&_pickResult2.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=_pickResult2.canvasPos;_this28.pointerLens.snapped=false;}_this28.pointerCircle.start(_pickResult2.canvasPos);pointerWorldPos.set(_pickResult2.worldPos);_this28._currentAngleMeasurement.corner.worldPos=_pickResult2.worldPos;_this28._currentAngleMeasurement.corner.entity=_pickResult2.entity;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);}else{if(_this28.pointerLens){_this28.pointerLens.cursorPos=null;_this28.pointerLens.snapped=false;}}}_this28._touchState=WAITING_FOR_CORNER_LONG_TOUCH_END;// console.log("touchstart: this._touchState= WAITING_FOR_CORNER_TOUCH_START -> WAITING_FOR_CORNER_LONG_TOUCH_END")
+if(_this28.pointerLens){_this28.pointerLens.visible=true;_this28.pointerLens.canvasPos=touchStartCanvasPos;_this28.pointerLens.snapped=false;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this28.pointerLens){_this28.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}_this28.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos,tmpVec2$1));pointerWorldPos.set(snapPickResult.worldPos);_this28._currentAngleMeasurement.corner.worldPos=snapPickResult.worldPos;_this28._currentAngleMeasurement.corner.entity=snapPickResult.entity;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);}else{var _pickResult2=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(_pickResult2&&_pickResult2.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=_pickResult2.canvasPos;_this28.pointerLens.snapped=false;}_this28.pointerCircle.start(toBodyPos(_pickResult2.canvasPos,tmpVec2$1));pointerWorldPos.set(_pickResult2.worldPos);_this28._currentAngleMeasurement.corner.worldPos=_pickResult2.worldPos;_this28._currentAngleMeasurement.corner.entity=_pickResult2.entity;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);}else{if(_this28.pointerLens){_this28.pointerLens.cursorPos=null;_this28.pointerLens.snapped=false;}}}_this28._touchState=WAITING_FOR_CORNER_LONG_TOUCH_END;// console.log("touchstart: this._touchState= WAITING_FOR_CORNER_TOUCH_START -> WAITING_FOR_CORNER_LONG_TOUCH_END")
 disableCameraNavigation();},_this28._longTouchTimeoutMs);_this28._touchState=WAITING_FOR_CORNER_QUICK_TOUCH_END;//  console.log("touchstart: this._touchState= WAITING_FOR_CORNER_TOUCH_START -> WAITING_FOR_CORNER_QUICK_TOUCH_END")
 }touchId=touch.identifier;break;case WAITING_FOR_TARGET_TOUCH_START$1:if(currentNumTouches!==1&&longTouchTimeout!==null){// Two or more fingers down
 clearTimeout(longTouchTimeout);longTouchTimeout=null;return;}if(currentNumTouches===1){// One finger down
 longTouchTimeout=setTimeout(function(){longTouchTimeout=null;if(currentNumTouches!==1||touchMoveCanvasPos[0]>touchStartCanvasPos[0]+touchTolerance||touchMoveCanvasPos[0]<touchStartCanvasPos[0]-touchTolerance||touchMoveCanvasPos[1]>touchStartCanvasPos[1]+touchTolerance||touchMoveCanvasPos[1]<touchStartCanvasPos[1]-touchTolerance){// Has moved
 return;}// Long touch
-if(_this28.pointerLens){_this28.pointerLens.visible=true;_this28.pointerLens.canvasPos=touchStartCanvasPos;_this28.pointerLens.snapped=false;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this28.pointerLens){_this28.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}_this28.pointerCircle.start(snapPickResult.snappedCanvasPos);pointerWorldPos.set(snapPickResult.worldPos);_this28._currentAngleMeasurement.target.worldPos=snapPickResult.worldPos;_this28._currentAngleMeasurement.target.entity=snapPickResult.entity;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=true;_this28._currentAngleMeasurement.targetVisible=true;_this28._currentAngleMeasurement.targetWireVisible=true;_this28._currentAngleMeasurement.angleVisible=true;_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);}else{var _pickResult3=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(_pickResult3&&_pickResult3.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=_pickResult3.canvasPos;_this28.pointerLens.snapped=false;}_this28.pointerCircle.start(_pickResult3.canvasPos);pointerWorldPos.set(_pickResult3.worldPos);_this28._currentAngleMeasurement.target.worldPos=_pickResult3.worldPos;_this28._currentAngleMeasurement.target.entity=_pickResult3.entity;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=true;_this28._currentAngleMeasurement.targetVisible=true;_this28._currentAngleMeasurement.targetWireVisible=true;_this28._currentAngleMeasurement.angleVisible=true;_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);}else{if(_this28.pointerLens){_this28.pointerLens.cursorPos=null;_this28.pointerLens.snapped=false;}}}_this28._touchState=WAITING_FOR_TARGET_LONG_TOUCH_END$1;// console.log("touchstart: this._touchState= WAITING_FOR_TARGET_TOUCH_START -> WAITING_FOR_TARGET_LONG_TOUCH_END")
+if(_this28.pointerLens){_this28.pointerLens.visible=true;_this28.pointerLens.canvasPos=touchStartCanvasPos;_this28.pointerLens.snapped=false;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this28.pointerLens){_this28.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}_this28.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos,tmpVec2$1));pointerWorldPos.set(snapPickResult.worldPos);_this28._currentAngleMeasurement.target.worldPos=snapPickResult.worldPos;_this28._currentAngleMeasurement.target.entity=snapPickResult.entity;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=true;_this28._currentAngleMeasurement.targetVisible=true;_this28._currentAngleMeasurement.targetWireVisible=true;_this28._currentAngleMeasurement.angleVisible=true;_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);}else{var _pickResult3=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(_pickResult3&&_pickResult3.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=_pickResult3.canvasPos;_this28.pointerLens.snapped=false;}_this28.pointerCircle.start(toBodyPos(_pickResult3.canvasPos,tmpVec2$1));pointerWorldPos.set(_pickResult3.worldPos);_this28._currentAngleMeasurement.target.worldPos=_pickResult3.worldPos;_this28._currentAngleMeasurement.target.entity=_pickResult3.entity;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=true;_this28._currentAngleMeasurement.targetVisible=true;_this28._currentAngleMeasurement.targetWireVisible=true;_this28._currentAngleMeasurement.angleVisible=true;_this28.angleMeasurementsPlugin.fire("measurementStart",_this28._currentAngleMeasurement);}else{if(_this28.pointerLens){_this28.pointerLens.cursorPos=null;_this28.pointerLens.snapped=false;}}}_this28._touchState=WAITING_FOR_TARGET_LONG_TOUCH_END$1;// console.log("touchstart: this._touchState= WAITING_FOR_TARGET_TOUCH_START -> WAITING_FOR_TARGET_LONG_TOUCH_END")
 disableCameraNavigation();},_this28._longTouchTimeoutMs);_this28._touchState=WAITING_FOR_TARGET_QUICK_TOUCH_END$1;// console.log("touchstart: this._touchState= WAITING_FOR_TARGET_TOUCH_START -> WAITING_FOR_TARGET_QUICK_TOUCH_END")
 }touchId=touch.identifier;break;default:if(longTouchTimeout!==null){clearTimeout(longTouchTimeout);longTouchTimeout=null;}_this28._touchState=TOUCH_CANCELING$1;//  console.log("touchstart: this._touchState= default -> TOUCH_CANCELING")
-return;}},{passive:true});canvas.addEventListener("touchmove",function(event){_this28.pointerCircle.stop();var currentNumTouches=event.touches.length;if(currentNumTouches!==1||event.changedTouches.length!==1){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}return;}var touch=event.touches[0];var touchX=touch.clientX;var touchY=touch.clientY;if(touch.identifier!==touchId){return;}touchMoveCanvasPos.set([touchX,touchY]);var snapPickResult;var pickResult;switch(_this28._touchState){case WAITING_FOR_ORIGIN_LONG_TOUCH_END$1:if(_this28.pointerLens){_this28.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this28.pointerLens){_this28.pointerLens.snappedCanvasPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}pointerWorldPos.set(snapPickResult.worldPos);_this28._currentAngleMeasurement.origin.worldPos=snapPickResult.worldPos;}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=pickResult.canvasPos;_this28.pointerLens.snapped=false;}pointerWorldPos.set(pickResult.worldPos);_this28._currentAngleMeasurement.origin.worldPos=pickResult.worldPos;}else{if(_this28.pointerLens){_this28.pointerLens.cursorPos=null;_this28.pointerLens.snapped=false;}}}_this28._touchState=WAITING_FOR_ORIGIN_LONG_TOUCH_END$1;// console.log("touchmove: this._touchState= WAITING_FOR_ORIGIN_LONG_TOUCH_END -> WAITING_FOR_ORIGIN_LONG_TOUCH_END")
+return;}},{passive:true});canvas.addEventListener("touchmove",function(event){_this28.pointerCircle.stop();var currentNumTouches=event.touches.length;if(currentNumTouches!==1||event.changedTouches.length!==1){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}return;}var touch=event.touches[0];if(touch.identifier!==touchId){return;}copyCanvasPos(touch,touchMoveCanvasPos);var snapPickResult;var pickResult;switch(_this28._touchState){case WAITING_FOR_ORIGIN_LONG_TOUCH_END$1:if(_this28.pointerLens){_this28.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this28.pointerLens){_this28.pointerLens.snappedCanvasPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}pointerWorldPos.set(snapPickResult.worldPos);_this28._currentAngleMeasurement.origin.worldPos=snapPickResult.worldPos;}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=pickResult.canvasPos;_this28.pointerLens.snapped=false;}pointerWorldPos.set(pickResult.worldPos);_this28._currentAngleMeasurement.origin.worldPos=pickResult.worldPos;}else{if(_this28.pointerLens){_this28.pointerLens.cursorPos=null;_this28.pointerLens.snapped=false;}}}_this28._touchState=WAITING_FOR_ORIGIN_LONG_TOUCH_END$1;// console.log("touchmove: this._touchState= WAITING_FOR_ORIGIN_LONG_TOUCH_END -> WAITING_FOR_ORIGIN_LONG_TOUCH_END")
 break;case WAITING_FOR_CORNER_LONG_TOUCH_END:if(currentNumTouches!==1&&longTouchTimeout!==null){// Two or more fingers down
 clearTimeout(longTouchTimeout);longTouchTimeout=null;if(_this28.pointerLens){_this28.pointerLens.visible=false;}_this28._touchState=TOUCH_CANCELING$1;//   console.log("touchmove: this._touchState= QUICK_TOUCH_FINDING_CORNER -> TOUCH_CANCELING")
 return;}if(_this28.pointerLens){_this28.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}_this28._currentAngleMeasurement.corner.worldPos=snapPickResult.worldPos;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=pickResult.canvasPos;_this28.pointerLens.snapped=false;}_this28._currentAngleMeasurement.corner.worldPos=pickResult.worldPos;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;}}_this28._touchState=WAITING_FOR_CORNER_LONG_TOUCH_END;break;case WAITING_FOR_TARGET_LONG_TOUCH_END$1:if(currentNumTouches!==1&&longTouchTimeout!==null){// Two or more fingers down
 clearTimeout(longTouchTimeout);longTouchTimeout=null;if(_this28.pointerLens){_this28.pointerLens.visible=false;}_this28._touchState=TOUCH_CANCELING$1;//  console.log("touchmove: this._touchState= QUICK_TOUCH_FINDING_TARGET -> TOUCH_CANCELING")
-return;}if(_this28.pointerLens){_this28.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}_this28._currentAngleMeasurement.target.worldPos=snapPickResult.worldPos;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=true;_this28._currentAngleMeasurement.targetVisible=true;_this28._currentAngleMeasurement.targetWireVisible=true;_this28._currentAngleMeasurement.angleVisible=true;}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=pickResult.canvasPos;_this28.pointerLens.snapped=false;}_this28._currentAngleMeasurement.target.worldPos=pickResult.worldPos;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=true;_this28._currentAngleMeasurement.targetVisible=true;_this28._currentAngleMeasurement.targetWireVisible=true;_this28._currentAngleMeasurement.angleVisible=true;}}_this28._touchState=WAITING_FOR_TARGET_LONG_TOUCH_END$1;break;}},{passive:true});canvas.addEventListener("touchend",this._onCanvasTouchEnd=function(event){_this28.pointerCircle.stop();var numChangedTouches=event.changedTouches.length;if(numChangedTouches!==1){return;}var touch=event.changedTouches[0];var touchX=touch.clientX;var touchY=touch.clientY;if(touch.identifier!==touchId){return;}if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}touchEndCanvasPos.set([touchX,touchY]);switch(_this28._touchState){case WAITING_FOR_ORIGIN_QUICK_TOUCH_END$1:{if(numChangedTouches!==1||touchX>touchStartCanvasPos[0]+touchTolerance||touchX<touchStartCanvasPos[0]-touchTolerance||touchY>touchStartCanvasPos[1]+touchTolerance||touchY<touchStartCanvasPos[1]-touchTolerance){_this28._touchState=WAITING_FOR_ORIGIN_TOUCH_START$1;return;}var pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){_this28._currentAngleMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:pickResult.worldPos},corner:{worldPos:pickResult.worldPos},target:{worldPos:pickResult.worldPos}});_this28._currentAngleMeasurement.clickable=false;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=false;_this28._currentAngleMeasurement.cornerVisible=false;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;_this28._touchState=WAITING_FOR_CORNER_TOUCH_START;//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_QUICK_TOUCH_END -> WAITING_FOR_CORNER_TOUCH_START")
+return;}if(_this28.pointerLens){_this28.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this28._snapping,snapToEdge:_this28._snapping});if(snapPickResult&&snapPickResult.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this28.pointerLens.snapped=true;}_this28._currentAngleMeasurement.target.worldPos=snapPickResult.worldPos;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=true;_this28._currentAngleMeasurement.targetVisible=true;_this28._currentAngleMeasurement.targetWireVisible=true;_this28._currentAngleMeasurement.angleVisible=true;}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this28.pointerLens){_this28.pointerLens.cursorPos=pickResult.canvasPos;_this28.pointerLens.snapped=false;}_this28._currentAngleMeasurement.target.worldPos=pickResult.worldPos;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=true;_this28._currentAngleMeasurement.cornerVisible=true;_this28._currentAngleMeasurement.cornerWireVisible=true;_this28._currentAngleMeasurement.targetVisible=true;_this28._currentAngleMeasurement.targetWireVisible=true;_this28._currentAngleMeasurement.angleVisible=true;}}_this28._touchState=WAITING_FOR_TARGET_LONG_TOUCH_END$1;break;}},{passive:true});canvas.addEventListener("touchend",this._onCanvasTouchEnd=function(event){_this28.pointerCircle.stop();var numChangedTouches=event.changedTouches.length;if(numChangedTouches!==1){return;}var touch=event.changedTouches[0];if(touch.identifier!==touchId){return;}if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}copyCanvasPos(touch,touchEndCanvasPos);var touchX=touchEndCanvasPos[0];var touchY=touchEndCanvasPos[1];switch(_this28._touchState){case WAITING_FOR_ORIGIN_QUICK_TOUCH_END$1:{if(numChangedTouches!==1||touchX>touchStartCanvasPos[0]+touchTolerance||touchX<touchStartCanvasPos[0]-touchTolerance||touchY>touchStartCanvasPos[1]+touchTolerance||touchY<touchStartCanvasPos[1]-touchTolerance){_this28._touchState=WAITING_FOR_ORIGIN_TOUCH_START$1;return;}var pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){_this28._currentAngleMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:pickResult.worldPos},corner:{worldPos:pickResult.worldPos},target:{worldPos:pickResult.worldPos}});_this28._currentAngleMeasurement.clickable=false;_this28._currentAngleMeasurement.originVisible=true;_this28._currentAngleMeasurement.originWireVisible=false;_this28._currentAngleMeasurement.cornerVisible=false;_this28._currentAngleMeasurement.cornerWireVisible=false;_this28._currentAngleMeasurement.targetVisible=false;_this28._currentAngleMeasurement.targetWireVisible=false;_this28._currentAngleMeasurement.angleVisible=false;_this28._touchState=WAITING_FOR_CORNER_TOUCH_START;//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_QUICK_TOUCH_END -> WAITING_FOR_CORNER_TOUCH_START")
 }else{if(_this28._currentAngleMeasurement){_this28._currentAngleMeasurement.destroy();_this28._currentAngleMeasurement=null;}_this28._touchState=WAITING_FOR_ORIGIN_TOUCH_START$1;//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_QUICK_TOUCH_END -> WAITING_FOR_ORIGIN_TOUCH_START")
 }}enableCameraNavigation();break;case WAITING_FOR_ORIGIN_LONG_TOUCH_END$1:if(_this28.pointerLens){_this28.pointerLens.visible=false;}if(!_this28._currentAngleMeasurement){if(_this28.pointerLens){_this28.pointerLens.snapped=false;_this28.pointerLens.visible=false;}_this28._touchState=WAITING_FOR_ORIGIN_TOUCH_START$1;//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_LONG_TOUCH_END (no measurement) -> WAITING_FOR_ORIGIN_TOUCH_START")
 }else{_this28._touchState=WAITING_FOR_CORNER_TOUCH_START;// console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_LONG_TOUCH_END (picked, begin measurement) -> WAITING_FOR_CORNER_TOUCH_START")
@@ -3491,7 +3492,7 @@ return pickResult&&pickResult.worldPos?pickResult.worldPos:snap&&tryPickWorldPos
          */_this30.projection=cfg.projection;return _this30;}/**
      * @private
      */_createClass(Annotation,[{key:"_buildHTML",value:function _buildHTML(){var _this31=this;if(!this._markerExternal){if(this._marker){this._container.removeChild(this._marker);this._marker=null;}var markerHTML=this._markerHTML||"<p></p>";// Make marker
-if(utils.isArray(markerHTML)){markerHTML=markerHTML.join("");}markerHTML=this._renderTemplate(markerHTML.trim());var markerFragment=document.createRange().createContextualFragment(markerHTML);this._marker=markerFragment.firstChild;this._container.appendChild(this._marker);this._marker.style.visibility=this._markerShown?"visible":"hidden";this._marker.addEventListener("click",function(){_this31.plugin.fire("markerClicked",_this31);});addContextMenuListener(this._marker,function(e){e.preventDefault();_this31.plugin.fire("contextmenu",_this31);});this._marker.addEventListener("mouseenter",function(){_this31.plugin.fire("markerMouseEnter",_this31);});this._marker.addEventListener("mouseleave",function(){_this31.plugin.fire("markerMouseLeave",_this31);});this._marker.addEventListener('wheel',function(event){_this31.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent('wheel',event));});}if(!this._labelExternal){if(this._label){this._container.removeChild(this._label);this._label=null;}var labelHTML=this._labelHTML||"<p></p>";// Make label
+if(utils.isArray(markerHTML)){markerHTML=markerHTML.join("");}markerHTML=this._renderTemplate(markerHTML.trim());var markerFragment=document.createRange().createContextualFragment(markerHTML);this._marker=markerFragment.firstChild;this._container.appendChild(this._marker);this._marker.style.visibility=this._markerShown?"visible":"hidden";this._marker.addEventListener("click",function(){_this31.plugin.fire("markerClicked",_this31);});addContextMenuListener(this._marker,function(e){e.preventDefault();_this31.plugin.fire("contextmenu",_this31);},function(e){e.preventDefault();_this31.plugin.fire("markerClicked",_this31);});this._marker.addEventListener("mouseenter",function(){_this31.plugin.fire("markerMouseEnter",_this31);});this._marker.addEventListener("mouseleave",function(){_this31.plugin.fire("markerMouseLeave",_this31);});this._marker.addEventListener('wheel',function(event){_this31.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent('wheel',event));});}if(!this._labelExternal){if(this._label){this._container.removeChild(this._label);this._label=null;}var labelHTML=this._labelHTML||"<p></p>";// Make label
 if(utils.isArray(labelHTML)){labelHTML=labelHTML.join("");}labelHTML=this._renderTemplate(labelHTML.trim());var labelFragment=document.createRange().createContextualFragment(labelHTML);this._label=labelFragment.firstChild;this._container.appendChild(this._label);this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden";this._label.addEventListener('wheel',function(event){_this31.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent('wheel',event));});}}/**
      * @private
      */},{key:"_updatePosition",value:function _updatePosition(){var px=function px(x){return x+"px";};var boundary=this.scene.canvas.boundary;var left=boundary[0]+this.canvasPos[0];var top=boundary[1]+this.canvasPos[1];var markerRect=this._marker.getBoundingClientRect();var markerWidth=markerRect.width;var markerDir=this._markerAlign==="right"?-1:this._markerAlign==="center"?0:1;var markerCenter=left+markerDir*(markerWidth/2-12);this._marker.style.left=px(markerCenter-markerWidth/2);this._marker.style.top=px(top-12);this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;var labelRect=this._label.getBoundingClientRect();var labelWidth=labelRect.width;var labelDir=Math.sign(this._labelPosition);this._label.style.left=px(markerCenter+labelDir*(markerWidth/2+Math.abs(this._labelPosition)+labelWidth/2)-labelWidth/2);this._label.style.top=px(top-17);this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;}/**
@@ -13184,8 +13185,8 @@ if(p===UnsignedInt248Type){return gl.UNSIGNED_INT_24_8;}if(p===RepeatWrapping){r
  * @desc A low-level component that represents a 2D WebGL texture.
  *
  * @private
- */var Texture2D=/*#__PURE__*/function(){function Texture2D(_ref4){var gl=_ref4.gl,target=_ref4.target,format=_ref4.format,type=_ref4.type,wrapS=_ref4.wrapS,wrapT=_ref4.wrapT,wrapR=_ref4.wrapR,encoding=_ref4.encoding,preloadColor=_ref4.preloadColor,premultiplyAlpha=_ref4.premultiplyAlpha,flipY=_ref4.flipY;_classCallCheck(this,Texture2D);this.gl=gl;this.target=target||gl.TEXTURE_2D;this.format=format||RGBAFormat;this.type=type||UnsignedByteType;this.internalFormat=null;this.premultiplyAlpha=!!premultiplyAlpha;this.flipY=!!flipY;this.unpackAlignment=4;this.wrapS=wrapS||RepeatWrapping;this.wrapT=wrapT||RepeatWrapping;this.wrapR=wrapR||RepeatWrapping;this.encoding=encoding||sRGBEncoding;this.texture=gl.createTexture();if(preloadColor){this.setPreloadColor(preloadColor);// Prevents "there is no texture bound to the unit 0" error
-}this.allocated=true;}_createClass(Texture2D,[{key:"setPreloadColor",value:function setPreloadColor(value){if(!value){color$4[0]=0;color$4[1]=0;color$4[2]=0;color$4[3]=255;}else{color$4[0]=Math.floor(value[0]*255);color$4[1]=Math.floor(value[1]*255);color$4[2]=Math.floor(value[2]*255);color$4[3]=Math.floor((value[3]!==undefined?value[3]:1)*255);}var gl=this.gl;gl.bindTexture(this.target,this.texture);if(this.target===gl.TEXTURE_CUBE_MAP){var faces=[gl.TEXTURE_CUBE_MAP_POSITIVE_X,gl.TEXTURE_CUBE_MAP_NEGATIVE_X,gl.TEXTURE_CUBE_MAP_POSITIVE_Y,gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,gl.TEXTURE_CUBE_MAP_POSITIVE_Z,gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(var _i154=0,len=faces.length;_i154<len;_i154++){gl.texImage2D(faces[_i154],0,gl.RGBA,1,1,0,gl.RGBA,gl.UNSIGNED_BYTE,color$4);}}else{gl.texImage2D(this.target,0,gl.RGBA,1,1,0,gl.RGBA,gl.UNSIGNED_BYTE,color$4);}gl.bindTexture(this.target,null);}},{key:"setTarget",value:function setTarget(target){this.target=target||this.gl.TEXTURE_2D;}},{key:"setImage",value:function setImage(image){var props=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var gl=this.gl;if(props.format!==undefined){this.format=props.format;}if(props.internalFormat!==undefined){this.internalFormat=props.internalFormat;}if(props.encoding!==undefined){this.encoding=props.encoding;}if(props.type!==undefined){this.type=props.type;}if(props.flipY!==undefined){this.flipY=props.flipY;}if(props.premultiplyAlpha!==undefined){this.premultiplyAlpha=props.premultiplyAlpha;}if(props.unpackAlignment!==undefined){this.unpackAlignment=props.unpackAlignment;}if(props.minFilter!==undefined){this.minFilter=props.minFilter;}if(props.magFilter!==undefined){this.magFilter=props.magFilter;}if(props.wrapS!==undefined){this.wrapS=props.wrapS;}if(props.wrapT!==undefined){this.wrapT=props.wrapT;}if(props.wrapR!==undefined){this.wrapR=props.wrapR;}var generateMipMap=false;gl.bindTexture(this.target,this.texture);var bak1=gl.getParameter(gl.UNPACK_FLIP_Y_WEBGL);gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL,this.flipY);var bak2=gl.getParameter(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL);gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);var bak3=gl.getParameter(gl.UNPACK_ALIGNMENT);gl.pixelStorei(gl.UNPACK_ALIGNMENT,this.unpackAlignment);var bak4=gl.getParameter(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL);gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL,gl.NONE);var minFilter=convertConstant(gl,this.minFilter);gl.texParameteri(this.target,gl.TEXTURE_MIN_FILTER,minFilter);if(minFilter===gl.NEAREST_MIPMAP_NEAREST||minFilter===gl.LINEAR_MIPMAP_NEAREST||minFilter===gl.NEAREST_MIPMAP_LINEAR||minFilter===gl.LINEAR_MIPMAP_LINEAR){generateMipMap=true;}var magFilter=convertConstant(gl,this.magFilter);if(magFilter){gl.texParameteri(this.target,gl.TEXTURE_MAG_FILTER,magFilter);}var wrapS=convertConstant(gl,this.wrapS);if(wrapS){gl.texParameteri(this.target,gl.TEXTURE_WRAP_S,wrapS);}var wrapT=convertConstant(gl,this.wrapT);if(wrapT){gl.texParameteri(this.target,gl.TEXTURE_WRAP_T,wrapT);}var glFormat=convertConstant(gl,this.format,this.encoding);var glType=convertConstant(gl,this.type);var glInternalFormat=getInternalFormat(gl,this.internalFormat,glFormat,glType,this.encoding,false);if(this.target===gl.TEXTURE_CUBE_MAP){if(utils.isArray(image)){var images=image;var faces=[gl.TEXTURE_CUBE_MAP_POSITIVE_X,gl.TEXTURE_CUBE_MAP_NEGATIVE_X,gl.TEXTURE_CUBE_MAP_POSITIVE_Y,gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,gl.TEXTURE_CUBE_MAP_POSITIVE_Z,gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(var _i155=0,len=faces.length;_i155<len;_i155++){gl.texImage2D(faces[_i155],0,glInternalFormat,glFormat,glType,images[_i155]);}}}else{gl.texImage2D(gl.TEXTURE_2D,0,glInternalFormat,glFormat,glType,image);}if(generateMipMap){gl.generateMipmap(this.target);}gl.bindTexture(this.target,null);gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL,bak1);gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,bak2);gl.pixelStorei(gl.UNPACK_ALIGNMENT,bak3);gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL,bak4);}},{key:"setCompressedData",value:function setCompressedData(_ref5){var mipmaps=_ref5.mipmaps,_ref5$props=_ref5.props,props=_ref5$props===void 0?{}:_ref5$props;var gl=this.gl;var levels=mipmaps.length;// Cache props
+ */var Texture2D=/*#__PURE__*/function(){function Texture2D(_ref6){var gl=_ref6.gl,target=_ref6.target,format=_ref6.format,type=_ref6.type,wrapS=_ref6.wrapS,wrapT=_ref6.wrapT,wrapR=_ref6.wrapR,encoding=_ref6.encoding,preloadColor=_ref6.preloadColor,premultiplyAlpha=_ref6.premultiplyAlpha,flipY=_ref6.flipY;_classCallCheck(this,Texture2D);this.gl=gl;this.target=target||gl.TEXTURE_2D;this.format=format||RGBAFormat;this.type=type||UnsignedByteType;this.internalFormat=null;this.premultiplyAlpha=!!premultiplyAlpha;this.flipY=!!flipY;this.unpackAlignment=4;this.wrapS=wrapS||RepeatWrapping;this.wrapT=wrapT||RepeatWrapping;this.wrapR=wrapR||RepeatWrapping;this.encoding=encoding||sRGBEncoding;this.texture=gl.createTexture();if(preloadColor){this.setPreloadColor(preloadColor);// Prevents "there is no texture bound to the unit 0" error
+}this.allocated=true;}_createClass(Texture2D,[{key:"setPreloadColor",value:function setPreloadColor(value){if(!value){color$4[0]=0;color$4[1]=0;color$4[2]=0;color$4[3]=255;}else{color$4[0]=Math.floor(value[0]*255);color$4[1]=Math.floor(value[1]*255);color$4[2]=Math.floor(value[2]*255);color$4[3]=Math.floor((value[3]!==undefined?value[3]:1)*255);}var gl=this.gl;gl.bindTexture(this.target,this.texture);if(this.target===gl.TEXTURE_CUBE_MAP){var faces=[gl.TEXTURE_CUBE_MAP_POSITIVE_X,gl.TEXTURE_CUBE_MAP_NEGATIVE_X,gl.TEXTURE_CUBE_MAP_POSITIVE_Y,gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,gl.TEXTURE_CUBE_MAP_POSITIVE_Z,gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(var _i154=0,len=faces.length;_i154<len;_i154++){gl.texImage2D(faces[_i154],0,gl.RGBA,1,1,0,gl.RGBA,gl.UNSIGNED_BYTE,color$4);}}else{gl.texImage2D(this.target,0,gl.RGBA,1,1,0,gl.RGBA,gl.UNSIGNED_BYTE,color$4);}gl.bindTexture(this.target,null);}},{key:"setTarget",value:function setTarget(target){this.target=target||this.gl.TEXTURE_2D;}},{key:"setImage",value:function setImage(image){var props=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var gl=this.gl;if(props.format!==undefined){this.format=props.format;}if(props.internalFormat!==undefined){this.internalFormat=props.internalFormat;}if(props.encoding!==undefined){this.encoding=props.encoding;}if(props.type!==undefined){this.type=props.type;}if(props.flipY!==undefined){this.flipY=props.flipY;}if(props.premultiplyAlpha!==undefined){this.premultiplyAlpha=props.premultiplyAlpha;}if(props.unpackAlignment!==undefined){this.unpackAlignment=props.unpackAlignment;}if(props.minFilter!==undefined){this.minFilter=props.minFilter;}if(props.magFilter!==undefined){this.magFilter=props.magFilter;}if(props.wrapS!==undefined){this.wrapS=props.wrapS;}if(props.wrapT!==undefined){this.wrapT=props.wrapT;}if(props.wrapR!==undefined){this.wrapR=props.wrapR;}var generateMipMap=false;gl.bindTexture(this.target,this.texture);var bak1=gl.getParameter(gl.UNPACK_FLIP_Y_WEBGL);gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL,this.flipY);var bak2=gl.getParameter(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL);gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);var bak3=gl.getParameter(gl.UNPACK_ALIGNMENT);gl.pixelStorei(gl.UNPACK_ALIGNMENT,this.unpackAlignment);var bak4=gl.getParameter(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL);gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL,gl.NONE);var minFilter=convertConstant(gl,this.minFilter);gl.texParameteri(this.target,gl.TEXTURE_MIN_FILTER,minFilter);if(minFilter===gl.NEAREST_MIPMAP_NEAREST||minFilter===gl.LINEAR_MIPMAP_NEAREST||minFilter===gl.NEAREST_MIPMAP_LINEAR||minFilter===gl.LINEAR_MIPMAP_LINEAR){generateMipMap=true;}var magFilter=convertConstant(gl,this.magFilter);if(magFilter){gl.texParameteri(this.target,gl.TEXTURE_MAG_FILTER,magFilter);}var wrapS=convertConstant(gl,this.wrapS);if(wrapS){gl.texParameteri(this.target,gl.TEXTURE_WRAP_S,wrapS);}var wrapT=convertConstant(gl,this.wrapT);if(wrapT){gl.texParameteri(this.target,gl.TEXTURE_WRAP_T,wrapT);}var glFormat=convertConstant(gl,this.format,this.encoding);var glType=convertConstant(gl,this.type);var glInternalFormat=getInternalFormat(gl,this.internalFormat,glFormat,glType,this.encoding,false);if(this.target===gl.TEXTURE_CUBE_MAP){if(utils.isArray(image)){var images=image;var faces=[gl.TEXTURE_CUBE_MAP_POSITIVE_X,gl.TEXTURE_CUBE_MAP_NEGATIVE_X,gl.TEXTURE_CUBE_MAP_POSITIVE_Y,gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,gl.TEXTURE_CUBE_MAP_POSITIVE_Z,gl.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(var _i155=0,len=faces.length;_i155<len;_i155++){gl.texImage2D(faces[_i155],0,glInternalFormat,glFormat,glType,images[_i155]);}}}else{gl.texImage2D(gl.TEXTURE_2D,0,glInternalFormat,glFormat,glType,image);}if(generateMipMap){gl.generateMipmap(this.target);}gl.bindTexture(this.target,null);gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL,bak1);gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,bak2);gl.pixelStorei(gl.UNPACK_ALIGNMENT,bak3);gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL,bak4);}},{key:"setCompressedData",value:function setCompressedData(_ref7){var mipmaps=_ref7.mipmaps,_ref7$props=_ref7.props,props=_ref7$props===void 0?{}:_ref7$props;var gl=this.gl;var levels=mipmaps.length;// Cache props
 if(props.format!==undefined){this.format=props.format;}if(props.internalFormat!==undefined){this.internalFormat=props.internalFormat;}if(props.encoding!==undefined){this.encoding=props.encoding;}if(props.type!==undefined){this.type=props.type;}if(props.flipY!==undefined){this.flipY=props.flipY;}if(props.premultiplyAlpha!==undefined){this.premultiplyAlpha=props.premultiplyAlpha;}if(props.unpackAlignment!==undefined){this.unpackAlignment=props.unpackAlignment;}if(props.minFilter!==undefined){this.minFilter=props.minFilter;}if(props.magFilter!==undefined){this.magFilter=props.magFilter;}if(props.wrapS!==undefined){this.wrapS=props.wrapS;}if(props.wrapT!==undefined){this.wrapT=props.wrapT;}if(props.wrapR!==undefined){this.wrapR=props.wrapR;}gl.activeTexture(gl.TEXTURE0+0);gl.bindTexture(this.target,this.texture);var supportsMips=mipmaps.length>1;gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL,this.flipY);gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);gl.pixelStorei(gl.UNPACK_ALIGNMENT,this.unpackAlignment);gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL,gl.NONE);var wrapS=convertConstant(gl,this.wrapS);if(wrapS){gl.texParameteri(this.target,gl.TEXTURE_WRAP_S,wrapS);}var wrapT=convertConstant(gl,this.wrapT);if(wrapT){gl.texParameteri(this.target,gl.TEXTURE_WRAP_T,wrapT);}if(this.type===gl.TEXTURE_3D||this.type===gl.TEXTURE_2D_ARRAY){var wrapR=convertConstant(gl,this.wrapR);if(wrapR){gl.texParameteri(this.target,gl.TEXTURE_WRAP_R,wrapR);}gl.texParameteri(this.type,gl.TEXTURE_WRAP_R,wrapR);}if(supportsMips){gl.texParameteri(this.target,gl.TEXTURE_MIN_FILTER,filterFallback(gl,this.minFilter));gl.texParameteri(this.target,gl.TEXTURE_MAG_FILTER,filterFallback(gl,this.magFilter));}else{gl.texParameteri(this.target,gl.TEXTURE_MIN_FILTER,convertConstant(gl,this.minFilter));gl.texParameteri(this.target,gl.TEXTURE_MAG_FILTER,convertConstant(gl,this.magFilter));}var glFormat=convertConstant(gl,this.format,this.encoding);var glType=convertConstant(gl,this.type);var glInternalFormat=getInternalFormat(gl,this.internalFormat,glFormat,glType,this.encoding,false);gl.texStorage2D(gl.TEXTURE_2D,levels,glInternalFormat,mipmaps[0].width,mipmaps[0].height);for(var _i156=0,len=mipmaps.length;_i156<len;_i156++){var mipmap=mipmaps[_i156];if(this.format!==RGBAFormat){if(glFormat!==null){gl.compressedTexSubImage2D(gl.TEXTURE_2D,_i156,0,0,mipmap.width,mipmap.height,glFormat,mipmap.data);}else{console.warn('Attempt to load unsupported compressed texture format in .setCompressedData()');}}else{gl.texSubImage2D(gl.TEXTURE_2D,_i156,0,0,mipmap.width,mipmap.height,glFormat,glType,mipmap.data);}}//    if (generateMipMap) {
 // //       gl.generateMipmap(this.target); // Only for roughness textures?
 //    }
@@ -14843,7 +14844,7 @@ SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,// Edges rend
 EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,// Picking
 PICK:11};var defaultColor$2=new Float32Array([1,1,1,1]);var edgesDefaultColor=new Float32Array([0,0,0,1]);var tempVec4=math.vec4();var tempVec3a$C=math.vec3();var tempVec3c$t=math.vec3();var tempMat4a$r=math.mat4();/**
  * @private
- */var VBORenderer=/*#__PURE__*/function(){function VBORenderer(scene){var withSAO=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;var _ref6=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{},_ref6$instancing=_ref6.instancing,instancing=_ref6$instancing===void 0?false:_ref6$instancing,_ref6$edges=_ref6.edges,edges=_ref6$edges===void 0?false:_ref6$edges,_ref6$useAlphaCutoff=_ref6.useAlphaCutoff,useAlphaCutoff=_ref6$useAlphaCutoff===void 0?false:_ref6$useAlphaCutoff;_classCallCheck(this,VBORenderer);this._scene=scene;this._withSAO=withSAO;this._instancing=instancing;this._edges=edges;this._useAlphaCutoff=useAlphaCutoff;this._hash=this._getHash();/**
+ */var VBORenderer=/*#__PURE__*/function(){function VBORenderer(scene){var withSAO=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;var _ref8=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{},_ref8$instancing=_ref8.instancing,instancing=_ref8$instancing===void 0?false:_ref8$instancing,_ref8$edges=_ref8.edges,edges=_ref8$edges===void 0?false:_ref8$edges,_ref8$useAlphaCutoff=_ref8.useAlphaCutoff,useAlphaCutoff=_ref8$useAlphaCutoff===void 0?false:_ref8$useAlphaCutoff;_classCallCheck(this,VBORenderer);this._scene=scene;this._withSAO=withSAO;this._instancing=instancing;this._edges=edges;this._useAlphaCutoff=useAlphaCutoff;this._hash=this._getHash();/**
          * Matrices Uniform Block Buffer
          *
          * In shaders, matrices in the Matrices Uniform Block MUST be set in this order:
@@ -14861,10 +14862,10 @@ PICK:11};var defaultColor$2=new Float32Array([1,1,1,1]);var edgesDefaultColor=ne
      * @returns { string }
      */_createClass(VBORenderer,[{key:"_getHash",value:function _getHash(){return this._scene._sectionPlanesState.getHash();}},{key:"_buildShader",value:function _buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()};}},{key:"_buildVertexShader",value:function _buildVertexShader(){return[""];}},{key:"_buildFragmentShader",value:function _buildFragmentShader(){return[""];}},{key:"_addMatricesUniformBlockLines",value:function _addMatricesUniformBlockLines(src){var normals=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;src.push("uniform Matrices {");src.push("    mat4 worldMatrix;");src.push("    mat4 viewMatrix;");src.push("    mat4 projMatrix;");src.push("    mat4 positionsDecodeMatrix;");if(normals){src.push("    mat4 worldNormalMatrix;");src.push("    mat4 viewNormalMatrix;");}src.push("};");return src;}},{key:"_addRemapClipPosLines",value:function _addRemapClipPosLines(src){var viewportSize=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;src.push("uniform vec2 drawingBufferSize;");src.push("uniform vec2 pickClipPos;");src.push("vec4 remapClipPos(vec4 clipPos) {");src.push("    clipPos.xy /= clipPos.w;");if(viewportSize===1){src.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;");}else{src.push("    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(".concat(viewportSize,"));"));}src.push("    clipPos.xy *= clipPos.w;");src.push("    return clipPos;");src.push("}");return src;}},{key:"getValid",value:function getValid(){return this._hash===this._getHash();}},{key:"setSectionPlanesStateUniforms",value:function setSectionPlanesStateUniforms(layer){var scene=this._scene;var gl=scene.canvas.gl;var model=layer.model,layerIndex=layer.layerIndex;var numAllocatedSectionPlanes=scene._sectionPlanesState.getNumAllocatedSectionPlanes();var numSectionPlanes=scene._sectionPlanesState.sectionPlanes.length;if(numAllocatedSectionPlanes>0){var sectionPlanes=scene._sectionPlanesState.sectionPlanes;var baseIndex=layerIndex*numSectionPlanes;var renderFlags=model.renderFlags;if(scene.crossSections){gl.uniform4fv(this._uSliceColor,scene.crossSections.sliceColor);gl.uniform1f(this._uSliceThickness,scene.crossSections.sliceThickness);}for(var sectionPlaneIndex=0;sectionPlaneIndex<numAllocatedSectionPlanes;sectionPlaneIndex++){var sectionPlaneUniforms=this._uSectionPlanes[sectionPlaneIndex];if(sectionPlaneUniforms){if(sectionPlaneIndex<numSectionPlanes){var active=renderFlags.sectionPlanesActivePerLayer[baseIndex+sectionPlaneIndex];gl.uniform1i(sectionPlaneUniforms.active,active?1:0);if(active){var sectionPlane=sectionPlanes[sectionPlaneIndex];var origin=layer._state.origin;if(origin){var rtcSectionPlanePos=getPlaneRTCPos(sectionPlane.dist,sectionPlane.dir,origin,tempVec3a$C,model.matrix);gl.uniform3fv(sectionPlaneUniforms.pos,rtcSectionPlanePos);}else{gl.uniform3fv(sectionPlaneUniforms.pos,sectionPlane.pos);}gl.uniform3fv(sectionPlaneUniforms.dir,sectionPlane.dir);}}else{gl.uniform1i(sectionPlaneUniforms.active,0);}}}}}},{key:"_allocate",value:function _allocate(){var scene=this._scene;var gl=scene.canvas.gl;var lightsState=scene._lightsState;this._program=new Program(gl,this._buildShader());if(this._program.errors){this.errors=this._program.errors;return;}var program=this._program;this._uRenderPass=program.getLocation("renderPass");this._uColor=program.getLocation("color");if(!this._uColor){// some shader may have color as attribute, in this case the uniform must be renamed silhouetteColor
 this._uColor=program.getLocation("silhouetteColor");}this._uUVDecodeMatrix=program.getLocation("uvDecodeMatrix");this._uPickInvisible=program.getLocation("pickInvisible");this._uGammaFactor=program.getLocation("gammaFactor");gl.uniformBlockBinding(program.handle,gl.getUniformBlockIndex(program.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint);this._uShadowViewMatrix=program.getLocation("shadowViewMatrix");this._uShadowProjMatrix=program.getLocation("shadowProjMatrix");if(scene.logarithmicDepthBufferEnabled){this._uZFar=program.getLocation("zFar");}this._uLightAmbient=program.getLocation("lightAmbient");this._uLightColor=[];this._uLightDir=[];this._uLightPos=[];this._uLightAttenuation=[];// TODO add a gard to prevent light params if not affected by light ?
-var lights=lightsState.lights;var light;for(var _i167=0,len=lights.length;_i167<len;_i167++){light=lights[_i167];switch(light.type){case"dir":this._uLightColor[_i167]=program.getLocation("lightColor"+_i167);this._uLightPos[_i167]=null;this._uLightDir[_i167]=program.getLocation("lightDir"+_i167);break;case"point":this._uLightColor[_i167]=program.getLocation("lightColor"+_i167);this._uLightPos[_i167]=program.getLocation("lightPos"+_i167);this._uLightDir[_i167]=null;this._uLightAttenuation[_i167]=program.getLocation("lightAttenuation"+_i167);break;case"spot":this._uLightColor[_i167]=program.getLocation("lightColor"+_i167);this._uLightPos[_i167]=program.getLocation("lightPos"+_i167);this._uLightDir[_i167]=program.getLocation("lightDir"+_i167);this._uLightAttenuation[_i167]=program.getLocation("lightAttenuation"+_i167);break;}}if(lightsState.reflectionMaps.length>0){this._uReflectionMap="reflectionMap";}if(lightsState.lightMaps.length>0){this._uLightMap="lightMap";}this._uSectionPlanes=[];for(var _i168=0,_len20=scene._sectionPlanesState.getNumAllocatedSectionPlanes();_i168<_len20;_i168++){this._uSectionPlanes.push({active:program.getLocation("sectionPlaneActive"+_i168),pos:program.getLocation("sectionPlanePos"+_i168),dir:program.getLocation("sectionPlaneDir"+_i168)});}this._aPosition=program.getAttribute("position");this._aOffset=program.getAttribute("offset");this._aNormal=program.getAttribute("normal");this._aUV=program.getAttribute("uv");this._aColor=program.getAttribute("color");this._aMetallicRoughness=program.getAttribute("metallicRoughness");this._aFlags=program.getAttribute("flags");this._aPickColor=program.getAttribute("pickColor");this._uPickZNear=program.getLocation("pickZNear");this._uPickZFar=program.getLocation("pickZFar");this._uPickClipPos=program.getLocation("pickClipPos");this._uDrawingBufferSize=program.getLocation("drawingBufferSize");this._uColorMap="uColorMap";this._uMetallicRoughMap="uMetallicRoughMap";this._uEmissiveMap="uEmissiveMap";this._uNormalMap="uNormalMap";this._uAOMap="uAOMap";if(this._instancing){this._aModelMatrix=program.getAttribute("modelMatrix");this._aModelMatrixCol0=program.getAttribute("modelMatrixCol0");this._aModelMatrixCol1=program.getAttribute("modelMatrixCol1");this._aModelMatrixCol2=program.getAttribute("modelMatrixCol2");this._aModelNormalMatrixCol0=program.getAttribute("modelNormalMatrixCol0");this._aModelNormalMatrixCol1=program.getAttribute("modelNormalMatrixCol1");this._aModelNormalMatrixCol2=program.getAttribute("modelNormalMatrixCol2");}if(this._withSAO){this._uOcclusionTexture="uOcclusionTexture";this._uSAOParams=program.getLocation("uSAOParams");}if(this._useAlphaCutoff){this._alphaCutoffLocation=program.getLocation("materialAlphaCutoff");}if(scene.logarithmicDepthBufferEnabled){this._uLogDepthBufFC=program.getLocation("logDepthBufFC");}if(scene.pointsMaterial._state.filterIntensity){this._uIntensityRange=program.getLocation("intensityRange");}this._uPointSize=program.getLocation("pointSize");this._uNearPlaneHeight=program.getLocation("nearPlaneHeight");if(scene.crossSections){this._uSliceColor=program.getLocation("sliceColor");this._uSliceThickness=program.getLocation("sliceThickness");}}},{key:"_bindProgram",value:function _bindProgram(frameCtx){var scene=this._scene;var gl=scene.canvas.gl;var program=this._program;var lightsState=scene._lightsState;var lights=lightsState.lights;program.bind();frameCtx.textureUnit=0;if(this._uLightAmbient){gl.uniform4fv(this._uLightAmbient,lightsState.getAmbientColorAndIntensity());}if(this._uGammaFactor){gl.uniform1f(this._uGammaFactor,scene.gammaFactor);}for(var _i169=0,len=lights.length;_i169<len;_i169++){var light=lights[_i169];if(this._uLightColor[_i169]){gl.uniform4f(this._uLightColor[_i169],light.color[0],light.color[1],light.color[2],light.intensity);}if(this._uLightPos[_i169]){gl.uniform3fv(this._uLightPos[_i169],light.pos);if(this._uLightAttenuation[_i169]){gl.uniform1f(this._uLightAttenuation[_i169],light.attenuation);}}if(this._uLightDir[_i169]){gl.uniform3fv(this._uLightDir[_i169],light.dir);}}}},{key:"_makeVAO",value:function _makeVAO(state){var gl=this._scene.canvas.gl;var vao=gl.createVertexArray();gl.bindVertexArray(vao);if(this._instancing){this._aModelMatrixCol0.bindArrayBuffer(state.modelMatrixCol0Buf);this._aModelMatrixCol1.bindArrayBuffer(state.modelMatrixCol1Buf);this._aModelMatrixCol2.bindArrayBuffer(state.modelMatrixCol2Buf);gl.vertexAttribDivisor(this._aModelMatrixCol0.location,1);gl.vertexAttribDivisor(this._aModelMatrixCol1.location,1);gl.vertexAttribDivisor(this._aModelMatrixCol2.location,1);if(this._aModelNormalMatrixCol0){this._aModelNormalMatrixCol0.bindArrayBuffer(state.modelNormalMatrixCol0Buf);gl.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1);}if(this._aModelNormalMatrixCol1){this._aModelNormalMatrixCol1.bindArrayBuffer(state.modelNormalMatrixCol1Buf);gl.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1);}if(this._aModelNormalMatrixCol2){this._aModelNormalMatrixCol2.bindArrayBuffer(state.modelNormalMatrixCol2Buf);gl.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1);}}this._aPosition.bindArrayBuffer(state.positionsBuf);if(this._aUV){this._aUV.bindArrayBuffer(state.uvBuf);}if(this._aNormal){this._aNormal.bindArrayBuffer(state.normalsBuf);}if(this._aMetallicRoughness){this._aMetallicRoughness.bindArrayBuffer(state.metallicRoughnessBuf);if(this._instancing){gl.vertexAttribDivisor(this._aMetallicRoughness.location,1);}}if(this._aColor){this._aColor.bindArrayBuffer(state.colorsBuf);if(this._instancing&&state.colorsBuf){gl.vertexAttribDivisor(this._aColor.location,1);}}if(this._aFlags){this._aFlags.bindArrayBuffer(state.flagsBuf);if(this._instancing){gl.vertexAttribDivisor(this._aFlags.location,1);}}if(this._aOffset){this._aOffset.bindArrayBuffer(state.offsetsBuf);if(this._instancing){gl.vertexAttribDivisor(this._aOffset.location,1);}}if(this._aPickColor){this._aPickColor.bindArrayBuffer(state.pickColorsBuf);if(this._instancing){gl.vertexAttribDivisor(this._aPickColor.location,1);}}if(this._instancing){if(this._edges&&state.edgeIndicesBuf){state.edgeIndicesBuf.bind();}else{if(state.indicesBuf){state.indicesBuf.bind();}}}else{if(this._edges&&state.edgeIndicesBuf){state.edgeIndicesBuf.bind();}else{if(state.indicesBuf){state.indicesBuf.bind();}}}return vao;}},{key:"drawLayer",value:function drawLayer(frameCtx,layer,renderPass){var _ref7=arguments.length>3&&arguments[3]!==undefined?arguments[3]:{},_ref7$colorUniform=_ref7.colorUniform,colorUniform=_ref7$colorUniform===void 0?false:_ref7$colorUniform,_ref7$incrementDrawSt=_ref7.incrementDrawState,incrementDrawState=_ref7$incrementDrawSt===void 0?false:_ref7$incrementDrawSt;var maxTextureUnits=WEBGL_INFO.MAX_TEXTURE_IMAGE_UNITS;var scene=this._scene;var gl=scene.canvas.gl;var state=layer._state,model=layer.model;var textureSet=state.textureSet,origin=state.origin,positionsDecodeMatrix=state.positionsDecodeMatrix;var lightsState=scene._lightsState;var pointsMaterial=scene.pointsMaterial;var camera=model.scene.camera;var viewNormalMatrix=camera.viewNormalMatrix,project=camera.project;var viewMatrix=frameCtx.pickViewMatrix||camera.viewMatrix;var position=model.position,rotationMatrix=model.rotationMatrix,worldNormalMatrix=model.worldNormalMatrix;if(!this._program){this._allocate();if(this.errors){return;}}if(frameCtx.lastProgramId!==this._program.id){frameCtx.lastProgramId=this._program.id;this._bindProgram(frameCtx);}if(this._vaoCache.has(layer)){gl.bindVertexArray(this._vaoCache.get(layer));}else{this._vaoCache.set(layer,this._makeVAO(state));}var offset=0;var mat4Size=4*4;this._matricesUniformBlockBufferData.set(rotationMatrix,0);var gotOrigin=origin[0]!==0||origin[1]!==0||origin[2]!==0;var gotPosition=position[0]!==0||position[1]!==0||position[2]!==0;if(gotOrigin||gotPosition){var rtcOrigin=tempVec3a$C;if(gotOrigin){var rotatedOrigin=math.transformPoint3(rotationMatrix,origin,tempVec3c$t);rtcOrigin[0]=rotatedOrigin[0];rtcOrigin[1]=rotatedOrigin[1];rtcOrigin[2]=rotatedOrigin[2];}else{rtcOrigin[0]=0;rtcOrigin[1]=0;rtcOrigin[2]=0;}rtcOrigin[0]+=position[0];rtcOrigin[1]+=position[1];rtcOrigin[2]+=position[2];this._matricesUniformBlockBufferData.set(createRTCViewMat(viewMatrix,rtcOrigin,tempMat4a$r),offset+=mat4Size);}else{this._matricesUniformBlockBufferData.set(viewMatrix,offset+=mat4Size);}this._matricesUniformBlockBufferData.set(frameCtx.pickProjMatrix||project.matrix,offset+=mat4Size);this._matricesUniformBlockBufferData.set(positionsDecodeMatrix,offset+=mat4Size);this._matricesUniformBlockBufferData.set(worldNormalMatrix,offset+=mat4Size);this._matricesUniformBlockBufferData.set(viewNormalMatrix,offset+=mat4Size);gl.bindBuffer(gl.UNIFORM_BUFFER,this._matricesUniformBlockBuffer);gl.bufferData(gl.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,gl.DYNAMIC_DRAW);gl.bindBufferBase(gl.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);gl.uniform1i(this._uRenderPass,renderPass);this.setSectionPlanesStateUniforms(layer);if(scene.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){var logDepthBufFC=2.0/(Math.log(frameCtx.pickZFar+1.0)/Math.LN2);// TODO: Far from pick project matrix?
+var lights=lightsState.lights;var light;for(var _i167=0,len=lights.length;_i167<len;_i167++){light=lights[_i167];switch(light.type){case"dir":this._uLightColor[_i167]=program.getLocation("lightColor"+_i167);this._uLightPos[_i167]=null;this._uLightDir[_i167]=program.getLocation("lightDir"+_i167);break;case"point":this._uLightColor[_i167]=program.getLocation("lightColor"+_i167);this._uLightPos[_i167]=program.getLocation("lightPos"+_i167);this._uLightDir[_i167]=null;this._uLightAttenuation[_i167]=program.getLocation("lightAttenuation"+_i167);break;case"spot":this._uLightColor[_i167]=program.getLocation("lightColor"+_i167);this._uLightPos[_i167]=program.getLocation("lightPos"+_i167);this._uLightDir[_i167]=program.getLocation("lightDir"+_i167);this._uLightAttenuation[_i167]=program.getLocation("lightAttenuation"+_i167);break;}}if(lightsState.reflectionMaps.length>0){this._uReflectionMap="reflectionMap";}if(lightsState.lightMaps.length>0){this._uLightMap="lightMap";}this._uSectionPlanes=[];for(var _i168=0,_len20=scene._sectionPlanesState.getNumAllocatedSectionPlanes();_i168<_len20;_i168++){this._uSectionPlanes.push({active:program.getLocation("sectionPlaneActive"+_i168),pos:program.getLocation("sectionPlanePos"+_i168),dir:program.getLocation("sectionPlaneDir"+_i168)});}this._aPosition=program.getAttribute("position");this._aOffset=program.getAttribute("offset");this._aNormal=program.getAttribute("normal");this._aUV=program.getAttribute("uv");this._aColor=program.getAttribute("color");this._aMetallicRoughness=program.getAttribute("metallicRoughness");this._aFlags=program.getAttribute("flags");this._aPickColor=program.getAttribute("pickColor");this._uPickZNear=program.getLocation("pickZNear");this._uPickZFar=program.getLocation("pickZFar");this._uPickClipPos=program.getLocation("pickClipPos");this._uDrawingBufferSize=program.getLocation("drawingBufferSize");this._uColorMap="uColorMap";this._uMetallicRoughMap="uMetallicRoughMap";this._uEmissiveMap="uEmissiveMap";this._uNormalMap="uNormalMap";this._uAOMap="uAOMap";if(this._instancing){this._aModelMatrix=program.getAttribute("modelMatrix");this._aModelMatrixCol0=program.getAttribute("modelMatrixCol0");this._aModelMatrixCol1=program.getAttribute("modelMatrixCol1");this._aModelMatrixCol2=program.getAttribute("modelMatrixCol2");this._aModelNormalMatrixCol0=program.getAttribute("modelNormalMatrixCol0");this._aModelNormalMatrixCol1=program.getAttribute("modelNormalMatrixCol1");this._aModelNormalMatrixCol2=program.getAttribute("modelNormalMatrixCol2");}if(this._withSAO){this._uOcclusionTexture="uOcclusionTexture";this._uSAOParams=program.getLocation("uSAOParams");}if(this._useAlphaCutoff){this._alphaCutoffLocation=program.getLocation("materialAlphaCutoff");}if(scene.logarithmicDepthBufferEnabled){this._uLogDepthBufFC=program.getLocation("logDepthBufFC");}if(scene.pointsMaterial._state.filterIntensity){this._uIntensityRange=program.getLocation("intensityRange");}this._uPointSize=program.getLocation("pointSize");this._uNearPlaneHeight=program.getLocation("nearPlaneHeight");if(scene.crossSections){this._uSliceColor=program.getLocation("sliceColor");this._uSliceThickness=program.getLocation("sliceThickness");}}},{key:"_bindProgram",value:function _bindProgram(frameCtx){var scene=this._scene;var gl=scene.canvas.gl;var program=this._program;var lightsState=scene._lightsState;var lights=lightsState.lights;program.bind();frameCtx.textureUnit=0;if(this._uLightAmbient){gl.uniform4fv(this._uLightAmbient,lightsState.getAmbientColorAndIntensity());}if(this._uGammaFactor){gl.uniform1f(this._uGammaFactor,scene.gammaFactor);}for(var _i169=0,len=lights.length;_i169<len;_i169++){var light=lights[_i169];if(this._uLightColor[_i169]){gl.uniform4f(this._uLightColor[_i169],light.color[0],light.color[1],light.color[2],light.intensity);}if(this._uLightPos[_i169]){gl.uniform3fv(this._uLightPos[_i169],light.pos);if(this._uLightAttenuation[_i169]){gl.uniform1f(this._uLightAttenuation[_i169],light.attenuation);}}if(this._uLightDir[_i169]){gl.uniform3fv(this._uLightDir[_i169],light.dir);}}}},{key:"_makeVAO",value:function _makeVAO(state){var gl=this._scene.canvas.gl;var vao=gl.createVertexArray();gl.bindVertexArray(vao);if(this._instancing){this._aModelMatrixCol0.bindArrayBuffer(state.modelMatrixCol0Buf);this._aModelMatrixCol1.bindArrayBuffer(state.modelMatrixCol1Buf);this._aModelMatrixCol2.bindArrayBuffer(state.modelMatrixCol2Buf);gl.vertexAttribDivisor(this._aModelMatrixCol0.location,1);gl.vertexAttribDivisor(this._aModelMatrixCol1.location,1);gl.vertexAttribDivisor(this._aModelMatrixCol2.location,1);if(this._aModelNormalMatrixCol0){this._aModelNormalMatrixCol0.bindArrayBuffer(state.modelNormalMatrixCol0Buf);gl.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1);}if(this._aModelNormalMatrixCol1){this._aModelNormalMatrixCol1.bindArrayBuffer(state.modelNormalMatrixCol1Buf);gl.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1);}if(this._aModelNormalMatrixCol2){this._aModelNormalMatrixCol2.bindArrayBuffer(state.modelNormalMatrixCol2Buf);gl.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1);}}this._aPosition.bindArrayBuffer(state.positionsBuf);if(this._aUV){this._aUV.bindArrayBuffer(state.uvBuf);}if(this._aNormal){this._aNormal.bindArrayBuffer(state.normalsBuf);}if(this._aMetallicRoughness){this._aMetallicRoughness.bindArrayBuffer(state.metallicRoughnessBuf);if(this._instancing){gl.vertexAttribDivisor(this._aMetallicRoughness.location,1);}}if(this._aColor){this._aColor.bindArrayBuffer(state.colorsBuf);if(this._instancing&&state.colorsBuf){gl.vertexAttribDivisor(this._aColor.location,1);}}if(this._aFlags){this._aFlags.bindArrayBuffer(state.flagsBuf);if(this._instancing){gl.vertexAttribDivisor(this._aFlags.location,1);}}if(this._aOffset){this._aOffset.bindArrayBuffer(state.offsetsBuf);if(this._instancing){gl.vertexAttribDivisor(this._aOffset.location,1);}}if(this._aPickColor){this._aPickColor.bindArrayBuffer(state.pickColorsBuf);if(this._instancing){gl.vertexAttribDivisor(this._aPickColor.location,1);}}if(this._instancing){if(this._edges&&state.edgeIndicesBuf){state.edgeIndicesBuf.bind();}else{if(state.indicesBuf){state.indicesBuf.bind();}}}else{if(this._edges&&state.edgeIndicesBuf){state.edgeIndicesBuf.bind();}else{if(state.indicesBuf){state.indicesBuf.bind();}}}return vao;}},{key:"drawLayer",value:function drawLayer(frameCtx,layer,renderPass){var _ref9=arguments.length>3&&arguments[3]!==undefined?arguments[3]:{},_ref9$colorUniform=_ref9.colorUniform,colorUniform=_ref9$colorUniform===void 0?false:_ref9$colorUniform,_ref9$incrementDrawSt=_ref9.incrementDrawState,incrementDrawState=_ref9$incrementDrawSt===void 0?false:_ref9$incrementDrawSt;var maxTextureUnits=WEBGL_INFO.MAX_TEXTURE_IMAGE_UNITS;var scene=this._scene;var gl=scene.canvas.gl;var state=layer._state,model=layer.model;var textureSet=state.textureSet,origin=state.origin,positionsDecodeMatrix=state.positionsDecodeMatrix;var lightsState=scene._lightsState;var pointsMaterial=scene.pointsMaterial;var camera=model.scene.camera;var viewNormalMatrix=camera.viewNormalMatrix,project=camera.project;var viewMatrix=frameCtx.pickViewMatrix||camera.viewMatrix;var position=model.position,rotationMatrix=model.rotationMatrix,worldNormalMatrix=model.worldNormalMatrix;if(!this._program){this._allocate();if(this.errors){return;}}if(frameCtx.lastProgramId!==this._program.id){frameCtx.lastProgramId=this._program.id;this._bindProgram(frameCtx);}if(this._vaoCache.has(layer)){gl.bindVertexArray(this._vaoCache.get(layer));}else{this._vaoCache.set(layer,this._makeVAO(state));}var offset=0;var mat4Size=4*4;this._matricesUniformBlockBufferData.set(rotationMatrix,0);var gotOrigin=origin[0]!==0||origin[1]!==0||origin[2]!==0;var gotPosition=position[0]!==0||position[1]!==0||position[2]!==0;if(gotOrigin||gotPosition){var rtcOrigin=tempVec3a$C;if(gotOrigin){var rotatedOrigin=math.transformPoint3(rotationMatrix,origin,tempVec3c$t);rtcOrigin[0]=rotatedOrigin[0];rtcOrigin[1]=rotatedOrigin[1];rtcOrigin[2]=rotatedOrigin[2];}else{rtcOrigin[0]=0;rtcOrigin[1]=0;rtcOrigin[2]=0;}rtcOrigin[0]+=position[0];rtcOrigin[1]+=position[1];rtcOrigin[2]+=position[2];this._matricesUniformBlockBufferData.set(createRTCViewMat(viewMatrix,rtcOrigin,tempMat4a$r),offset+=mat4Size);}else{this._matricesUniformBlockBufferData.set(viewMatrix,offset+=mat4Size);}this._matricesUniformBlockBufferData.set(frameCtx.pickProjMatrix||project.matrix,offset+=mat4Size);this._matricesUniformBlockBufferData.set(positionsDecodeMatrix,offset+=mat4Size);this._matricesUniformBlockBufferData.set(worldNormalMatrix,offset+=mat4Size);this._matricesUniformBlockBufferData.set(viewNormalMatrix,offset+=mat4Size);gl.bindBuffer(gl.UNIFORM_BUFFER,this._matricesUniformBlockBuffer);gl.bufferData(gl.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,gl.DYNAMIC_DRAW);gl.bindBufferBase(gl.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);gl.uniform1i(this._uRenderPass,renderPass);this.setSectionPlanesStateUniforms(layer);if(scene.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){var logDepthBufFC=2.0/(Math.log(frameCtx.pickZFar+1.0)/Math.LN2);// TODO: Far from pick project matrix?
 gl.uniform1f(this._uLogDepthBufFC,logDepthBufFC);}if(this._uZFar){gl.uniform1f(this._uZFar,scene.camera.project.far);}}if(this._uPickInvisible){gl.uniform1i(this._uPickInvisible,frameCtx.pickInvisible);}if(this._uPickZNear){gl.uniform1f(this._uPickZNear,frameCtx.pickZNear);}if(this._uPickZFar){gl.uniform1f(this._uPickZFar,frameCtx.pickZFar);}if(this._uPickClipPos){gl.uniform2fv(this._uPickClipPos,frameCtx.pickClipPos);}if(this._uDrawingBufferSize){gl.uniform2f(this._uDrawingBufferSize,gl.drawingBufferWidth,gl.drawingBufferHeight);}if(this._uUVDecodeMatrix){gl.uniformMatrix3fv(this._uUVDecodeMatrix,false,state.uvDecodeMatrix);}if(this._uIntensityRange&&pointsMaterial.filterIntensity){gl.uniform2f(this._uIntensityRange,pointsMaterial.minIntensity,pointsMaterial.maxIntensity);}if(this._uPointSize){gl.uniform1f(this._uPointSize,pointsMaterial.pointSize);}if(this._uNearPlaneHeight){var nearPlaneHeight=scene.camera.projection==="ortho"?1.0:gl.drawingBufferHeight/(2*Math.tan(0.5*scene.camera.perspective.fov*Math.PI/180.0));gl.uniform1f(this._uNearPlaneHeight,nearPlaneHeight);}if(textureSet){var colorTexture=textureSet.colorTexture,metallicRoughnessTexture=textureSet.metallicRoughnessTexture,emissiveTexture=textureSet.emissiveTexture,normalsTexture=textureSet.normalsTexture,occlusionTexture=textureSet.occlusionTexture;if(this._uColorMap&&colorTexture){this._program.bindTexture(this._uColorMap,colorTexture.texture,frameCtx.textureUnit);frameCtx.textureUnit=(frameCtx.textureUnit+1)%maxTextureUnits;}if(this._uMetallicRoughMap&&metallicRoughnessTexture){this._program.bindTexture(this._uMetallicRoughMap,metallicRoughnessTexture.texture,frameCtx.textureUnit);frameCtx.textureUnit=(frameCtx.textureUnit+1)%maxTextureUnits;}if(this._uEmissiveMap&&emissiveTexture){this._program.bindTexture(this._uEmissiveMap,emissiveTexture.texture,frameCtx.textureUnit);frameCtx.textureUnit=(frameCtx.textureUnit+1)%maxTextureUnits;}if(this._uNormalMap&&normalsTexture){this._program.bindTexture(this._uNormalMap,normalsTexture.texture,frameCtx.textureUnit);frameCtx.textureUnit=(frameCtx.textureUnit+1)%maxTextureUnits;}if(this._uAOMap&&occlusionTexture){this._program.bindTexture(this._uAOMap,occlusionTexture.texture,frameCtx.textureUnit);frameCtx.textureUnit=(frameCtx.textureUnit+1)%maxTextureUnits;}}if(lightsState.reflectionMaps.length>0&&lightsState.reflectionMaps[0].texture&&this._uReflectionMap){this._program.bindTexture(this._uReflectionMap,lightsState.reflectionMaps[0].texture,frameCtx.textureUnit);frameCtx.textureUnit=(frameCtx.textureUnit+1)%maxTextureUnits;frameCtx.bindTexture++;}if(lightsState.lightMaps.length>0&&lightsState.lightMaps[0].texture&&this._uLightMap){this._program.bindTexture(this._uLightMap,lightsState.lightMaps[0].texture,frameCtx.textureUnit);frameCtx.textureUnit=(frameCtx.textureUnit+1)%maxTextureUnits;frameCtx.bindTexture++;}if(this._withSAO){var sao=scene.sao;var saoEnabled=sao.possible;if(saoEnabled){var viewportWidth=gl.drawingBufferWidth;var viewportHeight=gl.drawingBufferHeight;tempVec4[0]=viewportWidth;tempVec4[1]=viewportHeight;tempVec4[2]=sao.blendCutoff;tempVec4[3]=sao.blendFactor;gl.uniform4fv(this._uSAOParams,tempVec4);this._program.bindTexture(this._uOcclusionTexture,frameCtx.occlusionTexture,frameCtx.textureUnit);frameCtx.textureUnit=(frameCtx.textureUnit+1)%maxTextureUnits;frameCtx.bindTexture++;}}if(this._useAlphaCutoff){gl.uniform1f(this._alphaCutoffLocation,textureSet.alphaCutoff);}if(colorUniform){var colorKey=this._edges?"edgeColor":"fillColor";var alphaKey=this._edges?"edgeAlpha":"fillAlpha";if(renderPass===RENDER_PASSES["".concat(this._edges?"EDGES":"SILHOUETTE","_XRAYED")]){var material=scene.xrayMaterial._state;var _color3=material[colorKey];var alpha=material[alphaKey];gl.uniform4f(this._uColor,_color3[0],_color3[1],_color3[2],alpha);}else if(renderPass===RENDER_PASSES["".concat(this._edges?"EDGES":"SILHOUETTE","_HIGHLIGHTED")]){var _material=scene.highlightMaterial._state;var _color4=_material[colorKey];var _alpha=_material[alphaKey];gl.uniform4f(this._uColor,_color4[0],_color4[1],_color4[2],_alpha);}else if(renderPass===RENDER_PASSES["".concat(this._edges?"EDGES":"SILHOUETTE","_SELECTED")]){var _material2=scene.selectedMaterial._state;var _color5=_material2[colorKey];var _alpha2=_material2[alphaKey];gl.uniform4f(this._uColor,_color5[0],_color5[1],_color5[2],_alpha2);}else{gl.uniform4fv(this._uColor,this._edges?edgesDefaultColor:defaultColor$2);}}this._draw({state:state,frameCtx:frameCtx,incrementDrawState:incrementDrawState});gl.bindVertexArray(null);}},{key:"webglContextRestored",value:function webglContextRestored(){this._program=null;}},{key:"destroy",value:function destroy(){if(this._program){this._program.destroy();}this._program=null;stats.memory.programs--;}}]);return VBORenderer;}();/**
  * @private
- */var TrianglesBatchingRenderer=/*#__PURE__*/function(_VBORenderer){_inherits(TrianglesBatchingRenderer,_VBORenderer);var _super51=_createSuper(TrianglesBatchingRenderer);function TrianglesBatchingRenderer(scene,withSAO){var _ref8=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{},_ref8$edges=_ref8.edges,edges=_ref8$edges===void 0?false:_ref8$edges,_ref8$useAlphaCutoff=_ref8.useAlphaCutoff,useAlphaCutoff=_ref8$useAlphaCutoff===void 0?false:_ref8$useAlphaCutoff;_classCallCheck(this,TrianglesBatchingRenderer);return _super51.call(this,scene,withSAO,{instancing:false,edges:edges,useAlphaCutoff:useAlphaCutoff});}_createClass(TrianglesBatchingRenderer,[{key:"_draw",value:function _draw(drawCfg){var gl=this._scene.canvas.gl;var state=drawCfg.state,frameCtx=drawCfg.frameCtx,incrementDrawState=drawCfg.incrementDrawState;if(this._edges){if(state.edgeIndicesBuf){gl.drawElements(gl.LINES,state.edgeIndicesBuf.numItems,state.edgeIndicesBuf.itemType,0);}}else{var count=frameCtx.pickElementsCount||state.indicesBuf.numItems;var offset=frameCtx.pickElementsOffset?frameCtx.pickElementsOffset*state.indicesBuf.itemByteSize:0;gl.drawElements(gl.TRIANGLES,count,state.indicesBuf.itemType,offset);if(incrementDrawState){frameCtx.drawElements++;}}}}]);return TrianglesBatchingRenderer;}(VBORenderer);/**
+ */var TrianglesBatchingRenderer=/*#__PURE__*/function(_VBORenderer){_inherits(TrianglesBatchingRenderer,_VBORenderer);var _super51=_createSuper(TrianglesBatchingRenderer);function TrianglesBatchingRenderer(scene,withSAO){var _ref10=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{},_ref10$edges=_ref10.edges,edges=_ref10$edges===void 0?false:_ref10$edges,_ref10$useAlphaCutoff=_ref10.useAlphaCutoff,useAlphaCutoff=_ref10$useAlphaCutoff===void 0?false:_ref10$useAlphaCutoff;_classCallCheck(this,TrianglesBatchingRenderer);return _super51.call(this,scene,withSAO,{instancing:false,edges:edges,useAlphaCutoff:useAlphaCutoff});}_createClass(TrianglesBatchingRenderer,[{key:"_draw",value:function _draw(drawCfg){var gl=this._scene.canvas.gl;var state=drawCfg.state,frameCtx=drawCfg.frameCtx,incrementDrawState=drawCfg.incrementDrawState;if(this._edges){if(state.edgeIndicesBuf){gl.drawElements(gl.LINES,state.edgeIndicesBuf.numItems,state.edgeIndicesBuf.itemType,0);}}else{var count=frameCtx.pickElementsCount||state.indicesBuf.numItems;var offset=frameCtx.pickElementsOffset?frameCtx.pickElementsOffset*state.indicesBuf.itemByteSize:0;gl.drawElements(gl.TRIANGLES,count,state.indicesBuf.itemType,offset);if(incrementDrawState){frameCtx.drawElements++;}}}}]);return TrianglesBatchingRenderer;}(VBORenderer);/**
  * @private
  */var TrianglesColorRenderer$1=/*#__PURE__*/function(_TrianglesBatchingRen){_inherits(TrianglesColorRenderer$1,_TrianglesBatchingRen);var _super52=_createSuper(TrianglesColorRenderer$1);function TrianglesColorRenderer$1(){_classCallCheck(this,TrianglesColorRenderer$1);return _super52.apply(this,arguments);}_createClass(TrianglesColorRenderer$1,[{key:"_getHash",value:function _getHash(){var scene=this._scene;return[scene._lightsState.getHash(),scene._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";");}},{key:"drawLayer",value:function drawLayer(frameCtx,layer,renderPass){_get(_getPrototypeOf(TrianglesColorRenderer$1.prototype),"drawLayer",this).call(this,frameCtx,layer,renderPass,{incrementDrawState:true});}},{key:"_buildVertexShader",value:function _buildVertexShader(){var scene=this._scene;var sectionPlanesState=scene._sectionPlanesState;var lightsState=scene._lightsState;var clipping=sectionPlanesState.getNumAllocatedSectionPlanes()>0;var light;var src=[];src.push("#version 300 es");src.push("// Triangles batching draw vertex shader");src.push("uniform int renderPass;");src.push("in vec3 position;");src.push("in vec3 normal;");src.push("in vec4 color;");src.push("in float flags;");if(scene.entityOffsetsEnabled){src.push("in vec3 offset;");}this._addMatricesUniformBlockLines(src,true);if(scene.logarithmicDepthBufferEnabled){src.push("uniform float logDepthBufFC;");src.push("out float vFragDepth;");src.push("bool isPerspectiveMatrix(mat4 m) {");src.push("    return (m[2][3] == - 1.0);");src.push("}");src.push("out float isPerspective;");}src.push("uniform vec4 lightAmbient;");for(var _i170=0,len=lightsState.lights.length;_i170<len;_i170++){light=lightsState.lights[_i170];if(light.type==="ambient"){continue;}src.push("uniform vec4 lightColor"+_i170+";");if(light.type==="dir"){src.push("uniform vec3 lightDir"+_i170+";");}if(light.type==="point"){src.push("uniform vec3 lightPos"+_i170+";");}if(light.type==="spot"){src.push("uniform vec3 lightPos"+_i170+";");src.push("uniform vec3 lightDir"+_i170+";");}}src.push("vec3 octDecode(vec2 oct) {");src.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));");src.push("    if (v.z < 0.0) {");src.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);");src.push("    }");src.push("    return normalize(v);");src.push("}");if(clipping){src.push("out vec4 vWorldPosition;");src.push("out float vFlags;");}src.push("out vec4 vColor;");src.push("void main(void) {");// colorFlag = NOT_RENDERED | COLOR_OPAQUE | COLOR_TRANSPARENT
 // renderPass = COLOR_OPAQUE
@@ -15195,7 +15196,7 @@ var a=tempVec3d$a;var b=tempVec3e$1;var c=tempVec3f$1;var gotIntersect=false;var
 math.triangleNormal(a,b,c,worldNormal);}gotIntersect=true;}}}if(gotIntersect&&worldNormal){math.transformVec3(this.model.worldNormalMatrix,worldNormal,worldNormal);math.normalizeVec3(worldNormal);}return gotIntersect;}// ---------
 },{key:"destroy",value:function destroy(){var state=this._state;if(state.positionsBuf){state.positionsBuf.destroy();state.positionsBuf=null;}if(state.offsetsBuf){state.offsetsBuf.destroy();state.offsetsBuf=null;}if(state.normalsBuf){state.normalsBuf.destroy();state.normalsBuf=null;}if(state.colorsBuf){state.colorsBuf.destroy();state.colorsBuf=null;}if(state.metallicRoughnessBuf){state.metallicRoughnessBuf.destroy();state.metallicRoughnessBuf=null;}if(state.flagsBuf){state.flagsBuf.destroy();state.flagsBuf=null;}if(state.pickColorsBuf){state.pickColorsBuf.destroy();state.pickColorsBuf=null;}if(state.indicesBuf){state.indicesBuf.destroy();state.indicessBuf=null;}if(state.edgeIndicesBuf){state.edgeIndicesBuf.destroy();state.edgeIndicessBuf=null;}state.destroy();}}]);return VBOBatchingTrianglesLayer;}();/**
  * @private
- */var TrianglesInstancingRenderer=/*#__PURE__*/function(_VBORenderer4){_inherits(TrianglesInstancingRenderer,_VBORenderer4);var _super70=_createSuper(TrianglesInstancingRenderer);function TrianglesInstancingRenderer(scene,withSAO){var _ref9=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{},_ref9$edges=_ref9.edges,edges=_ref9$edges===void 0?false:_ref9$edges,_ref9$useAlphaCutoff=_ref9.useAlphaCutoff,useAlphaCutoff=_ref9$useAlphaCutoff===void 0?false:_ref9$useAlphaCutoff;_classCallCheck(this,TrianglesInstancingRenderer);return _super70.call(this,scene,withSAO,{instancing:true,edges:edges,useAlphaCutoff:useAlphaCutoff});}_createClass(TrianglesInstancingRenderer,[{key:"_draw",value:function _draw(drawCfg){var gl=this._scene.canvas.gl;var state=drawCfg.state,frameCtx=drawCfg.frameCtx,incrementDrawState=drawCfg.incrementDrawState;if(this._edges){if(state.edgeIndicesBuf){gl.drawElementsInstanced(gl.LINES,state.edgeIndicesBuf.numItems,state.edgeIndicesBuf.itemType,0,state.numInstances);}}else{gl.drawElementsInstanced(gl.TRIANGLES,state.indicesBuf.numItems,state.indicesBuf.itemType,0,state.numInstances);if(incrementDrawState){frameCtx.drawElements++;}}}}]);return TrianglesInstancingRenderer;}(VBORenderer);/**
+ */var TrianglesInstancingRenderer=/*#__PURE__*/function(_VBORenderer4){_inherits(TrianglesInstancingRenderer,_VBORenderer4);var _super70=_createSuper(TrianglesInstancingRenderer);function TrianglesInstancingRenderer(scene,withSAO){var _ref11=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{},_ref11$edges=_ref11.edges,edges=_ref11$edges===void 0?false:_ref11$edges,_ref11$useAlphaCutoff=_ref11.useAlphaCutoff,useAlphaCutoff=_ref11$useAlphaCutoff===void 0?false:_ref11$useAlphaCutoff;_classCallCheck(this,TrianglesInstancingRenderer);return _super70.call(this,scene,withSAO,{instancing:true,edges:edges,useAlphaCutoff:useAlphaCutoff});}_createClass(TrianglesInstancingRenderer,[{key:"_draw",value:function _draw(drawCfg){var gl=this._scene.canvas.gl;var state=drawCfg.state,frameCtx=drawCfg.frameCtx,incrementDrawState=drawCfg.incrementDrawState;if(this._edges){if(state.edgeIndicesBuf){gl.drawElementsInstanced(gl.LINES,state.edgeIndicesBuf.numItems,state.edgeIndicesBuf.itemType,0,state.numInstances);}}else{gl.drawElementsInstanced(gl.TRIANGLES,state.indicesBuf.numItems,state.indicesBuf.itemType,0,state.numInstances);if(incrementDrawState){frameCtx.drawElements++;}}}}]);return TrianglesInstancingRenderer;}(VBORenderer);/**
  * @private
  */var TrianglesColorRenderer=/*#__PURE__*/function(_TrianglesInstancingR){_inherits(TrianglesColorRenderer,_TrianglesInstancingR);var _super71=_createSuper(TrianglesColorRenderer);function TrianglesColorRenderer(){_classCallCheck(this,TrianglesColorRenderer);return _super71.apply(this,arguments);}_createClass(TrianglesColorRenderer,[{key:"_getHash",value:function _getHash(){var scene=this._scene;return[scene._lightsState.getHash(),scene._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";");}},{key:"drawLayer",value:function drawLayer(frameCtx,layer,renderPass){_get(_getPrototypeOf(TrianglesColorRenderer.prototype),"drawLayer",this).call(this,frameCtx,layer,renderPass,{incrementDrawState:true});}},{key:"_buildVertexShader",value:function _buildVertexShader(){var scene=this._scene;var sectionPlanesState=scene._sectionPlanesState;var lightsState=scene._lightsState;var clipping=sectionPlanesState.getNumAllocatedSectionPlanes()>0;var i;var len;var light;var src=[];src.push("#version 300 es");src.push("// Instancing geometry drawing vertex shader");src.push("uniform int renderPass;");src.push("in vec3 position;");src.push("in vec2 normal;");src.push("in vec4 color;");src.push("in float flags;");if(scene.entityOffsetsEnabled){src.push("in vec3 offset;");}src.push("in vec4 modelMatrixCol0;");// Modeling matrix
 src.push("in vec4 modelMatrixCol1;");src.push("in vec4 modelMatrixCol2;");src.push("in vec4 modelNormalMatrixCol0;");src.push("in vec4 modelNormalMatrixCol1;");src.push("in vec4 modelNormalMatrixCol2;");this._addMatricesUniformBlockLines(src,true);if(scene.logarithmicDepthBufferEnabled){src.push("uniform float logDepthBufFC;");src.push("out float vFragDepth;");src.push("bool isPerspectiveMatrix(mat4 m) {");src.push("    return (m[2][3] == - 1.0);");src.push("}");src.push("out float isPerspective;");}src.push("uniform vec4 lightAmbient;");for(i=0,len=lightsState.lights.length;i<len;i++){light=lightsState.lights[i];if(light.type==="ambient"){continue;}src.push("uniform vec4 lightColor"+i+";");if(light.type==="dir"){src.push("uniform vec3 lightDir"+i+";");}if(light.type==="point"){src.push("uniform vec3 lightPos"+i+";");}if(light.type==="spot"){src.push("uniform vec3 lightPos"+i+";");src.push("uniform vec3 lightDir"+i+";");}}src.push("vec3 octDecode(vec2 oct) {");src.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));");src.push("    if (v.z < 0.0) {");src.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);");src.push("    }");src.push("    return normalize(v);");src.push("}");if(clipping){src.push("out vec4 vWorldPosition;");src.push("out float vFlags;");}src.push("out vec4 vColor;");src.push("void main(void) {");// colorFlag = NOT_RENDERED | COLOR_OPAQUE | COLOR_TRANSPARENT
@@ -15672,7 +15673,7 @@ var _notNormalized6=false;this._state.flagsBuf=new ArrayBuf(gl,gl.ARRAY_BUFFER,n
 },{key:"initFlags",value:function initFlags(portionId,flags,meshTransparent){if(flags&ENTITY_FLAGS.VISIBLE){this._numVisibleLayerPortions++;this.model.numVisibleLayerPortions++;}if(flags&ENTITY_FLAGS.HIGHLIGHTED){this._numHighlightedLayerPortions++;this.model.numHighlightedLayerPortions++;}if(flags&ENTITY_FLAGS.XRAYED){this._numXRayedLayerPortions++;this.model.numXRayedLayerPortions++;}if(flags&ENTITY_FLAGS.SELECTED){this._numSelectedLayerPortions++;this.model.numSelectedLayerPortions++;}if(flags&ENTITY_FLAGS.CLIPPABLE){this._numClippableLayerPortions++;this.model.numClippableLayerPortions++;}if(flags&ENTITY_FLAGS.EDGES){this._numEdgesLayerPortions++;this.model.numEdgesLayerPortions++;}if(flags&ENTITY_FLAGS.PICKABLE){this._numPickableLayerPortions++;this.model.numPickableLayerPortions++;}if(flags&ENTITY_FLAGS.CULLED){this._numCulledLayerPortions++;this.model.numCulledLayerPortions++;}if(meshTransparent){this._numTransparentLayerPortions++;this.model.numTransparentLayerPortions++;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setVisible",value:function setVisible(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.VISIBLE){this._numVisibleLayerPortions++;this.model.numVisibleLayerPortions++;}else{this._numVisibleLayerPortions--;this.model.numVisibleLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setHighlighted",value:function setHighlighted(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.HIGHLIGHTED){this._numHighlightedLayerPortions++;this.model.numHighlightedLayerPortions++;}else{this._numHighlightedLayerPortions--;this.model.numHighlightedLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setXRayed",value:function setXRayed(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.XRAYED){this._numXRayedLayerPortions++;this.model.numXRayedLayerPortions++;}else{this._numXRayedLayerPortions--;this.model.numXRayedLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setSelected",value:function setSelected(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.SELECTED){this._numSelectedLayerPortions++;this.model.numSelectedLayerPortions++;}else{this._numSelectedLayerPortions--;this.model.numSelectedLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setEdges",value:function setEdges(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.EDGES){this._numEdgesLayerPortions++;this.model.numEdgesLayerPortions++;}else{this._numEdgesLayerPortions--;this.model.numEdgesLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setClippable",value:function setClippable(portionId,flags){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.CLIPPABLE){this._numClippableLayerPortions++;this.model.numClippableLayerPortions++;}else{this._numClippableLayerPortions--;this.model.numClippableLayerPortions--;}this._setFlags(portionId,flags);}},{key:"setCollidable",value:function setCollidable(portionId,flags){if(!this._finalized){throw"Not finalized";}}},{key:"setPickable",value:function setPickable(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.PICKABLE){this._numPickableLayerPortions++;this.model.numPickableLayerPortions++;}else{this._numPickableLayerPortions--;this.model.numPickableLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setCulled",value:function setCulled(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}if(flags&ENTITY_FLAGS.CULLED){this._numCulledLayerPortions++;this.model.numCulledLayerPortions++;}else{this._numCulledLayerPortions--;this.model.numCulledLayerPortions--;}this._setFlags(portionId,flags,meshTransparent);}},{key:"setColor",value:function setColor(portionId,color){// RGBA color is normalized as ints
 if(!this._finalized){throw"Not finalized";}tempUint8Vec4$1[0]=color[0];tempUint8Vec4$1[1]=color[1];tempUint8Vec4$1[2]=color[2];tempUint8Vec4$1[3]=color[3];this._state.colorsBuf.setData(tempUint8Vec4$1,portionId*4,4);}},{key:"setTransparent",value:function setTransparent(portionId,flags,transparent){if(transparent){this._numTransparentLayerPortions++;this.model.numTransparentLayerPortions++;}else{this._numTransparentLayerPortions--;this.model.numTransparentLayerPortions--;}this._setFlags(portionId,flags,transparent);}/**
      * flags are 4bits values encoded on a 32bit base. color flag on the first 4 bits, silhouette flag on the next 4 bits and so on for edge, pick and clippable.
-     */},{key:"_setFlags",value:function _setFlags(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}var visible=!!(flags&ENTITY_FLAGS.VISIBLE);var xrayed=!!(flags&ENTITY_FLAGS.XRAYED);var highlighted=!!(flags&ENTITY_FLAGS.HIGHLIGHTED);var selected=!!(flags&ENTITY_FLAGS.SELECTED);var edges=!!(flags&ENTITY_FLAGS.EDGES);var pickable=!!(flags&ENTITY_FLAGS.PICKABLE);var culled=!!(flags&ENTITY_FLAGS.CULLED);var colorFlag;if(!visible||culled||xrayed||highlighted&&!this.model.scene.highlightMaterial.glowThrough||selected&&!this.model.scene.selectedMaterial.glowThrough){colorFlag=RENDER_PASSES.NOT_RENDERED;}else{if(meshTransparent){colorFlag=RENDER_PASSES.COLOR_TRANSPARENT;}else{colorFlag=RENDER_PASSES.COLOR_OPAQUE;}}var silhouetteFlag;if(!visible||culled){silhouetteFlag=RENDER_PASSES.NOT_RENDERED;}else if(selected){silhouetteFlag=RENDER_PASSES.SILHOUETTE_SELECTED;}else if(highlighted){silhouetteFlag=RENDER_PASSES.SILHOUETTE_HIGHLIGHTED;}else if(xrayed){silhouetteFlag=RENDER_PASSES.SILHOUETTE_XRAYED;}else{silhouetteFlag=RENDER_PASSES.NOT_RENDERED;}var edgeFlag=0;if(!visible||culled){edgeFlag=RENDER_PASSES.NOT_RENDERED;}else if(selected){edgeFlag=RENDER_PASSES.EDGES_SELECTED;}else if(highlighted){edgeFlag=RENDER_PASSES.EDGES_HIGHLIGHTED;}else if(xrayed){edgeFlag=RENDER_PASSES.EDGES_XRAYED;}else if(edges){if(meshTransparent){edgeFlag=RENDER_PASSES.EDGES_COLOR_TRANSPARENT;}else{edgeFlag=RENDER_PASSES.EDGES_COLOR_OPAQUE;}}else{edgeFlag=RENDER_PASSES.NOT_RENDERED;}var pickFlag=visible&&!culled&&pickable?RENDER_PASSES.PICK:RENDER_PASSES.NOT_RENDERED;var clippableFlag=!!(flags&ENTITY_FLAGS.CLIPPABLE)?255:0;var vertFlag=0;vertFlag|=colorFlag;vertFlag|=silhouetteFlag<<4;vertFlag|=edgeFlag<<8;vertFlag|=pickFlag<<12;vertFlag|=clippableFlag<<16;tempFloat32$1[0]=vertFlag;this._state.flagsBuf.setData(tempFloat32$1,portionId);}},{key:"setOffset",value:function setOffset(portionId,offset){if(!this._finalized){throw"Not finalized";}if(!this.model.scene.entityOffsetsEnabled){this.model.error("Entity#offset not enabled for this Viewer");// See Viewer entityOffsetsEnabled
+     */},{key:"_setFlags",value:function _setFlags(portionId,flags,meshTransparent){if(!this._finalized){throw"Not finalized";}var visible=!!(flags&ENTITY_FLAGS.VISIBLE);var xrayed=!!(flags&ENTITY_FLAGS.XRAYED);var highlighted=!!(flags&ENTITY_FLAGS.HIGHLIGHTED);var selected=!!(flags&ENTITY_FLAGS.SELECTED);var edges=!!(flags&ENTITY_FLAGS.EDGES);var pickable=!!(flags&ENTITY_FLAGS.PICKABLE);var culled=!!(flags&ENTITY_FLAGS.CULLED);var colorFlag;if(!visible||culled||xrayed||highlighted&&!this.model.scene.highlightMaterial.glowThrough||selected&&!this.model.scene.selectedMaterial.glowThrough){colorFlag=RENDER_PASSES.NOT_RENDERED;}else{if(meshTransparent){colorFlag=RENDER_PASSES.COLOR_TRANSPARENT;}else{colorFlag=RENDER_PASSES.COLOR_OPAQUE;}}var silhouetteFlag;if(!visible||culled){silhouetteFlag=RENDER_PASSES.NOT_RENDERED;}else if(selected){silhouetteFlag=RENDER_PASSES.SILHOUETTE_SELECTED;}else if(highlighted){silhouetteFlag=RENDER_PASSES.SILHOUETTE_HIGHLIGHTED;}else if(xrayed){silhouetteFlag=RENDER_PASSES.SILHOUETTE_XRAYED;}else{silhouetteFlag=RENDER_PASSES.NOT_RENDERED;}var edgeFlag=0;if(!visible||culled){edgeFlag=RENDER_PASSES.NOT_RENDERED;}else if(selected){edgeFlag=RENDER_PASSES.EDGES_SELECTED;}else if(highlighted){edgeFlag=RENDER_PASSES.EDGES_HIGHLIGHTED;}else if(xrayed){edgeFlag=RENDER_PASSES.EDGES_XRAYED;}else if(edges){if(meshTransparent){edgeFlag=RENDER_PASSES.EDGES_COLOR_TRANSPARENT;}else{edgeFlag=RENDER_PASSES.EDGES_COLOR_OPAQUE;}}else{edgeFlag=RENDER_PASSES.NOT_RENDERED;}var pickFlag=visible&&!culled&&pickable?RENDER_PASSES.PICK:RENDER_PASSES.NOT_RENDERED;var clippableFlag=!!(flags&ENTITY_FLAGS.CLIPPABLE)?1:0;var vertFlag=0;vertFlag|=colorFlag;vertFlag|=silhouetteFlag<<4;vertFlag|=edgeFlag<<8;vertFlag|=pickFlag<<12;vertFlag|=clippableFlag<<16;tempFloat32$1[0]=vertFlag;this._state.flagsBuf.setData(tempFloat32$1,portionId);}},{key:"setOffset",value:function setOffset(portionId,offset){if(!this._finalized){throw"Not finalized";}if(!this.model.scene.entityOffsetsEnabled){this.model.error("Entity#offset not enabled for this Viewer");// See Viewer entityOffsetsEnabled
 return;}tempVec3fa$1[0]=offset[0];tempVec3fa$1[1]=offset[1];tempVec3fa$1[2]=offset[2];this._state.offsetsBuf.setData(tempVec3fa$1,portionId*3,3);}},{key:"setMatrix",value:function setMatrix(portionId,matrix){////////////////////////////////////////
 // TODO: Update portion matrix
 ////////////////////////////////////////
@@ -16912,7 +16913,7 @@ Math.floor(subPortionId/512),// yoffset
 4,// width
 1,// height
 gl.RGBA,gl.FLOAT,tempMat4a);// gl.bindTexture (gl.TEXTURE_2D, null);
-}},{key:"getEachVertex",value:function getEachVertex(portionId,callback){if(!this.model.scene.readableGeometryEnabled){return;}var state=this._state;var subPortionIds=this._portionToSubPortionsMap[portionId];if(!subPortionIds){this.model.error("portion not found: "+portionId);return;}for(var _i384=0,len=subPortionIds.length;_i384<len;_i384++){var subPortionId=subPortionIds[_i384];var subPortionReadableGeometry=this._subPortionReadableGeometries[subPortionId];var positions=subPortionReadableGeometry.positionsCompressed;var positionsDecodeMatrix=subPortionReadableGeometry.positionsDecodeMatrix;subPortionReadableGeometry.meshMatrix;var origin=state.origin;var offsetX=origin[0];var offsetY=origin[1];var offsetZ=origin[2];var worldPos=tempVec4a$6;for(var _i385=0,_len76=positions.length;_i385<_len76;_i385+=3){worldPos[0]=positions[_i385];worldPos[1]=positions[_i385+1];worldPos[2]=positions[_i385+2];worldPos[3]=1.0;math.decompressPosition(worldPos,positionsDecodeMatrix);math.transformPoint4(this.model.worldMatrix,worldPos,worldPos);math.transformPoint4(this.model.worldMatrix,worldPos,worldPos);worldPos[0]+=offsetX;worldPos[1]+=offsetY;worldPos[2]+=offsetZ;callback(worldPos);}}}},{key:"getEachIndex",value:function getEachIndex(portionId,callback){if(!this.model.scene.readableGeometryEnabled){return;}var subPortionIds=this._portionToSubPortionsMap[portionId];if(!subPortionIds){this.model.error("portion not found: "+portionId);return;}for(var _i386=0,len=subPortionIds.length;_i386<len;_i386++){var subPortionId=subPortionIds[_i386];var subPortionReadableGeometry=this._subPortionReadableGeometries[subPortionId];var indices=subPortionReadableGeometry.indices;for(var _i387=0,_len77=indices.length;_i387<_len77;_i387++){callback(indices[_i387]);}}}// ---------------------- COLOR RENDERING -----------------------------------
+}},{key:"getEachVertex",value:function getEachVertex(portionId,callback){if(!this.model.scene.readableGeometryEnabled){return;}var state=this._state;var subPortionIds=this._portionToSubPortionsMap[portionId];if(!subPortionIds){this.model.error("portion not found: "+portionId);return;}for(var _i384=0,len=subPortionIds.length;_i384<len;_i384++){var subPortionId=subPortionIds[_i384];var subPortionReadableGeometry=this._subPortionReadableGeometries[subPortionId];var positions=subPortionReadableGeometry.positionsCompressed;var positionsDecodeMatrix=subPortionReadableGeometry.positionsDecodeMatrix;subPortionReadableGeometry.meshMatrix;var origin=state.origin;var offsetX=origin[0];var offsetY=origin[1];var offsetZ=origin[2];var worldPos=tempVec4a$6;for(var _i385=0,_len76=positions.length;_i385<_len76;_i385+=3){worldPos[0]=positions[_i385];worldPos[1]=positions[_i385+1];worldPos[2]=positions[_i385+2];worldPos[3]=1.0;math.decompressPosition(worldPos,positionsDecodeMatrix);math.mulMat4v4(this.model.worldMatrix,worldPos,worldPos);worldPos[0]+=offsetX;worldPos[1]+=offsetY;worldPos[2]+=offsetZ;callback(worldPos);}}}},{key:"getEachIndex",value:function getEachIndex(portionId,callback){if(!this.model.scene.readableGeometryEnabled){return;}var subPortionIds=this._portionToSubPortionsMap[portionId];if(!subPortionIds){this.model.error("portion not found: "+portionId);return;}for(var _i386=0,len=subPortionIds.length;_i386<len;_i386++){var subPortionId=subPortionIds[_i386];var subPortionReadableGeometry=this._subPortionReadableGeometries[subPortionId];var indices=subPortionReadableGeometry.indices;for(var _i387=0,_len77=indices.length;_i387<_len77;_i387++){callback(indices[_i387]);}}}// ---------------------- COLOR RENDERING -----------------------------------
 },{key:"drawColorOpaque",value:function drawColorOpaque(renderFlags,frameCtx){if(this._numCulledLayerPortions===this._numPortions||this._numVisibleLayerPortions===0||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions){return;}this._updateBackfaceCull(renderFlags,frameCtx);if(frameCtx.withSAO&&this.model.saoEnabled){if(this._renderers.colorRendererWithSAO){this._renderers.colorRendererWithSAO.drawLayer(frameCtx,this,RENDER_PASSES.COLOR_OPAQUE);}}else{if(this._renderers.colorRenderer){this._renderers.colorRenderer.drawLayer(frameCtx,this,RENDER_PASSES.COLOR_OPAQUE);}}}},{key:"_updateBackfaceCull",value:function _updateBackfaceCull(renderFlags,frameCtx){var backfaces=this.model.backfaces||renderFlags.sectioned;if(frameCtx.backfaces!==backfaces){var _gl6=frameCtx.gl;if(backfaces){_gl6.disable(_gl6.CULL_FACE);}else{_gl6.enable(_gl6.CULL_FACE);}frameCtx.backfaces=backfaces;}}},{key:"drawColorTransparent",value:function drawColorTransparent(renderFlags,frameCtx){if(this._numCulledLayerPortions===this._numPortions||this._numVisibleLayerPortions===0||this._numTransparentLayerPortions===0||this._numXRayedLayerPortions===this._numPortions){return;}this._updateBackfaceCull(renderFlags,frameCtx);if(this._renderers.colorRenderer){this._renderers.colorRenderer.drawLayer(frameCtx,this,RENDER_PASSES.COLOR_TRANSPARENT);}}// ---------------------- RENDERING SAO POST EFFECT TARGETS --------------
 },{key:"drawDepth",value:function drawDepth(renderFlags,frameCtx){if(this._numCulledLayerPortions===this._numPortions||this._numVisibleLayerPortions===0||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions){return;}this._updateBackfaceCull(renderFlags,frameCtx);if(this._renderers.depthRenderer){this._renderers.depthRenderer.drawLayer(frameCtx,this,RENDER_PASSES.COLOR_OPAQUE);// Assume whatever post-effect uses depth (eg SAO) does not apply to transparent objects
 }}},{key:"drawNormals",value:function drawNormals(renderFlags,frameCtx){if(this._numCulledLayerPortions===this._numPortions||this._numVisibleLayerPortions===0||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions){return;}this._updateBackfaceCull(renderFlags,frameCtx);if(this._renderers.normalsRenderer){this._renderers.normalsRenderer.drawLayer(frameCtx,this,RENDER_PASSES.COLOR_OPAQUE);// Assume whatever post-effect uses normals (eg SAO) does not apply to transparent objects
@@ -16977,7 +16978,7 @@ gl.RGBA,gl.FLOAT,tempMat4a);// gl.bindTexture (gl.TEXTURE_2D, null);
      */_createClass(SceneModelTexture,[{key:"destroy",value:function destroy(){if(this.texture){this.texture.destroy();this.texture=null;}}}]);return SceneModelTexture;}();var Cache$1={enabled:false,files:{},add:function add(key,file){if(this.enabled===false){return;}this.files[key]=file;},get:function get(key){if(this.enabled===false){return;}return this.files[key];},remove:function remove(key){delete this.files[key];},clear:function clear(){this.files={};}};var LoadingManager=/*#__PURE__*/function(){function LoadingManager(onLoad,onProgress,onError){_classCallCheck(this,LoadingManager);this.isLoading=false;this.itemsLoaded=0;this.itemsTotal=0;this.urlModifier=undefined;this.handlers=[];this.onStart=undefined;this.onLoad=onLoad;this.onProgress=onProgress;this.onError=onError;}_createClass(LoadingManager,[{key:"itemStart",value:function itemStart(url){this.itemsTotal++;if(this.isLoading===false){if(this.onStart!==undefined){this.onStart(url,this.itemsLoaded,this.itemsTotal);}}this.isLoading=true;}},{key:"itemEnd",value:function itemEnd(url){this.itemsLoaded++;if(this.onProgress!==undefined){this.onProgress(url,this.itemsLoaded,this.itemsTotal);}if(this.itemsLoaded===this.itemsTotal){this.isLoading=false;if(this.onLoad!==undefined){this.onLoad();}}}},{key:"itemError",value:function itemError(url){if(this.onError!==undefined){this.onError(url);}}},{key:"resolveURL",value:function resolveURL(url){if(this.urlModifier){return this.urlModifier(url);}return url;}},{key:"setURLModifier",value:function setURLModifier(transform){this.urlModifier=transform;return this;}},{key:"addHandler",value:function addHandler(regex,loader){this.handlers.push(regex,loader);return this;}},{key:"removeHandler",value:function removeHandler(regex){var index=this.handlers.indexOf(regex);if(index!==-1){this.handlers.splice(index,2);}return this;}},{key:"getHandler",value:function getHandler(file){for(var _i388=0,_l3=this.handlers.length;_i388<_l3;_i388+=2){var regex=this.handlers[_i388];var loader=this.handlers[_i388+1];if(regex.global)regex.lastIndex=0;// see #17920
 if(regex.test(file)){return loader;}}return null;}}]);return LoadingManager;}();var DefaultLoadingManager=new LoadingManager();var Loader=/*#__PURE__*/function(){function Loader(manager){_classCallCheck(this,Loader);this.manager=manager!==undefined?manager:DefaultLoadingManager;this.crossOrigin='anonymous';this.withCredentials=false;this.path='';this.resourcePath='';this.requestHeader={};}_createClass(Loader,[{key:"load",value:function/* url, onLoad, onProgress, onError */load(){}},{key:"loadAsync",value:function loadAsync(url,onProgress){var scope=this;return new Promise(function(resolve,reject){scope.load(url,resolve,onProgress,reject);});}},{key:"parse",value:function/* data */parse(){}},{key:"setCrossOrigin",value:function setCrossOrigin(crossOrigin){this.crossOrigin=crossOrigin;return this;}},{key:"setWithCredentials",value:function setWithCredentials(value){this.withCredentials=value;return this;}},{key:"setPath",value:function setPath(path){this.path=path;return this;}},{key:"setResourcePath",value:function setResourcePath(resourcePath){this.resourcePath=resourcePath;return this;}},{key:"setRequestHeader",value:function setRequestHeader(requestHeader){this.requestHeader=requestHeader;return this;}}]);return Loader;}();var loading={};var FileLoader=/*#__PURE__*/function(_Loader){_inherits(FileLoader,_Loader);var _super117=_createSuper(FileLoader);function FileLoader(manager){_classCallCheck(this,FileLoader);return _super117.call(this,manager);}_createClass(FileLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var _this79=this;if(url===undefined){url='';}if(this.path!==undefined){url=this.path+url;}url=this.manager.resolveURL(url);var cached=Cache$1.get(url);if(cached!==undefined){this.manager.itemStart(url);core.scheduleTask(function(){if(onLoad){onLoad(cached);}_this79.manager.itemEnd(url);},0);return cached;}if(loading[url]!==undefined){loading[url].push({onLoad:onLoad,onProgress:onProgress,onError:onError});return;}loading[url]=[];loading[url].push({onLoad:onLoad,onProgress:onProgress,onError:onError});var req=new Request(url,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?'include':'same-origin'});var mimeType=this.mimeType;var responseType=this.responseType;fetch(req).then(function(response){if(response.status===200||response.status===0){// Some browsers return HTTP Status 0 when using non-http protocol
 // e.g. 'file://' or 'data://'. Handle as success.
-if(response.status===0){console.warn('FileLoader: HTTP Status 0 received.');}if(typeof ReadableStream==='undefined'||response.body.getReader===undefined){return response;}var callbacks=loading[url];var reader=response.body.getReader();var contentLength=response.headers.get('Content-Length');var total=contentLength?parseInt(contentLength):0;var lengthComputable=total!==0;var loaded=0;var stream=new ReadableStream({start:function start(controller){readData();function readData(){reader.read().then(function(_ref10){var done=_ref10.done,value=_ref10.value;if(done){controller.close();}else{loaded+=value.byteLength;var event=new ProgressEvent('progress',{lengthComputable:lengthComputable,loaded:loaded,total:total});for(var _i389=0,il=callbacks.length;_i389<il;_i389++){var callback=callbacks[_i389];if(callback.onProgress){callback.onProgress(event);}}controller.enqueue(value);readData();}});}}});return new Response(stream);}else{throw Error("fetch for \"".concat(response.url,"\" responded with ").concat(response.status,": ").concat(response.statusText));}}).then(function(response){switch(responseType){case'arraybuffer':return response.arrayBuffer();case'blob':return response.blob();case'document':return response.text().then(function(text){var parser=new DOMParser();return parser.parseFromString(text,mimeType);});case'json':return response.json();default:if(mimeType===undefined){return response.text();}else{// sniff encoding
+if(response.status===0){console.warn('FileLoader: HTTP Status 0 received.');}if(typeof ReadableStream==='undefined'||response.body.getReader===undefined){return response;}var callbacks=loading[url];var reader=response.body.getReader();var contentLength=response.headers.get('Content-Length');var total=contentLength?parseInt(contentLength):0;var lengthComputable=total!==0;var loaded=0;var stream=new ReadableStream({start:function start(controller){readData();function readData(){reader.read().then(function(_ref12){var done=_ref12.done,value=_ref12.value;if(done){controller.close();}else{loaded+=value.byteLength;var event=new ProgressEvent('progress',{lengthComputable:lengthComputable,loaded:loaded,total:total});for(var _i389=0,il=callbacks.length;_i389<il;_i389++){var callback=callbacks[_i389];if(callback.onProgress){callback.onProgress(event);}}controller.enqueue(value);readData();}});}}});return new Response(stream);}else{throw Error("fetch for \"".concat(response.url,"\" responded with ").concat(response.status,": ").concat(response.statusText));}}).then(function(response){switch(responseType){case'arraybuffer':return response.arrayBuffer();case'blob':return response.blob();case'document':return response.text().then(function(text){var parser=new DOMParser();return parser.parseFromString(text,mimeType);});case'json':return response.json();default:if(mimeType===undefined){return response.text();}else{// sniff encoding
 var re=/charset="?([^;"\s]*)"?/i;var exec=re.exec(mimeType);var label=exec&&exec[1]?exec[1].toLowerCase():undefined;var decoder=new TextDecoder(label);return response.arrayBuffer().then(function(ab){return decoder.decode(ab);});}}}).then(function(data){// Add to cache only on HTTP success, so that we do not cache
 // error response bodies as proper responses to requests.
 Cache$1.add(url,data);var callbacks=loading[url];delete loading[url];for(var _i390=0,il=callbacks.length;_i390<il;_i390++){var callback=callbacks[_i390];if(callback.onLoad){callback.onLoad(data);}}})["catch"](function(err){// Abort errors and other errors are handled the same
@@ -17200,7 +17201,7 @@ _this79.manager.itemError(url);throw err;}delete loading[url];for(var _i391=0,il
      * then our KTX2TextureTranscoder will load it from ````https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/```` by
      * default. Therefore, make sure your application is connected to the internet if you wish to use the default transcoder path.
      * @param {Number} [workerLimit] The maximum number of Workers to use for transcoding.
-     */function KTX2TextureTranscoder(_ref11){var viewer=_ref11.viewer,transcoderPath=_ref11.transcoderPath,workerLimit=_ref11.workerLimit;_classCallCheck(this,KTX2TextureTranscoder);this._transcoderPath=transcoderPath||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/";this._transcoderBinary=null;this._transcoderPending=null;this._workerPool=new WorkerPool$1();this._workerSourceURL='';if(workerLimit){this._workerPool.setWorkerLimit(workerLimit);}var viewerCapabilities=viewer.capabilities;this._workerConfig={astcSupported:viewerCapabilities.astcSupported,etc1Supported:viewerCapabilities.etc1Supported,etc2Supported:viewerCapabilities.etc2Supported,dxtSupported:viewerCapabilities.dxtSupported,bptcSupported:viewerCapabilities.bptcSupported,pvrtcSupported:viewerCapabilities.pvrtcSupported};this._supportedFileTypes=["xkt2"];}_createClass(KTX2TextureTranscoder,[{key:"_init",value:function _init(){var _this81=this;if(!this._transcoderPending){var jsLoader=new FileLoader();jsLoader.setPath(this._transcoderPath);jsLoader.setWithCredentials(this.withCredentials);var jsContent=jsLoader.loadAsync('basis_transcoder.js');var binaryLoader=new FileLoader();binaryLoader.setPath(this._transcoderPath);binaryLoader.setResponseType('arraybuffer');binaryLoader.setWithCredentials(this.withCredentials);var binaryContent=binaryLoader.loadAsync('basis_transcoder.wasm');this._transcoderPending=Promise.all([jsContent,binaryContent]).then(function(_ref12){var _ref13=_slicedToArray(_ref12,2),jsContent=_ref13[0],binaryContent=_ref13[1];var fn=KTX2TextureTranscoder.BasisWorker.toString();var body=['/* constants */','let _EngineFormat = '+JSON.stringify(KTX2TextureTranscoder.EngineFormat),'let _TranscoderFormat = '+JSON.stringify(KTX2TextureTranscoder.TranscoderFormat),'let _BasisFormat = '+JSON.stringify(KTX2TextureTranscoder.BasisFormat),'/* basis_transcoder.js */',jsContent,'/* worker */',fn.substring(fn.indexOf('{')+1,fn.lastIndexOf('}'))].join('\n');_this81._workerSourceURL=URL.createObjectURL(new Blob([body]));_this81._transcoderBinary=binaryContent;_this81._workerPool.setWorkerCreator(function(){var worker=new Worker(_this81._workerSourceURL);var transcoderBinary=_this81._transcoderBinary.slice(0);worker.postMessage({type:'init',config:_this81._workerConfig,transcoderBinary:transcoderBinary},[transcoderBinary]);return worker;});});if(activeTranscoders>0){console.warn('KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues.'+' Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances.');}activeTranscoders++;}return this._transcoderPending;}/**
+     */function KTX2TextureTranscoder(_ref13){var viewer=_ref13.viewer,transcoderPath=_ref13.transcoderPath,workerLimit=_ref13.workerLimit;_classCallCheck(this,KTX2TextureTranscoder);this._transcoderPath=transcoderPath||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/";this._transcoderBinary=null;this._transcoderPending=null;this._workerPool=new WorkerPool$1();this._workerSourceURL='';if(workerLimit){this._workerPool.setWorkerLimit(workerLimit);}var viewerCapabilities=viewer.capabilities;this._workerConfig={astcSupported:viewerCapabilities.astcSupported,etc1Supported:viewerCapabilities.etc1Supported,etc2Supported:viewerCapabilities.etc2Supported,dxtSupported:viewerCapabilities.dxtSupported,bptcSupported:viewerCapabilities.bptcSupported,pvrtcSupported:viewerCapabilities.pvrtcSupported};this._supportedFileTypes=["xkt2"];}_createClass(KTX2TextureTranscoder,[{key:"_init",value:function _init(){var _this81=this;if(!this._transcoderPending){var jsLoader=new FileLoader();jsLoader.setPath(this._transcoderPath);jsLoader.setWithCredentials(this.withCredentials);var jsContent=jsLoader.loadAsync('basis_transcoder.js');var binaryLoader=new FileLoader();binaryLoader.setPath(this._transcoderPath);binaryLoader.setResponseType('arraybuffer');binaryLoader.setWithCredentials(this.withCredentials);var binaryContent=binaryLoader.loadAsync('basis_transcoder.wasm');this._transcoderPending=Promise.all([jsContent,binaryContent]).then(function(_ref14){var _ref15=_slicedToArray(_ref14,2),jsContent=_ref15[0],binaryContent=_ref15[1];var fn=KTX2TextureTranscoder.BasisWorker.toString();var body=['/* constants */','let _EngineFormat = '+JSON.stringify(KTX2TextureTranscoder.EngineFormat),'let _TranscoderFormat = '+JSON.stringify(KTX2TextureTranscoder.TranscoderFormat),'let _BasisFormat = '+JSON.stringify(KTX2TextureTranscoder.BasisFormat),'/* basis_transcoder.js */',jsContent,'/* worker */',fn.substring(fn.indexOf('{')+1,fn.lastIndexOf('}'))].join('\n');_this81._workerSourceURL=URL.createObjectURL(new Blob([body]));_this81._transcoderBinary=binaryContent;_this81._workerPool.setWorkerCreator(function(){var worker=new Worker(_this81._workerSourceURL);var transcoderBinary=_this81._transcoderBinary.slice(0);worker.postMessage({type:'init',config:_this81._workerConfig,transcoderBinary:transcoderBinary},[transcoderBinary]);return worker;});});if(activeTranscoders>0){console.warn('KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues.'+' Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances.');}activeTranscoders++;}return this._transcoderPending;}/**
      * Transcodes texture data from transcoded buffers into a {@link Texture2D}.
      *
      * @param {ArrayBuffer[]} buffers Transcoded texture data. Given as an array of buffers so that we can support multi-image textures, such as cube maps.
@@ -19622,7 +19623,7 @@ var lineSets=scene.lineSets;for(var _id2 in lineSets){if(lineSets.hasOwnProperty
 var bitmaps=scene.bitmaps;for(var _id3 in bitmaps){if(bitmaps.hasOwnProperty(_id3)){var bitmap=bitmaps[_id3];var _location=bitmap.pos;var normal=bitmap.normal;var _up=bitmap.up;if(camera.yUp){// BCF is Z up
 _location=YToZ(_location);normal=YToZ(normal);_up=YToZ(_up);}math.addVec3(_location,realWorldOffset);if(!bcfViewpoint.bitmaps){bcfViewpoint.bitmaps=[];}bcfViewpoint.bitmaps.push({bitmap_type:bitmap.type,bitmap_data:bitmap.imageData,location:xyzArrayToObject(_location),normal:xyzArrayToObject(normal),up:xyzArrayToObject(_up),height:bitmap.height});}}// Entity states
 bcfViewpoint.components={visibility:{view_setup_hints:{spaces_visible:!!options.spacesVisible,space_boundaries_visible:!!options.spaceBoundariesVisible,openings_visible:!!options.openingsVisible,spaces_translucent:!!options.spaces_translucent,space_boundaries_translucent:!!options.space_boundaries_translucent,openings_translucent:!!options.openings_translucent}}};var opacityObjectIds=new Set(scene.opacityObjectIds);var xrayedObjectIds=new Set(scene.xrayedObjectIds);var colorizedObjectIds=new Set(scene.colorizedObjectIds);var coloringMap=Object.values(scene.objects).filter(function(entity){return opacityObjectIds.has(entity.id)||colorizedObjectIds.has(entity.id)||xrayedObjectIds.has(entity.id);}).reduce(function(coloringMap,entity){var color=colorizeToRGB(entity.colorize);var alpha;if(entity.xrayed){if(scene.xrayMaterial.fillAlpha===0.0&&scene.xrayMaterial.edgeAlpha!==0.0){// BCF can't deal with edges. If xRay is implemented only with edges, set an arbitrary opacity
-alpha=0.1;}else{alpha=scene.xrayMaterial.fillAlpha;}alpha=Math.round(alpha*255).toString(16).padStart(2,"0");color=alpha+color;}else if(opacityObjectIds.has(entity.id)){alpha=Math.round(entity.opacity*255).toString(16).padStart(2,"0");color=alpha+color;}if(!coloringMap[color]){coloringMap[color]=[];}var objectId=entity.id;var originalSystemId=entity.originalSystemId;var component={ifc_guid:originalSystemId,originating_system:_this87.originatingSystem};if(originalSystemId!==objectId){component.authoring_tool_id=objectId;}coloringMap[color].push(component);return coloringMap;},{});var coloringArray=Object.entries(coloringMap).map(function(_ref14){var _ref15=_slicedToArray(_ref14,2),color=_ref15[0],components=_ref15[1];return{color:color,components:components};});bcfViewpoint.components.coloring=coloringArray;var objectIds=scene.objectIds;var visibleObjects=scene.visibleObjects;var visibleObjectIds=scene.visibleObjectIds;var invisibleObjectIds=objectIds.filter(function(id){return!visibleObjects[id];});var selectedObjectIds=scene.selectedObjectIds;if(options.defaultInvisible||visibleObjectIds.length<invisibleObjectIds.length){bcfViewpoint.components.visibility.exceptions=this._createBCFComponents(visibleObjectIds);bcfViewpoint.components.visibility.default_visibility=false;}else{bcfViewpoint.components.visibility.exceptions=this._createBCFComponents(invisibleObjectIds);bcfViewpoint.components.visibility.default_visibility=true;}bcfViewpoint.components.selection=this._createBCFComponents(selectedObjectIds);bcfViewpoint.components.translucency=this._createBCFComponents(scene.xrayedObjectIds);if(options.snapshot!==false){bcfViewpoint.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})};}return bcfViewpoint;}},{key:"_createBCFComponents",value:function _createBCFComponents(objectIds){var scene=this.viewer.scene;var components=[];for(var _i465=0,len=objectIds.length;_i465<len;_i465++){var objectId=objectIds[_i465];var entity=scene.objects[objectId];if(entity){var component={ifc_guid:entity.originalSystemId,originating_system:this.originatingSystem};if(entity.originalSystemId!==objectId){component.authoring_tool_id=objectId;}components.push(component);}}return components;}/**
+alpha=0.1;}else{alpha=scene.xrayMaterial.fillAlpha;}alpha=Math.round(alpha*255).toString(16).padStart(2,"0");color=alpha+color;}else if(opacityObjectIds.has(entity.id)){alpha=Math.round(entity.opacity*255).toString(16).padStart(2,"0");color=alpha+color;}if(!coloringMap[color]){coloringMap[color]=[];}var objectId=entity.id;var originalSystemId=entity.originalSystemId;var component={ifc_guid:originalSystemId,originating_system:_this87.originatingSystem};if(originalSystemId!==objectId){component.authoring_tool_id=objectId;}coloringMap[color].push(component);return coloringMap;},{});var coloringArray=Object.entries(coloringMap).map(function(_ref16){var _ref17=_slicedToArray(_ref16,2),color=_ref17[0],components=_ref17[1];return{color:color,components:components};});bcfViewpoint.components.coloring=coloringArray;var objectIds=scene.objectIds;var visibleObjects=scene.visibleObjects;var visibleObjectIds=scene.visibleObjectIds;var invisibleObjectIds=objectIds.filter(function(id){return!visibleObjects[id];});var selectedObjectIds=scene.selectedObjectIds;if(options.defaultInvisible||visibleObjectIds.length<invisibleObjectIds.length){bcfViewpoint.components.visibility.exceptions=this._createBCFComponents(visibleObjectIds);bcfViewpoint.components.visibility.default_visibility=false;}else{bcfViewpoint.components.visibility.exceptions=this._createBCFComponents(invisibleObjectIds);bcfViewpoint.components.visibility.default_visibility=true;}bcfViewpoint.components.selection=this._createBCFComponents(selectedObjectIds);bcfViewpoint.components.translucency=this._createBCFComponents(scene.xrayedObjectIds);if(options.snapshot!==false){bcfViewpoint.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})};}return bcfViewpoint;}},{key:"_createBCFComponents",value:function _createBCFComponents(objectIds){var scene=this.viewer.scene;var components=[];for(var _i465=0,len=objectIds.length;_i465<len;_i465++){var objectId=objectIds[_i465];var entity=scene.objects[objectId];if(entity){var component={ifc_guid:entity.originalSystemId,originating_system:this.originatingSystem};if(entity.originalSystemId!==objectId){component.authoring_tool_id=objectId;}components.push(component);}}return components;}/**
      * Sets viewer state to the given BCF viewpoint.
      *
      * Note that xeokit's {@link Camera#look} is the **point-of-interest**, whereas the BCF ````camera_direction```` is a
@@ -20370,7 +20371,7 @@ origin:eye,direction:look});look=hit?hit.worldPos:math.addVec3(eye,look,tempVec3
    * Destroys this DistanceMeasurementsPlugin.
    *
    * Destroys all {@link DistanceMeasurement}s first.
-   */},{key:"destroy",value:function destroy(){this.clear();_get(_getPrototypeOf(DistanceMeasurementsPlugin.prototype),"destroy",this).call(this);}}]);return DistanceMeasurementsPlugin;}(Plugin);var WAITING_FOR_ORIGIN_TOUCH_START=0;var WAITING_FOR_ORIGIN_QUICK_TOUCH_END=1;var WAITING_FOR_ORIGIN_LONG_TOUCH_END=2;var WAITING_FOR_TARGET_TOUCH_START=3;var WAITING_FOR_TARGET_QUICK_TOUCH_END=4;var WAITING_FOR_TARGET_LONG_TOUCH_END=5;var TOUCH_CANCELING=7;/**
+   */},{key:"destroy",value:function destroy(){this.clear();_get(_getPrototypeOf(DistanceMeasurementsPlugin.prototype),"destroy",this).call(this);}}]);return DistanceMeasurementsPlugin;}(Plugin);var WAITING_FOR_ORIGIN_TOUCH_START=0;var WAITING_FOR_ORIGIN_QUICK_TOUCH_END=1;var WAITING_FOR_ORIGIN_LONG_TOUCH_END=2;var WAITING_FOR_TARGET_TOUCH_START=3;var WAITING_FOR_TARGET_QUICK_TOUCH_END=4;var WAITING_FOR_TARGET_LONG_TOUCH_END=5;var TOUCH_CANCELING=7;var tmpVec2=math.vec2();/**
  * Creates {@link DistanceMeasurement}s from touch input.
  *
  * See {@link DistanceMeasurementsPlugin} for more info.
@@ -20400,10 +20401,8 @@ origin:eye,direction:look});look=hit?hit.worldPos:math.addVec3(eye,look,tempVec3
      * @returns {boolean} Whether snap-to-vertex and snap-to-edge are enabled for this DistanceMeasurementsTouchControl.
      */function get(){return this._snapping;}/**
      * Activates this DistanceMeasurementsTouchControl, ready to respond to input.
-     */,set:function set(snapping){this._snapping=snapping;}},{key:"activate",value:function activate(){var _this97=this;if(this._active){return;}var plugin=this.plugin;var scene=this.scene;var canvas=scene.canvas.canvas;plugin.pointerLens;var pointerWorldPos=math.vec3();var touchTolerance=20;var longTouchTimeout=null;this._touchState=WAITING_FOR_ORIGIN_TOUCH_START;var touchStartCanvasPos=math.vec2();var touchMoveCanvasPos=math.vec2();var touchEndCanvasPos=math.vec2();var touchId=null;var disableCameraNavigation=function disableCameraNavigation(){_this97.plugin.viewer.cameraControl.active=false;};var enableCameraNavigation=function enableCameraNavigation(){_this97.plugin.viewer.cameraControl.active=true;};var cancel=function cancel(){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}if(_this97._currentDistanceMeasurement){_this97._currentDistanceMeasurement.destroy();_this97._currentDistanceMeasurement=null;}enableCameraNavigation();_this97._touchState=WAITING_FOR_ORIGIN_TOUCH_START;};canvas.addEventListener("touchstart",this._onCanvasTouchStart=function(event){var currentNumTouches=event.touches.length;if(currentNumTouches!==1){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}return;}var touch=event.touches[0];// Get the canvas's bounding rectangle
-var rect=canvas.getBoundingClientRect();// Calculate the touch position relative to the canvas
-var touchX=touch.clientX-rect.left;var touchY=touch.clientY-rect.top;touchStartCanvasPos.set([touchX,touchY]);touchMoveCanvasPos.set([touchX,touchY]);switch(_this97._touchState){case WAITING_FOR_ORIGIN_TOUCH_START:if(currentNumTouches!==1&&longTouchTimeout!==null){// Two or more fingers down
-cancel();return;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapping:_this97._snapping,snapToEdge:_this97._snapping});if(snapPickResult&&snapPickResult.snapped){pointerWorldPos.set(snapPickResult.worldPos);_this97.pointerCircle.start(snapPickResult.snappedCanvasPos);}else{var pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){pointerWorldPos.set(pickResult.worldPos);_this97.pointerCircle.start(pickResult.canvasPos);}else{return;}}longTouchTimeout=setTimeout(function(){if(currentNumTouches!==1||touchMoveCanvasPos[0]>touchStartCanvasPos[0]+touchTolerance||touchMoveCanvasPos[0]<touchStartCanvasPos[0]-touchTolerance||touchMoveCanvasPos[1]>touchStartCanvasPos[1]+touchTolerance||touchMoveCanvasPos[1]<touchStartCanvasPos[1]-touchTolerance){return;// Has moved
+     */,set:function set(snapping){this._snapping=snapping;}},{key:"activate",value:function activate(){var _this97=this;if(this._active){return;}var plugin=this.plugin;var scene=this.scene;var canvas=scene.canvas.canvas;plugin.pointerLens;var pointerWorldPos=math.vec3();var touchTolerance=20;var longTouchTimeout=null;this._touchState=WAITING_FOR_ORIGIN_TOUCH_START;var touchStartCanvasPos=math.vec2();var touchMoveCanvasPos=math.vec2();var touchEndCanvasPos=math.vec2();var touchId=null;var disableCameraNavigation=function disableCameraNavigation(){_this97.plugin.viewer.cameraControl.active=false;};var enableCameraNavigation=function enableCameraNavigation(){_this97.plugin.viewer.cameraControl.active=true;};var cancel=function cancel(){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}if(_this97._currentDistanceMeasurement){_this97._currentDistanceMeasurement.destroy();_this97._currentDistanceMeasurement=null;}enableCameraNavigation();_this97._touchState=WAITING_FOR_ORIGIN_TOUCH_START;};var copyCanvasPos=function copyCanvasPos(event,dst){dst[0]=event.clientX;dst[1]=event.clientY;transformToNode(canvas.ownerDocument.documentElement,canvas,dst);return dst;};var toBodyPos=function toBodyPos(pos,dst){dst.set(pos);transformToNode(canvas,canvas.ownerDocument.documentElement,dst);return dst;};canvas.addEventListener("touchstart",this._onCanvasTouchStart=function(event){var currentNumTouches=event.touches.length;if(currentNumTouches!==1){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}return;}var touch=event.touches[0];copyCanvasPos(touch,touchStartCanvasPos);touchMoveCanvasPos.set(touchStartCanvasPos);switch(_this97._touchState){case WAITING_FOR_ORIGIN_TOUCH_START:if(currentNumTouches!==1&&longTouchTimeout!==null){// Two or more fingers down
+cancel();return;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapping:_this97._snapping,snapToEdge:_this97._snapping});if(snapPickResult&&snapPickResult.snapped){pointerWorldPos.set(snapPickResult.worldPos);_this97.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos,tmpVec2));}else{var pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){pointerWorldPos.set(pickResult.worldPos);_this97.pointerCircle.start(toBodyPos(pickResult.canvasPos,tmpVec2));}else{return;}}longTouchTimeout=setTimeout(function(){if(currentNumTouches!==1||touchMoveCanvasPos[0]>touchStartCanvasPos[0]+touchTolerance||touchMoveCanvasPos[0]<touchStartCanvasPos[0]-touchTolerance||touchMoveCanvasPos[1]>touchStartCanvasPos[1]+touchTolerance||touchMoveCanvasPos[1]<touchStartCanvasPos[1]-touchTolerance){return;// Has moved
 }// Long touch
 if(_this97.pointerLens){_this97.pointerLens.visible=true;_this97.pointerLens.canvasPos=touchStartCanvasPos;_this97.pointerLens.cursorPos=touchStartCanvasPos;}if(_this97.pointerLens){_this97.pointerLens.canvasPos=touchMoveCanvasPos;_this97.pointerLens.snapped=false;}if(_this97.pointerLens){_this97.pointerLens.cursorPos=snapPickResult.canvasPos;_this97.pointerLens.snapped=true;}// pointerWorldPos.set(snapPickResult.snappedWorldPos);
 if(!_this97._currentDistanceMeasurement){_this97._currentDistanceMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:pointerWorldPos,entity:snapPickResult.entity},target:{worldPos:pointerWorldPos,entity:snapPickResult.entity}});_this97._currentDistanceMeasurement.labelsVisible=false;_this97._currentDistanceMeasurement.xAxisVisible=false;_this97._currentDistanceMeasurement.yAxisVisible=false;_this97._currentDistanceMeasurement.zAxisVisible=false;_this97._currentDistanceMeasurement.wireVisible=false;_this97._currentDistanceMeasurement.originVisible=true;_this97._currentDistanceMeasurement.targetVisible=false;_this97._currentDistanceMeasurement.clickable=false;}else{_this97._currentDistanceMeasurement.origin.worldPos=pointerWorldPos;}_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);// if (this.pointerLens) {
@@ -20416,21 +20415,17 @@ touchId=touch.identifier;break;case WAITING_FOR_TARGET_TOUCH_START:if(currentNum
 clearTimeout(longTouchTimeout);longTouchTimeout=null;return;}if(currentNumTouches===1){// One finger down
 longTouchTimeout=setTimeout(function(){longTouchTimeout=null;if(currentNumTouches!==1||touchMoveCanvasPos[0]>touchStartCanvasPos[0]+touchTolerance||touchMoveCanvasPos[0]<touchStartCanvasPos[0]-touchTolerance||touchMoveCanvasPos[1]>touchStartCanvasPos[1]+touchTolerance||touchMoveCanvasPos[1]<touchStartCanvasPos[1]-touchTolerance){// Has moved
 return;}// Long touch
-if(_this97.pointerLens){_this97.pointerLens.visible=true;_this97.pointerLens.canvasPos=touchStartCanvasPos;_this97.pointerLens.snapped=false;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this97._snapping,snapToEdge:_this97._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this97.pointerLens){_this97.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this97.pointerLens.snapped=true;}_this97.pointerCircle.start(snapPickResult.snappedCanvasPos);pointerWorldPos.set(snapPickResult.worldPos);_this97._currentDistanceMeasurement.target.worldPos=snapPickResult.worldPos;_this97._currentDistanceMeasurement.target.entity=snapPickResult.entity;_this97._currentDistanceMeasurement.targetVisible=true;_this97._currentDistanceMeasurement.wireVisible=true;_this97._currentDistanceMeasurement.labelsVisible=true;_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);}else{var _pickResult6=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(_pickResult6&&_pickResult6.worldPos){if(_this97.pointerLens){_this97.pointerLens.cursorPos=_pickResult6.canvasPos;_this97.pointerLens.snapped=false;}_this97.pointerCircle.start(_pickResult6.canvasPos);pointerWorldPos.set(_pickResult6.worldPos);_this97._currentDistanceMeasurement.target.worldPos=_pickResult6.worldPos;_this97._currentDistanceMeasurement.target.entity=_pickResult6.entity;_this97._currentDistanceMeasurement.targetVisible=true;_this97._currentDistanceMeasurement.wireVisible=true;_this97._currentDistanceMeasurement.labelsVisible=true;_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);}else{if(_this97.pointerLens){_this97.pointerLens.cursorPos=null;_this97.pointerLens.snapped=false;}}}_this97._touchState=WAITING_FOR_TARGET_LONG_TOUCH_END;// console.log("touchstart: this._touchState= WAITING_FOR_TARGET_TOUCH_START -> WAITING_FOR_TARGET_LONG_TOUCH_END")
+if(_this97.pointerLens){_this97.pointerLens.visible=true;_this97.pointerLens.canvasPos=touchStartCanvasPos;_this97.pointerLens.snapped=false;}var snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this97._snapping,snapToEdge:_this97._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this97.pointerLens){_this97.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this97.pointerLens.snapped=true;}_this97.pointerCircle.start(toBodyPos(snapPickResult.snappedCanvasPos,tmpVec2));pointerWorldPos.set(snapPickResult.worldPos);_this97._currentDistanceMeasurement.target.worldPos=snapPickResult.worldPos;_this97._currentDistanceMeasurement.target.entity=snapPickResult.entity;_this97._currentDistanceMeasurement.targetVisible=true;_this97._currentDistanceMeasurement.wireVisible=true;_this97._currentDistanceMeasurement.labelsVisible=true;_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);}else{var _pickResult6=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(_pickResult6&&_pickResult6.worldPos){if(_this97.pointerLens){_this97.pointerLens.cursorPos=_pickResult6.canvasPos;_this97.pointerLens.snapped=false;}_this97.pointerCircle.start(toBodyPos(_pickResult6.canvasPos,tmpVec2));pointerWorldPos.set(_pickResult6.worldPos);_this97._currentDistanceMeasurement.target.worldPos=_pickResult6.worldPos;_this97._currentDistanceMeasurement.target.entity=_pickResult6.entity;_this97._currentDistanceMeasurement.targetVisible=true;_this97._currentDistanceMeasurement.wireVisible=true;_this97._currentDistanceMeasurement.labelsVisible=true;_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);}else{if(_this97.pointerLens){_this97.pointerLens.cursorPos=null;_this97.pointerLens.snapped=false;}}}_this97._touchState=WAITING_FOR_TARGET_LONG_TOUCH_END;// console.log("touchstart: this._touchState= WAITING_FOR_TARGET_TOUCH_START -> WAITING_FOR_TARGET_LONG_TOUCH_END")
 disableCameraNavigation();},_this97._longTouchTimeoutMs);_this97._touchState=WAITING_FOR_TARGET_QUICK_TOUCH_END;// console.log("touchstart: this._touchState= WAITING_FOR_TARGET_TOUCH_START -> WAITING_FOR_TARGET_QUICK_TOUCH_END")
 }touchId=touch.identifier;break;default:if(longTouchTimeout!==null){clearTimeout(longTouchTimeout);longTouchTimeout=null;}_this97._touchState=TOUCH_CANCELING;// console.log("touchstart: this._touchState= default -> TOUCH_CANCELING")
-return;}},{passive:true});canvas.addEventListener("touchmove",function(event){_this97.pointerCircle.stop();var currentNumTouches=event.touches.length;if(currentNumTouches!==1||event.changedTouches.length!==1){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}return;}var touch=event.touches[0];// Get the canvas's bounding rectangle
-var rect=canvas.getBoundingClientRect();// Calculate the touch position relative to the canvas
-var touchX=touch.clientX-rect.left;var touchY=touch.clientY-rect.top;if(touch.identifier!==touchId){return;}touchMoveCanvasPos.set([touchX,touchY]);var snapPickResult;var pickResult;switch(_this97._touchState){case WAITING_FOR_ORIGIN_LONG_TOUCH_END:if(_this97.pointerLens){_this97.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this97._snapping,snapToEdge:_this97._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this97.pointerLens){_this97.pointerLens.snappedCanvasPos=snapPickResult.snappedCanvasPos;_this97.pointerLens.snapped=true;}pointerWorldPos.set(snapPickResult.worldPos);if(!_this97._currentDistanceMeasurement){_this97._currentDistanceMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:snapPickResult.worldPos,entity:snapPickResult.entity},target:{worldPos:snapPickResult.worldPos,entity:snapPickResult.entity}});_this97._currentDistanceMeasurement.labelsVisible=false;_this97._currentDistanceMeasurement.xAxisVisible=false;_this97._currentDistanceMeasurement.yAxisVisible=false;_this97._currentDistanceMeasurement.zAxisVisible=false;_this97._currentDistanceMeasurement.wireVisible=false;_this97._currentDistanceMeasurement.originVisible=true;_this97._currentDistanceMeasurement.targetVisible=false;_this97._currentDistanceMeasurement.clickable=false;}else{_this97._currentDistanceMeasurement.origin.worldPos=snapPickResult.worldPos;}_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this97.pointerLens){_this97.pointerLens.cursorPos=pickResult.canvasPos;_this97.pointerLens.snapped=false;}pointerWorldPos.set(pickResult.worldPos);if(!_this97._currentDistanceMeasurement){_this97._currentDistanceMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:pickResult.worldPos,entity:pickResult.entity},target:{worldPos:pickResult.worldPos,entity:pickResult.entity}});_this97._currentDistanceMeasurement.labelsVisible=false;_this97._currentDistanceMeasurement.xAxisVisible=false;_this97._currentDistanceMeasurement.yAxisVisible=false;_this97._currentDistanceMeasurement.zAxisVisible=false;_this97._currentDistanceMeasurement.wireVisible=false;_this97._currentDistanceMeasurement.originVisible=true;_this97._currentDistanceMeasurement.targetVisible=false;_this97._currentDistanceMeasurement.clickable=false;}else{_this97._currentDistanceMeasurement.origin.worldPos=pickResult.worldPos;}_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);}else{if(_this97.pointerLens){_this97.pointerLens.cursorPos=null;_this97.pointerLens.snapped=false;}}}_this97._touchState=WAITING_FOR_ORIGIN_LONG_TOUCH_END;// console.log("touchmove: this._touchState= WAITING_FOR_ORIGIN_LONG_TOUCH_END -> WAITING_FOR_ORIGIN_LONG_TOUCH_END")
+return;}},{passive:true});canvas.addEventListener("touchmove",function(event){_this97.pointerCircle.stop();var currentNumTouches=event.touches.length;if(currentNumTouches!==1||event.changedTouches.length!==1){if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}return;}var touch=event.touches[0];if(touch.identifier!==touchId){return;}copyCanvasPos(touch,touchMoveCanvasPos);var snapPickResult;var pickResult;switch(_this97._touchState){case WAITING_FOR_ORIGIN_LONG_TOUCH_END:if(_this97.pointerLens){_this97.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this97._snapping,snapToEdge:_this97._snapping});if(snapPickResult&&snapPickResult.snapped){if(_this97.pointerLens){_this97.pointerLens.snappedCanvasPos=snapPickResult.snappedCanvasPos;_this97.pointerLens.snapped=true;}pointerWorldPos.set(snapPickResult.worldPos);if(!_this97._currentDistanceMeasurement){_this97._currentDistanceMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:snapPickResult.worldPos,entity:snapPickResult.entity},target:{worldPos:snapPickResult.worldPos,entity:snapPickResult.entity}});_this97._currentDistanceMeasurement.labelsVisible=false;_this97._currentDistanceMeasurement.xAxisVisible=false;_this97._currentDistanceMeasurement.yAxisVisible=false;_this97._currentDistanceMeasurement.zAxisVisible=false;_this97._currentDistanceMeasurement.wireVisible=false;_this97._currentDistanceMeasurement.originVisible=true;_this97._currentDistanceMeasurement.targetVisible=false;_this97._currentDistanceMeasurement.clickable=false;}else{_this97._currentDistanceMeasurement.origin.worldPos=snapPickResult.worldPos;}_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this97.pointerLens){_this97.pointerLens.cursorPos=pickResult.canvasPos;_this97.pointerLens.snapped=false;}pointerWorldPos.set(pickResult.worldPos);if(!_this97._currentDistanceMeasurement){_this97._currentDistanceMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:pickResult.worldPos,entity:pickResult.entity},target:{worldPos:pickResult.worldPos,entity:pickResult.entity}});_this97._currentDistanceMeasurement.labelsVisible=false;_this97._currentDistanceMeasurement.xAxisVisible=false;_this97._currentDistanceMeasurement.yAxisVisible=false;_this97._currentDistanceMeasurement.zAxisVisible=false;_this97._currentDistanceMeasurement.wireVisible=false;_this97._currentDistanceMeasurement.originVisible=true;_this97._currentDistanceMeasurement.targetVisible=false;_this97._currentDistanceMeasurement.clickable=false;}else{_this97._currentDistanceMeasurement.origin.worldPos=pickResult.worldPos;}_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);}else{if(_this97.pointerLens){_this97.pointerLens.cursorPos=null;_this97.pointerLens.snapped=false;}}}_this97._touchState=WAITING_FOR_ORIGIN_LONG_TOUCH_END;// console.log("touchmove: this._touchState= WAITING_FOR_ORIGIN_LONG_TOUCH_END -> WAITING_FOR_ORIGIN_LONG_TOUCH_END")
 break;// case WAITING_FOR_TARGET_TOUCH_START:
 //     this._touchState = WAITING_FOR_TARGET_TOUCH_START;
 //     console.log("touchmove: this._touchState= WAITING_FOR_TARGET_TOUCH_START -> WAITING_FOR_TARGET_TOUCH_START")
 //     break;
 case WAITING_FOR_TARGET_LONG_TOUCH_END:if(currentNumTouches!==1&&longTouchTimeout!==null){// Two or more fingers down
 clearTimeout(longTouchTimeout);longTouchTimeout=null;if(_this97.pointerLens){_this97.pointerLens.visible=false;}_this97._touchState=TOUCH_CANCELING;// console.log("touchmove: this._touchState= QUICK_TOUCH_FINDING_TARGET -> TOUCH_CANCELING")
-return;}if(_this97.pointerLens){_this97.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this97._snapping,snapToEdge:_this97._snapping});if(snapPickResult&&snapPickResult.worldPos){if(_this97.pointerLens){_this97.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this97.pointerLens.snapped=true;}_this97._currentDistanceMeasurement.target.worldPos=snapPickResult.worldPos;_this97._currentDistanceMeasurement.target.entity=snapPickResult.entity;_this97._currentDistanceMeasurement.targetVisible=true;_this97._currentDistanceMeasurement.wireVisible=true;_this97._currentDistanceMeasurement.labelsVisible=true;}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this97.pointerLens){_this97.pointerLens.cursorPos=pickResult.canvasPos;_this97.pointerLens.snapped=false;}_this97._currentDistanceMeasurement.target.worldPos=pickResult.worldPos;_this97._currentDistanceMeasurement.target.entity=pickResult.entity;_this97._currentDistanceMeasurement.targetVisible=true;_this97._currentDistanceMeasurement.wireVisible=true;_this97._currentDistanceMeasurement.labelsVisible=true;}}_this97._touchState=WAITING_FOR_TARGET_LONG_TOUCH_END;break;}},{passive:true});canvas.addEventListener("touchend",this._onCanvasTouchEnd=function(event){_this97.pointerCircle.stop();var numChangedTouches=event.changedTouches.length;if(numChangedTouches!==1){return;}var touch=event.changedTouches[0];// Get the canvas's bounding rectangle
-var rect=canvas.getBoundingClientRect();// Calculate the touch position relative to the canvas
-var touchX=touch.clientX-rect.left;var touchY=touch.clientY-rect.top;if(touch.identifier!==touchId){return;}if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}touchEndCanvasPos.set([touchX,touchY]);switch(_this97._touchState){case WAITING_FOR_ORIGIN_QUICK_TOUCH_END:{if(numChangedTouches!==1||touchX>touchStartCanvasPos[0]+touchTolerance||touchX<touchStartCanvasPos[0]-touchTolerance||touchY>touchStartCanvasPos[1]+touchTolerance||touchY<touchStartCanvasPos[1]-touchTolerance){_this97._touchState=WAITING_FOR_ORIGIN_TOUCH_START;return;}var pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){_this97._currentDistanceMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:pickResult.worldPos,entity:pickResult.entity},target:{worldPos:pickResult.worldPos,entity:pickResult.entity}});_this97._currentDistanceMeasurement.labelsVisible=false;_this97._currentDistanceMeasurement.xAxisVisible=false;_this97._currentDistanceMeasurement.yAxisVisible=false;_this97._currentDistanceMeasurement.zAxisVisible=false;_this97._currentDistanceMeasurement.wireVisible=false;_this97._currentDistanceMeasurement.originVisible=true;_this97._currentDistanceMeasurement.targetVisible=false;_this97._currentDistanceMeasurement.clickable=false;_this97._touchState=WAITING_FOR_TARGET_TOUCH_START;_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_QUICK_TOUCH_END -> WAITING_FOR_ORIGIN_TOUCH_START")
+return;}if(_this97.pointerLens){_this97.pointerLens.canvasPos=touchMoveCanvasPos;}snapPickResult=scene.pick({canvasPos:touchMoveCanvasPos,snapToVertex:_this97._snapping,snapToEdge:_this97._snapping});if(snapPickResult&&snapPickResult.worldPos){if(_this97.pointerLens){_this97.pointerLens.cursorPos=snapPickResult.snappedCanvasPos;_this97.pointerLens.snapped=true;}_this97._currentDistanceMeasurement.target.worldPos=snapPickResult.worldPos;_this97._currentDistanceMeasurement.target.entity=snapPickResult.entity;_this97._currentDistanceMeasurement.targetVisible=true;_this97._currentDistanceMeasurement.wireVisible=true;_this97._currentDistanceMeasurement.labelsVisible=true;}else{pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){if(_this97.pointerLens){_this97.pointerLens.cursorPos=pickResult.canvasPos;_this97.pointerLens.snapped=false;}_this97._currentDistanceMeasurement.target.worldPos=pickResult.worldPos;_this97._currentDistanceMeasurement.target.entity=pickResult.entity;_this97._currentDistanceMeasurement.targetVisible=true;_this97._currentDistanceMeasurement.wireVisible=true;_this97._currentDistanceMeasurement.labelsVisible=true;}}_this97._touchState=WAITING_FOR_TARGET_LONG_TOUCH_END;break;}},{passive:true});canvas.addEventListener("touchend",this._onCanvasTouchEnd=function(event){_this97.pointerCircle.stop();var numChangedTouches=event.changedTouches.length;if(numChangedTouches!==1){return;}var touch=event.changedTouches[0];if(touch.identifier!==touchId){return;}if(longTouchTimeout){clearTimeout(longTouchTimeout);longTouchTimeout=null;}copyCanvasPos(touch,touchEndCanvasPos);var touchX=touchEndCanvasPos[0];var touchY=touchEndCanvasPos[1];switch(_this97._touchState){case WAITING_FOR_ORIGIN_QUICK_TOUCH_END:{if(numChangedTouches!==1||touchX>touchStartCanvasPos[0]+touchTolerance||touchX<touchStartCanvasPos[0]-touchTolerance||touchY>touchStartCanvasPos[1]+touchTolerance||touchY<touchStartCanvasPos[1]-touchTolerance){_this97._touchState=WAITING_FOR_ORIGIN_TOUCH_START;return;}var pickResult=scene.pick({canvasPos:touchMoveCanvasPos,pickSurface:true});if(pickResult&&pickResult.worldPos){_this97._currentDistanceMeasurement=plugin.createMeasurement({id:math.createUUID(),origin:{worldPos:pickResult.worldPos,entity:pickResult.entity},target:{worldPos:pickResult.worldPos,entity:pickResult.entity}});_this97._currentDistanceMeasurement.labelsVisible=false;_this97._currentDistanceMeasurement.xAxisVisible=false;_this97._currentDistanceMeasurement.yAxisVisible=false;_this97._currentDistanceMeasurement.zAxisVisible=false;_this97._currentDistanceMeasurement.wireVisible=false;_this97._currentDistanceMeasurement.originVisible=true;_this97._currentDistanceMeasurement.targetVisible=false;_this97._currentDistanceMeasurement.clickable=false;_this97._touchState=WAITING_FOR_TARGET_TOUCH_START;_this97.distanceMeasurementsPlugin.fire("measurementStart",_this97._currentDistanceMeasurement);//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_QUICK_TOUCH_END -> WAITING_FOR_ORIGIN_TOUCH_START")
 }else{if(_this97._currentDistanceMeasurement){_this97._currentDistanceMeasurement.destroy();}_this97._touchState=WAITING_FOR_ORIGIN_TOUCH_START;//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_QUICK_TOUCH_END -> WAITING_FOR_ORIGIN_TOUCH_START")
 }}enableCameraNavigation();break;case WAITING_FOR_ORIGIN_LONG_TOUCH_END:if(_this97.pointerLens){_this97.pointerLens.visible=false;}if(!_this97._currentDistanceMeasurement){if(_this97.pointerLens){_this97.pointerLens.snapped=false;_this97.pointerLens.visible=false;}_this97._touchState=WAITING_FOR_ORIGIN_TOUCH_START;//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_LONG_TOUCH_END (no measurement) -> WAITING_FOR_ORIGIN_TOUCH_START")
 }else{_this97._touchState=WAITING_FOR_TARGET_TOUCH_START;//  console.log("touchend: this._touchState= WAITING_FOR_ORIGIN_LONG_TOUCH_END (picked, begin measurement) -> WAITING_FOR_TARGET_TOUCH_START")
@@ -25193,7 +25188,7 @@ snapshotCanvas.getContext("2d").resetTransform();case 26:_i508++;_context2.next=
      *
      */},{key:"endSnapshot",value:function endSnapshot(){if(!this._snapshotBegun){return;}this.scene._renderer.endSnapshot();this.scene._renderer.render({force:true});this._snapshotBegun=false;}/** Destroys this Viewer.
      */},{key:"destroy",value:function destroy(){var plugins=this._plugins.slice();// Array will modify as we delete plugins
-for(var _i509=0,len=plugins.length;_i509<len;_i509++){var plugin=plugins[_i509];plugin.destroy();}this.scene.destroy();}}]);return Viewer;}();function assert$5(condition,message){if(!condition){throw new Error(message||'loader assertion failed.');}}var isBrowser$4=Boolean((typeof process==="undefined"?"undefined":_typeof(process))!=='object'||String(process)!=='[object process]'||process.browser);var matches$1=typeof process!=='undefined'&&process.version&&/v([0-9]*)/.exec(process.version);matches$1&&parseFloat(matches$1[1])||0;var VERSION$9="3.2.6";function assert$4(condition,message){if(!condition){throw new Error(message||'loaders.gl assertion failed.');}}var globals$2={self:typeof self!=='undefined'&&self,window:typeof window!=='undefined'&&window,global:typeof global!=='undefined'&&global,document:typeof document!=='undefined'&&document};var global_=globals$2.global||globals$2.self||globals$2.window||{};var isBrowser$3=(typeof process==="undefined"?"undefined":_typeof(process))!=='object'||String(process)!=='[object process]'||process.browser;var isWorker=typeof importScripts==='function';var isMobile=typeof window!=='undefined'&&typeof window.orientation!=='undefined';var matches=typeof process!=='undefined'&&process.version&&/v([0-9]*)/.exec(process.version);matches&&parseFloat(matches[1])||0;function _defineProperty(obj,key,value){if(key in obj){Object.defineProperty(obj,key,{value:value,enumerable:true,configurable:true,writable:true});}else{obj[key]=value;}return obj;}var WorkerJob=/*#__PURE__*/function(){function WorkerJob(jobName,workerThread){var _this120=this;_classCallCheck(this,WorkerJob);_defineProperty(this,"name",void 0);_defineProperty(this,"workerThread",void 0);_defineProperty(this,"isRunning",true);_defineProperty(this,"result",void 0);_defineProperty(this,"_resolve",function(){});_defineProperty(this,"_reject",function(){});this.name=jobName;this.workerThread=workerThread;this.result=new Promise(function(resolve,reject){_this120._resolve=resolve;_this120._reject=reject;});}_createClass(WorkerJob,[{key:"postMessage",value:function postMessage(type,payload){this.workerThread.postMessage({source:'loaders.gl',type:type,payload:payload});}},{key:"done",value:function done(value){assert$4(this.isRunning);this.isRunning=false;this._resolve(value);}},{key:"error",value:function error(_error){assert$4(this.isRunning);this.isRunning=false;this._reject(_error);}}]);return WorkerJob;}();var Worker$1=/*#__PURE__*/_createClass(function Worker$1(){_classCallCheck(this,Worker$1);});var workerURLCache=new Map();function getLoadableWorkerURL(props){assert$4(props.source&&!props.url||!props.source&&props.url);var workerURL=workerURLCache.get(props.source||props.url);if(!workerURL){if(props.url){workerURL=getLoadableWorkerURLFromURL(props.url);workerURLCache.set(props.url,workerURL);}if(props.source){workerURL=getLoadableWorkerURLFromSource(props.source);workerURLCache.set(props.source,workerURL);}}assert$4(workerURL);return workerURL;}function getLoadableWorkerURLFromURL(url){if(!url.startsWith('http')){return url;}var workerSource=buildScriptSource(url);return getLoadableWorkerURLFromSource(workerSource);}function getLoadableWorkerURLFromSource(workerSource){var blob=new Blob([workerSource],{type:'application/javascript'});return URL.createObjectURL(blob);}function buildScriptSource(workerUrl){return"try {\n  importScripts('".concat(workerUrl,"');\n} catch (error) {\n  console.error(error);\n  throw error;\n}");}function getTransferList(object){var recursive=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;var transfers=arguments.length>2?arguments[2]:undefined;var transfersSet=transfers||new Set();if(!object);else if(isTransferable(object)){transfersSet.add(object);}else if(isTransferable(object.buffer)){transfersSet.add(object.buffer);}else if(ArrayBuffer.isView(object));else if(recursive&&_typeof(object)==='object'){for(var key in object){getTransferList(object[key],recursive,transfersSet);}}return transfers===undefined?Array.from(transfersSet):[];}function isTransferable(object){if(!object){return false;}if(object instanceof ArrayBuffer){return true;}if(typeof MessagePort!=='undefined'&&object instanceof MessagePort){return true;}if(typeof ImageBitmap!=='undefined'&&object instanceof ImageBitmap){return true;}if(typeof OffscreenCanvas!=='undefined'&&object instanceof OffscreenCanvas){return true;}return false;}var NOOP=function NOOP(){};var WorkerThread=/*#__PURE__*/function(){function WorkerThread(props){_classCallCheck(this,WorkerThread);_defineProperty(this,"name",void 0);_defineProperty(this,"source",void 0);_defineProperty(this,"url",void 0);_defineProperty(this,"terminated",false);_defineProperty(this,"worker",void 0);_defineProperty(this,"onMessage",void 0);_defineProperty(this,"onError",void 0);_defineProperty(this,"_loadableURL",'');var name=props.name,source=props.source,url=props.url;assert$4(source||url);this.name=name;this.source=source;this.url=url;this.onMessage=NOOP;this.onError=function(error){return console.log(error);};this.worker=isBrowser$3?this._createBrowserWorker():this._createNodeWorker();}_createClass(WorkerThread,[{key:"destroy",value:function destroy(){this.onMessage=NOOP;this.onError=NOOP;this.worker.terminate();this.terminated=true;}},{key:"isRunning",get:function get(){return Boolean(this.onMessage);}},{key:"postMessage",value:function postMessage(data,transferList){transferList=transferList||getTransferList(data);this.worker.postMessage(data,transferList);}},{key:"_getErrorFromErrorEvent",value:function _getErrorFromErrorEvent(event){var message='Failed to load ';message+="worker ".concat(this.name," from ").concat(this.url,". ");if(event.message){message+="".concat(event.message," in ");}if(event.lineno){message+=":".concat(event.lineno,":").concat(event.colno);}return new Error(message);}},{key:"_createBrowserWorker",value:function _createBrowserWorker(){var _this121=this;this._loadableURL=getLoadableWorkerURL({source:this.source,url:this.url});var worker=new Worker(this._loadableURL,{name:this.name});worker.onmessage=function(event){if(!event.data){_this121.onError(new Error('No data received'));}else{_this121.onMessage(event.data);}};worker.onerror=function(error){_this121.onError(_this121._getErrorFromErrorEvent(error));_this121.terminated=true;};worker.onmessageerror=function(event){return console.error(event);};return worker;}},{key:"_createNodeWorker",value:function _createNodeWorker(){var _this122=this;var worker;if(this.url){var absolute=this.url.includes(':/')||this.url.startsWith('/');var url=absolute?this.url:"./".concat(this.url);worker=new Worker$1(url,{eval:false});}else if(this.source){worker=new Worker$1(this.source,{eval:true});}else{throw new Error('no worker');}worker.on('message',function(data){_this122.onMessage(data);});worker.on('error',function(error){_this122.onError(error);});worker.on('exit',function(code){});return worker;}}],[{key:"isSupported",value:function isSupported(){return typeof Worker!=='undefined'&&isBrowser$3||_typeof(Worker$1)!==undefined;}}]);return WorkerThread;}();var WorkerPool=/*#__PURE__*/function(){function WorkerPool(props){_classCallCheck(this,WorkerPool);_defineProperty(this,"name",'unnamed');_defineProperty(this,"source",void 0);_defineProperty(this,"url",void 0);_defineProperty(this,"maxConcurrency",1);_defineProperty(this,"maxMobileConcurrency",1);_defineProperty(this,"onDebug",function(){});_defineProperty(this,"reuseWorkers",true);_defineProperty(this,"props",{});_defineProperty(this,"jobQueue",[]);_defineProperty(this,"idleQueue",[]);_defineProperty(this,"count",0);_defineProperty(this,"isDestroyed",false);this.source=props.source;this.url=props.url;this.setProps(props);}_createClass(WorkerPool,[{key:"destroy",value:function destroy(){this.idleQueue.forEach(function(worker){return worker.destroy();});this.isDestroyed=true;}},{key:"setProps",value:function setProps(props){this.props=_objectSpread(_objectSpread({},this.props),props);if(props.name!==undefined){this.name=props.name;}if(props.maxConcurrency!==undefined){this.maxConcurrency=props.maxConcurrency;}if(props.maxMobileConcurrency!==undefined){this.maxMobileConcurrency=props.maxMobileConcurrency;}if(props.reuseWorkers!==undefined){this.reuseWorkers=props.reuseWorkers;}if(props.onDebug!==undefined){this.onDebug=props.onDebug;}}},{key:"startJob",value:function(){var _startJob=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(name){var _this123=this;var onMessage,onError,startPromise,_args2=arguments;return _regeneratorRuntime().wrap(function _callee2$(_context3){while(1){switch(_context3.prev=_context3.next){case 0:onMessage=_args2.length>1&&_args2[1]!==undefined?_args2[1]:function(job,type,data){return job.done(data);};onError=_args2.length>2&&_args2[2]!==undefined?_args2[2]:function(job,error){return job.error(error);};startPromise=new Promise(function(onStart){_this123.jobQueue.push({name:name,onMessage:onMessage,onError:onError,onStart:onStart});return _this123;});this._startQueuedJob();_context3.next=6;return startPromise;case 6:return _context3.abrupt("return",_context3.sent);case 7:case"end":return _context3.stop();}}},_callee2,this);}));function startJob(_x7){return _startJob.apply(this,arguments);}return startJob;}()},{key:"_startQueuedJob",value:function(){var _startQueuedJob2=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3(){var workerThread,queuedJob,job;return _regeneratorRuntime().wrap(function _callee3$(_context4){while(1){switch(_context4.prev=_context4.next){case 0:if(this.jobQueue.length){_context4.next=2;break;}return _context4.abrupt("return");case 2:workerThread=this._getAvailableWorker();if(workerThread){_context4.next=5;break;}return _context4.abrupt("return");case 5:queuedJob=this.jobQueue.shift();if(!queuedJob){_context4.next=18;break;}this.onDebug({message:'Starting job',name:queuedJob.name,workerThread:workerThread,backlog:this.jobQueue.length});job=new WorkerJob(queuedJob.name,workerThread);workerThread.onMessage=function(data){return queuedJob.onMessage(job,data.type,data.payload);};workerThread.onError=function(error){return queuedJob.onError(job,error);};queuedJob.onStart(job);_context4.prev=12;_context4.next=15;return job.result;case 15:_context4.prev=15;this.returnWorkerToQueue(workerThread);return _context4.finish(15);case 18:case"end":return _context4.stop();}}},_callee3,this,[[12,,15,18]]);}));function _startQueuedJob(){return _startQueuedJob2.apply(this,arguments);}return _startQueuedJob;}()},{key:"returnWorkerToQueue",value:function returnWorkerToQueue(worker){var shouldDestroyWorker=this.isDestroyed||!this.reuseWorkers||this.count>this._getMaxConcurrency();if(shouldDestroyWorker){worker.destroy();this.count--;}else{this.idleQueue.push(worker);}if(!this.isDestroyed){this._startQueuedJob();}}},{key:"_getAvailableWorker",value:function _getAvailableWorker(){if(this.idleQueue.length>0){return this.idleQueue.shift()||null;}if(this.count<this._getMaxConcurrency()){this.count++;var _name5="".concat(this.name.toLowerCase()," (#").concat(this.count," of ").concat(this.maxConcurrency,")");return new WorkerThread({name:_name5,source:this.source,url:this.url});}return null;}},{key:"_getMaxConcurrency",value:function _getMaxConcurrency(){return isMobile?this.maxMobileConcurrency:this.maxConcurrency;}}],[{key:"isSupported",value:function isSupported(){return WorkerThread.isSupported();}}]);return WorkerPool;}();var DEFAULT_PROPS={maxConcurrency:3,maxMobileConcurrency:1,reuseWorkers:true,onDebug:function onDebug(){}};var WorkerFarm=/*#__PURE__*/function(){function WorkerFarm(props){_classCallCheck(this,WorkerFarm);_defineProperty(this,"props",void 0);_defineProperty(this,"workerPools",new Map());this.props=_objectSpread({},DEFAULT_PROPS);this.setProps(props);this.workerPools=new Map();}_createClass(WorkerFarm,[{key:"destroy",value:function destroy(){var _iterator5=_createForOfIteratorHelper(this.workerPools.values()),_step5;try{for(_iterator5.s();!(_step5=_iterator5.n()).done;){var workerPool=_step5.value;workerPool.destroy();}}catch(err){_iterator5.e(err);}finally{_iterator5.f();}this.workerPools=new Map();}},{key:"setProps",value:function setProps(props){this.props=_objectSpread(_objectSpread({},this.props),props);var _iterator6=_createForOfIteratorHelper(this.workerPools.values()),_step6;try{for(_iterator6.s();!(_step6=_iterator6.n()).done;){var workerPool=_step6.value;workerPool.setProps(this._getWorkerPoolProps());}}catch(err){_iterator6.e(err);}finally{_iterator6.f();}}},{key:"getWorkerPool",value:function getWorkerPool(options){var name=options.name,source=options.source,url=options.url;var workerPool=this.workerPools.get(name);if(!workerPool){workerPool=new WorkerPool({name:name,source:source,url:url});workerPool.setProps(this._getWorkerPoolProps());this.workerPools.set(name,workerPool);}return workerPool;}},{key:"_getWorkerPoolProps",value:function _getWorkerPoolProps(){return{maxConcurrency:this.props.maxConcurrency,maxMobileConcurrency:this.props.maxMobileConcurrency,reuseWorkers:this.props.reuseWorkers,onDebug:this.props.onDebug};}}],[{key:"isSupported",value:function isSupported(){return WorkerThread.isSupported();}},{key:"getWorkerFarm",value:function getWorkerFarm(){var props=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};WorkerFarm._workerFarm=WorkerFarm._workerFarm||new WorkerFarm({});WorkerFarm._workerFarm.setProps(props);return WorkerFarm._workerFarm;}}]);return WorkerFarm;}();_defineProperty(WorkerFarm,"_workerFarm",void 0);var NPM_TAG='latest';function getWorkerURL(worker){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var workerOptions=options[worker.id]||{};var 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assert(condition,message){assert$3(condition,message);}},{key:"warn",value:function warn(message){return this._getLogFunction(0,message,originalConsole$1.warn,arguments,ONCE$1);}},{key:"error",value:function error(message){return this._getLogFunction(0,message,originalConsole$1.error,arguments);}},{key:"deprecated",value:function deprecated(oldUsage,newUsage){return this.warn("`".concat(oldUsage,"` is deprecated and will be removed in a later version. 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image;}(function(_ref17){var logLevel=_ref17.logLevel,priority=_ref17.priority,image=_ref17.image,_ref17$message=_ref17.message,message=_ref17$message===void 0?'':_ref17$message,_ref17$scale=_ref17.scale,scale=_ref17$scale===void 0?1:_ref17$scale;if(!this._shouldLog(logLevel||priority)){return noop$1;}return isBrowser$1?logImageInBrowser$1({image:image,message:message,scale:scale}):logImageInNode$1({image:image,message:message,scale:scale});})},{key:"settings",value:function settings(){if(console.table){console.table(this._storage.config);}else{console.log(this._storage.config);}}},{key:"get",value:function get(setting){return this._storage.config[setting];}},{key:"set",value:function set(setting,value){this._storage.updateConfiguration(_defineProperty2({},setting,value));}},{key:"time",value:function time(logLevel,message){return this._getLogFunction(logLevel,message,console.time?console.time:console.info);}},{key:"timeEnd",value:function timeEnd(logLevel,message){return this._getLogFunction(logLevel,message,console.timeEnd?console.timeEnd:console.info);}},{key:"timeStamp",value:function timeStamp(logLevel,message){return this._getLogFunction(logLevel,message,console.timeStamp||noop$1);}},{key:"group",value:function group(logLevel,message){var opts=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{collapsed:false};opts=normalizeArguments$1({logLevel:logLevel,message:message,opts:opts});var _opts=opts,collapsed=_opts.collapsed;opts.method=(collapsed?console.groupCollapsed:console.group)||console.info;return this._getLogFunction(opts);}},{key:"groupCollapsed",value:function groupCollapsed(logLevel,message){var opts=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{};return this.group(logLevel,message,Object.assign({},opts,{collapsed:true}));}},{key:"groupEnd",value:function groupEnd(logLevel){return this._getLogFunction(logLevel,'',console.groupEnd||noop$1);}},{key:"withGroup",value:function withGroup(logLevel,message,func){this.group(logLevel,message)();try{func();}finally{this.groupEnd(logLevel)();}}},{key:"trace",value:function trace(){if(console.trace){console.trace();}}},{key:"_shouldLog",value:function _shouldLog(logLevel){return this.isEnabled()&&this.getLevel()>=normalizeLogLevel$1(logLevel);}},{key:"_getLogFunction",value:function _getLogFunction(logLevel,message,method){var args=arguments.length>3&&arguments[3]!==undefined?arguments[3]:[];var opts=arguments.length>4?arguments[4]:undefined;if(this._shouldLog(logLevel)){var _method;opts=normalizeArguments$1({logLevel:logLevel,message:message,args:args,opts:opts});method=method||opts.method;assert$3(method);opts.total=this.getTotal();opts.delta=this.getDelta();this._deltaTs=getHiResTimestamp$1();var tag=opts.tag||opts.message;if(opts.once){if(!cache$1[tag]){cache$1[tag]=getHiResTimestamp$1();}else{return noop$1;}}message=decorateMessage$1(this.id,opts.message,opts);return(_method=method).bind.apply(_method,[console,message].concat(_toConsumableArray(opts.args)));}return noop$1;}}]);return Log$1;}();Log$1.VERSION=VERSION$7;function normalizeLogLevel$1(logLevel){if(!logLevel){return 0;}var resolvedLevel;switch(_typeof(logLevel)){case'number':resolvedLevel=logLevel;break;case'object':resolvedLevel=logLevel.logLevel||logLevel.priority||0;break;default:return 0;}assert$3(Number.isFinite(resolvedLevel)&&resolvedLevel>=0);return resolvedLevel;}function normalizeArguments$1(opts){var logLevel=opts.logLevel,message=opts.message;opts.logLevel=normalizeLogLevel$1(logLevel);var args=opts.args?Array.from(opts.args):[];while(args.length&&args.shift()!==message){}opts.args=args;switch(_typeof(logLevel)){case'string':case'function':if(message!==undefined){args.unshift(message);}opts.message=logLevel;break;case'object':Object.assign(opts,logLevel);break;}if(typeof opts.message==='function'){opts.message=opts.message();}var messageType=_typeof(opts.message);assert$3(messageType==='string'||messageType==='object');return Object.assign(opts,opts.opts);}function decorateMessage$1(id,message,opts){if(typeof message==='string'){var _time=opts.time?leftPad$1(formatTime$1(opts.total)):'';message=opts.time?"".concat(id,": ").concat(_time,"  ").concat(message):"".concat(id,": ").concat(message);message=addColor$1(message,opts.color,opts.background);}return message;}function logImageInNode$1(_ref18){var image=_ref18.image,_ref18$message=_ref18.message,message=_ref18$message===void 0?'':_ref18$message,_ref18$scale=_ref18.scale,scale=_ref18$scale===void 0?1:_ref18$scale;var asciify=null;try{asciify=module.require('asciify-image');}catch(error){}if(asciify){return function(){return asciify(image,{fit:'box',width:"".concat(Math.round(80*scale),"%")}).then(function(data){return console.log(data);});};}return noop$1;}function logImageInBrowser$1(_ref19){var image=_ref19.image,_ref19$message=_ref19.message,message=_ref19$message===void 0?'':_ref19$message,_ref19$scale=_ref19.scale,scale=_ref19$scale===void 0?1:_ref19$scale;if(typeof image==='string'){var img=new Image();img.onload=function(){var _console;var args=formatImage$1(img,message,scale);(_console=console).log.apply(_console,_toConsumableArray(args));};img.src=image;return noop$1;}var element=image.nodeName||'';if(element.toLowerCase()==='img'){var _console2;(_console2=console).log.apply(_console2,_toConsumableArray(formatImage$1(image,message,scale)));return noop$1;}if(element.toLowerCase()==='canvas'){var _img=new Image();_img.onload=function(){var _console3;return(_console3=console).log.apply(_console3,_toConsumableArray(formatImage$1(_img,message,scale)));};_img.src=image.toDataURL();return noop$1;}return noop$1;}var probeLog=new Log$1({id:'loaders.gl'});var NullLog=/*#__PURE__*/function(){function NullLog(){_classCallCheck(this,NullLog);}_createClass(NullLog,[{key:"log",value:function log(){return function(){};}},{key:"info",value:function info(){return function(){};}},{key:"warn",value:function warn(){return function(){};}},{key:"error",value:function error(){return function(){};}}]);return NullLog;}();var ConsoleLog=/*#__PURE__*/function(){function ConsoleLog(){_classCallCheck(this,ConsoleLog);_defineProperty(this,"console",void 0);this.console=console;}_createClass(ConsoleLog,[{key:"log",value:function log(){var _this$console$log;for(var _len102=arguments.length,args=new Array(_len102),_key7=0;_key7<_len102;_key7++){args[_key7]=arguments[_key7];}return(_this$console$log=this.console.log).bind.apply(_this$console$log,[this.console].concat(args));}},{key:"info",value:function info(){var _this$console$info;for(var _len103=arguments.length,args=new Array(_len103),_key8=0;_key8<_len103;_key8++){args[_key8]=arguments[_key8];}return(_this$console$info=this.console.info).bind.apply(_this$console$info,[this.console].concat(args));}},{key:"warn",value:function warn(){var _this$console$warn;for(var _len104=arguments.length,args=new Array(_len104),_key9=0;_key9<_len104;_key9++){args[_key9]=arguments[_key9];}return(_this$console$warn=this.console.warn).bind.apply(_this$console$warn,[this.console].concat(args));}},{key:"error",value:function error(){var _this$console$error;for(var _len105=arguments.length,args=new Array(_len105),_key10=0;_key10<_len105;_key10++){args[_key10]=arguments[_key10];}return(_this$console$error=this.console.error).bind.apply(_this$console$error,[this.console].concat(args));}}]);return ConsoleLog;}();var DEFAULT_LOADER_OPTIONS={fetch:null,mimeType:undefined,nothrow:false,log:new ConsoleLog(),CDN:'https://unpkg.com/@loaders.gl',worker:true,maxConcurrency:3,maxMobileConcurrency:1,reuseWorkers:isBrowser$4,_nodeWorkers:false,_workerType:'',limit:0,_limitMB:0,batchSize:'auto',batchDebounceMs:0,metadata:false,transforms:[]};var REMOVED_LOADER_OPTIONS={"throws":'nothrow',dataType:'(no longer used)',uri:'baseUri',method:'fetch.method',headers:'fetch.headers',body:'fetch.body',mode:'fetch.mode',credentials:'fetch.credentials',cache:'fetch.cache',redirect:'fetch.redirect',referrer:'fetch.referrer',referrerPolicy:'fetch.referrerPolicy',integrity:'fetch.integrity',keepalive:'fetch.keepalive',signal:'fetch.signal'};function getGlobalLoaderState(){globalThis.loaders=globalThis.loaders||{};var loaders=globalThis.loaders;loaders._state=loaders._state||{};return loaders._state;}var getGlobalLoaderOptions=function getGlobalLoaderOptions(){var state=getGlobalLoaderState();state.globalOptions=state.globalOptions||_objectSpread({},DEFAULT_LOADER_OPTIONS);return state.globalOptions;};function normalizeOptions(options,loader,loaders,url){loaders=loaders||[];loaders=Array.isArray(loaders)?loaders:[loaders];validateOptions(options,loaders);return normalizeOptionsInternal(loader,options,url);}function getFetchFunction(options,context){var globalOptions=getGlobalLoaderOptions();var fetchOptions=options||globalOptions;if(typeof fetchOptions.fetch==='function'){return fetchOptions.fetch;}if(isObject(fetchOptions.fetch)){return function(url){return fetchFile(url,fetchOptions);};}if(context!==null&&context!==void 0&&context.fetch){return context===null||context===void 0?void 0:context.fetch;}return fetchFile;}function validateOptions(options,loaders){validateOptionsObject(options,null,DEFAULT_LOADER_OPTIONS,REMOVED_LOADER_OPTIONS,loaders);var _iterator9=_createForOfIteratorHelper(loaders),_step9;try{for(_iterator9.s();!(_step9=_iterator9.n()).done;){var loader=_step9.value;var idOptions=options&&options[loader.id]||{};var loaderOptions=loader.options&&loader.options[loader.id]||{};var deprecatedOptions=loader.deprecatedOptions&&loader.deprecatedOptions[loader.id]||{};validateOptionsObject(idOptions,loader.id,loaderOptions,deprecatedOptions,loaders);}}catch(err){_iterator9.e(err);}finally{_iterator9.f();}}function validateOptionsObject(options,id,defaultOptions,deprecatedOptions,loaders){var loaderName=id||'Top level';var prefix=id?"".concat(id,"."):'';for(var key in options){var isSubOptions=!id&&isObject(options[key]);var isBaseUriOption=key==='baseUri'&&!id;var isWorkerUrlOption=key==='workerUrl'&&id;if(!(key in defaultOptions)&&!isBaseUriOption&&!isWorkerUrlOption){if(key in deprecatedOptions){probeLog.warn("".concat(loaderName," loader option '").concat(prefix).concat(key,"' no longer supported, use '").concat(deprecatedOptions[key],"'"))();}else if(!isSubOptions){var suggestion=findSimilarOption(key,loaders);probeLog.warn("".concat(loaderName," loader option '").concat(prefix).concat(key,"' not recognized. ").concat(suggestion))();}}}}function findSimilarOption(optionKey,loaders){var lowerCaseOptionKey=optionKey.toLowerCase();var bestSuggestion='';var _iterator10=_createForOfIteratorHelper(loaders),_step10;try{for(_iterator10.s();!(_step10=_iterator10.n()).done;){var loader=_step10.value;for(var key in loader.options){if(optionKey===key){return"Did you mean '".concat(loader.id,".").concat(key,"'?");}var lowerCaseKey=key.toLowerCase();var isPartialMatch=lowerCaseOptionKey.startsWith(lowerCaseKey)||lowerCaseKey.startsWith(lowerCaseOptionKey);if(isPartialMatch){bestSuggestion=bestSuggestion||"Did you mean '".concat(loader.id,".").concat(key,"'?");}}}}catch(err){_iterator10.e(err);}finally{_iterator10.f();}return bestSuggestion;}function normalizeOptionsInternal(loader,options,url){var loaderDefaultOptions=loader.options||{};var mergedOptions=_objectSpread({},loaderDefaultOptions);addUrlOptions(mergedOptions,url);if(mergedOptions.log===null){mergedOptions.log=new NullLog();}mergeNestedFields(mergedOptions,getGlobalLoaderOptions());mergeNestedFields(mergedOptions,options);return mergedOptions;}function mergeNestedFields(mergedOptions,options){for(var key in options){if(key in options){var value=options[key];if(isPureObject(value)&&isPureObject(mergedOptions[key])){mergedOptions[key]=_objectSpread(_objectSpread({},mergedOptions[key]),options[key]);}else{mergedOptions[key]=options[key];}}}}function addUrlOptions(options,url){if(url&&!('baseUri'in options)){options.baseUri=url;}}function isLoaderObject(loader){var _loader;if(!loader){return false;}if(Array.isArray(loader)){loader=loader[0];}var hasExtensions=Array.isArray((_loader=loader)===null||_loader===void 0?void 0:_loader.extensions);return hasExtensions;}function normalizeLoader(loader){var _loader2,_loader3;assert$5(loader,'null loader');assert$5(isLoaderObject(loader),'invalid loader');var options;if(Array.isArray(loader)){options=loader[1];loader=loader[0];loader=_objectSpread(_objectSpread({},loader),{},{options:_objectSpread(_objectSpread({},loader.options),options)});}if((_loader2=loader)!==null&&_loader2!==void 0&&_loader2.parseTextSync||(_loader3=loader)!==null&&_loader3!==void 0&&_loader3.parseText){loader.text=true;}if(!loader.text){loader.binary=true;}return loader;}var getGlobalLoaderRegistry=function getGlobalLoaderRegistry(){var state=getGlobalLoaderState();state.loaderRegistry=state.loaderRegistry||[];return state.loaderRegistry;};function getRegisteredLoaders(){return getGlobalLoaderRegistry();}function isElectron(mockUserAgent){if(typeof window!=='undefined'&&_typeof(window.process)==='object'&&window.process.type==='renderer'){return true;}if(typeof process!=='undefined'&&_typeof(process.versions)==='object'&&Boolean(process.versions.electron)){return true;}var realUserAgent=(typeof navigator==="undefined"?"undefined":_typeof(navigator))==='object'&&typeof navigator.userAgent==='string'&&navigator.userAgent;var userAgent=mockUserAgent||realUserAgent;if(userAgent&&userAgent.indexOf('Electron')>=0){return true;}return false;}function isBrowser(){var isNode=(typeof process==="undefined"?"undefined":_typeof(process))==='object'&&String(process)==='[object process]'&&!process.browser;return!isNode||isElectron();}var globals={self:typeof self!=='undefined'&&self,window:typeof window!=='undefined'&&window,global:typeof global!=='undefined'&&global,document:typeof document!=='undefined'&&document,process:(typeof process==="undefined"?"undefined":_typeof(process))==='object'&&process};var window_=globals.window||globals.self||globals.global;var process_=globals.process||{};var VERSION$6=typeof __VERSION__!=='undefined'?__VERSION__:'untranspiled source';isBrowser();function getStorage(type){try{var storage=window[type];var x='__storage_test__';storage.setItem(x,x);storage.removeItem(x);return storage;}catch(e){return null;}}var LocalStorage=/*#__PURE__*/function(){function LocalStorage(id){_classCallCheck(this,LocalStorage);var defaultSettings=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var type=arguments.length>2&&arguments[2]!==undefined?arguments[2]:'sessionStorage';_defineProperty(this,"storage",void 0);_defineProperty(this,"id",void 0);_defineProperty(this,"config",{});this.storage=getStorage(type);this.id=id;this.config={};Object.assign(this.config,defaultSettings);this._loadConfiguration();}_createClass(LocalStorage,[{key:"getConfiguration",value:function getConfiguration(){return this.config;}},{key:"setConfiguration",value:function setConfiguration(configuration){this.config={};return this.updateConfiguration(configuration);}},{key:"updateConfiguration",value:function updateConfiguration(configuration){Object.assign(this.config,configuration);if(this.storage){var serialized=JSON.stringify(this.config);this.storage.setItem(this.id,serialized);}return this;}},{key:"_loadConfiguration",value:function _loadConfiguration(){var configuration={};if(this.storage){var serializedConfiguration=this.storage.getItem(this.id);configuration=serializedConfiguration?JSON.parse(serializedConfiguration):{};}Object.assign(this.config,configuration);return this;}}]);return LocalStorage;}();function formatTime(ms){var formatted;if(ms<10){formatted="".concat(ms.toFixed(2),"ms");}else if(ms<100){formatted="".concat(ms.toFixed(1),"ms");}else if(ms<1000){formatted="".concat(ms.toFixed(0),"ms");}else{formatted="".concat((ms/1000).toFixed(2),"s");}return formatted;}function leftPad(string){var length=arguments.length>1&&arguments[1]!==undefined?arguments[1]:8;var padLength=Math.max(length-string.length,0);return"".concat(' '.repeat(padLength)).concat(string);}function formatImage(image,message,scale){var maxWidth=arguments.length>3&&arguments[3]!==undefined?arguments[3]:600;var imageUrl=image.src.replace(/\(/g,'%28').replace(/\)/g,'%29');if(image.width>maxWidth){scale=Math.min(scale,maxWidth/image.width);}var width=image.width*scale;var height=image.height*scale;var style=['font-size:1px;',"padding:".concat(Math.floor(height/2),"px ").concat(Math.floor(width/2),"px;"),"line-height:".concat(height,"px;"),"background:url(".concat(imageUrl,");"),"background-size:".concat(width,"px ").concat(height,"px;"),'color:transparent;'].join('');return["".concat(message," %c+"),style];}var COLOR;(function(COLOR){COLOR[COLOR["BLACK"]=30]="BLACK";COLOR[COLOR["RED"]=31]="RED";COLOR[COLOR["GREEN"]=32]="GREEN";COLOR[COLOR["YELLOW"]=33]="YELLOW";COLOR[COLOR["BLUE"]=34]="BLUE";COLOR[COLOR["MAGENTA"]=35]="MAGENTA";COLOR[COLOR["CYAN"]=36]="CYAN";COLOR[COLOR["WHITE"]=37]="WHITE";COLOR[COLOR["BRIGHT_BLACK"]=90]="BRIGHT_BLACK";COLOR[COLOR["BRIGHT_RED"]=91]="BRIGHT_RED";COLOR[COLOR["BRIGHT_GREEN"]=92]="BRIGHT_GREEN";COLOR[COLOR["BRIGHT_YELLOW"]=93]="BRIGHT_YELLOW";COLOR[COLOR["BRIGHT_BLUE"]=94]="BRIGHT_BLUE";COLOR[COLOR["BRIGHT_MAGENTA"]=95]="BRIGHT_MAGENTA";COLOR[COLOR["BRIGHT_CYAN"]=96]="BRIGHT_CYAN";COLOR[COLOR["BRIGHT_WHITE"]=97]="BRIGHT_WHITE";})(COLOR||(COLOR={}));function getColor(color){return typeof color==='string'?COLOR[color.toUpperCase()]||COLOR.WHITE:color;}function addColor(string,color,background){if(!isBrowser&&typeof string==='string'){if(color){color=getColor(color);string="\x1B[".concat(color,"m").concat(string,"\x1B[39m");}if(background){color=getColor(background);string="\x1B[".concat(background+10,"m").concat(string,"\x1B[49m");}}return string;}function autobind(obj){var predefined=arguments.length>1&&arguments[1]!==undefined?arguments[1]:['constructor'];var proto=Object.getPrototypeOf(obj);var propNames=Object.getOwnPropertyNames(proto);var _iterator11=_createForOfIteratorHelper(propNames),_step11;try{var _loop5=function _loop5(){var key=_step11.value;if(typeof obj[key]==='function'){if(!predefined.find(function(name){return key===name;})){obj[key]=obj[key].bind(obj);}}};for(_iterator11.s();!(_step11=_iterator11.n()).done;){_loop5();}}catch(err){_iterator11.e(err);}finally{_iterator11.f();}}function assert$2(condition,message){if(!condition){throw new Error(message||'Assertion failed');}}function getHiResTimestamp(){var timestamp;if(isBrowser&&'performance'in window_){var _window$performance,_window$performance$n;timestamp=window_===null||window_===void 0?void 0:(_window$performance=window_.performance)===null||_window$performance===void 0?void 0:(_window$performance$n=_window$performance.now)===null||_window$performance$n===void 0?void 0:_window$performance$n.call(_window$performance);}else if('hrtime'in process_){var _process$hrtime;var timeParts=process_===null||process_===void 0?void 0:(_process$hrtime=process_.hrtime)===null||_process$hrtime===void 0?void 0:_process$hrtime.call(process_);timestamp=timeParts[0]*1000+timeParts[1]/1e6;}else{timestamp=Date.now();}return timestamp;}var originalConsole={debug:isBrowser?console.debug||console.log:console.log,log:console.log,info:console.info,warn:console.warn,error:console.error};var DEFAULT_SETTINGS={enabled:true,level:0};function noop(){}var cache={};var ONCE={once:true};var Log=/*#__PURE__*/function(){function Log(){_classCallCheck(this,Log);var _ref20=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{id:''},id=_ref20.id;_defineProperty(this,"id",void 0);_defineProperty(this,"VERSION",VERSION$6);_defineProperty(this,"_startTs",getHiResTimestamp());_defineProperty(this,"_deltaTs",getHiResTimestamp());_defineProperty(this,"_storage",void 0);_defineProperty(this,"userData",{});_defineProperty(this,"LOG_THROTTLE_TIMEOUT",0);this.id=id;this._storage=new LocalStorage("__probe-".concat(this.id,"__"),DEFAULT_SETTINGS);this.userData={};this.timeStamp("".concat(this.id," started"));autobind(this);Object.seal(this);}_createClass(Log,[{key:"level",get:function get(){return this.getLevel();},set:function set(newLevel){this.setLevel(newLevel);}},{key:"isEnabled",value:function isEnabled(){return this._storage.config.enabled;}},{key:"getLevel",value:function getLevel(){return this._storage.config.level;}},{key:"getTotal",value:function getTotal(){return Number((getHiResTimestamp()-this._startTs).toPrecision(10));}},{key:"getDelta",value:function getDelta(){return Number((getHiResTimestamp()-this._deltaTs).toPrecision(10));}},{key:"priority",get:function get(){return this.level;},set:function set(newPriority){this.level=newPriority;}},{key:"getPriority",value:function getPriority(){return this.level;}},{key:"enable",value:function enable(){var enabled=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;this._storage.updateConfiguration({enabled:enabled});return this;}},{key:"setLevel",value:function setLevel(level){this._storage.updateConfiguration({level:level});return this;}},{key:"get",value:function get(setting){return this._storage.config[setting];}},{key:"set",value:function set(setting,value){this._storage.updateConfiguration(_defineProperty2({},setting,value));}},{key:"settings",value:function settings(){if(console.table){console.table(this._storage.config);}else{console.log(this._storage.config);}}},{key:"assert",value:function assert(condition,message){assert$2(condition,message);}},{key:"warn",value:function warn(message){return this._getLogFunction(0,message,originalConsole.warn,arguments,ONCE);}},{key:"error",value:function error(message){return this._getLogFunction(0,message,originalConsole.error,arguments);}},{key:"deprecated",value:function deprecated(oldUsage,newUsage){return this.warn("`".concat(oldUsage,"` is deprecated and will be removed in a later version. Use `").concat(newUsage,"` instead"));}},{key:"removed",value:function removed(oldUsage,newUsage){return this.error("`".concat(oldUsage,"` has been removed. 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logLevel=_ref.logLevel,priority=_ref.priority,image=_ref.image,_ref$message=_ref.message,message=_ref$message===void 0?'':_ref$message,_ref$scale=_ref.scale,scale=_ref$scale===void 0?1:_ref$scale;if(!this._shouldLog(logLevel||priority)){return noop;}return isBrowser?logImageInBrowser({image:image,message:message,scale:scale}):logImageInNode({image:image,message:message,scale:scale});}},{key:"time",value:function time(logLevel,message){return this._getLogFunction(logLevel,message,console.time?console.time:console.info);}},{key:"timeEnd",value:function timeEnd(logLevel,message){return this._getLogFunction(logLevel,message,console.timeEnd?console.timeEnd:console.info);}},{key:"timeStamp",value:function timeStamp(logLevel,message){return this._getLogFunction(logLevel,message,console.timeStamp||noop);}},{key:"group",value:function group(logLevel,message){var opts=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{collapsed:false};var 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_getLogFunction(logLevel,message,method,args,opts){if(this._shouldLog(logLevel)){var _method2;opts=normalizeArguments({logLevel:logLevel,message:message,args:args,opts:opts});method=method||opts.method;assert$2(method);opts.total=this.getTotal();opts.delta=this.getDelta();this._deltaTs=getHiResTimestamp();var tag=opts.tag||opts.message;if(opts.once){if(!cache[tag]){cache[tag]=getHiResTimestamp();}else{return noop;}}message=decorateMessage(this.id,opts.message,opts);return(_method2=method).bind.apply(_method2,[console,message].concat(_toConsumableArray(opts.args)));}return noop;}}]);return Log;}();_defineProperty(Log,"VERSION",VERSION$6);function normalizeLogLevel(logLevel){if(!logLevel){return 0;}var resolvedLevel;switch(_typeof(logLevel)){case'number':resolvedLevel=logLevel;break;case'object':resolvedLevel=logLevel.logLevel||logLevel.priority||0;break;default:return 0;}assert$2(Number.isFinite(resolvedLevel)&&resolvedLevel>=0);return resolvedLevel;}function normalizeArguments(opts){var logLevel=opts.logLevel,message=opts.message;opts.logLevel=normalizeLogLevel(logLevel);var args=opts.args?Array.from(opts.args):[];while(args.length&&args.shift()!==message){}switch(_typeof(logLevel)){case'string':case'function':if(message!==undefined){args.unshift(message);}opts.message=logLevel;break;case'object':Object.assign(opts,logLevel);break;}if(typeof opts.message==='function'){opts.message=opts.message();}var messageType=_typeof(opts.message);assert$2(messageType==='string'||messageType==='object');return Object.assign(opts,{args:args},opts.opts);}function decorateMessage(id,message,opts){if(typeof message==='string'){var _time2=opts.time?leftPad(formatTime(opts.total)):'';message=opts.time?"".concat(id,": ").concat(_time2,"  ").concat(message):"".concat(id,": ").concat(message);message=addColor(message,opts.color,opts.background);}return message;}function logImageInNode(_ref2){var image=_ref2.image,_ref2$message=_ref2.message,message=_ref2$message===void 0?'':_ref2$message,_ref2$scale=_ref2.scale,scale=_ref2$scale===void 0?1:_ref2$scale;var asciify=null;try{asciify=module.require('asciify-image');}catch(error){}if(asciify){return function(){return asciify(image,{fit:'box',width:"".concat(Math.round(80*scale),"%")}).then(function(data){return console.log(data);});};}return noop;}function logImageInBrowser(_ref3){var image=_ref3.image,_ref3$message=_ref3.message,message=_ref3$message===void 0?'':_ref3$message,_ref3$scale=_ref3.scale,scale=_ref3$scale===void 0?1:_ref3$scale;if(typeof image==='string'){var img=new Image();img.onload=function(){var _console4;var args=formatImage(img,message,scale);(_console4=console).log.apply(_console4,_toConsumableArray(args));};img.src=image;return noop;}var element=image.nodeName||'';if(element.toLowerCase()==='img'){var _console5;(_console5=console).log.apply(_console5,_toConsumableArray(formatImage(image,message,scale)));return noop;}if(element.toLowerCase()==='canvas'){var _img2=new Image();_img2.onload=function(){var _console6;return(_console6=console).log.apply(_console6,_toConsumableArray(formatImage(_img2,message,scale)));};_img2.src=image.toDataURL();return noop;}return noop;}function getTableHeader(table){for(var key in table){for(var title in table[key]){return title||'untitled';}}return'empty';}var log=new Log({id:'loaders.gl'});var EXT_PATTERN=/\.([^.]+)$/;function selectLoader(_x27){return _selectLoader.apply(this,arguments);}function _selectLoader(){_selectLoader=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee18(data){var loaders,options,context,loader,_args16=arguments;return _regeneratorRuntime().wrap(function _callee18$(_context22){while(1){switch(_context22.prev=_context22.next){case 0:loaders=_args16.length>1&&_args16[1]!==undefined?_args16[1]:[];options=_args16.length>2?_args16[2]:undefined;context=_args16.length>3?_args16[3]:undefined;if(validHTTPResponse(data)){_context22.next=5;break;}return _context22.abrupt("return",null);case 5:loader=selectLoaderSync(data,loaders,_objectSpread(_objectSpread({},options),{},{nothrow:true}),context);if(!loader){_context22.next=8;break;}return _context22.abrupt("return",loader);case 8:if(!isBlob(data)){_context22.next=13;break;}_context22.next=11;return data.slice(0,10).arrayBuffer();case 11:data=_context22.sent;loader=selectLoaderSync(data,loaders,options,context);case 13:if(!(!loader&&!(options!==null&&options!==void 0&&options.nothrow))){_context22.next=15;break;}throw new Error(getNoValidLoaderMessage(data));case 15:return _context22.abrupt("return",loader);case 16:case"end":return _context22.stop();}}},_callee18);}));return _selectLoader.apply(this,arguments);}function selectLoaderSync(data){var loaders=arguments.length>1&&arguments[1]!==undefined?arguments[1]:[];var options=arguments.length>2?arguments[2]:undefined;var context=arguments.length>3?arguments[3]:undefined;if(!validHTTPResponse(data)){return null;}if(loaders&&!Array.isArray(loaders)){return normalizeLoader(loaders);}var candidateLoaders=[];if(loaders){candidateLoaders=candidateLoaders.concat(loaders);}if(!(options!==null&&options!==void 0&&options.ignoreRegisteredLoaders)){var _candidateLoaders;(_candidateLoaders=candidateLoaders).push.apply(_candidateLoaders,_toConsumableArray(getRegisteredLoaders()));}normalizeLoaders(candidateLoaders);var loader=selectLoaderInternal(data,candidateLoaders,options,context);if(!loader&&!(options!==null&&options!==void 0&&options.nothrow)){throw new Error(getNoValidLoaderMessage(data));}return loader;}function selectLoaderInternal(data,loaders,options,context){var _getResourceUrlAndTyp=getResourceUrlAndType(data),url=_getResourceUrlAndTyp.url,type=_getResourceUrlAndTyp.type;var 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BASIS_ENCODER,wasmBinary,_yield$Promise$all3,_yield$Promise$all4;return _regeneratorRuntime().wrap(function _callee25$(_context29){while(1){switch(_context29.prev=_context29.next){case 0:BASIS_ENCODER=null;wasmBinary=null;_context29.t0=Promise;_context29.next=5;return loadLibrary(BASIS_CDN_ENCODER_JS,'textures',options);case 5:_context29.t1=_context29.sent;_context29.next=8;return loadLibrary(BASIS_CDN_ENCODER_WASM,'textures',options);case 8:_context29.t2=_context29.sent;_context29.t3=[_context29.t1,_context29.t2];_context29.next=12;return _context29.t0.all.call(_context29.t0,_context29.t3);case 12:_yield$Promise$all3=_context29.sent;_yield$Promise$all4=_slicedToArray(_yield$Promise$all3,2);BASIS_ENCODER=_yield$Promise$all4[0];wasmBinary=_yield$Promise$all4[1];BASIS_ENCODER=BASIS_ENCODER||globalThis.BASIS;_context29.next=19;return initializeBasisEncoderModule(BASIS_ENCODER,wasmBinary);case 19:return _context29.abrupt("return",_context29.sent);case 20:case"end":return _context29.stop();}}},_callee25);}));return _loadBasisEncoder.apply(this,arguments);}function initializeBasisEncoderModule(BasisEncoderModule,wasmBinary){var options={};if(wasmBinary){options.wasmBinary=wasmBinary;}return new Promise(function(resolve){BasisEncoderModule(options).then(function(module){var BasisFile=module.BasisFile,KTX2File=module.KTX2File,initializeBasis=module.initializeBasis,BasisEncoder=module.BasisEncoder;initializeBasis();resolve({BasisFile:BasisFile,KTX2File:KTX2File,BasisEncoder:BasisEncoder});});});}var GL_EXTENSIONS_CONSTANTS={COMPRESSED_RGB_S3TC_DXT1_EXT:0x83f0,COMPRESSED_RGBA_S3TC_DXT1_EXT:0x83f1,COMPRESSED_RGBA_S3TC_DXT3_EXT:0x83f2,COMPRESSED_RGBA_S3TC_DXT5_EXT:0x83f3,COMPRESSED_R11_EAC:0x9270,COMPRESSED_SIGNED_R11_EAC:0x9271,COMPRESSED_RG11_EAC:0x9272,COMPRESSED_SIGNED_RG11_EAC:0x9273,COMPRESSED_RGB8_ETC2:0x9274,COMPRESSED_RGBA8_ETC2_EAC:0x9275,COMPRESSED_SRGB8_ETC2:0x9276,COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:0x9277,COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:0x9278,COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:0x9279,COMPRESSED_RGB_PVRTC_4BPPV1_IMG:0x8c00,COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:0x8c02,COMPRESSED_RGB_PVRTC_2BPPV1_IMG:0x8c01,COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:0x8c03,COMPRESSED_RGB_ETC1_WEBGL:0x8d64,COMPRESSED_RGB_ATC_WEBGL:0x8c92,COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL:0x8c93,COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL:0x87ee,COMPRESSED_RGBA_ASTC_4X4_KHR:0x93b0,COMPRESSED_RGBA_ASTC_5X4_KHR:0x93b1,COMPRESSED_RGBA_ASTC_5X5_KHR:0x93b2,COMPRESSED_RGBA_ASTC_6X5_KHR:0x93b3,COMPRESSED_RGBA_ASTC_6X6_KHR:0x93b4,COMPRESSED_RGBA_ASTC_8X5_KHR:0x93b5,COMPRESSED_RGBA_ASTC_8X6_KHR:0x93b6,COMPRESSED_RGBA_ASTC_8X8_KHR:0x93b7,COMPRESSED_RGBA_ASTC_10X5_KHR:0x93b8,COMPRESSED_RGBA_ASTC_10X6_KHR:0x93b9,COMPRESSED_RGBA_ASTC_10X8_KHR:0x93ba,COMPRESSED_RGBA_ASTC_10X10_KHR:0x93bb,COMPRESSED_RGBA_ASTC_12X10_KHR:0x93bc,COMPRESSED_RGBA_ASTC_12X12_KHR:0x93bd,COMPRESSED_SRGB8_ALPHA8_ASTC_4X4_KHR:0x93d0,COMPRESSED_SRGB8_ALPHA8_ASTC_5X4_KHR:0x93d1,COMPRESSED_SRGB8_ALPHA8_ASTC_5X5_KHR:0x93d2,COMPRESSED_SRGB8_ALPHA8_ASTC_6X5_KHR:0x93d3,COMPRESSED_SRGB8_ALPHA8_ASTC_6X6_KHR:0x93d4,COMPRESSED_SRGB8_ALPHA8_ASTC_8X5_KHR:0x93d5,COMPRESSED_SRGB8_ALPHA8_ASTC_8X6_KHR:0x93d6,COMPRESSED_SRGB8_ALPHA8_ASTC_8X8_KHR:0x93d7,COMPRESSED_SRGB8_ALPHA8_ASTC_10X5_KHR:0x93d8,COMPRESSED_SRGB8_ALPHA8_ASTC_10X6_KHR:0x93d9,COMPRESSED_SRGB8_ALPHA8_ASTC_10X8_KHR:0x93da,COMPRESSED_SRGB8_ALPHA8_ASTC_10X10_KHR:0x93db,COMPRESSED_SRGB8_ALPHA8_ASTC_12X10_KHR:0x93dc,COMPRESSED_SRGB8_ALPHA8_ASTC_12X12_KHR:0x93dd,COMPRESSED_RED_RGTC1_EXT:0x8dbb,COMPRESSED_SIGNED_RED_RGTC1_EXT:0x8dbc,COMPRESSED_RED_GREEN_RGTC2_EXT:0x8dbd,COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:0x8dbe,COMPRESSED_SRGB_S3TC_DXT1_EXT:0x8c4c,COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:0x8c4d,COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:0x8c4e,COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:0x8c4f};var BROWSER_PREFIXES=['','WEBKIT_','MOZ_'];var WEBGL_EXTENSIONS={WEBGL_compressed_texture_s3tc:'dxt',WEBGL_compressed_texture_s3tc_srgb:'dxt-srgb',WEBGL_compressed_texture_etc1:'etc1',WEBGL_compressed_texture_etc:'etc2',WEBGL_compressed_texture_pvrtc:'pvrtc',WEBGL_compressed_texture_atc:'atc',WEBGL_compressed_texture_astc:'astc',EXT_texture_compression_rgtc:'rgtc'};var formats=null;function getSupportedGPUTextureFormats(gl){if(!formats){gl=gl||getWebGLContext()||undefined;formats=new Set();var _iterator17=_createForOfIteratorHelper(BROWSER_PREFIXES),_step17;try{for(_iterator17.s();!(_step17=_iterator17.n()).done;){var prefix=_step17.value;for(var extension in WEBGL_EXTENSIONS){if(gl&&gl.getExtension("".concat(prefix).concat(extension))){var gpuTextureFormat=WEBGL_EXTENSIONS[extension];formats.add(gpuTextureFormat);}}}}catch(err){_iterator17.e(err);}finally{_iterator17.f();}}return formats;}function getWebGLContext(){try{var _canvas6=document.createElement('canvas');return _canvas6.getContext('webgl');}catch(error){return null;}}var n,i,s,a,r,o,l,f;!function(t){t[t.NONE=0]="NONE",t[t.BASISLZ=1]="BASISLZ",t[t.ZSTD=2]="ZSTD",t[t.ZLIB=3]="ZLIB";}(n||(n={})),function(t){t[t.BASICFORMAT=0]="BASICFORMAT";}(i||(i={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.ETC1S=163]="ETC1S",t[t.UASTC=166]="UASTC";}(s||(s={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.SRGB=1]="SRGB";}(a||(a={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.LINEAR=1]="LINEAR",t[t.SRGB=2]="SRGB",t[t.ITU=3]="ITU",t[t.NTSC=4]="NTSC",t[t.SLOG=5]="SLOG",t[t.SLOG2=6]="SLOG2";}(r||(r={})),function(t){t[t.ALPHA_STRAIGHT=0]="ALPHA_STRAIGHT",t[t.ALPHA_PREMULTIPLIED=1]="ALPHA_PREMULTIPLIED";}(o||(o={})),function(t){t[t.RGB=0]="RGB",t[t.RRR=3]="RRR",t[t.GGG=4]="GGG",t[t.AAA=15]="AAA";}(l||(l={})),function(t){t[t.RGB=0]="RGB",t[t.RGBA=3]="RGBA",t[t.RRR=4]="RRR",t[t.RRRG=5]="RRRG";}(f||(f={}));var KTX2_ID=[0xab,0x4b,0x54,0x58,0x20,0x32,0x30,0xbb,0x0d,0x0a,0x1a,0x0a];function isKTX(data){var id=new Uint8Array(data);var notKTX=id.byteLength<KTX2_ID.length||id[0]!==KTX2_ID[0]||id[1]!==KTX2_ID[1]||id[2]!==KTX2_ID[2]||id[3]!==KTX2_ID[3]||id[4]!==KTX2_ID[4]||id[5]!==KTX2_ID[5]||id[6]!==KTX2_ID[6]||id[7]!==KTX2_ID[7]||id[8]!==KTX2_ID[8]||id[9]!==KTX2_ID[9]||id[10]!==KTX2_ID[10]||id[11]!==KTX2_ID[11];return!notKTX;}var OutputFormat={etc1:{basisFormat:0,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGB_ETC1_WEBGL},etc2:{basisFormat:1,compressed:true},bc1:{basisFormat:2,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGB_S3TC_DXT1_EXT},bc3:{basisFormat:3,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGBA_S3TC_DXT5_EXT},bc4:{basisFormat:4,compressed:true},bc5:{basisFormat:5,compressed:true},'bc7-m6-opaque-only':{basisFormat:6,compressed:true},'bc7-m5':{basisFormat:7,compressed:true},'pvrtc1-4-rgb':{basisFormat:8,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGB_PVRTC_4BPPV1_IMG},'pvrtc1-4-rgba':{basisFormat:9,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG},'astc-4x4':{basisFormat:10,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGBA_ASTC_4X4_KHR},'atc-rgb':{basisFormat:11,compressed:true},'atc-rgba-interpolated-alpha':{basisFormat:12,compressed:true},rgba32:{basisFormat:13,compressed:false},rgb565:{basisFormat:14,compressed:false},bgr565:{basisFormat:15,compressed:false},rgba4444:{basisFormat:16,compressed:false}};function parseBasis(_x43,_x44){return _parseBasis.apply(this,arguments);}function _parseBasis(){_parseBasis=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee26(data,options){var fileConstructors,_yield$loadBasisTrasc,BasisFile,_fileConstructors,_yield$loadBasisTrasc2,_BasisFile;return _regeneratorRuntime().wrap(function _callee26$(_context30){while(1){switch(_context30.prev=_context30.next){case 0:if(!(options.basis.containerFormat==='auto')){_context30.next=11;break;}if(!isKTX(data)){_context30.next=6;break;}_context30.next=4;return loadBasisEncoderModule(options);case 4:fileConstructors=_context30.sent;return _context30.abrupt("return",parseKTX2File(fileConstructors.KTX2File,data,options));case 6:_context30.next=8;return loadBasisTrascoderModule(options);case 8:_yield$loadBasisTrasc=_context30.sent;BasisFile=_yield$loadBasisTrasc.BasisFile;return _context30.abrupt("return",parseBasisFile(BasisFile,data,options));case 11:_context30.t0=options.basis.module;_context30.next=_context30.t0==='encoder'?14:_context30.t0==='transcoder'?22:22;break;case 14:_context30.next=16;return loadBasisEncoderModule(options);case 16:_fileConstructors=_context30.sent;_context30.t1=options.basis.containerFormat;_context30.next=_context30.t1==='ktx2'?20:_context30.t1==='basis'?21:21;break;case 20:return _context30.abrupt("return",parseKTX2File(_fileConstructors.KTX2File,data,options));case 21:return _context30.abrupt("return",parseBasisFile(_fileConstructors.BasisFile,data,options));case 22:_context30.next=24;return loadBasisTrascoderModule(options);case 24:_yield$loadBasisTrasc2=_context30.sent;_BasisFile=_yield$loadBasisTrasc2.BasisFile;return _context30.abrupt("return",parseBasisFile(_BasisFile,data,options));case 27:case"end":return _context30.stop();}}},_callee26);}));return _parseBasis.apply(this,arguments);}function parseBasisFile(BasisFile,data,options){var basisFile=new BasisFile(new Uint8Array(data));try{if(!basisFile.startTranscoding()){throw new Error('Failed to start basis transcoding');}var imageCount=basisFile.getNumImages();var images=[];for(var imageIndex=0;imageIndex<imageCount;imageIndex++){var levelsCount=basisFile.getNumLevels(imageIndex);var levels=[];for(var levelIndex=0;levelIndex<levelsCount;levelIndex++){levels.push(transcodeImage(basisFile,imageIndex,levelIndex,options));}images.push(levels);}return images;}finally{basisFile.close();basisFile["delete"]();}}function transcodeImage(basisFile,imageIndex,levelIndex,options){var width=basisFile.getImageWidth(imageIndex,levelIndex);var height=basisFile.getImageHeight(imageIndex,levelIndex);var hasAlpha=basisFile.getHasAlpha();var _getBasisOptions=getBasisOptions(options,hasAlpha),compressed=_getBasisOptions.compressed,format=_getBasisOptions.format,basisFormat=_getBasisOptions.basisFormat;var decodedSize=basisFile.getImageTranscodedSizeInBytes(imageIndex,levelIndex,basisFormat);var decodedData=new Uint8Array(decodedSize);if(!basisFile.transcodeImage(decodedData,imageIndex,levelIndex,basisFormat,0,0)){throw new Error('failed to start Basis transcoding');}return{width:width,height:height,data:decodedData,compressed:compressed,format:format,hasAlpha:hasAlpha};}function parseKTX2File(KTX2File,data,options){var ktx2File=new KTX2File(new Uint8Array(data));try{if(!ktx2File.startTranscoding()){throw new Error('failed to start KTX2 transcoding');}var levelsCount=ktx2File.getLevels();var levels=[];for(var levelIndex=0;levelIndex<levelsCount;levelIndex++){levels.push(transcodeKTX2Image(ktx2File,levelIndex,options));break;}return[levels];}finally{ktx2File.close();ktx2File["delete"]();}}function transcodeKTX2Image(ktx2File,levelIndex,options){var _ktx2File$getImageLev=ktx2File.getImageLevelInfo(levelIndex,0,0),alphaFlag=_ktx2File$getImageLev.alphaFlag,height=_ktx2File$getImageLev.height,width=_ktx2File$getImageLev.width;var _getBasisOptions2=getBasisOptions(options,alphaFlag),compressed=_getBasisOptions2.compressed,format=_getBasisOptions2.format,basisFormat=_getBasisOptions2.basisFormat;var decodedSize=ktx2File.getImageTranscodedSizeInBytes(levelIndex,0,0,basisFormat);var decodedData=new Uint8Array(decodedSize);if(!ktx2File.transcodeImage(decodedData,levelIndex,0,0,basisFormat,0,-1,-1)){throw new Error('Failed to transcode KTX2 image');}return{width:width,height:height,data:decodedData,compressed:compressed,hasAlpha:alphaFlag,format:format};}function getBasisOptions(options,hasAlpha){var format=options&&options.basis&&options.basis.format;if(format==='auto'){format=selectSupportedBasisFormat();}if(_typeof(format)==='object'){format=hasAlpha?format.alpha:format.noAlpha;}format=format.toLowerCase();return OutputFormat[format];}function selectSupportedBasisFormat(){var supportedFormats=getSupportedGPUTextureFormats();if(supportedFormats.has('astc')){return'astc-4x4';}else if(supportedFormats.has('dxt')){return{alpha:'bc3',noAlpha:'bc1'};}else if(supportedFormats.has('pvrtc')){return{alpha:'pvrtc1-4-rgba',noAlpha:'pvrtc1-4-rgb'};}else if(supportedFormats.has('etc1')){return'etc1';}else if(supportedFormats.has('etc2')){return'etc2';}return'rgb565';}var BasisWorkerLoader={name:'Basis',id:'basis',module:'textures',version:VERSION$4,worker:true,extensions:['basis','ktx2'],mimeTypes:['application/octet-stream','image/ktx2'],tests:['sB'],binary:true,options:{basis:{format:'auto',libraryPath:'libs/',containerFormat:'auto',module:'transcoder'}}};var BasisLoader=_objectSpread(_objectSpread({},BasisWorkerLoader),{},{parse:parseBasis});var VERSION$2="3.2.6";var _parseImageNode=globalThis._parseImageNode;var IMAGE_SUPPORTED=typeof Image!=='undefined';var IMAGE_BITMAP_SUPPORTED=typeof ImageBitmap!=='undefined';var NODE_IMAGE_SUPPORTED=Boolean(_parseImageNode);var DATA_SUPPORTED=isBrowser$4?true:NODE_IMAGE_SUPPORTED;function isImageTypeSupported(type){switch(type){case'auto':return IMAGE_BITMAP_SUPPORTED||IMAGE_SUPPORTED||DATA_SUPPORTED;case'imagebitmap':return IMAGE_BITMAP_SUPPORTED;case'image':return IMAGE_SUPPORTED;case'data':return DATA_SUPPORTED;default:throw new Error("@loaders.gl/images: image ".concat(type," not supported in this environment"));}}function getDefaultImageType(){if(IMAGE_BITMAP_SUPPORTED){return'imagebitmap';}if(IMAGE_SUPPORTED){return'image';}if(DATA_SUPPORTED){return'data';}throw new Error('Install \'@loaders.gl/polyfills\' to parse images under Node.js');}function getImageType(image){var format=getImageTypeOrNull(image);if(!format){throw new Error('Not an image');}return format;}function getImageData(image){switch(getImageType(image)){case'data':return image;case'image':case'imagebitmap':var _canvas7=document.createElement('canvas');var context=_canvas7.getContext('2d');if(!context){throw new Error('getImageData');}_canvas7.width=image.width;_canvas7.height=image.height;context.drawImage(image,0,0);return context.getImageData(0,0,image.width,image.height);default:throw new Error('getImageData');}}function getImageTypeOrNull(image){if(typeof ImageBitmap!=='undefined'&&image instanceof ImageBitmap){return'imagebitmap';}if(typeof Image!=='undefined'&&image instanceof Image){return'image';}if(image&&_typeof(image)==='object'&&image.data&&image.width&&image.height){return'data';}return null;}var SVG_DATA_URL_PATTERN=/^data:image\/svg\+xml/;var SVG_URL_PATTERN=/\.svg((\?|#).*)?$/;function isSVG(url){return url&&(SVG_DATA_URL_PATTERN.test(url)||SVG_URL_PATTERN.test(url));}function getBlobOrSVGDataUrl(arrayBuffer,url){if(isSVG(url)){var textDecoder=new TextDecoder();var xmlText=textDecoder.decode(arrayBuffer);try{if(typeof unescape==='function'&&typeof encodeURIComponent==='function'){xmlText=unescape(encodeURIComponent(xmlText));}}catch(error){throw new Error(error.message);}var src="data:image/svg+xml;base64,".concat(btoa(xmlText));return src;}return getBlob(arrayBuffer,url);}function getBlob(arrayBuffer,url){if(isSVG(url)){throw new Error('SVG cannot be parsed directly to imagebitmap');}return new Blob([new Uint8Array(arrayBuffer)]);}function parseToImage(_x45,_x46,_x47){return _parseToImage.apply(this,arguments);}function _parseToImage(){_parseToImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee27(arrayBuffer,options,url){var blobOrDataUrl,URL,objectUrl;return _regeneratorRuntime().wrap(function _callee27$(_context31){while(1){switch(_context31.prev=_context31.next){case 0:blobOrDataUrl=getBlobOrSVGDataUrl(arrayBuffer,url);URL=self.URL||self.webkitURL;objectUrl=typeof blobOrDataUrl!=='string'&&URL.createObjectURL(blobOrDataUrl);_context31.prev=3;_context31.next=6;return loadToImage(objectUrl||blobOrDataUrl,options);case 6:return _context31.abrupt("return",_context31.sent);case 7:_context31.prev=7;if(objectUrl){URL.revokeObjectURL(objectUrl);}return _context31.finish(7);case 10:case"end":return _context31.stop();}}},_callee27,null,[[3,,7,10]]);}));return _parseToImage.apply(this,arguments);}function loadToImage(_x48,_x49){return _loadToImage.apply(this,arguments);}function _loadToImage(){_loadToImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee28(url,options){var image;return _regeneratorRuntime().wrap(function _callee28$(_context32){while(1){switch(_context32.prev=_context32.next){case 0:image=new Image();image.src=url;if(!(options.image&&options.image.decode&&image.decode)){_context32.next=6;break;}_context32.next=5;return image.decode();case 5:return _context32.abrupt("return",image);case 6:_context32.next=8;return new Promise(function(resolve,reject){try{image.onload=function(){return resolve(image);};image.onerror=function(err){return reject(new Error("Could not load image ".concat(url,": ").concat(err)));};}catch(error){reject(error);}});case 8:return _context32.abrupt("return",_context32.sent);case 9:case"end":return _context32.stop();}}},_callee28);}));return _loadToImage.apply(this,arguments);}var EMPTY_OBJECT={};var imagebitmapOptionsSupported=true;function parseToImageBitmap(_x50,_x51,_x52){return _parseToImageBitmap.apply(this,arguments);}function _parseToImageBitmap(){_parseToImageBitmap=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee29(arrayBuffer,options,url){var blob,_image8,imagebitmapOptions;return _regeneratorRuntime().wrap(function _callee29$(_context33){while(1){switch(_context33.prev=_context33.next){case 0:if(!isSVG(url)){_context33.next=7;break;}_context33.next=3;return parseToImage(arrayBuffer,options,url);case 3:_image8=_context33.sent;blob=_image8;_context33.next=8;break;case 7:blob=getBlob(arrayBuffer,url);case 8:imagebitmapOptions=options&&options.imagebitmap;_context33.next=11;return safeCreateImageBitmap(blob,imagebitmapOptions);case 11:return _context33.abrupt("return",_context33.sent);case 12:case"end":return _context33.stop();}}},_callee29);}));return _parseToImageBitmap.apply(this,arguments);}function safeCreateImageBitmap(_x53){return _safeCreateImageBitmap.apply(this,arguments);}function _safeCreateImageBitmap(){_safeCreateImageBitmap=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee30(blob){var imagebitmapOptions,_args28=arguments;return _regeneratorRuntime().wrap(function _callee30$(_context34){while(1){switch(_context34.prev=_context34.next){case 0:imagebitmapOptions=_args28.length>1&&_args28[1]!==undefined?_args28[1]:null;if(isEmptyObject(imagebitmapOptions)||!imagebitmapOptionsSupported){imagebitmapOptions=null;}if(!imagebitmapOptions){_context34.next=13;break;}_context34.prev=3;_context34.next=6;return createImageBitmap(blob,imagebitmapOptions);case 6:return _context34.abrupt("return",_context34.sent);case 9:_context34.prev=9;_context34.t0=_context34["catch"](3);console.warn(_context34.t0);imagebitmapOptionsSupported=false;case 13:_context34.next=15;return createImageBitmap(blob);case 15:return _context34.abrupt("return",_context34.sent);case 16:case"end":return _context34.stop();}}},_callee30,null,[[3,9]]);}));return _safeCreateImageBitmap.apply(this,arguments);}function isEmptyObject(object){for(var key in object||EMPTY_OBJECT){return false;}return true;}var BIG_ENDIAN=false;var LITTLE_ENDIAN=true;function getBinaryImageMetadata(binaryData){var dataView=toDataView(binaryData);return getPngMetadata(dataView)||getJpegMetadata(dataView)||getGifMetadata(dataView)||getBmpMetadata(dataView);}function getPngMetadata(binaryData){var dataView=toDataView(binaryData);var isPng=dataView.byteLength>=24&&dataView.getUint32(0,BIG_ENDIAN)===0x89504e47;if(!isPng){return null;}return{mimeType:'image/png',width:dataView.getUint32(16,BIG_ENDIAN),height:dataView.getUint32(20,BIG_ENDIAN)};}function getGifMetadata(binaryData){var dataView=toDataView(binaryData);var isGif=dataView.byteLength>=10&&dataView.getUint32(0,BIG_ENDIAN)===0x47494638;if(!isGif){return null;}return{mimeType:'image/gif',width:dataView.getUint16(6,LITTLE_ENDIAN),height:dataView.getUint16(8,LITTLE_ENDIAN)};}function getBmpMetadata(binaryData){var dataView=toDataView(binaryData);var isBmp=dataView.byteLength>=14&&dataView.getUint16(0,BIG_ENDIAN)===0x424d&&dataView.getUint32(2,LITTLE_ENDIAN)===dataView.byteLength;if(!isBmp){return null;}return{mimeType:'image/bmp',width:dataView.getUint32(18,LITTLE_ENDIAN),height:dataView.getUint32(22,LITTLE_ENDIAN)};}function getJpegMetadata(binaryData){var dataView=toDataView(binaryData);var isJpeg=dataView.byteLength>=3&&dataView.getUint16(0,BIG_ENDIAN)===0xffd8&&dataView.getUint8(2)===0xff;if(!isJpeg){return null;}var _getJpegMarkers=getJpegMarkers(),tableMarkers=_getJpegMarkers.tableMarkers,sofMarkers=_getJpegMarkers.sofMarkers;var i=2;while(i+9<dataView.byteLength){var marker=dataView.getUint16(i,BIG_ENDIAN);if(sofMarkers.has(marker)){return{mimeType:'image/jpeg',height:dataView.getUint16(i+5,BIG_ENDIAN),width:dataView.getUint16(i+7,BIG_ENDIAN)};}if(!tableMarkers.has(marker)){return null;}i+=2;i+=dataView.getUint16(i,BIG_ENDIAN);}return null;}function getJpegMarkers(){var tableMarkers=new Set([0xffdb,0xffc4,0xffcc,0xffdd,0xfffe]);for(var _i514=0xffe0;_i514<0xfff0;++_i514){tableMarkers.add(_i514);}var sofMarkers=new Set([0xffc0,0xffc1,0xffc2,0xffc3,0xffc5,0xffc6,0xffc7,0xffc9,0xffca,0xffcb,0xffcd,0xffce,0xffcf,0xffde]);return{tableMarkers:tableMarkers,sofMarkers:sofMarkers};}function toDataView(data){if(data instanceof DataView){return data;}if(ArrayBuffer.isView(data)){return new DataView(data.buffer);}if(data instanceof ArrayBuffer){return new DataView(data);}throw new Error('toDataView');}function parseToNodeImage(_x54,_x55){return _parseToNodeImage.apply(this,arguments);}function _parseToNodeImage(){_parseToNodeImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee31(arrayBuffer,options){var _ref27,mimeType,_parseImageNode;return _regeneratorRuntime().wrap(function _callee31$(_context35){while(1){switch(_context35.prev=_context35.next){case 0:_ref27=getBinaryImageMetadata(arrayBuffer)||{},mimeType=_ref27.mimeType;_parseImageNode=globalThis._parseImageNode;assert$5(_parseImageNode);_context35.next=5;return _parseImageNode(arrayBuffer,mimeType);case 5:return _context35.abrupt("return",_context35.sent);case 6:case"end":return _context35.stop();}}},_callee31);}));return _parseToNodeImage.apply(this,arguments);}function parseImage(_x56,_x57,_x58){return _parseImage.apply(this,arguments);}function _parseImage(){_parseImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee32(arrayBuffer,options,context){var imageOptions,imageType,_ref28,url,loadType,image;return _regeneratorRuntime().wrap(function _callee32$(_context36){while(1){switch(_context36.prev=_context36.next){case 0:options=options||{};imageOptions=options.image||{};imageType=imageOptions.type||'auto';_ref28=context||{},url=_ref28.url;loadType=getLoadableImageType(imageType);_context36.t0=loadType;_context36.next=_context36.t0==='imagebitmap'?8:_context36.t0==='image'?12:_context36.t0==='data'?16:20;break;case 8:_context36.next=10;return parseToImageBitmap(arrayBuffer,options,url);case 10:image=_context36.sent;return _context36.abrupt("break",21);case 12:_context36.next=14;return parseToImage(arrayBuffer,options,url);case 14:image=_context36.sent;return _context36.abrupt("break",21);case 16:_context36.next=18;return parseToNodeImage(arrayBuffer);case 18:image=_context36.sent;return _context36.abrupt("break",21);case 20:assert$5(false);case 21:if(imageType==='data'){image=getImageData(image);}return _context36.abrupt("return",image);case 23:case"end":return _context36.stop();}}},_callee32);}));return _parseImage.apply(this,arguments);}function getLoadableImageType(type){switch(type){case'auto':case'data':return getDefaultImageType();default:isImageTypeSupported(type);return type;}}var EXTENSIONS$1=['png','jpg','jpeg','gif','webp','bmp','ico','svg'];var MIME_TYPES=['image/png','image/jpeg','image/gif','image/webp','image/bmp','image/vnd.microsoft.icon','image/svg+xml'];var DEFAULT_IMAGE_LOADER_OPTIONS={image:{type:'auto',decode:true}};var ImageLoader={id:'image',module:'images',name:'Images',version:VERSION$2,mimeTypes:MIME_TYPES,extensions:EXTENSIONS$1,parse:parseImage,tests:[function(arrayBuffer){return Boolean(getBinaryImageMetadata(new DataView(arrayBuffer)));}],options:DEFAULT_IMAGE_LOADER_OPTIONS};var NODE_FORMAT_SUPPORT=['image/png','image/jpeg','image/gif'];var mimeTypeSupported={};function _isImageFormatSupported(mimeType){if(mimeTypeSupported[mimeType]===undefined){mimeTypeSupported[mimeType]=checkFormatSupport(mimeType);}return mimeTypeSupported[mimeType];}function checkFormatSupport(mimeType){switch(mimeType){case'image/webp':return checkWebPSupport();case'image/svg':return isBrowser$4;default:if(!isBrowser$4){var _parseImageNode2=globalThis._parseImageNode;return Boolean(_parseImageNode2)&&NODE_FORMAT_SUPPORT.includes(mimeType);}return true;}}function checkWebPSupport(){if(!isBrowser$4){return false;}try{var element=document.createElement('canvas');return element.toDataURL('image/webp').indexOf('data:image/webp')===0;}catch(_unused){return false;}}function assert$1(condition,message){if(!condition){throw new Error(message||'assert failed: gltf');}}function resolveUrl(url,options){var absolute=url.startsWith('data:')||url.startsWith('http:')||url.startsWith('https:');if(absolute){return url;}var baseUrl=options.baseUri||options.uri;if(!baseUrl){throw new Error("'baseUri' must be provided to resolve relative url ".concat(url));}return baseUrl.substr(0,baseUrl.lastIndexOf('/')+1)+url;}function getTypedArrayForBufferView(json,buffers,bufferViewIndex){var bufferView=json.bufferViews[bufferViewIndex];assert$1(bufferView);var bufferIndex=bufferView.buffer;var binChunk=buffers[bufferIndex];assert$1(binChunk);var byteOffset=(bufferView.byteOffset||0)+binChunk.byteOffset;return new Uint8Array(binChunk.arrayBuffer,byteOffset,bufferView.byteLength);}var TYPES=['SCALAR','VEC2','VEC3','VEC4'];var ARRAY_CONSTRUCTOR_TO_WEBGL_CONSTANT=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]];var ARRAY_TO_COMPONENT_TYPE=new Map(ARRAY_CONSTRUCTOR_TO_WEBGL_CONSTANT);var ATTRIBUTE_TYPE_TO_COMPONENTS={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16};var ATTRIBUTE_COMPONENT_TYPE_TO_BYTE_SIZE={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4};var ATTRIBUTE_COMPONENT_TYPE_TO_ARRAY={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function getAccessorTypeFromSize(size){var type=TYPES[size-1];return type||TYPES[0];}function getComponentTypeFromArray(typedArray){var componentType=ARRAY_TO_COMPONENT_TYPE.get(typedArray.constructor);if(!componentType){throw new Error('Illegal typed array');}return componentType;}function getAccessorArrayTypeAndLength(accessor,bufferView){var ArrayType=ATTRIBUTE_COMPONENT_TYPE_TO_ARRAY[accessor.componentType];var components=ATTRIBUTE_TYPE_TO_COMPONENTS[accessor.type];var bytesPerComponent=ATTRIBUTE_COMPONENT_TYPE_TO_BYTE_SIZE[accessor.componentType];var length=accessor.count*components;var byteLength=accessor.count*components*bytesPerComponent;assert$1(byteLength>=0&&byteLength<=bufferView.byteLength);return{ArrayType:ArrayType,length:length,byteLength:byteLength};}var DEFAULT_GLTF_JSON={asset:{version:'2.0',generator:'loaders.gl'},buffers:[]};var GLTFScenegraph=/*#__PURE__*/function(){function GLTFScenegraph(gltf){_classCallCheck(this,GLTFScenegraph);_defineProperty(this,"gltf",void 0);_defineProperty(this,"sourceBuffers",void 0);_defineProperty(this,"byteLength",void 0);this.gltf=gltf||{json:_objectSpread({},DEFAULT_GLTF_JSON),buffers:[]};this.sourceBuffers=[];this.byteLength=0;if(this.gltf.buffers&&this.gltf.buffers[0]){this.byteLength=this.gltf.buffers[0].byteLength;this.sourceBuffers=[this.gltf.buffers[0]];}}_createClass(GLTFScenegraph,[{key:"json",get:function get(){return this.gltf.json;}},{key:"getApplicationData",value:function getApplicationData(key){var data=this.json[key];return data;}},{key:"getExtraData",value:function getExtraData(key){var extras=this.json.extras||{};return extras[key];}},{key:"getExtension",value:function getExtension(extensionName){var isExtension=this.getUsedExtensions().find(function(name){return name===extensionName;});var extensions=this.json.extensions||{};return isExtension?extensions[extensionName]||true:null;}},{key:"getRequiredExtension",value:function getRequiredExtension(extensionName){var isRequired=this.getRequiredExtensions().find(function(name){return name===extensionName;});return isRequired?this.getExtension(extensionName):null;}},{key:"getRequiredExtensions",value:function getRequiredExtensions(){return this.json.extensionsRequired||[];}},{key:"getUsedExtensions",value:function getUsedExtensions(){return this.json.extensionsUsed||[];}},{key:"getObjectExtension",value:function getObjectExtension(object,extensionName){var extensions=object.extensions||{};return extensions[extensionName];}},{key:"getScene",value:function getScene(index){return this.getObject('scenes',index);}},{key:"getNode",value:function getNode(index){return this.getObject('nodes',index);}},{key:"getSkin",value:function getSkin(index){return this.getObject('skins',index);}},{key:"getMesh",value:function getMesh(index){return this.getObject('meshes',index);}},{key:"getMaterial",value:function getMaterial(index){return this.getObject('materials',index);}},{key:"getAccessor",value:function getAccessor(index){return this.getObject('accessors',index);}},{key:"getTexture",value:function getTexture(index){return this.getObject('textures',index);}},{key:"getSampler",value:function getSampler(index){return this.getObject('samplers',index);}},{key:"getImage",value:function getImage(index){return this.getObject('images',index);}},{key:"getBufferView",value:function getBufferView(index){return this.getObject('bufferViews',index);}},{key:"getBuffer",value:function getBuffer(index){return this.getObject('buffers',index);}},{key:"getObject",value:function getObject(array,index){if(_typeof(index)==='object'){return index;}var object=this.json[array]&&this.json[array][index];if(!object){throw new Error("glTF file error: Could not find ".concat(array,"[").concat(index,"]"));}return object;}},{key:"getTypedArrayForBufferView",value:function getTypedArrayForBufferView(bufferView){bufferView=this.getBufferView(bufferView);var bufferIndex=bufferView.buffer;var binChunk=this.gltf.buffers[bufferIndex];assert$1(binChunk);var byteOffset=(bufferView.byteOffset||0)+binChunk.byteOffset;return new Uint8Array(binChunk.arrayBuffer,byteOffset,bufferView.byteLength);}},{key:"getTypedArrayForAccessor",value:function getTypedArrayForAccessor(accessor){accessor=this.getAccessor(accessor);var bufferView=this.getBufferView(accessor.bufferView);var buffer=this.getBuffer(bufferView.buffer);var arrayBuffer=buffer.data;var _getAccessorArrayType=getAccessorArrayTypeAndLength(accessor,bufferView),ArrayType=_getAccessorArrayType.ArrayType,length=_getAccessorArrayType.length;var byteOffset=bufferView.byteOffset+accessor.byteOffset;return new ArrayType(arrayBuffer,byteOffset,length);}},{key:"getTypedArrayForImageData",value:function getTypedArrayForImageData(image){image=this.getAccessor(image);var bufferView=this.getBufferView(image.bufferView);var buffer=this.getBuffer(bufferView.buffer);var arrayBuffer=buffer.data;var byteOffset=bufferView.byteOffset||0;return new Uint8Array(arrayBuffer,byteOffset,bufferView.byteLength);}},{key:"addApplicationData",value:function addApplicationData(key,data){this.json[key]=data;return this;}},{key:"addExtraData",value:function addExtraData(key,data){this.json.extras=this.json.extras||{};this.json.extras[key]=data;return this;}},{key:"addObjectExtension",value:function addObjectExtension(object,extensionName,data){object.extensions=object.extensions||{};object.extensions[extensionName]=data;this.registerUsedExtension(extensionName);return this;}},{key:"setObjectExtension",value:function setObjectExtension(object,extensionName,data){var extensions=object.extensions||{};extensions[extensionName]=data;}},{key:"removeObjectExtension",value:function removeObjectExtension(object,extensionName){var extensions=object.extensions||{};var extension=extensions[extensionName];delete extensions[extensionName];return extension;}},{key:"addExtension",value:function addExtension(extensionName){var extensionData=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};assert$1(extensionData);this.json.extensions=this.json.extensions||{};this.json.extensions[extensionName]=extensionData;this.registerUsedExtension(extensionName);return extensionData;}},{key:"addRequiredExtension",value:function addRequiredExtension(extensionName){var extensionData=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};assert$1(extensionData);this.addExtension(extensionName,extensionData);this.registerRequiredExtension(extensionName);return extensionData;}},{key:"registerUsedExtension",value:function registerUsedExtension(extensionName){this.json.extensionsUsed=this.json.extensionsUsed||[];if(!this.json.extensionsUsed.find(function(ext){return ext===extensionName;})){this.json.extensionsUsed.push(extensionName);}}},{key:"registerRequiredExtension",value:function registerRequiredExtension(extensionName){this.registerUsedExtension(extensionName);this.json.extensionsRequired=this.json.extensionsRequired||[];if(!this.json.extensionsRequired.find(function(ext){return ext===extensionName;})){this.json.extensionsRequired.push(extensionName);}}},{key:"removeExtension",value:function removeExtension(extensionName){if(this.json.extensionsRequired){this._removeStringFromArray(this.json.extensionsRequired,extensionName);}if(this.json.extensionsUsed){this._removeStringFromArray(this.json.extensionsUsed,extensionName);}if(this.json.extensions){delete this.json.extensions[extensionName];}}},{key:"setDefaultScene",value:function setDefaultScene(sceneIndex){this.json.scene=sceneIndex;}},{key:"addScene",value:function addScene(scene){var nodeIndices=scene.nodeIndices;this.json.scenes=this.json.scenes||[];this.json.scenes.push({nodes:nodeIndices});return this.json.scenes.length-1;}},{key:"addNode",value:function addNode(node){var meshIndex=node.meshIndex,matrix=node.matrix;this.json.nodes=this.json.nodes||[];var nodeData={mesh:meshIndex};if(matrix){nodeData.matrix=matrix;}this.json.nodes.push(nodeData);return this.json.nodes.length-1;}},{key:"addMesh",value:function addMesh(mesh){var attributes=mesh.attributes,indices=mesh.indices,material=mesh.material,_mesh$mode=mesh.mode,mode=_mesh$mode===void 0?4:_mesh$mode;var accessors=this._addAttributes(attributes);var glTFMesh={primitives:[{attributes:accessors,mode:mode}]};if(indices){var indicesAccessor=this._addIndices(indices);glTFMesh.primitives[0].indices=indicesAccessor;}if(Number.isFinite(material)){glTFMesh.primitives[0].material=material;}this.json.meshes=this.json.meshes||[];this.json.meshes.push(glTFMesh);return this.json.meshes.length-1;}},{key:"addPointCloud",value:function addPointCloud(attributes){var accessorIndices=this._addAttributes(attributes);var glTFMesh={primitives:[{attributes:accessorIndices,mode:0}]};this.json.meshes=this.json.meshes||[];this.json.meshes.push(glTFMesh);return this.json.meshes.length-1;}},{key:"addImage",value:function addImage(imageData,mimeTypeOpt){var metadata=getBinaryImageMetadata(imageData);var mimeType=mimeTypeOpt||(metadata===null||metadata===void 0?void 0:metadata.mimeType);var bufferViewIndex=this.addBufferView(imageData);var glTFImage={bufferView:bufferViewIndex,mimeType:mimeType};this.json.images=this.json.images||[];this.json.images.push(glTFImage);return this.json.images.length-1;}},{key:"addBufferView",value:function addBufferView(buffer){var byteLength=buffer.byteLength;assert$1(Number.isFinite(byteLength));this.sourceBuffers=this.sourceBuffers||[];this.sourceBuffers.push(buffer);var glTFBufferView={buffer:0,byteOffset:this.byteLength,byteLength:byteLength};this.byteLength+=padToNBytes(byteLength,4);this.json.bufferViews=this.json.bufferViews||[];this.json.bufferViews.push(glTFBufferView);return this.json.bufferViews.length-1;}},{key:"addAccessor",value:function addAccessor(bufferViewIndex,accessor){var glTFAccessor={bufferView:bufferViewIndex,type:getAccessorTypeFromSize(accessor.size),componentType:accessor.componentType,count:accessor.count,max:accessor.max,min:accessor.min};this.json.accessors=this.json.accessors||[];this.json.accessors.push(glTFAccessor);return this.json.accessors.length-1;}},{key:"addBinaryBuffer",value:function addBinaryBuffer(sourceBuffer){var accessor=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{size:3};var bufferViewIndex=this.addBufferView(sourceBuffer);var minMax={min:accessor.min,max:accessor.max};if(!minMax.min||!minMax.max){minMax=this._getAccessorMinMax(sourceBuffer,accessor.size);}var accessorDefaults={size:accessor.size,componentType:getComponentTypeFromArray(sourceBuffer),count:Math.round(sourceBuffer.length/accessor.size),min:minMax.min,max:minMax.max};return this.addAccessor(bufferViewIndex,Object.assign(accessorDefaults,accessor));}},{key:"addTexture",value:function addTexture(texture){var imageIndex=texture.imageIndex;var glTFTexture={source:imageIndex};this.json.textures=this.json.textures||[];this.json.textures.push(glTFTexture);return this.json.textures.length-1;}},{key:"addMaterial",value:function addMaterial(pbrMaterialInfo){this.json.materials=this.json.materials||[];this.json.materials.push(pbrMaterialInfo);return this.json.materials.length-1;}},{key:"createBinaryChunk",value:function createBinaryChunk(){var _this$json,_this$json$buffers;this.gltf.buffers=[];var totalByteLength=this.byteLength;var arrayBuffer=new ArrayBuffer(totalByteLength);var targetArray=new Uint8Array(arrayBuffer);var dstByteOffset=0;var _iterator18=_createForOfIteratorHelper(this.sourceBuffers||[]),_step18;try{for(_iterator18.s();!(_step18=_iterator18.n()).done;){var sourceBuffer=_step18.value;dstByteOffset=copyToArray(sourceBuffer,targetArray,dstByteOffset);}}catch(err){_iterator18.e(err);}finally{_iterator18.f();}if((_this$json=this.json)!==null&&_this$json!==void 0&&(_this$json$buffers=_this$json.buffers)!==null&&_this$json$buffers!==void 0&&_this$json$buffers[0]){this.json.buffers[0].byteLength=totalByteLength;}else{this.json.buffers=[{byteLength:totalByteLength}];}this.gltf.binary=arrayBuffer;this.sourceBuffers=[arrayBuffer];}},{key:"_removeStringFromArray",value:function _removeStringFromArray(array,string){var found=true;while(found){var index=array.indexOf(string);if(index>-1){array.splice(index,1);}else{found=false;}}}},{key:"_addAttributes",value:function _addAttributes(){var attributes=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};var result={};for(var attributeKey in attributes){var attributeData=attributes[attributeKey];var attrName=this._getGltfAttributeName(attributeKey);var accessor=this.addBinaryBuffer(attributeData.value,attributeData);result[attrName]=accessor;}return result;}},{key:"_addIndices",value:function _addIndices(indices){return this.addBinaryBuffer(indices,{size:1});}},{key:"_getGltfAttributeName",value:function _getGltfAttributeName(attributeName){switch(attributeName.toLowerCase()){case'position':case'positions':case'vertices':return'POSITION';case'normal':case'normals':return'NORMAL';case'color':case'colors':return'COLOR_0';case'texcoord':case'texcoords':return'TEXCOORD_0';default:return attributeName;}}},{key:"_getAccessorMinMax",value:function _getAccessorMinMax(buffer,size){var result={min:null,max:null};if(buffer.length<size){return result;}result.min=[];result.max=[];var initValues=buffer.subarray(0,size);var _iterator19=_createForOfIteratorHelper(initValues),_step19;try{for(_iterator19.s();!(_step19=_iterator19.n()).done;){var value=_step19.value;result.min.push(value);result.max.push(value);}}catch(err){_iterator19.e(err);}finally{_iterator19.f();}for(var index=size;index<buffer.length;index+=size){for(var componentIndex=0;componentIndex<size;componentIndex++){result.min[0+componentIndex]=Math.min(result.min[0+componentIndex],buffer[index+componentIndex]);result.max[0+componentIndex]=Math.max(result.max[0+componentIndex],buffer[index+componentIndex]);}}return result;}}]);return GLTFScenegraph;}();var 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';var 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';var detector=new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]);var wasmpack=new Uint8Array([32,0,65,253,3,1,2,34,4,106,6,5,11,8,7,20,13,33,12,16,128,9,116,64,19,113,127,15,10,21,22,14,255,66,24,54,136,107,18,23,192,26,114,118,132,17,77,101,130,144,27,87,131,44,45,74,156,154,70,167]);var FILTERS={0:'',1:'meshopt_decodeFilterOct',2:'meshopt_decodeFilterQuat',3:'meshopt_decodeFilterExp',NONE:'',OCTAHEDRAL:'meshopt_decodeFilterOct',QUATERNION:'meshopt_decodeFilterQuat',EXPONENTIAL:'meshopt_decodeFilterExp'};var DECODERS={0:'meshopt_decodeVertexBuffer',1:'meshopt_decodeIndexBuffer',2:'meshopt_decodeIndexSequence',ATTRIBUTES:'meshopt_decodeVertexBuffer',TRIANGLES:'meshopt_decodeIndexBuffer',INDICES:'meshopt_decodeIndexSequence'};function meshoptDecodeGltfBuffer(_x59,_x60,_x61,_x62,_x63){return _meshoptDecodeGltfBuffer.apply(this,arguments);}function _meshoptDecodeGltfBuffer(){_meshoptDecodeGltfBuffer=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee33(target,count,size,source,mode){var filter,instance,_args31=arguments;return _regeneratorRuntime().wrap(function _callee33$(_context37){while(1){switch(_context37.prev=_context37.next){case 0:filter=_args31.length>5&&_args31[5]!==undefined?_args31[5]:'NONE';_context37.next=3;return loadWasmInstance();case 3:instance=_context37.sent;decode$5(instance,instance.exports[DECODERS[mode]],target,count,size,source,instance.exports[FILTERS[filter||'NONE']]);case 5:case"end":return _context37.stop();}}},_callee33);}));return _meshoptDecodeGltfBuffer.apply(this,arguments);}var wasmPromise;function loadWasmInstance(){return _loadWasmInstance.apply(this,arguments);}function _loadWasmInstance(){_loadWasmInstance=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee34(){return _regeneratorRuntime().wrap(function 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EXT_MESHOPT_COMPRESSION='EXT_meshopt_compression';var name$6=EXT_MESHOPT_COMPRESSION;function decode$4(_x64,_x65){return _decode$.apply(this,arguments);}function _decode$(){_decode$=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee36(gltfData,options){var _options$gltf,scenegraph,promises,_iterator49,_step49,bufferViewIndex;return _regeneratorRuntime().wrap(function _callee36$(_context40){while(1){switch(_context40.prev=_context40.next){case 0:scenegraph=new GLTFScenegraph(gltfData);if(options!==null&&options!==void 0&&(_options$gltf=options.gltf)!==null&&_options$gltf!==void 0&&_options$gltf.decompressMeshes){_context40.next=3;break;}return _context40.abrupt("return");case 3:promises=[];_iterator49=_createForOfIteratorHelper(gltfData.json.bufferViews||[]);try{for(_iterator49.s();!(_step49=_iterator49.n()).done;){bufferViewIndex=_step49.value;promises.push(decodeMeshoptBufferView(scenegraph,bufferViewIndex));}}catch(err){_iterator49.e(err);}finally{_iterator49.f();}_context40.next=8;return Promise.all(promises);case 8:scenegraph.removeExtension(EXT_MESHOPT_COMPRESSION);case 9:case"end":return _context40.stop();}}},_callee36);}));return _decode$.apply(this,arguments);}function decodeMeshoptBufferView(_x66,_x67){return _decodeMeshoptBufferView.apply(this,arguments);}function _decodeMeshoptBufferView(){_decodeMeshoptBufferView=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee37(scenegraph,bufferView){var meshoptExtension,_meshoptExtension$byt,byteOffset,_meshoptExtension$byt2,byteLength,byteStride,count,mode,_meshoptExtension$fil,filter,bufferIndex,buffer,source,result;return _regeneratorRuntime().wrap(function _callee37$(_context41){while(1){switch(_context41.prev=_context41.next){case 0:meshoptExtension=scenegraph.getObjectExtension(bufferView,EXT_MESHOPT_COMPRESSION);if(!meshoptExtension){_context41.next=9;break;}_meshoptExtension$byt=meshoptExtension.byteOffset,byteOffset=_meshoptExtension$byt===void 0?0:_meshoptExtension$byt,_meshoptExtension$byt2=meshoptExtension.byteLength,byteLength=_meshoptExtension$byt2===void 0?0:_meshoptExtension$byt2,byteStride=meshoptExtension.byteStride,count=meshoptExtension.count,mode=meshoptExtension.mode,_meshoptExtension$fil=meshoptExtension.filter,filter=_meshoptExtension$fil===void 0?'NONE':_meshoptExtension$fil,bufferIndex=meshoptExtension.buffer;buffer=scenegraph.gltf.buffers[bufferIndex];source=new Uint8Array(buffer.arrayBuffer,buffer.byteOffset+byteOffset,byteLength);result=new Uint8Array(scenegraph.gltf.buffers[bufferView.buffer].arrayBuffer,bufferView.byteOffset,bufferView.byteLength);_context41.next=8;return meshoptDecodeGltfBuffer(result,count,byteStride,source,mode,filter);case 8:return _context41.abrupt("return",result);case 9:return _context41.abrupt("return",null);case 10:case"end":return _context41.stop();}}},_callee37);}));return _decodeMeshoptBufferView.apply(this,arguments);}var EXT_meshopt_compression=/*#__PURE__*/Object.freeze({__proto__:null,name:name$6,decode:decode$4});var EXT_TEXTURE_WEBP='EXT_texture_webp';var name$5=EXT_TEXTURE_WEBP;function preprocess$3(gltfData,options){var scenegraph=new GLTFScenegraph(gltfData);if(!_isImageFormatSupported('image/webp')){if(scenegraph.getRequiredExtensions().includes(EXT_TEXTURE_WEBP)){throw new Error("gltf: Required extension ".concat(EXT_TEXTURE_WEBP," not supported by browser"));}return;}var json=scenegraph.json;var _iterator20=_createForOfIteratorHelper(json.textures||[]),_step20;try{for(_iterator20.s();!(_step20=_iterator20.n()).done;){var texture=_step20.value;var extension=scenegraph.getObjectExtension(texture,EXT_TEXTURE_WEBP);if(extension){texture.source=extension.source;}scenegraph.removeObjectExtension(texture,EXT_TEXTURE_WEBP);}}catch(err){_iterator20.e(err);}finally{_iterator20.f();}scenegraph.removeExtension(EXT_TEXTURE_WEBP);}var EXT_texture_webp=/*#__PURE__*/Object.freeze({__proto__:null,name:name$5,preprocess:preprocess$3});var KHR_TEXTURE_BASISU='KHR_texture_basisu';var name$4=KHR_TEXTURE_BASISU;function preprocess$2(gltfData,options){var scene=new GLTFScenegraph(gltfData);var json=scene.json;var _iterator21=_createForOfIteratorHelper(json.textures||[]),_step21;try{for(_iterator21.s();!(_step21=_iterator21.n()).done;){var texture=_step21.value;var extension=scene.getObjectExtension(texture,KHR_TEXTURE_BASISU);if(extension){texture.source=extension.source;}scene.removeObjectExtension(texture,KHR_TEXTURE_BASISU);}}catch(err){_iterator21.e(err);}finally{_iterator21.f();}scene.removeExtension(KHR_TEXTURE_BASISU);}var KHR_texture_basisu=/*#__PURE__*/Object.freeze({__proto__:null,name:name$4,preprocess:preprocess$2});var VERSION$1="3.2.6";var DEFAULT_DRACO_OPTIONS={draco:{decoderType:(typeof WebAssembly==="undefined"?"undefined":_typeof(WebAssembly))==='object'?'wasm':'js',libraryPath:'libs/',extraAttributes:{},attributeNameEntry:undefined}};var DracoLoader$1={name:'Draco',id:'draco',module:'draco',shapes:['mesh'],version:VERSION$1,worker:true,extensions:['drc'],mimeTypes:['application/octet-stream'],binary:true,tests:['DRACO'],options:DEFAULT_DRACO_OPTIONS};function getMeshBoundingBox(attributes){var minX=Infinity;var minY=Infinity;var minZ=Infinity;var maxX=-Infinity;var maxY=-Infinity;var maxZ=-Infinity;var positions=attributes.POSITION?attributes.POSITION.value:[];var len=positions&&positions.length;for(var _i517=0;_i517<len;_i517+=3){var x=positions[_i517];var y=positions[_i517+1];var _z4=positions[_i517+2];minX=x<minX?x:minX;minY=y<minY?y:minY;minZ=_z4<minZ?_z4:minZ;maxX=x>maxX?x:maxX;maxY=y>maxY?y:maxY;maxZ=_z4>maxZ?_z4:maxZ;}return[[minX,minY,minZ],[maxX,maxY,maxZ]];}function assert(condition,message){if(!condition){throw new Error(message||'loader assertion failed.');}}var Schema=/*#__PURE__*/function(){function Schema(fields,metadata){_classCallCheck(this,Schema);_defineProperty(this,"fields",void 0);_defineProperty(this,"metadata",void 0);assert(Array.isArray(fields));checkNames(fields);this.fields=fields;this.metadata=metadata||new Map();}_createClass(Schema,[{key:"compareTo",value:function compareTo(other){if(this.metadata!==other.metadata){return false;}if(this.fields.length!==other.fields.length){return false;}for(var _i518=0;_i518<this.fields.length;++_i518){if(!this.fields[_i518].compareTo(other.fields[_i518])){return false;}}return true;}},{key:"select",value:function select(){var nameMap=Object.create(null);for(var _len106=arguments.length,columnNames=new Array(_len106),_key11=0;_key11<_len106;_key11++){columnNames[_key11]=arguments[_key11];}for(var _i519=0,_columnNames=columnNames;_i519<_columnNames.length;_i519++){var _name6=_columnNames[_i519];nameMap[_name6]=true;}var selectedFields=this.fields.filter(function(field){return nameMap[field.name];});return new Schema(selectedFields,this.metadata);}},{key:"selectAt",value:function selectAt(){var _this124=this;for(var _len107=arguments.length,columnIndices=new Array(_len107),_key12=0;_key12<_len107;_key12++){columnIndices[_key12]=arguments[_key12];}var selectedFields=columnIndices.map(function(index){return _this124.fields[index];}).filter(Boolean);return new Schema(selectedFields,this.metadata);}},{key:"assign",value:function assign(schemaOrFields){var fields;var metadata=this.metadata;if(schemaOrFields instanceof Schema){var otherSchema=schemaOrFields;fields=otherSchema.fields;metadata=mergeMaps(mergeMaps(new Map(),this.metadata),otherSchema.metadata);}else{fields=schemaOrFields;}var fieldMap=Object.create(null);var _iterator22=_createForOfIteratorHelper(this.fields),_step22;try{for(_iterator22.s();!(_step22=_iterator22.n()).done;){var field=_step22.value;fieldMap[field.name]=field;}}catch(err){_iterator22.e(err);}finally{_iterator22.f();}var _iterator23=_createForOfIteratorHelper(fields),_step23;try{for(_iterator23.s();!(_step23=_iterator23.n()).done;){var _field=_step23.value;fieldMap[_field.name]=_field;}}catch(err){_iterator23.e(err);}finally{_iterator23.f();}var mergedFields=Object.values(fieldMap);return new Schema(mergedFields,metadata);}}]);return Schema;}();function checkNames(fields){var usedNames={};var _iterator24=_createForOfIteratorHelper(fields),_step24;try{for(_iterator24.s();!(_step24=_iterator24.n()).done;){var field=_step24.value;if(usedNames[field.name]){console.warn('Schema: duplicated field name',field.name,field);}usedNames[field.name]=true;}}catch(err){_iterator24.e(err);}finally{_iterator24.f();}}function mergeMaps(m1,m2){return new Map([].concat(_toConsumableArray(m1||new Map()),_toConsumableArray(m2||new Map())));}var Field=/*#__PURE__*/function(){function Field(name,type){var nullable=arguments.length>2&&arguments[2]!==undefined?arguments[2]:false;var metadata=arguments.length>3&&arguments[3]!==undefined?arguments[3]:new Map();_classCallCheck(this,Field);_defineProperty(this,"name",void 0);_defineProperty(this,"type",void 0);_defineProperty(this,"nullable",void 0);_defineProperty(this,"metadata",void 0);this.name=name;this.type=type;this.nullable=nullable;this.metadata=metadata;}_createClass(Field,[{key:"typeId",get:function get(){return this.type&&this.type.typeId;}},{key:"clone",value:function clone(){return new Field(this.name,this.type,this.nullable,this.metadata);}},{key:"compareTo",value:function compareTo(other){return this.name===other.name&&this.type===other.type&&this.nullable===other.nullable&&this.metadata===other.metadata;}},{key:"toString",value:function toString(){return"".concat(this.type).concat(this.nullable?', nullable':'').concat(this.metadata?", metadata: ".concat(this.metadata):'');}}]);return Field;}();var Type;(function(Type){Type[Type["NONE"]=0]="NONE";Type[Type["Null"]=1]="Null";Type[Type["Int"]=2]="Int";Type[Type["Float"]=3]="Float";Type[Type["Binary"]=4]="Binary";Type[Type["Utf8"]=5]="Utf8";Type[Type["Bool"]=6]="Bool";Type[Type["Decimal"]=7]="Decimal";Type[Type["Date"]=8]="Date";Type[Type["Time"]=9]="Time";Type[Type["Timestamp"]=10]="Timestamp";Type[Type["Interval"]=11]="Interval";Type[Type["List"]=12]="List";Type[Type["Struct"]=13]="Struct";Type[Type["Union"]=14]="Union";Type[Type["FixedSizeBinary"]=15]="FixedSizeBinary";Type[Type["FixedSizeList"]=16]="FixedSizeList";Type[Type["Map"]=17]="Map";Type[Type["Dictionary"]=-1]="Dictionary";Type[Type["Int8"]=-2]="Int8";Type[Type["Int16"]=-3]="Int16";Type[Type["Int32"]=-4]="Int32";Type[Type["Int64"]=-5]="Int64";Type[Type["Uint8"]=-6]="Uint8";Type[Type["Uint16"]=-7]="Uint16";Type[Type["Uint32"]=-8]="Uint32";Type[Type["Uint64"]=-9]="Uint64";Type[Type["Float16"]=-10]="Float16";Type[Type["Float32"]=-11]="Float32";Type[Type["Float64"]=-12]="Float64";Type[Type["DateDay"]=-13]="DateDay";Type[Type["DateMillisecond"]=-14]="DateMillisecond";Type[Type["TimestampSecond"]=-15]="TimestampSecond";Type[Type["TimestampMillisecond"]=-16]="TimestampMillisecond";Type[Type["TimestampMicrosecond"]=-17]="TimestampMicrosecond";Type[Type["TimestampNanosecond"]=-18]="TimestampNanosecond";Type[Type["TimeSecond"]=-19]="TimeSecond";Type[Type["TimeMillisecond"]=-20]="TimeMillisecond";Type[Type["TimeMicrosecond"]=-21]="TimeMicrosecond";Type[Type["TimeNanosecond"]=-22]="TimeNanosecond";Type[Type["DenseUnion"]=-23]="DenseUnion";Type[Type["SparseUnion"]=-24]="SparseUnion";Type[Type["IntervalDayTime"]=-25]="IntervalDayTime";Type[Type["IntervalYearMonth"]=-26]="IntervalYearMonth";})(Type||(Type={}));var 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x&&x.typeId===Type.Time;}},{key:"isTimestamp",value:function isTimestamp(x){return x&&x.typeId===Type.Timestamp;}},{key:"isInterval",value:function isInterval(x){return x&&x.typeId===Type.Interval;}},{key:"isList",value:function isList(x){return x&&x.typeId===Type.List;}},{key:"isStruct",value:function isStruct(x){return x&&x.typeId===Type.Struct;}},{key:"isUnion",value:function isUnion(x){return x&&x.typeId===Type.Union;}},{key:"isFixedSizeBinary",value:function isFixedSizeBinary(x){return x&&x.typeId===Type.FixedSizeBinary;}},{key:"isFixedSizeList",value:function isFixedSizeList(x){return x&&x.typeId===Type.FixedSizeList;}},{key:"isMap",value:function isMap(x){return x&&x.typeId===Type.Map;}},{key:"isDictionary",value:function isDictionary(x){return x&&x.typeId===Type.Dictionary;}}]);return DataType;}();_Symbol$toStringTag=Symbol.toStringTag;var Int=/*#__PURE__*/function(_DataType,_Symbol$toStringTag3){_inherits(Int,_DataType);var _super147=_createSuper(Int);function 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Float=/*#__PURE__*/function(_DataType2,_Symbol$toStringTag4){_inherits(Float,_DataType2);var _super154=_createSuper(Float);function Float(precision){var _this126;_classCallCheck(this,Float);_this126=_super154.call(this);_defineProperty(_assertThisInitialized(_this126),"precision",void 0);_this126.precision=precision;return _this126;}_createClass(Float,[{key:"typeId",get:function get(){return Type.Float;}},{key:_Symbol$toStringTag4,get:function get(){return'Float';}},{key:"toString",value:function toString(){return"Float".concat(this.precision);}}]);return Float;}(DataType,_Symbol$toStringTag2);var Float32=/*#__PURE__*/function(_Float){_inherits(Float32,_Float);var _super155=_createSuper(Float32);function Float32(){_classCallCheck(this,Float32);return _super155.call(this,Precision.SINGLE);}return _createClass(Float32);}(Float);var Float64=/*#__PURE__*/function(_Float2){_inherits(Float64,_Float2);var _super156=_createSuper(Float64);function Float64(){_classCallCheck(this,Float64);return _super156.call(this,Precision.DOUBLE);}return _createClass(Float64);}(Float);_Symbol$toStringTag7=Symbol.toStringTag;var FixedSizeList=/*#__PURE__*/function(_DataType3,_Symbol$toStringTag5){_inherits(FixedSizeList,_DataType3);var _super157=_createSuper(FixedSizeList);function FixedSizeList(listSize,child){var _this127;_classCallCheck(this,FixedSizeList);_this127=_super157.call(this);_defineProperty(_assertThisInitialized(_this127),"listSize",void 0);_defineProperty(_assertThisInitialized(_this127),"children",void 0);_this127.listSize=listSize;_this127.children=[child];return _this127;}_createClass(FixedSizeList,[{key:"typeId",get:function get(){return Type.FixedSizeList;}},{key:"valueType",get:function get(){return this.children[0].type;}},{key:"valueField",get:function get(){return this.children[0];}},{key:_Symbol$toStringTag5,get:function get(){return'FixedSizeList';}},{key:"toString",value:function toString(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">");}}]);return FixedSizeList;}(DataType,_Symbol$toStringTag7);function getArrowTypeFromTypedArray(array){switch(array.constructor){case Int8Array:return new Int8();case Uint8Array:return new Uint8();case Int16Array:return new Int16();case Uint16Array:return new Uint16();case Int32Array:return new Int32();case Uint32Array:return new Uint32();case Float32Array:return new Float32();case Float64Array:return new Float64();default:throw new Error('array type not supported');}}function deduceMeshField(attributeName,attribute,optionalMetadata){var type=getArrowTypeFromTypedArray(attribute.value);var metadata=optionalMetadata?optionalMetadata:makeMeshAttributeMetadata(attribute);var field=new Field(attributeName,new FixedSizeList(attribute.size,new Field('value',type)),false,metadata);return field;}function makeMeshAttributeMetadata(attribute){var result=new Map();if('byteOffset'in attribute){result.set('byteOffset',attribute.byteOffset.toString(10));}if('byteStride'in attribute){result.set('byteStride',attribute.byteStride.toString(10));}if('normalized'in attribute){result.set('normalized',attribute.normalized.toString());}return result;}function getDracoSchema(attributes,loaderData,indices){var metadataMap=makeMetadata(loaderData.metadata);var fields=[];var namedLoaderDataAttributes=transformAttributesLoaderData(loaderData.attributes);for(var attributeName in attributes){var attribute=attributes[attributeName];var field=getArrowFieldFromAttribute(attributeName,attribute,namedLoaderDataAttributes[attributeName]);fields.push(field);}if(indices){var indicesField=getArrowFieldFromAttribute('indices',indices);fields.push(indicesField);}return new Schema(fields,metadataMap);}function transformAttributesLoaderData(loaderData){var result={};for(var key in loaderData){var dracoAttribute=loaderData[key];result[dracoAttribute.name||'undefined']=dracoAttribute;}return result;}function getArrowFieldFromAttribute(attributeName,attribute,loaderData){var metadataMap=loaderData?makeMetadata(loaderData.metadata):undefined;var field=deduceMeshField(attributeName,attribute,metadataMap);return field;}function makeMetadata(metadata){var metadataMap=new Map();for(var key in metadata){metadataMap.set("".concat(key,".string"),JSON.stringify(metadata[key]));}return metadataMap;}var DRACO_TO_GLTF_ATTRIBUTE_NAME_MAP={POSITION:'POSITION',NORMAL:'NORMAL',COLOR:'COLOR_0',TEX_COORD:'TEXCOORD_0'};var DRACO_DATA_TYPE_TO_TYPED_ARRAY_MAP={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};var INDEX_ITEM_SIZE=4;var DracoParser=/*#__PURE__*/function(){function DracoParser(draco){_classCallCheck(this,DracoParser);_defineProperty(this,"draco",void 0);_defineProperty(this,"decoder",void 0);_defineProperty(this,"metadataQuerier",void 0);this.draco=draco;this.decoder=new this.draco.Decoder();this.metadataQuerier=new this.draco.MetadataQuerier();}_createClass(DracoParser,[{key:"destroy",value:function destroy(){this.draco.destroy(this.decoder);this.draco.destroy(this.metadataQuerier);}},{key:"parseSync",value:function parseSync(arrayBuffer){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var buffer=new this.draco.DecoderBuffer();buffer.Init(new Int8Array(arrayBuffer),arrayBuffer.byteLength);this._disableAttributeTransforms(options);var geometry_type=this.decoder.GetEncodedGeometryType(buffer);var dracoGeometry=geometry_type===this.draco.TRIANGULAR_MESH?new this.draco.Mesh():new this.draco.PointCloud();try{var dracoStatus;switch(geometry_type){case this.draco.TRIANGULAR_MESH:dracoStatus=this.decoder.DecodeBufferToMesh(buffer,dracoGeometry);break;case this.draco.POINT_CLOUD:dracoStatus=this.decoder.DecodeBufferToPointCloud(buffer,dracoGeometry);break;default:throw new Error('DRACO: Unknown geometry type.');}if(!dracoStatus.ok()||!dracoGeometry.ptr){var message="DRACO decompression failed: ".concat(dracoStatus.error_msg());throw new Error(message);}var loaderData=this._getDracoLoaderData(dracoGeometry,geometry_type,options);var geometry=this._getMeshData(dracoGeometry,loaderData,options);var boundingBox=getMeshBoundingBox(geometry.attributes);var schema=getDracoSchema(geometry.attributes,loaderData,geometry.indices);var data=_objectSpread(_objectSpread({loader:'draco',loaderData:loaderData,header:{vertexCount:dracoGeometry.num_points(),boundingBox:boundingBox}},geometry),{},{schema:schema});return data;}finally{this.draco.destroy(buffer);if(dracoGeometry){this.draco.destroy(dracoGeometry);}}}},{key:"_getDracoLoaderData",value:function _getDracoLoaderData(dracoGeometry,geometry_type,options){var metadata=this._getTopLevelMetadata(dracoGeometry);var attributes=this._getDracoAttributes(dracoGeometry,options);return{geometry_type:geometry_type,num_attributes:dracoGeometry.num_attributes(),num_points:dracoGeometry.num_points(),num_faces:dracoGeometry instanceof this.draco.Mesh?dracoGeometry.num_faces():0,metadata:metadata,attributes:attributes};}},{key:"_getDracoAttributes",value:function _getDracoAttributes(dracoGeometry,options){var dracoAttributes={};for(var attributeId=0;attributeId<dracoGeometry.num_attributes();attributeId++){var dracoAttribute=this.decoder.GetAttribute(dracoGeometry,attributeId);var metadata=this._getAttributeMetadata(dracoGeometry,attributeId);dracoAttributes[dracoAttribute.unique_id()]={unique_id:dracoAttribute.unique_id(),attribute_type:dracoAttribute.attribute_type(),data_type:dracoAttribute.data_type(),num_components:dracoAttribute.num_components(),byte_offset:dracoAttribute.byte_offset(),byte_stride:dracoAttribute.byte_stride(),normalized:dracoAttribute.normalized(),attribute_index:attributeId,metadata:metadata};var quantization=this._getQuantizationTransform(dracoAttribute,options);if(quantization){dracoAttributes[dracoAttribute.unique_id()].quantization_transform=quantization;}var octahedron=this._getOctahedronTransform(dracoAttribute,options);if(octahedron){dracoAttributes[dracoAttribute.unique_id()].octahedron_transform=octahedron;}}return dracoAttributes;}},{key:"_getMeshData",value:function _getMeshData(dracoGeometry,loaderData,options){var attributes=this._getMeshAttributes(loaderData,dracoGeometry,options);var positionAttribute=attributes.POSITION;if(!positionAttribute){throw new Error('DRACO: No position attribute found.');}if(dracoGeometry instanceof this.draco.Mesh){switch(options.topology){case'triangle-strip':return{topology:'triangle-strip',mode:4,attributes:attributes,indices:{value:this._getTriangleStripIndices(dracoGeometry),size:1}};case'triangle-list':default:return{topology:'triangle-list',mode:5,attributes:attributes,indices:{value:this._getTriangleListIndices(dracoGeometry),size:1}};}}return{topology:'point-list',mode:0,attributes:attributes};}},{key:"_getMeshAttributes",value:function _getMeshAttributes(loaderData,dracoGeometry,options){var attributes={};for(var _i520=0,_Object$values=Object.values(loaderData.attributes);_i520<_Object$values.length;_i520++){var loaderAttribute=_Object$values[_i520];var attributeName=this._deduceAttributeName(loaderAttribute,options);loaderAttribute.name=attributeName;var _this$_getAttributeVa=this._getAttributeValues(dracoGeometry,loaderAttribute),value=_this$_getAttributeVa.value,size=_this$_getAttributeVa.size;attributes[attributeName]={value:value,size:size,byteOffset:loaderAttribute.byte_offset,byteStride:loaderAttribute.byte_stride,normalized:loaderAttribute.normalized};}return attributes;}},{key:"_getTriangleListIndices",value:function _getTriangleListIndices(dracoGeometry){var numFaces=dracoGeometry.num_faces();var numIndices=numFaces*3;var byteLength=numIndices*INDEX_ITEM_SIZE;var ptr=this.draco._malloc(byteLength);try{this.decoder.GetTrianglesUInt32Array(dracoGeometry,byteLength,ptr);return new Uint32Array(this.draco.HEAPF32.buffer,ptr,numIndices).slice();}finally{this.draco._free(ptr);}}},{key:"_getTriangleStripIndices",value:function _getTriangleStripIndices(dracoGeometry){var dracoArray=new this.draco.DracoInt32Array();try{this.decoder.GetTriangleStripsFromMesh(dracoGeometry,dracoArray);return getUint32Array(dracoArray);}finally{this.draco.destroy(dracoArray);}}},{key:"_getAttributeValues",value:function _getAttributeValues(dracoGeometry,attribute){var TypedArrayCtor=DRACO_DATA_TYPE_TO_TYPED_ARRAY_MAP[attribute.data_type];var numComponents=attribute.num_components;var numPoints=dracoGeometry.num_points();var numValues=numPoints*numComponents;var byteLength=numValues*TypedArrayCtor.BYTES_PER_ELEMENT;var dataType=getDracoDataType(this.draco,TypedArrayCtor);var value;var ptr=this.draco._malloc(byteLength);try{var dracoAttribute=this.decoder.GetAttribute(dracoGeometry,attribute.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(dracoGeometry,dracoAttribute,dataType,byteLength,ptr);value=new TypedArrayCtor(this.draco.HEAPF32.buffer,ptr,numValues).slice();}finally{this.draco._free(ptr);}return{value:value,size:numComponents};}},{key:"_deduceAttributeName",value:function _deduceAttributeName(attribute,options){var uniqueId=attribute.unique_id;for(var _i521=0,_Object$entries4=Object.entries(options.extraAttributes||{});_i521<_Object$entries4.length;_i521++){var _Object$entries4$_i=_slicedToArray(_Object$entries4[_i521],2),attributeName=_Object$entries4$_i[0],attributeUniqueId=_Object$entries4$_i[1];if(attributeUniqueId===uniqueId){return attributeName;}}var thisAttributeType=attribute.attribute_type;for(var dracoAttributeConstant in DRACO_TO_GLTF_ATTRIBUTE_NAME_MAP){var attributeType=this.draco[dracoAttributeConstant];if(attributeType===thisAttributeType){return DRACO_TO_GLTF_ATTRIBUTE_NAME_MAP[dracoAttributeConstant];}}var entryName=options.attributeNameEntry||'name';if(attribute.metadata[entryName]){return attribute.metadata[entryName].string;}return"CUSTOM_ATTRIBUTE_".concat(uniqueId);}},{key:"_getTopLevelMetadata",value:function _getTopLevelMetadata(dracoGeometry){var dracoMetadata=this.decoder.GetMetadata(dracoGeometry);return this._getDracoMetadata(dracoMetadata);}},{key:"_getAttributeMetadata",value:function _getAttributeMetadata(dracoGeometry,attributeId){var dracoMetadata=this.decoder.GetAttributeMetadata(dracoGeometry,attributeId);return this._getDracoMetadata(dracoMetadata);}},{key:"_getDracoMetadata",value:function _getDracoMetadata(dracoMetadata){if(!dracoMetadata||!dracoMetadata.ptr){return{};}var result={};var numEntries=this.metadataQuerier.NumEntries(dracoMetadata);for(var entryIndex=0;entryIndex<numEntries;entryIndex++){var entryName=this.metadataQuerier.GetEntryName(dracoMetadata,entryIndex);result[entryName]=this._getDracoMetadataField(dracoMetadata,entryName);}return result;}},{key:"_getDracoMetadataField",value:function _getDracoMetadataField(dracoMetadata,entryName){var dracoArray=new this.draco.DracoInt32Array();try{this.metadataQuerier.GetIntEntryArray(dracoMetadata,entryName,dracoArray);var intArray=getInt32Array(dracoArray);return{"int":this.metadataQuerier.GetIntEntry(dracoMetadata,entryName),string:this.metadataQuerier.GetStringEntry(dracoMetadata,entryName),"double":this.metadataQuerier.GetDoubleEntry(dracoMetadata,entryName),intArray:intArray};}finally{this.draco.destroy(dracoArray);}}},{key:"_disableAttributeTransforms",value:function _disableAttributeTransforms(options){var _options$quantizedAtt=options.quantizedAttributes,quantizedAttributes=_options$quantizedAtt===void 0?[]:_options$quantizedAtt,_options$octahedronAt=options.octahedronAttributes,octahedronAttributes=_options$octahedronAt===void 0?[]:_options$octahedronAt;var skipAttributes=[].concat(_toConsumableArray(quantizedAttributes),_toConsumableArray(octahedronAttributes));var _iterator25=_createForOfIteratorHelper(skipAttributes),_step25;try{for(_iterator25.s();!(_step25=_iterator25.n()).done;){var dracoAttributeName=_step25.value;this.decoder.SkipAttributeTransform(this.draco[dracoAttributeName]);}}catch(err){_iterator25.e(err);}finally{_iterator25.f();}}},{key:"_getQuantizationTransform",value:function _getQuantizationTransform(dracoAttribute,options){var _this128=this;var _options$quantizedAtt2=options.quantizedAttributes,quantizedAttributes=_options$quantizedAtt2===void 0?[]:_options$quantizedAtt2;var attribute_type=dracoAttribute.attribute_type();var skip=quantizedAttributes.map(function(type){return _this128.decoder[type];}).includes(attribute_type);if(skip){var _transform2=new this.draco.AttributeQuantizationTransform();try{if(_transform2.InitFromAttribute(dracoAttribute)){return{quantization_bits:_transform2.quantization_bits(),range:_transform2.range(),min_values:new Float32Array([1,2,3]).map(function(i){return _transform2.min_value(i);})};}}finally{this.draco.destroy(_transform2);}}return null;}},{key:"_getOctahedronTransform",value:function _getOctahedronTransform(dracoAttribute,options){var _this129=this;var _options$octahedronAt2=options.octahedronAttributes,octahedronAttributes=_options$octahedronAt2===void 0?[]:_options$octahedronAt2;var attribute_type=dracoAttribute.attribute_type();var octahedron=octahedronAttributes.map(function(type){return _this129.decoder[type];}).includes(attribute_type);if(octahedron){var _transform3=new this.draco.AttributeQuantizationTransform();try{if(_transform3.InitFromAttribute(dracoAttribute)){return{quantization_bits:_transform3.quantization_bits()};}}finally{this.draco.destroy(_transform3);}}return null;}}]);return DracoParser;}();function getDracoDataType(draco,attributeType){switch(attributeType){case Float32Array:return draco.DT_FLOAT32;case Int8Array:return draco.DT_INT8;case Int16Array:return draco.DT_INT16;case Int32Array:return draco.DT_INT32;case Uint8Array:return draco.DT_UINT8;case Uint16Array:return draco.DT_UINT16;case Uint32Array:return draco.DT_UINT32;default:return draco.DT_INVALID;}}function getInt32Array(dracoArray){var numValues=dracoArray.size();var intArray=new Int32Array(numValues);for(var _i522=0;_i522<numValues;_i522++){intArray[_i522]=dracoArray.GetValue(_i522);}return intArray;}function getUint32Array(dracoArray){var numValues=dracoArray.size();var intArray=new Int32Array(numValues);for(var _i523=0;_i523<numValues;_i523++){intArray[_i523]=dracoArray.GetValue(_i523);}return intArray;}var DRACO_VERSION='1.4.1';var DRACO_JS_DECODER_URL="https://www.gstatic.com/draco/versioned/decoders/".concat(DRACO_VERSION,"/draco_decoder.js");var DRACO_WASM_WRAPPER_URL="https://www.gstatic.com/draco/versioned/decoders/".concat(DRACO_VERSION,"/draco_wasm_wrapper.js");var DRACO_WASM_DECODER_URL="https://www.gstatic.com/draco/versioned/decoders/".concat(DRACO_VERSION,"/draco_decoder.wasm");var loadDecoderPromise;function loadDracoDecoderModule(_x68){return _loadDracoDecoderModule.apply(this,arguments);}function _loadDracoDecoderModule(){_loadDracoDecoderModule=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee38(options){var modules;return _regeneratorRuntime().wrap(function _callee38$(_context42){while(1){switch(_context42.prev=_context42.next){case 0:modules=options.modules||{};if(modules.draco3d){loadDecoderPromise=loadDecoderPromise||modules.draco3d.createDecoderModule({}).then(function(draco){return{draco:draco};});}else{loadDecoderPromise=loadDecoderPromise||loadDracoDecoder(options);}_context42.next=4;return loadDecoderPromise;case 4:return _context42.abrupt("return",_context42.sent);case 5:case"end":return _context42.stop();}}},_callee38);}));return _loadDracoDecoderModule.apply(this,arguments);}function loadDracoDecoder(_x69){return _loadDracoDecoder.apply(this,arguments);}function _loadDracoDecoder(){_loadDracoDecoder=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee39(options){var DracoDecoderModule,wasmBinary,_yield$Promise$all5,_yield$Promise$all6;return _regeneratorRuntime().wrap(function _callee39$(_context43){while(1){switch(_context43.prev=_context43.next){case 0:_context43.t0=options.draco&&options.draco.decoderType;_context43.next=_context43.t0==='js'?3:_context43.t0==='wasm'?7:7;break;case 3:_context43.next=5;return loadLibrary(DRACO_JS_DECODER_URL,'draco',options);case 5:DracoDecoderModule=_context43.sent;return _context43.abrupt("break",21);case 7:_context43.t1=Promise;_context43.next=10;return loadLibrary(DRACO_WASM_WRAPPER_URL,'draco',options);case 10:_context43.t2=_context43.sent;_context43.next=13;return loadLibrary(DRACO_WASM_DECODER_URL,'draco',options);case 13:_context43.t3=_context43.sent;_context43.t4=[_context43.t2,_context43.t3];_context43.next=17;return _context43.t1.all.call(_context43.t1,_context43.t4);case 17:_yield$Promise$all5=_context43.sent;_yield$Promise$all6=_slicedToArray(_yield$Promise$all5,2);DracoDecoderModule=_yield$Promise$all6[0];wasmBinary=_yield$Promise$all6[1];case 21:DracoDecoderModule=DracoDecoderModule||globalThis.DracoDecoderModule;_context43.next=24;return initializeDracoDecoder(DracoDecoderModule,wasmBinary);case 24:return _context43.abrupt("return",_context43.sent);case 25:case"end":return _context43.stop();}}},_callee39);}));return _loadDracoDecoder.apply(this,arguments);}function initializeDracoDecoder(DracoDecoderModule,wasmBinary){var options={};if(wasmBinary){options.wasmBinary=wasmBinary;}return new Promise(function(resolve){DracoDecoderModule(_objectSpread(_objectSpread({},options),{},{onModuleLoaded:function onModuleLoaded(draco){return resolve({draco:draco});}}));});}({id:isBrowser$3?'draco-writer':'draco-writer-nodejs',name:'Draco compressed geometry writer',module:'draco',version:VERSION$1,worker:true,options:{draco:{},source:null}});var DracoLoader=_objectSpread(_objectSpread({},DracoLoader$1),{},{parse:parse$2});function parse$2(_x70,_x71){return _parse$2.apply(this,arguments);}function _parse$2(){_parse$2=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee40(arrayBuffer,options){var _yield$loadDracoDecod,draco,dracoParser;return _regeneratorRuntime().wrap(function _callee40$(_context44){while(1){switch(_context44.prev=_context44.next){case 0:_context44.next=2;return loadDracoDecoderModule(options);case 2:_yield$loadDracoDecod=_context44.sent;draco=_yield$loadDracoDecod.draco;dracoParser=new DracoParser(draco);_context44.prev=5;return _context44.abrupt("return",dracoParser.parseSync(arrayBuffer,options===null||options===void 0?void 0:options.draco));case 7:_context44.prev=7;dracoParser.destroy();return _context44.finish(7);case 10:case"end":return _context44.stop();}}},_callee40,null,[[5,,7,10]]);}));return _parse$2.apply(this,arguments);}function getGLTFAccessors(attributes){var accessors={};for(var _name7 in attributes){var attribute=attributes[_name7];if(_name7!=='indices'){var glTFAccessor=getGLTFAccessor(attribute);accessors[_name7]=glTFAccessor;}}return accessors;}function getGLTFAccessor(attribute){var _getAccessorData=getAccessorData(attribute),buffer=_getAccessorData.buffer,size=_getAccessorData.size,count=_getAccessorData.count;var glTFAccessor={value:buffer,size:size,byteOffset:0,count:count,type:getAccessorTypeFromSize(size),componentType:getComponentTypeFromArray(buffer)};return glTFAccessor;}function getAccessorData(attribute){var buffer=attribute;var size=1;var count=0;if(attribute&&attribute.value){buffer=attribute.value;size=attribute.size||1;}if(buffer){if(!ArrayBuffer.isView(buffer)){buffer=toTypedArray(buffer,Float32Array);}count=buffer.length/size;}return{buffer:buffer,size:size,count:count};}function toTypedArray(array,ArrayType){var convertTypedArrays=arguments.length>2&&arguments[2]!==undefined?arguments[2]:false;if(!array){return null;}if(Array.isArray(array)){return new ArrayType(array);}if(convertTypedArrays&&!(array instanceof ArrayType)){return new ArrayType(array);}return array;}var KHR_DRACO_MESH_COMPRESSION='KHR_draco_mesh_compression';var name$3=KHR_DRACO_MESH_COMPRESSION;function preprocess$1(gltfData,options,context){var scenegraph=new GLTFScenegraph(gltfData);var _iterator26=_createForOfIteratorHelper(makeMeshPrimitiveIterator(scenegraph)),_step26;try{for(_iterator26.s();!(_step26=_iterator26.n()).done;){var _primitive=_step26.value;if(scenegraph.getObjectExtension(_primitive,KHR_DRACO_MESH_COMPRESSION));}}catch(err){_iterator26.e(err);}finally{_iterator26.f();}}function decode$3(_x72,_x73,_x74){return _decode$2.apply(this,arguments);}function _decode$2(){_decode$2=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee41(gltfData,options,context){var _options$gltf,scenegraph,promises,_iterator50,_step50,_primitive5;return _regeneratorRuntime().wrap(function _callee41$(_context45){while(1){switch(_context45.prev=_context45.next){case 0:if(options!==null&&options!==void 0&&(_options$gltf=options.gltf)!==null&&_options$gltf!==void 0&&_options$gltf.decompressMeshes){_context45.next=2;break;}return _context45.abrupt("return");case 2:scenegraph=new GLTFScenegraph(gltfData);promises=[];_iterator50=_createForOfIteratorHelper(makeMeshPrimitiveIterator(scenegraph));try{for(_iterator50.s();!(_step50=_iterator50.n()).done;){_primitive5=_step50.value;if(scenegraph.getObjectExtension(_primitive5,KHR_DRACO_MESH_COMPRESSION)){promises.push(decompressPrimitive(scenegraph,_primitive5,options,context));}}}catch(err){_iterator50.e(err);}finally{_iterator50.f();}_context45.next=8;return Promise.all(promises);case 8:scenegraph.removeExtension(KHR_DRACO_MESH_COMPRESSION);case 9:case"end":return _context45.stop();}}},_callee41);}));return _decode$2.apply(this,arguments);}function encode$3(gltfData){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var scenegraph=new GLTFScenegraph(gltfData);var _iterator27=_createForOfIteratorHelper(scenegraph.json.meshes||[]),_step27;try{for(_iterator27.s();!(_step27=_iterator27.n()).done;){var _mesh3=_step27.value;compressMesh(_mesh3);scenegraph.addRequiredExtension(KHR_DRACO_MESH_COMPRESSION);}}catch(err){_iterator27.e(err);}finally{_iterator27.f();}}function decompressPrimitive(_x75,_x76,_x77,_x78){return _decompressPrimitive.apply(this,arguments);}function _decompressPrimitive(){_decompressPrimitive=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee42(scenegraph,primitive,options,context){var dracoExtension,buffer,bufferCopy,parse,dracoOptions,decodedData,decodedAttributes,_i620,_Object$entries6,_Object$entries6$_i,attributeName,decodedAttribute,accessorIndex,accessor;return _regeneratorRuntime().wrap(function _callee42$(_context46){while(1){switch(_context46.prev=_context46.next){case 0:dracoExtension=scenegraph.getObjectExtension(primitive,KHR_DRACO_MESH_COMPRESSION);if(dracoExtension){_context46.next=3;break;}return _context46.abrupt("return");case 3:buffer=scenegraph.getTypedArrayForBufferView(dracoExtension.bufferView);bufferCopy=sliceArrayBuffer(buffer.buffer,buffer.byteOffset);parse=context.parse;dracoOptions=_objectSpread({},options);delete dracoOptions['3d-tiles'];_context46.next=10;return parse(bufferCopy,DracoLoader,dracoOptions,context);case 10:decodedData=_context46.sent;decodedAttributes=getGLTFAccessors(decodedData.attributes);for(_i620=0,_Object$entries6=Object.entries(decodedAttributes);_i620<_Object$entries6.length;_i620++){_Object$entries6$_i=_slicedToArray(_Object$entries6[_i620],2),attributeName=_Object$entries6$_i[0],decodedAttribute=_Object$entries6$_i[1];if(attributeName in primitive.attributes){accessorIndex=primitive.attributes[attributeName];accessor=scenegraph.getAccessor(accessorIndex);if(accessor!==null&&accessor!==void 0&&accessor.min&&accessor!==null&&accessor!==void 0&&accessor.max){decodedAttribute.min=accessor.min;decodedAttribute.max=accessor.max;}}}primitive.attributes=decodedAttributes;if(decodedData.indices){primitive.indices=getGLTFAccessor(decodedData.indices);}checkPrimitive(primitive);case 16:case"end":return _context46.stop();}}},_callee42);}));return _decompressPrimitive.apply(this,arguments);}function compressMesh(attributes,indices){var mode=arguments.length>2&&arguments[2]!==undefined?arguments[2]:4;var options=arguments.length>3?arguments[3]:undefined;var context=arguments.length>4?arguments[4]:undefined;var _context$parseSync;if(!options.DracoWriter){throw new Error('options.gltf.DracoWriter not provided');}var compressedData=options.DracoWriter.encodeSync({attributes:attributes});var decodedData=context===null||context===void 0?void 0:(_context$parseSync=context.parseSync)===null||_context$parseSync===void 0?void 0:_context$parseSync.call(context,{attributes:attributes});var fauxAccessors=options._addFauxAttributes(decodedData.attributes);var bufferViewIndex=options.addBufferView(compressedData);var glTFMesh={primitives:[{attributes:fauxAccessors,mode:mode,extensions:_defineProperty2({},KHR_DRACO_MESH_COMPRESSION,{bufferView:bufferViewIndex,attributes:fauxAccessors})}]};return glTFMesh;}function checkPrimitive(primitive){if(!primitive.attributes&&Object.keys(primitive.attributes).length>0){throw new Error('glTF: Empty primitive detected: Draco decompression failure?');}}function makeMeshPrimitiveIterator(scenegraph){var _iterator28,_step28,_mesh4,_iterator29,_step29,_primitive2;return _regeneratorRuntime().wrap(function makeMeshPrimitiveIterator$(_context10){while(1){switch(_context10.prev=_context10.next){case 0:_iterator28=_createForOfIteratorHelper(scenegraph.json.meshes||[]);_context10.prev=1;_iterator28.s();case 3:if((_step28=_iterator28.n()).done){_context10.next=24;break;}_mesh4=_step28.value;_iterator29=_createForOfIteratorHelper(_mesh4.primitives);_context10.prev=6;_iterator29.s();case 8:if((_step29=_iterator29.n()).done){_context10.next=14;break;}_primitive2=_step29.value;_context10.next=12;return _primitive2;case 12:_context10.next=8;break;case 14:_context10.next=19;break;case 16:_context10.prev=16;_context10.t0=_context10["catch"](6);_iterator29.e(_context10.t0);case 19:_context10.prev=19;_iterator29.f();return _context10.finish(19);case 22:_context10.next=3;break;case 24:_context10.next=29;break;case 26:_context10.prev=26;_context10.t1=_context10["catch"](1);_iterator28.e(_context10.t1);case 29:_context10.prev=29;_iterator28.f();return _context10.finish(29);case 32:case"end":return _context10.stop();}}},_marked3,null,[[1,26,29,32],[6,16,19,22]]);}var KHR_draco_mesh_compression=/*#__PURE__*/Object.freeze({__proto__:null,name:name$3,preprocess:preprocess$1,decode:decode$3,encode:encode$3});var KHR_LIGHTS_PUNCTUAL='KHR_lights_punctual';var name$2=KHR_LIGHTS_PUNCTUAL;function decode$2(_x79){return _decode$3.apply(this,arguments);}function _decode$3(){_decode$3=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee43(gltfData){var gltfScenegraph,json,extension,_iterator51,_step51,_node10,nodeExtension;return _regeneratorRuntime().wrap(function _callee43$(_context47){while(1){switch(_context47.prev=_context47.next){case 0:gltfScenegraph=new GLTFScenegraph(gltfData);json=gltfScenegraph.json;extension=gltfScenegraph.getExtension(KHR_LIGHTS_PUNCTUAL);if(extension){gltfScenegraph.json.lights=extension.lights;gltfScenegraph.removeExtension(KHR_LIGHTS_PUNCTUAL);}_iterator51=_createForOfIteratorHelper(json.nodes||[]);try{for(_iterator51.s();!(_step51=_iterator51.n()).done;){_node10=_step51.value;nodeExtension=gltfScenegraph.getObjectExtension(_node10,KHR_LIGHTS_PUNCTUAL);if(nodeExtension){_node10.light=nodeExtension.light;}gltfScenegraph.removeObjectExtension(_node10,KHR_LIGHTS_PUNCTUAL);}}catch(err){_iterator51.e(err);}finally{_iterator51.f();}case 6:case"end":return _context47.stop();}}},_callee43);}));return _decode$3.apply(this,arguments);}function encode$2(_x80){return _encode$.apply(this,arguments);}function _encode$(){_encode$=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee44(gltfData){var gltfScenegraph,json,extension,_iterator52,_step52,light,_node11;return _regeneratorRuntime().wrap(function 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_callee46$(_context50){while(1){switch(_context50.prev=_context50.next){case 0:gltfScenegraph=new GLTFScenegraph(gltfData);json=gltfScenegraph.json;extension=gltfScenegraph.getExtension(KHR_TECHNIQUES_WEBGL);if(extension){techniques=resolveTechniques(extension,gltfScenegraph);_iterator54=_createForOfIteratorHelper(json.materials||[]);try{for(_iterator54.s();!(_step54=_iterator54.n()).done;){material=_step54.value;materialExtension=gltfScenegraph.getObjectExtension(material,KHR_TECHNIQUES_WEBGL);if(materialExtension){material.technique=Object.assign({},materialExtension,techniques[materialExtension.technique]);material.technique.values=resolveValues(material.technique,gltfScenegraph);}gltfScenegraph.removeObjectExtension(material,KHR_TECHNIQUES_WEBGL);}}catch(err){_iterator54.e(err);}finally{_iterator54.f();}gltfScenegraph.removeExtension(KHR_TECHNIQUES_WEBGL);}case 4:case"end":return _context50.stop();}}},_callee46);}));return _decode.apply(this,arguments);}function encode(_x83,_x84){return _encode.apply(this,arguments);}function _encode(){_encode=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee47(gltfData,options){return _regeneratorRuntime().wrap(function _callee47$(_context51){while(1){switch(_context51.prev=_context51.next){case 0:case"end":return _context51.stop();}}},_callee47);}));return _encode.apply(this,arguments);}function resolveTechniques(techniquesExtension,gltfScenegraph){var _techniquesExtension$=techniquesExtension.programs,programs=_techniquesExtension$===void 0?[]:_techniquesExtension$,_techniquesExtension$2=techniquesExtension.shaders,shaders=_techniquesExtension$2===void 0?[]:_techniquesExtension$2,_techniquesExtension$3=techniquesExtension.techniques,techniques=_techniquesExtension$3===void 0?[]:_techniquesExtension$3;var textDecoder=new TextDecoder();shaders.forEach(function(shader){if(Number.isFinite(shader.bufferView)){shader.code=textDecoder.decode(gltfScenegraph.getTypedArrayForBufferView(shader.bufferView));}else{throw new Error('KHR_techniques_webgl: no shader code');}});programs.forEach(function(program){program.fragmentShader=shaders[program.fragmentShader];program.vertexShader=shaders[program.vertexShader];});techniques.forEach(function(technique){technique.program=programs[technique.program];});return techniques;}function resolveValues(technique,gltfScenegraph){var values=Object.assign({},technique.values);Object.keys(technique.uniforms||{}).forEach(function(uniform){if(technique.uniforms[uniform].value&&!(uniform in values)){values[uniform]=technique.uniforms[uniform].value;}});Object.keys(values).forEach(function(uniform){if(_typeof(values[uniform])==='object'&&values[uniform].index!==undefined){values[uniform].texture=gltfScenegraph.getTexture(values[uniform].index);}});return values;}var KHR_techniques_webgl=/*#__PURE__*/Object.freeze({__proto__:null,name:name,decode:decode,encode:encode});var EXTENSIONS=[EXT_meshopt_compression,EXT_texture_webp,KHR_texture_basisu,KHR_draco_mesh_compression,KHR_lights_punctual,KHR_materials_unlit,KHR_techniques_webgl];function preprocessExtensions(gltf){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var context=arguments.length>2?arguments[2]:undefined;var extensions=EXTENSIONS.filter(function(extension){return useExtension(extension.name,options);});var _iterator31=_createForOfIteratorHelper(extensions),_step31;try{for(_iterator31.s();!(_step31=_iterator31.n()).done;){var extension=_step31.value;var _extension$preprocess;(_extension$preprocess=extension.preprocess)===null||_extension$preprocess===void 0?void 0:_extension$preprocess.call(extension,gltf,options,context);}}catch(err){_iterator31.e(err);}finally{_iterator31.f();}}function decodeExtensions(_x85){return _decodeExtensions.apply(this,arguments);}function _decodeExtensions(){_decodeExtensions=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee48(gltf){var options,context,extensions,_iterator55,_step55,extension,_extension$decode,_args46=arguments;return _regeneratorRuntime().wrap(function _callee48$(_context52){while(1){switch(_context52.prev=_context52.next){case 0:options=_args46.length>1&&_args46[1]!==undefined?_args46[1]:{};context=_args46.length>2?_args46[2]:undefined;extensions=EXTENSIONS.filter(function(extension){return useExtension(extension.name,options);});_iterator55=_createForOfIteratorHelper(extensions);_context52.prev=4;_iterator55.s();case 6:if((_step55=_iterator55.n()).done){_context52.next=12;break;}extension=_step55.value;_context52.next=10;return(_extension$decode=extension.decode)===null||_extension$decode===void 0?void 0:_extension$decode.call(extension,gltf,options,context);case 10:_context52.next=6;break;case 12:_context52.next=17;break;case 14:_context52.prev=14;_context52.t0=_context52["catch"](4);_iterator55.e(_context52.t0);case 17:_context52.prev=17;_iterator55.f();return _context52.finish(17);case 20:case"end":return _context52.stop();}}},_callee48,null,[[4,14,17,20]]);}));return _decodeExtensions.apply(this,arguments);}function useExtension(extensionName,options){var _options$gltf;var excludes=(options===null||options===void 0?void 0:(_options$gltf=options.gltf)===null||_options$gltf===void 0?void 0:_options$gltf.excludeExtensions)||{};var exclude=extensionName in excludes&&!excludes[extensionName];return!exclude;}var KHR_BINARY_GLTF='KHR_binary_glTF';function preprocess(gltfData){var gltfScenegraph=new GLTFScenegraph(gltfData);var json=gltfScenegraph.json;var _iterator32=_createForOfIteratorHelper(json.images||[]),_step32;try{for(_iterator32.s();!(_step32=_iterator32.n()).done;){var _image7=_step32.value;var extension=gltfScenegraph.getObjectExtension(_image7,KHR_BINARY_GLTF);if(extension){Object.assign(_image7,extension);}gltfScenegraph.removeObjectExtension(_image7,KHR_BINARY_GLTF);}}catch(err){_iterator32.e(err);}finally{_iterator32.f();}if(json.buffers&&json.buffers[0]){delete json.buffers[0].uri;}gltfScenegraph.removeExtension(KHR_BINARY_GLTF);}var GLTF_ARRAYS={accessors:'accessor',animations:'animation',buffers:'buffer',bufferViews:'bufferView',images:'image',materials:'material',meshes:'mesh',nodes:'node',samplers:'sampler',scenes:'scene',skins:'skin',textures:'texture'};var GLTF_KEYS={accessor:'accessors',animations:'animation',buffer:'buffers',bufferView:'bufferViews',image:'images',material:'materials',mesh:'meshes',node:'nodes',sampler:'samplers',scene:'scenes',skin:'skins',texture:'textures'};var GLTFV1Normalizer=/*#__PURE__*/function(){function GLTFV1Normalizer(){_classCallCheck(this,GLTFV1Normalizer);_defineProperty(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}});_defineProperty(this,"json",void 0);}_createClass(GLTFV1Normalizer,[{key:"normalize",value:function normalize(gltf,options){this.json=gltf.json;var json=gltf.json;switch(json.asset&&json.asset.version){case'2.0':return;case undefined:case'1.0':break;default:console.warn("glTF: Unknown version ".concat(json.asset.version));return;}if(!options.normalize){throw new Error('glTF v1 is not supported.');}console.warn('Converting glTF v1 to glTF v2 format. This is experimental and may fail.');this._addAsset(json);this._convertTopLevelObjectsToArrays(json);preprocess(gltf);this._convertObjectIdsToArrayIndices(json);this._updateObjects(json);this._updateMaterial(json);}},{key:"_addAsset",value:function _addAsset(json){json.asset=json.asset||{};json.asset.version='2.0';json.asset.generator=json.asset.generator||'Normalized to glTF 2.0 by loaders.gl';}},{key:"_convertTopLevelObjectsToArrays",value:function _convertTopLevelObjectsToArrays(json){for(var arrayName in GLTF_ARRAYS){this._convertTopLevelObjectToArray(json,arrayName);}}},{key:"_convertTopLevelObjectToArray",value:function _convertTopLevelObjectToArray(json,mapName){var objectMap=json[mapName];if(!objectMap||Array.isArray(objectMap)){return;}json[mapName]=[];for(var id in objectMap){var object=objectMap[id];object.id=object.id||id;var index=json[mapName].length;json[mapName].push(object);this.idToIndexMap[mapName][id]=index;}}},{key:"_convertObjectIdsToArrayIndices",value:function _convertObjectIdsToArrayIndices(json){for(var arrayName in GLTF_ARRAYS){this._convertIdsToIndices(json,arrayName);}if('scene'in json){json.scene=this._convertIdToIndex(json.scene,'scene');}var _iterator33=_createForOfIteratorHelper(json.textures),_step33;try{for(_iterator33.s();!(_step33=_iterator33.n()).done;){var texture=_step33.value;this._convertTextureIds(texture);}}catch(err){_iterator33.e(err);}finally{_iterator33.f();}var _iterator34=_createForOfIteratorHelper(json.meshes),_step34;try{for(_iterator34.s();!(_step34=_iterator34.n()).done;){var _mesh5=_step34.value;this._convertMeshIds(_mesh5);}}catch(err){_iterator34.e(err);}finally{_iterator34.f();}var _iterator35=_createForOfIteratorHelper(json.nodes),_step35;try{for(_iterator35.s();!(_step35=_iterator35.n()).done;){var _node4=_step35.value;this._convertNodeIds(_node4);}}catch(err){_iterator35.e(err);}finally{_iterator35.f();}var _iterator36=_createForOfIteratorHelper(json.scenes),_step36;try{for(_iterator36.s();!(_step36=_iterator36.n()).done;){var _node5=_step36.value;this._convertSceneIds(_node5);}}catch(err){_iterator36.e(err);}finally{_iterator36.f();}}},{key:"_convertTextureIds",value:function _convertTextureIds(texture){if(texture.source){texture.source=this._convertIdToIndex(texture.source,'image');}}},{key:"_convertMeshIds",value:function _convertMeshIds(mesh){var _iterator37=_createForOfIteratorHelper(mesh.primitives),_step37;try{for(_iterator37.s();!(_step37=_iterator37.n()).done;){var _primitive3=_step37.value;var attributes=_primitive3.attributes,indices=_primitive3.indices,material=_primitive3.material;for(var attributeName in attributes){attributes[attributeName]=this._convertIdToIndex(attributes[attributeName],'accessor');}if(indices){_primitive3.indices=this._convertIdToIndex(indices,'accessor');}if(material){_primitive3.material=this._convertIdToIndex(material,'material');}}}catch(err){_iterator37.e(err);}finally{_iterator37.f();}}},{key:"_convertNodeIds",value:function _convertNodeIds(node){var _this130=this;if(node.children){node.children=node.children.map(function(child){return _this130._convertIdToIndex(child,'node');});}if(node.meshes){node.meshes=node.meshes.map(function(mesh){return _this130._convertIdToIndex(mesh,'mesh');});}}},{key:"_convertSceneIds",value:function _convertSceneIds(scene){var _this131=this;if(scene.nodes){scene.nodes=scene.nodes.map(function(node){return _this131._convertIdToIndex(node,'node');});}}},{key:"_convertIdsToIndices",value:function _convertIdsToIndices(json,topLevelArrayName){if(!json[topLevelArrayName]){console.warn("gltf v1: json doesn't contain attribute ".concat(topLevelArrayName));json[topLevelArrayName]=[];}var _iterator38=_createForOfIteratorHelper(json[topLevelArrayName]),_step38;try{for(_iterator38.s();!(_step38=_iterator38.n()).done;){var object=_step38.value;for(var key in object){var id=object[key];var index=this._convertIdToIndex(id,key);object[key]=index;}}}catch(err){_iterator38.e(err);}finally{_iterator38.f();}}},{key:"_convertIdToIndex",value:function _convertIdToIndex(id,key){var arrayName=GLTF_KEYS[key];if(arrayName in this.idToIndexMap){var index=this.idToIndexMap[arrayName][id];if(!Number.isFinite(index)){throw new Error("gltf v1: failed to resolve ".concat(key," with id ").concat(id));}return index;}return id;}},{key:"_updateObjects",value:function _updateObjects(json){var _iterator39=_createForOfIteratorHelper(this.json.buffers),_step39;try{for(_iterator39.s();!(_step39=_iterator39.n()).done;){var buffer=_step39.value;delete buffer.type;}}catch(err){_iterator39.e(err);}finally{_iterator39.f();}}},{key:"_updateMaterial",value:function _updateMaterial(json){var _iterator40=_createForOfIteratorHelper(json.materials),_step40;try{var _loop6=function _loop6(){var material=_step40.value;material.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};var textureId=((_material$values=material.values)===null||_material$values===void 0?void 0:_material$values.tex)||((_material$values2=material.values)===null||_material$values2===void 0?void 0:_material$values2.texture2d_0);var textureIndex=json.textures.findIndex(function(texture){return texture.id===textureId;});if(textureIndex!==-1){material.pbrMetallicRoughness.baseColorTexture={index:textureIndex};}};for(_iterator40.s();!(_step40=_iterator40.n()).done;){var _material$values,_material$values2;_loop6();}}catch(err){_iterator40.e(err);}finally{_iterator40.f();}}}]);return GLTFV1Normalizer;}();function normalizeGLTFV1(gltf){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};return new GLTFV1Normalizer().normalize(gltf,options);}var COMPONENTS={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16};var BYTES={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4};var GL_SAMPLER={TEXTURE_MAG_FILTER:0x2800,TEXTURE_MIN_FILTER:0x2801,TEXTURE_WRAP_S:0x2802,TEXTURE_WRAP_T:0x2803,REPEAT:0x2901,LINEAR:0x2601,NEAREST_MIPMAP_LINEAR:0x2702};var SAMPLER_PARAMETER_GLTF_TO_GL={magFilter:GL_SAMPLER.TEXTURE_MAG_FILTER,minFilter:GL_SAMPLER.TEXTURE_MIN_FILTER,wrapS:GL_SAMPLER.TEXTURE_WRAP_S,wrapT:GL_SAMPLER.TEXTURE_WRAP_T};var DEFAULT_SAMPLER=(_DEFAULT_SAMPLER={},_defineProperty2(_DEFAULT_SAMPLER,GL_SAMPLER.TEXTURE_MAG_FILTER,GL_SAMPLER.LINEAR),_defineProperty2(_DEFAULT_SAMPLER,GL_SAMPLER.TEXTURE_MIN_FILTER,GL_SAMPLER.NEAREST_MIPMAP_LINEAR),_defineProperty2(_DEFAULT_SAMPLER,GL_SAMPLER.TEXTURE_WRAP_S,GL_SAMPLER.REPEAT),_defineProperty2(_DEFAULT_SAMPLER,GL_SAMPLER.TEXTURE_WRAP_T,GL_SAMPLER.REPEAT),_DEFAULT_SAMPLER);function getBytesFromComponentType(componentType){return BYTES[componentType];}function getSizeFromAccessorType(type){return COMPONENTS[type];}var GLTFPostProcessor=/*#__PURE__*/function(){function GLTFPostProcessor(){_classCallCheck(this,GLTFPostProcessor);_defineProperty(this,"baseUri",'');_defineProperty(this,"json",{});_defineProperty(this,"buffers",[]);_defineProperty(this,"images",[]);}_createClass(GLTFPostProcessor,[{key:"postProcess",value:function postProcess(gltf){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var json=gltf.json,_gltf$buffers=gltf.buffers,buffers=_gltf$buffers===void 0?[]:_gltf$buffers,_gltf$images=gltf.images,images=_gltf$images===void 0?[]:_gltf$images,_gltf$baseUri=gltf.baseUri,baseUri=_gltf$baseUri===void 0?'':_gltf$baseUri;assert$1(json);this.baseUri=baseUri;this.json=json;this.buffers=buffers;this.images=images;this._resolveTree(this.json,options);return this.json;}},{key:"_resolveTree",value:function _resolveTree(json){var _this132=this;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};if(json.bufferViews){json.bufferViews=json.bufferViews.map(function(bufView,i){return _this132._resolveBufferView(bufView,i);});}if(json.images){json.images=json.images.map(function(image,i){return _this132._resolveImage(image,i);});}if(json.samplers){json.samplers=json.samplers.map(function(sampler,i){return _this132._resolveSampler(sampler,i);});}if(json.textures){json.textures=json.textures.map(function(texture,i){return _this132._resolveTexture(texture,i);});}if(json.accessors){json.accessors=json.accessors.map(function(accessor,i){return _this132._resolveAccessor(accessor,i);});}if(json.materials){json.materials=json.materials.map(function(material,i){return _this132._resolveMaterial(material,i);});}if(json.meshes){json.meshes=json.meshes.map(function(mesh,i){return _this132._resolveMesh(mesh,i);});}if(json.nodes){json.nodes=json.nodes.map(function(node,i){return _this132._resolveNode(node,i);});}if(json.skins){json.skins=json.skins.map(function(skin,i){return _this132._resolveSkin(skin,i);});}if(json.scenes){json.scenes=json.scenes.map(function(scene,i){return _this132._resolveScene(scene,i);});}if(json.scene!==undefined){json.scene=json.scenes[this.json.scene];}}},{key:"getScene",value:function getScene(index){return this._get('scenes',index);}},{key:"getNode",value:function getNode(index){return this._get('nodes',index);}},{key:"getSkin",value:function getSkin(index){return this._get('skins',index);}},{key:"getMesh",value:function getMesh(index){return this._get('meshes',index);}},{key:"getMaterial",value:function getMaterial(index){return this._get('materials',index);}},{key:"getAccessor",value:function getAccessor(index){return this._get('accessors',index);}},{key:"getCamera",value:function getCamera(index){return null;}},{key:"getTexture",value:function getTexture(index){return this._get('textures',index);}},{key:"getSampler",value:function getSampler(index){return this._get('samplers',index);}},{key:"getImage",value:function getImage(index){return this._get('images',index);}},{key:"getBufferView",value:function getBufferView(index){return this._get('bufferViews',index);}},{key:"getBuffer",value:function getBuffer(index){return this._get('buffers',index);}},{key:"_get",value:function _get(array,index){if(_typeof(index)==='object'){return index;}var object=this.json[array]&&this.json[array][index];if(!object){console.warn("glTF file error: Could not find ".concat(array,"[").concat(index,"]"));}return object;}},{key:"_resolveScene",value:function _resolveScene(scene,index){var _this133=this;scene.id=scene.id||"scene-".concat(index);scene.nodes=(scene.nodes||[]).map(function(node){return _this133.getNode(node);});return scene;}},{key:"_resolveNode",value:function _resolveNode(node,index){var _this134=this;node.id=node.id||"node-".concat(index);if(node.children){node.children=node.children.map(function(child){return _this134.getNode(child);});}if(node.mesh!==undefined){node.mesh=this.getMesh(node.mesh);}else if(node.meshes!==undefined&&node.meshes.length){node.mesh=node.meshes.reduce(function(accum,meshIndex){var mesh=_this134.getMesh(meshIndex);accum.id=mesh.id;accum.primitives=accum.primitives.concat(mesh.primitives);return accum;},{primitives:[]});}if(node.camera!==undefined){node.camera=this.getCamera(node.camera);}if(node.skin!==undefined){node.skin=this.getSkin(node.skin);}return node;}},{key:"_resolveSkin",value:function _resolveSkin(skin,index){skin.id=skin.id||"skin-".concat(index);skin.inverseBindMatrices=this.getAccessor(skin.inverseBindMatrices);return skin;}},{key:"_resolveMesh",value:function _resolveMesh(mesh,index){var _this135=this;mesh.id=mesh.id||"mesh-".concat(index);if(mesh.primitives){mesh.primitives=mesh.primitives.map(function(primitive){primitive=_objectSpread({},primitive);var attributes=primitive.attributes;primitive.attributes={};for(var attribute in attributes){primitive.attributes[attribute]=_this135.getAccessor(attributes[attribute]);}if(primitive.indices!==undefined){primitive.indices=_this135.getAccessor(primitive.indices);}if(primitive.material!==undefined){primitive.material=_this135.getMaterial(primitive.material);}return primitive;});}return mesh;}},{key:"_resolveMaterial",value:function _resolveMaterial(material,index){material.id=material.id||"material-".concat(index);if(material.normalTexture){material.normalTexture=_objectSpread({},material.normalTexture);material.normalTexture.texture=this.getTexture(material.normalTexture.index);}if(material.occlusionTexture){material.occlustionTexture=_objectSpread({},material.occlustionTexture);material.occlusionTexture.texture=this.getTexture(material.occlusionTexture.index);}if(material.emissiveTexture){material.emmisiveTexture=_objectSpread({},material.emmisiveTexture);material.emissiveTexture.texture=this.getTexture(material.emissiveTexture.index);}if(!material.emissiveFactor){material.emissiveFactor=material.emmisiveTexture?[1,1,1]:[0,0,0];}if(material.pbrMetallicRoughness){material.pbrMetallicRoughness=_objectSpread({},material.pbrMetallicRoughness);var mr=material.pbrMetallicRoughness;if(mr.baseColorTexture){mr.baseColorTexture=_objectSpread({},mr.baseColorTexture);mr.baseColorTexture.texture=this.getTexture(mr.baseColorTexture.index);}if(mr.metallicRoughnessTexture){mr.metallicRoughnessTexture=_objectSpread({},mr.metallicRoughnessTexture);mr.metallicRoughnessTexture.texture=this.getTexture(mr.metallicRoughnessTexture.index);}}return material;}},{key:"_resolveAccessor",value:function _resolveAccessor(accessor,index){accessor.id=accessor.id||"accessor-".concat(index);if(accessor.bufferView!==undefined){accessor.bufferView=this.getBufferView(accessor.bufferView);}accessor.bytesPerComponent=getBytesFromComponentType(accessor.componentType);accessor.components=getSizeFromAccessorType(accessor.type);accessor.bytesPerElement=accessor.bytesPerComponent*accessor.components;if(accessor.bufferView){var buffer=accessor.bufferView.buffer;var _getAccessorArrayType2=getAccessorArrayTypeAndLength(accessor,accessor.bufferView),ArrayType=_getAccessorArrayType2.ArrayType,byteLength=_getAccessorArrayType2.byteLength;var byteOffset=(accessor.bufferView.byteOffset||0)+(accessor.byteOffset||0)+buffer.byteOffset;var cutBuffer=buffer.arrayBuffer.slice(byteOffset,byteOffset+byteLength);if(accessor.bufferView.byteStride){cutBuffer=this._getValueFromInterleavedBuffer(buffer,byteOffset,accessor.bufferView.byteStride,accessor.bytesPerElement,accessor.count);}accessor.value=new ArrayType(cutBuffer);}return accessor;}},{key:"_getValueFromInterleavedBuffer",value:function _getValueFromInterleavedBuffer(buffer,byteOffset,byteStride,bytesPerElement,count){var result=new Uint8Array(count*bytesPerElement);for(var _i524=0;_i524<count;_i524++){var elementOffset=byteOffset+_i524*byteStride;result.set(new Uint8Array(buffer.arrayBuffer.slice(elementOffset,elementOffset+bytesPerElement)),_i524*bytesPerElement);}return result.buffer;}},{key:"_resolveTexture",value:function _resolveTexture(texture,index){texture.id=texture.id||"texture-".concat(index);texture.sampler='sampler'in texture?this.getSampler(texture.sampler):DEFAULT_SAMPLER;texture.source=this.getImage(texture.source);return texture;}},{key:"_resolveSampler",value:function _resolveSampler(sampler,index){sampler.id=sampler.id||"sampler-".concat(index);sampler.parameters={};for(var key in sampler){var glEnum=this._enumSamplerParameter(key);if(glEnum!==undefined){sampler.parameters[glEnum]=sampler[key];}}return sampler;}},{key:"_enumSamplerParameter",value:function _enumSamplerParameter(key){return SAMPLER_PARAMETER_GLTF_TO_GL[key];}},{key:"_resolveImage",value:function _resolveImage(image,index){image.id=image.id||"image-".concat(index);if(image.bufferView!==undefined){image.bufferView=this.getBufferView(image.bufferView);}var preloadedImage=this.images[index];if(preloadedImage){image.image=preloadedImage;}return image;}},{key:"_resolveBufferView",value:function _resolveBufferView(bufferView,index){var bufferIndex=bufferView.buffer;var result=_objectSpread(_objectSpread({id:"bufferView-".concat(index)},bufferView),{},{buffer:this.buffers[bufferIndex]});var arrayBuffer=this.buffers[bufferIndex].arrayBuffer;var byteOffset=this.buffers[bufferIndex].byteOffset||0;if('byteOffset'in bufferView){byteOffset+=bufferView.byteOffset;}result.data=new Uint8Array(arrayBuffer,byteOffset,bufferView.byteLength);return result;}},{key:"_resolveCamera",value:function _resolveCamera(camera,index){camera.id=camera.id||"camera-".concat(index);if(camera.perspective);if(camera.orthographic);return camera;}}]);return GLTFPostProcessor;}();function postProcessGLTF(gltf,options){return new GLTFPostProcessor().postProcess(gltf,options);}var MAGIC_glTF=0x676c5446;var GLB_FILE_HEADER_SIZE=12;var GLB_CHUNK_HEADER_SIZE=8;var GLB_CHUNK_TYPE_JSON=0x4e4f534a;var GLB_CHUNK_TYPE_BIN=0x004e4942;var GLB_CHUNK_TYPE_JSON_XVIZ_DEPRECATED=0;var GLB_CHUNK_TYPE_BIX_XVIZ_DEPRECATED=1;var GLB_V1_CONTENT_FORMAT_JSON=0x0;var LE=true;function getMagicString(dataView){var byteOffset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;return"".concat(String.fromCharCode(dataView.getUint8(byteOffset+0))).concat(String.fromCharCode(dataView.getUint8(byteOffset+1))).concat(String.fromCharCode(dataView.getUint8(byteOffset+2))).concat(String.fromCharCode(dataView.getUint8(byteOffset+3)));}function isGLB(arrayBuffer){var byteOffset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var options=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{};var dataView=new DataView(arrayBuffer);var _options$magic=options.magic,magic=_options$magic===void 0?MAGIC_glTF:_options$magic;var magic1=dataView.getUint32(byteOffset,false);return magic1===magic||magic1===MAGIC_glTF;}function parseGLBSync(glb,arrayBuffer){var byteOffset=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var options=arguments.length>3&&arguments[3]!==undefined?arguments[3]:{};var dataView=new DataView(arrayBuffer);var type=getMagicString(dataView,byteOffset+0);var version=dataView.getUint32(byteOffset+4,LE);var byteLength=dataView.getUint32(byteOffset+8,LE);Object.assign(glb,{header:{byteOffset:byteOffset,byteLength:byteLength,hasBinChunk:false},type:type,version:version,json:{},binChunks:[]});byteOffset+=GLB_FILE_HEADER_SIZE;switch(glb.version){case 1:return parseGLBV1(glb,dataView,byteOffset);case 2:return parseGLBV2(glb,dataView,byteOffset,options={});default:throw new Error("Invalid GLB version ".concat(glb.version,". Only supports v1 and v2."));}}function parseGLBV1(glb,dataView,byteOffset){assert$5(glb.header.byteLength>GLB_FILE_HEADER_SIZE+GLB_CHUNK_HEADER_SIZE);var contentLength=dataView.getUint32(byteOffset+0,LE);var contentFormat=dataView.getUint32(byteOffset+4,LE);byteOffset+=GLB_CHUNK_HEADER_SIZE;assert$5(contentFormat===GLB_V1_CONTENT_FORMAT_JSON);parseJSONChunk(glb,dataView,byteOffset,contentLength);byteOffset+=contentLength;byteOffset+=parseBINChunk(glb,dataView,byteOffset,glb.header.byteLength);return byteOffset;}function parseGLBV2(glb,dataView,byteOffset,options){assert$5(glb.header.byteLength>GLB_FILE_HEADER_SIZE+GLB_CHUNK_HEADER_SIZE);parseGLBChunksSync(glb,dataView,byteOffset,options);return byteOffset+glb.header.byteLength;}function parseGLBChunksSync(glb,dataView,byteOffset,options){while(byteOffset+8<=glb.header.byteLength){var chunkLength=dataView.getUint32(byteOffset+0,LE);var chunkFormat=dataView.getUint32(byteOffset+4,LE);byteOffset+=GLB_CHUNK_HEADER_SIZE;switch(chunkFormat){case GLB_CHUNK_TYPE_JSON:parseJSONChunk(glb,dataView,byteOffset,chunkLength);break;case GLB_CHUNK_TYPE_BIN:parseBINChunk(glb,dataView,byteOffset,chunkLength);break;case GLB_CHUNK_TYPE_JSON_XVIZ_DEPRECATED:if(!options.strict){parseJSONChunk(glb,dataView,byteOffset,chunkLength);}break;case GLB_CHUNK_TYPE_BIX_XVIZ_DEPRECATED:if(!options.strict){parseBINChunk(glb,dataView,byteOffset,chunkLength);}break;}byteOffset+=padToNBytes(chunkLength,4);}return byteOffset;}function parseJSONChunk(glb,dataView,byteOffset,chunkLength){var jsonChunk=new Uint8Array(dataView.buffer,byteOffset,chunkLength);var textDecoder=new TextDecoder('utf8');var jsonText=textDecoder.decode(jsonChunk);glb.json=JSON.parse(jsonText);return padToNBytes(chunkLength,4);}function parseBINChunk(glb,dataView,byteOffset,chunkLength){glb.header.hasBinChunk=true;glb.binChunks.push({byteOffset:byteOffset,byteLength:chunkLength,arrayBuffer:dataView.buffer});return padToNBytes(chunkLength,4);}function parseGLTF$1(_x86,_x87){return _parseGLTF$.apply(this,arguments);}function _parseGLTF$(){_parseGLTF$=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee49(gltf,arrayBufferOrString){var byteOffset,options,context,_options$gltf,_options$gltf2,_options$gltf3,_options$gltf4,promises,_promise,promise,_args47=arguments;return _regeneratorRuntime().wrap(function _callee49$(_context53){while(1){switch(_context53.prev=_context53.next){case 0:byteOffset=_args47.length>2&&_args47[2]!==undefined?_args47[2]:0;options=_args47.length>3?_args47[3]:undefined;context=_args47.length>4?_args47[4]:undefined;parseGLTFContainerSync(gltf,arrayBufferOrString,byteOffset,options);normalizeGLTFV1(gltf,{normalize:options===null||options===void 0?void 0:(_options$gltf=options.gltf)===null||_options$gltf===void 0?void 0:_options$gltf.normalize});preprocessExtensions(gltf,options,context);promises=[];if(!(options!==null&&options!==void 0&&(_options$gltf2=options.gltf)!==null&&_options$gltf2!==void 0&&_options$gltf2.loadBuffers&&gltf.json.buffers)){_context53.next=10;break;}_context53.next=10;return loadBuffers(gltf,options,context);case 10:if(options!==null&&options!==void 0&&(_options$gltf3=options.gltf)!==null&&_options$gltf3!==void 0&&_options$gltf3.loadImages){_promise=loadImages(gltf,options,context);promises.push(_promise);}promise=decodeExtensions(gltf,options,context);promises.push(promise);_context53.next=15;return Promise.all(promises);case 15:return _context53.abrupt("return",options!==null&&options!==void 0&&(_options$gltf4=options.gltf)!==null&&_options$gltf4!==void 0&&_options$gltf4.postProcess?postProcessGLTF(gltf,options):gltf);case 16:case"end":return _context53.stop();}}},_callee49);}));return _parseGLTF$.apply(this,arguments);}function parseGLTFContainerSync(gltf,data,byteOffset,options){if(options.uri){gltf.baseUri=options.uri;}if(data instanceof ArrayBuffer&&!isGLB(data,byteOffset,options)){var textDecoder=new TextDecoder();data=textDecoder.decode(data);}if(typeof data==='string'){gltf.json=parseJSON(data);}else if(data instanceof ArrayBuffer){var glb={};byteOffset=parseGLBSync(glb,data,byteOffset,options.glb);assert$1(glb.type==='glTF',"Invalid GLB magic string ".concat(glb.type));gltf._glb=glb;gltf.json=glb.json;}else{assert$1(false,'GLTF: must be ArrayBuffer or string');}var buffers=gltf.json.buffers||[];gltf.buffers=new Array(buffers.length).fill(null);if(gltf._glb&&gltf._glb.header.hasBinChunk){var binChunks=gltf._glb.binChunks;gltf.buffers[0]={arrayBuffer:binChunks[0].arrayBuffer,byteOffset:binChunks[0].byteOffset,byteLength:binChunks[0].byteLength};}var images=gltf.json.images||[];gltf.images=new Array(images.length).fill({});}function loadBuffers(_x88,_x89,_x90){return _loadBuffers.apply(this,arguments);}function _loadBuffers(){_loadBuffers=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee50(gltf,options,context){var buffers,_i621,buffer,_context$fetch,_response$arrayBuffer,_fetch,uri,response,arrayBuffer;return _regeneratorRuntime().wrap(function _callee50$(_context54){while(1){switch(_context54.prev=_context54.next){case 0:buffers=gltf.json.buffers||[];_i621=0;case 2:if(!(_i621<buffers.length)){_context54.next=22;break;}buffer=buffers[_i621];if(!buffer.uri){_context54.next=18;break;}_fetch=context.fetch;assert$1(_fetch);uri=resolveUrl(buffer.uri,options);_context54.next=10;return context===null||context===void 0?void 0:(_context$fetch=context.fetch)===null||_context$fetch===void 0?void 0:_context$fetch.call(context,uri);case 10:response=_context54.sent;_context54.next=13;return response===null||response===void 0?void 0:(_response$arrayBuffer=response.arrayBuffer)===null||_response$arrayBuffer===void 0?void 0:_response$arrayBuffer.call(response);case 13:arrayBuffer=_context54.sent;gltf.buffers[_i621]={arrayBuffer:arrayBuffer,byteOffset:0,byteLength:arrayBuffer.byteLength};delete buffer.uri;_context54.next=19;break;case 18:if(gltf.buffers[_i621]===null){gltf.buffers[_i621]={arrayBuffer:new ArrayBuffer(buffer.byteLength),byteOffset:0,byteLength:buffer.byteLength};}case 19:++_i621;_context54.next=2;break;case 22:case"end":return _context54.stop();}}},_callee50);}));return _loadBuffers.apply(this,arguments);}function loadImages(_x91,_x92,_x93){return _loadImages.apply(this,arguments);}function _loadImages(){_loadImages=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee51(gltf,options,context){var imageIndices,images,promises,_iterator56,_step56,imageIndex;return _regeneratorRuntime().wrap(function _callee51$(_context55){while(1){switch(_context55.prev=_context55.next){case 0:imageIndices=getReferencesImageIndices(gltf);images=gltf.json.images||[];promises=[];_iterator56=_createForOfIteratorHelper(imageIndices);try{for(_iterator56.s();!(_step56=_iterator56.n()).done;){imageIndex=_step56.value;promises.push(loadImage(gltf,images[imageIndex],imageIndex,options,context));}}catch(err){_iterator56.e(err);}finally{_iterator56.f();}_context55.next=7;return Promise.all(promises);case 7:return _context55.abrupt("return",_context55.sent);case 8:case"end":return _context55.stop();}}},_callee51);}));return _loadImages.apply(this,arguments);}function getReferencesImageIndices(gltf){var imageIndices=new Set();var textures=gltf.json.textures||[];var _iterator41=_createForOfIteratorHelper(textures),_step41;try{for(_iterator41.s();!(_step41=_iterator41.n()).done;){var texture=_step41.value;if(texture.source!==undefined){imageIndices.add(texture.source);}}}catch(err){_iterator41.e(err);}finally{_iterator41.f();}return Array.from(imageIndices).sort();}function loadImage(_x94,_x95,_x96,_x97,_x98){return _loadImage.apply(this,arguments);}function _loadImage(){_loadImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee52(gltf,image,index,options,context){var fetch,parse,arrayBuffer,uri,response,array,parsedImage;return _regeneratorRuntime().wrap(function _callee52$(_context56){while(1){switch(_context56.prev=_context56.next){case 0:fetch=context.fetch,parse=context.parse;if(!image.uri){_context56.next=9;break;}uri=resolveUrl(image.uri,options);_context56.next=5;return fetch(uri);case 5:response=_context56.sent;_context56.next=8;return response.arrayBuffer();case 8:arrayBuffer=_context56.sent;case 9:if(Number.isFinite(image.bufferView)){array=getTypedArrayForBufferView(gltf.json,gltf.buffers,image.bufferView);arrayBuffer=sliceArrayBuffer(array.buffer,array.byteOffset,array.byteLength);}assert$1(arrayBuffer,'glTF image has no data');_context56.next=13;return parse(arrayBuffer,[ImageLoader,BasisLoader],{mimeType:image.mimeType,basis:options.basis||{format:selectSupportedBasisFormat()}},context);case 13:parsedImage=_context56.sent;if(parsedImage&&parsedImage[0]){parsedImage={compressed:true,mipmaps:false,width:parsedImage[0].width,height:parsedImage[0].height,data:parsedImage[0]};}gltf.images=gltf.images||[];gltf.images[index]=parsedImage;case 17:case"end":return _context56.stop();}}},_callee52);}));return _loadImage.apply(this,arguments);}var GLTFLoader={name:'glTF',id:'gltf',module:'gltf',version:VERSION$5,extensions:['gltf','glb'],mimeTypes:['model/gltf+json','model/gltf-binary'],text:true,binary:true,tests:['glTF'],parse:parse$1,options:{gltf:{normalize:true,loadBuffers:true,loadImages:true,decompressMeshes:true,postProcess:true},log:console},deprecatedOptions:{fetchImages:'gltf.loadImages',createImages:'gltf.loadImages',decompress:'gltf.decompressMeshes',postProcess:'gltf.postProcess',gltf:{decompress:'gltf.decompressMeshes'}}};function parse$1(_x99){return _parse$3.apply(this,arguments);}/**
+for(var _i509=0,len=plugins.length;_i509<len;_i509++){var plugin=plugins[_i509];plugin.destroy();}this.scene.destroy();}}]);return Viewer;}();function assert$5(condition,message){if(!condition){throw new Error(message||'loader assertion failed.');}}var isBrowser$4=Boolean((typeof process==="undefined"?"undefined":_typeof(process))!=='object'||String(process)!=='[object process]'||process.browser);var matches$1=typeof process!=='undefined'&&process.version&&/v([0-9]*)/.exec(process.version);matches$1&&parseFloat(matches$1[1])||0;var VERSION$9="3.2.6";function assert$4(condition,message){if(!condition){throw new Error(message||'loaders.gl assertion failed.');}}var globals$2={self:typeof self!=='undefined'&&self,window:typeof window!=='undefined'&&window,global:typeof global!=='undefined'&&global,document:typeof document!=='undefined'&&document};var global_=globals$2.global||globals$2.self||globals$2.window||{};var isBrowser$3=(typeof process==="undefined"?"undefined":_typeof(process))!=='object'||String(process)!=='[object process]'||process.browser;var isWorker=typeof importScripts==='function';var isMobile=typeof window!=='undefined'&&typeof window.orientation!=='undefined';var matches=typeof process!=='undefined'&&process.version&&/v([0-9]*)/.exec(process.version);matches&&parseFloat(matches[1])||0;function _defineProperty(obj,key,value){if(key in obj){Object.defineProperty(obj,key,{value:value,enumerable:true,configurable:true,writable:true});}else{obj[key]=value;}return obj;}var WorkerJob=/*#__PURE__*/function(){function WorkerJob(jobName,workerThread){var _this120=this;_classCallCheck(this,WorkerJob);_defineProperty(this,"name",void 0);_defineProperty(this,"workerThread",void 0);_defineProperty(this,"isRunning",true);_defineProperty(this,"result",void 0);_defineProperty(this,"_resolve",function(){});_defineProperty(this,"_reject",function(){});this.name=jobName;this.workerThread=workerThread;this.result=new Promise(function(resolve,reject){_this120._resolve=resolve;_this120._reject=reject;});}_createClass(WorkerJob,[{key:"postMessage",value:function postMessage(type,payload){this.workerThread.postMessage({source:'loaders.gl',type:type,payload:payload});}},{key:"done",value:function done(value){assert$4(this.isRunning);this.isRunning=false;this._resolve(value);}},{key:"error",value:function error(_error){assert$4(this.isRunning);this.isRunning=false;this._reject(_error);}}]);return WorkerJob;}();var Worker$1=/*#__PURE__*/_createClass(function Worker$1(){_classCallCheck(this,Worker$1);});var workerURLCache=new Map();function getLoadableWorkerURL(props){assert$4(props.source&&!props.url||!props.source&&props.url);var workerURL=workerURLCache.get(props.source||props.url);if(!workerURL){if(props.url){workerURL=getLoadableWorkerURLFromURL(props.url);workerURLCache.set(props.url,workerURL);}if(props.source){workerURL=getLoadableWorkerURLFromSource(props.source);workerURLCache.set(props.source,workerURL);}}assert$4(workerURL);return workerURL;}function getLoadableWorkerURLFromURL(url){if(!url.startsWith('http')){return url;}var workerSource=buildScriptSource(url);return getLoadableWorkerURLFromSource(workerSource);}function getLoadableWorkerURLFromSource(workerSource){var blob=new Blob([workerSource],{type:'application/javascript'});return URL.createObjectURL(blob);}function buildScriptSource(workerUrl){return"try {\n  importScripts('".concat(workerUrl,"');\n} catch (error) {\n  console.error(error);\n  throw error;\n}");}function getTransferList(object){var recursive=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;var transfers=arguments.length>2?arguments[2]:undefined;var transfersSet=transfers||new Set();if(!object);else if(isTransferable(object)){transfersSet.add(object);}else if(isTransferable(object.buffer)){transfersSet.add(object.buffer);}else if(ArrayBuffer.isView(object));else if(recursive&&_typeof(object)==='object'){for(var key in object){getTransferList(object[key],recursive,transfersSet);}}return transfers===undefined?Array.from(transfersSet):[];}function isTransferable(object){if(!object){return false;}if(object instanceof ArrayBuffer){return true;}if(typeof MessagePort!=='undefined'&&object instanceof MessagePort){return true;}if(typeof ImageBitmap!=='undefined'&&object instanceof ImageBitmap){return true;}if(typeof OffscreenCanvas!=='undefined'&&object instanceof OffscreenCanvas){return true;}return false;}var NOOP=function NOOP(){};var WorkerThread=/*#__PURE__*/function(){function WorkerThread(props){_classCallCheck(this,WorkerThread);_defineProperty(this,"name",void 0);_defineProperty(this,"source",void 0);_defineProperty(this,"url",void 0);_defineProperty(this,"terminated",false);_defineProperty(this,"worker",void 0);_defineProperty(this,"onMessage",void 0);_defineProperty(this,"onError",void 0);_defineProperty(this,"_loadableURL",'');var name=props.name,source=props.source,url=props.url;assert$4(source||url);this.name=name;this.source=source;this.url=url;this.onMessage=NOOP;this.onError=function(error){return console.log(error);};this.worker=isBrowser$3?this._createBrowserWorker():this._createNodeWorker();}_createClass(WorkerThread,[{key:"destroy",value:function destroy(){this.onMessage=NOOP;this.onError=NOOP;this.worker.terminate();this.terminated=true;}},{key:"isRunning",get:function get(){return Boolean(this.onMessage);}},{key:"postMessage",value:function postMessage(data,transferList){transferList=transferList||getTransferList(data);this.worker.postMessage(data,transferList);}},{key:"_getErrorFromErrorEvent",value:function _getErrorFromErrorEvent(event){var message='Failed to load ';message+="worker ".concat(this.name," from ").concat(this.url,". 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state.globalOptions;};function normalizeOptions(options,loader,loaders,url){loaders=loaders||[];loaders=Array.isArray(loaders)?loaders:[loaders];validateOptions(options,loaders);return normalizeOptionsInternal(loader,options,url);}function getFetchFunction(options,context){var globalOptions=getGlobalLoaderOptions();var fetchOptions=options||globalOptions;if(typeof fetchOptions.fetch==='function'){return fetchOptions.fetch;}if(isObject(fetchOptions.fetch)){return function(url){return fetchFile(url,fetchOptions);};}if(context!==null&&context!==void 0&&context.fetch){return context===null||context===void 0?void 0:context.fetch;}return fetchFile;}function validateOptions(options,loaders){validateOptionsObject(options,null,DEFAULT_LOADER_OPTIONS,REMOVED_LOADER_OPTIONS,loaders);var _iterator9=_createForOfIteratorHelper(loaders),_step9;try{for(_iterator9.s();!(_step9=_iterator9.n()).done;){var loader=_step9.value;var idOptions=options&&options[loader.id]||{};var loaderOptions=loader.options&&loader.options[loader.id]||{};var deprecatedOptions=loader.deprecatedOptions&&loader.deprecatedOptions[loader.id]||{};validateOptionsObject(idOptions,loader.id,loaderOptions,deprecatedOptions,loaders);}}catch(err){_iterator9.e(err);}finally{_iterator9.f();}}function validateOptionsObject(options,id,defaultOptions,deprecatedOptions,loaders){var loaderName=id||'Top level';var prefix=id?"".concat(id,"."):'';for(var key in options){var isSubOptions=!id&&isObject(options[key]);var isBaseUriOption=key==='baseUri'&&!id;var isWorkerUrlOption=key==='workerUrl'&&id;if(!(key in defaultOptions)&&!isBaseUriOption&&!isWorkerUrlOption){if(key in deprecatedOptions){probeLog.warn("".concat(loaderName," loader option '").concat(prefix).concat(key,"' no longer supported, use '").concat(deprecatedOptions[key],"'"))();}else if(!isSubOptions){var suggestion=findSimilarOption(key,loaders);probeLog.warn("".concat(loaderName," loader option '").concat(prefix).concat(key,"' not recognized. ").concat(suggestion))();}}}}function findSimilarOption(optionKey,loaders){var lowerCaseOptionKey=optionKey.toLowerCase();var bestSuggestion='';var _iterator10=_createForOfIteratorHelper(loaders),_step10;try{for(_iterator10.s();!(_step10=_iterator10.n()).done;){var loader=_step10.value;for(var key in loader.options){if(optionKey===key){return"Did you mean '".concat(loader.id,".").concat(key,"'?");}var lowerCaseKey=key.toLowerCase();var isPartialMatch=lowerCaseOptionKey.startsWith(lowerCaseKey)||lowerCaseKey.startsWith(lowerCaseOptionKey);if(isPartialMatch){bestSuggestion=bestSuggestion||"Did you mean '".concat(loader.id,".").concat(key,"'?");}}}}catch(err){_iterator10.e(err);}finally{_iterator10.f();}return bestSuggestion;}function normalizeOptionsInternal(loader,options,url){var loaderDefaultOptions=loader.options||{};var mergedOptions=_objectSpread({},loaderDefaultOptions);addUrlOptions(mergedOptions,url);if(mergedOptions.log===null){mergedOptions.log=new NullLog();}mergeNestedFields(mergedOptions,getGlobalLoaderOptions());mergeNestedFields(mergedOptions,options);return mergedOptions;}function mergeNestedFields(mergedOptions,options){for(var key in options){if(key in options){var value=options[key];if(isPureObject(value)&&isPureObject(mergedOptions[key])){mergedOptions[key]=_objectSpread(_objectSpread({},mergedOptions[key]),options[key]);}else{mergedOptions[key]=options[key];}}}}function addUrlOptions(options,url){if(url&&!('baseUri'in options)){options.baseUri=url;}}function isLoaderObject(loader){var _loader;if(!loader){return false;}if(Array.isArray(loader)){loader=loader[0];}var hasExtensions=Array.isArray((_loader=loader)===null||_loader===void 0?void 0:_loader.extensions);return hasExtensions;}function normalizeLoader(loader){var _loader2,_loader3;assert$5(loader,'null loader');assert$5(isLoaderObject(loader),'invalid loader');var options;if(Array.isArray(loader)){options=loader[1];loader=loader[0];loader=_objectSpread(_objectSpread({},loader),{},{options:_objectSpread(_objectSpread({},loader.options),options)});}if((_loader2=loader)!==null&&_loader2!==void 0&&_loader2.parseTextSync||(_loader3=loader)!==null&&_loader3!==void 0&&_loader3.parseText){loader.text=true;}if(!loader.text){loader.binary=true;}return loader;}var getGlobalLoaderRegistry=function getGlobalLoaderRegistry(){var state=getGlobalLoaderState();state.loaderRegistry=state.loaderRegistry||[];return state.loaderRegistry;};function getRegisteredLoaders(){return getGlobalLoaderRegistry();}function isElectron(mockUserAgent){if(typeof window!=='undefined'&&_typeof(window.process)==='object'&&window.process.type==='renderer'){return true;}if(typeof process!=='undefined'&&_typeof(process.versions)==='object'&&Boolean(process.versions.electron)){return true;}var realUserAgent=(typeof navigator==="undefined"?"undefined":_typeof(navigator))==='object'&&typeof navigator.userAgent==='string'&&navigator.userAgent;var userAgent=mockUserAgent||realUserAgent;if(userAgent&&userAgent.indexOf('Electron')>=0){return true;}return false;}function isBrowser(){var isNode=(typeof process==="undefined"?"undefined":_typeof(process))==='object'&&String(process)==='[object process]'&&!process.browser;return!isNode||isElectron();}var globals={self:typeof self!=='undefined'&&self,window:typeof window!=='undefined'&&window,global:typeof global!=='undefined'&&global,document:typeof document!=='undefined'&&document,process:(typeof process==="undefined"?"undefined":_typeof(process))==='object'&&process};var window_=globals.window||globals.self||globals.global;var process_=globals.process||{};var VERSION$6=typeof __VERSION__!=='undefined'?__VERSION__:'untranspiled source';isBrowser();function getStorage(type){try{var storage=window[type];var x='__storage_test__';storage.setItem(x,x);storage.removeItem(x);return storage;}catch(e){return null;}}var LocalStorage=/*#__PURE__*/function(){function LocalStorage(id){_classCallCheck(this,LocalStorage);var defaultSettings=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var type=arguments.length>2&&arguments[2]!==undefined?arguments[2]:'sessionStorage';_defineProperty(this,"storage",void 0);_defineProperty(this,"id",void 0);_defineProperty(this,"config",{});this.storage=getStorage(type);this.id=id;this.config={};Object.assign(this.config,defaultSettings);this._loadConfiguration();}_createClass(LocalStorage,[{key:"getConfiguration",value:function getConfiguration(){return this.config;}},{key:"setConfiguration",value:function setConfiguration(configuration){this.config={};return this.updateConfiguration(configuration);}},{key:"updateConfiguration",value:function updateConfiguration(configuration){Object.assign(this.config,configuration);if(this.storage){var serialized=JSON.stringify(this.config);this.storage.setItem(this.id,serialized);}return this;}},{key:"_loadConfiguration",value:function _loadConfiguration(){var configuration={};if(this.storage){var serializedConfiguration=this.storage.getItem(this.id);configuration=serializedConfiguration?JSON.parse(serializedConfiguration):{};}Object.assign(this.config,configuration);return this;}}]);return LocalStorage;}();function formatTime(ms){var formatted;if(ms<10){formatted="".concat(ms.toFixed(2),"ms");}else if(ms<100){formatted="".concat(ms.toFixed(1),"ms");}else if(ms<1000){formatted="".concat(ms.toFixed(0),"ms");}else{formatted="".concat((ms/1000).toFixed(2),"s");}return formatted;}function leftPad(string){var length=arguments.length>1&&arguments[1]!==undefined?arguments[1]:8;var padLength=Math.max(length-string.length,0);return"".concat(' '.repeat(padLength)).concat(string);}function formatImage(image,message,scale){var maxWidth=arguments.length>3&&arguments[3]!==undefined?arguments[3]:600;var imageUrl=image.src.replace(/\(/g,'%28').replace(/\)/g,'%29');if(image.width>maxWidth){scale=Math.min(scale,maxWidth/image.width);}var width=image.width*scale;var height=image.height*scale;var style=['font-size:1px;',"padding:".concat(Math.floor(height/2),"px ").concat(Math.floor(width/2),"px;"),"line-height:".concat(height,"px;"),"background:url(".concat(imageUrl,");"),"background-size:".concat(width,"px ").concat(height,"px;"),'color:transparent;'].join('');return["".concat(message," %c+"),style];}var COLOR;(function(COLOR){COLOR[COLOR["BLACK"]=30]="BLACK";COLOR[COLOR["RED"]=31]="RED";COLOR[COLOR["GREEN"]=32]="GREEN";COLOR[COLOR["YELLOW"]=33]="YELLOW";COLOR[COLOR["BLUE"]=34]="BLUE";COLOR[COLOR["MAGENTA"]=35]="MAGENTA";COLOR[COLOR["CYAN"]=36]="CYAN";COLOR[COLOR["WHITE"]=37]="WHITE";COLOR[COLOR["BRIGHT_BLACK"]=90]="BRIGHT_BLACK";COLOR[COLOR["BRIGHT_RED"]=91]="BRIGHT_RED";COLOR[COLOR["BRIGHT_GREEN"]=92]="BRIGHT_GREEN";COLOR[COLOR["BRIGHT_YELLOW"]=93]="BRIGHT_YELLOW";COLOR[COLOR["BRIGHT_BLUE"]=94]="BRIGHT_BLUE";COLOR[COLOR["BRIGHT_MAGENTA"]=95]="BRIGHT_MAGENTA";COLOR[COLOR["BRIGHT_CYAN"]=96]="BRIGHT_CYAN";COLOR[COLOR["BRIGHT_WHITE"]=97]="BRIGHT_WHITE";})(COLOR||(COLOR={}));function getColor(color){return typeof color==='string'?COLOR[color.toUpperCase()]||COLOR.WHITE:color;}function addColor(string,color,background){if(!isBrowser&&typeof string==='string'){if(color){color=getColor(color);string="\x1B[".concat(color,"m").concat(string,"\x1B[39m");}if(background){color=getColor(background);string="\x1B[".concat(background+10,"m").concat(string,"\x1B[49m");}}return string;}function autobind(obj){var predefined=arguments.length>1&&arguments[1]!==undefined?arguments[1]:['constructor'];var proto=Object.getPrototypeOf(obj);var propNames=Object.getOwnPropertyNames(proto);var _iterator11=_createForOfIteratorHelper(propNames),_step11;try{var _loop5=function _loop5(){var key=_step11.value;if(typeof obj[key]==='function'){if(!predefined.find(function(name){return key===name;})){obj[key]=obj[key].bind(obj);}}};for(_iterator11.s();!(_step11=_iterator11.n()).done;){_loop5();}}catch(err){_iterator11.e(err);}finally{_iterator11.f();}}function assert$2(condition,message){if(!condition){throw new Error(message||'Assertion failed');}}function getHiResTimestamp(){var timestamp;if(isBrowser&&'performance'in window_){var _window$performance,_window$performance$n;timestamp=window_===null||window_===void 0?void 0:(_window$performance=window_.performance)===null||_window$performance===void 0?void 0:(_window$performance$n=_window$performance.now)===null||_window$performance$n===void 0?void 0:_window$performance$n.call(_window$performance);}else if('hrtime'in process_){var _process$hrtime;var timeParts=process_===null||process_===void 0?void 0:(_process$hrtime=process_.hrtime)===null||_process$hrtime===void 0?void 0:_process$hrtime.call(process_);timestamp=timeParts[0]*1000+timeParts[1]/1e6;}else{timestamp=Date.now();}return timestamp;}var originalConsole={debug:isBrowser?console.debug||console.log:console.log,log:console.log,info:console.info,warn:console.warn,error:console.error};var DEFAULT_SETTINGS={enabled:true,level:0};function noop(){}var cache={};var ONCE={once:true};var Log=/*#__PURE__*/function(){function Log(){_classCallCheck(this,Log);var _ref22=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{id:''},id=_ref22.id;_defineProperty(this,"id",void 0);_defineProperty(this,"VERSION",VERSION$6);_defineProperty(this,"_startTs",getHiResTimestamp());_defineProperty(this,"_deltaTs",getHiResTimestamp());_defineProperty(this,"_storage",void 0);_defineProperty(this,"userData",{});_defineProperty(this,"LOG_THROTTLE_TIMEOUT",0);this.id=id;this._storage=new LocalStorage("__probe-".concat(this.id,"__"),DEFAULT_SETTINGS);this.userData={};this.timeStamp("".concat(this.id," started"));autobind(this);Object.seal(this);}_createClass(Log,[{key:"level",get:function get(){return this.getLevel();},set:function set(newLevel){this.setLevel(newLevel);}},{key:"isEnabled",value:function isEnabled(){return this._storage.config.enabled;}},{key:"getLevel",value:function getLevel(){return this._storage.config.level;}},{key:"getTotal",value:function getTotal(){return Number((getHiResTimestamp()-this._startTs).toPrecision(10));}},{key:"getDelta",value:function getDelta(){return Number((getHiResTimestamp()-this._deltaTs).toPrecision(10));}},{key:"priority",get:function get(){return this.level;},set:function set(newPriority){this.level=newPriority;}},{key:"getPriority",value:function getPriority(){return this.level;}},{key:"enable",value:function enable(){var enabled=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;this._storage.updateConfiguration({enabled:enabled});return this;}},{key:"setLevel",value:function setLevel(level){this._storage.updateConfiguration({level:level});return this;}},{key:"get",value:function get(setting){return this._storage.config[setting];}},{key:"set",value:function set(setting,value){this._storage.updateConfiguration(_defineProperty2({},setting,value));}},{key:"settings",value:function settings(){if(console.table){console.table(this._storage.config);}else{console.log(this._storage.config);}}},{key:"assert",value:function assert(condition,message){assert$2(condition,message);}},{key:"warn",value:function warn(message){return this._getLogFunction(0,message,originalConsole.warn,arguments,ONCE);}},{key:"error",value:function error(message){return this._getLogFunction(0,message,originalConsole.error,arguments);}},{key:"deprecated",value:function deprecated(oldUsage,newUsage){return this.warn("`".concat(oldUsage,"` is deprecated and will be removed in a later version. Use `").concat(newUsage,"` instead"));}},{key:"removed",value:function removed(oldUsage,newUsage){return this.error("`".concat(oldUsage,"` has been removed. Use `").concat(newUsage,"` instead"));}},{key:"probe",value:function probe(logLevel,message){return this._getLogFunction(logLevel,message,originalConsole.log,arguments,{time:true,once:true});}},{key:"log",value:function log(logLevel,message){return this._getLogFunction(logLevel,message,originalConsole.debug,arguments);}},{key:"info",value:function info(logLevel,message){return this._getLogFunction(logLevel,message,console.info,arguments);}},{key:"once",value:function once(logLevel,message){for(var _len=arguments.length,args=new Array(_len>2?_len-2:0),_key=2;_key<_len;_key++){args[_key-2]=arguments[_key];}return this._getLogFunction(logLevel,message,originalConsole.debug||originalConsole.info,arguments,ONCE);}},{key:"table",value:function table(logLevel,_table2,columns){if(_table2){return this._getLogFunction(logLevel,_table2,console.table||noop,columns&&[columns],{tag:getTableHeader(_table2)});}return noop;}},{key:"image",value:function image(_ref){var logLevel=_ref.logLevel,priority=_ref.priority,image=_ref.image,_ref$message=_ref.message,message=_ref$message===void 0?'':_ref$message,_ref$scale=_ref.scale,scale=_ref$scale===void 0?1:_ref$scale;if(!this._shouldLog(logLevel||priority)){return noop;}return isBrowser?logImageInBrowser({image:image,message:message,scale:scale}):logImageInNode({image:image,message:message,scale:scale});}},{key:"time",value:function time(logLevel,message){return this._getLogFunction(logLevel,message,console.time?console.time:console.info);}},{key:"timeEnd",value:function timeEnd(logLevel,message){return this._getLogFunction(logLevel,message,console.timeEnd?console.timeEnd:console.info);}},{key:"timeStamp",value:function timeStamp(logLevel,message){return this._getLogFunction(logLevel,message,console.timeStamp||noop);}},{key:"group",value:function group(logLevel,message){var opts=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{collapsed:false};var options=normalizeArguments({logLevel:logLevel,message:message,opts:opts});var collapsed=opts.collapsed;options.method=(collapsed?console.groupCollapsed:console.group)||console.info;return this._getLogFunction(options);}},{key:"groupCollapsed",value:function groupCollapsed(logLevel,message){var opts=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{};return this.group(logLevel,message,Object.assign({},opts,{collapsed:true}));}},{key:"groupEnd",value:function groupEnd(logLevel){return this._getLogFunction(logLevel,'',console.groupEnd||noop);}},{key:"withGroup",value:function withGroup(logLevel,message,func){this.group(logLevel,message)();try{func();}finally{this.groupEnd(logLevel)();}}},{key:"trace",value:function trace(){if(console.trace){console.trace();}}},{key:"_shouldLog",value:function _shouldLog(logLevel){return this.isEnabled()&&this.getLevel()>=normalizeLogLevel(logLevel);}},{key:"_getLogFunction",value:function _getLogFunction(logLevel,message,method,args,opts){if(this._shouldLog(logLevel)){var _method2;opts=normalizeArguments({logLevel:logLevel,message:message,args:args,opts:opts});method=method||opts.method;assert$2(method);opts.total=this.getTotal();opts.delta=this.getDelta();this._deltaTs=getHiResTimestamp();var tag=opts.tag||opts.message;if(opts.once){if(!cache[tag]){cache[tag]=getHiResTimestamp();}else{return noop;}}message=decorateMessage(this.id,opts.message,opts);return(_method2=method).bind.apply(_method2,[console,message].concat(_toConsumableArray(opts.args)));}return noop;}}]);return Log;}();_defineProperty(Log,"VERSION",VERSION$6);function normalizeLogLevel(logLevel){if(!logLevel){return 0;}var resolvedLevel;switch(_typeof(logLevel)){case'number':resolvedLevel=logLevel;break;case'object':resolvedLevel=logLevel.logLevel||logLevel.priority||0;break;default:return 0;}assert$2(Number.isFinite(resolvedLevel)&&resolvedLevel>=0);return resolvedLevel;}function normalizeArguments(opts){var logLevel=opts.logLevel,message=opts.message;opts.logLevel=normalizeLogLevel(logLevel);var args=opts.args?Array.from(opts.args):[];while(args.length&&args.shift()!==message){}switch(_typeof(logLevel)){case'string':case'function':if(message!==undefined){args.unshift(message);}opts.message=logLevel;break;case'object':Object.assign(opts,logLevel);break;}if(typeof opts.message==='function'){opts.message=opts.message();}var messageType=_typeof(opts.message);assert$2(messageType==='string'||messageType==='object');return Object.assign(opts,{args:args},opts.opts);}function decorateMessage(id,message,opts){if(typeof message==='string'){var _time2=opts.time?leftPad(formatTime(opts.total)):'';message=opts.time?"".concat(id,": ").concat(_time2,"  ").concat(message):"".concat(id,": ").concat(message);message=addColor(message,opts.color,opts.background);}return message;}function logImageInNode(_ref2){var image=_ref2.image,_ref2$message=_ref2.message,message=_ref2$message===void 0?'':_ref2$message,_ref2$scale=_ref2.scale,scale=_ref2$scale===void 0?1:_ref2$scale;var asciify=null;try{asciify=module.require('asciify-image');}catch(error){}if(asciify){return function(){return asciify(image,{fit:'box',width:"".concat(Math.round(80*scale),"%")}).then(function(data){return console.log(data);});};}return noop;}function logImageInBrowser(_ref3){var image=_ref3.image,_ref3$message=_ref3.message,message=_ref3$message===void 0?'':_ref3$message,_ref3$scale=_ref3.scale,scale=_ref3$scale===void 0?1:_ref3$scale;if(typeof image==='string'){var img=new Image();img.onload=function(){var _console4;var args=formatImage(img,message,scale);(_console4=console).log.apply(_console4,_toConsumableArray(args));};img.src=image;return noop;}var element=image.nodeName||'';if(element.toLowerCase()==='img'){var _console5;(_console5=console).log.apply(_console5,_toConsumableArray(formatImage(image,message,scale)));return noop;}if(element.toLowerCase()==='canvas'){var _img2=new Image();_img2.onload=function(){var _console6;return(_console6=console).log.apply(_console6,_toConsumableArray(formatImage(_img2,message,scale)));};_img2.src=image.toDataURL();return noop;}return noop;}function getTableHeader(table){for(var key in table){for(var title in table[key]){return title||'untitled';}}return'empty';}var log=new Log({id:'loaders.gl'});var EXT_PATTERN=/\.([^.]+)$/;function selectLoader(_x27){return _selectLoader.apply(this,arguments);}function _selectLoader(){_selectLoader=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee18(data){var loaders,options,context,loader,_args16=arguments;return _regeneratorRuntime().wrap(function _callee18$(_context22){while(1){switch(_context22.prev=_context22.next){case 0:loaders=_args16.length>1&&_args16[1]!==undefined?_args16[1]:[];options=_args16.length>2?_args16[2]:undefined;context=_args16.length>3?_args16[3]:undefined;if(validHTTPResponse(data)){_context22.next=5;break;}return _context22.abrupt("return",null);case 5:loader=selectLoaderSync(data,loaders,_objectSpread(_objectSpread({},options),{},{nothrow:true}),context);if(!loader){_context22.next=8;break;}return _context22.abrupt("return",loader);case 8:if(!isBlob(data)){_context22.next=13;break;}_context22.next=11;return data.slice(0,10).arrayBuffer();case 11:data=_context22.sent;loader=selectLoaderSync(data,loaders,options,context);case 13:if(!(!loader&&!(options!==null&&options!==void 0&&options.nothrow))){_context22.next=15;break;}throw new Error(getNoValidLoaderMessage(data));case 15:return _context22.abrupt("return",loader);case 16:case"end":return _context22.stop();}}},_callee18);}));return _selectLoader.apply(this,arguments);}function selectLoaderSync(data){var loaders=arguments.length>1&&arguments[1]!==undefined?arguments[1]:[];var options=arguments.length>2?arguments[2]:undefined;var context=arguments.length>3?arguments[3]:undefined;if(!validHTTPResponse(data)){return null;}if(loaders&&!Array.isArray(loaders)){return normalizeLoader(loaders);}var candidateLoaders=[];if(loaders){candidateLoaders=candidateLoaders.concat(loaders);}if(!(options!==null&&options!==void 0&&options.ignoreRegisteredLoaders)){var _candidateLoaders;(_candidateLoaders=candidateLoaders).push.apply(_candidateLoaders,_toConsumableArray(getRegisteredLoaders()));}normalizeLoaders(candidateLoaders);var loader=selectLoaderInternal(data,candidateLoaders,options,context);if(!loader&&!(options!==null&&options!==void 0&&options.nothrow)){throw new Error(getNoValidLoaderMessage(data));}return loader;}function selectLoaderInternal(data,loaders,options,context){var _getResourceUrlAndTyp=getResourceUrlAndType(data),url=_getResourceUrlAndTyp.url,type=_getResourceUrlAndTyp.type;var testUrl=url||(context===null||context===void 0?void 0:context.url);var loader=null;var reason='';if(options!==null&&options!==void 0&&options.mimeType){loader=findLoaderByMIMEType(loaders,options===null||options===void 0?void 0:options.mimeType);reason="match forced by supplied MIME type ".concat(options===null||options===void 0?void 0:options.mimeType);}loader=loader||findLoaderByUrl(loaders,testUrl);reason=reason||(loader?"matched url ".concat(testUrl):'');loader=loader||findLoaderByMIMEType(loaders,type);reason=reason||(loader?"matched MIME type ".concat(type):'');loader=loader||findLoaderByInitialBytes(loaders,data);reason=reason||(loader?"matched initial data ".concat(getFirstCharacters(data)):'');loader=loader||findLoaderByMIMEType(loaders,options===null||options===void 0?void 0:options.fallbackMimeType);reason=reason||(loader?"matched fallback MIME type ".concat(type):'');if(reason){var _loader;log.log(1,"selectLoader selected ".concat((_loader=loader)===null||_loader===void 0?void 0:_loader.name,": ").concat(reason,"."));}return loader;}function validHTTPResponse(data){if(data instanceof Response){if(data.status===204){return false;}}return true;}function getNoValidLoaderMessage(data){var _getResourceUrlAndTyp2=getResourceUrlAndType(data),url=_getResourceUrlAndTyp2.url,type=_getResourceUrlAndTyp2.type;var message='No valid loader found (';message+=url?"".concat(filename(url),", "):'no url provided, ';message+="MIME type: ".concat(type?"\"".concat(type,"\""):'not provided',", ");var firstCharacters=data?getFirstCharacters(data):'';message+=firstCharacters?" first bytes: \"".concat(firstCharacters,"\""):'first bytes: not available';message+=')';return message;}function normalizeLoaders(loaders){var _iterator12=_createForOfIteratorHelper(loaders),_step12;try{for(_iterator12.s();!(_step12=_iterator12.n()).done;){var loader=_step12.value;normalizeLoader(loader);}}catch(err){_iterator12.e(err);}finally{_iterator12.f();}}function findLoaderByUrl(loaders,url){var match=url&&EXT_PATTERN.exec(url);var extension=match&&match[1];return extension?findLoaderByExtension(loaders,extension):null;}function findLoaderByExtension(loaders,extension){extension=extension.toLowerCase();var _iterator13=_createForOfIteratorHelper(loaders),_step13;try{for(_iterator13.s();!(_step13=_iterator13.n()).done;){var loader=_step13.value;var _iterator14=_createForOfIteratorHelper(loader.extensions),_step14;try{for(_iterator14.s();!(_step14=_iterator14.n()).done;){var loaderExtension=_step14.value;if(loaderExtension.toLowerCase()===extension){return loader;}}}catch(err){_iterator14.e(err);}finally{_iterator14.f();}}}catch(err){_iterator13.e(err);}finally{_iterator13.f();}return null;}function findLoaderByMIMEType(loaders,mimeType){var _iterator15=_createForOfIteratorHelper(loaders),_step15;try{for(_iterator15.s();!(_step15=_iterator15.n()).done;){var loader=_step15.value;if(loader.mimeTypes&&loader.mimeTypes.includes(mimeType)){return 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GL_EXTENSIONS_CONSTANTS={COMPRESSED_RGB_S3TC_DXT1_EXT:0x83f0,COMPRESSED_RGBA_S3TC_DXT1_EXT:0x83f1,COMPRESSED_RGBA_S3TC_DXT3_EXT:0x83f2,COMPRESSED_RGBA_S3TC_DXT5_EXT:0x83f3,COMPRESSED_R11_EAC:0x9270,COMPRESSED_SIGNED_R11_EAC:0x9271,COMPRESSED_RG11_EAC:0x9272,COMPRESSED_SIGNED_RG11_EAC:0x9273,COMPRESSED_RGB8_ETC2:0x9274,COMPRESSED_RGBA8_ETC2_EAC:0x9275,COMPRESSED_SRGB8_ETC2:0x9276,COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:0x9277,COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:0x9278,COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:0x9279,COMPRESSED_RGB_PVRTC_4BPPV1_IMG:0x8c00,COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:0x8c02,COMPRESSED_RGB_PVRTC_2BPPV1_IMG:0x8c01,COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:0x8c03,COMPRESSED_RGB_ETC1_WEBGL:0x8d64,COMPRESSED_RGB_ATC_WEBGL:0x8c92,COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL:0x8c93,COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL:0x87ee,COMPRESSED_RGBA_ASTC_4X4_KHR:0x93b0,COMPRESSED_RGBA_ASTC_5X4_KHR:0x93b1,COMPRESSED_RGBA_ASTC_5X5_KHR:0x93b2,COMPRESSED_RGBA_ASTC_6X5_KHR:0x93b3,COMPRESSED_RGBA_ASTC_6X6_KHR:0x93b4,COMPRESSED_RGBA_ASTC_8X5_KHR:0x93b5,COMPRESSED_RGBA_ASTC_8X6_KHR:0x93b6,COMPRESSED_RGBA_ASTC_8X8_KHR:0x93b7,COMPRESSED_RGBA_ASTC_10X5_KHR:0x93b8,COMPRESSED_RGBA_ASTC_10X6_KHR:0x93b9,COMPRESSED_RGBA_ASTC_10X8_KHR:0x93ba,COMPRESSED_RGBA_ASTC_10X10_KHR:0x93bb,COMPRESSED_RGBA_ASTC_12X10_KHR:0x93bc,COMPRESSED_RGBA_ASTC_12X12_KHR:0x93bd,COMPRESSED_SRGB8_ALPHA8_ASTC_4X4_KHR:0x93d0,COMPRESSED_SRGB8_ALPHA8_ASTC_5X4_KHR:0x93d1,COMPRESSED_SRGB8_ALPHA8_ASTC_5X5_KHR:0x93d2,COMPRESSED_SRGB8_ALPHA8_ASTC_6X5_KHR:0x93d3,COMPRESSED_SRGB8_ALPHA8_ASTC_6X6_KHR:0x93d4,COMPRESSED_SRGB8_ALPHA8_ASTC_8X5_KHR:0x93d5,COMPRESSED_SRGB8_ALPHA8_ASTC_8X6_KHR:0x93d6,COMPRESSED_SRGB8_ALPHA8_ASTC_8X8_KHR:0x93d7,COMPRESSED_SRGB8_ALPHA8_ASTC_10X5_KHR:0x93d8,COMPRESSED_SRGB8_ALPHA8_ASTC_10X6_KHR:0x93d9,COMPRESSED_SRGB8_ALPHA8_ASTC_10X8_KHR:0x93da,COMPRESSED_SRGB8_ALPHA8_ASTC_10X10_KHR:0x93db,COMPRESSED_SRGB8_ALPHA8_ASTC_12X10_KHR:0x93dc,COMPRESSED_SRGB8_ALPHA8_ASTC_12X12_KHR:0x93dd,COMPRESSED_RED_RGTC1_EXT:0x8dbb,COMPRESSED_SIGNED_RED_RGTC1_EXT:0x8dbc,COMPRESSED_RED_GREEN_RGTC2_EXT:0x8dbd,COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:0x8dbe,COMPRESSED_SRGB_S3TC_DXT1_EXT:0x8c4c,COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:0x8c4d,COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:0x8c4e,COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:0x8c4f};var BROWSER_PREFIXES=['','WEBKIT_','MOZ_'];var WEBGL_EXTENSIONS={WEBGL_compressed_texture_s3tc:'dxt',WEBGL_compressed_texture_s3tc_srgb:'dxt-srgb',WEBGL_compressed_texture_etc1:'etc1',WEBGL_compressed_texture_etc:'etc2',WEBGL_compressed_texture_pvrtc:'pvrtc',WEBGL_compressed_texture_atc:'atc',WEBGL_compressed_texture_astc:'astc',EXT_texture_compression_rgtc:'rgtc'};var formats=null;function getSupportedGPUTextureFormats(gl){if(!formats){gl=gl||getWebGLContext()||undefined;formats=new Set();var _iterator17=_createForOfIteratorHelper(BROWSER_PREFIXES),_step17;try{for(_iterator17.s();!(_step17=_iterator17.n()).done;){var prefix=_step17.value;for(var extension in WEBGL_EXTENSIONS){if(gl&&gl.getExtension("".concat(prefix).concat(extension))){var gpuTextureFormat=WEBGL_EXTENSIONS[extension];formats.add(gpuTextureFormat);}}}}catch(err){_iterator17.e(err);}finally{_iterator17.f();}}return formats;}function getWebGLContext(){try{var _canvas6=document.createElement('canvas');return _canvas6.getContext('webgl');}catch(error){return null;}}var n,i,s,a,r,o,l,f;!function(t){t[t.NONE=0]="NONE",t[t.BASISLZ=1]="BASISLZ",t[t.ZSTD=2]="ZSTD",t[t.ZLIB=3]="ZLIB";}(n||(n={})),function(t){t[t.BASICFORMAT=0]="BASICFORMAT";}(i||(i={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.ETC1S=163]="ETC1S",t[t.UASTC=166]="UASTC";}(s||(s={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.SRGB=1]="SRGB";}(a||(a={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.LINEAR=1]="LINEAR",t[t.SRGB=2]="SRGB",t[t.ITU=3]="ITU",t[t.NTSC=4]="NTSC",t[t.SLOG=5]="SLOG",t[t.SLOG2=6]="SLOG2";}(r||(r={})),function(t){t[t.ALPHA_STRAIGHT=0]="ALPHA_STRAIGHT",t[t.ALPHA_PREMULTIPLIED=1]="ALPHA_PREMULTIPLIED";}(o||(o={})),function(t){t[t.RGB=0]="RGB",t[t.RRR=3]="RRR",t[t.GGG=4]="GGG",t[t.AAA=15]="AAA";}(l||(l={})),function(t){t[t.RGB=0]="RGB",t[t.RGBA=3]="RGBA",t[t.RRR=4]="RRR",t[t.RRRG=5]="RRRG";}(f||(f={}));var KTX2_ID=[0xab,0x4b,0x54,0x58,0x20,0x32,0x30,0xbb,0x0d,0x0a,0x1a,0x0a];function isKTX(data){var id=new Uint8Array(data);var notKTX=id.byteLength<KTX2_ID.length||id[0]!==KTX2_ID[0]||id[1]!==KTX2_ID[1]||id[2]!==KTX2_ID[2]||id[3]!==KTX2_ID[3]||id[4]!==KTX2_ID[4]||id[5]!==KTX2_ID[5]||id[6]!==KTX2_ID[6]||id[7]!==KTX2_ID[7]||id[8]!==KTX2_ID[8]||id[9]!==KTX2_ID[9]||id[10]!==KTX2_ID[10]||id[11]!==KTX2_ID[11];return!notKTX;}var OutputFormat={etc1:{basisFormat:0,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGB_ETC1_WEBGL},etc2:{basisFormat:1,compressed:true},bc1:{basisFormat:2,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGB_S3TC_DXT1_EXT},bc3:{basisFormat:3,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGBA_S3TC_DXT5_EXT},bc4:{basisFormat:4,compressed:true},bc5:{basisFormat:5,compressed:true},'bc7-m6-opaque-only':{basisFormat:6,compressed:true},'bc7-m5':{basisFormat:7,compressed:true},'pvrtc1-4-rgb':{basisFormat:8,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGB_PVRTC_4BPPV1_IMG},'pvrtc1-4-rgba':{basisFormat:9,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG},'astc-4x4':{basisFormat:10,compressed:true,format:GL_EXTENSIONS_CONSTANTS.COMPRESSED_RGBA_ASTC_4X4_KHR},'atc-rgb':{basisFormat:11,compressed:true},'atc-rgba-interpolated-alpha':{basisFormat:12,compressed:true},rgba32:{basisFormat:13,compressed:false},rgb565:{basisFormat:14,compressed:false},bgr565:{basisFormat:15,compressed:false},rgba4444:{basisFormat:16,compressed:false}};function parseBasis(_x43,_x44){return _parseBasis.apply(this,arguments);}function _parseBasis(){_parseBasis=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee26(data,options){var fileConstructors,_yield$loadBasisTrasc,BasisFile,_fileConstructors,_yield$loadBasisTrasc2,_BasisFile;return _regeneratorRuntime().wrap(function _callee26$(_context30){while(1){switch(_context30.prev=_context30.next){case 0:if(!(options.basis.containerFormat==='auto')){_context30.next=11;break;}if(!isKTX(data)){_context30.next=6;break;}_context30.next=4;return loadBasisEncoderModule(options);case 4:fileConstructors=_context30.sent;return _context30.abrupt("return",parseKTX2File(fileConstructors.KTX2File,data,options));case 6:_context30.next=8;return loadBasisTrascoderModule(options);case 8:_yield$loadBasisTrasc=_context30.sent;BasisFile=_yield$loadBasisTrasc.BasisFile;return _context30.abrupt("return",parseBasisFile(BasisFile,data,options));case 11:_context30.t0=options.basis.module;_context30.next=_context30.t0==='encoder'?14:_context30.t0==='transcoder'?22:22;break;case 14:_context30.next=16;return loadBasisEncoderModule(options);case 16:_fileConstructors=_context30.sent;_context30.t1=options.basis.containerFormat;_context30.next=_context30.t1==='ktx2'?20:_context30.t1==='basis'?21:21;break;case 20:return _context30.abrupt("return",parseKTX2File(_fileConstructors.KTX2File,data,options));case 21:return _context30.abrupt("return",parseBasisFile(_fileConstructors.BasisFile,data,options));case 22:_context30.next=24;return loadBasisTrascoderModule(options);case 24:_yield$loadBasisTrasc2=_context30.sent;_BasisFile=_yield$loadBasisTrasc2.BasisFile;return _context30.abrupt("return",parseBasisFile(_BasisFile,data,options));case 27:case"end":return _context30.stop();}}},_callee26);}));return _parseBasis.apply(this,arguments);}function parseBasisFile(BasisFile,data,options){var basisFile=new BasisFile(new Uint8Array(data));try{if(!basisFile.startTranscoding()){throw new Error('Failed to start basis transcoding');}var imageCount=basisFile.getNumImages();var images=[];for(var imageIndex=0;imageIndex<imageCount;imageIndex++){var levelsCount=basisFile.getNumLevels(imageIndex);var levels=[];for(var levelIndex=0;levelIndex<levelsCount;levelIndex++){levels.push(transcodeImage(basisFile,imageIndex,levelIndex,options));}images.push(levels);}return images;}finally{basisFile.close();basisFile["delete"]();}}function transcodeImage(basisFile,imageIndex,levelIndex,options){var width=basisFile.getImageWidth(imageIndex,levelIndex);var height=basisFile.getImageHeight(imageIndex,levelIndex);var hasAlpha=basisFile.getHasAlpha();var _getBasisOptions=getBasisOptions(options,hasAlpha),compressed=_getBasisOptions.compressed,format=_getBasisOptions.format,basisFormat=_getBasisOptions.basisFormat;var decodedSize=basisFile.getImageTranscodedSizeInBytes(imageIndex,levelIndex,basisFormat);var decodedData=new Uint8Array(decodedSize);if(!basisFile.transcodeImage(decodedData,imageIndex,levelIndex,basisFormat,0,0)){throw new Error('failed to start Basis transcoding');}return{width:width,height:height,data:decodedData,compressed:compressed,format:format,hasAlpha:hasAlpha};}function parseKTX2File(KTX2File,data,options){var ktx2File=new KTX2File(new Uint8Array(data));try{if(!ktx2File.startTranscoding()){throw new Error('failed to start KTX2 transcoding');}var levelsCount=ktx2File.getLevels();var levels=[];for(var levelIndex=0;levelIndex<levelsCount;levelIndex++){levels.push(transcodeKTX2Image(ktx2File,levelIndex,options));break;}return[levels];}finally{ktx2File.close();ktx2File["delete"]();}}function transcodeKTX2Image(ktx2File,levelIndex,options){var _ktx2File$getImageLev=ktx2File.getImageLevelInfo(levelIndex,0,0),alphaFlag=_ktx2File$getImageLev.alphaFlag,height=_ktx2File$getImageLev.height,width=_ktx2File$getImageLev.width;var _getBasisOptions2=getBasisOptions(options,alphaFlag),compressed=_getBasisOptions2.compressed,format=_getBasisOptions2.format,basisFormat=_getBasisOptions2.basisFormat;var decodedSize=ktx2File.getImageTranscodedSizeInBytes(levelIndex,0,0,basisFormat);var decodedData=new Uint8Array(decodedSize);if(!ktx2File.transcodeImage(decodedData,levelIndex,0,0,basisFormat,0,-1,-1)){throw new Error('Failed to transcode KTX2 image');}return{width:width,height:height,data:decodedData,compressed:compressed,hasAlpha:alphaFlag,format:format};}function getBasisOptions(options,hasAlpha){var format=options&&options.basis&&options.basis.format;if(format==='auto'){format=selectSupportedBasisFormat();}if(_typeof(format)==='object'){format=hasAlpha?format.alpha:format.noAlpha;}format=format.toLowerCase();return OutputFormat[format];}function selectSupportedBasisFormat(){var supportedFormats=getSupportedGPUTextureFormats();if(supportedFormats.has('astc')){return'astc-4x4';}else if(supportedFormats.has('dxt')){return{alpha:'bc3',noAlpha:'bc1'};}else if(supportedFormats.has('pvrtc')){return{alpha:'pvrtc1-4-rgba',noAlpha:'pvrtc1-4-rgb'};}else if(supportedFormats.has('etc1')){return'etc1';}else if(supportedFormats.has('etc2')){return'etc2';}return'rgb565';}var BasisWorkerLoader={name:'Basis',id:'basis',module:'textures',version:VERSION$4,worker:true,extensions:['basis','ktx2'],mimeTypes:['application/octet-stream','image/ktx2'],tests:['sB'],binary:true,options:{basis:{format:'auto',libraryPath:'libs/',containerFormat:'auto',module:'transcoder'}}};var BasisLoader=_objectSpread(_objectSpread({},BasisWorkerLoader),{},{parse:parseBasis});var VERSION$2="3.2.6";var _parseImageNode=globalThis._parseImageNode;var IMAGE_SUPPORTED=typeof Image!=='undefined';var IMAGE_BITMAP_SUPPORTED=typeof ImageBitmap!=='undefined';var NODE_IMAGE_SUPPORTED=Boolean(_parseImageNode);var DATA_SUPPORTED=isBrowser$4?true:NODE_IMAGE_SUPPORTED;function isImageTypeSupported(type){switch(type){case'auto':return IMAGE_BITMAP_SUPPORTED||IMAGE_SUPPORTED||DATA_SUPPORTED;case'imagebitmap':return IMAGE_BITMAP_SUPPORTED;case'image':return IMAGE_SUPPORTED;case'data':return DATA_SUPPORTED;default:throw new Error("@loaders.gl/images: image ".concat(type," not supported in this environment"));}}function getDefaultImageType(){if(IMAGE_BITMAP_SUPPORTED){return'imagebitmap';}if(IMAGE_SUPPORTED){return'image';}if(DATA_SUPPORTED){return'data';}throw new Error('Install \'@loaders.gl/polyfills\' to parse images under Node.js');}function getImageType(image){var format=getImageTypeOrNull(image);if(!format){throw new Error('Not an image');}return format;}function getImageData(image){switch(getImageType(image)){case'data':return image;case'image':case'imagebitmap':var _canvas7=document.createElement('canvas');var context=_canvas7.getContext('2d');if(!context){throw new Error('getImageData');}_canvas7.width=image.width;_canvas7.height=image.height;context.drawImage(image,0,0);return context.getImageData(0,0,image.width,image.height);default:throw new Error('getImageData');}}function getImageTypeOrNull(image){if(typeof ImageBitmap!=='undefined'&&image instanceof ImageBitmap){return'imagebitmap';}if(typeof Image!=='undefined'&&image instanceof Image){return'image';}if(image&&_typeof(image)==='object'&&image.data&&image.width&&image.height){return'data';}return null;}var SVG_DATA_URL_PATTERN=/^data:image\/svg\+xml/;var SVG_URL_PATTERN=/\.svg((\?|#).*)?$/;function isSVG(url){return url&&(SVG_DATA_URL_PATTERN.test(url)||SVG_URL_PATTERN.test(url));}function getBlobOrSVGDataUrl(arrayBuffer,url){if(isSVG(url)){var textDecoder=new TextDecoder();var xmlText=textDecoder.decode(arrayBuffer);try{if(typeof unescape==='function'&&typeof encodeURIComponent==='function'){xmlText=unescape(encodeURIComponent(xmlText));}}catch(error){throw new Error(error.message);}var src="data:image/svg+xml;base64,".concat(btoa(xmlText));return src;}return getBlob(arrayBuffer,url);}function getBlob(arrayBuffer,url){if(isSVG(url)){throw new Error('SVG cannot be parsed directly to imagebitmap');}return new Blob([new Uint8Array(arrayBuffer)]);}function parseToImage(_x45,_x46,_x47){return _parseToImage.apply(this,arguments);}function _parseToImage(){_parseToImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee27(arrayBuffer,options,url){var blobOrDataUrl,URL,objectUrl;return _regeneratorRuntime().wrap(function _callee27$(_context31){while(1){switch(_context31.prev=_context31.next){case 0:blobOrDataUrl=getBlobOrSVGDataUrl(arrayBuffer,url);URL=self.URL||self.webkitURL;objectUrl=typeof blobOrDataUrl!=='string'&&URL.createObjectURL(blobOrDataUrl);_context31.prev=3;_context31.next=6;return loadToImage(objectUrl||blobOrDataUrl,options);case 6:return _context31.abrupt("return",_context31.sent);case 7:_context31.prev=7;if(objectUrl){URL.revokeObjectURL(objectUrl);}return _context31.finish(7);case 10:case"end":return _context31.stop();}}},_callee27,null,[[3,,7,10]]);}));return _parseToImage.apply(this,arguments);}function loadToImage(_x48,_x49){return _loadToImage.apply(this,arguments);}function _loadToImage(){_loadToImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee28(url,options){var image;return _regeneratorRuntime().wrap(function _callee28$(_context32){while(1){switch(_context32.prev=_context32.next){case 0:image=new Image();image.src=url;if(!(options.image&&options.image.decode&&image.decode)){_context32.next=6;break;}_context32.next=5;return image.decode();case 5:return _context32.abrupt("return",image);case 6:_context32.next=8;return new Promise(function(resolve,reject){try{image.onload=function(){return resolve(image);};image.onerror=function(err){return reject(new Error("Could not load image ".concat(url,": ").concat(err)));};}catch(error){reject(error);}});case 8:return _context32.abrupt("return",_context32.sent);case 9:case"end":return _context32.stop();}}},_callee28);}));return _loadToImage.apply(this,arguments);}var EMPTY_OBJECT={};var imagebitmapOptionsSupported=true;function parseToImageBitmap(_x50,_x51,_x52){return _parseToImageBitmap.apply(this,arguments);}function _parseToImageBitmap(){_parseToImageBitmap=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee29(arrayBuffer,options,url){var blob,_image8,imagebitmapOptions;return _regeneratorRuntime().wrap(function _callee29$(_context33){while(1){switch(_context33.prev=_context33.next){case 0:if(!isSVG(url)){_context33.next=7;break;}_context33.next=3;return parseToImage(arrayBuffer,options,url);case 3:_image8=_context33.sent;blob=_image8;_context33.next=8;break;case 7:blob=getBlob(arrayBuffer,url);case 8:imagebitmapOptions=options&&options.imagebitmap;_context33.next=11;return safeCreateImageBitmap(blob,imagebitmapOptions);case 11:return _context33.abrupt("return",_context33.sent);case 12:case"end":return _context33.stop();}}},_callee29);}));return _parseToImageBitmap.apply(this,arguments);}function safeCreateImageBitmap(_x53){return _safeCreateImageBitmap.apply(this,arguments);}function _safeCreateImageBitmap(){_safeCreateImageBitmap=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee30(blob){var imagebitmapOptions,_args28=arguments;return _regeneratorRuntime().wrap(function _callee30$(_context34){while(1){switch(_context34.prev=_context34.next){case 0:imagebitmapOptions=_args28.length>1&&_args28[1]!==undefined?_args28[1]:null;if(isEmptyObject(imagebitmapOptions)||!imagebitmapOptionsSupported){imagebitmapOptions=null;}if(!imagebitmapOptions){_context34.next=13;break;}_context34.prev=3;_context34.next=6;return createImageBitmap(blob,imagebitmapOptions);case 6:return _context34.abrupt("return",_context34.sent);case 9:_context34.prev=9;_context34.t0=_context34["catch"](3);console.warn(_context34.t0);imagebitmapOptionsSupported=false;case 13:_context34.next=15;return createImageBitmap(blob);case 15:return _context34.abrupt("return",_context34.sent);case 16:case"end":return _context34.stop();}}},_callee30,null,[[3,9]]);}));return _safeCreateImageBitmap.apply(this,arguments);}function isEmptyObject(object){for(var key in object||EMPTY_OBJECT){return false;}return true;}var BIG_ENDIAN=false;var LITTLE_ENDIAN=true;function getBinaryImageMetadata(binaryData){var dataView=toDataView(binaryData);return getPngMetadata(dataView)||getJpegMetadata(dataView)||getGifMetadata(dataView)||getBmpMetadata(dataView);}function getPngMetadata(binaryData){var dataView=toDataView(binaryData);var isPng=dataView.byteLength>=24&&dataView.getUint32(0,BIG_ENDIAN)===0x89504e47;if(!isPng){return null;}return{mimeType:'image/png',width:dataView.getUint32(16,BIG_ENDIAN),height:dataView.getUint32(20,BIG_ENDIAN)};}function getGifMetadata(binaryData){var dataView=toDataView(binaryData);var isGif=dataView.byteLength>=10&&dataView.getUint32(0,BIG_ENDIAN)===0x47494638;if(!isGif){return null;}return{mimeType:'image/gif',width:dataView.getUint16(6,LITTLE_ENDIAN),height:dataView.getUint16(8,LITTLE_ENDIAN)};}function getBmpMetadata(binaryData){var dataView=toDataView(binaryData);var isBmp=dataView.byteLength>=14&&dataView.getUint16(0,BIG_ENDIAN)===0x424d&&dataView.getUint32(2,LITTLE_ENDIAN)===dataView.byteLength;if(!isBmp){return null;}return{mimeType:'image/bmp',width:dataView.getUint32(18,LITTLE_ENDIAN),height:dataView.getUint32(22,LITTLE_ENDIAN)};}function getJpegMetadata(binaryData){var dataView=toDataView(binaryData);var isJpeg=dataView.byteLength>=3&&dataView.getUint16(0,BIG_ENDIAN)===0xffd8&&dataView.getUint8(2)===0xff;if(!isJpeg){return null;}var _getJpegMarkers=getJpegMarkers(),tableMarkers=_getJpegMarkers.tableMarkers,sofMarkers=_getJpegMarkers.sofMarkers;var i=2;while(i+9<dataView.byteLength){var marker=dataView.getUint16(i,BIG_ENDIAN);if(sofMarkers.has(marker)){return{mimeType:'image/jpeg',height:dataView.getUint16(i+5,BIG_ENDIAN),width:dataView.getUint16(i+7,BIG_ENDIAN)};}if(!tableMarkers.has(marker)){return null;}i+=2;i+=dataView.getUint16(i,BIG_ENDIAN);}return null;}function getJpegMarkers(){var tableMarkers=new Set([0xffdb,0xffc4,0xffcc,0xffdd,0xfffe]);for(var _i514=0xffe0;_i514<0xfff0;++_i514){tableMarkers.add(_i514);}var sofMarkers=new Set([0xffc0,0xffc1,0xffc2,0xffc3,0xffc5,0xffc6,0xffc7,0xffc9,0xffca,0xffcb,0xffcd,0xffce,0xffcf,0xffde]);return{tableMarkers:tableMarkers,sofMarkers:sofMarkers};}function toDataView(data){if(data instanceof DataView){return data;}if(ArrayBuffer.isView(data)){return new DataView(data.buffer);}if(data instanceof ArrayBuffer){return new DataView(data);}throw new Error('toDataView');}function parseToNodeImage(_x54,_x55){return _parseToNodeImage.apply(this,arguments);}function _parseToNodeImage(){_parseToNodeImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee31(arrayBuffer,options){var _ref29,mimeType,_parseImageNode;return _regeneratorRuntime().wrap(function _callee31$(_context35){while(1){switch(_context35.prev=_context35.next){case 0:_ref29=getBinaryImageMetadata(arrayBuffer)||{},mimeType=_ref29.mimeType;_parseImageNode=globalThis._parseImageNode;assert$5(_parseImageNode);_context35.next=5;return _parseImageNode(arrayBuffer,mimeType);case 5:return _context35.abrupt("return",_context35.sent);case 6:case"end":return _context35.stop();}}},_callee31);}));return _parseToNodeImage.apply(this,arguments);}function parseImage(_x56,_x57,_x58){return _parseImage.apply(this,arguments);}function _parseImage(){_parseImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee32(arrayBuffer,options,context){var imageOptions,imageType,_ref30,url,loadType,image;return _regeneratorRuntime().wrap(function _callee32$(_context36){while(1){switch(_context36.prev=_context36.next){case 0:options=options||{};imageOptions=options.image||{};imageType=imageOptions.type||'auto';_ref30=context||{},url=_ref30.url;loadType=getLoadableImageType(imageType);_context36.t0=loadType;_context36.next=_context36.t0==='imagebitmap'?8:_context36.t0==='image'?12:_context36.t0==='data'?16:20;break;case 8:_context36.next=10;return parseToImageBitmap(arrayBuffer,options,url);case 10:image=_context36.sent;return _context36.abrupt("break",21);case 12:_context36.next=14;return parseToImage(arrayBuffer,options,url);case 14:image=_context36.sent;return _context36.abrupt("break",21);case 16:_context36.next=18;return parseToNodeImage(arrayBuffer);case 18:image=_context36.sent;return _context36.abrupt("break",21);case 20:assert$5(false);case 21:if(imageType==='data'){image=getImageData(image);}return _context36.abrupt("return",image);case 23:case"end":return _context36.stop();}}},_callee32);}));return _parseImage.apply(this,arguments);}function getLoadableImageType(type){switch(type){case'auto':case'data':return getDefaultImageType();default:isImageTypeSupported(type);return type;}}var EXTENSIONS$1=['png','jpg','jpeg','gif','webp','bmp','ico','svg'];var MIME_TYPES=['image/png','image/jpeg','image/gif','image/webp','image/bmp','image/vnd.microsoft.icon','image/svg+xml'];var DEFAULT_IMAGE_LOADER_OPTIONS={image:{type:'auto',decode:true}};var ImageLoader={id:'image',module:'images',name:'Images',version:VERSION$2,mimeTypes:MIME_TYPES,extensions:EXTENSIONS$1,parse:parseImage,tests:[function(arrayBuffer){return Boolean(getBinaryImageMetadata(new DataView(arrayBuffer)));}],options:DEFAULT_IMAGE_LOADER_OPTIONS};var NODE_FORMAT_SUPPORT=['image/png','image/jpeg','image/gif'];var mimeTypeSupported={};function _isImageFormatSupported(mimeType){if(mimeTypeSupported[mimeType]===undefined){mimeTypeSupported[mimeType]=checkFormatSupport(mimeType);}return mimeTypeSupported[mimeType];}function checkFormatSupport(mimeType){switch(mimeType){case'image/webp':return checkWebPSupport();case'image/svg':return isBrowser$4;default:if(!isBrowser$4){var _parseImageNode2=globalThis._parseImageNode;return Boolean(_parseImageNode2)&&NODE_FORMAT_SUPPORT.includes(mimeType);}return true;}}function checkWebPSupport(){if(!isBrowser$4){return false;}try{var element=document.createElement('canvas');return element.toDataURL('image/webp').indexOf('data:image/webp')===0;}catch(_unused){return false;}}function assert$1(condition,message){if(!condition){throw new Error(message||'assert failed: gltf');}}function resolveUrl(url,options){var absolute=url.startsWith('data:')||url.startsWith('http:')||url.startsWith('https:');if(absolute){return url;}var baseUrl=options.baseUri||options.uri;if(!baseUrl){throw new Error("'baseUri' must be provided to resolve relative url ".concat(url));}return baseUrl.substr(0,baseUrl.lastIndexOf('/')+1)+url;}function getTypedArrayForBufferView(json,buffers,bufferViewIndex){var bufferView=json.bufferViews[bufferViewIndex];assert$1(bufferView);var bufferIndex=bufferView.buffer;var binChunk=buffers[bufferIndex];assert$1(binChunk);var byteOffset=(bufferView.byteOffset||0)+binChunk.byteOffset;return new Uint8Array(binChunk.arrayBuffer,byteOffset,bufferView.byteLength);}var TYPES=['SCALAR','VEC2','VEC3','VEC4'];var ARRAY_CONSTRUCTOR_TO_WEBGL_CONSTANT=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]];var ARRAY_TO_COMPONENT_TYPE=new Map(ARRAY_CONSTRUCTOR_TO_WEBGL_CONSTANT);var ATTRIBUTE_TYPE_TO_COMPONENTS={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16};var ATTRIBUTE_COMPONENT_TYPE_TO_BYTE_SIZE={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4};var ATTRIBUTE_COMPONENT_TYPE_TO_ARRAY={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function getAccessorTypeFromSize(size){var type=TYPES[size-1];return type||TYPES[0];}function getComponentTypeFromArray(typedArray){var componentType=ARRAY_TO_COMPONENT_TYPE.get(typedArray.constructor);if(!componentType){throw new Error('Illegal typed array');}return componentType;}function getAccessorArrayTypeAndLength(accessor,bufferView){var ArrayType=ATTRIBUTE_COMPONENT_TYPE_TO_ARRAY[accessor.componentType];var components=ATTRIBUTE_TYPE_TO_COMPONENTS[accessor.type];var bytesPerComponent=ATTRIBUTE_COMPONENT_TYPE_TO_BYTE_SIZE[accessor.componentType];var length=accessor.count*components;var byteLength=accessor.count*components*bytesPerComponent;assert$1(byteLength>=0&&byteLength<=bufferView.byteLength);return{ArrayType:ArrayType,length:length,byteLength:byteLength};}var DEFAULT_GLTF_JSON={asset:{version:'2.0',generator:'loaders.gl'},buffers:[]};var GLTFScenegraph=/*#__PURE__*/function(){function GLTFScenegraph(gltf){_classCallCheck(this,GLTFScenegraph);_defineProperty(this,"gltf",void 0);_defineProperty(this,"sourceBuffers",void 0);_defineProperty(this,"byteLength",void 0);this.gltf=gltf||{json:_objectSpread({},DEFAULT_GLTF_JSON),buffers:[]};this.sourceBuffers=[];this.byteLength=0;if(this.gltf.buffers&&this.gltf.buffers[0]){this.byteLength=this.gltf.buffers[0].byteLength;this.sourceBuffers=[this.gltf.buffers[0]];}}_createClass(GLTFScenegraph,[{key:"json",get:function get(){return this.gltf.json;}},{key:"getApplicationData",value:function getApplicationData(key){var data=this.json[key];return data;}},{key:"getExtraData",value:function getExtraData(key){var extras=this.json.extras||{};return extras[key];}},{key:"getExtension",value:function getExtension(extensionName){var isExtension=this.getUsedExtensions().find(function(name){return name===extensionName;});var extensions=this.json.extensions||{};return isExtension?extensions[extensionName]||true:null;}},{key:"getRequiredExtension",value:function getRequiredExtension(extensionName){var isRequired=this.getRequiredExtensions().find(function(name){return name===extensionName;});return isRequired?this.getExtension(extensionName):null;}},{key:"getRequiredExtensions",value:function getRequiredExtensions(){return this.json.extensionsRequired||[];}},{key:"getUsedExtensions",value:function getUsedExtensions(){return this.json.extensionsUsed||[];}},{key:"getObjectExtension",value:function getObjectExtension(object,extensionName){var extensions=object.extensions||{};return extensions[extensionName];}},{key:"getScene",value:function getScene(index){return this.getObject('scenes',index);}},{key:"getNode",value:function getNode(index){return this.getObject('nodes',index);}},{key:"getSkin",value:function getSkin(index){return this.getObject('skins',index);}},{key:"getMesh",value:function getMesh(index){return this.getObject('meshes',index);}},{key:"getMaterial",value:function getMaterial(index){return this.getObject('materials',index);}},{key:"getAccessor",value:function getAccessor(index){return this.getObject('accessors',index);}},{key:"getTexture",value:function getTexture(index){return this.getObject('textures',index);}},{key:"getSampler",value:function getSampler(index){return this.getObject('samplers',index);}},{key:"getImage",value:function getImage(index){return this.getObject('images',index);}},{key:"getBufferView",value:function getBufferView(index){return this.getObject('bufferViews',index);}},{key:"getBuffer",value:function getBuffer(index){return this.getObject('buffers',index);}},{key:"getObject",value:function getObject(array,index){if(_typeof(index)==='object'){return index;}var object=this.json[array]&&this.json[array][index];if(!object){throw new Error("glTF file error: Could not find ".concat(array,"[").concat(index,"]"));}return object;}},{key:"getTypedArrayForBufferView",value:function getTypedArrayForBufferView(bufferView){bufferView=this.getBufferView(bufferView);var bufferIndex=bufferView.buffer;var binChunk=this.gltf.buffers[bufferIndex];assert$1(binChunk);var byteOffset=(bufferView.byteOffset||0)+binChunk.byteOffset;return new Uint8Array(binChunk.arrayBuffer,byteOffset,bufferView.byteLength);}},{key:"getTypedArrayForAccessor",value:function getTypedArrayForAccessor(accessor){accessor=this.getAccessor(accessor);var bufferView=this.getBufferView(accessor.bufferView);var buffer=this.getBuffer(bufferView.buffer);var arrayBuffer=buffer.data;var _getAccessorArrayType=getAccessorArrayTypeAndLength(accessor,bufferView),ArrayType=_getAccessorArrayType.ArrayType,length=_getAccessorArrayType.length;var byteOffset=bufferView.byteOffset+accessor.byteOffset;return new ArrayType(arrayBuffer,byteOffset,length);}},{key:"getTypedArrayForImageData",value:function getTypedArrayForImageData(image){image=this.getAccessor(image);var bufferView=this.getBufferView(image.bufferView);var buffer=this.getBuffer(bufferView.buffer);var arrayBuffer=buffer.data;var byteOffset=bufferView.byteOffset||0;return new Uint8Array(arrayBuffer,byteOffset,bufferView.byteLength);}},{key:"addApplicationData",value:function addApplicationData(key,data){this.json[key]=data;return this;}},{key:"addExtraData",value:function addExtraData(key,data){this.json.extras=this.json.extras||{};this.json.extras[key]=data;return this;}},{key:"addObjectExtension",value:function addObjectExtension(object,extensionName,data){object.extensions=object.extensions||{};object.extensions[extensionName]=data;this.registerUsedExtension(extensionName);return this;}},{key:"setObjectExtension",value:function setObjectExtension(object,extensionName,data){var extensions=object.extensions||{};extensions[extensionName]=data;}},{key:"removeObjectExtension",value:function removeObjectExtension(object,extensionName){var extensions=object.extensions||{};var extension=extensions[extensionName];delete extensions[extensionName];return extension;}},{key:"addExtension",value:function addExtension(extensionName){var extensionData=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};assert$1(extensionData);this.json.extensions=this.json.extensions||{};this.json.extensions[extensionName]=extensionData;this.registerUsedExtension(extensionName);return extensionData;}},{key:"addRequiredExtension",value:function addRequiredExtension(extensionName){var extensionData=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};assert$1(extensionData);this.addExtension(extensionName,extensionData);this.registerRequiredExtension(extensionName);return extensionData;}},{key:"registerUsedExtension",value:function registerUsedExtension(extensionName){this.json.extensionsUsed=this.json.extensionsUsed||[];if(!this.json.extensionsUsed.find(function(ext){return ext===extensionName;})){this.json.extensionsUsed.push(extensionName);}}},{key:"registerRequiredExtension",value:function registerRequiredExtension(extensionName){this.registerUsedExtension(extensionName);this.json.extensionsRequired=this.json.extensionsRequired||[];if(!this.json.extensionsRequired.find(function(ext){return ext===extensionName;})){this.json.extensionsRequired.push(extensionName);}}},{key:"removeExtension",value:function removeExtension(extensionName){if(this.json.extensionsRequired){this._removeStringFromArray(this.json.extensionsRequired,extensionName);}if(this.json.extensionsUsed){this._removeStringFromArray(this.json.extensionsUsed,extensionName);}if(this.json.extensions){delete this.json.extensions[extensionName];}}},{key:"setDefaultScene",value:function setDefaultScene(sceneIndex){this.json.scene=sceneIndex;}},{key:"addScene",value:function addScene(scene){var nodeIndices=scene.nodeIndices;this.json.scenes=this.json.scenes||[];this.json.scenes.push({nodes:nodeIndices});return this.json.scenes.length-1;}},{key:"addNode",value:function addNode(node){var meshIndex=node.meshIndex,matrix=node.matrix;this.json.nodes=this.json.nodes||[];var nodeData={mesh:meshIndex};if(matrix){nodeData.matrix=matrix;}this.json.nodes.push(nodeData);return this.json.nodes.length-1;}},{key:"addMesh",value:function addMesh(mesh){var attributes=mesh.attributes,indices=mesh.indices,material=mesh.material,_mesh$mode=mesh.mode,mode=_mesh$mode===void 0?4:_mesh$mode;var accessors=this._addAttributes(attributes);var glTFMesh={primitives:[{attributes:accessors,mode:mode}]};if(indices){var indicesAccessor=this._addIndices(indices);glTFMesh.primitives[0].indices=indicesAccessor;}if(Number.isFinite(material)){glTFMesh.primitives[0].material=material;}this.json.meshes=this.json.meshes||[];this.json.meshes.push(glTFMesh);return this.json.meshes.length-1;}},{key:"addPointCloud",value:function addPointCloud(attributes){var accessorIndices=this._addAttributes(attributes);var glTFMesh={primitives:[{attributes:accessorIndices,mode:0}]};this.json.meshes=this.json.meshes||[];this.json.meshes.push(glTFMesh);return this.json.meshes.length-1;}},{key:"addImage",value:function addImage(imageData,mimeTypeOpt){var metadata=getBinaryImageMetadata(imageData);var mimeType=mimeTypeOpt||(metadata===null||metadata===void 0?void 0:metadata.mimeType);var bufferViewIndex=this.addBufferView(imageData);var glTFImage={bufferView:bufferViewIndex,mimeType:mimeType};this.json.images=this.json.images||[];this.json.images.push(glTFImage);return this.json.images.length-1;}},{key:"addBufferView",value:function addBufferView(buffer){var byteLength=buffer.byteLength;assert$1(Number.isFinite(byteLength));this.sourceBuffers=this.sourceBuffers||[];this.sourceBuffers.push(buffer);var glTFBufferView={buffer:0,byteOffset:this.byteLength,byteLength:byteLength};this.byteLength+=padToNBytes(byteLength,4);this.json.bufferViews=this.json.bufferViews||[];this.json.bufferViews.push(glTFBufferView);return this.json.bufferViews.length-1;}},{key:"addAccessor",value:function addAccessor(bufferViewIndex,accessor){var glTFAccessor={bufferView:bufferViewIndex,type:getAccessorTypeFromSize(accessor.size),componentType:accessor.componentType,count:accessor.count,max:accessor.max,min:accessor.min};this.json.accessors=this.json.accessors||[];this.json.accessors.push(glTFAccessor);return this.json.accessors.length-1;}},{key:"addBinaryBuffer",value:function addBinaryBuffer(sourceBuffer){var accessor=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{size:3};var bufferViewIndex=this.addBufferView(sourceBuffer);var minMax={min:accessor.min,max:accessor.max};if(!minMax.min||!minMax.max){minMax=this._getAccessorMinMax(sourceBuffer,accessor.size);}var accessorDefaults={size:accessor.size,componentType:getComponentTypeFromArray(sourceBuffer),count:Math.round(sourceBuffer.length/accessor.size),min:minMax.min,max:minMax.max};return this.addAccessor(bufferViewIndex,Object.assign(accessorDefaults,accessor));}},{key:"addTexture",value:function addTexture(texture){var imageIndex=texture.imageIndex;var glTFTexture={source:imageIndex};this.json.textures=this.json.textures||[];this.json.textures.push(glTFTexture);return this.json.textures.length-1;}},{key:"addMaterial",value:function addMaterial(pbrMaterialInfo){this.json.materials=this.json.materials||[];this.json.materials.push(pbrMaterialInfo);return this.json.materials.length-1;}},{key:"createBinaryChunk",value:function createBinaryChunk(){var _this$json,_this$json$buffers;this.gltf.buffers=[];var totalByteLength=this.byteLength;var arrayBuffer=new ArrayBuffer(totalByteLength);var targetArray=new Uint8Array(arrayBuffer);var dstByteOffset=0;var _iterator18=_createForOfIteratorHelper(this.sourceBuffers||[]),_step18;try{for(_iterator18.s();!(_step18=_iterator18.n()).done;){var sourceBuffer=_step18.value;dstByteOffset=copyToArray(sourceBuffer,targetArray,dstByteOffset);}}catch(err){_iterator18.e(err);}finally{_iterator18.f();}if((_this$json=this.json)!==null&&_this$json!==void 0&&(_this$json$buffers=_this$json.buffers)!==null&&_this$json$buffers!==void 0&&_this$json$buffers[0]){this.json.buffers[0].byteLength=totalByteLength;}else{this.json.buffers=[{byteLength:totalByteLength}];}this.gltf.binary=arrayBuffer;this.sourceBuffers=[arrayBuffer];}},{key:"_removeStringFromArray",value:function _removeStringFromArray(array,string){var found=true;while(found){var index=array.indexOf(string);if(index>-1){array.splice(index,1);}else{found=false;}}}},{key:"_addAttributes",value:function _addAttributes(){var attributes=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};var result={};for(var attributeKey in attributes){var attributeData=attributes[attributeKey];var attrName=this._getGltfAttributeName(attributeKey);var accessor=this.addBinaryBuffer(attributeData.value,attributeData);result[attrName]=accessor;}return result;}},{key:"_addIndices",value:function _addIndices(indices){return this.addBinaryBuffer(indices,{size:1});}},{key:"_getGltfAttributeName",value:function _getGltfAttributeName(attributeName){switch(attributeName.toLowerCase()){case'position':case'positions':case'vertices':return'POSITION';case'normal':case'normals':return'NORMAL';case'color':case'colors':return'COLOR_0';case'texcoord':case'texcoords':return'TEXCOORD_0';default:return attributeName;}}},{key:"_getAccessorMinMax",value:function _getAccessorMinMax(buffer,size){var result={min:null,max:null};if(buffer.length<size){return result;}result.min=[];result.max=[];var initValues=buffer.subarray(0,size);var _iterator19=_createForOfIteratorHelper(initValues),_step19;try{for(_iterator19.s();!(_step19=_iterator19.n()).done;){var value=_step19.value;result.min.push(value);result.max.push(value);}}catch(err){_iterator19.e(err);}finally{_iterator19.f();}for(var index=size;index<buffer.length;index+=size){for(var componentIndex=0;componentIndex<size;componentIndex++){result.min[0+componentIndex]=Math.min(result.min[0+componentIndex],buffer[index+componentIndex]);result.max[0+componentIndex]=Math.max(result.max[0+componentIndex],buffer[index+componentIndex]);}}return result;}}]);return GLTFScenegraph;}();var 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';var 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';var detector=new Uint8Array([0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,3,2,0,0,5,3,1,0,1,12,1,0,10,22,2,12,0,65,0,65,0,65,0,252,10,0,0,11,7,0,65,0,253,15,26,11]);var wasmpack=new Uint8Array([32,0,65,253,3,1,2,34,4,106,6,5,11,8,7,20,13,33,12,16,128,9,116,64,19,113,127,15,10,21,22,14,255,66,24,54,136,107,18,23,192,26,114,118,132,17,77,101,130,144,27,87,131,44,45,74,156,154,70,167]);var FILTERS={0:'',1:'meshopt_decodeFilterOct',2:'meshopt_decodeFilterQuat',3:'meshopt_decodeFilterExp',NONE:'',OCTAHEDRAL:'meshopt_decodeFilterOct',QUATERNION:'meshopt_decodeFilterQuat',EXPONENTIAL:'meshopt_decodeFilterExp'};var DECODERS={0:'meshopt_decodeVertexBuffer',1:'meshopt_decodeIndexBuffer',2:'meshopt_decodeIndexSequence',ATTRIBUTES:'meshopt_decodeVertexBuffer',TRIANGLES:'meshopt_decodeIndexBuffer',INDICES:'meshopt_decodeIndexSequence'};function meshoptDecodeGltfBuffer(_x59,_x60,_x61,_x62,_x63){return _meshoptDecodeGltfBuffer.apply(this,arguments);}function _meshoptDecodeGltfBuffer(){_meshoptDecodeGltfBuffer=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee33(target,count,size,source,mode){var filter,instance,_args31=arguments;return _regeneratorRuntime().wrap(function _callee33$(_context37){while(1){switch(_context37.prev=_context37.next){case 0:filter=_args31.length>5&&_args31[5]!==undefined?_args31[5]:'NONE';_context37.next=3;return loadWasmInstance();case 3:instance=_context37.sent;decode$5(instance,instance.exports[DECODERS[mode]],target,count,size,source,instance.exports[FILTERS[filter||'NONE']]);case 5:case"end":return _context37.stop();}}},_callee33);}));return _meshoptDecodeGltfBuffer.apply(this,arguments);}var wasmPromise;function loadWasmInstance(){return _loadWasmInstance.apply(this,arguments);}function _loadWasmInstance(){_loadWasmInstance=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee34(){return _regeneratorRuntime().wrap(function 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EXT_MESHOPT_COMPRESSION='EXT_meshopt_compression';var name$6=EXT_MESHOPT_COMPRESSION;function decode$4(_x64,_x65){return _decode$.apply(this,arguments);}function _decode$(){_decode$=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee36(gltfData,options){var _options$gltf,scenegraph,promises,_iterator49,_step49,bufferViewIndex;return _regeneratorRuntime().wrap(function _callee36$(_context40){while(1){switch(_context40.prev=_context40.next){case 0:scenegraph=new GLTFScenegraph(gltfData);if(options!==null&&options!==void 0&&(_options$gltf=options.gltf)!==null&&_options$gltf!==void 0&&_options$gltf.decompressMeshes){_context40.next=3;break;}return _context40.abrupt("return");case 3:promises=[];_iterator49=_createForOfIteratorHelper(gltfData.json.bufferViews||[]);try{for(_iterator49.s();!(_step49=_iterator49.n()).done;){bufferViewIndex=_step49.value;promises.push(decodeMeshoptBufferView(scenegraph,bufferViewIndex));}}catch(err){_iterator49.e(err);}finally{_iterator49.f();}_context40.next=8;return Promise.all(promises);case 8:scenegraph.removeExtension(EXT_MESHOPT_COMPRESSION);case 9:case"end":return _context40.stop();}}},_callee36);}));return _decode$.apply(this,arguments);}function decodeMeshoptBufferView(_x66,_x67){return _decodeMeshoptBufferView.apply(this,arguments);}function _decodeMeshoptBufferView(){_decodeMeshoptBufferView=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee37(scenegraph,bufferView){var meshoptExtension,_meshoptExtension$byt,byteOffset,_meshoptExtension$byt2,byteLength,byteStride,count,mode,_meshoptExtension$fil,filter,bufferIndex,buffer,source,result;return _regeneratorRuntime().wrap(function _callee37$(_context41){while(1){switch(_context41.prev=_context41.next){case 0:meshoptExtension=scenegraph.getObjectExtension(bufferView,EXT_MESHOPT_COMPRESSION);if(!meshoptExtension){_context41.next=9;break;}_meshoptExtension$byt=meshoptExtension.byteOffset,byteOffset=_meshoptExtension$byt===void 0?0:_meshoptExtension$byt,_meshoptExtension$byt2=meshoptExtension.byteLength,byteLength=_meshoptExtension$byt2===void 0?0:_meshoptExtension$byt2,byteStride=meshoptExtension.byteStride,count=meshoptExtension.count,mode=meshoptExtension.mode,_meshoptExtension$fil=meshoptExtension.filter,filter=_meshoptExtension$fil===void 0?'NONE':_meshoptExtension$fil,bufferIndex=meshoptExtension.buffer;buffer=scenegraph.gltf.buffers[bufferIndex];source=new Uint8Array(buffer.arrayBuffer,buffer.byteOffset+byteOffset,byteLength);result=new Uint8Array(scenegraph.gltf.buffers[bufferView.buffer].arrayBuffer,bufferView.byteOffset,bufferView.byteLength);_context41.next=8;return meshoptDecodeGltfBuffer(result,count,byteStride,source,mode,filter);case 8:return _context41.abrupt("return",result);case 9:return _context41.abrupt("return",null);case 10:case"end":return _context41.stop();}}},_callee37);}));return _decodeMeshoptBufferView.apply(this,arguments);}var EXT_meshopt_compression=/*#__PURE__*/Object.freeze({__proto__:null,name:name$6,decode:decode$4});var EXT_TEXTURE_WEBP='EXT_texture_webp';var name$5=EXT_TEXTURE_WEBP;function preprocess$3(gltfData,options){var scenegraph=new GLTFScenegraph(gltfData);if(!_isImageFormatSupported('image/webp')){if(scenegraph.getRequiredExtensions().includes(EXT_TEXTURE_WEBP)){throw new Error("gltf: Required extension ".concat(EXT_TEXTURE_WEBP," not supported by browser"));}return;}var json=scenegraph.json;var _iterator20=_createForOfIteratorHelper(json.textures||[]),_step20;try{for(_iterator20.s();!(_step20=_iterator20.n()).done;){var texture=_step20.value;var extension=scenegraph.getObjectExtension(texture,EXT_TEXTURE_WEBP);if(extension){texture.source=extension.source;}scenegraph.removeObjectExtension(texture,EXT_TEXTURE_WEBP);}}catch(err){_iterator20.e(err);}finally{_iterator20.f();}scenegraph.removeExtension(EXT_TEXTURE_WEBP);}var EXT_texture_webp=/*#__PURE__*/Object.freeze({__proto__:null,name:name$5,preprocess:preprocess$3});var KHR_TEXTURE_BASISU='KHR_texture_basisu';var name$4=KHR_TEXTURE_BASISU;function preprocess$2(gltfData,options){var scene=new GLTFScenegraph(gltfData);var json=scene.json;var _iterator21=_createForOfIteratorHelper(json.textures||[]),_step21;try{for(_iterator21.s();!(_step21=_iterator21.n()).done;){var texture=_step21.value;var extension=scene.getObjectExtension(texture,KHR_TEXTURE_BASISU);if(extension){texture.source=extension.source;}scene.removeObjectExtension(texture,KHR_TEXTURE_BASISU);}}catch(err){_iterator21.e(err);}finally{_iterator21.f();}scene.removeExtension(KHR_TEXTURE_BASISU);}var KHR_texture_basisu=/*#__PURE__*/Object.freeze({__proto__:null,name:name$4,preprocess:preprocess$2});var VERSION$1="3.2.6";var DEFAULT_DRACO_OPTIONS={draco:{decoderType:(typeof WebAssembly==="undefined"?"undefined":_typeof(WebAssembly))==='object'?'wasm':'js',libraryPath:'libs/',extraAttributes:{},attributeNameEntry:undefined}};var DracoLoader$1={name:'Draco',id:'draco',module:'draco',shapes:['mesh'],version:VERSION$1,worker:true,extensions:['drc'],mimeTypes:['application/octet-stream'],binary:true,tests:['DRACO'],options:DEFAULT_DRACO_OPTIONS};function getMeshBoundingBox(attributes){var minX=Infinity;var minY=Infinity;var minZ=Infinity;var maxX=-Infinity;var maxY=-Infinity;var maxZ=-Infinity;var positions=attributes.POSITION?attributes.POSITION.value:[];var len=positions&&positions.length;for(var _i517=0;_i517<len;_i517+=3){var x=positions[_i517];var y=positions[_i517+1];var _z4=positions[_i517+2];minX=x<minX?x:minX;minY=y<minY?y:minY;minZ=_z4<minZ?_z4:minZ;maxX=x>maxX?x:maxX;maxY=y>maxY?y:maxY;maxZ=_z4>maxZ?_z4:maxZ;}return[[minX,minY,minZ],[maxX,maxY,maxZ]];}function assert(condition,message){if(!condition){throw new Error(message||'loader assertion failed.');}}var Schema=/*#__PURE__*/function(){function Schema(fields,metadata){_classCallCheck(this,Schema);_defineProperty(this,"fields",void 0);_defineProperty(this,"metadata",void 0);assert(Array.isArray(fields));checkNames(fields);this.fields=fields;this.metadata=metadata||new Map();}_createClass(Schema,[{key:"compareTo",value:function compareTo(other){if(this.metadata!==other.metadata){return false;}if(this.fields.length!==other.fields.length){return false;}for(var _i518=0;_i518<this.fields.length;++_i518){if(!this.fields[_i518].compareTo(other.fields[_i518])){return false;}}return true;}},{key:"select",value:function select(){var nameMap=Object.create(null);for(var _len106=arguments.length,columnNames=new Array(_len106),_key11=0;_key11<_len106;_key11++){columnNames[_key11]=arguments[_key11];}for(var _i519=0,_columnNames=columnNames;_i519<_columnNames.length;_i519++){var _name6=_columnNames[_i519];nameMap[_name6]=true;}var selectedFields=this.fields.filter(function(field){return nameMap[field.name];});return new Schema(selectedFields,this.metadata);}},{key:"selectAt",value:function selectAt(){var _this124=this;for(var _len107=arguments.length,columnIndices=new Array(_len107),_key12=0;_key12<_len107;_key12++){columnIndices[_key12]=arguments[_key12];}var selectedFields=columnIndices.map(function(index){return _this124.fields[index];}).filter(Boolean);return new Schema(selectedFields,this.metadata);}},{key:"assign",value:function assign(schemaOrFields){var fields;var metadata=this.metadata;if(schemaOrFields instanceof Schema){var otherSchema=schemaOrFields;fields=otherSchema.fields;metadata=mergeMaps(mergeMaps(new Map(),this.metadata),otherSchema.metadata);}else{fields=schemaOrFields;}var fieldMap=Object.create(null);var _iterator22=_createForOfIteratorHelper(this.fields),_step22;try{for(_iterator22.s();!(_step22=_iterator22.n()).done;){var field=_step22.value;fieldMap[field.name]=field;}}catch(err){_iterator22.e(err);}finally{_iterator22.f();}var _iterator23=_createForOfIteratorHelper(fields),_step23;try{for(_iterator23.s();!(_step23=_iterator23.n()).done;){var _field=_step23.value;fieldMap[_field.name]=_field;}}catch(err){_iterator23.e(err);}finally{_iterator23.f();}var mergedFields=Object.values(fieldMap);return new Schema(mergedFields,metadata);}}]);return Schema;}();function checkNames(fields){var usedNames={};var _iterator24=_createForOfIteratorHelper(fields),_step24;try{for(_iterator24.s();!(_step24=_iterator24.n()).done;){var field=_step24.value;if(usedNames[field.name]){console.warn('Schema: duplicated field name',field.name,field);}usedNames[field.name]=true;}}catch(err){_iterator24.e(err);}finally{_iterator24.f();}}function mergeMaps(m1,m2){return new Map([].concat(_toConsumableArray(m1||new Map()),_toConsumableArray(m2||new Map())));}var Field=/*#__PURE__*/function(){function Field(name,type){var nullable=arguments.length>2&&arguments[2]!==undefined?arguments[2]:false;var metadata=arguments.length>3&&arguments[3]!==undefined?arguments[3]:new Map();_classCallCheck(this,Field);_defineProperty(this,"name",void 0);_defineProperty(this,"type",void 0);_defineProperty(this,"nullable",void 0);_defineProperty(this,"metadata",void 0);this.name=name;this.type=type;this.nullable=nullable;this.metadata=metadata;}_createClass(Field,[{key:"typeId",get:function get(){return this.type&&this.type.typeId;}},{key:"clone",value:function clone(){return new Field(this.name,this.type,this.nullable,this.metadata);}},{key:"compareTo",value:function compareTo(other){return this.name===other.name&&this.type===other.type&&this.nullable===other.nullable&&this.metadata===other.metadata;}},{key:"toString",value:function toString(){return"".concat(this.type).concat(this.nullable?', nullable':'').concat(this.metadata?", metadata: ".concat(this.metadata):'');}}]);return Field;}();var Type;(function(Type){Type[Type["NONE"]=0]="NONE";Type[Type["Null"]=1]="Null";Type[Type["Int"]=2]="Int";Type[Type["Float"]=3]="Float";Type[Type["Binary"]=4]="Binary";Type[Type["Utf8"]=5]="Utf8";Type[Type["Bool"]=6]="Bool";Type[Type["Decimal"]=7]="Decimal";Type[Type["Date"]=8]="Date";Type[Type["Time"]=9]="Time";Type[Type["Timestamp"]=10]="Timestamp";Type[Type["Interval"]=11]="Interval";Type[Type["List"]=12]="List";Type[Type["Struct"]=13]="Struct";Type[Type["Union"]=14]="Union";Type[Type["FixedSizeBinary"]=15]="FixedSizeBinary";Type[Type["FixedSizeList"]=16]="FixedSizeList";Type[Type["Map"]=17]="Map";Type[Type["Dictionary"]=-1]="Dictionary";Type[Type["Int8"]=-2]="Int8";Type[Type["Int16"]=-3]="Int16";Type[Type["Int32"]=-4]="Int32";Type[Type["Int64"]=-5]="Int64";Type[Type["Uint8"]=-6]="Uint8";Type[Type["Uint16"]=-7]="Uint16";Type[Type["Uint32"]=-8]="Uint32";Type[Type["Uint64"]=-9]="Uint64";Type[Type["Float16"]=-10]="Float16";Type[Type["Float32"]=-11]="Float32";Type[Type["Float64"]=-12]="Float64";Type[Type["DateDay"]=-13]="DateDay";Type[Type["DateMillisecond"]=-14]="DateMillisecond";Type[Type["TimestampSecond"]=-15]="TimestampSecond";Type[Type["TimestampMillisecond"]=-16]="TimestampMillisecond";Type[Type["TimestampMicrosecond"]=-17]="TimestampMicrosecond";Type[Type["TimestampNanosecond"]=-18]="TimestampNanosecond";Type[Type["TimeSecond"]=-19]="TimeSecond";Type[Type["TimeMillisecond"]=-20]="TimeMillisecond";Type[Type["TimeMicrosecond"]=-21]="TimeMicrosecond";Type[Type["TimeNanosecond"]=-22]="TimeNanosecond";Type[Type["DenseUnion"]=-23]="DenseUnion";Type[Type["SparseUnion"]=-24]="SparseUnion";Type[Type["IntervalDayTime"]=-25]="IntervalDayTime";Type[Type["IntervalYearMonth"]=-26]="IntervalYearMonth";})(Type||(Type={}));var 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x&&x.typeId===Type.Time;}},{key:"isTimestamp",value:function isTimestamp(x){return x&&x.typeId===Type.Timestamp;}},{key:"isInterval",value:function isInterval(x){return x&&x.typeId===Type.Interval;}},{key:"isList",value:function isList(x){return x&&x.typeId===Type.List;}},{key:"isStruct",value:function isStruct(x){return x&&x.typeId===Type.Struct;}},{key:"isUnion",value:function isUnion(x){return x&&x.typeId===Type.Union;}},{key:"isFixedSizeBinary",value:function isFixedSizeBinary(x){return x&&x.typeId===Type.FixedSizeBinary;}},{key:"isFixedSizeList",value:function isFixedSizeList(x){return x&&x.typeId===Type.FixedSizeList;}},{key:"isMap",value:function isMap(x){return x&&x.typeId===Type.Map;}},{key:"isDictionary",value:function isDictionary(x){return x&&x.typeId===Type.Dictionary;}}]);return DataType;}();_Symbol$toStringTag=Symbol.toStringTag;var Int=/*#__PURE__*/function(_DataType,_Symbol$toStringTag3){_inherits(Int,_DataType);var _super147=_createSuper(Int);function 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Float=/*#__PURE__*/function(_DataType2,_Symbol$toStringTag4){_inherits(Float,_DataType2);var _super154=_createSuper(Float);function Float(precision){var _this126;_classCallCheck(this,Float);_this126=_super154.call(this);_defineProperty(_assertThisInitialized(_this126),"precision",void 0);_this126.precision=precision;return _this126;}_createClass(Float,[{key:"typeId",get:function get(){return Type.Float;}},{key:_Symbol$toStringTag4,get:function get(){return'Float';}},{key:"toString",value:function toString(){return"Float".concat(this.precision);}}]);return Float;}(DataType,_Symbol$toStringTag2);var Float32=/*#__PURE__*/function(_Float){_inherits(Float32,_Float);var _super155=_createSuper(Float32);function Float32(){_classCallCheck(this,Float32);return _super155.call(this,Precision.SINGLE);}return _createClass(Float32);}(Float);var Float64=/*#__PURE__*/function(_Float2){_inherits(Float64,_Float2);var _super156=_createSuper(Float64);function Float64(){_classCallCheck(this,Float64);return _super156.call(this,Precision.DOUBLE);}return _createClass(Float64);}(Float);_Symbol$toStringTag7=Symbol.toStringTag;var FixedSizeList=/*#__PURE__*/function(_DataType3,_Symbol$toStringTag5){_inherits(FixedSizeList,_DataType3);var _super157=_createSuper(FixedSizeList);function FixedSizeList(listSize,child){var _this127;_classCallCheck(this,FixedSizeList);_this127=_super157.call(this);_defineProperty(_assertThisInitialized(_this127),"listSize",void 0);_defineProperty(_assertThisInitialized(_this127),"children",void 0);_this127.listSize=listSize;_this127.children=[child];return _this127;}_createClass(FixedSizeList,[{key:"typeId",get:function get(){return Type.FixedSizeList;}},{key:"valueType",get:function get(){return this.children[0].type;}},{key:"valueField",get:function get(){return this.children[0];}},{key:_Symbol$toStringTag5,get:function get(){return'FixedSizeList';}},{key:"toString",value:function toString(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">");}}]);return FixedSizeList;}(DataType,_Symbol$toStringTag7);function getArrowTypeFromTypedArray(array){switch(array.constructor){case Int8Array:return new Int8();case Uint8Array:return new Uint8();case Int16Array:return new Int16();case Uint16Array:return new Uint16();case Int32Array:return new Int32();case Uint32Array:return new Uint32();case Float32Array:return new Float32();case Float64Array:return new Float64();default:throw new Error('array type not supported');}}function deduceMeshField(attributeName,attribute,optionalMetadata){var type=getArrowTypeFromTypedArray(attribute.value);var metadata=optionalMetadata?optionalMetadata:makeMeshAttributeMetadata(attribute);var field=new Field(attributeName,new FixedSizeList(attribute.size,new Field('value',type)),false,metadata);return field;}function makeMeshAttributeMetadata(attribute){var result=new Map();if('byteOffset'in attribute){result.set('byteOffset',attribute.byteOffset.toString(10));}if('byteStride'in attribute){result.set('byteStride',attribute.byteStride.toString(10));}if('normalized'in attribute){result.set('normalized',attribute.normalized.toString());}return result;}function getDracoSchema(attributes,loaderData,indices){var metadataMap=makeMetadata(loaderData.metadata);var fields=[];var namedLoaderDataAttributes=transformAttributesLoaderData(loaderData.attributes);for(var attributeName in attributes){var attribute=attributes[attributeName];var field=getArrowFieldFromAttribute(attributeName,attribute,namedLoaderDataAttributes[attributeName]);fields.push(field);}if(indices){var indicesField=getArrowFieldFromAttribute('indices',indices);fields.push(indicesField);}return new Schema(fields,metadataMap);}function transformAttributesLoaderData(loaderData){var result={};for(var key in loaderData){var dracoAttribute=loaderData[key];result[dracoAttribute.name||'undefined']=dracoAttribute;}return result;}function getArrowFieldFromAttribute(attributeName,attribute,loaderData){var metadataMap=loaderData?makeMetadata(loaderData.metadata):undefined;var field=deduceMeshField(attributeName,attribute,metadataMap);return field;}function makeMetadata(metadata){var metadataMap=new Map();for(var key in metadata){metadataMap.set("".concat(key,".string"),JSON.stringify(metadata[key]));}return metadataMap;}var DRACO_TO_GLTF_ATTRIBUTE_NAME_MAP={POSITION:'POSITION',NORMAL:'NORMAL',COLOR:'COLOR_0',TEX_COORD:'TEXCOORD_0'};var DRACO_DATA_TYPE_TO_TYPED_ARRAY_MAP={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};var INDEX_ITEM_SIZE=4;var DracoParser=/*#__PURE__*/function(){function DracoParser(draco){_classCallCheck(this,DracoParser);_defineProperty(this,"draco",void 0);_defineProperty(this,"decoder",void 0);_defineProperty(this,"metadataQuerier",void 0);this.draco=draco;this.decoder=new this.draco.Decoder();this.metadataQuerier=new this.draco.MetadataQuerier();}_createClass(DracoParser,[{key:"destroy",value:function destroy(){this.draco.destroy(this.decoder);this.draco.destroy(this.metadataQuerier);}},{key:"parseSync",value:function parseSync(arrayBuffer){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var buffer=new this.draco.DecoderBuffer();buffer.Init(new Int8Array(arrayBuffer),arrayBuffer.byteLength);this._disableAttributeTransforms(options);var geometry_type=this.decoder.GetEncodedGeometryType(buffer);var dracoGeometry=geometry_type===this.draco.TRIANGULAR_MESH?new this.draco.Mesh():new this.draco.PointCloud();try{var dracoStatus;switch(geometry_type){case this.draco.TRIANGULAR_MESH:dracoStatus=this.decoder.DecodeBufferToMesh(buffer,dracoGeometry);break;case this.draco.POINT_CLOUD:dracoStatus=this.decoder.DecodeBufferToPointCloud(buffer,dracoGeometry);break;default:throw new Error('DRACO: Unknown geometry type.');}if(!dracoStatus.ok()||!dracoGeometry.ptr){var message="DRACO decompression failed: ".concat(dracoStatus.error_msg());throw new Error(message);}var loaderData=this._getDracoLoaderData(dracoGeometry,geometry_type,options);var geometry=this._getMeshData(dracoGeometry,loaderData,options);var boundingBox=getMeshBoundingBox(geometry.attributes);var schema=getDracoSchema(geometry.attributes,loaderData,geometry.indices);var data=_objectSpread(_objectSpread({loader:'draco',loaderData:loaderData,header:{vertexCount:dracoGeometry.num_points(),boundingBox:boundingBox}},geometry),{},{schema:schema});return data;}finally{this.draco.destroy(buffer);if(dracoGeometry){this.draco.destroy(dracoGeometry);}}}},{key:"_getDracoLoaderData",value:function _getDracoLoaderData(dracoGeometry,geometry_type,options){var metadata=this._getTopLevelMetadata(dracoGeometry);var attributes=this._getDracoAttributes(dracoGeometry,options);return{geometry_type:geometry_type,num_attributes:dracoGeometry.num_attributes(),num_points:dracoGeometry.num_points(),num_faces:dracoGeometry instanceof this.draco.Mesh?dracoGeometry.num_faces():0,metadata:metadata,attributes:attributes};}},{key:"_getDracoAttributes",value:function _getDracoAttributes(dracoGeometry,options){var dracoAttributes={};for(var attributeId=0;attributeId<dracoGeometry.num_attributes();attributeId++){var dracoAttribute=this.decoder.GetAttribute(dracoGeometry,attributeId);var metadata=this._getAttributeMetadata(dracoGeometry,attributeId);dracoAttributes[dracoAttribute.unique_id()]={unique_id:dracoAttribute.unique_id(),attribute_type:dracoAttribute.attribute_type(),data_type:dracoAttribute.data_type(),num_components:dracoAttribute.num_components(),byte_offset:dracoAttribute.byte_offset(),byte_stride:dracoAttribute.byte_stride(),normalized:dracoAttribute.normalized(),attribute_index:attributeId,metadata:metadata};var quantization=this._getQuantizationTransform(dracoAttribute,options);if(quantization){dracoAttributes[dracoAttribute.unique_id()].quantization_transform=quantization;}var octahedron=this._getOctahedronTransform(dracoAttribute,options);if(octahedron){dracoAttributes[dracoAttribute.unique_id()].octahedron_transform=octahedron;}}return dracoAttributes;}},{key:"_getMeshData",value:function _getMeshData(dracoGeometry,loaderData,options){var attributes=this._getMeshAttributes(loaderData,dracoGeometry,options);var positionAttribute=attributes.POSITION;if(!positionAttribute){throw new Error('DRACO: No position attribute found.');}if(dracoGeometry instanceof this.draco.Mesh){switch(options.topology){case'triangle-strip':return{topology:'triangle-strip',mode:4,attributes:attributes,indices:{value:this._getTriangleStripIndices(dracoGeometry),size:1}};case'triangle-list':default:return{topology:'triangle-list',mode:5,attributes:attributes,indices:{value:this._getTriangleListIndices(dracoGeometry),size:1}};}}return{topology:'point-list',mode:0,attributes:attributes};}},{key:"_getMeshAttributes",value:function _getMeshAttributes(loaderData,dracoGeometry,options){var attributes={};for(var _i520=0,_Object$values=Object.values(loaderData.attributes);_i520<_Object$values.length;_i520++){var loaderAttribute=_Object$values[_i520];var attributeName=this._deduceAttributeName(loaderAttribute,options);loaderAttribute.name=attributeName;var _this$_getAttributeVa=this._getAttributeValues(dracoGeometry,loaderAttribute),value=_this$_getAttributeVa.value,size=_this$_getAttributeVa.size;attributes[attributeName]={value:value,size:size,byteOffset:loaderAttribute.byte_offset,byteStride:loaderAttribute.byte_stride,normalized:loaderAttribute.normalized};}return attributes;}},{key:"_getTriangleListIndices",value:function _getTriangleListIndices(dracoGeometry){var numFaces=dracoGeometry.num_faces();var numIndices=numFaces*3;var byteLength=numIndices*INDEX_ITEM_SIZE;var ptr=this.draco._malloc(byteLength);try{this.decoder.GetTrianglesUInt32Array(dracoGeometry,byteLength,ptr);return new Uint32Array(this.draco.HEAPF32.buffer,ptr,numIndices).slice();}finally{this.draco._free(ptr);}}},{key:"_getTriangleStripIndices",value:function _getTriangleStripIndices(dracoGeometry){var dracoArray=new this.draco.DracoInt32Array();try{this.decoder.GetTriangleStripsFromMesh(dracoGeometry,dracoArray);return getUint32Array(dracoArray);}finally{this.draco.destroy(dracoArray);}}},{key:"_getAttributeValues",value:function _getAttributeValues(dracoGeometry,attribute){var TypedArrayCtor=DRACO_DATA_TYPE_TO_TYPED_ARRAY_MAP[attribute.data_type];var numComponents=attribute.num_components;var numPoints=dracoGeometry.num_points();var numValues=numPoints*numComponents;var byteLength=numValues*TypedArrayCtor.BYTES_PER_ELEMENT;var dataType=getDracoDataType(this.draco,TypedArrayCtor);var value;var ptr=this.draco._malloc(byteLength);try{var dracoAttribute=this.decoder.GetAttribute(dracoGeometry,attribute.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(dracoGeometry,dracoAttribute,dataType,byteLength,ptr);value=new TypedArrayCtor(this.draco.HEAPF32.buffer,ptr,numValues).slice();}finally{this.draco._free(ptr);}return{value:value,size:numComponents};}},{key:"_deduceAttributeName",value:function _deduceAttributeName(attribute,options){var uniqueId=attribute.unique_id;for(var _i521=0,_Object$entries4=Object.entries(options.extraAttributes||{});_i521<_Object$entries4.length;_i521++){var _Object$entries4$_i=_slicedToArray(_Object$entries4[_i521],2),attributeName=_Object$entries4$_i[0],attributeUniqueId=_Object$entries4$_i[1];if(attributeUniqueId===uniqueId){return attributeName;}}var thisAttributeType=attribute.attribute_type;for(var dracoAttributeConstant in DRACO_TO_GLTF_ATTRIBUTE_NAME_MAP){var attributeType=this.draco[dracoAttributeConstant];if(attributeType===thisAttributeType){return DRACO_TO_GLTF_ATTRIBUTE_NAME_MAP[dracoAttributeConstant];}}var entryName=options.attributeNameEntry||'name';if(attribute.metadata[entryName]){return attribute.metadata[entryName].string;}return"CUSTOM_ATTRIBUTE_".concat(uniqueId);}},{key:"_getTopLevelMetadata",value:function _getTopLevelMetadata(dracoGeometry){var dracoMetadata=this.decoder.GetMetadata(dracoGeometry);return this._getDracoMetadata(dracoMetadata);}},{key:"_getAttributeMetadata",value:function _getAttributeMetadata(dracoGeometry,attributeId){var dracoMetadata=this.decoder.GetAttributeMetadata(dracoGeometry,attributeId);return this._getDracoMetadata(dracoMetadata);}},{key:"_getDracoMetadata",value:function _getDracoMetadata(dracoMetadata){if(!dracoMetadata||!dracoMetadata.ptr){return{};}var result={};var numEntries=this.metadataQuerier.NumEntries(dracoMetadata);for(var entryIndex=0;entryIndex<numEntries;entryIndex++){var entryName=this.metadataQuerier.GetEntryName(dracoMetadata,entryIndex);result[entryName]=this._getDracoMetadataField(dracoMetadata,entryName);}return result;}},{key:"_getDracoMetadataField",value:function _getDracoMetadataField(dracoMetadata,entryName){var dracoArray=new this.draco.DracoInt32Array();try{this.metadataQuerier.GetIntEntryArray(dracoMetadata,entryName,dracoArray);var intArray=getInt32Array(dracoArray);return{"int":this.metadataQuerier.GetIntEntry(dracoMetadata,entryName),string:this.metadataQuerier.GetStringEntry(dracoMetadata,entryName),"double":this.metadataQuerier.GetDoubleEntry(dracoMetadata,entryName),intArray:intArray};}finally{this.draco.destroy(dracoArray);}}},{key:"_disableAttributeTransforms",value:function _disableAttributeTransforms(options){var _options$quantizedAtt=options.quantizedAttributes,quantizedAttributes=_options$quantizedAtt===void 0?[]:_options$quantizedAtt,_options$octahedronAt=options.octahedronAttributes,octahedronAttributes=_options$octahedronAt===void 0?[]:_options$octahedronAt;var skipAttributes=[].concat(_toConsumableArray(quantizedAttributes),_toConsumableArray(octahedronAttributes));var _iterator25=_createForOfIteratorHelper(skipAttributes),_step25;try{for(_iterator25.s();!(_step25=_iterator25.n()).done;){var dracoAttributeName=_step25.value;this.decoder.SkipAttributeTransform(this.draco[dracoAttributeName]);}}catch(err){_iterator25.e(err);}finally{_iterator25.f();}}},{key:"_getQuantizationTransform",value:function _getQuantizationTransform(dracoAttribute,options){var _this128=this;var _options$quantizedAtt2=options.quantizedAttributes,quantizedAttributes=_options$quantizedAtt2===void 0?[]:_options$quantizedAtt2;var attribute_type=dracoAttribute.attribute_type();var skip=quantizedAttributes.map(function(type){return _this128.decoder[type];}).includes(attribute_type);if(skip){var _transform2=new this.draco.AttributeQuantizationTransform();try{if(_transform2.InitFromAttribute(dracoAttribute)){return{quantization_bits:_transform2.quantization_bits(),range:_transform2.range(),min_values:new Float32Array([1,2,3]).map(function(i){return _transform2.min_value(i);})};}}finally{this.draco.destroy(_transform2);}}return null;}},{key:"_getOctahedronTransform",value:function _getOctahedronTransform(dracoAttribute,options){var _this129=this;var _options$octahedronAt2=options.octahedronAttributes,octahedronAttributes=_options$octahedronAt2===void 0?[]:_options$octahedronAt2;var attribute_type=dracoAttribute.attribute_type();var octahedron=octahedronAttributes.map(function(type){return _this129.decoder[type];}).includes(attribute_type);if(octahedron){var _transform3=new this.draco.AttributeQuantizationTransform();try{if(_transform3.InitFromAttribute(dracoAttribute)){return{quantization_bits:_transform3.quantization_bits()};}}finally{this.draco.destroy(_transform3);}}return null;}}]);return DracoParser;}();function getDracoDataType(draco,attributeType){switch(attributeType){case Float32Array:return draco.DT_FLOAT32;case Int8Array:return draco.DT_INT8;case Int16Array:return draco.DT_INT16;case Int32Array:return draco.DT_INT32;case Uint8Array:return draco.DT_UINT8;case Uint16Array:return draco.DT_UINT16;case Uint32Array:return draco.DT_UINT32;default:return draco.DT_INVALID;}}function getInt32Array(dracoArray){var numValues=dracoArray.size();var intArray=new Int32Array(numValues);for(var _i522=0;_i522<numValues;_i522++){intArray[_i522]=dracoArray.GetValue(_i522);}return intArray;}function getUint32Array(dracoArray){var numValues=dracoArray.size();var intArray=new Int32Array(numValues);for(var _i523=0;_i523<numValues;_i523++){intArray[_i523]=dracoArray.GetValue(_i523);}return intArray;}var DRACO_VERSION='1.4.1';var DRACO_JS_DECODER_URL="https://www.gstatic.com/draco/versioned/decoders/".concat(DRACO_VERSION,"/draco_decoder.js");var DRACO_WASM_WRAPPER_URL="https://www.gstatic.com/draco/versioned/decoders/".concat(DRACO_VERSION,"/draco_wasm_wrapper.js");var DRACO_WASM_DECODER_URL="https://www.gstatic.com/draco/versioned/decoders/".concat(DRACO_VERSION,"/draco_decoder.wasm");var loadDecoderPromise;function loadDracoDecoderModule(_x68){return _loadDracoDecoderModule.apply(this,arguments);}function _loadDracoDecoderModule(){_loadDracoDecoderModule=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee38(options){var modules;return _regeneratorRuntime().wrap(function _callee38$(_context42){while(1){switch(_context42.prev=_context42.next){case 0:modules=options.modules||{};if(modules.draco3d){loadDecoderPromise=loadDecoderPromise||modules.draco3d.createDecoderModule({}).then(function(draco){return{draco:draco};});}else{loadDecoderPromise=loadDecoderPromise||loadDracoDecoder(options);}_context42.next=4;return loadDecoderPromise;case 4:return _context42.abrupt("return",_context42.sent);case 5:case"end":return _context42.stop();}}},_callee38);}));return _loadDracoDecoderModule.apply(this,arguments);}function loadDracoDecoder(_x69){return _loadDracoDecoder.apply(this,arguments);}function _loadDracoDecoder(){_loadDracoDecoder=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee39(options){var DracoDecoderModule,wasmBinary,_yield$Promise$all5,_yield$Promise$all6;return _regeneratorRuntime().wrap(function _callee39$(_context43){while(1){switch(_context43.prev=_context43.next){case 0:_context43.t0=options.draco&&options.draco.decoderType;_context43.next=_context43.t0==='js'?3:_context43.t0==='wasm'?7:7;break;case 3:_context43.next=5;return loadLibrary(DRACO_JS_DECODER_URL,'draco',options);case 5:DracoDecoderModule=_context43.sent;return _context43.abrupt("break",21);case 7:_context43.t1=Promise;_context43.next=10;return loadLibrary(DRACO_WASM_WRAPPER_URL,'draco',options);case 10:_context43.t2=_context43.sent;_context43.next=13;return loadLibrary(DRACO_WASM_DECODER_URL,'draco',options);case 13:_context43.t3=_context43.sent;_context43.t4=[_context43.t2,_context43.t3];_context43.next=17;return _context43.t1.all.call(_context43.t1,_context43.t4);case 17:_yield$Promise$all5=_context43.sent;_yield$Promise$all6=_slicedToArray(_yield$Promise$all5,2);DracoDecoderModule=_yield$Promise$all6[0];wasmBinary=_yield$Promise$all6[1];case 21:DracoDecoderModule=DracoDecoderModule||globalThis.DracoDecoderModule;_context43.next=24;return initializeDracoDecoder(DracoDecoderModule,wasmBinary);case 24:return _context43.abrupt("return",_context43.sent);case 25:case"end":return _context43.stop();}}},_callee39);}));return _loadDracoDecoder.apply(this,arguments);}function initializeDracoDecoder(DracoDecoderModule,wasmBinary){var options={};if(wasmBinary){options.wasmBinary=wasmBinary;}return new Promise(function(resolve){DracoDecoderModule(_objectSpread(_objectSpread({},options),{},{onModuleLoaded:function onModuleLoaded(draco){return resolve({draco:draco});}}));});}({id:isBrowser$3?'draco-writer':'draco-writer-nodejs',name:'Draco compressed geometry writer',module:'draco',version:VERSION$1,worker:true,options:{draco:{},source:null}});var DracoLoader=_objectSpread(_objectSpread({},DracoLoader$1),{},{parse:parse$2});function parse$2(_x70,_x71){return _parse$2.apply(this,arguments);}function _parse$2(){_parse$2=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee40(arrayBuffer,options){var _yield$loadDracoDecod,draco,dracoParser;return _regeneratorRuntime().wrap(function _callee40$(_context44){while(1){switch(_context44.prev=_context44.next){case 0:_context44.next=2;return loadDracoDecoderModule(options);case 2:_yield$loadDracoDecod=_context44.sent;draco=_yield$loadDracoDecod.draco;dracoParser=new DracoParser(draco);_context44.prev=5;return _context44.abrupt("return",dracoParser.parseSync(arrayBuffer,options===null||options===void 0?void 0:options.draco));case 7:_context44.prev=7;dracoParser.destroy();return _context44.finish(7);case 10:case"end":return _context44.stop();}}},_callee40,null,[[5,,7,10]]);}));return _parse$2.apply(this,arguments);}function getGLTFAccessors(attributes){var accessors={};for(var _name7 in attributes){var attribute=attributes[_name7];if(_name7!=='indices'){var glTFAccessor=getGLTFAccessor(attribute);accessors[_name7]=glTFAccessor;}}return accessors;}function getGLTFAccessor(attribute){var _getAccessorData=getAccessorData(attribute),buffer=_getAccessorData.buffer,size=_getAccessorData.size,count=_getAccessorData.count;var glTFAccessor={value:buffer,size:size,byteOffset:0,count:count,type:getAccessorTypeFromSize(size),componentType:getComponentTypeFromArray(buffer)};return glTFAccessor;}function getAccessorData(attribute){var buffer=attribute;var size=1;var count=0;if(attribute&&attribute.value){buffer=attribute.value;size=attribute.size||1;}if(buffer){if(!ArrayBuffer.isView(buffer)){buffer=toTypedArray(buffer,Float32Array);}count=buffer.length/size;}return{buffer:buffer,size:size,count:count};}function toTypedArray(array,ArrayType){var convertTypedArrays=arguments.length>2&&arguments[2]!==undefined?arguments[2]:false;if(!array){return null;}if(Array.isArray(array)){return new ArrayType(array);}if(convertTypedArrays&&!(array instanceof ArrayType)){return new ArrayType(array);}return array;}var KHR_DRACO_MESH_COMPRESSION='KHR_draco_mesh_compression';var name$3=KHR_DRACO_MESH_COMPRESSION;function preprocess$1(gltfData,options,context){var scenegraph=new GLTFScenegraph(gltfData);var _iterator26=_createForOfIteratorHelper(makeMeshPrimitiveIterator(scenegraph)),_step26;try{for(_iterator26.s();!(_step26=_iterator26.n()).done;){var _primitive=_step26.value;if(scenegraph.getObjectExtension(_primitive,KHR_DRACO_MESH_COMPRESSION));}}catch(err){_iterator26.e(err);}finally{_iterator26.f();}}function decode$3(_x72,_x73,_x74){return _decode$2.apply(this,arguments);}function _decode$2(){_decode$2=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee41(gltfData,options,context){var _options$gltf,scenegraph,promises,_iterator50,_step50,_primitive5;return _regeneratorRuntime().wrap(function _callee41$(_context45){while(1){switch(_context45.prev=_context45.next){case 0:if(options!==null&&options!==void 0&&(_options$gltf=options.gltf)!==null&&_options$gltf!==void 0&&_options$gltf.decompressMeshes){_context45.next=2;break;}return _context45.abrupt("return");case 2:scenegraph=new GLTFScenegraph(gltfData);promises=[];_iterator50=_createForOfIteratorHelper(makeMeshPrimitiveIterator(scenegraph));try{for(_iterator50.s();!(_step50=_iterator50.n()).done;){_primitive5=_step50.value;if(scenegraph.getObjectExtension(_primitive5,KHR_DRACO_MESH_COMPRESSION)){promises.push(decompressPrimitive(scenegraph,_primitive5,options,context));}}}catch(err){_iterator50.e(err);}finally{_iterator50.f();}_context45.next=8;return Promise.all(promises);case 8:scenegraph.removeExtension(KHR_DRACO_MESH_COMPRESSION);case 9:case"end":return _context45.stop();}}},_callee41);}));return _decode$2.apply(this,arguments);}function encode$3(gltfData){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var scenegraph=new GLTFScenegraph(gltfData);var _iterator27=_createForOfIteratorHelper(scenegraph.json.meshes||[]),_step27;try{for(_iterator27.s();!(_step27=_iterator27.n()).done;){var _mesh3=_step27.value;compressMesh(_mesh3);scenegraph.addRequiredExtension(KHR_DRACO_MESH_COMPRESSION);}}catch(err){_iterator27.e(err);}finally{_iterator27.f();}}function decompressPrimitive(_x75,_x76,_x77,_x78){return _decompressPrimitive.apply(this,arguments);}function _decompressPrimitive(){_decompressPrimitive=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee42(scenegraph,primitive,options,context){var dracoExtension,buffer,bufferCopy,parse,dracoOptions,decodedData,decodedAttributes,_i620,_Object$entries6,_Object$entries6$_i,attributeName,decodedAttribute,accessorIndex,accessor;return _regeneratorRuntime().wrap(function _callee42$(_context46){while(1){switch(_context46.prev=_context46.next){case 0:dracoExtension=scenegraph.getObjectExtension(primitive,KHR_DRACO_MESH_COMPRESSION);if(dracoExtension){_context46.next=3;break;}return _context46.abrupt("return");case 3:buffer=scenegraph.getTypedArrayForBufferView(dracoExtension.bufferView);bufferCopy=sliceArrayBuffer(buffer.buffer,buffer.byteOffset);parse=context.parse;dracoOptions=_objectSpread({},options);delete dracoOptions['3d-tiles'];_context46.next=10;return parse(bufferCopy,DracoLoader,dracoOptions,context);case 10:decodedData=_context46.sent;decodedAttributes=getGLTFAccessors(decodedData.attributes);for(_i620=0,_Object$entries6=Object.entries(decodedAttributes);_i620<_Object$entries6.length;_i620++){_Object$entries6$_i=_slicedToArray(_Object$entries6[_i620],2),attributeName=_Object$entries6$_i[0],decodedAttribute=_Object$entries6$_i[1];if(attributeName in primitive.attributes){accessorIndex=primitive.attributes[attributeName];accessor=scenegraph.getAccessor(accessorIndex);if(accessor!==null&&accessor!==void 0&&accessor.min&&accessor!==null&&accessor!==void 0&&accessor.max){decodedAttribute.min=accessor.min;decodedAttribute.max=accessor.max;}}}primitive.attributes=decodedAttributes;if(decodedData.indices){primitive.indices=getGLTFAccessor(decodedData.indices);}checkPrimitive(primitive);case 16:case"end":return _context46.stop();}}},_callee42);}));return _decompressPrimitive.apply(this,arguments);}function compressMesh(attributes,indices){var mode=arguments.length>2&&arguments[2]!==undefined?arguments[2]:4;var options=arguments.length>3?arguments[3]:undefined;var context=arguments.length>4?arguments[4]:undefined;var _context$parseSync;if(!options.DracoWriter){throw new Error('options.gltf.DracoWriter not provided');}var compressedData=options.DracoWriter.encodeSync({attributes:attributes});var decodedData=context===null||context===void 0?void 0:(_context$parseSync=context.parseSync)===null||_context$parseSync===void 0?void 0:_context$parseSync.call(context,{attributes:attributes});var fauxAccessors=options._addFauxAttributes(decodedData.attributes);var bufferViewIndex=options.addBufferView(compressedData);var glTFMesh={primitives:[{attributes:fauxAccessors,mode:mode,extensions:_defineProperty2({},KHR_DRACO_MESH_COMPRESSION,{bufferView:bufferViewIndex,attributes:fauxAccessors})}]};return glTFMesh;}function checkPrimitive(primitive){if(!primitive.attributes&&Object.keys(primitive.attributes).length>0){throw new Error('glTF: Empty primitive detected: Draco decompression failure?');}}function makeMeshPrimitiveIterator(scenegraph){var _iterator28,_step28,_mesh4,_iterator29,_step29,_primitive2;return _regeneratorRuntime().wrap(function makeMeshPrimitiveIterator$(_context10){while(1){switch(_context10.prev=_context10.next){case 0:_iterator28=_createForOfIteratorHelper(scenegraph.json.meshes||[]);_context10.prev=1;_iterator28.s();case 3:if((_step28=_iterator28.n()).done){_context10.next=24;break;}_mesh4=_step28.value;_iterator29=_createForOfIteratorHelper(_mesh4.primitives);_context10.prev=6;_iterator29.s();case 8:if((_step29=_iterator29.n()).done){_context10.next=14;break;}_primitive2=_step29.value;_context10.next=12;return _primitive2;case 12:_context10.next=8;break;case 14:_context10.next=19;break;case 16:_context10.prev=16;_context10.t0=_context10["catch"](6);_iterator29.e(_context10.t0);case 19:_context10.prev=19;_iterator29.f();return _context10.finish(19);case 22:_context10.next=3;break;case 24:_context10.next=29;break;case 26:_context10.prev=26;_context10.t1=_context10["catch"](1);_iterator28.e(_context10.t1);case 29:_context10.prev=29;_iterator28.f();return _context10.finish(29);case 32:case"end":return _context10.stop();}}},_marked3,null,[[1,26,29,32],[6,16,19,22]]);}var KHR_draco_mesh_compression=/*#__PURE__*/Object.freeze({__proto__:null,name:name$3,preprocess:preprocess$1,decode:decode$3,encode:encode$3});var KHR_LIGHTS_PUNCTUAL='KHR_lights_punctual';var name$2=KHR_LIGHTS_PUNCTUAL;function decode$2(_x79){return _decode$3.apply(this,arguments);}function _decode$3(){_decode$3=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee43(gltfData){var gltfScenegraph,json,extension,_iterator51,_step51,_node10,nodeExtension;return _regeneratorRuntime().wrap(function _callee43$(_context47){while(1){switch(_context47.prev=_context47.next){case 0:gltfScenegraph=new GLTFScenegraph(gltfData);json=gltfScenegraph.json;extension=gltfScenegraph.getExtension(KHR_LIGHTS_PUNCTUAL);if(extension){gltfScenegraph.json.lights=extension.lights;gltfScenegraph.removeExtension(KHR_LIGHTS_PUNCTUAL);}_iterator51=_createForOfIteratorHelper(json.nodes||[]);try{for(_iterator51.s();!(_step51=_iterator51.n()).done;){_node10=_step51.value;nodeExtension=gltfScenegraph.getObjectExtension(_node10,KHR_LIGHTS_PUNCTUAL);if(nodeExtension){_node10.light=nodeExtension.light;}gltfScenegraph.removeObjectExtension(_node10,KHR_LIGHTS_PUNCTUAL);}}catch(err){_iterator51.e(err);}finally{_iterator51.f();}case 6:case"end":return _context47.stop();}}},_callee43);}));return _decode$3.apply(this,arguments);}function encode$2(_x80){return _encode$.apply(this,arguments);}function _encode$(){_encode$=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee44(gltfData){var gltfScenegraph,json,extension,_iterator52,_step52,light,_node11;return _regeneratorRuntime().wrap(function 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_callee46$(_context50){while(1){switch(_context50.prev=_context50.next){case 0:gltfScenegraph=new GLTFScenegraph(gltfData);json=gltfScenegraph.json;extension=gltfScenegraph.getExtension(KHR_TECHNIQUES_WEBGL);if(extension){techniques=resolveTechniques(extension,gltfScenegraph);_iterator54=_createForOfIteratorHelper(json.materials||[]);try{for(_iterator54.s();!(_step54=_iterator54.n()).done;){material=_step54.value;materialExtension=gltfScenegraph.getObjectExtension(material,KHR_TECHNIQUES_WEBGL);if(materialExtension){material.technique=Object.assign({},materialExtension,techniques[materialExtension.technique]);material.technique.values=resolveValues(material.technique,gltfScenegraph);}gltfScenegraph.removeObjectExtension(material,KHR_TECHNIQUES_WEBGL);}}catch(err){_iterator54.e(err);}finally{_iterator54.f();}gltfScenegraph.removeExtension(KHR_TECHNIQUES_WEBGL);}case 4:case"end":return _context50.stop();}}},_callee46);}));return _decode.apply(this,arguments);}function encode(_x83,_x84){return _encode.apply(this,arguments);}function _encode(){_encode=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee47(gltfData,options){return _regeneratorRuntime().wrap(function _callee47$(_context51){while(1){switch(_context51.prev=_context51.next){case 0:case"end":return _context51.stop();}}},_callee47);}));return _encode.apply(this,arguments);}function resolveTechniques(techniquesExtension,gltfScenegraph){var _techniquesExtension$=techniquesExtension.programs,programs=_techniquesExtension$===void 0?[]:_techniquesExtension$,_techniquesExtension$2=techniquesExtension.shaders,shaders=_techniquesExtension$2===void 0?[]:_techniquesExtension$2,_techniquesExtension$3=techniquesExtension.techniques,techniques=_techniquesExtension$3===void 0?[]:_techniquesExtension$3;var textDecoder=new TextDecoder();shaders.forEach(function(shader){if(Number.isFinite(shader.bufferView)){shader.code=textDecoder.decode(gltfScenegraph.getTypedArrayForBufferView(shader.bufferView));}else{throw new Error('KHR_techniques_webgl: no shader code');}});programs.forEach(function(program){program.fragmentShader=shaders[program.fragmentShader];program.vertexShader=shaders[program.vertexShader];});techniques.forEach(function(technique){technique.program=programs[technique.program];});return techniques;}function resolveValues(technique,gltfScenegraph){var values=Object.assign({},technique.values);Object.keys(technique.uniforms||{}).forEach(function(uniform){if(technique.uniforms[uniform].value&&!(uniform in values)){values[uniform]=technique.uniforms[uniform].value;}});Object.keys(values).forEach(function(uniform){if(_typeof(values[uniform])==='object'&&values[uniform].index!==undefined){values[uniform].texture=gltfScenegraph.getTexture(values[uniform].index);}});return values;}var KHR_techniques_webgl=/*#__PURE__*/Object.freeze({__proto__:null,name:name,decode:decode,encode:encode});var EXTENSIONS=[EXT_meshopt_compression,EXT_texture_webp,KHR_texture_basisu,KHR_draco_mesh_compression,KHR_lights_punctual,KHR_materials_unlit,KHR_techniques_webgl];function preprocessExtensions(gltf){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var context=arguments.length>2?arguments[2]:undefined;var extensions=EXTENSIONS.filter(function(extension){return useExtension(extension.name,options);});var _iterator31=_createForOfIteratorHelper(extensions),_step31;try{for(_iterator31.s();!(_step31=_iterator31.n()).done;){var extension=_step31.value;var _extension$preprocess;(_extension$preprocess=extension.preprocess)===null||_extension$preprocess===void 0?void 0:_extension$preprocess.call(extension,gltf,options,context);}}catch(err){_iterator31.e(err);}finally{_iterator31.f();}}function decodeExtensions(_x85){return _decodeExtensions.apply(this,arguments);}function _decodeExtensions(){_decodeExtensions=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee48(gltf){var options,context,extensions,_iterator55,_step55,extension,_extension$decode,_args46=arguments;return _regeneratorRuntime().wrap(function _callee48$(_context52){while(1){switch(_context52.prev=_context52.next){case 0:options=_args46.length>1&&_args46[1]!==undefined?_args46[1]:{};context=_args46.length>2?_args46[2]:undefined;extensions=EXTENSIONS.filter(function(extension){return useExtension(extension.name,options);});_iterator55=_createForOfIteratorHelper(extensions);_context52.prev=4;_iterator55.s();case 6:if((_step55=_iterator55.n()).done){_context52.next=12;break;}extension=_step55.value;_context52.next=10;return(_extension$decode=extension.decode)===null||_extension$decode===void 0?void 0:_extension$decode.call(extension,gltf,options,context);case 10:_context52.next=6;break;case 12:_context52.next=17;break;case 14:_context52.prev=14;_context52.t0=_context52["catch"](4);_iterator55.e(_context52.t0);case 17:_context52.prev=17;_iterator55.f();return _context52.finish(17);case 20:case"end":return _context52.stop();}}},_callee48,null,[[4,14,17,20]]);}));return _decodeExtensions.apply(this,arguments);}function useExtension(extensionName,options){var _options$gltf;var excludes=(options===null||options===void 0?void 0:(_options$gltf=options.gltf)===null||_options$gltf===void 0?void 0:_options$gltf.excludeExtensions)||{};var exclude=extensionName in excludes&&!excludes[extensionName];return!exclude;}var KHR_BINARY_GLTF='KHR_binary_glTF';function preprocess(gltfData){var gltfScenegraph=new GLTFScenegraph(gltfData);var json=gltfScenegraph.json;var _iterator32=_createForOfIteratorHelper(json.images||[]),_step32;try{for(_iterator32.s();!(_step32=_iterator32.n()).done;){var _image7=_step32.value;var extension=gltfScenegraph.getObjectExtension(_image7,KHR_BINARY_GLTF);if(extension){Object.assign(_image7,extension);}gltfScenegraph.removeObjectExtension(_image7,KHR_BINARY_GLTF);}}catch(err){_iterator32.e(err);}finally{_iterator32.f();}if(json.buffers&&json.buffers[0]){delete json.buffers[0].uri;}gltfScenegraph.removeExtension(KHR_BINARY_GLTF);}var GLTF_ARRAYS={accessors:'accessor',animations:'animation',buffers:'buffer',bufferViews:'bufferView',images:'image',materials:'material',meshes:'mesh',nodes:'node',samplers:'sampler',scenes:'scene',skins:'skin',textures:'texture'};var GLTF_KEYS={accessor:'accessors',animations:'animation',buffer:'buffers',bufferView:'bufferViews',image:'images',material:'materials',mesh:'meshes',node:'nodes',sampler:'samplers',scene:'scenes',skin:'skins',texture:'textures'};var GLTFV1Normalizer=/*#__PURE__*/function(){function GLTFV1Normalizer(){_classCallCheck(this,GLTFV1Normalizer);_defineProperty(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}});_defineProperty(this,"json",void 0);}_createClass(GLTFV1Normalizer,[{key:"normalize",value:function normalize(gltf,options){this.json=gltf.json;var json=gltf.json;switch(json.asset&&json.asset.version){case'2.0':return;case undefined:case'1.0':break;default:console.warn("glTF: Unknown version ".concat(json.asset.version));return;}if(!options.normalize){throw new Error('glTF v1 is not supported.');}console.warn('Converting glTF v1 to glTF v2 format. This is experimental and may fail.');this._addAsset(json);this._convertTopLevelObjectsToArrays(json);preprocess(gltf);this._convertObjectIdsToArrayIndices(json);this._updateObjects(json);this._updateMaterial(json);}},{key:"_addAsset",value:function _addAsset(json){json.asset=json.asset||{};json.asset.version='2.0';json.asset.generator=json.asset.generator||'Normalized to glTF 2.0 by loaders.gl';}},{key:"_convertTopLevelObjectsToArrays",value:function _convertTopLevelObjectsToArrays(json){for(var arrayName in GLTF_ARRAYS){this._convertTopLevelObjectToArray(json,arrayName);}}},{key:"_convertTopLevelObjectToArray",value:function _convertTopLevelObjectToArray(json,mapName){var objectMap=json[mapName];if(!objectMap||Array.isArray(objectMap)){return;}json[mapName]=[];for(var id in objectMap){var object=objectMap[id];object.id=object.id||id;var index=json[mapName].length;json[mapName].push(object);this.idToIndexMap[mapName][id]=index;}}},{key:"_convertObjectIdsToArrayIndices",value:function _convertObjectIdsToArrayIndices(json){for(var arrayName in GLTF_ARRAYS){this._convertIdsToIndices(json,arrayName);}if('scene'in json){json.scene=this._convertIdToIndex(json.scene,'scene');}var _iterator33=_createForOfIteratorHelper(json.textures),_step33;try{for(_iterator33.s();!(_step33=_iterator33.n()).done;){var texture=_step33.value;this._convertTextureIds(texture);}}catch(err){_iterator33.e(err);}finally{_iterator33.f();}var _iterator34=_createForOfIteratorHelper(json.meshes),_step34;try{for(_iterator34.s();!(_step34=_iterator34.n()).done;){var _mesh5=_step34.value;this._convertMeshIds(_mesh5);}}catch(err){_iterator34.e(err);}finally{_iterator34.f();}var _iterator35=_createForOfIteratorHelper(json.nodes),_step35;try{for(_iterator35.s();!(_step35=_iterator35.n()).done;){var _node4=_step35.value;this._convertNodeIds(_node4);}}catch(err){_iterator35.e(err);}finally{_iterator35.f();}var _iterator36=_createForOfIteratorHelper(json.scenes),_step36;try{for(_iterator36.s();!(_step36=_iterator36.n()).done;){var _node5=_step36.value;this._convertSceneIds(_node5);}}catch(err){_iterator36.e(err);}finally{_iterator36.f();}}},{key:"_convertTextureIds",value:function _convertTextureIds(texture){if(texture.source){texture.source=this._convertIdToIndex(texture.source,'image');}}},{key:"_convertMeshIds",value:function _convertMeshIds(mesh){var _iterator37=_createForOfIteratorHelper(mesh.primitives),_step37;try{for(_iterator37.s();!(_step37=_iterator37.n()).done;){var _primitive3=_step37.value;var attributes=_primitive3.attributes,indices=_primitive3.indices,material=_primitive3.material;for(var attributeName in attributes){attributes[attributeName]=this._convertIdToIndex(attributes[attributeName],'accessor');}if(indices){_primitive3.indices=this._convertIdToIndex(indices,'accessor');}if(material){_primitive3.material=this._convertIdToIndex(material,'material');}}}catch(err){_iterator37.e(err);}finally{_iterator37.f();}}},{key:"_convertNodeIds",value:function _convertNodeIds(node){var _this130=this;if(node.children){node.children=node.children.map(function(child){return _this130._convertIdToIndex(child,'node');});}if(node.meshes){node.meshes=node.meshes.map(function(mesh){return _this130._convertIdToIndex(mesh,'mesh');});}}},{key:"_convertSceneIds",value:function _convertSceneIds(scene){var _this131=this;if(scene.nodes){scene.nodes=scene.nodes.map(function(node){return _this131._convertIdToIndex(node,'node');});}}},{key:"_convertIdsToIndices",value:function _convertIdsToIndices(json,topLevelArrayName){if(!json[topLevelArrayName]){console.warn("gltf v1: json doesn't contain attribute ".concat(topLevelArrayName));json[topLevelArrayName]=[];}var _iterator38=_createForOfIteratorHelper(json[topLevelArrayName]),_step38;try{for(_iterator38.s();!(_step38=_iterator38.n()).done;){var object=_step38.value;for(var key in object){var id=object[key];var index=this._convertIdToIndex(id,key);object[key]=index;}}}catch(err){_iterator38.e(err);}finally{_iterator38.f();}}},{key:"_convertIdToIndex",value:function _convertIdToIndex(id,key){var arrayName=GLTF_KEYS[key];if(arrayName in this.idToIndexMap){var index=this.idToIndexMap[arrayName][id];if(!Number.isFinite(index)){throw new Error("gltf v1: failed to resolve ".concat(key," with id ").concat(id));}return index;}return id;}},{key:"_updateObjects",value:function _updateObjects(json){var _iterator39=_createForOfIteratorHelper(this.json.buffers),_step39;try{for(_iterator39.s();!(_step39=_iterator39.n()).done;){var buffer=_step39.value;delete buffer.type;}}catch(err){_iterator39.e(err);}finally{_iterator39.f();}}},{key:"_updateMaterial",value:function _updateMaterial(json){var _iterator40=_createForOfIteratorHelper(json.materials),_step40;try{var _loop6=function _loop6(){var material=_step40.value;material.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};var textureId=((_material$values=material.values)===null||_material$values===void 0?void 0:_material$values.tex)||((_material$values2=material.values)===null||_material$values2===void 0?void 0:_material$values2.texture2d_0);var textureIndex=json.textures.findIndex(function(texture){return texture.id===textureId;});if(textureIndex!==-1){material.pbrMetallicRoughness.baseColorTexture={index:textureIndex};}};for(_iterator40.s();!(_step40=_iterator40.n()).done;){var _material$values,_material$values2;_loop6();}}catch(err){_iterator40.e(err);}finally{_iterator40.f();}}}]);return GLTFV1Normalizer;}();function normalizeGLTFV1(gltf){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};return new GLTFV1Normalizer().normalize(gltf,options);}var COMPONENTS={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16};var BYTES={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4};var GL_SAMPLER={TEXTURE_MAG_FILTER:0x2800,TEXTURE_MIN_FILTER:0x2801,TEXTURE_WRAP_S:0x2802,TEXTURE_WRAP_T:0x2803,REPEAT:0x2901,LINEAR:0x2601,NEAREST_MIPMAP_LINEAR:0x2702};var SAMPLER_PARAMETER_GLTF_TO_GL={magFilter:GL_SAMPLER.TEXTURE_MAG_FILTER,minFilter:GL_SAMPLER.TEXTURE_MIN_FILTER,wrapS:GL_SAMPLER.TEXTURE_WRAP_S,wrapT:GL_SAMPLER.TEXTURE_WRAP_T};var DEFAULT_SAMPLER=(_DEFAULT_SAMPLER={},_defineProperty2(_DEFAULT_SAMPLER,GL_SAMPLER.TEXTURE_MAG_FILTER,GL_SAMPLER.LINEAR),_defineProperty2(_DEFAULT_SAMPLER,GL_SAMPLER.TEXTURE_MIN_FILTER,GL_SAMPLER.NEAREST_MIPMAP_LINEAR),_defineProperty2(_DEFAULT_SAMPLER,GL_SAMPLER.TEXTURE_WRAP_S,GL_SAMPLER.REPEAT),_defineProperty2(_DEFAULT_SAMPLER,GL_SAMPLER.TEXTURE_WRAP_T,GL_SAMPLER.REPEAT),_DEFAULT_SAMPLER);function getBytesFromComponentType(componentType){return BYTES[componentType];}function getSizeFromAccessorType(type){return COMPONENTS[type];}var GLTFPostProcessor=/*#__PURE__*/function(){function GLTFPostProcessor(){_classCallCheck(this,GLTFPostProcessor);_defineProperty(this,"baseUri",'');_defineProperty(this,"json",{});_defineProperty(this,"buffers",[]);_defineProperty(this,"images",[]);}_createClass(GLTFPostProcessor,[{key:"postProcess",value:function postProcess(gltf){var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};var json=gltf.json,_gltf$buffers=gltf.buffers,buffers=_gltf$buffers===void 0?[]:_gltf$buffers,_gltf$images=gltf.images,images=_gltf$images===void 0?[]:_gltf$images,_gltf$baseUri=gltf.baseUri,baseUri=_gltf$baseUri===void 0?'':_gltf$baseUri;assert$1(json);this.baseUri=baseUri;this.json=json;this.buffers=buffers;this.images=images;this._resolveTree(this.json,options);return this.json;}},{key:"_resolveTree",value:function _resolveTree(json){var _this132=this;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};if(json.bufferViews){json.bufferViews=json.bufferViews.map(function(bufView,i){return _this132._resolveBufferView(bufView,i);});}if(json.images){json.images=json.images.map(function(image,i){return _this132._resolveImage(image,i);});}if(json.samplers){json.samplers=json.samplers.map(function(sampler,i){return _this132._resolveSampler(sampler,i);});}if(json.textures){json.textures=json.textures.map(function(texture,i){return _this132._resolveTexture(texture,i);});}if(json.accessors){json.accessors=json.accessors.map(function(accessor,i){return _this132._resolveAccessor(accessor,i);});}if(json.materials){json.materials=json.materials.map(function(material,i){return _this132._resolveMaterial(material,i);});}if(json.meshes){json.meshes=json.meshes.map(function(mesh,i){return _this132._resolveMesh(mesh,i);});}if(json.nodes){json.nodes=json.nodes.map(function(node,i){return _this132._resolveNode(node,i);});}if(json.skins){json.skins=json.skins.map(function(skin,i){return _this132._resolveSkin(skin,i);});}if(json.scenes){json.scenes=json.scenes.map(function(scene,i){return _this132._resolveScene(scene,i);});}if(json.scene!==undefined){json.scene=json.scenes[this.json.scene];}}},{key:"getScene",value:function getScene(index){return this._get('scenes',index);}},{key:"getNode",value:function getNode(index){return this._get('nodes',index);}},{key:"getSkin",value:function getSkin(index){return this._get('skins',index);}},{key:"getMesh",value:function getMesh(index){return this._get('meshes',index);}},{key:"getMaterial",value:function getMaterial(index){return this._get('materials',index);}},{key:"getAccessor",value:function getAccessor(index){return this._get('accessors',index);}},{key:"getCamera",value:function getCamera(index){return null;}},{key:"getTexture",value:function getTexture(index){return this._get('textures',index);}},{key:"getSampler",value:function getSampler(index){return this._get('samplers',index);}},{key:"getImage",value:function getImage(index){return this._get('images',index);}},{key:"getBufferView",value:function getBufferView(index){return this._get('bufferViews',index);}},{key:"getBuffer",value:function getBuffer(index){return this._get('buffers',index);}},{key:"_get",value:function _get(array,index){if(_typeof(index)==='object'){return index;}var object=this.json[array]&&this.json[array][index];if(!object){console.warn("glTF file error: Could not find ".concat(array,"[").concat(index,"]"));}return object;}},{key:"_resolveScene",value:function _resolveScene(scene,index){var _this133=this;scene.id=scene.id||"scene-".concat(index);scene.nodes=(scene.nodes||[]).map(function(node){return _this133.getNode(node);});return scene;}},{key:"_resolveNode",value:function _resolveNode(node,index){var _this134=this;node.id=node.id||"node-".concat(index);if(node.children){node.children=node.children.map(function(child){return _this134.getNode(child);});}if(node.mesh!==undefined){node.mesh=this.getMesh(node.mesh);}else if(node.meshes!==undefined&&node.meshes.length){node.mesh=node.meshes.reduce(function(accum,meshIndex){var mesh=_this134.getMesh(meshIndex);accum.id=mesh.id;accum.primitives=accum.primitives.concat(mesh.primitives);return accum;},{primitives:[]});}if(node.camera!==undefined){node.camera=this.getCamera(node.camera);}if(node.skin!==undefined){node.skin=this.getSkin(node.skin);}return node;}},{key:"_resolveSkin",value:function _resolveSkin(skin,index){skin.id=skin.id||"skin-".concat(index);skin.inverseBindMatrices=this.getAccessor(skin.inverseBindMatrices);return skin;}},{key:"_resolveMesh",value:function _resolveMesh(mesh,index){var _this135=this;mesh.id=mesh.id||"mesh-".concat(index);if(mesh.primitives){mesh.primitives=mesh.primitives.map(function(primitive){primitive=_objectSpread({},primitive);var attributes=primitive.attributes;primitive.attributes={};for(var attribute in attributes){primitive.attributes[attribute]=_this135.getAccessor(attributes[attribute]);}if(primitive.indices!==undefined){primitive.indices=_this135.getAccessor(primitive.indices);}if(primitive.material!==undefined){primitive.material=_this135.getMaterial(primitive.material);}return primitive;});}return mesh;}},{key:"_resolveMaterial",value:function _resolveMaterial(material,index){material.id=material.id||"material-".concat(index);if(material.normalTexture){material.normalTexture=_objectSpread({},material.normalTexture);material.normalTexture.texture=this.getTexture(material.normalTexture.index);}if(material.occlusionTexture){material.occlustionTexture=_objectSpread({},material.occlustionTexture);material.occlusionTexture.texture=this.getTexture(material.occlusionTexture.index);}if(material.emissiveTexture){material.emmisiveTexture=_objectSpread({},material.emmisiveTexture);material.emissiveTexture.texture=this.getTexture(material.emissiveTexture.index);}if(!material.emissiveFactor){material.emissiveFactor=material.emmisiveTexture?[1,1,1]:[0,0,0];}if(material.pbrMetallicRoughness){material.pbrMetallicRoughness=_objectSpread({},material.pbrMetallicRoughness);var mr=material.pbrMetallicRoughness;if(mr.baseColorTexture){mr.baseColorTexture=_objectSpread({},mr.baseColorTexture);mr.baseColorTexture.texture=this.getTexture(mr.baseColorTexture.index);}if(mr.metallicRoughnessTexture){mr.metallicRoughnessTexture=_objectSpread({},mr.metallicRoughnessTexture);mr.metallicRoughnessTexture.texture=this.getTexture(mr.metallicRoughnessTexture.index);}}return material;}},{key:"_resolveAccessor",value:function _resolveAccessor(accessor,index){accessor.id=accessor.id||"accessor-".concat(index);if(accessor.bufferView!==undefined){accessor.bufferView=this.getBufferView(accessor.bufferView);}accessor.bytesPerComponent=getBytesFromComponentType(accessor.componentType);accessor.components=getSizeFromAccessorType(accessor.type);accessor.bytesPerElement=accessor.bytesPerComponent*accessor.components;if(accessor.bufferView){var buffer=accessor.bufferView.buffer;var _getAccessorArrayType2=getAccessorArrayTypeAndLength(accessor,accessor.bufferView),ArrayType=_getAccessorArrayType2.ArrayType,byteLength=_getAccessorArrayType2.byteLength;var byteOffset=(accessor.bufferView.byteOffset||0)+(accessor.byteOffset||0)+buffer.byteOffset;var cutBuffer=buffer.arrayBuffer.slice(byteOffset,byteOffset+byteLength);if(accessor.bufferView.byteStride){cutBuffer=this._getValueFromInterleavedBuffer(buffer,byteOffset,accessor.bufferView.byteStride,accessor.bytesPerElement,accessor.count);}accessor.value=new ArrayType(cutBuffer);}return accessor;}},{key:"_getValueFromInterleavedBuffer",value:function _getValueFromInterleavedBuffer(buffer,byteOffset,byteStride,bytesPerElement,count){var result=new Uint8Array(count*bytesPerElement);for(var _i524=0;_i524<count;_i524++){var elementOffset=byteOffset+_i524*byteStride;result.set(new Uint8Array(buffer.arrayBuffer.slice(elementOffset,elementOffset+bytesPerElement)),_i524*bytesPerElement);}return result.buffer;}},{key:"_resolveTexture",value:function _resolveTexture(texture,index){texture.id=texture.id||"texture-".concat(index);texture.sampler='sampler'in texture?this.getSampler(texture.sampler):DEFAULT_SAMPLER;texture.source=this.getImage(texture.source);return texture;}},{key:"_resolveSampler",value:function _resolveSampler(sampler,index){sampler.id=sampler.id||"sampler-".concat(index);sampler.parameters={};for(var key in sampler){var glEnum=this._enumSamplerParameter(key);if(glEnum!==undefined){sampler.parameters[glEnum]=sampler[key];}}return sampler;}},{key:"_enumSamplerParameter",value:function _enumSamplerParameter(key){return SAMPLER_PARAMETER_GLTF_TO_GL[key];}},{key:"_resolveImage",value:function _resolveImage(image,index){image.id=image.id||"image-".concat(index);if(image.bufferView!==undefined){image.bufferView=this.getBufferView(image.bufferView);}var preloadedImage=this.images[index];if(preloadedImage){image.image=preloadedImage;}return image;}},{key:"_resolveBufferView",value:function _resolveBufferView(bufferView,index){var bufferIndex=bufferView.buffer;var result=_objectSpread(_objectSpread({id:"bufferView-".concat(index)},bufferView),{},{buffer:this.buffers[bufferIndex]});var arrayBuffer=this.buffers[bufferIndex].arrayBuffer;var byteOffset=this.buffers[bufferIndex].byteOffset||0;if('byteOffset'in bufferView){byteOffset+=bufferView.byteOffset;}result.data=new Uint8Array(arrayBuffer,byteOffset,bufferView.byteLength);return result;}},{key:"_resolveCamera",value:function _resolveCamera(camera,index){camera.id=camera.id||"camera-".concat(index);if(camera.perspective);if(camera.orthographic);return camera;}}]);return GLTFPostProcessor;}();function postProcessGLTF(gltf,options){return new GLTFPostProcessor().postProcess(gltf,options);}var MAGIC_glTF=0x676c5446;var GLB_FILE_HEADER_SIZE=12;var GLB_CHUNK_HEADER_SIZE=8;var GLB_CHUNK_TYPE_JSON=0x4e4f534a;var GLB_CHUNK_TYPE_BIN=0x004e4942;var GLB_CHUNK_TYPE_JSON_XVIZ_DEPRECATED=0;var GLB_CHUNK_TYPE_BIX_XVIZ_DEPRECATED=1;var GLB_V1_CONTENT_FORMAT_JSON=0x0;var LE=true;function getMagicString(dataView){var byteOffset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;return"".concat(String.fromCharCode(dataView.getUint8(byteOffset+0))).concat(String.fromCharCode(dataView.getUint8(byteOffset+1))).concat(String.fromCharCode(dataView.getUint8(byteOffset+2))).concat(String.fromCharCode(dataView.getUint8(byteOffset+3)));}function isGLB(arrayBuffer){var byteOffset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var options=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{};var dataView=new DataView(arrayBuffer);var _options$magic=options.magic,magic=_options$magic===void 0?MAGIC_glTF:_options$magic;var magic1=dataView.getUint32(byteOffset,false);return magic1===magic||magic1===MAGIC_glTF;}function parseGLBSync(glb,arrayBuffer){var byteOffset=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var options=arguments.length>3&&arguments[3]!==undefined?arguments[3]:{};var dataView=new DataView(arrayBuffer);var type=getMagicString(dataView,byteOffset+0);var version=dataView.getUint32(byteOffset+4,LE);var byteLength=dataView.getUint32(byteOffset+8,LE);Object.assign(glb,{header:{byteOffset:byteOffset,byteLength:byteLength,hasBinChunk:false},type:type,version:version,json:{},binChunks:[]});byteOffset+=GLB_FILE_HEADER_SIZE;switch(glb.version){case 1:return parseGLBV1(glb,dataView,byteOffset);case 2:return parseGLBV2(glb,dataView,byteOffset,options={});default:throw new Error("Invalid GLB version ".concat(glb.version,". Only supports v1 and v2."));}}function parseGLBV1(glb,dataView,byteOffset){assert$5(glb.header.byteLength>GLB_FILE_HEADER_SIZE+GLB_CHUNK_HEADER_SIZE);var contentLength=dataView.getUint32(byteOffset+0,LE);var contentFormat=dataView.getUint32(byteOffset+4,LE);byteOffset+=GLB_CHUNK_HEADER_SIZE;assert$5(contentFormat===GLB_V1_CONTENT_FORMAT_JSON);parseJSONChunk(glb,dataView,byteOffset,contentLength);byteOffset+=contentLength;byteOffset+=parseBINChunk(glb,dataView,byteOffset,glb.header.byteLength);return byteOffset;}function parseGLBV2(glb,dataView,byteOffset,options){assert$5(glb.header.byteLength>GLB_FILE_HEADER_SIZE+GLB_CHUNK_HEADER_SIZE);parseGLBChunksSync(glb,dataView,byteOffset,options);return byteOffset+glb.header.byteLength;}function parseGLBChunksSync(glb,dataView,byteOffset,options){while(byteOffset+8<=glb.header.byteLength){var chunkLength=dataView.getUint32(byteOffset+0,LE);var chunkFormat=dataView.getUint32(byteOffset+4,LE);byteOffset+=GLB_CHUNK_HEADER_SIZE;switch(chunkFormat){case GLB_CHUNK_TYPE_JSON:parseJSONChunk(glb,dataView,byteOffset,chunkLength);break;case GLB_CHUNK_TYPE_BIN:parseBINChunk(glb,dataView,byteOffset,chunkLength);break;case GLB_CHUNK_TYPE_JSON_XVIZ_DEPRECATED:if(!options.strict){parseJSONChunk(glb,dataView,byteOffset,chunkLength);}break;case GLB_CHUNK_TYPE_BIX_XVIZ_DEPRECATED:if(!options.strict){parseBINChunk(glb,dataView,byteOffset,chunkLength);}break;}byteOffset+=padToNBytes(chunkLength,4);}return byteOffset;}function parseJSONChunk(glb,dataView,byteOffset,chunkLength){var jsonChunk=new Uint8Array(dataView.buffer,byteOffset,chunkLength);var textDecoder=new TextDecoder('utf8');var jsonText=textDecoder.decode(jsonChunk);glb.json=JSON.parse(jsonText);return padToNBytes(chunkLength,4);}function parseBINChunk(glb,dataView,byteOffset,chunkLength){glb.header.hasBinChunk=true;glb.binChunks.push({byteOffset:byteOffset,byteLength:chunkLength,arrayBuffer:dataView.buffer});return padToNBytes(chunkLength,4);}function parseGLTF$1(_x86,_x87){return _parseGLTF$.apply(this,arguments);}function _parseGLTF$(){_parseGLTF$=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee49(gltf,arrayBufferOrString){var byteOffset,options,context,_options$gltf,_options$gltf2,_options$gltf3,_options$gltf4,promises,_promise,promise,_args47=arguments;return _regeneratorRuntime().wrap(function _callee49$(_context53){while(1){switch(_context53.prev=_context53.next){case 0:byteOffset=_args47.length>2&&_args47[2]!==undefined?_args47[2]:0;options=_args47.length>3?_args47[3]:undefined;context=_args47.length>4?_args47[4]:undefined;parseGLTFContainerSync(gltf,arrayBufferOrString,byteOffset,options);normalizeGLTFV1(gltf,{normalize:options===null||options===void 0?void 0:(_options$gltf=options.gltf)===null||_options$gltf===void 0?void 0:_options$gltf.normalize});preprocessExtensions(gltf,options,context);promises=[];if(!(options!==null&&options!==void 0&&(_options$gltf2=options.gltf)!==null&&_options$gltf2!==void 0&&_options$gltf2.loadBuffers&&gltf.json.buffers)){_context53.next=10;break;}_context53.next=10;return loadBuffers(gltf,options,context);case 10:if(options!==null&&options!==void 0&&(_options$gltf3=options.gltf)!==null&&_options$gltf3!==void 0&&_options$gltf3.loadImages){_promise=loadImages(gltf,options,context);promises.push(_promise);}promise=decodeExtensions(gltf,options,context);promises.push(promise);_context53.next=15;return Promise.all(promises);case 15:return _context53.abrupt("return",options!==null&&options!==void 0&&(_options$gltf4=options.gltf)!==null&&_options$gltf4!==void 0&&_options$gltf4.postProcess?postProcessGLTF(gltf,options):gltf);case 16:case"end":return _context53.stop();}}},_callee49);}));return _parseGLTF$.apply(this,arguments);}function parseGLTFContainerSync(gltf,data,byteOffset,options){if(options.uri){gltf.baseUri=options.uri;}if(data instanceof ArrayBuffer&&!isGLB(data,byteOffset,options)){var textDecoder=new TextDecoder();data=textDecoder.decode(data);}if(typeof data==='string'){gltf.json=parseJSON(data);}else if(data instanceof ArrayBuffer){var glb={};byteOffset=parseGLBSync(glb,data,byteOffset,options.glb);assert$1(glb.type==='glTF',"Invalid GLB magic string ".concat(glb.type));gltf._glb=glb;gltf.json=glb.json;}else{assert$1(false,'GLTF: must be ArrayBuffer or string');}var buffers=gltf.json.buffers||[];gltf.buffers=new Array(buffers.length).fill(null);if(gltf._glb&&gltf._glb.header.hasBinChunk){var binChunks=gltf._glb.binChunks;gltf.buffers[0]={arrayBuffer:binChunks[0].arrayBuffer,byteOffset:binChunks[0].byteOffset,byteLength:binChunks[0].byteLength};}var images=gltf.json.images||[];gltf.images=new Array(images.length).fill({});}function loadBuffers(_x88,_x89,_x90){return _loadBuffers.apply(this,arguments);}function _loadBuffers(){_loadBuffers=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee50(gltf,options,context){var buffers,_i621,buffer,_context$fetch,_response$arrayBuffer,_fetch,uri,response,arrayBuffer;return _regeneratorRuntime().wrap(function _callee50$(_context54){while(1){switch(_context54.prev=_context54.next){case 0:buffers=gltf.json.buffers||[];_i621=0;case 2:if(!(_i621<buffers.length)){_context54.next=22;break;}buffer=buffers[_i621];if(!buffer.uri){_context54.next=18;break;}_fetch=context.fetch;assert$1(_fetch);uri=resolveUrl(buffer.uri,options);_context54.next=10;return context===null||context===void 0?void 0:(_context$fetch=context.fetch)===null||_context$fetch===void 0?void 0:_context$fetch.call(context,uri);case 10:response=_context54.sent;_context54.next=13;return response===null||response===void 0?void 0:(_response$arrayBuffer=response.arrayBuffer)===null||_response$arrayBuffer===void 0?void 0:_response$arrayBuffer.call(response);case 13:arrayBuffer=_context54.sent;gltf.buffers[_i621]={arrayBuffer:arrayBuffer,byteOffset:0,byteLength:arrayBuffer.byteLength};delete buffer.uri;_context54.next=19;break;case 18:if(gltf.buffers[_i621]===null){gltf.buffers[_i621]={arrayBuffer:new ArrayBuffer(buffer.byteLength),byteOffset:0,byteLength:buffer.byteLength};}case 19:++_i621;_context54.next=2;break;case 22:case"end":return _context54.stop();}}},_callee50);}));return _loadBuffers.apply(this,arguments);}function loadImages(_x91,_x92,_x93){return _loadImages.apply(this,arguments);}function _loadImages(){_loadImages=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee51(gltf,options,context){var imageIndices,images,promises,_iterator56,_step56,imageIndex;return _regeneratorRuntime().wrap(function _callee51$(_context55){while(1){switch(_context55.prev=_context55.next){case 0:imageIndices=getReferencesImageIndices(gltf);images=gltf.json.images||[];promises=[];_iterator56=_createForOfIteratorHelper(imageIndices);try{for(_iterator56.s();!(_step56=_iterator56.n()).done;){imageIndex=_step56.value;promises.push(loadImage(gltf,images[imageIndex],imageIndex,options,context));}}catch(err){_iterator56.e(err);}finally{_iterator56.f();}_context55.next=7;return Promise.all(promises);case 7:return _context55.abrupt("return",_context55.sent);case 8:case"end":return _context55.stop();}}},_callee51);}));return _loadImages.apply(this,arguments);}function getReferencesImageIndices(gltf){var imageIndices=new Set();var textures=gltf.json.textures||[];var _iterator41=_createForOfIteratorHelper(textures),_step41;try{for(_iterator41.s();!(_step41=_iterator41.n()).done;){var texture=_step41.value;if(texture.source!==undefined){imageIndices.add(texture.source);}}}catch(err){_iterator41.e(err);}finally{_iterator41.f();}return Array.from(imageIndices).sort();}function loadImage(_x94,_x95,_x96,_x97,_x98){return _loadImage.apply(this,arguments);}function _loadImage(){_loadImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee52(gltf,image,index,options,context){var fetch,parse,arrayBuffer,uri,response,array,parsedImage;return _regeneratorRuntime().wrap(function _callee52$(_context56){while(1){switch(_context56.prev=_context56.next){case 0:fetch=context.fetch,parse=context.parse;if(!image.uri){_context56.next=9;break;}uri=resolveUrl(image.uri,options);_context56.next=5;return fetch(uri);case 5:response=_context56.sent;_context56.next=8;return response.arrayBuffer();case 8:arrayBuffer=_context56.sent;case 9:if(Number.isFinite(image.bufferView)){array=getTypedArrayForBufferView(gltf.json,gltf.buffers,image.bufferView);arrayBuffer=sliceArrayBuffer(array.buffer,array.byteOffset,array.byteLength);}assert$1(arrayBuffer,'glTF image has no data');_context56.next=13;return parse(arrayBuffer,[ImageLoader,BasisLoader],{mimeType:image.mimeType,basis:options.basis||{format:selectSupportedBasisFormat()}},context);case 13:parsedImage=_context56.sent;if(parsedImage&&parsedImage[0]){parsedImage={compressed:true,mipmaps:false,width:parsedImage[0].width,height:parsedImage[0].height,data:parsedImage[0]};}gltf.images=gltf.images||[];gltf.images[index]=parsedImage;case 17:case"end":return _context56.stop();}}},_callee52);}));return _loadImage.apply(this,arguments);}var GLTFLoader={name:'glTF',id:'gltf',module:'gltf',version:VERSION$5,extensions:['gltf','glb'],mimeTypes:['model/gltf+json','model/gltf-binary'],text:true,binary:true,tests:['glTF'],parse:parse$1,options:{gltf:{normalize:true,loadBuffers:true,loadImages:true,decompressMeshes:true,postProcess:true},log:console},deprecatedOptions:{fetchImages:'gltf.loadImages',createImages:'gltf.loadImages',decompress:'gltf.decompressMeshes',postProcess:'gltf.postProcess',gltf:{decompress:'gltf.decompressMeshes'}}};function parse$1(_x99){return _parse$3.apply(this,arguments);}/**
  * @private
  */function _parse$3(){_parse$3=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee53(arrayBuffer){var options,context,_options2,_options2$byteOffset,byteOffset,gltf,_args51=arguments;return _regeneratorRuntime().wrap(function _callee53$(_context57){while(1){switch(_context57.prev=_context57.next){case 0:options=_args51.length>1&&_args51[1]!==undefined?_args51[1]:{};context=_args51.length>2?_args51[2]:undefined;options=_objectSpread(_objectSpread({},GLTFLoader.options),options);options.gltf=_objectSpread(_objectSpread({},GLTFLoader.options.gltf),options.gltf);_options2=options,_options2$byteOffset=_options2.byteOffset,byteOffset=_options2$byteOffset===void 0?0:_options2$byteOffset;gltf={};_context57.next=8;return parseGLTF$1(gltf,arrayBuffer,byteOffset,options,context);case 8:return _context57.abrupt("return",_context57.sent);case 9:case"end":return _context57.stop();}}},_callee53);}));return _parse$3.apply(this,arguments);}var GLTFSceneModelLoader=/*#__PURE__*/function(){function GLTFSceneModelLoader(cfg){_classCallCheck(this,GLTFSceneModelLoader);}_createClass(GLTFSceneModelLoader,[{key:"load",value:function load(plugin,src,metaModelJSON,options,sceneModel,ok,error){options=options||{};loadGLTF(plugin,src,metaModelJSON,options,sceneModel,function(){core.scheduleTask(function(){sceneModel.scene.fire("modelLoaded",sceneModel.id);// FIXME: Assumes listeners know order of these two events
 sceneModel.fire("loaded",true,false);});if(ok){ok();}},function(msg){plugin.error(msg);if(error){error(msg);}sceneModel.fire("error",msg);});}},{key:"parse",value:function parse(plugin,gltf,metaModelJSON,options,sceneModel,ok,error){options=options||{};parseGLTF(plugin,"",gltf,metaModelJSON,options,sceneModel,function(){sceneModel.scene.fire("modelLoaded",sceneModel.id);// FIXME: Assumes listeners know order of these two events
@@ -25920,8 +25915,8 @@ var NO_STATE_INHERIT=false;var arrowLength=1.0;var handleRadius=0.09;var tubeRad
 position:[0,0,0],scale:[5,5,5],isObject:false});var pos=math.vec3();var setPos=function(){var origin=math.vec3();var rtcPos=math.vec3();return function(p){pos.set(p);worldToRTCPos(p,origin,rtcPos);rootNode.origin=origin;rootNode.position=rtcPos;};}();var arrowGeometry=function arrowGeometry(radiusBottom,height){return new ReadableGeometry(rootNode,buildCylinderGeometry({radiusTop:0.001,radiusBottom:radiusBottom,radialSegments:32,heightSegments:1,height:height,openEnded:false}));};var tubeGeometry=function tubeGeometry(radius,height,radialSegments){return new ReadableGeometry(rootNode,buildCylinderGeometry({radiusTop:radius,radiusBottom:radius,radialSegments:radialSegments,heightSegments:1,height:height,openEnded:false}));};var torusGeometry=function torusGeometry(tube,arcFraction,tubeSegments){return new ReadableGeometry(rootNode,buildTorusGeometry({radius:arrowLength-0.2,tube:tube,radialSegments:64,tubeSegments:tubeSegments,arc:Math.PI*2.0*arcFraction}));};var shapes={// Reusable geometries
 curve:torusGeometry(tubeRadius,0.25,14),curveHandle:torusGeometry(handleRadius,0.25,14),hoop:torusGeometry(tubeRadius,1,8),arrowHead:arrowGeometry(0.07,0.2),arrowHeadBig:arrowGeometry(0.09,0.25),arrowHeadHandle:tubeGeometry(handleRadius,0.37,8),axis:tubeGeometry(tubeRadius,arrowLength,20),axisHandle:tubeGeometry(handleRadius,arrowLength,20)};var colorMaterial=function colorMaterial(rgb){return new PhongMaterial(rootNode,{diffuse:rgb,emissive:rgb,ambient:[0.0,0.0,0.0],specular:[.6,.6,.3],shininess:80,lineWidth:2});};var highlightMaterial=function highlightMaterial(rgb,fillAlpha){return new EmphasisMaterial(rootNode,{edges:false,fill:true,fillColor:rgb,fillAlpha:fillAlpha});};var pickableMaterial=new PhongMaterial(rootNode,{// Invisible material for pickable handles, which define a pickable 3D area
 diffuse:[1,1,0],alpha:0,// Invisible
-alphaMode:"blend"});var handlers={};var addAxis=function addAxis(rgb,axisDirection,hoopDirection){var material=colorMaterial(rgb);var rotateToHorizontal=math.rotationMat4v(270*math.DEGTORAD,[1,0,0],math.identityMat4());var hoopRotation=math.quaternionToRotationMat4(math.vec3PairToQuaternion([0,1,0],hoopDirection),math.identityMat4());var hoopMatrix=math.mulMat4(hoopRotation,rotateToHorizontal,math.identityMat4());var scale=math.scaleMat4v([0.6,0.6,0.6],math.identityMat4());var scaledArrowMatrix=function scaledArrowMatrix(t,matR){var matT=math.translateMat4v(t,math.identityMat4());var ret=math.identityMat4();math.mulMat4(matT,matR,ret);math.mulMat4(hoopMatrix,ret,ret);return math.mulMat4(ret,scale,math.identityMat4());};var curve=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.curve,material:material,matrix:hoopMatrix,pickable:false,collidable:true,clippable:false,backfaces:true,visible:false,isObject:false}),NO_STATE_INHERIT);var rotateHandle=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.curveHandle,material:pickableMaterial,matrix:hoopMatrix,pickable:true,collidable:true,clippable:false,backfaces:true,visible:false,isObject:false}),NO_STATE_INHERIT);var arrow1=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHead,material:material,matrix:scaledArrowMatrix([.8,.07,0],math.rotationMat4v(180*math.DEGTORAD,[0,0,1],math.identityMat4())),pickable:true,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var arrow2=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHead,material:material,matrix:scaledArrowMatrix([.07,.8,0],math.rotationMat4v(90*math.DEGTORAD,[0,0,1],math.identityMat4())),pickable:true,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var hoop=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.hoop,material:material,highlighted:true,highlightMaterial:highlightMaterial(rgb,0.6),matrix:hoopMatrix,pickable:false,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var axisRotation=math.quaternionToRotationMat4(math.vec3PairToQuaternion([0,1,0],axisDirection),math.identityMat4());var translatedAxisMatrix=function translatedAxisMatrix(yOffset){return math.mulMat4(axisRotation,math.translateMat4c(0,yOffset,0,math.identityMat4()),math.identityMat4());};var arrowMatrix=translatedAxisMatrix(arrowLength+.1);var shaftMatrix=translatedAxisMatrix(arrowLength/2);var arrow=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHead,material:material,matrix:arrowMatrix,pickable:false,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var arrowHandle=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHeadHandle,material:pickableMaterial,matrix:arrowMatrix,pickable:true,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var shaft=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.axis,material:material,matrix:shaftMatrix,pickable:false,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var shaftHandle=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.axisHandle,material:pickableMaterial,matrix:shaftMatrix,pickable:true,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var bigArrowHead=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHeadBig,material:material,matrix:arrowMatrix,pickable:false,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var closestPointOnAxis=function(){var worldAxis=math.vec4();var org=math.vec3();var dir=math.vec3();return function(canvasPos,dst){localToWorldVec(rgb,worldAxis);var P=pos;var D=worldAxis;math.canvasPosToWorldRay(canvas,scene.camera.viewMatrix,scene.camera.projMatrix,scene.camera.projection,canvasPos,org,dir);var d01=math.dotVec3(D,dir);var v=math.subVec3(org,P,dst);var v0=math.dotVec3(v,D);var v1=math.dotVec3(v,dir);var det=1-d01*d01;if(Math.abs(det)>1e-10){// if lines are not parallel
-var _s2=(v0-d01*v1)/det;math.addVec3(P,math.mulVec3Scalar(D,_s2,dst),dst);return true;}else{return false;}};}();var initOffset=math.vec3();var tempVec3=math.vec3();handlers[arrowHandle.id]=handlers[shaftHandle.id]={setActivated:function setActivated(a){return bigArrowHead.visible=a;},initDragAction:function initDragAction(initCanvasPos){return closestPointOnAxis(initCanvasPos,initOffset)&&math.subVec3(initOffset,pos,initOffset)&&function(canvasPos){if(closestPointOnAxis(canvasPos,tempVec3)){math.subVec3(tempVec3,initOffset,tempVec3);setPos(tempVec3);if(self._sectionPlane){self._sectionPlane.pos=tempVec3;}}};}};var lastCanvasPos=math.vec2();handlers[rotateHandle.id]={setActivated:function setActivated(a){return hoop.visible=a;},initDragAction:function initDragAction(initCanvasPos){lastCanvasPos.set(initCanvasPos);return function(canvasPos){dragRotateSectionPlane(rgb,lastCanvasPos,canvasPos);lastCanvasPos.set(canvasPos);};}};return{set visible(v){arrow.visible=arrowHandle.visible=shaft.visible=shaftHandle.visible=curve.visible=rotateHandle.visible=arrow1.visible=arrow2.visible=v;if(!v){bigArrowHead.visible=v;hoop.visible=v;}},set culled(c){arrow.culled=arrowHandle.culled=shaft.culled=shaftHandle.culled=curve.culled=rotateHandle.culled=arrow1.culled=arrow2.culled=c;if(!c){bigArrowHead.culled=c;hoop.culled=c;}}};};this._displayMeshes=[// Meshes that are always visible
+alphaMode:"blend"});var handlers={};var addAxis=function addAxis(rgb,axisDirection,hoopDirection){var material=colorMaterial(rgb);var rotateToHorizontal=math.rotationMat4v(270*math.DEGTORAD,[1,0,0],math.identityMat4());var hoopRotation=math.quaternionToRotationMat4(math.vec3PairToQuaternion([0,1,0],hoopDirection),math.identityMat4());var hoopMatrix=math.mulMat4(hoopRotation,rotateToHorizontal,math.identityMat4());var scale=math.scaleMat4v([0.6,0.6,0.6],math.identityMat4());var scaledArrowMatrix=function scaledArrowMatrix(t,matR){var matT=math.translateMat4v(t,math.identityMat4());var ret=math.identityMat4();math.mulMat4(matT,matR,ret);math.mulMat4(hoopMatrix,ret,ret);return math.mulMat4(ret,scale,math.identityMat4());};var curve=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.curve,material:material,matrix:hoopMatrix,pickable:false,collidable:true,clippable:false,backfaces:true,visible:false,isObject:false}),NO_STATE_INHERIT);var rotateHandle=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.curveHandle,material:pickableMaterial,matrix:hoopMatrix,pickable:true,collidable:true,clippable:false,backfaces:true,visible:false,isObject:false}),NO_STATE_INHERIT);var arrow1=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHead,material:material,matrix:scaledArrowMatrix([.8,.07,0],math.rotationMat4v(180*math.DEGTORAD,[0,0,1],math.identityMat4())),pickable:true,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var arrow2=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHead,material:material,matrix:scaledArrowMatrix([.07,.8,0],math.rotationMat4v(90*math.DEGTORAD,[0,0,1],math.identityMat4())),pickable:true,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var hoop=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.hoop,material:material,highlighted:true,highlightMaterial:highlightMaterial(rgb,0.6),matrix:hoopMatrix,pickable:false,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var axisRotation=math.quaternionToRotationMat4(math.vec3PairToQuaternion([0,1,0],axisDirection),math.identityMat4());var translatedAxisMatrix=function translatedAxisMatrix(yOffset){return math.mulMat4(axisRotation,math.translateMat4c(0,yOffset,0,math.identityMat4()),math.identityMat4());};var arrowMatrix=translatedAxisMatrix(arrowLength+.1);var shaftMatrix=translatedAxisMatrix(arrowLength/2);var arrow=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHead,material:material,matrix:arrowMatrix,pickable:false,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var arrowHandle=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHeadHandle,material:pickableMaterial,matrix:arrowMatrix,pickable:true,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var shaft=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.axis,material:material,matrix:shaftMatrix,pickable:false,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var shaftHandle=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.axisHandle,material:pickableMaterial,matrix:shaftMatrix,pickable:true,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var bigArrowHead=rootNode.addChild(new Mesh(rootNode,{geometry:shapes.arrowHeadBig,material:material,matrix:arrowMatrix,pickable:false,collidable:true,clippable:false,visible:false,isObject:false}),NO_STATE_INHERIT);var localToWorldVec=function localToWorldVec(localVec,worldVec){return math.vec3ApplyQuaternion(rootNode.quaternion,localVec,worldVec);};var closestPointOnAxis=function(){var worldAxis=math.vec3();var org=math.vec3();var dir=math.vec3();return function(canvasPos,dst){localToWorldVec(rgb,worldAxis);var P=pos;var D=worldAxis;math.canvasPosToWorldRay(canvas,scene.camera.viewMatrix,scene.camera.projMatrix,scene.camera.projection,canvasPos,org,dir);var d01=math.dotVec3(D,dir);var v=math.subVec3(org,P,dst);var v0=math.dotVec3(v,D);var v1=math.dotVec3(v,dir);var det=1-d01*d01;if(Math.abs(det)>1e-10){// if lines are not parallel
+var _s2=(v0-d01*v1)/det;math.addVec3(P,math.mulVec3Scalar(D,_s2,dst),dst);return true;}else{return false;}};}();var initOffset=math.vec3();var tempVec3=math.vec3();handlers[arrowHandle.id]=handlers[shaftHandle.id]={setActivated:function setActivated(a){return bigArrowHead.visible=a;},initDragAction:function initDragAction(initCanvasPos){return closestPointOnAxis(initCanvasPos,initOffset)&&math.subVec3(initOffset,pos,initOffset)&&function(canvasPos){if(closestPointOnAxis(canvasPos,tempVec3)){math.subVec3(tempVec3,initOffset,tempVec3);setPos(tempVec3);if(_this141._sectionPlane){_this141._sectionPlane.pos=tempVec3;}}};}};handlers[rotateHandle.id]={setActivated:function setActivated(a){return hoop.visible=a;},initDragAction:function initDragAction(initCanvasPos){var rotationFromCanvasPos=function(){var planeCanvasPos=camera.projectWorldPos(pos);localToWorldVec(rgb,tempVec3);math.transformVec3(camera.normalMatrix,tempVec3,tempVec3);var axisCoeff=Math.sign(tempVec3[2]);return function(canvasPos){var dx=canvasPos[0]-planeCanvasPos[0];var dy=canvasPos[1]-planeCanvasPos[1];return axisCoeff*Math.atan2(-dy,dx);};}();var lastRotation=rotationFromCanvasPos(initCanvasPos);return function(canvasPos){var rotation=rotationFromCanvasPos(canvasPos);rootNode.rotate(rgb,(rotation-lastRotation)*180/Math.PI);if(_this141._sectionPlane){ignoreNextSectionPlaneDirUpdate=true;_this141._sectionPlane.dir=math.vec3ApplyQuaternion(rootNode.quaternion,[0,0,1],tempVec3);}lastRotation=rotation;};}};return{set visible(v){arrow.visible=arrowHandle.visible=shaft.visible=shaftHandle.visible=curve.visible=rotateHandle.visible=arrow1.visible=arrow2.visible=v;if(!v){bigArrowHead.visible=v;hoop.visible=v;}},set culled(c){arrow.culled=arrowHandle.culled=shaft.culled=shaftHandle.culled=curve.culled=rotateHandle.culled=arrow1.culled=arrow2.culled=c;if(!c){bigArrowHead.culled=c;hoop.culled=c;}}};};this._displayMeshes=[// Meshes that are always visible
 rootNode.addChild(new Mesh(rootNode,{// plane
 geometry:new ReadableGeometry(rootNode,{primitive:"triangles",positions:[0.5,0.5,0.0,0.5,-0.5,0.0,// 0
 -0.5,-0.5,0.0,-0.5,0.5,0.0,// 1
@@ -25934,15 +25929,7 @@ geometry:new ReadableGeometry(rootNode,buildSphereGeometry({radius:0.05})),mater
 //
 //----------------------------------------------------------------------------------------------------------
 addAxis([1,0,0],[1,0,0],[1,0,0]),addAxis([0,1,0],[0,-1,0],[0,1,0]),addAxis([0,0,1],[0,0,-1],[0,0,-1])];var cleanups=[];{// Keep gizmo screen size constant
-var lastDist=-1;var setRootNodeScale=function setRootNodeScale(size){return rootNode.scale=[size,size,size];};var onSceneTick=scene.on("tick",function(){var dist=Math.abs(math.distVec3(camera.eye,pos));if(camera.projection==="perspective"){if(dist!==lastDist){setRootNodeScale(0.07*dist*Math.tan(camera.perspective.fov*math.DEGTORAD));}}else if(camera.projection==="ortho"){setRootNodeScale(camera.ortho.scale/10);}lastDist=dist;});cleanups.push(function(){return scene.off(onSceneTick);});}var localToWorldVec=function(){var mat=math.mat4();return function(localVec,worldVec){math.quaternionToMat4(rootNode.quaternion,mat);math.transformVec3(mat,localVec,worldVec);math.normalizeVec3(worldVec);return worldVec;};}();var getTranslationPlane=function getTranslationPlane(worldAxis,planeNormal){var absX=Math.abs(worldAxis[0]);if(absX>Math.abs(worldAxis[1])&&absX>Math.abs(worldAxis[2])){math.cross3Vec3(worldAxis,[0,1,0],planeNormal);}else{math.cross3Vec3(worldAxis,[1,0,0],planeNormal);}math.cross3Vec3(planeNormal,worldAxis,planeNormal);math.normalizeVec3(planeNormal);};var self=this;var dragRotateSectionPlane=function(){var p1=math.vec4();var p2=math.vec4();var c=math.vec4();var worldAxis=math.vec4();var dir=math.vec3();var mat=math.mat4();var planeNormal=math.vec3();return function(baseAxis,fromMouse,toMouse){localToWorldVec(baseAxis,worldAxis);var hasData=getPointerPlaneIntersect(fromMouse,worldAxis,p1)&&getPointerPlaneIntersect(toMouse,worldAxis,p2);if(!hasData){// Find intersections with view plane and project down to origin
-getTranslationPlane(worldAxis,planeNormal);getPointerPlaneIntersect(fromMouse,planeNormal,p1,1);// Ensure plane moves closer to camera so angles become workable
-getPointerPlaneIntersect(toMouse,planeNormal,p2,1);var dot=math.dotVec3(p1,worldAxis);p1[0]-=dot*worldAxis[0];p1[1]-=dot*worldAxis[1];p1[2]-=dot*worldAxis[2];dot=math.dotVec3(p2,worldAxis);p2[0]-=dot*worldAxis[0];p2[1]-=dot*worldAxis[1];p2[2]-=dot*worldAxis[2];}math.normalizeVec3(p1);math.normalizeVec3(p2);dot=math.dotVec3(p1,p2);dot=math.clamp(dot,-1.0,1.0);// Rounding errors cause dot to exceed allowed range
-var incDegrees=Math.acos(dot)*math.RADTODEG;math.cross3Vec3(p1,p2,c);if(math.dotVec3(c,worldAxis)<0.0){incDegrees=-incDegrees;}rootNode.rotate(baseAxis,incDegrees);if(self._sectionPlane){math.quaternionToMat4(rootNode.quaternion,mat);// << ---
-math.transformVec3(mat,[0,0,1],dir);ignoreNextSectionPlaneDirUpdate=true;self._sectionPlane.dir=dir;}};}();var getPointerPlaneIntersect=function(){var dir=math.vec4([0,0,0,1]);var matrix=math.mat4();return function(mouse,axis,dest,offset){offset=offset||0;dir[0]=mouse[0]/canvas.width*2.0-1.0;dir[1]=-(mouse[1]/canvas.height*2.0-1.0);dir[2]=0.0;dir[3]=1.0;math.mulMat4(camera.projMatrix,camera.viewMatrix,matrix);// Unproject norm device coords to view coords
-math.inverseMat4(matrix);math.transformVec4(matrix,dir,dir);math.mulVec4Scalar(dir,1.0/dir[3]);// This is now point A on the ray in world space
-var rayO=camera.eye;// The direction
-math.subVec4(dir,rayO,dir);var origin=self._sectionPlane.pos;// Plane origin:
-var d=-math.dotVec3(origin,axis)-offset;var dot=math.dotVec3(axis,dir);if(Math.abs(dot)>0.005){var t=-(math.dotVec3(axis,rayO)+d)/dot;math.mulVec3Scalar(dir,t,dest);math.addVec3(dest,rayO);math.subVec3(dest,origin,dest);return true;}return false;};}();{var deactivateActive=null;var currentDrag=null;cleanups.push(function(){if(currentDrag){currentDrag.cleanup();}});var _canvasPos3=math.vec2();var copyCanvasPos=function copyCanvasPos(event,vec2){vec2[0]=event.clientX;vec2[1]=event.clientY;transformToNode(canvas.ownerDocument.documentElement,canvas,vec2);};var pickHandler=function pickHandler(e){copyCanvasPos(e,_canvasPos3);var pickResult=viewer.scene.pick({canvasPos:_canvasPos3});var pickEntity=pickResult&&pickResult.entity;var pickId=pickEntity&&pickEntity.id;return pickId in handlers&&handlers[pickId];};var startDrag=function startDrag(event,matchesEvent){var handler=pickHandler(matchesEvent(event));if(handler){if(currentDrag){currentDrag.cleanup();}var dragAction=handler.initDragAction(_canvasPos3);if(dragAction){cameraControl.pointerEnabled=false;// or .active = false ?
+var lastDist=-1;var setRootNodeScale=function setRootNodeScale(size){return rootNode.scale=[size,size,size];};var onSceneTick=scene.on("tick",function(){var dist=Math.abs(math.distVec3(camera.eye,pos));if(camera.projection==="perspective"){if(dist!==lastDist){setRootNodeScale(0.07*dist*Math.tan(camera.perspective.fov*math.DEGTORAD));}}else if(camera.projection==="ortho"){setRootNodeScale(camera.ortho.scale/10);}lastDist=dist;});cleanups.push(function(){return scene.off(onSceneTick);});}{var deactivateActive=null;var currentDrag=null;cleanups.push(function(){if(currentDrag){currentDrag.cleanup();}});var _canvasPos3=math.vec2();var copyCanvasPos=function copyCanvasPos(event,vec2){vec2[0]=event.clientX;vec2[1]=event.clientY;transformToNode(canvas.ownerDocument.documentElement,canvas,vec2);};var pickHandler=function pickHandler(e){copyCanvasPos(e,_canvasPos3);var pickResult=viewer.scene.pick({canvasPos:_canvasPos3});var pickEntity=pickResult&&pickResult.entity;var pickId=pickEntity&&pickEntity.id;return pickId in handlers&&handlers[pickId];};var startDrag=function startDrag(event,matchesEvent){var handler=pickHandler(matchesEvent(event));if(handler){if(currentDrag){currentDrag.cleanup();}var dragAction=handler.initDragAction(_canvasPos3);if(dragAction){cameraControl.pointerEnabled=false;// or .active = false ?
 handler.setActivated(true);currentDrag={onChange:function onChange(event){var e=matchesEvent(event);if(e){copyCanvasPos(e,_canvasPos3);dragAction(_canvasPos3);}},cleanup:function cleanup(){currentDrag=null;cameraControl.pointerEnabled=true;// or .active = true ?
 handler.setActivated(false);}};}}};var addCanvasEventListener=function addCanvasEventListener(type,listener){canvas.addEventListener(type,listener);cleanups.push(function(){return canvas.removeEventListener(type,listener);});};addCanvasEventListener("mousedown",function(e){e.preventDefault();if(e.which===1){startDrag(e,function(event){return event.which===1&&event;});}});addCanvasEventListener("mousemove",function(e){if(currentDrag){currentDrag.onChange(e);}else{if(deactivateActive){deactivateActive();}var handler=pickHandler(e);if(handler){handler.setActivated(true);deactivateActive=function deactivateActive(){return handler.setActivated(false);};}else{deactivateActive=null;}}});addCanvasEventListener("mouseup",function(e){if(currentDrag){currentDrag.onChange(e);currentDrag.cleanup();}});addCanvasEventListener("touchstart",function(event){event.preventDefault();if(event.touches.length===1){var touchStartId=event.touches[0].identifier;startDrag(event,function(event){return _toConsumableArray(event.changedTouches).find(function(e){return e.identifier===touchStartId;});});}});addCanvasEventListener("touchmove",function(event){event.preventDefault();currentDrag&&currentDrag.onChange(event);});addCanvasEventListener("touchend",function(event){event.preventDefault();if(currentDrag){currentDrag.onChange(event);currentDrag.cleanup();}});}this._unbindSectionPlane=function(){};this.__setSectionPlane=function(sectionPlane){_this141.id=sectionPlane.id;_this141._sectionPlane=sectionPlane;var setPosFromSectionPlane=function setPosFromSectionPlane(){return setPos(sectionPlane.pos);};var setDirFromSectionPlane=function setDirFromSectionPlane(){return rootNode.quaternion=math.vec3PairToQuaternion(zeroVec$1,sectionPlane.dir,quat$1);};setPosFromSectionPlane();setDirFromSectionPlane();var onSectionPlanePos=sectionPlane.on("pos",setPosFromSectionPlane);var onSectionPlaneDir=sectionPlane.on("dir",function(){if(!ignoreNextSectionPlaneDirUpdate){setDirFromSectionPlane();}else{ignoreNextSectionPlaneDirUpdate=false;}});_this141._unbindSectionPlane=function(){_this141.id=null;_this141._sectionPlane=null;sectionPlane.off(onSectionPlanePos);sectionPlane.off(onSectionPlaneDir);_this141._unbindSectionPlane=function(){};};};this.__destroy=function(){cleanups.forEach(function(c){return c();});_this141._unbindSectionPlane();rootNode.destroy();_this141._displayMeshes=[];for(var id in handlers){delete handlers[id];}};}_createClass(Control,[{key:"_destroy",value:function _destroy(){this.__destroy();}/**
      * Called by SectionPlanesPlugin to assign this Control to a SectionPlane.
@@ -26622,7 +26609,7 @@ imagePos[0]=Math.floor(storeyMap.width-(worldPos[0]-xmin)*ratioX);imagePos[1]=Ma
      * Gets Storeys in a list, spatially sorted on the vertical World axis, the lowest Storey first.
      *
      * @returns {null}
-     */},{key:"storeysList",get:function get(){if(!this._storeysList){this._storeysList=Object.values(this.storeys);this._storeysList.sort(this._getSpatialSortFunc());}return this._storeysList;}},{key:"_getSpatialSortFunc",value:function _getSpatialSortFunc(){var _this148=this;var viewer=this.viewer;var scene=viewer.scene;var camera=scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(storey1,storey2){var idx=0;if(camera.xUp){idx=0;}else if(camera.yUp){idx=1;}else{idx=2;}var metaScene=_this148.viewer.metaScene;var storey1MetaObject=metaScene.metaObjects[storey1.storeyId];var storey2MetaObject=metaScene.metaObjects[storey2.storeyId];if(storey1MetaObject&&storey1MetaObject.attributes&&storey1MetaObject.attributes.elevation!==undefined&&storey2MetaObject&&storey2MetaObject.attributes&&storey2MetaObject.attributes.elevation!==undefined){var elevation1=Number.parseFloat(storey1MetaObject.attributes.elevation);var elevation2=Number.parseFloat(storey2MetaObject.attributes.elevation);if(elevation1>elevation2){return-1;}if(elevation1<elevation2){return 1;}return 0;}else{if(storey1.aabb[idx]>storey2.aabb[idx]){return-1;}if(storey1.aabb[idx]<storey2.aabb[idx]){return 1;}return 0;}});}},{key:"_filterStoreys",value:function _filterStoreys(modelId){return Object.fromEntries(Object.entries(this.storeys).filter(function(_ref21){var _ref22=_slicedToArray(_ref21,2),_=_ref22[0],value=_ref22[1];return value.modelId===modelId;}));}}]);return StoreyViewsPlugin;}(Plugin);var zeroVec=new Float64Array([0,0,1]);var quat=new Float64Array(4);/**
+     */},{key:"storeysList",get:function get(){if(!this._storeysList){this._storeysList=Object.values(this.storeys);this._storeysList.sort(this._getSpatialSortFunc());}return this._storeysList;}},{key:"_getSpatialSortFunc",value:function _getSpatialSortFunc(){var _this148=this;var viewer=this.viewer;var scene=viewer.scene;var camera=scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(storey1,storey2){var idx=0;if(camera.xUp){idx=0;}else if(camera.yUp){idx=1;}else{idx=2;}var metaScene=_this148.viewer.metaScene;var storey1MetaObject=metaScene.metaObjects[storey1.storeyId];var storey2MetaObject=metaScene.metaObjects[storey2.storeyId];if(storey1MetaObject&&storey1MetaObject.attributes&&storey1MetaObject.attributes.elevation!==undefined&&storey2MetaObject&&storey2MetaObject.attributes&&storey2MetaObject.attributes.elevation!==undefined){var elevation1=Number.parseFloat(storey1MetaObject.attributes.elevation);var elevation2=Number.parseFloat(storey2MetaObject.attributes.elevation);if(elevation1>elevation2){return-1;}if(elevation1<elevation2){return 1;}return 0;}else{if(storey1.aabb[idx]>storey2.aabb[idx]){return-1;}if(storey1.aabb[idx]<storey2.aabb[idx]){return 1;}return 0;}});}},{key:"_filterStoreys",value:function _filterStoreys(modelId){return Object.fromEntries(Object.entries(this.storeys).filter(function(_ref23){var _ref24=_slicedToArray(_ref23,2),_=_ref24[0],value=_ref24[1];return value.modelId===modelId;}));}}]);return StoreyViewsPlugin;}(Plugin);var zeroVec=new Float64Array([0,0,1]);var quat=new Float64Array(4);/**
  * Controls a {@link SectionPlane} with mouse and touch input.
  */var FaceAlignedSectionPlanesControl=/*#__PURE__*/function(){/** @private */function FaceAlignedSectionPlanesControl(plugin){_classCallCheck(this,FaceAlignedSectionPlanesControl);/**
          * ID of this FaceAlignedSectionPlanesControl.
@@ -27594,7 +27581,9 @@ addMesh(modelNode,positions,normals,colors,material,options);}function addMesh(m
      * @param {RenderService} [cfg.renderService] Optional {@link RenderService} to use. Defaults to the {@link TreeViewPlugin}'s default {@link RenderService}.
      * @param {Boolean} [cfg.showIndeterminate=false] When true, will show indeterminate state for checkboxes when some but not all child nodes are checked
      * @param {Boolean} [cfg.showProjectNode=false] When true, will show top level project node when hierarchy is set to "storeys"
-     */function TreeViewPlugin(viewer){var _cfg$showIndeterminat,_cfg$showProjectNode;var _this157;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,TreeViewPlugin);_this157=_super166.call(this,"TreeViewPlugin",viewer);/**
+     * @param {Function} [cfg.elevationSortFunction] Optional function to replace the default elevation sort function. The function should take two nodes and return -1, 0 or 1. 
+     * @param {Function} [cfg.defaultSortFunction] Optional function to replace the default sort function. The function should take two nodes and return -1, 0 or 1.
+     */function TreeViewPlugin(viewer){var _cfg$showIndeterminat,_cfg$showProjectNode,_cfg$elevationSortFun,_cfg$defaultSortFunct;var _this157;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,TreeViewPlugin);_this157=_super166.call(this,"TreeViewPlugin",viewer);/**
          * Contains messages for any errors found while last rebuilding this TreeView.
          * @type {String[]}
          */_this157.errors=[];/**
@@ -27603,7 +27592,7 @@ addMesh(modelNode,positions,normals,colors,material,options);}function addMesh(m
          */_this157.valid=true;var containerElement=cfg.containerElement||document.getElementById(cfg.containerElementId);if(!(containerElement instanceof HTMLElement)){_this157.error("Mandatory config expected: valid containerElementId or containerElement");return _possibleConstructorReturn(_this157);}for(var _i538=0;;_i538++){if(!treeViews[_i538]){treeViews[_i538]=_assertThisInitialized(_this157);_this157._index=_i538;_this157._id="tree-".concat(_i538);break;}}_this157._containerElement=containerElement;_this157._metaModels={};_this157._autoAddModels=cfg.autoAddModels!==false;_this157._autoExpandDepth=cfg.autoExpandDepth||0;_this157._sortNodes=cfg.sortNodes!==false;_this157._viewer=viewer;_this157._rootElement=null;_this157._muteSceneEvents=false;_this157._muteTreeEvents=false;_this157._rootNodes=[];_this157._objectNodes={};// Object ID -> Node
 _this157._nodeNodes={};// Node ID -> Node
 _this157._rootNames={};// Node ID -> Root name
-_this157._sortNodes=cfg.sortNodes;_this157._pruneEmptyNodes=cfg.pruneEmptyNodes;_this157._showListItemElementId=null;_this157._renderService=cfg.renderService||new RenderService();_this157._showIndeterminate=(_cfg$showIndeterminat=cfg.showIndeterminate)!==null&&_cfg$showIndeterminat!==void 0?_cfg$showIndeterminat:false;_this157._showProjectNode=(_cfg$showProjectNode=cfg.showProjectNode)!==null&&_cfg$showProjectNode!==void 0?_cfg$showProjectNode:false;if(!_this157._renderService){throw new Error('TreeViewPlugin: no render service set');}_this157._containerElement.oncontextmenu=function(e){e.preventDefault();};_this157._onObjectVisibility=_this157._viewer.scene.on("objectVisibility",function(entity){if(_this157._muteSceneEvents){return;}var objectId=entity.id;var node=_this157._objectNodes[objectId];if(!node){return;// Not in this tree
+_this157._sortNodes=cfg.sortNodes;_this157._pruneEmptyNodes=cfg.pruneEmptyNodes;_this157._showListItemElementId=null;_this157._renderService=cfg.renderService||new RenderService();_this157._showIndeterminate=(_cfg$showIndeterminat=cfg.showIndeterminate)!==null&&_cfg$showIndeterminat!==void 0?_cfg$showIndeterminat:false;_this157._showProjectNode=(_cfg$showProjectNode=cfg.showProjectNode)!==null&&_cfg$showProjectNode!==void 0?_cfg$showProjectNode:false;_this157._elevationSortFunction=(_cfg$elevationSortFun=cfg.elevationSortFunction)!==null&&_cfg$elevationSortFun!==void 0?_cfg$elevationSortFun:undefined;_this157._defaultSortFunction=(_cfg$defaultSortFunct=cfg.defaultSortFunction)!==null&&_cfg$defaultSortFunct!==void 0?_cfg$defaultSortFunct:undefined;if(!_this157._renderService){throw new Error('TreeViewPlugin: no render service set');}_this157._containerElement.oncontextmenu=function(e){e.preventDefault();};_this157._onObjectVisibility=_this157._viewer.scene.on("objectVisibility",function(entity){if(_this157._muteSceneEvents){return;}var objectId=entity.id;var node=_this157._objectNodes[objectId];if(!node){return;// Not in this tree
 }var visible=entity.visible;var updated=visible!==node.checked;if(!updated){return;}_this157._muteTreeEvents=true;node.checked=visible;if(visible){node.numVisibleEntities++;}else{node.numVisibleEntities--;}_this157._renderService.setCheckbox(node.nodeId,visible);var parent=node.parent;while(parent){parent.checked=visible;if(visible){parent.numVisibleEntities++;}else{parent.numVisibleEntities--;}var indeterminate=_this157._showIndeterminate&&parent.numVisibleEntities>0&&parent.numVisibleEntities<parent.numEntities;_this157._renderService.setCheckbox(parent.nodeId,parent.numVisibleEntities>0,indeterminate);parent=parent.parent;}_this157._muteTreeEvents=false;});_this157._onObjectXrayed=_this157._viewer.scene.on('objectXRayed',function(entity){if(_this157._muteSceneEvents){return;}var objectId=entity.id;var node=_this157._objectNodes[objectId];if(!node){return;// Not in this tree
 }_this157._muteTreeEvents=true;var xrayed=entity.xrayed;var updated=xrayed!==node.xrayed;if(!updated){return;}node.xrayed=xrayed;_this157._renderService.setXRayed(node.nodeId,xrayed);_this157._muteTreeEvents=false;});_this157._switchExpandHandler=function(event){event.preventDefault();event.stopPropagation();var switchElement=event.target;_this157._expandSwitchElement(switchElement);};_this157._switchCollapseHandler=function(event){event.preventDefault();event.stopPropagation();var switchElement=event.target;_this157._collapseSwitchElement(switchElement);};_this157._checkboxChangeHandler=function(event){if(_this157._muteTreeEvents){return;}_this157._muteSceneEvents=true;var checkbox=event.target;var visible=_this157._renderService.isChecked(checkbox);var nodeId=_this157._renderService.getIdFromCheckbox(checkbox);var checkedNode=_this157._nodeNodes[nodeId];var objects=_this157._viewer.scene.objects;var numUpdated=0;_this157._withNodeTree(checkedNode,function(node){var objectId=node.objectId;var entity=objects[objectId];var isLeaf=node.children.length===0;node.numVisibleEntities=visible?node.numEntities:0;if(isLeaf&&visible!==node.checked){numUpdated++;}node.checked=visible;_this157._renderService.setCheckbox(node.nodeId,visible);if(entity){entity.visible=visible;}});var parent=checkedNode.parent;while(parent){parent.checked=visible;if(visible){parent.numVisibleEntities+=numUpdated;}else{parent.numVisibleEntities-=numUpdated;}var indeterminate=_this157._showIndeterminate&&parent.numVisibleEntities>0&&parent.numVisibleEntities<parent.numEntities;_this157._renderService.setCheckbox(parent.nodeId,parent.numVisibleEntities>0,indeterminate);parent=parent.parent;}_this157._muteSceneEvents=false;};_this157._hierarchy=cfg.hierarchy||"containment";_this157._autoExpandDepth=cfg.autoExpandDepth||0;if(_this157._autoAddModels){var modelIds=Object.keys(_this157.viewer.metaScene.metaModels);for(var _i539=0,len=modelIds.length;_i539<len;_i539++){var modelId=modelIds[_i539];var metaModel=_this157.viewer.metaScene.metaModels[modelId];if(metaModel.finalized){_this157.addModel(modelId);}}_this157.viewer.scene.on("modelLoaded",function(modelId){if(_this157.viewer.metaScene.metaModels[modelId]){_this157.addModel(modelId);}});}_this157.hierarchy=cfg.hierarchy;return _this157;}/**
      * Sets how the nodes are organized within this tree view.
@@ -27708,7 +27697,7 @@ _this157._sortNodes=cfg.sortNodes;_this157._pruneEmptyNodes=cfg.pruneEmptyNodes;
 //         // errors.push("Can't build storeys hierarchy: no IfcBuildingStoreys found");
 //     }
 // }
-return true;}},{key:"_createEnabledNodes",value:function _createEnabledNodes(){if(this._pruneEmptyNodes){this._findEmptyNodes();}switch(this._hierarchy){case"storeys":this._createStoreysNodes();if(this._rootNodes.length===0){this.error("Failed to build storeys hierarchy");}break;case"types":this._createTypesNodes();break;case"containment":default:this._createContainmentNodes();}if(this._sortNodes){this._doSortNodes();}this._synchNodesToEntities();this._createTrees();this.expandToDepth(this._autoExpandDepth);}},{key:"_createDisabledNodes",value:function _createDisabledNodes(){var rootNode=this._renderService.createRootNode();this._rootElement=rootNode;this._containerElement.appendChild(rootNode);var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var objectId in rootMetaObjects){var rootMetaObject=rootMetaObjects[objectId];var metaObjectType=rootMetaObject.type;var metaObjectName=rootMetaObject.name;var rootName=metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType;var childNode=this._renderService.createDisabledNodeElement(rootName);rootNode.appendChild(childNode);}}},{key:"_findEmptyNodes",value:function _findEmptyNodes(){var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var objectId in rootMetaObjects){this._findEmptyNodes2(rootMetaObjects[objectId]);}}},{key:"_findEmptyNodes2",value:function _findEmptyNodes2(metaObject){var countEntities=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var viewer=this.viewer;var scene=viewer.scene;var children=metaObject.children;var objectId=metaObject.id;var entity=scene.objects[objectId];metaObject._countEntities=0;if(entity){metaObject._countEntities++;}if(children){for(var _i544=0,len=children.length;_i544<len;_i544++){var childMetaObject=children[_i544];childMetaObject._countEntities=this._findEmptyNodes2(childMetaObject);metaObject._countEntities+=childMetaObject._countEntities;}}return metaObject._countEntities;}},{key:"_createStoreysNodes",value:function _createStoreysNodes(){var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var id in rootMetaObjects){this._createStoreysNodes2(rootMetaObjects[id],null,null,null,null);}}},{key:"_createStoreysNodes2",value:function _createStoreysNodes2(metaObject,projectNode,buildingNode,storeyNode,typeNodes){if(this._pruneEmptyNodes&&metaObject._countEntities===0){return;}var metaObjectType=metaObject.type;var metaObjectName=metaObject.name;var children=metaObject.children;var objectId=metaObject.id;if(this._showProjectNode&&metaObjectType==='IfcProject'){projectNode={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObject.metaModels.length===0?metaObjectName:this._rootNames[metaObject.metaModels[0].id]||(metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType),type:metaObjectType,parent:null,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};this._rootNodes.push(projectNode);this._objectNodes[projectNode.objectId]=projectNode;this._nodeNodes[projectNode.nodeId]=projectNode;}else if(metaObjectType==="IfcBuilding"){buildingNode={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObject.metaModels.length===0?metaObjectName:this._rootNames[metaObject.metaModels[0].id]||(metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType),type:metaObjectType,parent:projectNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};if(projectNode){projectNode.children.push(buildingNode);}else{this._rootNodes.push(buildingNode);}this._objectNodes[buildingNode.objectId]=buildingNode;this._nodeNodes[buildingNode.nodeId]=buildingNode;}else if(metaObjectType==="IfcBuildingStorey"){if(!buildingNode){this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");return;}storeyNode={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType,type:metaObjectType,parent:buildingNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};buildingNode.children.push(storeyNode);this._objectNodes[storeyNode.objectId]=storeyNode;this._nodeNodes[storeyNode.nodeId]=storeyNode;typeNodes={};}else{if(storeyNode){var objects=this._viewer.scene.objects;var object=objects[objectId];if(object){typeNodes=typeNodes||{};var typeNode=typeNodes[metaObjectType];if(!typeNode){typeNode={nodeId:"".concat(this._id,"-").concat(storeyNode.objectId,"-").concat(metaObjectType),objectId:"".concat(storeyNode.objectId,"-").concat(metaObjectType),title:metaObjectType,type:metaObjectType,parent:storeyNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};storeyNode.children.push(typeNode);this._objectNodes[typeNode.objectId]=typeNode;this._nodeNodes[typeNode.nodeId]=typeNode;typeNodes[metaObjectType]=typeNode;}var _node6={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType,type:metaObjectType,parent:typeNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};typeNode.children.push(_node6);this._objectNodes[_node6.objectId]=_node6;this._nodeNodes[_node6.nodeId]=_node6;}}}if(children){for(var _i545=0,len=children.length;_i545<len;_i545++){var childMetaObject=children[_i545];this._createStoreysNodes2(childMetaObject,projectNode,buildingNode,storeyNode,typeNodes);}}}},{key:"_createTypesNodes",value:function _createTypesNodes(){var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var id in rootMetaObjects){this._createTypesNodes2(rootMetaObjects[id],null,null);}}},{key:"_createTypesNodes2",value:function _createTypesNodes2(metaObject,rootNode,typeNodes){if(this._pruneEmptyNodes&&metaObject._countEntities===0){return;}var metaObjectType=metaObject.type;var metaObjectName=metaObject.name;var children=metaObject.children;var objectId=metaObject.id;if(!metaObject.parent){rootNode={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObject.metaModels.length===0?metaObjectName:this._rootNames[metaObject.metaModels[0].id]||(metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType),type:metaObjectType,parent:null,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};this._rootNodes.push(rootNode);this._objectNodes[rootNode.objectId]=rootNode;this._nodeNodes[rootNode.nodeId]=rootNode;typeNodes={};}else{if(rootNode){var objects=this._viewer.scene.objects;var object=objects[objectId];if(object){var typeNode=typeNodes[metaObjectType];if(!typeNode){typeNode={nodeId:"".concat(this._id,"-").concat(rootNode.objectId,"-").concat(metaObjectType),objectId:"".concat(rootNode.objectId,"-").concat(metaObjectType),title:metaObjectType,type:metaObjectType,parent:rootNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};rootNode.children.push(typeNode);this._objectNodes[typeNode.objectId]=typeNode;this._nodeNodes[typeNode.nodeId]=typeNode;typeNodes[metaObjectType]=typeNode;}var _node7={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObjectName&&metaObjectName!==""&&metaObjectName!=="Default"?metaObjectName:metaObjectType,type:metaObjectType,parent:typeNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};typeNode.children.push(_node7);this._objectNodes[_node7.objectId]=_node7;this._nodeNodes[_node7.nodeId]=_node7;}}}if(children){for(var _i546=0,len=children.length;_i546<len;_i546++){var childMetaObject=children[_i546];this._createTypesNodes2(childMetaObject,rootNode,typeNodes);}}}},{key:"_createContainmentNodes",value:function _createContainmentNodes(){var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var id in rootMetaObjects){this._createContainmentNodes2(rootMetaObjects[id],null);}}},{key:"_createContainmentNodes2",value:function _createContainmentNodes2(metaObject,parent){if(this._pruneEmptyNodes&&metaObject._countEntities===0){return;}var metaObjectType=metaObject.type;var metaObjectName=metaObject.name||metaObjectType;var children=metaObject.children;var objectId=metaObject.id;var node={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:!parent?metaObject.metaModels.length===0?metaObjectName:this._rootNames[metaObject.metaModels[0].id]||metaObjectName:metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType,type:metaObjectType,parent:parent,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};if(parent){parent.children.push(node);}else{this._rootNodes.push(node);}this._objectNodes[node.objectId]=node;this._nodeNodes[node.nodeId]=node;if(children){for(var _i547=0,len=children.length;_i547<len;_i547++){var childMetaObject=children[_i547];this._createContainmentNodes2(childMetaObject,node);}}}},{key:"_doSortNodes",value:function _doSortNodes(){for(var _i548=0,len=this._rootNodes.length;_i548<len;_i548++){var rootNode=this._rootNodes[_i548];this._sortChildren(rootNode);}}},{key:"_sortChildren",value:function _sortChildren(node){var children=node.children;if(!children||children.length===0){return;}var firstChild=children[0];if((this._hierarchy==="storeys"||this._hierarchy==="containment")&&firstChild.type==="IfcBuildingStorey"){children.sort(this._getSpatialSortFunc());}else{children.sort(this._alphaSortFunc);}for(var _i549=0,len=children.length;_i549<len;_i549++){var _node8=children[_i549];this._sortChildren(_node8);}}},{key:"_getSpatialSortFunc",value:function _getSpatialSortFunc(){var _this160=this;var viewer=this.viewer;var scene=viewer.scene;var camera=scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(storey1,storey2){if(camera.xUp);else if(camera.yUp);else;var metaScene=_this160.viewer.metaScene;var storey1MetaObject=metaScene.metaObjects[storey1.objectId];var storey2MetaObject=metaScene.metaObjects[storey2.objectId];if(storey1MetaObject&&storey1MetaObject.attributes&&storey1MetaObject.attributes.elevation!==undefined&&storey2MetaObject&&storey2MetaObject.attributes&&storey2MetaObject.attributes.elevation!==undefined){var elevation1=Number.parseFloat(storey1MetaObject.attributes.elevation);var elevation2=Number.parseFloat(storey2MetaObject.attributes.elevation);if(elevation1>elevation2){return-1;}if(elevation1<elevation2){return 1;}return 0;}else{return 0;}});}},{key:"_alphaSortFunc",value:function _alphaSortFunc(node1,node2){var title1=node1.title.toUpperCase();// FIXME: Should be case sensitive?
+return true;}},{key:"_createEnabledNodes",value:function _createEnabledNodes(){if(this._pruneEmptyNodes){this._findEmptyNodes();}switch(this._hierarchy){case"storeys":this._createStoreysNodes();if(this._rootNodes.length===0){this.error("Failed to build storeys hierarchy");}break;case"types":this._createTypesNodes();break;case"containment":default:this._createContainmentNodes();}if(this._sortNodes){this._doSortNodes();}this._synchNodesToEntities();this._createTrees();this.expandToDepth(this._autoExpandDepth);}},{key:"_createDisabledNodes",value:function _createDisabledNodes(){var rootNode=this._renderService.createRootNode();this._rootElement=rootNode;this._containerElement.appendChild(rootNode);var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var objectId in rootMetaObjects){var rootMetaObject=rootMetaObjects[objectId];var metaObjectType=rootMetaObject.type;var metaObjectName=rootMetaObject.name;var rootName=metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType;var childNode=this._renderService.createDisabledNodeElement(rootName);rootNode.appendChild(childNode);}}},{key:"_findEmptyNodes",value:function _findEmptyNodes(){var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var objectId in rootMetaObjects){this._findEmptyNodes2(rootMetaObjects[objectId]);}}},{key:"_findEmptyNodes2",value:function _findEmptyNodes2(metaObject){var countEntities=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var viewer=this.viewer;var scene=viewer.scene;var children=metaObject.children;var objectId=metaObject.id;var entity=scene.objects[objectId];metaObject._countEntities=0;if(entity){metaObject._countEntities++;}if(children){for(var _i544=0,len=children.length;_i544<len;_i544++){var childMetaObject=children[_i544];childMetaObject._countEntities=this._findEmptyNodes2(childMetaObject);metaObject._countEntities+=childMetaObject._countEntities;}}return metaObject._countEntities;}},{key:"_createStoreysNodes",value:function _createStoreysNodes(){var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var id in rootMetaObjects){this._createStoreysNodes2(rootMetaObjects[id],null,null,null,null);}}},{key:"_createStoreysNodes2",value:function _createStoreysNodes2(metaObject,projectNode,buildingNode,storeyNode,typeNodes){if(this._pruneEmptyNodes&&metaObject._countEntities===0){return;}var metaObjectType=metaObject.type;var metaObjectName=metaObject.name;var children=metaObject.children;var objectId=metaObject.id;if(this._showProjectNode&&metaObjectType==='IfcProject'){projectNode={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObject.metaModels.length===0?metaObjectName:this._rootNames[metaObject.metaModels[0].id]||(metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType),type:metaObjectType,parent:null,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};this._rootNodes.push(projectNode);this._objectNodes[projectNode.objectId]=projectNode;this._nodeNodes[projectNode.nodeId]=projectNode;}else if(metaObjectType==="IfcBuilding"){buildingNode={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObject.metaModels.length===0?metaObjectName:this._rootNames[metaObject.metaModels[0].id]||(metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType),type:metaObjectType,parent:projectNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};if(projectNode){projectNode.children.push(buildingNode);}else{this._rootNodes.push(buildingNode);}this._objectNodes[buildingNode.objectId]=buildingNode;this._nodeNodes[buildingNode.nodeId]=buildingNode;}else if(metaObjectType==="IfcBuildingStorey"){if(!buildingNode){this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");return;}storeyNode={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType,type:metaObjectType,parent:buildingNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};buildingNode.children.push(storeyNode);this._objectNodes[storeyNode.objectId]=storeyNode;this._nodeNodes[storeyNode.nodeId]=storeyNode;typeNodes={};}else{if(storeyNode){var objects=this._viewer.scene.objects;var object=objects[objectId];if(object){typeNodes=typeNodes||{};var typeNode=typeNodes[metaObjectType];if(!typeNode){typeNode={nodeId:"".concat(this._id,"-").concat(storeyNode.objectId,"-").concat(metaObjectType),objectId:"".concat(storeyNode.objectId,"-").concat(metaObjectType),title:metaObjectType,type:metaObjectType,parent:storeyNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};storeyNode.children.push(typeNode);this._objectNodes[typeNode.objectId]=typeNode;this._nodeNodes[typeNode.nodeId]=typeNode;typeNodes[metaObjectType]=typeNode;}var _node6={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType,type:metaObjectType,parent:typeNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};typeNode.children.push(_node6);this._objectNodes[_node6.objectId]=_node6;this._nodeNodes[_node6.nodeId]=_node6;}}}if(children){for(var _i545=0,len=children.length;_i545<len;_i545++){var childMetaObject=children[_i545];this._createStoreysNodes2(childMetaObject,projectNode,buildingNode,storeyNode,typeNodes);}}}},{key:"_createTypesNodes",value:function _createTypesNodes(){var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var id in rootMetaObjects){this._createTypesNodes2(rootMetaObjects[id],null,null);}}},{key:"_createTypesNodes2",value:function _createTypesNodes2(metaObject,rootNode,typeNodes){if(this._pruneEmptyNodes&&metaObject._countEntities===0){return;}var metaObjectType=metaObject.type;var metaObjectName=metaObject.name;var children=metaObject.children;var objectId=metaObject.id;if(!metaObject.parent){rootNode={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObject.metaModels.length===0?metaObjectName:this._rootNames[metaObject.metaModels[0].id]||(metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType),type:metaObjectType,parent:null,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};this._rootNodes.push(rootNode);this._objectNodes[rootNode.objectId]=rootNode;this._nodeNodes[rootNode.nodeId]=rootNode;typeNodes={};}else{if(rootNode){var objects=this._viewer.scene.objects;var object=objects[objectId];if(object){var typeNode=typeNodes[metaObjectType];if(!typeNode){typeNode={nodeId:"".concat(this._id,"-").concat(rootNode.objectId,"-").concat(metaObjectType),objectId:"".concat(rootNode.objectId,"-").concat(metaObjectType),title:metaObjectType,type:metaObjectType,parent:rootNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};rootNode.children.push(typeNode);this._objectNodes[typeNode.objectId]=typeNode;this._nodeNodes[typeNode.nodeId]=typeNode;typeNodes[metaObjectType]=typeNode;}var _node7={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:metaObjectName&&metaObjectName!==""&&metaObjectName!=="Default"?metaObjectName:metaObjectType,type:metaObjectType,parent:typeNode,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};typeNode.children.push(_node7);this._objectNodes[_node7.objectId]=_node7;this._nodeNodes[_node7.nodeId]=_node7;}}}if(children){for(var _i546=0,len=children.length;_i546<len;_i546++){var childMetaObject=children[_i546];this._createTypesNodes2(childMetaObject,rootNode,typeNodes);}}}},{key:"_createContainmentNodes",value:function _createContainmentNodes(){var rootMetaObjects=this._viewer.metaScene.rootMetaObjects;for(var id in rootMetaObjects){this._createContainmentNodes2(rootMetaObjects[id],null);}}},{key:"_createContainmentNodes2",value:function _createContainmentNodes2(metaObject,parent){if(this._pruneEmptyNodes&&metaObject._countEntities===0){return;}var metaObjectType=metaObject.type;var metaObjectName=metaObject.name||metaObjectType;var children=metaObject.children;var objectId=metaObject.id;var node={nodeId:"".concat(this._id,"-").concat(objectId),objectId:objectId,title:!parent?metaObject.metaModels.length===0?metaObjectName:this._rootNames[metaObject.metaModels[0].id]||metaObjectName:metaObjectName&&metaObjectName!==""&&metaObjectName!=="Undefined"&&metaObjectName!=="Default"?metaObjectName:metaObjectType,type:metaObjectType,parent:parent,numEntities:0,numVisibleEntities:0,checked:false,xrayed:false,children:[]};if(parent){parent.children.push(node);}else{this._rootNodes.push(node);}this._objectNodes[node.objectId]=node;this._nodeNodes[node.nodeId]=node;if(children){for(var _i547=0,len=children.length;_i547<len;_i547++){var childMetaObject=children[_i547];this._createContainmentNodes2(childMetaObject,node);}}}},{key:"_doSortNodes",value:function _doSortNodes(){for(var _i548=0,len=this._rootNodes.length;_i548<len;_i548++){var rootNode=this._rootNodes[_i548];this._sortChildren(rootNode);}}},{key:"_sortChildren",value:function _sortChildren(node){var children=node.children;if(!children||children.length===0){return;}var firstChild=children[0];if((this._hierarchy==="storeys"||this._hierarchy==="containment")&&firstChild.type==="IfcBuildingStorey"){if(this._elevationSortFunction)children.sort(this._elevationSortFunction);else children.sort(this._getSpatialSortFunc());}else{if(this._defaultSortFunction)children.sort(this._defaultSortFunction);else children.sort(this._alphaSortFunc);}for(var _i549=0,len=children.length;_i549<len;_i549++){var _node8=children[_i549];this._sortChildren(_node8);}}},{key:"_getSpatialSortFunc",value:function _getSpatialSortFunc(){var _this160=this;var viewer=this.viewer;var scene=viewer.scene;var camera=scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(storey1,storey2){if(camera.xUp);else if(camera.yUp);else;var metaScene=_this160.viewer.metaScene;var storey1MetaObject=metaScene.metaObjects[storey1.objectId];var storey2MetaObject=metaScene.metaObjects[storey2.objectId];if(storey1MetaObject&&storey1MetaObject.attributes&&storey1MetaObject.attributes.elevation!==undefined&&storey2MetaObject&&storey2MetaObject.attributes&&storey2MetaObject.attributes.elevation!==undefined){var elevation1=Number.parseFloat(storey1MetaObject.attributes.elevation);var elevation2=Number.parseFloat(storey2MetaObject.attributes.elevation);if(elevation1>elevation2){return-1;}if(elevation1<elevation2){return 1;}return 0;}else{return 0;}});}},{key:"_alphaSortFunc",value:function _alphaSortFunc(node1,node2){var title1=node1.title.toUpperCase();// FIXME: Should be case sensitive?
 var title2=node2.title.toUpperCase();if(title1<title2){return-1;}if(title1>title2){return 1;}return 0;}},{key:"_synchNodesToEntities",value:function _synchNodesToEntities(){var objectIds=Object.keys(this.viewer.metaScene.metaObjects);var metaObjects=this._viewer.metaScene.metaObjects;var objects=this._viewer.scene.objects;for(var _i550=0,len=objectIds.length;_i550<len;_i550++){var objectId=objectIds[_i550];var metaObject=metaObjects[objectId];if(metaObject){var _node9=this._objectNodes[objectId];if(_node9){var entity=objects[objectId];if(entity){var visible=entity.visible;_node9.numEntities=1;_node9.xrayed=entity.xrayed;if(visible){_node9.numVisibleEntities=1;_node9.checked=true;}else{_node9.numVisibleEntities=0;_node9.checked=false;}var parent=_node9.parent;// Synch parents
 while(parent){parent.numEntities++;if(visible){parent.numVisibleEntities++;parent.checked=true;}parent=parent.parent;}}}}}}},{key:"_withNodeTree",value:function _withNodeTree(node,callback){callback(node);var children=node.children;if(!children){return;}for(var _i551=0,len=children.length;_i551<len;_i551++){this._withNodeTree(children[_i551],callback);}}},{key:"_createTrees",value:function _createTrees(){var _this161=this;if(this._rootNodes.length===0){return;}var rootNodeElements=this._rootNodes.map(function(rootNode){return _this161._createNodeElement(rootNode);});var rootNode=this._renderService.createRootNode();rootNodeElements.forEach(function(nodeElement){rootNode.appendChild(nodeElement);});this._containerElement.appendChild(rootNode);this._rootElement=rootNode;}},{key:"_createNodeElement",value:function _createNodeElement(node){var _this162=this;var contextmenuHandler=function contextmenuHandler(event){_this162.fire("contextmenu",{event:event,viewer:_this162._viewer,treeViewPlugin:_this162,treeViewNode:node});event.preventDefault();};var onclickHandler=function onclickHandler(event){_this162.fire("nodeTitleClicked",{event:event,viewer:_this162._viewer,treeViewPlugin:_this162,treeViewNode:node});event.preventDefault();};return this._renderService.createNodeElement(node,this._switchExpandHandler,this._checkboxChangeHandler,contextmenuHandler,onclickHandler);}},{key:"_expandSwitchElement",value:function _expandSwitchElement(switchElement){var _this163=this;var expanded=this._renderService.isExpanded(switchElement);if(expanded){return;}var nodeId=this._renderService.getId(switchElement);var nodeElements=this._nodeNodes[nodeId].children.map(function(node){return _this163._createNodeElement(node);});this._renderService.addChildren(switchElement,nodeElements);this._renderService.expand(switchElement,this._switchExpandHandler,this._switchCollapseHandler);}},{key:"_collapseNode",value:function _collapseNode(nodeId){var switchElement=this._renderService.getSwitchElement(nodeId);this._collapseSwitchElement(switchElement);}},{key:"_collapseSwitchElement",value:function _collapseSwitchElement(switchElement){this._renderService.collapse(switchElement,this._switchExpandHandler,this._switchCollapseHandler);}}]);return TreeViewPlugin;}(Plugin);/**
  * For each Entity in its Scene, efficiently combines updates from multiple culling systems into a single "culled" state.
@@ -29663,7 +29652,7 @@ var headerBlockItems=[{item:'FileSignature',format:'char',size:4},{item:'FileSou
  * @private
  * @param arrayBuffer
  * @returns {{}}
- */var loadLASHeader=function loadLASHeader(arrayBuffer){var currentByte=0;var numOfVarLenRecords=0;var projectionStart=0;var dataView=new DataView(arrayBuffer);var buffer=new Uint8Array(6000);var getGeoKeys=function getGeoKeys(geoRecord){if(geoRecord===undefined){return undefined;}var projectionEnd=projectionStart+geoRecord["RecordLengthAfterHeader"];var geoTag=buffer.slice(projectionStart,projectionEnd);var arrayBuffer=bufferFlipper(geoTag);var dataView=new DataView(arrayBuffer);var byteCount=6;var numberOfKeys=Number(dataView.getUint16(byteCount,true));var geoKeys=[];while(numberOfKeys--){var keyTmp={};keyTmp.key=dataView.getUint16(byteCount+=2,true);keyTmp.tiffTagLocation=dataView.getUint16(byteCount+=2,true);keyTmp.count=dataView.getUint16(byteCount+=2,true);keyTmp.valueOffset=dataView.getUint16(byteCount+=2,true);geoKeys.push(keyTmp);}var projRecord=geoKeys.find(function(x){return x.key===3072;});if(projRecord&&projRecord.hasOwnProperty('valueOffset')){var epsg=projRecord.valueOffset;{return epsg;}}return undefined;};var getValue=function getValue(_ref23){var item=_ref23.item,format=_ref23.format,size=_ref23.size;var str,array;switch(format){case'char':array=new Uint8Array(arrayBuffer,currentByte,size);currentByte+=size;str=uint8arrayToString(array);return[item,str];case'uShort':str=dataView.getUint16(currentByte,true);currentByte+=size;return[item,str];case'uLong':str=dataView.getUint32(currentByte,true);if(item==='NumberOfVariableLengthRecords'){numOfVarLenRecords=str;}currentByte+=size;return[item,str];case'uChar':str=dataView.getUint8(currentByte);currentByte+=size;return[item,str];case'double':str=dataView.getFloat64(currentByte,true);currentByte+=size;return[item,str];default:currentByte+=size;}};var getValues=function getValues(){var publicHeaderBlock={};headerBlockItems.forEach(function(obj){var myObj=getValue(_objectSpread({},obj));if(myObj!==undefined){if(myObj[0]==='FileSignature'&&myObj[1]!=='LASF'){throw new Error('Ivalid FileSignature. Is this a LAS/LAZ file');}publicHeaderBlock[myObj[0]]=myObj[1];}});var variableRecords=[];var variableLengthRecords=numOfVarLenRecords;var _loop7=function _loop7(){var variableObj={};variableLengthRecord.forEach(function(obj){var myObj=getValue(_objectSpread({},obj));variableObj[myObj[0]]=myObj[1];if(myObj[0]==='UserId'&&myObj[1]==='LASF_Projection'){projectionStart=currentByte-18+54;}});variableRecords.push(variableObj);};while(variableLengthRecords--){_loop7();}var geoRecord=variableRecords.find(function(x){return x.UserId==='LASF_Projection';});var epsg=getGeoKeys(geoRecord);if(epsg){publicHeaderBlock['epsg']=epsg;}return publicHeaderBlock;};return getValues();};var bufferFlipper=function bufferFlipper(buf){var ab=new ArrayBuffer(buf.length);var view=new Uint8Array(ab);for(var _i591=0;_i591<buf.length;++_i591){view[_i591]=buf[_i591];}return ab;};var uint8arrayToString=function uint8arrayToString(array){var str='';array.forEach(function(item){var c=String.fromCharCode(item);if(c!=="\0"){str+=c;}});return str.trim();};var MAX_VERTICES=500000;// TODO: Rough estimate
+ */var loadLASHeader=function loadLASHeader(arrayBuffer){var currentByte=0;var numOfVarLenRecords=0;var projectionStart=0;var dataView=new DataView(arrayBuffer);var buffer=new Uint8Array(6000);var getGeoKeys=function getGeoKeys(geoRecord){if(geoRecord===undefined){return undefined;}var projectionEnd=projectionStart+geoRecord["RecordLengthAfterHeader"];var geoTag=buffer.slice(projectionStart,projectionEnd);var arrayBuffer=bufferFlipper(geoTag);var dataView=new DataView(arrayBuffer);var byteCount=6;var numberOfKeys=Number(dataView.getUint16(byteCount,true));var geoKeys=[];while(numberOfKeys--){var keyTmp={};keyTmp.key=dataView.getUint16(byteCount+=2,true);keyTmp.tiffTagLocation=dataView.getUint16(byteCount+=2,true);keyTmp.count=dataView.getUint16(byteCount+=2,true);keyTmp.valueOffset=dataView.getUint16(byteCount+=2,true);geoKeys.push(keyTmp);}var projRecord=geoKeys.find(function(x){return x.key===3072;});if(projRecord&&projRecord.hasOwnProperty('valueOffset')){var epsg=projRecord.valueOffset;{return epsg;}}return undefined;};var getValue=function getValue(_ref25){var item=_ref25.item,format=_ref25.format,size=_ref25.size;var str,array;switch(format){case'char':array=new Uint8Array(arrayBuffer,currentByte,size);currentByte+=size;str=uint8arrayToString(array);return[item,str];case'uShort':str=dataView.getUint16(currentByte,true);currentByte+=size;return[item,str];case'uLong':str=dataView.getUint32(currentByte,true);if(item==='NumberOfVariableLengthRecords'){numOfVarLenRecords=str;}currentByte+=size;return[item,str];case'uChar':str=dataView.getUint8(currentByte);currentByte+=size;return[item,str];case'double':str=dataView.getFloat64(currentByte,true);currentByte+=size;return[item,str];default:currentByte+=size;}};var getValues=function getValues(){var publicHeaderBlock={};headerBlockItems.forEach(function(obj){var myObj=getValue(_objectSpread({},obj));if(myObj!==undefined){if(myObj[0]==='FileSignature'&&myObj[1]!=='LASF'){throw new Error('Ivalid FileSignature. Is this a LAS/LAZ file');}publicHeaderBlock[myObj[0]]=myObj[1];}});var variableRecords=[];var variableLengthRecords=numOfVarLenRecords;var _loop7=function _loop7(){var variableObj={};variableLengthRecord.forEach(function(obj){var myObj=getValue(_objectSpread({},obj));variableObj[myObj[0]]=myObj[1];if(myObj[0]==='UserId'&&myObj[1]==='LASF_Projection'){projectionStart=currentByte-18+54;}});variableRecords.push(variableObj);};while(variableLengthRecords--){_loop7();}var geoRecord=variableRecords.find(function(x){return x.UserId==='LASF_Projection';});var epsg=getGeoKeys(geoRecord);if(epsg){publicHeaderBlock['epsg']=epsg;}return publicHeaderBlock;};return getValues();};var bufferFlipper=function bufferFlipper(buf){var ab=new ArrayBuffer(buf.length);var view=new Uint8Array(ab);for(var _i591=0;_i591<buf.length;++_i591){view[_i591]=buf[_i591];}return ab;};var uint8arrayToString=function uint8arrayToString(array){var str='';array.forEach(function(item){var c=String.fromCharCode(item);if(c!=="\0"){str+=c;}});return str.trim();};var MAX_VERTICES=500000;// TODO: Rough estimate
 /**
  * {@link Viewer} plugin that loads lidar point cloud geometry from LAS files.
  *
@@ -30542,8 +30531,8 @@ var ctx={fileData:fileData,sceneModel:sceneModel,nextId:0,error:function error(e
      * Destroys this DotBIMLoaderPlugin.
      */},{key:"destroy",value:function destroy(){_get(_getPrototypeOf(DotBIMLoaderPlugin.prototype),"destroy",this).call(this);}}]);return DotBIMLoaderPlugin;}(Plugin);var hex2rgb=function hex2rgb(color){var rgb=function rgb(idx){return parseInt(color.substr(idx+1,2),16)/255;};return[rgb(0),rgb(2),rgb(4)];};var triangulateEarClipping=function triangulateEarClipping(planeCoords){var polygonVertices=[];for(var _i612=0;_i612<planeCoords.length;++_i612){polygonVertices.push(_i612);}var isCCW=function(){var ba=math.vec2();var bc=math.vec2();var anglesSum=0;for(var _i613=0;_i613<polygonVertices.length;++_i613){var _a9=planeCoords[polygonVertices[_i613]];var b=planeCoords[polygonVertices[(_i613+1)%polygonVertices.length]];var c=planeCoords[polygonVertices[(_i613+2)%polygonVertices.length]];math.subVec2(_a9,b,ba);math.subVec2(c,b,bc);var theta=math.dotVec2(ba,bc)/Math.sqrt(math.sqLenVec2(ba)*math.sqLenVec2(bc));var _angle2=Math.acos(Math.max(-1,Math.min(theta,1)));var convex=ba[0]*bc[1]-ba[1]*bc[0]>=0;anglesSum+=convex?_angle2:2*Math.PI-_angle2;}return anglesSum<polygonVertices.length*Math.PI;}();var pointInTriangle=function(){var sign=function sign(p1,p2,p3){return(p1[0]-p3[0])*(p2[1]-p3[1])-(p2[0]-p3[0])*(p1[1]-p3[1]);};return function(pt,v1,v2,v3){var d1=sign(pt,v1,v2);var d2=sign(pt,v2,v3);var d3=sign(pt,v3,v1);var has_neg=d1<0||d2<0||d3<0;var has_pos=d1>0||d2>0||d3>0;return!(has_neg&&has_pos);};}();var baseTriangles=[];var vertices=(isCCW?polygonVertices:polygonVertices.slice(0).reverse()).map(function(i){return{idx:i};});vertices.forEach(function(v,i){v.prev=vertices[(i-1+vertices.length)%vertices.length];v.next=vertices[(i+1)%vertices.length];});var ba=math.vec2();var bc=math.vec2();while(vertices.length>2){var earIdx=0;var _loop9=function _loop9(){if(earIdx>=vertices.length){throw"isCCW = ".concat(isCCW,"; earIdx = ").concat(earIdx,"; len = ").concat(vertices.length);}var v=vertices[earIdx];var a=planeCoords[v.prev.idx];var b=planeCoords[v.idx];var c=planeCoords[v.next.idx];math.subVec2(a,b,ba);math.subVec2(c,b,bc);if(ba[0]*bc[1]-ba[1]*bc[0]>=0// a convex vertex
 &&vertices.every(// no other vertices inside
-function(vv){return vv===v||vv===v.prev||vv===v.next||!pointInTriangle(planeCoords[vv.idx],a,b,c);}))return"break";++earIdx;};while(true){var _ret3=_loop9();if(_ret3==="break")break;}var ear=vertices[earIdx];vertices.splice(earIdx,1);baseTriangles.push([ear.idx,ear.next.idx,ear.prev.idx]);var prev=ear.prev;prev.next=ear.next;var next=ear.next;next.prev=ear.prev;}return[planeCoords,baseTriangles,isCCW];};var marker3D=function marker3D(scene,color){var marker=new Dot3D(scene,{},scene.canvas.canvas.parentNode,{borderColor:"white",fillColor:color,zIndex:100});return{update:function update(worldPos){if(worldPos){marker.worldPos=worldPos;}marker.setVisible(!!worldPos);},setHighlighted:function setHighlighted(h){return marker.setHighlighted(h);},getCanvasPos:function getCanvasPos(){return marker.canvasPos;},getWorldPos:function getWorldPos(){return marker.worldPos;},destroy:function destroy(){return marker.destroy();}};};var wire3D=function wire3D(scene,color,startWorldPos){var wire=new Wire3D(scene,scene.canvas.canvas.ownerDocument.body,{color:color,thickness:1,thicknessClickable:6});wire.setVisible(false);return{update:function update(endWorldPos){if(endWorldPos){wire.setEnds(startWorldPos,endWorldPos);}wire.setVisible(!!endWorldPos);},destroy:function destroy(){return wire.destroy();}};};var basePolygon3D=function basePolygon3D(scene,color,alpha){var mesh=null;var updateBase=function updateBase(points){if(points){if(mesh){mesh.destroy();}try{var _ref24,_ref25;var _triangulateEarClippi=triangulateEarClipping(points.map(function(p){return[p[0],p[2]];})),_triangulateEarClippi2=_slicedToArray(_triangulateEarClippi,2),baseVertices=_triangulateEarClippi2[0],baseTriangles=_triangulateEarClippi2[1];var positions=(_ref24=[]).concat.apply(_ref24,_toConsumableArray(baseVertices.map(function(p){return[p[0],points[0][1],p[1]];})));// To convert from Float64Array into an Array
-var ind=(_ref25=[]).concat.apply(_ref25,_toConsumableArray(baseTriangles));mesh=new Mesh(scene,{pickable:false,// otherwise there's a WebGL error inside PickMeshRenderer.prototype.drawMesh
+function(vv){return vv===v||vv===v.prev||vv===v.next||!pointInTriangle(planeCoords[vv.idx],a,b,c);}))return"break";++earIdx;};while(true){var _ret3=_loop9();if(_ret3==="break")break;}var ear=vertices[earIdx];vertices.splice(earIdx,1);baseTriangles.push([ear.idx,ear.next.idx,ear.prev.idx]);var prev=ear.prev;prev.next=ear.next;var next=ear.next;next.prev=ear.prev;}return[planeCoords,baseTriangles,isCCW];};var marker3D=function marker3D(scene,color){var marker=new Dot3D(scene,{},scene.canvas.canvas.parentNode,{borderColor:"white",fillColor:color,zIndex:100});return{update:function update(worldPos){if(worldPos){marker.worldPos=worldPos;}marker.setVisible(!!worldPos);},setHighlighted:function setHighlighted(h){return marker.setHighlighted(h);},getCanvasPos:function getCanvasPos(){return marker.canvasPos;},getWorldPos:function getWorldPos(){return marker.worldPos;},destroy:function destroy(){return marker.destroy();}};};var wire3D=function wire3D(scene,color,startWorldPos){var wire=new Wire3D(scene,scene.canvas.canvas.ownerDocument.body,{color:color,thickness:1,thicknessClickable:6});wire.setVisible(false);return{update:function update(endWorldPos){if(endWorldPos){wire.setEnds(startWorldPos,endWorldPos);}wire.setVisible(!!endWorldPos);},destroy:function destroy(){return wire.destroy();}};};var basePolygon3D=function basePolygon3D(scene,color,alpha){var mesh=null;var updateBase=function updateBase(points){if(points){if(mesh){mesh.destroy();}try{var _ref26,_ref27;var _triangulateEarClippi=triangulateEarClipping(points.map(function(p){return[p[0],p[2]];})),_triangulateEarClippi2=_slicedToArray(_triangulateEarClippi,2),baseVertices=_triangulateEarClippi2[0],baseTriangles=_triangulateEarClippi2[1];var positions=(_ref26=[]).concat.apply(_ref26,_toConsumableArray(baseVertices.map(function(p){return[p[0],points[0][1],p[1]];})));// To convert from Float64Array into an Array
+var ind=(_ref27=[]).concat.apply(_ref27,_toConsumableArray(baseTriangles));mesh=new Mesh(scene,{pickable:false,// otherwise there's a WebGL error inside PickMeshRenderer.prototype.drawMesh
 geometry:new ReadableGeometry(scene,{positions:positions,indices:ind,normals:math.buildNormals(positions,ind)}),material:new PhongMaterial(scene,{alpha:alpha!==undefined?alpha:0.5,backfaces:true,diffuse:hex2rgb(color)})});}catch(e){mesh=null;}}if(mesh){mesh.visible=!!points;}};updateBase(null);return{updateBase:updateBase,destroy:function destroy(){return mesh&&mesh.destroy();}};};var startAARectCreateUI=function startAARectCreateUI(scene,markersColor,pointerLens,select3dPoint,withPoints,onPointsSelected){var marker1=marker3D(scene,markersColor);var marker2=marker3D(scene,markersColor);var updatePointerLens=pointerLens?function(canvasPos){pointerLens.visible=!!canvasPos;if(canvasPos){pointerLens.canvasPos=canvasPos;}}:function(){};var deactivatePointSelection=select3dPoint(function(){updatePointerLens(null);marker1.update(null);},function(canvasPos,worldPos){updatePointerLens(canvasPos);marker1.update(worldPos);},function(point1CanvasPos,point1WorldPos){marker1.update(point1WorldPos);deactivatePointSelection=select3dPoint(function(){updatePointerLens(null);marker2.update(null);withPoints(null);},function(canvasPos,point2WorldPos){updatePointerLens(canvasPos);marker2.update(point2WorldPos);withPoints(math.distVec3(point1WorldPos,point2WorldPos)>0.01&&[point1WorldPos,point2WorldPos]);},function(point2CanvasPos,point2WorldPos){// `marker2.update' makes sure marker's position has been updated from its default [0,0,0]
 // This works around an unidentified bug somewhere around OcclusionLayer, that causes error
 // [.WebGL-0x13400c47e00] GL_INVALID_OPERATION: Vertex buffer is not big enough for the draw call
@@ -30556,11 +30545,11 @@ marker2.update(point2WorldPos);marker1.destroy();marker2.destroy();updatePointer
      */function Zone(plugin){var _this184;var cfg=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,Zone);_this184=_super174.call(this,plugin.viewer.scene,cfg);/**
          * The {@link ZonesPlugin} that owns this Zone.
          * @type {ZonesPlugin}
-         */_this184.plugin=plugin;_this184._container=cfg.container;if(!_this184._container){throw"config missing: container";}_this184._eventSubs={};_this184.plugin.viewer.scene;_this184._geometry=cfg.geometry;cfg.onMouseOver?function(event){cfg.onMouseOver(event,_assertThisInitialized(_this184));_this184.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent('mouseover',event));}:null;cfg.onMouseLeave?function(event){cfg.onMouseLeave(event,_assertThisInitialized(_this184));_this184.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent('mouseleave',event));}:null;cfg.onContextMenu?function(event){cfg.onContextMenu(event,_assertThisInitialized(_this184));}:null;_this184._alpha="alpha"in cfg&&cfg.alpha!==undefined?cfg.alpha:0.5;_this184.color=cfg.color;_this184._visible=true;_this184._rebuildMesh();return _this184;}_createClass(Zone,[{key:"_rebuildMesh",value:function _rebuildMesh(){var _ref26,_this185=this;var scene=this.plugin.viewer.scene;var planeCoords=this._geometry.planeCoordinates.slice();var downward=this._geometry.height<0;var altitude=this._geometry.altitude+(downward?this._geometry.height:0);var height=this._geometry.height*(downward?-1:1);var _triangulateEarClippi3=triangulateEarClipping(planeCoords),_triangulateEarClippi4=_slicedToArray(_triangulateEarClippi3,3),baseVertices=_triangulateEarClippi4[0],baseTriangles=_triangulateEarClippi4[1],isCCW=_triangulateEarClippi4[2];// TODO: prevent crossing edges
+         */_this184.plugin=plugin;_this184._container=cfg.container;if(!_this184._container){throw"config missing: container";}_this184._eventSubs={};_this184.plugin.viewer.scene;_this184._geometry=cfg.geometry;cfg.onMouseOver?function(event){cfg.onMouseOver(event,_assertThisInitialized(_this184));_this184.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent('mouseover',event));}:null;cfg.onMouseLeave?function(event){cfg.onMouseLeave(event,_assertThisInitialized(_this184));_this184.plugin.viewer.scene.canvas.canvas.dispatchEvent(new MouseEvent('mouseleave',event));}:null;cfg.onContextMenu?function(event){cfg.onContextMenu(event,_assertThisInitialized(_this184));}:null;_this184._alpha="alpha"in cfg&&cfg.alpha!==undefined?cfg.alpha:0.5;_this184.color=cfg.color;_this184._visible=true;_this184._rebuildMesh();return _this184;}_createClass(Zone,[{key:"_rebuildMesh",value:function _rebuildMesh(){var _ref28,_this185=this;var scene=this.plugin.viewer.scene;var planeCoords=this._geometry.planeCoordinates.slice();var downward=this._geometry.height<0;var altitude=this._geometry.altitude+(downward?this._geometry.height:0);var height=this._geometry.height*(downward?-1:1);var _triangulateEarClippi3=triangulateEarClipping(planeCoords),_triangulateEarClippi4=_slicedToArray(_triangulateEarClippi3,3),baseVertices=_triangulateEarClippi4[0],baseTriangles=_triangulateEarClippi4[1],isCCW=_triangulateEarClippi4[2];// TODO: prevent crossing edges
 var pos=[];var ind=[];var addPlane=function addPlane(isCeiling){var baseIdx=pos.length;var _iterator42=_createForOfIteratorHelper(baseVertices),_step42;try{for(_iterator42.s();!(_step42=_iterator42.n()).done;){var c=_step42.value;pos.push([c[0],altitude+(isCeiling?height:0),c[1]]);}}catch(err){_iterator42.e(err);}finally{_iterator42.f();}var _iterator43=_createForOfIteratorHelper(baseTriangles),_step43;try{for(_iterator43.s();!(_step43=_iterator43.n()).done;){var t=_step43.value;ind.push.apply(ind,_toConsumableArray((isCeiling?t:t.slice(0).reverse()).map(function(i){return i+baseIdx;})));}}catch(err){_iterator43.e(err);}finally{_iterator43.f();}};addPlane(false);// floor
 addPlane(true);// ceiling
 // sides
-var _loop10=function _loop10(_i614){var a=baseVertices[_i614];var b=baseVertices[(baseVertices.length+_i614+(isCCW?1:-1))%baseVertices.length];var f=altitude;var c=altitude+height;var baseIdx=pos.length;pos.push([a[0],f,a[1]],[b[0],f,b[1]],[b[0],c,b[1]],[a[0],c,a[1]]);ind.push.apply(ind,_toConsumableArray([0,1,2,0,2,3].map(function(i){return i+baseIdx;})));};for(var _i614=0;_i614<baseVertices.length;++_i614){_loop10(_i614);}if(this._zoneMesh){this._zoneMesh.destroy();}var min=function min(idx){return Math.min.apply(Math,_toConsumableArray(pos.map(function(p){return p[idx];})));};var max=function max(idx){return Math.max.apply(Math,_toConsumableArray(pos.map(function(p){return p[idx];})));};var xmin=min(0);var ymin=min(1);var zmin=min(2);var xmax=max(0);var ymax=max(1);var zmax=max(2);this._center=math.vec3([(xmin+xmax)/2,(ymin+ymax)/2,(zmin+zmax)/2]);var positions=(_ref26=[]).concat.apply(_ref26,_toConsumableArray(pos.map(function(p){return math.subVec3(p,_this185._center,p);})));this._zoneMesh=new Mesh(scene,{origin:this._center,edges:this._edges,geometry:new ReadableGeometry(scene,{positions:positions,indices:ind,normals:math.buildNormals(positions,ind)}),material:new PhongMaterial(scene,{alpha:this._alpha,backfaces:true,diffuse:hex2rgb(this._color)}),visible:this._visible});this._zoneMesh.highlighted=this._highlighted;this._zoneMesh.zone=this;{var _u2=math.vec2();var v=math.vec2();var baseArea=0;var _iterator44=_createForOfIteratorHelper(baseTriangles),_step44;try{for(_iterator44.s();!(_step44=_iterator44.n()).done;){var t=_step44.value;var p0=baseVertices[t[0]];var p1=baseVertices[t[1]];var p2=baseVertices[t[2]];math.subVec2(p1,p0,_u2);math.subVec2(p2,p0,v);baseArea+=Math.abs(_u2[0]*v[1]-_u2[1]*v[0]);}}catch(err){_iterator44.e(err);}finally{_iterator44.f();}this._baseArea=baseArea/2;}this._metrics=null;}},{key:"baseArea",get:function get(){return this._baseArea;}},{key:"area",get:function get(){return this._getMetrics().area;}},{key:"volume",get:function get(){return this._getMetrics().volume;}},{key:"_getMetrics",value:function _getMetrics(){if(this._metrics===null){// Sum the volume of tetrahedrons formed by the origin and face triangles
+var _loop10=function _loop10(_i614){var a=baseVertices[_i614];var b=baseVertices[(baseVertices.length+_i614+(isCCW?1:-1))%baseVertices.length];var f=altitude;var c=altitude+height;var baseIdx=pos.length;pos.push([a[0],f,a[1]],[b[0],f,b[1]],[b[0],c,b[1]],[a[0],c,a[1]]);ind.push.apply(ind,_toConsumableArray([0,1,2,0,2,3].map(function(i){return i+baseIdx;})));};for(var _i614=0;_i614<baseVertices.length;++_i614){_loop10(_i614);}if(this._zoneMesh){this._zoneMesh.destroy();}var min=function min(idx){return Math.min.apply(Math,_toConsumableArray(pos.map(function(p){return p[idx];})));};var max=function max(idx){return Math.max.apply(Math,_toConsumableArray(pos.map(function(p){return p[idx];})));};var xmin=min(0);var ymin=min(1);var zmin=min(2);var xmax=max(0);var ymax=max(1);var zmax=max(2);this._center=math.vec3([(xmin+xmax)/2,(ymin+ymax)/2,(zmin+zmax)/2]);var positions=(_ref28=[]).concat.apply(_ref28,_toConsumableArray(pos.map(function(p){return math.subVec3(p,_this185._center,p);})));this._zoneMesh=new Mesh(scene,{origin:this._center,edges:this._edges,geometry:new ReadableGeometry(scene,{positions:positions,indices:ind,normals:math.buildNormals(positions,ind)}),material:new PhongMaterial(scene,{alpha:this._alpha,backfaces:true,diffuse:hex2rgb(this._color)}),visible:this._visible});this._zoneMesh.highlighted=this._highlighted;this._zoneMesh.zone=this;{var _u2=math.vec2();var v=math.vec2();var baseArea=0;var _iterator44=_createForOfIteratorHelper(baseTriangles),_step44;try{for(_iterator44.s();!(_step44=_iterator44.n()).done;){var t=_step44.value;var p0=baseVertices[t[0]];var p1=baseVertices[t[1]];var p2=baseVertices[t[2]];math.subVec2(p1,p0,_u2);math.subVec2(p2,p0,v);baseArea+=Math.abs(_u2[0]*v[1]-_u2[1]*v[0]);}}catch(err){_iterator44.e(err);}finally{_iterator44.f();}this._baseArea=baseArea/2;}this._metrics=null;}},{key:"baseArea",get:function get(){return this._baseArea;}},{key:"area",get:function get(){return this._getMetrics().area;}},{key:"volume",get:function get(){return this._getMetrics().volume;}},{key:"_getMetrics",value:function _getMetrics(){if(this._metrics===null){// Sum the volume of tetrahedrons formed by the origin and face triangles
 var volume=0;var _area4=0;var geo=this._zoneMesh.geometry;var pts=[math.vec3(),math.vec3(),math.vec3()];var tmpVec3=math.vec3();for(var _i615=0;_i615<geo.indices.length;_i615+=3){for(var off=0;off<3;++off){var _p4=pts[off];var pIdx=3*geo.indices[_i615+off];for(var c=0;c<3;++c){_p4[c]=geo.positions[pIdx+c];}}volume+=math.dotVec3(pts[0],math.cross3Vec3(pts[1],pts[2],tmpVec3));math.subVec3(pts[1],pts[0],pts[1]);math.subVec3(pts[2],pts[0],pts[2]);_area4+=math.lenVec3(math.cross3Vec3(pts[1],pts[2],tmpVec3));}this._metrics={area:_area4/2,volume:volume/6};}return this._metrics;}},{key:"sectionedAverage",value:function sectionedAverage(sectionPlanes){var planeCoords=this._geometry.planeCoordinates.slice();var faces=[];{var h=this._geometry.height;var _a10=this._geometry.altitude;var c=_a10+Math.max(0,h);var _f2=_a10+Math.min(0,h);var addPlane=function addPlane(isCeiling){var face=planeCoords.map(function(p){return[p[0],isCeiling?c:_f2,p[1]];});faces.push(isCeiling?face:face.slice(0).reverse());};addPlane(true);// ceiling
 addPlane(false);// floor
 // sides
diff --git a/dist/xeokit-sdk.min.cjs.js b/dist/xeokit-sdk.min.cjs.js
index ce19bf6e8..b8e107755 100644
--- a/dist/xeokit-sdk.min.cjs.js
+++ b/dist/xeokit-sdk.min.cjs.js
@@ -1,4 +1,4 @@
-"use strict";Object.defineProperty(exports,"__esModule",{value:!0});class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}let o=!0,n=o?Float64Array:Float32Array;const a=new n(3),l=new n(16),A=new n(16),h=new n(4),c={setDoublePrecisionEnabled(e){o=e,n=o?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>o,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new n(e||2),vec3:e=>new n(e||3),vec4:e=>new n(e||4),mat3:e=>new n(e||9),mat3ToMat4:(e,t=new n(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new n(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new n(2);for(let r=0,o=e.length;r<o;r++)c.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=n.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const 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e},compareVec3:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2],negateVec3:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t),negateVec4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t),addVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i),addVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i),addVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i),addVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i),subVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i),subVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i),subVec2:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i),geometricMeanVec2(...e){const t=new n(e[0]);for(let i=1;i<e.length;i++)t[0]+=e[i][0],t[1]+=e[i][1];return t[0]/=e.length,t[1]/=e.length,t},subVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i),subScalarVec4:(e,t,i)=>(i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i),mulVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i),mulVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i),mulVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i),mulVec2Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i),divVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i),divVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i),divScalarVec3:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i),divVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i),divVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i),divScalarVec4:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i),dotVec4:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3],cross3Vec4(e,t){const i=e[0],s=e[1],r=e[2],o=t[0],n=t[1],a=t[2];return[s*a-r*n,r*o-i*a,i*n-s*o,0]},cross3Vec3(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=t[0],a=t[1],l=t[2];return i[0]=r*l-o*a,i[1]=o*n-s*l,i[2]=s*a-r*n,i},sqLenVec4:e=>c.dotVec4(e,e),lenVec4:e=>Math.sqrt(c.sqLenVec4(e)),dotVec3:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2],dotVec2:(e,t)=>e[0]*t[0]+e[1]*t[1],sqLenVec3:e=>c.dotVec3(e,e),sqLenVec2:e=>c.dotVec2(e,e),lenVec3:e=>Math.sqrt(c.sqLenVec3(e)),distVec3:(()=>{const e=new n(3);return(t,i)=>c.lenVec3(c.subVec3(t,i,e))})(),lenVec2:e=>Math.sqrt(c.sqLenVec2(e)),distVec2:(()=>{const e=new n(2);return(t,i)=>c.lenVec2(c.subVec2(t,i,e))})(),rcpVec3:(e,t)=>c.divScalarVec3(1,e,t),normalizeVec4(e,t){const i=1/c.lenVec4(e);return c.mulVec4Scalar(e,i,t)},normalizeVec3(e,t){const i=1/c.lenVec3(e);return c.mulVec3Scalar(e,i,t)},normalizeVec2(e,t){const i=1/c.lenVec2(e);return c.mulVec2Scalar(e,i,t)},angleVec3(e,t){let i=c.dotVec3(e,t)/Math.sqrt(c.sqLenVec3(e)*c.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:(()=>{const e=new n(3);return(t,i)=>(e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=c.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=c.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=c.lenVec3(e),i)})(),vecToArray:(()=>{function e(e){return Math.round(1e5*e)/1e5}return t=>{for(let i=0,s=(t=Array.prototype.slice.call(t)).length;i<s;i++)t[i]=e(t[i]);return t}})(),xyzArrayToObject:e=>({x:e[0],y:e[1],z:e[2]}),xyzObjectToArray:(e,t)=>((t=t||c.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t),dupMat4:e=>e.slice(0,16),mat4To3:e=>[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]],m4s:e=>[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e],setMat4ToZeroes:()=>c.m4s(0),setMat4ToOnes:()=>c.m4s(1),diagonalMat4v:e=>new n([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]]),diagonalMat4c:(e,t,i,s)=>c.diagonalMat4v([e,t,i,s]),diagonalMat4s:e=>c.diagonalMat4c(e,e,e,e),identityMat4:(e=new n(16))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e),identityMat3:(e=new n(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>c.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],B=t[3],x=t[4],P=t[5],w=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+B*f,i[1]=v*r+b*l+y*u+B*g,i[2]=v*o+b*A+y*d+B*m,i[3]=v*n+b*h+y*p+B*_,i[4]=x*s+P*a+w*c+C*f,i[5]=x*r+P*l+w*u+C*g,i[6]=x*o+P*A+w*d+C*m,i[7]=x*n+P*h+w*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new n(9));const s=e[0],r=e[3],o=e[6],a=e[1],l=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=a*d+l*g+A*v,i[4]=a*p+l*m+A*b,i[7]=a*f+l*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=c.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,B=s*A-o*a,x=r*A-o*l,P=h*f-c*p,w=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-B*w+x*P);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*x-g*B+m*y)*I,t[3]=(-c*x+u*B-d*y)*I,t[4]=(-n*F+l*C-A*w)*I,t[5]=(i*F-r*C+o*w)*I,t[6]=(-p*x+g*b-m*v)*I,t[7]=(h*x-u*b+d*v)*I,t[8]=(n*E-a*C+A*P)*I,t[9]=(-i*E+s*C-o*P)*I,t[10]=(p*B-f*b+m*_)*I,t[11]=(-h*B+c*b-d*_)*I,t[12]=(-n*M+a*w-l*P)*I,t[13]=(i*M-s*w+r*P)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||c.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||c.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.translationMat4v(e,r))})(),translationMat4s:(e,t)=>c.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>c.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=c.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,u,d,p,f,g;return h=a*l,u=l*A,d=A*a,p=a*r,f=l*r,g=A*r,(i=i||c.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*d-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*u+p,i[7]=0,i[8]=n*d+f,i[9]=n*u-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>c.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=c.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=c.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>c.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=c.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,u=s*l,d=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=u+v,i[2]=d-_,i[3]=0,i[4]=u-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=d+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=c.vec4()){const 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i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=l[0]/n,i[9]=l[1]/a,i[10]=-l[2]/h,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/h,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],c.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=c.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=c.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],B=e[13],x=e[14],P=e[15];let w;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],w=s[e]||(s[e]=[0,0,0]),w[0]=A*o+d*n+m*a+y,w[1]=h*o+p*n+_*a+B,w[2]=c*o+f*n+v*a+x,w[3]=u*o+g*n+b*a+P;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],B=e[14],x=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+B,i[s+3]=c*o+f*n+v*a+x;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||c.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||c.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new n(16),t=new n(16),i=new n(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||c.vec3(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n},lerpMat4(e,t,i,s,r,o){const n=o||c.mat4(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n[3]=s[3]+a*(r[3]-s[3]),n[4]=s[4]+a*(r[4]-s[4]),n[5]=s[5]+a*(r[5]-s[5]),n[6]=s[6]+a*(r[6]-s[6]),n[7]=s[7]+a*(r[7]-s[7]),n[8]=s[8]+a*(r[8]-s[8]),n[9]=s[9]+a*(r[9]-s[9]),n[10]=s[10]+a*(r[10]-s[10]),n[11]=s[11]+a*(r[11]-s[11]),n[12]=s[12]+a*(r[12]-s[12]),n[13]=s[13]+a*(r[13]-s[13]),n[14]=s[14]+a*(r[14]-s[14]),n[15]=s[15]+a*(r[15]-s[15]),n},flatten(e){const t=[];let i,s,r,o,n;for(i=0,s=e.length;i<s;i++)for(n=e[i],r=0,o=n.length;r<o;r++)t.push(n[r]);return t},identityQuaternion:(e=c.vec4())=>(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e),eulerToQuaternion(e,t,i=c.vec4()){const s=e[0]*c.DEGTORAD/2,r=e[1]*c.DEGTORAD/2,o=e[2]*c.DEGTORAD/2,n=Math.cos(s),a=Math.cos(r),l=Math.cos(o),A=Math.sin(s),h=Math.sin(r),u=Math.sin(o);return"XYZ"===t?(i[0]=A*a*l+n*h*u,i[1]=n*h*l-A*a*u,i[2]=n*a*u+A*h*l,i[3]=n*a*l-A*h*u):"YXZ"===t?(i[0]=A*a*l+n*h*u,i[1]=n*h*l-A*a*u,i[2]=n*a*u-A*h*l,i[3]=n*a*l+A*h*u):"ZXY"===t?(i[0]=A*a*l-n*h*u,i[1]=n*h*l+A*a*u,i[2]=n*a*u+A*h*l,i[3]=n*a*l-A*h*u):"ZYX"===t?(i[0]=A*a*l-n*h*u,i[1]=n*h*l+A*a*u,i[2]=n*a*u-A*h*l,i[3]=n*a*l+A*h*u):"YZX"===t?(i[0]=A*a*l+n*h*u,i[1]=n*h*l+A*a*u,i[2]=n*a*u-A*h*l,i[3]=n*a*l-A*h*u):"XZY"===t&&(i[0]=A*a*l-n*h*u,i[1]=n*h*l-A*a*u,i[2]=n*a*u+A*h*l,i[3]=n*a*l+A*h*u),i},mat4ToQuaternion(e,t=c.vec4()){const i=e[0],s=e[4],r=e[8],o=e[1],n=e[5],a=e[9],l=e[2],A=e[6],h=e[10];let u;const d=i+n+h;return 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Date).getTime(),r=0;for(;y.length>0&&(e<0||s<e);)t=y.shift(),i=y.shift(),i?t.call(i):t(),s=(new Date).getTime(),r++;return r},this.getNumTasks=function(){return y.length}},E=function(){let e=Date.now();if(P=e-w,w>0&&P>0){var t=1e3/P;C+=t,x.push(t),x.length>=30&&(C-=x.shift()),p.frame.fps=Math.round(C/x.length)}for(let e in M.scenes)M.scenes[e].compile();I(e),w=e};!function(e,t){let i=Date.now()+t;(function s(){const r=Date.now()-i;e(),i+=t,setTimeout(s,Math.max(0,t-r))})()}((()=>{E()}),100);const F=function(){let e=Date.now();if(P=e-w,w>0&&P>0){var t=1e3/P;C+=t,x.push(t),x.length>=30&&(C-=x.shift()),p.frame.fps=Math.round(C/x.length)}I(e),function(e){for(var t in B.time=e,M.scenes)if(M.scenes.hasOwnProperty(t)){var i=M.scenes[t];B.sceneId=t,B.startTime=i.startTime,B.deltaTime=null!=B.prevTime?B.time-B.prevTime:0,i.fire("tick",B,!0)}B.prevTime=e}(e),function(){const e=M.scenes,t=!1;let i,s,r,o,n;for(n in e)e.hasOwnProperty(n)&&(i=e[n],s=v[n],s||(s=v[n]={}),r=i.ticksPerOcclusionTest,s.ticksPerOcclusionTest!==r&&(s.ticksPerOcclusionTest=r,s.renderCountdown=r),--i.occlusionTestCountdown<=0&&(i.doOcclusionTest(),i.occlusionTestCountdown=r),o=i.ticksPerRender,s.ticksPerRender!==o&&(s.ticksPerRender=o,s.renderCountdown=o),0==--s.renderCountdown&&(i.render(t),s.renderCountdown=o))}(),void 0!==window.requestPostAnimationFrame?window.requestPostAnimationFrame(E):requestAnimationFrame(F)};function I(e){const t=M.runTasks(e+10),i=M.getNumTasks();p.frame.tasksRun=t,p.frame.tasksScheduled=i,p.frame.tasksBudget=10}F();class D{get type(){return"Component"}get isComponent(){return!0}constructor(e=null,t={}){if(this.scene=null,"Scene"===this.type)this.scene=this,this.viewer=t.viewer;else{if("Scene"===e.type)this.scene=e;else{if(!(e instanceof D))throw"Invalid param: owner must be a Component";this.scene=e.scene}this._owner=e}this._dontClear=!!t.dontClear,this._renderer=this.scene._renderer,this.meta=t.meta||{},this.id=t.id,this.destroyed=!1,this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this!==this.scene&&this.scene._addComponent(this),this._updateScheduled=!1,e&&e._own(this)}glRedraw(){this._renderer&&(this._renderer.imageDirty(),this.castsShadow&&this._renderer.shadowsDirty())}glResort(){this._renderer&&this._renderer.needStateSort()}get owner(){return this._owner}isType(e){return this.type===e}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){e="[LOG]"+this._message(e),window.console.log(e),this.scene.fire("log",e)}_message(e){return" ["+this.type+" "+_.inQuotes(this.id)+"]: "+e}warn(e){e="[WARN]"+this._message(e),window.console.warn(e),this.scene.fire("warn",e)}error(e){e="[ERROR]"+this._message(e),window.console.error(e),this.scene.fire("error",e)}_attach(e){const t=e.name;if(!t)return void this.error("Component 'name' expected");let i=e.component;const s=e.sceneDefault,r=e.sceneSingleton,o=e.type,n=e.on,a=!1!==e.recompiles;if(i&&(_.isNumeric(i)||_.isString(i))){const e=i;if(i=this.scene.components[e],!i)return void this.error("Component not found: "+_.inQuotes(e))}if(!i)if(!0===r){const e=this.scene.types[o];for(const t in e)if(e.hasOwnProperty){i=e[t];break}if(!i)return this.error("Scene has no default component for '"+t+"'"),null}else if(!0===s&&(i=this.scene[t],!i))return this.error("Scene has no default component for '"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+_.inQuotes(i.id));if(o&&!i.isType(o))return void this.error("Expected a "+o+" type or subtype: "+i.type+" "+_.inQuotes(i.id))}this._attachments||(this._attachments={});const l=this._attached[t];let A,h,c;if(l){if(i&&l.id===i.id)return;const e=this._attachments[l.id];for(A=e.subs,h=0,c=A.length;h<c;h++)l.off(A[h]);delete this._attached[t],delete this._attachments[l.id];const s=e.params.onDetached;s&&(_.isFunction(s)?s(l):s.scope?s.callback.call(s.scope,l):s.callback(l)),e.managingLifecycle&&l.destroy()}if(i){const s={params:e,component:i,subs:[],managingLifecycle:false};s.subs.push(i.once("destroyed",(function(){s.params.component=null,this._attach(s.params)}),this)),a&&s.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=s;const r=e.onAttached;if(r&&(_.isFunction(r)?r(i):r.scope?r.callback.call(r.scope,i):r.callback(i)),n){let e,t,r,o;for(e in n)if(n.hasOwnProperty(e)){if(t=n[e],_.isFunction(t)?(r=t,o=null):(r=t.callback,o=t.scope),!r)continue;s.subs.push(i.on(e,r,o))}}}return a&&this.fire("dirty",this),this.fire(t,i),i}_checkComponent(e,t){if(!t.isComponent){if(!_.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}_checkComponent2(e,t){if(!t.isComponent){if(!_.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(t.scene.id===this.scene.id){for(var i=0,s=e.length;i<s;i++)if(e[i]===t.type)return t;return this.error("Expected component types: "+e),null}this.error("Not in same scene: "+t.type)}_own(e){this._ownedComponents||(this._ownedComponents={}),this._ownedComponents[e.id]||(this._ownedComponents[e.id]=e),e.once("destroyed",(()=>{delete this._ownedComponents[e.id]}),this)}_needUpdate(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():M.scheduleTask(this._doUpdate,this))}_doUpdate(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}scheduleTask(e){M.scheduleTask(e,null)}_update(){}clear(){if(this._ownedComponents)for(var e in this._ownedComponents)if(this._ownedComponents.hasOwnProperty(e)){this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}destroy(){if(this.destroyed)return;let e,t,i,s,r,o;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(t=this._attachments[e],i=t.component,s=t.subs,r=0,o=s.length;r<o;r++)i.off(s[r]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&(i=this._ownedComponents[e],i.destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}const S=c.vec3(),T=c.vec3(),R=c.mat4();class L{constructor(){this.normal=c.vec3(),this.offset=0,this.testVertex=c.vec3()}set(e,t,i,s){const r=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*r,this.normal[1]=t*r,this.normal[2]=i*r,this.offset=s*r,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}class U{constructor(){this.planes=[new L,new L,new L,new L,new L,new L]}}function O(e,t,i){const s=c.mulMat4(i,t,R),r=s[0],o=s[1],n=s[2],a=s[3],l=s[4],A=s[5],h=s[6],u=s[7],d=s[8],p=s[9],f=s[10],g=s[11],m=s[12],_=s[13],v=s[14],b=s[15];e.planes[0].set(a-r,u-l,g-d,b-m),e.planes[1].set(a+r,u+l,g+d,b+m),e.planes[2].set(a-o,u-A,g-p,b-_),e.planes[3].set(a+o,u+A,g+p,b+_),e.planes[4].set(a-n,u-h,g-f,b-v),e.planes[5].set(a+n,u+h,g+f,b+v)}function k(e,t){let i=U.INSIDE;const s=S,r=T;s[0]=t[0],s[1]=t[1],s[2]=t[2],r[0]=t[3],r[1]=t[4],r[2]=t[5];const o=[s,r];for(let t=0;t<6;++t){const s=e.planes[t];if(s.normal[0]*o[s.testVertex[0]][0]+s.normal[1]*o[s.testVertex[1]][1]+s.normal[2]*o[s.testVertex[2]][2]+s.offset<0)return U.OUTSIDE;s.normal[0]*o[1-s.testVertex[0]][0]+s.normal[1]*o[1-s.testVertex[1]][1]+s.normal[2]*o[1-s.testVertex[2]][2]+s.offset<0&&(i=U.INTERSECT)}return i}U.INSIDE=0,U.INTERSECT=1,U.OUTSIDE=2;class N extends D{constructor(e={}){if(!e.viewer)throw"[MarqueePicker] Missing config: viewer";if(!e.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=c.vec2(),this._canvasMarqueeCorner2=c.vec2(),this._canvasMarquee=c.AABB2(),this._marqueeFrustum=new U,this._marqueeFrustumProjMat=c.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==N.PICK_MODE_INSIDE&&e!==N.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===N.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=U.INTERSECT)=>{if(s===U.INTERSECT&&(s=k(this._marqueeFrustum,i.aabb)),s!==U.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===N.PICK_MODE_INSIDE){k(this._marqueeFrustum,r)===U.INSIDE&&e.push(s.id)}else{k(this._marqueeFrustum,r)!==U.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,u=-(this._canvasMarquee[1]-r)*n+1,d=this.viewer.scene.camera.frustum.near*(17*a);c.frustumMat4(l,A,h*a,u*a,d,1e4,this._marqueeFrustumProjMat),O(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}N.PICK_MODE_INTERSECTS=0,N.PICK_MODE_INSIDE=1;class Q{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class V{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){M.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const H={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},isTouchDevice:()=>"ontouchstart"in window||navigator.maxTouchPoints>0||navigator.mxMaxTouchPoints>0};function j(e,t){if(!e||!t)return;let i=null;let s,r;const o=e=>{if(e.preventDefault(),i&&(clearTimeout(i),i=null),e.touches.length>1)return;const o=e.touches[0];s=o.clientX,r=o.clientY,i=setTimeout((()=>{e.clientX=o.clientX,e.clientY=o.clientY,t(e),clearTimeout(i),i=null}),500)},n=e=>{e.touches.length>1&&i&&(clearTimeout(i),i=null)},a=e=>{if(!i)return;const t=e.touches[0],o=Math.abs(t.clientX-s),n=Math.abs(t.clientY-r);(o>3||n>3)&&(clearTimeout(i),i=null)},l=e=>{e.preventDefault(),i&&(clearTimeout(i),i=null)},A=e=>{t(e),e.preventDefault(),e.stopPropagation()};return H.isIphoneSafari()?(e.addEventListener("touchstart",o),e.addEventListener("touchmove",a),e.addEventListener("touchend",l),window.addEventListener("touchstart",n)):e.addEventListener("contextmenu",A),function(){H.isIphoneSafari()?(e.removeEventListener("touchstart",o),e.removeEventListener("touchmove",a),e.removeEventListener("touchend",l),window.removeEventListener("touchstart",n)):e.removeEventListener("contextmenu",A)}}class G{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;if(o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu){j(r,(e=>{t.onContextMenu(e,this)}))}this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-6+"px",i.top=Math.round(t)-6+"px";var s=this._dotClickable.style;s.left=Math.round(e)-14+"px",s.top=Math.round(t)-14+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}_updateVisibility(){this._dot.style.visibility=this._dotClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}class z{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;if(s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu){j(i,(e=>{t.onContextMenu(e,this)}))}}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}_updateVisibility(){this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}class K{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;if(o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu){j(r,(e=>{t.onContextMenu(e,this)}))}this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]=i["-moz-transform"]=i["-ms-transform"]=i["-o-transform"]=i.transform="rotate("+t+"deg) translate(-"+this._thickness+"px, -"+this._thickness+"px)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]=s["-moz-transform"]=s["-ms-transform"]=s["-o-transform"]=s.transform="rotate("+t+"deg) translate(-"+this._thicknessClickable+"px, -"+this._thicknessClickable+"px)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}_updateVisibility(){this._wire.style.visibility=this._wireClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}const W=c.vec3(),X=c.vec4(),J=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,c.transformVec4(s,t,i),c.setMat4Translation(s,i,o),o.slice()}}();function Y(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function Z(e,t,i,s=1e3){const r=c.getPositionsCenter(e,W),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function q(e,t,i,s,r){const o=r?(X.set(i,0),X[3]=1,c.mulMat4v4(r,X,X)):i,n=c.dotVec3(t,o)+e,a=c.normalizeVec3(t,W);return c.mulVec3Scalar(a,-n,s),s}const $=1,ee=4,te=8,ie=16,se=32,re=256,oe=512,ne=1024,ae=2048,le=new Float32Array([0,0,0]),Ae=new Uint16Array([0,0,0]);c.OBB3();class he{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.isSceneModelEntity=!0,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=c.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=c.AABB3(),this._aabbDirty=!0,this._offset=c.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)c.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag($)}set visible(e){if(!!(this._flags&$)!==e){this._flags=e?this._flags|$:this._flags&~$;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(oe)}set highlighted(e){if(!!(this._flags&oe)!==e){this._flags=e?this._flags|oe:this._flags&~oe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(re)}set xrayed(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(ne)}set selected(e){if(!!(this._flags&ne)!==e){this._flags=e?this._flags|ne:this._flags&~ne;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(ae)}set edges(e){if(!!(this._flags&ae)!==e){this._flags=e?this._flags|ae:this._flags&~ae;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&ee)!==e){this._flags=e?this._flags|ee:this._flags&~ee;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(ie)}set clippable(e){if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(se)}set collidable(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(te)}set pickable(e){if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return le[0]=e[0]/255,le[1]=e[1]/255,le[2]=e[2]/255,le}set colorize(e){if(e){Ae[0]=Math.floor(255*e[0]),Ae[1]=Math.floor(255*e[1]),Ae[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(Ae)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const ce=c.vec4(),ue=c.vec4();class de extends D{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._viewPos=c.vec3(),this._canvasPos=c.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(c.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){ce.set(this._viewPos),ce[3]=1,c.transformPoint4(this.scene.camera.projMatrix,ce,ue);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+ue[0]/ue[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-ue[1]/ue[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){this._entity!==e&&(this._cleanupDestroyedHandlers(),this._entity=e,this._entity&&(this._entity.isSceneModelEntity?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0))}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),Y(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._cleanupDestroyedHandlers(),this._renderer.removeMarker(this),super.destroy()}_cleanupDestroyedHandlers(){this._entity&&(null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null))}}const pe=c.vec2(),fe=c.vec2(),ge=c.vec2(),me=c.vec2(),_e=c.vec3(),ve=c.vec3(),be=c.vec4(),ye=c.vec4(),Be=c.vec4(),xe=c.vec4(),Pe=c.mat4(),we=()=>{};function Ce(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}const Me=(e,t,i)=>{Pe.set(e.viewMatrix),Pe.set(e.projMatrix),i.set(t),i[3]=1,c.mulMat4v4(e.viewMatrix,i,i),c.mulMat4v4(e.projMatrix,i,i)},Ee=(e,t,i,s)=>{s[0]=.5*(1+i[0])*e.offsetWidth,s[1]=.5*(1-i[1])*e.offsetHeight,Ce(e,t,s)},Fe=(e,t,i,s,r,o)=>{const n=e.camera,a=e.canvas.canvas;if(c.distVec3(i,s)<.001)return!1;const l=c.subVec3(s,i,_e);let A=0,h=1;for(let t of e._sectionPlanesState.sectionPlanes){const e=c.dotVec3(t.dir,c.subVec3(t.pos,s,ve)),r=c.dotVec3(t.dir,c.subVec3(t.pos,i,ve));if(r>0&&e>0)return!1;if(r>0||e>0){const e=c.dotVec3(t.dir,l);if(Math.abs(e)>=1e-6){const i=c.dotVec3(t.dir,ve)/e;r>0?A=Math.max(A,i):h=Math.min(h,i)}}}const u=be,d=ye;Me(n,A>0?c.addVec3(i,c.mulVec3Scalar(l,A,ve),ve):i,u),Me(n,h<1?c.addVec3(i,c.mulVec3Scalar(l,h,ve),ve):s,d);const p=u[2]/u[3]<-1||u[3]<0,f=d[2]/d[3]<-1||d[3]<0;if(p&&f)return!1;const g=(u[3]+u[2])/(u[3]+u[2]-(d[3]+d[2]));if(g>0&&g<1){const e=c.subVec4(d,u,Be);c.mulVec4Scalar(e,g,e),c.addVec4(u,e,p?u:d)}c.mulVec4Scalar(u,1/u[3]),c.mulVec4Scalar(d,1/d[3]);let m=0,_=1;for(let e=0;e<2;++e){const t=d[e]-u[e],i=(-u[3]-u[e])/t,s=(u[3]-u[e])/t;t>0?(m=Math.max(m,i),_=Math.min(_,s)):(m=Math.max(m,s),_=Math.min(_,i))}if(m>=_)return!1;const v=c.subVec4(d,u,Be);return c.addVec4(u,c.mulVec4Scalar(v,_,xe),d),c.addVec4(u,c.mulVec4Scalar(v,m,xe),u),c.mulVec4Scalar(u,1/u[3]),c.mulVec4Scalar(d,1/d[3]),Ee(a,t,u,r),Ee(a,t,d,o),!0};class Ie extends de{constructor(e,t,i,s={}){const r=e.camera;super(e,t),this.__visible=!0;const o=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new G(i,{borderColor:s.borderColor,fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:o(s.onMouseOver,"mouseover"),onMouseLeave:o(s.onMouseLeave,"mouseleave"),onMouseWheel:o(s.onMouseWheel,"wheel"),onMouseDown:o(s.onMouseDown,"mousedown"),onMouseUp:o(s.onMouseUp,"mouseup"),onMouseMove:o(s.onMouseMove,"mousemove"),onTouchstart:o(s.onTouchstart,"touchstart"),onTouchmove:o(s.onTouchmove,"touchmove"),onTouchend:o(s.onTouchend,"touchend"),onContextMenu:o(s.onContextMenu,"contextmenu")});const n=()=>{if(!this.__visible)return;const t=Be;((e,t)=>{t.set(e),t[3]=1,c.mulMat4v4(r.viewMatrix,t,t),c.mulMat4v4(r.projMatrix,t,t)})(this.worldPos,t),c.mulVec3Scalar(t,1/t[3]);const s=t[3]<0||t[0]<-1||t[0]>1||t[1]<-1||t[1]>1||t[2]<-1||t[2]>1||e._sectionPlanesState.sectionPlanes.some((e=>c.dotVec3(e.dir,c.subVec3(e.pos,this.worldPos,_e))>0));this._dot.setCulled(s),s||((t=>{const s=e.canvas.canvas;t[0]=.5*(1+t[0])*s.offsetWidth,t[1]=.5*(1-t[1])*s.offsetHeight,Ce(s,i,t)})(t),this._dot.setPos(t[0],t[1]))};this.on("worldPos",n);const a=r.on("viewMatrix",n),l=r.on("projMatrix",n),A=e.canvas.on("boundary",n),h=e.on("sectionPlaneUpdated",n);this._updatePosition=n,this._cleanup=()=>{r.off(a),r.off(l),e.canvas.off(A),e.off(h),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setFillColor(e){this._dot.setFillColor(e)}setBorderColor(e){this._dot.setBorderColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePosition(),this._dot.setVisible(e))}destroy(){this._cleanup(),super.destroy()}}class De{constructor(e,t,i){const s=e.camera;this._label=new z(t,i),this._start=c.vec3(),this._mid=c.vec3(),this._end=c.vec3(),this._yOff=0,this._betweenWires=!1,this.__visible=!0;const r=(e,t,i)=>{e[0]+=t[0],e[1]+=t[1],c.mulVec2Scalar(e,.5),this._label.setPos(e[0],e[1]+i)};this._updatePositions=()=>{if(this.__visible)if(this._betweenWires){const i=Fe(e,t,this._start,this._mid,pe,fe),s=Fe(e,t,this._end,this._mid,ge,me);this._label.setCulled(!(i||s)),i&&s?(fe[0]+=me[0],fe[1]+=me[1],c.mulVec2Scalar(fe,.5),fe[0]+=pe[0]+ge[0],fe[1]+=pe[1]+ge[1],c.mulVec2Scalar(fe,1/3),this._label.setPos(fe[0],fe[1])):i?r(pe,fe,0):s&&r(ge,me,0)}else{const i=Fe(e,t,this._start,this._end,pe,fe)&&c.distVec2(pe,fe)>=this._labelMinAxisLength;this._label.setCulled(!i),i&&r(pe,fe,this._yOff)}};const o=s.on("viewMatrix",this._updatePositions),n=s.on("projMatrix",this._updatePositions),a=e.canvas.on("boundary",this._updatePositions),l=e.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=()=>{s.off(o),s.off(n),e.canvas.off(a),e.off(l),this._label.destroy()}}setPosOnWire(e,t,i,s){this._start.set(e),this._end.set(t),this._yOff=i,this._labelMinAxisLength=s,this._betweenWires=!1,this._updatePositions()}setPosBetween(e,t,i){this._start.set(e),this._mid.set(t),this._end.set(i),this._betweenWires=!0,this._updatePositions()}setFillColor(e){this._label.setFillColor(e)}setHighlighted(e){this._label.setHighlighted(e)}setText(e){this._label.setText(e)}setClickable(e){this._label.setClickable(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._label.setVisible(e))}destroy(){this._cleanup()}}class Se{constructor(e,t,i){const s=e.camera;this._wire=new K(t,i),this._start=c.vec3(),this._end=c.vec3(),this.__visible=!0,this._updatePositions=()=>{if(!this.__visible)return;const i=Fe(e,t,this._start,this._end,pe,fe);this._wire.setCulled(!i),i&&this._wire.setStartAndEnd(pe[0],pe[1],fe[0],fe[1])};const r=s.on("viewMatrix",this._updatePositions),o=s.on("projMatrix",this._updatePositions),n=e.canvas.on("boundary",this._updatePositions),a=e.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=()=>{s.off(r),s.off(o),e.canvas.off(n),e.off(a),this._wire.destroy()}}setEnds(e,t){this._start.set(e),this._end.set(t),this._updatePositions()}setClickable(e){this._wire.setClickable(e)}setColor(e){this._wire.setColor(e)}setHighlighted(e){this._wire.setHighlighted(e)}setOpacity(e){this._wire.setOpacity(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._wire.setVisible(e))}destroy(){this._cleanup()}}function Te(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",we),l=i("onMove",we),A=i("onEnd",we),h=s.scene,u=h.canvas.canvas,d=e=>{const t=c.vec2([e.clientX,e.clientY]);Ce(u.ownerDocument.documentElement,u,t),l(t,(e=>{const t=c.vec3(),i=c.vec3();return c.canvasPosToWorldRay(u,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&d(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),d(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(u.addEventListener("mousemove",f),u.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{u.removeEventListener("mousemove",f),u.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function Re(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",we),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return Te(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}const Le=function(e,t,i){return function(s,r,o){const n=e.scene,a=n.canvas.canvas,l=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,Ce(a.ownerDocument.documentElement,a,t),t),A=e=>{const t=c.vec3(),s=c.vec3();return c.canvasPosToWorldRay(a,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,t,s),i(t,s)};let h=null;const u=()=>{};let d,p=u;const f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=u,d=null},g=function(){f(),a.removeEventListener("touchstart",m),a.removeEventListener("touchmove",_),a.removeEventListener("touchend",v)},m=function(i){const o=i.touches;if(1!==o.length)f(),s();else{const i=o[0],s=l(i,c.vec2());A(s)&&(d=i.identifier,p=e=>{c.distVec2(s,e)>20&&f()},h=setTimeout((function(){t.start(s),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=e=>{r(e,A(e))},p(s)}),300)}),250))}};a.addEventListener("touchstart",m,{passive:!0});const _=function(e){const t=[...e.changedTouches].find((e=>e.identifier===d));t&&p(l(t,c.vec2()))};a.addEventListener("touchmove",_,{passive:!0});const v=function(e){const t=[...e.changedTouches].find((e=>e.identifier===d));if(t){g();const e=l(t,c.vec2());o(e,A(e))}};return a.addEventListener("touchend",v,{passive:!0}),g}},Ue=c.vec3(),Oe=c.vec3();class ke extends D{constructor(e,t={}){const i=e.viewer.scene;super(i,t),this.plugin=e;const s=t.container;if(!s)throw"config missing: container";this._color=t.color||e.defaultColor;const r=function(e){const t=[];let i=!1!==e;return{reg:e=>t.push(e),get:()=>i,set:e=>{i=!1!==e,t.forEach((e=>e(i)))}}};this._visible=r(t.visible),this._originVisible=r(t.originVisible),this._cornerVisible=r(t.cornerVisible),this._targetVisible=r(t.targetVisible),this._originWireVisible=r(t.originWireVisible),this._targetWireVisible=r(t.targetWireVisible),this._angleVisible=r(t.angleVisible),this._labelsVisible=r(),this.labelsVisible=t.labelsVisible,this._clickable=r(!1),this.approximate=t.approximate;const o=i.canvas.canvas,n=t.onMouseOver?e=>{t.onMouseOver(e,this),o.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=t.onMouseLeave?e=>{t.onMouseLeave(e,this),o.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>o.dispatchEvent(new MouseEvent("mousedown",e)),h=e=>o.dispatchEvent(new MouseEvent("mouseup",e)),c=e=>o.dispatchEvent(new MouseEvent("mousemove",e)),u=e=>o.dispatchEvent(new WheelEvent("wheel",e));this._cleanups=[],this._drawables=[];const d=(e,t)=>{const i=()=>e.setVisible(t.every((e=>e.get())));t.forEach((e=>e.reg(i))),this._drawables.push(e),this._cleanups.push((()=>e.destroy()))},p=(t,r,o)=>{const p=new Se(i,s,{color:t,thickness:r,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return d(p,o),{setEnds:(e,t)=>p.setEnds(e,t),setColor:e=>p.setColor(e)}};this._originWire=p(this._color||"blue",1,[this._visible,this._originWireVisible]),this._targetWire=p(this._color||"red",1,[this._visible,this._targetWireVisible]);this._angleLabel=((t,r,o)=>{const p=new De(i,s,{fillColor:t,zIndex:e.zIndex+r,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return d(p,o),{setFillColor:e=>p.setFillColor(e),setPosOnWire:(e,t,i)=>p.setPosOnWire(e,t,i),setPosBetween:(e,t,i)=>p.setPosBetween(e,t,i),setText:e=>p.setText(e)}})(this._color||"#00BBFF",2,[this._visible,this._angleVisible,this._labelsVisible]);const f=(t,r)=>{const o=new Ie(i,t,s,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return o.on("worldPos",(()=>this._update())),d(o,r),o};this._originDot=f(t.origin,[this._visible,this._originVisible]),this._cornerDot=f(t.corner,[this._visible,this._cornerVisible]),this._targetDot=f(t.target,[this._visible,this._targetVisible]),this._update()}_update(){if(!this._targetDot)return;const e=this._originDot.worldPos,t=this._cornerDot.worldPos,i=this._targetDot.worldPos;this._originWire.setEnds(e,t),this._targetWire.setEnds(t,i),this._angleLabel.setPosBetween(e,t,i),c.subVec3(e,t,Ue),c.subVec3(i,t,Oe),c.lenVec3(Ue)>0&&c.lenVec3(Oe)>0?(c.normalizeVec3(Ue),c.normalizeVec3(Oe),this._angle=Math.abs(c.angleVec3(Ue,Oe))*c.RADTODEG,this._angleLabel.setText((this._approximate?" ~ ":" = ")+this._angle.toFixed(2)+"°")):(this._angle=void 0,this._angleLabel.setText(""))}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._angle}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF")}set visible(e){this._visible.set(e)}get visible(){return this._visible.get()}set originVisible(e){this._originVisible.set(e)}get originVisible(){return this._originVisible.get()}set cornerVisible(e){this._cornerVisible.set(e)}get cornerVisible(){return this._cornerVisible.get()}set targetVisible(e){this._targetVisible.set(e)}get targetVisible(){return this._targetVisible.get()}set originWireVisible(e){this._originWireVisible.set(e)}get originWireVisible(){return this._originWireVisible.get()}set targetWireVisible(e){this._targetWireVisible.set(e)}get targetWireVisible(){return this._targetWireVisible.get()}set angleVisible(e){this._angleVisible.set(e)}get angleVisible(){return this._angleVisible.get()}set labelsVisible(e){this._labelsVisible.set(void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible)}get labelsVisible(){return this._labelsVisible.get()}setHighlighted(e){this._drawables.forEach((t=>t.setHighlighted(e)))}set clickable(e){this._clickable.set(!!e),this._drawables.forEach((e=>e.setClickable(this._clickable.get())))}get clickable(){return this._clickable.get()}destroy(){this._cleanups.forEach((e=>e())),super.destroy()}}class Ne extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Qe extends Ne{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=c.vec3(),A=c.vec2();this._currentAngleMeasurement=null;const h=c.vec2(),u=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:if(this._canvasToPagePos)this._canvasToPagePos(t,i,h),this.markerDiv.style.left=h[0]-5+"px",this.markerDiv.style.top=h[1]-5+"px";else{const e=c.vec2(i);Ce(t,this.markerDiv.parentNode,e),this.markerDiv.style.left=e[0]-5+"px",this.markerDiv.style.top=e[1]-5+"px"}break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&u(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||u(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:c.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const d=e=>{if(r=!1,s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&d(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||d(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Ve extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=Re({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}const He=c.vec3(),je=c.vec3(),Ge=c.vec3();class ze extends de{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._onContextMenuExternalMarker=()=>{this.plugin.fire("contextmenu",this)},this._onContextMenuExternalMarkerRemover=j(this._marker,this._onContextMenuExternalMarker),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),j(this._marker,(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=c.normalizeVec3(e.worldNormal,He),i=this.plugin&&this.plugin.surfaceOffset||0,s=c.mulVec3Scalar(t,i,je),r=c.addVec3(e.worldPos,s,Ge);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._onContextMenuExternalMarkerRemover(),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class Ke extends D{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const We=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class Xe extends D{constructor(e,t={}){super(e,t),this._backgroundColor=c.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new Ke(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+c.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<We.length;e++)try{this.gl=this.canvas.getContext(We[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class Je{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=c.vec3(),this.snapPickOrigin=c.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),J(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;J(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=c.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const Ye={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},Ze=document.createElement("canvas");if(Ze){const e=Ze.getContext("webgl",{antialias:!0})||Ze.getContext("experimental-webgl",{antialias:!0});Ye.WEBGL=!!e,Ye.WEBGL&&(Ye.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?Ye.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?Ye.FS_MAX_FLOAT_PRECISION="mediump":Ye.FS_MAX_FLOAT_PRECISION="lowp":Ye.FS_MAX_FLOAT_PRECISION="mediump",Ye.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),Ye.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),Ye.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),Ye.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),Ye.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),Ye.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),Ye.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),Ye.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),Ye.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),Ye.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){Ye.SUPPORTED_EXTENSIONS[e]=!0})))}class qe{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class $e{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class et{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class tt{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const it=new e({});function st(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function rt(e){console.error(e.join("\n"))}class ot{constructor(e,t){this.id=it.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new $e(e,e.VERTEX_SHADER,st(this.source.vertex)),this._fragmentShader=new $e(e,e.FRAGMENT_SHADER,st(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void rt(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void rt(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void rt(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void rt(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void rt(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new et(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new tt(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(it.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class nt{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class at{constructor(e,t){this.scene=e,this.aabb=c.AABB3(),this.origin=c.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;c.collapseAABB3(e),c.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new nt(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const lt=c.vec3([1,0,0]),At=c.vec3();class ht{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new at(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new at(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new ot(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,J(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,q(i.dist,i.dir,o,At)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*lt[0],i=255*lt[1],s=255*lt[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const ct=c.vec2();class ut{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,u=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;ct[0]=o,ct[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,u),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,ct),t.uniform1f(this._uRandomSeed,d);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new ot(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new nt(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new nt(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new nt(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const dt=new Float32Array(vt(17,[0,1])),pt=new Float32Array(vt(17,[1,0])),ft=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(_t(s,t));return i}(17,4)),gt=new Float32Array(2);class mt{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new ot(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new nt(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new nt(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new nt(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),gt[0]=n,gt[1]=a,s.uniform2fv(this._uViewport,gt),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,pt):s.uniform2fv(this._uSampleOffsets,dt),s.uniform1fv(this._uSampleWeights,ft);const u=e.getDepthTexture(),d=t.getTexture();r.bindTexture(this._uDepthTexture,u,0),r.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function _t(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function vt(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class bt{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class yt{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new bt(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function Bt(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const xt=c.vec3([0,0,0]),Pt=function(t,i){i=i||{};const s=new Je(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},u=[],d=[],f=!0,g=!0,m=!0,_=!0,v=!0,b=!0,y=!0,B=!0;const x=new yt(t);let P=!1;const w=new ut(t),C=new mt(t);function M(){f&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),f=!1,g=!0),g&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];u[e++]=s}}u.length=e,u.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),g=!1,m=!0),m&&function(){let e=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.rebuildRenderFlags(),i.renderFlags.culled||(d[e++]=i)}d.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!Bt(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!Bt(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!Bt(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!Bt(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!Bt(o,"WEBGL_compressed_texture_pvrtc")&&!Bt(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,m=!0},this.setEdgesEnabled=function(e){v=e,m=!0},this.setSAOEnabled=function(e){b=e,m=!0},this.setPBREnabled=function(e){y=e,m=!0},this.setColorTextureEnabled=function(e){B=e,m=!0},this.needStateSort=function(){g=!0},this.shadowsDirty=function(){},this.imageDirty=function(){m=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){w.init(),C.init(),m=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,f=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],f=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return m||f||g},this.render=function(e){(e=e||{}).force&&(m=!0),M(),m&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=x.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=x.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),w.render(r),n.unbind(),i.blur){const e=x.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],u=[],f=[],g=[],m=[],P=[],w=[],C=[],M=[],E=[],F=[],I=[],D=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=B&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?D:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const S=t.sao.possible;if(b&&S){const e=x.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let T,R;const L=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,K=0,W=0,X=0,J=0,Y=0,Z=0;for(let e=0,t=d.length;e<t;e++){if(R=d[e],!0===R.culled||!1===R.visible)continue;const t=R.renderFlags;t.colorOpaque&&(b&&S&&R.saoEnabled?i[U++]=R:R.drawColorOpaque(s)),_&&t.colorTransparent&&(l[k++]=R),t.xrayedSilhouetteTransparent&&(f[H++]=R),t.xrayedSilhouetteOpaque&&(h[Q++]=R),t.highlightedSilhouetteTransparent&&(w[K++]=R),t.highlightedSilhouetteOpaque&&(m[G++]=R),t.selectedSilhouetteTransparent&&(F[Y++]=R),t.selectedSilhouetteOpaque&&(M[X++]=R),R.edges&&v&&(t.edgesOpaque&&(r[O++]=R),t.edgesTransparent&&(A[N++]=R),t.selectedEdgesTransparent&&(I[Z++]=R),t.selectedEdgesOpaque&&(E[J++]=R),t.xrayedEdgesTransparent&&(g[j++]=R),t.xrayedEdgesOpaque&&(u[V++]=R),t.highlightedEdgesTransparent&&(C[W++]=R),t.highlightedEdgesOpaque&&(P[z++]=R))}if(U>0)for(s.withSAO=!0,T=0;T<U;T++)i[T].drawColorOpaque(s);if(O>0)for(T=0;T<O;T++)r[T].drawEdgesColorOpaque(s);if(Q>0)for(T=0;T<Q;T++)h[T].drawSilhouetteXRayed(s);if(V>0)for(T=0;T<V;T++)u[T].drawEdgesXRayed(s);if(H>0||j>0||k>0||N>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(k>0||N>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),N>0)for(T=0;T<N;T++)R=A[T],R.drawEdgesColorTransparent(s);if(k>0){const e=s.pickOrigin||t.camera.eye,i=l.map((t=>({drawable:t,distSq:c.distVec3(t.origin||xt,e)})));for(i.sort(((e,t)=>t.distSq-e.distSq)),T=0;T<k;T++)i[T].drawable.drawColorTransparent(s)}if(j>0)for(T=0;T<j;T++)g[T].drawEdgesXRayed(s);if(H>0)for(T=0;T<H;T++)f[T].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(G>0||z>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),z>0)for(T=0;T<z;T++)P[T].drawEdgesHighlighted(s);if(G>0)for(T=0;T<G;T++)m[T].drawSilhouetteHighlighted(s)}if(K>0||W>0||G>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(T=0;T<W;T++)C[T].drawEdgesHighlighted(s);if(K>0)for(T=0;T<K;T++)w[T].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(X>0||J>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),J>0)for(T=0;T<J;T++)E[T].drawEdgesSelected(s);if(X>0)for(T=0;T<X;T++)M[T].drawSilhouetteSelected(s)}if(Y>0||Z>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Z>0)for(T=0;T<Z;T++)I[T].drawEdgesSelected(s);if(Y>0)for(T=0;T<Y;T++)F[T].drawSilhouetteSelected(s);o.disable(o.BLEND)}const q=Date.now(),$=p.frame;$.renderTime=(q-L)/1e3,$.drawElements=s.drawElements,$.drawArrays=s.drawArrays,$.useProgram=s.useProgram,$.bindTexture=s.bindTexture,$.bindArray=s.bindArray;const ee=Ye.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<ee;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const te=Ye.MAX_VERTEX_ATTRIBS;for(let e=0;e<te;e++)o.disableVertexAttribArray(e)}(e)}(e),p.frame.frameCount++,m=!1)},this.pick=function(){const e=c.vec3();c.mat4();const i=c.mat4(),n=c.vec3(),a=c.vec3([0,1,0]),h=new qe,u=c.vec2(),p=c.vec3(),f=c.vec3(),g=c.vec3();return c.vec3(),c.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,B=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,B=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,B=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=c.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),c.normalizeVec3(n),c.cross3Vec3(g,n,a),b=c.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,B="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const P=x.getRenderBuffer("pick",{size:[1,1]});P.bind();const w=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,u=a.excludeEntityIds;for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||u&&u[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(P,p,b,y,m,_);if(!w)return P.unbind(),null;const C=w.delegatePickedEntity?w.delegatePickedEntity():w;return C?(m.pickSurface&&(w.canPickTriangle&&w.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(P,w,p,b,y,_),w.pickTriangleSurface(b,y,B,_),_.pickSurfacePrecision=!1):w.canPickWorldPos&&w.canPickWorldPos()&&(u[0]=t.camera.project.near,u[1]=t.camera.project.far,F(P,w,p,b,y,u,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=x.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const u=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const d=[u[0]/c.MAX_INT,u[1]/c.MAX_INT,u[2]/c.MAX_INT];c.normalizeVec3(d),l.worldNormal=d}(0,w,p,b,y,_),_.pickSurfacePrecision=!1)),P.unbind(),_.entity=C,_):(P.unbind(),null)}}();const F=function(){const e=c.vec4(),i=c.vec4(),n=c.vec4(),a=c.vec4(),l=c.vec4(),A=c.mat4(),h=c.mat4(),u=c.mat4();return function(d,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return c.dotVec4(t,i)}(d.read(0,0)),B=(f[0]-r.clientWidth/2)/(r.clientWidth/2),x=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),P=p.origin;let w;if(P){const e=J(g,P,A);w=c.mulMat4(m,e,h)}else w=c.mulMat4(m,g,h);const C=c.inverseMat4(w,u);e[0]=B,e[1]=x,e[2]=-1,e[3]=1;let M=c.transformVec4(C,e);M=c.mulVec4Scalar(M,1/M[3]),i[0]=B,i[1]=x,i[2]=1,i[3]=1;let E=c.transformVec4(C,i);E=c.mulVec4Scalar(E,1/E[3]);const F=c.subVec3(E,M,n),I=c.addVec3(M,c.mulVec4Scalar(F,y,a),l);P&&c.addVec3(I,P),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new qe;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:u,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=u||30,_=x.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:c.lookAtMat4v(a,c.addVec3(a,h,c.vec3()),c.vec3([0,1,0]),c.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const B=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),P=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),w=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=B.slice(F,F+4),R=P.slice(F,F+4),L=w.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=c.normalizeVec3([R[0]/c.MAX_INT,R[1]/c.MAX_INT,R[2]/c.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<B.length;e+=4)if(B[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?B[e+3]>y.length/2:p,result:[B[e+0],B[e+1],B[e+2],B[e+3]],normal:[P[e+0],P[e+1],P[e+2],P[e+3]],id:[w[e+0],w[e+1],w[e+2],w[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=c.normalizeVec3([t[0]/c.MAX_INT,t[1]/c.MAX_INT,t[2]/c.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new ht(t,x),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=x.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),m=!0},this.beginSnapshot=function(e={}){const t=x.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),P=!0},this.renderSnapshot=function(){if(!P)return;x.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),m=!0},this.readSnapshot=function(e){return x.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return x.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!P)return;x.getRenderBuffer("snapshot").unbind(),P=!1},this.destroy=function(){A={},h={},x.destroy(),w.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class wt extends D{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.MOUSE_LEFT_BUTTON=260,this.MOUSE_MIDDLE_BUTTON=261,this.MOUSE_RIGHT_BUTTON=262,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=c.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){const t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const Ct=new e({});class Mt{constructor(e){this.id=Ct.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){Ct.removeItem(this.id)}}class Et extends D{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new Mt({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class Ft extends D{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Mt({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),c.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class It extends D{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Mt({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),c.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class Dt extends D{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Mt({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){c.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class St extends D{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Mt({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const Tt=c.vec3(),Rt=c.vec3(),Lt=c.vec3(),Ut=c.vec3(),Ot=c.vec3(),kt=c.vec3(),Nt=c.vec4(),Qt=c.vec4(),Vt=c.vec4(),Ht=c.mat4(),jt=c.mat4(),Gt=c.vec3(),zt=c.vec3(),Kt=c.vec3(),Wt=c.vec3();class Xt extends D{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new Mt({deviceMatrix:c.mat4(),hasDeviceMatrix:!1,matrix:c.mat4(),normalMatrix:c.mat4(),inverseMatrix:c.mat4()}),this._perspective=new Ft(this),this._ortho=new It(this),this._frustum=new Dt(this),this._customProjection=new St(this),this._project=this._perspective,this._eye=c.vec3([0,0,10]),this._look=c.vec3([0,0,0]),this._up=c.vec3([0,1,0]),this._worldUp=c.vec3([0,1,0]),this._worldRight=c.vec3([1,0,0]),this._worldForward=c.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(c.subVec3(this._eye,this._look,Gt),c.normalizeVec3(Gt,zt),c.mulVec3Scalar(zt,1e3,Kt),c.addVec3(this._look,Kt,Wt),t=Wt):t=this._eye,e.hasDeviceMatrix?(c.lookAtMat4v(t,this._look,this._up,jt),c.mulMat4(e.deviceMatrix,jt,e.matrix)):c.lookAtMat4v(t,this._look,this._up,e.matrix),c.inverseMat4(this._state.matrix,this._state.inverseMatrix),c.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=c.subVec3(this._eye,this._look,Tt);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Ht),t=c.transformPoint3(Ht,t,Rt),this.eye=c.addVec3(this._look,t,Lt),this.up=c.transformPoint3(Ht,this._up,Ut)}orbitPitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._eye,this._look,Tt);const i=c.cross3Vec3(c.normalizeVec3(t,Rt),c.normalizeVec3(this._up,Lt));c.rotationMat4v(.0174532925*e,i,Ht),t=c.transformPoint3(Ht,t,Ut),this.up=c.transformPoint3(Ht,this._up,Ot),this.eye=c.addVec3(t,this._look,kt)}yaw(e){let t=c.subVec3(this._look,this._eye,Tt);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Ht),t=c.transformPoint3(Ht,t,Rt),this.look=c.addVec3(t,this._eye,Lt),this._gimbalLock&&(this.up=c.transformPoint3(Ht,this._up,Ut))}pitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._look,this._eye,Tt);const i=c.cross3Vec3(c.normalizeVec3(t,Rt),c.normalizeVec3(this._up,Lt));c.rotationMat4v(.0174532925*e,i,Ht),this.up=c.transformPoint3(Ht,this._up,kt),t=c.transformPoint3(Ht,t,Ut),this.look=c.addVec3(t,this._eye,Ot)}pan(e){const t=c.subVec3(this._eye,this._look,Tt),i=[0,0,0];let s;if(0!==e[0]){const r=c.cross3Vec3(c.normalizeVec3(t,[]),c.normalizeVec3(this._up,Rt));s=c.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=c.mulVec3Scalar(c.normalizeVec3(this._up,Lt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=c.mulVec3Scalar(c.normalizeVec3(t,Ut),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=c.addVec3(this._eye,i,Ot),this.look=c.addVec3(this._look,i,kt)}zoom(e){const t=c.subVec3(this._eye,this._look,Tt),i=Math.abs(c.lenVec3(t,Rt)),s=Math.abs(i+e);if(s<.5)return;const r=c.normalizeVec3(t,Lt);this.eye=c.addVec3(this._look,c.mulVec3Scalar(r,s),Ut)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=c.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return c.lenVec3(c.subVec3(this._look,this._eye,Tt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=Nt,i=Qt,s=Vt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,c.mulMat4v4(this.viewMatrix,t,i),c.mulMat4v4(this.projMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Jt extends D{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class Yt extends Jt{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new Mt({type:"dir",dir:c.vec3([1,1,1]),color:c.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=c.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];c.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=c.identityMat4()),c.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new bt(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class Zt extends Jt{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:c.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class qt extends D{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),p.memory.meshes++}destroy(){super.destroy(),p.memory.meshes--}}var $t=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],c.decompressPosition(n,i,A),c.decompressPosition(a,i,h),c.decompressPosition(l,i,u)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],u[0]=e[v],u[1]=e[v+1],u[2]=e[v+2]),c.subVec3(u,h,d),c.subVec3(A,h,p),c.cross3Vec3(d,p,f),c.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:c.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],B=Math.cos(c.DEGTORAD*b),x={};let P,w,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)P=s[e+i],w=s[e+(i+1)%3],C=Math.min(P,w),M=Math.max(P,w),E=C+","+M,void 0===x[E]?x[E]={index1:C,index2:M,face1:t,face2:void 0}:x[E].face2=t}for(E in x)F=x[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=c.dotVec3(I,D),S>B)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const ei=function(){const e=c.mat4(),t=c.mat4();return function(i,s){s=s||c.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return c.identityMat4(e),c.translationMat4v(i,e),c.identityMat4(t),c.scalingMat4v([a/h,l/h,A/h],t),c.mulMat4(e,t,s),s}}();var ti=function(){const e=c.mat4(),t=c.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));c.identityMat4(e),c.translationMat4v(s,e),c.identityMat4(t),c.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:c.mulMat4(e,t,c.identityMat4())}}}();var ii=function(){const e=c.mat3(),t=c.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));c.identityMat3(e),c.translationMat3v(s,e),c.identityMat3(t),c.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:c.mulMat3(e,t,c.identityMat3())}}}();function si(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function ri(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function oi(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const ni={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:ei,compressPositions:ti,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:ii,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=si(e,a,"floor","floor"),s=ri(i),o=n=oi(e,a,s),i=si(e,a,"ceil","floor"),s=ri(i),o=oi(e,a,s),o>n&&(r=i,n=o),i=si(e,a,"floor","ceil"),s=ri(i),o=oi(e,a,s),o>n&&(r=i,n=o),i=si(e,a,"ceil","ceil"),s=ri(i),o=oi(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},ai=p.memory,li=c.AABB3();class Ai extends qt{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new Mt({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=ni.getPositionsBounds(t.positions),s=ni.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=ni.getUVBounds(t.uv),s=ni.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=ni.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),ai.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new nt(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),ai.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new nt(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),ai.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new nt(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),ai.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new nt(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),ai.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new nt(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),ai.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=$t(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new nt(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),ai.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=c.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new nt(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new nt(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),ai.positions+=this._pickTrianglePositionsBuf.numItems,ai.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),ni.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=ni.getPositionsBounds(e),s=ni.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),ni.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),ni.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=c.AABB3()),c.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=c.OBB3()),c.positions3ToAABB3(this._state.positions,li,this._state.positionsDecodeMatrix),c.AABB3ToOBB3(li,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),ai.meshes--}}function hi(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class ci extends D{get type(){return"Material"}constructor(e,t={}){super(e,t),p.memory.materials++}destroy(){super.destroy(),p.memory.materials--}}const ui={opaque:0,mask:1,blend:2},di=["opaque","mask","blend"];class pi extends ci{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new Mt({type:"PhongMaterial",ambient:c.vec3([1,1,1]),diffuse:c.vec3([1,1,1]),specular:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=ui[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return di[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const fi={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class gi extends ci{get type(){return"EmphasisMaterial"}get presets(){return fi}constructor(e,t={}){super(e,t),this._state=new Mt({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=fi[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(fi).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const mi={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class _i extends ci{get type(){return"EdgeMaterial"}get presets(){return mi}constructor(e,t={}){super(e,t),this._state=new Mt({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=mi[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(mi).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const vi={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class bi extends D{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=c.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return vi}set units(e){e||(e="meters");vi[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=c.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=c.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class yi extends D{constructor(e,t={}){super(e,t),this._supported=Ye.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class Bi extends D{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const xi={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class Pi extends ci{get type(){return"PointsMaterial"}get presets(){return xi}constructor(e,t={}){super(e,t),this._state=new Mt({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=xi[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(xi).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const wi={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class Ci extends ci{get type(){return"LinesMaterial"}get presets(){return wi}constructor(e,t={}){super(e,t),this._state=new Mt({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=wi[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(wi).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function Mi(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class Ei extends D{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new Xe(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new Pt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=c.vec4([0,0,0,0]),t=c.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new wt(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new bi(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new yi(this,{enabled:t.saoEnabled}),this.crossSections=new Bi(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,M._addScene(this),this._initDefaults(),this._viewport=new Et(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new Xt(this,{id:"default.camera",dontClear:!0}),new Zt(this,{color:[1,1,1],intensity:.7}),new Yt(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Yt(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+_.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=c.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],_.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&M.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=c.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||hi(Ai)}get material(){return this.components["default.material"]||new pi(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new gi(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new gi(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new gi(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new _i(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new Pi(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new Ci(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=c.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=c.AABB3());let e,t=c.MAX_DOUBLE,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MIN_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=Mi(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=Mi(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(_.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MAX_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE,a=c.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=c.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){_.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=c.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const Fi=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=Si(e),u=s.getNumAllocatedSectionPlanes()>0,d=Di(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=Si(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=Di(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Ii[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Ii[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Ii[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Ii[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Ii[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Ii[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Ii={};function Di(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function Si(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Ii[3e3]="linearToLinear",Ii[3001]="sRGBToLinear";const Ti=c.vec3(),Ri=new e({}),Li=function(e,t){this.id=Ri.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Fi(t),this._allocate(t)},Ui={};Li.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=Ui[i];if(!s){if(s=new Li(i,e),s.errors)return console.log(s.errors.join("\n")),null;Ui[i]=s,p.memory.programs++}return s._useCount++,s},Li.prototype.put=function(){0==--this._useCount&&(Ri.removeItem(this.id),this._program&&this._program.destroy(),delete Ui[this._hash],p.memory.programs--)},Li.prototype.webglContextRestored=function(){this._program=null},Li.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=Ye.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=q(i.dist,i.dir,c,Ti);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},Li.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new ot(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},Li.prototype._bindProgram=function(e){const t=Ye.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class Oi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const ki=new e({}),Ni=c.vec3(),Qi=function(e,t){this.id=ki.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Oi(t),this._allocate(t)},Vi={};Qi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Vi[t];return i||(i=new Qi(t,e),Vi[t]=i,p.memory.programs++),i._useCount++,i},Qi.prototype.put=function(){0==--this._useCount&&(ki.removeItem(this.id),this._program&&this._program.destroy(),delete Vi[this._hash],p.memory.programs--)},Qi.prototype.webglContextRestored=function(){this._program=null},Qi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=q(i.dist,i.dir,A,Ni);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Qi.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new ot(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Qi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class Hi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const ji=new e({}),Gi=c.vec3(),zi=function(e,t){this.id=ji.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Hi(t),this._allocate(t)},Ki={};zi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Ki[t];return i||(i=new zi(t,e),Ki[t]=i,p.memory.programs++),i._useCount++,i},zi.prototype.put=function(){0==--this._useCount&&(ji.removeItem(this.id),this._program&&this._program.destroy(),delete Ki[this._hash],p.memory.programs--)},zi.prototype.webglContextRestored=function(){this._program=null},zi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=q(i.dist,i.dir,h,Gi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},zi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new ot(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},zi.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class Wi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const Xi=c.vec3(),Ji=function(e,t){this._hash=e,this._shaderSource=new Wi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Yi={};Ji.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=Yi[t];if(!i){if(i=new Ji(t,e),i.errors)return console.log(i.errors.join("\n")),null;Yi[t]=i,p.memory.programs++}return i._useCount++,i},Ji.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Yi[this._hash],p.memory.programs--)},Ji.prototype.webglContextRestored=function(){this._program=null},Ji.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=q(i.dist,i.dir,a,Xi);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Ji.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new ot(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},Ji.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class Zi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const qi=c.vec3(),$i=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Zi(t),this._allocate(t)},es={};$i.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=es[t];if(!i){if(i=new $i(t,e),i.errors)return console.log(i.errors.join("\n")),null;es[t]=i,p.memory.programs++}return i._useCount++,i},$i.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete es[this._hash],p.memory.programs--)},$i.prototype.webglContextRestored=function(){this._program=null},$i.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=q(i.dist,i.dir,l,qi);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},$i.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new ot(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class ts{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const is=c.vec3(),ss=function(e,t){this._hash=e,this._shaderSource=new ts(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},rs={};ss.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=rs[t];if(!i){if(i=new ss(t,e),i.errors)return console.log(i.errors.join("\n")),null;rs[t]=i,p.memory.programs++}return i._useCount++,i},ss.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete rs[this._hash],p.memory.programs--)},ss.prototype.webglContextRestored=function(){this._program=null},ss.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=q(i.dist,i.dir,a,is);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},ss.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new ot(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},ss.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class os{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const ns=function(e,t){this._hash=e,this._shaderSource=new os(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},as={};ns.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=as[i];if(!s){if(s=new ns(i,e),s.errors)return console.log(s.errors.join("\n")),null;as[i]=s,p.memory.programs++}return s._useCount++,s},ns.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete as[this._hash],p.memory.programs--)},ns.prototype.webglContextRestored=function(){this._program=null},ns.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},ns.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new ot(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},ns.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class ls{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const As=c.OBB3(),hs=c.vec4(),cs=c.vec4(),us=c.vec4(),ds=c.vec3([1,0,0]),ps=c.vec3([0,1,0]),fs=c.vec3([0,0,1]),gs=c.vec3(3),ms=c.vec3(3),_s=c.identityMat4();class vs extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new ls,this._state=new Mt({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:c.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._worldMatrix=c.identityMat4(),this._worldNormalMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=c.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=c.identityMat4()),this.__localMatrix.set(e||_s),c.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=c.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Li.get(this),this._emphasisFillRenderer=Qi.get(this),this._emphasisEdgesRenderer=zi.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Ji.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=ss.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=c.mat4()),c.transposeMat4(this._worldMatrix,this._worldNormalMatrix),c.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){c.transformOBB3(e,this._geometry.obb,As),c.OBB3ToAABB3(As,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return hs[0]=e[0],hs[1]=e[1],hs[2]=e[2],hs[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(hs,cs),c.mulQuaternions(this.quaternion,cs,us),this.quaternion=us,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return hs[0]=e[0],hs[1]=e[1],hs[2]=e[2],hs[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(hs,cs),c.mulQuaternions(cs,this.quaternion,cs),this}rotateX(e){return this.rotate(ds,e)}rotateY(e){return this.rotate(ps,e)}rotateZ(e){return this.rotate(fs,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,gs),c.mulVec3Scalar(gs,t,ms),c.addVec3(this.position,ms,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(ds,e)}translateY(e){return this.translate(ps,e)}translateZ(e){return this.translate(fs,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=Li.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=Li.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Qi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Qi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Qi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=zi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=zi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=zi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=zi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=zi.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=ss.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=ns.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Ji.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=$i.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){bs(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const bs=function(){const e=c.vec3(),t=c.vec3(),i=c.vec3(),s=c.vec3(),r=c.vec3(),o=c.vec3(),n=c.vec4(),a=c.vec3(),l=c.vec3(),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3(),m=c.vec4(),_=c.vec4(),v=c.vec4(),b=c.vec3(),y=c.vec3(),B=c.vec3(),x=c.vec3(),P=c.vec3(),w=c.vec3(),C=c.vec3(),M=c.vec3(),E=c.vec3(),F=c.vec3(),I=c.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let K,W,X;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,K=3*O,W=3*k,X=3*N}else K=3*V,W=K+3,X=W+3;if(i[0]=z[K+0],i[1]=z[K+1],i[2]=z[K+2],s[0]=z[W+0],s[1]=z[W+1],s[2]=z[W+2],r[0]=z[X+0],r[1]=z[X+1],r[2]=z[X+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(ni.decompressPosition(i,e,i),ni.decompressPosition(s,e,s),ni.decompressPosition(r,e,r))}L.canvasPos?c.canvasPosToLocalRay(j.canvas,D.origin?J(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&c.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),c.normalizeVec3(t),c.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,c.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,c.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,c.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;ni.decompressNormal(Y.subarray(e,e+2),h),ni.decompressNormal(Y.subarray(t,t+2),u),ni.decompressNormal(Y.subarray(i,i+2),d)}else h[0]=Y[K],h[1]=Y[K+1],h[2]=Y[K+2],u[0]=Y[W],u[1]=Y[W+1],u[2]=Y[W+2],d[0]=Y[X],d[1]=Y[X+1],d[2]=Y[X+2];const e=c.addVec3(c.addVec3(c.mulVec3Scalar(h,A[0],b),c.mulVec3Scalar(u,A[1],y),B),c.mulVec3Scalar(d,A[2],x),P);L.worldNormal=c.normalizeVec3(c.transformVec3(D.worldNormalMatrix,e,w))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(ni.decompressUV(p,e,p),ni.decompressUV(f,e,f),ni.decompressUV(g,e,g))}L.uv=c.addVec3(c.addVec3(c.mulVec2Scalar(p,A[0],C),c.mulVec2Scalar(f,A[1],M),E),c.mulVec2Scalar(g,A[2],F),I)}}}}}();function ys(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative 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Ps(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;_.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,v=(l||"").split("\n"),b=0,y=0,B=.04,x=0;x<v.length;x++){A=0,c=(h=v[x]).length;for(var P=0;P<c;P++)if(u=xs[h.charAt(P)]){d=1,p=-1,f=-1,g=u.points.length;for(var w=0;w<g;w++)-1!==(m=u.points[w])[0]||-1!==m[1]?(n.push(A+m[0]*o*B+i),n.push(y+m[1]*o*B+s),n.push(0+r),-1===p?p=b:(-1===f||(p=f),f=b),b++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*B*o}y-=35*B*o}return _.apply(e,{primitive:"lines",positions:n,indices:a})}c.vec3();class ws extends D{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new Mt({active:!0,pos:c.vec3(),dir:c.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){c.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const Cs=c.vec4(4),Ms=c.vec4(),Es=c.vec4(),Fs=c.vec3([1,0,0]),Is=c.vec3([0,1,0]),Ds=c.vec3([0,0,1]),Ss=c.vec3(3),Ts=c.vec3(3),Rs=c.identityMat4();class Ls extends D{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._offset=c.vec3(),this._localMatrix=c.identityMat4(),this._worldMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=c.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;c.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&c.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+_.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+_.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||Rs),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Cs[0]=e[0],Cs[1]=e[1],Cs[2]=e[2],Cs[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Cs,Ms),c.mulQuaternions(this.quaternion,Ms,Es),this.quaternion=Es,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Cs[0]=e[0],Cs[1]=e[1],Cs[2]=e[2],Cs[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Cs,Ms),c.mulQuaternions(Ms,this.quaternion,Ms),this}rotateX(e){return this.rotate(Fs,e)}rotateY(e){return this.rotate(Is,e)}rotateZ(e){return this.rotate(Ds,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,Ss),c.mulVec3Scalar(Ss,t,Ts),c.addVec3(this.position,Ts,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Fs,e)}translateY(e){return this.translate(Is,e)}translateZ(e){return this.translate(Ds,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class Us extends ci{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new Mt({type:"LambertMaterial",ambient:c.vec3([1,1,1]),color:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const Os={opaque:0,mask:1,blend:2},ks=["opaque","mask","blend"];class Ns extends ci{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new Mt({type:"MetallicMaterial",baseColor:c.vec4([1,1,1]),emissive:c.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=Os[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return ks[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const Qs={opaque:0,mask:1,blend:2},Vs=["opaque","mask","blend"];class Hs extends ci{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new Mt({type:"SpecularMaterial",diffuse:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),specular:c.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=Qs[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Vs[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function js(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=Bt(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=Bt(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=Bt(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=Bt(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=Bt(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=Bt(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=Bt(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const Gs=new Uint8Array([0,0,0,1]);class zs{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(Gs[0]=Math.floor(255*e[0]),Gs[1]=Math.floor(255*e[1]),Gs[2]=Math.floor(255*e[2]),Gs[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(Gs[0]=0,Gs[1]=0,Gs[2]=0,Gs[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Gs)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,Gs);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=js(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=js(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=js(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=js(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=js(i,this.format,this.encoding),d=js(i,this.type),p=Ks(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(_.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=js(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=js(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=js(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Ws(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Ws(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,js(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,js(i,this.magFilter)));const a=js(i,this.format,this.encoding),l=js(i,this.type),A=Ks(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=js(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=js(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=js(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=js(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function Ks(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||Bt(e,"EXT_color_buffer_float"),n}function Ws(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Xs(e){if(!Js(e.width)||!Js(e.height)){const t=document.createElement("canvas");t.width=Ys(e.width),t.height=Ys(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Js(e){return 0==(e&e-1)}function Ys(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class Zs extends D{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new Mt({texture:new zs({gl:this.scene.canvas.gl}),matrix:c.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=c.vec2([0,0]),this._scale=c.vec2([1,1]),this._rotate=c.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),p.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new zs({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=c.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=c.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?c.mulMat4(t,i):i),0!==this._rotate&&(i=c.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?c.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=Xs(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=Xs(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),p.memory.textures--}}const qs=p.memory,$s=c.AABB3();class er extends qt{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new Mt({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=c.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=ni.getPositionsBounds(t.positions),o=ni.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new nt(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),qs.positions+=i.positionsBuf.numItems,c.positions3ToAABB3(t.positions,this._aabb),c.positions3ToAABB3(r,$s,i.positionsDecodeMatrix),c.AABB3ToOBB3($s,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new nt(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),qs.colors+=i.colorsBuf.numItems}if(t.uv){const e=ni.getUVBounds(t.uv),r=ni.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new nt(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),qs.uvs+=i.uvBuf.numItems}if(t.normals){const e=ni.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new nt(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),qs.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new nt(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),qs.indices+=i.indicesBuf.numItems;const o=$t(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new nt(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),qs.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),qs.meshes--}}var tr={};function ir(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function sr(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return _.apply(e,{primitive:"lines",positions:o,indices:n})}function rr(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),v=new Float32Array(d*p*3),b=new Float32Array(d*p*2);let y,B,x,P,w,C,M,E=0,F=0;for(y=0;y<p;y++){const e=y*g-h;for(B=0;B<d;B++)x=B*f-A,m[E]=x+n,m[E+1]=a,m[E+2]=-e+l,v[E+2]=-1,b[F]=B/c,b[F+1]=(u-y)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(y=0;y<u;y++)for(B=0;B<c;B++)P=B+d*y,w=B+d*(y+1),C=B+1+d*(y+1),M=B+1+d*y,I[E]=M,I[E+1]=w,I[E+2]=P,I[E+3]=M,I[E+4]=C,I[E+5]=w,E+=6;return _.apply(e,{positions:m,normals:v,uv:b,indices:I})}function or(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],u=[],d=[],p=[];let f,g,m,v,b,y,B,x,P,w,C,M;for(x=0;x<=r;x++)for(B=0;B<=s;B++)f=B/s*o,g=.785398+x/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),v=(t+i*Math.cos(g))*Math.sin(f),b=i*Math.sin(g),h.push(m+a),h.push(v+l),h.push(b+A),d.push(1-B/s),d.push(x/r),y=c.normalizeVec3(c.subVec3([m,v,b],[a,l,A],[]),[]),u.push(y[0]),u.push(y[1]),u.push(y[2]);for(x=1;x<=r;x++)for(B=1;B<=s;B++)P=(s+1)*x+B-1,w=(s+1)*(x-1)+B-1,C=(s+1)*(x-1)+B,M=(s+1)*x+B,p.push(P),p.push(w),p.push(C),p.push(C),p.push(M),p.push(P);return _.apply(e,{positions:h,normals:u,uv:d,indices:p})}function nr(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return _.apply(e,{primitive:"lines",positions:e.points,indices:i})}tr.load=function(e,t){var i=new XMLHttpRequest;i.open("GET",e,!0),i.responseType="arraybuffer",i.onload=function(e){t(e.target.response)},i.send()},tr.save=function(e,t){var i="data:application/octet-stream;base64,"+btoa(tr.parse._buffToStr(e));window.location.href=i},tr.clone=function(e){return JSON.parse(JSON.stringify(e))},tr.bin={},tr.bin.f=new Float32Array(1),tr.bin.fb=new Uint8Array(tr.bin.f.buffer),tr.bin.rf=function(e,t){for(var i=tr.bin.f,s=tr.bin.fb,r=0;r<4;r++)s[r]=e[t+r];return i[0]},tr.bin.rsl=function(e,t){return e[t]|e[t+1]<<8},tr.bin.ril=function(e,t){return e[t]|e[t+1]<<8|e[t+2]<<16|e[t+3]<<24},tr.bin.rASCII0=function(e,t){for(var i="";0!=e[t];)i+=String.fromCharCode(e[t++]);return i},tr.bin.wf=function(e,t,i){new Float32Array(e.buffer,t,1)[0]=i},tr.bin.wsl=function(e,t,i){e[t]=i,e[t+1]=i>>8},tr.bin.wil=function(e,t,i){e[t]=i,e[t+1]=i>>8,e[t+2]=i>>16,e[t+3]},tr.parse={},tr.parse._buffToStr=function(e){for(var t=new Uint8Array(e),i="",s=0;s<t.length;s++)i=i.concat(String.fromCharCode(t[s]));return i},tr.parse._strToBuff=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),s=0;s<e.length;s++)i[s]=e.charCodeAt(s);return t},tr.parse._readLine=function(e,t){for(var i="";10!=e[t];)i+=String.fromCharCode(e[t++]);return i},tr.parse.fromJSON=function(e){return JSON.parse(tr.parse._buffToStr(e))},tr.parse.toJSON=function(e){var t=JSON.stringify(e);return tr.parse._strToBuff(t)},tr.parse.fromOBJ=function(e){for(var t={groups:{},c_verts:[],c_uvt:[],c_norms:[],i_verts:[],i_uvt:[],i_norms:[]},i={from:0,to:0},s=0,r=new Uint8Array(e);s<r.length;){var o=tr.parse._readLine(r,s);s+=o.length+1;var n=(o=(o=o.replace(/ +(?= )/g,"")).replace(/(^\s+|\s+$)/g,"")).split(" 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a=[],l=[];t.i_verts=a,t.i_uvt=l;for(r=0;r<i.num_tris;r++)a.push(tr.bin.rsl(e,s),tr.bin.rsl(e,s+2),tr.bin.rsl(e,s+4)),l.push(tr.bin.rsl(e,s+6),tr.bin.rsl(e,s+8),tr.bin.rsl(e,s+10)),s+=12;s=i.offset_skins;t.skins=[];for(r=0;r<i.num_skins;r++)t.skins.push(tr.bin.rASCII0(e,s)),s+=64;s=i.offset_frames;t.frames=[];var A=tr.parse.fromMD2._normals;for(r=0;r<i.num_frames;r++){var h={},c=tr.bin.rf(e,s),u=tr.bin.rf(e,s+4),d=tr.bin.rf(e,s+8);s+=12;var p=tr.bin.rf(e,s),f=tr.bin.rf(e,s+4),g=tr.bin.rf(e,s+8);s+=12,h.name=tr.bin.rASCII0(e,s),s+=16,h.verts=[],h.norms=[];for(var m=0;m<i.num_vertices;m++)h.verts.push(e[s]*c+p,e[s+1]*u+f,e[s+2]*d+g),h.norms.push(A[3*e[s+3]],A[3*e[s+3]+1],A[3*e[s+3]+2]),s+=4;t.frames.push(h)}return 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r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},tr.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},tr.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},tr.mat={},tr.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},tr.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},tr.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return tr.mat.rotate(e*s,t*s,i*s)},tr.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},tr.edit={},tr.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},tr.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},tr.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},tr.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},tr.utils={},tr.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class ar extends D{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=c.vec3(t.pos||[0,0,0]),this._up=c.vec3(t.up||[0,1,0]),this._normal=c.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=c.vec3(),this._rtcPos=c.vec3(),this._imageSize=c.vec2(),this._texture=new Zs(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new Ls(this,{matrix:c.inverseMat4(c.lookAtMat4v(this._pos,c.subVec3(this._pos,this._normal,c.mat4()),this._up,c.mat4())),children:[this._bitmapMesh=new vs(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new Ai(this,rr({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new pi(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const lr=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},Ar=c.vec3(),hr=c.vec3(),cr=c.vec3();class ur{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!lr(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Ar[0]=e[r],Ar[1]=e[r+1],Ar[2]=e[r+2],hr[0]=e[o],hr[1]=e[o+1],hr[2]=e[o+2],cr[0]=e[n],cr[1]=e[n+1],cr[2]=e[n+2],c.cross3Vec3(Ar,hr,Ar),i+=c.dotVec3(Ar,cr)}return i/6}}const dr=new ur,pr=c.vec3(),fr=c.vec3(),gr=c.vec3(),mr=c.vec3(),_r=c.vec3(),vr=c.vec3();class br{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];pr[0]=e[r],pr[1]=e[r+1],pr[2]=e[r+2],fr[0]=e[o],fr[1]=e[o+1],fr[2]=e[o+2],gr[0]=e[n],gr[1]=e[n+1],gr[2]=e[n+2],c.subVec3(pr,fr,mr),c.subVec3(gr,fr,_r),i+=.5*c.lenVec3(c.cross3Vec3(mr,_r,vr))}return i}}const yr=new br,Br=c.OBB3(),xr=c.OBB3(),Pr=c.OBB3();class wr{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=c.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":dr.reset(),dr.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{dr.addVertex(e)})),this.getEachIndex((e=>{dr.addIndex(e)})),this._volume=dr.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":yr.reset(),this.getEachVertex((e=>{yr.addVertex(e)})),this.getEachIndex((e=>{yr.addIndex(e)})),this._surfaceArea=yr.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);const t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}get aabb(){return this._aabbWorldDirty&&(c.AABB3ToOBB3(this._aabbLocal,Br),this.transform?(c.transformOBB3(this.transform.worldMatrix,Br,xr),c.transformOBB3(this.model.worldMatrix,xr,Pr),c.OBB3ToAABB3(Pr,this._aabbWorld)):(c.transformOBB3(this.model.worldMatrix,Br,xr),c.OBB3ToAABB3(xr,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const Cr=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let Mr=0;const Er={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Fr=new Float32Array([1,1,1,1]),Ir=new Float32Array([0,0,0,1]),Dr=c.vec4(),Sr=c.vec3(),Tr=c.vec3(),Rr=c.mat4();class Lr{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const r=this._uSectionPlanes[t];if(r)if(t<n){const o=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(r.active,o?1:0),o){const o=a[t],n=e._state.origin;if(n){const e=q(o.dist,o.dir,n,Sr,s.matrix);i.uniform3fv(r.pos,e)}else i.uniform3fv(r.pos,o.pos);i.uniform3fv(r.dir,o.dir)}}else i.uniform1i(r.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges&&e.edgeIndicesBuf?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=Ye.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:u,positionsDecodeMatrix:d}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,worldNormalMatrix:B}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let x=0;const P=16;this._matricesUniformBlockBufferData.set(y,0);const w=0!==u[0]||0!==u[1]||0!==u[2],C=0!==b[0]||0!==b[1]||0!==b[2];if(w||C){const e=Sr;if(w){const t=c.transformPoint3(y,u,Tr);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(J(v,e,Rr),x+=P)}else this._matricesUniformBlockBufferData.set(v,x+=P);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,x+=P),this._matricesUniformBlockBufferData.set(d,x+=P),this._matricesUniformBlockBufferData.set(B,x+=P),this._matricesUniformBlockBufferData.set(m,x+=P),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;Dr[0]=i,Dr[1]=s,Dr[2]=t.blendCutoff,Dr[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,Dr),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===Er[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Er[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Er[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?Ir:Fr)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,p.memory.programs--}}class Ur extends Lr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)i.edgeIndicesBuf&&t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class Or extends Ur{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class kr extends Ur{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class Nr extends Ur{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class Qr extends Ur{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class Vr extends Qr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Hr extends Qr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class jr extends Ur{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Gr extends Ur{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class zr extends Ur{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Kr extends Ur{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Wr extends Ur{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class Xr extends Ur{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Jr extends Ur{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class Yr extends Ur{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Zr extends Ur{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class qr extends Ur{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const $r=c.vec3(),eo=c.vec3(),to=c.vec3(),io=c.vec3(),so=c.mat4();class ro extends Lr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=$r;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=eo;if(l){const e=to;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,so),g=io,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const oo=c.vec3(),no=c.vec3(),ao=c.vec3(),lo=c.vec3(),Ao=c.mat4();class ho extends Lr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=oo;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=no;if(l){const e=ao;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Ao),g=lo,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class co{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Nr(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new jr(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Gr(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new ro(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new ho(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Or(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Or(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new kr(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new kr(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new qr(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new qr(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new qr(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new qr(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Yr(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Yr(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Nr(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Wr(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Xr(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Vr(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Hr(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new jr(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new zr(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Zr(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Gr(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Kr(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Jr(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new ho(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new ro(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const uo={};let po=65536,fo=5e6;class go{constructor(){}set doublePrecisionEnabled(e){c.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return c.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),po=e}get maxDataTextureHeight(){return po}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),fo=e}get maxGeometryBatchSize(){return fo}}const mo=new go;class _o{constructor(e=mo.maxGeometryBatchSize){this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const vo=c.mat4(),bo=c.mat4();function yo(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,u=65525,d=u/l,p=u/A,f=u/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*d),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return c.identityMat4(vo),c.translationMat4v(t,vo),c.identityMat4(bo),c.scalingMat4v([l/u,A/u,h/u],bo),c.mulMat4(vo,bo,i),r}function Bo(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return c.identityMat4(vo),c.translationMat4v(e,vo),c.identityMat4(bo),c.scalingMat4v([o/l,n/l,a/l],bo),c.mulMat4(vo,bo,t),t}function xo(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function Po(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const wo=c.mat4(),Co=c.mat4(),Mo=c.vec4([0,0,0,1]),Eo=c.vec3(),Fo=c.vec3(),Io=c.vec3(),Do=c.vec3(),So=c.vec3(),To=c.vec3(),Ro=c.vec3();class Lo{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=uo[t];return i||(i=new co(e),uo[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete uo[t],i._destroy()}))),i}(e.model.scene),this._buffer=new _o(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new Mt({origin:c.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=c.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=c.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,u=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let B;if(c.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";B=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";B=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=wo;m?c.inverseMat4(c.transposeMat4(m,Co),e):c.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,u,d=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(u=0;u<i;u+=3)d[0]=t[u],d[1]=t[u+1],d[2]=t[u+2],c.transformVec3(e,d,p),c.normalizeVec3(p,p),l=n=xo(p,"floor","floor"),a=Po(n),A=h=o(p,a),n=xo(p,"ceil","floor"),a=Po(n),A=o(p,a),A>h&&(l=n,h=A),n=xo(p,"floor","ceil"),a=Po(n),A=o(p,a),A>h&&(l=n,h=A),n=xo(p,"ceil","ceil"),a=Po(n),A=o(p,a),A>h&&(l=n,h=A),s[r+u+0]=l[0],s[r+u+1]=l[1],s[r+u+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(d){const e=d[0],t=d[1],i=d[2],s=g;for(let r=0;r<B;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const x=null!=p?p:0,P=null!=f?f:255;for(let e=0;e<B;e++)b.metallicRoughness.push(x),b.metallicRoughness.push(P);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(u)for(let e=0,t=u.length;e<t;e++)b.edgeIndices.push(y+u[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*B;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<B;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const w=this._portions.length,C={vertsBaseIndex:y,numVerts:B,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),w}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):yo(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=c.mat4());if(e.positionsBuf=new nt(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new nt(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new nt(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new nt(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=ni.getUVBounds(i.uv),r=ni.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=c.mat3(r.decodeMatrix),e.uvBuf=new nt(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new nt(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new nt(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new nt(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new nt(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new nt(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new nt(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&$),A=!!(t&re),h=!!(t&oe),c=!!(t&ne),u=!!(t&ae),d=!!(t&te),p=!!(t&ee);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?Er.NOT_RENDERED:i?Er.COLOR_TRANSPARENT:Er.COLOR_OPAQUE,g=!l||p?Er.NOT_RENDERED:c?Er.SILHOUETTE_SELECTED:h?Er.SILHOUETTE_HIGHLIGHTED:A?Er.SILHOUETTE_XRAYED:Er.NOT_RENDERED;let m=0;m=!l||p?Er.NOT_RENDERED:c?Er.EDGES_SELECTED:h?Er.EDGES_HIGHLIGHTED:A?Er.EDGES_XRAYED:u?i?Er.EDGES_COLOR_TRANSPARENT:Er.EDGES_COLOR_OPAQUE:Er.NOT_RENDERED;let _=l&&!p&&d?Er.PICK:Er.NOT_RENDERED;const v=t&ie?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=this.model.matrix,n=c.vec4();n.set(i.origin,0),n[3]=1,c.mulMat4v4(o,n,n);const a=n[0],l=n[1],A=n[2],h=Mo,u=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)h[0]=r[e],h[1]=r[e+1],h[2]=r[e+2],h[3]=1,c.decompressPosition(h,u),h[3]=1,c.mulMat4v4(o,h,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Er.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Er.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Er.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Er.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Er.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Er.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Er.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Er.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Er.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Er.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,u=Eo,d=Fo;u.set(A?c.subVec3(t,A,Io):t),d.set(i),h&&c.subVec3(u,h),c.transformRay(this.model.worldNormalMatrix,u,d,u,d);const p=Do,f=So,g=To;let m=!1,_=0;const v=Ro;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],c.decompressPosition(p,o.positionsDecodeMatrix),c.decompressPosition(f,o.positionsDecodeMatrix),c.decompressPosition(g,o.positionsDecodeMatrix),c.rayTriangleIntersect(u,d,p,f,g,v)){c.transformPoint3(this.model.worldMatrix,v,v),h&&c.addVec3(v,h),A&&c.addVec3(v,A);const e=Math.abs(c.lenVec3(c.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&c.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class Uo extends Lr{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?i.edgeIndicesBuf&&t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class Oo extends Uo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class ko extends Uo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class No extends Uo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class Qo extends Uo{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class Vo extends Qo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Ho extends Qo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class jo extends Uo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Go extends Uo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class zo extends Uo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Ko extends Uo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Wo extends Uo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class Xo extends Uo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Jo extends Uo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Yo={3e3:"linearToLinear",3001:"sRGBToLinear"};class Zo extends Uo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+Yo[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+Yo[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class qo extends Uo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class $o extends Uo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const en=c.vec3(),tn=c.vec3(),sn=c.vec3(),rn=c.vec3(),on=c.mat4();class nn extends Lr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=en;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=tn;if(l){const e=c.transformPoint3(h,l,sn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,on),g=rn,g[0]=n.eye[0]-t[0],g[1]=n.eye[1]-t[1],g[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,g),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const an=c.vec3(),ln=c.vec3(),An=c.vec3(),hn=c.vec3(),cn=c.mat4();class un extends Lr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=an;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ln;if(l){const e=c.transformPoint3(h,l,An);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,cn),g=hn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class dn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new No(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new jo(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Go(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new nn(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new un(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Oo(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Oo(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new ko(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new ko(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new $o(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new $o(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new $o(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new $o(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Zo(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Zo(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new No(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Wo(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Xo(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Vo(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Ho(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new jo(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new zo(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new qo(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Go(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Ko(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Jo(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new un(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new nn(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const pn={};const fn=new Uint8Array(4),gn=new Float32Array(1),mn=c.vec4([0,0,0,1]),_n=new Float32Array(3),vn=c.vec3(),bn=c.vec3(),yn=c.vec3(),Bn=c.vec3(),xn=c.vec3(),Pn=c.vec3(),wn=c.vec3(),Cn=new Float32Array(4);class Mn{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=pn[t];return i||(i=new dn(e),pn[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete pn[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new Mt({numInstances:0,obb:c.OBB3(),origin:c.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=c.transposeMat4(n,c.mat4()),t=c.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const u=this._portions.length,d={};return this.model.scene.readableGeometryEnabled&&(d.matrix=n.slice(),d.inverseMatrix=null,d.normalMatrix=null),this._portions.push(d),this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new nt(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new nt(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new nt(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new nt(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new nt(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=c.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new nt(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new nt(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new nt(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new nt(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new nt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new nt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new nt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new nt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new nt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new nt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new nt(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";fn[0]=t[0],fn[1]=t[1],fn[2]=t[2],fn[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(fn,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&$),r=!!(t&re),o=!!(t&oe),n=!!(t&ne),a=!!(t&ae),l=!!(t&te),A=!!(t&ee);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Er.NOT_RENDERED:i?Er.COLOR_TRANSPARENT:Er.COLOR_OPAQUE,c=!s||A?Er.NOT_RENDERED:n?Er.SILHOUETTE_SELECTED:o?Er.SILHOUETTE_HIGHLIGHTED:r?Er.SILHOUETTE_XRAYED:Er.NOT_RENDERED;let u=0;u=!s||A?Er.NOT_RENDERED:n?Er.EDGES_SELECTED:o?Er.EDGES_HIGHLIGHTED:r?Er.EDGES_XRAYED:a?i?Er.EDGES_COLOR_TRANSPARENT:Er.EDGES_COLOR_OPAQUE:Er.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Er.PICK:Er.NOT_RENDERED)<<12,d|=(t&ie?1:0)<<16,gn[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(gn,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(_n[0]=t[0],_n[1]=t[1],_n[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(_n,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=this.model.matrix,a=c.vec4();a.set(i.origin,0),a[3]=1,c.mulMat4v4(n,a,a);const l=a[0],A=a[1],h=a[2],u=mn,d=r.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)u[0]=o[e],u[1]=o[e+1],u[2]=o[e+2],c.decompressPosition(u,p),c.transformPoint3(d,u,u),u[3]=1,c.mulMat4v4(n,u,u),u[0]+=l,u[1]+=A,u[2]+=h,t(u)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Cn[0]=t[0],Cn[1]=t[4],Cn[2]=t[8],Cn[3]=t[12],this._state.modelMatrixCol0Buf.setData(Cn,i),Cn[0]=t[1],Cn[1]=t[5],Cn[2]=t[9],Cn[3]=t[13],this._state.modelMatrixCol1Buf.setData(Cn,i),Cn[0]=t[2],Cn[1]=t[6],Cn[2]=t[10],Cn[3]=t[14],this._state.modelMatrixCol2Buf.setData(Cn,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Er.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Er.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Er.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Er.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Er.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Er.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Er.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Er.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Er.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=c.inverseMat4(a.matrix,c.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=c.transposeMat4(a.inverseMatrix,c.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,u=a.offset,d=vn,p=bn;d.set(h?c.subVec3(t,h,yn):t),p.set(i),u&&c.subVec3(d,u),c.transformRay(this.model.worldNormalMatrix,d,p,d,p),c.transformRay(a.inverseMatrix,d,p,d,p);const f=Bn,g=xn,m=Pn;let _=!1,v=0;const b=wn;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:B}=n.geometry;if(c.decompressPosition(f,B),c.decompressPosition(g,B),c.decompressPosition(m,B),c.rayTriangleIntersect(d,p,f,g,m,b)){c.transformPoint3(a.matrix,b,b),c.transformPoint3(this.model.worldMatrix,b,b),u&&c.addVec3(b,u),h&&c.addVec3(b,h);const e=Math.abs(c.lenVec3(c.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&c.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(c.transformVec3(a.normalMatrix,r,r),c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class En extends Lr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class Fn extends En{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class In extends En{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Dn=c.vec3(),Sn=c.vec3(),Tn=c.vec3(),Rn=c.vec3(),Ln=c.mat4();class Un extends Lr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Dn;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Sn;if(l){const e=Tn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Ln),g=Rn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const On=c.vec3(),kn=c.vec3(),Nn=c.vec3(),Qn=c.vec3(),Vn=c.mat4();class Hn extends Lr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=On;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=kn;if(l){const e=Nn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Vn),g=Qn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class jn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Fn(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new In(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Un(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Hn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Gn={};class zn{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class Kn{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Gn[t];return i||(i=new jn(e),Gn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Gn[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new zn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new Mt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(c.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new nt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=yo(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new nt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new nt(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new nt(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new nt(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new nt(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&$),l=!!(t&re),A=!!(t&oe),h=!!(t&ne),c=!!(t&te),u=!!(t&ee);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Er.NOT_RENDERED:i?Er.COLOR_TRANSPARENT:Er.COLOR_OPAQUE,p=!a||u?Er.NOT_RENDERED:h?Er.SILHOUETTE_SELECTED:A?Er.SILHOUETTE_HIGHLIGHTED:l?Er.SILHOUETTE_XRAYED:Er.NOT_RENDERED;let f=a&&!u&&c?Er.PICK:Er.NOT_RENDERED;const g=t&ie?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Er.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Er.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class Wn extends Lr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class Xn extends Wn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Jn extends Wn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Yn=c.vec3(),Zn=c.vec3(),qn=c.vec3();c.vec3();const $n=c.mat4();class ea extends Lr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Yn;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Zn;if(l){const e=c.transformPoint3(h,l,qn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,$n),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ta=c.vec3(),ia=c.vec3(),sa=c.vec3();c.vec3();const ra=c.mat4();class oa extends Lr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ta;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ia;if(l){const e=c.transformPoint3(h,l,sa);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,ra),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class na{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new ea(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new oa(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Xn(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Jn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new ea(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new oa(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const aa={};const la=new Uint8Array(4),Aa=new Float32Array(1),ha=new Float32Array(3),ca=new Float32Array(4);class ua{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=aa[t];return i||(i=new na(e),aa[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete aa[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new Mt({obb:c.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=c.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new nt(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new nt(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new nt(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new nt(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=c.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new nt(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";la[0]=t[0],la[1]=t[1],la[2]=t[2],la[3]=t[3],this._state.colorsBuf.setData(la,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&$),r=!!(t&re),o=!!(t&oe),n=!!(t&ne),a=!!(t&ae),l=!!(t&te),A=!!(t&ee);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Er.NOT_RENDERED:i?Er.COLOR_TRANSPARENT:Er.COLOR_OPAQUE,c=!s||A?Er.NOT_RENDERED:n?Er.SILHOUETTE_SELECTED:o?Er.SILHOUETTE_HIGHLIGHTED:r?Er.SILHOUETTE_XRAYED:Er.NOT_RENDERED;let u=0;u=!s||A?Er.NOT_RENDERED:n?Er.EDGES_SELECTED:o?Er.EDGES_HIGHLIGHTED:r?Er.EDGES_XRAYED:a?i?Er.EDGES_COLOR_TRANSPARENT:Er.EDGES_COLOR_OPAQUE:Er.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Er.PICK:Er.NOT_RENDERED)<<12,d|=(t&ie?255:0)<<16,Aa[0]=d,this._state.flagsBuf.setData(Aa,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(ha[0]=t[0],ha[1]=t[1],ha[2]=t[2],this._state.offsetsBuf.setData(ha,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;ca[0]=t[0],ca[1]=t[4],ca[2]=t[8],ca[3]=t[12],this._state.modelMatrixCol0Buf.setData(ca,i),ca[0]=t[1],ca[1]=t[5],ca[2]=t[9],ca[3]=t[13],this._state.modelMatrixCol1Buf.setData(ca,i),ca[0]=t[2],ca[1]=t[6],ca[2]=t[10],ca[3]=t[14],this._state.modelMatrixCol2Buf.setData(ca,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Er.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Er.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class da extends Lr{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class pa extends da{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class fa extends da{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class ga extends da{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class ma extends da{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class _a extends da{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const va=c.vec3(),ba=c.vec3(),ya=c.vec3(),Ba=c.vec3(),xa=c.mat4();class Pa extends Lr{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=va;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ba;if(l){const e=ya;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,xa),g=Ba,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform1f(this._uPointSize,1);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const wa=c.vec3(),Ca=c.vec3(),Ma=c.vec3(),Ea=c.vec3(),Fa=c.mat4();class Ia extends Lr{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=wa;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ca;if(l){const e=Ma;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Fa),g=Ea,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Da{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new pa(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new fa(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ga(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ma(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new _a(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Pa(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ia(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Sa={};class Ta{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Sa[t];return i||(i=new Da(e),Sa[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Sa[t],i._destroy()}))),i}(e.model.scene);const t=e.maxGeometryBatchSize||5e6,i=function(){const e=[];return{append:function(t,i=1,s=1){e.push({data:t,times:i,denormalizeScale:s})},compileBuffer:function(t){let i=0;e.forEach((e=>{i+=e.times*e.data.length}));const s=new t(i);let r=0;return e.forEach((e=>{const t=e.data,i=e.denormalizeScale,o=s.subarray(r);if(1===i)o.set(t,0);else for(let e=0;e<t.length;++e)o[e]=t[e]*i;let n=t.length;const a=e.times*t.length;for(;n<a;){const e=Math.min(n,a-n);o.set(o.subarray(0,e),n),n+=e}r+=n})),s}}};this._buffer={maxVerts:t,positions:i(),colors:i(),pickColors:i(),vertsIndex:0},this._scratchMemory=e.scratchMemory,this._state=new Mt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin))}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=this._buffer,s=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!s)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(s);const r=s.length/3,o=t.color,n=t.colorsCompressed,a=t.colors,l=t.pickColor;n?i.colors.append(n):a?i.colors.append(a,1,255):o&&i.colors.append([o[0],o[1],o[2],1],r),i.pickColors.append(l.slice(0,4),r),c.expandAABB3(this._modelAABB,t.aabb);const A=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(r),this._buffer.vertsIndex+=r,this._numPortions++,this.model.numPortions++,this._meshes.push(e),A}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,s=(e,i,s)=>e.length>0?new nt(t,t.ARRAY_BUFFER,e,e.length,i,s):null,r=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):yo(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=s(r,3,t.STATIC_DRAW),e.flagsBuf=s(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=s(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=s(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?s(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&$),l=!!(t&re),A=!!(t&oe),h=!!(t&ne),c=!!(t&te),u=!!(t&ee);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Er.NOT_RENDERED:i?Er.COLOR_TRANSPARENT:Er.COLOR_OPAQUE,p=!a||u?Er.NOT_RENDERED:h?Er.SILHOUETTE_SELECTED:A?Er.SILHOUETTE_HIGHLIGHTED:l?Er.SILHOUETTE_XRAYED:Er.NOT_RENDERED;let f=a&&!u&&c?Er.PICK:Er.NOT_RENDERED;const g=t&ie?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Er.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Er.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Er.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Er.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class Ra extends Lr{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class La extends Ra{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Ua extends Ra{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Oa extends Ra{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class ka extends Ra{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Na extends Ra{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Qa extends Ra{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Va extends Ra{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Ha=c.vec3(),ja=c.vec3(),Ga=c.vec3();c.vec3();const za=c.mat4();class Ka extends Lr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ha;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ja;if(l){const e=c.transformPoint3(h,l,Ga);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,za),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Wa=c.vec3(),Xa=c.vec3(),Ja=c.vec3();c.vec3();const Ya=c.mat4();class Za extends Lr{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Wa;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Xa;if(l){const e=c.transformPoint3(h,l,Ja);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Ya),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class qa{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new La(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Ua(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Qa(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Oa(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ka(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Na(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Va(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Ka(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Za(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const $a={};const el=new Uint8Array(4),tl=new Float32Array(1),il=new Float32Array(3),sl=new Float32Array(4);class rl{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=$a[t];return i||(i=new qa(e),$a[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete $a[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new Mt({obb:c.OBB3(),numInstances:0,origin:e.origin?c.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new nt(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new nt(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=c.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new nt(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new nt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new nt(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";el[0]=t[0],el[1]=t[1],el[2]=t[2],this._state.colorsBuf.setData(el,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&$),r=!!(t&re),o=!!(t&oe),n=!!(t&ne),a=!!(t&ae),l=!!(t&te),A=!!(t&ee);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Er.NOT_RENDERED:i?Er.COLOR_TRANSPARENT:Er.COLOR_OPAQUE,c=!s||A?Er.NOT_RENDERED:n?Er.SILHOUETTE_SELECTED:o?Er.SILHOUETTE_HIGHLIGHTED:r?Er.SILHOUETTE_XRAYED:Er.NOT_RENDERED;let u=0;u=!s||A?Er.NOT_RENDERED:n?Er.EDGES_SELECTED:o?Er.EDGES_HIGHLIGHTED:r?Er.EDGES_XRAYED:a?i?Er.EDGES_COLOR_TRANSPARENT:Er.EDGES_COLOR_OPAQUE:Er.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Er.PICK:Er.NOT_RENDERED)<<12,d|=(t&ie?255:0)<<16,tl[0]=d,this._state.flagsBuf.setData(tl,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(il[0]=t[0],il[1]=t[1],il[2]=t[2],this._state.offsetsBuf.setData(il,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;sl[0]=t[0],sl[1]=t[4],sl[2]=t[8],sl[3]=t[12],this._state.modelMatrixCol0Buf.setData(sl,i),sl[0]=t[1],sl[1]=t[5],sl[2]=t[9],sl[3]=t[13],this._state.modelMatrixCol1Buf.setData(sl,i),sl[0]=t[2],sl[1]=t[6],sl[2]=t[10],sl[3]=t[14],this._state.modelMatrixCol2Buf.setData(sl,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Er.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Er.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Er.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Er.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const ol=c.vec3(),nl=c.vec3(),al=c.mat4();class ll{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o,d=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=ol;if(f){const t=c.transformPoint3(u,A,nl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,al)}else p=d;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,ol,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Al{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ll(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const hl={};class cl{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class ul{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class dl{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const pl={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(pl,null,4));let e=0;Object.keys(pl).forEach((t=>{t.startsWith("size")&&(e+=pl[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/pl.totalLines).toFixed(2)}`);let t={};Object.keys(pl).forEach((i=>{i.startsWith("size")&&(t[i]=`${(pl[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class fl{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);pl.sizeDataColorsAndFlags+=l.byteLength,pl.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);pl.sizeDataTextureOffsets+=r.byteLength,pl.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);pl.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);pl.sizeDataPositionDecodeMatrices+=o.byteLength,pl.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);pl.sizeDataTextureIndices+=o.byteLength,pl.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);pl.sizeDataTextureIndices+=o.byteLength,pl.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);pl.sizeDataTextureIndices+=o.byteLength,pl.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);pl.sizeDataTexturePositions+=n.byteLength,pl.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),pl.sizeDataTexturePortionIds+=o.byteLength,pl.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}}const gl=new go,ml=gl.maxDataTextureHeight,_l=new Float32Array(16),vl=new Uint8Array(4),bl=new Float32Array(3);let yl=0;const Bl=c.identityMat4();class xl{constructor(e,t){pl.numberOfLayers++,this._layerNumber=yl++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=hl[t];return i||(i=new Al(e),hl[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete hl[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new cl,this._dataTextureState=new ul,this._dataTextureGenerator=new fl,this._state=new Mt({origin:c.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&pl.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*ml||t+r>4096*ml)&&pl.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*ml&&t+r<=4096*ml}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;pl.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,pl.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||Bl),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,pl.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,pl.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,pl.totalLines32Bits+=t.numLines),pl.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,pl.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;vl[0]=t[0],vl[1]=t[1],vl[2]=t[2],vl[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(vl,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,vl))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&$),o=!!(t&re),n=!!(t&ee);let a,l;a=!r||n||o?Er.NOT_RENDERED:i?Er.COLOR_TRANSPARENT:Er.COLOR_OPAQUE,l=!r||n?Er.NOT_RENDERED:!!(t&ne)?Er.SILHOUETTE_SELECTED:!!(t&oe)?Er.SILHOUETTE_HIGHLIGHTED:o?Er.SILHOUETTE_XRAYED:Er.NOT_RENDERED;let A=r&&!n&&!!(t&te)?Er.PICK:Er.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;vl[0]=a,vl[1]=l,vl[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(vl,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,vl))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&ie?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;vl[0]=s,vl[1]=0,vl[2]=1,vl[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(vl,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,vl))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;bl[0]=t[0],bl[1]=t[1],bl[2]=t[2],i.texturePerObjectOffsets._textureData.set(bl,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,bl))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;_l.set(t),i.texturePerObjectInstanceMatrices._textureData.set(_l,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,_l))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const Pl=c.vec3(),wl=c.vec3(),Cl=c.vec3();c.vec3();const Ml=c.vec4(),El=c.mat4();class Fl{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Pl;if(f){const t=c.transformPoint3(u,A,wl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],d=J(r.viewMatrix,e,El),p=Cl,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else d=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;s.crossSections&&(n.uniform4fv(this._uSliceColor,s.crossSections.sliceColor),n.uniform1f(this._uSliceThickness,s.crossSections.sliceThickness));for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Pl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new ot(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;Ml[0]=t,Ml[1]=r,Ml[2]=s.blendCutoff,Ml[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,Ml),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Il=new Float32Array([1,1,1]),Dl=c.vec3(),Sl=c.vec3(),Tl=c.vec3();c.vec3();const Rl=c.mat4();class Ll{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o,d=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Dl;if(A){const t=Sl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,Rl),f=Tl,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=d,f=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===Er.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Er.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Er.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,Il);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,r=o.renderFlags;for(let t=0;t<g;t++){const s=this._uSectionPlanes[t];if(s)if(t<m){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Dl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = color;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ul=new Float32Array([0,0,0,1]),Ol=c.vec3(),kl=c.vec3();c.vec3();const Nl=c.mat4();class Ql{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Ol;if(f){const t=c.transformPoint3(u,A,kl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,Nl)}else p=d;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===Er.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Er.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Er.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,Ul);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Ol,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Vl=c.vec3(),Hl=c.vec3(),jl=c.mat4();class Gl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Vl;if(f){const t=c.transformPoint3(u,A,Hl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,jl)}else p=d;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Vl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const zl=c.vec3(),Kl=c.vec3(),Wl=c.vec3(),Xl=c.mat4();class Jl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=zl;if(v){const t=c.transformPoint3(u,A,Kl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=J(d,e,Xl),_=Wl,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=d,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),B=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*B,o=s.renderFlags;for(let t=0;t<y;t++){const r=this._uSectionPlanes[t];if(r)if(t<B){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,zl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Yl=c.vec3(),Zl=c.vec3(),ql=c.vec3();c.vec3();const $l=c.mat4();class eA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Yl;if(A){const e=Zl;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=J(d,t,$l),_=ql,_[0]=f[0]-t[0],_[1]=f[1]-t[1],_[2]=f[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=d,_=f,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const v=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(v>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*b,o=s.renderFlags;for(let t=0;t<v;t++){const r=this._uSectionPlanes[t];if(r)if(t<b){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Yl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const tA=c.vec3(),iA=c.vec3(),sA=c.vec3(),rA=c.vec3();c.vec3();const oA=c.mat4();class nA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=tA;let g,m;f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=iA;if(_){const e=c.transformPoint3(u,A,sA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=J(p,t,oA),m=rA,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,tA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}const B="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(B,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(B,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(B,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const aA=c.vec3(),lA=c.vec3(),AA=c.vec3(),hA=c.vec3();c.vec3();const cA=c.mat4();class uA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=aA;let g,m;f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=lA;if(_){const e=AA;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=J(p,t,cA),m=hA,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,aA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const dA=c.vec3(),pA=c.vec3(),fA=c.vec3();c.vec3();const gA=c.mat4();class mA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=dA;if(A){const t=pA;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,gA),f=fA,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=d,f=o.eye;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const g=r._sectionPlanesState.getNumAllocatedSectionPlanes(),m=r._sectionPlanesState.sectionPlanes.length;if(g>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,o=s.renderFlags;for(let t=0;t<g;t++){const r=this._uSectionPlanes[t];if(r)if(t<m){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,dA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const _A=c.vec3(),vA=c.vec3(),bA=c.vec3();c.vec3();const yA=c.mat4();class BA{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=_A;if(f){const t=c.transformPoint3(u,A,vA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],d=J(r.viewMatrix,e,yA),p=bA,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else d=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,_A,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const xA=c.vec3(),PA=c.vec3(),wA=c.vec3();c.vec3();const CA=c.mat4();class MA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const f=0!==l[0]||0!==l[1]||0!==l[2],g=0!==A[0]||0!==A[1]||0!==A[2];if(f||g){const e=xA;if(f){const t=PA;c.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],d=J(u,e,CA),p=wA,p[0]=o.eye[0]-e[0],p[1]=o.eye[1]-e[1],p[2]=o.eye[2]-e[2]}else d=u,p=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,h),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(l){const e=q(i.dist,i.dir,l,xA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Ye.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),Ye.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Ye.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Ye.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&Ye.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&Ye.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const EA=c.vec3(),FA=c.vec3(),IA=c.vec3();c.vec3(),c.vec4();const DA=c.mat4();class SA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));const d=e.pickViewMatrix||r.viewMatrix,p=e.pickProjMatrix||r.projMatrix,f=e.pickOrigin||r.eye,g=e.pickProjMatrix?e.pickZFar:r.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=EA;if(v){const t=c.transformPoint3(u,A,FA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=J(d,e,DA),_=IA,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=d,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=s._sectionPlanesState.getNumAllocatedSectionPlanes(),B=s._sectionPlanesState.sectionPlanes.length;if(y>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*B,r=o.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<B){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,EA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ot(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class TA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Ll(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Jl(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new eA(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new SA(this._scene)),this._snapRenderer||(this._snapRenderer=new nA(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new uA(this._scene)),this._snapRenderer||(this._snapRenderer=new nA(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Fl(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Fl(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Ll(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new BA(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new MA(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Ql(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Gl(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Jl(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new SA(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new SA(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new eA(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new nA(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new uA(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new mA(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const RA={};class LA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class UA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const OA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(OA,null,4));let e=0;Object.keys(OA).forEach((t=>{t.startsWith("size")&&(e+=OA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/OA.totalPolygons).toFixed(2)}`);let t={};Object.keys(OA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(OA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class kA{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);OA.sizeDataColorsAndFlags+=h.byteLength,OA.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);OA.sizeDataTextureOffsets+=r.byteLength,OA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);OA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);OA.sizeDataPositionDecodeMatrices+=o.byteLength,OA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);OA.sizeDataTextureIndices+=o.byteLength,OA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);OA.sizeDataTextureIndices+=o.byteLength,OA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);OA.sizeDataTextureIndices+=o.byteLength,OA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);OA.sizeDataTextureEdgeIndices+=o.byteLength,OA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);OA.sizeDataTextureEdgeIndices+=o.byteLength,OA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);OA.sizeDataTextureEdgeIndices+=o.byteLength,OA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);OA.sizeDataTexturePositions+=n.byteLength,OA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),OA.sizeDataTexturePortionIds+=o.byteLength,OA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new dl(e,n,s,r)}}const NA=new go,QA=NA.maxDataTextureHeight,VA=c.vec4(),HA=new Float32Array(16),jA=new Uint8Array(4),GA=new Float32Array(3);let zA=0;const KA=c.identityMat4();class WA{constructor(e,t){OA.numberOfLayers++,this._layerNumber=zA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=RA[t];return i||(i=new TA(e),RA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete RA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new LA,this._dtxState=new UA,this._dtxTextureFactory=new kA,this._state=new Mt({origin:c.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&OA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*QA||t+r>4096*QA)&&OA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*QA&&t+r<=4096*QA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;OA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;OA.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,OA.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||KA),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,OA.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,OA.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,OA.totalPolygons32Bits+=t.numTriangles),OA.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,OA.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,OA.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,OA.totalEdges32Bits+=t.numEdges),OA.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,OA.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;jA[0]=t[0],jA[1]=t[1],jA[2]=t[2],jA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(jA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,jA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&$),o=!!(t&re),n=!!(t&oe),a=!!(t&ne),l=!!(t&ae),A=!!(t&te),h=!!(t&ee);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?Er.NOT_RENDERED:i?Er.COLOR_TRANSPARENT:Er.COLOR_OPAQUE,u=!r||h?Er.NOT_RENDERED:a?Er.SILHOUETTE_SELECTED:n?Er.SILHOUETTE_HIGHLIGHTED:o?Er.SILHOUETTE_XRAYED:Er.NOT_RENDERED;let d=0;d=!r||h?Er.NOT_RENDERED:a?Er.EDGES_SELECTED:n?Er.EDGES_HIGHLIGHTED:o?Er.EDGES_XRAYED:l?i?Er.EDGES_COLOR_TRANSPARENT:Er.EDGES_COLOR_OPAQUE:Er.NOT_RENDERED;let p=r&&!h&&A?Er.PICK:Er.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;jA[0]=c,jA[1]=u,jA[2]=d,jA[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(jA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,jA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&ie?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;jA[0]=s,jA[1]=0,jA[2]=1,jA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(jA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,jA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;GA[0]=t[0],GA[1]=t[1],GA[2]=t[2],i.texturePerObjectOffsets._textureData.set(GA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,GA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;HA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(HA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,HA))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],u=l[2],d=VA;for(let e=0,i=n.length;e<i;e+=3)d[0]=n[e],d[1]=n[e+1],d[2]=n[e+2],d[3]=1,c.decompressPosition(d,a),c.transformPoint4(this.model.worldMatrix,d,d),c.transformPoint4(this.model.worldMatrix,d,d),d[0]+=A,d[1]+=h,d[2]+=u,t(d)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Er.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Er.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Er.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Er.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Er.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Er.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Er.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Er.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Er.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Er.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Er.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Er.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class XA{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class JA{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const YA={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class ZA{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const qA=new ZA;class $A{constructor(e){this.manager=void 0!==e?e:qA,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const eh={};class th extends $A{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=YA.get(e);if(void 0!==r)return this.manager.itemStart(e),M.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==eh[e])return void eh[e].push({onLoad:t,onProgress:i,onError:s});eh[e]=[],eh[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=eh[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{YA.add(e,t);const i=eh[e];delete eh[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=eh[e];if(void 0===i)throw this.manager.itemError(e),t;delete eh[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class ih{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let sh=0;class rh{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new ih,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new th;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new th;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=rh.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(rh.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(rh.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(rh.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),sh>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),sh++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),sh--}}rh.BasisFormat={ETC1S:0,UASTC_4x4:1},rh.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},rh.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},rh.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. 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n(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>c.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],B=t[3],x=t[4],P=t[5],w=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+B*f,i[1]=v*r+b*l+y*u+B*g,i[2]=v*o+b*A+y*d+B*m,i[3]=v*n+b*h+y*p+B*_,i[4]=x*s+P*a+w*c+C*f,i[5]=x*r+P*l+w*u+C*g,i[6]=x*o+P*A+w*d+C*m,i[7]=x*n+P*h+w*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new n(9));const s=e[0],r=e[3],o=e[6],a=e[1],l=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=a*d+l*g+A*v,i[4]=a*p+l*m+A*b,i[7]=a*f+l*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=c.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,B=s*A-o*a,x=r*A-o*l,P=h*f-c*p,w=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-B*w+x*P);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*x-g*B+m*y)*I,t[3]=(-c*x+u*B-d*y)*I,t[4]=(-n*F+l*C-A*w)*I,t[5]=(i*F-r*C+o*w)*I,t[6]=(-p*x+g*b-m*v)*I,t[7]=(h*x-u*b+d*v)*I,t[8]=(n*E-a*C+A*P)*I,t[9]=(-i*E+s*C-o*P)*I,t[10]=(p*B-f*b+m*_)*I,t[11]=(-h*B+c*b-d*_)*I,t[12]=(-n*M+a*w-l*P)*I,t[13]=(i*M-s*w+r*P)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||c.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||c.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.translationMat4v(e,r))})(),translationMat4s:(e,t)=>c.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>c.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=c.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,u,d,p,f,g;return h=a*l,u=l*A,d=A*a,p=a*r,f=l*r,g=A*r,(i=i||c.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*d-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*u+p,i[7]=0,i[8]=n*d+f,i[9]=n*u-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>c.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=c.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=c.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new n(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,c.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>c.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=c.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,u=s*l,d=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=u+v,i[2]=d-_,i[3]=0,i[4]=u-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=d+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=c.vec4()){const s=c.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],u=e[6],d=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,d),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(u,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,d),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(-h,d),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(u,d),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,d))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(u,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,d),i[1]=0)),i},composeMat4:(e,t,i,s=c.mat4())=>(c.quaternionToRotationMat4(t,s),c.scaleMat4v(i,s),c.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new n(3),t=new n(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=c.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=c.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=c.lenVec3(e);c.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,u=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=u,t[9]*=u,t[10]*=u,c.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=c.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],u=t[1],d=t[2];if(r===h&&o===u&&n===d)return c.identityMat4();let p,f,g,m,_,v,b,y,B,x;return p=r-h,f=o-u,g=n-d,x=1/Math.sqrt(p*p+f*f+g*g),p*=x,f*=x,g*=x,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,x=Math.sqrt(m*m+_*_+v*v),x?(x=1/x,m*=x,_*=x,v*=x):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,B=p*_-f*m,x=Math.sqrt(b*b+y*y+B*B),x?(x=1/x,b*=x,y*=x,B*=x):(b=0,y=0,B=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=B,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+B*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>c.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=c.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];c.addVec4(r,s,l),c.subVec4(r,s,A);const o=2*s[2],n=A[0],a=A[1],h=A[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=l[0]/n,i[9]=l[1]/a,i[10]=-l[2]/h,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/h,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=c.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],c.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=c.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=c.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],B=e[13],x=e[14],P=e[15];let w;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],w=s[e]||(s[e]=[0,0,0]),w[0]=A*o+d*n+m*a+y,w[1]=h*o+p*n+_*a+B,w[2]=c*o+f*n+v*a+x,w[3]=u*o+g*n+b*a+P;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],B=e[14],x=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+B,i[s+3]=c*o+f*n+v*a+x;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||c.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||c.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new n(16),t=new n(16),i=new n(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||c.vec3(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n},lerpMat4(e,t,i,s,r,o){const n=o||c.mat4(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n[3]=s[3]+a*(r[3]-s[3]),n[4]=s[4]+a*(r[4]-s[4]),n[5]=s[5]+a*(r[5]-s[5]),n[6]=s[6]+a*(r[6]-s[6]),n[7]=s[7]+a*(r[7]-s[7]),n[8]=s[8]+a*(r[8]-s[8]),n[9]=s[9]+a*(r[9]-s[9]),n[10]=s[10]+a*(r[10]-s[10]),n[11]=s[11]+a*(r[11]-s[11]),n[12]=s[12]+a*(r[12]-s[12]),n[13]=s[13]+a*(r[13]-s[13]),n[14]=s[14]+a*(r[14]-s[14]),n[15]=s[15]+a*(r[15]-s[15]),n},flatten(e){const t=[];let i,s,r,o,n;for(i=0,s=e.length;i<s;i++)for(n=e[i],r=0,o=n.length;r<o;r++)t.push(n[r]);return t},identityQuaternion:(e=c.vec4())=>(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e),eulerToQuaternion(e,t,i=c.vec4()){const 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d>0?(u=.5/Math.sqrt(d+1),t[3]=.25/u,t[0]=(A-a)*u,t[1]=(r-l)*u,t[2]=(o-s)*u):i>n&&i>h?(u=2*Math.sqrt(1+i-n-h),t[3]=(A-a)/u,t[0]=.25*u,t[1]=(s+o)/u,t[2]=(r+l)/u):n>h?(u=2*Math.sqrt(1+n-i-h),t[3]=(r-l)/u,t[0]=(s+o)/u,t[1]=.25*u,t[2]=(a+A)/u):(u=2*Math.sqrt(1+h-i-n),t[3]=(o-s)/u,t[0]=(r+l)/u,t[1]=(a+A)/u,t[2]=.25*u),t},vec3PairToQuaternion(e,t,i=c.vec4()){const s=Math.sqrt(c.dotVec3(e,e)*c.dotVec3(t,t));let r=s+c.dotVec3(e,t);return r<1e-8*s?(r=0,Math.abs(e[0])>Math.abs(e[2])?(i[0]=-e[1],i[1]=e[0],i[2]=0):(i[0]=0,i[1]=-e[2],i[2]=e[1])):c.cross3Vec3(e,t,i),i[3]=r,c.normalizeQuaternion(i)},angleAxisToQuaternion(e,t=c.vec4()){const i=e[3]/2,s=Math.sin(i);return t[0]=s*e[0],t[1]=s*e[1],t[2]=s*e[2],t[3]=Math.cos(i),t},quaternionToEuler:(()=>{const e=new n(16);return(t,i,s)=>(s=s||c.vec3(),c.quaternionToRotationMat4(t,e),c.mat4ToEuler(e,i,s),s)})(),mulQuaternions(e,t,i=c.vec4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=t[0],l=t[1],A=t[2],h=t[3];return 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t[0]=e[0]/i,t[1]=e[1]/i,t[2]=e[2]/i,t[3]=e[3]/i,t},conjugateQuaternion:(e,t=e)=>(t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3],t),inverseQuaternion:(e,t)=>c.normalizeQuaternion(c.conjugateQuaternion(e,t)),quaternionToAngleAxis(e,t=c.vec4()){const i=(e=c.normalizeQuaternion(e,h))[3],s=2*Math.acos(i),r=Math.sqrt(1-i*i);return r<.001?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=e[0]/r,t[1]=e[1]/r,t[2]=e[2]/r),t[3]=s,t},AABB3:e=>new n(e||6),AABB2:e=>new n(e||4),OBB3:e=>new n(e||32),OBB2:e=>new n(e||16),Sphere3:(e,t,i,s)=>new n([e,t,i,s]),transformOBB3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],B=e[14],x=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+B,i[s+3]=c*o+f*n+v*a+x;return i},containsAABB3:function(e,t){return e[0]<=t[0]&&t[3]<=e[3]&&e[1]<=t[1]&&t[4]<=e[4]&&e[2]<=t[2]&&t[5]<=e[5]},getAABB3Diag:(()=>{const e=new n(3),t=new n(3),i=new n(3);return s=>(e[0]=s[0],e[1]=s[1],e[2]=s[2],t[0]=s[3],t[1]=s[4],t[2]=s[5],c.subVec3(t,e,i),Math.abs(c.lenVec3(i)))})(),getAABB3DiagPoint:(()=>{const e=new n(3),t=new n(3),i=new n(3);return(s,r)=>{e[0]=s[0],e[1]=s[1],e[2]=s[2],t[0]=s[3],t[1]=s[4],t[2]=s[5];const o=c.subVec3(t,e,i),n=r[0]-s[0],a=s[3]-r[0],l=r[1]-s[1],A=s[4]-r[1],h=r[2]-s[2],u=s[5]-r[2];return o[0]+=n>a?n:a,o[1]+=l>A?l:A,o[2]+=h>u?h:u,Math.abs(c.lenVec3(o))}})(),getAABB3Area:e=>(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2]),getAABB3Center(e,t){const i=t||c.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center(e,t){const i=t||c.vec2();return 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'"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+_.inQuotes(i.id));if(o&&!i.isType(o))return void this.error("Expected a "+o+" type or subtype: "+i.type+" "+_.inQuotes(i.id))}this._attachments||(this._attachments={});const l=this._attached[t];let A,h,c;if(l){if(i&&l.id===i.id)return;const e=this._attachments[l.id];for(A=e.subs,h=0,c=A.length;h<c;h++)l.off(A[h]);delete this._attached[t],delete this._attachments[l.id];const s=e.params.onDetached;s&&(_.isFunction(s)?s(l):s.scope?s.callback.call(s.scope,l):s.callback(l)),e.managingLifecycle&&l.destroy()}if(i){const s={params:e,component:i,subs:[],managingLifecycle:false};s.subs.push(i.once("destroyed",(function(){s.params.component=null,this._attach(s.params)}),this)),a&&s.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=s;const r=e.onAttached;if(r&&(_.isFunction(r)?r(i):r.scope?r.callback.call(r.scope,i):r.callback(i)),n){let e,t,r,o;for(e in n)if(n.hasOwnProperty(e)){if(t=n[e],_.isFunction(t)?(r=t,o=null):(r=t.callback,o=t.scope),!r)continue;s.subs.push(i.on(e,r,o))}}}return a&&this.fire("dirty",this),this.fire(t,i),i}_checkComponent(e,t){if(!t.isComponent){if(!_.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}_checkComponent2(e,t){if(!t.isComponent){if(!_.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(t.scene.id===this.scene.id){for(var i=0,s=e.length;i<s;i++)if(e[i]===t.type)return t;return this.error("Expected component types: "+e),null}this.error("Not in same scene: "+t.type)}_own(e){this._ownedComponents||(this._ownedComponents={}),this._ownedComponents[e.id]||(this._ownedComponents[e.id]=e),e.once("destroyed",(()=>{delete this._ownedComponents[e.id]}),this)}_needUpdate(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():M.scheduleTask(this._doUpdate,this))}_doUpdate(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}scheduleTask(e){M.scheduleTask(e,null)}_update(){}clear(){if(this._ownedComponents)for(var e in this._ownedComponents)if(this._ownedComponents.hasOwnProperty(e)){this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}destroy(){if(this.destroyed)return;let e,t,i,s,r,o;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(t=this._attachments[e],i=t.component,s=t.subs,r=0,o=s.length;r<o;r++)i.off(s[r]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&(i=this._ownedComponents[e],i.destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}const S=c.vec3(),T=c.vec3(),R=c.mat4();class L{constructor(){this.normal=c.vec3(),this.offset=0,this.testVertex=c.vec3()}set(e,t,i,s){const r=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*r,this.normal[1]=t*r,this.normal[2]=i*r,this.offset=s*r,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}class U{constructor(){this.planes=[new L,new L,new L,new L,new L,new L]}}function O(e,t,i){const s=c.mulMat4(i,t,R),r=s[0],o=s[1],n=s[2],a=s[3],l=s[4],A=s[5],h=s[6],u=s[7],d=s[8],p=s[9],f=s[10],g=s[11],m=s[12],_=s[13],v=s[14],b=s[15];e.planes[0].set(a-r,u-l,g-d,b-m),e.planes[1].set(a+r,u+l,g+d,b+m),e.planes[2].set(a-o,u-A,g-p,b-_),e.planes[3].set(a+o,u+A,g+p,b+_),e.planes[4].set(a-n,u-h,g-f,b-v),e.planes[5].set(a+n,u+h,g+f,b+v)}function k(e,t){let i=U.INSIDE;const s=S,r=T;s[0]=t[0],s[1]=t[1],s[2]=t[2],r[0]=t[3],r[1]=t[4],r[2]=t[5];const o=[s,r];for(let t=0;t<6;++t){const s=e.planes[t];if(s.normal[0]*o[s.testVertex[0]][0]+s.normal[1]*o[s.testVertex[1]][1]+s.normal[2]*o[s.testVertex[2]][2]+s.offset<0)return U.OUTSIDE;s.normal[0]*o[1-s.testVertex[0]][0]+s.normal[1]*o[1-s.testVertex[1]][1]+s.normal[2]*o[1-s.testVertex[2]][2]+s.offset<0&&(i=U.INTERSECT)}return i}U.INSIDE=0,U.INTERSECT=1,U.OUTSIDE=2;class N extends D{constructor(e={}){if(!e.viewer)throw"[MarqueePicker] Missing config: viewer";if(!e.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=c.vec2(),this._canvasMarqueeCorner2=c.vec2(),this._canvasMarquee=c.AABB2(),this._marqueeFrustum=new U,this._marqueeFrustumProjMat=c.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==N.PICK_MODE_INSIDE&&e!==N.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===N.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=U.INTERSECT)=>{if(s===U.INTERSECT&&(s=k(this._marqueeFrustum,i.aabb)),s!==U.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===N.PICK_MODE_INSIDE){k(this._marqueeFrustum,r)===U.INSIDE&&e.push(s.id)}else{k(this._marqueeFrustum,r)!==U.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,u=-(this._canvasMarquee[1]-r)*n+1,d=this.viewer.scene.camera.frustum.near*(17*a);c.frustumMat4(l,A,h*a,u*a,d,1e4,this._marqueeFrustumProjMat),O(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}N.PICK_MODE_INTERSECTS=0,N.PICK_MODE_INSIDE=1;class Q{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class V{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){M.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const H={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},isTouchDevice:()=>"ontouchstart"in window||navigator.maxTouchPoints>0||navigator.mxMaxTouchPoints>0};function j(e,t,i=(()=>{})){if(!e||!t)return;let s=null;let r,o;const n=e=>{if(e.preventDefault(),s&&(clearTimeout(s),s=null),e.touches.length>1)return;const i=e.touches[0];r=i.clientX,o=i.clientY,s=setTimeout((()=>{e.clientX=i.clientX,e.clientY=i.clientY,t(e),clearTimeout(s),s=null}),500)},a=e=>{e.touches.length>1&&s&&(clearTimeout(s),s=null)},l=e=>{if(!s)return;const t=e.touches[0],i=Math.abs(t.clientX-r),n=Math.abs(t.clientY-o);(i>3||n>3)&&(clearTimeout(s),s=null)},A=e=>{e.preventDefault(),s&&(i(e),clearTimeout(s),s=null)},h=e=>{t(e),e.preventDefault(),e.stopPropagation()};return H.isIphoneSafari()?(e.addEventListener("touchstart",n),e.addEventListener("touchmove",l),e.addEventListener("touchend",A),window.addEventListener("touchstart",a)):e.addEventListener("contextmenu",h),function(){H.isIphoneSafari()?(e.removeEventListener("touchstart",n),e.removeEventListener("touchmove",l),e.removeEventListener("touchend",A),window.removeEventListener("touchstart",a)):e.removeEventListener("contextmenu",h)}}class G{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;if(o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu){j(r,(e=>{t.onContextMenu(e,this)}))}this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-6+"px",i.top=Math.round(t)-6+"px";var s=this._dotClickable.style;s.left=Math.round(e)-14+"px",s.top=Math.round(t)-14+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}_updateVisibility(){this._dot.style.visibility=this._dotClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}class z{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;if(s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu){j(i,(e=>{t.onContextMenu(e,this)}))}}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}_updateVisibility(){this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}class K{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;if(o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu){j(r,(e=>{t.onContextMenu(e,this)}))}this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]=i["-moz-transform"]=i["-ms-transform"]=i["-o-transform"]=i.transform="rotate("+t+"deg) translate(-"+this._thickness+"px, -"+this._thickness+"px)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]=s["-moz-transform"]=s["-ms-transform"]=s["-o-transform"]=s.transform="rotate("+t+"deg) translate(-"+this._thicknessClickable+"px, -"+this._thicknessClickable+"px)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}_updateVisibility(){this._wire.style.visibility=this._wireClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}const W=c.vec3(),X=c.vec4(),J=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,c.transformVec4(s,t,i),c.setMat4Translation(s,i,o),o.slice()}}();function Y(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function Z(e,t,i,s=1e3){const r=c.getPositionsCenter(e,W),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function q(e,t,i,s,r){const o=r?(X.set(i,0),X[3]=1,c.mulMat4v4(r,X,X)):i,n=c.dotVec3(t,o)+e,a=c.normalizeVec3(t,W);return c.mulVec3Scalar(a,-n,s),s}const $=1,ee=4,te=8,ie=16,se=32,re=256,oe=512,ne=1024,ae=2048,le=new Float32Array([0,0,0]),Ae=new Uint16Array([0,0,0]);c.OBB3();class he{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.isSceneModelEntity=!0,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=c.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=c.AABB3(),this._aabbDirty=!0,this._offset=c.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)c.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag($)}set visible(e){if(!!(this._flags&$)!==e){this._flags=e?this._flags|$:this._flags&~$;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(oe)}set highlighted(e){if(!!(this._flags&oe)!==e){this._flags=e?this._flags|oe:this._flags&~oe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(re)}set xrayed(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(ne)}set selected(e){if(!!(this._flags&ne)!==e){this._flags=e?this._flags|ne:this._flags&~ne;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(ae)}set edges(e){if(!!(this._flags&ae)!==e){this._flags=e?this._flags|ae:this._flags&~ae;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&ee)!==e){this._flags=e?this._flags|ee:this._flags&~ee;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(ie)}set clippable(e){if(!!(this._flags&ie)!==e){this._flags=e?this._flags|ie:this._flags&~ie;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(se)}set collidable(e){if(!!(this._flags&se)!==e){this._flags=e?this._flags|se:this._flags&~se;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(te)}set pickable(e){if(!!(this._flags&te)!==e){this._flags=e?this._flags|te:this._flags&~te;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return le[0]=e[0]/255,le[1]=e[1]/255,le[2]=e[2]/255,le}set colorize(e){if(e){Ae[0]=Math.floor(255*e[0]),Ae[1]=Math.floor(255*e[1]),Ae[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(Ae)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const ce=c.vec4(),ue=c.vec4();class de extends D{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._viewPos=c.vec3(),this._canvasPos=c.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(c.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){ce.set(this._viewPos),ce[3]=1,c.transformPoint4(this.scene.camera.projMatrix,ce,ue);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+ue[0]/ue[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-ue[1]/ue[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){this._entity!==e&&(this._cleanupDestroyedHandlers(),this._entity=e,this._entity&&(this._entity.isSceneModelEntity?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0))}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),Y(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._cleanupDestroyedHandlers(),this._renderer.removeMarker(this),super.destroy()}_cleanupDestroyedHandlers(){this._entity&&(null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null))}}const pe=c.vec2(),fe=c.vec2(),ge=c.vec2(),me=c.vec2(),_e=c.vec3(),ve=c.vec3(),be=c.vec4(),ye=c.vec4(),Be=c.vec4(),xe=c.vec4(),Pe=c.mat4(),we=()=>{};function Ce(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}const Me=(e,t,i)=>{Pe.set(e.viewMatrix),Pe.set(e.projMatrix),i.set(t),i[3]=1,c.mulMat4v4(e.viewMatrix,i,i),c.mulMat4v4(e.projMatrix,i,i)},Ee=(e,t,i,s)=>{s[0]=.5*(1+i[0])*e.offsetWidth,s[1]=.5*(1-i[1])*e.offsetHeight,Ce(e,t,s)},Fe=(e,t,i,s,r,o)=>{const n=e.camera,a=e.canvas.canvas;if(c.distVec3(i,s)<.001)return!1;const l=c.subVec3(s,i,_e);let A=0,h=1;for(let t of e._sectionPlanesState.sectionPlanes){const e=c.dotVec3(t.dir,c.subVec3(t.pos,s,ve)),r=c.dotVec3(t.dir,c.subVec3(t.pos,i,ve));if(r>0&&e>0)return!1;if(r>0||e>0){const e=c.dotVec3(t.dir,l);if(Math.abs(e)>=1e-6){const i=c.dotVec3(t.dir,ve)/e;r>0?A=Math.max(A,i):h=Math.min(h,i)}}}const u=be,d=ye;Me(n,A>0?c.addVec3(i,c.mulVec3Scalar(l,A,ve),ve):i,u),Me(n,h<1?c.addVec3(i,c.mulVec3Scalar(l,h,ve),ve):s,d);const p=u[2]/u[3]<-1||u[3]<0,f=d[2]/d[3]<-1||d[3]<0;if(p&&f)return!1;const g=(u[3]+u[2])/(u[3]+u[2]-(d[3]+d[2]));if(g>0&&g<1){const e=c.subVec4(d,u,Be);c.mulVec4Scalar(e,g,e),c.addVec4(u,e,p?u:d)}c.mulVec4Scalar(u,1/u[3]),c.mulVec4Scalar(d,1/d[3]);let m=0,_=1;for(let e=0;e<2;++e){const t=d[e]-u[e],i=(-u[3]-u[e])/t,s=(u[3]-u[e])/t;t>0?(m=Math.max(m,i),_=Math.min(_,s)):(m=Math.max(m,s),_=Math.min(_,i))}if(m>=_)return!1;const v=c.subVec4(d,u,Be);return c.addVec4(u,c.mulVec4Scalar(v,_,xe),d),c.addVec4(u,c.mulVec4Scalar(v,m,xe),u),c.mulVec4Scalar(u,1/u[3]),c.mulVec4Scalar(d,1/d[3]),Ee(a,t,u,r),Ee(a,t,d,o),!0};class Ie extends de{constructor(e,t,i,s={}){const r=e.camera;super(e,t),this.__visible=!0;const o=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new G(i,{borderColor:s.borderColor,fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:o(s.onMouseOver,"mouseover"),onMouseLeave:o(s.onMouseLeave,"mouseleave"),onMouseWheel:o(s.onMouseWheel,"wheel"),onMouseDown:o(s.onMouseDown,"mousedown"),onMouseUp:o(s.onMouseUp,"mouseup"),onMouseMove:o(s.onMouseMove,"mousemove"),onTouchstart:o(s.onTouchstart,"touchstart"),onTouchmove:o(s.onTouchmove,"touchmove"),onTouchend:o(s.onTouchend,"touchend"),onContextMenu:o(s.onContextMenu,"contextmenu")});const n=()=>{if(!this.__visible)return;const t=Be;((e,t)=>{t.set(e),t[3]=1,c.mulMat4v4(r.viewMatrix,t,t),c.mulMat4v4(r.projMatrix,t,t)})(this.worldPos,t),c.mulVec3Scalar(t,1/t[3]);const s=t[3]<0||t[0]<-1||t[0]>1||t[1]<-1||t[1]>1||t[2]<-1||t[2]>1||e._sectionPlanesState.sectionPlanes.some((e=>c.dotVec3(e.dir,c.subVec3(e.pos,this.worldPos,_e))>0));this._dot.setCulled(s),s||((t=>{const s=e.canvas.canvas;t[0]=.5*(1+t[0])*s.offsetWidth,t[1]=.5*(1-t[1])*s.offsetHeight,Ce(s,i,t)})(t),this._dot.setPos(t[0],t[1]))};this.on("worldPos",n);const a=r.on("viewMatrix",n),l=r.on("projMatrix",n),A=e.canvas.on("boundary",n),h=e.on("sectionPlaneUpdated",n);this._updatePosition=n,this._cleanup=()=>{r.off(a),r.off(l),e.canvas.off(A),e.off(h),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setFillColor(e){this._dot.setFillColor(e)}setBorderColor(e){this._dot.setBorderColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePosition(),this._dot.setVisible(e))}destroy(){this._cleanup(),super.destroy()}}class De{constructor(e,t,i){const s=e.camera;this._label=new z(t,i),this._start=c.vec3(),this._mid=c.vec3(),this._end=c.vec3(),this._yOff=0,this._betweenWires=!1,this.__visible=!0;const r=(e,t,i)=>{e[0]+=t[0],e[1]+=t[1],c.mulVec2Scalar(e,.5),this._label.setPos(e[0],e[1]+i)};this._updatePositions=()=>{if(this.__visible)if(this._betweenWires){const i=Fe(e,t,this._start,this._mid,pe,fe),s=Fe(e,t,this._end,this._mid,ge,me);this._label.setCulled(!(i||s)),i&&s?(fe[0]+=me[0],fe[1]+=me[1],c.mulVec2Scalar(fe,.5),fe[0]+=pe[0]+ge[0],fe[1]+=pe[1]+ge[1],c.mulVec2Scalar(fe,1/3),this._label.setPos(fe[0],fe[1])):i?r(pe,fe,0):s&&r(ge,me,0)}else{const i=Fe(e,t,this._start,this._end,pe,fe)&&c.distVec2(pe,fe)>=this._labelMinAxisLength;this._label.setCulled(!i),i&&r(pe,fe,this._yOff)}};const o=s.on("viewMatrix",this._updatePositions),n=s.on("projMatrix",this._updatePositions),a=e.canvas.on("boundary",this._updatePositions),l=e.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=()=>{s.off(o),s.off(n),e.canvas.off(a),e.off(l),this._label.destroy()}}setPosOnWire(e,t,i,s){this._start.set(e),this._end.set(t),this._yOff=i,this._labelMinAxisLength=s,this._betweenWires=!1,this._updatePositions()}setPosBetween(e,t,i){this._start.set(e),this._mid.set(t),this._end.set(i),this._betweenWires=!0,this._updatePositions()}setFillColor(e){this._label.setFillColor(e)}setHighlighted(e){this._label.setHighlighted(e)}setText(e){this._label.setText(e)}setClickable(e){this._label.setClickable(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._label.setVisible(e))}destroy(){this._cleanup()}}class Se{constructor(e,t,i){const s=e.camera;this._wire=new K(t,i),this._start=c.vec3(),this._end=c.vec3(),this.__visible=!0,this._updatePositions=()=>{if(!this.__visible)return;const i=Fe(e,t,this._start,this._end,pe,fe);this._wire.setCulled(!i),i&&this._wire.setStartAndEnd(pe[0],pe[1],fe[0],fe[1])};const r=s.on("viewMatrix",this._updatePositions),o=s.on("projMatrix",this._updatePositions),n=e.canvas.on("boundary",this._updatePositions),a=e.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=()=>{s.off(r),s.off(o),e.canvas.off(n),e.off(a),this._wire.destroy()}}setEnds(e,t){this._start.set(e),this._end.set(t),this._updatePositions()}setClickable(e){this._wire.setClickable(e)}setColor(e){this._wire.setColor(e)}setHighlighted(e){this._wire.setHighlighted(e)}setOpacity(e){this._wire.setOpacity(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._wire.setVisible(e))}destroy(){this._cleanup()}}function Te(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",we),l=i("onMove",we),A=i("onEnd",we),h=s.scene,u=h.canvas.canvas,d=e=>{const t=c.vec2([e.clientX,e.clientY]);Ce(u.ownerDocument.documentElement,u,t),l(t,(e=>{const t=c.vec3(),i=c.vec3();return c.canvasPosToWorldRay(u,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&d(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),d(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(u.addEventListener("mousemove",f),u.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{u.removeEventListener("mousemove",f),u.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function Re(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",we),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return Te(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}const Le=function(e,t,i){return function(s,r,o){const n=e.scene,a=n.canvas.canvas,l=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,Ce(a.ownerDocument.documentElement,a,t),t),A=e=>{const t=c.vec3(),s=c.vec3();return c.canvasPosToWorldRay(a,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,t,s),i(t,s)};let h=null;const u=()=>{};let d,p=u;const f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=u,d=null},g=function(){f(),a.removeEventListener("touchstart",m),a.removeEventListener("touchmove",_),a.removeEventListener("touchend",v)},m=function(i){const o=i.touches;if(1!==o.length)f(),s();else{const i=o[0],s=l(i,c.vec2());A(s)&&(d=i.identifier,p=e=>{c.distVec2(s,e)>20&&f()},h=setTimeout((function(){t.start(s),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=e=>{r(e,A(e))},p(s)}),300)}),250))}};a.addEventListener("touchstart",m,{passive:!0});const _=function(e){const t=[...e.changedTouches].find((e=>e.identifier===d));t&&p(l(t,c.vec2()))};a.addEventListener("touchmove",_,{passive:!0});const v=function(e){const t=[...e.changedTouches].find((e=>e.identifier===d));if(t){g();const e=l(t,c.vec2());o(e,A(e))}};return a.addEventListener("touchend",v,{passive:!0}),g}},Ue=c.vec3(),Oe=c.vec3();class ke extends D{constructor(e,t={}){const i=e.viewer.scene;super(i,t),this.plugin=e;const s=t.container;if(!s)throw"config missing: container";this._color=t.color||e.defaultColor;const r=function(e){const t=[];let i=!1!==e;return{reg:e=>t.push(e),get:()=>i,set:e=>{i=!1!==e,t.forEach((e=>e(i)))}}};this._visible=r(t.visible),this._originVisible=r(t.originVisible),this._cornerVisible=r(t.cornerVisible),this._targetVisible=r(t.targetVisible),this._originWireVisible=r(t.originWireVisible),this._targetWireVisible=r(t.targetWireVisible),this._angleVisible=r(t.angleVisible),this._labelsVisible=r(),this.labelsVisible=t.labelsVisible,this._clickable=r(!1),this.approximate=t.approximate;const o=i.canvas.canvas,n=t.onMouseOver?e=>{t.onMouseOver(e,this),o.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=t.onMouseLeave?e=>{t.onMouseLeave(e,this),o.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>o.dispatchEvent(new MouseEvent("mousedown",e)),h=e=>o.dispatchEvent(new MouseEvent("mouseup",e)),c=e=>o.dispatchEvent(new MouseEvent("mousemove",e)),u=e=>o.dispatchEvent(new WheelEvent("wheel",e));this._cleanups=[],this._drawables=[];const d=(e,t)=>{const i=()=>e.setVisible(t.every((e=>e.get())));t.forEach((e=>e.reg(i))),this._drawables.push(e),this._cleanups.push((()=>e.destroy()))},p=(t,r,o)=>{const p=new Se(i,s,{color:t,thickness:r,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return d(p,o),{setEnds:(e,t)=>p.setEnds(e,t),setColor:e=>p.setColor(e)}};this._originWire=p(this._color||"blue",1,[this._visible,this._originWireVisible]),this._targetWire=p(this._color||"red",1,[this._visible,this._targetWireVisible]);this._angleLabel=((t,r,o)=>{const p=new De(i,s,{fillColor:t,zIndex:e.zIndex+r,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return d(p,o),{setFillColor:e=>p.setFillColor(e),setPosOnWire:(e,t,i)=>p.setPosOnWire(e,t,i),setPosBetween:(e,t,i)=>p.setPosBetween(e,t,i),setText:e=>p.setText(e)}})(this._color||"#00BBFF",2,[this._visible,this._angleVisible,this._labelsVisible]);const f=(t,r)=>{const o=new Ie(i,t,s,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return o.on("worldPos",(()=>this._update())),d(o,r),o};this._originDot=f(t.origin,[this._visible,this._originVisible]),this._cornerDot=f(t.corner,[this._visible,this._cornerVisible]),this._targetDot=f(t.target,[this._visible,this._targetVisible]),this._update()}_update(){if(!this._targetDot)return;const e=this._originDot.worldPos,t=this._cornerDot.worldPos,i=this._targetDot.worldPos;this._originWire.setEnds(e,t),this._targetWire.setEnds(t,i),this._angleLabel.setPosBetween(e,t,i),c.subVec3(e,t,Ue),c.subVec3(i,t,Oe),c.lenVec3(Ue)>0&&c.lenVec3(Oe)>0?(c.normalizeVec3(Ue),c.normalizeVec3(Oe),this._angle=Math.abs(c.angleVec3(Ue,Oe))*c.RADTODEG,this._angleLabel.setText((this._approximate?" ~ ":" = ")+this._angle.toFixed(2)+"°")):(this._angle=void 0,this._angleLabel.setText(""))}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._angle}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF")}set visible(e){this._visible.set(e)}get visible(){return this._visible.get()}set originVisible(e){this._originVisible.set(e)}get originVisible(){return this._originVisible.get()}set cornerVisible(e){this._cornerVisible.set(e)}get cornerVisible(){return this._cornerVisible.get()}set targetVisible(e){this._targetVisible.set(e)}get targetVisible(){return this._targetVisible.get()}set originWireVisible(e){this._originWireVisible.set(e)}get originWireVisible(){return this._originWireVisible.get()}set targetWireVisible(e){this._targetWireVisible.set(e)}get targetWireVisible(){return this._targetWireVisible.get()}set angleVisible(e){this._angleVisible.set(e)}get angleVisible(){return this._angleVisible.get()}set labelsVisible(e){this._labelsVisible.set(void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible)}get labelsVisible(){return this._labelsVisible.get()}setHighlighted(e){this._drawables.forEach((t=>t.setHighlighted(e)))}set clickable(e){this._clickable.set(!!e),this._drawables.forEach((e=>e.setClickable(this._clickable.get())))}get clickable(){return this._clickable.get()}destroy(){this._cleanups.forEach((e=>e())),super.destroy()}}class Ne extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Qe extends Ne{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=c.vec3(),A=c.vec2();this._currentAngleMeasurement=null;const h=c.vec2(),u=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:if(this._canvasToPagePos)this._canvasToPagePos(t,i,h),this.markerDiv.style.left=h[0]-5+"px",this.markerDiv.style.top=h[1]-5+"px";else{const e=c.vec2(i);Ce(t,this.markerDiv.parentNode,e),this.markerDiv.style.left=e[0]-5+"px",this.markerDiv.style.top=e[1]-5+"px"}break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&u(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||u(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:c.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const d=e=>{if(r=!1,s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&d(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||d(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}const Ve=c.vec2();class He extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=Re({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}const je=c.vec3(),Ge=c.vec3(),ze=c.vec3();class Ke extends de{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._onContextMenuExternalMarker=()=>{this.plugin.fire("contextmenu",this)},this._onContextMenuExternalMarkerRemover=j(this._marker,this._onContextMenuExternalMarker),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),j(this._marker,(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)}),(e=>{e.preventDefault(),this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";_.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=c.normalizeVec3(e.worldNormal,je),i=this.plugin&&this.plugin.surfaceOffset||0,s=c.mulVec3Scalar(t,i,Ge),r=c.addVec3(e.worldPos,s,ze);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._onContextMenuExternalMarkerRemover(),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class We extends D{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const Xe=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class Je extends D{constructor(e,t={}){super(e,t),this._backgroundColor=c.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new We(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+c.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<Xe.length;e++)try{this.gl=this.canvas.getContext(Xe[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class Ye{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=c.vec3(),this.snapPickOrigin=c.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),J(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;J(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=c.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const Ze={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},qe=document.createElement("canvas");if(qe){const e=qe.getContext("webgl",{antialias:!0})||qe.getContext("experimental-webgl",{antialias:!0});Ze.WEBGL=!!e,Ze.WEBGL&&(Ze.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?Ze.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?Ze.FS_MAX_FLOAT_PRECISION="mediump":Ze.FS_MAX_FLOAT_PRECISION="lowp":Ze.FS_MAX_FLOAT_PRECISION="mediump",Ze.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),Ze.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),Ze.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),Ze.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),Ze.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),Ze.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),Ze.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),Ze.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),Ze.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),Ze.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){Ze.SUPPORTED_EXTENSIONS[e]=!0})))}class $e{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class et{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class tt{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class it{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const st=new e({});function rt(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function ot(e){console.error(e.join("\n"))}class nt{constructor(e,t){this.id=st.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new et(e,e.VERTEX_SHADER,rt(this.source.vertex)),this._fragmentShader=new et(e,e.FRAGMENT_SHADER,rt(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void ot(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void ot(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void ot(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void ot(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void ot(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new tt(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new it(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(st.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class at{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class lt{constructor(e,t){this.scene=e,this.aabb=c.AABB3(),this.origin=c.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;c.collapseAABB3(e),c.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new at(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new at(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const At=c.vec3([1,0,0]),ht=c.vec3();class ct{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new lt(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new lt(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new nt(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,J(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,q(i.dist,i.dir,o,ht)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*At[0],i=255*At[1],s=255*At[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const ut=c.vec2();class dt{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,u=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;ut[0]=o,ut[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,u),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,ut),t.uniform1f(this._uRandomSeed,d);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new nt(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new at(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new at(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new at(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const pt=new Float32Array(bt(17,[0,1])),ft=new Float32Array(bt(17,[1,0])),gt=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(vt(s,t));return i}(17,4)),mt=new Float32Array(2);class _t{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new nt(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new at(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new at(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new at(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=c.mat4();return()=>(e&&c.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),mt[0]=n,mt[1]=a,s.uniform2fv(this._uViewport,mt),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,ft):s.uniform2fv(this._uSampleOffsets,pt),s.uniform1fv(this._uSampleWeights,gt);const u=e.getDepthTexture(),d=t.getTexture();r.bindTexture(this._uDepthTexture,u,0),r.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function vt(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function bt(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class yt{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class Bt{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new yt(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function xt(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const Pt=c.vec3([0,0,0]),wt=function(t,i){i=i||{};const s=new Ye(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},u=[],d=[],f=!0,g=!0,m=!0,_=!0,v=!0,b=!0,y=!0,B=!0;const x=new Bt(t);let P=!1;const w=new dt(t),C=new _t(t);function M(){f&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),f=!1,g=!0),g&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];u[e++]=s}}u.length=e,u.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),g=!1,m=!0),m&&function(){let e=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.rebuildRenderFlags(),i.renderFlags.culled||(d[e++]=i)}d.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!xt(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!xt(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!xt(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!xt(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!xt(o,"WEBGL_compressed_texture_pvrtc")&&!xt(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,m=!0},this.setEdgesEnabled=function(e){v=e,m=!0},this.setSAOEnabled=function(e){b=e,m=!0},this.setPBREnabled=function(e){y=e,m=!0},this.setColorTextureEnabled=function(e){B=e,m=!0},this.needStateSort=function(){g=!0},this.shadowsDirty=function(){},this.imageDirty=function(){m=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){w.init(),C.init(),m=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,f=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],f=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return m||f||g},this.render=function(e){(e=e||{}).force&&(m=!0),M(),m&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=x.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=x.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),w.render(r),n.unbind(),i.blur){const e=x.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],u=[],f=[],g=[],m=[],P=[],w=[],C=[],M=[],E=[],F=[],I=[],D=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=B&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?D:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const S=t.sao.possible;if(b&&S){const e=x.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let T,R;const L=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,K=0,W=0,X=0,J=0,Y=0,Z=0;for(let e=0,t=d.length;e<t;e++){if(R=d[e],!0===R.culled||!1===R.visible)continue;const t=R.renderFlags;t.colorOpaque&&(b&&S&&R.saoEnabled?i[U++]=R:R.drawColorOpaque(s)),_&&t.colorTransparent&&(l[k++]=R),t.xrayedSilhouetteTransparent&&(f[H++]=R),t.xrayedSilhouetteOpaque&&(h[Q++]=R),t.highlightedSilhouetteTransparent&&(w[K++]=R),t.highlightedSilhouetteOpaque&&(m[G++]=R),t.selectedSilhouetteTransparent&&(F[Y++]=R),t.selectedSilhouetteOpaque&&(M[X++]=R),R.edges&&v&&(t.edgesOpaque&&(r[O++]=R),t.edgesTransparent&&(A[N++]=R),t.selectedEdgesTransparent&&(I[Z++]=R),t.selectedEdgesOpaque&&(E[J++]=R),t.xrayedEdgesTransparent&&(g[j++]=R),t.xrayedEdgesOpaque&&(u[V++]=R),t.highlightedEdgesTransparent&&(C[W++]=R),t.highlightedEdgesOpaque&&(P[z++]=R))}if(U>0)for(s.withSAO=!0,T=0;T<U;T++)i[T].drawColorOpaque(s);if(O>0)for(T=0;T<O;T++)r[T].drawEdgesColorOpaque(s);if(Q>0)for(T=0;T<Q;T++)h[T].drawSilhouetteXRayed(s);if(V>0)for(T=0;T<V;T++)u[T].drawEdgesXRayed(s);if(H>0||j>0||k>0||N>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(k>0||N>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),N>0)for(T=0;T<N;T++)R=A[T],R.drawEdgesColorTransparent(s);if(k>0){const e=s.pickOrigin||t.camera.eye,i=l.map((t=>({drawable:t,distSq:c.distVec3(t.origin||Pt,e)})));for(i.sort(((e,t)=>t.distSq-e.distSq)),T=0;T<k;T++)i[T].drawable.drawColorTransparent(s)}if(j>0)for(T=0;T<j;T++)g[T].drawEdgesXRayed(s);if(H>0)for(T=0;T<H;T++)f[T].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(G>0||z>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),z>0)for(T=0;T<z;T++)P[T].drawEdgesHighlighted(s);if(G>0)for(T=0;T<G;T++)m[T].drawSilhouetteHighlighted(s)}if(K>0||W>0||G>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(T=0;T<W;T++)C[T].drawEdgesHighlighted(s);if(K>0)for(T=0;T<K;T++)w[T].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(X>0||J>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),J>0)for(T=0;T<J;T++)E[T].drawEdgesSelected(s);if(X>0)for(T=0;T<X;T++)M[T].drawSilhouetteSelected(s)}if(Y>0||Z>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Z>0)for(T=0;T<Z;T++)I[T].drawEdgesSelected(s);if(Y>0)for(T=0;T<Y;T++)F[T].drawSilhouetteSelected(s);o.disable(o.BLEND)}const q=Date.now(),$=p.frame;$.renderTime=(q-L)/1e3,$.drawElements=s.drawElements,$.drawArrays=s.drawArrays,$.useProgram=s.useProgram,$.bindTexture=s.bindTexture,$.bindArray=s.bindArray;const ee=Ze.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<ee;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const te=Ze.MAX_VERTEX_ATTRIBS;for(let e=0;e<te;e++)o.disableVertexAttribArray(e)}(e)}(e),p.frame.frameCount++,m=!1)},this.pick=function(){const e=c.vec3();c.mat4();const i=c.mat4(),n=c.vec3(),a=c.vec3([0,1,0]),h=new $e,u=c.vec2(),p=c.vec3(),f=c.vec3(),g=c.vec3();return c.vec3(),c.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,B=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,B=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,B=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=c.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),c.normalizeVec3(n),c.cross3Vec3(g,n,a),b=c.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,B="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const P=x.getRenderBuffer("pick",{size:[1,1]});P.bind();const w=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,u=a.excludeEntityIds;for(let e=0,t=d.length;e<t;e++){const t=d[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||u&&u[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(P,p,b,y,m,_);if(!w)return P.unbind(),null;const C=w.delegatePickedEntity?w.delegatePickedEntity():w;return C?(m.pickSurface&&(w.canPickTriangle&&w.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(P,w,p,b,y,_),w.pickTriangleSurface(b,y,B,_),_.pickSurfacePrecision=!1):w.canPickWorldPos&&w.canPickWorldPos()&&(u[0]=t.camera.project.near,u[1]=t.camera.project.far,F(P,w,p,b,y,u,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=x.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const u=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const d=[u[0]/c.MAX_INT,u[1]/c.MAX_INT,u[2]/c.MAX_INT];c.normalizeVec3(d),l.worldNormal=d}(0,w,p,b,y,_),_.pickSurfacePrecision=!1)),P.unbind(),_.entity=C,_):(P.unbind(),null)}}();const F=function(){const e=c.vec4(),i=c.vec4(),n=c.vec4(),a=c.vec4(),l=c.vec4(),A=c.mat4(),h=c.mat4(),u=c.mat4();return function(d,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return c.dotVec4(t,i)}(d.read(0,0)),B=(f[0]-r.clientWidth/2)/(r.clientWidth/2),x=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),P=p.origin;let w;if(P){const e=J(g,P,A);w=c.mulMat4(m,e,h)}else w=c.mulMat4(m,g,h);const C=c.inverseMat4(w,u);e[0]=B,e[1]=x,e[2]=-1,e[3]=1;let M=c.transformVec4(C,e);M=c.mulVec4Scalar(M,1/M[3]),i[0]=B,i[1]=x,i[2]=1,i[3]=1;let E=c.transformVec4(C,i);E=c.mulVec4Scalar(E,1/E[3]);const F=c.subVec3(E,M,n),I=c.addVec3(M,c.mulVec4Scalar(F,y,a),l);P&&c.addVec3(I,P),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new $e;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:u,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=u||30,_=x.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:c.lookAtMat4v(a,c.addVec3(a,h,c.vec3()),c.vec3([0,1,0]),c.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=d.length;t<i;t++){const i=d[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const B=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),P=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),w=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=B.slice(F,F+4),R=P.slice(F,F+4),L=w.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=c.normalizeVec3([R[0]/c.MAX_INT,R[1]/c.MAX_INT,R[2]/c.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<B.length;e+=4)if(B[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?B[e+3]>y.length/2:p,result:[B[e+0],B[e+1],B[e+2],B[e+3]],normal:[P[e+0],P[e+1],P[e+2],P[e+3]],id:[w[e+0],w[e+1],w[e+2],w[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=c.normalizeVec3([t[0]/c.MAX_INT,t[1]/c.MAX_INT,t[2]/c.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new ct(t,x),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=d.length;e<t;e++){const t=d[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=x.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),m=!0},this.beginSnapshot=function(e={}){const t=x.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),P=!0},this.renderSnapshot=function(){if(!P)return;x.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),m=!0},this.readSnapshot=function(e){return x.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return x.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!P)return;x.getRenderBuffer("snapshot").unbind(),P=!1},this.destroy=function(){A={},h={},x.destroy(),w.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class Ct extends D{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.MOUSE_LEFT_BUTTON=260,this.MOUSE_MIDDLE_BUTTON=261,this.MOUSE_RIGHT_BUTTON=262,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=c.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){const t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const Mt=new e({});class Et{constructor(e){this.id=Mt.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){Mt.removeItem(this.id)}}class Ft extends D{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new Et({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class It extends D{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Et({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),c.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class Dt extends D{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Et({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),c.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class St extends D{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Et({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){c.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class Tt extends D{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Et({matrix:c.mat4(),inverseMatrix:c.mat4(),transposedMatrix:c.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(c.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(c.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,c.mulMat4v4(this.inverseMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,c.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const Rt=c.vec3(),Lt=c.vec3(),Ut=c.vec3(),Ot=c.vec3(),kt=c.vec3(),Nt=c.vec3(),Qt=c.vec4(),Vt=c.vec4(),Ht=c.vec4(),jt=c.mat4(),Gt=c.mat4(),zt=c.vec3(),Kt=c.vec3(),Wt=c.vec3(),Xt=c.vec3();class Jt extends D{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new Et({deviceMatrix:c.mat4(),hasDeviceMatrix:!1,matrix:c.mat4(),normalMatrix:c.mat4(),inverseMatrix:c.mat4()}),this._perspective=new It(this),this._ortho=new Dt(this),this._frustum=new St(this),this._customProjection=new Tt(this),this._project=this._perspective,this._eye=c.vec3([0,0,10]),this._look=c.vec3([0,0,0]),this._up=c.vec3([0,1,0]),this._worldUp=c.vec3([0,1,0]),this._worldRight=c.vec3([1,0,0]),this._worldForward=c.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(c.subVec3(this._eye,this._look,zt),c.normalizeVec3(zt,Kt),c.mulVec3Scalar(Kt,1e3,Wt),c.addVec3(this._look,Wt,Xt),t=Xt):t=this._eye,e.hasDeviceMatrix?(c.lookAtMat4v(t,this._look,this._up,Gt),c.mulMat4(e.deviceMatrix,Gt,e.matrix)):c.lookAtMat4v(t,this._look,this._up,e.matrix),c.inverseMat4(this._state.matrix,this._state.inverseMatrix),c.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=c.subVec3(this._eye,this._look,Rt);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,jt),t=c.transformPoint3(jt,t,Lt),this.eye=c.addVec3(this._look,t,Ut),this.up=c.transformPoint3(jt,this._up,Ot)}orbitPitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._eye,this._look,Rt);const i=c.cross3Vec3(c.normalizeVec3(t,Lt),c.normalizeVec3(this._up,Ut));c.rotationMat4v(.0174532925*e,i,jt),t=c.transformPoint3(jt,t,Ot),this.up=c.transformPoint3(jt,this._up,kt),this.eye=c.addVec3(t,this._look,Nt)}yaw(e){let t=c.subVec3(this._look,this._eye,Rt);c.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,jt),t=c.transformPoint3(jt,t,Lt),this.look=c.addVec3(t,this._eye,Ut),this._gimbalLock&&(this.up=c.transformPoint3(jt,this._up,Ot))}pitch(e){if(this._constrainPitch&&(e=c.dotVec3(this._up,this._worldUp)/c.DEGTORAD)<1)return;let t=c.subVec3(this._look,this._eye,Rt);const i=c.cross3Vec3(c.normalizeVec3(t,Lt),c.normalizeVec3(this._up,Ut));c.rotationMat4v(.0174532925*e,i,jt),this.up=c.transformPoint3(jt,this._up,Nt),t=c.transformPoint3(jt,t,Ot),this.look=c.addVec3(t,this._eye,kt)}pan(e){const t=c.subVec3(this._eye,this._look,Rt),i=[0,0,0];let s;if(0!==e[0]){const r=c.cross3Vec3(c.normalizeVec3(t,[]),c.normalizeVec3(this._up,Lt));s=c.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=c.mulVec3Scalar(c.normalizeVec3(this._up,Ut),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=c.mulVec3Scalar(c.normalizeVec3(t,Ot),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=c.addVec3(this._eye,i,kt),this.look=c.addVec3(this._look,i,Nt)}zoom(e){const t=c.subVec3(this._eye,this._look,Rt),i=Math.abs(c.lenVec3(t,Lt)),s=Math.abs(i+e);if(s<.5)return;const r=c.normalizeVec3(t,Ut);this.eye=c.addVec3(this._look,c.mulVec3Scalar(r,s),Ot)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=c.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return c.lenVec3(c.subVec3(this._look,this._eye,Rt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=Qt,i=Vt,s=Ht;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,c.mulMat4v4(this.viewMatrix,t,i),c.mulMat4v4(this.projMatrix,i,s),c.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class Yt extends D{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class Zt extends Yt{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new Et({type:"dir",dir:c.vec3([1,1,1]),color:c.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=c.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];c.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=c.identityMat4()),c.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new yt(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class qt extends Yt{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:c.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class $t extends D{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),p.memory.meshes++}destroy(){super.destroy(),p.memory.meshes--}}var ei=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],c.decompressPosition(n,i,A),c.decompressPosition(a,i,h),c.decompressPosition(l,i,u)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],u[0]=e[v],u[1]=e[v+1],u[2]=e[v+2]),c.subVec3(u,h,d),c.subVec3(A,h,p),c.cross3Vec3(d,p,f),c.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:c.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],B=Math.cos(c.DEGTORAD*b),x={};let P,w,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)P=s[e+i],w=s[e+(i+1)%3],C=Math.min(P,w),M=Math.max(P,w),E=C+","+M,void 0===x[E]?x[E]={index1:C,index2:M,face1:t,face2:void 0}:x[E].face2=t}for(E in x)F=x[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=c.dotVec3(I,D),S>B)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const ti=function(){const e=c.mat4(),t=c.mat4();return function(i,s){s=s||c.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return c.identityMat4(e),c.translationMat4v(i,e),c.identityMat4(t),c.scalingMat4v([a/h,l/h,A/h],t),c.mulMat4(e,t,s),s}}();var ii=function(){const e=c.mat4(),t=c.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));c.identityMat4(e),c.translationMat4v(s,e),c.identityMat4(t),c.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:c.mulMat4(e,t,c.identityMat4())}}}();var si=function(){const e=c.mat3(),t=c.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));c.identityMat3(e),c.translationMat3v(s,e),c.identityMat3(t),c.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:c.mulMat3(e,t,c.identityMat3())}}}();function ri(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function oi(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function ni(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const ai={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:ti,compressPositions:ii,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:si,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=ri(e,a,"floor","floor"),s=oi(i),o=n=ni(e,a,s),i=ri(e,a,"ceil","floor"),s=oi(i),o=ni(e,a,s),o>n&&(r=i,n=o),i=ri(e,a,"floor","ceil"),s=oi(i),o=ni(e,a,s),o>n&&(r=i,n=o),i=ri(e,a,"ceil","ceil"),s=oi(i),o=ni(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},li=p.memory,Ai=c.AABB3();class hi extends $t{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new Et({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=ai.getPositionsBounds(t.positions),s=ai.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=ai.getUVBounds(t.uv),s=ai.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=ai.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),li.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new at(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),li.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new at(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),li.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new at(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),li.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new at(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),li.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new at(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),li.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=ei(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new at(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),li.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=c.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new at(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new at(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),li.positions+=this._pickTrianglePositionsBuf.numItems,li.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),ai.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=ai.getPositionsBounds(e),s=ai.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),ai.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),ai.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=c.AABB3()),c.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=c.OBB3()),c.positions3ToAABB3(this._state.positions,Ai,this._state.positionsDecodeMatrix),c.AABB3ToOBB3(Ai,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),li.meshes--}}function ci(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class ui extends D{get type(){return"Material"}constructor(e,t={}){super(e,t),p.memory.materials++}destroy(){super.destroy(),p.memory.materials--}}const di={opaque:0,mask:1,blend:2},pi=["opaque","mask","blend"];class fi extends ui{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new Et({type:"PhongMaterial",ambient:c.vec3([1,1,1]),diffuse:c.vec3([1,1,1]),specular:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=di[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return pi[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const gi={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class mi extends ui{get type(){return"EmphasisMaterial"}get presets(){return gi}constructor(e,t={}){super(e,t),this._state=new Et({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=gi[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(gi).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const _i={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class vi extends ui{get type(){return"EdgeMaterial"}get presets(){return _i}constructor(e,t={}){super(e,t),this._state=new Et({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=_i[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(_i).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const bi={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class yi extends D{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=c.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return bi}set units(e){e||(e="meters");bi[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=c.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=c.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class Bi extends D{constructor(e,t={}){super(e,t),this._supported=Ze.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class xi extends D{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const Pi={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class wi extends ui{get type(){return"PointsMaterial"}get presets(){return Pi}constructor(e,t={}){super(e,t),this._state=new Et({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=Pi[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Pi).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const Ci={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class Mi extends ui{get type(){return"LinesMaterial"}get presets(){return Ci}constructor(e,t={}){super(e,t),this._state=new Et({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Ci[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Ci).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function Ei(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class Fi extends D{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new Je(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new wt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=c.vec4([0,0,0,0]),t=c.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new Ct(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new yi(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new Bi(this,{enabled:t.saoEnabled}),this.crossSections=new xi(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,M._addScene(this),this._initDefaults(),this._viewport=new Ft(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new Jt(this,{id:"default.camera",dontClear:!0}),new qt(this,{color:[1,1,1],intensity:.7}),new Zt(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new Zt(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+_.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=c.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],_.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&M.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=c.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!_.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||ci(hi)}get material(){return this.components["default.material"]||new fi(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new mi(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new mi(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new mi(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new vi(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new wi(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new Mi(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=c.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=c.AABB3());let e,t=c.MAX_DOUBLE,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MIN_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=Ei(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=Ei(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(_.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=c.MAX_DOUBLE,s=c.MAX_DOUBLE,r=c.MAX_DOUBLE,o=c.MIN_DOUBLE,n=c.MIN_DOUBLE,a=c.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=c.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){_.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=c.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const Ii=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=Ti(e),u=s.getNumAllocatedSectionPlanes()>0,d=Si(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=Ti(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=Si(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Di[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Di[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Di[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Di[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Di[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Di[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Di={};function Si(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function Ti(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Di[3e3]="linearToLinear",Di[3001]="sRGBToLinear";const Ri=c.vec3(),Li=new e({}),Ui=function(e,t){this.id=Li.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ii(t),this._allocate(t)},Oi={};Ui.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=Oi[i];if(!s){if(s=new Ui(i,e),s.errors)return console.log(s.errors.join("\n")),null;Oi[i]=s,p.memory.programs++}return s._useCount++,s},Ui.prototype.put=function(){0==--this._useCount&&(Li.removeItem(this.id),this._program&&this._program.destroy(),delete Oi[this._hash],p.memory.programs--)},Ui.prototype.webglContextRestored=function(){this._program=null},Ui.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=Ze.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=q(i.dist,i.dir,c,Ri);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},Ui.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new nt(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},Ui.prototype._bindProgram=function(e){const t=Ze.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class ki{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Ni=new e({}),Qi=c.vec3(),Vi=function(e,t){this.id=Ni.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new ki(t),this._allocate(t)},Hi={};Vi.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Hi[t];return i||(i=new Vi(t,e),Hi[t]=i,p.memory.programs++),i._useCount++,i},Vi.prototype.put=function(){0==--this._useCount&&(Ni.removeItem(this.id),this._program&&this._program.destroy(),delete Hi[this._hash],p.memory.programs--)},Vi.prototype.webglContextRestored=function(){this._program=null},Vi.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=q(i.dist,i.dir,A,Qi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},Vi.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new nt(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Vi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class ji{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Gi=new e({}),zi=c.vec3(),Ki=function(e,t){this.id=Gi.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new ji(t),this._allocate(t)},Wi={};Ki.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Wi[t];return i||(i=new Ki(t,e),Wi[t]=i,p.memory.programs++),i._useCount++,i},Ki.prototype.put=function(){0==--this._useCount&&(Gi.removeItem(this.id),this._program&&this._program.destroy(),delete Wi[this._hash],p.memory.programs--)},Ki.prototype.webglContextRestored=function(){this._program=null},Ki.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=q(i.dist,i.dir,h,zi);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},Ki.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new nt(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Ki.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class Xi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const Ji=c.vec3(),Yi=function(e,t){this._hash=e,this._shaderSource=new Xi(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Zi={};Yi.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=Zi[t];if(!i){if(i=new Yi(t,e),i.errors)return console.log(i.errors.join("\n")),null;Zi[t]=i,p.memory.programs++}return i._useCount++,i},Yi.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Zi[this._hash],p.memory.programs--)},Yi.prototype.webglContextRestored=function(){this._program=null},Yi.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=q(i.dist,i.dir,a,Ji);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Yi.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new nt(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},Yi.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class qi{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const $i=c.vec3(),es=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new qi(t),this._allocate(t)},ts={};es.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=ts[t];if(!i){if(i=new es(t,e),i.errors)return console.log(i.errors.join("\n")),null;ts[t]=i,p.memory.programs++}return i._useCount++,i},es.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete ts[this._hash],p.memory.programs--)},es.prototype.webglContextRestored=function(){this._program=null},es.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=q(i.dist,i.dir,l,$i);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},es.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new nt(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class is{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const ss=c.vec3(),rs=function(e,t){this._hash=e,this._shaderSource=new is(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},os={};rs.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=os[t];if(!i){if(i=new rs(t,e),i.errors)return console.log(i.errors.join("\n")),null;os[t]=i,p.memory.programs++}return i._useCount++,i},rs.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete os[this._hash],p.memory.programs--)},rs.prototype.webglContextRestored=function(){this._program=null},rs.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=q(i.dist,i.dir,a,ss);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},rs.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new nt(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},rs.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class ns{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const as=function(e,t){this._hash=e,this._shaderSource=new ns(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},ls={};as.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=ls[i];if(!s){if(s=new as(i,e),s.errors)return console.log(s.errors.join("\n")),null;ls[i]=s,p.memory.programs++}return s._useCount++,s},as.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete ls[this._hash],p.memory.programs--)},as.prototype.webglContextRestored=function(){this._program=null},as.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},as.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new nt(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},as.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class As{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const hs=c.OBB3(),cs=c.vec4(),us=c.vec4(),ds=c.vec4(),ps=c.vec3([1,0,0]),fs=c.vec3([0,1,0]),gs=c.vec3([0,0,1]),ms=c.vec3(3),_s=c.vec3(3),vs=c.identityMat4();class bs extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new As,this._state=new Et({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:c.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._worldMatrix=c.identityMat4(),this._worldNormalMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=c.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=c.identityMat4()),this.__localMatrix.set(e||vs),c.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=c.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=Ui.get(this),this._emphasisFillRenderer=Vi.get(this),this._emphasisEdgesRenderer=Ki.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=Yi.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=rs.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=c.mat4()),c.transposeMat4(this._worldMatrix,this._worldNormalMatrix),c.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){c.transformOBB3(e,this._geometry.obb,hs),c.OBB3ToAABB3(hs,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return cs[0]=e[0],cs[1]=e[1],cs[2]=e[2],cs[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(cs,us),c.mulQuaternions(this.quaternion,us,ds),this.quaternion=ds,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return cs[0]=e[0],cs[1]=e[1],cs[2]=e[2],cs[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(cs,us),c.mulQuaternions(us,this.quaternion,us),this}rotateX(e){return this.rotate(ps,e)}rotateY(e){return this.rotate(fs,e)}rotateZ(e){return this.rotate(gs,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,ms),c.mulVec3Scalar(ms,t,_s),c.addVec3(this.position,_s,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(ps,e)}translateY(e){return this.translate(fs,e)}translateZ(e){return this.translate(gs,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=c.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=Ui.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=Ui.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Vi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Vi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=Vi.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Ki.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Ki.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Ki.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Ki.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=Ki.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=rs.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=as.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=Yi.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=es.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){ys(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const ys=function(){const e=c.vec3(),t=c.vec3(),i=c.vec3(),s=c.vec3(),r=c.vec3(),o=c.vec3(),n=c.vec4(),a=c.vec3(),l=c.vec3(),A=c.vec3(),h=c.vec3(),u=c.vec3(),d=c.vec3(),p=c.vec3(),f=c.vec3(),g=c.vec3(),m=c.vec4(),_=c.vec4(),v=c.vec4(),b=c.vec3(),y=c.vec3(),B=c.vec3(),x=c.vec3(),P=c.vec3(),w=c.vec3(),C=c.vec3(),M=c.vec3(),E=c.vec3(),F=c.vec3(),I=c.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let K,W,X;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,K=3*O,W=3*k,X=3*N}else K=3*V,W=K+3,X=W+3;if(i[0]=z[K+0],i[1]=z[K+1],i[2]=z[K+2],s[0]=z[W+0],s[1]=z[W+1],s[2]=z[W+2],r[0]=z[X+0],r[1]=z[X+1],r[2]=z[X+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(ai.decompressPosition(i,e,i),ai.decompressPosition(s,e,s),ai.decompressPosition(r,e,r))}L.canvasPos?c.canvasPosToLocalRay(j.canvas,D.origin?J(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&c.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),c.normalizeVec3(t),c.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,c.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,c.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,c.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const Y=Q.normals;if(Y){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;ai.decompressNormal(Y.subarray(e,e+2),h),ai.decompressNormal(Y.subarray(t,t+2),u),ai.decompressNormal(Y.subarray(i,i+2),d)}else h[0]=Y[K],h[1]=Y[K+1],h[2]=Y[K+2],u[0]=Y[W],u[1]=Y[W+1],u[2]=Y[W+2],d[0]=Y[X],d[1]=Y[X+1],d[2]=Y[X+2];const e=c.addVec3(c.addVec3(c.mulVec3Scalar(h,A[0],b),c.mulVec3Scalar(u,A[1],y),B),c.mulVec3Scalar(d,A[2],x),P);L.worldNormal=c.normalizeVec3(c.transformVec3(D.worldNormalMatrix,e,w))}const Z=Q.uv;if(Z){if(p[0]=Z[2*O],p[1]=Z[2*O+1],f[0]=Z[2*k],f[1]=Z[2*k+1],g[0]=Z[2*N],g[1]=Z[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(ai.decompressUV(p,e,p),ai.decompressUV(f,e,f),ai.decompressUV(g,e,g))}L.uv=c.addVec3(c.addVec3(c.mulVec2Scalar(p,A[0],C),c.mulVec2Scalar(f,A[1],M),E),c.mulVec2Scalar(g,A[2],F),I)}}}}}();function Bs(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),o<1&&(o=1);const n=!!e.openEnded;let a=e.center;const l=a?a[0]:0,A=a?a[1]:0,h=a?a[2]:0,c=s/2,u=s/o,d=2*Math.PI/r,p=1/r,f=(t-i)/o,g=[],m=[],v=[],b=[];let y,B,x,P,w,C,M,E,F,I,D;const S=(90-180*Math.atan(s/(i-t))/Math.PI)/90;for(y=0;y<=o;y++)for(w=t-y*f,C=c-y*u,B=0;B<=r;B++)x=Math.sin(B*d),P=Math.cos(B*d),m.push(w*x),m.push(S),m.push(w*P),v.push(B*p),v.push(1*y/o),g.push(w*x+l),g.push(C+A),g.push(w*P+h);for(y=0;y<o;y++)for(B=0;B<=r;B++)M=y*(r+1)+B,E=M+r,b.push(M),b.push(E),b.push(E+1),b.push(M),b.push(E+1),b.push(M+1);if(!n&&t>0){for(F=g.length/3,m.push(0),m.push(1),m.push(0),v.push(.5),v.push(.5),g.push(0+l),g.push(c+A),g.push(0+h),B=0;B<=r;B++)x=Math.sin(B*d),P=Math.cos(B*d),I=.5*Math.sin(B*d)+.5,D=.5*Math.cos(B*d)+.5,m.push(t*x),m.push(1),m.push(t*P),v.push(I),v.push(D),g.push(t*x+l),g.push(c+A),g.push(t*P+h);for(B=0;B<r;B++)a=F,M=F+1+B,b.push(M),b.push(M+1),b.push(a)}if(!n&&i>0){for(F=g.length/3,m.push(0),m.push(-1),m.push(0),v.push(.5),v.push(.5),g.push(0+l),g.push(0-c+A),g.push(0+h),B=0;B<=r;B++)x=Math.sin(B*d),P=Math.cos(B*d),I=.5*Math.sin(B*d)+.5,D=.5*Math.cos(B*d)+.5,m.push(i*x),m.push(-1),m.push(i*P),v.push(I),v.push(D),g.push(i*x+l),g.push(0-c+A),g.push(i*P+h);for(B=0;B<r;B++)a=F,M=F+1+B,b.push(a),b.push(M+1),b.push(M)}return _.apply(e,{positions:g,normals:m,uv:v,indices:b})}function xs(e={}){const t=e.lod||1,i=e.center?e.center[0]:0,s=e.center?e.center[1]:0,r=e.center?e.center[2]:0;let o=e.radius||1;o<0&&(console.error("negative radius not allowed - will invert"),o*=-1);let n=e.heightSegments||18;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n=Math.floor(t*n),n<18&&(n=18);let a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),a=Math.floor(t*a),a<18&&(a=18);const l=[],A=[],h=[],c=[];let u,d,p,f,g,m,v,b,y,B,x,P,w,C,M;for(u=0;u<=n;u++)for(p=u*Math.PI/n,f=Math.sin(p),g=Math.cos(p),d=0;d<=a;d++)m=2*d*Math.PI/a,v=Math.sin(m),b=Math.cos(m),y=b*f,B=g,x=v*f,P=1-d/a,w=u/n,A.push(y),A.push(B),A.push(x),h.push(P),h.push(w),l.push(i+o*y),l.push(s+o*B),l.push(r+o*x);for(u=0;u<n;u++)for(d=0;d<a;d++)C=u*(a+1)+d,M=C+a+1,c.push(C+1),c.push(M+1),c.push(M),c.push(C+1),c.push(M),c.push(C);return _.apply(e,{positions:l,normals:A,uv:h,indices:c})}const Ps={" 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[8,1],[7,0],[6,-2],[6,-4],[7,-6],[-1,-1],[6,8],[8,6],[8,4],[7,2],[6,1],[5,-1],[5,-3],[6,-5],[7,-6],[9,-7]]},"|":{width:8,points:[[4,25],[4,-7]]},"}":{width:14,points:[[5,25],[7,24],[8,23],[9,21],[9,19],[8,17],[7,16],[6,14],[6,12],[8,10],[-1,-1],[7,24],[8,22],[8,20],[7,18],[6,17],[5,15],[5,13],[6,11],[10,9],[6,7],[5,5],[5,3],[6,1],[7,0],[8,-2],[8,-4],[7,-6],[-1,-1],[8,8],[6,6],[6,4],[7,2],[8,1],[9,-1],[9,-3],[8,-5],[7,-6],[5,-7]]},"~":{width:24,points:[[3,6],[3,8],[4,11],[6,12],[8,12],[10,11],[14,8],[16,7],[18,7],[20,8],[21,10],[-1,-1],[3,8],[4,10],[6,11],[8,11],[10,10],[14,7],[16,6],[18,6],[20,7],[21,10],[21,12]]}};function ws(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;_.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,v=(l||"").split("\n"),b=0,y=0,B=.04,x=0;x<v.length;x++){A=0,c=(h=v[x]).length;for(var P=0;P<c;P++)if(u=Ps[h.charAt(P)]){d=1,p=-1,f=-1,g=u.points.length;for(var w=0;w<g;w++)-1!==(m=u.points[w])[0]||-1!==m[1]?(n.push(A+m[0]*o*B+i),n.push(y+m[1]*o*B+s),n.push(0+r),-1===p?p=b:(-1===f||(p=f),f=b),b++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*B*o}y-=35*B*o}return _.apply(e,{primitive:"lines",positions:n,indices:a})}c.vec3();class Cs extends D{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new Et({active:!0,pos:c.vec3(),dir:c.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-c.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){c.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const Ms=c.vec4(4),Es=c.vec4(),Fs=c.vec4(),Is=c.vec3([1,0,0]),Ds=c.vec3([0,1,0]),Ss=c.vec3([0,0,1]),Ts=c.vec3(3),Rs=c.vec3(3),Ls=c.identityMat4();class Us extends D{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=c.vec3(),this._quaternion=c.identityQuaternion(),this._rotation=c.vec3(),this._position=c.vec3(),this._offset=c.vec3(),this._localMatrix=c.identityMat4(),this._worldMatrix=c.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=c.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)c.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=c.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;c.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&c.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+_.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(_.isNumeric(e)||_.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+_.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||Ls),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Ms[0]=e[0],Ms[1]=e[1],Ms[2]=e[2],Ms[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Ms,Es),c.mulQuaternions(this.quaternion,Es,Fs),this.quaternion=Fs,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Ms[0]=e[0],Ms[1]=e[1],Ms[2]=e[2],Ms[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(Ms,Es),c.mulQuaternions(Es,this.quaternion,Es),this}rotateX(e){return this.rotate(Is,e)}rotateY(e){return this.rotate(Ds,e)}rotateZ(e){return this.rotate(Ss,e)}translate(e,t){return c.vec3ApplyQuaternion(this.quaternion,e,Ts),c.mulVec3Scalar(Ts,t,Rs),c.addVec3(this.position,Rs,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Is,e)}translateY(e){return this.translate(Ds,e)}translateZ(e){return this.translate(Ss,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class Os extends ui{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new Et({type:"LambertMaterial",ambient:c.vec3([1,1,1]),color:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const ks={opaque:0,mask:1,blend:2},Ns=["opaque","mask","blend"];class Qs extends ui{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new Et({type:"MetallicMaterial",baseColor:c.vec4([1,1,1]),emissive:c.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=ks[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Ns[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const Vs={opaque:0,mask:1,blend:2},Hs=["opaque","mask","blend"];class js extends ui{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new Et({type:"SpecularMaterial",diffuse:c.vec3([1,1,1]),emissive:c.vec3([0,0,0]),specular:c.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=Vs[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Hs[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function Gs(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=xt(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=xt(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=xt(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=xt(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=xt(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=xt(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=xt(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const zs=new Uint8Array([0,0,0,1]);class Ks{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(zs[0]=Math.floor(255*e[0]),zs[1]=Math.floor(255*e[1]),zs[2]=Math.floor(255*e[2]),zs[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(zs[0]=0,zs[1]=0,zs[2]=0,zs[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,zs)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,zs);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=Gs(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=Gs(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=Gs(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=Gs(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=Gs(i,this.format,this.encoding),d=Gs(i,this.type),p=Ws(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(_.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=Gs(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=Gs(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=Gs(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Xs(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Xs(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,Gs(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,Gs(i,this.magFilter)));const a=Gs(i,this.format,this.encoding),l=Gs(i,this.type),A=Ws(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=Gs(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=Gs(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=Gs(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=Gs(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function Ws(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||xt(e,"EXT_color_buffer_float"),n}function Xs(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function Js(e){if(!Ys(e.width)||!Ys(e.height)){const t=document.createElement("canvas");t.width=Zs(e.width),t.height=Zs(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Ys(e){return 0==(e&e-1)}function Zs(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class qs extends D{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new Et({texture:new Ks({gl:this.scene.canvas.gl}),matrix:c.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=c.vec2([0,0]),this._scale=c.vec2([1,1]),this._rotate=c.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),p.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new Ks({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=c.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=c.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?c.mulMat4(t,i):i),0!==this._rotate&&(i=c.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?c.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=Js(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=Js(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),p.memory.textures--}}const $s=p.memory,er=c.AABB3();class tr extends $t{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new Et({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=c.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=ai.getPositionsBounds(t.positions),o=ai.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new at(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),$s.positions+=i.positionsBuf.numItems,c.positions3ToAABB3(t.positions,this._aabb),c.positions3ToAABB3(r,er,i.positionsDecodeMatrix),c.AABB3ToOBB3(er,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new at(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),$s.colors+=i.colorsBuf.numItems}if(t.uv){const e=ai.getUVBounds(t.uv),r=ai.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new at(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),$s.uvs+=i.uvBuf.numItems}if(t.normals){const e=ai.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new at(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),$s.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new at(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),$s.indices+=i.indicesBuf.numItems;const o=ei(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new at(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),$s.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),$s.meshes--}}var ir={};function sr(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return _.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function rr(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return _.apply(e,{primitive:"lines",positions:o,indices:n})}function or(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),v=new Float32Array(d*p*3),b=new Float32Array(d*p*2);let y,B,x,P,w,C,M,E=0,F=0;for(y=0;y<p;y++){const e=y*g-h;for(B=0;B<d;B++)x=B*f-A,m[E]=x+n,m[E+1]=a,m[E+2]=-e+l,v[E+2]=-1,b[F]=B/c,b[F+1]=(u-y)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(y=0;y<u;y++)for(B=0;B<c;B++)P=B+d*y,w=B+d*(y+1),C=B+1+d*(y+1),M=B+1+d*y,I[E]=M,I[E+1]=w,I[E+2]=P,I[E+3]=M,I[E+4]=C,I[E+5]=w,E+=6;return _.apply(e,{positions:m,normals:v,uv:b,indices:I})}function nr(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],u=[],d=[],p=[];let f,g,m,v,b,y,B,x,P,w,C,M;for(x=0;x<=r;x++)for(B=0;B<=s;B++)f=B/s*o,g=.785398+x/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),v=(t+i*Math.cos(g))*Math.sin(f),b=i*Math.sin(g),h.push(m+a),h.push(v+l),h.push(b+A),d.push(1-B/s),d.push(x/r),y=c.normalizeVec3(c.subVec3([m,v,b],[a,l,A],[]),[]),u.push(y[0]),u.push(y[1]),u.push(y[2]);for(x=1;x<=r;x++)for(B=1;B<=s;B++)P=(s+1)*x+B-1,w=(s+1)*(x-1)+B-1,C=(s+1)*(x-1)+B,M=(s+1)*x+B,p.push(P),p.push(w),p.push(C),p.push(C),p.push(M),p.push(P);return _.apply(e,{positions:h,normals:u,uv:d,indices:p})}function ar(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return _.apply(e,{primitive:"lines",positions:e.points,indices:i})}ir.load=function(e,t){var i=new XMLHttpRequest;i.open("GET",e,!0),i.responseType="arraybuffer",i.onload=function(e){t(e.target.response)},i.send()},ir.save=function(e,t){var i="data:application/octet-stream;base64,"+btoa(ir.parse._buffToStr(e));window.location.href=i},ir.clone=function(e){return JSON.parse(JSON.stringify(e))},ir.bin={},ir.bin.f=new Float32Array(1),ir.bin.fb=new Uint8Array(ir.bin.f.buffer),ir.bin.rf=function(e,t){for(var i=ir.bin.f,s=ir.bin.fb,r=0;r<4;r++)s[r]=e[t+r];return i[0]},ir.bin.rsl=function(e,t){return e[t]|e[t+1]<<8},ir.bin.ril=function(e,t){return e[t]|e[t+1]<<8|e[t+2]<<16|e[t+3]<<24},ir.bin.rASCII0=function(e,t){for(var i="";0!=e[t];)i+=String.fromCharCode(e[t++]);return i},ir.bin.wf=function(e,t,i){new Float32Array(e.buffer,t,1)[0]=i},ir.bin.wsl=function(e,t,i){e[t]=i,e[t+1]=i>>8},ir.bin.wil=function(e,t,i){e[t]=i,e[t+1]=i>>8,e[t+2]=i>>16,e[t+3]},ir.parse={},ir.parse._buffToStr=function(e){for(var t=new Uint8Array(e),i="",s=0;s<t.length;s++)i=i.concat(String.fromCharCode(t[s]));return i},ir.parse._strToBuff=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),s=0;s<e.length;s++)i[s]=e.charCodeAt(s);return t},ir.parse._readLine=function(e,t){for(var i="";10!=e[t];)i+=String.fromCharCode(e[t++]);return i},ir.parse.fromJSON=function(e){return JSON.parse(ir.parse._buffToStr(e))},ir.parse.toJSON=function(e){var t=JSON.stringify(e);return ir.parse._strToBuff(t)},ir.parse.fromOBJ=function(e){for(var t={groups:{},c_verts:[],c_uvt:[],c_norms:[],i_verts:[],i_uvt:[],i_norms:[]},i={from:0,to:0},s=0,r=new Uint8Array(e);s<r.length;){var o=ir.parse._readLine(r,s);s+=o.length+1;var n=(o=(o=o.replace(/ +(?= )/g,"")).replace(/(^\s+|\s+$)/g,"")).split(" ");if("g"==n[0]&&(i.to=t.i_verts.length,null==t.groups[n[1]]&&(t.groups[n[1]]={from:t.i_verts.length,to:0}),i=t.groups[n[1]]),"v"==n[0]){var a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_verts.push(a,l,A)}if("vt"==n[0]){a=parseFloat(n[1]),l=1-parseFloat(n[2]);t.c_uvt.push(a,l)}if("vn"==n[0]){a=parseFloat(n[1]),l=parseFloat(n[2]),A=parseFloat(n[3]);t.c_norms.push(a,l,A)}if("f"==n[0]){var h=n[1].split("/"),c=n[2].split("/"),u=n[3].split("/"),d=parseInt(h[0])-1,p=parseInt(c[0])-1,f=parseInt(u[0])-1,g=parseInt(h[1])-1,m=parseInt(c[1])-1,_=parseInt(u[1])-1,v=parseInt(h[2])-1,b=parseInt(c[2])-1,y=parseInt(u[2])-1,B=t.c_verts.length/3,x=t.c_uvt.length/2,P=t.c_norms.length/3;if(d<0&&(d=B+d+1),p<0&&(p=B+p+1),f<0&&(f=B+f+1),g<0&&(g=x+g+1),m<0&&(m=x+m+1),_<0&&(_=x+_+1),v<0&&(v=P+v+1),b<0&&(b=P+b+1),y<0&&(y=P+y+1),t.i_verts.push(d,p,f),t.i_uvt.push(g,m,_),t.i_norms.push(v,b,y),5==n.length){var w=n[4].split("/"),C=parseInt(w[0])-1,M=parseInt(w[1])-1,E=parseInt(w[2])-1;C<0&&(C=B+C+1),M<0&&(M=x+M+1),E<0&&(E=P+E+1),t.i_verts.push(d,f,C),t.i_uvt.push(g,_,M),t.i_norms.push(v,y,E)}}}return i.to=t.i_verts.length,t},ir.parse.fromMD2=function(e){e=new Uint8Array(e);var t={},i={};i.ident=ir.bin.ril(e,0),i.version=ir.bin.ril(e,4),i.skinwidth=ir.bin.ril(e,8),i.skinheight=ir.bin.ril(e,12),i.framesize=ir.bin.ril(e,16),i.num_skins=ir.bin.ril(e,20),i.num_vertices=ir.bin.ril(e,24),i.num_st=ir.bin.ril(e,28),i.num_tris=ir.bin.ril(e,32),i.num_glcmds=ir.bin.ril(e,36),i.num_frames=ir.bin.ril(e,40),i.offset_skins=ir.bin.ril(e,44),i.offset_st=ir.bin.ril(e,48),i.offset_tris=ir.bin.ril(e,52),i.offset_frames=ir.bin.ril(e,56),i.offset_glcmds=ir.bin.ril(e,60),i.offset_end=ir.bin.ril(e,64);var s=i.offset_st;t.c_uvt=[];for(var r=0;r<i.num_st;r++){var o=ir.bin.rsl(e,s)/i.skinwidth,n=ir.bin.rsl(e,s+2)/i.skinheight;t.c_uvt.push(o,n),s+=4}s=i.offset_tris;var a=[],l=[];t.i_verts=a,t.i_uvt=l;for(r=0;r<i.num_tris;r++)a.push(ir.bin.rsl(e,s),ir.bin.rsl(e,s+2),ir.bin.rsl(e,s+4)),l.push(ir.bin.rsl(e,s+6),ir.bin.rsl(e,s+8),ir.bin.rsl(e,s+10)),s+=12;s=i.offset_skins;t.skins=[];for(r=0;r<i.num_skins;r++)t.skins.push(ir.bin.rASCII0(e,s)),s+=64;s=i.offset_frames;t.frames=[];var A=ir.parse.fromMD2._normals;for(r=0;r<i.num_frames;r++){var h={},c=ir.bin.rf(e,s),u=ir.bin.rf(e,s+4),d=ir.bin.rf(e,s+8);s+=12;var p=ir.bin.rf(e,s),f=ir.bin.rf(e,s+4),g=ir.bin.rf(e,s+8);s+=12,h.name=ir.bin.rASCII0(e,s),s+=16,h.verts=[],h.norms=[];for(var m=0;m<i.num_vertices;m++)h.verts.push(e[s]*c+p,e[s+1]*u+f,e[s+2]*d+g),h.norms.push(A[3*e[s+3]],A[3*e[s+3]+1],A[3*e[s+3]+2]),s+=4;t.frames.push(h)}return 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t=ir.parse._buffToStr(e),i=(new DOMParser).parseFromString(t,"text/xml"),s={},r=(i=i.childNodes[0]).getElementsByTagName("asset")[0],o=i.getElementsByTagName("library_geometries")[0],n=i.getElementsByTagName("library_images")[0],a=i.getElementsByTagName("library_materials")[0],l=i.getElementsByTagName("library_effects")[0];return r&&(s.asset=ir.parse.fromCollada._asset(r)),o&&(s.geometries=ir.parse.fromCollada._libGeometries(o)),n&&(s.images=ir.parse.fromCollada._libImages(n)),a&&(s.materials=ir.parse.fromCollada._libMaterials(a)),l&&(s.effects=ir.parse.fromCollada._libEffects(l)),s},ir.parse.fromCollada._asset=function(e){return{created:e.getElementsByTagName("created")[0].textContent,modified:e.getElementsByTagName("modified")[0].textContent,up_axis:e.getElementsByTagName("up_axis")[0].textContent}},ir.parse.fromCollada._libGeometries=function(e){e=e.getElementsByTagName("geometry");for(var t=[],i=0;i<e.length;i++){var 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r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},ir.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},ir.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},ir.mat={},ir.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},ir.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},ir.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return ir.mat.rotate(e*s,t*s,i*s)},ir.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},ir.edit={},ir.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},ir.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},ir.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},ir.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},ir.utils={},ir.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class lr extends D{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=c.vec3(t.pos||[0,0,0]),this._up=c.vec3(t.up||[0,1,0]),this._normal=c.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=c.vec3(),this._rtcPos=c.vec3(),this._imageSize=c.vec2(),this._texture=new qs(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new Us(this,{matrix:c.inverseMat4(c.lookAtMat4v(this._pos,c.subVec3(this._pos,this._normal,c.mat4()),this._up,c.mat4())),children:[this._bitmapMesh=new bs(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new hi(this,or({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new fi(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const Ar=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},hr=c.vec3(),cr=c.vec3(),ur=c.vec3();class dr{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!Ar(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];hr[0]=e[r],hr[1]=e[r+1],hr[2]=e[r+2],cr[0]=e[o],cr[1]=e[o+1],cr[2]=e[o+2],ur[0]=e[n],ur[1]=e[n+1],ur[2]=e[n+2],c.cross3Vec3(hr,cr,hr),i+=c.dotVec3(hr,ur)}return i/6}}const pr=new dr,fr=c.vec3(),gr=c.vec3(),mr=c.vec3(),_r=c.vec3(),vr=c.vec3(),br=c.vec3();class yr{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];fr[0]=e[r],fr[1]=e[r+1],fr[2]=e[r+2],gr[0]=e[o],gr[1]=e[o+1],gr[2]=e[o+2],mr[0]=e[n],mr[1]=e[n+1],mr[2]=e[n+2],c.subVec3(fr,gr,_r),c.subVec3(mr,gr,vr),i+=.5*c.lenVec3(c.cross3Vec3(_r,vr,br))}return i}}const Br=new yr,xr=c.OBB3(),Pr=c.OBB3(),wr=c.OBB3();class Cr{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=c.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":pr.reset(),pr.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{pr.addVertex(e)})),this.getEachIndex((e=>{pr.addIndex(e)})),this._volume=pr.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Br.reset(),this.getEachVertex((e=>{Br.addVertex(e)})),this.getEachIndex((e=>{Br.addIndex(e)})),this._surfaceArea=Br.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);const t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}get aabb(){return this._aabbWorldDirty&&(c.AABB3ToOBB3(this._aabbLocal,xr),this.transform?(c.transformOBB3(this.transform.worldMatrix,xr,Pr),c.transformOBB3(this.model.worldMatrix,Pr,wr),c.OBB3ToAABB3(wr,this._aabbWorld)):(c.transformOBB3(this.model.worldMatrix,xr,Pr),c.OBB3ToAABB3(Pr,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const Mr=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let Er=0;const Fr={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},Ir=new Float32Array([1,1,1,1]),Dr=new Float32Array([0,0,0,1]),Sr=c.vec4(),Tr=c.vec3(),Rr=c.vec3(),Lr=c.mat4();class Ur{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const r=this._uSectionPlanes[t];if(r)if(t<n){const o=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(r.active,o?1:0),o){const o=a[t],n=e._state.origin;if(n){const e=q(o.dist,o.dir,n,Tr,s.matrix);i.uniform3fv(r.pos,e)}else i.uniform3fv(r.pos,o.pos);i.uniform3fv(r.dir,o.dir)}}else i.uniform1i(r.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges&&e.edgeIndicesBuf?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=Ze.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:u,positionsDecodeMatrix:d}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,worldNormalMatrix:B}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let x=0;const P=16;this._matricesUniformBlockBufferData.set(y,0);const w=0!==u[0]||0!==u[1]||0!==u[2],C=0!==b[0]||0!==b[1]||0!==b[2];if(w||C){const e=Tr;if(w){const t=c.transformPoint3(y,u,Rr);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set(J(v,e,Lr),x+=P)}else this._matricesUniformBlockBufferData.set(v,x+=P);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,x+=P),this._matricesUniformBlockBufferData.set(d,x+=P),this._matricesUniformBlockBufferData.set(B,x+=P),this._matricesUniformBlockBufferData.set(m,x+=P),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;Sr[0]=i,Sr[1]=s,Sr[2]=t.blendCutoff,Sr[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,Sr),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===Fr[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Fr[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===Fr[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?Dr:Ir)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,p.memory.programs--}}class Or extends Ur{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)i.edgeIndicesBuf&&t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class kr extends Or{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class Nr extends Or{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class Qr extends Or{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class Vr extends Or{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class Hr extends Vr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class jr extends Vr{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Gr extends Or{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class zr extends Or{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Kr extends Or{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Wr extends Or{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Xr extends Or{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class Jr extends Or{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Yr extends Or{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class Zr extends Or{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class qr extends Or{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class $r extends Or{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const eo=c.vec3(),to=c.vec3(),io=c.vec3(),so=c.vec3(),ro=c.mat4();class oo extends Ur{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=eo;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=to;if(l){const e=io;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,ro),g=so,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const no=c.vec3(),ao=c.vec3(),lo=c.vec3(),Ao=c.vec3(),ho=c.mat4();class co extends Ur{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=no;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ao;if(l){const e=lo;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,ho),g=Ao,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class uo{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Qr(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Gr(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new zr(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new oo(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new co(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new kr(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new kr(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new Nr(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Nr(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new $r(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new $r(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new $r(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new $r(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Zr(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Zr(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Qr(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Xr(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Jr(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Hr(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new jr(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Gr(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Kr(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new qr(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new zr(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Wr(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Yr(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new co(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new oo(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const po={};let fo=65536,go=5e6;class mo{constructor(){}set doublePrecisionEnabled(e){c.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return c.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),fo=e}get maxDataTextureHeight(){return fo}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),go=e}get maxGeometryBatchSize(){return go}}const _o=new mo;class vo{constructor(e=_o.maxGeometryBatchSize){this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const bo=c.mat4(),yo=c.mat4();function Bo(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,u=65525,d=u/l,p=u/A,f=u/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*d),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return c.identityMat4(bo),c.translationMat4v(t,bo),c.identityMat4(yo),c.scalingMat4v([l/u,A/u,h/u],yo),c.mulMat4(bo,yo,i),r}function xo(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return c.identityMat4(bo),c.translationMat4v(e,bo),c.identityMat4(yo),c.scalingMat4v([o/l,n/l,a/l],yo),c.mulMat4(bo,yo,t),t}function Po(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function wo(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const Co=c.mat4(),Mo=c.mat4(),Eo=c.vec4([0,0,0,1]),Fo=c.vec3(),Io=c.vec3(),Do=c.vec3(),So=c.vec3(),To=c.vec3(),Ro=c.vec3(),Lo=c.vec3();class Uo{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=po[t];return i||(i=new uo(e),po[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete po[t],i._destroy()}))),i}(e.model.scene),this._buffer=new vo(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new Et({origin:c.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=c.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=c.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,u=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let B;if(c.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";B=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";B=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=Co;m?c.inverseMat4(c.transposeMat4(m,Mo),e):c.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,u,d=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(u=0;u<i;u+=3)d[0]=t[u],d[1]=t[u+1],d[2]=t[u+2],c.transformVec3(e,d,p),c.normalizeVec3(p,p),l=n=Po(p,"floor","floor"),a=wo(n),A=h=o(p,a),n=Po(p,"ceil","floor"),a=wo(n),A=o(p,a),A>h&&(l=n,h=A),n=Po(p,"floor","ceil"),a=wo(n),A=o(p,a),A>h&&(l=n,h=A),n=Po(p,"ceil","ceil"),a=wo(n),A=o(p,a),A>h&&(l=n,h=A),s[r+u+0]=l[0],s[r+u+1]=l[1],s[r+u+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(d){const e=d[0],t=d[1],i=d[2],s=g;for(let r=0;r<B;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const x=null!=p?p:0,P=null!=f?f:255;for(let e=0;e<B;e++)b.metallicRoughness.push(x),b.metallicRoughness.push(P);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(u)for(let e=0,t=u.length;e<t;e++)b.edgeIndices.push(y+u[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*B;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<B;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const w=this._portions.length,C={vertsBaseIndex:y,numVerts:B,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),w}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Bo(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=c.mat4());if(e.positionsBuf=new at(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new at(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new at(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new at(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=ai.getUVBounds(i.uv),r=ai.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=c.mat3(r.decodeMatrix),e.uvBuf=new at(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new at(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new at(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new at(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new at(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new at(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new at(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&$),A=!!(t&re),h=!!(t&oe),c=!!(t&ne),u=!!(t&ae),d=!!(t&te),p=!!(t&ee);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?Fr.NOT_RENDERED:i?Fr.COLOR_TRANSPARENT:Fr.COLOR_OPAQUE,g=!l||p?Fr.NOT_RENDERED:c?Fr.SILHOUETTE_SELECTED:h?Fr.SILHOUETTE_HIGHLIGHTED:A?Fr.SILHOUETTE_XRAYED:Fr.NOT_RENDERED;let m=0;m=!l||p?Fr.NOT_RENDERED:c?Fr.EDGES_SELECTED:h?Fr.EDGES_HIGHLIGHTED:A?Fr.EDGES_XRAYED:u?i?Fr.EDGES_COLOR_TRANSPARENT:Fr.EDGES_COLOR_OPAQUE:Fr.NOT_RENDERED;let _=l&&!p&&d?Fr.PICK:Fr.NOT_RENDERED;const v=t&ie?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=this.model.matrix,n=c.vec4();n.set(i.origin,0),n[3]=1,c.mulMat4v4(o,n,n);const a=n[0],l=n[1],A=n[2],h=Eo,u=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)h[0]=r[e],h[1]=r[e+1],h[2]=r[e+2],h[3]=1,c.decompressPosition(h,u),h[3]=1,c.mulMat4v4(o,h,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Fr.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Fr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Fr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Fr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Fr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Fr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Fr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Fr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,u=Fo,d=Io;u.set(A?c.subVec3(t,A,Do):t),d.set(i),h&&c.subVec3(u,h),c.transformRay(this.model.worldNormalMatrix,u,d,u,d);const p=So,f=To,g=Ro;let m=!1,_=0;const v=Lo;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],c.decompressPosition(p,o.positionsDecodeMatrix),c.decompressPosition(f,o.positionsDecodeMatrix),c.decompressPosition(g,o.positionsDecodeMatrix),c.rayTriangleIntersect(u,d,p,f,g,v)){c.transformPoint3(this.model.worldMatrix,v,v),h&&c.addVec3(v,h),A&&c.addVec3(v,A);const e=Math.abs(c.lenVec3(c.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&c.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class Oo extends Ur{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?i.edgeIndicesBuf&&t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class ko extends Oo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class No extends Oo{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Qo extends Oo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class Vo extends Oo{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class Ho extends Vo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class jo extends Vo{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Go extends Oo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class zo extends Oo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Ko extends Oo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class Wo extends Oo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Xo extends Oo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class Jo extends Oo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Yo extends Oo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Zo={3e3:"linearToLinear",3001:"sRGBToLinear"};class qo extends Oo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+Zo[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+Zo[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class $o extends Oo{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),s.push("}"),s}}class en extends Oo{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const tn=c.vec3(),sn=c.vec3(),rn=c.vec3(),on=c.vec3(),nn=c.mat4();class an extends Ur{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=tn;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=sn;if(l){const e=c.transformPoint3(h,l,rn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,nn),g=on,g[0]=n.eye[0]-t[0],g[1]=n.eye[1]-t[1],g[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,g),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ln=c.vec3(),An=c.vec3(),hn=c.vec3(),cn=c.vec3(),un=c.mat4();class dn extends Ur{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ln;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=An;if(l){const e=c.transformPoint3(h,l,hn);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,un),g=cn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class pn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Qo(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Go(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new zo(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new an(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new dn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ko(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new ko(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new No(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new No(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new en(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new en(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new en(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new en(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new qo(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new qo(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Qo(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Xo(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Jo(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Ho(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new jo(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Go(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Ko(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new $o(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new zo(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Wo(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Yo(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new dn(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new an(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const fn={};const gn=new Uint8Array(4),mn=new Float32Array(1),_n=c.vec4([0,0,0,1]),vn=new Float32Array(3),bn=c.vec3(),yn=c.vec3(),Bn=c.vec3(),xn=c.vec3(),Pn=c.vec3(),wn=c.vec3(),Cn=c.vec3(),Mn=new Float32Array(4);class En{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=fn[t];return i||(i=new pn(e),fn[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete fn[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new Et({numInstances:0,obb:c.OBB3(),origin:c.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=c.transposeMat4(n,c.mat4()),t=c.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const u=this._portions.length,d={};return this.model.scene.readableGeometryEnabled&&(d.matrix=n.slice(),d.inverseMatrix=null,d.normalMatrix=null),this._portions.push(d),this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new at(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new at(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new at(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new at(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new at(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=c.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new at(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new at(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new at(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new at(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new at(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new at(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new at(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new at(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new at(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new at(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new at(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";gn[0]=t[0],gn[1]=t[1],gn[2]=t[2],gn[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(gn,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&$),r=!!(t&re),o=!!(t&oe),n=!!(t&ne),a=!!(t&ae),l=!!(t&te),A=!!(t&ee);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Fr.NOT_RENDERED:i?Fr.COLOR_TRANSPARENT:Fr.COLOR_OPAQUE,c=!s||A?Fr.NOT_RENDERED:n?Fr.SILHOUETTE_SELECTED:o?Fr.SILHOUETTE_HIGHLIGHTED:r?Fr.SILHOUETTE_XRAYED:Fr.NOT_RENDERED;let u=0;u=!s||A?Fr.NOT_RENDERED:n?Fr.EDGES_SELECTED:o?Fr.EDGES_HIGHLIGHTED:r?Fr.EDGES_XRAYED:a?i?Fr.EDGES_COLOR_TRANSPARENT:Fr.EDGES_COLOR_OPAQUE:Fr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Fr.PICK:Fr.NOT_RENDERED)<<12,d|=(t&ie?1:0)<<16,mn[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(mn,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(vn[0]=t[0],vn[1]=t[1],vn[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(vn,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=this.model.matrix,a=c.vec4();a.set(i.origin,0),a[3]=1,c.mulMat4v4(n,a,a);const l=a[0],A=a[1],h=a[2],u=_n,d=r.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)u[0]=o[e],u[1]=o[e+1],u[2]=o[e+2],c.decompressPosition(u,p),c.transformPoint3(d,u,u),u[3]=1,c.mulMat4v4(n,u,u),u[0]+=l,u[1]+=A,u[2]+=h,t(u)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Mn[0]=t[0],Mn[1]=t[4],Mn[2]=t[8],Mn[3]=t[12],this._state.modelMatrixCol0Buf.setData(Mn,i),Mn[0]=t[1],Mn[1]=t[5],Mn[2]=t[9],Mn[3]=t[13],this._state.modelMatrixCol1Buf.setData(Mn,i),Mn[0]=t[2],Mn[1]=t[6],Mn[2]=t[10],Mn[3]=t[14],this._state.modelMatrixCol2Buf.setData(Mn,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Fr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Fr.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Fr.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Fr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,Fr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Fr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Fr.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=c.inverseMat4(a.matrix,c.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=c.transposeMat4(a.inverseMatrix,c.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,u=a.offset,d=bn,p=yn;d.set(h?c.subVec3(t,h,Bn):t),p.set(i),u&&c.subVec3(d,u),c.transformRay(this.model.worldNormalMatrix,d,p,d,p),c.transformRay(a.inverseMatrix,d,p,d,p);const f=xn,g=Pn,m=wn;let _=!1,v=0;const b=Cn;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:B}=n.geometry;if(c.decompressPosition(f,B),c.decompressPosition(g,B),c.decompressPosition(m,B),c.rayTriangleIntersect(d,p,f,g,m,b)){c.transformPoint3(a.matrix,b,b),c.transformPoint3(this.model.worldMatrix,b,b),u&&c.addVec3(b,u),h&&c.addVec3(b,h);const e=Math.abs(c.lenVec3(c.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&c.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(c.transformVec3(a.normalMatrix,r,r),c.transformVec3(this.model.worldNormalMatrix,r,r),c.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class Fn extends Ur{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class In extends Fn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Dn extends Fn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Sn=c.vec3(),Tn=c.vec3(),Rn=c.vec3(),Ln=c.vec3(),Un=c.mat4();class On extends Ur{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Sn;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Tn;if(l){const e=Rn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Un),g=Ln,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const kn=c.vec3(),Nn=c.vec3(),Qn=c.vec3(),Vn=c.vec3(),Hn=c.mat4();class jn extends Ur{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=kn;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Nn;if(l){const e=Qn;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Hn),g=Vn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Gn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new In(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Dn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new On(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new jn(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const zn={};class Kn{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class Wn{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=zn[t];return i||(i=new Gn(e),zn[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete zn[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new Kn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new Et({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(c.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new at(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=Bo(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new at(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new at(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new at(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new at(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new at(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&$),l=!!(t&re),A=!!(t&oe),h=!!(t&ne),c=!!(t&te),u=!!(t&ee);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Fr.NOT_RENDERED:i?Fr.COLOR_TRANSPARENT:Fr.COLOR_OPAQUE,p=!a||u?Fr.NOT_RENDERED:h?Fr.SILHOUETTE_SELECTED:A?Fr.SILHOUETTE_HIGHLIGHTED:l?Fr.SILHOUETTE_XRAYED:Fr.NOT_RENDERED;let f=a&&!u&&c?Fr.PICK:Fr.NOT_RENDERED;const g=t&ie?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Fr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Fr.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class Xn extends Ur{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class Jn extends Xn{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Yn extends Xn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Zn=c.vec3(),qn=c.vec3(),$n=c.vec3();c.vec3();const ea=c.mat4();class ta extends Ur{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Zn;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=qn;if(l){const e=c.transformPoint3(h,l,$n);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,ea),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ia=c.vec3(),sa=c.vec3(),ra=c.vec3();c.vec3();const oa=c.mat4();class na extends Ur{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ia;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=sa;if(l){const e=c.transformPoint3(h,l,ra);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,oa),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class aa{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new ta(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new na(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Jn(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Yn(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new ta(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new na(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const la={};const Aa=new Uint8Array(4),ha=new Float32Array(1),ca=new Float32Array(3),ua=new Float32Array(4);class da{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=la[t];return i||(i=new aa(e),la[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete la[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new Et({obb:c.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=c.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new at(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new at(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new at(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new at(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new at(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=c.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new at(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new at(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new at(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new at(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Aa[0]=t[0],Aa[1]=t[1],Aa[2]=t[2],Aa[3]=t[3],this._state.colorsBuf.setData(Aa,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&$),r=!!(t&re),o=!!(t&oe),n=!!(t&ne),a=!!(t&ae),l=!!(t&te),A=!!(t&ee);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Fr.NOT_RENDERED:i?Fr.COLOR_TRANSPARENT:Fr.COLOR_OPAQUE,c=!s||A?Fr.NOT_RENDERED:n?Fr.SILHOUETTE_SELECTED:o?Fr.SILHOUETTE_HIGHLIGHTED:r?Fr.SILHOUETTE_XRAYED:Fr.NOT_RENDERED;let u=0;u=!s||A?Fr.NOT_RENDERED:n?Fr.EDGES_SELECTED:o?Fr.EDGES_HIGHLIGHTED:r?Fr.EDGES_XRAYED:a?i?Fr.EDGES_COLOR_TRANSPARENT:Fr.EDGES_COLOR_OPAQUE:Fr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Fr.PICK:Fr.NOT_RENDERED)<<12,d|=(t&ie?1:0)<<16,ha[0]=d,this._state.flagsBuf.setData(ha,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(ca[0]=t[0],ca[1]=t[1],ca[2]=t[2],this._state.offsetsBuf.setData(ca,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;ua[0]=t[0],ua[1]=t[4],ua[2]=t[8],ua[3]=t[12],this._state.modelMatrixCol0Buf.setData(ua,i),ua[0]=t[1],ua[1]=t[5],ua[2]=t[9],ua[3]=t[13],this._state.modelMatrixCol1Buf.setData(ua,i),ua[0]=t[2],ua[1]=t[6],ua[2]=t[10],ua[3]=t[14],this._state.modelMatrixCol2Buf.setData(ua,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Fr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Fr.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class pa extends Ur{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class fa extends pa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ga extends pa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class ma extends pa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class _a extends pa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class va extends pa{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const ba=c.vec3(),ya=c.vec3(),Ba=c.vec3(),xa=c.vec3(),Pa=c.mat4();class wa extends Ur{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ba;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ya;if(l){const e=Ba;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Pa),g=xa,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform1f(this._uPointSize,1);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ca=c.vec3(),Ma=c.vec3(),Ea=c.vec3(),Fa=c.vec3(),Ia=c.mat4();class Da extends Ur{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ca;let f,g;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ma;if(l){const e=Ea;c.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Ia),g=Fa,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Sa{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new fa(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ga(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ma(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new _a(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new va(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new wa(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Da(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Ta={};class Ra{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Ta[t];return i||(i=new Sa(e),Ta[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Ta[t],i._destroy()}))),i}(e.model.scene);const t=e.maxGeometryBatchSize||5e6,i=function(){const e=[];return{append:function(t,i=1,s=1){e.push({data:t,times:i,denormalizeScale:s})},compileBuffer:function(t){let i=0;e.forEach((e=>{i+=e.times*e.data.length}));const s=new t(i);let r=0;return e.forEach((e=>{const t=e.data,i=e.denormalizeScale,o=s.subarray(r);if(1===i)o.set(t,0);else for(let e=0;e<t.length;++e)o[e]=t[e]*i;let n=t.length;const a=e.times*t.length;for(;n<a;){const e=Math.min(n,a-n);o.set(o.subarray(0,e),n),n+=e}r+=n})),s}}};this._buffer={maxVerts:t,positions:i(),colors:i(),pickColors:i(),vertsIndex:0},this._scratchMemory=e.scratchMemory,this._state=new Et({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:c.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=c.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=c.vec3(e.origin))}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=this._buffer,s=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!s)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(s);const r=s.length/3,o=t.color,n=t.colorsCompressed,a=t.colors,l=t.pickColor;n?i.colors.append(n):a?i.colors.append(a,1,255):o&&i.colors.append([o[0],o[1],o[2],1],r),i.pickColors.append(l.slice(0,4),r),c.expandAABB3(this._modelAABB,t.aabb);const A=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(r),this._buffer.vertsIndex+=r,this._numPortions++,this.model.numPortions++,this._meshes.push(e),A}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,s=(e,i,s)=>e.length>0?new at(t,t.ARRAY_BUFFER,e,e.length,i,s):null,r=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):Bo(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=s(r,3,t.STATIC_DRAW),e.flagsBuf=s(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=s(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=s(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?s(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&$),l=!!(t&re),A=!!(t&oe),h=!!(t&ne),c=!!(t&te),u=!!(t&ee);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?Fr.NOT_RENDERED:i?Fr.COLOR_TRANSPARENT:Fr.COLOR_OPAQUE,p=!a||u?Fr.NOT_RENDERED:h?Fr.SILHOUETTE_SELECTED:A?Fr.SILHOUETTE_HIGHLIGHTED:l?Fr.SILHOUETTE_XRAYED:Fr.NOT_RENDERED;let f=a&&!u&&c?Fr.PICK:Fr.NOT_RENDERED;const g=t&ie?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Fr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Fr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Fr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Fr.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class La extends Ur{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class Ua extends La{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Oa extends La{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ka extends La{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Na extends La{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Qa extends La{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Va extends La{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Ha extends La{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const ja=c.vec3(),Ga=c.vec3(),za=c.vec3();c.vec3();const Ka=c.mat4();class Wa extends Ur{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ja;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ga;if(l){const e=c.transformPoint3(h,l,za);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Ka),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Xa=c.vec3(),Ja=c.vec3(),Ya=c.vec3();c.vec3();const Za=c.mat4();class qa extends Ur{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=t.aabb,d=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Xa;let f;if(p[0]=c.safeInv(u[3]-u[0])*c.MAX_INT,p[1]=c.safeInv(u[4]-u[1])*c.MAX_INT,p[2]=c.safeInv(u[5]-u[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(p[0]),e.snapPickCoordinateScale[1]=c.safeInv(p[1]),e.snapPickCoordinateScale[2]=c.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ja;if(l){const e=c.transformPoint3(h,l,Ya);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=J(d,t,Za),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=d,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class $a{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Ua(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Oa(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Va(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ka(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Na(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Qa(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Ha(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Wa(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new qa(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const el={};const tl=new Uint8Array(4),il=new Float32Array(1),sl=new Float32Array(3),rl=new Float32Array(4);class ol{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=el[t];return i||(i=new $a(e),el[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete el[t],i._destroy()}))),i}(e.model.scene),this._aabb=c.collapseAABB3(),this._state=new Et({obb:c.OBB3(),numInstances:0,origin:e.origin?c.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new at(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new at(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new at(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=c.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new at(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new at(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new at(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new at(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new at(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";tl[0]=t[0],tl[1]=t[1],tl[2]=t[2],this._state.colorsBuf.setData(tl,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&$),r=!!(t&re),o=!!(t&oe),n=!!(t&ne),a=!!(t&ae),l=!!(t&te),A=!!(t&ee);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?Fr.NOT_RENDERED:i?Fr.COLOR_TRANSPARENT:Fr.COLOR_OPAQUE,c=!s||A?Fr.NOT_RENDERED:n?Fr.SILHOUETTE_SELECTED:o?Fr.SILHOUETTE_HIGHLIGHTED:r?Fr.SILHOUETTE_XRAYED:Fr.NOT_RENDERED;let u=0;u=!s||A?Fr.NOT_RENDERED:n?Fr.EDGES_SELECTED:o?Fr.EDGES_HIGHLIGHTED:r?Fr.EDGES_XRAYED:a?i?Fr.EDGES_COLOR_TRANSPARENT:Fr.EDGES_COLOR_OPAQUE:Fr.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?Fr.PICK:Fr.NOT_RENDERED)<<12,d|=(t&ie?255:0)<<16,il[0]=d,this._state.flagsBuf.setData(il,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(sl[0]=t[0],sl[1]=t[1],sl[2]=t[2],this._state.offsetsBuf.setData(sl,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;rl[0]=t[0],rl[1]=t[4],rl[2]=t[8],rl[3]=t[12],this._state.modelMatrixCol0Buf.setData(rl,i),rl[0]=t[1],rl[1]=t[5],rl[2]=t[9],rl[3]=t[13],this._state.modelMatrixCol1Buf.setData(rl,i),rl[0]=t[2],rl[1]=t[6],rl[2]=t[10],rl[3]=t[14],this._state.modelMatrixCol2Buf.setData(rl,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Fr.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Fr.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Fr.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Fr.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const nl=c.vec3(),al=c.vec3(),ll=c.mat4();class Al{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o,d=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=nl;if(f){const t=c.transformPoint3(u,A,al);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,ll)}else p=d;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,nl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class hl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Al(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const cl={};class ul{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class dl{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class pl{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const fl={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(fl,null,4));let e=0;Object.keys(fl).forEach((t=>{t.startsWith("size")&&(e+=fl[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/fl.totalLines).toFixed(2)}`);let t={};Object.keys(fl).forEach((i=>{i.startsWith("size")&&(t[i]=`${(fl[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class gl{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);fl.sizeDataColorsAndFlags+=l.byteLength,fl.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);fl.sizeDataTextureOffsets+=r.byteLength,fl.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);fl.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);fl.sizeDataPositionDecodeMatrices+=o.byteLength,fl.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);fl.sizeDataTextureIndices+=o.byteLength,fl.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);fl.sizeDataTextureIndices+=o.byteLength,fl.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);fl.sizeDataTextureIndices+=o.byteLength,fl.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);fl.sizeDataTexturePositions+=n.byteLength,fl.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),fl.sizeDataTexturePortionIds+=o.byteLength,fl.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}}const ml=new mo,_l=ml.maxDataTextureHeight,vl=new Float32Array(16),bl=new Uint8Array(4),yl=new Float32Array(3);let Bl=0;const xl=c.identityMat4();class Pl{constructor(e,t){fl.numberOfLayers++,this._layerNumber=Bl++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=cl[t];return i||(i=new hl(e),cl[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete cl[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new ul,this._dataTextureState=new dl,this._dataTextureGenerator=new gl,this._state=new Et({origin:c.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&fl.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*_l||t+r>4096*_l)&&fl.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*_l&&t+r<=4096*_l}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;fl.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,fl.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||xl),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,fl.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,fl.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,fl.totalLines32Bits+=t.numLines),fl.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,fl.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;bl[0]=t[0],bl[1]=t[1],bl[2]=t[2],bl[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(bl,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,bl))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&$),o=!!(t&re),n=!!(t&ee);let a,l;a=!r||n||o?Fr.NOT_RENDERED:i?Fr.COLOR_TRANSPARENT:Fr.COLOR_OPAQUE,l=!r||n?Fr.NOT_RENDERED:!!(t&ne)?Fr.SILHOUETTE_SELECTED:!!(t&oe)?Fr.SILHOUETTE_HIGHLIGHTED:o?Fr.SILHOUETTE_XRAYED:Fr.NOT_RENDERED;let A=r&&!n&&!!(t&te)?Fr.PICK:Fr.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;bl[0]=a,bl[1]=l,bl[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(bl,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,bl))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&ie?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;bl[0]=s,bl[1]=0,bl[2]=1,bl[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(bl,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,bl))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;yl[0]=t[0],yl[1]=t[1],yl[2]=t[2],i.texturePerObjectOffsets._textureData.set(yl,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,yl))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;vl.set(t),i.texturePerObjectInstanceMatrices._textureData.set(vl,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,vl))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const wl=c.vec3(),Cl=c.vec3(),Ml=c.vec3();c.vec3();const El=c.vec4(),Fl=c.mat4();class Il{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=wl;if(f){const t=c.transformPoint3(u,A,Cl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],d=J(r.viewMatrix,e,Fl),p=Ml,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else d=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;s.crossSections&&(n.uniform4fv(this._uSliceColor,s.crossSections.sliceColor),n.uniform1f(this._uSliceThickness,s.crossSections.sliceThickness));for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,wl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new nt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;El[0]=t,El[1]=r,El[2]=s.blendCutoff,El[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,El),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Dl=new Float32Array([1,1,1]),Sl=c.vec3(),Tl=c.vec3(),Rl=c.vec3();c.vec3();const Ll=c.mat4();class Ul{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o,d=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Sl;if(A){const t=Tl;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,Ll),f=Rl,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=d,f=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===Fr.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Fr.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Fr.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,Dl);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,r=o.renderFlags;for(let t=0;t<g;t++){const s=this._uSectionPlanes[t];if(s)if(t<m){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Sl,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = color;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Ol=new Float32Array([0,0,0,1]),kl=c.vec3(),Nl=c.vec3();c.vec3();const Ql=c.mat4();class Vl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=kl;if(f){const t=c.transformPoint3(u,A,Nl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,Ql)}else p=d;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===Fr.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Fr.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===Fr.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,Ol);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,kl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Hl=c.vec3(),jl=c.vec3(),Gl=c.mat4();class zl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Hl;if(f){const t=c.transformPoint3(u,A,jl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,Gl)}else p=d;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Hl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Kl=c.vec3(),Wl=c.vec3(),Xl=c.vec3(),Jl=c.mat4();class Yl{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=Kl;if(v){const t=c.transformPoint3(u,A,Wl);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=J(d,e,Jl),_=Xl,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=d,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),B=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*B,o=s.renderFlags;for(let t=0;t<y;t++){const r=this._uSectionPlanes[t];if(r)if(t<B){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Kl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Zl=c.vec3(),ql=c.vec3(),$l=c.vec3();c.vec3();const eA=c.mat4();class tA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Zl;if(A){const e=ql;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=J(d,t,eA),_=$l,_[0]=f[0]-t[0],_[1]=f[1]-t[1],_[2]=f[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=d,_=f,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const v=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(v>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*b,o=s.renderFlags;for(let t=0;t<v;t++){const r=this._uSectionPlanes[t];if(r)if(t<b){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,Zl,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const iA=c.vec3(),sA=c.vec3(),rA=c.vec3(),oA=c.vec3();c.vec3();const nA=c.mat4();class aA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=iA;let g,m;f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=sA;if(_){const e=c.transformPoint3(u,A,rA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=J(p,t,nA),m=oA,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,iA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}const B="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(B,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(B,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(B,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const lA=c.vec3(),AA=c.vec3(),hA=c.vec3(),cA=c.vec3();c.vec3();const uA=c.mat4();class dA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=lA;let g,m;f[0]=c.safeInv(d[3]-d[0])*c.MAX_INT,f[1]=c.safeInv(d[4]-d[1])*c.MAX_INT,f[2]=c.safeInv(d[5]-d[2])*c.MAX_INT,e.snapPickCoordinateScale[0]=c.safeInv(f[0]),e.snapPickCoordinateScale[1]=c.safeInv(f[1]),e.snapPickCoordinateScale[2]=c.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=AA;if(_){const e=hA;c.transformPoint3(u,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=J(p,t,uA),m=cA,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,lA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const pA=c.vec3(),fA=c.vec3(),gA=c.vec3();c.vec3();const mA=c.mat4();class _A{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=s,d=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=pA;if(A){const t=fA;c.transformPoint3(u,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=J(d,e,mA),f=gA,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=d,f=o.eye;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const g=r._sectionPlanesState.getNumAllocatedSectionPlanes(),m=r._sectionPlanesState.sectionPlanes.length;if(g>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,o=s.renderFlags;for(let t=0;t<g;t++){const r=this._uSectionPlanes[t];if(r)if(t<m){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,pA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const vA=c.vec3(),bA=c.vec3(),yA=c.vec3();c.vec3();const BA=c.mat4();class xA{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=vA;if(f){const t=c.transformPoint3(u,A,bA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],d=J(r.viewMatrix,e,BA),p=yA,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else d=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,vA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const PA=c.vec3(),wA=c.vec3(),CA=c.vec3();c.vec3();const MA=c.mat4();class EA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let d,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const f=0!==l[0]||0!==l[1]||0!==l[2],g=0!==A[0]||0!==A[1]||0!==A[2];if(f||g){const e=PA;if(f){const t=wA;c.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],d=J(u,e,MA),p=CA,p[0]=o.eye[0]-e[0],p[1]=o.eye[1]-e[1],p[2]=o.eye[2]-e[2]}else d=u,p=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,h),n.uniformMatrix4fv(this._uViewMatrix,!1,d),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(l){const e=q(i.dist,i.dir,l,PA,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&Ze.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),Ze.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(Ze.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&Ze.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&Ze.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&Ze.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const FA=c.vec3(),IA=c.vec3(),DA=c.vec3();c.vec3(),c.vec4();const SA=c.mat4();class TA{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:u}=o;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));const d=e.pickViewMatrix||r.viewMatrix,p=e.pickProjMatrix||r.projMatrix,f=e.pickOrigin||r.eye,g=e.pickProjMatrix?e.pickZFar:r.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=FA;if(v){const t=c.transformPoint3(u,A,IA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=J(d,e,SA),_=DA,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=d,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,u),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=s._sectionPlanesState.getNumAllocatedSectionPlanes(),B=s._sectionPlanesState.sectionPlanes.length;if(y>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*B,r=o.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<B){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=q(i.dist,i.dir,A,FA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new nt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${c.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class RA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new Ul(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Yl(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new tA(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new TA(this._scene)),this._snapRenderer||(this._snapRenderer=new aA(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new dA(this._scene)),this._snapRenderer||(this._snapRenderer=new aA(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Il(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Il(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Ul(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new xA(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new EA(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new Vl(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new zl(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Yl(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new TA(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new TA(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new tA(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new aA(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new dA(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new _A(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const LA={};class UA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class OA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const kA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(kA,null,4));let e=0;Object.keys(kA).forEach((t=>{t.startsWith("size")&&(e+=kA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/kA.totalPolygons).toFixed(2)}`);let t={};Object.keys(kA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(kA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class NA{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);kA.sizeDataColorsAndFlags+=h.byteLength,kA.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);kA.sizeDataTextureOffsets+=r.byteLength,kA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);kA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);kA.sizeDataPositionDecodeMatrices+=o.byteLength,kA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);kA.sizeDataTextureIndices+=o.byteLength,kA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);kA.sizeDataTextureIndices+=o.byteLength,kA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);kA.sizeDataTextureIndices+=o.byteLength,kA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);kA.sizeDataTextureEdgeIndices+=o.byteLength,kA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);kA.sizeDataTextureEdgeIndices+=o.byteLength,kA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);kA.sizeDataTextureEdgeIndices+=o.byteLength,kA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);kA.sizeDataTexturePositions+=n.byteLength,kA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),kA.sizeDataTexturePortionIds+=o.byteLength,kA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new pl(e,n,s,r)}}const QA=new mo,VA=QA.maxDataTextureHeight,HA=c.vec4(),jA=new Float32Array(16),GA=new Uint8Array(4),zA=new Float32Array(3);let KA=0;const WA=c.identityMat4();class XA{constructor(e,t){kA.numberOfLayers++,this._layerNumber=KA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=LA[t];return i||(i=new RA(e),LA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete LA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new UA,this._dtxState=new OA,this._dtxTextureFactory=new NA,this._state=new Et({origin:c.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=c.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)c.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&kA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*VA||t+r>4096*VA)&&kA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*VA&&t+r<=4096*VA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;kA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;kA.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,kA.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||WA),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,kA.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,kA.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,kA.totalPolygons32Bits+=t.numTriangles),kA.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,kA.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,kA.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,kA.totalEdges32Bits+=t.numEdges),kA.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,kA.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&$&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&oe&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&re&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ne&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ie&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ae&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&te&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&ee&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&$?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ae?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ie?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&ee?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&te?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;GA[0]=t[0],GA[1]=t[1],GA[2]=t[2],GA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(GA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,GA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&$),o=!!(t&re),n=!!(t&oe),a=!!(t&ne),l=!!(t&ae),A=!!(t&te),h=!!(t&ee);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?Fr.NOT_RENDERED:i?Fr.COLOR_TRANSPARENT:Fr.COLOR_OPAQUE,u=!r||h?Fr.NOT_RENDERED:a?Fr.SILHOUETTE_SELECTED:n?Fr.SILHOUETTE_HIGHLIGHTED:o?Fr.SILHOUETTE_XRAYED:Fr.NOT_RENDERED;let d=0;d=!r||h?Fr.NOT_RENDERED:a?Fr.EDGES_SELECTED:n?Fr.EDGES_HIGHLIGHTED:o?Fr.EDGES_XRAYED:l?i?Fr.EDGES_COLOR_TRANSPARENT:Fr.EDGES_COLOR_OPAQUE:Fr.NOT_RENDERED;let p=r&&!h&&A?Fr.PICK:Fr.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;GA[0]=c,GA[1]=u,GA[2]=d,GA[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(GA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,GA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&ie?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;GA[0]=s,GA[1]=0,GA[2]=1,GA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(GA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,GA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;zA[0]=t[0],zA[1]=t[1],zA[2]=t[2],i.texturePerObjectOffsets._textureData.set(zA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,zA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;jA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(jA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,jA))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],u=l[2],d=HA;for(let e=0,i=n.length;e<i;e+=3)d[0]=n[e],d[1]=n[e+1],d[2]=n[e+2],d[3]=1,c.decompressPosition(d,a),c.mulMat4v4(this.model.worldMatrix,d,d),d[0]+=A,d[1]+=h,d[2]+=u,t(d)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,Fr.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,Fr.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,Fr.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Fr.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,Fr.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,Fr.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,Fr.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,Fr.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,Fr.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,Fr.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,Fr.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,Fr.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class JA{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class YA{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const ZA={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class qA{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const $A=new qA;class eh{constructor(e){this.manager=void 0!==e?e:$A,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const th={};class ih extends eh{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=ZA.get(e);if(void 0!==r)return this.manager.itemStart(e),M.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==th[e])return void th[e].push({onLoad:t,onProgress:i,onError:s});th[e]=[],th[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=th[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{ZA.add(e,t);const i=th[e];delete th[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=th[e];if(void 0===i)throw this.manager.itemError(e),t;delete th[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class sh{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let rh=0;class oh{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new sh,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new ih;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new ih;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=oh.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(oh.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(oh.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(oh.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),rh>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),rh++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),rh--}}oh.BasisFormat={ETC1S:0,UASTC_4x4:1},oh.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},oh.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},oh.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const nh={};function ah(e){const t=e.scene.id;let i=nh[t];return i||(i=new oh({viewer:e}),nh[t]=i,e.scene.on("destroyed",(()=>{delete nh[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -10,11 +10,11 @@
  * The time is O(N logN) with the number of positionsCompressed due to a pre-sorting
  * step, but is much more GC-friendly and actually faster than the classic O(N)
  * approach based in keeping a hash-based LUT to identify unique positionsCompressed.
- */let ah=null;function lh(e,t){let i;for(let s=0;s<3;s++)if(0!=(i=ah[3*e+s]-ah[3*t+s]))return i;return 0}let Ah=null;function hh(e){const t=e.positionsCompressed,i=e.indices,s=e.edgeIndices;!function(e){if(!(null!==Ah&&Ah.length>=e)){Ah=new Uint32Array(e);for(let t=0;t<e;t++)Ah[t]=t}}(t.length/3);const r=Ah.slice(0,t.length/3),o=Ah.slice(0,t.length/3);ah=t,r.sort(lh);let n=0;o[r[0]]=0;for(let e=1,t=r.length;e<t;e++)0!==lh(r[e],r[e-1])&&n++,o[r[e]]=n;const a=new Uint16Array(3*(n+1));n=0,a[3*n+0]=t[3*r[0]+0],a[3*n+1]=t[3*r[0]+1],a[3*n+2]=t[3*r[0]+2];for(let e=1,i=r.length;e<i;e++)0!==lh(r[e],r[e-1])&&(n++,a[3*n+0]=t[3*r[e]+0],a[3*n+1]=t[3*r[e]+1],a[3*n+2]=t[3*r[e]+2]),o[r[e]]=n;ah=null;const l=new Uint32Array(i.length);for(let e=0,t=i.length;e<t;e++)l[e]=o[i[e]];const A=new Uint32Array(s.length);for(let e=0,t=s.length;e<t;e++)A[e]=o[s[e]];return[a,l,A]}
+ */let lh=null;function Ah(e,t){let i;for(let s=0;s<3;s++)if(0!=(i=lh[3*e+s]-lh[3*t+s]))return i;return 0}let hh=null;function ch(e){const t=e.positionsCompressed,i=e.indices,s=e.edgeIndices;!function(e){if(!(null!==hh&&hh.length>=e)){hh=new Uint32Array(e);for(let t=0;t<e;t++)hh[t]=t}}(t.length/3);const r=hh.slice(0,t.length/3),o=hh.slice(0,t.length/3);lh=t,r.sort(Ah);let n=0;o[r[0]]=0;for(let e=1,t=r.length;e<t;e++)0!==Ah(r[e],r[e-1])&&n++,o[r[e]]=n;const a=new Uint16Array(3*(n+1));n=0,a[3*n+0]=t[3*r[0]+0],a[3*n+1]=t[3*r[0]+1],a[3*n+2]=t[3*r[0]+2];for(let e=1,i=r.length;e<i;e++)0!==Ah(r[e],r[e-1])&&(n++,a[3*n+0]=t[3*r[e]+0],a[3*n+1]=t[3*r[e]+1],a[3*n+2]=t[3*r[e]+2]),o[r[e]]=n;lh=null;const l=new Uint32Array(i.length);for(let e=0,t=i.length;e<t;e++)l[e]=o[i[e]];const A=new Uint32Array(s.length);for(let e=0,t=s.length;e<t;e++)A[e]=o[s[e]];return[a,l,A]}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let ch=null;function uh(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=ch[i],o=ch[i+1],n=ch[i+2]),c=Math.min(a=ch[s],l=ch[s+1],A=ch[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let dh=null;function ph(e,t){let i=dh[2*e]-dh[2*t];return 0!==i?i:dh[2*e+1]-dh[2*t+1]}function fh(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;ch=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)ch[i]=e[i]>>t;i.sort(uh);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}dh=new Int32Array(e),t.sort(ph);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const gh=c.vec4(4),mh=c.vec4(),_h=c.vec4(),vh=c.vec3([1,0,0]),bh=c.vec3([0,1,0]),yh=c.vec3([0,0,1]);c.vec3(3),c.vec3(3);const Bh=c.identityMat4();class xh{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=c.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=c.identityMat4(new Float32Array(16)),this._worldMatrix=c.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||Bh),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return gh[0]=e[0],gh[1]=e[1],gh[2]=e[2],gh[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(gh,mh),c.mulQuaternions(this.quaternion,mh,_h),this.quaternion=_h,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return gh[0]=e[0],gh[1]=e[1],gh[2]=e[2],gh[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(gh,mh),c.mulQuaternions(mh,this.quaternion,mh),this}rotateX(e){return this.rotate(vh,e)}rotateY(e){return this.rotate(bh,e)}rotateZ(e){return this.rotate(yh,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)c.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const Ph=c.vec3(),wh=c.OBB3(),Ch=c.vec4(),Mh=c.vec3([1,1,1]),Eh=c.vec3([0,0,0]);c.vec3([0,0,0]);const Fh=c.identityQuaternion(),Ih=c.identityMat4(),Dh=new Uint8Array([255,255,255]);class Sh extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(Mr++,Cr),this._textureTranscoder=t.textureTranscoder||nh(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=c.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new ls,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=c.vec3(t.origin||[0,0,0]),this._position=c.vec3(t.position||[0,0,0]),this._rotation=c.vec3(t.rotation||[0,0,0]),this._quaternion=c.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=c.vec4(t.quaternion||[0,0,0,1]),t.rotation&&c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=c.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=c.mat4(),this._worldRotationMatrixConjugate=c.mat4(),this._matrix=c.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=c.mat4(),c.inverseMat4(this._matrix,this._worldNormalMatrix),c.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=c.mat4(),this._viewNormalMatrix=c.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new JA({id:"defaultColorTexture",texture:new zs({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new JA({id:"defaultMetalRoughTexture",texture:new zs({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new JA({id:"defaultNormalsTexture",texture:new zs({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new JA({id:"defaultEmissiveTexture",texture:new zs({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new JA({id:"defaultOcclusionTexture",texture:new zs({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new XA({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||Ih),c.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),c.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),c.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),c.scaleMat4v(this._scale,this._worldRotationMatrix),c.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),c.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}get rotationMatrixConjugate(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}_rebuildViewMatrices(){this._rebuildMatrices(),this._viewMatrixDirty&&(c.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}get viewMatrix(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)c.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Bo(e.aabb,c.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Bo(e.positionsDecodeBoundary,c.mat4())),e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=yo(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),c.expandAABB3Points3(t,e.positionsCompressed),ni.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=c.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&ni.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=$t(e.positions,e.indices,null,5):e.edgeIndices=$t(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=ni.getUVBounds(e.uv),i=ni.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new zs({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;if(t.crossOrigin="Anonymous",t.compressed){const e=t.data;l.setCompressedData({mipmaps:e,props:{format:e[0].format,minFilter:i,magFilter:s}})}else l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?_.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new JA({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new XA({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new xh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Mh,i=e.position||Eh;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",Ch),e.meshMatrix=c.composeMat4(i,Ch,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||Fh,t,c.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Bo(e.positionsDecodeBoundary,c.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=c.vec3(),i=[];Z(e.positions,i,t)&&(e.positions=i,e.origin=c.addVec3(e.origin,t,t))}if(e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=yo(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),ni.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=c.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&ni.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,wh),c.transformOBB3(e.meshMatrix,wh),c.OBB3ToAABB3(wh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=$t(e.positions,e.indices,null,2):e.edgeIndices=$t(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=Th(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];Z(e.positions,t,Ph)&&(e.positions=t,e.origin=c.addVec3(e.origin,Ph,c.vec3()))}if(e.positions){const t=c.collapseAABB3();e.meshMatrix&&(c.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),c.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),ni.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,wh),c.transformOBB3(e.meshMatrix,wh),c.OBB3ToAABB3(wh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=$t(e.positions,e.indices,null,2):e.edgeIndices=$t(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Mh,i=e.position||Eh;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",Ch),e.meshMatrix=c.composeMat4(i,Ch,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||Fh,t,c.mat4())}c.AABB3ToOBB3(e.geometry.aabb,wh),c.transformOBB3(e.meshMatrix,wh),e.aabb=c.OBB3ToAABB3(wh,c.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=Th(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Dh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new wr(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=c.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new WA(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new xl(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new Lo({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new Kn({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new Ta({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new Mn({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new Mn({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new ua({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new rl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=c.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=c.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;return this._visible&&!1!==e.visible&&(t|=$),this._pickable&&!1!==e.pickable&&(t|=te),this._culled&&!1!==e.culled&&(t|=ee),this._clippable&&!1!==e.clippable&&(t|=ie),this._collidable&&!1!==e.collidable&&(t|=se),this._edges&&!1!==e.edges&&(t|=ae),this._xrayed&&!1!==e.xrayed&&(t|=re),this._highlighted&&!1!==e.highlighted&&(t|=oe),this._selected&&!1!==e.selected&&(t|=ne),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new he(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++,i}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${c.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Mr&&(Mr--,0===Mr&&Cr._clear()),super.destroy()}}function Th(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=hh({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=fh({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class Rh extends D{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new Sh(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const Lh=c.vec3(),Uh=c.vec3(),Oh=c.vec3(),kh=c.vec3();function Nh(e){return{x:e[0],y:e[1],z:e[2]}}function Qh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function Vh(e){return new Float64Array([e[0],-e[2],e[1]])}function Hh(e){return new Float64Array([e[0],e[2],-e[1]])}const jh=c.vec3(),Gh=c.vec3(),zh=c.vec3();c.vec4(),c.vec4(),c.vec4();class Kh extends D{constructor(e,t={}){const i=e.viewer.scene;super(i,t),this.plugin=e;const s=t.container;if(!s)throw"config missing: container";this._color=t.color||e.defaultColor;const r=function(e,t){const i=[];let s=void 0!==e?Boolean(e):t;return{reg:e=>i.push(e),get:()=>s,set:e=>{s=void 0!==e?Boolean(e):t,i.forEach((e=>e(s)))}}};this._visible=r(t.visible,e.defaultVisible),this._originVisible=r(t.originVisible,e.defaultOriginVisible),this._targetVisible=r(t.targetVisible,e.defaultTargetVisible),this._axisVisible=r(t.axisVisible,e.defaultAxisVisible),this._xAxisVisible=r(t.xAxisVisible,e.defaultAxisVisible),this._yAxisVisible=r(t.yAxisVisible,e.defaultAxisVisible),this._zAxisVisible=r(t.zAxisVisible,e.defaultAxisVisible),this._axisEnabled=r(!0,e.defaultAxisVisible),this._wireVisible=r(t.wireVisible,e.defaultWireVisible),this._xLabelEnabled=r(t.xLabelEnabled,e.defaultXLabelEnabled),this._yLabelEnabled=r(t.yLabelEnabled,e.defaultYLabelEnabled),this._zLabelEnabled=r(t.zLabelEnabled,e.defaultZLabelEnabled),this._lengthLabelEnabled=r(t.lengthLabelEnabled,e.defaultLengthLabelEnabled),this._labelsVisible=r(t.labelsVisible,e.defaultLabelsVisible),this._clickable=r(!1,!1),this._labelsOnWires=r(t.labelsOnWires,e.defaultLabelsOnWires),this._useRotationAdjustment=r(t.useRotationAdjustment,e.useRotationAdjustment),this._axesBasis=c.identityMat4(),this.approximate=t.approximate;const o=i.canvas.canvas,n=t.onMouseOver?e=>{t.onMouseOver(e,this),o.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=t.onMouseLeave?e=>{t.onMouseLeave(e,this),o.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>o.dispatchEvent(new MouseEvent("mousedown",e)),h=e=>o.dispatchEvent(new MouseEvent("mouseup",e)),u=e=>o.dispatchEvent(new MouseEvent("mousemove",e)),d=e=>o.dispatchEvent(new WheelEvent("wheel",e));this._cleanups=[],["units","scale"].forEach((e=>{const t=i.metrics.on("units",(()=>this._update()));this._cleanups.push((()=>i.metrics.off(t)))})),this._drawables=[];const p=(e,t)=>{const i=()=>e.setVisible(t.every((e=>e.get())));t.forEach((e=>e.reg(i))),this._drawables.push(e),this._cleanups.push((()=>e.destroy()))},f=(t,r,o)=>{const c=new Se(i,s,{color:t,thickness:r,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:d,onMouseDown:A,onMouseUp:h,onMouseMove:u,onContextMenu:l});return p(c,o),{setEnds:(e,t)=>c.setEnds(e,t),setColor:e=>c.setColor(e)}};this._lengthWire=f(this._color,2,[this._visible,this._wireVisible]),this._xAxisWire=f("red",1,[this._visible,this._axisEnabled,this._axisVisible,this._xAxisVisible]),this._yAxisWire=f("green",1,[this._visible,this._axisEnabled,this._axisVisible,this._yAxisVisible]),this._zAxisWire=f("blue",1,[this._visible,this._axisEnabled,this._axisVisible,this._zAxisVisible]);const g=(t,r,o)=>{const c=new De(i,s,{fillColor:t,zIndex:void 0!==e.zIndex?e.zIndex+r:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:d,onMouseDown:A,onMouseUp:h,onMouseMove:u,onContextMenu:l});return p(c,o),{setFillColor:e=>c.setFillColor(e),setPosOnWire:(e,t,i,s)=>c.setPosOnWire(e,t,i,s),setPosBetween:(e,t,i)=>c.setPosBetween(e,t,i),setText:e=>c.setText(e.replace(/ /g,"&nbsp;"))}};this._lengthLabel=g(this._color,4,[this._visible,this._wireVisible,this._labelsVisible,this._clickable,this._axisEnabled,this._lengthLabelEnabled]),this._xAxisLabel=g("red",3,[this._visible,this._axisEnabled,this._axisVisible,this._xAxisVisible,this._labelsVisible,this._clickable,this._xLabelEnabled]),this._yAxisLabel=g("green",3,[this._visible,this._axisEnabled,this._axisVisible,this._yAxisVisible,this._labelsVisible,this._clickable,this._yLabelEnabled]),this._zAxisLabel=g("blue",3,[this._visible,this._axisEnabled,this._axisVisible,this._zAxisVisible,this._labelsVisible,this._clickable,this._zLabelEnabled]);const m=(t,r)=>{const o=new Ie(i,t,s,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:d,onMouseDown:A,onMouseUp:h,onMouseMove:u,onContextMenu:l});return o.on("worldPos",(()=>this._update())),p(o,r),o};this._originDot=m(t.origin,[this._visible,this._originVisible]),this._targetDot=m(t.target,[this._visible,this._targetVisible]),this._update()}_update(){if(!this._targetDot)return;const e=this._originDot.worldPos,t=this._targetDot.worldPos,i=this._axesBasis,s=c.subVec3(t,e,jh),r=c.transformVec3(i,s,s),o=this._useRotationAdjustment.get()&&Math.abs(s[1])>0,n=(i,s)=>{const r=this.plugin.viewer.scene.metrics,n=r.scale,a=r.unitsInfo[r.units].abbrev,l=(i,s,r,o)=>{this._labelsOnWires.get()?i.setPosOnWire(s,r,0,this.plugin.labelMinAxisLength):i.setPosOnWire(e,t,35*o,0)},A=e=>(this._approximate?" ~ ":" = ")+e.toFixed(2)+a;this._xAxisWire.setEnds(e,i),l(this._xAxisLabel,e,i,1),this._xAxisLabel.setText("X"+A(c.distVec3(e,i)*n)),this._yAxisWire.setEnds(i,s),l(this._yAxisLabel,i,s,2),this._yAxisLabel.setText("Y"+A(c.distVec3(i,s)*n)),this._zAxisWire.setEnds(s,t),l(this._zAxisLabel,s,t,3),this._zAxisLabel.setText((o?"":"Z")+A(c.distVec3(s,t)*n)),this._lengthWire.setEnds(e,t),l(this._lengthLabel,e,t,0),this._length=c.distVec3(e,t)*n,this._lengthLabel.setText(A(this._length))};o?(zh[0]=e[0],zh[1]=t[1],zh[2]=e[2],n(e,zh)):(Gh[0]=e[0]+i[0]*r[0],Gh[1]=e[1]+i[4]*r[0],Gh[2]=e[2]+i[8]*r[0],zh[0]=Gh[0]+i[1]*r[1],zh[1]=Gh[1]+i[5]*r[1],zh[2]=Gh[2]+i[9]*r[1],n(Gh,zh))}set axesBasis(e){this._axesBasis.set(e),this._update()}get axesBasis(){return this._axesBasis}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){return this._length}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){this._visible.set(e)}get visible(){return this._visible.get()}set originVisible(e){this._originVisible.set(e)}get originVisible(){return this._originVisible.get()}set targetVisible(e){this._targetVisible.set(e)}get targetVisible(){return this._targetVisible.get()}set useRotationAdjustment(e){this._useRotationAdjustment.set(e),this._update()}get useRotationAdjustment(){return this._useRotationAdjustment.get()}set axisEnabled(e){this._axisEnabled.set(e)}get axisEnabled(){return this._axisEnabled.get()}set axisVisible(e){this._axisVisible.set(e)}get axisVisible(){return this._axisVisible.get()}set xAxisVisible(e){this._xAxisVisible.set(e)}get xAxisVisible(){return this._xAxisVisible.get()}set yAxisVisible(e){this._yAxisVisible.set(e)}get yAxisVisible(){return this._yAxisVisible.get()}set zAxisVisible(e){this._zAxisVisible.set(e)}get zAxisVisible(){return this._zAxisVisible.get()}set wireVisible(e){this._wireVisible.set(e)}get wireVisible(){return this._wireVisible.get()}set labelsVisible(e){this._labelsVisible.set(e)}get labelsVisible(){return this._labelsVisible.get()}set xLabelEnabled(e){this._xLabelEnabled.set(e)}get xLabelEnabled(){return this._xLabelEnabled.get()}set yLabelEnabled(e){this._yLabelEnabled.set(e)}get yLabelEnabled(){return this._yLabelEnabled.get()}set zLabelEnabled(e){this._zLabelEnabled.set(e)}get zLabelEnabled(){return this._zLabelEnabled.get()}set lengthLabelEnabled(e){this._lengthLabelEnabled.set(e)}get lengthLabelEnabled(){return this._lengthLabelEnabled.get()}set labelsOnWires(e){this._labelsOnWires.set(e),this._update()}get labelsOnWires(){return this._labelsOnWires.get()}setHighlighted(e){this._drawables.forEach((t=>t.setHighlighted(e)))}set clickable(e){this._clickable.set(!!e),this._drawables.forEach((e=>e.setClickable(this._clickable.get())))}get clickable(){return this._clickable.get()}destroy(){this._cleanups.forEach((e=>e())),super.destroy()}}class Wh extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Xh extends Wh{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=c.vec3(),n=c.vec2();let a,l;let A=null;this._mouseState=0;const h=c.vec2(),u=e=>{const t=e.snappedCanvasPos||e.canvasPos;if(r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState){if(this._canvasToPagePos)this._canvasToPagePos(s,t,h),this._markerDiv.style.left=h[0]-5+"px",this._markerDiv.style.top=h[1]-5+"px";else{const e=c.vec2(t);Ce(s,this._markerDiv.parentNode,e),this._markerDiv.style.left=e[0]-5+"px",this._markerDiv.style.top=e[1]-5+"px"}this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity}else this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px";s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&u(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||u(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const d=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&d(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||d(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Jh extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=Re({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Yh{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){_.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);M.scheduleTask((function(){i(e)}))}catch(e){M.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class Zh{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=qh(e,i);return s?t?$h(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=qh(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=$h(r,[t]),i&&(r=$h(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function qh(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function $h(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class ec extends D{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=c.subVec3(o,r,[]);return c.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=c.lenVec3(c.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class tc extends ec{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=c.vec3();return A[0]=c.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=c.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=c.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const ic=c.vec3();const sc=c.vec3(),rc=c.vec3(),oc=c.vec3(),nc=c.vec3(),ac=c.vec3();class lc extends D{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=c.vec3(),this._eye1=c.vec3(),this._up1=c.vec3(),this._look2=c.vec3(),this._eye2=c.vec3(),this._up2=c.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((_.isNumeric(s)||_.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+_.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=c.getAABB3Center(o);this._look2=h||t;const i=c.subVec3(this._eye1,this._look1,sc),s=c.normalizeVec3(i),r=h?c.getAABB3DiagPoint(o,h):c.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*c.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,M.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((_.isNumeric(t)||_.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+_.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?c.getAABB3DiagPoint(i,a):c.getAABB3Diag(i);let s;o=a||c.getAABB3Center(i,o),this._trail?c.subVec3(t.look,o,ac):c.subVec3(t.eye,t.look,ac),c.normalizeVec3(ac);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*c.DEGTORAD)):c.lenVec3(c.subVec3(t.eye,t.look,sc)),c.mulVec3Scalar(ac,s),t.eye=c.addVec3(o,ac,sc),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?lc._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(c.subVec3(s.eye,s.look,ac),s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,oc),s.look=c.subVec3(oc,ac,rc)):this._flyingLook&&(s.look=c.lerpVec3(i,0,1,this._look1,this._look2,rc),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,nc)):this._flyingEyeLookUp&&(s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,oc),s.look=c.lerpVec3(i,0,1,this._look1,this._look2,rc),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,nc)),this._projection2){const t="ortho"===this._projection2?lc._easeOutExpo(e,0,1,1):lc._easeInCubic(e,0,1,1);s.customProjection.matrix=c.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();M.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Ac extends D{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new lc(this),this._t=0,this.state=Ac.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Ac.SCRUBBING:return;case Ac.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Ac.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Ac.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Ac.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Ac.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Ac.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Ac.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Ac.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Ac.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Ac.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Ac.STOPPED=0,Ac.SCRUBBING=1,Ac.PLAYING=2,Ac.PLAYING_TO=3;const hc=c.vec3(),cc=c.vec3();c.vec3();const uc=c.vec3([0,-1,0]),dc=c.vec4([0,0,0,1]);function pc(e){if(!fc(e.width)||!fc(e.height)){const t=document.createElement("canvas");t.width=gc(e.width),t.height=gc(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function fc(e){return 0==(e&e-1)}function gc(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class mc extends D{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new Mt({texture:new zs({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),p.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=pc(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new zs({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),p.memory.textures--,this._state.destroy()}}class _c{constructor(e){this._eye=c.vec3(),this._look=c.vec3(),this._up=c.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const vc=c.vec3();const bc=c.vec3();class yc{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?_.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(bc[0]=this.objectsColorize[3*c+0],bc[1]=this.objectsColorize[3*c+1],bc[2]=this.objectsColorize[3*c+2],t.colorize=bc):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class Bc extends D{constructor(e,t={}){super(e,t),this._skyboxMesh=new vs(this,{geometry:new Ai(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new pi(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Zs(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}const xc=c.vec4(),Pc=c.vec4(),wc=c.vec3(),Cc=c.vec3(),Mc=c.vec3(),Ec=c.vec4(),Fc=c.vec4(),Ic=c.vec4();class Dc{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=c.subVec3(e,r.eye,wc);s=c.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,Ec),o=c.subVec3(s,r.eye,Ic),n=c.mulVec3Scalar(c.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=c.subVec3(e,r.eye,wc),i=c.lenVec3(t),s=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,Cc)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,Ec);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,Fc),o=c.subVec3(s,e,Ic),n=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,wc)),-i,Cc),a=c.addVec3(o,n,Mc);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o);return i.project.unproject(e,a,xc,Pc,t),t}destroy(){}}const Sc=c.vec3(),Tc=c.vec3(),Rc=c.vec3(),Lc=c.vec4(),Uc=c.vec4(),Oc=c.vec4();class kc{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=c.vec3(),this._cameraOffset=c.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=c.vec3(),this._rtcPos=c.vec3(),this._pivotViewPos=c.vec4(),this._pivotProjPos=c.vec4(),this._pivotCanvasPos=c.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=c.vec3();c.decomposeMat4(c.inverseMat4(this._scene.viewer.camera.viewMatrix,c.mat4()),t,c.vec4(),c.vec3());const i=c.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),Y(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new er(this._scene,Bs({radius:s})),this._pivotSphere=new vs(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){c.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,c.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(Y(this.getPivotPos(),this._rtcCenter,this._rtcPos),c.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new pi(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=c.lookAtMat4v(e.eye,e.look,e.worldUp);c.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=c.distVec3(e.eye,i),t=c.inverseMat4(t);const s=c.transformVec3(t,this._cameraOffset),r=c.vec3();if(c.subVec3(e.eye,i,r),c.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=c.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=c.normalizeVec3(c.subVec3(e.look,e.eye,Sc)),i=c.cross3Vec3(t,e.worldUp,Tc);return c.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(c.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o),l=Lc;t.project.unproject(e,a,Uc,Oc,l);const A=c.normalizeVec3(c.subVec3(l,t.eye,Sc)),h=c.addVec3(t.eye,c.mulVec3Scalar(A,i,Tc),Rc);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=c.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=c.lenVec3(c.subVec3(i.look,i.eye,c.vec3())),a=this.getPivotPos();c.addVec3(o,a);let l=c.lookAtMat4v(o,a,i.worldUp);l=c.inverseMat4(l);const A=c.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],c.subVec3(i.eye,c.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class Nc{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=c.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new qe;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const Qc=c.vec2();class Vc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a,l,A,h=0,u=0,d=0,p=0,f=!1;const g=c.vec3();let m=!0;const _=this._scene.canvas.canvas,v=[];function b(e=!0){h=s.pointerCanvasPos[0],u=s.pointerCanvasPos[1],d=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(f=!0,g.set(o.pickResult.worldPos)):f=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!1}),document.addEventListener("visibilitychange",this._onVisibilityChange=()=>{v.splice(0)}),window.addEventListener("blur",this._onBlur=()=>{v.splice(0)}),_.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:v[e.input.KEY_SHIFT]||i.planView?(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b()):(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b(!1));break;case 2:l=!0,v[e.input.MOUSE_MIDDLE_BUTTON]=!0,b();break;case 3:A=!0,v[e.input.MOUSE_RIGHT_BUTTON]=!0,i.panRightClick&&b()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!a&&!l&&!A)return;const o=e.canvas.boundary,d=o[2],p=o[3],m=s.pointerCanvasPos[0],_=s.pointerCanvasPos[1],b=i.planView||n._isKeyDownForAction(n.MOUSE_PAN,v),y=n._isKeyDownForAction(n.MOUSE_ROTATE,v),B=document.pointerLockElement?t.movementX:m-h,x=document.pointerLockElement?t.movementY:_-u;if(b){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(f?c.lenVec3(c.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*B*i/p,r.panDeltaY+=1.5*x*i/p}else r.panDeltaX+=.5*t.ortho.scale*(B/p),r.panDeltaY+=.5*t.ortho.scale*(x/p)}else y&&(i.planView||(i.firstPerson?(r.rotateDeltaY-=B/d*i.dragRotationRate/2,r.rotateDeltaX+=x/p*(i.dragRotationRate/4)):(r.rotateDeltaY-=B/d*(1.5*i.dragRotationRate),r.rotateDeltaX+=x/p*(1.5*i.dragRotationRate))));h=m,u=_}),_.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:case 2:case 3:a=!1,l=!1,A=!1,v[e.input.MOUSE_LEFT_BUTTON]=!1,v[e.input.MOUSE_MIDDLE_BUTTON]=!1,v[e.input.MOUSE_RIGHT_BUTTON]=!1}}),_.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Qc);const i=Qc[0],s=Qc[1];Math.abs(i-d)<3&&Math.abs(s-p)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Qc,event:e},!0)}_.style.removeProperty("cursor")}}),_.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const y=1/60;let B=null;_.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel&&n._isKeyDownForAction(n.MOUSE_DOLLY,v)))return;const t=performance.now()/1e3;var o=null!==B?t-B:0;B=t,o>.05&&(o=.05),o<y&&(o=y);const a=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===a)return;const l=a/Math.abs(a);r.dollyDelta+=-l*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Hc=c.vec3(),jc=c.vec3(),Gc=c.vec3(),zc=c.vec3(),Kc=c.vec3(),Wc={eye:c.vec3(),look:c.vec3(),up:c.vec3()};class Xc{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),u=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||u))return;const d=e.aabb,p=c.getAABB3Diag(d);c.getAABB3Center(d,Hc);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*c.DEGTORAD)),g=1.1*p;Wc.orthoScale=g,n?(Wc.eye.set(c.addVec3(Hc,c.mulVec3Scalar(o.worldRight,f,jc),Kc)),Wc.look.set(Hc),Wc.up.set(o.worldUp)):a?(Wc.eye.set(c.addVec3(Hc,c.mulVec3Scalar(o.worldForward,f,jc),Kc)),Wc.look.set(Hc),Wc.up.set(o.worldUp)):l?(Wc.eye.set(c.addVec3(Hc,c.mulVec3Scalar(o.worldRight,-f,jc),Kc)),Wc.look.set(Hc),Wc.up.set(o.worldUp)):A?(Wc.eye.set(c.addVec3(Hc,c.mulVec3Scalar(o.worldForward,-f,jc),Kc)),Wc.look.set(Hc),Wc.up.set(o.worldUp)):h?(Wc.eye.set(c.addVec3(Hc,c.mulVec3Scalar(o.worldUp,f,jc),Kc)),Wc.look.set(Hc),Wc.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,1,Gc),zc))):u&&(Wc.eye.set(c.addVec3(Hc,c.mulVec3Scalar(o.worldUp,-f,jc),Kc)),Wc.look.set(Hc),Wc.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,-1,Gc)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(Hc),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Wc,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Wc),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Jc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,u=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},d=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=c.vec3(),i=c.vec3();c.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),u=a.hasSubs("hoverOff"),d=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||u||d||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=d,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",d),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot(),this._lastClickedWorldPos=t.worldPos.slice()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):this._lastClickedWorldPos?n.setPivotPos(this._lastClickedWorldPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),d=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||d||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||d||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(u(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=c.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(u(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=c.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Yc{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[];e.canvas.canvas;let a=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{a=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,t.pivotController.getPivoting()&&t.pivotController.endPivot())})),document.addEventListener("visibilitychange",this._onVisibilityChange=()=>{n.splice(0)}),window.addEventListener("blur",this._onBlur=()=>{n.splice(0)}),this._onTick=e.on("tick",(l=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=l.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),a&&(s.followPointerDirty=!0,a=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),this._scene.input.off(this._onSceneKeyUp)}}const Zc=c.vec3();class qc{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController,A=t.cameraControl;let h=1,u=1,d=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--h<=0&&(h=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?d=n.pickResult.worldPos:(u=1,d=null),s.followPointerDirty=!1),d){const t=Math.abs(c.lenVec3(c.subVec3(d,e.camera.eye,Zc)));u=t/i.dollyProximityThreshold}u<i.dollyMinSpeed&&(u=i.dollyMinSpeed)}}else u=1,d=null;const p=r.dollyDelta*u;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t=A._cursors.rotate),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=c.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t=A._cursors.pan}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==p){if(t=p<0?A._cursors.dollyForward:A._cursors.dollyBackward,i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);else if(i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class $c{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{eu(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(eu(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function eu(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const tu=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class iu{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=c.vec2(),l=c.vec2(),A=c.vec2(),h=c.vec2(),u=[],d=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(tu(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));u.length<r.length;)u.push(c.vec2());for(let e=0,t=r.length;e<t;++e)tu(r[e],u[e]);p=r.length}),d.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&(n.endPivot(),n.hidePivot())}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],d=n[3],g=t.touches;if(t.touches.length===p){if(1===p){tu(g[0],l),c.subVec2(l,u[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/d*i.touchPanRate,r.panDeltaY+=o*n/d*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/d)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/d)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/d*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];tu(t,l),tu(n,A);const a=c.geometricMeanVec2(u[0],u[1]),h=c.geometricMeanVec2(l,A),p=c.vec2();c.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=c.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(c.distVec2(u[0],u[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(c.lenVec3(c.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/d*i.touchPanRate,r.panDeltaY-=m*s/d*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/d)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/d)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)tu(g[e],u[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const su=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class ru{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,u=-1;const d=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};d.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,su(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)su(r[e],l[e]);l.length=r.length},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,d=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(u>-1&&h-u<325?(su(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),u=-1):c.distVec2(l[0],A)<4&&(su(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),u=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class ou extends D{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this.MOUSE_PAN=18,this.MOUSE_ROTATE=19,this.MOUSE_DOLLY=20,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:c.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:c.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new Nc(this,this._configs),pivotController:new kc(i,this._configs),panController:new Dc(i),cameraFlight:new lc(this,{duration:.5})},this._handlers=[new $c(this.scene,this._controllers,this._configs,this._states,this._updates),new iu(this.scene,this._controllers,this._configs,this._states,this._updates),new Vc(this.scene,this._controllers,this._configs,this._states,this._updates),new Xc(this.scene,this._controllers,this._configs,this._states,this._updates),new Jc(this.scene,this._controllers,this._configs,this._states,this._updates),new ru(this.scene,this._controllers,this._configs,this._states,this._updates),new Yc(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},this._cameraUpdater=new qc(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",_.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_areAllKeysDown(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(let i=0,s=t.length;i<s;i++){if(!e[t[i]])return!1}return!0}_isAnyOtherKeyDown(e,t){for(let i=0,s=e.length;i<s;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}_isMouseAction(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){const s=i[e];if(Array.isArray(s)){if(this._areAllKeysDown(t,s)&&!this._isAnyOtherKeyDown(t,s))return!0}else if(t[s]&&!this._isAnyOtherKeyDown(t,s))return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}setCursorStyle(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors={...this._cursors,[e]:t}:console.warn(`Action '${e}' is not valid for cursor styles.`)}getCursorStyle(e){return this._cursors[e]||null}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e;const t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0){const e=this.scene.input;for(let i=0,s=t.length;i<s;i++)this._configs.panRightClick&&t[i]===e.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[i]!==e.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_MIDDLE_BUTTON)}}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class nu{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class au{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new nu(i.name,i.value,i.type,i.valueType,i.description))}}}}class lu{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class Au{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new au({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new lu({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects[r]=o,s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o),o.metaModels.push(this)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e in i.metaObjects){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects);for(let i=0,s=t.length;i<s;i++){const s=t[i],r={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(r.parent=s.parent.id),s.attributes&&(r.attributes=s.attributes),s.propertySetIds&&(r.propertySetIds=s.propertySetIds),e.metaObjects.push(r)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=c.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=c.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(c.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=c.globalizeObjectId(this.id,s.id))}}}class hu{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new Au({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i in t.metaObjects){const s=t.metaObjects[i];1===s.metaModels.length&&s.metaModels[0].id===e?(delete this.metaObjects[i],s.parent||delete this.rootMetaObjects[i]):s.metaModels=s.metaModels.filter((t=>t.id!==e))}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e in t.metaObjects){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?cu(t):null,n=i&&i.length>0?cu(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function cu(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
+ **/let uh=null;function dh(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=uh[i],o=uh[i+1],n=uh[i+2]),c=Math.min(a=uh[s],l=uh[s+1],A=uh[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let ph=null;function fh(e,t){let i=ph[2*e]-ph[2*t];return 0!==i?i:ph[2*e+1]-ph[2*t+1]}function gh(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;uh=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)uh[i]=e[i]>>t;i.sort(dh);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}ph=new Int32Array(e),t.sort(fh);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const mh=c.vec4(4),_h=c.vec4(),vh=c.vec4(),bh=c.vec3([1,0,0]),yh=c.vec3([0,1,0]),Bh=c.vec3([0,0,1]);c.vec3(3),c.vec3(3);const xh=c.identityMat4();class Ph{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=c.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=c.identityMat4(new Float32Array(16)),this._worldMatrix=c.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=c.identityMat4()),this._localMatrix.set(e||xh),c.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=c.identityMat4()),c.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return mh[0]=e[0],mh[1]=e[1],mh[2]=e[2],mh[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(mh,_h),c.mulQuaternions(this.quaternion,_h,vh),this.quaternion=vh,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return mh[0]=e[0],mh[1]=e[1],mh[2]=e[2],mh[3]=t*c.DEGTORAD,c.angleAxisToQuaternion(mh,_h),c.mulQuaternions(_h,this.quaternion,_h),this}rotateX(e){return this.rotate(bh,e)}rotateY(e){return this.rotate(yh,e)}rotateZ(e){return this.rotate(Bh,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)c.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const wh=c.vec3(),Ch=c.OBB3(),Mh=c.vec4(),Eh=c.vec3([1,1,1]),Fh=c.vec3([0,0,0]);c.vec3([0,0,0]);const Ih=c.identityQuaternion(),Dh=c.identityMat4(),Sh=new Uint8Array([255,255,255]);class Th extends D{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(Er++,Mr),this._textureTranscoder=t.textureTranscoder||ah(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=c.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new As,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=c.vec3(t.origin||[0,0,0]),this._position=c.vec3(t.position||[0,0,0]),this._rotation=c.vec3(t.rotation||[0,0,0]),this._quaternion=c.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=c.vec4(t.quaternion||[0,0,0,1]),t.rotation&&c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=c.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=c.mat4(),this._worldRotationMatrixConjugate=c.mat4(),this._matrix=c.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=c.mat4(),c.inverseMat4(this._matrix,this._worldNormalMatrix),c.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=c.mat4(),this._viewNormalMatrix=c.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new YA({id:"defaultColorTexture",texture:new Ks({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new YA({id:"defaultMetalRoughTexture",texture:new Ks({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new YA({id:"defaultNormalsTexture",texture:new Ks({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new YA({id:"defaultEmissiveTexture",texture:new Ks({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new YA({id:"defaultOcclusionTexture",texture:new Ks({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new JA({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),c.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),c.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||Dh),c.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(c.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),c.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),c.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),c.scaleMat4v(this._scale,this._worldRotationMatrix),c.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),c.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}get rotationMatrixConjugate(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}_rebuildViewMatrices(){this._rebuildMatrices(),this._viewMatrixDirty&&(c.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),c.inverseMat4(this._viewMatrix,this._viewNormalMatrix),c.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}get viewMatrix(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){c.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)c.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:xo(e.aabb,c.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=xo(e.positionsDecodeBoundary,c.mat4())),e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=Bo(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),c.expandAABB3Points3(t,e.positionsCompressed),ai.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=c.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&ai.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=ei(e.positions,e.indices,null,5):e.edgeIndices=ei(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=ai.getUVBounds(e.uv),i=ai.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new Ks({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;if(t.crossOrigin="Anonymous",t.compressed){const e=t.data;l.setCompressedData({mipmaps:e,props:{format:e[0].format,minFilter:i,magFilter:s}})}else l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?_.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new YA({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new JA({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new Ph({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Eh,i=e.position||Fh;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",Mh),e.meshMatrix=c.composeMat4(i,Mh,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||Ih,t,c.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=xo(e.positionsDecodeBoundary,c.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Sh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=c.vec3(),i=[];Z(e.positions,i,t)&&(e.positions=i,e.origin=c.addVec3(e.origin,t,t))}if(e.positions){const t=c.collapseAABB3();e.positionsDecodeMatrix=c.mat4(),c.expandAABB3Points3(t,e.positions),e.positionsCompressed=Bo(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),ai.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=c.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?c.expandAABB3Points3(t,s.positions):s.positionsCompressed&&c.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&ai.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,Ch),c.transformOBB3(e.meshMatrix,Ch),c.OBB3ToAABB3(Ch,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=ei(e.positions,e.indices,null,2):e.edgeIndices=ei(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=Rh(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];Z(e.positions,t,wh)&&(e.positions=t,e.origin=c.addVec3(e.origin,wh,c.vec3()))}if(e.positions){const t=c.collapseAABB3();e.meshMatrix&&(c.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),c.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=c.collapseAABB3();c.expandAABB3Points3(t,e.positionsCompressed),ai.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(c.AABB3ToOBB3(e.aabb,Ch),c.transformOBB3(e.meshMatrix,Ch),c.OBB3ToAABB3(Ch,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=ei(e.positions,e.indices,null,2):e.edgeIndices=ei(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?c.addVec3(this._origin,e.origin,c.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||Eh,i=e.position||Fh;e.rotation?(c.eulerToQuaternion(e.rotation,"XYZ",Mh),e.meshMatrix=c.composeMat4(i,Mh,t,c.mat4())):e.meshMatrix=c.composeMat4(i,e.quaternion||Ih,t,c.mat4())}c.AABB3ToOBB3(e.geometry.aabb,Ch),c.transformOBB3(e.meshMatrix,Ch),e.aabb=c.OBB3ToAABB3(Ch,c.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Sh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=Rh(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Sh,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new Cr(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=c.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new XA(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new Pl(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new Uo({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new Wn({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new Ra({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new En({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new En({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new da({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new ol({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=c.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=c.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;return this._visible&&!1!==e.visible&&(t|=$),this._pickable&&!1!==e.pickable&&(t|=te),this._culled&&!1!==e.culled&&(t|=ee),this._clippable&&!1!==e.clippable&&(t|=ie),this._collidable&&!1!==e.collidable&&(t|=se),this._edges&&!1!==e.edges&&(t|=ae),this._xrayed&&!1!==e.xrayed&&(t|=re),this._highlighted&&!1!==e.highlighted&&(t|=oe),this._selected&&!1!==e.selected&&(t|=ne),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new he(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++,i}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${c.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==Er&&(Er--,0===Er&&Mr._clear()),super.destroy()}}function Rh(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=ch({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=gh({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class Lh extends D{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new Th(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const Uh=c.vec3(),Oh=c.vec3(),kh=c.vec3(),Nh=c.vec3();function Qh(e){return{x:e[0],y:e[1],z:e[2]}}function Vh(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function Hh(e){return new Float64Array([e[0],-e[2],e[1]])}function jh(e){return new Float64Array([e[0],e[2],-e[1]])}const Gh=c.vec3(),zh=c.vec3(),Kh=c.vec3();c.vec4(),c.vec4(),c.vec4();class Wh extends D{constructor(e,t={}){const i=e.viewer.scene;super(i,t),this.plugin=e;const s=t.container;if(!s)throw"config missing: container";this._color=t.color||e.defaultColor;const r=function(e,t){const i=[];let s=void 0!==e?Boolean(e):t;return{reg:e=>i.push(e),get:()=>s,set:e=>{s=void 0!==e?Boolean(e):t,i.forEach((e=>e(s)))}}};this._visible=r(t.visible,e.defaultVisible),this._originVisible=r(t.originVisible,e.defaultOriginVisible),this._targetVisible=r(t.targetVisible,e.defaultTargetVisible),this._axisVisible=r(t.axisVisible,e.defaultAxisVisible),this._xAxisVisible=r(t.xAxisVisible,e.defaultAxisVisible),this._yAxisVisible=r(t.yAxisVisible,e.defaultAxisVisible),this._zAxisVisible=r(t.zAxisVisible,e.defaultAxisVisible),this._axisEnabled=r(!0,e.defaultAxisVisible),this._wireVisible=r(t.wireVisible,e.defaultWireVisible),this._xLabelEnabled=r(t.xLabelEnabled,e.defaultXLabelEnabled),this._yLabelEnabled=r(t.yLabelEnabled,e.defaultYLabelEnabled),this._zLabelEnabled=r(t.zLabelEnabled,e.defaultZLabelEnabled),this._lengthLabelEnabled=r(t.lengthLabelEnabled,e.defaultLengthLabelEnabled),this._labelsVisible=r(t.labelsVisible,e.defaultLabelsVisible),this._clickable=r(!1,!1),this._labelsOnWires=r(t.labelsOnWires,e.defaultLabelsOnWires),this._useRotationAdjustment=r(t.useRotationAdjustment,e.useRotationAdjustment),this._axesBasis=c.identityMat4(),this.approximate=t.approximate;const o=i.canvas.canvas,n=t.onMouseOver?e=>{t.onMouseOver(e,this),o.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=t.onMouseLeave?e=>{t.onMouseLeave(e,this),o.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>o.dispatchEvent(new MouseEvent("mousedown",e)),h=e=>o.dispatchEvent(new MouseEvent("mouseup",e)),u=e=>o.dispatchEvent(new MouseEvent("mousemove",e)),d=e=>o.dispatchEvent(new WheelEvent("wheel",e));this._cleanups=[],["units","scale"].forEach((e=>{const t=i.metrics.on("units",(()=>this._update()));this._cleanups.push((()=>i.metrics.off(t)))})),this._drawables=[];const p=(e,t)=>{const i=()=>e.setVisible(t.every((e=>e.get())));t.forEach((e=>e.reg(i))),this._drawables.push(e),this._cleanups.push((()=>e.destroy()))},f=(t,r,o)=>{const c=new Se(i,s,{color:t,thickness:r,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:d,onMouseDown:A,onMouseUp:h,onMouseMove:u,onContextMenu:l});return p(c,o),{setEnds:(e,t)=>c.setEnds(e,t),setColor:e=>c.setColor(e)}};this._lengthWire=f(this._color,2,[this._visible,this._wireVisible]),this._xAxisWire=f("red",1,[this._visible,this._axisEnabled,this._axisVisible,this._xAxisVisible]),this._yAxisWire=f("green",1,[this._visible,this._axisEnabled,this._axisVisible,this._yAxisVisible]),this._zAxisWire=f("blue",1,[this._visible,this._axisEnabled,this._axisVisible,this._zAxisVisible]);const g=(t,r,o)=>{const c=new De(i,s,{fillColor:t,zIndex:void 0!==e.zIndex?e.zIndex+r:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:d,onMouseDown:A,onMouseUp:h,onMouseMove:u,onContextMenu:l});return p(c,o),{setFillColor:e=>c.setFillColor(e),setPosOnWire:(e,t,i,s)=>c.setPosOnWire(e,t,i,s),setPosBetween:(e,t,i)=>c.setPosBetween(e,t,i),setText:e=>c.setText(e.replace(/ /g,"&nbsp;"))}};this._lengthLabel=g(this._color,4,[this._visible,this._wireVisible,this._labelsVisible,this._clickable,this._axisEnabled,this._lengthLabelEnabled]),this._xAxisLabel=g("red",3,[this._visible,this._axisEnabled,this._axisVisible,this._xAxisVisible,this._labelsVisible,this._clickable,this._xLabelEnabled]),this._yAxisLabel=g("green",3,[this._visible,this._axisEnabled,this._axisVisible,this._yAxisVisible,this._labelsVisible,this._clickable,this._yLabelEnabled]),this._zAxisLabel=g("blue",3,[this._visible,this._axisEnabled,this._axisVisible,this._zAxisVisible,this._labelsVisible,this._clickable,this._zLabelEnabled]);const m=(t,r)=>{const o=new Ie(i,t,s,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:d,onMouseDown:A,onMouseUp:h,onMouseMove:u,onContextMenu:l});return o.on("worldPos",(()=>this._update())),p(o,r),o};this._originDot=m(t.origin,[this._visible,this._originVisible]),this._targetDot=m(t.target,[this._visible,this._targetVisible]),this._update()}_update(){if(!this._targetDot)return;const e=this._originDot.worldPos,t=this._targetDot.worldPos,i=this._axesBasis,s=c.subVec3(t,e,Gh),r=c.transformVec3(i,s,s),o=this._useRotationAdjustment.get()&&Math.abs(s[1])>0,n=(i,s)=>{const r=this.plugin.viewer.scene.metrics,n=r.scale,a=r.unitsInfo[r.units].abbrev,l=(i,s,r,o)=>{this._labelsOnWires.get()?i.setPosOnWire(s,r,0,this.plugin.labelMinAxisLength):i.setPosOnWire(e,t,35*o,0)},A=e=>(this._approximate?" ~ ":" = ")+e.toFixed(2)+a;this._xAxisWire.setEnds(e,i),l(this._xAxisLabel,e,i,1),this._xAxisLabel.setText("X"+A(c.distVec3(e,i)*n)),this._yAxisWire.setEnds(i,s),l(this._yAxisLabel,i,s,2),this._yAxisLabel.setText("Y"+A(c.distVec3(i,s)*n)),this._zAxisWire.setEnds(s,t),l(this._zAxisLabel,s,t,3),this._zAxisLabel.setText((o?"":"Z")+A(c.distVec3(s,t)*n)),this._lengthWire.setEnds(e,t),l(this._lengthLabel,e,t,0),this._length=c.distVec3(e,t)*n,this._lengthLabel.setText(A(this._length))};o?(Kh[0]=e[0],Kh[1]=t[1],Kh[2]=e[2],n(e,Kh)):(zh[0]=e[0]+i[0]*r[0],zh[1]=e[1]+i[4]*r[0],zh[2]=e[2]+i[8]*r[0],Kh[0]=zh[0]+i[1]*r[1],Kh[1]=zh[1]+i[5]*r[1],Kh[2]=zh[2]+i[9]*r[1],n(zh,Kh))}set axesBasis(e){this._axesBasis.set(e),this._update()}get axesBasis(){return this._axesBasis}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){return this._length}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){this._visible.set(e)}get visible(){return this._visible.get()}set originVisible(e){this._originVisible.set(e)}get originVisible(){return this._originVisible.get()}set targetVisible(e){this._targetVisible.set(e)}get targetVisible(){return this._targetVisible.get()}set useRotationAdjustment(e){this._useRotationAdjustment.set(e),this._update()}get useRotationAdjustment(){return this._useRotationAdjustment.get()}set axisEnabled(e){this._axisEnabled.set(e)}get axisEnabled(){return this._axisEnabled.get()}set axisVisible(e){this._axisVisible.set(e)}get axisVisible(){return this._axisVisible.get()}set xAxisVisible(e){this._xAxisVisible.set(e)}get xAxisVisible(){return this._xAxisVisible.get()}set yAxisVisible(e){this._yAxisVisible.set(e)}get yAxisVisible(){return this._yAxisVisible.get()}set zAxisVisible(e){this._zAxisVisible.set(e)}get zAxisVisible(){return this._zAxisVisible.get()}set wireVisible(e){this._wireVisible.set(e)}get wireVisible(){return this._wireVisible.get()}set labelsVisible(e){this._labelsVisible.set(e)}get labelsVisible(){return this._labelsVisible.get()}set xLabelEnabled(e){this._xLabelEnabled.set(e)}get xLabelEnabled(){return this._xLabelEnabled.get()}set yLabelEnabled(e){this._yLabelEnabled.set(e)}get yLabelEnabled(){return this._yLabelEnabled.get()}set zLabelEnabled(e){this._zLabelEnabled.set(e)}get zLabelEnabled(){return this._zLabelEnabled.get()}set lengthLabelEnabled(e){this._lengthLabelEnabled.set(e)}get lengthLabelEnabled(){return this._lengthLabelEnabled.get()}set labelsOnWires(e){this._labelsOnWires.set(e),this._update()}get labelsOnWires(){return this._labelsOnWires.get()}setHighlighted(e){this._drawables.forEach((t=>t.setHighlighted(e)))}set clickable(e){this._clickable.set(!!e),this._drawables.forEach((e=>e.setClickable(this._clickable.get())))}get clickable(){return this._clickable.get()}destroy(){this._cleanups.forEach((e=>e())),super.destroy()}}class Xh extends D{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Jh extends Xh{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=c.vec3(),n=c.vec2();let a,l;let A=null;this._mouseState=0;const h=c.vec2(),u=e=>{const t=e.snappedCanvasPos||e.canvasPos;if(r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState){if(this._canvasToPagePos)this._canvasToPagePos(s,t,h),this._markerDiv.style.left=h[0]-5+"px",this._markerDiv.style.top=h[1]-5+"px";else{const e=c.vec2(t);Ce(s,this._markerDiv.parentNode,e),this._markerDiv.style.left=e[0]-5+"px",this._markerDiv.style.top=e[1]-5+"px"}this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity}else this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px";s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&u(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||u(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const d=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&d(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||d(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}const Yh=c.vec2();class Zh extends D{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=Re({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!c.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class qh{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){_.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){_.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);M.scheduleTask((function(){i(e)}))}catch(e){M.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class $h{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=ec(e,i);return s?t?tc(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=ec(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=tc(r,[t]),i&&(r=tc(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function ec(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function tc(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class ic extends D{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=c.subVec3(o,r,[]);return c.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=c.lenVec3(c.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class sc extends ic{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=c.vec3();return A[0]=c.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=c.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=c.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const rc=c.vec3();const oc=c.vec3(),nc=c.vec3(),ac=c.vec3(),lc=c.vec3(),Ac=c.vec3();class hc extends D{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=c.vec3(),this._eye1=c.vec3(),this._up1=c.vec3(),this._look2=c.vec3(),this._eye2=c.vec3(),this._up2=c.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((_.isNumeric(s)||_.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+_.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=c.getAABB3Center(o);this._look2=h||t;const i=c.subVec3(this._eye1,this._look1,oc),s=c.normalizeVec3(i),r=h?c.getAABB3DiagPoint(o,h):c.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*c.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,M.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((_.isNumeric(t)||_.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+_.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?c.getAABB3DiagPoint(i,a):c.getAABB3Diag(i);let s;o=a||c.getAABB3Center(i,o),this._trail?c.subVec3(t.look,o,Ac):c.subVec3(t.eye,t.look,Ac),c.normalizeVec3(Ac);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*c.DEGTORAD)):c.lenVec3(c.subVec3(t.eye,t.look,oc)),c.mulVec3Scalar(Ac,s),t.eye=c.addVec3(o,Ac,oc),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?hc._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(c.subVec3(s.eye,s.look,Ac),s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,ac),s.look=c.subVec3(ac,Ac,nc)):this._flyingLook&&(s.look=c.lerpVec3(i,0,1,this._look1,this._look2,nc),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,lc)):this._flyingEyeLookUp&&(s.eye=c.lerpVec3(i,0,1,this._eye1,this._eye2,ac),s.look=c.lerpVec3(i,0,1,this._look1,this._look2,nc),s.up=c.lerpVec3(i,0,1,this._up1,this._up2,lc)),this._projection2){const t="ortho"===this._projection2?hc._easeOutExpo(e,0,1,1):hc._easeInCubic(e,0,1,1);s.customProjection.matrix=c.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();M.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class cc extends D{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new hc(this),this._t=0,this.state=cc.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case cc.SCRUBBING:return;case cc.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=cc.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case cc.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=cc.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=cc.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=cc.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=cc.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=cc.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=cc.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=cc.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}cc.STOPPED=0,cc.SCRUBBING=1,cc.PLAYING=2,cc.PLAYING_TO=3;const uc=c.vec3(),dc=c.vec3();c.vec3();const pc=c.vec3([0,-1,0]),fc=c.vec4([0,0,0,1]);function gc(e){if(!mc(e.width)||!mc(e.height)){const t=document.createElement("canvas");t.width=_c(e.width),t.height=_c(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function mc(e){return 0==(e&e-1)}function _c(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class vc extends D{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new Et({texture:new Ks({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),p.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=gc(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new Ks({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),p.memory.textures--,this._state.destroy()}}class bc{constructor(e){this._eye=c.vec3(),this._look=c.vec3(),this._up=c.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const yc=c.vec3();const Bc=c.vec3();class xc{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?_.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(Bc[0]=this.objectsColorize[3*c+0],Bc[1]=this.objectsColorize[3*c+1],Bc[2]=this.objectsColorize[3*c+2],t.colorize=Bc):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class Pc extends D{constructor(e,t={}){super(e,t),this._skyboxMesh=new bs(this,{geometry:new hi(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new fi(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new qs(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}const wc=c.vec4(),Cc=c.vec4(),Mc=c.vec3(),Ec=c.vec3(),Fc=c.vec3(),Ic=c.vec4(),Dc=c.vec4(),Sc=c.vec4();class Tc{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=c.subVec3(e,r.eye,Mc);s=c.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,Ic),o=c.subVec3(s,r.eye,Sc),n=c.mulVec3Scalar(c.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=c.subVec3(e,r.eye,Mc),i=c.lenVec3(t),s=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,Ec)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,Ic);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,Dc),o=c.subVec3(s,e,Sc),n=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(r.look,r.eye,Mc)),-i,Ec),a=c.addVec3(o,n,Fc);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o);return i.project.unproject(e,a,wc,Cc,t),t}destroy(){}}const Rc=c.vec3(),Lc=c.vec3(),Uc=c.vec3(),Oc=c.vec4(),kc=c.vec4(),Nc=c.vec4();class Qc{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=c.vec3(),this._cameraOffset=c.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=c.vec3(),this._rtcPos=c.vec3(),this._pivotViewPos=c.vec4(),this._pivotProjPos=c.vec4(),this._pivotCanvasPos=c.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=c.vec3();c.decomposeMat4(c.inverseMat4(this._scene.viewer.camera.viewMatrix,c.mat4()),t,c.vec4(),c.vec3());const i=c.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),Y(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new tr(this._scene,xs({radius:s})),this._pivotSphere=new bs(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){c.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,c.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(Y(this.getPivotPos(),this._rtcCenter,this._rtcPos),c.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new fi(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=c.lookAtMat4v(e.eye,e.look,e.worldUp);c.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=c.distVec3(e.eye,i),t=c.inverseMat4(t);const s=c.transformVec3(t,this._cameraOffset),r=c.vec3();if(c.subVec3(e.eye,i,r),c.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=c.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=c.normalizeVec3(c.subVec3(e.look,e.eye,Rc)),i=c.cross3Vec3(t,e.worldUp,Lc);return c.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(c.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=c.dotVec4(n,r)/c.dotVec4(n,o),l=Oc;t.project.unproject(e,a,kc,Nc,l);const A=c.normalizeVec3(c.subVec3(l,t.eye,Rc)),h=c.addVec3(t.eye,c.mulVec3Scalar(A,i,Lc),Uc);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=c.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=c.lenVec3(c.subVec3(i.look,i.eye,c.vec3())),a=this.getPivotPos();c.addVec3(o,a);let l=c.lookAtMat4v(o,a,i.worldUp);l=c.inverseMat4(l);const A=c.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],c.subVec3(i.eye,c.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class Vc{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=c.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new $e;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const Hc=c.vec2();class jc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a,l,A,h=0,u=0,d=0,p=0,f=!1;const g=c.vec3();let m=!0;const _=this._scene.canvas.canvas,v=[];function b(e=!0){h=s.pointerCanvasPos[0],u=s.pointerCanvasPos[1],d=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(f=!0,g.set(o.pickResult.worldPos)):f=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!1}),document.addEventListener("visibilitychange",this._onVisibilityChange=()=>{v.splice(0)}),window.addEventListener("blur",this._onBlur=()=>{v.splice(0)}),_.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:v[e.input.KEY_SHIFT]||i.planView?(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b()):(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b(!1));break;case 2:l=!0,v[e.input.MOUSE_MIDDLE_BUTTON]=!0,b();break;case 3:A=!0,v[e.input.MOUSE_RIGHT_BUTTON]=!0,i.panRightClick&&b()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!a&&!l&&!A)return;const o=e.canvas.boundary,d=o[2],p=o[3],m=s.pointerCanvasPos[0],_=s.pointerCanvasPos[1],b=i.planView||n._isKeyDownForAction(n.MOUSE_PAN,v),y=n._isKeyDownForAction(n.MOUSE_ROTATE,v),B=document.pointerLockElement?t.movementX:m-h,x=document.pointerLockElement?t.movementY:_-u;if(b){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(f?c.lenVec3(c.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*B*i/p,r.panDeltaY+=1.5*x*i/p}else r.panDeltaX+=.5*t.ortho.scale*(B/p),r.panDeltaY+=.5*t.ortho.scale*(x/p)}else y&&(i.planView||(i.firstPerson?(r.rotateDeltaY-=B/d*i.dragRotationRate/2,r.rotateDeltaX+=x/p*(i.dragRotationRate/4)):(r.rotateDeltaY-=B/d*(1.5*i.dragRotationRate),r.rotateDeltaX+=x/p*(1.5*i.dragRotationRate))));h=m,u=_}),_.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:case 2:case 3:a=!1,l=!1,A=!1,v[e.input.MOUSE_LEFT_BUTTON]=!1,v[e.input.MOUSE_MIDDLE_BUTTON]=!1,v[e.input.MOUSE_RIGHT_BUTTON]=!1}}),_.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Hc);const i=Hc[0],s=Hc[1];Math.abs(i-d)<3&&Math.abs(s-p)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Hc,event:e},!0)}_.style.removeProperty("cursor")}}),_.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const y=1/60;let B=null;_.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel&&n._isKeyDownForAction(n.MOUSE_DOLLY,v)))return;const t=performance.now()/1e3;var o=null!==B?t-B:0;B=t,o>.05&&(o=.05),o<y&&(o=y);const a=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===a)return;const l=a/Math.abs(a);r.dollyDelta+=-l*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Gc=c.vec3(),zc=c.vec3(),Kc=c.vec3(),Wc=c.vec3(),Xc=c.vec3(),Jc={eye:c.vec3(),look:c.vec3(),up:c.vec3()};class Yc{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),u=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||u))return;const d=e.aabb,p=c.getAABB3Diag(d);c.getAABB3Center(d,Gc);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*c.DEGTORAD)),g=1.1*p;Jc.orthoScale=g,n?(Jc.eye.set(c.addVec3(Gc,c.mulVec3Scalar(o.worldRight,f,zc),Xc)),Jc.look.set(Gc),Jc.up.set(o.worldUp)):a?(Jc.eye.set(c.addVec3(Gc,c.mulVec3Scalar(o.worldForward,f,zc),Xc)),Jc.look.set(Gc),Jc.up.set(o.worldUp)):l?(Jc.eye.set(c.addVec3(Gc,c.mulVec3Scalar(o.worldRight,-f,zc),Xc)),Jc.look.set(Gc),Jc.up.set(o.worldUp)):A?(Jc.eye.set(c.addVec3(Gc,c.mulVec3Scalar(o.worldForward,-f,zc),Xc)),Jc.look.set(Gc),Jc.up.set(o.worldUp)):h?(Jc.eye.set(c.addVec3(Gc,c.mulVec3Scalar(o.worldUp,f,zc),Xc)),Jc.look.set(Gc),Jc.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,1,Kc),Wc))):u&&(Jc.eye.set(c.addVec3(Gc,c.mulVec3Scalar(o.worldUp,-f,zc),Xc)),Jc.look.set(Gc),Jc.up.set(c.normalizeVec3(c.mulVec3Scalar(o.worldForward,-1,Kc)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(Gc),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Jc,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Jc),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Zc{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,u=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},d=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=c.vec3(),i=c.vec3();c.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),u=a.hasSubs("hoverOff"),d=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||u||d||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=d,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",d),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot(),this._lastClickedWorldPos=t.worldPos.slice()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):this._lastClickedWorldPos?n.setPivotPos(this._lastClickedWorldPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),d=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||d||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||d||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(u(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=c.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(u(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=c.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class qc{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[];e.canvas.canvas;let a=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{a=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,t.pivotController.getPivoting()&&t.pivotController.endPivot())})),document.addEventListener("visibilitychange",this._onVisibilityChange=()=>{n.splice(0)}),window.addEventListener("blur",this._onBlur=()=>{n.splice(0)}),this._onTick=e.on("tick",(l=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=l.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),a&&(s.followPointerDirty=!0,a=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),this._scene.input.off(this._onSceneKeyUp)}}const $c=c.vec3();class eu{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController,A=t.cameraControl;let h=1,u=1,d=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--h<=0&&(h=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?d=n.pickResult.worldPos:(u=1,d=null),s.followPointerDirty=!1),d){const t=Math.abs(c.lenVec3(c.subVec3(d,e.camera.eye,$c)));u=t/i.dollyProximityThreshold}u<i.dollyMinSpeed&&(u=i.dollyMinSpeed)}}else u=1,d=null;const p=r.dollyDelta*u;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t=A._cursors.rotate),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=c.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t=A._cursors.pan}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==p){if(t=p<0?A._cursors.dollyForward:A._cursors.dollyBackward,i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);else if(i.followPointer){l.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class tu{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{iu(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(iu(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function iu(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const su=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class ru{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=c.vec2(),l=c.vec2(),A=c.vec2(),h=c.vec2(),u=[],d=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(su(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));u.length<r.length;)u.push(c.vec2());for(let e=0,t=r.length;e<t;++e)su(r[e],u[e]);p=r.length}),d.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&(n.endPivot(),n.hidePivot())}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],d=n[3],g=t.touches;if(t.touches.length===p){if(1===p){su(g[0],l),c.subVec2(l,u[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/d*i.touchPanRate,r.panDeltaY+=o*n/d*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/d)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/d)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/d*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];su(t,l),su(n,A);const a=c.geometricMeanVec2(u[0],u[1]),h=c.geometricMeanVec2(l,A),p=c.vec2();c.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=c.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(c.distVec2(u[0],u[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(c.lenVec3(c.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/d*i.touchPanRate,r.panDeltaY-=m*s/d*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/d)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/d)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)su(g[e],u[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const ou=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class nu{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,u=-1;const d=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;c.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};d.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,ou(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)ou(r[e],l[e]);l.length=r.length},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,d=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(u>-1&&h-u<325?(ou(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),u=-1):c.distVec2(l[0],A)<4&&(ou(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=d,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),u=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class au extends D{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this.MOUSE_PAN=18,this.MOUSE_ROTATE=19,this.MOUSE_DOLLY=20,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:c.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:c.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new Vc(this,this._configs),pivotController:new Qc(i,this._configs),panController:new Tc(i),cameraFlight:new hc(this,{duration:.5})},this._handlers=[new tu(this.scene,this._controllers,this._configs,this._states,this._updates),new ru(this.scene,this._controllers,this._configs,this._states,this._updates),new jc(this.scene,this._controllers,this._configs,this._states,this._updates),new Yc(this.scene,this._controllers,this._configs,this._states,this._updates),new Zc(this.scene,this._controllers,this._configs,this._states,this._updates),new nu(this.scene,this._controllers,this._configs,this._states,this._updates),new qc(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},this._cameraUpdater=new eu(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",_.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_areAllKeysDown(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(let i=0,s=t.length;i<s;i++){if(!e[t[i]])return!1}return!0}_isAnyOtherKeyDown(e,t){for(let i=0,s=e.length;i<s;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}_isMouseAction(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){const s=i[e];if(Array.isArray(s)){if(this._areAllKeysDown(t,s)&&!this._isAnyOtherKeyDown(t,s))return!0}else if(t[s]&&!this._isAnyOtherKeyDown(t,s))return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}setCursorStyle(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors={...this._cursors,[e]:t}:console.warn(`Action '${e}' is not valid for cursor styles.`)}getCursorStyle(e){return this._cursors[e]||null}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e;const t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0){const e=this.scene.input;for(let i=0,s=t.length;i<s;i++)this._configs.panRightClick&&t[i]===e.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[i]!==e.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_MIDDLE_BUTTON)}}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class lu{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class Au{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new lu(i.name,i.value,i.type,i.valueType,i.description))}}}}class hu{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class cu{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new Au({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new hu({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects[r]=o,s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o),o.metaModels.push(this)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e in i.metaObjects){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects);for(let i=0,s=t.length;i<s;i++){const s=t[i],r={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(r.parent=s.parent.id),s.attributes&&(r.attributes=s.attributes),s.propertySetIds&&(r.propertySetIds=s.propertySetIds),e.metaObjects.push(r)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=c.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=c.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(c.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=c.globalizeObjectId(this.id,s.id))}}}class uu{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new cu({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i in t.metaObjects){const s=t.metaObjects[i];1===s.metaModels.length&&s.metaModels[0].id===e?(delete this.metaObjects[i],s.parent||delete this.rootMetaObjects[i]):s.metaModels=s.metaModels.filter((t=>t.id!==e))}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in 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  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
@@ -33,5 +33,5 @@ INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 PERFORMANCE OF THIS SOFTWARE.
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e>=48&&e<=57},_d=function(e){return md(e)||e>=65&&e<=70||e>=97&&e<=102},vd=function(e){return 10===e||9===e||32===e},bd=function(e){return function(e){return function(e){return e>=97&&e<=122}(e)||function(e){return e>=65&&e<=90}(e)}(e)||function(e){return e>=128}(e)||95===e},yd=function(e){return bd(e)||md(e)||45===e},Bd=function(e){return e>=0&&e<=8||11===e||e>=14&&e<=31||127===e},xd=function(e,t){return 92===e&&10!==t},Pd=function(e,t,i){return 45===e?bd(t)||xd(t,i):!!bd(e)||!(92!==e||!xd(e,t))},wd=function(e,t,i){return 43===e||45===e?!!md(t)||46===t&&md(i):md(46===e?t:e)},Cd=function(e){var t=0,i=1;43!==e[t]&&45!==e[t]||(45===e[t]&&(i=-1),t++);for(var s=[];md(e[t]);)s.push(e[t++]);var r=s.length?parseInt(yu.apply(void 0,s),10):0;46===e[t]&&t++;for(var o=[];md(e[t]);)o.push(e[t++]);var n=o.length,a=n?parseInt(yu.apply(void 0,o),10):0;69!==e[t]&&101!==e[t]||t++;var l=1;43!==e[t]&&45!==e[t]||(45===e[t]&&(l=-1),t++);for(var A=[];md(e[t]);)A.push(e[t++]);var h=A.length?parseInt(yu.apply(void 0,A),10):0;return i*(r+a*Math.pow(10,-n))*Math.pow(10,l*h)},Md={type:2},Ed={type:3},Fd={type:4},Id={type:13},Dd={type:8},Sd={type:21},Td={type:9},Rd={type:10},Ld={type:11},Ud={type:12},Od={type:14},kd={type:23},Nd={type:1},Qd={type:25},Vd={type:24},Hd={type:26},jd={type:27},Gd={type:28},zd={type:29},Kd={type:31},Wd={type:32},Xd=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(bu(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==Wd;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),s=this.peekCodePoint(2);if(yd(t)||xd(i,s)){var r=Pd(t,i,s)?2:1;return{type:5,value:this.consumeName(),flags:r}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Id;break;case 39:return this.consumeStringToken(39);case 40:return Md;case 41:return Ed;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Od;break;case 43:if(wd(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return Fd;case 45:var o=e,n=this.peekCodePoint(0),a=this.peekCodePoint(1);if(wd(o,n,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(Pd(o,n,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===n&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),Vd;break;case 46:if(wd(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return Hd;case 59:return jd;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),Qd;break;case 64:var A=this.peekCodePoint(0),h=this.peekCodePoint(1),c=this.peekCodePoint(2);if(Pd(A,h,c))return{type:7,value:this.consumeName()};break;case 91:return Gd;case 92:if(xd(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return zd;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Dd;break;case 123:return Ld;case 125:return Ud;case 117:case 85:var u=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==u||!_d(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Td;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),Sd;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Rd;break;case-1:return Wd}return vd(e)?(this.consumeWhiteSpace(),Kd):md(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):bd(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:yu(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();_d(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(yu.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(yu.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var s=parseInt(yu.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&_d(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var r=[];_d(t)&&r.length<6;)r.push(t),t=this.consumeCodePoint();return{type:30,start:s,end:parseInt(yu.apply(void 0,r),16)}}return{type:30,start:s,end:s}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),kd)}for(;;){var s=this.consumeCodePoint();if(-1===s||41===s)return{type:22,value:yu.apply(void 0,e)};if(vd(s))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:yu.apply(void 0,e)}):(this.consumeBadUrlRemnants(),kd);if(34===s||39===s||40===s||Bd(s))return this.consumeBadUrlRemnants(),kd;if(92===s){if(!xd(s,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),kd;e.push(this.consumeEscapedCodePoint())}else e.push(s)}},e.prototype.consumeWhiteSpace=function(){for(;vd(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;xd(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=yu.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var s=this._value[i];if(-1===s||void 0===s||s===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===s)return this._value.splice(0,i),Nd;if(92===s){var r=this._value[i+1];-1!==r&&void 0!==r&&(10===r?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):xd(s,r)&&(t+=this.consumeStringSlice(i),t+=yu(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());md(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var s=this.peekCodePoint(1);if(46===i&&md(s))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;md(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),s=this.peekCodePoint(1);var r=this.peekCodePoint(2);if((69===i||101===i)&&((43===s||45===s)&&md(r)||md(s)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;md(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[Cd(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],s=this.peekCodePoint(0),r=this.peekCodePoint(1),o=this.peekCodePoint(2);return Pd(s,r,o)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===s?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(_d(e)){for(var t=yu(e);_d(this.peekCodePoint(0))&&t.length<6;)t+=yu(this.consumeCodePoint());vd(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(yd(t))e+=yu(t);else{if(!xd(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=yu(this.consumeEscapedCodePoint())}}},e}(),Jd=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new Xd;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||rp(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?Wd:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Yd=function(e){return 15===e.type},Zd=function(e){return 17===e.type},qd=function(e){return 20===e.type},$d=function(e){return 0===e.type},ep=function(e,t){return qd(e)&&e.value===t},tp=function(e){return 31!==e.type},ip=function(e){return 31!==e.type&&4!==e.type},sp=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},rp=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},op=function(e){return 17===e.type||15===e.type},np=function(e){return 16===e.type||op(e)},ap=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},lp={type:17,number:0,flags:4},Ap={type:16,number:50,flags:4},hp={type:16,number:100,flags:4},cp=function(e,t,i){var s=e[0],r=e[1];return[up(s,t),up(void 0!==r?r:s,i)]},up=function(e,t){if(16===e.type)return e.number/100*t;if(Yd(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},dp=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},pp=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},fp=function(e){switch(e.filter(qd).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[lp,lp];case"to top":case"bottom":return gp(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[lp,hp];case"to right":case"left":return gp(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[hp,hp];case"to bottom":case"top":return gp(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[hp,lp];case"to left":case"right":return gp(270)}return 0},gp=function(e){return Math.PI*e/180},mp=function(e,t){if(18===t.type){var i=wp[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color function "'+t.name+'"');return i(e,t.values)}if(5===t.type){if(3===t.value.length){var s=t.value.substring(0,1),r=t.value.substring(1,2),o=t.value.substring(2,3);return bp(parseInt(s+s,16),parseInt(r+r,16),parseInt(o+o,16),1)}if(4===t.value.length){s=t.value.substring(0,1),r=t.value.substring(1,2),o=t.value.substring(2,3);var n=t.value.substring(3,4);return bp(parseInt(s+s,16),parseInt(r+r,16),parseInt(o+o,16),parseInt(n+n,16)/255)}if(6===t.value.length){s=t.value.substring(0,2),r=t.value.substring(2,4),o=t.value.substring(4,6);return bp(parseInt(s,16),parseInt(r,16),parseInt(o,16),1)}if(8===t.value.length){s=t.value.substring(0,2),r=t.value.substring(2,4),o=t.value.substring(4,6),n=t.value.substring(6,8);return bp(parseInt(s,16),parseInt(r,16),parseInt(o,16),parseInt(n,16)/255)}}if(20===t.type){var a=Mp[t.value.toUpperCase()];if(void 0!==a)return a}return Mp.TRANSPARENT},_p=function(e){return 0==(255&e)},vp=function(e){var t=255&e,i=255&e>>8,s=255&e>>16,r=255&e>>24;return t<255?"rgba("+r+","+s+","+i+","+t/255+")":"rgb("+r+","+s+","+i+")"},bp=function(e,t,i,s){return(e<<24|t<<16|i<<8|Math.round(255*s)<<0)>>>0},yp=function(e,t){if(17===e.type)return e.number;if(16===e.type){var i=3===t?1:255;return 3===t?e.number/100*i:Math.round(e.number/100*i)}return 0},Bp=function(e,t){var i=t.filter(ip);if(3===i.length){var s=i.map(yp),r=s[0],o=s[1],n=s[2];return bp(r,o,n,1)}if(4===i.length){var a=i.map(yp),l=(r=a[0],o=a[1],n=a[2],a[3]);return bp(r,o,n,l)}return 0};function xp(e,t,i){return i<0&&(i+=1),i>=1&&(i-=1),i<1/6?(t-e)*i*6+e:i<.5?t:i<2/3?6*(t-e)*(2/3-i)+e:e}var Pp=function(e,t){var i=t.filter(ip),s=i[0],r=i[1],o=i[2],n=i[3],a=(17===s.type?gp(s.number):dp(e,s))/(2*Math.PI),l=np(r)?r.number/100:0,A=np(o)?o.number/100:0,h=void 0!==n&&np(n)?up(n,1):1;if(0===l)return bp(255*A,255*A,255*A,1);var c=A<=.5?A*(l+1):A+l-A*l,u=2*A-c,d=xp(u,c,a+1/3),p=xp(u,c,a),f=xp(u,c,a-1/3);return bp(255*d,255*p,255*f,h)},wp={hsl:Pp,hsla:Pp,rgb:Bp,rgba:Bp},Cp=function(e,t){return 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y_(i.left+P/2,i.top+y/2),this.topRightBorderStroke=r>0||o>0?C_(i.left+m,i.top+y/2,a-B/2,l-y/2,Zm.TOP_RIGHT):new y_(i.left+i.width-B/2,i.top+y/2),this.bottomRightBorderStroke=h>0||c>0?C_(i.left+v,i.top+_,h-B/2,c-x/2,Zm.BOTTOM_RIGHT):new y_(i.left+i.width-B/2,i.top+i.height-x/2),this.bottomLeftBorderStroke=d>0||p>0?C_(i.left+P/2,i.top+b,d-P/2,p-x/2,Zm.BOTTOM_LEFT):new y_(i.left+P/2,i.top+i.height-x/2),this.topLeftBorderBox=r>0||o>0?C_(i.left,i.top,r,o,Zm.TOP_LEFT):new y_(i.left,i.top),this.topRightBorderBox=a>0||l>0?C_(i.left+m,i.top,a,l,Zm.TOP_RIGHT):new y_(i.left+i.width,i.top),this.bottomRightBorderBox=h>0||c>0?C_(i.left+v,i.top+_,h,c,Zm.BOTTOM_RIGHT):new y_(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?C_(i.left,i.top+b,d,p,Zm.BOTTOM_LEFT):new y_(i.left,i.top+i.height),this.topLeftPaddingBox=r>0||o>0?C_(i.left+P,i.top+y,Math.max(0,r-P),Math.max(0,o-y),Zm.TOP_LEFT):new y_(i.left+P,i.top+y),this.topRightPaddingBox=a>0||l>0?C_(i.left+Math.min(m,i.width-B),i.top+y,m>i.width+B?0:Math.max(0,a-B),Math.max(0,l-y),Zm.TOP_RIGHT):new y_(i.left+i.width-B,i.top+y),this.bottomRightPaddingBox=h>0||c>0?C_(i.left+Math.min(v,i.width-P),i.top+Math.min(_,i.height-x),Math.max(0,h-B),Math.max(0,c-x),Zm.BOTTOM_RIGHT):new y_(i.left+i.width-B,i.top+i.height-x),this.bottomLeftPaddingBox=d>0||p>0?C_(i.left+P,i.top+Math.min(b,i.height-x),Math.max(0,d-P),Math.max(0,p-x),Zm.BOTTOM_LEFT):new y_(i.left+P,i.top+i.height-x),this.topLeftContentBox=r>0||o>0?C_(i.left+P+E,i.top+y+w,Math.max(0,r-(P+E)),Math.max(0,o-(y+w)),Zm.TOP_LEFT):new y_(i.left+P+E,i.top+y+w),this.topRightContentBox=a>0||l>0?C_(i.left+Math.min(m,i.width+P+E),i.top+y+w,m>i.width+P+E?0:a-P+E,l-(y+w),Zm.TOP_RIGHT):new y_(i.left+i.width-(B+C),i.top+y+w),this.bottomRightContentBox=h>0||c>0?C_(i.left+Math.min(v,i.width-(P+E)),i.top+Math.min(_,i.height+y+w),Math.max(0,h-(B+C)),c-(x+M),Zm.BOTTOM_RIGHT):new y_(i.left+i.width-(B+C),i.top+i.height-(x+M)),this.bottomLeftContentBox=d>0||p>0?C_(i.left+P+E,i.top+b,Math.max(0,d-(P+E)),p-(x+M),Zm.BOTTOM_LEFT):new y_(i.left+P+E,i.top+i.height-(x+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(Zm||(Zm={}));var C_=function(e,t,i,s,r){var o=(Math.sqrt(2)-1)/3*4,n=i*o,a=s*o,l=e+i,A=t+s;switch(r){case Zm.TOP_LEFT:return new x_(new y_(e,A),new y_(e,A-a),new y_(l-n,t),new y_(l,t));case Zm.TOP_RIGHT:return new x_(new y_(e,t),new y_(e+n,t),new y_(l,A-a),new y_(l,A));case Zm.BOTTOM_RIGHT:return new x_(new y_(l,t),new y_(l,t+a),new y_(e+n,A),new y_(e,A));case Zm.BOTTOM_LEFT:default:return new x_(new y_(l,A),new y_(l-n,A),new y_(e,t+a),new y_(e,t))}},M_=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},E_=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},F_=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},I_=function(e,t){this.path=e,this.target=t,this.type=1},D_=function(e){this.opacity=e,this.type=2,this.target=6},S_=function(e){return 1===e.type},T_=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},R_=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},L_=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new w_(this.container),this.container.styles.opacity<1&&this.effects.push(new D_(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,s=this.container.bounds.top+this.container.styles.transformOrigin[1].number,r=this.container.styles.transform;this.effects.push(new F_(i,s,r))}if(0!==this.container.styles.overflowX){var o=M_(this.curves),n=E_(this.curves);T_(o,n)?this.effects.push(new I_(o,6)):(this.effects.push(new I_(o,2)),this.effects.push(new I_(n,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,s=this.effects.slice(0);i;){var r=i.effects.filter((function(e){return!S_(e)}));if(t||0!==i.container.styles.position||!i.parent){if(s.unshift.apply(s,r),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var o=M_(i.curves),n=E_(i.curves);T_(o,n)||s.unshift(new I_(n,6))}}else s.unshift.apply(s,r);i=i.parent}return s.filter((function(t){return ag(t.target,e)}))},e}(),U_=function(e,t,i,s){e.container.elements.forEach((function(r){var o=ag(r.flags,4),n=ag(r.flags,2),a=new L_(r,e);ag(r.styles.display,2048)&&s.push(a);var l=ag(r.flags,8)?[]:s;if(o||n){var A=o||r.styles.isPositioned()?i:t,h=new R_(a);if(r.styles.isPositioned()||r.styles.opacity<1||r.styles.isTransformed()){var c=r.styles.zIndex.order;if(c<0){var u=0;A.negativeZIndex.some((function(e,t){return c>e.element.container.styles.zIndex.order?(u=t,!1):u>0})),A.negativeZIndex.splice(u,0,h)}else if(c>0){var d=0;A.positiveZIndex.some((function(e,t){return c>=e.element.container.styles.zIndex.order?(d=t+1,!1):d>0})),A.positiveZIndex.splice(d,0,h)}else A.zeroOrAutoZIndexOrTransformedOrOpacity.push(h)}else r.styles.isFloating()?A.nonPositionedFloats.push(h):A.nonPositionedInlineLevel.push(h);U_(a,h,o?h:i,l)}else r.styles.isInlineLevel()?t.inlineLevel.push(a):t.nonInlineLevel.push(a),U_(a,t,i,l);ag(r.flags,8)&&O_(r,l)}))},O_=function(e,t){for(var i=e instanceof am?e.start:1,s=e instanceof am&&e.reversed,r=0;r<t.length;r++){var o=t[r];o.container instanceof nm&&"number"==typeof o.container.value&&0!==o.container.value&&(i=o.container.value),o.listValue=Jm(i,o.container.styles.listStyleType,!0),i+=s?-1:1}},k_=function(e,t){switch(t){case 0:return Q_(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return Q_(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return Q_(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return Q_(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},N_=function(e,t){var i=[];return P_(e)?i.push(e.subdivide(.5,!1)):i.push(e),P_(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},Q_=function(e,t,i,s){var r=[];return P_(e)?r.push(e.subdivide(.5,!1)):r.push(e),P_(i)?r.push(i.subdivide(.5,!0)):r.push(i),P_(s)?r.push(s.subdivide(.5,!0).reverse()):r.push(s),P_(t)?r.push(t.subdivide(.5,!1).reverse()):r.push(t),r},V_=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},H_=function(e){var t=e.styles,i=e.bounds,s=up(t.paddingLeft,i.width),r=up(t.paddingRight,i.width),o=up(t.paddingTop,i.width),n=up(t.paddingBottom,i.width);return i.add(s+t.borderLeftWidth,o+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+s+r),-(t.borderTopWidth+t.borderBottomWidth+o+n))},j_=function(e,t,i){var s=function(e,t){return 0===e?t.bounds:2===e?H_(t):V_(t)}(W_(e.styles.backgroundOrigin,t),e),r=function(e,t){return 0===e?t.bounds:2===e?H_(t):V_(t)}(W_(e.styles.backgroundClip,t),e),o=K_(W_(e.styles.backgroundSize,t),i,s),n=o[0],a=o[1],l=cp(W_(e.styles.backgroundPosition,t),s.width-n,s.height-a);return[X_(W_(e.styles.backgroundRepeat,t),l,o,s,r),Math.round(s.left+l[0]),Math.round(s.top+l[1]),n,a]},G_=function(e){return qd(e)&&e.value===kp.AUTO},z_=function(e){return"number"==typeof e},K_=function(e,t,i){var s=t[0],r=t[1],o=t[2],n=e[0],a=e[1];if(!n)return[0,0];if(np(n)&&a&&np(a))return[up(n,i.width),up(a,i.height)];var l=z_(o);if(qd(n)&&(n.value===kp.CONTAIN||n.value===kp.COVER))return z_(o)?i.width/i.height<o!=(n.value===kp.COVER)?[i.width,i.width/o]:[i.height*o,i.height]:[i.width,i.height];var A=z_(s),h=z_(r),c=A||h;if(G_(n)&&(!a||G_(a)))return A&&h?[s,r]:l||c?c&&l?[A?s:r*o,h?r:s/o]:[A?s:i.width,h?r:i.height]:[i.width,i.height];if(l){var u=0,d=0;return np(n)?u=up(n,i.width):np(a)&&(d=up(a,i.height)),G_(n)?u=d*o:a&&!G_(a)||(d=u/o),[u,d]}var p=null,f=null;if(np(n)?p=up(n,i.width):a&&np(a)&&(f=up(a,i.height)),null===p||a&&!G_(a)||(f=A&&h?p/s*r:i.height),null!==f&&G_(n)&&(p=A&&h?f/r*s:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},W_=function(e,t){var i=e[t];return void 0===i?e[0]:i},X_=function(e,t,i,s,r){var o=t[0],n=t[1],a=i[0],l=i[1];switch(e){case 2:return[new y_(Math.round(s.left),Math.round(s.top+n)),new y_(Math.round(s.left+s.width),Math.round(s.top+n)),new y_(Math.round(s.left+s.width),Math.round(l+s.top+n)),new y_(Math.round(s.left),Math.round(l+s.top+n))];case 3:return[new y_(Math.round(s.left+o),Math.round(s.top)),new y_(Math.round(s.left+o+a),Math.round(s.top)),new y_(Math.round(s.left+o+a),Math.round(s.height+s.top)),new y_(Math.round(s.left+o),Math.round(s.height+s.top))];case 1:return[new y_(Math.round(s.left+o),Math.round(s.top+n)),new y_(Math.round(s.left+o+a),Math.round(s.top+n)),new y_(Math.round(s.left+o+a),Math.round(s.top+n+l)),new y_(Math.round(s.left+o),Math.round(s.top+n+l))];default:return[new y_(Math.round(r.left),Math.round(r.top)),new y_(Math.round(r.left+r.width),Math.round(r.top)),new y_(Math.round(r.left+r.width),Math.round(r.height+r.top)),new y_(Math.round(r.left),Math.round(r.height+r.top))]}},J_=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),s=this._document.createElement("img"),r=this._document.createElement("span"),o=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",o.appendChild(i),s.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",s.width=1,s.height=1,s.style.margin="0",s.style.padding="0",s.style.verticalAlign="baseline",r.style.fontFamily=e,r.style.fontSize=t,r.style.margin="0",r.style.padding="0",r.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(r),i.appendChild(s);var n=s.offsetTop-r.offsetTop+2;i.removeChild(r),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",s.style.verticalAlign="super";var a=s.offsetTop-i.offsetTop+2;return o.removeChild(i),{baseline:n,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),Y_=function(e,t){this.context=e,this.options=t},Z_=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s._activeEffects=[],s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),i.canvas||(s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px"),s.fontMetrics=new J_(document),s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.ctx.textBaseline="bottom",s._activeEffects=[],s.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),s}return du(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),S_(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return fu(this,void 0,void 0,(function(){return gu(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return fu(this,void 0,void 0,(function(){return gu(this,(function(t){switch(t.label){case 0:return ag(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var s=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):Jg(e.text).reduce((function(t,r){return s.ctx.fillText(r,t,e.bounds.top+i),t+s.ctx.measureText(r).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=iv(e.fontFamily).join(", "),s=Yd(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,s,i].join(" "),i,s]},t.prototype.renderTextNode=function(e,t){return fu(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h=this;return gu(this,(function(c){return i=this.createFontStyle(t),s=i[0],r=i[1],o=i[2],this.ctx.font=s,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",n=this.fontMetrics.getMetrics(r,o),a=n.baseline,l=n.middle,A=t.paintOrder,e.textBounds.forEach((function(e){A.forEach((function(i){switch(i){case 0:h.ctx.fillStyle=vp(t.color),h.renderTextWithLetterSpacing(e,t.letterSpacing,a);var s=t.textShadow;s.length&&e.text.trim().length&&(s.slice(0).reverse().forEach((function(i){h.ctx.shadowColor=vp(i.color),h.ctx.shadowOffsetX=i.offsetX.number*h.options.scale,h.ctx.shadowOffsetY=i.offsetY.number*h.options.scale,h.ctx.shadowBlur=i.blur.number,h.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),h.ctx.shadowColor="",h.ctx.shadowOffsetX=0,h.ctx.shadowOffsetY=0,h.ctx.shadowBlur=0),t.textDecorationLine.length&&(h.ctx.fillStyle=vp(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:h.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(h.ctx.strokeStyle=vp(t.webkitTextStrokeColor),h.ctx.lineWidth=t.webkitTextStrokeWidth,h.ctx.lineJoin=window.chrome?"miter":"round",h.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),h.ctx.strokeStyle="",h.ctx.lineWidth=0,h.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var s=H_(e),r=E_(t);this.path(r),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,s.left,s.top,s.width,s.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return fu(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v;return gu(this,(function(b){switch(b.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,s=e.curves,r=i.styles,o=0,n=i.textNodes,b.label=1;case 1:return o<n.length?(a=n[o],[4,this.renderTextNode(a,r)]):[3,4];case 2:b.sent(),b.label=3;case 3:return o++,[3,1];case 4:if(!(i instanceof sm))return[3,8];b.label=5;case 5:return b.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,8];case 7:return b.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof rm&&this.renderReplacedElement(i,s,i.canvas),!(i instanceof om))return[3,12];b.label=9;case 9:return b.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,12];case 11:return b.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof pm&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=b.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),b.label=14;case 14:if(i instanceof cm&&(A=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new y_(i.bounds.left+.39363*A,i.bounds.top+.79*A),new y_(i.bounds.left+.16*A,i.bounds.top+.5549*A),new y_(i.bounds.left+.27347*A,i.bounds.top+.44071*A),new y_(i.bounds.left+.39694*A,i.bounds.top+.5649*A),new y_(i.bounds.left+.72983*A,i.bounds.top+.23*A),new y_(i.bounds.left+.84*A,i.bounds.top+.34085*A),new y_(i.bounds.left+.39363*A,i.bounds.top+.79*A)]),this.ctx.fillStyle=vp(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+A/2,i.bounds.top+A/2,A/4,0,2*Math.PI,!0),this.ctx.fillStyle=vp(707406591),this.ctx.fill(),this.ctx.restore())),q_(i)&&i.value.length){switch(h=this.createFontStyle(r),_=h[0],c=h[1],u=this.fontMetrics.getMetrics(_,c).baseline,this.ctx.font=_,this.ctx.fillStyle=vp(r.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=ev(i.styles.textAlign),v=H_(i),d=0,i.styles.textAlign){case 1:d+=v.width/2;break;case 2:d+=v.width}p=v.add(d,0,0,-v.height/2+1),this.ctx.save(),this.path([new y_(v.left,v.top),new y_(v.left+v.width,v.top),new y_(v.left+v.width,v.top+v.height),new y_(v.left,v.top+v.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new Kg(i.value,p),r.letterSpacing,u),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!ag(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];g=void 0,m=f.url,b.label=15;case 15:return b.trys.push([15,17,,18]),[4,this.context.cache.match(m)];case 16:return g=b.sent(),this.ctx.drawImage(g,i.bounds.left-(g.width+10),i.bounds.top),[3,18];case 17:return b.sent(),this.context.logger.error("Error loading list-style-image "+m),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(_=this.createFontStyle(r)[0],this.ctx.font=_,this.ctx.fillStyle=vp(r.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",v=new _u(i.bounds.left,i.bounds.top+up(i.styles.paddingTop,i.bounds.width),i.bounds.width,Pf(r.lineHeight,r.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new Kg(e.listValue,v),r.letterSpacing,Pf(r.lineHeight,r.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),b.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return fu(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A,h,c,u,d,p,f;return gu(this,(function(g){switch(g.label){case 0:return ag(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:g.sent(),t=0,i=e.negativeZIndex,g.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:g.sent(),g.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:g.sent(),s=0,r=e.nonInlineLevel,g.label=7;case 7:return s<r.length?(f=r[s],[4,this.renderNode(f)]):[3,10];case 8:g.sent(),g.label=9;case 9:return s++,[3,7];case 10:o=0,n=e.nonPositionedFloats,g.label=11;case 11:return o<n.length?(f=n[o],[4,this.renderStack(f)]):[3,14];case 12:g.sent(),g.label=13;case 13:return o++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,g.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:g.sent(),g.label=17;case 17:return a++,[3,15];case 18:A=0,h=e.inlineLevel,g.label=19;case 19:return A<h.length?(f=h[A],[4,this.renderNode(f)]):[3,22];case 20:g.sent(),g.label=21;case 21:return A++,[3,19];case 22:c=0,u=e.zeroOrAutoZIndexOrTransformedOrOpacity,g.label=23;case 23:return c<u.length?(f=u[c],[4,this.renderStack(f)]):[3,26];case 24:g.sent(),g.label=25;case 25:return c++,[3,23];case 26:d=0,p=e.positiveZIndex,g.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:g.sent(),g.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var s=P_(e)?e.start:e;0===i?t.ctx.moveTo(s.x,s.y):t.ctx.lineTo(s.x,s.y),P_(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,s){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,s),this.ctx.fill(),this.ctx.translate(-i,-s)},t.prototype.resizeImage=function(e,t,i){var s;if(e.width===t&&e.height===i)return e;var r=(null!==(s=this.canvas.ownerDocument)&&void 0!==s?s:document).createElement("canvas");return r.width=Math.max(1,t),r.height=Math.max(1,i),r.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),r},t.prototype.renderBackgroundImage=function(e){return fu(this,void 0,void 0,(function(){var t,i,s,r,o,n;return gu(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,x,P,w,C,M,E,F,I,D,S,T,R;return gu(this,(function(L){switch(L.label){case 0:if(0!==i.type)return[3,5];r=void 0,o=i.url,L.label=1;case 1:return L.trys.push([1,3,,4]),[4,s.context.cache.match(o)];case 2:return r=L.sent(),[3,4];case 3:return L.sent(),s.context.logger.error("Error loading background-image "+o),[3,4];case 4:return r&&(n=j_(e,t,[r.width,r.height,r.width/r.height]),v=n[0],w=n[1],C=n[2],B=n[3],x=n[4],m=s.ctx.createPattern(s.resizeImage(r,B,x),"repeat"),s.renderRepeat(v,m,w,C)),[3,6];case 5:1===i.type?(a=j_(e,t,[null,null,null]),v=a[0],w=a[1],C=a[2],B=a[3],x=a[4],l=Sp(i.angle,B,x),A=l[0],h=l[1],c=l[2],u=l[3],d=l[4],(p=document.createElement("canvas")).width=B,p.height=x,f=p.getContext("2d"),g=f.createLinearGradient(h,u,c,d),Dp(i.stops,A).forEach((function(e){return g.addColorStop(e.stop,vp(e.color))})),f.fillStyle=g,f.fillRect(0,0,B,x),B>0&&x>0&&(m=s.ctx.createPattern(p,"repeat"),s.renderRepeat(v,m,w,C))):function(e){return 2===e.type}(i)&&(_=j_(e,t,[null,null,null]),v=_[0],b=_[1],y=_[2],B=_[3],x=_[4],P=0===i.position.length?[Ap]:i.position,w=up(P[0],B),C=up(P[P.length-1],x),M=function(e,t,i,s,r){var o=0,n=0;switch(e.size){case 0:0===e.shape?o=n=Math.min(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.min(Math.abs(t),Math.abs(t-s)),n=Math.min(Math.abs(i),Math.abs(i-r)));break;case 2:if(0===e.shape)o=n=Math.min(Tp(t,i),Tp(t,i-r),Tp(t-s,i),Tp(t-s,i-r));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-r))/Math.min(Math.abs(t),Math.abs(t-s)),l=Rp(s,r,t,i,!0),A=l[0],h=l[1];n=a*(o=Tp(A-t,(h-i)/a))}break;case 1:0===e.shape?o=n=Math.max(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.max(Math.abs(t),Math.abs(t-s)),n=Math.max(Math.abs(i),Math.abs(i-r)));break;case 3:if(0===e.shape)o=n=Math.max(Tp(t,i),Tp(t,i-r),Tp(t-s,i),Tp(t-s,i-r));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-r))/Math.max(Math.abs(t),Math.abs(t-s));var c=Rp(s,r,t,i,!1);A=c[0],h=c[1],n=a*(o=Tp(A-t,(h-i)/a))}}return Array.isArray(e.size)&&(o=up(e.size[0],s),n=2===e.size.length?up(e.size[1],r):o),[o,n]}(i,w,C,B,x),E=M[0],F=M[1],E>0&&F>0&&(I=s.ctx.createRadialGradient(b+w,y+C,0,b+w,y+C,E),Dp(i.stops,2*E).forEach((function(e){return I.addColorStop(e.stop,vp(e.color))})),s.path(v),s.ctx.fillStyle=I,E!==F?(D=e.bounds.left+.5*e.bounds.width,S=e.bounds.top+.5*e.bounds.height,R=1/(T=F/E),s.ctx.save(),s.ctx.translate(D,S),s.ctx.transform(1,0,0,T,0,0),s.ctx.translate(-D,-S),s.ctx.fillRect(b,R*(y-S)+S,B,x*R),s.ctx.restore()):s.ctx.fill())),L.label=6;case 6:return t--,[2]}}))},s=this,r=0,o=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return r<o.length?(n=o[r],[5,i(n)]):[3,4];case 2:a.sent(),a.label=3;case 3:return r++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return fu(this,void 0,void 0,(function(){return gu(this,(function(s){return this.path(k_(i,t)),this.ctx.fillStyle=vp(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,s){return fu(this,void 0,void 0,(function(){var r,o;return gu(this,(function(n){switch(n.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,s)]:[3,2];case 1:return n.sent(),[2];case 2:return r=function(e,t){switch(t){case 0:return Q_(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return Q_(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return Q_(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return Q_(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(s,i),this.path(r),this.ctx.fillStyle=vp(e),this.ctx.fill(),o=function(e,t){switch(t){case 0:return Q_(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return Q_(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return Q_(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return Q_(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(s,i),this.path(o),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return fu(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A=this;return gu(this,(function(h){switch(h.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!_p(t.backgroundColor)||t.backgroundImage.length,s=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],r=$_(W_(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(r),this.ctx.clip(),_p(t.backgroundColor)||(this.ctx.fillStyle=vp(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:h.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){A.ctx.save();var i,s,r,o,n,a=M_(e.curves),l=t.inset?0:1e4,h=(i=a,s=-l+(t.inset?1:-1)*t.spread.number,r=(t.inset?1:-1)*t.spread.number,o=t.spread.number*(t.inset?-2:2),n=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(s,r);case 1:return e.add(s+o,r);case 2:return e.add(s+o,r+n);case 3:return e.add(s,r+n)}return e})));t.inset?(A.path(a),A.ctx.clip(),A.mask(h)):(A.mask(a),A.ctx.clip(),A.path(h)),A.ctx.shadowOffsetX=t.offsetX.number+l,A.ctx.shadowOffsetY=t.offsetY.number,A.ctx.shadowColor=vp(t.color),A.ctx.shadowBlur=t.blur.number,A.ctx.fillStyle=t.inset?vp(t.color):"rgba(0,0,0,1)",A.ctx.fill(),A.ctx.restore()})),h.label=2;case 2:o=0,n=0,a=s,h.label=3;case 3:return n<a.length?0!==(l=a[n]).style&&!_p(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,2)]:[3,11]:[3,13];case 4:return h.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,3)];case 6:return h.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,o,e.curves)];case 8:return h.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,o,e.curves)];case 10:h.sent(),h.label=11;case 11:o++,h.label=12;case 12:return n++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,s,r){return fu(this,void 0,void 0,(function(){var o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b;return gu(this,(function(y){return this.ctx.save(),o=function(e,t){switch(t){case 0:return N_(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return N_(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return N_(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return N_(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(s,i),n=k_(s,i),2===r&&(this.path(n),this.ctx.clip()),P_(n[0])?(a=n[0].start.x,l=n[0].start.y):(a=n[0].x,l=n[0].y),P_(n[1])?(A=n[1].end.x,h=n[1].end.y):(A=n[1].x,h=n[1].y),c=0===i||2===i?Math.abs(a-A):Math.abs(l-h),this.ctx.beginPath(),3===r?this.formatPath(o):this.formatPath(n.slice(0,2)),u=t<3?3*t:2*t,d=t<3?2*t:t,3===r&&(u=t,d=t),p=!0,c<=2*u?p=!1:c<=2*u+d?(u*=f=c/(2*u+d),d*=f):(g=Math.floor((c+d)/(u+d)),m=(c-g*u)/(g-1),d=(_=(c-(g+1)*u)/g)<=0||Math.abs(d-m)<Math.abs(d-_)?m:_),p&&(3===r?this.ctx.setLineDash([0,u+d]):this.ctx.setLineDash([u,d])),3===r?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=vp(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===r&&(P_(n[0])&&(v=n[3],b=n[0],this.ctx.beginPath(),this.formatPath([new y_(v.end.x,v.end.y),new y_(b.start.x,b.start.y)]),this.ctx.stroke()),P_(n[1])&&(v=n[1],b=n[2],this.ctx.beginPath(),this.formatPath([new y_(v.end.x,v.end.y),new y_(b.start.x,b.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return fu(this,void 0,void 0,(function(){var t;return gu(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=vp(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),s=new L_(e,null),r=new R_(s),U_(s,r,r,o=[]),O_(s.container,o),t=r,[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}var s,r,o}))}))},t}(Y_),q_=function(e){return e instanceof dm||(e instanceof um||e instanceof cm&&"radio"!==e.type&&"checkbox"!==e.type)},$_=function(e,t){switch(e){case 0:return M_(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return E_(t)}},ev=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},tv=["-apple-system","system-ui"],iv=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===tv.indexOf(e)})):e},sv=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),s.options=i,s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px",s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),s}return du(t,e),t.prototype.render=function(e){return fu(this,void 0,void 0,(function(){var t,i;return gu(this,(function(s){switch(s.label){case 0:return 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function(e,t=null){!function(e){for(const t in e||fB)return!1;return!0}(t)&&gB||(t=null);if(t)try{return await createImageBitmap(e,t)}catch(e){console.warn(e),gB=!1}return await createImageBitmap(e)}(s,r)}function _B(e){const t=vB(e);return function(e){const t=vB(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){const t=vB(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;const{tableMarkers:i,sofMarkers:s}=function(){const e=new Set([65499,65476,65484,65501,65534]);for(let t=65504;t<65520;++t)e.add(t);const t=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:t}}();let r=2;for(;r+9<t.byteLength;){const e=t.getUint16(r,false);if(s.has(e))return{mimeType:"image/jpeg",height:t.getUint16(r+5,false),width:t.getUint16(r+7,false)};if(!i.has(e))return null;r+=2,r+=t.getUint16(r,false)}return null}(t)||function(e){const t=vB(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){const t=vB(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function vB(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}const bB={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:async function(e,t,i){const s=((t=t||{}).image||{}).type||"auto",{url:r}=i||{};let o;switch(function(e){switch(e){case"auto":case"data":return function(){if(nB)return"imagebitmap";if(oB)return"image";if(lB)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return nB||oB||lB;case"imagebitmap":return nB;case"image":return oB;case"data":return lB;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}(s)){case"imagebitmap":o=await mB(e,t,r);break;case"image":o=await pB(e,t,r);break;case"data":o=await async function(e,t){const{mimeType:i}=_B(e)||{},s=globalThis._parseImageNode;return hv(s),await s(e,i)}(e);break;default:hv(!1)}return"data"===s&&(o=function(e){switch(AB(e)){case"data":return e;case"image":case"imagebitmap":const t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}(o)),o},tests:[e=>Boolean(_B(new DataView(e)))],options:{image:{type:"auto",decode:!0}}},yB=["image/png","image/jpeg","image/gif"],BB={};function xB(e){return void 0===BB[e]&&(BB[e]=function(e){switch(e){case"image/webp":return function(){if(!cv)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch{return!1}}();case"image/svg":return cv;default:if(!cv){const{_parseImageNode:t}=globalThis;return Boolean(t)&&yB.includes(e)}return!0}}(e)),BB[e]}function PB(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function wB(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;const i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}const CB=["SCALAR","VEC2","VEC3","VEC4"],MB=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],EB=new Map(MB),FB={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},IB={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},DB={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function SB(e){return CB[e-1]||CB[0]}function TB(e){const t=EB.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function RB(e,t){const i=DB[e.componentType],s=FB[e.type],r=IB[e.componentType],o=e.count*s,n=e.count*s*r;return PB(n>=0&&n<=t.byteLength),{ArrayType:i,length:o,byteLength:n}}const LB={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]};class UB{constructor(e){bv(this,"gltf",void 0),bv(this,"sourceBuffers",void 0),bv(this,"byteLength",void 0),this.gltf=e||{json:{...LB},buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}get json(){return this.gltf.json}getApplicationData(e){return this.json[e]}getExtraData(e){return(this.json.extras||{})[e]}getExtension(e){const t=this.getUsedExtensions().find((t=>t===e)),i=this.json.extensions||{};return t?i[e]||!0:null}getRequiredExtension(e){const t=this.getRequiredExtensions().find((t=>t===e));return t?this.getExtension(e):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getObjectExtension(e,t){return(e.extensions||{})[t]}getScene(e){return this.getObject("scenes",e)}getNode(e){return this.getObject("nodes",e)}getSkin(e){return this.getObject("skins",e)}getMesh(e){return this.getObject("meshes",e)}getMaterial(e){return this.getObject("materials",e)}getAccessor(e){return this.getObject("accessors",e)}getTexture(e){return this.getObject("textures",e)}getSampler(e){return this.getObject("samplers",e)}getImage(e){return this.getObject("images",e)}getBufferView(e){return this.getObject("bufferViews",e)}getBuffer(e){return this.getObject("buffers",e)}getObject(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}getTypedArrayForBufferView(e){const t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];PB(i);const s=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,s,e.byteLength)}getTypedArrayForAccessor(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,{ArrayType:s,length:r}=RB(e,t);return new s(i,t.byteOffset+e.byteOffset,r)}getTypedArrayForImageData(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,s=t.byteOffset||0;return new Uint8Array(i,s,t.byteLength)}addApplicationData(e,t){return this.json[e]=t,this}addExtraData(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}addObjectExtension(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}setObjectExtension(e,t,i){(e.extensions||{})[t]=i}removeObjectExtension(e,t){const i=e.extensions||{},s=i[t];return delete i[t],s}addExtension(e,t={}){return PB(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}addRequiredExtension(e,t={}){return PB(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}registerUsedExtension(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((t=>t===e))||this.json.extensionsUsed.push(e)}registerRequiredExtension(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((t=>t===e))||this.json.extensionsRequired.push(e)}removeExtension(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}setDefaultScene(e){this.json.scene=e}addScene(e){const{nodeIndices:t}=e;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}addNode(e){const{meshIndex:t,matrix:i}=e;this.json.nodes=this.json.nodes||[];const s={mesh:t};return i&&(s.matrix=i),this.json.nodes.push(s),this.json.nodes.length-1}addMesh(e){const{attributes:t,indices:i,material:s,mode:r=4}=e,o={primitives:[{attributes:this._addAttributes(t),mode:r}]};if(i){const e=this._addIndices(i);o.primitives[0].indices=e}return Number.isFinite(s)&&(o.primitives[0].material=s),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}addPointCloud(e){const t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}addImage(e,t){const i=_B(e),s=t||(null==i?void 0:i.mimeType),r={bufferView:this.addBufferView(e),mimeType:s};return this.json.images=this.json.images||[],this.json.images.push(r),this.json.images.length-1}addBufferView(e){const t=e.byteLength;PB(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);const i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=jv(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}addAccessor(e,t){const i={bufferView:e,type:SB(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}addBinaryBuffer(e,t={size:3}){const i=this.addBufferView(e);let s={min:t.min,max:t.max};s.min&&s.max||(s=this._getAccessorMinMax(e,t.size));const r={size:t.size,componentType:TB(e),count:Math.round(e.length/t.size),min:s.min,max:s.max};return this.addAccessor(i,Object.assign(r,t))}addTexture(e){const{imageIndex:t}=e,i={source:t};return this.json.textures=this.json.textures||[],this.json.textures.push(i),this.json.textures.length-1}addMaterial(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}createBinaryChunk(){var e,t;this.gltf.buffers=[];const i=this.byteLength,s=new ArrayBuffer(i),r=new Uint8Array(s);let o=0;for(const e of this.sourceBuffers||[])o=Gv(e,r,o);null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=i:this.json.buffers=[{byteLength:i}],this.gltf.binary=s,this.sourceBuffers=[s]}_removeStringFromArray(e,t){let i=!0;for(;i;){const s=e.indexOf(t);s>-1?e.splice(s,1):i=!1}}_addAttributes(e={}){const t={};for(const i in e){const s=e[i],r=this._getGltfAttributeName(i),o=this.addBinaryBuffer(s.value,s);t[r]=o}return t}_addIndices(e){return this.addBinaryBuffer(e,{size:1})}_getGltfAttributeName(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}_getAccessorMinMax(e,t){const i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];const s=e.subarray(0,t);for(const e of s)i.min.push(e),i.max.push(e);for(let s=t;s<e.length;s+=t)for(let r=0;r<t;r++)i.min[0+r]=Math.min(i.min[0+r],e[s+r]),i.max[0+r]=Math.max(i.max[0+r],e[s+r]);return i}}const OB="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",kB="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",NB=new 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0)}function vx(e){const t=new Map;for(const i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}const bx={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},yx={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};class Bx{constructor(e){bv(this,"draco",void 0),bv(this,"decoder",void 0),bv(this,"metadataQuerier",void 0),this.draco=e,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(e,t={}){const i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);const s=this.decoder.GetEncodedGeometryType(i),r=s===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let e;switch(s){case this.draco.TRIANGULAR_MESH:e=this.decoder.DecodeBufferToMesh(i,r);break;case this.draco.POINT_CLOUD:e=this.decoder.DecodeBufferToPointCloud(i,r);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!e.ok()||!r.ptr){const t="DRACO decompression failed: ".concat(e.error_msg());throw new Error(t)}const o=this._getDracoLoaderData(r,s,t),n=this._getMeshData(r,o,t),a=function(e){let t=1/0,i=1/0,s=1/0,r=-1/0,o=-1/0,n=-1/0;const a=e.POSITION?e.POSITION.value:[],l=a&&a.length;for(let e=0;e<l;e+=3){const l=a[e],A=a[e+1],h=a[e+2];t=l<t?l:t,i=A<i?A:i,s=h<s?h:s,r=l>r?l:r,o=A>o?A:o,n=h>n?h:n}return[[t,i,s],[r,o,n]]}(n.attributes),l=function(e,t,i){const s=vx(t.metadata),r=[],o=function(e){const t={};for(const i in e){const s=e[i];t[s.name||"undefined"]=s}return t}(t.attributes);for(const t in e){const i=_x(t,e[t],o[t]);r.push(i)}if(i){const e=_x("indices",i);r.push(e)}return new YB(r,s)}(n.attributes,o,n.indices);return{loader:"draco",loaderData:o,header:{vertexCount:r.num_points(),boundingBox:a},...n,schema:l}}finally{this.draco.destroy(i),r&&this.draco.destroy(r)}}_getDracoLoaderData(e,t,i){const s=this._getTopLevelMetadata(e),r=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:s,attributes:r}}_getDracoAttributes(e,t){const i={};for(let s=0;s<e.num_attributes();s++){const r=this.decoder.GetAttribute(e,s),o=this._getAttributeMetadata(e,s);i[r.unique_id()]={unique_id:r.unique_id(),attribute_type:r.attribute_type(),data_type:r.data_type(),num_components:r.num_components(),byte_offset:r.byte_offset(),byte_stride:r.byte_stride(),normalized:r.normalized(),attribute_index:s,metadata:o};const n=this._getQuantizationTransform(r,t);n&&(i[r.unique_id()].quantization_transform=n);const a=this._getOctahedronTransform(r,t);a&&(i[r.unique_id()].octahedron_transform=a)}return i}_getMeshData(e,t,i){const s=this._getMeshAttributes(t,e,i);if(!s.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:s,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:s,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:s}}_getMeshAttributes(e,t,i){const s={};for(const r of Object.values(e.attributes)){const e=this._deduceAttributeName(r,i);r.name=e;const{value:o,size:n}=this._getAttributeValues(t,r);s[e]={value:o,size:n,byteOffset:r.byte_offset,byteStride:r.byte_stride,normalized:r.normalized}}return s}_getTriangleListIndices(e){const t=3*e.num_faces(),i=4*t,s=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,s),new Uint32Array(this.draco.HEAPF32.buffer,s,t).slice()}finally{this.draco._free(s)}}_getTriangleStripIndices(e){const t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(t)}finally{this.draco.destroy(t)}}_getAttributeValues(e,t){const i=yx[t.data_type],s=t.num_components,r=e.num_points()*s,o=r*i.BYTES_PER_ELEMENT,n=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,i);let a;const l=this.draco._malloc(o);try{const s=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,s,n,o,l),a=new i(this.draco.HEAPF32.buffer,l,r).slice()}finally{this.draco._free(l)}return{value:a,size:s}}_deduceAttributeName(e,t){const i=e.unique_id;for(const[e,s]of Object.entries(t.extraAttributes||{}))if(s===i)return e;const s=e.attribute_type;for(const e in bx){if(this.draco[e]===s)return bx[e]}const r=t.attributeNameEntry||"name";return e.metadata[r]?e.metadata[r].string:"CUSTOM_ATTRIBUTE_".concat(i)}_getTopLevelMetadata(e){const t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}_getAttributeMetadata(e,t){const i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}_getDracoMetadata(e){if(!e||!e.ptr)return{};const t={},i=this.metadataQuerier.NumEntries(e);for(let s=0;s<i;s++){const i=this.metadataQuerier.GetEntryName(e,s);t[i]=this._getDracoMetadataField(e,i)}return t}_getDracoMetadataField(e,t){const i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);const s=function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:s}}finally{this.draco.destroy(i)}}_disableAttributeTransforms(e){const{quantizedAttributes:t=[],octahedronAttributes:i=[]}=e,s=[...t,...i];for(const e of s)this.decoder.SkipAttributeTransform(this.draco[e])}_getQuantizationTransform(e,t){const{quantizedAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits(),range:t.range(),min_values:new Float32Array([1,2,3]).map((e=>t.min_value(e)))}}finally{this.draco.destroy(t)}}return null}_getOctahedronTransform(e,t){const{octahedronAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits()}}finally{this.draco.destroy(t)}}return null}}const xx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),Px="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),wx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");let Cx;async function Mx(e){const t=e.modules||{};return Cx=t.draco3d?Cx||t.draco3d.createDecoderModule({}).then((e=>({draco:e}))):Cx||async function(e){let t,i;if("js"===(e.draco&&e.draco.decoderType))t=await Lv(xx,"draco",e);else[t,i]=await Promise.all([await Lv(Px,"draco",e),await Lv(wx,"draco",e)]);return t=t||globalThis.DracoDecoderModule,await function(e,t){const i={};t&&(i.wasmBinary=t);return new Promise((t=>{e({...i,onModuleLoaded:e=>t({draco:e})})}))}(t,i)}(e),await Cx}const Ex={...JB,parse:async function(e,t){const{draco:i}=await Mx(t),s=new Bx(i);try{return s.parseSync(e,null==t?void 0:t.draco)}finally{s.destroy()}}};function Fx(e){const{buffer:t,size:i,count:s}=function(e){let t=e,i=1,s=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t,i=!1){if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),s=t.length/i);return{buffer:t,size:i,count:s}}(e);return{value:t,size:i,byteOffset:0,count:s,type:SB(i),componentType:TB(t)}}async function Ix(e,t,i,s){const r=e.getObjectExtension(t,"KHR_draco_mesh_compression");if(!r)return;const o=e.getTypedArrayForBufferView(r.bufferView),n=Hv(o.buffer,o.byteOffset),{parse:a}=s,l={...i};delete l["3d-tiles"];const A=await a(n,Ex,l,s),h=function(e){const t={};for(const i in e){const s=e[i];if("indices"!==i){const e=Fx(s);t[i]=e}}return t}(A.attributes);for(const[i,s]of Object.entries(h))if(i in t.attributes){const r=t.attributes[i],o=e.getAccessor(r);null!=o&&o.min&&null!=o&&o.max&&(s.min=o.min,s.max=o.max)}t.attributes=h,A.indices&&(t.indices=Fx(A.indices)),function(e){if(!e.attributes&&Object.keys(e.attributes).length>0)throw new Error("glTF: Empty primitive detected: Draco decompression failure?")}(t)}function Dx(e,t,i=4,s,r){var o;if(!s.DracoWriter)throw new Error("options.gltf.DracoWriter not provided");const n=s.DracoWriter.encodeSync({attributes:e}),a=null==r||null===(o=r.parseSync)||void 0===o?void 0:o.call(r,{attributes:e}),l=s._addFauxAttributes(a.attributes);return{primitives:[{attributes:l,mode:i,extensions:{KHR_draco_mesh_compression:{bufferView:s.addBufferView(n),attributes:l}}}]}}function*Sx(e){for(const t of e.json.meshes||[])for(const e of t.primitives)yield e}var Tx=Object.freeze({__proto__:null,name:"KHR_draco_mesh_compression",preprocess:function(e,t,i){const s=new UB(e);for(const e of Sx(s))s.getObjectExtension(e,"KHR_draco_mesh_compression")},decode:async function(e,t,i){var s;if(null==t||null===(s=t.gltf)||void 0===s||!s.decompressMeshes)return;const r=new UB(e),o=[];for(const e of Sx(r))r.getObjectExtension(e,"KHR_draco_mesh_compression")&&o.push(Ix(r,e,t,i));await Promise.all(o),r.removeExtension("KHR_draco_mesh_compression")},encode:function(e,t={}){const i=new UB(e);for(const e of i.json.meshes||[])Dx(e),i.addRequiredExtension("KHR_draco_mesh_compression")}});var Rx=Object.freeze({__proto__:null,name:"KHR_lights_punctual",decode:async function(e){const t=new UB(e),{json:i}=t,s=t.getExtension("KHR_lights_punctual");s&&(t.json.lights=s.lights,t.removeExtension("KHR_lights_punctual"));for(const e of i.nodes||[]){const i=t.getObjectExtension(e,"KHR_lights_punctual");i&&(e.light=i.light),t.removeObjectExtension(e,"KHR_lights_punctual")}},encode:async function(e){const t=new UB(e),{json:i}=t;if(i.lights){const e=t.addExtension("KHR_lights_punctual");PB(!e.lights),e.lights=i.lights,delete i.lights}if(t.json.lights){for(const e of t.json.lights){const i=e.node;t.addObjectExtension(i,"KHR_lights_punctual",e)}delete t.json.lights}}});function Lx(e,t){const i=Object.assign({},e.values);return Object.keys(e.uniforms||{}).forEach((t=>{e.uniforms[t].value&&!(t in i)&&(i[t]=e.uniforms[t].value)})),Object.keys(i).forEach((e=>{"object"==typeof i[e]&&void 0!==i[e].index&&(i[e].texture=t.getTexture(i[e].index))})),i}const Ux=[KB,WB,XB,Tx,Rx,Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:async function(e){const t=new UB(e),{json:i}=t;t.removeExtension("KHR_materials_unlit");for(const e of i.materials||[]){e.extensions&&e.extensions.KHR_materials_unlit&&(e.unlit=!0),t.removeObjectExtension(e,"KHR_materials_unlit")}},encode:function(e){const t=new UB(e),{json:i}=t;if(t.materials)for(const e of i.materials||[])e.unlit&&(delete e.unlit,t.addObjectExtension(e,"KHR_materials_unlit",{}),t.addExtension("KHR_materials_unlit"))}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:async function(e){const t=new UB(e),{json:i}=t,s=t.getExtension("KHR_techniques_webgl");if(s){const e=function(e,t){const{programs:i=[],shaders:s=[],techniques:r=[]}=e,o=new TextDecoder;return s.forEach((e=>{if(!Number.isFinite(e.bufferView))throw new Error("KHR_techniques_webgl: no shader code");e.code=o.decode(t.getTypedArrayForBufferView(e.bufferView))})),i.forEach((e=>{e.fragmentShader=s[e.fragmentShader],e.vertexShader=s[e.vertexShader]})),r.forEach((e=>{e.program=i[e.program]})),r}(s,t);for(const s of i.materials||[]){const i=t.getObjectExtension(s,"KHR_techniques_webgl");i&&(s.technique=Object.assign({},i,e[i.technique]),s.technique.values=Lx(s.technique,t)),t.removeObjectExtension(s,"KHR_techniques_webgl")}t.removeExtension("KHR_techniques_webgl")}},encode:async function(e,t){}})];function Ox(e,t){var i;const s=(null==t||null===(i=t.gltf)||void 0===i?void 0:i.excludeExtensions)||{};return!(e in s&&!s[e])}const kx={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},Nx={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"};class Qx{constructor(){bv(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),bv(this,"json",void 0)}normalize(e,t){this.json=e.json;const i=e.json;switch(i.asset&&i.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(i.asset.version))}if(!t.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to glTF v2 format. This is experimental and may fail."),this._addAsset(i),this._convertTopLevelObjectsToArrays(i),function(e){const t=new UB(e),{json:i}=t;for(const e of i.images||[]){const i=t.getObjectExtension(e,"KHR_binary_glTF");i&&Object.assign(e,i),t.removeObjectExtension(e,"KHR_binary_glTF")}i.buffers&&i.buffers[0]&&delete i.buffers[0].uri,t.removeExtension("KHR_binary_glTF")}(e),this._convertObjectIdsToArrayIndices(i),this._updateObjects(i),this._updateMaterial(i)}_addAsset(e){e.asset=e.asset||{},e.asset.version="2.0",e.asset.generator=e.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}_convertTopLevelObjectsToArrays(e){for(const t in kx)this._convertTopLevelObjectToArray(e,t)}_convertTopLevelObjectToArray(e,t){const i=e[t];if(i&&!Array.isArray(i)){e[t]=[];for(const s in i){const r=i[s];r.id=r.id||s;const o=e[t].length;e[t].push(r),this.idToIndexMap[t][s]=o}}}_convertObjectIdsToArrayIndices(e){for(const t in kx)this._convertIdsToIndices(e,t);"scene"in e&&(e.scene=this._convertIdToIndex(e.scene,"scene"));for(const t of e.textures)this._convertTextureIds(t);for(const t of e.meshes)this._convertMeshIds(t);for(const t of e.nodes)this._convertNodeIds(t);for(const t of e.scenes)this._convertSceneIds(t)}_convertTextureIds(e){e.source&&(e.source=this._convertIdToIndex(e.source,"image"))}_convertMeshIds(e){for(const t of e.primitives){const{attributes:e,indices:i,material:s}=t;for(const t in e)e[t]=this._convertIdToIndex(e[t],"accessor");i&&(t.indices=this._convertIdToIndex(i,"accessor")),s&&(t.material=this._convertIdToIndex(s,"material"))}}_convertNodeIds(e){e.children&&(e.children=e.children.map((e=>this._convertIdToIndex(e,"node")))),e.meshes&&(e.meshes=e.meshes.map((e=>this._convertIdToIndex(e,"mesh"))))}_convertSceneIds(e){e.nodes&&(e.nodes=e.nodes.map((e=>this._convertIdToIndex(e,"node"))))}_convertIdsToIndices(e,t){e[t]||(console.warn("gltf v1: json doesn't contain attribute ".concat(t)),e[t]=[]);for(const i of e[t])for(const e in i){const t=i[e],s=this._convertIdToIndex(t,e);i[e]=s}}_convertIdToIndex(e,t){const i=Nx[t];if(i in this.idToIndexMap){const s=this.idToIndexMap[i][e];if(!Number.isFinite(s))throw new Error("gltf v1: failed to resolve ".concat(t," with id ").concat(e));return s}return e}_updateObjects(e){for(const e of this.json.buffers)delete e.type}_updateMaterial(e){for(const s of e.materials){var t,i;s.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};const r=(null===(t=s.values)||void 0===t?void 0:t.tex)||(null===(i=s.values)||void 0===i?void 0:i.texture2d_0),o=e.textures.findIndex((e=>e.id===r));-1!==o&&(s.pbrMetallicRoughness.baseColorTexture={index:o})}}}const Vx={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Hx={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},jx=10240,Gx=10241,zx=10242,Kx=10243,Wx=10497,Xx={magFilter:jx,minFilter:Gx,wrapS:zx,wrapT:Kx},Jx={[jx]:9729,[Gx]:9986,[zx]:Wx,[Kx]:Wx};class Yx{constructor(){bv(this,"baseUri",""),bv(this,"json",{}),bv(this,"buffers",[]),bv(this,"images",[])}postProcess(e,t={}){const{json:i,buffers:s=[],images:r=[],baseUri:o=""}=e;return PB(i),this.baseUri=o,this.json=i,this.buffers=s,this.images=r,this._resolveTree(this.json,t),this.json}_resolveTree(e,t={}){e.bufferViews&&(e.bufferViews=e.bufferViews.map(((e,t)=>this._resolveBufferView(e,t)))),e.images&&(e.images=e.images.map(((e,t)=>this._resolveImage(e,t)))),e.samplers&&(e.samplers=e.samplers.map(((e,t)=>this._resolveSampler(e,t)))),e.textures&&(e.textures=e.textures.map(((e,t)=>this._resolveTexture(e,t)))),e.accessors&&(e.accessors=e.accessors.map(((e,t)=>this._resolveAccessor(e,t)))),e.materials&&(e.materials=e.materials.map(((e,t)=>this._resolveMaterial(e,t)))),e.meshes&&(e.meshes=e.meshes.map(((e,t)=>this._resolveMesh(e,t)))),e.nodes&&(e.nodes=e.nodes.map(((e,t)=>this._resolveNode(e,t)))),e.skins&&(e.skins=e.skins.map(((e,t)=>this._resolveSkin(e,t)))),e.scenes&&(e.scenes=e.scenes.map(((e,t)=>this._resolveScene(e,t)))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];return i||console.warn("glTF file error: Could not find ".concat(e,"[").concat(t,"]")),i}_resolveScene(e,t){return e.id=e.id||"scene-".concat(t),e.nodes=(e.nodes||[]).map((e=>this.getNode(e))),e}_resolveNode(e,t){return e.id=e.id||"node-".concat(t),e.children&&(e.children=e.children.map((e=>this.getNode(e)))),void 0!==e.mesh?e.mesh=this.getMesh(e.mesh):void 0!==e.meshes&&e.meshes.length&&(e.mesh=e.meshes.reduce(((e,t)=>{const i=this.getMesh(t);return e.id=i.id,e.primitives=e.primitives.concat(i.primitives),e}),{primitives:[]})),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin)),e}_resolveSkin(e,t){return e.id=e.id||"skin-".concat(t),e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices),e}_resolveMesh(e,t){return e.id=e.id||"mesh-".concat(t),e.primitives&&(e.primitives=e.primitives.map((e=>{const t=(e={...e}).attributes;e.attributes={};for(const i in t)e.attributes[i]=this.getAccessor(t[i]);return void 0!==e.indices&&(e.indices=this.getAccessor(e.indices)),void 0!==e.material&&(e.material=this.getMaterial(e.material)),e}))),e}_resolveMaterial(e,t){if(e.id=e.id||"material-".concat(t),e.normalTexture&&(e.normalTexture={...e.normalTexture},e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlustionTexture={...e.occlustionTexture},e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emmisiveTexture={...e.emmisiveTexture},e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.emissiveFactor||(e.emissiveFactor=e.emmisiveTexture?[1,1,1]:[0,0,0]),e.pbrMetallicRoughness){e.pbrMetallicRoughness={...e.pbrMetallicRoughness};const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture={...t.baseColorTexture},t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture={...t.metallicRoughnessTexture},t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}return e}_resolveAccessor(e,t){var i,s;if(e.id=e.id||"accessor-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(i=e.componentType,Hx[i]),e.components=(s=e.type,Vx[s]),e.bytesPerElement=e.bytesPerComponent*e.components,e.bufferView){const t=e.bufferView.buffer,{ArrayType:i,byteLength:s}=RB(e,e.bufferView),r=(e.bufferView.byteOffset||0)+(e.byteOffset||0)+t.byteOffset;let o=t.arrayBuffer.slice(r,r+s);e.bufferView.byteStride&&(o=this._getValueFromInterleavedBuffer(t,r,e.bufferView.byteStride,e.bytesPerElement,e.count)),e.value=new i(o)}return e}_getValueFromInterleavedBuffer(e,t,i,s,r){const o=new Uint8Array(r*s);for(let n=0;n<r;n++){const r=t+n*i;o.set(new Uint8Array(e.arrayBuffer.slice(r,r+s)),n*s)}return o.buffer}_resolveTexture(e,t){return e.id=e.id||"texture-".concat(t),e.sampler="sampler"in e?this.getSampler(e.sampler):Jx,e.source=this.getImage(e.source),e}_resolveSampler(e,t){e.id=e.id||"sampler-".concat(t),e.parameters={};for(const t in e){const i=this._enumSamplerParameter(t);void 0!==i&&(e.parameters[i]=e[t])}return e}_enumSamplerParameter(e){return Xx[e]}_resolveImage(e,t){e.id=e.id||"image-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));const i=this.images[t];return i&&(e.image=i),e}_resolveBufferView(e,t){const i=e.buffer,s={id:"bufferView-".concat(t),...e,buffer:this.buffers[i]},r=this.buffers[i].arrayBuffer;let o=this.buffers[i].byteOffset||0;return"byteOffset"in e&&(o+=e.byteOffset),s.data=new Uint8Array(r,o,e.byteLength),s}_resolveCamera(e,t){return e.id=e.id||"camera-".concat(t),e.perspective,e.orthographic,e}}const Zx=1735152710,qx=!0;function $x(e,t,i=0,s={}){const r=new DataView(t),o=function(e,t=0){return"".concat(String.fromCharCode(e.getUint8(t+0))).concat(String.fromCharCode(e.getUint8(t+1))).concat(String.fromCharCode(e.getUint8(t+2))).concat(String.fromCharCode(e.getUint8(t+3)))}(r,i+0),n=r.getUint32(i+4,qx),a=r.getUint32(i+8,qx);switch(Object.assign(e,{header:{byteOffset:i,byteLength:a,hasBinChunk:!1},type:o,version:n,json:{},binChunks:[]}),i+=12,e.version){case 1:return function(e,t,i){hv(e.header.byteLength>20);const s=t.getUint32(i+0,qx),r=t.getUint32(i+4,qx);return i+=8,hv(0===r),eP(e,t,i,s),i+=s,i+=tP(e,t,i,e.header.byteLength)}(e,r,i);case 2:return function(e,t,i,s){return hv(e.header.byteLength>20),function(e,t,i,s){for(;i+8<=e.header.byteLength;){const r=t.getUint32(i+0,qx),o=t.getUint32(i+4,qx);switch(i+=8,o){case 1313821514:eP(e,t,i,r);break;case 5130562:tP(e,t,i,r);break;case 0:s.strict||eP(e,t,i,r);break;case 1:s.strict||tP(e,t,i,r)}i+=jv(r,4)}}(e,t,i,s),i+e.header.byteLength}(e,r,i,{});default:throw new Error("Invalid GLB version ".concat(e.version,". Only supports v1 and v2."))}}function eP(e,t,i,s){const r=new Uint8Array(t.buffer,i,s),o=new TextDecoder("utf8").decode(r);return e.json=JSON.parse(o),jv(s,4)}function tP(e,t,i,s){return e.header.hasBinChunk=!0,e.binChunks.push({byteOffset:i,byteLength:s,arrayBuffer:t.buffer}),jv(s,4)}async function iP(e,t,i=0,s,r){var o,n,a,l;!function(e,t,i,s){s.uri&&(e.baseUri=s.uri);if(t instanceof ArrayBuffer&&!function(e,t=0,i={}){const s=new DataView(e),{magic:r=Zx}=i,o=s.getUint32(t,!1);return o===r||o===Zx}(t,i,s)){t=(new TextDecoder).decode(t)}if("string"==typeof t)e.json=Nv(t);else if(t instanceof ArrayBuffer){const r={};i=$x(r,t,i,s.glb),PB("glTF"===r.type,"Invalid GLB magic string ".concat(r.type)),e._glb=r,e.json=r.json}else PB(!1,"GLTF: must be ArrayBuffer or string");const r=e.json.buffers||[];if(e.buffers=new Array(r.length).fill(null),e._glb&&e._glb.header.hasBinChunk){const{binChunks:t}=e._glb;e.buffers[0]={arrayBuffer:t[0].arrayBuffer,byteOffset:t[0].byteOffset,byteLength:t[0].byteLength}}const o=e.json.images||[];e.images=new Array(o.length).fill({})}(e,t,i,s),function(e,t={}){(new Qx).normalize(e,t)}(e,{normalize:null==s||null===(o=s.gltf)||void 0===o?void 0:o.normalize}),function(e,t={},i){const s=Ux.filter((e=>Ox(e.name,t)));for(const o of s){var r;null===(r=o.preprocess)||void 0===r||r.call(o,e,t,i)}}(e,s,r);const A=[];if(null!=s&&null!==(n=s.gltf)&&void 0!==n&&n.loadBuffers&&e.json.buffers&&await async function(e,t,i){const s=e.json.buffers||[];for(let n=0;n<s.length;++n){const a=s[n];if(a.uri){var r,o;const{fetch:s}=i;PB(s);const l=wB(a.uri,t),A=await(null==i||null===(r=i.fetch)||void 0===r?void 0:r.call(i,l)),h=await(null==A||null===(o=A.arrayBuffer)||void 0===o?void 0:o.call(A));e.buffers[n]={arrayBuffer:h,byteOffset:0,byteLength:h.byteLength},delete a.uri}else null===e.buffers[n]&&(e.buffers[n]={arrayBuffer:new ArrayBuffer(a.byteLength),byteOffset:0,byteLength:a.byteLength})}}(e,s,r),null!=s&&null!==(a=s.gltf)&&void 0!==a&&a.loadImages){const t=async function(e,t,i){const s=function(e){const t=new Set,i=e.json.textures||[];for(const e of i)void 0!==e.source&&t.add(e.source);return Array.from(t).sort()}(e),r=e.json.images||[],o=[];for(const n of s)o.push(sP(e,r[n],n,t,i));return await Promise.all(o)}(e,s,r);A.push(t)}const h=async function(e,t={},i){const s=Ux.filter((e=>Ox(e.name,t)));for(const o of s){var r;await(null===(r=o.decode)||void 0===r?void 0:r.call(o,e,t,i))}}(e,s,r);return A.push(h),await Promise.all(A),null!=s&&null!==(l=s.gltf)&&void 0!==l&&l.postProcess?function(e,t){return(new Yx).postProcess(e,t)}(e,s):e}async function sP(e,t,i,s,r){const{fetch:o,parse:n}=r;let a;if(t.uri){const e=wB(t.uri,s),i=await o(e);a=await i.arrayBuffer()}if(Number.isFinite(t.bufferView)){const i=function(e,t,i){const s=e.bufferViews[i];PB(s);const r=t[s.buffer];PB(r);const o=(s.byteOffset||0)+r.byteOffset;return new Uint8Array(r.arrayBuffer,o,s.byteLength)}(e.json,e.buffers,t.bufferView);a=Hv(i.buffer,i.byteOffset,i.byteLength)}PB(a,"glTF image has no data");let l=await n(a,[bB,sB],{mimeType:t.mimeType,basis:s.basis||{format:iB()}},r);l&&l[0]&&(l={compressed:!0,mipmaps:!1,width:l[0].width,height:l[0].height,data:l[0]}),e.images=e.images||[],e.images[i]=l}const rP={name:"glTF",id:"gltf",module:"gltf",version:"3.2.6",extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:async function(e,t={},i){(t={...rP.options,...t}).gltf={...rP.options.gltf,...t.gltf};const{byteOffset:s=0}=t;return await iP({},e,s,t,i)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};class oP{constructor(e){}load(e,t,i,s,r,o,n){!function(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++;"glb"===t.split(".").pop()?e.dataSource.getGLB(t,(n=>{s.basePath=nP(t),aP(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)})):e.dataSource.getGLTF(t,(n=>{s.basePath=nP(t),aP(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)}))}(e,t,i,s=s||{},r,(function(){M.scheduleTask((function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1)})),o&&o()}),(function(t){e.error(t),n&&n(t),r.fire("error",t)}))}parse(e,t,i,s,r,o,n){aP(e,"",t,i,s=s||{},r,(function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1),o&&o()}))}}function nP(e){const t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}function aP(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++,xy(i,rP,{baseUri:r.basePath}).then((i=>{const l={src:t,entityId:r.entityId,metaModelJSON:s,autoMetaModel:r.autoMetaModel,globalizeObjectIds:r.globalizeObjectIds,metaObjects:[],loadBuffer:r.loadBuffer,basePath:r.basePath,handlenode:r.handlenode,backfaces:!!r.backfaces,gltfData:i,scene:o.scene,plugin:e,sceneModel:o,numObjects:0,nodes:[],nextId:0,log:t=>{e.log(t)}};!function(e){const t=e.gltfData.textures;if(t)for(let i=0,s=t.length;i<s;i++)lP(e,t[i])}(l),function(e){const t=e.gltfData.materials;if(t)for(let i=0,s=t.length;i<s;i++){const s=t[i];s._textureSetId=AP(e,s),s._attributes=hP(e,s)}}(l),r.autoMetaModel&&l.metaObjects.push({id:o.id,type:"Default",name:o.id}),function(e){const t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");const s=i.nodes;if(!s)return;!function e(t){t.forEach((t=>{const i=t.mesh;i&&(i.instances||=0,i.instances+=1),t.children&&e(t.children)}))}(s);const r=[];let o=null;!function t(i,s,n){i.forEach((i=>{const a=i.name;let l=null!=a&&a||0===s&&"entity-"+e.nextId++;if(l){for(;e.sceneModel.objects[l];)l="entity-"+e.nextId++;r.push(o),o=[]}const A=function(e,t){let i;e.matrix&&(i=e.matrix,t=t?c.mulMat4(t,i,c.mat4()):i);e.translation&&(i=c.translationMat4v(e.translation),t=t?c.mulMat4(t,i,c.mat4()):i);e.rotation&&(i=c.quaternionToMat4(e.rotation),t=t?c.mulMat4(t,i,c.mat4()):i);e.scale&&(i=c.scalingMat4v(e.scale),t=t?c.mulMat4(t,i,c.mat4()):i);return t}(i,n);if(i.mesh&&function(e,t,i,s){const r=e.mesh;if(!r)return;const o=r.primitives.length;if(o>0)for(let e=0;e<o;e++){const o=r.primitives[e];if(o.mode<4)continue;const n={id:t.sceneModel.id+"."+t.numObjects++},a=o.material;a?(n.textureSetId=a._textureSetId,n.color=a._attributes.color,n.opacity=a._attributes.opacity,n.metallic=a._attributes.metallic,n.roughness=a._attributes.roughness):(n.color=new Float32Array([1,1,1]),n.opacity=1);const l=!1!==t.backfaces||a&&!1!==a.doubleSided;switch(o.mode){case 0:n.primitive="points";break;case 1:case 2:case 3:n.primitive="lines";break;default:n.primitive=l?"triangles":"solid"}const A=o.attributes.POSITION;if(!A)continue;n.localPositions=A.value,n.positions=new Float64Array(n.localPositions.length),o.attributes.NORMAL&&(n.normals=o.attributes.NORMAL.value),o.attributes.TEXCOORD_0&&(n.uv=o.attributes.TEXCOORD_0.value),o.indices&&(n.indices=o.indices.value),i?c.transformPositions3(i,n.localPositions,n.positions):n.positions.set(n.localPositions);const h=c.vec3();Z(n.positions,n.positions,h)&&(n.origin=h),t.sceneModel.createMesh(n),s.push(n.id)}}(i,e,A,o),i.children&&t(i.children,s+1,A),l){if(o.length>0){const t=e.globalizeObjectIds?c.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:t,meshIds:o,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:t,type:"Default",name:t,parent:e.sceneModel.id})}o=r.pop()}}))}(s,0,null)}(l),o.finalize(),r.autoMetaModel&&e.viewer.metaScene.createMetaModel(o.id,{metaObjects:l.metaObjects}),a.processes--,n()}))}function lP(e,t){if(!t.source||!t.source.image)return;const i="texture-"+e.nextId++;let s=1005;switch(t.sampler.minFilter){case 9728:s=1003;break;case 9729:s=1006;break;case 9984:s=1004;break;case 9985:s=1007;break;case 9986:s=1005;break;case 9987:s=1008}let r=1006;switch(t.sampler.magFilter){case 9728:r=1003;break;case 9729:r=1006}let o=1e3;switch(t.sampler.wrapS){case 33071:o=1001;break;case 33648:o=1002;break;case 10497:o=1e3}let n=1e3;switch(t.sampler.wrapT){case 33071:n=1001;break;case 33648:n=1002;break;case 10497:n=1e3}let a=1e3;switch(t.sampler.wrapR){case 33071:a=1001;break;case 33648:a=1002;break;case 10497:a=1e3}e.sceneModel.createTexture({id:i,image:t.source.image,flipY:!!t.flipY,minFilter:s,magFilter:r,wrapS:o,wrapT:n,wrapR:a,encoding:3001}),t._textureId=i}function AP(e,t){const i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":const e=t.alphaCutoff;i.alphaCutoff=void 0!==e?e:.5}const s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){const r=t.pbrMetallicRoughness,o=r.baseColorTexture||r.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}const r=t.extensions;if(r){const t=r.KHR_materials_pbrSpecularGlossiness;if(t){t.specularTexture;const 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e=0,t=h.length;e<t;e++)c.normalizeVec3(h[e].dir,h[e].dir),c.normalizeVec3(h[e].up,h[e].up);for(let e=0,t=u.length;e<t;e++)c.normalizeVec3(u[e].dir,u[e].dir),c.normalizeVec3(u[e].up,u[e].up);var d=u;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=n,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height="500px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=s,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;document.getElementsByTagName("body")[0].appendChild(this._textureCanvas);const p=this._textureCanvas.getContext("2d");let f=!1;function g(){for(let e=0,t=A.length;e<t;e++){const t=A[e],i=t.boundary,s=Math.round(i[0]*l),r=Math.round(i[1]*l),o=Math.round(i[2]*l),n=Math.round(i[3]*l);p.fillStyle=t.color,p.fillRect(s,r,o,n)}for(let t=0,A=d.length;t<A;t++){let A,h,c,u;const f=d[t],g=f.boundaries;for(var e=0,i=g.length;e<i;e++){const t=g[e];A=Math.round(t[0]*l),h=Math.round(t[1]*l),c=Math.round(t[2]*l),u=Math.round(t[3]*l),f.highlighted&&(p.fillStyle=f.highlighted?r:f.color||s,p.fillRect(A,h,c,u))}if(f.label){p.fillStyle=o,p.font="60px sans-serif",p.textAlign="center";var n=A+.5*c,a=h+.7*u;p.fillText(m(f.label),n,a,80)}}t.glRedraw()}const m=function(){const t={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},i={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},s={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"};return function(r){const o=f?i:t,n=o?o[r]:null;return n?e.localeService.translate(n)||s[n]||n:r}}();this.setZUp=function(){f=!0,d=h,this.clear()},this.setYUp=function(){f=!1,d=u,this.clear()},this.clear=function(){p.fillStyle=s,p.fillRect(0,0,a,n);for(var e=0,t=d.length;e<t;e++){d[e].highlighted=!1}g()},this.getArea=function(e){const t=e[0]*a,i=n-e[1]*n;for(var s=0,r=d.length;s<r;s++){const e=d[s].boundaries;for(var o=0,A=e.length;o<A;o++){const 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r=_P(e,t,null);i&&bP(e,i,s),yP(e,r),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}var mP=function(e,t,i){BP(t,(function(s){var r=_P(e,s,t);i(r)}),(function(t){e.error(t)}))},_P=function(){const e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib 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r=e.normals,o=e.object.geometry.normals;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function A(e,t,i,s){var r=e.uv,o=e.object.geometry.uv;o.push(r[t+0]),o.push(r[t+1]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[s+0]),o.push(r[s+1])}function h(e,t){var i=e.uv,s=e.object.geometry.uv;s.push(i[t+0]),s.push(i[t+1])}function c(e,t,i,a,h,c,u,d,p,f,g,m,_){var v,b=e.positions.length,y=s(t,b),B=s(i,b),x=s(a,b);if(void 0===h?n(e,y,B,x):(n(e,y,B,v=s(h,b)),n(e,B,x,v)),void 0!==c){var P=e.uv.length;y=o(c,P),B=o(u,P),x=o(d,P),void 0===h?A(e,y,B,x):(A(e,y,B,v=o(p,P)),A(e,B,x,v))}if(void 0!==f){var w=e.normals.length;y=r(f,w),B=f===g?y:r(g,w),x=f===m?y:r(m,w),void 0===h?l(e,y,B,x):(l(e,y,B,v=r(_,w)),l(e,B,x,v))}}function u(e,t,i){e.object.geometry.type="Line";for(var r=e.positions.length,n=e.uv.length,l=0,A=t.length;l<A;l++)a(e,s(t[l],r));for(var c=0,u=i.length;c<u;c++)h(e,o(i[c],n))}}();var vP=function(e,t,i,s){BP(i,(function(i){bP(e,i,t),s()}),(function(t){e.error(t),s()}))},bP=function(){var e=/\s+/;return function(e,r,o){var n,a,l,A,h,c=r.split("\n"),u={id:"Default"},d=!1;o=o||"";for(var p=0;p<c.length;p++)if(0!==(n=c[p].trim()).length&&"#"!==n.charAt(0))switch(l=(l=(a=n.indexOf(" "))>=0?n.substring(0,a):n).toLowerCase(),A=(A=a>=0?n.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,u),u={id:A},d=!0;break;case"ka":u.ambient=s(A);break;case"kd":u.diffuse=s(A);break;case"ks":u.specular=s(A);break;case"map_kd":u.diffuseMap||(u.diffuseMap=t(e,o,A,"sRGB"));break;case"map_ks":u.specularMap||(u.specularMap=t(e,o,A,"linear"));break;case"map_bump":case"bump":u.normalMap||(u.normalMap=t(e,o,A));break;case"ns":u.shininess=parseFloat(A);break;case"d":(h=parseFloat(A))<1&&(u.alpha=h,u.alphaMode="blend");break;case"tr":(h=parseFloat(A))>0&&(u.alpha=1-h,u.alphaMode="blend")}d&&i(e,u)};function t(e,t,i,s){var r={},o=i.split(/\s+/),n=o.indexOf("-bm");return n>=0&&o.splice(n,2),(n=o.indexOf("-s"))>=0&&(r.scale=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),(n=o.indexOf("-o"))>=0&&(r.translate=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),r.src=t+o.join(" ").trim(),r.flipY=!0,r.encoding=s||"linear",new Zs(e,r).id}function i(e,t){new pi(e,t)}function s(t){var i=t.split(e,3);return[parseFloat(i[0]),parseFloat(i[1]),parseFloat(i[2])]}}();function yP(e,t){for(var i=0,s=t.objects.length;i<s;i++){var r=t.objects[i],o=r.geometry;if(o.type,0===o.positions.length)continue;var n={primitive:"triangles",compressGeometry:!1};n.positions=o.positions,o.normals.length>0&&(n.normals=o.normals),o.uv.length>0&&(n.uv=o.uv);for(var a=new Array(n.positions.length/3),l=0;l<a.length;l++)a[l]=l;n.indices=a;const s=fP;Z(o.positions,o.positions,s);var A,h=new Ai(e,n),c=r.material.id;c&&""!==c?(A=e.scene.components[c])||e.error("Material not found: "+c):A=new pi(e,{diffuse:[.6,.6,.6],backfaces:!0});var u=new vs(e,{id:e.id+"#"+r.id,origin:0!==s[0]||0!==s[1]||0!==s[2]?s:null,isObject:!0,geometry:h,material:A,pickable:!0});e.addChild(u)}}function BP(e,t,i){var s=new XMLHttpRequest;s.open("GET",e,!0),s.addEventListener("load",(function(e){var s=e.target.response;200===this.status?t&&t(s):0===this.status?(console.warn("loadFile: HTTP Status 0 received."),t&&t(s)):i&&i(e)}),!1),s.addEventListener("error",(function(e){i&&i(e)}),!1),s.send(null)}const xP=new Float64Array([0,0,1]),PP=new Float64Array(4);class wP{constructor(e){this.id=null;const t=e.viewer,i=t.camera,s=t.cameraControl,r=t.scene,o=r.canvas.canvas;this._visible=!1;let n=!1;const a=!1,l=.09,A=.01,h=new Ls(r,{position:[0,0,0],scale:[5,5,5],isObject:!1}),u=c.vec3(),d=function(){const e=c.vec3(),t=c.vec3();return function(i){u.set(i),Y(i,e,t),h.origin=e,h.position=t}}(),p=(e,t)=>new Ai(h,ys({radiusTop:.001,radiusBottom:e,radialSegments:32,heightSegments:1,height:t,openEnded:!1})),f=(e,t,i)=>new Ai(h,ys({radiusTop:e,radiusBottom:e,radialSegments:i,heightSegments:1,height:t,openEnded:!1})),g=(e,t,i)=>new Ai(h,or({radius:.8,tube:e,radialSegments:64,tubeSegments:i,arc:2*Math.PI*t})),m={curve:g(A,.25,14),curveHandle:g(l,.25,14),hoop:g(A,1,8),arrowHead:p(.07,.2),arrowHeadBig:p(.09,.25),arrowHeadHandle:f(l,.37,8),axis:f(A,1,20),axisHandle:f(l,1,20)},_=(e,t)=>new gi(h,{edges:!1,fill:!0,fillColor:e,fillAlpha:t}),v=new pi(h,{diffuse:[1,1,0],alpha:0,alphaMode:"blend"}),b={},y=(e,t,i)=>{const s=(e=>new pi(h,{diffuse:e,emissive:e,ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}))(e),n=c.rotationMat4v(270*c.DEGTORAD,[1,0,0],c.identityMat4()),l=c.quaternionToRotationMat4(c.vec3PairToQuaternion([0,1,0],i),c.identityMat4()),A=c.mulMat4(l,n,c.identityMat4()),p=c.scaleMat4v([.6,.6,.6],c.identityMat4()),f=(e,t)=>{const i=c.translateMat4v(e,c.identityMat4()),s=c.identityMat4();return c.mulMat4(i,t,s),c.mulMat4(A,s,s),c.mulMat4(s,p,c.identityMat4())},g=h.addChild(new vs(h,{geometry:m.curve,material:s,matrix:A,pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),a),y=h.addChild(new vs(h,{geometry:m.curveHandle,material:v,matrix:A,pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),a),B=h.addChild(new vs(h,{geometry:m.arrowHead,material:s,matrix:f([.8,.07,0],c.rotationMat4v(180*c.DEGTORAD,[0,0,1],c.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),C=h.addChild(new vs(h,{geometry:m.arrowHead,material:s,matrix:f([.07,.8,0],c.rotationMat4v(90*c.DEGTORAD,[0,0,1],c.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),M=h.addChild(new vs(h,{geometry:m.hoop,material:s,highlighted:!0,highlightMaterial:_(e,.6),matrix:A,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),E=c.quaternionToRotationMat4(c.vec3PairToQuaternion([0,1,0],t),c.identityMat4()),F=e=>c.mulMat4(E,c.translateMat4c(0,e,0,c.identityMat4()),c.identityMat4()),I=F(1.1),D=F(.5),S=h.addChild(new vs(h,{geometry:m.arrowHead,material:s,matrix:I,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),T=h.addChild(new vs(h,{geometry:m.arrowHeadHandle,material:v,matrix:I,pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),R=h.addChild(new vs(h,{geometry:m.axis,material:s,matrix:D,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),L=h.addChild(new vs(h,{geometry:m.axisHandle,material:v,matrix:D,pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),U=h.addChild(new vs(h,{geometry:m.arrowHeadBig,material:s,matrix:I,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),O=function(){const t=c.vec4(),i=c.vec3(),s=c.vec3();return(n,a)=>{x(e,t);const l=u,A=t;c.canvasPosToWorldRay(o,r.camera.viewMatrix,r.camera.projMatrix,r.camera.projection,n,i,s);const h=c.dotVec3(A,s),d=c.subVec3(i,l,a),p=c.dotVec3(d,A),f=c.dotVec3(d,s),g=1-h*h;if(Math.abs(g)>1e-10){const e=(p-h*f)/g;return c.addVec3(l,c.mulVec3Scalar(A,e,a),a),!0}return!1}}(),k=c.vec3(),N=c.vec3();b[T.id]=b[L.id]={setActivated:e=>U.visible=e,initDragAction:e=>O(e,k)&&c.subVec3(k,u,k)&&(e=>{O(e,N)&&(c.subVec3(N,k,N),d(N),P._sectionPlane&&(P._sectionPlane.pos=N))})};const Q=c.vec2();return b[y.id]={setActivated:e=>M.visible=e,initDragAction:t=>(Q.set(t),t=>{w(e,Q,t),Q.set(t)})},{set visible(e){S.visible=T.visible=R.visible=L.visible=g.visible=y.visible=B.visible=C.visible=e,e||(U.visible=e,M.visible=e)},set culled(e){S.culled=T.culled=R.culled=L.culled=g.culled=y.culled=B.culled=C.culled=e,e||(U.culled=e,M.culled=e)}}};this._displayMeshes=[h.addChild(new vs(h,{geometry:new Ai(h,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new pi(h,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new gi(h,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),a),h.addChild(new vs(h,{geometry:new Ai(h,or({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new pi(h,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new gi(h,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),a),h.addChild(new vs(h,{geometry:new Ai(h,Bs({radius:.05})),material:new pi(h,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),y([1,0,0],[1,0,0],[1,0,0]),y([0,1,0],[0,-1,0],[0,1,0]),y([0,0,1],[0,0,-1],[0,0,-1])];const B=[];{let e=-1;const t=e=>h.scale=[e,e,e],s=r.on("tick",(()=>{const s=Math.abs(c.distVec3(i.eye,u));"perspective"===i.projection?s!==e&&t(.07*s*Math.tan(i.perspective.fov*c.DEGTORAD)):"ortho"===i.projection&&t(i.ortho.scale/10),e=s}));B.push((()=>r.off(s)))}const x=function(){const e=c.mat4();return function(t,i){return c.quaternionToMat4(h.quaternion,e),c.transformVec3(e,t,i),c.normalizeVec3(i),i}}(),P=this;var w=function(){const e=c.vec4(),t=c.vec4(),i=c.vec4(),s=c.vec4(),r=c.vec3(),o=c.mat4(),a=c.vec3();return function(l,A,u){x(l,s);if(!(C(A,s,e)&&C(u,s,t))){((e,t)=>{const i=Math.abs(e[0]);i>Math.abs(e[1])&&i>Math.abs(e[2])?c.cross3Vec3(e,[0,1,0],t):c.cross3Vec3(e,[1,0,0],t),c.cross3Vec3(t,e,t),c.normalizeVec3(t)})(s,a),C(A,a,e,1),C(u,a,t,1);var d=c.dotVec3(e,s);e[0]-=d*s[0],e[1]-=d*s[1],e[2]-=d*s[2],d=c.dotVec3(t,s),t[0]-=d*s[0],t[1]-=d*s[1],t[2]-=d*s[2]}c.normalizeVec3(e),c.normalizeVec3(t),d=c.dotVec3(e,t),d=c.clamp(d,-1,1);var p=Math.acos(d)*c.RADTODEG;c.cross3Vec3(e,t,i),c.dotVec3(i,s)<0&&(p=-p),h.rotate(l,p),P._sectionPlane&&(c.quaternionToMat4(h.quaternion,o),c.transformVec3(o,[0,0,1],r),n=!0,P._sectionPlane.dir=r)}}(),C=function(){const e=c.vec4([0,0,0,1]),t=c.mat4();return function(s,r,n,a){a=a||0,e[0]=s[0]/o.width*2-1,e[1]=-(s[1]/o.height*2-1),e[2]=0,e[3]=1,c.mulMat4(i.projMatrix,i.viewMatrix,t),c.inverseMat4(t),c.transformVec4(t,e,e),c.mulVec4Scalar(e,1/e[3]);var l=i.eye;c.subVec4(e,l,e);const A=P._sectionPlane.pos;var h=-c.dotVec3(A,r)-a,u=c.dotVec3(r,e);if(Math.abs(u)>.005){var d=-(c.dotVec3(r,l)+h)/u;return c.mulVec3Scalar(e,d,n),c.addVec3(n,l),c.subVec3(n,A,n),!0}return!1}}();{let e=null,i=null;B.push((()=>{i&&i.cleanup()}));const r=c.vec2(),n=(e,t)=>{t[0]=e.clientX,t[1]=e.clientY,Ce(o.ownerDocument.documentElement,o,t)},a=e=>{n(e,r);const i=t.scene.pick({canvasPos:r}),s=i&&i.entity,o=s&&s.id;return o in b&&b[o]},l=(e,t)=>{const o=a(t(e));if(o){i&&i.cleanup();const e=o.initDragAction(r);e&&(s.pointerEnabled=!1,o.setActivated(!0),i={onChange:i=>{const s=t(i);s&&(n(s,r),e(r))},cleanup:function(){i=null,s.pointerEnabled=!0,o.setActivated(!1)}})}},A=(e,t)=>{o.addEventListener(e,t),B.push((()=>o.removeEventListener(e,t)))};A("mousedown",(e=>{e.preventDefault(),1===e.which&&l(e,(e=>1===e.which&&e))})),A("mousemove",(t=>{if(i)i.onChange(t);else{e&&e();const i=a(t);i?(i.setActivated(!0),e=()=>i.setActivated(!1)):e=null}})),A("mouseup",(e=>{i&&(i.onChange(e),i.cleanup())})),A("touchstart",(e=>{if(e.preventDefault(),1===e.touches.length){const t=e.touches[0].identifier;l(e,(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})),A("touchmove",(e=>{e.preventDefault(),i&&i.onChange(e)})),A("touchend",(e=>{e.preventDefault(),i&&(i.onChange(e),i.cleanup())}))}this._unbindSectionPlane=()=>{},this.__setSectionPlane=e=>{this.id=e.id,this._sectionPlane=e;const t=()=>d(e.pos),i=()=>h.quaternion=c.vec3PairToQuaternion(xP,e.dir,PP);t(),i();const s=e.on("pos",t),r=e.on("dir",(()=>{n?n=!1:i()}));this._unbindSectionPlane=()=>{this.id=null,this._sectionPlane=null,e.off(s),e.off(r),this._unbindSectionPlane=()=>{}}},this.__destroy=()=>{B.forEach((e=>e())),this._unbindSectionPlane(),h.destroy(),this._displayMeshes=[];for(let e in b)delete b[e]}}_destroy(){this.__destroy()}_setSectionPlane(e){this._unbindSectionPlane(),e&&this.__setSectionPlane(e)}get sectionPlane(){return this._sectionPlane}setVisible(e=!0){this._visible!==e&&(this._visible=e,this._displayMeshes.forEach((t=>t.visible=e)))}getVisible(){return this._visible}setCulled(e){this._displayMeshes.forEach((t=>t.culled=e))}}class CP{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new vs(t,{id:i.id,geometry:new Ai(t,hi({xSize:.5,ySize:.5,zSize:.001})),material:new pi(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new _i(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new gi(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new gi(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=c.vec3([0,0,0]),t=c.vec3(),i=c.vec3([0,0,1]),s=c.vec4(4),r=c.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];c.subVec3(o,this._sectionPlane.pos,e);const a=-c.dotVec3(n,e);c.normalizeVec3(n),c.mulVec3Scalar(n,a,t);const l=c.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class MP{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new Ei(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Yt(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Yt(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Yt(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=c.rotationMat4c(-90*c.DEGTORAD,1,0,0),i=c.vec3(),s=c.vec3(),r=c.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;c.mulVec3Scalar(c.normalizeVec3(c.subVec3(o,n,i)),7),this._zUp?(c.transformVec3(t,i,s),c.transformVec3(t,a,r),e.look=[0,0,0],e.eye=c.transformVec3(t,i,s),e.up=c.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new CP(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const EP=c.AABB3(),FP=c.vec3();class IP{constructor(e,t,i,s,r,o){this.plugin=e,this.storeyId=r,this.modelId=s,this.storeyAABB=i.slice(),this.aabb=this.storeyAABB,this.modelAABB=t.slice(),this.numObjects=o}}class DP{constructor(e,t,i,s,r,o){this.storeyId=e,this.imageData=t,this.format=i,this.width=s,this.height=r}}const SP=c.vec3(),TP=c.mat4();const RP=new Float64Array([0,0,1]),LP=new Float64Array(4);class UP{constructor(e){this.id=null,this._viewer=e.viewer,this._plugin=e,this._visible=!1,this._pos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._baseDir=c.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}_setSectionPlane(e){this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(()=>{this._setPos(this._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(()=>{this._ignoreNextSectionPlaneDirUpdate?this._ignoreNextSectionPlaneDirUpdate=!1:this._setDir(this._sectionPlane.dir)})))}get sectionPlane(){return this._sectionPlane}_setPos(e){this._pos.set(e),Y(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}_setDir(e){this._baseDir.set(e),this._rootNode.quaternion=c.vec3PairToQuaternion(RP,e,LP)}_setSectionPlaneDir(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}setVisible(e=!0){if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}getVisible(){return this._visible}setCulled(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}_createNodes(){const e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Ls(t,{position:[0,0,0],scale:[5,5,5]});const s=this._rootNode,r={arrowHead:new Ai(s,ys({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new Ai(s,ys({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new Ai(s,ys({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},o={red:new pi(s,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new pi(s,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new pi(s,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new gi(s,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:s.addChild(new vs(s,{geometry:new Ai(s,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new pi(s,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:s.addChild(new vs(s,{geometry:new Ai(s,or({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new pi(s,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:s.addChild(new vs(s,{geometry:new Ai(s,Bs({radius:.05})),material:o.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:s.addChild(new vs(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=c.translateMat4c(0,1.1,0,c.identityMat4()),t=c.rotationMat4v(-90*c.DEGTORAD,[.8,0,0],c.identityMat4());return c.mulMat4(t,e,c.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:s.addChild(new vs(s,{geometry:r.axis,material:o.blue,matrix:function(){const e=c.translateMat4c(0,.5,0,c.identityMat4()),t=c.rotationMat4v(-90*c.DEGTORAD,[1,0,0],c.identityMat4());return c.mulMat4(t,e,c.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:s.addChild(new vs(s,{geometry:new Ai(s,or({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new pi(s,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new gi(s,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:s.addChild(new vs(s,{geometry:r.arrowHeadBig,material:o.blue,matrix:function(){const e=c.translateMat4c(0,1.1,0,c.identityMat4()),t=c.rotationMat4v(-90*c.DEGTORAD,[.8,0,0],c.identityMat4());return c.mulMat4(t,e,c.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}_bindEvents(){const e=this._rootNode,t=c.vec2(),i=this._viewer.camera,s=this._viewer.scene;let r=0,o=!1;{const t=c.vec3([0,0,0]);let n=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(()=>{})),this._onCameraProjMatrix=s.camera.on("projMatrix",(()=>{})),this._onSceneTick=s.on("tick",(()=>{o=!1;const l=Math.abs(c.lenVec3(c.subVec3(s.camera.eye,this._pos,t)));if(l!==n&&"perspective"===i.projection){const t=.07*(Math.tan(i.perspective.fov*c.DEGTORAD)*l);e.scale=[t,t,t],n=l}if("ortho"===i.projection){const t=i.ortho.scale/10;e.scale=[t,t,t],n=l}0!==r&&(a(r),r=0)}))}const n=function(){const e=new Float64Array(2);return function(t){if(t){for(var i=t.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-s,e[1]=t.pageY-r}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),a=e=>{const t=this._sectionPlane.pos,i=this._sectionPlane.dir;c.addVec3(t,c.mulVec3Scalar(i,.1*e*this._plugin.getDragSensitivity(),c.vec3())),this._sectionPlane.pos=t};{let e=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=i=>{if(i.preventDefault(),this._visible&&(this._viewer.cameraControl.pointerEnabled=!1,1===i.which)){e=!0;var s=n(i);t[0]=s[0],t[1]=s[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=i=>{if(!this._visible)return;if(!e)return;if(o)return;var s=n(i);const r=s[0],l=s[1];a(l-t[1]),t[0]=r,t[1]=l}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=t=>{this._visible&&(this._viewer.cameraControl.pointerEnabled=!0,e&&(t.which,e=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=e=>{this._visible&&(r+=Math.max(-1,Math.min(1,40*-e.deltaY)))})}{let e,t,i=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=t=>{t.stopPropagation(),t.preventDefault(),this._visible&&(e=t.touches[0].clientY,i=e,r=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=e=>{e.stopPropagation(),e.preventDefault(),this._visible&&(o||(o=!0,t=e.touches[0].clientY,null!==i&&(r+=t-i),i=t))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=i=>{i.stopPropagation(),i.preventDefault(),this._visible&&(e=null,t=null,r=0)})}}_destroy(){this._unbindEvents(),this._destroyNodes()}_unbindEvents(){const e=this._viewer,t=e.scene,i=t.canvas.canvas,s=e.camera,r=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),r.removeEventListener("touchstart",this._handleTouchStart),r.removeEventListener("touchmove",this._handleTouchMove),r.removeEventListener("touchend",this._handleTouchEnd),s.off(this._onCameraViewMatrix),s.off(this._onCameraProjMatrix)}_destroyNodes(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}class OP{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new vs(t,{id:i.id,geometry:new Ai(t,hi({xSize:.5,ySize:.5,zSize:.001})),material:new pi(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new _i(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new gi(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new gi(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=c.vec3([0,0,0]),t=c.vec3(),i=c.vec3([0,0,1]),s=c.vec4(4),r=c.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];c.subVec3(o,this._sectionPlane.pos,e);const a=-c.dotVec3(n,e);c.normalizeVec3(n),c.mulVec3Scalar(n,a,t);const l=c.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class kP{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new Ei(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Yt(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Yt(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Yt(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=c.rotationMat4c(-90*c.DEGTORAD,1,0,0),i=c.vec3(),s=c.vec3(),r=c.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;c.mulVec3Scalar(c.normalizeVec3(c.subVec3(o,n,i)),7),this._zUp?(c.transformVec3(t,i,s),c.transformVec3(t,a,r),e.look=[0,0,0],e.eye=c.transformVec3(t,i,s),e.up=c.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new OP(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const NP=c.AABB3(),QP=c.vec3();class VP{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getSTL(e,t,i){e=this._cacheBusterURL(e);const s=new XMLHttpRequest;s.overrideMimeType("application/json"),s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i(s.statusText))},s.send(null)}}const HP=c.vec3();class jP{load(e,t,i,s,r,o){s=s||{};const n=e.viewer.scene.canvas.spinner;n.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,s){try{const r=JP(i);GP(r)?zP(e,r,t,s):KP(e,XP(i),t,s)}catch(e){t.fire("error",e)}}(e,t,i,s);try{const o=JP(i);GP(o)?zP(e,o,t,s):KP(e,XP(i),t,s),n.processes--,M.scheduleTask((function(){t.fire("loaded",!0,!1)})),r&&r()}catch(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}}),(function(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}))}parse(e,t,i,s){const r=e.viewer.scene.canvas.spinner;r.processes++;try{const o=JP(i);GP(o)?zP(e,o,t,s):KP(e,XP(i),t,s),r.processes--,M.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){r.processes--,t.fire("error",e)}}}function GP(e){const t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;const i=[115,111,108,105,100];for(var s=0;s<5;s++)if(i[s]!==t.getUint8(s,!1))return!0;return!1}function zP(e,t,i,s){const r=new DataView(t),o=r.getUint32(80,!0);let n,a,l,A,h,c,u,d=!1,p=null,f=null,g=null,m=!1;for(let e=0;e<70;e++)1129270351===r.getUint32(e,!1)&&82===r.getUint8(e+4)&&61===r.getUint8(e+5)&&(d=!0,A=[],h=r.getUint8(e+6)/255,c=r.getUint8(e+7)/255,u=r.getUint8(e+8)/255,r.getUint8(e+9));const _=new Ns(i,{roughness:.5});let v=[],b=[],y=s.splitMeshes;for(let e=0;e<o;e++){let t=84+50*e,o=r.getFloat32(t,!0),B=r.getFloat32(t+4,!0),x=r.getFloat32(t+8,!0);if(d){let e=r.getUint16(t+48,!0);0==(32768&e)?(n=(31&e)/31,a=(e>>5&31)/31,l=(e>>10&31)/31):(n=h,a=c,l=u),(y&&n!==p||a!==f||l!==g)&&(null!==p&&(m=!0),p=n,f=a,g=l)}for(let e=1;e<=3;e++){let i=t+12*e;v.push(r.getFloat32(i,!0)),v.push(r.getFloat32(i+4,!0)),v.push(r.getFloat32(i+8,!0)),b.push(o,B,x),d&&A.push(n,a,l,1)}y&&m&&(WP(i,v,b,A,_,s),v=[],b=[],A=A?[]:null,m=!1)}v.length>0&&WP(i,v,b,A,_,s)}function KP(e,t,i,s){const r=/facet([\s\S]*?)endfacet/g;let o=0;const n=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,a=new RegExp("vertex"+n+n+n,"g"),l=new RegExp("normal"+n+n+n,"g"),A=[],h=[];let c,u,d,p,f,g,m;for(;null!==(p=r.exec(t));){for(f=0,g=0,m=p[0];null!==(p=l.exec(m));)c=parseFloat(p[1]),u=parseFloat(p[2]),d=parseFloat(p[3]),g++;for(;null!==(p=a.exec(m));)A.push(parseFloat(p[1]),parseFloat(p[2]),parseFloat(p[3])),h.push(c,u,d),f++;1!==g&&e.error("Error in normal of face "+o),3!==f&&e.error("Error in positions of face "+o),o++}WP(i,A,h,null,new Ns(i,{roughness:.5}),s)}function WP(e,t,i,s,r,o){const n=new Int32Array(t.length/3);for(let e=0,t=n.length;e<t;e++)n[e]=e;i=i&&i.length>0?i:null,s=s&&s.length>0?s:null,o.smoothNormals&&c.faceToVertexNormals(t,i,o);const a=HP;Z(t,t,a);const l=new Ai(e,{primitive:"triangles",positions:t,normals:i,colors:s,indices:n}),A=new vs(e,{origin:0!==a[0]||0!==a[1]||0!==a[2]?a:null,geometry:l,material:r,edges:o.edges});e.addChild(A)}function XP(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let i=0,s=e.length;i<s;i++)t+=String.fromCharCode(e[i]);return 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t,i,s,r=e.w_size;t=e.hash_size,s=t;do{i=e.head[--s],e.head[s]=i>=r?i-r:0}while(--t);t=r,s=t;do{i=e.prev[--s],e.prev[s]=i>=r?i-r:0}while(--t)};let me=(e,t,i)=>(t<<e.hash_shift^i)&e.hash_mask;const _e=e=>{const t=e.state;let i=t.pending;i>e.avail_out&&(i=e.avail_out),0!==i&&(e.output.set(t.pending_buf.subarray(t.pending_out,t.pending_out+i),e.next_out),e.next_out+=i,t.pending_out+=i,e.total_out+=i,e.avail_out-=i,t.pending-=i,0===t.pending&&(t.pending_out=0))},ve=(e,t)=>{V(e,e.block_start>=0?e.block_start:-1,e.strstart-e.block_start,t),e.block_start=e.strstart,_e(e.strm)},be=(e,t)=>{e.pending_buf[e.pending++]=t},ye=(e,t)=>{e.pending_buf[e.pending++]=t>>>8&255,e.pending_buf[e.pending++]=255&t},Be=(e,t,i,s)=>{let r=e.avail_in;return r>s&&(r=s),0===r?0:(e.avail_in-=r,t.set(e.input.subarray(e.next_in,e.next_in+r),i),1===e.state.wrap?e.adler=R(e.adler,t,r,i):2===e.state.wrap&&(e.adler=U(e.adler,t,r,i)),e.next_in+=r,e.total_in+=r,r)},xe=(e,t)=>{let i,s,r=e.max_chain_length,o=e.strstart,n=e.prev_length,a=e.nice_match;const l=e.strstart>e.w_size-Ae?e.strstart-(e.w_size-Ae):0,A=e.window,h=e.w_mask,c=e.prev,u=e.strstart+le;let d=A[o+n-1],p=A[o+n];e.prev_length>=e.good_match&&(r>>=2),a>e.lookahead&&(a=e.lookahead);do{if(i=t,A[i+n]===p&&A[i+n-1]===d&&A[i]===A[o]&&A[++i]===A[o+1]){o+=2,i++;do{}while(A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&o<u);if(s=le-(u-o),o=u-le,s>n){if(e.match_start=t,n=s,s>=a)break;d=A[o+n-1],p=A[o+n]}}}while((t=c[t&h])>l&&0!=--r);return n<=e.lookahead?n:e.lookahead},Pe=e=>{const t=e.w_size;let i,s,r;do{if(s=e.window_size-e.lookahead-e.strstart,e.strstart>=t+(t-Ae)&&(e.window.set(e.window.subarray(t,t+t-s),0),e.match_start-=t,e.strstart-=t,e.block_start-=t,e.insert>e.strstart&&(e.insert=e.strstart),ge(e),s+=t),0===e.strm.avail_in)break;if(i=Be(e.strm,e.window,e.strstart+e.lookahead,s),e.lookahead+=i,e.lookahead+e.insert>=3)for(r=e.strstart-e.insert,e.ins_h=e.window[r],e.ins_h=me(e,e.ins_h,e.window[r+1]);e.insert&&(e.ins_h=me(e,e.ins_h,e.window[r+3-1]),e.prev[r&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=r,r++,e.insert--,!(e.lookahead+e.insert<3)););}while(e.lookahead<Ae&&0!==e.strm.avail_in)},we=(e,t)=>{let i,s,r,o=e.pending_buf_size-5>e.w_size?e.w_size:e.pending_buf_size-5,n=0,a=e.strm.avail_in;do{if(i=65535,r=e.bi_valid+42>>3,e.strm.avail_out<r)break;if(r=e.strm.avail_out-r,s=e.strstart-e.block_start,i>s+e.strm.avail_in&&(i=s+e.strm.avail_in),i>r&&(i=r),i<o&&(0===i&&t!==W||t===G||i!==s+e.strm.avail_in))break;n=t===W&&i===s+e.strm.avail_in?1:0,Q(e,0,0,n),e.pending_buf[e.pending-4]=i,e.pending_buf[e.pending-3]=i>>8,e.pending_buf[e.pending-2]=~i,e.pending_buf[e.pending-1]=~i>>8,_e(e.strm),s&&(s>i&&(s=i),e.strm.output.set(e.window.subarray(e.block_start,e.block_start+s),e.strm.next_out),e.strm.next_out+=s,e.strm.avail_out-=s,e.strm.total_out+=s,e.block_start+=s,i-=s),i&&(Be(e.strm,e.strm.output,e.strm.next_out,i),e.strm.next_out+=i,e.strm.avail_out-=i,e.strm.total_out+=i)}while(0===n);return 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i,s;for(;;){if(e.lookahead<Ae){if(Pe(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-Ae&&(e.match_length=xe(e,i)),e.match_length>=3)if(s=H(e,e.strstart-e.match_start,e.match_length-3),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=3){e.match_length--;do{e.strstart++,e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart}while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=me(e,e.ins_h,e.window[e.strstart+1]);else s=H(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(s&&(ve(e,!1),0===e.strm.avail_out))return 1}return e.insert=e.strstart<2?e.strstart:2,t===W?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2},Me=(e,t)=>{let i,s,r;for(;;){if(e.lookahead<Ae){if(Pe(e),e.lookahead<Ae&&t===G)return 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Uint8Array(a.pending_buf_size),a.sym_buf=a.lit_bufsize,a.sym_end=3*(a.lit_bufsize-1),a.level=t,a.strategy=o,a.method=i,Te(e)};var Le=Re,Ue=(e,t)=>De(e)||2!==e.state.wrap?Z:(e.state.gzhead=t,J),Oe=(e,t)=>{if(De(e)||t>X||t<0)return e?de(e,Z):Z;const i=e.state;if(!e.output||0!==e.avail_in&&!e.input||i.status===ue&&t!==W)return de(e,0===e.avail_out?$:Z);const s=i.last_flush;if(i.last_flush=t,0!==i.pending){if(_e(e),0===e.avail_out)return i.last_flush=-1,J}else if(0===e.avail_in&&pe(t)<=pe(s)&&t!==W)return de(e,$);if(i.status===ue&&0!==e.avail_in)return de(e,$);if(i.status===he&&0===i.wrap&&(i.status=ce),i.status===he){let t=ae+(i.w_bits-8<<4)<<8,s=-1;if(s=i.strategy>=ie||i.level<2?0:i.level<6?1:6===i.level?2:3,t|=s<<6,0!==i.strstart&&(t|=32),t+=31-t%31,ye(i,t),0!==i.strstart&&(ye(i,e.adler>>>16),ye(i,65535&e.adler)),e.adler=1,i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,J}if(57===i.status)if(e.adler=0,be(i,31),be(i,139),be(i,8),i.gzhead)be(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),be(i,255&i.gzhead.time),be(i,i.gzhead.time>>8&255),be(i,i.gzhead.time>>16&255),be(i,i.gzhead.time>>24&255),be(i,9===i.level?2:i.strategy>=ie||i.level<2?4:0),be(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(be(i,255&i.gzhead.extra.length),be(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=U(e.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=69;else if(be(i,0),be(i,0),be(i,0),be(i,0),be(i,0),be(i,9===i.level?2:i.strategy>=ie||i.level<2?4:0),be(i,3),i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,J;if(69===i.status){if(i.gzhead.extra){let t=i.pending,s=(65535&i.gzhead.extra.length)-i.gzindex;for(;i.pending+s>i.pending_buf_size;){let 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t,s=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s)),_e(e),0!==i.pending)return i.last_flush=-1,J;s=0}t=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,be(i,t)}while(0!==t);i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s))}i.status=103}if(103===i.status){if(i.gzhead.hcrc){if(i.pending+2>i.pending_buf_size&&(_e(e),0!==i.pending))return i.last_flush=-1,J;be(i,255&e.adler),be(i,e.adler>>8&255),e.adler=0}if(i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,J}if(0!==e.avail_in||0!==i.lookahead||t!==G&&i.status!==ue){let s=0===i.level?we(i,t):i.strategy===ie?((e,t)=>{let i;for(;;){if(0===e.lookahead&&(Pe(e),0===e.lookahead)){if(t===G)return 1;break}if(e.match_length=0,i=H(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(ve(e,!1),0===e.strm.avail_out))return 1}return 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t.wsize=0,t.whave=0,t.wnext=0,kt(e)},Qt=(e,t)=>{let i;if(Ot(e))return yt;const s=e.state;return t<0?(i=0,t=-t):(i=5+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?yt:(null!==s.window&&s.wbits!==t&&(s.window=null),s.wrap=i,s.wbits=t,Nt(e))},Vt=(e,t)=>{if(!e)return yt;const i=new Ut;e.state=i,i.strm=e,i.window=null,i.mode=Ct;const s=Qt(e,t);return s!==_t&&(e.state=null),s};let Ht,jt,Gt=!0;const zt=e=>{if(Gt){Ht=new Int32Array(512),jt=new Int32Array(32);let t=0;for(;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(pt(1,e.lens,0,288,Ht,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;pt(2,e.lens,0,32,jt,0,e.work,{bits:5}),Gt=!1}e.lencode=Ht,e.lenbits=9,e.distcode=jt,e.distbits=5},Kt=(e,t,i,s)=>{let r;const o=e.state;return null===o.window&&(o.wsize=1<<o.wbits,o.wnext=0,o.whave=0,o.window=new Uint8Array(o.wsize)),s>=o.wsize?(o.window.set(t.subarray(i-o.wsize,i),0),o.wnext=0,o.whave=o.wsize):(r=o.wsize-o.wnext,r>s&&(r=s),o.window.set(t.subarray(i-s,i-s+r),o.wnext),(s-=r)?(o.window.set(t.subarray(i-s,i),0),o.wnext=s,o.whave=o.wsize):(o.wnext+=r,o.wnext===o.wsize&&(o.wnext=0),o.whave<o.wsize&&(o.whave+=r))),0};var Wt=Nt,Xt=Vt,Jt=(e,t)=>{let i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,x,P=0;const w=new Uint8Array(4);let C,M;const E=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(Ot(e)||!e.output||!e.input&&0!==e.avail_in)return yt;i=e.state,i.mode===Et&&(i.mode=Ft),n=e.next_out,r=e.output,l=e.avail_out,o=e.next_in,s=e.input,a=e.avail_in,A=i.hold,h=i.bits,c=a,u=l,x=_t;e:for(;;)switch(i.mode){case Ct:if(0===i.wrap){i.mode=Ft;break}for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(2&i.wrap&&35615===A){0===i.wbits&&(i.wbits=15),i.check=0,w[0]=255&A,w[1]=A>>>8&255,i.check=U(i.check,w,2,0),A=0,h=0,i.mode=16181;break}if(i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&A)<<8)+(A>>8))%31){e.msg="incorrect header check",i.mode=Rt;break}if((15&A)!==wt){e.msg="unknown compression method",i.mode=Rt;break}if(A>>>=4,h-=4,B=8+(15&A),0===i.wbits&&(i.wbits=B),B>15||B>i.wbits){e.msg="invalid window size",i.mode=Rt;break}i.dmax=1<<i.wbits,i.flags=0,e.adler=i.check=1,i.mode=512&A?16189:Et,A=0,h=0;break;case 16181:for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(i.flags=A,(255&i.flags)!==wt){e.msg="unknown compression method",i.mode=Rt;break}if(57344&i.flags){e.msg="unknown header flags set",i.mode=Rt;break}i.head&&(i.head.text=A>>8&1),512&i.flags&&4&i.wrap&&(w[0]=255&A,w[1]=A>>>8&255,i.check=U(i.check,w,2,0)),A=0,h=0,i.mode=16182;case 16182:for(;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.head&&(i.head.time=A),512&i.flags&&4&i.wrap&&(w[0]=255&A,w[1]=A>>>8&255,w[2]=A>>>16&255,w[3]=A>>>24&255,i.check=U(i.check,w,4,0)),A=0,h=0,i.mode=16183;case 16183:for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.head&&(i.head.xflags=255&A,i.head.os=A>>8),512&i.flags&&4&i.wrap&&(w[0]=255&A,w[1]=A>>>8&255,i.check=U(i.check,w,2,0)),A=0,h=0,i.mode=16184;case 16184:if(1024&i.flags){for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.length=A,i.head&&(i.head.extra_len=A),512&i.flags&&4&i.wrap&&(w[0]=255&A,w[1]=A>>>8&255,i.check=U(i.check,w,2,0)),A=0,h=0}else i.head&&(i.head.extra=null);i.mode=16185;case 16185:if(1024&i.flags&&(d=i.length,d>a&&(d=a),d&&(i.head&&(B=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Uint8Array(i.head.extra_len)),i.head.extra.set(s.subarray(o,o+d),B)),512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,i.length-=d),i.length))break e;i.length=0,i.mode=16186;case 16186:if(2048&i.flags){if(0===a)break e;d=0;do{B=s[o+d++],i.head&&B&&i.length<65536&&(i.head.name+=String.fromCharCode(B))}while(B&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,B)break e}else i.head&&(i.head.name=null);i.length=0,i.mode=16187;case 16187:if(4096&i.flags){if(0===a)break e;d=0;do{B=s[o+d++],i.head&&B&&i.length<65536&&(i.head.comment+=String.fromCharCode(B))}while(B&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,B)break e}else i.head&&(i.head.comment=null);i.mode=16188;case 16188:if(512&i.flags){for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(4&i.wrap&&A!==(65535&i.check)){e.msg="header crc mismatch",i.mode=Rt;break}A=0,h=0}i.head&&(i.head.hcrc=i.flags>>9&1,i.head.done=!0),e.adler=i.check=0,i.mode=Et;break;case 16189:for(;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}e.adler=i.check=Lt(A),A=0,h=0,i.mode=Mt;case Mt:if(0===i.havedict)return e.next_out=n,e.avail_out=l,e.next_in=o,e.avail_in=a,i.hold=A,i.bits=h,bt;e.adler=i.check=1,i.mode=Et;case Et:if(t===gt||t===mt)break e;case Ft:if(i.last){A>>>=7&h,h-=7&h,i.mode=Tt;break}for(;h<3;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}switch(i.last=1&A,A>>>=1,h-=1,3&A){case 0:i.mode=16193;break;case 1:if(zt(i),i.mode=Dt,t===mt){A>>>=2,h-=2;break e}break;case 2:i.mode=16196;break;case 3:e.msg="invalid block type",i.mode=Rt}A>>>=2,h-=2;break;case 16193:for(A>>>=7&h,h-=7&h;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if((65535&A)!=(A>>>16^65535)){e.msg="invalid stored block lengths",i.mode=Rt;break}if(i.length=65535&A,A=0,h=0,i.mode=It,t===mt)break e;case It:i.mode=16195;case 16195:if(d=i.length,d){if(d>a&&(d=a),d>l&&(d=l),0===d)break e;r.set(s.subarray(o,o+d),n),a-=d,o+=d,l-=d,n+=d,i.length-=d;break}i.mode=Et;break;case 16196:for(;h<14;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(i.nlen=257+(31&A),A>>>=5,h-=5,i.ndist=1+(31&A),A>>>=5,h-=5,i.ncode=4+(15&A),A>>>=4,h-=4,i.nlen>286||i.ndist>30){e.msg="too many length or distance symbols",i.mode=Rt;break}i.have=0,i.mode=16197;case 16197:for(;i.have<i.ncode;){for(;h<3;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.lens[E[i.have++]]=7&A,A>>>=3,h-=3}for(;i.have<19;)i.lens[E[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,C={bits:i.lenbits},x=pt(0,i.lens,0,19,i.lencode,0,i.work,C),i.lenbits=C.bits,x){e.msg="invalid code lengths set",i.mode=Rt;break}i.have=0,i.mode=16198;case 16198:for(;i.have<i.nlen+i.ndist;){for(;P=i.lencode[A&(1<<i.lenbits)-1],g=P>>>24,m=P>>>16&255,_=65535&P,!(g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(_<16)A>>>=g,h-=g,i.lens[i.have++]=_;else{if(16===_){for(M=g+2;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(A>>>=g,h-=g,0===i.have){e.msg="invalid bit length repeat",i.mode=Rt;break}B=i.lens[i.have-1],d=3+(3&A),A>>>=2,h-=2}else if(17===_){for(M=g+3;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=g,h-=g,B=0,d=3+(7&A),A>>>=3,h-=3}else{for(M=g+7;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=g,h-=g,B=0,d=11+(127&A),A>>>=7,h-=7}if(i.have+d>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=Rt;break}for(;d--;)i.lens[i.have++]=B}}if(i.mode===Rt)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=Rt;break}if(i.lenbits=9,C={bits:i.lenbits},x=pt(1,i.lens,0,i.nlen,i.lencode,0,i.work,C),i.lenbits=C.bits,x){e.msg="invalid literal/lengths set",i.mode=Rt;break}if(i.distbits=6,i.distcode=i.distdyn,C={bits:i.distbits},x=pt(2,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,C),i.distbits=C.bits,x){e.msg="invalid distances set",i.mode=Rt;break}if(i.mode=Dt,t===mt)break e;case Dt:i.mode=St;case St:if(a>=6&&l>=258){e.next_out=n,e.avail_out=l,e.next_in=o,e.avail_in=a,i.hold=A,i.bits=h,At(e,u),n=e.next_out,r=e.output,l=e.avail_out,o=e.next_in,s=e.input,a=e.avail_in,A=i.hold,h=i.bits,i.mode===Et&&(i.back=-1);break}for(i.back=0;P=i.lencode[A&(1<<i.lenbits)-1],g=P>>>24,m=P>>>16&255,_=65535&P,!(g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(m&&0==(240&m)){for(v=g,b=m,y=_;P=i.lencode[y+((A&(1<<v+b)-1)>>v)],g=P>>>24,m=P>>>16&255,_=65535&P,!(v+g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=v,h-=v,i.back+=v}if(A>>>=g,h-=g,i.back+=g,i.length=_,0===m){i.mode=16205;break}if(32&m){i.back=-1,i.mode=Et;break}if(64&m){e.msg="invalid literal/length code",i.mode=Rt;break}i.extra=15&m,i.mode=16201;case 16201:if(i.extra){for(M=i.extra;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.length+=A&(1<<i.extra)-1,A>>>=i.extra,h-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=16202;case 16202:for(;P=i.distcode[A&(1<<i.distbits)-1],g=P>>>24,m=P>>>16&255,_=65535&P,!(g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(0==(240&m)){for(v=g,b=m,y=_;P=i.distcode[y+((A&(1<<v+b)-1)>>v)],g=P>>>24,m=P>>>16&255,_=65535&P,!(v+g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=v,h-=v,i.back+=v}if(A>>>=g,h-=g,i.back+=g,64&m){e.msg="invalid distance code",i.mode=Rt;break}i.offset=_,i.extra=15&m,i.mode=16203;case 16203:if(i.extra){for(M=i.extra;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.offset+=A&(1<<i.extra)-1,A>>>=i.extra,h-=i.extra,i.back+=i.extra}if(i.offset>i.dmax){e.msg="invalid distance too far back",i.mode=Rt;break}i.mode=16204;case 16204:if(0===l)break e;if(d=u-l,i.offset>d){if(d=i.offset-d,d>i.whave&&i.sane){e.msg="invalid distance too far back",i.mode=Rt;break}d>i.wnext?(d-=i.wnext,p=i.wsize-d):p=i.wnext-d,d>i.length&&(d=i.length),f=i.window}else f=r,p=n-i.offset,d=i.length;d>l&&(d=l),l-=d,i.length-=d;do{r[n++]=f[p++]}while(--d);0===i.length&&(i.mode=St);break;case 16205:if(0===l)break e;r[n++]=i.length,l--,i.mode=St;break;case Tt:if(i.wrap){for(;h<32;){if(0===a)break e;a--,A|=s[o++]<<h,h+=8}if(u-=l,e.total_out+=u,i.total+=u,4&i.wrap&&u&&(e.adler=i.check=i.flags?U(i.check,r,u,n-u):R(i.check,r,u,n-u)),u=l,4&i.wrap&&(i.flags?A:Lt(A))!==i.check){e.msg="incorrect data check",i.mode=Rt;break}A=0,h=0}i.mode=16207;case 16207:if(i.wrap&&i.flags){for(;h<32;){if(0===a)break 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Q=ni.createPositionsDecodeMatrix(U),V={};for(let r=a;r<=D;r++){const a=C[r],E=t.globalizeObjectIds?c.globalizeObjectId(s.id,a):a,F=r===S-1,D=M[r],T=F?x.length-1:M[r+1]-1,k=[],N=e.metaScene.metaObjects[E],H={},j={};if(N){if(t.excludeTypesMap&&N.type&&t.excludeTypesMap[N.type])continue;if(t.includeTypesMap&&N.type&&!t.includeTypesMap[N.type])continue;const e=t.objectDefaults?t.objectDefaults[N.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(H.visible=!1),!1===e.pickable&&(H.pickable=!1),e.colorize&&(j.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(j.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(j.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(j.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=D;e<=T;e++){const r=x[e],a=R[r]>1,C=r===I-1,M=Rw(w.subarray(6*e,6*e+3)),E=w[6*e+3]/255,F=w[6*e+4]/255,D=w[6*e+5]/255,S=o.getNextId();if(a){const o=P[e],a=p.slice(o,o+16),x=`${n}-geometry.${i}.${r}`;let w=O[x];if(!w){w={batchThisMesh:!t.reuseGeometries};let e=!1;switch(g[r]){case 0:w.primitiveName="solid",w.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),w.geometryNormals=A.subarray(v[r],C?A.length:v[r+1]),w.geometryIndices=u.subarray(y[r],C?u.length:y[r+1]),w.geometryEdgeIndices=d.subarray(B[r],C?d.length:B[r+1]),e=w.geometryPositions.length>0&&w.geometryIndices.length>0;break;case 1:w.primitiveName="surface",w.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),w.geometryNormals=A.subarray(v[r],C?A.length:v[r+1]),w.geometryIndices=u.subarray(y[r],C?u.length:y[r+1]),w.geometryEdgeIndices=d.subarray(B[r],C?d.length:B[r+1]),e=w.geometryPositions.length>0&&w.geometryIndices.length>0;break;case 2:w.primitiveName="points",w.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),w.geometryColors=h.subarray(b[r],C?h.length:b[r+1]),e=w.geometryPositions.length>0;break;case 3:w.primitiveName="lines",w.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),w.geometryIndices=u.subarray(y[r],C?u.length:y[r+1]),e=w.geometryPositions.length>0&&w.geometryIndices.length>0;break;default:continue}if(e||(w=null),w&&(w.geometryPositions.length,w.batchThisMesh)){w.decompressedPositions=new Float32Array(w.geometryPositions.length),w.transformedAndRecompressedPositions=new Uint16Array(w.geometryPositions.length);const e=w.geometryPositions,t=w.decompressedPositions;for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]*f[0]+f[12],t[i+1]=e[i+1]*f[5]+f[13],t[i+2]=e[i+2]*f[10]+f[14];w.geometryPositions=null,O[x]=w}}if(w)if(w.batchThisMesh){const e=w.decompressedPositions,t=w.transformedAndRecompressedPositions;for(let 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n=o.getNextId(),a=i.metadata,l=i.textureData,A=i.eachTextureDataPortion,h=i.eachTextureAttributes,u=i.positions,d=i.normals,p=i.colors,f=i.uvs,g=i.indices,m=i.edgeIndices,v=i.eachTextureSetTextures,b=i.matrices,y=i.reusedGeometriesDecodeMatrix,B=i.eachGeometryPrimitiveType,x=i.eachGeometryPositionsPortion,P=i.eachGeometryNormalsPortion,w=i.eachGeometryColorsPortion,C=i.eachGeometryUVsPortion,M=i.eachGeometryIndicesPortion,E=i.eachGeometryEdgeIndicesPortion,F=i.eachMeshGeometriesPortion,I=i.eachMeshMatricesPortion,D=i.eachMeshTextureSet,S=i.eachMeshMaterialAttributes,T=i.eachEntityId,R=i.eachEntityMeshesPortion,L=i.eachTileAABB,U=i.eachTileEntitiesPortion,O=A.length,k=v.length/5,N=x.length,Q=F.length,V=R.length,H=U.length;r&&r.loadData(a,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds});for(let e=0;e<O;e++){const t=e===O-1,i=A[e],r=t?l.length:A[e+1],o=r-i>0,a=9*e,c=1===h[a+0],u=h[a+1];h[a+2],h[a+3];const d=h[a+4],p=h[a+5],f=h[a+6],g=h[a+7],m=h[a+8];if(o){const t=new Uint8Array(l.subarray(i,r)).buffer,o=`${n}-texture-${e}`;if(c)s.createTexture({id:o,buffers:[t],minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m});else{const e=new Blob([t],{type:10001===u?"image/jpeg":10002===u?"image/png":"image/gif"}),i=(window.URL||window.webkitURL).createObjectURL(e),r=document.createElement("img");r.src=i,s.createTexture({id:o,image:r,minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m})}}}for(let e=0;e<k;e++){const t=5*e,i=`${n}-textureSet-${e}`,r=v[t+0],o=v[t+1],a=v[t+2],l=v[t+3],A=v[t+4];s.createTextureSet({id:i,colorTextureId:r>=0?`${n}-texture-${r}`:null,normalsTextureId:a>=0?`${n}-texture-${a}`:null,metallicRoughnessTextureId:o>=0?`${n}-texture-${o}`:null,emissiveTextureId:l>=0?`${n}-texture-${l}`:null,occlusionTextureId:A>=0?`${n}-texture-${A}`:null})}const j=new Uint32Array(N);for(let e=0;e<Q;e++){const t=F[e];void 0!==j[t]?j[t]++:j[t]=1}const G=c.vec3(),z=c.AABB3(),K={};for(let i=0;i<H;i++){const r=i===H-1,a=U[i],l=r?V-1:U[i+1]-1,A=6*i,h=L.subarray(A,A+6);c.getAABB3Center(h,G),z[0]=h[0]-G[0],z[1]=h[1]-G[1],z[2]=h[2]-G[2],z[3]=h[3]-G[0],z[4]=h[4]-G[1],z[5]=h[5]-G[2];const v=ni.createPositionsDecodeMatrix(z),O={};for(let r=a;r<=l;r++){const a=T[r],l=t.globalizeObjectIds?c.globalizeObjectId(s.id,a):a,A=r===V-1,h=R[r],L=A?F.length-1:R[r+1]-1,U=[],k=e.metaScene.metaObjects[l],Q={},H={};if(k){if(t.excludeTypesMap&&k.type&&t.excludeTypesMap[k.type])continue;if(t.includeTypesMap&&k.type&&!t.includeTypesMap[k.type])continue;const e=t.objectDefaults?t.objectDefaults[k.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(Q.visible=!1),!1===e.pickable&&(Q.pickable=!1),e.colorize&&(H.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(H.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(H.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(H.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=h;e<=L;e++){const 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t=a(e,c.vec2());A&&c.distVec2(d,t)>20&&(h(),i())};n.addEventListener("mousemove",f);const g=e.cameraControl.on("rayMove",(e=>{const t=e.canvasPos;s(t,l(t))})),m=function(e){if(1===e.which&&A){u();const t=a(e,c.vec2());r(t,l(t))}};return n.addEventListener("mouseup",m),u}},eM=function(e,t,i,s){const r=-(c.dotVec3(i,t)-e)/c.dotVec3(s,t);{const e=c.vec3();return c.mulVec3Scalar(s,r,e),c.addVec3(i,e,e),e}};class tM extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={},this.plugin.viewer.scene,this._geometry=t.geometry,t.onMouseOver,t.onMouseLeave,t.onContextMenu,this._alpha="alpha"in t&&void 0!==t.alpha?t.alpha:.5,this.color=t.color,this._visible=!0,this._rebuildMesh()}_rebuildMesh(){const e=this.plugin.viewer.scene,t=this._geometry.planeCoordinates.slice(),i=this._geometry.height<0,s=this._geometry.altitude+(i?this._geometry.height:0),r=this._geometry.height*(i?-1:1),[o,n,a]=YC(t),l=[],A=[],h=e=>{const t=l.length;for(let t of o)l.push([t[0],s+(e?r:0),t[1]]);for(let i of n)A.push(...(e?i:i.slice(0).reverse()).map((e=>e+t)))};h(!1),h(!0);for(let e=0;e<o.length;++e){const t=o[e],i=o[(o.length+e+(a?1:-1))%o.length],n=s,h=s+r,c=l.length;l.push([t[0],n,t[1]],[i[0],n,i[1]],[i[0],h,i[1]],[t[0],h,t[1]]),A.push(...[0,1,2,0,2,3].map((e=>e+c)))}this._zoneMesh&&this._zoneMesh.destroy();const u=e=>Math.min(...l.map((t=>t[e]))),d=e=>Math.max(...l.map((t=>t[e]))),p=u(0),f=u(1),g=u(2),m=d(0),_=d(1),v=d(2);this._center=c.vec3([(p+m)/2,(f+_)/2,(g+v)/2]);const b=[].concat(...l.map((e=>c.subVec3(e,this._center,e))));this._zoneMesh=new vs(e,{origin:this._center,edges:this._edges,geometry:new Ai(e,{positions:b,indices:A,normals:c.buildNormals(b,A)}),material:new pi(e,{alpha:this._alpha,backfaces:!0,diffuse:JC(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;{const e=c.vec2(),t=c.vec2();let i=0;for(let s of n){const r=o[s[0]],n=o[s[1]],a=o[s[2]];c.subVec2(n,r,e),c.subVec2(a,r,t),i+=Math.abs(e[0]*t[1]-e[1]*t[0])}this._baseArea=i/2}this._metrics=null}get baseArea(){return this._baseArea}get area(){return this._getMetrics().area}get volume(){return this._getMetrics().volume}_getMetrics(){if(null===this._metrics){let e=0,t=0;const i=this._zoneMesh.geometry,s=[c.vec3(),c.vec3(),c.vec3()],r=c.vec3();for(let o=0;o<i.indices.length;o+=3){for(let e=0;e<3;++e){const t=s[e],r=3*i.indices[o+e];for(let e=0;e<3;++e)t[e]=i.positions[r+e]}e+=c.dotVec3(s[0],c.cross3Vec3(s[1],s[2],r)),c.subVec3(s[1],s[0],s[1]),c.subVec3(s[2],s[0],s[2]),t+=c.lenVec3(c.cross3Vec3(s[1],s[2],r))}this._metrics={area:t/2,volume:e/6}}return this._metrics}sectionedAverage(e){const t=this._geometry.planeCoordinates.slice();let i=[];{const e=this._geometry.height,s=this._geometry.altitude,r=s+Math.max(0,e),o=s+Math.min(0,e),n=e=>{const s=t.map((t=>[t[0],e?r:o,t[1]]));i.push(e?s:s.slice(0).reverse())};n(!0),n(!1);const a=(e,i)=>[t[e][0],i,t[e][1]];for(let e=0;e<t.length;++e){const s=(e+1)%t.length;i.push([a(e,o),a(s,o),a(s,r),a(e,r)])}}for(const t of e){const e=t.dir,r=t.dist,o=[];for(const t of i){const i=1e-5,n=0,a=1,l=2,A=3;let h=0;const u=[];for(let s=0;s<t.length;s++){const o=c.dotVec3(e,t[s])+r,A=o<-i?l:o>i?a:n;h|=A,u.push(A)}switch(h){case n:case a:o.push(t);break;case l:break;case A:const i=[];for(let o=0;o<t.length;o++){var s=(o+1)%t.length;const n=u[o],a=u[s],h=t[o],d=t[s];if(n!==l&&i.push(h),(n|a)===A){const t=c.vec3();c.subVec3(d,h,t);const s=-(r+c.dotVec3(e,h))/c.dotVec3(e,t),o=[0,0,0];c.lerpVec3(s,0,1,h,d,o),i.push(o)}}i.length>=3&&o.push(i)}}i=o}if(0===i.length)return null;{const e=c.vec3([0,0,0]),t=new Set;for(const s of i)for(const i of s){const s=i.map((e=>e.toFixed(3))).join(":");t.has(s)||(t.add(s),c.addVec3(e,i,e))}return c.mulVec3Scalar(e,1/t.size,e),e}}get center(){return this._center}get altitude(){return this._geometry.altitude}set altitude(e){this._geometry.altitude=e,this._rebuildMesh()}get height(){return this._geometry.height}set height(e){this._geometry.height=e,this._rebuildMesh()}get highlighted(){return this._highlighted}set highlighted(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}set color(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=JC(this._color))}get color(){return this._color}set alpha(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}get alpha(){return this._alpha}get edges(){return this._edges}set edges(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}set visible(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}get visible(){return this._visible}getJSON(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}duplicate(){return this.plugin.createZone({id:c.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((e=>e.slice())),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}destroy(){this._zoneMesh.destroy(),super.destroy()}}class iM extends D{constructor(e,t,i){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.createSelect3dPoint=i,this._deactivate=null}get active(){return!!this._deactivate}activate(e,t,i,s){if(this._deactivate)return;if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=this.createSelect3dPoint(o,((t,i)=>eM(e,c.vec3([0,1,0]),t,i)));!function o(){const A=qC(n,i,s),h=function(e,t,i,s,r,o){const n=ZC(e,t),a=ZC(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:()=>{};let A=s((()=>{l(null),n.update(null)}),((e,t)=>{l(e),n.update(t)}),(function(e,t){n.update(t),A=s((function(){l(null),a.update(null),r(null)}),(function(e,i){l(e),a.update(i),r(c.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),n.destroy(),a.destroy(),l(null),o([t,i])}))}));return{deactivate:function(){A(),n.destroy(),a.destroy(),l(null)}}}(n,i,a.pointerLens,l,(e=>{if(e){const t=e[0],i=e[1],s=e=>Math.min(t[e],i[e]),r=e=>Math.max(t[e],i[e]),o=s(0),n=s(1),a=s(2),l=r(0);r(1);const h=r(2);A.updateBase([[o,n,h],[l,n,h],[l,n,a],[o,n,a]])}else A.updateBase(null)}),(n=>{A.destroy();const l=function(e,t,i,s,r,o,n){const a=i=>Math.min(e[i],t[i]),l=i=>Math.max(e[i],t[i]),A=a(0),h=a(2),u=l(0),d=l(2);return n.createZone({id:c.createUUID(),geometry:{planeCoordinates:[[A,d],[u,d],[u,h],[A,h]],altitude:i,height:s},alpha:o,color:r})}(n[0],n[1],e,t,i,s,r);let h=!0;a._deactivate=()=>{h=!1},a.fire("zoneEnd",l),h&&o()})).deactivate;a._deactivate=()=>{h(),A.destroy()}}()}deactivate(){this._deactivate&&(this._deactivate(),this._deactivate=null)}destroy(){this.deactivate(),super.destroy()}}const sM=function(e,t,i,s,r,o,n,a,l){const A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{};let h;const u=[()=>A(null)],d=qC(e,s,r);return u.push((()=>d.destroy())),function o(p){const f=ZC(e,s),g=p.length>0&&function(e,t,i){const s=new Se(e,e.canvas.canvas.ownerDocument.body,{color:t,thickness:1,thicknessClickable:6});return s.setVisible(!1),{update:e=>{e&&s.setEnds(i,e),s.setVisible(!!e)},destroy:()=>s.destroy()}}(e,s,p[p.length-1].getWorldPos());u.push((()=>{f.destroy(),g&&g.destroy()}));const m=p.length>0&&p[0],_=function(e){const t=m&&m.getCanvasPos();return t&&c.distVec2(t,e)<10&&{canvasPos:t,worldPos:m.getWorldPos()}},v=function(){const e=(e,t,i)=>t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1]),t=(e,t,i)=>{const s=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===s?0:s>0?1:2};return function(i,s){const r=i[i.length-2],o=i[i.length-1];for(let n=s?1:0;n<i.length-2-1;++n){const s=i[n],a=i[n+1],l=t(r,o,s),A=t(r,o,a),h=t(s,a,r),c=t(s,a,o);if(l!==A&&h!==c||0===l&&e(r,s,o)||0===A&&e(r,a,o)||0===h&&e(s,r,a)||0===c&&e(s,o,a))return!0}return!1}}();h=a((()=>{A(null),f.update(null),g&&g.update(null),d.updateBase(p.length>2?p.map((e=>e.getWorldPos())):null)}),((e,t)=>{const i=p.length>2&&_(e);if(m&&m.setHighlighted(!!i),A(i?i.canvasPos:e),f.update(!i&&t),g&&g.update(i?i.worldPos:t),p.length>=2){const e=p.map((e=>e.getWorldPos())).concat(i?[]:[t]),s=v(e.map((e=>[e[0],e[2]])),i);d.updateBase(s?null:e)}else d.updateBase(null)}),(function(e,a){const A=p.length>2&&_(e),h=p.map((e=>e.getWorldPos())).concat(A?[]:[a]);d.updateBase(h);const m=h.map((e=>[e[0],e[2]]));p.length>2&&v(m,A)?(u.pop()(),o(p)):A?(f.update(a),u.forEach((e=>e())),l(n.createZone({id:c.createUUID(),geometry:{planeCoordinates:m,altitude:t,height:i},alpha:r,color:s}))):(f.update(a),g&&g.update(a),o(p.concat(f)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){h(),u.forEach((e=>e()))}}};class rM extends D{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene;super(o);const n=e._geometry.altitude,a=e._geometry.planeCoordinates.map((t=>{const i=o.canvas.canvas.ownerDocument.body,s=new Ie(o,{},i,{fillColor:e._color});return s.worldPos=c.vec3([t[0],n,t[1]]),s.on("worldPos",(function(){t[0]=s.worldPos[0],t[1]=s.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),s})),l=Re({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t&&t.pointerLens,dots:a,ray2WorldPos:(e,t)=>eM(n,c.vec3([0,1,0]),e,t),onEnd:(t,i)=>(e._zoneMesh&&this.fire("edited"),!!e._zoneMesh)}),A=function(){l(),a.forEach((e=>e.destroy()))},h=e.on("destroyed",A);this._deactivate=function(){e.off("destroyed",h),A()}}deactivate(){this._deactivate(),super.destroy()}}class oM extends D{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene,n=o.canvas.canvas;super(o);const a=this,l=e._geometry.altitude,A=t&&t.pointerLens,h=A?function(e){A.visible=!!e,e&&(A.canvasPos=e)}:()=>{},u=e=>{const t=c.vec3(),i=c.vec3();return c.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,t,i),s=t,r=i,eM(l,c.vec3([0,1,0]),s,r);var s,r},d=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,Ce(n.ownerDocument.documentElement,n,t),t),p=function(e,t){const i=e=>{e.preventDefault(),t(e)};return n.addEventListener(e,i),()=>n.removeEventListener(e,i)};let f=()=>{};const g=function(t,i,s,o){const l=o(t),A=d(l,c.vec2()),g=r.scene.pick({canvasPos:A,includeEntities:[e._zoneMesh.id]});if((g&&g.entity&&g.entity.zone)===e){f(),n.style.cursor="move",r.cameraControl.active=!1;const t=function(){const t=e._geometry.planeCoordinates.map((e=>e.slice())),i=u(A),s=c.vec2([i[0],i[2]]),r=c.vec2();return function(i){const o=u(i);r[0]=o[0],r[1]=o[2],c.subVec2(s,r,r),e._geometry.planeCoordinates.forEach(((e,i)=>{c.subVec2(t[i],r,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}}(),l=p(i,(function(e){const i=o(e);if(i){const e=d(i,c.vec2());t(e),h(e)}})),g=p(s,(function(e){const i=o(e);if(i){const e=d(i,c.vec2());t(e),h(null),f(),a.fire("translated")}}));f=function(){f=()=>{},n.style.cursor="default",r.cameraControl.active=!0,l(),g()}}},m=[];i&&m.push(p("mousedown",(e=>{1===e.which&&g(e,"mousemove","mouseup",(e=>1===e.which&&e))}))),s&&m.push(p("touchstart",(e=>{if(1===e.touches.length){const t=e.touches[0].identifier;g(e,"touchmove","touchend",(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})));const _=function(){f(),m.forEach((e=>e())),h(null)},v=e.on("destroyed",_);this._deactivate=function(){e.off("destroyed",v),_()}}deactivate(){this._deactivate(),super.destroy()}}exports.AlphaFormat=1021,exports.AmbientLight=Zt,exports.AngleMeasurementEditMouseControl=class extends Ve{constructor(e,t){super(e,t,!0,!1)}},exports.AngleMeasurementEditTouchControl=class extends Ve{constructor(e,t){super(e,t,!1,!0)}},exports.AngleMeasurementsControl=Ne,exports.AngleMeasurementsMouseControl=Qe,exports.AngleMeasurementsPlugin=class extends V{constructor(e,t={}){super("AngleMeasurements",e),this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,angleMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get control(){return this._defaultControl||(this._defaultControl=new Qe(this,{})),this._defaultControl}get measurements(){return this._measurements}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.corner,s=e.target,r=new ke(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},corner:{entity:i.entity,worldPos:i.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:e.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[r.id]=r,r.on("destroyed",(()=>{delete this._measurements[r.id]})),r.clickable=!0,this.fire("measurementCreated",r),r}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}},exports.AngleMeasurementsTouchControl=class extends Ne{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new Q(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentAngleMeasurement=null,this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._touchState=0,this._attachPlugin(e,t)}_attachPlugin(e){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=c.vec3(),r=20;let o=null;this._touchState=0;const n=c.vec2(),a=c.vec2(),l=c.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},u=()=>{this.plugin.viewer.cameraControl.active=!0},d=()=>{o&&(clearTimeout(o),o=null),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),u(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const u=i.touches[0],p=u.clientX,f=u.clientY;switch(n.set([p,f]),a.set([p,f]),this._touchState){case 0:if(1!==l&&null!==o)return void d();const i=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement?this._currentAngleMeasurement.origin.worldPos=s:(this._currentAngleMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},corner:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1),this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=u.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=u.identifier;break;case 6:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=8,h()}),this._longTouchTimeoutMs),this._touchState=7),A=u.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(e=>{this.pointerCircle.stop();const i=e.touches.length;if(1!==i||1!==e.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const r=e.touches[0],n=r.clientX,l=r.clientY;if(r.identifier!==A)return;let h,c;switch(a.set([n,l]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(h.worldPos),this._currentAngleMeasurement.origin.worldPos=h.worldPos):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),s.set(c.worldPos),this._currentAngleMeasurement.origin.worldPos=c.worldPos):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.corner.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.corner.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1)),this._touchState=5;break;case 8:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.target.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.target.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0)),this._touchState=8}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0],d=h.clientX,p=h.clientY;if(h.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([d,p]),this._touchState){case 1:{if(1!==s||d>n[0]+r||d<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentAngleMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:i.worldPos},corner:{worldPos:i.worldPos},target:{worldPos:i.worldPos}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=3):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}u();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),u();break;case 4:{if(1!==s||d>n[0]+r||d<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=6):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}u();break;case 5:this.pointerLens&&(this.pointerLens.visible=!1),this._touchState=6,u();break;case 7:{if(1!==s||d>n[0]+r||d<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=6);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0}u();break;case 8:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement&&this._currentAngleMeasurement.targetVisible?(this._currentAngleMeasurement.clickable=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._touchState=0):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0),u()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}},exports.AnnotationsPlugin=class extends V{constructor(e,t){super("Annotations",e),this._labelHTML=t.labelHTML||"<div></div>",this._markerHTML=t.markerHTML||"<div></div>",this._container=t.container||document.body,this._values=t.values||{},this.annotations={},this.surfaceOffset=t.surfaceOffset}getContainerElement(){return this._container}send(e,t){if("clearAnnotations"===e)this.clear()}set surfaceOffset(e){null==e&&(e=.3),this._surfaceOffset=e}get surfaceOffset(){return this._surfaceOffset}createAnnotation(e){this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=null;e.markerElementId&&((t=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var i=null;e.labelElementId&&((i=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));const s=new ze(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:t,labelElement:i,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:_.apply(e.values,_.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(()=>{delete this.annotations[s.id],this.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}destroyAnnotation(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}clear(){const e=Object.keys(this.annotations);for(var t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}destroy(){this.clear(),super.destroy()}},exports.AxisGizmoPlugin=class extends V{constructor(e,t){super("AxisGizmo",e,t=t||{});const i=e.scene.camera;t.canvasId||t.canvasElement||this.error("Config expected: either 'canvasId' or 'canvasElement'");try{this._axisGizmoScene=new Ei(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0})}catch(e){return void this.error(e)}const s=this._axisGizmoScene;s.clearLights(),new Zt(s,{color:[.45,.45,.5],intensity:.9}),new Yt(s,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new Yt(s,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});const r=s.camera;i.on("matrix",(function(){const e=i.eye,t=i.look,s=i.up,o=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(e,t,[])),22);r.look=[0,0,0],r.eye=o,r.up=s}));const o=new Ai(s,ys({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),n=new Ai(s,ys({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),a=new pi(s,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),l=new pi(s,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new pi(s,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new pi(s,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),u=new pi(s,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),d=new pi(s,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new pi(s,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});this._meshes=[new vs(s,{geometry:new Ai(s,Bs({radius:9,heightSegments:60,widthSegments:60})),material:new pi(s,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==t.visible}),new vs(s,{geometry:new Ai(s,Bs({radius:1})),material:p,pickable:!1,collidable:!1,visible:!1!==t.visible}),new vs(s,{geometry:o,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[5,0,0],rotation:[0,0,-90]}),new vs(s,{geometry:n,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[2,0,0],rotation:[0,0,90]}),new vs(s,{geometry:new Ai(s,Ps({text:"X",size:1.5})),material:l,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[7,0,0],billboard:"spherical"}),new vs(s,{geometry:o,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,5,0]}),new vs(s,{geometry:n,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,2,0]}),new vs(s,{geometry:new Ai(s,Ps({text:"Y",size:1.5})),material:h,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,7,0],billboard:"spherical"}),new vs(s,{geometry:o,material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,5],rotation:[90,0,0]}),new vs(s,{geometry:n,material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,2],rotation:[90,0,0]}),new vs(s,{geometry:new Ai(s,Ps({text:"Z",size:1.5})),material:d,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,7],billboard:"spherical"})]}setVisible(e){for(let t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}destroy(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,super.destroy()}},exports.BCFViewpointsPlugin=class extends V{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=c.normalizeVec3(c.subVec3(i.look,i.eye,c.vec3())),a=i.eye,l=i.up;i.yUp&&(n=Vh(n),a=Vh(a),l=Vh(l));const A=Nh(c.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:Nh(n),camera_up_vector:Nh(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:Nh(n),camera_up_vector:Nh(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?c.negateVec3(t.dir,c.vec3()):t.dir,i.yUp&&(a=Vh(a),n=Vh(n)),c.addVec3(a,s),a=Nh(a),n=Nh(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const u=t.lineSets;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const d=t.bitmaps;for(let e in d)if(d.hasOwnProperty(e)){let t=d[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=Vh(r),n=Vh(n),a=Vh(a)),c.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:Nh(r),normal:Nh(n),up:Nh(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),f=new Set(t.xrayedObjectIds),g=new Set(t.colorizedObjectIds),m=Object.values(t.objects).filter((e=>p.has(e.id)||g.has(e.id)||f.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(m).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,y=t.visibleObjectIds,B=v.filter((e=>!b[e])),x=t.selectedObjectIds;return e.defaultInvisible||y.length<B.length?(o.components.visibility.exceptions=this._createBCFComponents(y),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(B),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(x),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=Qh(e.location,Lh),i=Qh(e.direction,Lh);A&&c.negateVec3(i),c.subVec3(t,l),r.yUp&&(t=Hh(t),i=Hh(i)),new ws(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new Rh(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=Qh(e.location,Uh),n=Qh(e.normal,Oh),a=Qh(e.up,kh),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=Hh(o),n=Hh(n),a=Hh(a)),new ar(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,u;if(e.perspective_camera?(a=Qh(e.perspective_camera.camera_view_point,Lh),A=Qh(e.perspective_camera.camera_direction,Lh),h=Qh(e.perspective_camera.camera_up_vector,Lh),r.perspective.fov=e.perspective_camera.field_of_view,u="perspective"):(a=Qh(e.orthogonal_camera.camera_view_point,Lh),A=Qh(e.orthogonal_camera.camera_direction,Lh),h=Qh(e.orthogonal_camera.camera_up_vector,Lh),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,u="ortho"),c.subVec3(a,l),r.yUp&&(a=Hh(a),A=Hh(A),h=Hh(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:c.addVec3(a,A,Lh)}else A=c.addVec3(a,A,Lh);n?(r.eye=a,r.look=A,r.up=h,r.projection=u):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:u})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=c.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}},exports.Bitmap=ar,exports.ByteType=1010,exports.CameraMemento=_c,exports.CameraPath=class extends D{get type(){return"CameraPath"}constructor(e,t={}){super(e,t),this._frames=[],this._eyeCurve=new tc(this),this._lookCurve=new tc(this),this._upCurve=new tc(this),t.frames&&(this.addFrames(t.frames),this.smoothFrameTimes(1))}get frames(){return this._frames}get eyeCurve(){return this._eyeCurve}get lookCurve(){return this._lookCurve}get upCurve(){return this._upCurve}saveFrame(e){const t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}addFrame(e,t,i,s){const r={t:e,eye:t.slice(0),look:i.slice(0),up:s.slice(0)};this._frames.push(r),this._eyeCurve.points.push(r.eye),this._lookCurve.points.push(r.look),this._upCurve.points.push(r.up)}addFrames(e){let t;for(let i=0,s=e.length;i<s;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}loadFrame(e){const t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,ic),t.look=this._lookCurve.getPoint(e,ic),t.up=this._upCurve.getPoint(e,ic)}sampleFrame(e,t,i,s){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,s)}smoothFrameTimes(e){if(0===this._frames.length)return;const t=c.vec3();var i=0;this._frames[0].t=0;const s=[];for(let e=1,o=this._frames.length;e<o;e++){var r=c.lenVec3(c.subVec3(this._frames[e].eye,this._frames[e-1].eye,t));s[e]=r,i+=r}for(let t=1,r=this._frames.length;t<r;t++){const r=s[t]/i*e;this._frames[t].t=this._frames[t-1].t+r}}clearFrames(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}},exports.CameraPathAnimation=Ac,exports.CityJSONLoaderPlugin=class extends V{constructor(e,t={}){super("cityJSONLoader",e,t),this.dataSource=t.dataSource}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new mC}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Sh(this.viewer.scene,_.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;const i={};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.cityJSON,e,i,t),s.processes--}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getCityJSON(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,o=t.stats||{};o.sourceFormat=e.type||"CityJSON",o.schemaVersion=e.version||"",o.title="",o.author="",o.created="",o.numMetaObjects=0,o.numPropertySets=0,o.numObjects=0,o.numGeometries=0,o.numTriangles=0,o.numVertices=0;const n=!1!==t.loadMetadata,a=n?{id:c.createUUID(),name:"Model",type:"Model"}:null,l=n?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,A={data:e,vertices:r,sceneModel:s,loadMetadata:n,metadata:l,rootMetaObject:a,nextId:0,stats:o};if(this._parseCityJSON(A),s.finalize(),n){const e=s.id;this.viewer.metaScene.createMetaModel(e,A.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_transformVertices(e,t,i){const s=[],r=t.scale||c.vec3([1,1,1]),o=t.translate||c.vec3([0,0,0]);for(let t=0,n=0;t<e.length;t++,n+=3){const n=e[t][0]*r[0]+o[0],a=e[t][1]*r[1]+o[1],l=e[t][2]*r[2]+o[2];i?s.push([n,l,a]):s.push([n,a,l])}return s}_parseCityJSON(e){const t=e.data.CityObjects;for(const i in t)if(t.hasOwnProperty(i)){const s=t[i];this._parseCityObject(e,s,i)}}_parseCityObject(e,t,i){const s=e.sceneModel,r=e.data;if(e.loadMetadata){const s=i,r=t.type,o=r+" : "+i,n=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:s,name:o,type:r,parent:n})}if(e.stats.numMetaObjects++,!(t.geometry&&t.geometry.length>0))return;const o=[];for(let i=0,s=t.geometry.length;i<s;i++){const s=t.geometry[i];let n,a;const l=r.appearance;if(l){const e=l.materials;if(e){const t=s.material;if(t){const s=Object.keys(t);if(s.length>0){const r=t[s[0]];if(void 0!==r.value)n=e[r.value];else{const t=r.values;if(t){a=[];for(let s=0,r=t.length;s<r;s++){const s=e[t[i]];a.push(s)}}}}}}}a?this._parseGeometrySurfacesWithOwnMaterials(e,s,a,o):this._parseGeometrySurfacesWithSharedMaterial(e,s,n,o)}o.length>0&&(s.createEntity({id:i,meshIds:o,isObject:!0}),e.stats.numObjects++)}_parseGeometrySurfacesWithOwnMaterials(e,t,i,s){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const r=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,r,s);break;case"Solid":const o=t.boundaries;for(let t=0;t<o.length;t++){const r=o[t];this._parseSurfacesWithOwnMaterials(e,i,r,s)}break;case"MultiSolid":case"CompositeSolid":const n=t.boundaries;for(let t=0;t<n.length;t++)for(let r=0;r<n[t].length;r++){const o=n[t][r];this._parseSurfacesWithOwnMaterials(e,i,o,s)}}}_parseSurfacesWithOwnMaterials(e,t,i,s){const r=e.vertices,o=e.sceneModel;for(let n=0;n<i.length;n++){const a=i[n],l=t[n]||{diffuseColor:[.8,.8,.8],transparency:1},A=[],h=[],u=[],d={positions:[],indices:[]};for(let t=0;t<a.length;t++){A.length>0&&h.push(A.length);const i=this._extractLocalIndices(e,a[t],u,d);A.push(...i)}if(3===A.length)d.indices.push(A[0]),d.indices.push(A[1]),d.indices.push(A[2]);else if(A.length>3){const e=[];for(let t=0;t<A.length;t++)e.push({x:r[u[A[t]]][0],y:r[u[A[t]]][1],z:r[u[A[t]]][2]});const t=this._getNormalOfPositions(e,c.vec3());let i=[];for(let s=0;s<e.length;s++)this._to2D(e[s],t,GC),i.unshift(GC[0]),i.unshift(GC[1]);const s=_C(i,h,2);for(let e=0;e<s.length;e+=3)d.indices.unshift(A[s[e]]),d.indices.unshift(A[s[e+1]]),d.indices.unshift(A[s[e+2]])}const p=""+e.nextId++;o.createMesh({id:p,primitive:"triangles",positions:d.positions,indices:d.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),s.push(p),e.stats.numGeometries++,e.stats.numVertices+=d.positions.length/3,e.stats.numTriangles+=d.indices.length/3}}_parseGeometrySurfacesWithSharedMaterial(e,t,i,s){const r=e.sceneModel,o=[],n={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const i=t.boundaries;this._parseSurfacesWithSharedMaterial(e,i,o,n);break;case"Solid":const s=t.boundaries;for(let t=0;t<s.length;t++){const i=s[t];this._parseSurfacesWithSharedMaterial(e,i,o,n)}break;case"MultiSolid":case"CompositeSolid":const r=t.boundaries;for(let t=0;t<r.length;t++)for(let i=0;i<r[t].length;i++){const s=r[t][i];this._parseSurfacesWithSharedMaterial(e,s,o,n)}}if(n.positions.length>0&&n.indices.length>0){const t=""+e.nextId++;r.createMesh({id:t,primitive:"triangles",positions:n.positions,indices:n.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),s.push(t),e.stats.numGeometries++,e.stats.numVertices+=n.positions.length/3,e.stats.numTriangles+=n.indices.length/3}}_parseSurfacesWithSharedMaterial(e,t,i,s){const r=e.vertices;for(let o=0;o<t.length;o++){let n=[],a=[];for(let r=0;r<t[o].length;r++){n.length>0&&a.push(n.length);const l=this._extractLocalIndices(e,t[o][r],i,s);n.push(...l)}if(3===n.length)s.indices.push(n[0]),s.indices.push(n[1]),s.indices.push(n[2]);else if(n.length>3){let e=[];for(let t=0;t<n.length;t++)e.push({x:r[i[n[t]]][0],y:r[i[n[t]]][1],z:r[i[n[t]]][2]});const t=this._getNormalOfPositions(e,c.vec3());let o=[];for(let i=0;i<e.length;i++)this._to2D(e[i],t,GC),o.unshift(GC[0]),o.unshift(GC[1]);const l=_C(o,a,2);for(let e=0;e<l.length;e+=3)s.indices.unshift(n[l[e]]),s.indices.unshift(n[l[e+1]]),s.indices.unshift(n[l[e+2]])}}}_extractLocalIndices(e,t,i,s){const r=e.vertices,o=[];for(let e=0,n=t.length;e<n;e++){const n=t[e];if(i.includes(n)){const e=i.indexOf(n);o.push(e)}else s.positions.push(r[n][0]),s.positions.push(r[n][1]),s.positions.push(r[n][2]),o.push(i.length),i.push(n)}return o}_getNormalOfPositions(e,t){for(let i=0;i<e.length;i++){let s=i+1;s===e.length&&(s=0),t[0]+=(e[i].y-e[s].y)*(e[i].z+e[s].z),t[1]+=(e[i].z-e[s].z)*(e[i].x+e[s].x),t[2]+=(e[i].x-e[s].x)*(e[i].y+e[s].y)}return c.normalizeVec3(t)}_to2D(e,t,i){const s=zC,r=KC,o=WC;s[0]=e.x,s[1]=e.y,s[2]=e.z,r[0]=t.x,r[1]=t.y,r[2]=t.z,o[0]=1.1,o[1]=1.1,o[2]=1.1;c.lenVec3(c.subVec3(o,r))<.01&&(o[0]+=1,o[1]+=2,o[2]+=3);const n=c.dotVec3(o,r),a=c.mulVec3Scalar(r,n,c.vec3());o[0]-=a[0],o[1]-=a[1],o[2]-=a[2],c.normalizeVec3(o);const l=c.cross3Vec3(r,o,c.vec3()),A=c.dotVec3(s,o),h=c.dotVec3(s,l);i[0]=A,i[1]=h}},exports.ClampToEdgeWrapping=1001,exports.Component=D,exports.CompressedMediaType=10003,exports.Configs=go,exports.ContextMenu=class{constructor(e={}){this._id=t.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==e.hideOnMouseDown&&(document.addEventListener("mousedown",(e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),e.items&&(this.items=e.items),this._hideOnAction=!1!==e.hideOnAction,this.context=e.context,this.enabled=!1!==e.enabled,this.hide()}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}set items(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}get items(){return this._itemsCfg}set enabled(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}get enabled(){return this._enabled}set context(e){this._context=e}get context(){return this._context}show(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}get shown(){return this._shown}hide(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}destroy(){this._context=null,this._clear(),null!==this._id&&(t.removeItem(this._id),this._id=null)}_clear(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e].menuElement;t.parentElement.removeChild(t)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}_parseItems(e){const t=e=>{const o=this._getNextId(),n=new i(o);for(let i=0,o=e.length;i<o;i++){const o=e[i],a=new s;n.groups.push(a);for(let e=0,i=o.length;e<i;e++){const i=o[e],s=i.items,l=s&&s.length>0,A=this._getNextId(),h=i.getTitle||(()=>i.title||""),c=i.doAction||i.callback||(()=>{}),u=i.getEnabled||(()=>!0),d=i.getShown||(()=>!0),p=new r(A,h,c,u,d);if(p.parentMenu=n,a.items.push(p),l){const e=t(s);p.subMenu=e,e.parentItem=p}this._itemList.push(p),this._itemMap[p.id]=p}}return this._menuList.push(n),this._menuMap[n.id]=n,n};this._rootMenu=t(e)}_getNextId(){return"ContextMenu_"+this._id+"_"+this._nextId++}_createUI(){const e=t=>{this._createMenuUI(t);const i=t.groups;for(let t=0,s=i.length;t<s;t++){const s=i[t].items;for(let t=0,i=s.length;t<i;t++){const i=s[t].subMenu;i&&e(i)}}};e(this._rootMenu)}_createMenuUI(e){const t=e.groups,i=[];if(i.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),i.push("<ul>"),t)for(let e=0,s=t.length;e<s;e++){const r=e,o=s,n=t[e].items;if(n)for(let e=0,t=n.length;e<t;e++){const s=n[e],a=s.subMenu,l=s.title||"";a?(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>')):(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>'))}}i.push("</ul>"),i.push("</div>");const s=i.join("");document.body.insertAdjacentHTML("beforeend",s);const r=document.querySelector("."+e.id);e.menuElement=r,r.style["border-radius"]="4px",r.style.display="none",r.style["z-index"]=3e5,r.style.background="white",r.style.border="1px solid black",r.style["box-shadow"]="0 4px 5px 0 gray",r.oncontextmenu=e=>{e.preventDefault()};const o=this;let n=null;if(t)for(let e=0,i=t.length;e<i;e++){const i=t[e].items;if(i)for(let e=0,t=i.length;e<t;e++){const t=i[e],s=t.subMenu;t.itemElement=document.getElementById(t.id),t.itemElement?(t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault();const i=t.subMenu;if(!i)return void(n&&(o._hideMenu(n.id),n=null));if(n&&n.id!==i.id&&(o._hideMenu(n.id),n=null),!1===t.enabled)return;const s=t.itemElement,r=i.menuElement,a=s.getBoundingClientRect();r.getBoundingClientRect();const l=200,A=a.right+l<window.innerWidth,h=a.left-l>0;if(A)o._showMenu(i.id,a.right-5,a.top-1);else if(h)o._showMenu(i.id,a.left-l,a.top-1);else{const e=a.left,t=window.innerWidth-a.right;t>e?o._showMenu(i.id,a.right-5-(l-t),a.top-1):o._showMenu(i.id,a.left-e,a.top-1)}n=i})),s||(t.itemElement.addEventListener("click",(e=>{e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus()))})),t.itemElement.addEventListener("mouseup",(e=>{3===e.which&&(e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus())))})),t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault(),!1!==t.enabled&&t.doHover&&t.doHover(o._context)})))):console.error("ContextMenu item element not found: "+t.id)}}}_updateItemsTitles(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getShown;if(!s||!s(this._context))continue;const r=t.getTitle(this._context);t.subMenu,i.innerText=r}}_updateItemsEnabledStatus(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getEnabled;if(!s)continue;const r=t.getShown;if(!r)continue;const o=r(this._context);if(t.shown=o,!o){i.style.display="none";continue}i.style.display="";const n=s(this._context);t.enabled=n,n?i.classList.remove("disabled"):i.classList.add("disabled")}}_updateSubMenuInfo(){if(!this._context)return;let e,t,i,s,r,o;this._itemList.forEach((n=>{n.subMenu&&(e=n.itemElement,t=e.getBoundingClientRect(),i=n.subMenu.menuElement,s={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",o=n.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=s.visibility,i.style.display=s.display,r=t.right+o>window.innerWidth,e.setAttribute("data-submenuposition",r?"left":"right"))}))}_showMenu(e,t,i){const s=this._menuMap[e];if(!s)return void console.error("Menu not found: "+e);if(s.shown)return;const r=s.menuElement;r&&(this._showMenuElement(r,t,i),s.shown=!0)}_hideMenu(e){const t=this._menuMap[e];if(!t)return void console.error("Menu not found: "+e);if(!t.shown)return;const i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}_hideAllMenus(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e];this._hideMenu(t.id)}}_showMenuElement(e,t,i){e.style.display="block";const s=e.offsetHeight,r=e.offsetWidth;i+s>window.innerHeight&&(i=window.innerHeight-s),t+r>window.innerWidth&&(t=window.innerWidth-r),e.style.left=t+"px",e.style.top=i+"px"}_hideMenuElement(e){e.style.display="none"}},exports.CubicBezierCurve=class extends ec{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.v3=t.v3,this.t=t.t}set v0(e){this._v0=e||c.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||c.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||c.vec3([0,0,0])}get v2(){return this._v2}set v3(e){this.fire("v3",this._v3=e||c.vec3([0,0,0]))}get v3(){return this._v3}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=c.vec3();return t[0]=c.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=c.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=c.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}},exports.Curve=ec,exports.DefaultLoadingManager=qA,exports.DepthFormat=1026,exports.DepthStencilFormat=1027,exports.DirLight=Yt,exports.DistanceMeasurementEditControl=Jh,exports.DistanceMeasurementEditMouseControl=class extends Jh{constructor(e,t){super(e,t,!0,!1)}},exports.DistanceMeasurementEditTouchControl=class extends Jh{constructor(e,t){super(e,t,!1,!0)}},exports.DistanceMeasurementsControl=Wh,exports.DistanceMeasurementsMouseControl=Xh,exports.DistanceMeasurementsPlugin=class extends V{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultXLabelEnabled=!1!==t.defaultXLabelEnabled,this.defaultYLabelEnabled=!1!==t.defaultYLabelEnabled,this.defaultZLabelEnabled=!1!==t.defaultZLabelEnabled,this.defaultLengthLabelEnabled=!1!==t.defaultLengthLabelEnabled,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this.useRotationAdjustment=void 0!==t.useRotationAdjustment&&!1!==t.useRotationAdjustment,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new Xh(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}set useRotationAdjustment(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new Kh(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==e.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==e.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==e.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==e.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}},exports.DistanceMeasurementsTouchControl=class extends Wh{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new Q(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._attachPlugin(e,t)}_attachPlugin(e){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=c.vec3(),r=20;let o=null;this._touchState=0;const n=c.vec2(),a=c.vec2(),l=c.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},u=()=>{this.plugin.viewer.cameraControl.active=!0},d=()=>{o&&(clearTimeout(o),o=null),this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),u(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=l=>{const u=l.touches.length;if(1!==u)return void(o&&(clearTimeout(o),o=null));const p=l.touches[0],f=i.getBoundingClientRect(),g=p.clientX-f.left,m=p.clientY-f.top;switch(n.set([g,m]),a.set([g,m]),this._touchState){case 0:if(1!==u&&null!==o)return void d();const i=t.pick({canvasPos:a,snapping:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==u||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=s:(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:s,entity:i.entity},target:{worldPos:s,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=p.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((()=>{if(o=null,1!==u||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=p.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(r=>{this.pointerCircle.stop();const n=r.touches.length;if(1!==n||1!==r.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const l=r.touches[0],h=i.getBoundingClientRect(),u=l.clientX-h.left,d=l.clientY-h.top;if(l.identifier!==A)return;let p,f;switch(a.set([u,d]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),p=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),p&&p.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=p.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(p.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=p.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:p.worldPos,entity:p.entity},target:{worldPos:p.worldPos,entity:p.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(f=t.pick({canvasPos:a,pickSurface:!0}),f&&f.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=f.canvasPos,this.pointerLens.snapped=!1),s.set(f.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=f.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:f.worldPos,entity:f.entity},target:{worldPos:f.worldPos,entity:f.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==n&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),p=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),p&&p.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=p.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement.target.worldPos=p.worldPos,this._currentDistanceMeasurement.target.entity=p.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0):(f=t.pick({canvasPos:a,pickSurface:!0}),f&&f.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=f.canvasPos,this.pointerLens.snapped=!1),this._currentDistanceMeasurement.target.worldPos=f.worldPos,this._currentDistanceMeasurement.target.entity=f.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0)),this._touchState=5}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=s=>{this.pointerCircle.stop();const h=s.changedTouches.length;if(1!==h)return;const d=s.changedTouches[0],p=i.getBoundingClientRect(),f=d.clientX-p.left,g=d.clientY-p.top;if(d.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([f,g]),this._touchState){case 1:{if(1!==h||f>n[0]+r||f<n[0]-r||g>n[1]+r||g<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1,this._touchState=3,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(this._currentDistanceMeasurement&&this._currentDistanceMeasurement.destroy(),this._touchState=0)}u();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),u();break;case 4:{if(1!==h||f>n[0]+r||f<n[0]-r||g>n[1]+r||g<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this._currentDistanceMeasurement.xAxisVisible=!0,this._currentDistanceMeasurement.yAxisVisible=!0,this._currentDistanceMeasurement.zAxisVisible=!0,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0}u();break;case 5:console.log("long touch"),this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement&&this._currentDistanceMeasurement.targetVisible?(this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,this._touchState=0):(this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0),u()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}},exports.Dot3D=Ie,exports.DotBIMDefaultDataSource=XC,exports.DotBIMLoaderPlugin=class extends V{constructor(e,t={}){super("DotBIMLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new XC}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||cP}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Sh(this.viewer.scene,_.apply(e,{isModel:!0,backfaces:e.backfaces,dtxEnabled:e.dtxEnabled,rotation:e.rotation,origin:e.origin})),i=t.id;if(!e.src&&!e.dotBIM)return this.error("load() param expected: src or dotBIM"),t;const s=e.objectDefaults||this._objectDefaults||cP;let r,o;if(e.includeTypes){r={};for(let t=0,i=e.includeTypes.length;t<i;t++)r[e.includeTypes[t]]=!0}if(e.excludeTypes){o={},r||(r={});for(let t=0,i=e.excludeTypes.length;t<i;t++)r[e.excludeTypes[t]]=!0}const n=e=>{const t=e.fileData,n=e.sceneModel,a={},l=c.createUUID(),A=c.createUUID(),h=c.createUUID(),u=c.createUUID(),d={metaObjects:[{id:l,name:"Project",type:"Project",parent:null},{id:A,name:"Site",type:"Site",parent:l},{id:h,name:"Building",type:"Building",parent:A},{id:u,name:"BuildingStorey",type:"BuildingStorey",parent:h}],propertySets:[]},p=(e,i)=>{if(a[e])return;const s=t.meshes.find((e=>e.mesh_id===i.mesh_id));n.createGeometry({id:e,primitive:"triangles",positions:s.coordinates,indices:s.indices}),a[e]=!0},f=t.elements;for(let e=0,i=f.length;e<i;e++){const i=f[e],a=i.type;if(o&&o[a])continue;if(r&&!r[a])continue;const l=i.info,A=void 0!==i.guid?`${i.guid}`:void 0!==l&&void 0!==l.id?l.id:e,h=i.mesh_id,c=i.vector,g=i.rotation,m=s?s[a]||s.DEFAULT:null;let _=!0,v=!0;if(void 0===i.face_colors){p(h,i);const e=`${A}-mesh`;let t=i.color?[i.color.r/255,i.color.g/255,i.color.b/255]:[1,1,1],s=i.color?i.color.a/255:1;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(t=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(s=m.opacity)),n.createMesh({id:e,geometryId:h,color:t,opacity:s,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:c?[c.x,c.y,c.z]:void 0}),n.createEntity({id:A,meshIds:[e],visible:_,pickable:v,isObject:!0})}else{let e=i.face_colors,s={},r=0,o=t.meshes.find((e=>e.mesh_id===i.mesh_id));for(let t=0,i=e.length;t<i;t+=4){let i=[e[t],e[t+1],e[t+2],e[t+3]];void 0===s[i]&&(s[i]=[]);let n=o.indices[r],a=o.coordinates[3*n],l=o.coordinates[3*n+1],A=o.coordinates[3*n+2],h=o.indices[r+1],c=o.coordinates[3*h],u=o.coordinates[3*h+1],d=o.coordinates[3*h+2],p=o.indices[r+2],f=o.coordinates[3*p],g=o.coordinates[3*p+1],m=o.coordinates[3*p+2];s[i].push(a,l,A,c,u,d,f,g,m),r+=3}let a=[];for(const[e,t]of Object.entries(s)){n.createGeometry({id:`${h}-${e}`,primitive:"triangles",positions:t,indices:[...Array(t.length/3).keys()]});const i=`${A}-mesh-${e}`,s=e.split(",").map(Number);let r=[s[0]/255,s[1]/255,s[2]/255],o=s[3]/255;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(r=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(o=m.opacity)),n.createMesh({id:i,geometryId:`${h}-${e}`,color:r,opacity:o,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:c?[c.x,c.y,c.z]:void 0}),a.push(i)}n.createEntity({id:A,meshIds:a,visible:_,pickable:v,isObject:!0})}let b=[];for(let e in l)b.push({name:e,value:l[e]});d.propertySets.push({id:A,name:"Properties",properties:b}),d.metaObjects.push({id:A,name:l&&l.Name&&"None"!==l.Name?l.Name:`${i.type} ${A}`,type:i.type,parent:u,propertySetIds:[A]})}n.finalize(),this.viewer.metaScene.createMetaModel(i,d),n.scene.once("tick",(()=>{n.destroyed||(n.scene.fire("modelLoaded",n.id),n.fire("loaded",!0,!1))}))};if(e.src){const i=e.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(i,(e=>{n({fileData:e,sceneModel:t,nextId:0,error:function(e){}}),this.viewer.scene.canvas.spinner.processes--}),(e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e)}))}else if(e.dotBIM){const i={fileData:e.dotBIM,sceneModel:t,nextId:0,error:function(e){}};n(i)}return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}},exports.EdgeMaterial=_i,exports.EmphasisMaterial=gi,exports.FaceAlignedSectionPlanesPlugin=class extends V{constructor(e,t={}){if(super("FaceAlignedSectionPlanesPlugin",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,this._dragSensitivity=t.dragSensitivity||1,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new kP(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;NP.set(this.viewer.scene.aabb),c.getAABB3Center(NP,QP),NP[0]+=t[0]-QP[0],NP[1]+=t[1]-QP[1],NP[2]+=t[2]-QP[2],NP[3]+=t[0]-QP[0],NP[4]+=t[1]-QP[1],NP[5]+=t[2]-QP[2],this.viewer.cameraFlight.flyTo({aabb:NP,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}null===t.controlElementId||void 0===t.controlElementId?this.error("Parameter expected: controlElementId"):(this._controlElement=document.getElementById(t.controlElementId),this._controlElement||this.warn("Can't find control element: '"+t.controlElementId+"' - will create plugin without control element")),this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setDragSensitivity(e){this._dragSensitivity=e||1}getDragSensitivity(){return this._dragSensitivity}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new ws(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new UP(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(let e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){let t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){let e=this._freeControls.pop();for(;e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}},exports.FastNavPlugin=class extends V{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._originalCanvasResolutionScale=e.scene.canvas.resolutionScale,this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor||this._originalCanvasResolutionScale||1,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}},exports.FloatType=1015,exports.Fresnel=class extends D{get type(){return"Fresnel"}constructor(e,t={}){super(e,t),this._state=new Mt({edgeColor:c.vec3([0,0,0]),centerColor:c.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),this.edgeColor=t.edgeColor,this.centerColor=t.centerColor,this.edgeBias=t.edgeBias,this.centerBias=t.centerBias,this.power=t.power}set edgeColor(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set centerColor(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}get centerColor(){return this._state.centerColor}set edgeBias(e){this._state.edgeBias=e||0,this.glRedraw()}get edgeBias(){return this._state.edgeBias}set centerBias(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}get centerBias(){return this._state.centerBias}set power(e){this._state.power=null!=e?e:1,this.glRedraw()}get power(){return this._state.power}destroy(){super.destroy(),this._state.destroy()}},exports.Frustum=U,exports.FrustumPlane=L,exports.GIFMediaType=1e4,exports.GLTFDefaultDataSource=Yh,exports.GLTFLoaderPlugin=class extends V{constructor(e,t={}){super("GLTFLoader",e,t),this._sceneModelLoader=new oP(this,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new Yh}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||cP}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Sh(this.viewer.scene,_.apply(e,{isModel:!0,dtxEnabled:e.dtxEnabled})),i=t.id;if(!e.src&&!e.gltf)return this.error("load() param expected: src or gltf"),t;if(e.metaModelSrc||e.metaModelJSON){const s=s=>{this.viewer.metaScene.createMetaModel(i,s,{}),this.viewer.scene.canvas.spinner.processes--,e.src?this._sceneModelLoader.load(this,e.src,s,e,t):this._sceneModelLoader.parse(this,e.gltf,s,e,t)};if(e.metaModelSrc){const t=e.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(t,(e=>{this.viewer.scene.canvas.spinner.processes--,s(e)}),(e=>{this.error(`load(): Failed to load model metadata for model '${i} from  '${t}' - ${e}`),this.viewer.scene.canvas.spinner.processes--}))}else e.metaModelJSON&&s(e.metaModelJSON)}else e.src?this._sceneModelLoader.load(this,e.src,null,e,t):this._sceneModelLoader.parse(this,e.gltf,null,e,t);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}},exports.HalfFloatType=1016,exports.ImagePlane=class extends D{constructor(e,t={}){super(e,t),this._src=null,this._image=null,this._pos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._dir=c.vec3(),this._size=1,this._imageSize=c.vec2(),this._texture=new Zs(this),this._plane=new vs(this,{geometry:new Ai(this,rr({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new pi(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0}),clippable:t.clippable}),this._grid=new vs(this,{geometry:new Ai(this,sr({size:1,divisions:10})),material:new pi(this,{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:t.clippable}),this._node=new Ls(this,{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[this._plane,this._grid]}),this._gridVisible=!1,this.visible=!0,this.gridVisible=t.gridVisible,this.position=t.position,this.rotation=t.rotation,this.dir=t.dir,this.size=t.size,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,t.image?this.image=t.image:this.src=t.src}set visible(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}get visible(){return this._plane.visible}set gridVisible(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}get gridVisible(){return this._gridVisible}set image(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set position(e){this._pos.set(e||[0,0,0]),Y(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}get position(){return this._pos}set rotation(e){this._node.rotation=e}get rotation(){return this._node.rotation}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set dir(e){if(this._dir.set(e||[0,0,-1]),e){const t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];c.subVec3(t,this.position,hc);const s=-c.dotVec3(i,hc);c.normalizeVec3(i),c.mulVec3Scalar(i,s,cc),c.vec3PairToQuaternion(uc,e,dc),this._node.quaternion=dc}}get dir(){return this._dir}set collidable(e){this._node.collidable=!1!==e}get collidable(){return this._node.collidable}set clippable(e){this._node.clippable=!1!==e}get clippable(){return this._node.clippable}set pickable(e){this._node.pickable=!1!==e}get pickable(){return this._node.pickable}set opacity(e){this._node.opacity=e}get opacity(){return this._node.opacity}destroy(){super.destroy()}_updatePlaneSizeFromImage(){const e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){const s=i/t;this._node.scale=[e,1,e*s]}else{const s=t/i;this._node.scale=[e*s,1,e]}}},exports.IntType=1013,exports.JPEGMediaType=10001,exports.KTX2TextureTranscoder=rh,exports.LASLoaderPlugin=class extends V{constructor(e,t={}){super("lasLoader",e,t),this.dataSource=t.dataSource,this.skip=t.skip,this.fp64=t.fp64,this.colorDepth=t.colorDepth,this.center=t.center,this.rotate=t.rotate,this.rotateX=t.rotateX,this.transform=t.transform}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new AC}get skip(){return this._skip}set skip(e){this._skip=e||1}get fp64(){return this._fp64}set fp64(e){this._fp64=!!e}get colorDepth(){return this._colorDepth}set colorDepth(e){this._colorDepth=e||"auto"}get center(){return this._center}set center(e){this._center=!!e}get transform(){return this._transform}set transform(e){this._transform=e}get rotate(){return this._rotate}set rotate(e){this._rotate=e}get rotateX(){return this._rotateX}set rotateX(e){this._rotateX=e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Sh(this.viewer.scene,_.apply(e,{maxGeometryBatchSize:5e5,isModel:!0}));if(!e.src&&!e.las)return this.error("load() param expected: src or las"),t;const i={las:{skip:this._skip,fp64:this._fp64,colorDepth:this._colorDepth}};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.las,e,i,t).then((()=>{s.processes--}),(e=>{s.processes--,this.error(e),t.fire("error",e)}))}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getLAS(t.src,(e=>{this._parseModel(e,t,i,s).then((()=>{r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){const r=e=>{const t=e.value;if(this._center){const e=c.vec3(),i=t.length;for(let i=0,s=t.length;i<s;i+=3)e[0]+=t[i+0],e[1]+=t[i+1],e[2]+=t[i+2];e[0]/=i,e[1]/=i,e[2]/=i;for(let i=0,s=t.length;i<s;i+=3)t[i+0]-=e[0],t[i+1]-=e[1],t[i+2]-=e[2]}if(this._rotateX&&t)for(let e=0,i=t.length;e<i;e+=3){const i=t[e+1];t[e+1]=t[e+2],t[e+2]=i}if(this._rotate){const e=c.identityQuaternion(),i=c.mat4();c.eulerToQuaternion(this._rotate,"XYZ",e),c.quaternionToRotationMat4(e,i);const s=c.vec3();for(let e=0,r=t.length;e<r;e+=3)s[0]=t[e+0],s[1]=t[e+1],s[2]=t[e+2],c.transformPoint3(i,s,s),t[e+0]=s[0],t[e+1]=s[1],t[e+2]=s[2]}if(this._transform){const e=c.mat4(this._transform),i=c.vec3();for(let s=0,r=t.length;s<r;s+=3)i[0]=t[s+0],i[1]=t[s+1],i[2]=t[s+2],c.transformPoint3(e,i,i),t[s+0]=i[0],t[s+1]=i[1],t[s+2]=i[2]}return t};function o(e,t){const i=e.value,s=e.size,r=t.value,o=4*r.length,n=new Uint8Array(o);for(let e=0,t=0,o=0,a=r.length;e<a;e++,o+=s,t+=4)n[t+0]=i[o+0],n[t+1]=i[o+1],n[t+2]=i[o+2],n[t+3]=Math.round(r[e]/65536*255);return n}function n(e){const t=e.value,i=4*t.length,s=new Uint8Array(i);for(let e=0,i=0,r=t.length;e<r;e++,i+=4)s[i+0]=0,s[i+1]=0,s[i+2]=0,s[i+3]=Math.round(t[e]/65536*255);return s}return new Promise(((a,l)=>{if(s.destroyed)return void l();const A=t.stats||{};A.sourceFormat="LAS",A.schemaVersion="",A.title="",A.author="",A.created="",A.numMetaObjects=0,A.numPropertySets=0,A.numObjects=0,A.numGeometries=0,A.numTriangles=0,A.numVertices=0;try{const A=dC(e);xy(e,hC,i).then((e=>{const h=e.attributes,u=e.loaderData,d=void 0!==u.pointsFormatId?u.pointsFormatId:-1;if(!h.POSITION)return s.finalize(),void l("No positions found in file");let p,f;switch(d){case 0:p=r(h.POSITION),f=n(h.intensity);break;case 1:if(!h.intensity)return s.finalize(),void l("No positions found in file");p=r(h.POSITION),f=n(h.intensity);break;case 2:case 3:if(!h.intensity)return s.finalize(),void l("No positions found in file");p=r(h.POSITION),f=o(h.COLOR_0,h.intensity)}const g=gC(p,15e5),m=gC(f,2e6),_=[];for(let e=0,t=g.length;e<t;e++){const t=`pointsMesh${e}`;_.push(t),s.createMesh({id:t,primitive:"points",positions:g[e],colorsCompressed:e<m.length?m[e]:null})}const v=t.entityId||c.createUUID();if(s.createEntity({id:v,meshIds:_,isObject:!0}),s.finalize(),t.metaModelJSON){const e=s.id;this.viewer.metaScene.createMetaModel(e,t.metaModelJSON,i)}else if(!1!==t.loadMetadata){const e=c.createUUID(),t={projectId:"",author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[{id:e,name:"Model",type:"Model"},{id:v,name:"PointCloud (LAS)",type:"PointCloud",parent:e,attributes:A||{}}],propertySets:[]},r=s.id;this.viewer.metaScene.createMetaModel(r,t,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))})),a()}))}catch(e){s.finalize(),l(e)}}))}},exports.Label3D=De,exports.LambertMaterial=Us,exports.LightMap=class extends mc{get type(){return"LightMap"}constructor(e,t={}){super(e,t),this.scene._lightMapCreated(this)}destroy(){super.destroy(),this.scene._lightMapDestroyed(this)}},exports.LineSet=Rh,exports.LinearEncoding=3e3,exports.LinearFilter=1006,exports.LinearMipMapLinearFilter=1008,exports.LinearMipMapNearestFilter=1007,exports.LinearMipmapLinearFilter=1008,exports.LinearMipmapNearestFilter=1007,exports.Loader=$A,exports.LoadingManager=ZA,exports.LocaleService=Zh,exports.LuminanceAlphaFormat=1025,exports.LuminanceFormat=1024,exports.Map=e,exports.Marker=de,exports.MarqueePicker=N,exports.MarqueePickerMouseControl=class extends D{constructor(e){super(e.marqueePicker,e);const t=e.marqueePicker,i=t.viewer.scene.canvas.canvas;let s,r,o,n,a,l,A,h=!1,c=!1,u=!1;i.addEventListener("mousedown",(e=>{this.getActive()&&0===e.button&&(A=setTimeout((function(){const o=t.viewer.scene.input;o.keyDown[o.KEY_CTRL]||t.clear(),s=e.pageX,r=e.pageY,a=e.offsetX,t.setMarqueeCorner1([s,r]),h=!0,t.viewer.cameraControl.pointerEnabled=!1,t.setMarqueeVisible(!0),i.style.cursor="crosshair"}),400),c=!0)})),i.addEventListener("mouseup",(e=>{if(!this.getActive())return;if(!h&&!u)return;if(0!==e.button)return;clearTimeout(A),o=e.pageX,n=e.pageY;const i=Math.abs(o-s),a=Math.abs(n-r);h=!1,t.viewer.cameraControl.pointerEnabled=!0,u&&(u=!1),(i>3||a>3)&&t.pick()})),document.addEventListener("mouseup",(e=>{this.getActive()&&0===e.button&&(clearTimeout(A),h&&(t.setMarqueeVisible(!1),h=!1,c=!1,u=!0,t.viewer.cameraControl.pointerEnabled=!0))}),!0),i.addEventListener("mousemove",(e=>{this.getActive()&&0===e.button&&c&&(clearTimeout(A),h&&(o=e.pageX,n=e.pageY,l=e.offsetX,t.setMarqueeVisible(!0),t.setMarqueeCorner2([o,n]),t.setPickMode(a<l?N.PICK_MODE_INSIDE:N.PICK_MODE_INTERSECTS)))}))}setActive(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}getActive(){return this._active}destroy(){}},exports.Mesh=vs,exports.MeshSurfaceArea=br,exports.MeshVolume=ur,exports.MetallicMaterial=Ns,exports.MirroredRepeatWrapping=1002,exports.ModelMemento=class{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?_.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(vc[0]=this.objectsColorize[3*e+0],vc[1]=this.objectsColorize[3*e+1],vc[2]=this.objectsColorize[3*e+2],t.colorize=vc),c&&(t.opacity=this.objectsOpacity[e]))}}},exports.NavCubePlugin=class extends V{constructor(e,t={}){super("NavCube",e,t),e.navCube=this;try{this._navCubeScene=new Ei(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0}),this._navCubeCanvas=this._navCubeScene.canvas.canvas,this._navCubeScene.input.keyboardEnabled=!1}catch(e){return void this.error(e)}const i=this._navCubeScene;i.clearLights(),new Yt(i,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Yt(i,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Yt(i,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._navCubeCamera=i.camera,this._navCubeCamera.ortho.scale=7,this._navCubeCamera.ortho.near=.1,this._navCubeCamera.ortho.far=2e3,i.edgeMaterial.edgeColor=[.2,.2,.2],i.edgeMaterial.edgeAlpha=.6,this._zUp=Boolean(e.camera.zUp);var s=this;this.setIsProjectNorth(t.isProjectNorth),this.setProjectNorthOffsetAngle(t.projectNorthOffsetAngle);const r=function(){const e=c.mat4();return function(t,i,r){return c.identityMat4(e),c.rotationMat4v(t*s._projectNorthOffsetAngle*c.DEGTORAD,[0,1,0],e),c.transformVec3(e,i,r)}}();this._synchCamera=function(){var t=c.rotationMat4c(-90*c.DEGTORAD,1,0,0),i=c.vec3(),o=c.vec3(),n=c.vec3();return function(){var a=e.camera.eye,l=e.camera.look,A=e.camera.up;i=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(a,l,i)),5),s._isProjectNorth&&s._projectNorthOffsetAngle&&(i=r(-1,i,dP),A=r(-1,A,pP)),s._zUp?(c.transformVec3(t,i,o),c.transformVec3(t,A,n),s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=c.transformVec3(t,i,o),s._navCubeCamera.up=c.transformPoint3(t,A,n)):(s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=i,s._navCubeCamera.up=A)}}(),this._cubeTextureCanvas=new uP(e,i,t),this._cubeSampler=new Zs(i,{image:this._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),this._cubeMesh=new vs(i,{geometry:new Ai(i,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new pi(i,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:this._cubeSampler,emissiveMap:this._cubeSampler}),visible:!0,edges:!0}),this._shadow=!1===t.shadowVisible?null:new vs(i,{geometry:new Ai(i,ys({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new pi(i,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!0,pickable:!1,backfaces:!1}),this._onCameraMatrix=e.camera.on("matrix",this._synchCamera),this._onCameraWorldAxis=e.camera.on("worldAxis",(()=>{e.camera.zUp?(this._zUp=!0,this._cubeTextureCanvas.setZUp(),this._repaint(),this._synchCamera()):e.camera.yUp&&(this._zUp=!1,this._cubeTextureCanvas.setYUp(),this._repaint(),this._synchCamera())})),this._onCameraFOV=e.camera.perspective.on("fov",(e=>{this._synchProjection&&(this._navCubeCamera.perspective.fov=e)})),this._onCameraProjection=e.camera.on("projection",(e=>{this._synchProjection&&(this._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var o=-1;function n(e){var t=[0,0];if(e){for(var i=e.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var a,l,A=null,h=null,u=!1,d=!1,p=.5;s._navCubeCanvas.addEventListener("mouseenter",s._onMouseEnter=function(e){d=!0}),s._navCubeCanvas.addEventListener("mouseleave",s._onMouseLeave=function(e){d=!1}),s._navCubeCanvas.addEventListener("mousedown",s._onMouseDown=function(e){if(1===e.which){A=e.x,h=e.y,a=e.clientX,l=e.clientY;var t=n(e),s=i.pick({canvasPos:t});u=!!s}}),document.addEventListener("mouseup",s._onMouseUp=function(e){if(1===e.which&&(u=!1,null!==A)){var t=n(e),a=i.pick({canvasPos:t,pickSurface:!0});if(a&&a.uv){var l=s._cubeTextureCanvas.getArea(a.uv);if(l>=0&&(document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0)){if(s._cubeTextureCanvas.setAreaHighlighted(l,!0),o=l,s._repaint(),e.x<A-3||e.x>A+3||e.y<h-3||e.y>h+3)return;var c=s._cubeTextureCanvas.getAreaDir(l);if(c){var d=s._cubeTextureCanvas.getAreaUp(l);s._isProjectNorth&&s._projectNorthOffsetAngle&&(c=r(1,c,dP),d=r(1,d,pP)),f(c,d,(function(){o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0&&(s._cubeTextureCanvas.setAreaHighlighted(l,!1),o=-1,s._repaint())}))}}}}}),document.addEventListener("mousemove",s._onMouseMove=function(t){if(o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),1!==t.buttons||u){if(u){var r=t.clientX,A=t.clientY;return document.body.style.cursor="move",void function(t,i){var s=(t-a)*-p,r=(i-l)*-p;e.camera.orbitYaw(s),e.camera.orbitPitch(-r),a=t,l=i}(r,A)}if(d){var h=n(t),c=i.pick({canvasPos:h,pickSurface:!0});if(c){if(c.uv){document.body.style.cursor="pointer";var f=s._cubeTextureCanvas.getArea(c.uv);if(f===o)return;o>=0&&s._cubeTextureCanvas.setAreaHighlighted(o,!1),f>=0&&(s._cubeTextureCanvas.setAreaHighlighted(f,!0),s._repaint(),o=f)}}else document.body.style.cursor="default",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1)}}});var f=function(){var t=c.vec3();return function(i,r,o){var n=s._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,a=c.getAABB3Diag(n);c.getAABB3Center(n,t);var l=Math.abs(a/Math.tan(s._cameraFitFOV*c.DEGTORAD));e.cameraControl.pivotPos=t,s._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV,duration:s._cameraFlyDuration},o):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV},o)}}();this._onUpdated=e.localeService.on("updated",(()=>{this._cubeTextureCanvas.clear(),this._repaint()})),this.setVisible(t.visible),this.setCameraFitFOV(t.cameraFitFOV),this.setCameraFly(t.cameraFly),this.setCameraFlyDuration(t.cameraFlyDuration),this.setFitVisible(t.fitVisible),this.setSynchProjection(t.synchProjection)}send(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}_repaint(){const e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}setVisible(e=!0){this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}getVisible(){return!!this._navCubeCanvas&&this._cubeMesh.visible}setFitVisible(e=!1){this._fitVisible=e}getFitVisible(){return this._fitVisible}setCameraFly(e=!0){this._cameraFly=e}getCameraFly(){return this._cameraFly}setCameraFitFOV(e=45){this._cameraFitFOV=e}getCameraFitFOV(){return this._cameraFitFOV}setCameraFlyDuration(e=.5){this._cameraFlyDuration=e}getCameraFlyDuration(){return this._cameraFlyDuration}setSynchProjection(e=!1){this._synchProjection=e}getSynchProjection(){return this._synchProjection}setIsProjectNorth(e=!1){this._isProjectNorth=e}getIsProjectNorth(){return this._isProjectNorth}setProjectNorthOffsetAngle(e){this._projectNorthOffsetAngle=e}getProjectNorthOffsetAngle(){return this._projectNorthOffsetAngle}destroy(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,super.destroy()}},exports.NearestFilter=1003,exports.NearestMipMapLinearFilter=1005,exports.NearestMipMapNearestFilter=1004,exports.NearestMipmapLinearFilter=1005,exports.NearestMipmapNearestFilter=1004,exports.Node=Ls,exports.OBJLoaderPlugin=class extends V{constructor(e,t){super("OBJLoader",e,t),this._sceneGraphLoader=new gP}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new Ls(this.viewer.scene,_.apply(e,{isModel:!0}));const i=t.id,s=e.src;if(!s)return this.error("load() param expected: src"),t;if(e.metaModelSrc){const r=e.metaModelSrc;_.loadJSON(r,(r=>{this.viewer.metaScene.createMetaModel(i,r),this._sceneGraphLoader.load(t,s,e)}),(e=>{this.error(`load(): Failed to load model modelMetadata for model '${i} from  '${r}' - ${e}`)}))}else this._sceneGraphLoader.load(t,s,e);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}},exports.ObjectsKdTree3=class{constructor(e){if(!e)throw"Parameter expected: cfg";if(!e.viewer)throw"Parameter expected: cfg.viewer";this.viewer=e.viewer,this._maxTreeDepth=e.maxTreeDepth||15,this._root=null,this._needsRebuild=!0,this._onModelLoaded=this.viewer.scene.on("modelLoaded",(e=>{this._needsRebuild=!0})),this._onModelUnloaded=this.viewer.scene.on("modelUnloaded",(e=>{this._needsRebuild=!0}))}get root(){return this._needsRebuild&&this._rebuild(),this._root}_rebuild(){const e=this.viewer.scene;this._root={aabb:e.getAABB()};for(let t in e.objects){const i=e.objects[t];this._insertEntity(this._root,i,1)}this._needsRebuild=!1}_insertEntity(e,t,i){const s=t.aabb;if(i>=this._maxTreeDepth)return e.entities=e.entities||[],void e.entities.push(t);if(e.left&&c.containsAABB3(e.left.aabb,s))return void this._insertEntity(e.left,t,i+1);if(e.right&&c.containsAABB3(e.right.aabb,s))return void this._insertEntity(e.right,t,i+1);const r=e.aabb;u[0]=r[3]-r[0],u[1]=r[4]-r[1],u[2]=r[5]-r[2];let o=0;if(u[1]>u[o]&&(o=1),u[2]>u[o]&&(o=2),!e.left){const n=r.slice();if(n[o+3]=(r[o]+r[o+3])/2,e.left={aabb:n},c.containsAABB3(n,s))return void this._insertEntity(e.left,t,i+1)}if(!e.right){const n=r.slice();if(n[o]=(r[o]+r[o+3])/2,e.right={aabb:n},c.containsAABB3(n,s))return void this._insertEntity(e.right,t,i+1)}e.entities=e.entities||[],e.entities.push(t)}destroy(){const e=this.viewer.scene;e.off(this._onModelLoaded),e.off(this._onModelUnloaded),this._root=null,this._needsRebuild=!0}},exports.ObjectsMemento=yc,exports.PNGMediaType=10002,exports.Path=class extends ec{constructor(e,t={}){super(e,t),this._cachedLengths=[],this._dirty=!0,this._curves=[],this._t=0,this._dirtySubs=[],this._destroyedSubs=[],this.curves=t.curves||[],this.t=t.t}addCurve(e){this._curves.push(e),this._dirty=!0}set curves(e){var t,i,s;for(e=e||[],i=0,s=this._curves.length;i<s;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var r=this;function o(){r._dirty=!0}function n(){var e=this.id;for(i=0,s=r._curves.length;i<s;i++)if(r._curves[i].id===e)return r._curves=r._curves.slice(i,i+1),r._dirtySubs=r._dirtySubs.slice(i,i+1),r._destroyedSubs=r._destroyedSubs.slice(i,i+1),void(r._dirty=!0)}for(i=0,s=e.length;i<s;i++){if(t=e[i],_.isNumeric(t)||_.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",o)),this._destroyedSubs.push(t.once("destroyed",n))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}get curves(){return this._curves}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}get length(){var e=this._getCurveLengths();return e[e.length-1]}getPoint(e){for(var t,i=e*this.length,s=this._getCurveLengths(),r=0;r<s.length;){if(s[r]>=i){var o=1-(s[r]-i)/(t=this._curves[r]).length;return t.getPointAt(o)}r++}return null}_getCurveLengths(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,s=this._curves.length;for(e=0;e<s;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}_getJSON(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}destroy(){var e,t,i;for(super.destroy(),e=0,t=this._curves.length;e<t;e++)(i=this._curves[e]).off(this._dirtySubs[e]),i.off(this._destroyedSubs[e])}},exports.PerformanceModel=class extends Sh{constructor(e,t={}){super(e,t)}},exports.PhongMaterial=pi,exports.PickResult=qe,exports.Plugin=V,exports.PointLight=class extends Jt{get type(){return"PointLight"}constructor(e,t={}){super(e,t);const i=this;this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const s=this.scene.camera,r=this.scene.canvas;this._onCameraViewMatrix=s.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=s.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=r.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new Mt({type:"point",pos:c.vec3([1,1,1]),color:c.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(i._shadowViewMatrixDirty){i._shadowViewMatrix||(i._shadowViewMatrix=c.identityMat4());const e=i._state.pos,t=s.look,r=s.up;c.lookAtMat4v(e,t,r,i._shadowViewMatrix),i._shadowViewMatrixDirty=!1}return i._shadowViewMatrix},getShadowProjMatrix:()=>{if(i._shadowProjMatrixDirty){i._shadowProjMatrix||(i._shadowProjMatrix=c.identityMat4());const e=i.scene.canvas.canvas;c.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,i._shadowProjMatrix),i._shadowProjMatrixDirty=!1}return i._shadowProjMatrix},getShadowRenderBuf:()=>(i._shadowRenderBuf||(i._shadowRenderBuf=new bt(i.scene.canvas.canvas,i.scene.canvas.gl,{size:[1024,1024]})),i._shadowRenderBuf)}),this.pos=t.pos,this.color=t.color,this.intensity=t.intensity,this.constantAttenuation=t.constantAttenuation,this.linearAttenuation=t.linearAttenuation,this.quadraticAttenuation=t.quadraticAttenuation,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set pos(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get pos(){return this._state.pos}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set constantAttenuation(e){this._state.attenuation[0]=e||0,this.glRedraw()}get constantAttenuation(){return this._state.attenuation[0]}set linearAttenuation(e){this._state.attenuation[1]=e||0,this.glRedraw()}get linearAttenuation(){return this._state.attenuation[1]}set quadraticAttenuation(e){this._state.attenuation[2]=e||0,this.glRedraw()}get quadraticAttenuation(){return this._state.attenuation[2]}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}},exports.PointerCircle=Q,exports.PointerLens=class{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=t.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id=`${this._lensContainerId}-canvas`,this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=t.lensPosToggle||!0,this._lensPosToggleAmount=t.lensPosToggleAmount||85,this._lensPosMarginLeft=t.lensPosMarginLeft||85,this._lensPosMarginTop=t.lensPosMarginTop||25,this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,this._zoomLevel=t.zoomLevel||2,this._active=!1!==t.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(()=>{this._active&&this._visible&&this.update()}))}update(){if(!this._active||!this._visible)return;if(!this._canvasPos)return;const e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,i&&(this._lensPosToggle?this._lensContainer.style.marginTop=t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount+"px":this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);const s=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-s/2,this._canvasPos[1]-s/2,s,s,0,0,this._lensCanvas.width,this._lensCanvas.height);const r=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){const e=this._snappedCanvasPos[0]-this._canvasPos[0],t=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft=r[0]+e*this._zoomLevel-10+"px",this._lensCursorDiv.style.marginTop=r[1]+t*this._zoomLevel-10+"px"}else this._lensCursorDiv.style.marginLeft=r[0]-10+"px",this._lensCursorDiv.style.marginTop=r[1]-10+"px"}set zoomFactor(e){this._zoomFactor=e,this.update()}get zoomFactor(){return this._zoomFactor}set canvasPos(e){this._canvasPos=e,this.update()}get canvasPos(){return this._canvasPos}set snappedCanvasPos(e){this._snappedCanvasPos=e,this.update()}get snappedCanvasPos(){return this._snappedCanvasPos}set snapped(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}get snapped(){return this._snapped}set active(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get active(){return this._active}set visible(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get visible(){return this._visible}destroy(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}},exports.QuadraticBezierCurve=class extends ec{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.t=t.t}set v0(e){this._v0=e||c.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||c.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||c.vec3([0,0,0])}get v2(){return this._v2}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=c.vec3();return t[0]=c.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=c.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=c.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}},exports.Queue=d,exports.RGBAFormat=1023,exports.RGBAIntegerFormat=1033,exports.RGBA_ASTC_10x10_Format=37819,exports.RGBA_ASTC_10x5_Format=37816,exports.RGBA_ASTC_10x6_Format=37817,exports.RGBA_ASTC_10x8_Format=37818,exports.RGBA_ASTC_12x10_Format=37820,exports.RGBA_ASTC_12x12_Format=37821,exports.RGBA_ASTC_4x4_Format=37808,exports.RGBA_ASTC_5x4_Format=37809,exports.RGBA_ASTC_5x5_Format=37810,exports.RGBA_ASTC_6x5_Format=37811,exports.RGBA_ASTC_6x6_Format=37812,exports.RGBA_ASTC_8x5_Format=37813,exports.RGBA_ASTC_8x6_Format=37814,exports.RGBA_ASTC_8x8_Format=37815,exports.RGBA_BPTC_Format=36492,exports.RGBA_ETC2_EAC_Format=37496,exports.RGBA_PVRTC_2BPPV1_Format=35843,exports.RGBA_PVRTC_4BPPV1_Format=35842,exports.RGBA_S3TC_DXT1_Format=33777,exports.RGBA_S3TC_DXT3_Format=33778,exports.RGBA_S3TC_DXT5_Format=33779,exports.RGBFormat=1022,exports.RGB_ETC1_Format=36196,exports.RGB_ETC2_Format=37492,exports.RGB_PVRTC_2BPPV1_Format=35841,exports.RGB_PVRTC_4BPPV1_Format=35840,exports.RGB_S3TC_DXT1_Format=33776,exports.RGFormat=1030,exports.RGIntegerFormat=1031,exports.ReadableGeometry=Ai,exports.RedFormat=1028,exports.RedIntegerFormat=1029,exports.ReflectionMap=class extends mc{get type(){return"ReflectionMap"}constructor(e,t={}){super(e,t),this.scene._lightsState.addReflectionMap(this._state),this.scene._reflectionMapCreated(this)}destroy(){super.destroy(),this.scene._reflectionMapDestroyed(this)}},exports.RepeatWrapping=1e3,exports.STLDefaultDataSource=VP,exports.STLLoaderPlugin=class extends V{constructor(e,t={}){super("STLLoader",e,t),this._sceneGraphLoader=new jP,this.dataSource=t.dataSource}set dataSource(e){this._dataSource=e||new VP}get dataSource(){return this._dataSource}load(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Ls(this.viewer.scene,_.apply(e,{isModel:!0})),i=e.src,s=e.stl;return i||s?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,s,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}},exports.SceneModel=Sh,exports.SceneModelMesh=wr,exports.SceneModelTransform=xh,exports.SectionPlane=ws,exports.SectionPlanesPlugin=class extends V{constructor(e,t={}){if(super("SectionPlanes",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new MP(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;EP.set(this.viewer.scene.aabb),c.getAABB3Center(EP,FP),EP[0]+=t[0]-FP[0],EP[1]+=t[1]-FP[1],EP[2]+=t[2]-FP[2],EP[3]+=t[0]-FP[0],EP[4]+=t[1]-FP[1],EP[5]+=t[2]-FP[2],this.viewer.cameraFlight.flyTo({aabb:EP,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new ws(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new wP(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(var t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}},exports.ShortType=1011,exports.Skybox=Bc,exports.SkyboxesPlugin=class extends V{constructor(e){super("skyboxes",e),this.skyboxes={}}send(e,t){if("clear"===e)this.clear()}createSkybox(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new Bc(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}destroySkybox(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}clear(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}destroy(){this.clear(),super.clear()}},exports.SpecularMaterial=Hs,exports.SplineCurve=tc,exports.SpriteMarker=class extends de{constructor(e,t={}){super(e,{entity:t.entity,occludable:t.occludable,worldPos:t.worldPos}),this._occluded=!1,this._visible=!0,this._src=null,this._image=null,this._pos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._dir=c.vec3(),this._size=1,this._imageSize=c.vec2(),this._texture=new Zs(this,{src:t.src}),this._geometry=new Ai(this,{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),this._mesh=new vs(this,{geometry:this._geometry,material:new pi(this,{ambient:[.9,.3,.9],shininess:30,diffuseMap:this._texture,backfaces:!0}),scale:[1,1,1],position:t.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),this.visible=!0,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,this.size=t.size,t.image?this.image=t.image:this.src=t.src}_setVisible(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,super._setVisible(e)}set visible(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}get visible(){return this._visible}set image(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set collidable(e){this._mesh.collidable=!1!==e}get collidable(){return this._mesh.collidable}set clippable(e){this._mesh.clippable=!1!==e}get clippable(){return this._mesh.clippable}set pickable(e){this._mesh.pickable=!1!==e}get pickable(){return this._mesh.pickable}set opacity(e){this._mesh.opacity=e}get opacity(){return this._mesh.opacity}_updatePlaneSizeFromImage(){const e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],s=i/t;this._geometry.positions=t>i?[e,e*s,0,-e,e*s,0,-e,-e*s,0,e,-e*s,0]:[e/s,e,0,-e/s,e,0,-e/s,-e,0,e/s,-e,0]}},exports.StoreyViewsPlugin=class extends V{constructor(e,t={}){super("StoreyViews",e),this._objectsMemento=new yc,this._cameraMemento=new _c,this.storeys={},this._storeysList=null,this.modelStoreys={},this._fitStoreyMaps=!!t.fitStoreyMaps,this._onModelLoaded=this.viewer.scene.on("modelLoaded",(e=>{this._registerModelStoreys(e),this.fire("storeys",this.storeys)}))}_registerModelStoreys(e){const t=this.viewer,i=t.scene,s=t.metaScene,r=s.metaModels[e],o=i.models[e];if(!r||!r.rootMetaObjects)return;const n=r.rootMetaObjects;for(let t=0,r=n.length;t<r;t++){const r=n[t].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]);for(let t=0,n=r.length;t<n;t++){const n=r[t],a=s.metaObjects[n].getObjectIDsInSubtree(),l=i.getAABB(a),A=Math.random()>.5?a.length:0,h=new IP(this,o.aabb,l,e,n,A);h._onModelDestroyed=o.once("destroyed",(()=>{this._deregisterModelStoreys(e),this.fire("storeys",this.storeys)})),this.storeys[n]=h,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][n]=h}}this._clipBoundingBoxes()}_clipBoundingBoxes(){const e=this.storeysList,t=this.viewer.metaScene,i=this.viewer.camera.worldUp,s=i[0]>i[1]&&i[0]>i[2],r=!s&&i[1]>i[0]&&i[1]>i[2];let o;!s&&!r&&i[2]>i[0]&&(i[2],i[1]),o=s?0:r?1:2;for(let i=0,s=e.length;i<s;i++){const s=t.metaObjects[e[i].storeyId].attributes.elevation;if(isNaN(s))return;const r=e[i].storeyAABB;if(r[o]=Math.max(r[1],parseFloat(s)),i>0){const s=t.metaObjects[e[i-1].storeyId].attributes.elevation;r[4]=Math.min(r[o+3],parseFloat(s))}this.storeys[e[i].storeyId].storeyAABB=r}}_deregisterModelStoreys(e){const t=this.modelStoreys[e];if(t){const i=this.viewer.scene;for(let e in t)if(t.hasOwnProperty(e)){const s=t[e],r=i.models[s.modelId];r&&r.off(s._onModelDestroyed),delete this.storeys[e],this._storeysList=null}delete this.modelStoreys[e]}}get fitStoreyMaps(){return this._fitStoreyMaps}gotoStoreyCamera(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());const s=this.viewer,r=s.scene.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return void(t.done&&t.done());if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return void(t.done&&t.done());const n=c.getAABB3Center(o),a=c.getAABB3Diag(o),l=Math.abs(a/Math.tan(45*c.DEGTORAD)),A=1.3*a,h=SP;h[0]=n[0]+r.worldUp[0]*l,h[1]=n[1]+r.worldUp[1]*l,h[2]=n[2]+r.worldUp[2]*l;const u=r.worldForward;t.done?s.cameraFlight.flyTo(_.apply(t,{eye:h,look:n,up:u,orthoScale:A}),(()=>{t.done()})):(s.cameraFlight.jumpTo(_.apply(t,{eye:h,look:n,up:u,orthoScale:A})),s.camera.ortho.scale=A)}showStoreyObjects(e,t={}){if(!this.storeys[e])return void this.error("IfcBuildingStorey not found with this ID: "+e);const i=this.viewer,s=i.scene;i.metaScene.metaObjects[e]&&(t.hideOthers&&s.setObjectsVisible(i.scene.visibleObjectIds,!1),this.withStoreyObjects(e,((e,t)=>{e&&(e.visible=!0)})))}withStoreyObjects(e,t){const i=this.viewer,s=i.scene,r=i.metaScene,o=r.metaObjects[e];if(!o)return;const n=o.getObjectIDsInSubtree();for(var a=0,l=n.length;a<l;a++){const e=n[a],i=r.metaObjects[e],o=s.objects[e];o&&t(o,i)}}createStoreyMap(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==";const s=this.viewer,r=s.scene,o=t.format||"png",n=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,a=Math.abs((n[5]-n[2])/(n[3]-n[0])),l=t.padding||0,A=!!t.captureSectionPlanes;let h,c;t.width&&t.height?(h=t.width,c=t.height):t.height?(c=t.height,h=Math.round(c/a)):t.width?(h=t.width,c=Math.round(h*a)):(h=300,c=Math.round(h*a));const u={visible:!0};this._objectsMemento.saveObjects(r,u),this._cameraMemento.saveCamera(r),this.showStoreyObjects(e,_.apply(t,{hideOthers:!0})),A&&this._toggleSectionPlanes(!1),this._arrangeStoreyMapCamera(i);const d=s.getSnapshot({width:h,height:c,format:o});return this._objectsMemento.restoreObjects(r,u),this._cameraMemento.restoreCamera(r),A&&this._toggleSectionPlanes(!0),new DP(e,d,o,h,c,l)}_toggleSectionPlanes(e){const t=this.viewer.scene.sectionPlanes;for(const i in t)t[i].active=e}_arrangeStoreyMapCamera(e){const t=this.viewer,i=t.scene.camera,s=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,r=c.getAABB3Center(s),o=SP;o[0]=r[0]+.5*i.worldUp[0],o[1]=r[1]+.5*i.worldUp[1],o[2]=r[2]+.5*i.worldUp[2];const n=i.worldForward;t.cameraFlight.jumpTo({eye:o,look:r,up:n});const a=(s[3]-s[0])/2,l=(s[4]-s[1])/2,A=(s[5]-s[2])/2,h=-a,u=+a,d=-l,p=+l,f=-A,g=+A;t.camera.customProjection.matrix=c.orthoMat4c(h,u,f,g,d,p,TP),t.camera.projection="customProjection"}pickStoreyMap(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],u=a[3]-l,d=a[4]-A,p=a[5]-h,f=c.vec3([l+u*o,A+.5*d,h+p*n]),g=c.vec3([0,-1,0]),m=c.addVec3(f,g,SP),_=this.viewer.camera.worldForward,v=c.lookAtMat4v(f,m,_,TP);return this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:v})}storeyMapToWorldPos(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],u=a[3]-l,d=a[4]-A,p=a[5]-h;return c.vec3([l+u*o,A+.5*d,h+p*n])}getStoreyContainingWorldPos(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t];if(c.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return t}return null}getStoreyInVerticalRange(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t],r=[0,0,0,0,0,0],o=[0,0,0];if(r[1]=s.storeyAABB[1],r[4]=s.storeyAABB[4],o[1]=e[1],c.point3AABB3AbsoluteIntersect(r,o))return t}return null}isPositionAboveOrBelowBuilding(e,t=null){const i=t?this._filterStoreys(t):this.storeys,s=Object.keys(i);if(s.length<=0)return null;const r=[s[0],s[s.length-1]];return e[1]<i[r[0]].storeyAABB[1]?r[0]:e[1]>i[r[1]].storeyAABB[4]?r[1]:null}worldPosToStoreyMap(e,t,i){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),!1;const o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,n=o[0],a=o[1],l=o[2],A=o[3]-n,h=o[4]-a,c=o[5]-l,u=this.viewer.camera.worldUp,d=u[0]>u[1]&&u[0]>u[2],p=!d&&u[1]>u[0]&&u[1]>u[2];!d&&!p&&u[2]>u[0]&&(u[2],u[1]);const f=e.width/A,g=p?e.height/c:e.height/h;return i[0]=Math.floor(e.width-(t[0]-n)*f),i[1]=Math.floor(e.height-(t[2]-l)*g),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}worldDirToStoreyMap(e,t,i){const s=this.viewer.camera,r=s.eye,o=s.look,n=c.subVec3(o,r,SP),a=s.worldUp,l=a[0]>a[1]&&a[0]>a[2],A=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!A&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=n[1],i[1]=n[2]):A?(i[0]=n[0],i[1]=n[2]):(i[0]=n[0],i[1]=n[1]),c.normalizeVec2(i)}destroy(){this.viewer.scene.off(this._onModelLoaded),super.destroy()}get storeysList(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{let s=0;s=e.xUp?0:e.yUp?1:2;const r=this.viewer.metaScene,o=r.metaObjects[t.storeyId],n=r.metaObjects[i.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&n&&n.attributes&&void 0!==n.attributes.elevation){const e=Number.parseFloat(o.attributes.elevation),t=Number.parseFloat(n.attributes.elevation);return e>t?-1:e<t?1:0}return t.aabb[s]>i.aabb[s]?-1:t.aabb[s]<i.aabb[s]?1:0})}_filterStoreys(e){return Object.fromEntries(Object.entries(this.storeys).filter((([t,i])=>i.modelId===e)))}},exports.Texture=Zs,exports.TextureTranscoder=class{transcode(e,t,i={}){}destroy(){}},exports.TreeViewPlugin=class extends V{constructor(e,t={}){super("TreeViewPlugin",e),this.errors=[],this.valid=!0;const i=t.containerElement||document.getElementById(t.containerElementId);if(i instanceof HTMLElement){for(let e=0;;e++)if(!ZP[e]){ZP[e]=this,this._index=e,this._id=`tree-${e}`;break}if(this._containerElement=i,this._metaModels={},this._autoAddModels=!1!==t.autoAddModels,this._autoExpandDepth=t.autoExpandDepth||0,this._sortNodes=!1!==t.sortNodes,this._viewer=e,this._rootElement=null,this._muteSceneEvents=!1,this._muteTreeEvents=!1,this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._rootNames={},this._sortNodes=t.sortNodes,this._pruneEmptyNodes=t.pruneEmptyNodes,this._showListItemElementId=null,this._renderService=t.renderService||new YP,this._showIndeterminate=t.showIndeterminate??!1,this._showProjectNode=t.showProjectNode??!1,!this._renderService)throw new Error("TreeViewPlugin: no render service set");if(this._containerElement.oncontextmenu=e=>{e.preventDefault()},this._onObjectVisibility=this._viewer.scene.on("objectVisibility",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;const s=e.visible;if(!(s!==i.checked))return;this._muteTreeEvents=!0,i.checked=s,s?i.numVisibleEntities++:i.numVisibleEntities--,this._renderService.setCheckbox(i.nodeId,s);let r=i.parent;for(;r;){r.checked=s,s?r.numVisibleEntities++:r.numVisibleEntities--;const e=this._showIndeterminate&&r.numVisibleEntities>0&&r.numVisibleEntities<r.numEntities;this._renderService.setCheckbox(r.nodeId,r.numVisibleEntities>0,e),r=r.parent}this._muteTreeEvents=!1})),this._onObjectXrayed=this._viewer.scene.on("objectXRayed",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;this._muteTreeEvents=!0;const s=e.xrayed;s!==i.xrayed&&(i.xrayed=s,this._renderService.setXRayed(i.nodeId,s),this._muteTreeEvents=!1)})),this._switchExpandHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._expandSwitchElement(t)},this._switchCollapseHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._collapseSwitchElement(t)},this._checkboxChangeHandler=e=>{if(this._muteTreeEvents)return;this._muteSceneEvents=!0;const t=e.target,i=this._renderService.isChecked(t),s=this._renderService.getIdFromCheckbox(t),r=this._nodeNodes[s],o=this._viewer.scene.objects;let n=0;this._withNodeTree(r,(e=>{const t=e.objectId,s=o[t],r=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,r&&i!==e.checked&&n++,e.checked=i,this._renderService.setCheckbox(e.nodeId,i),s&&(s.visible=i)}));let a=r.parent;for(;a;){a.checked=i,i?a.numVisibleEntities+=n:a.numVisibleEntities-=n;const e=this._showIndeterminate&&a.numVisibleEntities>0&&a.numVisibleEntities<a.numEntities;this._renderService.setCheckbox(a.nodeId,a.numVisibleEntities>0,e),a=a.parent}this._muteSceneEvents=!1},this._hierarchy=t.hierarchy||"containment",this._autoExpandDepth=t.autoExpandDepth||0,this._autoAddModels){const e=Object.keys(this.viewer.metaScene.metaModels);for(let t=0,i=e.length;t<i;t++){const i=e[t];this.viewer.metaScene.metaModels[i].finalized&&this.addModel(i)}this.viewer.scene.on("modelLoaded",(e=>{this.viewer.metaScene.metaModels[e]&&this.addModel(e)}))}this.hierarchy=t.hierarchy}else this.error("Mandatory config expected: valid containerElementId or containerElement")}set hierarchy(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}get hierarchy(){return this._hierarchy}addModel(e,t={}){if(!this._containerElement)return;const i=this.viewer.scene.models[e];if(!i)throw"Model not found: "+e;const s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,t&&t.rootName&&(this._rootNames[e]=t.rootName),i.on("destroyed",(()=>{this.removeModel(i.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}removeModel(e){if(!this._containerElement)return;this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes())}showNode(e){this.unShowNode();const t=this._objectNodes[e];if(!t)return;this.collapse();const i=t.nodeId,s=this._renderService.getSwitchElement(i);if(s)return this._expandSwitchElement(s),s.scrollIntoView(),!0;const r=[];r.unshift(t);let o=t.parent;for(;o;)r.unshift(o),o=o.parent;for(let e=0,t=r.length;e<t;e++){const t=this._renderService.getSwitchElement(r[e].nodeId);t&&this._expandSwitchElement(t)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}unShowNode(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}expandToDepth(e){this.collapse();const t=(i,s)=>{if(s===e)return;const r=this._renderService.getSwitchElement(i.nodeId);if(r){this._expandSwitchElement(r);const e=i.children;for(var o=0,n=e.length;o<n;o++){const i=e[o];t(i,s+1)}}};for(let e=0,i=this._rootNodes.length;e<i;e++){const i=this._rootNodes[e];t(i,0)}}collapse(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e].nodeId;this._collapseNode(t)}}withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this.withNodeTree(i[e],t)}destroy(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete ZP[this._index],super.destroy())}_createNodes(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}_validate(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}_validateMetaModelForStoreysHierarchy(e=0,t,i){return!0}_createEnabledNodes(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}_createDisabledNodes(){const e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);const t=this._viewer.metaScene.rootMetaObjects;for(let i in t){const s=t[i],r=s.type,o=s.name,n=o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,a=this._renderService.createDisabledNodeElement(n);e.appendChild(a)}}_findEmptyNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._findEmptyNodes2(e[t])}_findEmptyNodes2(e,t=0){const i=this.viewer.scene,s=e.children,r=e.id,o=i.objects[r];if(e._countEntities=0,o&&e._countEntities++,s)for(let t=0,i=s.length;t<i;t++){const i=s[t];i._countEntities=this._findEmptyNodes2(i),e._countEntities+=i._countEntities}return e._countEntities}_createStoreysNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createStoreysNodes2(e[t],null,null,null,null)}_createStoreysNodes2(e,t,i,s,r){if(this._pruneEmptyNodes&&0===e._countEntities)return;const o=e.type,n=e.name,a=e.children,l=e.id;if(this._showProjectNode&&"IfcProject"===o)t={nodeId:`${this._id}-${l}`,objectId:l,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o),type:o,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuilding"===o)i={nodeId:`${this._id}-${l}`,objectId:l,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o),type:o,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t?t.children.push(i):this._rootNodes.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i;else if("IfcBuildingStorey"===o){if(!i)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");s={nodeId:`${this._id}-${l}`,objectId:l,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o,type:o,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(s),this._objectNodes[s.objectId]=s,this._nodeNodes[s.nodeId]=s,r={}}else if(s){if(this._viewer.scene.objects[l]){let e=(r=r||{})[o];e||(e={nodeId:`${this._id}-${s.objectId}-${o}`,objectId:`${s.objectId}-${o}`,title:o,type:o,parent:s,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},s.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,r[o]=e);const t={nodeId:`${this._id}-${l}`,objectId:l,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o,type:o,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t}}if(a)for(let e=0,o=a.length;e<o;e++){const o=a[e];this._createStoreysNodes2(o,t,i,s,r)}}_createTypesNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createTypesNodes2(e[t],null,null)}_createTypesNodes2(e,t,i){if(this._pruneEmptyNodes&&0===e._countEntities)return;const s=e.type,r=e.name,o=e.children,n=e.id;if(e.parent){if(t){if(this._viewer.scene.objects[n]){let e=i[s];e||(e={nodeId:`${this._id}-${t.objectId}-${s}`,objectId:`${t.objectId}-${s}`,title:s,type:s,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,i[s]=e);const o={nodeId:`${this._id}-${n}`,objectId:n,title:r&&""!==r&&"Default"!==r?r:s,type:s,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o}}}else t={nodeId:`${this._id}-${n}`,objectId:n,title:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||(r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:s),type:s,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(o)for(let e=0,s=o.length;e<s;e++){const s=o[e];this._createTypesNodes2(s,t,i)}}_createContainmentNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createContainmentNodes2(e[t],null)}_createContainmentNodes2(e,t){if(this._pruneEmptyNodes&&0===e._countEntities)return;const i=e.type,s=e.name||i,r=e.children,o=e.id,n={nodeId:`${this._id}-${o}`,objectId:o,title:t?s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:i:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||s,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(n):this._rootNodes.push(n),this._objectNodes[n.objectId]=n,this._nodeNodes[n.nodeId]=n,r)for(let e=0,t=r.length;e<t;e++){const t=r[e];this._createContainmentNodes2(t,n)}}_doSortNodes(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e];this._sortChildren(t)}}_sortChildren(e){const t=e.children;if(!t||0===t.length)return;const i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?t.sort(this._alphaSortFunc):t.sort(this._getSpatialSortFunc());for(let e=0,i=t.length;e<i;e++){const i=t[e];this._sortChildren(i)}}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{e.xUp||e.yUp;const s=this.viewer.metaScene,r=s.metaObjects[t.objectId],o=s.metaObjects[i.objectId];if(r&&r.attributes&&void 0!==r.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){const e=Number.parseFloat(r.attributes.elevation),t=Number.parseFloat(o.attributes.elevation);return e>t?-1:e<t?1:0}return 0})}_alphaSortFunc(e,t){const i=e.title.toUpperCase(),s=t.title.toUpperCase();return i<s?-1:i>s?1:0}_synchNodesToEntities(){const e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects;for(let s=0,r=e.length;s<r;s++){const r=e[s];if(t[r]){const e=this._objectNodes[r];if(e){const t=i[r];if(t){const i=t.visible;e.numEntities=1,e.xrayed=t.xrayed,i?(e.numVisibleEntities=1,e.checked=!0):(e.numVisibleEntities=0,e.checked=!1);let s=e.parent;for(;s;)s.numEntities++,i&&(s.numVisibleEntities++,s.checked=!0),s=s.parent}}}}}_withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this._withNodeTree(i[e],t)}_createTrees(){if(0===this._rootNodes.length)return;const e=this._rootNodes.map((e=>this._createNodeElement(e))),t=this._renderService.createRootNode();e.forEach((e=>{t.appendChild(e)})),this._containerElement.appendChild(t),this._rootElement=t}_createNodeElement(e){return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(t=>{this.fire("contextmenu",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}),(t=>{this.fire("nodeTitleClicked",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}))}_expandSwitchElement(e){if(this._renderService.isExpanded(e))return;const t=this._renderService.getId(e),i=this._nodeNodes[t].children.map((e=>this._createNodeElement(e)));this._renderService.addChildren(e,i),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}_collapseNode(e){const t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}_collapseSwitchElement(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}},exports.UnsignedByteType=1009,exports.UnsignedInt248Type=1020,exports.UnsignedIntType=1014,exports.UnsignedShort4444Type=1017,exports.UnsignedShort5551Type=1018,exports.UnsignedShortType=1012,exports.VBOGeometry=er,exports.ViewCullPlugin=class extends V{constructor(e,t={}){super("ViewCull",e),this._objectCullStates=function(e){const t=e.id;let i=$P[t];return i||(i=new qP(e),$P[t]=i,e.on("destroyed",(()=>{delete $P[t],i._destroy()}))),i}(e.scene),this._maxTreeDepth=t.maxTreeDepth||8,this._modelInfos={},this._frustum=new U,this._kdRoot=null,this._frustumDirty=!1,this._kdTreeDirty=!1,this._onViewMatrix=e.scene.camera.on("viewMatrix",(()=>{this._frustumDirty=!0})),this._onProjMatrix=e.scene.camera.on("projMatMatrix",(()=>{this._frustumDirty=!0})),this._onModelLoaded=e.scene.on("modelLoaded",(e=>{const t=this.viewer.scene.models[e];t&&this._addModel(t)})),this._onSceneTick=e.scene.on("tick",(()=>{this._doCull()}))}set enabled(e){this._enabled=e}get enabled(){return this._enabled}_addModel(e){const t={model:e,onDestroyed:e.on("destroyed",(()=>{this._removeModel(e)}))};this._modelInfos[e.id]=t,this._kdTreeDirty=!0}_removeModel(e){const t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._kdTreeDirty=!0)}_doCull(){const e=this._frustumDirty||this._kdTreeDirty;if(this._frustumDirty&&this._buildFrustum(),this._kdTreeDirty&&this._buildKDTree(),e){const e=this._kdRoot;e&&this._visitKDNode(e)}}_buildFrustum(){const e=this.viewer.scene.camera;O(this._frustum,e.viewMatrix,e.projMatrix),this._frustumDirty=!1}_buildKDTree(){const e=this.viewer.scene;this._kdRoot,this._kdRoot={aabb:e.getAABB(),intersection:U.INTERSECT};for(let e=0,t=this._objectCullStates.numObjects;e<t;e++){const t=this._objectCullStates.objects[e];this._insertEntityIntoKDTree(this._kdRoot,t,e,1)}this._kdTreeDirty=!1}_insertEntityIntoKDTree(e,t,i,s){const r=t.aabb;if(s>=this._maxTreeDepth)return e.objects=e.objects||[],e.objects.push(i),void c.expandAABB3(e.aabb,r);if(e.left&&c.containsAABB3(e.left.aabb,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1);if(e.right&&c.containsAABB3(e.right.aabb,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1);const o=e.aabb;ew[0]=o[3]-o[0],ew[1]=o[4]-o[1],ew[2]=o[5]-o[2];let n=0;if(ew[1]>ew[n]&&(n=1),ew[2]>ew[n]&&(n=2),!e.left){const a=o.slice();if(a[n+3]=(o[n]+o[n+3])/2,e.left={aabb:a,intersection:U.INTERSECT},c.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1)}if(!e.right){const a=o.slice();if(a[n]=(o[n]+o[n+3])/2,e.right={aabb:a,intersection:U.INTERSECT},c.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1)}e.objects=e.objects||[],e.objects.push(i),c.expandAABB3(e.aabb,r)}_visitKDNode(e,t=U.INTERSECT){if(t!==U.INTERSECT&&e.intersects===t)return;t===U.INTERSECT&&(t=k(this._frustum,e.aabb),e.intersects=t);const i=t===U.OUTSIDE,s=e.objects;if(s&&s.length>0)for(let e=0,t=s.length;e<t;e++){const t=s[e];this._objectCullStates.setObjectViewCulled(t,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}send(e,t){}destroy(){super.destroy(),this._clear();const e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}},exports.Viewer=class{constructor(e){this.language="en",this.localeService=e.localeService||new Zh,this.scene=new Ei(this,{canvasId:e.canvasId,canvasElement:e.canvasElement,keyboardEventsElement:e.keyboardEventsElement,contextAttr:{preserveDrawingBuffer:!1!==e.preserveDrawingBuffer,premultipliedAlpha:!!e.premultipliedAlpha,antialias:!1!==e.antialias},spinnerElementId:e.spinnerElementId,transparent:!1!==e.transparent,gammaInput:!0,gammaOutput:!1,backgroundColor:e.backgroundColor,backgroundColorFromAmbientLight:e.backgroundColorFromAmbientLight,ticksPerRender:1,ticksPerOcclusionTest:20,units:e.units,scale:e.scale,origin:e.origin,saoEnabled:e.saoEnabled,alphaDepthMask:!1!==e.alphaDepthMask,entityOffsetsEnabled:!!e.entityOffsetsEnabled,readableGeometryEnabled:!!e.readableGeometryEnabled,logarithmicDepthBufferEnabled:!!e.logarithmicDepthBufferEnabled,pbrEnabled:!!e.pbrEnabled,colorTextureEnabled:!1!==e.colorTextureEnabled,dtxEnabled:!!e.dtxEnabled,markerZOffset:e.markerZOffset,numCachedSectionPlanes:e.numCachedSectionPlanes}),this.metaScene=new hu(this,this.scene),this.id=e.id||this.scene.id,this.camera=this.scene.camera,this.cameraFlight=new lc(this.scene,{duration:.5}),this.cameraControl=new ou(this.scene,{doublePickFlyTo:!0}),this._plugins=[],this._eventSubs={}}get capabilities(){return this.scene.capabilities}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}log(e){console.log(`[xeokit viewer ${this.id}]: ${e}`)}error(e){console.error(`[xeokit viewer ${this.id}]: ${e}`)}addPlugin(e){this._plugins.push(e)}removePlugin(e){for(let t=0,i=this._plugins.length;t<i;t++){const i=this._plugins[t];if(i===e)return i.clear&&i.clear(),void this._plugins.splice(t,1)}}sendToPlugins(e,t){for(let i=0,s=this._plugins.length;i<s;i++){const s=this._plugins[i];s.send&&s.send(e,t)}}clear(){throw'Viewer#clear() no longer implemented - use \'#sendToPlugins("clear") instead'}resetView(){throw"Viewer#resetView() no longer implemented - use CameraMemento & ObjectsMemento classes instead"}beginSnapshot(){this._snapshotBegun||(this.scene._renderer.beginSnapshot(),this._snapshotBegun=!0)}getSnapshot(e={}){const t=!this._snapshotBegun,i=void 0!==e.width&&void 0!==e.height,s=this.scene.canvas.canvas,r=s.clientWidth,o=s.clientHeight,n=e.width?Math.floor(e.width):s.width,a=e.height?Math.floor(e.height):s.height;i&&(s.width=n,s.height=a),this._snapshotBegun||this.beginSnapshot({width:n,height:a}),e.includeGizmos||this.sendToPlugins("snapshotStarting");const l={};for(let e=0,t=this._plugins.length;e<t;e++){const t=this._plugins[e];if(t.getContainerElement){const e=t.getContainerElement();e!==document.body&&(l[e.id]||(l[e.id]=!0,av(e).then((function(e){document.body.appendChild(e)}))))}}this.scene.fire("rendering",{},!0),this.scene._renderer.renderSnapshot();const A=this.scene._renderer.readSnapshot(e);return i&&(s.width=r,s.height=o,this.scene.glRedraw()),e.includeGizmos||this.sendToPlugins("snapshotFinished"),t&&this.endSnapshot(),A}async getSnapshotWithPlugins(e={}){const t=!this._snapshotBegun,i=void 0!==e.width&&void 0!==e.height,s=this.scene.canvas.canvas,r=s.clientWidth,o=s.clientHeight,n=e.width?Math.floor(e.width):s.width,a=e.height?Math.floor(e.height):s.height;i&&(s.width=n,s.height=a),this._snapshotBegun||this.beginSnapshot(),e.includeGizmos||this.sendToPlugins("snapshotStarting"),this.scene._renderer.renderSnapshot();const l=this.scene._renderer.readSnapshotAsCanvas();i&&(s.width=r,s.height=o,this.scene.glRedraw());const A={},h=[];for(let e=0,t=this._plugins.length;e<t;e++){const t=this._plugins[e];if(t.getContainerElement){const e=t.getContainerElement();e!==document.body&&(A[e.id]||(A[e.id]=!0,h.push(e)))}}const c=document.createElement("style");document.head.appendChild(c),c.sheet?.insertRule("body > div:last-child img { display: inline-block; }");for(let e=0,t=h.length;e<t;e++){const t=h[e];await av(t,{canvas:l,backgroundColor:null,scale:l.width/t.clientWidth}),l.getContext("2d").resetTransform()}c.remove(),e.includeGizmos||this.sendToPlugins("snapshotFinished"),t&&this.endSnapshot();let u=e.format||"png";return"jpeg"!==u&&"png"!==u&&"bmp"!==u&&(console.error("Unsupported image format: '"+u+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),u="png"),e.includeGizmos||this.sendToPlugins("snapshotFinished"),t&&this.endSnapshot(),l.toDataURL(`image/${u}`)}endSnapshot(){this._snapshotBegun&&(this.scene._renderer.endSnapshot(),this.scene._renderer.render({force:!0}),this._snapshotBegun=!1)}destroy(){const e=this._plugins.slice();for(let t=0,i=e.length;t<i;t++){e[t].destroy()}this.scene.destroy()}},exports.WebIFCLoaderPlugin=class extends V{constructor(e,t={}){if(super("ifcLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,!t.WebIFC)throw"Parameter expected: WebIFC";if(!t.IfcAPI)throw"Parameter expected: IfcAPI";this._webIFC=t.WebIFC,this._ifcAPI=t.IfcAPI}get supportedVersions(){return["2x3","4"]}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new lC}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||cP}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Sh(this.viewer.scene,_.apply(e,{isModel:!0}));if(!e.src&&!e.ifc)return this.error("load() param expected: src or IFC"),t;const i={autoNormals:!0};if(!1!==e.loadMetadata){const t=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t){i.includeTypesMap={};for(let e=0,s=t.length;e<s;e++)i.includeTypesMap[t[e]]=!0}if(s){i.excludeTypesMap={};for(let e=0,t=s.length;e<t;e++)i.excludeTypesMap[s[e]]=!0}r&&(i.objectDefaults=r),i.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds}try{e.src?this._loadModel(e.src,e,i,t):this._parseModel(e.ifc,e,i,t)}catch(e){this.error(e),t.fire("error",e)}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getIFC(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=t.stats||{};if(r.sourceFormat="IFC",r.schemaVersion="",r.title="",r.author="",r.created="",r.numMetaObjects=0,r.numPropertySets=0,r.numObjects=0,r.numGeometries=0,r.numTriangles=0,r.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";const o=new Uint8Array(e),n=this._ifcAPI.OpenModel(o),a=this._ifcAPI.GetModelSchema(n),l=this._ifcAPI.GetLineIDsWithType(n,this._webIFC.IFCPROJECT).get(0),A=!1!==t.loadMetadata,h={modelID:n,modelSchema:a,sceneModel:s,loadMetadata:A,metadata:A?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:r};if(A){if(i.includeTypes){h.includeTypes={};for(let e=0,t=i.includeTypes.length;e<t;e++)h.includeTypes[i.includeTypes[e]]=!0}if(i.excludeTypes){h.excludeTypes={};for(let e=0,t=i.excludeTypes.length;e<t;e++)h.excludeTypes[i.excludeTypes[e]]=!0}this._parseMetaObjects(h),this._parsePropertySets(h)}if(this._parseGeometry(h),s.finalize(),A){const e=s.id;this.viewer.metaScene.createMetaModel(e,h.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_parseMetaObjects(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}_parseSpatialChildren(e,t,i){const s=this._ifcAPI.GetNameFromTypeCode(t.type);if(e.includeTypes&&!e.includeTypes[s])return;if(e.excludeTypes&&e.excludeTypes[s])return;this._createMetaObject(e,t,i);const r=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,r),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,r)}_createMetaObject(e,t,i){const s=t.GlobalId.value,r=this._ifcAPI.GetNameFromTypeCode(t.type),o={id:s,name:t.Name&&""!==t.Name.value?t.Name.value:r,type:r,parent:i};e.metadata.metaObjects.push(o),e.metaObjects[s]=o,e.stats.numMetaObjects++}_parseRelatedItemsOfType(e,t,i,s,r,o){const n=this._ifcAPI.GetLineIDsWithType(e.modelID,r);for(let r=0;r<n.size();r++){const a=n.get(r),l=this._ifcAPI.GetLine(e.modelID,a),A=l[i];let h=!1;if(Array.isArray(A)){h=A.map((e=>e.value)).includes(t)}else h=A.value===t;if(h){const t=l[s];if(Array.isArray(t))t.forEach((t=>{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}));else{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}}}}_parsePropertySets(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES);for(let i=0;i<t.size();i++){let s=t.get(i),r=this._ifcAPI.GetLine(e.modelID,s,!0);if(r){const t=r.RelatingPropertyDefinition;if(!t)continue;const i=t.GlobalId.value,s=t.HasProperties;if(s&&s.length>0){const o="Default",n=t.Name.value,a=[];for(let e=0,t=s.length;e<t;e++){const t=s[e],i=t.Name,r=t.NominalValue;if(i&&r){const e={name:i.value,type:r.type,value:r.value,valueType:r.valueType};t.Description?e.description=t.Description.value:r.description&&(e.description=r.description),a.push(e)}}const l={id:i,type:o,name:n,properties:a};e.metadata.propertySets.push(l),e.stats.numPropertySets++;const A=r.RelatedObjects;if(!A||0===A.length)return;for(let t=0,s=A.length;t<s;t++){const s=A[t].GlobalId.value,r=e.metaObjects[s];r&&(r.propertySetIds||(r.propertySetIds=[]),r.propertySetIds.push(i))}}}}}_parseGeometry(e){this._ifcAPI.StreamAllMeshes(e.modelID,(t=>{const i=t.expressID,s=t.geometries,r=[],o=this._ifcAPI.GetLine(e.modelID,i).GlobalId.value;if(e.loadMetadata){const t=o,i=e.metaObjects[t];if(e.includeTypes&&(!i||!e.includeTypes[i.type]))return;if(e.excludeTypes&&(!i||e.excludeTypes[i.type]))return}const n=c.mat4(),a=c.vec3();for(let t=0,i=s.size();t<i;t++){const i=s.get(t),o=this._ifcAPI.GetGeometry(e.modelID,i.geometryExpressID),l=this._ifcAPI.GetVertexArray(o.GetVertexData(),o.GetVertexDataSize()),A=this._ifcAPI.GetIndexArray(o.GetIndexData(),o.GetIndexDataSize()),h=new Float64Array(l.length/2),u=new Float32Array(l.length/2);for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)h[t+0]=l[6*e+0],h[t+1]=l[6*e+1],h[t+2]=l[6*e+2];n.set(i.flatTransformation),c.transformPositions3(n,h);const d=Z(h,h,a);if(!e.options.autoNormals)for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)u[t+0]=l[6*e+3],u[t+1]=l[6*e+4],u[t+2]=l[6*e+5];e.stats.numGeometries++,e.stats.numVertices+=h.length/3,e.stats.numTriangles+=A.length/3;const p="mesh"+e.nextId++;e.sceneModel.createMesh({id:p,primitive:"triangles",origin:d?a:null,positions:h,normals:e.options.autoNormals?null:u,indices:A,color:[i.color.x,i.color.y,i.color.z],opacity:i.color.w}),r.push(p)}const l=e.options.globalizeObjectIds?c.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:l,meshIds:r,isObject:!0}),e.stats.numObjects++}))}},exports.Wire3D=Se,exports.WorkerPool=ih,exports.XKTDefaultDataSource=tw,exports.XKTLoaderPlugin=class extends V{constructor(e,t={}){super("XKTLoader",e,t),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this.textureTranscoder=t.textureTranscoder,this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,this.reuseGeometries=t.reuseGeometries}get supportedVersions(){return Object.keys(Ww)}get textureTranscoder(){return this._textureTranscoder}set textureTranscoder(e){this._textureTranscoder=e}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new tw}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||cP}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}get reuseGeometries(){return this._reuseGeometries}set reuseGeometries(e){this._reuseGeometries=!1!==e}load(e={}){if(e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id),!(e.src||e.xkt||e.manifestSrc||e.manifest))throw new Error("XKTLoaderPlugin: load() param expected: src, xkt, manifestSrc or manifestData");const t={},i=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t.reuseGeometries=null!==e.reuseGeometries&&void 0!==e.reuseGeometries?e.reuseGeometries:!1!==this._reuseGeometries,i){t.includeTypesMap={};for(let e=0,s=i.length;e<s;e++)t.includeTypesMap[i[e]]=!0}if(s){t.excludeTypesMap={};for(let e=0,i=s.length;e<i;e++)t.excludeTypesMap[s[e]]=!0}r&&(t.objectDefaults=r),t.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,t.globalizeObjectIds=void 0!==e.globalizeObjectIds&&null!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds;const o=new Sh(this.viewer.scene,_.apply(e,{isModel:!0,textureTranscoder:this._textureTranscoder,maxGeometryBatchSize:this._maxGeometryBatchSize,origin:e.origin,disableVertexWelding:e.disableVertexWelding||!1,disableIndexRebucketing:e.disableIndexRebucketing||!1,dtxEnabled:e.dtxEnabled,renderOrder:e.renderOrder})),n=o.id,a=new Au({metaScene:this.viewer.metaScene,id:n});this.viewer.scene.canvas.spinner.processes++;const l=()=>{o.destroyed||(o.finalize(),a.finalize(),this.viewer.scene.canvas.spinner.processes--,o.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(a.id)})),this.scheduleTask((()=>{o.destroyed||(o.scene.fire("modelLoaded",o.id),o.fire("loaded",!0,!1))})))},A=e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e),o.fire("error",e)};let h=0;const c={getNextId:()=>`${n}.${h++}`};if(e.metaModelSrc||e.metaModelData)if(e.metaModelSrc){const r=e.metaModelSrc;this._dataSource.getMetaModel(r,(r=>{o.destroyed||(a.loadData(r,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()))}),(e=>{A(`load(): Failed to load model metadata for model '${n} from  '${r}' - ${e}`)}))}else e.metaModelData&&(a.loadData(e.metaModelData,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()));else if(e.src)this._loadModel(e.src,t,o,a,c,l,A);else if(e.xkt)this._parseModel(e.xkt,t,o,a,c),l();else if(e.manifestSrc||e.manifest){const r=e.manifestSrc?function(e){e.indexOf("?")>-1&&(e=e.split("?")[0]);const t=e.split("/");return t.pop(),t.join("/")+"/"}(e.manifestSrc):"",n=(e,n,l)=>{let A=0;const h=()=>{o.destroyed||A>=e.length?n():this._dataSource.getMetaModel(`${r}${e[A]}`,(e=>{a.loadData(e,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),A++,this.scheduleTask(h,200)}),l)};h()},h=(e,i,s)=>{let n=0;const a=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,null,c),o.preFinalize(),n++,this.scheduleTask(a,200)}),s)};a()},u=(e,i,s)=>{let n=0;const l=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,a,c),o.preFinalize(),n++,this.scheduleTask(l,200)}),s)};l()};if(e.manifest){const t=e.manifest,i=t.xktFiles;if(!i||0===i.length)return void A("load(): Failed to load model manifest - manifest not valid");const s=t.metaModelFiles;s?n(s,(()=>{h(i,l,A)}),A):u(i,l,A)}else this._dataSource.getManifest(e.manifestSrc,(e=>{if(o.destroyed)return;const t=e.xktFiles;if(!t||0===t.length)return void A("load(): Failed to load model manifest - manifest not valid");const i=e.metaModelFiles;i?n(i,(()=>{h(t,l,A)}),A):u(t,l,A)}),A)}return o}_loadModel(e,t,i,s,r,o,n){this._dataSource.getXKT(e,(e=>{this._parseModel(e,t,i,s,r),i.preFinalize(),o()}),n)}async _parseModel(e,t,i,s,r){if(i.destroyed)return;const o=new DataView(e),n=new Uint8Array(e),a=o.getUint32(0,!0),l=Ww[a];if(!l)return void this.error("Unsupported .XKT file version: "+a+" - this XKTLoaderPlugin supports versions "+Object.keys(Ww));if(l.parseArrayBuffer)return void l.parseArrayBuffer(this.viewer,t,e,i,s,r);const A=o.getUint32(4,!0),h=[];let c=4*(A+2);for(let e=0;e<A;e++){const t=o.getUint32(4*(e+2),!0);h.push(n.subarray(c,c+t)),c+=t}l.parse(this.viewer,t,h,i,s,r)}},exports.XML3DLoaderPlugin=class extends V{constructor(e,t={}){super("XML3DLoader",e,t),t.workerScriptsPath?(this._workerScriptsPath=t.workerScriptsPath,this._loader=new Zw(this,t),this.supportedSchemas=this._loader.supportedSchemas):this.error("Config expected: workerScriptsPath")}load(e={}){e.workerScriptsPath=this._workerScriptsPath,e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Ls(this.viewer.scene,_.apply(e,{isModel:!0})),i=e.src;return i?(this._loader.load(this,t,i,e),t):(this.error("load() param expected: src"),t)}},exports.ZoneEditControl=rM,exports.ZoneEditMouseControl=class extends rM{constructor(e,t){super(e,t,!0,!1)}},exports.ZoneEditTouchControl=class extends rM{constructor(e,t){super(e,t,!1,!0)}},exports.ZoneTranslateControl=oM,exports.ZoneTranslateMouseControl=class extends oM{constructor(e,t){super(e,t,!0,!1)}},exports.ZoneTranslateTouchControl=class extends oM{constructor(e,t){super(e,t,!1,!0)}},exports.ZonesMouseControl=class extends iM{constructor(e,t={}){super(e,t,((e,t)=>$C(e,t)))}},exports.ZonesPlugin=class extends V{constructor(e,t={}){super("Zones",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._zones=[],this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,zone:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,zone:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,zone:t,event:e})}}createZone(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=new tM(this,{id:e.id,plugin:this,container:this._container,geometry:e.geometry,alpha:e.alpha,color:e.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(t),t.on("destroyed",(()=>{const e=this._zones.indexOf(t);e>=0&&this._zones.splice(e,1)})),this.fire("zoneCreated",t),t}get zones(){return this._zones}destroy(){super.destroy()}},exports.ZonesPolysurfaceMouseControl=class extends D{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=$C(o,(function(t,i){return eM(e,c.vec3([0,1,0]),t,i)}));!function o(){a._action=sM(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}},exports.ZonesPolysurfaceTouchControl=class extends D{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.pointerCircle=new Q(e.viewer),this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=Le(o,this.pointerCircle,(function(t,i){return eM(e,c.vec3([0,1,0]),t,i)}));!function o(){a._action=sM(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}},exports.ZonesTouchControl=class extends iM{constructor(e,t={}){const i=new Q(e.viewer);super(e,t,((e,t)=>Le(e,i,t))),this.pointerCircle=i}destroy(){this.pointerCircle.destroy(),super.destroy()}},exports.activateDraggableDot=Te,exports.activateDraggableDots=Re,exports.buildBoxGeometry=hi,exports.buildBoxLinesGeometry=ir,exports.buildBoxLinesGeometryFromAABB=function(e={}){return ir({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})},exports.buildCylinderGeometry=ys,exports.buildGridGeometry=sr,exports.buildLineGeometry=function(e={}){if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";let t=[],i=[],s=e.startPoint[0],r=e.startPoint[1],o=e.startPoint[2],n=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],A=Math.sqrt((n-s)**2+(a-r)**2+(l-o)**2),h=[(n-s)/A,(a-r)/A,(l-o)/A];if(e.pattern){let c=e.pattern.length,u=!1,d=0,p=0,f=0,g=[s,r,o],m=e.pattern[p];for(i.push(g[0],g[1],g[2]);m<=A-d;){let s=[h[0]*m,h[1]*m,h[2]*m],r=[g[0]+s[0],g[1]+s[1],g[2]+s[2]];i.push(r[0],r[1],r[2]),u||(t.push(f),t.push(f+1)),u=!u,f+=1,g=r,p+=1,p>=c&&(p=0),d+=m,m=e.pattern[p]}e.extendToEnd&&(i.push(n,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(s,r,o,n,a,l);return _.apply(e,{primitive:"lines",positions:i,indices:t})},exports.buildPlaneGeometry=rr,exports.buildPolylineGeometry=nr,exports.buildPolylineGeometryFromCurve=function(e={}){let t=e.curve.getPoints(e.divisions).map((e=>[...e])).flat();return nr({id:e.id,points:t})},exports.buildSphereGeometry=Bs,exports.buildTorusGeometry=or,exports.buildVectorTextGeometry=Ps,exports.createRTCViewMat=J,exports.frustumIntersectsAABB3=k,exports.getKTX2TextureTranscoder=nh,exports.getPlaneRTCPos=q,exports.isTriangleMeshSolid=lr,exports.load3DSGeometry=function(e,t={}){return new Promise((function(i,s){t.src||(console.error("load3DSGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,_.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),r.processes--,s());var o=tr.parse.from3DS(e).edit.objects[0].mesh,n=o.vertices,a=o.uvt,l=o.indices;r.processes--,i(_.apply(t,{primitive:"triangles",positions:n,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),r.processes--,s()}))}))},exports.loadOBJGeometry=function(e,t={}){return new Promise((function(i,s){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,_.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),r.processes--,s());for(var o=tr.parse.fromOBJ(e),n=tr.edit.unwrap(o.i_verts,o.c_verts,3),a=tr.edit.unwrap(o.i_norms,o.c_norms,3),l=tr.edit.unwrap(o.i_uvt,o.c_uvt,2),A=new Int32Array(o.i_verts.length),h=0;h<o.i_verts.length;h++)A[h]=h;r.processes--,i(_.apply(t,{primitive:"triangles",positions:n,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:A}))}),(function(e){console.error("loadOBJGeometry: "+e),r.processes--,s()}))}))},exports.math=c,exports.meshSurfaceArea=yr,exports.meshVolume=dr,exports.os=H,exports.rtcToWorldPos=function(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i},exports.sRGBEncoding=3001,exports.setFrustum=O,exports.stats=p,exports.touchPointSelector=Le,exports.transformToNode=Ce,exports.utils=_,exports.worldToRTCPos=Y,exports.worldToRTCPositions=Z;
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h=A.length?parseInt(xu.apply(void 0,A),10):0;return i*(r+a*Math.pow(10,-n))*Math.pow(10,l*h)},Fd={type:2},Id={type:3},Dd={type:4},Sd={type:13},Td={type:8},Rd={type:21},Ld={type:9},Ud={type:10},Od={type:11},kd={type:12},Nd={type:14},Qd={type:23},Vd={type:1},Hd={type:25},jd={type:24},Gd={type:26},zd={type:27},Kd={type:28},Wd={type:29},Xd={type:31},Jd={type:32},Yd=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(Bu(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==Jd;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),s=this.peekCodePoint(2);if(xd(t)||wd(i,s)){var r=Cd(t,i,s)?2:1;return{type:5,value:this.consumeName(),flags:r}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Sd;break;case 39:return this.consumeStringToken(39);case 40:return Fd;case 41:return Id;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Nd;break;case 43:if(Md(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return Dd;case 45:var o=e,n=this.peekCodePoint(0),a=this.peekCodePoint(1);if(Md(o,n,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(Cd(o,n,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===n&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),jd;break;case 46:if(Md(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return Gd;case 59:return zd;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),Hd;break;case 64:var A=this.peekCodePoint(0),h=this.peekCodePoint(1),c=this.peekCodePoint(2);if(Cd(A,h,c))return{type:7,value:this.consumeName()};break;case 91:return Kd;case 92:if(wd(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return Wd;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Td;break;case 123:return Od;case 125:return kd;case 117:case 85:var u=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==u||!bd(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Ld;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),Rd;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Ud;break;case-1:return Jd}return yd(e)?(this.consumeWhiteSpace(),Xd):vd(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):Bd(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:xu(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();bd(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(xu.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(xu.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var s=parseInt(xu.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&bd(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var r=[];bd(t)&&r.length<6;)r.push(t),t=this.consumeCodePoint();return{type:30,start:s,end:parseInt(xu.apply(void 0,r),16)}}return{type:30,start:s,end:s}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),Qd)}for(;;){var s=this.consumeCodePoint();if(-1===s||41===s)return{type:22,value:xu.apply(void 0,e)};if(yd(s))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:xu.apply(void 0,e)}):(this.consumeBadUrlRemnants(),Qd);if(34===s||39===s||40===s||Pd(s))return this.consumeBadUrlRemnants(),Qd;if(92===s){if(!wd(s,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),Qd;e.push(this.consumeEscapedCodePoint())}else e.push(s)}},e.prototype.consumeWhiteSpace=function(){for(;yd(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;wd(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=xu.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var s=this._value[i];if(-1===s||void 0===s||s===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===s)return this._value.splice(0,i),Vd;if(92===s){var r=this._value[i+1];-1!==r&&void 0!==r&&(10===r?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):wd(s,r)&&(t+=this.consumeStringSlice(i),t+=xu(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());vd(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var s=this.peekCodePoint(1);if(46===i&&vd(s))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;vd(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),s=this.peekCodePoint(1);var r=this.peekCodePoint(2);if((69===i||101===i)&&((43===s||45===s)&&vd(r)||vd(s)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;vd(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[Ed(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],s=this.peekCodePoint(0),r=this.peekCodePoint(1),o=this.peekCodePoint(2);return Cd(s,r,o)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===s?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(bd(e)){for(var t=xu(e);bd(this.peekCodePoint(0))&&t.length<6;)t+=xu(this.consumeCodePoint());yd(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(xd(t))e+=xu(t);else{if(!wd(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=xu(this.consumeEscapedCodePoint())}}},e}(),Zd=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new Yd;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||np(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?Jd:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),qd=function(e){return 15===e.type},$d=function(e){return 17===e.type},ep=function(e){return 20===e.type},tp=function(e){return 0===e.type},ip=function(e,t){return ep(e)&&e.value===t},sp=function(e){return 31!==e.type},rp=function(e){return 31!==e.type&&4!==e.type},op=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},np=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},ap=function(e){return 17===e.type||15===e.type},lp=function(e){return 16===e.type||ap(e)},Ap=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},hp={type:17,number:0,flags:4},cp={type:16,number:50,flags:4},up={type:16,number:100,flags:4},dp=function(e,t,i){var s=e[0],r=e[1];return[pp(s,t),pp(void 0!==r?r:s,i)]},pp=function(e,t){if(16===e.type)return e.number/100*t;if(qd(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},fp=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},gp=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},mp=function(e){switch(e.filter(ep).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[hp,hp];case"to top":case"bottom":return _p(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[hp,up];case"to right":case"left":return _p(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[up,up];case"to bottom":case"top":return _p(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[up,hp];case"to left":case"right":return _p(270)}return 0},_p=function(e){return Math.PI*e/180},vp=function(e,t){if(18===t.type){var i=Mp[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color function "'+t.name+'"');return i(e,t.values)}if(5===t.type){if(3===t.value.length){var s=t.value.substring(0,1),r=t.value.substring(1,2),o=t.value.substring(2,3);return Bp(parseInt(s+s,16),parseInt(r+r,16),parseInt(o+o,16),1)}if(4===t.value.length){s=t.value.substring(0,1),r=t.value.substring(1,2),o=t.value.substring(2,3);var n=t.value.substring(3,4);return Bp(parseInt(s+s,16),parseInt(r+r,16),parseInt(o+o,16),parseInt(n+n,16)/255)}if(6===t.value.length){s=t.value.substring(0,2),r=t.value.substring(2,4),o=t.value.substring(4,6);return Bp(parseInt(s,16),parseInt(r,16),parseInt(o,16),1)}if(8===t.value.length){s=t.value.substring(0,2),r=t.value.substring(2,4),o=t.value.substring(4,6),n=t.value.substring(6,8);return Bp(parseInt(s,16),parseInt(r,16),parseInt(o,16),parseInt(n,16)/255)}}if(20===t.type){var a=Fp[t.value.toUpperCase()];if(void 0!==a)return a}return Fp.TRANSPARENT},bp=function(e){return 0==(255&e)},yp=function(e){var t=255&e,i=255&e>>8,s=255&e>>16,r=255&e>>24;return t<255?"rgba("+r+","+s+","+i+","+t/255+")":"rgb("+r+","+s+","+i+")"},Bp=function(e,t,i,s){return(e<<24|t<<16|i<<8|Math.round(255*s)<<0)>>>0},xp=function(e,t){if(17===e.type)return e.number;if(16===e.type){var i=3===t?1:255;return 3===t?e.number/100*i:Math.round(e.number/100*i)}return 0},Pp=function(e,t){var i=t.filter(rp);if(3===i.length){var s=i.map(xp),r=s[0],o=s[1],n=s[2];return Bp(r,o,n,1)}if(4===i.length){var a=i.map(xp),l=(r=a[0],o=a[1],n=a[2],a[3]);return Bp(r,o,n,l)}return 0};function wp(e,t,i){return i<0&&(i+=1),i>=1&&(i-=1),i<1/6?(t-e)*i*6+e:i<.5?t:i<2/3?6*(t-e)*(2/3-i)+e:e}var Cp=function(e,t){var i=t.filter(rp),s=i[0],r=i[1],o=i[2],n=i[3],a=(17===s.type?_p(s.number):fp(e,s))/(2*Math.PI),l=lp(r)?r.number/100:0,A=lp(o)?o.number/100:0,h=void 0!==n&&lp(n)?pp(n,1):1;if(0===l)return Bp(255*A,255*A,255*A,1);var c=A<=.5?A*(l+1):A+l-A*l,u=2*A-c,d=wp(u,c,a+1/3),p=wp(u,c,a),f=wp(u,c,a-1/3);return Bp(255*d,255*p,255*f,h)},Mp={hsl:Cp,hsla:Cp,rgb:Pp,rgba:Pp},Ep=function(e,t){return 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x_(i.left+P/2,i.top+y/2),this.topRightBorderStroke=r>0||o>0?E_(i.left+m,i.top+y/2,a-B/2,l-y/2,$m.TOP_RIGHT):new x_(i.left+i.width-B/2,i.top+y/2),this.bottomRightBorderStroke=h>0||c>0?E_(i.left+v,i.top+_,h-B/2,c-x/2,$m.BOTTOM_RIGHT):new x_(i.left+i.width-B/2,i.top+i.height-x/2),this.bottomLeftBorderStroke=d>0||p>0?E_(i.left+P/2,i.top+b,d-P/2,p-x/2,$m.BOTTOM_LEFT):new x_(i.left+P/2,i.top+i.height-x/2),this.topLeftBorderBox=r>0||o>0?E_(i.left,i.top,r,o,$m.TOP_LEFT):new x_(i.left,i.top),this.topRightBorderBox=a>0||l>0?E_(i.left+m,i.top,a,l,$m.TOP_RIGHT):new x_(i.left+i.width,i.top),this.bottomRightBorderBox=h>0||c>0?E_(i.left+v,i.top+_,h,c,$m.BOTTOM_RIGHT):new x_(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?E_(i.left,i.top+b,d,p,$m.BOTTOM_LEFT):new x_(i.left,i.top+i.height),this.topLeftPaddingBox=r>0||o>0?E_(i.left+P,i.top+y,Math.max(0,r-P),Math.max(0,o-y),$m.TOP_LEFT):new x_(i.left+P,i.top+y),this.topRightPaddingBox=a>0||l>0?E_(i.left+Math.min(m,i.width-B),i.top+y,m>i.width+B?0:Math.max(0,a-B),Math.max(0,l-y),$m.TOP_RIGHT):new x_(i.left+i.width-B,i.top+y),this.bottomRightPaddingBox=h>0||c>0?E_(i.left+Math.min(v,i.width-P),i.top+Math.min(_,i.height-x),Math.max(0,h-B),Math.max(0,c-x),$m.BOTTOM_RIGHT):new x_(i.left+i.width-B,i.top+i.height-x),this.bottomLeftPaddingBox=d>0||p>0?E_(i.left+P,i.top+Math.min(b,i.height-x),Math.max(0,d-P),Math.max(0,p-x),$m.BOTTOM_LEFT):new x_(i.left+P,i.top+i.height-x),this.topLeftContentBox=r>0||o>0?E_(i.left+P+E,i.top+y+w,Math.max(0,r-(P+E)),Math.max(0,o-(y+w)),$m.TOP_LEFT):new x_(i.left+P+E,i.top+y+w),this.topRightContentBox=a>0||l>0?E_(i.left+Math.min(m,i.width+P+E),i.top+y+w,m>i.width+P+E?0:a-P+E,l-(y+w),$m.TOP_RIGHT):new x_(i.left+i.width-(B+C),i.top+y+w),this.bottomRightContentBox=h>0||c>0?E_(i.left+Math.min(v,i.width-(P+E)),i.top+Math.min(_,i.height+y+w),Math.max(0,h-(B+C)),c-(x+M),$m.BOTTOM_RIGHT):new x_(i.left+i.width-(B+C),i.top+i.height-(x+M)),this.bottomLeftContentBox=d>0||p>0?E_(i.left+P+E,i.top+b,Math.max(0,d-(P+E)),p-(x+M),$m.BOTTOM_LEFT):new x_(i.left+P+E,i.top+i.height-(x+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}($m||($m={}));var E_=function(e,t,i,s,r){var o=(Math.sqrt(2)-1)/3*4,n=i*o,a=s*o,l=e+i,A=t+s;switch(r){case $m.TOP_LEFT:return new w_(new x_(e,A),new x_(e,A-a),new x_(l-n,t),new x_(l,t));case $m.TOP_RIGHT:return new w_(new x_(e,t),new x_(e+n,t),new x_(l,A-a),new x_(l,A));case $m.BOTTOM_RIGHT:return new w_(new x_(l,t),new x_(l,t+a),new x_(e+n,A),new x_(e,A));case $m.BOTTOM_LEFT:default:return new w_(new x_(l,A),new x_(l-n,A),new x_(e,t+a),new x_(e,t))}},F_=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},I_=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},D_=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},S_=function(e,t){this.path=e,this.target=t,this.type=1},T_=function(e){this.opacity=e,this.type=2,this.target=6},R_=function(e){return 1===e.type},L_=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},U_=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},O_=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new M_(this.container),this.container.styles.opacity<1&&this.effects.push(new T_(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,s=this.container.bounds.top+this.container.styles.transformOrigin[1].number,r=this.container.styles.transform;this.effects.push(new D_(i,s,r))}if(0!==this.container.styles.overflowX){var o=F_(this.curves),n=I_(this.curves);L_(o,n)?this.effects.push(new S_(o,6)):(this.effects.push(new S_(o,2)),this.effects.push(new S_(n,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,s=this.effects.slice(0);i;){var r=i.effects.filter((function(e){return!R_(e)}));if(t||0!==i.container.styles.position||!i.parent){if(s.unshift.apply(s,r),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var o=F_(i.curves),n=I_(i.curves);L_(o,n)||s.unshift(new S_(n,6))}}else s.unshift.apply(s,r);i=i.parent}return s.filter((function(t){return Ag(t.target,e)}))},e}(),k_=function(e,t,i,s){e.container.elements.forEach((function(r){var o=Ag(r.flags,4),n=Ag(r.flags,2),a=new O_(r,e);Ag(r.styles.display,2048)&&s.push(a);var l=Ag(r.flags,8)?[]:s;if(o||n){var A=o||r.styles.isPositioned()?i:t,h=new U_(a);if(r.styles.isPositioned()||r.styles.opacity<1||r.styles.isTransformed()){var c=r.styles.zIndex.order;if(c<0){var u=0;A.negativeZIndex.some((function(e,t){return c>e.element.container.styles.zIndex.order?(u=t,!1):u>0})),A.negativeZIndex.splice(u,0,h)}else if(c>0){var d=0;A.positiveZIndex.some((function(e,t){return c>=e.element.container.styles.zIndex.order?(d=t+1,!1):d>0})),A.positiveZIndex.splice(d,0,h)}else A.zeroOrAutoZIndexOrTransformedOrOpacity.push(h)}else r.styles.isFloating()?A.nonPositionedFloats.push(h):A.nonPositionedInlineLevel.push(h);k_(a,h,o?h:i,l)}else r.styles.isInlineLevel()?t.inlineLevel.push(a):t.nonInlineLevel.push(a),k_(a,t,i,l);Ag(r.flags,8)&&N_(r,l)}))},N_=function(e,t){for(var i=e instanceof Am?e.start:1,s=e instanceof Am&&e.reversed,r=0;r<t.length;r++){var o=t[r];o.container instanceof lm&&"number"==typeof o.container.value&&0!==o.container.value&&(i=o.container.value),o.listValue=Zm(i,o.container.styles.listStyleType,!0),i+=s?-1:1}},Q_=function(e,t){switch(t){case 0:return H_(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return H_(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return H_(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return H_(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},V_=function(e,t){var i=[];return C_(e)?i.push(e.subdivide(.5,!1)):i.push(e),C_(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},H_=function(e,t,i,s){var r=[];return C_(e)?r.push(e.subdivide(.5,!1)):r.push(e),C_(i)?r.push(i.subdivide(.5,!0)):r.push(i),C_(s)?r.push(s.subdivide(.5,!0).reverse()):r.push(s),C_(t)?r.push(t.subdivide(.5,!1).reverse()):r.push(t),r},j_=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},G_=function(e){var t=e.styles,i=e.bounds,s=pp(t.paddingLeft,i.width),r=pp(t.paddingRight,i.width),o=pp(t.paddingTop,i.width),n=pp(t.paddingBottom,i.width);return i.add(s+t.borderLeftWidth,o+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+s+r),-(t.borderTopWidth+t.borderBottomWidth+o+n))},z_=function(e,t,i){var s=function(e,t){return 0===e?t.bounds:2===e?G_(t):j_(t)}(J_(e.styles.backgroundOrigin,t),e),r=function(e,t){return 0===e?t.bounds:2===e?G_(t):j_(t)}(J_(e.styles.backgroundClip,t),e),o=X_(J_(e.styles.backgroundSize,t),i,s),n=o[0],a=o[1],l=dp(J_(e.styles.backgroundPosition,t),s.width-n,s.height-a);return[Y_(J_(e.styles.backgroundRepeat,t),l,o,s,r),Math.round(s.left+l[0]),Math.round(s.top+l[1]),n,a]},K_=function(e){return ep(e)&&e.value===Qp.AUTO},W_=function(e){return"number"==typeof e},X_=function(e,t,i){var s=t[0],r=t[1],o=t[2],n=e[0],a=e[1];if(!n)return[0,0];if(lp(n)&&a&&lp(a))return[pp(n,i.width),pp(a,i.height)];var l=W_(o);if(ep(n)&&(n.value===Qp.CONTAIN||n.value===Qp.COVER))return W_(o)?i.width/i.height<o!=(n.value===Qp.COVER)?[i.width,i.width/o]:[i.height*o,i.height]:[i.width,i.height];var A=W_(s),h=W_(r),c=A||h;if(K_(n)&&(!a||K_(a)))return A&&h?[s,r]:l||c?c&&l?[A?s:r*o,h?r:s/o]:[A?s:i.width,h?r:i.height]:[i.width,i.height];if(l){var u=0,d=0;return lp(n)?u=pp(n,i.width):lp(a)&&(d=pp(a,i.height)),K_(n)?u=d*o:a&&!K_(a)||(d=u/o),[u,d]}var p=null,f=null;if(lp(n)?p=pp(n,i.width):a&&lp(a)&&(f=pp(a,i.height)),null===p||a&&!K_(a)||(f=A&&h?p/s*r:i.height),null!==f&&K_(n)&&(p=A&&h?f/r*s:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},J_=function(e,t){var i=e[t];return void 0===i?e[0]:i},Y_=function(e,t,i,s,r){var o=t[0],n=t[1],a=i[0],l=i[1];switch(e){case 2:return[new x_(Math.round(s.left),Math.round(s.top+n)),new x_(Math.round(s.left+s.width),Math.round(s.top+n)),new x_(Math.round(s.left+s.width),Math.round(l+s.top+n)),new x_(Math.round(s.left),Math.round(l+s.top+n))];case 3:return[new x_(Math.round(s.left+o),Math.round(s.top)),new x_(Math.round(s.left+o+a),Math.round(s.top)),new x_(Math.round(s.left+o+a),Math.round(s.height+s.top)),new x_(Math.round(s.left+o),Math.round(s.height+s.top))];case 1:return[new x_(Math.round(s.left+o),Math.round(s.top+n)),new x_(Math.round(s.left+o+a),Math.round(s.top+n)),new x_(Math.round(s.left+o+a),Math.round(s.top+n+l)),new x_(Math.round(s.left+o),Math.round(s.top+n+l))];default:return[new x_(Math.round(r.left),Math.round(r.top)),new x_(Math.round(r.left+r.width),Math.round(r.top)),new x_(Math.round(r.left+r.width),Math.round(r.height+r.top)),new x_(Math.round(r.left),Math.round(r.height+r.top))]}},Z_=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),s=this._document.createElement("img"),r=this._document.createElement("span"),o=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",o.appendChild(i),s.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",s.width=1,s.height=1,s.style.margin="0",s.style.padding="0",s.style.verticalAlign="baseline",r.style.fontFamily=e,r.style.fontSize=t,r.style.margin="0",r.style.padding="0",r.appendChild(this._document.createTextNode("Hidden 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Z_(document),s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.ctx.textBaseline="bottom",s._activeEffects=[],s.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),s}return fu(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),R_(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return mu(this,void 0,void 0,(function(){return _u(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return mu(this,void 0,void 0,(function(){return _u(this,(function(t){switch(t.label){case 0:return Ag(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var s=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):Zg(e.text).reduce((function(t,r){return s.ctx.fillText(r,t,e.bounds.top+i),t+s.ctx.measureText(r).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=rv(e.fontFamily).join(", 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s=t.textShadow;s.length&&e.text.trim().length&&(s.slice(0).reverse().forEach((function(i){h.ctx.shadowColor=yp(i.color),h.ctx.shadowOffsetX=i.offsetX.number*h.options.scale,h.ctx.shadowOffsetY=i.offsetY.number*h.options.scale,h.ctx.shadowBlur=i.blur.number,h.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),h.ctx.shadowColor="",h.ctx.shadowOffsetX=0,h.ctx.shadowOffsetY=0,h.ctx.shadowBlur=0),t.textDecorationLine.length&&(h.ctx.fillStyle=yp(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:h.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(h.ctx.strokeStyle=yp(t.webkitTextStrokeColor),h.ctx.lineWidth=t.webkitTextStrokeWidth,h.ctx.lineJoin=window.chrome?"miter":"round",h.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),h.ctx.strokeStyle="",h.ctx.lineWidth=0,h.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var s=G_(e),r=I_(t);this.path(r),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,s.left,s.top,s.width,s.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return mu(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v;return _u(this,(function(b){switch(b.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,s=e.curves,r=i.styles,o=0,n=i.textNodes,b.label=1;case 1:return o<n.length?(a=n[o],[4,this.renderTextNode(a,r)]):[3,4];case 2:b.sent(),b.label=3;case 3:return o++,[3,1];case 4:if(!(i instanceof om))return[3,8];b.label=5;case 5:return b.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,8];case 7:return b.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof nm&&this.renderReplacedElement(i,s,i.canvas),!(i instanceof am))return[3,12];b.label=9;case 9:return b.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,12];case 11:return b.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof gm&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=b.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),b.label=14;case 14:if(i instanceof dm&&(A=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new x_(i.bounds.left+.39363*A,i.bounds.top+.79*A),new x_(i.bounds.left+.16*A,i.bounds.top+.5549*A),new x_(i.bounds.left+.27347*A,i.bounds.top+.44071*A),new x_(i.bounds.left+.39694*A,i.bounds.top+.5649*A),new x_(i.bounds.left+.72983*A,i.bounds.top+.23*A),new x_(i.bounds.left+.84*A,i.bounds.top+.34085*A),new x_(i.bounds.left+.39363*A,i.bounds.top+.79*A)]),this.ctx.fillStyle=yp(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+A/2,i.bounds.top+A/2,A/4,0,2*Math.PI,!0),this.ctx.fillStyle=yp(707406591),this.ctx.fill(),this.ctx.restore())),ev(i)&&i.value.length){switch(h=this.createFontStyle(r),_=h[0],c=h[1],u=this.fontMetrics.getMetrics(_,c).baseline,this.ctx.font=_,this.ctx.fillStyle=yp(r.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=iv(i.styles.textAlign),v=G_(i),d=0,i.styles.textAlign){case 1:d+=v.width/2;break;case 2:d+=v.width}p=v.add(d,0,0,-v.height/2+1),this.ctx.save(),this.path([new x_(v.left,v.top),new x_(v.left+v.width,v.top),new x_(v.left+v.width,v.top+v.height),new x_(v.left,v.top+v.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new Xg(i.value,p),r.letterSpacing,u),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!Ag(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];g=void 0,m=f.url,b.label=15;case 15:return b.trys.push([15,17,,18]),[4,this.context.cache.match(m)];case 16:return g=b.sent(),this.ctx.drawImage(g,i.bounds.left-(g.width+10),i.bounds.top),[3,18];case 17:return b.sent(),this.context.logger.error("Error loading list-style-image "+m),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(_=this.createFontStyle(r)[0],this.ctx.font=_,this.ctx.fillStyle=yp(r.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",v=new bu(i.bounds.left,i.bounds.top+pp(i.styles.paddingTop,i.bounds.width),i.bounds.width,Cf(r.lineHeight,r.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new Xg(e.listValue,v),r.letterSpacing,Cf(r.lineHeight,r.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),b.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return mu(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A,h,c,u,d,p,f;return _u(this,(function(g){switch(g.label){case 0:return Ag(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:g.sent(),t=0,i=e.negativeZIndex,g.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:g.sent(),g.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:g.sent(),s=0,r=e.nonInlineLevel,g.label=7;case 7:return s<r.length?(f=r[s],[4,this.renderNode(f)]):[3,10];case 8:g.sent(),g.label=9;case 9:return s++,[3,7];case 10:o=0,n=e.nonPositionedFloats,g.label=11;case 11:return o<n.length?(f=n[o],[4,this.renderStack(f)]):[3,14];case 12:g.sent(),g.label=13;case 13:return o++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,g.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:g.sent(),g.label=17;case 17:return a++,[3,15];case 18:A=0,h=e.inlineLevel,g.label=19;case 19:return A<h.length?(f=h[A],[4,this.renderNode(f)]):[3,22];case 20:g.sent(),g.label=21;case 21:return A++,[3,19];case 22:c=0,u=e.zeroOrAutoZIndexOrTransformedOrOpacity,g.label=23;case 23:return c<u.length?(f=u[c],[4,this.renderStack(f)]):[3,26];case 24:g.sent(),g.label=25;case 25:return c++,[3,23];case 26:d=0,p=e.positiveZIndex,g.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:g.sent(),g.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var s=C_(e)?e.start:e;0===i?t.ctx.moveTo(s.x,s.y):t.ctx.lineTo(s.x,s.y),C_(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,s){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,s),this.ctx.fill(),this.ctx.translate(-i,-s)},t.prototype.resizeImage=function(e,t,i){var s;if(e.width===t&&e.height===i)return e;var r=(null!==(s=this.canvas.ownerDocument)&&void 0!==s?s:document).createElement("canvas");return r.width=Math.max(1,t),r.height=Math.max(1,i),r.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),r},t.prototype.renderBackgroundImage=function(e){return mu(this,void 0,void 0,(function(){var t,i,s,r,o,n;return _u(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,x,P,w,C,M,E,F,I,D,S,T,R;return _u(this,(function(L){switch(L.label){case 0:if(0!==i.type)return[3,5];r=void 0,o=i.url,L.label=1;case 1:return L.trys.push([1,3,,4]),[4,s.context.cache.match(o)];case 2:return r=L.sent(),[3,4];case 3:return L.sent(),s.context.logger.error("Error loading background-image "+o),[3,4];case 4:return r&&(n=z_(e,t,[r.width,r.height,r.width/r.height]),v=n[0],w=n[1],C=n[2],B=n[3],x=n[4],m=s.ctx.createPattern(s.resizeImage(r,B,x),"repeat"),s.renderRepeat(v,m,w,C)),[3,6];case 5:1===i.type?(a=z_(e,t,[null,null,null]),v=a[0],w=a[1],C=a[2],B=a[3],x=a[4],l=Rp(i.angle,B,x),A=l[0],h=l[1],c=l[2],u=l[3],d=l[4],(p=document.createElement("canvas")).width=B,p.height=x,f=p.getContext("2d"),g=f.createLinearGradient(h,u,c,d),Tp(i.stops,A).forEach((function(e){return g.addColorStop(e.stop,yp(e.color))})),f.fillStyle=g,f.fillRect(0,0,B,x),B>0&&x>0&&(m=s.ctx.createPattern(p,"repeat"),s.renderRepeat(v,m,w,C))):function(e){return 2===e.type}(i)&&(_=z_(e,t,[null,null,null]),v=_[0],b=_[1],y=_[2],B=_[3],x=_[4],P=0===i.position.length?[cp]:i.position,w=pp(P[0],B),C=pp(P[P.length-1],x),M=function(e,t,i,s,r){var o=0,n=0;switch(e.size){case 0:0===e.shape?o=n=Math.min(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.min(Math.abs(t),Math.abs(t-s)),n=Math.min(Math.abs(i),Math.abs(i-r)));break;case 2:if(0===e.shape)o=n=Math.min(Lp(t,i),Lp(t,i-r),Lp(t-s,i),Lp(t-s,i-r));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-r))/Math.min(Math.abs(t),Math.abs(t-s)),l=Up(s,r,t,i,!0),A=l[0],h=l[1];n=a*(o=Lp(A-t,(h-i)/a))}break;case 1:0===e.shape?o=n=Math.max(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.max(Math.abs(t),Math.abs(t-s)),n=Math.max(Math.abs(i),Math.abs(i-r)));break;case 3:if(0===e.shape)o=n=Math.max(Lp(t,i),Lp(t,i-r),Lp(t-s,i),Lp(t-s,i-r));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-r))/Math.max(Math.abs(t),Math.abs(t-s));var c=Up(s,r,t,i,!1);A=c[0],h=c[1],n=a*(o=Lp(A-t,(h-i)/a))}}return Array.isArray(e.size)&&(o=pp(e.size[0],s),n=2===e.size.length?pp(e.size[1],r):o),[o,n]}(i,w,C,B,x),E=M[0],F=M[1],E>0&&F>0&&(I=s.ctx.createRadialGradient(b+w,y+C,0,b+w,y+C,E),Tp(i.stops,2*E).forEach((function(e){return I.addColorStop(e.stop,yp(e.color))})),s.path(v),s.ctx.fillStyle=I,E!==F?(D=e.bounds.left+.5*e.bounds.width,S=e.bounds.top+.5*e.bounds.height,R=1/(T=F/E),s.ctx.save(),s.ctx.translate(D,S),s.ctx.transform(1,0,0,T,0,0),s.ctx.translate(-D,-S),s.ctx.fillRect(b,R*(y-S)+S,B,x*R),s.ctx.restore()):s.ctx.fill())),L.label=6;case 6:return t--,[2]}}))},s=this,r=0,o=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return r<o.length?(n=o[r],[5,i(n)]):[3,4];case 2:a.sent(),a.label=3;case 3:return r++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return mu(this,void 0,void 0,(function(){return _u(this,(function(s){return this.path(Q_(i,t)),this.ctx.fillStyle=yp(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,s){return mu(this,void 0,void 0,(function(){var r,o;return _u(this,(function(n){switch(n.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,s)]:[3,2];case 1:return n.sent(),[2];case 2:return r=function(e,t){switch(t){case 0:return H_(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return H_(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return H_(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return H_(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(s,i),this.path(r),this.ctx.fillStyle=yp(e),this.ctx.fill(),o=function(e,t){switch(t){case 0:return H_(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return H_(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return H_(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return H_(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(s,i),this.path(o),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return mu(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A=this;return _u(this,(function(h){switch(h.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!bp(t.backgroundColor)||t.backgroundImage.length,s=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],r=tv(J_(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(r),this.ctx.clip(),bp(t.backgroundColor)||(this.ctx.fillStyle=yp(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:h.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){A.ctx.save();var i,s,r,o,n,a=F_(e.curves),l=t.inset?0:1e4,h=(i=a,s=-l+(t.inset?1:-1)*t.spread.number,r=(t.inset?1:-1)*t.spread.number,o=t.spread.number*(t.inset?-2:2),n=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(s,r);case 1:return e.add(s+o,r);case 2:return e.add(s+o,r+n);case 3:return e.add(s,r+n)}return e})));t.inset?(A.path(a),A.ctx.clip(),A.mask(h)):(A.mask(a),A.ctx.clip(),A.path(h)),A.ctx.shadowOffsetX=t.offsetX.number+l,A.ctx.shadowOffsetY=t.offsetY.number,A.ctx.shadowColor=yp(t.color),A.ctx.shadowBlur=t.blur.number,A.ctx.fillStyle=t.inset?yp(t.color):"rgba(0,0,0,1)",A.ctx.fill(),A.ctx.restore()})),h.label=2;case 2:o=0,n=0,a=s,h.label=3;case 3:return n<a.length?0!==(l=a[n]).style&&!bp(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,2)]:[3,11]:[3,13];case 4:return h.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,3)];case 6:return h.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,o,e.curves)];case 8:return h.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,o,e.curves)];case 10:h.sent(),h.label=11;case 11:o++,h.label=12;case 12:return n++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,s,r){return mu(this,void 0,void 0,(function(){var o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b;return _u(this,(function(y){return this.ctx.save(),o=function(e,t){switch(t){case 0:return V_(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return V_(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return V_(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return V_(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(s,i),n=Q_(s,i),2===r&&(this.path(n),this.ctx.clip()),C_(n[0])?(a=n[0].start.x,l=n[0].start.y):(a=n[0].x,l=n[0].y),C_(n[1])?(A=n[1].end.x,h=n[1].end.y):(A=n[1].x,h=n[1].y),c=0===i||2===i?Math.abs(a-A):Math.abs(l-h),this.ctx.beginPath(),3===r?this.formatPath(o):this.formatPath(n.slice(0,2)),u=t<3?3*t:2*t,d=t<3?2*t:t,3===r&&(u=t,d=t),p=!0,c<=2*u?p=!1:c<=2*u+d?(u*=f=c/(2*u+d),d*=f):(g=Math.floor((c+d)/(u+d)),m=(c-g*u)/(g-1),d=(_=(c-(g+1)*u)/g)<=0||Math.abs(d-m)<Math.abs(d-_)?m:_),p&&(3===r?this.ctx.setLineDash([0,u+d]):this.ctx.setLineDash([u,d])),3===r?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=yp(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===r&&(C_(n[0])&&(v=n[3],b=n[0],this.ctx.beginPath(),this.formatPath([new x_(v.end.x,v.end.y),new x_(b.start.x,b.start.y)]),this.ctx.stroke()),C_(n[1])&&(v=n[1],b=n[2],this.ctx.beginPath(),this.formatPath([new x_(v.end.x,v.end.y),new x_(b.start.x,b.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return mu(this,void 0,void 0,(function(){var t;return _u(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=yp(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),s=new O_(e,null),r=new U_(s),k_(s,r,r,o=[]),N_(s.container,o),t=r,[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}var s,r,o}))}))},t}(q_),ev=function(e){return e instanceof fm||(e instanceof pm||e instanceof dm&&"radio"!==e.type&&"checkbox"!==e.type)},tv=function(e,t){switch(e){case 0:return F_(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return I_(t)}},iv=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},sv=["-apple-system","system-ui"],rv=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===sv.indexOf(e)})):e},ov=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),s.options=i,s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px",s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),s}return fu(t,e),t.prototype.render=function(e){return mu(this,void 0,void 0,(function(){var t,i;return _u(this,(function(s){switch(s.label){case 0:return 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function(e,t=null){!function(e){for(const t in e||mB)return!1;return!0}(t)&&_B||(t=null);if(t)try{return await createImageBitmap(e,t)}catch(e){console.warn(e),_B=!1}return await createImageBitmap(e)}(s,r)}function bB(e){const t=yB(e);return function(e){const t=yB(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){const t=yB(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;const{tableMarkers:i,sofMarkers:s}=function(){const e=new Set([65499,65476,65484,65501,65534]);for(let t=65504;t<65520;++t)e.add(t);const t=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:t}}();let r=2;for(;r+9<t.byteLength;){const e=t.getUint16(r,false);if(s.has(e))return{mimeType:"image/jpeg",height:t.getUint16(r+5,false),width:t.getUint16(r+7,false)};if(!i.has(e))return null;r+=2,r+=t.getUint16(r,false)}return null}(t)||function(e){const t=yB(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){const t=yB(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function yB(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}const BB={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:async function(e,t,i){const s=((t=t||{}).image||{}).type||"auto",{url:r}=i||{};let o;switch(function(e){switch(e){case"auto":case"data":return function(){if(lB)return"imagebitmap";if(aB)return"image";if(hB)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return lB||aB||hB;case"imagebitmap":return lB;case"image":return aB;case"data":return hB;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}(s)){case"imagebitmap":o=await vB(e,t,r);break;case"image":o=await gB(e,t,r);break;case"data":o=await async function(e,t){const{mimeType:i}=bB(e)||{},s=globalThis._parseImageNode;return uv(s),await s(e,i)}(e);break;default:uv(!1)}return"data"===s&&(o=function(e){switch(cB(e)){case"data":return e;case"image":case"imagebitmap":const t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}(o)),o},tests:[e=>Boolean(bB(new DataView(e)))],options:{image:{type:"auto",decode:!0}}},xB=["image/png","image/jpeg","image/gif"],PB={};function wB(e){return void 0===PB[e]&&(PB[e]=function(e){switch(e){case"image/webp":return function(){if(!dv)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch{return!1}}();case"image/svg":return dv;default:if(!dv){const{_parseImageNode:t}=globalThis;return Boolean(t)&&xB.includes(e)}return!0}}(e)),PB[e]}function CB(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function MB(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;const i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}const EB=["SCALAR","VEC2","VEC3","VEC4"],FB=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],IB=new Map(FB),DB={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},SB={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},TB={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function RB(e){return EB[e-1]||EB[0]}function LB(e){const t=IB.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function UB(e,t){const i=TB[e.componentType],s=DB[e.type],r=SB[e.componentType],o=e.count*s,n=e.count*s*r;return CB(n>=0&&n<=t.byteLength),{ArrayType:i,length:o,byteLength:n}}const OB={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]};class kB{constructor(e){Bv(this,"gltf",void 0),Bv(this,"sourceBuffers",void 0),Bv(this,"byteLength",void 0),this.gltf=e||{json:{...OB},buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}get json(){return this.gltf.json}getApplicationData(e){return this.json[e]}getExtraData(e){return(this.json.extras||{})[e]}getExtension(e){const t=this.getUsedExtensions().find((t=>t===e)),i=this.json.extensions||{};return t?i[e]||!0:null}getRequiredExtension(e){const t=this.getRequiredExtensions().find((t=>t===e));return t?this.getExtension(e):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getObjectExtension(e,t){return(e.extensions||{})[t]}getScene(e){return this.getObject("scenes",e)}getNode(e){return this.getObject("nodes",e)}getSkin(e){return this.getObject("skins",e)}getMesh(e){return this.getObject("meshes",e)}getMaterial(e){return this.getObject("materials",e)}getAccessor(e){return this.getObject("accessors",e)}getTexture(e){return this.getObject("textures",e)}getSampler(e){return this.getObject("samplers",e)}getImage(e){return this.getObject("images",e)}getBufferView(e){return this.getObject("bufferViews",e)}getBuffer(e){return this.getObject("buffers",e)}getObject(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}getTypedArrayForBufferView(e){const t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];CB(i);const s=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,s,e.byteLength)}getTypedArrayForAccessor(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,{ArrayType:s,length:r}=UB(e,t);return new s(i,t.byteOffset+e.byteOffset,r)}getTypedArrayForImageData(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,s=t.byteOffset||0;return new Uint8Array(i,s,t.byteLength)}addApplicationData(e,t){return this.json[e]=t,this}addExtraData(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}addObjectExtension(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}setObjectExtension(e,t,i){(e.extensions||{})[t]=i}removeObjectExtension(e,t){const i=e.extensions||{},s=i[t];return delete i[t],s}addExtension(e,t={}){return CB(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}addRequiredExtension(e,t={}){return CB(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}registerUsedExtension(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((t=>t===e))||this.json.extensionsUsed.push(e)}registerRequiredExtension(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((t=>t===e))||this.json.extensionsRequired.push(e)}removeExtension(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}setDefaultScene(e){this.json.scene=e}addScene(e){const{nodeIndices:t}=e;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}addNode(e){const{meshIndex:t,matrix:i}=e;this.json.nodes=this.json.nodes||[];const s={mesh:t};return i&&(s.matrix=i),this.json.nodes.push(s),this.json.nodes.length-1}addMesh(e){const{attributes:t,indices:i,material:s,mode:r=4}=e,o={primitives:[{attributes:this._addAttributes(t),mode:r}]};if(i){const e=this._addIndices(i);o.primitives[0].indices=e}return Number.isFinite(s)&&(o.primitives[0].material=s),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}addPointCloud(e){const t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}addImage(e,t){const i=bB(e),s=t||(null==i?void 0:i.mimeType),r={bufferView:this.addBufferView(e),mimeType:s};return this.json.images=this.json.images||[],this.json.images.push(r),this.json.images.length-1}addBufferView(e){const t=e.byteLength;CB(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);const i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=zv(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}addAccessor(e,t){const i={bufferView:e,type:RB(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}addBinaryBuffer(e,t={size:3}){const i=this.addBufferView(e);let s={min:t.min,max:t.max};s.min&&s.max||(s=this._getAccessorMinMax(e,t.size));const r={size:t.size,componentType:LB(e),count:Math.round(e.length/t.size),min:s.min,max:s.max};return this.addAccessor(i,Object.assign(r,t))}addTexture(e){const{imageIndex:t}=e,i={source:t};return this.json.textures=this.json.textures||[],this.json.textures.push(i),this.json.textures.length-1}addMaterial(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}createBinaryChunk(){var e,t;this.gltf.buffers=[];const i=this.byteLength,s=new ArrayBuffer(i),r=new Uint8Array(s);let o=0;for(const e of this.sourceBuffers||[])o=Kv(e,r,o);null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=i:this.json.buffers=[{byteLength:i}],this.gltf.binary=s,this.sourceBuffers=[s]}_removeStringFromArray(e,t){let i=!0;for(;i;){const s=e.indexOf(t);s>-1?e.splice(s,1):i=!1}}_addAttributes(e={}){const t={};for(const i in e){const s=e[i],r=this._getGltfAttributeName(i),o=this.addBinaryBuffer(s.value,s);t[r]=o}return t}_addIndices(e){return this.addBinaryBuffer(e,{size:1})}_getGltfAttributeName(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}_getAccessorMinMax(e,t){const i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];const s=e.subarray(0,t);for(const e of s)i.min.push(e),i.max.push(e);for(let s=t;s<e.length;s+=t)for(let r=0;r<t;r++)i.min[0+r]=Math.min(i.min[0+r],e[s+r]),i.max[0+r]=Math.max(i.max[0+r],e[s+r]);return i}}const NB="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",QB="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ox{static isNull(e){return e&&e.typeId===tx.Null}static isInt(e){return e&&e.typeId===tx.Int}static isFloat(e){return e&&e.typeId===tx.Float}static isBinary(e){return e&&e.typeId===tx.Binary}static isUtf8(e){return e&&e.typeId===tx.Utf8}static isBool(e){return e&&e.typeId===tx.Bool}static isDecimal(e){return e&&e.typeId===tx.Decimal}static isDate(e){return e&&e.typeId===tx.Date}static isTime(e){return e&&e.typeId===tx.Time}static isTimestamp(e){return e&&e.typeId===tx.Timestamp}static isInterval(e){return e&&e.typeId===tx.Interval}static isList(e){return e&&e.typeId===tx.List}static isStruct(e){return e&&e.typeId===tx.Struct}static isUnion(e){return e&&e.typeId===tx.Union}static isFixedSizeBinary(e){return e&&e.typeId===tx.FixedSizeBinary}static isFixedSizeList(e){return e&&e.typeId===tx.FixedSizeList}static isMap(e){return e&&e.typeId===tx.Map}static isDictionary(e){return e&&e.typeId===tx.Dictionary}get typeId(){return tx.NONE}compareTo(e){return this===e}}ix=Symbol.toStringTag;class nx extends ox{constructor(e,t){super(),Bv(this,"isSigned",void 0),Bv(this,"bitWidth",void 0),this.isSigned=e,this.bitWidth=t}get typeId(){return tx.Int}get[ix](){return"Int"}toString(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}class ax extends nx{constructor(){super(!0,8)}}class lx extends nx{constructor(){super(!0,16)}}class Ax extends nx{constructor(){super(!0,32)}}class hx extends nx{constructor(){super(!1,8)}}class cx extends nx{constructor(){super(!1,16)}}class ux extends nx{constructor(){super(!1,32)}}const dx=32,px=64;sx=Symbol.toStringTag;class fx extends ox{constructor(e){super(),Bv(this,"precision",void 0),this.precision=e}get typeId(){return tx.Float}get[sx](){return"Float"}toString(){return"Float".concat(this.precision)}}class gx extends fx{constructor(){super(dx)}}class mx extends fx{constructor(){super(px)}}rx=Symbol.toStringTag;class _x extends ox{constructor(e,t){super(),Bv(this,"listSize",void 0),Bv(this,"children",void 0),this.listSize=e,this.children=[t]}get typeId(){return tx.FixedSizeList}get valueType(){return this.children[0].type}get valueField(){return this.children[0]}get[rx](){return"FixedSizeList"}toString(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}function vx(e,t,i){const s=function(e){switch(e.constructor){case Int8Array:return new ax;case Uint8Array:return new hx;case Int16Array:return new lx;case Uint16Array:return new cx;case Int32Array:return new Ax;case Uint32Array:return new ux;case Float32Array:return new gx;case Float64Array:return new mx;default:throw new Error("array type not supported")}}(t.value),r=i||function(e){const t=new Map;"byteOffset"in e&&t.set("byteOffset",e.byteOffset.toString(10));"byteStride"in e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new ex(e,new _x(t.size,new ex("value",s)),!1,r)}function bx(e,t,i){return vx(e,t,i?yx(i.metadata):void 0)}function yx(e){const t=new Map;for(const i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}const Bx={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},xx={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};class Px{constructor(e){Bv(this,"draco",void 0),Bv(this,"decoder",void 0),Bv(this,"metadataQuerier",void 0),this.draco=e,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(e,t={}){const i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);const s=this.decoder.GetEncodedGeometryType(i),r=s===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let e;switch(s){case this.draco.TRIANGULAR_MESH:e=this.decoder.DecodeBufferToMesh(i,r);break;case this.draco.POINT_CLOUD:e=this.decoder.DecodeBufferToPointCloud(i,r);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!e.ok()||!r.ptr){const t="DRACO decompression failed: ".concat(e.error_msg());throw new Error(t)}const o=this._getDracoLoaderData(r,s,t),n=this._getMeshData(r,o,t),a=function(e){let t=1/0,i=1/0,s=1/0,r=-1/0,o=-1/0,n=-1/0;const a=e.POSITION?e.POSITION.value:[],l=a&&a.length;for(let e=0;e<l;e+=3){const l=a[e],A=a[e+1],h=a[e+2];t=l<t?l:t,i=A<i?A:i,s=h<s?h:s,r=l>r?l:r,o=A>o?A:o,n=h>n?h:n}return[[t,i,s],[r,o,n]]}(n.attributes),l=function(e,t,i){const s=yx(t.metadata),r=[],o=function(e){const t={};for(const i in e){const s=e[i];t[s.name||"undefined"]=s}return t}(t.attributes);for(const t in e){const i=bx(t,e[t],o[t]);r.push(i)}if(i){const e=bx("indices",i);r.push(e)}return new qB(r,s)}(n.attributes,o,n.indices);return{loader:"draco",loaderData:o,header:{vertexCount:r.num_points(),boundingBox:a},...n,schema:l}}finally{this.draco.destroy(i),r&&this.draco.destroy(r)}}_getDracoLoaderData(e,t,i){const s=this._getTopLevelMetadata(e),r=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:s,attributes:r}}_getDracoAttributes(e,t){const i={};for(let s=0;s<e.num_attributes();s++){const r=this.decoder.GetAttribute(e,s),o=this._getAttributeMetadata(e,s);i[r.unique_id()]={unique_id:r.unique_id(),attribute_type:r.attribute_type(),data_type:r.data_type(),num_components:r.num_components(),byte_offset:r.byte_offset(),byte_stride:r.byte_stride(),normalized:r.normalized(),attribute_index:s,metadata:o};const n=this._getQuantizationTransform(r,t);n&&(i[r.unique_id()].quantization_transform=n);const a=this._getOctahedronTransform(r,t);a&&(i[r.unique_id()].octahedron_transform=a)}return i}_getMeshData(e,t,i){const s=this._getMeshAttributes(t,e,i);if(!s.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:s,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:s,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:s}}_getMeshAttributes(e,t,i){const s={};for(const r of Object.values(e.attributes)){const e=this._deduceAttributeName(r,i);r.name=e;const{value:o,size:n}=this._getAttributeValues(t,r);s[e]={value:o,size:n,byteOffset:r.byte_offset,byteStride:r.byte_stride,normalized:r.normalized}}return s}_getTriangleListIndices(e){const t=3*e.num_faces(),i=4*t,s=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,s),new Uint32Array(this.draco.HEAPF32.buffer,s,t).slice()}finally{this.draco._free(s)}}_getTriangleStripIndices(e){const t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(t)}finally{this.draco.destroy(t)}}_getAttributeValues(e,t){const i=xx[t.data_type],s=t.num_components,r=e.num_points()*s,o=r*i.BYTES_PER_ELEMENT,n=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,i);let a;const l=this.draco._malloc(o);try{const s=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,s,n,o,l),a=new i(this.draco.HEAPF32.buffer,l,r).slice()}finally{this.draco._free(l)}return{value:a,size:s}}_deduceAttributeName(e,t){const i=e.unique_id;for(const[e,s]of Object.entries(t.extraAttributes||{}))if(s===i)return e;const s=e.attribute_type;for(const e in Bx){if(this.draco[e]===s)return Bx[e]}const r=t.attributeNameEntry||"name";return e.metadata[r]?e.metadata[r].string:"CUSTOM_ATTRIBUTE_".concat(i)}_getTopLevelMetadata(e){const t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}_getAttributeMetadata(e,t){const i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}_getDracoMetadata(e){if(!e||!e.ptr)return{};const t={},i=this.metadataQuerier.NumEntries(e);for(let s=0;s<i;s++){const i=this.metadataQuerier.GetEntryName(e,s);t[i]=this._getDracoMetadataField(e,i)}return t}_getDracoMetadataField(e,t){const i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);const s=function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:s}}finally{this.draco.destroy(i)}}_disableAttributeTransforms(e){const{quantizedAttributes:t=[],octahedronAttributes:i=[]}=e,s=[...t,...i];for(const e of s)this.decoder.SkipAttributeTransform(this.draco[e])}_getQuantizationTransform(e,t){const{quantizedAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits(),range:t.range(),min_values:new Float32Array([1,2,3]).map((e=>t.min_value(e)))}}finally{this.draco.destroy(t)}}return null}_getOctahedronTransform(e,t){const{octahedronAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits()}}finally{this.draco.destroy(t)}}return null}}const wx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),Cx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),Mx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");let Ex;async function Fx(e){const t=e.modules||{};return Ex=t.draco3d?Ex||t.draco3d.createDecoderModule({}).then((e=>({draco:e}))):Ex||async function(e){let t,i;if("js"===(e.draco&&e.draco.decoderType))t=await Ov(wx,"draco",e);else[t,i]=await Promise.all([await Ov(Cx,"draco",e),await Ov(Mx,"draco",e)]);return t=t||globalThis.DracoDecoderModule,await function(e,t){const i={};t&&(i.wasmBinary=t);return new Promise((t=>{e({...i,onModuleLoaded:e=>t({draco:e})})}))}(t,i)}(e),await Ex}const Ix={...ZB,parse:async function(e,t){const{draco:i}=await Fx(t),s=new Px(i);try{return s.parseSync(e,null==t?void 0:t.draco)}finally{s.destroy()}}};function Dx(e){const{buffer:t,size:i,count:s}=function(e){let t=e,i=1,s=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t,i=!1){if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),s=t.length/i);return{buffer:t,size:i,count:s}}(e);return{value:t,size:i,byteOffset:0,count:s,type:RB(i),componentType:LB(t)}}async function Sx(e,t,i,s){const r=e.getObjectExtension(t,"KHR_draco_mesh_compression");if(!r)return;const o=e.getTypedArrayForBufferView(r.bufferView),n=Gv(o.buffer,o.byteOffset),{parse:a}=s,l={...i};delete l["3d-tiles"];const A=await a(n,Ix,l,s),h=function(e){const t={};for(const i in e){const s=e[i];if("indices"!==i){const e=Dx(s);t[i]=e}}return t}(A.attributes);for(const[i,s]of Object.entries(h))if(i in t.attributes){const r=t.attributes[i],o=e.getAccessor(r);null!=o&&o.min&&null!=o&&o.max&&(s.min=o.min,s.max=o.max)}t.attributes=h,A.indices&&(t.indices=Dx(A.indices)),function(e){if(!e.attributes&&Object.keys(e.attributes).length>0)throw new Error("glTF: Empty primitive detected: Draco decompression failure?")}(t)}function Tx(e,t,i=4,s,r){var o;if(!s.DracoWriter)throw new Error("options.gltf.DracoWriter not provided");const n=s.DracoWriter.encodeSync({attributes:e}),a=null==r||null===(o=r.parseSync)||void 0===o?void 0:o.call(r,{attributes:e}),l=s._addFauxAttributes(a.attributes);return{primitives:[{attributes:l,mode:i,extensions:{KHR_draco_mesh_compression:{bufferView:s.addBufferView(n),attributes:l}}}]}}function*Rx(e){for(const t of e.json.meshes||[])for(const e of t.primitives)yield e}var Lx=Object.freeze({__proto__:null,name:"KHR_draco_mesh_compression",preprocess:function(e,t,i){const s=new kB(e);for(const e of Rx(s))s.getObjectExtension(e,"KHR_draco_mesh_compression")},decode:async function(e,t,i){var s;if(null==t||null===(s=t.gltf)||void 0===s||!s.decompressMeshes)return;const r=new kB(e),o=[];for(const e of Rx(r))r.getObjectExtension(e,"KHR_draco_mesh_compression")&&o.push(Sx(r,e,t,i));await Promise.all(o),r.removeExtension("KHR_draco_mesh_compression")},encode:function(e,t={}){const i=new kB(e);for(const e of i.json.meshes||[])Tx(e),i.addRequiredExtension("KHR_draco_mesh_compression")}});var Ux=Object.freeze({__proto__:null,name:"KHR_lights_punctual",decode:async function(e){const t=new kB(e),{json:i}=t,s=t.getExtension("KHR_lights_punctual");s&&(t.json.lights=s.lights,t.removeExtension("KHR_lights_punctual"));for(const e of i.nodes||[]){const i=t.getObjectExtension(e,"KHR_lights_punctual");i&&(e.light=i.light),t.removeObjectExtension(e,"KHR_lights_punctual")}},encode:async function(e){const t=new kB(e),{json:i}=t;if(i.lights){const e=t.addExtension("KHR_lights_punctual");CB(!e.lights),e.lights=i.lights,delete i.lights}if(t.json.lights){for(const e of t.json.lights){const i=e.node;t.addObjectExtension(i,"KHR_lights_punctual",e)}delete t.json.lights}}});function Ox(e,t){const i=Object.assign({},e.values);return Object.keys(e.uniforms||{}).forEach((t=>{e.uniforms[t].value&&!(t in i)&&(i[t]=e.uniforms[t].value)})),Object.keys(i).forEach((e=>{"object"==typeof i[e]&&void 0!==i[e].index&&(i[e].texture=t.getTexture(i[e].index))})),i}const kx=[XB,JB,YB,Lx,Ux,Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:async function(e){const t=new kB(e),{json:i}=t;t.removeExtension("KHR_materials_unlit");for(const e of i.materials||[]){e.extensions&&e.extensions.KHR_materials_unlit&&(e.unlit=!0),t.removeObjectExtension(e,"KHR_materials_unlit")}},encode:function(e){const t=new kB(e),{json:i}=t;if(t.materials)for(const e of i.materials||[])e.unlit&&(delete e.unlit,t.addObjectExtension(e,"KHR_materials_unlit",{}),t.addExtension("KHR_materials_unlit"))}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:async function(e){const t=new kB(e),{json:i}=t,s=t.getExtension("KHR_techniques_webgl");if(s){const e=function(e,t){const{programs:i=[],shaders:s=[],techniques:r=[]}=e,o=new TextDecoder;return s.forEach((e=>{if(!Number.isFinite(e.bufferView))throw new Error("KHR_techniques_webgl: no shader code");e.code=o.decode(t.getTypedArrayForBufferView(e.bufferView))})),i.forEach((e=>{e.fragmentShader=s[e.fragmentShader],e.vertexShader=s[e.vertexShader]})),r.forEach((e=>{e.program=i[e.program]})),r}(s,t);for(const s of i.materials||[]){const i=t.getObjectExtension(s,"KHR_techniques_webgl");i&&(s.technique=Object.assign({},i,e[i.technique]),s.technique.values=Ox(s.technique,t)),t.removeObjectExtension(s,"KHR_techniques_webgl")}t.removeExtension("KHR_techniques_webgl")}},encode:async function(e,t){}})];function Nx(e,t){var i;const s=(null==t||null===(i=t.gltf)||void 0===i?void 0:i.excludeExtensions)||{};return!(e in s&&!s[e])}const Qx={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},Vx={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"};class Hx{constructor(){Bv(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),Bv(this,"json",void 0)}normalize(e,t){this.json=e.json;const i=e.json;switch(i.asset&&i.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(i.asset.version))}if(!t.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to glTF v2 format. This is experimental and may fail."),this._addAsset(i),this._convertTopLevelObjectsToArrays(i),function(e){const t=new kB(e),{json:i}=t;for(const e of i.images||[]){const i=t.getObjectExtension(e,"KHR_binary_glTF");i&&Object.assign(e,i),t.removeObjectExtension(e,"KHR_binary_glTF")}i.buffers&&i.buffers[0]&&delete i.buffers[0].uri,t.removeExtension("KHR_binary_glTF")}(e),this._convertObjectIdsToArrayIndices(i),this._updateObjects(i),this._updateMaterial(i)}_addAsset(e){e.asset=e.asset||{},e.asset.version="2.0",e.asset.generator=e.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}_convertTopLevelObjectsToArrays(e){for(const t in Qx)this._convertTopLevelObjectToArray(e,t)}_convertTopLevelObjectToArray(e,t){const i=e[t];if(i&&!Array.isArray(i)){e[t]=[];for(const s in i){const r=i[s];r.id=r.id||s;const o=e[t].length;e[t].push(r),this.idToIndexMap[t][s]=o}}}_convertObjectIdsToArrayIndices(e){for(const t in Qx)this._convertIdsToIndices(e,t);"scene"in e&&(e.scene=this._convertIdToIndex(e.scene,"scene"));for(const t of e.textures)this._convertTextureIds(t);for(const t of e.meshes)this._convertMeshIds(t);for(const t of e.nodes)this._convertNodeIds(t);for(const t of e.scenes)this._convertSceneIds(t)}_convertTextureIds(e){e.source&&(e.source=this._convertIdToIndex(e.source,"image"))}_convertMeshIds(e){for(const t of e.primitives){const{attributes:e,indices:i,material:s}=t;for(const t in e)e[t]=this._convertIdToIndex(e[t],"accessor");i&&(t.indices=this._convertIdToIndex(i,"accessor")),s&&(t.material=this._convertIdToIndex(s,"material"))}}_convertNodeIds(e){e.children&&(e.children=e.children.map((e=>this._convertIdToIndex(e,"node")))),e.meshes&&(e.meshes=e.meshes.map((e=>this._convertIdToIndex(e,"mesh"))))}_convertSceneIds(e){e.nodes&&(e.nodes=e.nodes.map((e=>this._convertIdToIndex(e,"node"))))}_convertIdsToIndices(e,t){e[t]||(console.warn("gltf v1: json doesn't contain attribute ".concat(t)),e[t]=[]);for(const i of e[t])for(const e in i){const t=i[e],s=this._convertIdToIndex(t,e);i[e]=s}}_convertIdToIndex(e,t){const i=Vx[t];if(i in this.idToIndexMap){const s=this.idToIndexMap[i][e];if(!Number.isFinite(s))throw new Error("gltf v1: failed to resolve ".concat(t," with id ").concat(e));return s}return e}_updateObjects(e){for(const e of this.json.buffers)delete e.type}_updateMaterial(e){for(const s of e.materials){var t,i;s.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};const r=(null===(t=s.values)||void 0===t?void 0:t.tex)||(null===(i=s.values)||void 0===i?void 0:i.texture2d_0),o=e.textures.findIndex((e=>e.id===r));-1!==o&&(s.pbrMetallicRoughness.baseColorTexture={index:o})}}}const jx={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Gx={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},zx=10240,Kx=10241,Wx=10242,Xx=10243,Jx=10497,Yx={magFilter:zx,minFilter:Kx,wrapS:Wx,wrapT:Xx},Zx={[zx]:9729,[Kx]:9986,[Wx]:Jx,[Xx]:Jx};class qx{constructor(){Bv(this,"baseUri",""),Bv(this,"json",{}),Bv(this,"buffers",[]),Bv(this,"images",[])}postProcess(e,t={}){const{json:i,buffers:s=[],images:r=[],baseUri:o=""}=e;return CB(i),this.baseUri=o,this.json=i,this.buffers=s,this.images=r,this._resolveTree(this.json,t),this.json}_resolveTree(e,t={}){e.bufferViews&&(e.bufferViews=e.bufferViews.map(((e,t)=>this._resolveBufferView(e,t)))),e.images&&(e.images=e.images.map(((e,t)=>this._resolveImage(e,t)))),e.samplers&&(e.samplers=e.samplers.map(((e,t)=>this._resolveSampler(e,t)))),e.textures&&(e.textures=e.textures.map(((e,t)=>this._resolveTexture(e,t)))),e.accessors&&(e.accessors=e.accessors.map(((e,t)=>this._resolveAccessor(e,t)))),e.materials&&(e.materials=e.materials.map(((e,t)=>this._resolveMaterial(e,t)))),e.meshes&&(e.meshes=e.meshes.map(((e,t)=>this._resolveMesh(e,t)))),e.nodes&&(e.nodes=e.nodes.map(((e,t)=>this._resolveNode(e,t)))),e.skins&&(e.skins=e.skins.map(((e,t)=>this._resolveSkin(e,t)))),e.scenes&&(e.scenes=e.scenes.map(((e,t)=>this._resolveScene(e,t)))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];return i||console.warn("glTF file error: Could not find ".concat(e,"[").concat(t,"]")),i}_resolveScene(e,t){return e.id=e.id||"scene-".concat(t),e.nodes=(e.nodes||[]).map((e=>this.getNode(e))),e}_resolveNode(e,t){return e.id=e.id||"node-".concat(t),e.children&&(e.children=e.children.map((e=>this.getNode(e)))),void 0!==e.mesh?e.mesh=this.getMesh(e.mesh):void 0!==e.meshes&&e.meshes.length&&(e.mesh=e.meshes.reduce(((e,t)=>{const i=this.getMesh(t);return e.id=i.id,e.primitives=e.primitives.concat(i.primitives),e}),{primitives:[]})),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin)),e}_resolveSkin(e,t){return e.id=e.id||"skin-".concat(t),e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices),e}_resolveMesh(e,t){return e.id=e.id||"mesh-".concat(t),e.primitives&&(e.primitives=e.primitives.map((e=>{const t=(e={...e}).attributes;e.attributes={};for(const i in t)e.attributes[i]=this.getAccessor(t[i]);return void 0!==e.indices&&(e.indices=this.getAccessor(e.indices)),void 0!==e.material&&(e.material=this.getMaterial(e.material)),e}))),e}_resolveMaterial(e,t){if(e.id=e.id||"material-".concat(t),e.normalTexture&&(e.normalTexture={...e.normalTexture},e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlustionTexture={...e.occlustionTexture},e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emmisiveTexture={...e.emmisiveTexture},e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.emissiveFactor||(e.emissiveFactor=e.emmisiveTexture?[1,1,1]:[0,0,0]),e.pbrMetallicRoughness){e.pbrMetallicRoughness={...e.pbrMetallicRoughness};const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture={...t.baseColorTexture},t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture={...t.metallicRoughnessTexture},t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}return e}_resolveAccessor(e,t){var i,s;if(e.id=e.id||"accessor-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(i=e.componentType,Gx[i]),e.components=(s=e.type,jx[s]),e.bytesPerElement=e.bytesPerComponent*e.components,e.bufferView){const t=e.bufferView.buffer,{ArrayType:i,byteLength:s}=UB(e,e.bufferView),r=(e.bufferView.byteOffset||0)+(e.byteOffset||0)+t.byteOffset;let o=t.arrayBuffer.slice(r,r+s);e.bufferView.byteStride&&(o=this._getValueFromInterleavedBuffer(t,r,e.bufferView.byteStride,e.bytesPerElement,e.count)),e.value=new i(o)}return e}_getValueFromInterleavedBuffer(e,t,i,s,r){const o=new Uint8Array(r*s);for(let n=0;n<r;n++){const r=t+n*i;o.set(new Uint8Array(e.arrayBuffer.slice(r,r+s)),n*s)}return o.buffer}_resolveTexture(e,t){return e.id=e.id||"texture-".concat(t),e.sampler="sampler"in e?this.getSampler(e.sampler):Zx,e.source=this.getImage(e.source),e}_resolveSampler(e,t){e.id=e.id||"sampler-".concat(t),e.parameters={};for(const t in e){const i=this._enumSamplerParameter(t);void 0!==i&&(e.parameters[i]=e[t])}return e}_enumSamplerParameter(e){return Yx[e]}_resolveImage(e,t){e.id=e.id||"image-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));const i=this.images[t];return i&&(e.image=i),e}_resolveBufferView(e,t){const i=e.buffer,s={id:"bufferView-".concat(t),...e,buffer:this.buffers[i]},r=this.buffers[i].arrayBuffer;let o=this.buffers[i].byteOffset||0;return"byteOffset"in e&&(o+=e.byteOffset),s.data=new Uint8Array(r,o,e.byteLength),s}_resolveCamera(e,t){return e.id=e.id||"camera-".concat(t),e.perspective,e.orthographic,e}}const $x=1735152710,eP=!0;function tP(e,t,i=0,s={}){const r=new DataView(t),o=function(e,t=0){return"".concat(String.fromCharCode(e.getUint8(t+0))).concat(String.fromCharCode(e.getUint8(t+1))).concat(String.fromCharCode(e.getUint8(t+2))).concat(String.fromCharCode(e.getUint8(t+3)))}(r,i+0),n=r.getUint32(i+4,eP),a=r.getUint32(i+8,eP);switch(Object.assign(e,{header:{byteOffset:i,byteLength:a,hasBinChunk:!1},type:o,version:n,json:{},binChunks:[]}),i+=12,e.version){case 1:return function(e,t,i){uv(e.header.byteLength>20);const s=t.getUint32(i+0,eP),r=t.getUint32(i+4,eP);return i+=8,uv(0===r),iP(e,t,i,s),i+=s,i+=sP(e,t,i,e.header.byteLength)}(e,r,i);case 2:return function(e,t,i,s){return uv(e.header.byteLength>20),function(e,t,i,s){for(;i+8<=e.header.byteLength;){const r=t.getUint32(i+0,eP),o=t.getUint32(i+4,eP);switch(i+=8,o){case 1313821514:iP(e,t,i,r);break;case 5130562:sP(e,t,i,r);break;case 0:s.strict||iP(e,t,i,r);break;case 1:s.strict||sP(e,t,i,r)}i+=zv(r,4)}}(e,t,i,s),i+e.header.byteLength}(e,r,i,{});default:throw new Error("Invalid GLB version ".concat(e.version,". Only supports v1 and v2."))}}function iP(e,t,i,s){const r=new Uint8Array(t.buffer,i,s),o=new TextDecoder("utf8").decode(r);return e.json=JSON.parse(o),zv(s,4)}function sP(e,t,i,s){return e.header.hasBinChunk=!0,e.binChunks.push({byteOffset:i,byteLength:s,arrayBuffer:t.buffer}),zv(s,4)}async function rP(e,t,i=0,s,r){var o,n,a,l;!function(e,t,i,s){s.uri&&(e.baseUri=s.uri);if(t instanceof ArrayBuffer&&!function(e,t=0,i={}){const s=new DataView(e),{magic:r=$x}=i,o=s.getUint32(t,!1);return o===r||o===$x}(t,i,s)){t=(new TextDecoder).decode(t)}if("string"==typeof t)e.json=Vv(t);else if(t instanceof ArrayBuffer){const r={};i=tP(r,t,i,s.glb),CB("glTF"===r.type,"Invalid GLB magic string ".concat(r.type)),e._glb=r,e.json=r.json}else CB(!1,"GLTF: must be ArrayBuffer or string");const r=e.json.buffers||[];if(e.buffers=new Array(r.length).fill(null),e._glb&&e._glb.header.hasBinChunk){const{binChunks:t}=e._glb;e.buffers[0]={arrayBuffer:t[0].arrayBuffer,byteOffset:t[0].byteOffset,byteLength:t[0].byteLength}}const o=e.json.images||[];e.images=new Array(o.length).fill({})}(e,t,i,s),function(e,t={}){(new Hx).normalize(e,t)}(e,{normalize:null==s||null===(o=s.gltf)||void 0===o?void 0:o.normalize}),function(e,t={},i){const s=kx.filter((e=>Nx(e.name,t)));for(const o of s){var r;null===(r=o.preprocess)||void 0===r||r.call(o,e,t,i)}}(e,s,r);const A=[];if(null!=s&&null!==(n=s.gltf)&&void 0!==n&&n.loadBuffers&&e.json.buffers&&await async function(e,t,i){const s=e.json.buffers||[];for(let n=0;n<s.length;++n){const a=s[n];if(a.uri){var r,o;const{fetch:s}=i;CB(s);const l=MB(a.uri,t),A=await(null==i||null===(r=i.fetch)||void 0===r?void 0:r.call(i,l)),h=await(null==A||null===(o=A.arrayBuffer)||void 0===o?void 0:o.call(A));e.buffers[n]={arrayBuffer:h,byteOffset:0,byteLength:h.byteLength},delete a.uri}else null===e.buffers[n]&&(e.buffers[n]={arrayBuffer:new ArrayBuffer(a.byteLength),byteOffset:0,byteLength:a.byteLength})}}(e,s,r),null!=s&&null!==(a=s.gltf)&&void 0!==a&&a.loadImages){const t=async function(e,t,i){const s=function(e){const t=new Set,i=e.json.textures||[];for(const e of i)void 0!==e.source&&t.add(e.source);return Array.from(t).sort()}(e),r=e.json.images||[],o=[];for(const n of s)o.push(oP(e,r[n],n,t,i));return await Promise.all(o)}(e,s,r);A.push(t)}const h=async function(e,t={},i){const s=kx.filter((e=>Nx(e.name,t)));for(const o of s){var r;await(null===(r=o.decode)||void 0===r?void 0:r.call(o,e,t,i))}}(e,s,r);return A.push(h),await Promise.all(A),null!=s&&null!==(l=s.gltf)&&void 0!==l&&l.postProcess?function(e,t){return(new qx).postProcess(e,t)}(e,s):e}async function oP(e,t,i,s,r){const{fetch:o,parse:n}=r;let a;if(t.uri){const e=MB(t.uri,s),i=await o(e);a=await i.arrayBuffer()}if(Number.isFinite(t.bufferView)){const i=function(e,t,i){const s=e.bufferViews[i];CB(s);const r=t[s.buffer];CB(r);const o=(s.byteOffset||0)+r.byteOffset;return new Uint8Array(r.arrayBuffer,o,s.byteLength)}(e.json,e.buffers,t.bufferView);a=Gv(i.buffer,i.byteOffset,i.byteLength)}CB(a,"glTF image has no data");let l=await n(a,[BB,oB],{mimeType:t.mimeType,basis:s.basis||{format:rB()}},r);l&&l[0]&&(l={compressed:!0,mipmaps:!1,width:l[0].width,height:l[0].height,data:l[0]}),e.images=e.images||[],e.images[i]=l}const nP={name:"glTF",id:"gltf",module:"gltf",version:"3.2.6",extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:async function(e,t={},i){(t={...nP.options,...t}).gltf={...nP.options.gltf,...t.gltf};const{byteOffset:s=0}=t;return await rP({},e,s,t,i)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};class aP{constructor(e){}load(e,t,i,s,r,o,n){!function(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++;"glb"===t.split(".").pop()?e.dataSource.getGLB(t,(n=>{s.basePath=lP(t),AP(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)})):e.dataSource.getGLTF(t,(n=>{s.basePath=lP(t),AP(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)}))}(e,t,i,s=s||{},r,(function(){M.scheduleTask((function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1)})),o&&o()}),(function(t){e.error(t),n&&n(t),r.fire("error",t)}))}parse(e,t,i,s,r,o,n){AP(e,"",t,i,s=s||{},r,(function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1),o&&o()}))}}function lP(e){const t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}function AP(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++,wy(i,nP,{baseUri:r.basePath}).then((i=>{const l={src:t,entityId:r.entityId,metaModelJSON:s,autoMetaModel:r.autoMetaModel,globalizeObjectIds:r.globalizeObjectIds,metaObjects:[],loadBuffer:r.loadBuffer,basePath:r.basePath,handlenode:r.handlenode,backfaces:!!r.backfaces,gltfData:i,scene:o.scene,plugin:e,sceneModel:o,numObjects:0,nodes:[],nextId:0,log:t=>{e.log(t)}};!function(e){const t=e.gltfData.textures;if(t)for(let i=0,s=t.length;i<s;i++)hP(e,t[i])}(l),function(e){const t=e.gltfData.materials;if(t)for(let i=0,s=t.length;i<s;i++){const s=t[i];s._textureSetId=cP(e,s),s._attributes=uP(e,s)}}(l),r.autoMetaModel&&l.metaObjects.push({id:o.id,type:"Default",name:o.id}),function(e){const t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");const s=i.nodes;if(!s)return;!function e(t){t.forEach((t=>{const i=t.mesh;i&&(i.instances||=0,i.instances+=1),t.children&&e(t.children)}))}(s);const r=[];let o=null;!function t(i,s,n){i.forEach((i=>{const a=i.name;let l=null!=a&&a||0===s&&"entity-"+e.nextId++;if(l){for(;e.sceneModel.objects[l];)l="entity-"+e.nextId++;r.push(o),o=[]}const A=function(e,t){let i;e.matrix&&(i=e.matrix,t=t?c.mulMat4(t,i,c.mat4()):i);e.translation&&(i=c.translationMat4v(e.translation),t=t?c.mulMat4(t,i,c.mat4()):i);e.rotation&&(i=c.quaternionToMat4(e.rotation),t=t?c.mulMat4(t,i,c.mat4()):i);e.scale&&(i=c.scalingMat4v(e.scale),t=t?c.mulMat4(t,i,c.mat4()):i);return t}(i,n);if(i.mesh&&function(e,t,i,s){const r=e.mesh;if(!r)return;const o=r.primitives.length;if(o>0)for(let e=0;e<o;e++){const o=r.primitives[e];if(o.mode<4)continue;const n={id:t.sceneModel.id+"."+t.numObjects++},a=o.material;a?(n.textureSetId=a._textureSetId,n.color=a._attributes.color,n.opacity=a._attributes.opacity,n.metallic=a._attributes.metallic,n.roughness=a._attributes.roughness):(n.color=new Float32Array([1,1,1]),n.opacity=1);const l=!1!==t.backfaces||a&&!1!==a.doubleSided;switch(o.mode){case 0:n.primitive="points";break;case 1:case 2:case 3:n.primitive="lines";break;default:n.primitive=l?"triangles":"solid"}const A=o.attributes.POSITION;if(!A)continue;n.localPositions=A.value,n.positions=new Float64Array(n.localPositions.length),o.attributes.NORMAL&&(n.normals=o.attributes.NORMAL.value),o.attributes.TEXCOORD_0&&(n.uv=o.attributes.TEXCOORD_0.value),o.indices&&(n.indices=o.indices.value),i?c.transformPositions3(i,n.localPositions,n.positions):n.positions.set(n.localPositions);const h=c.vec3();Z(n.positions,n.positions,h)&&(n.origin=h),t.sceneModel.createMesh(n),s.push(n.id)}}(i,e,A,o),i.children&&t(i.children,s+1,A),l){if(o.length>0){const t=e.globalizeObjectIds?c.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:t,meshIds:o,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:t,type:"Default",name:t,parent:e.sceneModel.id})}o=r.pop()}}))}(s,0,null)}(l),o.finalize(),r.autoMetaModel&&e.viewer.metaScene.createMetaModel(o.id,{metaObjects:l.metaObjects}),a.processes--,n()}))}function hP(e,t){if(!t.source||!t.source.image)return;const i="texture-"+e.nextId++;let s=1005;switch(t.sampler.minFilter){case 9728:s=1003;break;case 9729:s=1006;break;case 9984:s=1004;break;case 9985:s=1007;break;case 9986:s=1005;break;case 9987:s=1008}let r=1006;switch(t.sampler.magFilter){case 9728:r=1003;break;case 9729:r=1006}let o=1e3;switch(t.sampler.wrapS){case 33071:o=1001;break;case 33648:o=1002;break;case 10497:o=1e3}let n=1e3;switch(t.sampler.wrapT){case 33071:n=1001;break;case 33648:n=1002;break;case 10497:n=1e3}let a=1e3;switch(t.sampler.wrapR){case 33071:a=1001;break;case 33648:a=1002;break;case 10497:a=1e3}e.sceneModel.createTexture({id:i,image:t.source.image,flipY:!!t.flipY,minFilter:s,magFilter:r,wrapS:o,wrapT:n,wrapR:a,encoding:3001}),t._textureId=i}function cP(e,t){const i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":const e=t.alphaCutoff;i.alphaCutoff=void 0!==e?e:.5}const s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){const r=t.pbrMetallicRoughness,o=r.baseColorTexture||r.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}const r=t.extensions;if(r){const t=r.KHR_materials_pbrSpecularGlossiness;if(t){t.specularTexture;const 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t={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},i={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},s={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"};return function(r){const o=f?i:t,n=o?o[r]:null;return n?e.localeService.translate(n)||s[n]||n:r}}();this.setZUp=function(){f=!0,d=h,this.clear()},this.setYUp=function(){f=!1,d=u,this.clear()},this.clear=function(){p.fillStyle=s,p.fillRect(0,0,a,n);for(var e=0,t=d.length;e<t;e++){d[e].highlighted=!1}g()},this.getArea=function(e){const t=e[0]*a,i=n-e[1]*n;for(var s=0,r=d.length;s<r;s++){const e=d[s].boundaries;for(var o=0,A=e.length;o<A;o++){const 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r=bP(e,t,null);i&&BP(e,i,s),xP(e,r),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}var vP=function(e,t,i){PP(t,(function(s){var r=bP(e,s,t);i(r)}),(function(t){e.error(t)}))},bP=function(){const e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib 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r=e.normals,o=e.object.geometry.normals;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function A(e,t,i,s){var r=e.uv,o=e.object.geometry.uv;o.push(r[t+0]),o.push(r[t+1]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[s+0]),o.push(r[s+1])}function h(e,t){var i=e.uv,s=e.object.geometry.uv;s.push(i[t+0]),s.push(i[t+1])}function c(e,t,i,a,h,c,u,d,p,f,g,m,_){var v,b=e.positions.length,y=s(t,b),B=s(i,b),x=s(a,b);if(void 0===h?n(e,y,B,x):(n(e,y,B,v=s(h,b)),n(e,B,x,v)),void 0!==c){var P=e.uv.length;y=o(c,P),B=o(u,P),x=o(d,P),void 0===h?A(e,y,B,x):(A(e,y,B,v=o(p,P)),A(e,B,x,v))}if(void 0!==f){var w=e.normals.length;y=r(f,w),B=f===g?y:r(g,w),x=f===m?y:r(m,w),void 0===h?l(e,y,B,x):(l(e,y,B,v=r(_,w)),l(e,B,x,v))}}function u(e,t,i){e.object.geometry.type="Line";for(var r=e.positions.length,n=e.uv.length,l=0,A=t.length;l<A;l++)a(e,s(t[l],r));for(var c=0,u=i.length;c<u;c++)h(e,o(i[c],n))}}();var yP=function(e,t,i,s){PP(i,(function(i){BP(e,i,t),s()}),(function(t){e.error(t),s()}))},BP=function(){var e=/\s+/;return function(e,r,o){var n,a,l,A,h,c=r.split("\n"),u={id:"Default"},d=!1;o=o||"";for(var p=0;p<c.length;p++)if(0!==(n=c[p].trim()).length&&"#"!==n.charAt(0))switch(l=(l=(a=n.indexOf(" "))>=0?n.substring(0,a):n).toLowerCase(),A=(A=a>=0?n.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,u),u={id:A},d=!0;break;case"ka":u.ambient=s(A);break;case"kd":u.diffuse=s(A);break;case"ks":u.specular=s(A);break;case"map_kd":u.diffuseMap||(u.diffuseMap=t(e,o,A,"sRGB"));break;case"map_ks":u.specularMap||(u.specularMap=t(e,o,A,"linear"));break;case"map_bump":case"bump":u.normalMap||(u.normalMap=t(e,o,A));break;case"ns":u.shininess=parseFloat(A);break;case"d":(h=parseFloat(A))<1&&(u.alpha=h,u.alphaMode="blend");break;case"tr":(h=parseFloat(A))>0&&(u.alpha=1-h,u.alphaMode="blend")}d&&i(e,u)};function t(e,t,i,s){var r={},o=i.split(/\s+/),n=o.indexOf("-bm");return n>=0&&o.splice(n,2),(n=o.indexOf("-s"))>=0&&(r.scale=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),(n=o.indexOf("-o"))>=0&&(r.translate=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),r.src=t+o.join(" ").trim(),r.flipY=!0,r.encoding=s||"linear",new qs(e,r).id}function i(e,t){new fi(e,t)}function s(t){var i=t.split(e,3);return[parseFloat(i[0]),parseFloat(i[1]),parseFloat(i[2])]}}();function xP(e,t){for(var i=0,s=t.objects.length;i<s;i++){var r=t.objects[i],o=r.geometry;if(o.type,0===o.positions.length)continue;var n={primitive:"triangles",compressGeometry:!1};n.positions=o.positions,o.normals.length>0&&(n.normals=o.normals),o.uv.length>0&&(n.uv=o.uv);for(var a=new Array(n.positions.length/3),l=0;l<a.length;l++)a[l]=l;n.indices=a;const s=mP;Z(o.positions,o.positions,s);var A,h=new hi(e,n),c=r.material.id;c&&""!==c?(A=e.scene.components[c])||e.error("Material not found: "+c):A=new fi(e,{diffuse:[.6,.6,.6],backfaces:!0});var u=new bs(e,{id:e.id+"#"+r.id,origin:0!==s[0]||0!==s[1]||0!==s[2]?s:null,isObject:!0,geometry:h,material:A,pickable:!0});e.addChild(u)}}function PP(e,t,i){var s=new XMLHttpRequest;s.open("GET",e,!0),s.addEventListener("load",(function(e){var s=e.target.response;200===this.status?t&&t(s):0===this.status?(console.warn("loadFile: HTTP Status 0 received."),t&&t(s)):i&&i(e)}),!1),s.addEventListener("error",(function(e){i&&i(e)}),!1),s.send(null)}const wP=new Float64Array([0,0,1]),CP=new Float64Array(4);class MP{constructor(e){this.id=null;const t=e.viewer,i=t.camera,s=t.cameraControl,r=t.scene,o=r.canvas.canvas;this._visible=!1;let n=!1;const a=!1,l=.09,A=.01,h=new Us(r,{position:[0,0,0],scale:[5,5,5],isObject:!1}),u=c.vec3(),d=function(){const e=c.vec3(),t=c.vec3();return function(i){u.set(i),Y(i,e,t),h.origin=e,h.position=t}}(),p=(e,t)=>new hi(h,Bs({radiusTop:.001,radiusBottom:e,radialSegments:32,heightSegments:1,height:t,openEnded:!1})),f=(e,t,i)=>new hi(h,Bs({radiusTop:e,radiusBottom:e,radialSegments:i,heightSegments:1,height:t,openEnded:!1})),g=(e,t,i)=>new hi(h,nr({radius:.8,tube:e,radialSegments:64,tubeSegments:i,arc:2*Math.PI*t})),m={curve:g(A,.25,14),curveHandle:g(l,.25,14),hoop:g(A,1,8),arrowHead:p(.07,.2),arrowHeadBig:p(.09,.25),arrowHeadHandle:f(l,.37,8),axis:f(A,1,20),axisHandle:f(l,1,20)},_=(e,t)=>new mi(h,{edges:!1,fill:!0,fillColor:e,fillAlpha:t}),v=new fi(h,{diffuse:[1,1,0],alpha:0,alphaMode:"blend"}),b={},y=(e,t,s)=>{const l=(e=>new fi(h,{diffuse:e,emissive:e,ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}))(e),A=c.rotationMat4v(270*c.DEGTORAD,[1,0,0],c.identityMat4()),p=c.quaternionToRotationMat4(c.vec3PairToQuaternion([0,1,0],s),c.identityMat4()),f=c.mulMat4(p,A,c.identityMat4()),g=c.scaleMat4v([.6,.6,.6],c.identityMat4()),y=(e,t)=>{const i=c.translateMat4v(e,c.identityMat4()),s=c.identityMat4();return c.mulMat4(i,t,s),c.mulMat4(f,s,s),c.mulMat4(s,g,c.identityMat4())},B=h.addChild(new bs(h,{geometry:m.curve,material:l,matrix:f,pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),a),x=h.addChild(new bs(h,{geometry:m.curveHandle,material:v,matrix:f,pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),a),P=h.addChild(new bs(h,{geometry:m.arrowHead,material:l,matrix:y([.8,.07,0],c.rotationMat4v(180*c.DEGTORAD,[0,0,1],c.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),w=h.addChild(new bs(h,{geometry:m.arrowHead,material:l,matrix:y([.07,.8,0],c.rotationMat4v(90*c.DEGTORAD,[0,0,1],c.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),C=h.addChild(new bs(h,{geometry:m.hoop,material:l,highlighted:!0,highlightMaterial:_(e,.6),matrix:f,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),M=c.quaternionToRotationMat4(c.vec3PairToQuaternion([0,1,0],t),c.identityMat4()),E=e=>c.mulMat4(M,c.translateMat4c(0,e,0,c.identityMat4()),c.identityMat4()),F=E(1.1),I=E(.5),D=h.addChild(new bs(h,{geometry:m.arrowHead,material:l,matrix:F,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),S=h.addChild(new bs(h,{geometry:m.arrowHeadHandle,material:v,matrix:F,pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),T=h.addChild(new bs(h,{geometry:m.axis,material:l,matrix:I,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),R=h.addChild(new bs(h,{geometry:m.axisHandle,material:v,matrix:I,pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),L=h.addChild(new bs(h,{geometry:m.arrowHeadBig,material:l,matrix:F,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),U=(e,t)=>c.vec3ApplyQuaternion(h.quaternion,e,t),O=function(){const t=c.vec3(),i=c.vec3(),s=c.vec3();return(n,a)=>{U(e,t);const l=u,A=t;c.canvasPosToWorldRay(o,r.camera.viewMatrix,r.camera.projMatrix,r.camera.projection,n,i,s);const h=c.dotVec3(A,s),d=c.subVec3(i,l,a),p=c.dotVec3(d,A),f=c.dotVec3(d,s),g=1-h*h;if(Math.abs(g)>1e-10){const e=(p-h*f)/g;return c.addVec3(l,c.mulVec3Scalar(A,e,a),a),!0}return!1}}(),k=c.vec3(),N=c.vec3();return b[S.id]=b[R.id]={setActivated:e=>L.visible=e,initDragAction:e=>O(e,k)&&c.subVec3(k,u,k)&&(e=>{O(e,N)&&(c.subVec3(N,k,N),d(N),this._sectionPlane&&(this._sectionPlane.pos=N))})},b[x.id]={setActivated:e=>C.visible=e,initDragAction:t=>{const s=function(){const t=i.projectWorldPos(u);U(e,N),c.transformVec3(i.normalMatrix,N,N);const s=Math.sign(N[2]);return e=>{const i=e[0]-t[0],r=e[1]-t[1];return s*Math.atan2(-r,i)}}();let r=s(t);return t=>{const i=s(t);h.rotate(e,180*(i-r)/Math.PI),this._sectionPlane&&(n=!0,this._sectionPlane.dir=c.vec3ApplyQuaternion(h.quaternion,[0,0,1],N)),r=i}}},{set visible(e){D.visible=S.visible=T.visible=R.visible=B.visible=x.visible=P.visible=w.visible=e,e||(L.visible=e,C.visible=e)},set culled(e){D.culled=S.culled=T.culled=R.culled=B.culled=x.culled=P.culled=w.culled=e,e||(L.culled=e,C.culled=e)}}};this._displayMeshes=[h.addChild(new bs(h,{geometry:new hi(h,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new fi(h,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new mi(h,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),a),h.addChild(new bs(h,{geometry:new hi(h,nr({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new fi(h,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new mi(h,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),a),h.addChild(new bs(h,{geometry:new hi(h,xs({radius:.05})),material:new fi(h,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),y([1,0,0],[1,0,0],[1,0,0]),y([0,1,0],[0,-1,0],[0,1,0]),y([0,0,1],[0,0,-1],[0,0,-1])];const B=[];{let e=-1;const t=e=>h.scale=[e,e,e],s=r.on("tick",(()=>{const s=Math.abs(c.distVec3(i.eye,u));"perspective"===i.projection?s!==e&&t(.07*s*Math.tan(i.perspective.fov*c.DEGTORAD)):"ortho"===i.projection&&t(i.ortho.scale/10),e=s}));B.push((()=>r.off(s)))}{let e=null,i=null;B.push((()=>{i&&i.cleanup()}));const r=c.vec2(),n=(e,t)=>{t[0]=e.clientX,t[1]=e.clientY,Ce(o.ownerDocument.documentElement,o,t)},a=e=>{n(e,r);const i=t.scene.pick({canvasPos:r}),s=i&&i.entity,o=s&&s.id;return o in b&&b[o]},l=(e,t)=>{const o=a(t(e));if(o){i&&i.cleanup();const e=o.initDragAction(r);e&&(s.pointerEnabled=!1,o.setActivated(!0),i={onChange:i=>{const s=t(i);s&&(n(s,r),e(r))},cleanup:function(){i=null,s.pointerEnabled=!0,o.setActivated(!1)}})}},A=(e,t)=>{o.addEventListener(e,t),B.push((()=>o.removeEventListener(e,t)))};A("mousedown",(e=>{e.preventDefault(),1===e.which&&l(e,(e=>1===e.which&&e))})),A("mousemove",(t=>{if(i)i.onChange(t);else{e&&e();const i=a(t);i?(i.setActivated(!0),e=()=>i.setActivated(!1)):e=null}})),A("mouseup",(e=>{i&&(i.onChange(e),i.cleanup())})),A("touchstart",(e=>{if(e.preventDefault(),1===e.touches.length){const t=e.touches[0].identifier;l(e,(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})),A("touchmove",(e=>{e.preventDefault(),i&&i.onChange(e)})),A("touchend",(e=>{e.preventDefault(),i&&(i.onChange(e),i.cleanup())}))}this._unbindSectionPlane=()=>{},this.__setSectionPlane=e=>{this.id=e.id,this._sectionPlane=e;const t=()=>d(e.pos),i=()=>h.quaternion=c.vec3PairToQuaternion(wP,e.dir,CP);t(),i();const s=e.on("pos",t),r=e.on("dir",(()=>{n?n=!1:i()}));this._unbindSectionPlane=()=>{this.id=null,this._sectionPlane=null,e.off(s),e.off(r),this._unbindSectionPlane=()=>{}}},this.__destroy=()=>{B.forEach((e=>e())),this._unbindSectionPlane(),h.destroy(),this._displayMeshes=[];for(let e in b)delete b[e]}}_destroy(){this.__destroy()}_setSectionPlane(e){this._unbindSectionPlane(),e&&this.__setSectionPlane(e)}get sectionPlane(){return this._sectionPlane}setVisible(e=!0){this._visible!==e&&(this._visible=e,this._displayMeshes.forEach((t=>t.visible=e)))}getVisible(){return this._visible}setCulled(e){this._displayMeshes.forEach((t=>t.culled=e))}}class EP{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new bs(t,{id:i.id,geometry:new hi(t,ci({xSize:.5,ySize:.5,zSize:.001})),material:new fi(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new vi(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new mi(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new mi(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=c.vec3([0,0,0]),t=c.vec3(),i=c.vec3([0,0,1]),s=c.vec4(4),r=c.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];c.subVec3(o,this._sectionPlane.pos,e);const a=-c.dotVec3(n,e);c.normalizeVec3(n),c.mulVec3Scalar(n,a,t);const l=c.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class FP{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new Fi(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Zt(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Zt(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Zt(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=c.rotationMat4c(-90*c.DEGTORAD,1,0,0),i=c.vec3(),s=c.vec3(),r=c.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;c.mulVec3Scalar(c.normalizeVec3(c.subVec3(o,n,i)),7),this._zUp?(c.transformVec3(t,i,s),c.transformVec3(t,a,r),e.look=[0,0,0],e.eye=c.transformVec3(t,i,s),e.up=c.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new EP(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const IP=c.AABB3(),DP=c.vec3();class SP{constructor(e,t,i,s,r,o){this.plugin=e,this.storeyId=r,this.modelId=s,this.storeyAABB=i.slice(),this.aabb=this.storeyAABB,this.modelAABB=t.slice(),this.numObjects=o}}class TP{constructor(e,t,i,s,r,o){this.storeyId=e,this.imageData=t,this.format=i,this.width=s,this.height=r}}const RP=c.vec3(),LP=c.mat4();const UP=new Float64Array([0,0,1]),OP=new Float64Array(4);class kP{constructor(e){this.id=null,this._viewer=e.viewer,this._plugin=e,this._visible=!1,this._pos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._baseDir=c.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}_setSectionPlane(e){this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(()=>{this._setPos(this._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(()=>{this._ignoreNextSectionPlaneDirUpdate?this._ignoreNextSectionPlaneDirUpdate=!1:this._setDir(this._sectionPlane.dir)})))}get sectionPlane(){return this._sectionPlane}_setPos(e){this._pos.set(e),Y(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}_setDir(e){this._baseDir.set(e),this._rootNode.quaternion=c.vec3PairToQuaternion(UP,e,OP)}_setSectionPlaneDir(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}setVisible(e=!0){if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}getVisible(){return this._visible}setCulled(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}_createNodes(){const e=!1,t=this._viewer.scene,i=.01;this._rootNode=new Us(t,{position:[0,0,0],scale:[5,5,5]});const s=this._rootNode,r={arrowHead:new hi(s,Bs({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new hi(s,Bs({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new hi(s,Bs({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},o={red:new fi(s,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new fi(s,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new fi(s,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new mi(s,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:s.addChild(new bs(s,{geometry:new hi(s,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new fi(s,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:s.addChild(new bs(s,{geometry:new hi(s,nr({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new fi(s,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:s.addChild(new bs(s,{geometry:new hi(s,xs({radius:.05})),material:o.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:s.addChild(new bs(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=c.translateMat4c(0,1.1,0,c.identityMat4()),t=c.rotationMat4v(-90*c.DEGTORAD,[.8,0,0],c.identityMat4());return c.mulMat4(t,e,c.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:s.addChild(new bs(s,{geometry:r.axis,material:o.blue,matrix:function(){const e=c.translateMat4c(0,.5,0,c.identityMat4()),t=c.rotationMat4v(-90*c.DEGTORAD,[1,0,0],c.identityMat4());return c.mulMat4(t,e,c.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:s.addChild(new bs(s,{geometry:new hi(s,nr({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new fi(s,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new mi(s,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:s.addChild(new bs(s,{geometry:r.arrowHeadBig,material:o.blue,matrix:function(){const e=c.translateMat4c(0,1.1,0,c.identityMat4()),t=c.rotationMat4v(-90*c.DEGTORAD,[.8,0,0],c.identityMat4());return c.mulMat4(t,e,c.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}_bindEvents(){const e=this._rootNode,t=c.vec2(),i=this._viewer.camera,s=this._viewer.scene;let r=0,o=!1;{const t=c.vec3([0,0,0]);let n=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(()=>{})),this._onCameraProjMatrix=s.camera.on("projMatrix",(()=>{})),this._onSceneTick=s.on("tick",(()=>{o=!1;const l=Math.abs(c.lenVec3(c.subVec3(s.camera.eye,this._pos,t)));if(l!==n&&"perspective"===i.projection){const t=.07*(Math.tan(i.perspective.fov*c.DEGTORAD)*l);e.scale=[t,t,t],n=l}if("ortho"===i.projection){const t=i.ortho.scale/10;e.scale=[t,t,t],n=l}0!==r&&(a(r),r=0)}))}const n=function(){const e=new Float64Array(2);return function(t){if(t){for(var i=t.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-s,e[1]=t.pageY-r}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),a=e=>{const t=this._sectionPlane.pos,i=this._sectionPlane.dir;c.addVec3(t,c.mulVec3Scalar(i,.1*e*this._plugin.getDragSensitivity(),c.vec3())),this._sectionPlane.pos=t};{let e=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=i=>{if(i.preventDefault(),this._visible&&(this._viewer.cameraControl.pointerEnabled=!1,1===i.which)){e=!0;var s=n(i);t[0]=s[0],t[1]=s[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=i=>{if(!this._visible)return;if(!e)return;if(o)return;var s=n(i);const r=s[0],l=s[1];a(l-t[1]),t[0]=r,t[1]=l}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=t=>{this._visible&&(this._viewer.cameraControl.pointerEnabled=!0,e&&(t.which,e=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=e=>{this._visible&&(r+=Math.max(-1,Math.min(1,40*-e.deltaY)))})}{let e,t,i=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=t=>{t.stopPropagation(),t.preventDefault(),this._visible&&(e=t.touches[0].clientY,i=e,r=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=e=>{e.stopPropagation(),e.preventDefault(),this._visible&&(o||(o=!0,t=e.touches[0].clientY,null!==i&&(r+=t-i),i=t))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=i=>{i.stopPropagation(),i.preventDefault(),this._visible&&(e=null,t=null,r=0)})}}_destroy(){this._unbindEvents(),this._destroyNodes()}_unbindEvents(){const e=this._viewer,t=e.scene,i=t.canvas.canvas,s=e.camera,r=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),r.removeEventListener("touchstart",this._handleTouchStart),r.removeEventListener("touchmove",this._handleTouchMove),r.removeEventListener("touchend",this._handleTouchEnd),s.off(this._onCameraViewMatrix),s.off(this._onCameraProjMatrix)}_destroyNodes(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}class NP{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new bs(t,{id:i.id,geometry:new hi(t,ci({xSize:.5,ySize:.5,zSize:.001})),material:new fi(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new vi(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new mi(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new mi(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=c.vec3([0,0,0]),t=c.vec3(),i=c.vec3([0,0,1]),s=c.vec4(4),r=c.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];c.subVec3(o,this._sectionPlane.pos,e);const a=-c.dotVec3(n,e);c.normalizeVec3(n),c.mulVec3Scalar(n,a,t);const l=c.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class QP{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new Fi(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new Zt(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Zt(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Zt(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=c.rotationMat4c(-90*c.DEGTORAD,1,0,0),i=c.vec3(),s=c.vec3(),r=c.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;c.mulVec3Scalar(c.normalizeVec3(c.subVec3(o,n,i)),7),this._zUp?(c.transformVec3(t,i,s),c.transformVec3(t,a,r),e.look=[0,0,0],e.eye=c.transformVec3(t,i,s),e.up=c.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new NP(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const VP=c.AABB3(),HP=c.vec3();class jP{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getSTL(e,t,i){e=this._cacheBusterURL(e);const s=new XMLHttpRequest;s.overrideMimeType("application/json"),s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i(s.statusText))},s.send(null)}}const GP=c.vec3();class zP{load(e,t,i,s,r,o){s=s||{};const n=e.viewer.scene.canvas.spinner;n.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,s){try{const r=ZP(i);KP(r)?WP(e,r,t,s):XP(e,YP(i),t,s)}catch(e){t.fire("error",e)}}(e,t,i,s);try{const o=ZP(i);KP(o)?WP(e,o,t,s):XP(e,YP(i),t,s),n.processes--,M.scheduleTask((function(){t.fire("loaded",!0,!1)})),r&&r()}catch(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}}),(function(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}))}parse(e,t,i,s){const r=e.viewer.scene.canvas.spinner;r.processes++;try{const o=ZP(i);KP(o)?WP(e,o,t,s):XP(e,YP(i),t,s),r.processes--,M.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){r.processes--,t.fire("error",e)}}}function KP(e){const t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;const i=[115,111,108,105,100];for(var s=0;s<5;s++)if(i[s]!==t.getUint8(s,!1))return!0;return!1}function WP(e,t,i,s){const r=new DataView(t),o=r.getUint32(80,!0);let n,a,l,A,h,c,u,d=!1,p=null,f=null,g=null,m=!1;for(let e=0;e<70;e++)1129270351===r.getUint32(e,!1)&&82===r.getUint8(e+4)&&61===r.getUint8(e+5)&&(d=!0,A=[],h=r.getUint8(e+6)/255,c=r.getUint8(e+7)/255,u=r.getUint8(e+8)/255,r.getUint8(e+9));const _=new Qs(i,{roughness:.5});let v=[],b=[],y=s.splitMeshes;for(let e=0;e<o;e++){let t=84+50*e,o=r.getFloat32(t,!0),B=r.getFloat32(t+4,!0),x=r.getFloat32(t+8,!0);if(d){let e=r.getUint16(t+48,!0);0==(32768&e)?(n=(31&e)/31,a=(e>>5&31)/31,l=(e>>10&31)/31):(n=h,a=c,l=u),(y&&n!==p||a!==f||l!==g)&&(null!==p&&(m=!0),p=n,f=a,g=l)}for(let e=1;e<=3;e++){let i=t+12*e;v.push(r.getFloat32(i,!0)),v.push(r.getFloat32(i+4,!0)),v.push(r.getFloat32(i+8,!0)),b.push(o,B,x),d&&A.push(n,a,l,1)}y&&m&&(JP(i,v,b,A,_,s),v=[],b=[],A=A?[]:null,m=!1)}v.length>0&&JP(i,v,b,A,_,s)}function XP(e,t,i,s){const r=/facet([\s\S]*?)endfacet/g;let o=0;const n=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,a=new RegExp("vertex"+n+n+n,"g"),l=new RegExp("normal"+n+n+n,"g"),A=[],h=[];let c,u,d,p,f,g,m;for(;null!==(p=r.exec(t));){for(f=0,g=0,m=p[0];null!==(p=l.exec(m));)c=parseFloat(p[1]),u=parseFloat(p[2]),d=parseFloat(p[3]),g++;for(;null!==(p=a.exec(m));)A.push(parseFloat(p[1]),parseFloat(p[2]),parseFloat(p[3])),h.push(c,u,d),f++;1!==g&&e.error("Error in normal of face "+o),3!==f&&e.error("Error in positions of face "+o),o++}JP(i,A,h,null,new Qs(i,{roughness:.5}),s)}function JP(e,t,i,s,r,o){const n=new Int32Array(t.length/3);for(let e=0,t=n.length;e<t;e++)n[e]=e;i=i&&i.length>0?i:null,s=s&&s.length>0?s:null,o.smoothNormals&&c.faceToVertexNormals(t,i,o);const a=GP;Z(t,t,a);const l=new hi(e,{primitive:"triangles",positions:t,normals:i,colors:s,indices:n}),A=new bs(e,{origin:0!==a[0]||0!==a[1]||0!==a[2]?a:null,geometry:l,material:r,edges:o.edges});e.addChild(A)}function YP(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let i=0,s=e.length;i<s;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function ZP(e){if("string"==typeof e){const t=new Uint8Array(e.length);for(let i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}class qP{createRootNode(){return document.createElement("ul")}createNodeElement(e,t,i,s,r){const o=document.createElement("li");if(o.id=e.nodeId,e.xrayed&&o.classList.add("xrayed-node"),e.children.length>0){const i=document.createElement("a");i.href="#",i.id=`switch-${e.nodeId}`,i.textContent="+",i.classList.add("plus"),t&&i.addEventListener("click",t),o.appendChild(i)}const n=document.createElement("input");n.id=`checkbox-${e.nodeId}`,n.type="checkbox",n.checked=e.checked,n.style["pointer-events"]="all",i&&n.addEventListener("change",i),o.appendChild(n);const a=document.createElement("span");return a.textContent=e.title,o.appendChild(a),s&&j(a,s),r&&(a.onclick=r),o}createDisabledNodeElement(e){const t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);const s=document.createElement("span");return s.textContent=e,t.appendChild(s),t}addChildren(e,t){const i=document.createElement("ul");t.forEach((e=>{i.appendChild(e)})),e.parentElement.appendChild(i)}expand(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}collapse(e,t,i){if(!e)return;const s=e.parentElement;if(!s)return;const r=s.querySelector("ul");r&&(s.removeChild(r),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}isExpanded(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}getId(e){return e.parentElement.id}getIdFromCheckbox(e){return e.id.replace("checkbox-","")}getSwitchElement(e){return 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i,s,r;do{if(s=e.window_size-e.lookahead-e.strstart,e.strstart>=t+(t-Ae)&&(e.window.set(e.window.subarray(t,t+t-s),0),e.match_start-=t,e.strstart-=t,e.block_start-=t,e.insert>e.strstart&&(e.insert=e.strstart),ge(e),s+=t),0===e.strm.avail_in)break;if(i=Be(e.strm,e.window,e.strstart+e.lookahead,s),e.lookahead+=i,e.lookahead+e.insert>=3)for(r=e.strstart-e.insert,e.ins_h=e.window[r],e.ins_h=me(e,e.ins_h,e.window[r+1]);e.insert&&(e.ins_h=me(e,e.ins_h,e.window[r+3-1]),e.prev[r&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=r,r++,e.insert--,!(e.lookahead+e.insert<3)););}while(e.lookahead<Ae&&0!==e.strm.avail_in)},we=(e,t)=>{let i,s,r,o=e.pending_buf_size-5>e.w_size?e.w_size:e.pending_buf_size-5,n=0,a=e.strm.avail_in;do{if(i=65535,r=e.bi_valid+42>>3,e.strm.avail_out<r)break;if(r=e.strm.avail_out-r,s=e.strstart-e.block_start,i>s+e.strm.avail_in&&(i=s+e.strm.avail_in),i>r&&(i=r),i<o&&(0===i&&t!==W||t===G||i!==s+e.strm.avail_in))break;n=t===W&&i===s+e.strm.avail_in?1:0,Q(e,0,0,n),e.pending_buf[e.pending-4]=i,e.pending_buf[e.pending-3]=i>>8,e.pending_buf[e.pending-2]=~i,e.pending_buf[e.pending-1]=~i>>8,_e(e.strm),s&&(s>i&&(s=i),e.strm.output.set(e.window.subarray(e.block_start,e.block_start+s),e.strm.next_out),e.strm.next_out+=s,e.strm.avail_out-=s,e.strm.total_out+=s,e.block_start+=s,i-=s),i&&(Be(e.strm,e.strm.output,e.strm.next_out,i),e.strm.next_out+=i,e.strm.avail_out-=i,e.strm.total_out+=i)}while(0===n);return a-=e.strm.avail_in,a&&(a>=e.w_size?(e.matches=2,e.window.set(e.strm.input.subarray(e.strm.next_in-e.w_size,e.strm.next_in),0),e.strstart=e.w_size,e.insert=e.strstart):(e.window_size-e.strstart<=a&&(e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,e.insert>e.strstart&&(e.insert=e.strstart)),e.window.set(e.strm.input.subarray(e.strm.next_in-a,e.strm.next_in),e.strstart),e.strstart+=a,e.insert+=a>e.w_size-e.insert?e.w_size-e.insert:a),e.block_start=e.strstart),e.high_water<e.strstart&&(e.high_water=e.strstart),n?4:t!==G&&t!==W&&0===e.strm.avail_in&&e.strstart===e.block_start?2:(r=e.window_size-e.strstart,e.strm.avail_in>r&&e.block_start>=e.w_size&&(e.block_start-=e.w_size,e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,r+=e.w_size,e.insert>e.strstart&&(e.insert=e.strstart)),r>e.strm.avail_in&&(r=e.strm.avail_in),r&&(Be(e.strm,e.window,e.strstart,r),e.strstart+=r,e.insert+=r>e.w_size-e.insert?e.w_size-e.insert:r),e.high_water<e.strstart&&(e.high_water=e.strstart),r=e.bi_valid+42>>3,r=e.pending_buf_size-r>65535?65535:e.pending_buf_size-r,o=r>e.w_size?e.w_size:r,s=e.strstart-e.block_start,(s>=o||(s||t===W)&&t!==G&&0===e.strm.avail_in&&s<=r)&&(i=s>r?r:s,n=t===W&&0===e.strm.avail_in&&i===s?1:0,Q(e,e.block_start,i,n),e.block_start+=i,_e(e.strm)),n?3:1)},Ce=(e,t)=>{let i,s;for(;;){if(e.lookahead<Ae){if(Pe(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-Ae&&(e.match_length=xe(e,i)),e.match_length>=3)if(s=H(e,e.strstart-e.match_start,e.match_length-3),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=3){e.match_length--;do{e.strstart++,e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart}while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=me(e,e.ins_h,e.window[e.strstart+1]);else s=H(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(s&&(ve(e,!1),0===e.strm.avail_out))return 1}return e.insert=e.strstart<2?e.strstart:2,t===W?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2},Me=(e,t)=>{let i,s,r;for(;;){if(e.lookahead<Ae){if(Pe(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),e.prev_length=e.match_length,e.prev_match=e.match_start,e.match_length=2,0!==i&&e.prev_length<e.max_lazy_match&&e.strstart-i<=e.w_size-Ae&&(e.match_length=xe(e,i),e.match_length<=5&&(e.strategy===te||3===e.match_length&&e.strstart-e.match_start>4096)&&(e.match_length=2)),e.prev_length>=3&&e.match_length<=e.prev_length){r=e.strstart+e.lookahead-3,s=H(e,e.strstart-1-e.prev_match,e.prev_length-3),e.lookahead-=e.prev_length-1,e.prev_length-=2;do{++e.strstart<=r&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart)}while(0!=--e.prev_length);if(e.match_available=0,e.match_length=2,e.strstart++,s&&(ve(e,!1),0===e.strm.avail_out))return 1}else if(e.match_available){if(s=H(e,0,e.window[e.strstart-1]),s&&ve(e,!1),e.strstart++,e.lookahead--,0===e.strm.avail_out)return 1}else e.match_available=1,e.strstart++,e.lookahead--}return e.match_available&&(s=H(e,0,e.window[e.strstart-1]),e.match_available=0),e.insert=e.strstart<2?e.strstart:2,t===W?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2};function Ee(e,t,i,s,r){this.good_length=e,this.max_lazy=t,this.nice_length=i,this.max_chain=s,this.func=r}const Fe=[new Ee(0,0,0,0,we),new Ee(4,4,8,4,Ce),new Ee(4,5,16,8,Ce),new Ee(4,6,32,32,Ce),new Ee(4,4,16,16,Me),new Ee(8,16,32,32,Me),new Ee(8,16,128,128,Me),new Ee(8,32,128,256,Me),new Ee(32,128,258,1024,Me),new Ee(32,258,258,4096,Me)];function Ie(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=ae,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),fe(this.dyn_ltree),fe(this.dyn_dtree),fe(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),fe(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new 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t===J&&((i=e.state).window_size=2*i.w_size,fe(i.head),i.max_lazy_match=Fe[i.level].max_lazy,i.good_match=Fe[i.level].good_length,i.nice_match=Fe[i.level].nice_length,i.max_chain_length=Fe[i.level].max_chain,i.strstart=0,i.block_start=0,i.lookahead=0,i.insert=0,i.match_length=i.prev_length=2,i.match_available=0,i.ins_h=0),t},Re=(e,t,i,s,r,o)=>{if(!e)return Z;let n=1;if(t===ee&&(t=6),s<0?(n=0,s=-s):s>15&&(n=2,s-=16),r<1||r>9||i!==ae||s<8||s>15||t<0||t>9||o<0||o>re||8===s&&1!==n)return de(e,Z);8===s&&(s=9);const a=new Ie;return e.state=a,a.strm=e,a.status=he,a.wrap=n,a.gzhead=null,a.w_bits=s,a.w_size=1<<a.w_bits,a.w_mask=a.w_size-1,a.hash_bits=r+7,a.hash_size=1<<a.hash_bits,a.hash_mask=a.hash_size-1,a.hash_shift=~~((a.hash_bits+3-1)/3),a.window=new Uint8Array(2*a.w_size),a.head=new Uint16Array(a.hash_size),a.prev=new Uint16Array(a.w_size),a.lit_bufsize=1<<r+6,a.pending_buf_size=4*a.lit_bufsize,a.pending_buf=new Uint8Array(a.pending_buf_size),a.sym_buf=a.lit_bufsize,a.sym_end=3*(a.lit_bufsize-1),a.level=t,a.strategy=o,a.method=i,Te(e)};var Le=Re,Ue=(e,t)=>De(e)||2!==e.state.wrap?Z:(e.state.gzhead=t,J),Oe=(e,t)=>{if(De(e)||t>X||t<0)return e?de(e,Z):Z;const i=e.state;if(!e.output||0!==e.avail_in&&!e.input||i.status===ue&&t!==W)return de(e,0===e.avail_out?$:Z);const s=i.last_flush;if(i.last_flush=t,0!==i.pending){if(_e(e),0===e.avail_out)return i.last_flush=-1,J}else if(0===e.avail_in&&pe(t)<=pe(s)&&t!==W)return de(e,$);if(i.status===ue&&0!==e.avail_in)return de(e,$);if(i.status===he&&0===i.wrap&&(i.status=ce),i.status===he){let t=ae+(i.w_bits-8<<4)<<8,s=-1;if(s=i.strategy>=ie||i.level<2?0:i.level<6?1:6===i.level?2:3,t|=s<<6,0!==i.strstart&&(t|=32),t+=31-t%31,ye(i,t),0!==i.strstart&&(ye(i,e.adler>>>16),ye(i,65535&e.adler)),e.adler=1,i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,J}if(57===i.status)if(e.adler=0,be(i,31),be(i,139),be(i,8),i.gzhead)be(i,(i.gzhead.text?1:0)+(i.gzhead.hcrc?2:0)+(i.gzhead.extra?4:0)+(i.gzhead.name?8:0)+(i.gzhead.comment?16:0)),be(i,255&i.gzhead.time),be(i,i.gzhead.time>>8&255),be(i,i.gzhead.time>>16&255),be(i,i.gzhead.time>>24&255),be(i,9===i.level?2:i.strategy>=ie||i.level<2?4:0),be(i,255&i.gzhead.os),i.gzhead.extra&&i.gzhead.extra.length&&(be(i,255&i.gzhead.extra.length),be(i,i.gzhead.extra.length>>8&255)),i.gzhead.hcrc&&(e.adler=U(e.adler,i.pending_buf,i.pending,0)),i.gzindex=0,i.status=69;else if(be(i,0),be(i,0),be(i,0),be(i,0),be(i,0),be(i,9===i.level?2:i.strategy>=ie||i.level<2?4:0),be(i,3),i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,J;if(69===i.status){if(i.gzhead.extra){let t=i.pending,s=(65535&i.gzhead.extra.length)-i.gzindex;for(;i.pending+s>i.pending_buf_size;){let r=i.pending_buf_size-i.pending;if(i.pending_buf.set(i.gzhead.extra.subarray(i.gzindex,i.gzindex+r),i.pending),i.pending=i.pending_buf_size,i.gzhead.hcrc&&i.pending>t&&(e.adler=U(e.adler,i.pending_buf,i.pending-t,t)),i.gzindex+=r,_e(e),0!==i.pending)return i.last_flush=-1,J;t=0,s-=r}let r=new Uint8Array(i.gzhead.extra);i.pending_buf.set(r.subarray(i.gzindex,i.gzindex+s),i.pending),i.pending+=s,i.gzhead.hcrc&&i.pending>t&&(e.adler=U(e.adler,i.pending_buf,i.pending-t,t)),i.gzindex=0}i.status=73}if(73===i.status){if(i.gzhead.name){let t,s=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s)),_e(e),0!==i.pending)return i.last_flush=-1,J;s=0}t=i.gzindex<i.gzhead.name.length?255&i.gzhead.name.charCodeAt(i.gzindex++):0,be(i,t)}while(0!==t);i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s)),i.gzindex=0}i.status=91}if(91===i.status){if(i.gzhead.comment){let t,s=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s)),_e(e),0!==i.pending)return i.last_flush=-1,J;s=0}t=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,be(i,t)}while(0!==t);i.gzhead.hcrc&&i.pending>s&&(e.adler=U(e.adler,i.pending_buf,i.pending-s,s))}i.status=103}if(103===i.status){if(i.gzhead.hcrc){if(i.pending+2>i.pending_buf_size&&(_e(e),0!==i.pending))return i.last_flush=-1,J;be(i,255&e.adler),be(i,e.adler>>8&255),e.adler=0}if(i.status=ce,_e(e),0!==i.pending)return i.last_flush=-1,J}if(0!==e.avail_in||0!==i.lookahead||t!==G&&i.status!==ue){let s=0===i.level?we(i,t):i.strategy===ie?((e,t)=>{let i;for(;;){if(0===e.lookahead&&(Pe(e),0===e.lookahead)){if(t===G)return 1;break}if(e.match_length=0,i=H(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(ve(e,!1),0===e.strm.avail_out))return 1}return 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e;a--,A+=s[o++]<<h,h+=8}if(m&&0==(240&m)){for(v=g,b=m,y=_;P=i.lencode[y+((A&(1<<v+b)-1)>>v)],g=P>>>24,m=P>>>16&255,_=65535&P,!(v+g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=v,h-=v,i.back+=v}if(A>>>=g,h-=g,i.back+=g,i.length=_,0===m){i.mode=16205;break}if(32&m){i.back=-1,i.mode=Et;break}if(64&m){e.msg="invalid literal/length code",i.mode=Rt;break}i.extra=15&m,i.mode=16201;case 16201:if(i.extra){for(M=i.extra;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.length+=A&(1<<i.extra)-1,A>>>=i.extra,h-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=16202;case 16202:for(;P=i.distcode[A&(1<<i.distbits)-1],g=P>>>24,m=P>>>16&255,_=65535&P,!(g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(0==(240&m)){for(v=g,b=m,y=_;P=i.distcode[y+((A&(1<<v+b)-1)>>v)],g=P>>>24,m=P>>>16&255,_=65535&P,!(v+g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=v,h-=v,i.back+=v}if(A>>>=g,h-=g,i.back+=g,64&m){e.msg="invalid distance code",i.mode=Rt;break}i.offset=_,i.extra=15&m,i.mode=16203;case 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d=h[a+4],p=h[a+5],f=h[a+6],g=h[a+7],m=h[a+8];if(o){const t=new Uint8Array(l.subarray(i,r)).buffer,o=`${n}-texture-${e}`;if(c)s.createTexture({id:o,buffers:[t],minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m});else{const e=new Blob([t],{type:10001===u?"image/jpeg":10002===u?"image/png":"image/gif"}),i=(window.URL||window.webkitURL).createObjectURL(e),r=document.createElement("img");r.src=i,s.createTexture({id:o,image:r,minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m})}}}for(let e=0;e<k;e++){const t=5*e,i=`${n}-textureSet-${e}`,r=v[t+0],o=v[t+1],a=v[t+2],l=v[t+3],A=v[t+4];s.createTextureSet({id:i,colorTextureId:r>=0?`${n}-texture-${r}`:null,normalsTextureId:a>=0?`${n}-texture-${a}`:null,metallicRoughnessTextureId:o>=0?`${n}-texture-${o}`:null,emissiveTextureId:l>=0?`${n}-texture-${l}`:null,occlusionTextureId:A>=0?`${n}-texture-${A}`:null})}const j=new Uint32Array(N);for(let e=0;e<Q;e++){const t=F[e];void 0!==j[t]?j[t]++:j[t]=1}const G=c.vec3(),z=c.AABB3(),K={};for(let i=0;i<H;i++){const r=i===H-1,a=U[i],l=r?V-1:U[i+1]-1,A=6*i,h=L.subarray(A,A+6);c.getAABB3Center(h,G),z[0]=h[0]-G[0],z[1]=h[1]-G[1],z[2]=h[2]-G[2],z[3]=h[3]-G[0],z[4]=h[4]-G[1],z[5]=h[5]-G[2];const v=ai.createPositionsDecodeMatrix(z),O={};for(let r=a;r<=l;r++){const a=T[r],l=t.globalizeObjectIds?c.globalizeObjectId(s.id,a):a,A=r===V-1,h=R[r],L=A?F.length-1:R[r+1]-1,U=[],k=e.metaScene.metaObjects[l],Q={},H={};if(k){if(t.excludeTypesMap&&k.type&&t.excludeTypesMap[k.type])continue;if(t.includeTypesMap&&k.type&&!t.includeTypesMap[k.type])continue;const e=t.objectDefaults?t.objectDefaults[k.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(Q.visible=!1),!1===e.pickable&&(Q.pickable=!1),e.colorize&&(H.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(H.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(H.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(H.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=h;e<=L;e++){const r=F[e],a=j[r]>1,l=r===N-1,A=D[e],h=A>=0?`${n}-textureSet-${A}`:null,T=Vw(S.subarray(6*e,6*e+3)),R=S[6*e+3]/255,L=S[6*e+4]/255,k=S[6*e+5]/255,Q=o.getNextId();if(a){const o=I[e],a=b.slice(o,o+16),A=`${n}-geometry.${i}.${r}`;let F=K[A];if(!F){F={batchThisMesh:!t.reuseGeometries};let e=!1;switch(B[r]){case 0:F.primitiveName="solid",F.geometryPositions=u.subarray(x[r],l?u.length:x[r+1]),F.geometryNormals=d.subarray(P[r],l?d.length:P[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 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r=s.prev,o=s.next.next;!UC(r,o)&&OC(r,s,s.next,o)&&QC(r,o)&&QC(o,r)&&(t.push(r.i/i),t.push(s.i/i),t.push(o.i/i),jC(s),jC(s.next),s=e=o),s=s.next}while(s!==e);return BC(s)}function MC(e,t,i,s,r,o){var n=e;do{for(var a=n.next.next;a!==n.prev;){if(n.i!==a.i&&RC(n,a)){var l=VC(n,a);return n=BC(n,n.next),l=BC(l,l.next),xC(n,t,i,s,r,o),void xC(l,t,i,s,r,o)}a=a.next}n=n.next}while(n!==e)}function EC(e,t){return e.x-t.x}function FC(e,t){if(t=function(e,t){var i,s=t,r=e.x,o=e.y,n=-1/0;do{if(o<=s.y&&o>=s.next.y&&s.next.y!==s.y){var a=s.x+(o-s.y)*(s.next.x-s.x)/(s.next.y-s.y);if(a<=r&&a>n){if(n=a,a===r){if(o===s.y)return s;if(o===s.next.y)return s.next}i=s.x<s.next.x?s:s.next}}s=s.next}while(s!==t);if(!i)return null;if(r===n)return i;var l,A=i,h=i.x,c=i.y,u=1/0;s=i;do{r>=s.x&&s.x>=h&&r!==s.x&&TC(o<c?r:n,o,h,c,o<c?n:r,o,s.x,s.y)&&(l=Math.abs(o-s.y)/(r-s.x),QC(s,e)&&(l<u||l===u&&(s.x>i.x||s.x===i.x&&IC(i,s)))&&(i=s,u=l)),s=s.next}while(s!==A);return i}(e,t),t){var 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jC(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function GC(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function zC(e,t,i,s){for(var r=0,o=t,n=i-s;o<i;o+=s)r+=(e[n]-e[o])*(e[o+1]+e[n+1]),n=o;return r}bC.deviation=function(e,t,i,s){var r=t&&t.length,o=r?t[0]*i:e.length,n=Math.abs(zC(e,0,o,i));if(r)for(var a=0,l=t.length;a<l;a++){var A=t[a]*i,h=a<l-1?t[a+1]*i:e.length;n-=Math.abs(zC(e,A,h,i))}var c=0;for(a=0;a<s.length;a+=3){var u=s[a]*i,d=s[a+1]*i,p=s[a+2]*i;c+=Math.abs((e[u]-e[p])*(e[d+1]-e[u+1])-(e[u]-e[d])*(e[p+1]-e[u+1]))}return 0===n&&0===c?0:Math.abs((c-n)/n)},bC.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},s=0,r=0;r<e.length;r++){for(var o=0;o<e[r].length;o++)for(var n=0;n<t;n++)i.vertices.push(e[r][o][n]);r>0&&(s+=e[r-1].length,i.holes.push(s))}return i};const KC=c.vec2(),WC=c.vec3(),XC=c.vec3(),JC=c.vec3();class YC{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getDotBIM(e,t,i){_.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}}const ZC=function(e){const t=t=>parseInt(e.substr(t+1,2),16)/255;return[t(0),t(2),t(4)]},qC=function(e){const t=[];for(let i=0;i<e.length;++i)t.push(i);const i=function(){const i=c.vec2(),s=c.vec2();let r=0;for(let o=0;o<t.length;++o){const n=e[t[o]],a=e[t[(o+1)%t.length]],l=e[t[(o+2)%t.length]];c.subVec2(n,a,i),c.subVec2(l,a,s);const A=c.dotVec2(i,s)/Math.sqrt(c.sqLenVec2(i)*c.sqLenVec2(s)),h=Math.acos(Math.max(-1,Math.min(A,1)));r+=i[0]*s[1]-i[1]*s[0]>=0?h:2*Math.PI-h}return r<t.length*Math.PI}(),s=function(){const e=(e,t,i)=>(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1]);return(t,i,s,r)=>{const 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r=r=>{if(r){s&&s.destroy();try{const[o,n]=qC(r.map((e=>[e[0],e[2]]))),a=[].concat(...o.map((e=>[e[0],r[0][1],e[1]]))),l=[].concat(...n);s=new bs(e,{pickable:!1,geometry:new hi(e,{positions:a,indices:l,normals:c.buildNormals(a,l)}),material:new fi(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:ZC(t)})})}catch(e){s=null}}s&&(s.visible=!!r)};return r(null),{updateBase:r,destroy:()=>s&&s.destroy()}},tM=function(e,t){return function(i,s,r){const o=e.scene,n=o.canvas.canvas,a=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,Ce(n.ownerDocument.documentElement,n,t),t),l=e=>{const i=c.vec3(),s=c.vec3();return c.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,i,s),t(i,s)};let A=!1;const h=function(){A=!1},u=function(){h(),n.removeEventListener("mousedown",p),n.removeEventListener("mousemove",f),e.cameraControl.off(g),n.removeEventListener("mouseup",m)},d=c.vec2(),p=function(e){1===e.which&&(a(e,d),A=!0)};n.addEventListener("mousedown",p);const f=function(e){const t=a(e,c.vec2());A&&c.distVec2(d,t)>20&&(h(),i())};n.addEventListener("mousemove",f);const g=e.cameraControl.on("rayMove",(e=>{const t=e.canvasPos;s(t,l(t))})),m=function(e){if(1===e.which&&A){u();const t=a(e,c.vec2());r(t,l(t))}};return n.addEventListener("mouseup",m),u}},iM=function(e,t,i,s){const r=-(c.dotVec3(i,t)-e)/c.dotVec3(s,t);{const e=c.vec3();return c.mulVec3Scalar(s,r,e),c.addVec3(i,e,e),e}};class sM extends D{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={},this.plugin.viewer.scene,this._geometry=t.geometry,t.onMouseOver,t.onMouseLeave,t.onContextMenu,this._alpha="alpha"in t&&void 0!==t.alpha?t.alpha:.5,this.color=t.color,this._visible=!0,this._rebuildMesh()}_rebuildMesh(){const e=this.plugin.viewer.scene,t=this._geometry.planeCoordinates.slice(),i=this._geometry.height<0,s=this._geometry.altitude+(i?this._geometry.height:0),r=this._geometry.height*(i?-1:1),[o,n,a]=qC(t),l=[],A=[],h=e=>{const t=l.length;for(let t of o)l.push([t[0],s+(e?r:0),t[1]]);for(let i of n)A.push(...(e?i:i.slice(0).reverse()).map((e=>e+t)))};h(!1),h(!0);for(let e=0;e<o.length;++e){const t=o[e],i=o[(o.length+e+(a?1:-1))%o.length],n=s,h=s+r,c=l.length;l.push([t[0],n,t[1]],[i[0],n,i[1]],[i[0],h,i[1]],[t[0],h,t[1]]),A.push(...[0,1,2,0,2,3].map((e=>e+c)))}this._zoneMesh&&this._zoneMesh.destroy();const u=e=>Math.min(...l.map((t=>t[e]))),d=e=>Math.max(...l.map((t=>t[e]))),p=u(0),f=u(1),g=u(2),m=d(0),_=d(1),v=d(2);this._center=c.vec3([(p+m)/2,(f+_)/2,(g+v)/2]);const b=[].concat(...l.map((e=>c.subVec3(e,this._center,e))));this._zoneMesh=new bs(e,{origin:this._center,edges:this._edges,geometry:new hi(e,{positions:b,indices:A,normals:c.buildNormals(b,A)}),material:new fi(e,{alpha:this._alpha,backfaces:!0,diffuse:ZC(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;{const e=c.vec2(),t=c.vec2();let i=0;for(let s of n){const r=o[s[0]],n=o[s[1]],a=o[s[2]];c.subVec2(n,r,e),c.subVec2(a,r,t),i+=Math.abs(e[0]*t[1]-e[1]*t[0])}this._baseArea=i/2}this._metrics=null}get baseArea(){return this._baseArea}get area(){return this._getMetrics().area}get volume(){return this._getMetrics().volume}_getMetrics(){if(null===this._metrics){let e=0,t=0;const i=this._zoneMesh.geometry,s=[c.vec3(),c.vec3(),c.vec3()],r=c.vec3();for(let o=0;o<i.indices.length;o+=3){for(let e=0;e<3;++e){const t=s[e],r=3*i.indices[o+e];for(let e=0;e<3;++e)t[e]=i.positions[r+e]}e+=c.dotVec3(s[0],c.cross3Vec3(s[1],s[2],r)),c.subVec3(s[1],s[0],s[1]),c.subVec3(s[2],s[0],s[2]),t+=c.lenVec3(c.cross3Vec3(s[1],s[2],r))}this._metrics={area:t/2,volume:e/6}}return this._metrics}sectionedAverage(e){const t=this._geometry.planeCoordinates.slice();let i=[];{const e=this._geometry.height,s=this._geometry.altitude,r=s+Math.max(0,e),o=s+Math.min(0,e),n=e=>{const s=t.map((t=>[t[0],e?r:o,t[1]]));i.push(e?s:s.slice(0).reverse())};n(!0),n(!1);const a=(e,i)=>[t[e][0],i,t[e][1]];for(let e=0;e<t.length;++e){const s=(e+1)%t.length;i.push([a(e,o),a(s,o),a(s,r),a(e,r)])}}for(const t of e){const e=t.dir,r=t.dist,o=[];for(const t of i){const i=1e-5,n=0,a=1,l=2,A=3;let h=0;const u=[];for(let s=0;s<t.length;s++){const o=c.dotVec3(e,t[s])+r,A=o<-i?l:o>i?a:n;h|=A,u.push(A)}switch(h){case n:case a:o.push(t);break;case l:break;case A:const i=[];for(let o=0;o<t.length;o++){var s=(o+1)%t.length;const n=u[o],a=u[s],h=t[o],d=t[s];if(n!==l&&i.push(h),(n|a)===A){const t=c.vec3();c.subVec3(d,h,t);const s=-(r+c.dotVec3(e,h))/c.dotVec3(e,t),o=[0,0,0];c.lerpVec3(s,0,1,h,d,o),i.push(o)}}i.length>=3&&o.push(i)}}i=o}if(0===i.length)return null;{const e=c.vec3([0,0,0]),t=new Set;for(const s of i)for(const i of s){const s=i.map((e=>e.toFixed(3))).join(":");t.has(s)||(t.add(s),c.addVec3(e,i,e))}return c.mulVec3Scalar(e,1/t.size,e),e}}get center(){return this._center}get altitude(){return this._geometry.altitude}set altitude(e){this._geometry.altitude=e,this._rebuildMesh()}get height(){return this._geometry.height}set height(e){this._geometry.height=e,this._rebuildMesh()}get highlighted(){return this._highlighted}set highlighted(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}set color(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=ZC(this._color))}get color(){return this._color}set alpha(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}get alpha(){return this._alpha}get edges(){return this._edges}set edges(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}set visible(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}get visible(){return this._visible}getJSON(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}duplicate(){return this.plugin.createZone({id:c.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((e=>e.slice())),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}destroy(){this._zoneMesh.destroy(),super.destroy()}}class rM extends D{constructor(e,t,i){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.createSelect3dPoint=i,this._deactivate=null}get active(){return!!this._deactivate}activate(e,t,i,s){if(this._deactivate)return;if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=this.createSelect3dPoint(o,((t,i)=>iM(e,c.vec3([0,1,0]),t,i)));!function o(){const A=eM(n,i,s),h=function(e,t,i,s,r,o){const n=$C(e,t),a=$C(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:()=>{};let A=s((()=>{l(null),n.update(null)}),((e,t)=>{l(e),n.update(t)}),(function(e,t){n.update(t),A=s((function(){l(null),a.update(null),r(null)}),(function(e,i){l(e),a.update(i),r(c.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),n.destroy(),a.destroy(),l(null),o([t,i])}))}));return{deactivate:function(){A(),n.destroy(),a.destroy(),l(null)}}}(n,i,a.pointerLens,l,(e=>{if(e){const t=e[0],i=e[1],s=e=>Math.min(t[e],i[e]),r=e=>Math.max(t[e],i[e]),o=s(0),n=s(1),a=s(2),l=r(0);r(1);const h=r(2);A.updateBase([[o,n,h],[l,n,h],[l,n,a],[o,n,a]])}else A.updateBase(null)}),(n=>{A.destroy();const l=function(e,t,i,s,r,o,n){const a=i=>Math.min(e[i],t[i]),l=i=>Math.max(e[i],t[i]),A=a(0),h=a(2),u=l(0),d=l(2);return n.createZone({id:c.createUUID(),geometry:{planeCoordinates:[[A,d],[u,d],[u,h],[A,h]],altitude:i,height:s},alpha:o,color:r})}(n[0],n[1],e,t,i,s,r);let h=!0;a._deactivate=()=>{h=!1},a.fire("zoneEnd",l),h&&o()})).deactivate;a._deactivate=()=>{h(),A.destroy()}}()}deactivate(){this._deactivate&&(this._deactivate(),this._deactivate=null)}destroy(){this.deactivate(),super.destroy()}}const oM=function(e,t,i,s,r,o,n,a,l){const A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{};let h;const u=[()=>A(null)],d=eM(e,s,r);return u.push((()=>d.destroy())),function o(p){const f=$C(e,s),g=p.length>0&&function(e,t,i){const s=new Se(e,e.canvas.canvas.ownerDocument.body,{color:t,thickness:1,thicknessClickable:6});return s.setVisible(!1),{update:e=>{e&&s.setEnds(i,e),s.setVisible(!!e)},destroy:()=>s.destroy()}}(e,s,p[p.length-1].getWorldPos());u.push((()=>{f.destroy(),g&&g.destroy()}));const m=p.length>0&&p[0],_=function(e){const t=m&&m.getCanvasPos();return t&&c.distVec2(t,e)<10&&{canvasPos:t,worldPos:m.getWorldPos()}},v=function(){const e=(e,t,i)=>t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1]),t=(e,t,i)=>{const s=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===s?0:s>0?1:2};return function(i,s){const r=i[i.length-2],o=i[i.length-1];for(let n=s?1:0;n<i.length-2-1;++n){const s=i[n],a=i[n+1],l=t(r,o,s),A=t(r,o,a),h=t(s,a,r),c=t(s,a,o);if(l!==A&&h!==c||0===l&&e(r,s,o)||0===A&&e(r,a,o)||0===h&&e(s,r,a)||0===c&&e(s,o,a))return!0}return!1}}();h=a((()=>{A(null),f.update(null),g&&g.update(null),d.updateBase(p.length>2?p.map((e=>e.getWorldPos())):null)}),((e,t)=>{const i=p.length>2&&_(e);if(m&&m.setHighlighted(!!i),A(i?i.canvasPos:e),f.update(!i&&t),g&&g.update(i?i.worldPos:t),p.length>=2){const e=p.map((e=>e.getWorldPos())).concat(i?[]:[t]),s=v(e.map((e=>[e[0],e[2]])),i);d.updateBase(s?null:e)}else d.updateBase(null)}),(function(e,a){const A=p.length>2&&_(e),h=p.map((e=>e.getWorldPos())).concat(A?[]:[a]);d.updateBase(h);const m=h.map((e=>[e[0],e[2]]));p.length>2&&v(m,A)?(u.pop()(),o(p)):A?(f.update(a),u.forEach((e=>e())),l(n.createZone({id:c.createUUID(),geometry:{planeCoordinates:m,altitude:t,height:i},alpha:r,color:s}))):(f.update(a),g&&g.update(a),o(p.concat(f)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){h(),u.forEach((e=>e()))}}};class nM extends D{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene;super(o);const n=e._geometry.altitude,a=e._geometry.planeCoordinates.map((t=>{const i=o.canvas.canvas.ownerDocument.body,s=new Ie(o,{},i,{fillColor:e._color});return s.worldPos=c.vec3([t[0],n,t[1]]),s.on("worldPos",(function(){t[0]=s.worldPos[0],t[1]=s.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),s})),l=Re({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t&&t.pointerLens,dots:a,ray2WorldPos:(e,t)=>iM(n,c.vec3([0,1,0]),e,t),onEnd:(t,i)=>(e._zoneMesh&&this.fire("edited"),!!e._zoneMesh)}),A=function(){l(),a.forEach((e=>e.destroy()))},h=e.on("destroyed",A);this._deactivate=function(){e.off("destroyed",h),A()}}deactivate(){this._deactivate(),super.destroy()}}class aM extends D{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene,n=o.canvas.canvas;super(o);const a=this,l=e._geometry.altitude,A=t&&t.pointerLens,h=A?function(e){A.visible=!!e,e&&(A.canvasPos=e)}:()=>{},u=e=>{const t=c.vec3(),i=c.vec3();return c.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,t,i),s=t,r=i,iM(l,c.vec3([0,1,0]),s,r);var s,r},d=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,Ce(n.ownerDocument.documentElement,n,t),t),p=function(e,t){const i=e=>{e.preventDefault(),t(e)};return n.addEventListener(e,i),()=>n.removeEventListener(e,i)};let f=()=>{};const g=function(t,i,s,o){const l=o(t),A=d(l,c.vec2()),g=r.scene.pick({canvasPos:A,includeEntities:[e._zoneMesh.id]});if((g&&g.entity&&g.entity.zone)===e){f(),n.style.cursor="move",r.cameraControl.active=!1;const t=function(){const t=e._geometry.planeCoordinates.map((e=>e.slice())),i=u(A),s=c.vec2([i[0],i[2]]),r=c.vec2();return function(i){const o=u(i);r[0]=o[0],r[1]=o[2],c.subVec2(s,r,r),e._geometry.planeCoordinates.forEach(((e,i)=>{c.subVec2(t[i],r,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}}(),l=p(i,(function(e){const i=o(e);if(i){const e=d(i,c.vec2());t(e),h(e)}})),g=p(s,(function(e){const i=o(e);if(i){const e=d(i,c.vec2());t(e),h(null),f(),a.fire("translated")}}));f=function(){f=()=>{},n.style.cursor="default",r.cameraControl.active=!0,l(),g()}}},m=[];i&&m.push(p("mousedown",(e=>{1===e.which&&g(e,"mousemove","mouseup",(e=>1===e.which&&e))}))),s&&m.push(p("touchstart",(e=>{if(1===e.touches.length){const t=e.touches[0].identifier;g(e,"touchmove","touchend",(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})));const _=function(){f(),m.forEach((e=>e())),h(null)},v=e.on("destroyed",_);this._deactivate=function(){e.off("destroyed",v),_()}}deactivate(){this._deactivate(),super.destroy()}}exports.AlphaFormat=1021,exports.AmbientLight=qt,exports.AngleMeasurementEditMouseControl=class extends He{constructor(e,t){super(e,t,!0,!1)}},exports.AngleMeasurementEditTouchControl=class extends He{constructor(e,t){super(e,t,!1,!0)}},exports.AngleMeasurementsControl=Ne,exports.AngleMeasurementsMouseControl=Qe,exports.AngleMeasurementsPlugin=class extends V{constructor(e,t={}){super("AngleMeasurements",e),this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,angleMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get control(){return this._defaultControl||(this._defaultControl=new Qe(this,{})),this._defaultControl}get measurements(){return this._measurements}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.corner,s=e.target,r=new ke(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},corner:{entity:i.entity,worldPos:i.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:e.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[r.id]=r,r.on("destroyed",(()=>{delete this._measurements[r.id]})),r.clickable=!0,this.fire("measurementCreated",r),r}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}},exports.AngleMeasurementsTouchControl=class extends Ne{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new Q(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentAngleMeasurement=null,this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._touchState=0,this._attachPlugin(e,t)}_attachPlugin(e){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=c.vec3(),r=20;let o=null;this._touchState=0;const n=c.vec2(),a=c.vec2(),l=c.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},u=()=>{this.plugin.viewer.cameraControl.active=!0},d=()=>{o&&(clearTimeout(o),o=null),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),u(),this._touchState=0},p=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,Ce(i.ownerDocument.documentElement,i,t),t),f=(e,t)=>(t.set(e),Ce(i,i.ownerDocument.documentElement,t),t);i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const u=i.touches[0];switch(p(u,n),a.set(n),this._touchState){case 0:if(1!==l&&null!==o)return void d();const i=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(f(i.snappedCanvasPos,Ve));else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(f(e.canvasPos,Ve))}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement?this._currentAngleMeasurement.origin.worldPos=s:(this._currentAngleMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},corner:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1),this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=u.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(f(e.snappedCanvasPos,Ve)),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(f(e.canvasPos,Ve)),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=u.identifier;break;case 6:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(f(e.snappedCanvasPos,Ve)),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(f(e.canvasPos,Ve)),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=8,h()}),this._longTouchTimeoutMs),this._touchState=7),A=u.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(e=>{this.pointerCircle.stop();const i=e.touches.length;if(1!==i||1!==e.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const r=e.touches[0];if(r.identifier!==A)return;let n,l;switch(p(r,a),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),n=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),n&&n.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=n.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(n.worldPos),this._currentAngleMeasurement.origin.worldPos=n.worldPos):(l=t.pick({canvasPos:a,pickSurface:!0}),l&&l.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=l.canvasPos,this.pointerLens.snapped=!1),s.set(l.worldPos),this._currentAngleMeasurement.origin.worldPos=l.worldPos):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),n=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),n&&n.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=n.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.corner.worldPos=n.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1):(l=t.pick({canvasPos:a,pickSurface:!0}),l&&l.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=l.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.corner.worldPos=l.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1)),this._touchState=5;break;case 8:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),n=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),n&&n.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=n.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.target.worldPos=n.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0):(l=t.pick({canvasPos:a,pickSurface:!0}),l&&l.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=l.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.target.worldPos=l.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0)),this._touchState=8}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0];if(h.identifier!==A)return;o&&(clearTimeout(o),o=null),p(h,l);const d=l[0],f=l[1];switch(this._touchState){case 1:{if(1!==s||d>n[0]+r||d<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentAngleMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:i.worldPos},corner:{worldPos:i.worldPos},target:{worldPos:i.worldPos}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=3):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}u();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),u();break;case 4:{if(1!==s||d>n[0]+r||d<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=6):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}u();break;case 5:this.pointerLens&&(this.pointerLens.visible=!1),this._touchState=6,u();break;case 7:{if(1!==s||d>n[0]+r||d<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=6);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0}u();break;case 8:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement&&this._currentAngleMeasurement.targetVisible?(this._currentAngleMeasurement.clickable=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._touchState=0):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0),u()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}},exports.AnnotationsPlugin=class extends V{constructor(e,t){super("Annotations",e),this._labelHTML=t.labelHTML||"<div></div>",this._markerHTML=t.markerHTML||"<div></div>",this._container=t.container||document.body,this._values=t.values||{},this.annotations={},this.surfaceOffset=t.surfaceOffset}getContainerElement(){return this._container}send(e,t){if("clearAnnotations"===e)this.clear()}set surfaceOffset(e){null==e&&(e=.3),this._surfaceOffset=e}get surfaceOffset(){return this._surfaceOffset}createAnnotation(e){this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=null;e.markerElementId&&((t=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var i=null;e.labelElementId&&((i=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));const s=new Ke(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:t,labelElement:i,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:_.apply(e.values,_.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(()=>{delete this.annotations[s.id],this.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}destroyAnnotation(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}clear(){const e=Object.keys(this.annotations);for(var t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}destroy(){this.clear(),super.destroy()}},exports.AxisGizmoPlugin=class extends V{constructor(e,t){super("AxisGizmo",e,t=t||{});const i=e.scene.camera;t.canvasId||t.canvasElement||this.error("Config expected: either 'canvasId' or 'canvasElement'");try{this._axisGizmoScene=new Fi(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0})}catch(e){return void this.error(e)}const s=this._axisGizmoScene;s.clearLights(),new qt(s,{color:[.45,.45,.5],intensity:.9}),new Zt(s,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new Zt(s,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});const r=s.camera;i.on("matrix",(function(){const e=i.eye,t=i.look,s=i.up,o=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(e,t,[])),22);r.look=[0,0,0],r.eye=o,r.up=s}));const o=new hi(s,Bs({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),n=new hi(s,Bs({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),a=new fi(s,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),l=new fi(s,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new fi(s,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new fi(s,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),u=new fi(s,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),d=new fi(s,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new fi(s,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});this._meshes=[new bs(s,{geometry:new hi(s,xs({radius:9,heightSegments:60,widthSegments:60})),material:new fi(s,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==t.visible}),new bs(s,{geometry:new hi(s,xs({radius:1})),material:p,pickable:!1,collidable:!1,visible:!1!==t.visible}),new bs(s,{geometry:o,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[5,0,0],rotation:[0,0,-90]}),new bs(s,{geometry:n,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[2,0,0],rotation:[0,0,90]}),new bs(s,{geometry:new hi(s,ws({text:"X",size:1.5})),material:l,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[7,0,0],billboard:"spherical"}),new bs(s,{geometry:o,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,5,0]}),new bs(s,{geometry:n,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,2,0]}),new bs(s,{geometry:new hi(s,ws({text:"Y",size:1.5})),material:h,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,7,0],billboard:"spherical"}),new bs(s,{geometry:o,material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,5],rotation:[90,0,0]}),new bs(s,{geometry:n,material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,2],rotation:[90,0,0]}),new bs(s,{geometry:new hi(s,ws({text:"Z",size:1.5})),material:d,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,7],billboard:"spherical"})]}setVisible(e){for(let t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}destroy(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,super.destroy()}},exports.BCFViewpointsPlugin=class extends V{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=c.normalizeVec3(c.subVec3(i.look,i.eye,c.vec3())),a=i.eye,l=i.up;i.yUp&&(n=Hh(n),a=Hh(a),l=Hh(l));const A=Qh(c.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:Qh(n),camera_up_vector:Qh(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:Qh(n),camera_up_vector:Qh(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?c.negateVec3(t.dir,c.vec3()):t.dir,i.yUp&&(a=Hh(a),n=Hh(n)),c.addVec3(a,s),a=Qh(a),n=Qh(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const u=t.lineSets;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const d=t.bitmaps;for(let e in d)if(d.hasOwnProperty(e)){let t=d[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=Hh(r),n=Hh(n),a=Hh(a)),c.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:Qh(r),normal:Qh(n),up:Qh(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),f=new Set(t.xrayedObjectIds),g=new Set(t.colorizedObjectIds),m=Object.values(t.objects).filter((e=>p.has(e.id)||g.has(e.id)||f.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(m).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,y=t.visibleObjectIds,B=v.filter((e=>!b[e])),x=t.selectedObjectIds;return e.defaultInvisible||y.length<B.length?(o.components.visibility.exceptions=this._createBCFComponents(y),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(B),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(x),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=Vh(e.location,Uh),i=Vh(e.direction,Uh);A&&c.negateVec3(i),c.subVec3(t,l),r.yUp&&(t=jh(t),i=jh(i)),new Cs(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new Lh(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=Vh(e.location,Oh),n=Vh(e.normal,kh),a=Vh(e.up,Nh),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=jh(o),n=jh(n),a=jh(a)),new lr(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,u;if(e.perspective_camera?(a=Vh(e.perspective_camera.camera_view_point,Uh),A=Vh(e.perspective_camera.camera_direction,Uh),h=Vh(e.perspective_camera.camera_up_vector,Uh),r.perspective.fov=e.perspective_camera.field_of_view,u="perspective"):(a=Vh(e.orthogonal_camera.camera_view_point,Uh),A=Vh(e.orthogonal_camera.camera_direction,Uh),h=Vh(e.orthogonal_camera.camera_up_vector,Uh),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,u="ortho"),c.subVec3(a,l),r.yUp&&(a=jh(a),A=jh(A),h=jh(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:c.addVec3(a,A,Uh)}else A=c.addVec3(a,A,Uh);n?(r.eye=a,r.look=A,r.up=h,r.projection=u):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:u})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=c.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}},exports.Bitmap=lr,exports.ByteType=1010,exports.CameraMemento=bc,exports.CameraPath=class extends D{get type(){return"CameraPath"}constructor(e,t={}){super(e,t),this._frames=[],this._eyeCurve=new sc(this),this._lookCurve=new sc(this),this._upCurve=new sc(this),t.frames&&(this.addFrames(t.frames),this.smoothFrameTimes(1))}get frames(){return this._frames}get eyeCurve(){return this._eyeCurve}get lookCurve(){return this._lookCurve}get upCurve(){return this._upCurve}saveFrame(e){const t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}addFrame(e,t,i,s){const r={t:e,eye:t.slice(0),look:i.slice(0),up:s.slice(0)};this._frames.push(r),this._eyeCurve.points.push(r.eye),this._lookCurve.points.push(r.look),this._upCurve.points.push(r.up)}addFrames(e){let t;for(let i=0,s=e.length;i<s;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}loadFrame(e){const t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,rc),t.look=this._lookCurve.getPoint(e,rc),t.up=this._upCurve.getPoint(e,rc)}sampleFrame(e,t,i,s){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,s)}smoothFrameTimes(e){if(0===this._frames.length)return;const t=c.vec3();var i=0;this._frames[0].t=0;const s=[];for(let e=1,o=this._frames.length;e<o;e++){var r=c.lenVec3(c.subVec3(this._frames[e].eye,this._frames[e-1].eye,t));s[e]=r,i+=r}for(let t=1,r=this._frames.length;t<r;t++){const r=s[t]/i*e;this._frames[t].t=this._frames[t-1].t+r}}clearFrames(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}},exports.CameraPathAnimation=cc,exports.CityJSONLoaderPlugin=class extends V{constructor(e,t={}){super("cityJSONLoader",e,t),this.dataSource=t.dataSource}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new vC}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Th(this.viewer.scene,_.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;const i={};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.cityJSON,e,i,t),s.processes--}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getCityJSON(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,o=t.stats||{};o.sourceFormat=e.type||"CityJSON",o.schemaVersion=e.version||"",o.title="",o.author="",o.created="",o.numMetaObjects=0,o.numPropertySets=0,o.numObjects=0,o.numGeometries=0,o.numTriangles=0,o.numVertices=0;const n=!1!==t.loadMetadata,a=n?{id:c.createUUID(),name:"Model",type:"Model"}:null,l=n?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,A={data:e,vertices:r,sceneModel:s,loadMetadata:n,metadata:l,rootMetaObject:a,nextId:0,stats:o};if(this._parseCityJSON(A),s.finalize(),n){const e=s.id;this.viewer.metaScene.createMetaModel(e,A.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_transformVertices(e,t,i){const s=[],r=t.scale||c.vec3([1,1,1]),o=t.translate||c.vec3([0,0,0]);for(let t=0,n=0;t<e.length;t++,n+=3){const n=e[t][0]*r[0]+o[0],a=e[t][1]*r[1]+o[1],l=e[t][2]*r[2]+o[2];i?s.push([n,l,a]):s.push([n,a,l])}return s}_parseCityJSON(e){const t=e.data.CityObjects;for(const i in t)if(t.hasOwnProperty(i)){const s=t[i];this._parseCityObject(e,s,i)}}_parseCityObject(e,t,i){const s=e.sceneModel,r=e.data;if(e.loadMetadata){const s=i,r=t.type,o=r+" : "+i,n=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:s,name:o,type:r,parent:n})}if(e.stats.numMetaObjects++,!(t.geometry&&t.geometry.length>0))return;const o=[];for(let i=0,s=t.geometry.length;i<s;i++){const s=t.geometry[i];let n,a;const l=r.appearance;if(l){const e=l.materials;if(e){const t=s.material;if(t){const s=Object.keys(t);if(s.length>0){const r=t[s[0]];if(void 0!==r.value)n=e[r.value];else{const t=r.values;if(t){a=[];for(let s=0,r=t.length;s<r;s++){const s=e[t[i]];a.push(s)}}}}}}}a?this._parseGeometrySurfacesWithOwnMaterials(e,s,a,o):this._parseGeometrySurfacesWithSharedMaterial(e,s,n,o)}o.length>0&&(s.createEntity({id:i,meshIds:o,isObject:!0}),e.stats.numObjects++)}_parseGeometrySurfacesWithOwnMaterials(e,t,i,s){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const r=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,r,s);break;case"Solid":const o=t.boundaries;for(let t=0;t<o.length;t++){const r=o[t];this._parseSurfacesWithOwnMaterials(e,i,r,s)}break;case"MultiSolid":case"CompositeSolid":const n=t.boundaries;for(let t=0;t<n.length;t++)for(let r=0;r<n[t].length;r++){const o=n[t][r];this._parseSurfacesWithOwnMaterials(e,i,o,s)}}}_parseSurfacesWithOwnMaterials(e,t,i,s){const r=e.vertices,o=e.sceneModel;for(let n=0;n<i.length;n++){const a=i[n],l=t[n]||{diffuseColor:[.8,.8,.8],transparency:1},A=[],h=[],u=[],d={positions:[],indices:[]};for(let t=0;t<a.length;t++){A.length>0&&h.push(A.length);const i=this._extractLocalIndices(e,a[t],u,d);A.push(...i)}if(3===A.length)d.indices.push(A[0]),d.indices.push(A[1]),d.indices.push(A[2]);else if(A.length>3){const e=[];for(let t=0;t<A.length;t++)e.push({x:r[u[A[t]]][0],y:r[u[A[t]]][1],z:r[u[A[t]]][2]});const t=this._getNormalOfPositions(e,c.vec3());let i=[];for(let s=0;s<e.length;s++)this._to2D(e[s],t,KC),i.unshift(KC[0]),i.unshift(KC[1]);const s=bC(i,h,2);for(let e=0;e<s.length;e+=3)d.indices.unshift(A[s[e]]),d.indices.unshift(A[s[e+1]]),d.indices.unshift(A[s[e+2]])}const p=""+e.nextId++;o.createMesh({id:p,primitive:"triangles",positions:d.positions,indices:d.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),s.push(p),e.stats.numGeometries++,e.stats.numVertices+=d.positions.length/3,e.stats.numTriangles+=d.indices.length/3}}_parseGeometrySurfacesWithSharedMaterial(e,t,i,s){const r=e.sceneModel,o=[],n={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const i=t.boundaries;this._parseSurfacesWithSharedMaterial(e,i,o,n);break;case"Solid":const s=t.boundaries;for(let t=0;t<s.length;t++){const i=s[t];this._parseSurfacesWithSharedMaterial(e,i,o,n)}break;case"MultiSolid":case"CompositeSolid":const r=t.boundaries;for(let t=0;t<r.length;t++)for(let i=0;i<r[t].length;i++){const s=r[t][i];this._parseSurfacesWithSharedMaterial(e,s,o,n)}}if(n.positions.length>0&&n.indices.length>0){const t=""+e.nextId++;r.createMesh({id:t,primitive:"triangles",positions:n.positions,indices:n.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),s.push(t),e.stats.numGeometries++,e.stats.numVertices+=n.positions.length/3,e.stats.numTriangles+=n.indices.length/3}}_parseSurfacesWithSharedMaterial(e,t,i,s){const r=e.vertices;for(let o=0;o<t.length;o++){let n=[],a=[];for(let r=0;r<t[o].length;r++){n.length>0&&a.push(n.length);const l=this._extractLocalIndices(e,t[o][r],i,s);n.push(...l)}if(3===n.length)s.indices.push(n[0]),s.indices.push(n[1]),s.indices.push(n[2]);else if(n.length>3){let e=[];for(let t=0;t<n.length;t++)e.push({x:r[i[n[t]]][0],y:r[i[n[t]]][1],z:r[i[n[t]]][2]});const t=this._getNormalOfPositions(e,c.vec3());let o=[];for(let i=0;i<e.length;i++)this._to2D(e[i],t,KC),o.unshift(KC[0]),o.unshift(KC[1]);const l=bC(o,a,2);for(let e=0;e<l.length;e+=3)s.indices.unshift(n[l[e]]),s.indices.unshift(n[l[e+1]]),s.indices.unshift(n[l[e+2]])}}}_extractLocalIndices(e,t,i,s){const r=e.vertices,o=[];for(let e=0,n=t.length;e<n;e++){const n=t[e];if(i.includes(n)){const e=i.indexOf(n);o.push(e)}else s.positions.push(r[n][0]),s.positions.push(r[n][1]),s.positions.push(r[n][2]),o.push(i.length),i.push(n)}return o}_getNormalOfPositions(e,t){for(let i=0;i<e.length;i++){let s=i+1;s===e.length&&(s=0),t[0]+=(e[i].y-e[s].y)*(e[i].z+e[s].z),t[1]+=(e[i].z-e[s].z)*(e[i].x+e[s].x),t[2]+=(e[i].x-e[s].x)*(e[i].y+e[s].y)}return c.normalizeVec3(t)}_to2D(e,t,i){const s=WC,r=XC,o=JC;s[0]=e.x,s[1]=e.y,s[2]=e.z,r[0]=t.x,r[1]=t.y,r[2]=t.z,o[0]=1.1,o[1]=1.1,o[2]=1.1;c.lenVec3(c.subVec3(o,r))<.01&&(o[0]+=1,o[1]+=2,o[2]+=3);const n=c.dotVec3(o,r),a=c.mulVec3Scalar(r,n,c.vec3());o[0]-=a[0],o[1]-=a[1],o[2]-=a[2],c.normalizeVec3(o);const l=c.cross3Vec3(r,o,c.vec3()),A=c.dotVec3(s,o),h=c.dotVec3(s,l);i[0]=A,i[1]=h}},exports.ClampToEdgeWrapping=1001,exports.Component=D,exports.CompressedMediaType=10003,exports.Configs=mo,exports.ContextMenu=class{constructor(e={}){this._id=t.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==e.hideOnMouseDown&&(document.addEventListener("mousedown",(e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),e.items&&(this.items=e.items),this._hideOnAction=!1!==e.hideOnAction,this.context=e.context,this.enabled=!1!==e.enabled,this.hide()}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}set items(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}get items(){return this._itemsCfg}set enabled(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}get enabled(){return this._enabled}set context(e){this._context=e}get context(){return this._context}show(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}get shown(){return this._shown}hide(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}destroy(){this._context=null,this._clear(),null!==this._id&&(t.removeItem(this._id),this._id=null)}_clear(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e].menuElement;t.parentElement.removeChild(t)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}_parseItems(e){const t=e=>{const o=this._getNextId(),n=new i(o);for(let i=0,o=e.length;i<o;i++){const o=e[i],a=new s;n.groups.push(a);for(let e=0,i=o.length;e<i;e++){const i=o[e],s=i.items,l=s&&s.length>0,A=this._getNextId(),h=i.getTitle||(()=>i.title||""),c=i.doAction||i.callback||(()=>{}),u=i.getEnabled||(()=>!0),d=i.getShown||(()=>!0),p=new r(A,h,c,u,d);if(p.parentMenu=n,a.items.push(p),l){const e=t(s);p.subMenu=e,e.parentItem=p}this._itemList.push(p),this._itemMap[p.id]=p}}return this._menuList.push(n),this._menuMap[n.id]=n,n};this._rootMenu=t(e)}_getNextId(){return"ContextMenu_"+this._id+"_"+this._nextId++}_createUI(){const e=t=>{this._createMenuUI(t);const i=t.groups;for(let t=0,s=i.length;t<s;t++){const s=i[t].items;for(let t=0,i=s.length;t<i;t++){const i=s[t].subMenu;i&&e(i)}}};e(this._rootMenu)}_createMenuUI(e){const t=e.groups,i=[];if(i.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),i.push("<ul>"),t)for(let e=0,s=t.length;e<s;e++){const r=e,o=s,n=t[e].items;if(n)for(let e=0,t=n.length;e<t;e++){const s=n[e],a=s.subMenu,l=s.title||"";a?(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>')):(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>'))}}i.push("</ul>"),i.push("</div>");const s=i.join("");document.body.insertAdjacentHTML("beforeend",s);const r=document.querySelector("."+e.id);e.menuElement=r,r.style["border-radius"]="4px",r.style.display="none",r.style["z-index"]=3e5,r.style.background="white",r.style.border="1px solid black",r.style["box-shadow"]="0 4px 5px 0 gray",r.oncontextmenu=e=>{e.preventDefault()};const o=this;let n=null;if(t)for(let e=0,i=t.length;e<i;e++){const i=t[e].items;if(i)for(let e=0,t=i.length;e<t;e++){const t=i[e],s=t.subMenu;t.itemElement=document.getElementById(t.id),t.itemElement?(t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault();const i=t.subMenu;if(!i)return void(n&&(o._hideMenu(n.id),n=null));if(n&&n.id!==i.id&&(o._hideMenu(n.id),n=null),!1===t.enabled)return;const s=t.itemElement,r=i.menuElement,a=s.getBoundingClientRect();r.getBoundingClientRect();const l=200,A=a.right+l<window.innerWidth,h=a.left-l>0;if(A)o._showMenu(i.id,a.right-5,a.top-1);else if(h)o._showMenu(i.id,a.left-l,a.top-1);else{const e=a.left,t=window.innerWidth-a.right;t>e?o._showMenu(i.id,a.right-5-(l-t),a.top-1):o._showMenu(i.id,a.left-e,a.top-1)}n=i})),s||(t.itemElement.addEventListener("click",(e=>{e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus()))})),t.itemElement.addEventListener("mouseup",(e=>{3===e.which&&(e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus())))})),t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault(),!1!==t.enabled&&t.doHover&&t.doHover(o._context)})))):console.error("ContextMenu item element not found: "+t.id)}}}_updateItemsTitles(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getShown;if(!s||!s(this._context))continue;const r=t.getTitle(this._context);t.subMenu,i.innerText=r}}_updateItemsEnabledStatus(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getEnabled;if(!s)continue;const r=t.getShown;if(!r)continue;const o=r(this._context);if(t.shown=o,!o){i.style.display="none";continue}i.style.display="";const n=s(this._context);t.enabled=n,n?i.classList.remove("disabled"):i.classList.add("disabled")}}_updateSubMenuInfo(){if(!this._context)return;let e,t,i,s,r,o;this._itemList.forEach((n=>{n.subMenu&&(e=n.itemElement,t=e.getBoundingClientRect(),i=n.subMenu.menuElement,s={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",o=n.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=s.visibility,i.style.display=s.display,r=t.right+o>window.innerWidth,e.setAttribute("data-submenuposition",r?"left":"right"))}))}_showMenu(e,t,i){const s=this._menuMap[e];if(!s)return void console.error("Menu not found: "+e);if(s.shown)return;const r=s.menuElement;r&&(this._showMenuElement(r,t,i),s.shown=!0)}_hideMenu(e){const t=this._menuMap[e];if(!t)return void console.error("Menu not found: "+e);if(!t.shown)return;const i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}_hideAllMenus(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e];this._hideMenu(t.id)}}_showMenuElement(e,t,i){e.style.display="block";const s=e.offsetHeight,r=e.offsetWidth;i+s>window.innerHeight&&(i=window.innerHeight-s),t+r>window.innerWidth&&(t=window.innerWidth-r),e.style.left=t+"px",e.style.top=i+"px"}_hideMenuElement(e){e.style.display="none"}},exports.CubicBezierCurve=class extends ic{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.v3=t.v3,this.t=t.t}set v0(e){this._v0=e||c.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||c.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||c.vec3([0,0,0])}get v2(){return this._v2}set v3(e){this.fire("v3",this._v3=e||c.vec3([0,0,0]))}get v3(){return this._v3}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=c.vec3();return t[0]=c.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=c.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=c.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}},exports.Curve=ic,exports.DefaultLoadingManager=$A,exports.DepthFormat=1026,exports.DepthStencilFormat=1027,exports.DirLight=Zt,exports.DistanceMeasurementEditControl=Zh,exports.DistanceMeasurementEditMouseControl=class extends Zh{constructor(e,t){super(e,t,!0,!1)}},exports.DistanceMeasurementEditTouchControl=class extends Zh{constructor(e,t){super(e,t,!1,!0)}},exports.DistanceMeasurementsControl=Xh,exports.DistanceMeasurementsMouseControl=Jh,exports.DistanceMeasurementsPlugin=class extends V{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultXLabelEnabled=!1!==t.defaultXLabelEnabled,this.defaultYLabelEnabled=!1!==t.defaultYLabelEnabled,this.defaultZLabelEnabled=!1!==t.defaultZLabelEnabled,this.defaultLengthLabelEnabled=!1!==t.defaultLengthLabelEnabled,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this.useRotationAdjustment=void 0!==t.useRotationAdjustment&&!1!==t.useRotationAdjustment,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new Jh(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}set useRotationAdjustment(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new Wh(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==e.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==e.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==e.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==e.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}},exports.DistanceMeasurementsTouchControl=class extends Xh{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new Q(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._attachPlugin(e,t)}_attachPlugin(e){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=c.vec3(),r=20;let o=null;this._touchState=0;const n=c.vec2(),a=c.vec2(),l=c.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},u=()=>{this.plugin.viewer.cameraControl.active=!0},d=()=>{o&&(clearTimeout(o),o=null),this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),u(),this._touchState=0},p=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,Ce(i.ownerDocument.documentElement,i,t),t),f=(e,t)=>(t.set(e),Ce(i,i.ownerDocument.documentElement,t),t);i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const u=i.touches[0];switch(p(u,n),a.set(n),this._touchState){case 0:if(1!==l&&null!==o)return void d();const i=t.pick({canvasPos:a,snapping:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(f(i.snappedCanvasPos,Yh));else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(f(e.canvasPos,Yh))}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=s:(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:s,entity:i.entity},target:{worldPos:s,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=u.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(f(e.snappedCanvasPos,Yh)),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(f(e.canvasPos,Yh)),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=u.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(i=>{this.pointerCircle.stop();const r=i.touches.length;if(1!==r||1!==i.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const n=i.touches[0];if(n.identifier!==A)return;let l,h;switch(p(n,a),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),l=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),l&&l.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=l.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(l.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=l.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:l.worldPos,entity:l.entity},target:{worldPos:l.worldPos,entity:l.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(h=t.pick({canvasPos:a,pickSurface:!0}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.canvasPos,this.pointerLens.snapped=!1),s.set(h.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=h.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:h.worldPos,entity:h.entity},target:{worldPos:h.worldPos,entity:h.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),l=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),l&&l.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=l.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement.target.worldPos=l.worldPos,this._currentDistanceMeasurement.target.entity=l.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0):(h=t.pick({canvasPos:a,pickSurface:!0}),h&&h.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=h.canvasPos,this.pointerLens.snapped=!1),this._currentDistanceMeasurement.target.worldPos=h.worldPos,this._currentDistanceMeasurement.target.entity=h.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0)),this._touchState=5}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0];if(h.identifier!==A)return;o&&(clearTimeout(o),o=null),p(h,l);const d=l[0],f=l[1];switch(this._touchState){case 1:{if(1!==s||d>n[0]+r||d<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentDistanceMeasurement=e.createMeasurement({id:c.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1,this._touchState=3,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(this._currentDistanceMeasurement&&this._currentDistanceMeasurement.destroy(),this._touchState=0)}u();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),u();break;case 4:{if(1!==s||d>n[0]+r||d<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this._currentDistanceMeasurement.xAxisVisible=!0,this._currentDistanceMeasurement.yAxisVisible=!0,this._currentDistanceMeasurement.zAxisVisible=!0,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0}u();break;case 5:console.log("long touch"),this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement&&this._currentDistanceMeasurement.targetVisible?(this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,this._touchState=0):(this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0),u()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}},exports.Dot3D=Ie,exports.DotBIMDefaultDataSource=YC,exports.DotBIMLoaderPlugin=class extends V{constructor(e,t={}){super("DotBIMLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new YC}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||dP}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Th(this.viewer.scene,_.apply(e,{isModel:!0,backfaces:e.backfaces,dtxEnabled:e.dtxEnabled,rotation:e.rotation,origin:e.origin})),i=t.id;if(!e.src&&!e.dotBIM)return this.error("load() param expected: src or dotBIM"),t;const s=e.objectDefaults||this._objectDefaults||dP;let r,o;if(e.includeTypes){r={};for(let t=0,i=e.includeTypes.length;t<i;t++)r[e.includeTypes[t]]=!0}if(e.excludeTypes){o={},r||(r={});for(let t=0,i=e.excludeTypes.length;t<i;t++)r[e.excludeTypes[t]]=!0}const n=e=>{const t=e.fileData,n=e.sceneModel,a={},l=c.createUUID(),A=c.createUUID(),h=c.createUUID(),u=c.createUUID(),d={metaObjects:[{id:l,name:"Project",type:"Project",parent:null},{id:A,name:"Site",type:"Site",parent:l},{id:h,name:"Building",type:"Building",parent:A},{id:u,name:"BuildingStorey",type:"BuildingStorey",parent:h}],propertySets:[]},p=(e,i)=>{if(a[e])return;const s=t.meshes.find((e=>e.mesh_id===i.mesh_id));n.createGeometry({id:e,primitive:"triangles",positions:s.coordinates,indices:s.indices}),a[e]=!0},f=t.elements;for(let e=0,i=f.length;e<i;e++){const i=f[e],a=i.type;if(o&&o[a])continue;if(r&&!r[a])continue;const l=i.info,A=void 0!==i.guid?`${i.guid}`:void 0!==l&&void 0!==l.id?l.id:e,h=i.mesh_id,c=i.vector,g=i.rotation,m=s?s[a]||s.DEFAULT:null;let _=!0,v=!0;if(void 0===i.face_colors){p(h,i);const e=`${A}-mesh`;let t=i.color?[i.color.r/255,i.color.g/255,i.color.b/255]:[1,1,1],s=i.color?i.color.a/255:1;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(t=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(s=m.opacity)),n.createMesh({id:e,geometryId:h,color:t,opacity:s,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:c?[c.x,c.y,c.z]:void 0}),n.createEntity({id:A,meshIds:[e],visible:_,pickable:v,isObject:!0})}else{let e=i.face_colors,s={},r=0,o=t.meshes.find((e=>e.mesh_id===i.mesh_id));for(let t=0,i=e.length;t<i;t+=4){let i=[e[t],e[t+1],e[t+2],e[t+3]];void 0===s[i]&&(s[i]=[]);let n=o.indices[r],a=o.coordinates[3*n],l=o.coordinates[3*n+1],A=o.coordinates[3*n+2],h=o.indices[r+1],c=o.coordinates[3*h],u=o.coordinates[3*h+1],d=o.coordinates[3*h+2],p=o.indices[r+2],f=o.coordinates[3*p],g=o.coordinates[3*p+1],m=o.coordinates[3*p+2];s[i].push(a,l,A,c,u,d,f,g,m),r+=3}let a=[];for(const[e,t]of Object.entries(s)){n.createGeometry({id:`${h}-${e}`,primitive:"triangles",positions:t,indices:[...Array(t.length/3).keys()]});const i=`${A}-mesh-${e}`,s=e.split(",").map(Number);let r=[s[0]/255,s[1]/255,s[2]/255],o=s[3]/255;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(r=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(o=m.opacity)),n.createMesh({id:i,geometryId:`${h}-${e}`,color:r,opacity:o,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:c?[c.x,c.y,c.z]:void 0}),a.push(i)}n.createEntity({id:A,meshIds:a,visible:_,pickable:v,isObject:!0})}let b=[];for(let e in l)b.push({name:e,value:l[e]});d.propertySets.push({id:A,name:"Properties",properties:b}),d.metaObjects.push({id:A,name:l&&l.Name&&"None"!==l.Name?l.Name:`${i.type} ${A}`,type:i.type,parent:u,propertySetIds:[A]})}n.finalize(),this.viewer.metaScene.createMetaModel(i,d),n.scene.once("tick",(()=>{n.destroyed||(n.scene.fire("modelLoaded",n.id),n.fire("loaded",!0,!1))}))};if(e.src){const i=e.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(i,(e=>{n({fileData:e,sceneModel:t,nextId:0,error:function(e){}}),this.viewer.scene.canvas.spinner.processes--}),(e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e)}))}else if(e.dotBIM){const i={fileData:e.dotBIM,sceneModel:t,nextId:0,error:function(e){}};n(i)}return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}},exports.EdgeMaterial=vi,exports.EmphasisMaterial=mi,exports.FaceAlignedSectionPlanesPlugin=class extends V{constructor(e,t={}){if(super("FaceAlignedSectionPlanesPlugin",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,this._dragSensitivity=t.dragSensitivity||1,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new QP(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;VP.set(this.viewer.scene.aabb),c.getAABB3Center(VP,HP),VP[0]+=t[0]-HP[0],VP[1]+=t[1]-HP[1],VP[2]+=t[2]-HP[2],VP[3]+=t[0]-HP[0],VP[4]+=t[1]-HP[1],VP[5]+=t[2]-HP[2],this.viewer.cameraFlight.flyTo({aabb:VP,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}null===t.controlElementId||void 0===t.controlElementId?this.error("Parameter expected: controlElementId"):(this._controlElement=document.getElementById(t.controlElementId),this._controlElement||this.warn("Can't find control element: '"+t.controlElementId+"' - will create plugin without control element")),this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setDragSensitivity(e){this._dragSensitivity=e||1}getDragSensitivity(){return this._dragSensitivity}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Cs(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new kP(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(let e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){let t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){let e=this._freeControls.pop();for(;e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}},exports.FastNavPlugin=class extends V{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._originalCanvasResolutionScale=e.scene.canvas.resolutionScale,this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor||this._originalCanvasResolutionScale||1,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}},exports.FloatType=1015,exports.Fresnel=class extends D{get type(){return"Fresnel"}constructor(e,t={}){super(e,t),this._state=new Et({edgeColor:c.vec3([0,0,0]),centerColor:c.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),this.edgeColor=t.edgeColor,this.centerColor=t.centerColor,this.edgeBias=t.edgeBias,this.centerBias=t.centerBias,this.power=t.power}set edgeColor(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set centerColor(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}get centerColor(){return this._state.centerColor}set edgeBias(e){this._state.edgeBias=e||0,this.glRedraw()}get edgeBias(){return this._state.edgeBias}set centerBias(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}get centerBias(){return this._state.centerBias}set power(e){this._state.power=null!=e?e:1,this.glRedraw()}get power(){return this._state.power}destroy(){super.destroy(),this._state.destroy()}},exports.Frustum=U,exports.FrustumPlane=L,exports.GIFMediaType=1e4,exports.GLTFDefaultDataSource=qh,exports.GLTFLoaderPlugin=class extends V{constructor(e,t={}){super("GLTFLoader",e,t),this._sceneModelLoader=new aP(this,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new qh}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||dP}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Th(this.viewer.scene,_.apply(e,{isModel:!0,dtxEnabled:e.dtxEnabled})),i=t.id;if(!e.src&&!e.gltf)return this.error("load() param expected: src or gltf"),t;if(e.metaModelSrc||e.metaModelJSON){const s=s=>{this.viewer.metaScene.createMetaModel(i,s,{}),this.viewer.scene.canvas.spinner.processes--,e.src?this._sceneModelLoader.load(this,e.src,s,e,t):this._sceneModelLoader.parse(this,e.gltf,s,e,t)};if(e.metaModelSrc){const t=e.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(t,(e=>{this.viewer.scene.canvas.spinner.processes--,s(e)}),(e=>{this.error(`load(): Failed to load model metadata for model '${i} from  '${t}' - ${e}`),this.viewer.scene.canvas.spinner.processes--}))}else e.metaModelJSON&&s(e.metaModelJSON)}else e.src?this._sceneModelLoader.load(this,e.src,null,e,t):this._sceneModelLoader.parse(this,e.gltf,null,e,t);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}},exports.HalfFloatType=1016,exports.ImagePlane=class extends D{constructor(e,t={}){super(e,t),this._src=null,this._image=null,this._pos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._dir=c.vec3(),this._size=1,this._imageSize=c.vec2(),this._texture=new qs(this),this._plane=new bs(this,{geometry:new hi(this,or({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new fi(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0}),clippable:t.clippable}),this._grid=new bs(this,{geometry:new hi(this,rr({size:1,divisions:10})),material:new fi(this,{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:t.clippable}),this._node=new Us(this,{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[this._plane,this._grid]}),this._gridVisible=!1,this.visible=!0,this.gridVisible=t.gridVisible,this.position=t.position,this.rotation=t.rotation,this.dir=t.dir,this.size=t.size,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,t.image?this.image=t.image:this.src=t.src}set visible(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}get visible(){return this._plane.visible}set gridVisible(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}get gridVisible(){return this._gridVisible}set image(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set position(e){this._pos.set(e||[0,0,0]),Y(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}get position(){return this._pos}set rotation(e){this._node.rotation=e}get rotation(){return this._node.rotation}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set dir(e){if(this._dir.set(e||[0,0,-1]),e){const t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];c.subVec3(t,this.position,uc);const s=-c.dotVec3(i,uc);c.normalizeVec3(i),c.mulVec3Scalar(i,s,dc),c.vec3PairToQuaternion(pc,e,fc),this._node.quaternion=fc}}get dir(){return this._dir}set collidable(e){this._node.collidable=!1!==e}get collidable(){return this._node.collidable}set clippable(e){this._node.clippable=!1!==e}get clippable(){return this._node.clippable}set pickable(e){this._node.pickable=!1!==e}get pickable(){return this._node.pickable}set opacity(e){this._node.opacity=e}get opacity(){return this._node.opacity}destroy(){super.destroy()}_updatePlaneSizeFromImage(){const e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){const s=i/t;this._node.scale=[e,1,e*s]}else{const s=t/i;this._node.scale=[e*s,1,e]}}},exports.IntType=1013,exports.JPEGMediaType=10001,exports.KTX2TextureTranscoder=oh,exports.LASLoaderPlugin=class extends V{constructor(e,t={}){super("lasLoader",e,t),this.dataSource=t.dataSource,this.skip=t.skip,this.fp64=t.fp64,this.colorDepth=t.colorDepth,this.center=t.center,this.rotate=t.rotate,this.rotateX=t.rotateX,this.transform=t.transform}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new cC}get skip(){return this._skip}set skip(e){this._skip=e||1}get fp64(){return this._fp64}set fp64(e){this._fp64=!!e}get colorDepth(){return this._colorDepth}set colorDepth(e){this._colorDepth=e||"auto"}get center(){return this._center}set center(e){this._center=!!e}get transform(){return this._transform}set transform(e){this._transform=e}get rotate(){return this._rotate}set rotate(e){this._rotate=e}get rotateX(){return this._rotateX}set rotateX(e){this._rotateX=e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Th(this.viewer.scene,_.apply(e,{maxGeometryBatchSize:5e5,isModel:!0}));if(!e.src&&!e.las)return this.error("load() param expected: src or las"),t;const i={las:{skip:this._skip,fp64:this._fp64,colorDepth:this._colorDepth}};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.las,e,i,t).then((()=>{s.processes--}),(e=>{s.processes--,this.error(e),t.fire("error",e)}))}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getLAS(t.src,(e=>{this._parseModel(e,t,i,s).then((()=>{r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){const r=e=>{const t=e.value;if(this._center){const e=c.vec3(),i=t.length;for(let i=0,s=t.length;i<s;i+=3)e[0]+=t[i+0],e[1]+=t[i+1],e[2]+=t[i+2];e[0]/=i,e[1]/=i,e[2]/=i;for(let i=0,s=t.length;i<s;i+=3)t[i+0]-=e[0],t[i+1]-=e[1],t[i+2]-=e[2]}if(this._rotateX&&t)for(let e=0,i=t.length;e<i;e+=3){const i=t[e+1];t[e+1]=t[e+2],t[e+2]=i}if(this._rotate){const e=c.identityQuaternion(),i=c.mat4();c.eulerToQuaternion(this._rotate,"XYZ",e),c.quaternionToRotationMat4(e,i);const s=c.vec3();for(let e=0,r=t.length;e<r;e+=3)s[0]=t[e+0],s[1]=t[e+1],s[2]=t[e+2],c.transformPoint3(i,s,s),t[e+0]=s[0],t[e+1]=s[1],t[e+2]=s[2]}if(this._transform){const e=c.mat4(this._transform),i=c.vec3();for(let s=0,r=t.length;s<r;s+=3)i[0]=t[s+0],i[1]=t[s+1],i[2]=t[s+2],c.transformPoint3(e,i,i),t[s+0]=i[0],t[s+1]=i[1],t[s+2]=i[2]}return t};function o(e,t){const i=e.value,s=e.size,r=t.value,o=4*r.length,n=new Uint8Array(o);for(let e=0,t=0,o=0,a=r.length;e<a;e++,o+=s,t+=4)n[t+0]=i[o+0],n[t+1]=i[o+1],n[t+2]=i[o+2],n[t+3]=Math.round(r[e]/65536*255);return n}function n(e){const t=e.value,i=4*t.length,s=new Uint8Array(i);for(let e=0,i=0,r=t.length;e<r;e++,i+=4)s[i+0]=0,s[i+1]=0,s[i+2]=0,s[i+3]=Math.round(t[e]/65536*255);return s}return new Promise(((a,l)=>{if(s.destroyed)return void l();const A=t.stats||{};A.sourceFormat="LAS",A.schemaVersion="",A.title="",A.author="",A.created="",A.numMetaObjects=0,A.numPropertySets=0,A.numObjects=0,A.numGeometries=0,A.numTriangles=0,A.numVertices=0;try{const A=fC(e);wy(e,uC,i).then((e=>{const h=e.attributes,u=e.loaderData,d=void 0!==u.pointsFormatId?u.pointsFormatId:-1;if(!h.POSITION)return s.finalize(),void l("No positions found in file");let p,f;switch(d){case 0:p=r(h.POSITION),f=n(h.intensity);break;case 1:if(!h.intensity)return s.finalize(),void l("No positions found in file");p=r(h.POSITION),f=n(h.intensity);break;case 2:case 3:if(!h.intensity)return s.finalize(),void l("No positions found in file");p=r(h.POSITION),f=o(h.COLOR_0,h.intensity)}const g=_C(p,15e5),m=_C(f,2e6),_=[];for(let e=0,t=g.length;e<t;e++){const t=`pointsMesh${e}`;_.push(t),s.createMesh({id:t,primitive:"points",positions:g[e],colorsCompressed:e<m.length?m[e]:null})}const v=t.entityId||c.createUUID();if(s.createEntity({id:v,meshIds:_,isObject:!0}),s.finalize(),t.metaModelJSON){const e=s.id;this.viewer.metaScene.createMetaModel(e,t.metaModelJSON,i)}else if(!1!==t.loadMetadata){const e=c.createUUID(),t={projectId:"",author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[{id:e,name:"Model",type:"Model"},{id:v,name:"PointCloud (LAS)",type:"PointCloud",parent:e,attributes:A||{}}],propertySets:[]},r=s.id;this.viewer.metaScene.createMetaModel(r,t,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))})),a()}))}catch(e){s.finalize(),l(e)}}))}},exports.Label3D=De,exports.LambertMaterial=Os,exports.LightMap=class extends vc{get type(){return"LightMap"}constructor(e,t={}){super(e,t),this.scene._lightMapCreated(this)}destroy(){super.destroy(),this.scene._lightMapDestroyed(this)}},exports.LineSet=Lh,exports.LinearEncoding=3e3,exports.LinearFilter=1006,exports.LinearMipMapLinearFilter=1008,exports.LinearMipMapNearestFilter=1007,exports.LinearMipmapLinearFilter=1008,exports.LinearMipmapNearestFilter=1007,exports.Loader=eh,exports.LoadingManager=qA,exports.LocaleService=$h,exports.LuminanceAlphaFormat=1025,exports.LuminanceFormat=1024,exports.Map=e,exports.Marker=de,exports.MarqueePicker=N,exports.MarqueePickerMouseControl=class extends D{constructor(e){super(e.marqueePicker,e);const t=e.marqueePicker,i=t.viewer.scene.canvas.canvas;let s,r,o,n,a,l,A,h=!1,c=!1,u=!1;i.addEventListener("mousedown",(e=>{this.getActive()&&0===e.button&&(A=setTimeout((function(){const o=t.viewer.scene.input;o.keyDown[o.KEY_CTRL]||t.clear(),s=e.pageX,r=e.pageY,a=e.offsetX,t.setMarqueeCorner1([s,r]),h=!0,t.viewer.cameraControl.pointerEnabled=!1,t.setMarqueeVisible(!0),i.style.cursor="crosshair"}),400),c=!0)})),i.addEventListener("mouseup",(e=>{if(!this.getActive())return;if(!h&&!u)return;if(0!==e.button)return;clearTimeout(A),o=e.pageX,n=e.pageY;const i=Math.abs(o-s),a=Math.abs(n-r);h=!1,t.viewer.cameraControl.pointerEnabled=!0,u&&(u=!1),(i>3||a>3)&&t.pick()})),document.addEventListener("mouseup",(e=>{this.getActive()&&0===e.button&&(clearTimeout(A),h&&(t.setMarqueeVisible(!1),h=!1,c=!1,u=!0,t.viewer.cameraControl.pointerEnabled=!0))}),!0),i.addEventListener("mousemove",(e=>{this.getActive()&&0===e.button&&c&&(clearTimeout(A),h&&(o=e.pageX,n=e.pageY,l=e.offsetX,t.setMarqueeVisible(!0),t.setMarqueeCorner2([o,n]),t.setPickMode(a<l?N.PICK_MODE_INSIDE:N.PICK_MODE_INTERSECTS)))}))}setActive(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}getActive(){return this._active}destroy(){}},exports.Mesh=bs,exports.MeshSurfaceArea=yr,exports.MeshVolume=dr,exports.MetallicMaterial=Qs,exports.MirroredRepeatWrapping=1002,exports.ModelMemento=class{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?_.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(yc[0]=this.objectsColorize[3*e+0],yc[1]=this.objectsColorize[3*e+1],yc[2]=this.objectsColorize[3*e+2],t.colorize=yc),c&&(t.opacity=this.objectsOpacity[e]))}}},exports.NavCubePlugin=class extends V{constructor(e,t={}){super("NavCube",e,t),e.navCube=this;try{this._navCubeScene=new Fi(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0}),this._navCubeCanvas=this._navCubeScene.canvas.canvas,this._navCubeScene.input.keyboardEnabled=!1}catch(e){return void this.error(e)}const i=this._navCubeScene;i.clearLights(),new Zt(i,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new Zt(i,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new Zt(i,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._navCubeCamera=i.camera,this._navCubeCamera.ortho.scale=7,this._navCubeCamera.ortho.near=.1,this._navCubeCamera.ortho.far=2e3,i.edgeMaterial.edgeColor=[.2,.2,.2],i.edgeMaterial.edgeAlpha=.6,this._zUp=Boolean(e.camera.zUp);var s=this;this.setIsProjectNorth(t.isProjectNorth),this.setProjectNorthOffsetAngle(t.projectNorthOffsetAngle);const r=function(){const e=c.mat4();return function(t,i,r){return c.identityMat4(e),c.rotationMat4v(t*s._projectNorthOffsetAngle*c.DEGTORAD,[0,1,0],e),c.transformVec3(e,i,r)}}();this._synchCamera=function(){var t=c.rotationMat4c(-90*c.DEGTORAD,1,0,0),i=c.vec3(),o=c.vec3(),n=c.vec3();return function(){var a=e.camera.eye,l=e.camera.look,A=e.camera.up;i=c.mulVec3Scalar(c.normalizeVec3(c.subVec3(a,l,i)),5),s._isProjectNorth&&s._projectNorthOffsetAngle&&(i=r(-1,i,fP),A=r(-1,A,gP)),s._zUp?(c.transformVec3(t,i,o),c.transformVec3(t,A,n),s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=c.transformVec3(t,i,o),s._navCubeCamera.up=c.transformPoint3(t,A,n)):(s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=i,s._navCubeCamera.up=A)}}(),this._cubeTextureCanvas=new pP(e,i,t),this._cubeSampler=new qs(i,{image:this._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),this._cubeMesh=new bs(i,{geometry:new hi(i,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new fi(i,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:this._cubeSampler,emissiveMap:this._cubeSampler}),visible:!0,edges:!0}),this._shadow=!1===t.shadowVisible?null:new bs(i,{geometry:new hi(i,Bs({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new fi(i,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!0,pickable:!1,backfaces:!1}),this._onCameraMatrix=e.camera.on("matrix",this._synchCamera),this._onCameraWorldAxis=e.camera.on("worldAxis",(()=>{e.camera.zUp?(this._zUp=!0,this._cubeTextureCanvas.setZUp(),this._repaint(),this._synchCamera()):e.camera.yUp&&(this._zUp=!1,this._cubeTextureCanvas.setYUp(),this._repaint(),this._synchCamera())})),this._onCameraFOV=e.camera.perspective.on("fov",(e=>{this._synchProjection&&(this._navCubeCamera.perspective.fov=e)})),this._onCameraProjection=e.camera.on("projection",(e=>{this._synchProjection&&(this._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var o=-1;function n(e){var t=[0,0];if(e){for(var i=e.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var a,l,A=null,h=null,u=!1,d=!1,p=.5;s._navCubeCanvas.addEventListener("mouseenter",s._onMouseEnter=function(e){d=!0}),s._navCubeCanvas.addEventListener("mouseleave",s._onMouseLeave=function(e){d=!1}),s._navCubeCanvas.addEventListener("mousedown",s._onMouseDown=function(e){if(1===e.which){A=e.x,h=e.y,a=e.clientX,l=e.clientY;var t=n(e),s=i.pick({canvasPos:t});u=!!s}}),document.addEventListener("mouseup",s._onMouseUp=function(e){if(1===e.which&&(u=!1,null!==A)){var t=n(e),a=i.pick({canvasPos:t,pickSurface:!0});if(a&&a.uv){var l=s._cubeTextureCanvas.getArea(a.uv);if(l>=0&&(document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0)){if(s._cubeTextureCanvas.setAreaHighlighted(l,!0),o=l,s._repaint(),e.x<A-3||e.x>A+3||e.y<h-3||e.y>h+3)return;var c=s._cubeTextureCanvas.getAreaDir(l);if(c){var d=s._cubeTextureCanvas.getAreaUp(l);s._isProjectNorth&&s._projectNorthOffsetAngle&&(c=r(1,c,fP),d=r(1,d,gP)),f(c,d,(function(){o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0&&(s._cubeTextureCanvas.setAreaHighlighted(l,!1),o=-1,s._repaint())}))}}}}}),document.addEventListener("mousemove",s._onMouseMove=function(t){if(o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),1!==t.buttons||u){if(u){var r=t.clientX,A=t.clientY;return document.body.style.cursor="move",void function(t,i){var s=(t-a)*-p,r=(i-l)*-p;e.camera.orbitYaw(s),e.camera.orbitPitch(-r),a=t,l=i}(r,A)}if(d){var h=n(t),c=i.pick({canvasPos:h,pickSurface:!0});if(c){if(c.uv){document.body.style.cursor="pointer";var f=s._cubeTextureCanvas.getArea(c.uv);if(f===o)return;o>=0&&s._cubeTextureCanvas.setAreaHighlighted(o,!1),f>=0&&(s._cubeTextureCanvas.setAreaHighlighted(f,!0),s._repaint(),o=f)}}else document.body.style.cursor="default",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1)}}});var f=function(){var t=c.vec3();return function(i,r,o){var n=s._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,a=c.getAABB3Diag(n);c.getAABB3Center(n,t);var l=Math.abs(a/Math.tan(s._cameraFitFOV*c.DEGTORAD));e.cameraControl.pivotPos=t,s._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV,duration:s._cameraFlyDuration},o):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV},o)}}();this._onUpdated=e.localeService.on("updated",(()=>{this._cubeTextureCanvas.clear(),this._repaint()})),this.setVisible(t.visible),this.setCameraFitFOV(t.cameraFitFOV),this.setCameraFly(t.cameraFly),this.setCameraFlyDuration(t.cameraFlyDuration),this.setFitVisible(t.fitVisible),this.setSynchProjection(t.synchProjection)}send(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}_repaint(){const e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}setVisible(e=!0){this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}getVisible(){return!!this._navCubeCanvas&&this._cubeMesh.visible}setFitVisible(e=!1){this._fitVisible=e}getFitVisible(){return this._fitVisible}setCameraFly(e=!0){this._cameraFly=e}getCameraFly(){return this._cameraFly}setCameraFitFOV(e=45){this._cameraFitFOV=e}getCameraFitFOV(){return this._cameraFitFOV}setCameraFlyDuration(e=.5){this._cameraFlyDuration=e}getCameraFlyDuration(){return this._cameraFlyDuration}setSynchProjection(e=!1){this._synchProjection=e}getSynchProjection(){return this._synchProjection}setIsProjectNorth(e=!1){this._isProjectNorth=e}getIsProjectNorth(){return this._isProjectNorth}setProjectNorthOffsetAngle(e){this._projectNorthOffsetAngle=e}getProjectNorthOffsetAngle(){return this._projectNorthOffsetAngle}destroy(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,super.destroy()}},exports.NearestFilter=1003,exports.NearestMipMapLinearFilter=1005,exports.NearestMipMapNearestFilter=1004,exports.NearestMipmapLinearFilter=1005,exports.NearestMipmapNearestFilter=1004,exports.Node=Us,exports.OBJLoaderPlugin=class extends V{constructor(e,t){super("OBJLoader",e,t),this._sceneGraphLoader=new _P}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new Us(this.viewer.scene,_.apply(e,{isModel:!0}));const i=t.id,s=e.src;if(!s)return this.error("load() param expected: src"),t;if(e.metaModelSrc){const r=e.metaModelSrc;_.loadJSON(r,(r=>{this.viewer.metaScene.createMetaModel(i,r),this._sceneGraphLoader.load(t,s,e)}),(e=>{this.error(`load(): Failed to load model modelMetadata for model '${i} from  '${r}' - ${e}`)}))}else this._sceneGraphLoader.load(t,s,e);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}},exports.ObjectsKdTree3=class{constructor(e){if(!e)throw"Parameter expected: cfg";if(!e.viewer)throw"Parameter expected: cfg.viewer";this.viewer=e.viewer,this._maxTreeDepth=e.maxTreeDepth||15,this._root=null,this._needsRebuild=!0,this._onModelLoaded=this.viewer.scene.on("modelLoaded",(e=>{this._needsRebuild=!0})),this._onModelUnloaded=this.viewer.scene.on("modelUnloaded",(e=>{this._needsRebuild=!0}))}get root(){return this._needsRebuild&&this._rebuild(),this._root}_rebuild(){const e=this.viewer.scene;this._root={aabb:e.getAABB()};for(let t in e.objects){const i=e.objects[t];this._insertEntity(this._root,i,1)}this._needsRebuild=!1}_insertEntity(e,t,i){const s=t.aabb;if(i>=this._maxTreeDepth)return e.entities=e.entities||[],void e.entities.push(t);if(e.left&&c.containsAABB3(e.left.aabb,s))return void this._insertEntity(e.left,t,i+1);if(e.right&&c.containsAABB3(e.right.aabb,s))return void this._insertEntity(e.right,t,i+1);const r=e.aabb;u[0]=r[3]-r[0],u[1]=r[4]-r[1],u[2]=r[5]-r[2];let o=0;if(u[1]>u[o]&&(o=1),u[2]>u[o]&&(o=2),!e.left){const n=r.slice();if(n[o+3]=(r[o]+r[o+3])/2,e.left={aabb:n},c.containsAABB3(n,s))return void this._insertEntity(e.left,t,i+1)}if(!e.right){const n=r.slice();if(n[o]=(r[o]+r[o+3])/2,e.right={aabb:n},c.containsAABB3(n,s))return void this._insertEntity(e.right,t,i+1)}e.entities=e.entities||[],e.entities.push(t)}destroy(){const e=this.viewer.scene;e.off(this._onModelLoaded),e.off(this._onModelUnloaded),this._root=null,this._needsRebuild=!0}},exports.ObjectsMemento=xc,exports.PNGMediaType=10002,exports.Path=class extends ic{constructor(e,t={}){super(e,t),this._cachedLengths=[],this._dirty=!0,this._curves=[],this._t=0,this._dirtySubs=[],this._destroyedSubs=[],this.curves=t.curves||[],this.t=t.t}addCurve(e){this._curves.push(e),this._dirty=!0}set curves(e){var t,i,s;for(e=e||[],i=0,s=this._curves.length;i<s;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var r=this;function o(){r._dirty=!0}function n(){var e=this.id;for(i=0,s=r._curves.length;i<s;i++)if(r._curves[i].id===e)return r._curves=r._curves.slice(i,i+1),r._dirtySubs=r._dirtySubs.slice(i,i+1),r._destroyedSubs=r._destroyedSubs.slice(i,i+1),void(r._dirty=!0)}for(i=0,s=e.length;i<s;i++){if(t=e[i],_.isNumeric(t)||_.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",o)),this._destroyedSubs.push(t.once("destroyed",n))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}get curves(){return this._curves}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}get length(){var e=this._getCurveLengths();return e[e.length-1]}getPoint(e){for(var t,i=e*this.length,s=this._getCurveLengths(),r=0;r<s.length;){if(s[r]>=i){var o=1-(s[r]-i)/(t=this._curves[r]).length;return t.getPointAt(o)}r++}return null}_getCurveLengths(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,s=this._curves.length;for(e=0;e<s;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}_getJSON(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}destroy(){var e,t,i;for(super.destroy(),e=0,t=this._curves.length;e<t;e++)(i=this._curves[e]).off(this._dirtySubs[e]),i.off(this._destroyedSubs[e])}},exports.PerformanceModel=class extends Th{constructor(e,t={}){super(e,t)}},exports.PhongMaterial=fi,exports.PickResult=$e,exports.Plugin=V,exports.PointLight=class extends Yt{get type(){return"PointLight"}constructor(e,t={}){super(e,t);const i=this;this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const s=this.scene.camera,r=this.scene.canvas;this._onCameraViewMatrix=s.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=s.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=r.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new Et({type:"point",pos:c.vec3([1,1,1]),color:c.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(i._shadowViewMatrixDirty){i._shadowViewMatrix||(i._shadowViewMatrix=c.identityMat4());const e=i._state.pos,t=s.look,r=s.up;c.lookAtMat4v(e,t,r,i._shadowViewMatrix),i._shadowViewMatrixDirty=!1}return i._shadowViewMatrix},getShadowProjMatrix:()=>{if(i._shadowProjMatrixDirty){i._shadowProjMatrix||(i._shadowProjMatrix=c.identityMat4());const e=i.scene.canvas.canvas;c.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,i._shadowProjMatrix),i._shadowProjMatrixDirty=!1}return i._shadowProjMatrix},getShadowRenderBuf:()=>(i._shadowRenderBuf||(i._shadowRenderBuf=new yt(i.scene.canvas.canvas,i.scene.canvas.gl,{size:[1024,1024]})),i._shadowRenderBuf)}),this.pos=t.pos,this.color=t.color,this.intensity=t.intensity,this.constantAttenuation=t.constantAttenuation,this.linearAttenuation=t.linearAttenuation,this.quadraticAttenuation=t.quadraticAttenuation,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set pos(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get pos(){return this._state.pos}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set constantAttenuation(e){this._state.attenuation[0]=e||0,this.glRedraw()}get constantAttenuation(){return this._state.attenuation[0]}set linearAttenuation(e){this._state.attenuation[1]=e||0,this.glRedraw()}get linearAttenuation(){return this._state.attenuation[1]}set quadraticAttenuation(e){this._state.attenuation[2]=e||0,this.glRedraw()}get quadraticAttenuation(){return this._state.attenuation[2]}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}},exports.PointerCircle=Q,exports.PointerLens=class{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this._lensParams={canvasSize:300,cursorBorder:2,cursorSize:10},this._lensCursorDiv.style.borderRadius="50%",this._lensCursorDiv.style.width=this._lensParams.cursorSize+"px",this._lensCursorDiv.style.height=this._lensParams.cursorSize+"px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=t.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width=this._lensParams.canvasSize+"px",this._lensContainer.style.height=this._lensParams.canvasSize+"px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id=`${this._lensContainerId}-canvas`,this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width=this._lensParams.canvasSize+"px",this._lensCanvas.style.height=this._lensParams.canvasSize+"px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensContainer.appendChild(this._lensCursorDiv),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=t.lensPosToggle||!0,this._lensPosToggleAmount=t.lensPosToggleAmount||85,this._lensPosMarginLeft=t.lensPosMarginLeft||85,this._lensPosMarginTop=t.lensPosMarginTop||25,this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,this._zoomLevel=t.zoomLevel||2,this._active=!1!==t.active,this._visible=!1,this.snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(()=>{this._active&&this._visible&&this.update()}))}update(){if(!this._active||!this._visible)return;if(!this._canvasPos)return;const e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,i&&(this._lensPosToggle?this._lensContainer.style.marginTop=t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount+"px":this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);const s=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-s/2,this._canvasPos[1]-s/2,s,s,0,0,this._lensCanvas.width,this._lensCanvas.height);const r=this._lensParams.canvasSize/2-this._lensParams.cursorSize/2-this._lensParams.cursorBorder,o=this._snappedCanvasPos?this._snappedCanvasPos[0]-this._canvasPos[0]:0,n=this._snappedCanvasPos?this._snappedCanvasPos[1]-this._canvasPos[1]:0;this._lensCursorDiv.style.left=`${r+o*this._zoomLevel}px`,this._lensCursorDiv.style.top=`${r+n*this._zoomLevel}px`}set zoomFactor(e){this._zoomFactor=e,this.update()}get zoomFactor(){return this._zoomFactor}set canvasPos(e){this._canvasPos=e,this.update()}get canvasPos(){return this._canvasPos}set snappedCanvasPos(e){this._snappedCanvasPos=e,this.update()}get snappedCanvasPos(){return this._snappedCanvasPos}set snapped(e){this._snapped=e;const[t,i]=e?["greenyellow","green"]:["pink","red"];this._lensCursorDiv.style.background=t,this._lensCursorDiv.style.border=this._lensParams.cursorBorder+"px solid "+i}get snapped(){return this._snapped}_updateActiveVisible(){this._lensContainer.style.visibility=this._active&&this._visible?"visible":"hidden",this.update()}set active(e){this._active=e,this._updateActiveVisible()}get active(){return this._active}set visible(e){this._visible=e,this._updateActiveVisible()}get visible(){return this._visible}destroy(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}},exports.QuadraticBezierCurve=class extends ic{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.t=t.t}set v0(e){this._v0=e||c.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||c.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||c.vec3([0,0,0])}get v2(){return this._v2}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=c.vec3();return t[0]=c.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=c.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=c.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}},exports.Queue=d,exports.RGBAFormat=1023,exports.RGBAIntegerFormat=1033,exports.RGBA_ASTC_10x10_Format=37819,exports.RGBA_ASTC_10x5_Format=37816,exports.RGBA_ASTC_10x6_Format=37817,exports.RGBA_ASTC_10x8_Format=37818,exports.RGBA_ASTC_12x10_Format=37820,exports.RGBA_ASTC_12x12_Format=37821,exports.RGBA_ASTC_4x4_Format=37808,exports.RGBA_ASTC_5x4_Format=37809,exports.RGBA_ASTC_5x5_Format=37810,exports.RGBA_ASTC_6x5_Format=37811,exports.RGBA_ASTC_6x6_Format=37812,exports.RGBA_ASTC_8x5_Format=37813,exports.RGBA_ASTC_8x6_Format=37814,exports.RGBA_ASTC_8x8_Format=37815,exports.RGBA_BPTC_Format=36492,exports.RGBA_ETC2_EAC_Format=37496,exports.RGBA_PVRTC_2BPPV1_Format=35843,exports.RGBA_PVRTC_4BPPV1_Format=35842,exports.RGBA_S3TC_DXT1_Format=33777,exports.RGBA_S3TC_DXT3_Format=33778,exports.RGBA_S3TC_DXT5_Format=33779,exports.RGBFormat=1022,exports.RGB_ETC1_Format=36196,exports.RGB_ETC2_Format=37492,exports.RGB_PVRTC_2BPPV1_Format=35841,exports.RGB_PVRTC_4BPPV1_Format=35840,exports.RGB_S3TC_DXT1_Format=33776,exports.RGFormat=1030,exports.RGIntegerFormat=1031,exports.ReadableGeometry=hi,exports.RedFormat=1028,exports.RedIntegerFormat=1029,exports.ReflectionMap=class extends vc{get type(){return"ReflectionMap"}constructor(e,t={}){super(e,t),this.scene._lightsState.addReflectionMap(this._state),this.scene._reflectionMapCreated(this)}destroy(){super.destroy(),this.scene._reflectionMapDestroyed(this)}},exports.RepeatWrapping=1e3,exports.STLDefaultDataSource=jP,exports.STLLoaderPlugin=class extends V{constructor(e,t={}){super("STLLoader",e,t),this._sceneGraphLoader=new zP,this.dataSource=t.dataSource}set dataSource(e){this._dataSource=e||new jP}get dataSource(){return this._dataSource}load(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Us(this.viewer.scene,_.apply(e,{isModel:!0})),i=e.src,s=e.stl;return i||s?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,s,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}},exports.SceneModel=Th,exports.SceneModelMesh=Cr,exports.SceneModelTransform=Ph,exports.SectionPlane=Cs,exports.SectionPlanesPlugin=class extends V{constructor(e,t={}){if(super("SectionPlanes",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new FP(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;IP.set(this.viewer.scene.aabb),c.getAABB3Center(IP,DP),IP[0]+=t[0]-DP[0],IP[1]+=t[1]-DP[1],IP[2]+=t[2]-DP[2],IP[3]+=t[0]-DP[0],IP[4]+=t[1]-DP[1],IP[5]+=t[2]-DP[2],this.viewer.cameraFlight.flyTo({aabb:IP,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Cs(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new MP(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(var t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}},exports.ShortType=1011,exports.Skybox=Pc,exports.SkyboxesPlugin=class extends V{constructor(e){super("skyboxes",e),this.skyboxes={}}send(e,t){if("clear"===e)this.clear()}createSkybox(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new Pc(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}destroySkybox(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}clear(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}destroy(){this.clear(),super.clear()}},exports.SpecularMaterial=js,exports.SplineCurve=sc,exports.SpriteMarker=class extends de{constructor(e,t={}){super(e,{entity:t.entity,occludable:t.occludable,worldPos:t.worldPos}),this._occluded=!1,this._visible=!0,this._src=null,this._image=null,this._pos=c.vec3(),this._origin=c.vec3(),this._rtcPos=c.vec3(),this._dir=c.vec3(),this._size=1,this._imageSize=c.vec2(),this._texture=new qs(this,{src:t.src}),this._geometry=new hi(this,{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),this._mesh=new bs(this,{geometry:this._geometry,material:new fi(this,{ambient:[.9,.3,.9],shininess:30,diffuseMap:this._texture,backfaces:!0}),scale:[1,1,1],position:t.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),this.visible=!0,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,this.size=t.size,t.image?this.image=t.image:this.src=t.src}_setVisible(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,super._setVisible(e)}set visible(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}get visible(){return this._visible}set image(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set collidable(e){this._mesh.collidable=!1!==e}get collidable(){return this._mesh.collidable}set clippable(e){this._mesh.clippable=!1!==e}get clippable(){return this._mesh.clippable}set pickable(e){this._mesh.pickable=!1!==e}get pickable(){return this._mesh.pickable}set opacity(e){this._mesh.opacity=e}get opacity(){return this._mesh.opacity}_updatePlaneSizeFromImage(){const e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],s=i/t;this._geometry.positions=t>i?[e,e*s,0,-e,e*s,0,-e,-e*s,0,e,-e*s,0]:[e/s,e,0,-e/s,e,0,-e/s,-e,0,e/s,-e,0]}},exports.StoreyViewsPlugin=class extends V{constructor(e,t={}){super("StoreyViews",e),this._objectsMemento=new xc,this._cameraMemento=new bc,this.storeys={},this._storeysList=null,this.modelStoreys={},this._fitStoreyMaps=!!t.fitStoreyMaps,this._onModelLoaded=this.viewer.scene.on("modelLoaded",(e=>{this._registerModelStoreys(e),this.fire("storeys",this.storeys)}))}_registerModelStoreys(e){const t=this.viewer,i=t.scene,s=t.metaScene,r=s.metaModels[e],o=i.models[e];if(!r||!r.rootMetaObjects)return;const n=r.rootMetaObjects;for(let t=0,r=n.length;t<r;t++){const r=n[t].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]);for(let t=0,n=r.length;t<n;t++){const n=r[t],a=s.metaObjects[n].getObjectIDsInSubtree(),l=i.getAABB(a),A=Math.random()>.5?a.length:0,h=new SP(this,o.aabb,l,e,n,A);h._onModelDestroyed=o.once("destroyed",(()=>{this._deregisterModelStoreys(e),this.fire("storeys",this.storeys)})),this.storeys[n]=h,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][n]=h}}this._clipBoundingBoxes()}_clipBoundingBoxes(){const e=this.storeysList,t=this.viewer.metaScene,i=this.viewer.camera.worldUp,s=i[0]>i[1]&&i[0]>i[2],r=!s&&i[1]>i[0]&&i[1]>i[2];let o;!s&&!r&&i[2]>i[0]&&(i[2],i[1]),o=s?0:r?1:2;for(let i=0,s=e.length;i<s;i++){const s=t.metaObjects[e[i].storeyId].attributes.elevation;if(isNaN(s))return;const r=e[i].storeyAABB;if(r[o]=Math.max(r[1],parseFloat(s)),i>0){const s=t.metaObjects[e[i-1].storeyId].attributes.elevation;r[4]=Math.min(r[o+3],parseFloat(s))}this.storeys[e[i].storeyId].storeyAABB=r}}_deregisterModelStoreys(e){const t=this.modelStoreys[e];if(t){const i=this.viewer.scene;for(let e in t)if(t.hasOwnProperty(e)){const s=t[e],r=i.models[s.modelId];r&&r.off(s._onModelDestroyed),delete this.storeys[e],this._storeysList=null}delete this.modelStoreys[e]}}get fitStoreyMaps(){return this._fitStoreyMaps}gotoStoreyCamera(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());const s=this.viewer,r=s.scene.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return void(t.done&&t.done());if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return void(t.done&&t.done());const n=c.getAABB3Center(o),a=c.getAABB3Diag(o),l=Math.abs(a/Math.tan(45*c.DEGTORAD)),A=1.3*a,h=RP;h[0]=n[0]+r.worldUp[0]*l,h[1]=n[1]+r.worldUp[1]*l,h[2]=n[2]+r.worldUp[2]*l;const u=r.worldForward;t.done?s.cameraFlight.flyTo(_.apply(t,{eye:h,look:n,up:u,orthoScale:A}),(()=>{t.done()})):(s.cameraFlight.jumpTo(_.apply(t,{eye:h,look:n,up:u,orthoScale:A})),s.camera.ortho.scale=A)}showStoreyObjects(e,t={}){if(!this.storeys[e])return void this.error("IfcBuildingStorey not found with this ID: "+e);const i=this.viewer,s=i.scene;i.metaScene.metaObjects[e]&&(t.hideOthers&&s.setObjectsVisible(i.scene.visibleObjectIds,!1),this.withStoreyObjects(e,((e,t)=>{e&&(e.visible=!0)})))}withStoreyObjects(e,t){const i=this.viewer,s=i.scene,r=i.metaScene,o=r.metaObjects[e];if(!o)return;const n=o.getObjectIDsInSubtree();for(var a=0,l=n.length;a<l;a++){const e=n[a],i=r.metaObjects[e],o=s.objects[e];o&&t(o,i)}}createStoreyMap(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==";const s=this.viewer,r=s.scene,o=t.format||"png",n=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,a=Math.abs((n[5]-n[2])/(n[3]-n[0])),l=t.padding||0,A=!!t.captureSectionPlanes;let h,c;t.width&&t.height?(h=t.width,c=t.height):t.height?(c=t.height,h=Math.round(c/a)):t.width?(h=t.width,c=Math.round(h*a)):(h=300,c=Math.round(h*a));const u={visible:!0};this._objectsMemento.saveObjects(r,u),this._cameraMemento.saveCamera(r),this.showStoreyObjects(e,_.apply(t,{hideOthers:!0})),A&&this._toggleSectionPlanes(!1),this._arrangeStoreyMapCamera(i);const d=s.getSnapshot({width:h,height:c,format:o});return this._objectsMemento.restoreObjects(r,u),this._cameraMemento.restoreCamera(r),A&&this._toggleSectionPlanes(!0),new TP(e,d,o,h,c,l)}_toggleSectionPlanes(e){const t=this.viewer.scene.sectionPlanes;for(const i in t)t[i].active=e}_arrangeStoreyMapCamera(e){const t=this.viewer,i=t.scene.camera,s=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,r=c.getAABB3Center(s),o=RP;o[0]=r[0]+.5*i.worldUp[0],o[1]=r[1]+.5*i.worldUp[1],o[2]=r[2]+.5*i.worldUp[2];const n=i.worldForward;t.cameraFlight.jumpTo({eye:o,look:r,up:n});const a=(s[3]-s[0])/2,l=(s[4]-s[1])/2,A=(s[5]-s[2])/2,h=-a,u=+a,d=-l,p=+l,f=-A,g=+A;t.camera.customProjection.matrix=c.orthoMat4c(h,u,f,g,d,p,LP),t.camera.projection="customProjection"}pickStoreyMap(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],u=a[3]-l,d=a[4]-A,p=a[5]-h,f=c.vec3([l+u*o,A+.5*d,h+p*n]),g=c.vec3([0,-1,0]),m=c.addVec3(f,g,RP),_=this.viewer.camera.worldForward,v=c.lookAtMat4v(f,m,_,LP);return this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:v})}storeyMapToWorldPos(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],u=a[3]-l,d=a[4]-A,p=a[5]-h;return c.vec3([l+u*o,A+.5*d,h+p*n])}getStoreyContainingWorldPos(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t];if(c.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return t}return null}getStoreyInVerticalRange(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t],r=[0,0,0,0,0,0],o=[0,0,0];if(r[1]=s.storeyAABB[1],r[4]=s.storeyAABB[4],o[1]=e[1],c.point3AABB3AbsoluteIntersect(r,o))return t}return null}isPositionAboveOrBelowBuilding(e,t=null){const i=t?this._filterStoreys(t):this.storeys,s=Object.keys(i);if(s.length<=0)return null;const r=[s[0],s[s.length-1]];return e[1]<i[r[0]].storeyAABB[1]?r[0]:e[1]>i[r[1]].storeyAABB[4]?r[1]:null}worldPosToStoreyMap(e,t,i){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),!1;const o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,n=o[0],a=o[1],l=o[2],A=o[3]-n,h=o[4]-a,c=o[5]-l,u=this.viewer.camera.worldUp,d=u[0]>u[1]&&u[0]>u[2],p=!d&&u[1]>u[0]&&u[1]>u[2];!d&&!p&&u[2]>u[0]&&(u[2],u[1]);const f=e.width/A,g=p?e.height/c:e.height/h;return i[0]=Math.floor(e.width-(t[0]-n)*f),i[1]=Math.floor(e.height-(t[2]-l)*g),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}worldDirToStoreyMap(e,t,i){const s=this.viewer.camera,r=s.eye,o=s.look,n=c.subVec3(o,r,RP),a=s.worldUp,l=a[0]>a[1]&&a[0]>a[2],A=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!A&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=n[1],i[1]=n[2]):A?(i[0]=n[0],i[1]=n[2]):(i[0]=n[0],i[1]=n[1]),c.normalizeVec2(i)}destroy(){this.viewer.scene.off(this._onModelLoaded),super.destroy()}get storeysList(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{let s=0;s=e.xUp?0:e.yUp?1:2;const r=this.viewer.metaScene,o=r.metaObjects[t.storeyId],n=r.metaObjects[i.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&n&&n.attributes&&void 0!==n.attributes.elevation){const e=Number.parseFloat(o.attributes.elevation),t=Number.parseFloat(n.attributes.elevation);return e>t?-1:e<t?1:0}return t.aabb[s]>i.aabb[s]?-1:t.aabb[s]<i.aabb[s]?1:0})}_filterStoreys(e){return Object.fromEntries(Object.entries(this.storeys).filter((([t,i])=>i.modelId===e)))}},exports.Texture=qs,exports.TextureTranscoder=class{transcode(e,t,i={}){}destroy(){}},exports.TreeViewPlugin=class extends V{constructor(e,t={}){super("TreeViewPlugin",e),this.errors=[],this.valid=!0;const i=t.containerElement||document.getElementById(t.containerElementId);if(i instanceof HTMLElement){for(let e=0;;e++)if(!$P[e]){$P[e]=this,this._index=e,this._id=`tree-${e}`;break}if(this._containerElement=i,this._metaModels={},this._autoAddModels=!1!==t.autoAddModels,this._autoExpandDepth=t.autoExpandDepth||0,this._sortNodes=!1!==t.sortNodes,this._viewer=e,this._rootElement=null,this._muteSceneEvents=!1,this._muteTreeEvents=!1,this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._rootNames={},this._sortNodes=t.sortNodes,this._pruneEmptyNodes=t.pruneEmptyNodes,this._showListItemElementId=null,this._renderService=t.renderService||new qP,this._showIndeterminate=t.showIndeterminate??!1,this._showProjectNode=t.showProjectNode??!1,this._elevationSortFunction=t.elevationSortFunction??void 0,this._defaultSortFunction=t.defaultSortFunction??void 0,!this._renderService)throw new Error("TreeViewPlugin: no render service set");if(this._containerElement.oncontextmenu=e=>{e.preventDefault()},this._onObjectVisibility=this._viewer.scene.on("objectVisibility",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;const s=e.visible;if(!(s!==i.checked))return;this._muteTreeEvents=!0,i.checked=s,s?i.numVisibleEntities++:i.numVisibleEntities--,this._renderService.setCheckbox(i.nodeId,s);let r=i.parent;for(;r;){r.checked=s,s?r.numVisibleEntities++:r.numVisibleEntities--;const e=this._showIndeterminate&&r.numVisibleEntities>0&&r.numVisibleEntities<r.numEntities;this._renderService.setCheckbox(r.nodeId,r.numVisibleEntities>0,e),r=r.parent}this._muteTreeEvents=!1})),this._onObjectXrayed=this._viewer.scene.on("objectXRayed",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;this._muteTreeEvents=!0;const s=e.xrayed;s!==i.xrayed&&(i.xrayed=s,this._renderService.setXRayed(i.nodeId,s),this._muteTreeEvents=!1)})),this._switchExpandHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._expandSwitchElement(t)},this._switchCollapseHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._collapseSwitchElement(t)},this._checkboxChangeHandler=e=>{if(this._muteTreeEvents)return;this._muteSceneEvents=!0;const t=e.target,i=this._renderService.isChecked(t),s=this._renderService.getIdFromCheckbox(t),r=this._nodeNodes[s],o=this._viewer.scene.objects;let n=0;this._withNodeTree(r,(e=>{const t=e.objectId,s=o[t],r=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,r&&i!==e.checked&&n++,e.checked=i,this._renderService.setCheckbox(e.nodeId,i),s&&(s.visible=i)}));let a=r.parent;for(;a;){a.checked=i,i?a.numVisibleEntities+=n:a.numVisibleEntities-=n;const e=this._showIndeterminate&&a.numVisibleEntities>0&&a.numVisibleEntities<a.numEntities;this._renderService.setCheckbox(a.nodeId,a.numVisibleEntities>0,e),a=a.parent}this._muteSceneEvents=!1},this._hierarchy=t.hierarchy||"containment",this._autoExpandDepth=t.autoExpandDepth||0,this._autoAddModels){const e=Object.keys(this.viewer.metaScene.metaModels);for(let t=0,i=e.length;t<i;t++){const i=e[t];this.viewer.metaScene.metaModels[i].finalized&&this.addModel(i)}this.viewer.scene.on("modelLoaded",(e=>{this.viewer.metaScene.metaModels[e]&&this.addModel(e)}))}this.hierarchy=t.hierarchy}else this.error("Mandatory config expected: valid containerElementId or containerElement")}set hierarchy(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}get hierarchy(){return this._hierarchy}addModel(e,t={}){if(!this._containerElement)return;const i=this.viewer.scene.models[e];if(!i)throw"Model not found: "+e;const s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,t&&t.rootName&&(this._rootNames[e]=t.rootName),i.on("destroyed",(()=>{this.removeModel(i.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}removeModel(e){if(!this._containerElement)return;this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes())}showNode(e){this.unShowNode();const t=this._objectNodes[e];if(!t)return;this.collapse();const i=t.nodeId,s=this._renderService.getSwitchElement(i);if(s)return this._expandSwitchElement(s),s.scrollIntoView(),!0;const r=[];r.unshift(t);let o=t.parent;for(;o;)r.unshift(o),o=o.parent;for(let e=0,t=r.length;e<t;e++){const t=this._renderService.getSwitchElement(r[e].nodeId);t&&this._expandSwitchElement(t)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}unShowNode(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}expandToDepth(e){this.collapse();const t=(i,s)=>{if(s===e)return;const r=this._renderService.getSwitchElement(i.nodeId);if(r){this._expandSwitchElement(r);const e=i.children;for(var o=0,n=e.length;o<n;o++){const i=e[o];t(i,s+1)}}};for(let e=0,i=this._rootNodes.length;e<i;e++){const i=this._rootNodes[e];t(i,0)}}collapse(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e].nodeId;this._collapseNode(t)}}withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this.withNodeTree(i[e],t)}destroy(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete $P[this._index],super.destroy())}_createNodes(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}_validate(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}_validateMetaModelForStoreysHierarchy(e=0,t,i){return!0}_createEnabledNodes(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}_createDisabledNodes(){const e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);const t=this._viewer.metaScene.rootMetaObjects;for(let i in t){const s=t[i],r=s.type,o=s.name,n=o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,a=this._renderService.createDisabledNodeElement(n);e.appendChild(a)}}_findEmptyNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._findEmptyNodes2(e[t])}_findEmptyNodes2(e,t=0){const i=this.viewer.scene,s=e.children,r=e.id,o=i.objects[r];if(e._countEntities=0,o&&e._countEntities++,s)for(let t=0,i=s.length;t<i;t++){const i=s[t];i._countEntities=this._findEmptyNodes2(i),e._countEntities+=i._countEntities}return e._countEntities}_createStoreysNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createStoreysNodes2(e[t],null,null,null,null)}_createStoreysNodes2(e,t,i,s,r){if(this._pruneEmptyNodes&&0===e._countEntities)return;const o=e.type,n=e.name,a=e.children,l=e.id;if(this._showProjectNode&&"IfcProject"===o)t={nodeId:`${this._id}-${l}`,objectId:l,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o),type:o,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuilding"===o)i={nodeId:`${this._id}-${l}`,objectId:l,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o),type:o,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t?t.children.push(i):this._rootNodes.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i;else if("IfcBuildingStorey"===o){if(!i)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");s={nodeId:`${this._id}-${l}`,objectId:l,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o,type:o,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(s),this._objectNodes[s.objectId]=s,this._nodeNodes[s.nodeId]=s,r={}}else if(s){if(this._viewer.scene.objects[l]){let e=(r=r||{})[o];e||(e={nodeId:`${this._id}-${s.objectId}-${o}`,objectId:`${s.objectId}-${o}`,title:o,type:o,parent:s,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},s.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,r[o]=e);const t={nodeId:`${this._id}-${l}`,objectId:l,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o,type:o,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t}}if(a)for(let e=0,o=a.length;e<o;e++){const o=a[e];this._createStoreysNodes2(o,t,i,s,r)}}_createTypesNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createTypesNodes2(e[t],null,null)}_createTypesNodes2(e,t,i){if(this._pruneEmptyNodes&&0===e._countEntities)return;const s=e.type,r=e.name,o=e.children,n=e.id;if(e.parent){if(t){if(this._viewer.scene.objects[n]){let e=i[s];e||(e={nodeId:`${this._id}-${t.objectId}-${s}`,objectId:`${t.objectId}-${s}`,title:s,type:s,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,i[s]=e);const o={nodeId:`${this._id}-${n}`,objectId:n,title:r&&""!==r&&"Default"!==r?r:s,type:s,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o}}}else t={nodeId:`${this._id}-${n}`,objectId:n,title:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||(r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:s),type:s,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(o)for(let e=0,s=o.length;e<s;e++){const s=o[e];this._createTypesNodes2(s,t,i)}}_createContainmentNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createContainmentNodes2(e[t],null)}_createContainmentNodes2(e,t){if(this._pruneEmptyNodes&&0===e._countEntities)return;const i=e.type,s=e.name||i,r=e.children,o=e.id,n={nodeId:`${this._id}-${o}`,objectId:o,title:t?s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:i:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||s,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(n):this._rootNodes.push(n),this._objectNodes[n.objectId]=n,this._nodeNodes[n.nodeId]=n,r)for(let e=0,t=r.length;e<t;e++){const t=r[e];this._createContainmentNodes2(t,n)}}_doSortNodes(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e];this._sortChildren(t)}}_sortChildren(e){const t=e.children;if(!t||0===t.length)return;const i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?this._defaultSortFunction?t.sort(this._defaultSortFunction):t.sort(this._alphaSortFunc):this._elevationSortFunction?t.sort(this._elevationSortFunction):t.sort(this._getSpatialSortFunc());for(let e=0,i=t.length;e<i;e++){const i=t[e];this._sortChildren(i)}}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{e.xUp||e.yUp;const s=this.viewer.metaScene,r=s.metaObjects[t.objectId],o=s.metaObjects[i.objectId];if(r&&r.attributes&&void 0!==r.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){const e=Number.parseFloat(r.attributes.elevation),t=Number.parseFloat(o.attributes.elevation);return e>t?-1:e<t?1:0}return 0})}_alphaSortFunc(e,t){const i=e.title.toUpperCase(),s=t.title.toUpperCase();return i<s?-1:i>s?1:0}_synchNodesToEntities(){const e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects;for(let s=0,r=e.length;s<r;s++){const r=e[s];if(t[r]){const e=this._objectNodes[r];if(e){const t=i[r];if(t){const i=t.visible;e.numEntities=1,e.xrayed=t.xrayed,i?(e.numVisibleEntities=1,e.checked=!0):(e.numVisibleEntities=0,e.checked=!1);let s=e.parent;for(;s;)s.numEntities++,i&&(s.numVisibleEntities++,s.checked=!0),s=s.parent}}}}}_withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this._withNodeTree(i[e],t)}_createTrees(){if(0===this._rootNodes.length)return;const e=this._rootNodes.map((e=>this._createNodeElement(e))),t=this._renderService.createRootNode();e.forEach((e=>{t.appendChild(e)})),this._containerElement.appendChild(t),this._rootElement=t}_createNodeElement(e){return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(t=>{this.fire("contextmenu",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}),(t=>{this.fire("nodeTitleClicked",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}))}_expandSwitchElement(e){if(this._renderService.isExpanded(e))return;const t=this._renderService.getId(e),i=this._nodeNodes[t].children.map((e=>this._createNodeElement(e)));this._renderService.addChildren(e,i),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}_collapseNode(e){const t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}_collapseSwitchElement(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}},exports.UnsignedByteType=1009,exports.UnsignedInt248Type=1020,exports.UnsignedIntType=1014,exports.UnsignedShort4444Type=1017,exports.UnsignedShort5551Type=1018,exports.UnsignedShortType=1012,exports.VBOGeometry=tr,exports.ViewCullPlugin=class extends V{constructor(e,t={}){super("ViewCull",e),this._objectCullStates=function(e){const t=e.id;let i=tw[t];return i||(i=new ew(e),tw[t]=i,e.on("destroyed",(()=>{delete tw[t],i._destroy()}))),i}(e.scene),this._maxTreeDepth=t.maxTreeDepth||8,this._modelInfos={},this._frustum=new U,this._kdRoot=null,this._frustumDirty=!1,this._kdTreeDirty=!1,this._onViewMatrix=e.scene.camera.on("viewMatrix",(()=>{this._frustumDirty=!0})),this._onProjMatrix=e.scene.camera.on("projMatMatrix",(()=>{this._frustumDirty=!0})),this._onModelLoaded=e.scene.on("modelLoaded",(e=>{const t=this.viewer.scene.models[e];t&&this._addModel(t)})),this._onSceneTick=e.scene.on("tick",(()=>{this._doCull()}))}set enabled(e){this._enabled=e}get enabled(){return this._enabled}_addModel(e){const t={model:e,onDestroyed:e.on("destroyed",(()=>{this._removeModel(e)}))};this._modelInfos[e.id]=t,this._kdTreeDirty=!0}_removeModel(e){const t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._kdTreeDirty=!0)}_doCull(){const e=this._frustumDirty||this._kdTreeDirty;if(this._frustumDirty&&this._buildFrustum(),this._kdTreeDirty&&this._buildKDTree(),e){const e=this._kdRoot;e&&this._visitKDNode(e)}}_buildFrustum(){const e=this.viewer.scene.camera;O(this._frustum,e.viewMatrix,e.projMatrix),this._frustumDirty=!1}_buildKDTree(){const e=this.viewer.scene;this._kdRoot,this._kdRoot={aabb:e.getAABB(),intersection:U.INTERSECT};for(let e=0,t=this._objectCullStates.numObjects;e<t;e++){const t=this._objectCullStates.objects[e];this._insertEntityIntoKDTree(this._kdRoot,t,e,1)}this._kdTreeDirty=!1}_insertEntityIntoKDTree(e,t,i,s){const r=t.aabb;if(s>=this._maxTreeDepth)return e.objects=e.objects||[],e.objects.push(i),void c.expandAABB3(e.aabb,r);if(e.left&&c.containsAABB3(e.left.aabb,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1);if(e.right&&c.containsAABB3(e.right.aabb,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1);const o=e.aabb;iw[0]=o[3]-o[0],iw[1]=o[4]-o[1],iw[2]=o[5]-o[2];let n=0;if(iw[1]>iw[n]&&(n=1),iw[2]>iw[n]&&(n=2),!e.left){const a=o.slice();if(a[n+3]=(o[n]+o[n+3])/2,e.left={aabb:a,intersection:U.INTERSECT},c.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1)}if(!e.right){const a=o.slice();if(a[n]=(o[n]+o[n+3])/2,e.right={aabb:a,intersection:U.INTERSECT},c.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1)}e.objects=e.objects||[],e.objects.push(i),c.expandAABB3(e.aabb,r)}_visitKDNode(e,t=U.INTERSECT){if(t!==U.INTERSECT&&e.intersects===t)return;t===U.INTERSECT&&(t=k(this._frustum,e.aabb),e.intersects=t);const i=t===U.OUTSIDE,s=e.objects;if(s&&s.length>0)for(let e=0,t=s.length;e<t;e++){const t=s[e];this._objectCullStates.setObjectViewCulled(t,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}send(e,t){}destroy(){super.destroy(),this._clear();const e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}},exports.Viewer=class{constructor(e){this.language="en",this.localeService=e.localeService||new $h,this.scene=new Fi(this,{canvasId:e.canvasId,canvasElement:e.canvasElement,keyboardEventsElement:e.keyboardEventsElement,contextAttr:{preserveDrawingBuffer:!1!==e.preserveDrawingBuffer,premultipliedAlpha:!!e.premultipliedAlpha,antialias:!1!==e.antialias},spinnerElementId:e.spinnerElementId,transparent:!1!==e.transparent,gammaInput:!0,gammaOutput:!1,backgroundColor:e.backgroundColor,backgroundColorFromAmbientLight:e.backgroundColorFromAmbientLight,ticksPerRender:1,ticksPerOcclusionTest:20,units:e.units,scale:e.scale,origin:e.origin,saoEnabled:e.saoEnabled,alphaDepthMask:!1!==e.alphaDepthMask,entityOffsetsEnabled:!!e.entityOffsetsEnabled,readableGeometryEnabled:!!e.readableGeometryEnabled,logarithmicDepthBufferEnabled:!!e.logarithmicDepthBufferEnabled,pbrEnabled:!!e.pbrEnabled,colorTextureEnabled:!1!==e.colorTextureEnabled,dtxEnabled:!!e.dtxEnabled,markerZOffset:e.markerZOffset,numCachedSectionPlanes:e.numCachedSectionPlanes}),this.metaScene=new uu(this,this.scene),this.id=e.id||this.scene.id,this.camera=this.scene.camera,this.cameraFlight=new hc(this.scene,{duration:.5}),this.cameraControl=new au(this.scene,{doublePickFlyTo:!0}),this._plugins=[],this._eventSubs={}}get capabilities(){return this.scene.capabilities}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}log(e){console.log(`[xeokit viewer ${this.id}]: ${e}`)}error(e){console.error(`[xeokit viewer ${this.id}]: ${e}`)}addPlugin(e){this._plugins.push(e)}removePlugin(e){for(let t=0,i=this._plugins.length;t<i;t++){const i=this._plugins[t];if(i===e)return i.clear&&i.clear(),void this._plugins.splice(t,1)}}sendToPlugins(e,t){for(let i=0,s=this._plugins.length;i<s;i++){const s=this._plugins[i];s.send&&s.send(e,t)}}clear(){throw'Viewer#clear() no longer implemented - use \'#sendToPlugins("clear") instead'}resetView(){throw"Viewer#resetView() no longer implemented - use CameraMemento & ObjectsMemento classes instead"}beginSnapshot(){this._snapshotBegun||(this.scene._renderer.beginSnapshot(),this._snapshotBegun=!0)}getSnapshot(e={}){const t=!this._snapshotBegun,i=void 0!==e.width&&void 0!==e.height,s=this.scene.canvas.canvas,r=s.clientWidth,o=s.clientHeight,n=e.width?Math.floor(e.width):s.width,a=e.height?Math.floor(e.height):s.height;i&&(s.width=n,s.height=a),this._snapshotBegun||this.beginSnapshot({width:n,height:a}),e.includeGizmos||this.sendToPlugins("snapshotStarting");const l={};for(let e=0,t=this._plugins.length;e<t;e++){const t=this._plugins[e];if(t.getContainerElement){const e=t.getContainerElement();e!==document.body&&(l[e.id]||(l[e.id]=!0,Av(e).then((function(e){document.body.appendChild(e)}))))}}this.scene.fire("rendering",{},!0),this.scene._renderer.renderSnapshot();const A=this.scene._renderer.readSnapshot(e);return i&&(s.width=r,s.height=o,this.scene.glRedraw()),e.includeGizmos||this.sendToPlugins("snapshotFinished"),t&&this.endSnapshot(),A}async getSnapshotWithPlugins(e={}){const t=!this._snapshotBegun,i=void 0!==e.width&&void 0!==e.height,s=this.scene.canvas.canvas,r=s.clientWidth,o=s.clientHeight,n=e.width?Math.floor(e.width):s.width,a=e.height?Math.floor(e.height):s.height;i&&(s.width=n,s.height=a),this._snapshotBegun||this.beginSnapshot(),e.includeGizmos||this.sendToPlugins("snapshotStarting"),this.scene._renderer.renderSnapshot();const l=this.scene._renderer.readSnapshotAsCanvas();i&&(s.width=r,s.height=o,this.scene.glRedraw());const A={},h=[];for(let e=0,t=this._plugins.length;e<t;e++){const t=this._plugins[e];if(t.getContainerElement){const e=t.getContainerElement();e!==document.body&&(A[e.id]||(A[e.id]=!0,h.push(e)))}}const c=document.createElement("style");document.head.appendChild(c),c.sheet?.insertRule("body > div:last-child img { display: inline-block; }");for(let e=0,t=h.length;e<t;e++){const t=h[e];await Av(t,{canvas:l,backgroundColor:null,scale:l.width/t.clientWidth}),l.getContext("2d").resetTransform()}c.remove(),e.includeGizmos||this.sendToPlugins("snapshotFinished"),t&&this.endSnapshot();let u=e.format||"png";return"jpeg"!==u&&"png"!==u&&"bmp"!==u&&(console.error("Unsupported image format: '"+u+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),u="png"),e.includeGizmos||this.sendToPlugins("snapshotFinished"),t&&this.endSnapshot(),l.toDataURL(`image/${u}`)}endSnapshot(){this._snapshotBegun&&(this.scene._renderer.endSnapshot(),this.scene._renderer.render({force:!0}),this._snapshotBegun=!1)}destroy(){const e=this._plugins.slice();for(let t=0,i=e.length;t<i;t++){e[t].destroy()}this.scene.destroy()}},exports.WebIFCLoaderPlugin=class extends V{constructor(e,t={}){if(super("ifcLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,!t.WebIFC)throw"Parameter expected: WebIFC";if(!t.IfcAPI)throw"Parameter expected: IfcAPI";this._webIFC=t.WebIFC,this._ifcAPI=t.IfcAPI}get supportedVersions(){return["2x3","4"]}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new hC}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||dP}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Th(this.viewer.scene,_.apply(e,{isModel:!0}));if(!e.src&&!e.ifc)return this.error("load() param expected: src or IFC"),t;const i={autoNormals:!0};if(!1!==e.loadMetadata){const t=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t){i.includeTypesMap={};for(let e=0,s=t.length;e<s;e++)i.includeTypesMap[t[e]]=!0}if(s){i.excludeTypesMap={};for(let e=0,t=s.length;e<t;e++)i.excludeTypesMap[s[e]]=!0}r&&(i.objectDefaults=r),i.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds}try{e.src?this._loadModel(e.src,e,i,t):this._parseModel(e.ifc,e,i,t)}catch(e){this.error(e),t.fire("error",e)}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getIFC(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=t.stats||{};if(r.sourceFormat="IFC",r.schemaVersion="",r.title="",r.author="",r.created="",r.numMetaObjects=0,r.numPropertySets=0,r.numObjects=0,r.numGeometries=0,r.numTriangles=0,r.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";const o=new Uint8Array(e),n=this._ifcAPI.OpenModel(o),a=this._ifcAPI.GetModelSchema(n),l=this._ifcAPI.GetLineIDsWithType(n,this._webIFC.IFCPROJECT).get(0),A=!1!==t.loadMetadata,h={modelID:n,modelSchema:a,sceneModel:s,loadMetadata:A,metadata:A?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:r};if(A){if(i.includeTypes){h.includeTypes={};for(let e=0,t=i.includeTypes.length;e<t;e++)h.includeTypes[i.includeTypes[e]]=!0}if(i.excludeTypes){h.excludeTypes={};for(let e=0,t=i.excludeTypes.length;e<t;e++)h.excludeTypes[i.excludeTypes[e]]=!0}this._parseMetaObjects(h),this._parsePropertySets(h)}if(this._parseGeometry(h),s.finalize(),A){const e=s.id;this.viewer.metaScene.createMetaModel(e,h.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_parseMetaObjects(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}_parseSpatialChildren(e,t,i){const s=this._ifcAPI.GetNameFromTypeCode(t.type);if(e.includeTypes&&!e.includeTypes[s])return;if(e.excludeTypes&&e.excludeTypes[s])return;this._createMetaObject(e,t,i);const r=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,r),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,r)}_createMetaObject(e,t,i){const s=t.GlobalId.value,r=this._ifcAPI.GetNameFromTypeCode(t.type),o={id:s,name:t.Name&&""!==t.Name.value?t.Name.value:r,type:r,parent:i};e.metadata.metaObjects.push(o),e.metaObjects[s]=o,e.stats.numMetaObjects++}_parseRelatedItemsOfType(e,t,i,s,r,o){const n=this._ifcAPI.GetLineIDsWithType(e.modelID,r);for(let r=0;r<n.size();r++){const a=n.get(r),l=this._ifcAPI.GetLine(e.modelID,a),A=l[i];let h=!1;if(Array.isArray(A)){h=A.map((e=>e.value)).includes(t)}else h=A.value===t;if(h){const t=l[s];if(Array.isArray(t))t.forEach((t=>{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}));else{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}}}}_parsePropertySets(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES);for(let i=0;i<t.size();i++){let s=t.get(i),r=this._ifcAPI.GetLine(e.modelID,s,!0);if(r){const t=r.RelatingPropertyDefinition;if(!t)continue;const i=t.GlobalId.value,s=t.HasProperties;if(s&&s.length>0){const o="Default",n=t.Name.value,a=[];for(let e=0,t=s.length;e<t;e++){const t=s[e],i=t.Name,r=t.NominalValue;if(i&&r){const e={name:i.value,type:r.type,value:r.value,valueType:r.valueType};t.Description?e.description=t.Description.value:r.description&&(e.description=r.description),a.push(e)}}const l={id:i,type:o,name:n,properties:a};e.metadata.propertySets.push(l),e.stats.numPropertySets++;const A=r.RelatedObjects;if(!A||0===A.length)return;for(let t=0,s=A.length;t<s;t++){const s=A[t].GlobalId.value,r=e.metaObjects[s];r&&(r.propertySetIds||(r.propertySetIds=[]),r.propertySetIds.push(i))}}}}}_parseGeometry(e){this._ifcAPI.StreamAllMeshes(e.modelID,(t=>{const i=t.expressID,s=t.geometries,r=[],o=this._ifcAPI.GetLine(e.modelID,i).GlobalId.value;if(e.loadMetadata){const t=o,i=e.metaObjects[t];if(e.includeTypes&&(!i||!e.includeTypes[i.type]))return;if(e.excludeTypes&&(!i||e.excludeTypes[i.type]))return}const n=c.mat4(),a=c.vec3();for(let t=0,i=s.size();t<i;t++){const i=s.get(t),o=this._ifcAPI.GetGeometry(e.modelID,i.geometryExpressID),l=this._ifcAPI.GetVertexArray(o.GetVertexData(),o.GetVertexDataSize()),A=this._ifcAPI.GetIndexArray(o.GetIndexData(),o.GetIndexDataSize()),h=new Float64Array(l.length/2),u=new Float32Array(l.length/2);for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)h[t+0]=l[6*e+0],h[t+1]=l[6*e+1],h[t+2]=l[6*e+2];n.set(i.flatTransformation),c.transformPositions3(n,h);const d=Z(h,h,a);if(!e.options.autoNormals)for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)u[t+0]=l[6*e+3],u[t+1]=l[6*e+4],u[t+2]=l[6*e+5];e.stats.numGeometries++,e.stats.numVertices+=h.length/3,e.stats.numTriangles+=A.length/3;const p="mesh"+e.nextId++;e.sceneModel.createMesh({id:p,primitive:"triangles",origin:d?a:null,positions:h,normals:e.options.autoNormals?null:u,indices:A,color:[i.color.x,i.color.y,i.color.z],opacity:i.color.w}),r.push(p)}const l=e.options.globalizeObjectIds?c.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:l,meshIds:r,isObject:!0}),e.stats.numObjects++}))}},exports.Wire3D=Se,exports.WorkerPool=sh,exports.XKTDefaultDataSource=sw,exports.XKTLoaderPlugin=class extends V{constructor(e,t={}){super("XKTLoader",e,t),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this.textureTranscoder=t.textureTranscoder,this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,this.reuseGeometries=t.reuseGeometries}get supportedVersions(){return Object.keys(Jw)}get textureTranscoder(){return this._textureTranscoder}set textureTranscoder(e){this._textureTranscoder=e}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new sw}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||dP}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}get reuseGeometries(){return this._reuseGeometries}set reuseGeometries(e){this._reuseGeometries=!1!==e}load(e={}){if(e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id),!(e.src||e.xkt||e.manifestSrc||e.manifest))throw new Error("XKTLoaderPlugin: load() param expected: src, xkt, manifestSrc or manifestData");const t={},i=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t.reuseGeometries=null!==e.reuseGeometries&&void 0!==e.reuseGeometries?e.reuseGeometries:!1!==this._reuseGeometries,i){t.includeTypesMap={};for(let e=0,s=i.length;e<s;e++)t.includeTypesMap[i[e]]=!0}if(s){t.excludeTypesMap={};for(let e=0,i=s.length;e<i;e++)t.excludeTypesMap[s[e]]=!0}r&&(t.objectDefaults=r),t.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,t.globalizeObjectIds=void 0!==e.globalizeObjectIds&&null!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds;const o=new Th(this.viewer.scene,_.apply(e,{isModel:!0,textureTranscoder:this._textureTranscoder,maxGeometryBatchSize:this._maxGeometryBatchSize,origin:e.origin,disableVertexWelding:e.disableVertexWelding||!1,disableIndexRebucketing:e.disableIndexRebucketing||!1,dtxEnabled:e.dtxEnabled,renderOrder:e.renderOrder})),n=o.id,a=new cu({metaScene:this.viewer.metaScene,id:n});this.viewer.scene.canvas.spinner.processes++;const l=()=>{o.destroyed||(o.finalize(),a.finalize(),this.viewer.scene.canvas.spinner.processes--,o.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(a.id)})),this.scheduleTask((()=>{o.destroyed||(o.scene.fire("modelLoaded",o.id),o.fire("loaded",!0,!1))})))},A=e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e),o.fire("error",e)};let h=0;const c={getNextId:()=>`${n}.${h++}`};if(e.metaModelSrc||e.metaModelData)if(e.metaModelSrc){const r=e.metaModelSrc;this._dataSource.getMetaModel(r,(r=>{o.destroyed||(a.loadData(r,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()))}),(e=>{A(`load(): Failed to load model metadata for model '${n} from  '${r}' - ${e}`)}))}else e.metaModelData&&(a.loadData(e.metaModelData,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()));else if(e.src)this._loadModel(e.src,t,o,a,c,l,A);else if(e.xkt)this._parseModel(e.xkt,t,o,a,c),l();else if(e.manifestSrc||e.manifest){const r=e.manifestSrc?function(e){e.indexOf("?")>-1&&(e=e.split("?")[0]);const t=e.split("/");return t.pop(),t.join("/")+"/"}(e.manifestSrc):"",n=(e,n,l)=>{let A=0;const h=()=>{o.destroyed||A>=e.length?n():this._dataSource.getMetaModel(`${r}${e[A]}`,(e=>{a.loadData(e,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),A++,this.scheduleTask(h,200)}),l)};h()},h=(e,i,s)=>{let n=0;const a=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,null,c),o.preFinalize(),n++,this.scheduleTask(a,200)}),s)};a()},u=(e,i,s)=>{let n=0;const l=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,a,c),o.preFinalize(),n++,this.scheduleTask(l,200)}),s)};l()};if(e.manifest){const t=e.manifest,i=t.xktFiles;if(!i||0===i.length)return void A("load(): Failed to load model manifest - manifest not valid");const s=t.metaModelFiles;s?n(s,(()=>{h(i,l,A)}),A):u(i,l,A)}else this._dataSource.getManifest(e.manifestSrc,(e=>{if(o.destroyed)return;const t=e.xktFiles;if(!t||0===t.length)return void A("load(): Failed to load model manifest - manifest not valid");const i=e.metaModelFiles;i?n(i,(()=>{h(t,l,A)}),A):u(t,l,A)}),A)}return o}_loadModel(e,t,i,s,r,o,n){this._dataSource.getXKT(e,(e=>{this._parseModel(e,t,i,s,r),i.preFinalize(),o()}),n)}async _parseModel(e,t,i,s,r){if(i.destroyed)return;const o=new DataView(e),n=new Uint8Array(e),a=o.getUint32(0,!0),l=Jw[a];if(!l)return void this.error("Unsupported .XKT file version: "+a+" - this XKTLoaderPlugin supports versions "+Object.keys(Jw));if(l.parseArrayBuffer)return void l.parseArrayBuffer(this.viewer,t,e,i,s,r);const A=o.getUint32(4,!0),h=[];let c=4*(A+2);for(let e=0;e<A;e++){const t=o.getUint32(4*(e+2),!0);h.push(n.subarray(c,c+t)),c+=t}l.parse(this.viewer,t,h,i,s,r)}},exports.XML3DLoaderPlugin=class extends V{constructor(e,t={}){super("XML3DLoader",e,t),t.workerScriptsPath?(this._workerScriptsPath=t.workerScriptsPath,this._loader=new $w(this,t),this.supportedSchemas=this._loader.supportedSchemas):this.error("Config expected: workerScriptsPath")}load(e={}){e.workerScriptsPath=this._workerScriptsPath,e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Us(this.viewer.scene,_.apply(e,{isModel:!0})),i=e.src;return i?(this._loader.load(this,t,i,e),t):(this.error("load() param expected: src"),t)}},exports.ZoneEditControl=nM,exports.ZoneEditMouseControl=class extends nM{constructor(e,t){super(e,t,!0,!1)}},exports.ZoneEditTouchControl=class extends nM{constructor(e,t){super(e,t,!1,!0)}},exports.ZoneTranslateControl=aM,exports.ZoneTranslateMouseControl=class extends aM{constructor(e,t){super(e,t,!0,!1)}},exports.ZoneTranslateTouchControl=class extends aM{constructor(e,t){super(e,t,!1,!0)}},exports.ZonesMouseControl=class extends rM{constructor(e,t={}){super(e,t,((e,t)=>tM(e,t)))}},exports.ZonesPlugin=class extends V{constructor(e,t={}){super("Zones",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._zones=[],this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,zone:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,zone:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,zone:t,event:e})}}createZone(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=new sM(this,{id:e.id,plugin:this,container:this._container,geometry:e.geometry,alpha:e.alpha,color:e.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(t),t.on("destroyed",(()=>{const e=this._zones.indexOf(t);e>=0&&this._zones.splice(e,1)})),this.fire("zoneCreated",t),t}get zones(){return this._zones}destroy(){super.destroy()}},exports.ZonesPolysurfaceMouseControl=class extends D{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=tM(o,(function(t,i){return iM(e,c.vec3([0,1,0]),t,i)}));!function o(){a._action=oM(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}},exports.ZonesPolysurfaceTouchControl=class extends D{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.pointerCircle=new Q(e.viewer),this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=Le(o,this.pointerCircle,(function(t,i){return iM(e,c.vec3([0,1,0]),t,i)}));!function o(){a._action=oM(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}},exports.ZonesTouchControl=class extends rM{constructor(e,t={}){const i=new Q(e.viewer);super(e,t,((e,t)=>Le(e,i,t))),this.pointerCircle=i}destroy(){this.pointerCircle.destroy(),super.destroy()}},exports.activateDraggableDot=Te,exports.activateDraggableDots=Re,exports.buildBoxGeometry=ci,exports.buildBoxLinesGeometry=sr,exports.buildBoxLinesGeometryFromAABB=function(e={}){return sr({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})},exports.buildCylinderGeometry=Bs,exports.buildGridGeometry=rr,exports.buildLineGeometry=function(e={}){if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";let t=[],i=[],s=e.startPoint[0],r=e.startPoint[1],o=e.startPoint[2],n=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],A=Math.sqrt((n-s)**2+(a-r)**2+(l-o)**2),h=[(n-s)/A,(a-r)/A,(l-o)/A];if(e.pattern){let c=e.pattern.length,u=!1,d=0,p=0,f=0,g=[s,r,o],m=e.pattern[p];for(i.push(g[0],g[1],g[2]);m<=A-d;){let s=[h[0]*m,h[1]*m,h[2]*m],r=[g[0]+s[0],g[1]+s[1],g[2]+s[2]];i.push(r[0],r[1],r[2]),u||(t.push(f),t.push(f+1)),u=!u,f+=1,g=r,p+=1,p>=c&&(p=0),d+=m,m=e.pattern[p]}e.extendToEnd&&(i.push(n,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(s,r,o,n,a,l);return _.apply(e,{primitive:"lines",positions:i,indices:t})},exports.buildPlaneGeometry=or,exports.buildPolylineGeometry=ar,exports.buildPolylineGeometryFromCurve=function(e={}){let t=e.curve.getPoints(e.divisions).map((e=>[...e])).flat();return ar({id:e.id,points:t})},exports.buildSphereGeometry=xs,exports.buildTorusGeometry=nr,exports.buildVectorTextGeometry=ws,exports.createRTCViewMat=J,exports.frustumIntersectsAABB3=k,exports.getKTX2TextureTranscoder=ah,exports.getPlaneRTCPos=q,exports.isTriangleMeshSolid=Ar,exports.load3DSGeometry=function(e,t={}){return new Promise((function(i,s){t.src||(console.error("load3DSGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,_.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),r.processes--,s());var o=ir.parse.from3DS(e).edit.objects[0].mesh,n=o.vertices,a=o.uvt,l=o.indices;r.processes--,i(_.apply(t,{primitive:"triangles",positions:n,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),r.processes--,s()}))}))},exports.loadOBJGeometry=function(e,t={}){return new Promise((function(i,s){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,_.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),r.processes--,s());for(var o=ir.parse.fromOBJ(e),n=ir.edit.unwrap(o.i_verts,o.c_verts,3),a=ir.edit.unwrap(o.i_norms,o.c_norms,3),l=ir.edit.unwrap(o.i_uvt,o.c_uvt,2),A=new Int32Array(o.i_verts.length),h=0;h<o.i_verts.length;h++)A[h]=h;r.processes--,i(_.apply(t,{primitive:"triangles",positions:n,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:A}))}),(function(e){console.error("loadOBJGeometry: "+e),r.processes--,s()}))}))},exports.math=c,exports.meshSurfaceArea=Br,exports.meshVolume=pr,exports.os=H,exports.rtcToWorldPos=function(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i},exports.sRGBEncoding=3001,exports.setFrustum=O,exports.stats=p,exports.touchPointSelector=Le,exports.transformToNode=Ce,exports.utils=_,exports.worldToRTCPos=Y,exports.worldToRTCPositions=Z;
diff --git a/dist/xeokit-sdk.min.es.js b/dist/xeokit-sdk.min.es.js
index 7ddf56093..2f708d6f7 100644
--- a/dist/xeokit-sdk.min.es.js
+++ b/dist/xeokit-sdk.min.es.js
@@ -1,4 +1,4 @@
-class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}class o{constructor(e={}){this._id=t.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==e.hideOnMouseDown&&(document.addEventListener("mousedown",(e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),e.items&&(this.items=e.items),this._hideOnAction=!1!==e.hideOnAction,this.context=e.context,this.enabled=!1!==e.enabled,this.hide()}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}set items(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}get items(){return this._itemsCfg}set enabled(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}get enabled(){return this._enabled}set context(e){this._context=e}get context(){return this._context}show(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}get shown(){return this._shown}hide(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}destroy(){this._context=null,this._clear(),null!==this._id&&(t.removeItem(this._id),this._id=null)}_clear(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e].menuElement;t.parentElement.removeChild(t)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}_parseItems(e){const t=e=>{const o=this._getNextId(),n=new i(o);for(let i=0,o=e.length;i<o;i++){const o=e[i],a=new s;n.groups.push(a);for(let e=0,i=o.length;e<i;e++){const i=o[e],s=i.items,l=s&&s.length>0,A=this._getNextId(),h=i.getTitle||(()=>i.title||""),c=i.doAction||i.callback||(()=>{}),u=i.getEnabled||(()=>!0),d=i.getShown||(()=>!0),p=new r(A,h,c,u,d);if(p.parentMenu=n,a.items.push(p),l){const e=t(s);p.subMenu=e,e.parentItem=p}this._itemList.push(p),this._itemMap[p.id]=p}}return this._menuList.push(n),this._menuMap[n.id]=n,n};this._rootMenu=t(e)}_getNextId(){return"ContextMenu_"+this._id+"_"+this._nextId++}_createUI(){const e=t=>{this._createMenuUI(t);const i=t.groups;for(let t=0,s=i.length;t<s;t++){const s=i[t].items;for(let t=0,i=s.length;t<i;t++){const i=s[t].subMenu;i&&e(i)}}};e(this._rootMenu)}_createMenuUI(e){const t=e.groups,i=[];if(i.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),i.push("<ul>"),t)for(let e=0,s=t.length;e<s;e++){const r=e,o=s,n=t[e].items;if(n)for(let e=0,t=n.length;e<t;e++){const s=n[e],a=s.subMenu,l=s.title||"";a?(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>')):(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>'))}}i.push("</ul>"),i.push("</div>");const s=i.join("");document.body.insertAdjacentHTML("beforeend",s);const r=document.querySelector("."+e.id);e.menuElement=r,r.style["border-radius"]="4px",r.style.display="none",r.style["z-index"]=3e5,r.style.background="white",r.style.border="1px solid black",r.style["box-shadow"]="0 4px 5px 0 gray",r.oncontextmenu=e=>{e.preventDefault()};const o=this;let n=null;if(t)for(let e=0,i=t.length;e<i;e++){const i=t[e].items;if(i)for(let e=0,t=i.length;e<t;e++){const t=i[e],s=t.subMenu;t.itemElement=document.getElementById(t.id),t.itemElement?(t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault();const i=t.subMenu;if(!i)return void(n&&(o._hideMenu(n.id),n=null));if(n&&n.id!==i.id&&(o._hideMenu(n.id),n=null),!1===t.enabled)return;const s=t.itemElement,r=i.menuElement,a=s.getBoundingClientRect();r.getBoundingClientRect();const l=200,A=a.right+l<window.innerWidth,h=a.left-l>0;if(A)o._showMenu(i.id,a.right-5,a.top-1);else if(h)o._showMenu(i.id,a.left-l,a.top-1);else{const e=a.left,t=window.innerWidth-a.right;t>e?o._showMenu(i.id,a.right-5-(l-t),a.top-1):o._showMenu(i.id,a.left-e,a.top-1)}n=i})),s||(t.itemElement.addEventListener("click",(e=>{e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus()))})),t.itemElement.addEventListener("mouseup",(e=>{3===e.which&&(e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus())))})),t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault(),!1!==t.enabled&&t.doHover&&t.doHover(o._context)})))):console.error("ContextMenu item element not found: "+t.id)}}}_updateItemsTitles(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getShown;if(!s||!s(this._context))continue;const r=t.getTitle(this._context);t.subMenu,i.innerText=r}}_updateItemsEnabledStatus(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getEnabled;if(!s)continue;const r=t.getShown;if(!r)continue;const o=r(this._context);if(t.shown=o,!o){i.style.display="none";continue}i.style.display="";const n=s(this._context);t.enabled=n,n?i.classList.remove("disabled"):i.classList.add("disabled")}}_updateSubMenuInfo(){if(!this._context)return;let e,t,i,s,r,o;this._itemList.forEach((n=>{n.subMenu&&(e=n.itemElement,t=e.getBoundingClientRect(),i=n.subMenu.menuElement,s={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",o=n.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=s.visibility,i.style.display=s.display,r=t.right+o>window.innerWidth,e.setAttribute("data-submenuposition",r?"left":"right"))}))}_showMenu(e,t,i){const s=this._menuMap[e];if(!s)return void console.error("Menu not found: "+e);if(s.shown)return;const r=s.menuElement;r&&(this._showMenuElement(r,t,i),s.shown=!0)}_hideMenu(e){const t=this._menuMap[e];if(!t)return void console.error("Menu not found: "+e);if(!t.shown)return;const i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}_hideAllMenus(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e];this._hideMenu(t.id)}}_showMenuElement(e,t,i){e.style.display="block";const s=e.offsetHeight,r=e.offsetWidth;i+s>window.innerHeight&&(i=window.innerHeight-s),t+r>window.innerWidth&&(t=window.innerWidth-r),e.style.left=t+"px",e.style.top=i+"px"}_hideMenuElement(e){e.style.display="none"}}class n{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=t.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id=`${this._lensContainerId}-canvas`,this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=t.lensPosToggle||!0,this._lensPosToggleAmount=t.lensPosToggleAmount||85,this._lensPosMarginLeft=t.lensPosMarginLeft||85,this._lensPosMarginTop=t.lensPosMarginTop||25,this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,this._zoomLevel=t.zoomLevel||2,this._active=!1!==t.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(()=>{this._active&&this._visible&&this.update()}))}update(){if(!this._active||!this._visible)return;if(!this._canvasPos)return;const e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,i&&(this._lensPosToggle?this._lensContainer.style.marginTop=t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount+"px":this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);const s=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-s/2,this._canvasPos[1]-s/2,s,s,0,0,this._lensCanvas.width,this._lensCanvas.height);const r=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){const e=this._snappedCanvasPos[0]-this._canvasPos[0],t=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft=r[0]+e*this._zoomLevel-10+"px",this._lensCursorDiv.style.marginTop=r[1]+t*this._zoomLevel-10+"px"}else this._lensCursorDiv.style.marginLeft=r[0]-10+"px",this._lensCursorDiv.style.marginTop=r[1]-10+"px"}set zoomFactor(e){this._zoomFactor=e,this.update()}get zoomFactor(){return this._zoomFactor}set canvasPos(e){this._canvasPos=e,this.update()}get canvasPos(){return this._canvasPos}set snappedCanvasPos(e){this._snappedCanvasPos=e,this.update()}get snappedCanvasPos(){return this._snappedCanvasPos}set snapped(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}get snapped(){return this._snapped}set active(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get active(){return this._active}set visible(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}get visible(){return this._visible}destroy(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}let a=!0,l=a?Float64Array:Float32Array;const A=new l(3),h=new l(16),c=new l(16),u=new l(4),d={setDoublePrecisionEnabled(e){a=e,l=a?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>a,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new l(e||2),vec3:e=>new l(e||3),vec4:e=>new l(e||4),mat3:e=>new l(e||9),mat3ToMat4:(e,t=new l(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new l(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new l(2);for(let r=0,o=e.length;r<o;r++)d.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=l.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,s=4294967295*Math.random()|0,r=4294967295*Math.random()|0;return`${e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255]}-${e[255&i]}${e[i>>8&255]}-${e[i>>16&15|64]}${e[i>>24&255]}-${e[63&s|128]}${e[s>>8&255]}-${e[s>>16&255]}${e[s>>24&255]}${e[255&r]}${e[r>>8&255]}${e[r>>16&255]}${e[r>>24&255]}`}})(),clamp:(e,t,i)=>Math.max(t,Math.min(i,e)),fmod(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return 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t[0]/=e.length,t[1]/=e.length,t},subVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i),subScalarVec4:(e,t,i)=>(i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i),mulVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i),mulVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i),mulVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i),mulVec2Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i),divVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i),divVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i),divScalarVec3:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i),divVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i),divVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i),divScalarVec4:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i),dotVec4:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3],cross3Vec4(e,t){const i=e[0],s=e[1],r=e[2],o=t[0],n=t[1],a=t[2];return[s*a-r*n,r*o-i*a,i*n-s*o,0]},cross3Vec3(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=t[0],a=t[1],l=t[2];return i[0]=r*l-o*a,i[1]=o*n-s*l,i[2]=s*a-r*n,i},sqLenVec4:e=>d.dotVec4(e,e),lenVec4:e=>Math.sqrt(d.sqLenVec4(e)),dotVec3:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2],dotVec2:(e,t)=>e[0]*t[0]+e[1]*t[1],sqLenVec3:e=>d.dotVec3(e,e),sqLenVec2:e=>d.dotVec2(e,e),lenVec3:e=>Math.sqrt(d.sqLenVec3(e)),distVec3:(()=>{const e=new l(3);return(t,i)=>d.lenVec3(d.subVec3(t,i,e))})(),lenVec2:e=>Math.sqrt(d.sqLenVec2(e)),distVec2:(()=>{const e=new l(2);return(t,i)=>d.lenVec2(d.subVec2(t,i,e))})(),rcpVec3:(e,t)=>d.divScalarVec3(1,e,t),normalizeVec4(e,t){const i=1/d.lenVec4(e);return d.mulVec4Scalar(e,i,t)},normalizeVec3(e,t){const i=1/d.lenVec3(e);return d.mulVec3Scalar(e,i,t)},normalizeVec2(e,t){const i=1/d.lenVec2(e);return d.mulVec2Scalar(e,i,t)},angleVec3(e,t){let i=d.dotVec3(e,t)/Math.sqrt(d.sqLenVec3(e)*d.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:(()=>{const e=new l(3);return(t,i)=>(e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=d.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=d.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=d.lenVec3(e),i)})(),vecToArray:(()=>{function e(e){return Math.round(1e5*e)/1e5}return t=>{for(let i=0,s=(t=Array.prototype.slice.call(t)).length;i<s;i++)t[i]=e(t[i]);return t}})(),xyzArrayToObject:e=>({x:e[0],y:e[1],z:e[2]}),xyzObjectToArray:(e,t)=>((t=t||d.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t),dupMat4:e=>e.slice(0,16),mat4To3:e=>[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]],m4s:e=>[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e],setMat4ToZeroes:()=>d.m4s(0),setMat4ToOnes:()=>d.m4s(1),diagonalMat4v:e=>new l([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]]),diagonalMat4c:(e,t,i,s)=>d.diagonalMat4v([e,t,i,s]),diagonalMat4s:e=>d.diagonalMat4c(e,e,e,e),identityMat4:(e=new l(16))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e),identityMat3:(e=new l(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>d.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],B=t[3],w=t[4],P=t[5],x=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+B*f,i[1]=v*r+b*l+y*u+B*g,i[2]=v*o+b*A+y*d+B*m,i[3]=v*n+b*h+y*p+B*_,i[4]=w*s+P*a+x*c+C*f,i[5]=w*r+P*l+x*u+C*g,i[6]=w*o+P*A+x*d+C*m,i[7]=w*n+P*h+x*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new l(9));const s=e[0],r=e[3],o=e[6],n=e[1],a=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=n*d+a*g+A*v,i[4]=n*p+a*m+A*b,i[7]=n*f+a*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=d.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,B=s*A-o*a,w=r*A-o*l,P=h*f-c*p,x=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-B*x+w*P);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*w-g*B+m*y)*I,t[3]=(-c*w+u*B-d*y)*I,t[4]=(-n*F+l*C-A*x)*I,t[5]=(i*F-r*C+o*x)*I,t[6]=(-p*w+g*b-m*v)*I,t[7]=(h*w-u*b+d*v)*I,t[8]=(n*E-a*C+A*P)*I,t[9]=(-i*E+s*C-o*P)*I,t[10]=(p*B-f*b+m*_)*I,t[11]=(-h*B+c*b-d*_)*I,t[12]=(-n*M+a*x-l*P)*I,t[13]=(i*M-s*x+r*P)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||d.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||d.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.translationMat4v(e,r))})(),translationMat4s:(e,t)=>d.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>d.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=d.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,c,u,p,f,g;return h=a*l,c=l*A,u=A*a,p=a*r,f=l*r,g=A*r,(i=i||d.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*u-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*c+p,i[7]=0,i[8]=n*u+f,i[9]=n*c-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>d.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=d.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=d.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>d.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=d.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,c=s*l,u=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=c+v,i[2]=u-_,i[3]=0,i[4]=c-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=u+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=d.vec4()){const s=d.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],c=e[6],u=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,u),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(c,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,u),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(c,-1,1)),Math.abs(c)<.99999?(i[1]=Math.atan2(-h,u),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(c,u),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,u))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(c,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,u),i[1]=0)),i},composeMat4:(e,t,i,s=d.mat4())=>(d.quaternionToRotationMat4(t,s),d.scaleMat4v(i,s),d.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new l(3),t=new l(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=d.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=d.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=d.lenVec3(e);d.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,c=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=c,t[9]*=c,t[10]*=c,d.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=d.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],c=t[1],u=t[2];if(r===h&&o===c&&n===u)return d.identityMat4();let p,f,g,m,_,v,b,y,B,w;return p=r-h,f=o-c,g=n-u,w=1/Math.sqrt(p*p+f*f+g*g),p*=w,f*=w,g*=w,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,w=Math.sqrt(m*m+_*_+v*v),w?(w=1/w,m*=w,_*=w,v*=w):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,B=p*_-f*m,w=Math.sqrt(b*b+y*y+B*B),w?(w=1/w,b*=w,y*=w,B*=w):(b=0,y=0,B=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=B,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+B*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>d.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=d.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];d.addVec4(r,s,h),d.subVec4(r,s,c);const o=2*s[2],n=c[0],a=c[1],l=c[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=h[0]/n,i[9]=h[1]/a,i[10]=-h[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/l,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],d.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=d.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=d.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],B=e[13],w=e[14],P=e[15];let x;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],x=s[e]||(s[e]=[0,0,0]),x[0]=A*o+d*n+m*a+y,x[1]=h*o+p*n+_*a+B,x[2]=c*o+f*n+v*a+w,x[3]=u*o+g*n+b*a+P;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],B=e[14],w=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+B,i[s+3]=c*o+f*n+v*a+w;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||d.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0],o[1]=r[1]*Math.cos(i)-r[2]*Math.sin(i),o[2]=r[1]*Math.sin(i)+r[2]*Math.cos(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Y(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[2]*Math.sin(i)+r[0]*Math.cos(i),o[1]=r[1],o[2]=r[2]*Math.cos(i)-r[0]*Math.sin(i),s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},rotateVec3Z(e,t,i,s){const r=[],o=[];return r[0]=e[0]-t[0],r[1]=e[1]-t[1],r[2]=e[2]-t[2],o[0]=r[0]*Math.cos(i)-r[1]*Math.sin(i),o[1]=r[0]*Math.sin(i)+r[1]*Math.cos(i),o[2]=r[2],s[0]=o[0]+t[0],s[1]=o[1]+t[1],s[2]=o[2]+t[2],s},projectVec4(e,t){const i=1/e[3];return(t=t||d.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(()=>{const e=new l(16),t=new l(16),i=new l(16);return function(s,r,o,n){return this.transformVec3(this.mulMat4(this.inverseMat4(r,e),this.inverseMat4(o,t),i),s,n)}})(),lerpVec3(e,t,i,s,r,o){const n=o||d.vec3(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n},lerpMat4(e,t,i,s,r,o){const n=o||d.mat4(),a=(e-t)/(i-t);return n[0]=s[0]+a*(r[0]-s[0]),n[1]=s[1]+a*(r[1]-s[1]),n[2]=s[2]+a*(r[2]-s[2]),n[3]=s[3]+a*(r[3]-s[3]),n[4]=s[4]+a*(r[4]-s[4]),n[5]=s[5]+a*(r[5]-s[5]),n[6]=s[6]+a*(r[6]-s[6]),n[7]=s[7]+a*(r[7]-s[7]),n[8]=s[8]+a*(r[8]-s[8]),n[9]=s[9]+a*(r[9]-s[9]),n[10]=s[10]+a*(r[10]-s[10]),n[11]=s[11]+a*(r[11]-s[11]),n[12]=s[12]+a*(r[12]-s[12]),n[13]=s[13]+a*(r[13]-s[13]),n[14]=s[14]+a*(r[14]-s[14]),n[15]=s[15]+a*(r[15]-s[15]),n},flatten(e){const t=[];let i,s,r,o,n;for(i=0,s=e.length;i<s;i++)for(n=e[i],r=0,o=n.length;r<o;r++)t.push(n[r]);return t},identityQuaternion:(e=d.vec4())=>(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e),eulerToQuaternion(e,t,i=d.vec4()){const s=e[0]*d.DEGTORAD/2,r=e[1]*d.DEGTORAD/2,o=e[2]*d.DEGTORAD/2,n=Math.cos(s),a=Math.cos(r),l=Math.cos(o),A=Math.sin(s),h=Math.sin(r),c=Math.sin(o);return"XYZ"===t?(i[0]=A*a*l+n*h*c,i[1]=n*h*l-A*a*c,i[2]=n*a*c+A*h*l,i[3]=n*a*l-A*h*c):"YXZ"===t?(i[0]=A*a*l+n*h*c,i[1]=n*h*l-A*a*c,i[2]=n*a*c-A*h*l,i[3]=n*a*l+A*h*c):"ZXY"===t?(i[0]=A*a*l-n*h*c,i[1]=n*h*l+A*a*c,i[2]=n*a*c+A*h*l,i[3]=n*a*l-A*h*c):"ZYX"===t?(i[0]=A*a*l-n*h*c,i[1]=n*h*l+A*a*c,i[2]=n*a*c-A*h*l,i[3]=n*a*l+A*h*c):"YZX"===t?(i[0]=A*a*l+n*h*c,i[1]=n*h*l+A*a*c,i[2]=n*a*c-A*h*l,i[3]=n*a*l-A*h*c):"XZY"===t&&(i[0]=A*a*l-n*h*c,i[1]=n*h*l-A*a*c,i[2]=n*a*c+A*h*l,i[3]=n*a*l+A*h*c),i},mat4ToQuaternion(e,t=d.vec4()){const i=e[0],s=e[4],r=e[8],o=e[1],n=e[5],a=e[9],l=e[2],A=e[6],h=e[10];let c;const u=i+n+h;return u>0?(c=.5/Math.sqrt(u+1),t[3]=.25/c,t[0]=(A-a)*c,t[1]=(r-l)*c,t[2]=(o-s)*c):i>n&&i>h?(c=2*Math.sqrt(1+i-n-h),t[3]=(A-a)/c,t[0]=.25*c,t[1]=(s+o)/c,t[2]=(r+l)/c):n>h?(c=2*Math.sqrt(1+n-i-h),t[3]=(r-l)/c,t[0]=(s+o)/c,t[1]=.25*c,t[2]=(a+A)/c):(c=2*Math.sqrt(1+h-i-n),t[3]=(o-s)/c,t[0]=(r+l)/c,t[1]=(a+A)/c,t[2]=.25*c),t},vec3PairToQuaternion(e,t,i=d.vec4()){const s=Math.sqrt(d.dotVec3(e,e)*d.dotVec3(t,t));let r=s+d.dotVec3(e,t);return r<1e-8*s?(r=0,Math.abs(e[0])>Math.abs(e[2])?(i[0]=-e[1],i[1]=e[0],i[2]=0):(i[0]=0,i[1]=-e[2],i[2]=e[1])):d.cross3Vec3(e,t,i),i[3]=r,d.normalizeQuaternion(i)},angleAxisToQuaternion(e,t=d.vec4()){const i=e[3]/2,s=Math.sin(i);return t[0]=s*e[0],t[1]=s*e[1],t[2]=s*e[2],t[3]=Math.cos(i),t},quaternionToEuler:(()=>{const e=new l(16);return(t,i,s)=>(s=s||d.vec3(),d.quaternionToRotationMat4(t,e),d.mat4ToEuler(e,i,s),s)})(),mulQuaternions(e,t,i=d.vec4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=t[0],l=t[1],A=t[2],h=t[3];return i[0]=n*a+s*h+r*A-o*l,i[1]=n*l+r*h+o*a-s*A,i[2]=n*A+o*h+s*l-r*a,i[3]=n*h-s*a-r*l-o*A,i},vec3ApplyQuaternion(e,t,i=d.vec3()){const s=t[0],r=t[1],o=t[2],n=e[0],a=e[1],l=e[2],A=e[3],h=A*s+a*o-l*r,c=A*r+l*s-n*o,u=A*o+n*r-a*s,p=-n*s-a*r-l*o;return i[0]=h*A+p*-n+c*-l-u*-a,i[1]=c*A+p*-a+u*-n-h*-l,i[2]=u*A+p*-l+h*-a-c*-n,i},quaternionToMat4(e,t){t=d.identityMat4(t);const i=e[0],s=e[1],r=e[2],o=e[3],n=2*i,a=2*s,l=2*r,A=n*o,h=a*o,c=l*o,u=n*i,p=a*i,f=l*i,g=a*s,m=l*s,_=l*r;return t[0]=1-(g+_),t[1]=p+c,t[2]=f-h,t[4]=p-c,t[5]=1-(u+_),t[6]=m+A,t[8]=f+h,t[9]=m-A,t[10]=1-(u+g),t},quaternionToRotationMat4(e,t){const i=e[0],s=e[1],r=e[2],o=e[3],n=i+i,a=s+s,l=r+r,A=i*n,h=i*a,c=i*l,u=s*a,d=s*l,p=r*l,f=o*n,g=o*a,m=o*l;return t[0]=1-(u+p),t[4]=h-m,t[8]=c+g,t[1]=h+m,t[5]=1-(A+p),t[9]=d-f,t[2]=c-g,t[6]=d+f,t[10]=1-(A+u),t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},normalizeQuaternion(e,t=e){const i=d.lenVec4([e[0],e[1],e[2],e[3]]);return t[0]=e[0]/i,t[1]=e[1]/i,t[2]=e[2]/i,t[3]=e[3]/i,t},conjugateQuaternion:(e,t=e)=>(t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3],t),inverseQuaternion:(e,t)=>d.normalizeQuaternion(d.conjugateQuaternion(e,t)),quaternionToAngleAxis(e,t=d.vec4()){const i=(e=d.normalizeQuaternion(e,u))[3],s=2*Math.acos(i),r=Math.sqrt(1-i*i);return r<.001?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=e[0]/r,t[1]=e[1]/r,t[2]=e[2]/r),t[3]=s,t},AABB3:e=>new l(e||6),AABB2:e=>new l(e||4),OBB3:e=>new l(e||32),OBB2:e=>new l(e||16),Sphere3:(e,t,i,s)=>new l([e,t,i,s]),transformOBB3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],B=e[14],w=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+B,i[s+3]=c*o+f*n+v*a+w;return i},containsAABB3:function(e,t){return e[0]<=t[0]&&t[3]<=e[3]&&e[1]<=t[1]&&t[4]<=e[4]&&e[2]<=t[2]&&t[5]<=e[5]},getAABB3Diag:(()=>{const e=new l(3),t=new 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stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){e="[LOG]"+this._message(e),window.console.log(e),this.scene.fire("log",e)}_message(e){return" ["+this.type+" "+y.inQuotes(this.id)+"]: "+e}warn(e){e="[WARN]"+this._message(e),window.console.warn(e),this.scene.fire("warn",e)}error(e){e="[ERROR]"+this._message(e),window.console.error(e),this.scene.fire("error",e)}_attach(e){const t=e.name;if(!t)return void this.error("Component 'name' expected");let i=e.component;const s=e.sceneDefault,r=e.sceneSingleton,o=e.type,n=e.on,a=!1!==e.recompiles;if(i&&(y.isNumeric(i)||y.isString(i))){const e=i;if(i=this.scene.components[e],!i)return void this.error("Component not found: "+y.inQuotes(e))}if(!i)if(!0===r){const e=this.scene.types[o];for(const t in e)if(e.hasOwnProperty){i=e[t];break}if(!i)return this.error("Scene has no default component for '"+t+"'"),null}else if(!0===s&&(i=this.scene[t],!i))return this.error("Scene has no default component for '"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+y.inQuotes(i.id));if(o&&!i.isType(o))return void this.error("Expected a "+o+" type or subtype: "+i.type+" "+y.inQuotes(i.id))}this._attachments||(this._attachments={});const l=this._attached[t];let A,h,c;if(l){if(i&&l.id===i.id)return;const e=this._attachments[l.id];for(A=e.subs,h=0,c=A.length;h<c;h++)l.off(A[h]);delete this._attached[t],delete this._attachments[l.id];const s=e.params.onDetached;s&&(y.isFunction(s)?s(l):s.scope?s.callback.call(s.scope,l):s.callback(l)),e.managingLifecycle&&l.destroy()}if(i){const s={params:e,component:i,subs:[],managingLifecycle:false};s.subs.push(i.once("destroyed",(function(){s.params.component=null,this._attach(s.params)}),this)),a&&s.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=s;const r=e.onAttached;if(r&&(y.isFunction(r)?r(i):r.scope?r.callback.call(r.scope,i):r.callback(i)),n){let e,t,r,o;for(e in n)if(n.hasOwnProperty(e)){if(t=n[e],y.isFunction(t)?(r=t,o=null):(r=t.callback,o=t.scope),!r)continue;s.subs.push(i.on(e,r,o))}}}return a&&this.fire("dirty",this),this.fire(t,i),i}_checkComponent(e,t){if(!t.isComponent){if(!y.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}_checkComponent2(e,t){if(!t.isComponent){if(!y.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(t.scene.id===this.scene.id){for(var i=0,s=e.length;i<s;i++)if(e[i]===t.type)return t;return this.error("Expected component types: "+e),null}this.error("Not in same scene: "+t.type)}_own(e){this._ownedComponents||(this._ownedComponents={}),this._ownedComponents[e.id]||(this._ownedComponents[e.id]=e),e.once("destroyed",(()=>{delete this._ownedComponents[e.id]}),this)}_needUpdate(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():I.scheduleTask(this._doUpdate,this))}_doUpdate(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}scheduleTask(e){I.scheduleTask(e,null)}_update(){}clear(){if(this._ownedComponents)for(var e in this._ownedComponents)if(this._ownedComponents.hasOwnProperty(e)){this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}destroy(){if(this.destroyed)return;let e,t,i,s,r,o;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(t=this._attachments[e],i=t.component,s=t.subs,r=0,o=s.length;r<o;r++)i.off(s[r]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&(i=this._ownedComponents[e],i.destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}const L=d.vec3(),U=d.vec3(),O=d.mat4();class k{constructor(){this.normal=d.vec3(),this.offset=0,this.testVertex=d.vec3()}set(e,t,i,s){const r=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*r,this.normal[1]=t*r,this.normal[2]=i*r,this.offset=s*r,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}class N{constructor(){this.planes=[new k,new k,new k,new k,new k,new k]}}function Q(e,t,i){const s=d.mulMat4(i,t,O),r=s[0],o=s[1],n=s[2],a=s[3],l=s[4],A=s[5],h=s[6],c=s[7],u=s[8],p=s[9],f=s[10],g=s[11],m=s[12],_=s[13],v=s[14],b=s[15];e.planes[0].set(a-r,c-l,g-u,b-m),e.planes[1].set(a+r,c+l,g+u,b+m),e.planes[2].set(a-o,c-A,g-p,b-_),e.planes[3].set(a+o,c+A,g+p,b+_),e.planes[4].set(a-n,c-h,g-f,b-v),e.planes[5].set(a+n,c+h,g+f,b+v)}function V(e,t){let i=N.INSIDE;const s=L,r=U;s[0]=t[0],s[1]=t[1],s[2]=t[2],r[0]=t[3],r[1]=t[4],r[2]=t[5];const o=[s,r];for(let t=0;t<6;++t){const s=e.planes[t];if(s.normal[0]*o[s.testVertex[0]][0]+s.normal[1]*o[s.testVertex[1]][1]+s.normal[2]*o[s.testVertex[2]][2]+s.offset<0)return N.OUTSIDE;s.normal[0]*o[1-s.testVertex[0]][0]+s.normal[1]*o[1-s.testVertex[1]][1]+s.normal[2]*o[1-s.testVertex[2]][2]+s.offset<0&&(i=N.INTERSECT)}return i}N.INSIDE=0,N.INTERSECT=1,N.OUTSIDE=2;class H extends R{constructor(e={}){if(!e.viewer)throw"[MarqueePicker] Missing config: viewer";if(!e.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=d.vec2(),this._canvasMarqueeCorner2=d.vec2(),this._canvasMarquee=d.AABB2(),this._marqueeFrustum=new N,this._marqueeFrustumProjMat=d.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==H.PICK_MODE_INSIDE&&e!==H.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===H.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=N.INTERSECT)=>{if(s===N.INTERSECT&&(s=V(this._marqueeFrustum,i.aabb)),s!==N.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===H.PICK_MODE_INSIDE){V(this._marqueeFrustum,r)===N.INSIDE&&e.push(s.id)}else{V(this._marqueeFrustum,r)!==N.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,c=-(this._canvasMarquee[1]-r)*n+1,u=this.viewer.scene.camera.frustum.near*(17*a);d.frustumMat4(l,A,h*a,c*a,u,1e4,this._marqueeFrustumProjMat),Q(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}H.PICK_MODE_INTERSECTS=0,H.PICK_MODE_INSIDE=1;class j extends R{constructor(e){super(e.marqueePicker,e);const t=e.marqueePicker,i=t.viewer.scene.canvas.canvas;let s,r,o,n,a,l,A,h=!1,c=!1,u=!1;i.addEventListener("mousedown",(e=>{this.getActive()&&0===e.button&&(A=setTimeout((function(){const o=t.viewer.scene.input;o.keyDown[o.KEY_CTRL]||t.clear(),s=e.pageX,r=e.pageY,a=e.offsetX,t.setMarqueeCorner1([s,r]),h=!0,t.viewer.cameraControl.pointerEnabled=!1,t.setMarqueeVisible(!0),i.style.cursor="crosshair"}),400),c=!0)})),i.addEventListener("mouseup",(e=>{if(!this.getActive())return;if(!h&&!u)return;if(0!==e.button)return;clearTimeout(A),o=e.pageX,n=e.pageY;const i=Math.abs(o-s),a=Math.abs(n-r);h=!1,t.viewer.cameraControl.pointerEnabled=!0,u&&(u=!1),(i>3||a>3)&&t.pick()})),document.addEventListener("mouseup",(e=>{this.getActive()&&0===e.button&&(clearTimeout(A),h&&(t.setMarqueeVisible(!1),h=!1,c=!1,u=!0,t.viewer.cameraControl.pointerEnabled=!0))}),!0),i.addEventListener("mousemove",(e=>{this.getActive()&&0===e.button&&c&&(clearTimeout(A),h&&(o=e.pageX,n=e.pageY,l=e.offsetX,t.setMarqueeVisible(!0),t.setMarqueeCorner2([o,n]),t.setPickMode(a<l?H.PICK_MODE_INSIDE:H.PICK_MODE_INTERSECTS)))}))}setActive(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}getActive(){return this._active}destroy(){}}class G{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class z{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){I.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const K={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},isTouchDevice:()=>"ontouchstart"in window||navigator.maxTouchPoints>0||navigator.mxMaxTouchPoints>0};function W(e,t){if(!e||!t)return;let i=null;let s,r;const o=e=>{if(e.preventDefault(),i&&(clearTimeout(i),i=null),e.touches.length>1)return;const o=e.touches[0];s=o.clientX,r=o.clientY,i=setTimeout((()=>{e.clientX=o.clientX,e.clientY=o.clientY,t(e),clearTimeout(i),i=null}),500)},n=e=>{e.touches.length>1&&i&&(clearTimeout(i),i=null)},a=e=>{if(!i)return;const t=e.touches[0],o=Math.abs(t.clientX-s),n=Math.abs(t.clientY-r);(o>3||n>3)&&(clearTimeout(i),i=null)},l=e=>{e.preventDefault(),i&&(clearTimeout(i),i=null)},A=e=>{t(e),e.preventDefault(),e.stopPropagation()};return K.isIphoneSafari()?(e.addEventListener("touchstart",o),e.addEventListener("touchmove",a),e.addEventListener("touchend",l),window.addEventListener("touchstart",n)):e.addEventListener("contextmenu",A),function(){K.isIphoneSafari()?(e.removeEventListener("touchstart",o),e.removeEventListener("touchmove",a),e.removeEventListener("touchend",l),window.removeEventListener("touchstart",n)):e.removeEventListener("contextmenu",A)}}class X{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;if(o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu){W(r,(e=>{t.onContextMenu(e,this)}))}this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-6+"px",i.top=Math.round(t)-6+"px";var s=this._dotClickable.style;s.left=Math.round(e)-14+"px",s.top=Math.round(t)-14+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}_updateVisibility(){this._dot.style.visibility=this._dotClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}class J{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;if(s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu){W(i,(e=>{t.onContextMenu(e,this)}))}}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}_updateVisibility(){this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}class Y{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;if(o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu){W(r,(e=>{t.onContextMenu(e,this)}))}this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]=i["-moz-transform"]=i["-ms-transform"]=i["-o-transform"]=i.transform="rotate("+t+"deg) translate(-"+this._thickness+"px, -"+this._thickness+"px)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]=s["-moz-transform"]=s["-ms-transform"]=s["-o-transform"]=s.transform="rotate("+t+"deg) translate(-"+this._thicknessClickable+"px, -"+this._thicknessClickable+"px)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}_updateVisibility(){this._wire.style.visibility=this._wireClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}const Z=d.vec3(),q=d.vec4(),$=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,d.transformVec4(s,t,i),d.setMat4Translation(s,i,o),o.slice()}}();function ee(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function te(e,t,i,s=1e3){const r=d.getPositionsCenter(e,Z),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function ie(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function se(e,t,i,s,r){const o=r?(q.set(i,0),q[3]=1,d.mulMat4v4(r,q,q)):i,n=d.dotVec3(t,o)+e,a=d.normalizeVec3(t,Z);return d.mulVec3Scalar(a,-n,s),s}const re=1,oe=4,ne=8,ae=16,le=32,Ae=256,he=512,ce=1024,ue=2048,de=new Float32Array([0,0,0]),pe=new Uint16Array([0,0,0]);d.OBB3();class fe{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.isSceneModelEntity=!0,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=d.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=d.AABB3(),this._aabbDirty=!0,this._offset=d.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)d.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(re)}set visible(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(he)}set highlighted(e){if(!!(this._flags&he)!==e){this._flags=e?this._flags|he:this._flags&~he;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(Ae)}set xrayed(e){if(!!(this._flags&Ae)!==e){this._flags=e?this._flags|Ae:this._flags&~Ae;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(ce)}set selected(e){if(!!(this._flags&ce)!==e){this._flags=e?this._flags|ce:this._flags&~ce;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(ue)}set edges(e){if(!!(this._flags&ue)!==e){this._flags=e?this._flags|ue:this._flags&~ue;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&oe)!==e){this._flags=e?this._flags|oe:this._flags&~oe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(ae)}set clippable(e){if(!!(this._flags&ae)!==e){this._flags=e?this._flags|ae:this._flags&~ae;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(le)}set collidable(e){if(!!(this._flags&le)!==e){this._flags=e?this._flags|le:this._flags&~le;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(ne)}set pickable(e){if(!!(this._flags&ne)!==e){this._flags=e?this._flags|ne:this._flags&~ne;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return de[0]=e[0]/255,de[1]=e[1]/255,de[2]=e[2]/255,de}set colorize(e){if(e){pe[0]=Math.floor(255*e[0]),pe[1]=Math.floor(255*e[1]),pe[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(pe)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const ge=d.vec4(),me=d.vec4();class _e extends R{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._viewPos=d.vec3(),this._canvasPos=d.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(d.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){ge.set(this._viewPos),ge[3]=1,d.transformPoint4(this.scene.camera.projMatrix,ge,me);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+me[0]/me[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-me[1]/me[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){this._entity!==e&&(this._cleanupDestroyedHandlers(),this._entity=e,this._entity&&(this._entity.isSceneModelEntity?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0))}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),ee(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._cleanupDestroyedHandlers(),this._renderer.removeMarker(this),super.destroy()}_cleanupDestroyedHandlers(){this._entity&&(null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null))}}const ve=d.vec2(),be=d.vec2(),ye=d.vec2(),Be=d.vec2(),we=d.vec3(),Pe=d.vec3(),xe=d.vec4(),Ce=d.vec4(),Me=d.vec4(),Ee=d.vec4(),Fe=d.mat4(),Ie=()=>{};function De(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}const Se=(e,t,i)=>{Fe.set(e.viewMatrix),Fe.set(e.projMatrix),i.set(t),i[3]=1,d.mulMat4v4(e.viewMatrix,i,i),d.mulMat4v4(e.projMatrix,i,i)},Te=(e,t,i,s)=>{s[0]=.5*(1+i[0])*e.offsetWidth,s[1]=.5*(1-i[1])*e.offsetHeight,De(e,t,s)},Re=(e,t,i,s,r,o)=>{const n=e.camera,a=e.canvas.canvas;if(d.distVec3(i,s)<.001)return!1;const l=d.subVec3(s,i,we);let A=0,h=1;for(let t of e._sectionPlanesState.sectionPlanes){const e=d.dotVec3(t.dir,d.subVec3(t.pos,s,Pe)),r=d.dotVec3(t.dir,d.subVec3(t.pos,i,Pe));if(r>0&&e>0)return!1;if(r>0||e>0){const e=d.dotVec3(t.dir,l);if(Math.abs(e)>=1e-6){const i=d.dotVec3(t.dir,Pe)/e;r>0?A=Math.max(A,i):h=Math.min(h,i)}}}const c=xe,u=Ce;Se(n,A>0?d.addVec3(i,d.mulVec3Scalar(l,A,Pe),Pe):i,c),Se(n,h<1?d.addVec3(i,d.mulVec3Scalar(l,h,Pe),Pe):s,u);const p=c[2]/c[3]<-1||c[3]<0,f=u[2]/u[3]<-1||u[3]<0;if(p&&f)return!1;const g=(c[3]+c[2])/(c[3]+c[2]-(u[3]+u[2]));if(g>0&&g<1){const e=d.subVec4(u,c,Me);d.mulVec4Scalar(e,g,e),d.addVec4(c,e,p?c:u)}d.mulVec4Scalar(c,1/c[3]),d.mulVec4Scalar(u,1/u[3]);let m=0,_=1;for(let e=0;e<2;++e){const t=u[e]-c[e],i=(-c[3]-c[e])/t,s=(c[3]-c[e])/t;t>0?(m=Math.max(m,i),_=Math.min(_,s)):(m=Math.max(m,s),_=Math.min(_,i))}if(m>=_)return!1;const v=d.subVec4(u,c,Me);return d.addVec4(c,d.mulVec4Scalar(v,_,Ee),u),d.addVec4(c,d.mulVec4Scalar(v,m,Ee),c),d.mulVec4Scalar(c,1/c[3]),d.mulVec4Scalar(u,1/u[3]),Te(a,t,c,r),Te(a,t,u,o),!0};class Le extends _e{constructor(e,t,i,s={}){const r=e.camera;super(e,t),this.__visible=!0;const o=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new X(i,{borderColor:s.borderColor,fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:o(s.onMouseOver,"mouseover"),onMouseLeave:o(s.onMouseLeave,"mouseleave"),onMouseWheel:o(s.onMouseWheel,"wheel"),onMouseDown:o(s.onMouseDown,"mousedown"),onMouseUp:o(s.onMouseUp,"mouseup"),onMouseMove:o(s.onMouseMove,"mousemove"),onTouchstart:o(s.onTouchstart,"touchstart"),onTouchmove:o(s.onTouchmove,"touchmove"),onTouchend:o(s.onTouchend,"touchend"),onContextMenu:o(s.onContextMenu,"contextmenu")});const n=()=>{if(!this.__visible)return;const t=Me;((e,t)=>{t.set(e),t[3]=1,d.mulMat4v4(r.viewMatrix,t,t),d.mulMat4v4(r.projMatrix,t,t)})(this.worldPos,t),d.mulVec3Scalar(t,1/t[3]);const s=t[3]<0||t[0]<-1||t[0]>1||t[1]<-1||t[1]>1||t[2]<-1||t[2]>1||e._sectionPlanesState.sectionPlanes.some((e=>d.dotVec3(e.dir,d.subVec3(e.pos,this.worldPos,we))>0));this._dot.setCulled(s),s||((t=>{const s=e.canvas.canvas;t[0]=.5*(1+t[0])*s.offsetWidth,t[1]=.5*(1-t[1])*s.offsetHeight,De(s,i,t)})(t),this._dot.setPos(t[0],t[1]))};this.on("worldPos",n);const a=r.on("viewMatrix",n),l=r.on("projMatrix",n),A=e.canvas.on("boundary",n),h=e.on("sectionPlaneUpdated",n);this._updatePosition=n,this._cleanup=()=>{r.off(a),r.off(l),e.canvas.off(A),e.off(h),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setFillColor(e){this._dot.setFillColor(e)}setBorderColor(e){this._dot.setBorderColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePosition(),this._dot.setVisible(e))}destroy(){this._cleanup(),super.destroy()}}class Ue{constructor(e,t,i){const s=e.camera;this._label=new J(t,i),this._start=d.vec3(),this._mid=d.vec3(),this._end=d.vec3(),this._yOff=0,this._betweenWires=!1,this.__visible=!0;const r=(e,t,i)=>{e[0]+=t[0],e[1]+=t[1],d.mulVec2Scalar(e,.5),this._label.setPos(e[0],e[1]+i)};this._updatePositions=()=>{if(this.__visible)if(this._betweenWires){const i=Re(e,t,this._start,this._mid,ve,be),s=Re(e,t,this._end,this._mid,ye,Be);this._label.setCulled(!(i||s)),i&&s?(be[0]+=Be[0],be[1]+=Be[1],d.mulVec2Scalar(be,.5),be[0]+=ve[0]+ye[0],be[1]+=ve[1]+ye[1],d.mulVec2Scalar(be,1/3),this._label.setPos(be[0],be[1])):i?r(ve,be,0):s&&r(ye,Be,0)}else{const i=Re(e,t,this._start,this._end,ve,be)&&d.distVec2(ve,be)>=this._labelMinAxisLength;this._label.setCulled(!i),i&&r(ve,be,this._yOff)}};const o=s.on("viewMatrix",this._updatePositions),n=s.on("projMatrix",this._updatePositions),a=e.canvas.on("boundary",this._updatePositions),l=e.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=()=>{s.off(o),s.off(n),e.canvas.off(a),e.off(l),this._label.destroy()}}setPosOnWire(e,t,i,s){this._start.set(e),this._end.set(t),this._yOff=i,this._labelMinAxisLength=s,this._betweenWires=!1,this._updatePositions()}setPosBetween(e,t,i){this._start.set(e),this._mid.set(t),this._end.set(i),this._betweenWires=!0,this._updatePositions()}setFillColor(e){this._label.setFillColor(e)}setHighlighted(e){this._label.setHighlighted(e)}setText(e){this._label.setText(e)}setClickable(e){this._label.setClickable(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._label.setVisible(e))}destroy(){this._cleanup()}}class Oe{constructor(e,t,i){const s=e.camera;this._wire=new Y(t,i),this._start=d.vec3(),this._end=d.vec3(),this.__visible=!0,this._updatePositions=()=>{if(!this.__visible)return;const i=Re(e,t,this._start,this._end,ve,be);this._wire.setCulled(!i),i&&this._wire.setStartAndEnd(ve[0],ve[1],be[0],be[1])};const r=s.on("viewMatrix",this._updatePositions),o=s.on("projMatrix",this._updatePositions),n=e.canvas.on("boundary",this._updatePositions),a=e.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=()=>{s.off(r),s.off(o),e.canvas.off(n),e.off(a),this._wire.destroy()}}setEnds(e,t){this._start.set(e),this._end.set(t),this._updatePositions()}setClickable(e){this._wire.setClickable(e)}setColor(e){this._wire.setColor(e)}setHighlighted(e){this._wire.setHighlighted(e)}setOpacity(e){this._wire.setOpacity(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._wire.setVisible(e))}destroy(){this._cleanup()}}function ke(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",Ie),l=i("onMove",Ie),A=i("onEnd",Ie),h=s.scene,c=h.canvas.canvas,u=e=>{const t=d.vec2([e.clientX,e.clientY]);De(c.ownerDocument.documentElement,c,t),l(t,(e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(c,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&u(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),u(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(c.addEventListener("mousemove",f),c.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{c.removeEventListener("mousemove",f),c.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function Ne(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",Ie),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return ke(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}const Qe=function(e,t,i){return function(s,r,o){const n=e.scene,a=n.canvas.canvas,l=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,De(a.ownerDocument.documentElement,a,t),t),A=e=>{const t=d.vec3(),s=d.vec3();return d.canvasPosToWorldRay(a,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,t,s),i(t,s)};let h=null;const c=()=>{};let u,p=c;const f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=c,u=null},g=function(){f(),a.removeEventListener("touchstart",m),a.removeEventListener("touchmove",_),a.removeEventListener("touchend",v)},m=function(i){const o=i.touches;if(1!==o.length)f(),s();else{const i=o[0],s=l(i,d.vec2());A(s)&&(u=i.identifier,p=e=>{d.distVec2(s,e)>20&&f()},h=setTimeout((function(){t.start(s),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=e=>{r(e,A(e))},p(s)}),300)}),250))}};a.addEventListener("touchstart",m,{passive:!0});const _=function(e){const t=[...e.changedTouches].find((e=>e.identifier===u));t&&p(l(t,d.vec2()))};a.addEventListener("touchmove",_,{passive:!0});const v=function(e){const t=[...e.changedTouches].find((e=>e.identifier===u));if(t){g();const e=l(t,d.vec2());o(e,A(e))}};return a.addEventListener("touchend",v,{passive:!0}),g}},Ve=d.vec3(),He=d.vec3();class je extends R{constructor(e,t={}){const i=e.viewer.scene;super(i,t),this.plugin=e;const s=t.container;if(!s)throw"config missing: container";this._color=t.color||e.defaultColor;const r=function(e){const t=[];let i=!1!==e;return{reg:e=>t.push(e),get:()=>i,set:e=>{i=!1!==e,t.forEach((e=>e(i)))}}};this._visible=r(t.visible),this._originVisible=r(t.originVisible),this._cornerVisible=r(t.cornerVisible),this._targetVisible=r(t.targetVisible),this._originWireVisible=r(t.originWireVisible),this._targetWireVisible=r(t.targetWireVisible),this._angleVisible=r(t.angleVisible),this._labelsVisible=r(),this.labelsVisible=t.labelsVisible,this._clickable=r(!1),this.approximate=t.approximate;const o=i.canvas.canvas,n=t.onMouseOver?e=>{t.onMouseOver(e,this),o.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=t.onMouseLeave?e=>{t.onMouseLeave(e,this),o.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>o.dispatchEvent(new MouseEvent("mousedown",e)),h=e=>o.dispatchEvent(new MouseEvent("mouseup",e)),c=e=>o.dispatchEvent(new MouseEvent("mousemove",e)),u=e=>o.dispatchEvent(new WheelEvent("wheel",e));this._cleanups=[],this._drawables=[];const d=(e,t)=>{const i=()=>e.setVisible(t.every((e=>e.get())));t.forEach((e=>e.reg(i))),this._drawables.push(e),this._cleanups.push((()=>e.destroy()))},p=(t,r,o)=>{const p=new Oe(i,s,{color:t,thickness:r,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return d(p,o),{setEnds:(e,t)=>p.setEnds(e,t),setColor:e=>p.setColor(e)}};this._originWire=p(this._color||"blue",1,[this._visible,this._originWireVisible]),this._targetWire=p(this._color||"red",1,[this._visible,this._targetWireVisible]);this._angleLabel=((t,r,o)=>{const p=new Ue(i,s,{fillColor:t,zIndex:e.zIndex+r,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return d(p,o),{setFillColor:e=>p.setFillColor(e),setPosOnWire:(e,t,i)=>p.setPosOnWire(e,t,i),setPosBetween:(e,t,i)=>p.setPosBetween(e,t,i),setText:e=>p.setText(e)}})(this._color||"#00BBFF",2,[this._visible,this._angleVisible,this._labelsVisible]);const f=(t,r)=>{const o=new Le(i,t,s,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return o.on("worldPos",(()=>this._update())),d(o,r),o};this._originDot=f(t.origin,[this._visible,this._originVisible]),this._cornerDot=f(t.corner,[this._visible,this._cornerVisible]),this._targetDot=f(t.target,[this._visible,this._targetVisible]),this._update()}_update(){if(!this._targetDot)return;const e=this._originDot.worldPos,t=this._cornerDot.worldPos,i=this._targetDot.worldPos;this._originWire.setEnds(e,t),this._targetWire.setEnds(t,i),this._angleLabel.setPosBetween(e,t,i),d.subVec3(e,t,Ve),d.subVec3(i,t,He),d.lenVec3(Ve)>0&&d.lenVec3(He)>0?(d.normalizeVec3(Ve),d.normalizeVec3(He),this._angle=Math.abs(d.angleVec3(Ve,He))*d.RADTODEG,this._angleLabel.setText((this._approximate?" ~ ":" = ")+this._angle.toFixed(2)+"°")):(this._angle=void 0,this._angleLabel.setText(""))}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._angle}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF")}set visible(e){this._visible.set(e)}get visible(){return this._visible.get()}set originVisible(e){this._originVisible.set(e)}get originVisible(){return this._originVisible.get()}set cornerVisible(e){this._cornerVisible.set(e)}get cornerVisible(){return this._cornerVisible.get()}set targetVisible(e){this._targetVisible.set(e)}get targetVisible(){return this._targetVisible.get()}set originWireVisible(e){this._originWireVisible.set(e)}get originWireVisible(){return this._originWireVisible.get()}set targetWireVisible(e){this._targetWireVisible.set(e)}get targetWireVisible(){return this._targetWireVisible.get()}set angleVisible(e){this._angleVisible.set(e)}get angleVisible(){return this._angleVisible.get()}set labelsVisible(e){this._labelsVisible.set(void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible)}get labelsVisible(){return this._labelsVisible.get()}setHighlighted(e){this._drawables.forEach((t=>t.setHighlighted(e)))}set clickable(e){this._clickable.set(!!e),this._drawables.forEach((e=>e.setClickable(this._clickable.get())))}get clickable(){return this._clickable.get()}destroy(){this._cleanups.forEach((e=>e())),super.destroy()}}class Ge extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class ze extends Ge{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=d.vec3(),A=d.vec2();this._currentAngleMeasurement=null;const h=d.vec2(),c=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:if(this._canvasToPagePos)this._canvasToPagePos(t,i,h),this.markerDiv.style.left=h[0]-5+"px",this.markerDiv.style.top=h[1]-5+"px";else{const e=d.vec2(i);De(t,this.markerDiv.parentNode,e),this.markerDiv.style.left=e[0]-5+"px",this.markerDiv.style.top=e[1]-5+"px"}break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&c(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||c(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:d.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const u=e=>{if(r=!1,s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&u(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||u(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Ke extends z{constructor(e,t={}){super("AngleMeasurements",e),this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,angleMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get control(){return this._defaultControl||(this._defaultControl=new ze(this,{})),this._defaultControl}get measurements(){return this._measurements}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.corner,s=e.target,r=new je(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},corner:{entity:i.entity,worldPos:i.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:e.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[r.id]=r,r.on("destroyed",(()=>{delete this._measurements[r.id]})),r.clickable=!0,this.fire("measurementCreated",r),r}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class We extends Ge{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentAngleMeasurement=null,this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._touchState=0,this._attachPlugin(e,t)}_attachPlugin(e){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0],p=c.clientX,f=c.clientY;switch(n.set([p,f]),a.set([p,f]),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement?this._currentAngleMeasurement.origin.worldPos=s:(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},corner:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1),this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;case 6:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=8,h()}),this._longTouchTimeoutMs),this._touchState=7),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(e=>{this.pointerCircle.stop();const i=e.touches.length;if(1!==i||1!==e.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const r=e.touches[0],n=r.clientX,l=r.clientY;if(r.identifier!==A)return;let h,c;switch(a.set([n,l]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(h.worldPos),this._currentAngleMeasurement.origin.worldPos=h.worldPos):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),s.set(c.worldPos),this._currentAngleMeasurement.origin.worldPos=c.worldPos):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.corner.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.corner.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1)),this._touchState=5;break;case 8:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),h=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.target.worldPos=h.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0):(c=t.pick({canvasPos:a,pickSurface:!0}),c&&c.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=c.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.target.worldPos=c.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0)),this._touchState=8}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0],u=h.clientX,p=h.clientY;if(h.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([u,p]),this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos},corner:{worldPos:i.worldPos},target:{worldPos:i.worldPos}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=3):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=6):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 5:this.pointerLens&&(this.pointerLens.visible=!1),this._touchState=6,c();break;case 7:{if(1!==s||u>n[0]+r||u<n[0]-r||p>n[1]+r||p<n[1]-r)return void(this._touchState=6);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0}c();break;case 8:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement&&this._currentAngleMeasurement.targetVisible?(this._currentAngleMeasurement.clickable=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._touchState=0):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Xe extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=Ne({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Je extends Xe{constructor(e,t){super(e,t,!0,!1)}}class Ye extends Xe{constructor(e,t){super(e,t,!1,!0)}}const Ze=d.vec3(),qe=d.vec3(),$e=d.vec3();class et extends _e{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._onContextMenuExternalMarker=()=>{this.plugin.fire("contextmenu",this)},this._onContextMenuExternalMarkerRemover=W(this._marker,this._onContextMenuExternalMarker),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),W(this._marker,(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=d.normalizeVec3(e.worldNormal,Ze),i=this.plugin&&this.plugin.surfaceOffset||0,s=d.mulVec3Scalar(t,i,qe),r=d.addVec3(e.worldPos,s,$e);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._onContextMenuExternalMarkerRemover(),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class tt extends z{constructor(e,t){super("Annotations",e),this._labelHTML=t.labelHTML||"<div></div>",this._markerHTML=t.markerHTML||"<div></div>",this._container=t.container||document.body,this._values=t.values||{},this.annotations={},this.surfaceOffset=t.surfaceOffset}getContainerElement(){return this._container}send(e,t){if("clearAnnotations"===e)this.clear()}set surfaceOffset(e){null==e&&(e=.3),this._surfaceOffset=e}get surfaceOffset(){return this._surfaceOffset}createAnnotation(e){this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=null;e.markerElementId&&((t=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var i=null;e.labelElementId&&((i=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));const s=new et(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:t,labelElement:i,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:y.apply(e.values,y.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(()=>{delete this.annotations[s.id],this.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}destroyAnnotation(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}clear(){const e=Object.keys(this.annotations);for(var t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}destroy(){this.clear(),super.destroy()}}class it extends R{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const st=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class rt extends R{constructor(e,t={}){super(e,t),this._backgroundColor=d.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new it(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+d.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<st.length;e++)try{this.gl=this.canvas.getContext(st[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class ot{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=d.vec3(),this.snapPickOrigin=d.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),$(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;$(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=d.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const nt={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},at=document.createElement("canvas");if(at){const e=at.getContext("webgl",{antialias:!0})||at.getContext("experimental-webgl",{antialias:!0});nt.WEBGL=!!e,nt.WEBGL&&(nt.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?nt.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?nt.FS_MAX_FLOAT_PRECISION="mediump":nt.FS_MAX_FLOAT_PRECISION="lowp":nt.FS_MAX_FLOAT_PRECISION="mediump",nt.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),nt.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),nt.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),nt.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),nt.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),nt.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),nt.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),nt.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),nt.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),nt.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){nt.SUPPORTED_EXTENSIONS[e]=!0})))}class lt{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class At{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class ht{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class ct{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const ut=new e({});function dt(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function pt(e){console.error(e.join("\n"))}class ft{constructor(e,t){this.id=ut.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new At(e,e.VERTEX_SHADER,dt(this.source.vertex)),this._fragmentShader=new At(e,e.FRAGMENT_SHADER,dt(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void pt(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void pt(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void pt(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void pt(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void pt(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new ht(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new ct(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(ut.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class gt{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class mt{constructor(e,t){this.scene=e,this.aabb=d.AABB3(),this.origin=d.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;d.collapseAABB3(e),d.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new gt(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const _t=d.vec3([1,0,0]),vt=d.vec3();class bt{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new mt(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new mt(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new ft(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,$(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,se(i.dist,i.dir,o,vt)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*_t[0],i=255*_t[1],s=255*_t[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const yt=d.vec2();class Bt{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,c=this._getInverseProjectMat(),u=Math.random(),p="perspective"===s.camera.projection;yt[0]=o,yt[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,c),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,yt),t.uniform1f(this._uRandomSeed,u);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new ft(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new gt(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new gt(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new gt(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const wt=new Float32Array(Ft(17,[0,1])),Pt=new Float32Array(Ft(17,[1,0])),xt=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(Et(s,t));return i}(17,4)),Ct=new Float32Array(2);class Mt{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new ft(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new gt(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new gt(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new gt(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),Ct[0]=n,Ct[1]=a,s.uniform2fv(this._uViewport,Ct),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,Pt):s.uniform2fv(this._uSampleOffsets,wt),s.uniform1fv(this._uSampleWeights,xt);const c=e.getDepthTexture(),u=t.getTexture();r.bindTexture(this._uDepthTexture,c,0),r.bindTexture(this._uOcclusionTexture,u,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function Et(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function Ft(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class It{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class Dt{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new It(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function St(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const Tt=d.vec3([0,0,0]),Rt=function(t,i){i=i||{};const s=new ot(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},c=[],u=[],p=!0,f=!0,g=!0,_=!0,v=!0,b=!0,y=!0,B=!0;const w=new Dt(t);let P=!1;const x=new Bt(t),C=new Mt(t);function M(){p&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),p=!1,f=!0),f&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];c[e++]=s}}c.length=e,c.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),f=!1,g=!0),g&&function(){let e=0;for(let t=0,i=c.length;t<i;t++){const i=c[t];i.rebuildRenderFlags(),i.renderFlags.culled||(u[e++]=i)}u.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!St(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!St(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!St(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!St(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!St(o,"WEBGL_compressed_texture_pvrtc")&&!St(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,g=!0},this.setEdgesEnabled=function(e){v=e,g=!0},this.setSAOEnabled=function(e){b=e,g=!0},this.setPBREnabled=function(e){y=e,g=!0},this.setColorTextureEnabled=function(e){B=e,g=!0},this.needStateSort=function(){f=!0},this.shadowsDirty=function(){},this.imageDirty=function(){g=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){x.init(),C.init(),g=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,p=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],p=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return g||p||f},this.render=function(e){(e=e||{}).force&&(g=!0),M(),g&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=w.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=w.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),x.render(r),n.unbind(),i.blur){const e=w.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],p=[],f=[],g=[],P=[],x=[],C=[],M=[],E=[],F=[],I=[],D=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=B&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?D:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const S=t.sao.possible;if(b&&S){const e=w.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let T,R;const L=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,K=0,W=0,X=0,J=0,Y=0,Z=0;for(let e=0,t=u.length;e<t;e++){if(R=u[e],!0===R.culled||!1===R.visible)continue;const t=R.renderFlags;t.colorOpaque&&(b&&S&&R.saoEnabled?i[U++]=R:R.drawColorOpaque(s)),_&&t.colorTransparent&&(l[k++]=R),t.xrayedSilhouetteTransparent&&(p[H++]=R),t.xrayedSilhouetteOpaque&&(h[Q++]=R),t.highlightedSilhouetteTransparent&&(x[K++]=R),t.highlightedSilhouetteOpaque&&(g[G++]=R),t.selectedSilhouetteTransparent&&(F[Y++]=R),t.selectedSilhouetteOpaque&&(M[X++]=R),R.edges&&v&&(t.edgesOpaque&&(r[O++]=R),t.edgesTransparent&&(A[N++]=R),t.selectedEdgesTransparent&&(I[Z++]=R),t.selectedEdgesOpaque&&(E[J++]=R),t.xrayedEdgesTransparent&&(f[j++]=R),t.xrayedEdgesOpaque&&(c[V++]=R),t.highlightedEdgesTransparent&&(C[W++]=R),t.highlightedEdgesOpaque&&(P[z++]=R))}if(U>0)for(s.withSAO=!0,T=0;T<U;T++)i[T].drawColorOpaque(s);if(O>0)for(T=0;T<O;T++)r[T].drawEdgesColorOpaque(s);if(Q>0)for(T=0;T<Q;T++)h[T].drawSilhouetteXRayed(s);if(V>0)for(T=0;T<V;T++)c[T].drawEdgesXRayed(s);if(H>0||j>0||k>0||N>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(k>0||N>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),N>0)for(T=0;T<N;T++)R=A[T],R.drawEdgesColorTransparent(s);if(k>0){const e=s.pickOrigin||t.camera.eye,i=l.map((t=>({drawable:t,distSq:d.distVec3(t.origin||Tt,e)})));for(i.sort(((e,t)=>t.distSq-e.distSq)),T=0;T<k;T++)i[T].drawable.drawColorTransparent(s)}if(j>0)for(T=0;T<j;T++)f[T].drawEdgesXRayed(s);if(H>0)for(T=0;T<H;T++)p[T].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(G>0||z>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),z>0)for(T=0;T<z;T++)P[T].drawEdgesHighlighted(s);if(G>0)for(T=0;T<G;T++)g[T].drawSilhouetteHighlighted(s)}if(K>0||W>0||G>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(T=0;T<W;T++)C[T].drawEdgesHighlighted(s);if(K>0)for(T=0;T<K;T++)x[T].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(X>0||J>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),J>0)for(T=0;T<J;T++)E[T].drawEdgesSelected(s);if(X>0)for(T=0;T<X;T++)M[T].drawSilhouetteSelected(s)}if(Y>0||Z>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Z>0)for(T=0;T<Z;T++)I[T].drawEdgesSelected(s);if(Y>0)for(T=0;T<Y;T++)F[T].drawSilhouetteSelected(s);o.disable(o.BLEND)}const q=Date.now(),$=m.frame;$.renderTime=(q-L)/1e3,$.drawElements=s.drawElements,$.drawArrays=s.drawArrays,$.useProgram=s.useProgram,$.bindTexture=s.bindTexture,$.bindArray=s.bindArray;const ee=nt.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<ee;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const te=nt.MAX_VERTEX_ATTRIBS;for(let e=0;e<te;e++)o.disableVertexAttribArray(e)}(e)}(e),m.frame.frameCount++,g=!1)},this.pick=function(){const e=d.vec3();d.mat4();const i=d.mat4(),n=d.vec3(),a=d.vec3([0,1,0]),h=new lt,c=d.vec2(),p=d.vec3(),f=d.vec3(),g=d.vec3();return d.vec3(),d.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,B=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,B=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,B=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=d.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),d.normalizeVec3(n),d.cross3Vec3(g,n,a),b=d.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,B="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const P=w.getRenderBuffer("pick",{size:[1,1]});P.bind();const x=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,d=a.excludeEntityIds;for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||d&&d[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(P,p,b,y,m,_);if(!x)return P.unbind(),null;const C=x.delegatePickedEntity?x.delegatePickedEntity():x;return C?(m.pickSurface&&(x.canPickTriangle&&x.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(P,x,p,b,y,_),x.pickTriangleSurface(b,y,B,_),_.pickSurfacePrecision=!1):x.canPickWorldPos&&x.canPickWorldPos()&&(c[0]=t.camera.project.near,c[1]=t.camera.project.far,F(P,x,p,b,y,c,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=w.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const c=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const u=[c[0]/d.MAX_INT,c[1]/d.MAX_INT,c[2]/d.MAX_INT];d.normalizeVec3(u),l.worldNormal=u}(0,x,p,b,y,_),_.pickSurfacePrecision=!1)),P.unbind(),_.entity=C,_):(P.unbind(),null)}}();const F=function(){const e=d.vec4(),i=d.vec4(),n=d.vec4(),a=d.vec4(),l=d.vec4(),A=d.mat4(),h=d.mat4(),c=d.mat4();return function(u,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return d.dotVec4(t,i)}(u.read(0,0)),B=(f[0]-r.clientWidth/2)/(r.clientWidth/2),w=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),P=p.origin;let x;if(P){const e=$(g,P,A);x=d.mulMat4(m,e,h)}else x=d.mulMat4(m,g,h);const C=d.inverseMat4(x,c);e[0]=B,e[1]=w,e[2]=-1,e[3]=1;let M=d.transformVec4(C,e);M=d.mulVec4Scalar(M,1/M[3]),i[0]=B,i[1]=w,i[2]=1,i[3]=1;let E=d.transformVec4(C,i);E=d.mulVec4Scalar(E,1/E[3]);const F=d.subVec3(E,M,n),I=d.addVec3(M,d.mulVec4Scalar(F,y,a),l);P&&d.addVec3(I,P),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new lt;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:c,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=c||30,_=w.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:d.lookAtMat4v(a,d.addVec3(a,h,d.vec3()),d.vec3([0,1,0]),d.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const B=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),P=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),x=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=B.slice(F,F+4),R=P.slice(F,F+4),L=x.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=d.normalizeVec3([R[0]/d.MAX_INT,R[1]/d.MAX_INT,R[2]/d.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<B.length;e+=4)if(B[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?B[e+3]>y.length/2:p,result:[B[e+0],B[e+1],B[e+2],B[e+3]],normal:[P[e+0],P[e+1],P[e+2],P[e+3]],id:[x[e+0],x[e+1],x[e+2],x[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=d.normalizeVec3([t[0]/d.MAX_INT,t[1]/d.MAX_INT,t[2]/d.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new bt(t,w),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=w.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),g=!0},this.beginSnapshot=function(e={}){const t=w.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),P=!0},this.renderSnapshot=function(){if(!P)return;w.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),g=!0},this.readSnapshot=function(e){return w.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return w.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!P)return;w.getRenderBuffer("snapshot").unbind(),P=!1},this.destroy=function(){A={},h={},w.destroy(),x.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class Lt extends R{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.MOUSE_LEFT_BUTTON=260,this.MOUSE_MIDDLE_BUTTON=261,this.MOUSE_RIGHT_BUTTON=262,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=d.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){const t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const Ut=new e({});class Ot{constructor(e){this.id=Ut.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){Ut.removeItem(this.id)}}class kt extends R{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new Ot({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class Nt extends R{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Ot({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),d.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class Qt extends R{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Ot({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),d.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class Vt extends R{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Ot({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){d.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class Ht extends R{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new Ot({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const jt=d.vec3(),Gt=d.vec3(),zt=d.vec3(),Kt=d.vec3(),Wt=d.vec3(),Xt=d.vec3(),Jt=d.vec4(),Yt=d.vec4(),Zt=d.vec4(),qt=d.mat4(),$t=d.mat4(),ei=d.vec3(),ti=d.vec3(),ii=d.vec3(),si=d.vec3();class ri extends R{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new Ot({deviceMatrix:d.mat4(),hasDeviceMatrix:!1,matrix:d.mat4(),normalMatrix:d.mat4(),inverseMatrix:d.mat4()}),this._perspective=new Nt(this),this._ortho=new Qt(this),this._frustum=new Vt(this),this._customProjection=new Ht(this),this._project=this._perspective,this._eye=d.vec3([0,0,10]),this._look=d.vec3([0,0,0]),this._up=d.vec3([0,1,0]),this._worldUp=d.vec3([0,1,0]),this._worldRight=d.vec3([1,0,0]),this._worldForward=d.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(d.subVec3(this._eye,this._look,ei),d.normalizeVec3(ei,ti),d.mulVec3Scalar(ti,1e3,ii),d.addVec3(this._look,ii,si),t=si):t=this._eye,e.hasDeviceMatrix?(d.lookAtMat4v(t,this._look,this._up,$t),d.mulMat4(e.deviceMatrix,$t,e.matrix)):d.lookAtMat4v(t,this._look,this._up,e.matrix),d.inverseMat4(this._state.matrix,this._state.inverseMatrix),d.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=d.subVec3(this._eye,this._look,jt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,qt),t=d.transformPoint3(qt,t,Gt),this.eye=d.addVec3(this._look,t,zt),this.up=d.transformPoint3(qt,this._up,Kt)}orbitPitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._eye,this._look,jt);const i=d.cross3Vec3(d.normalizeVec3(t,Gt),d.normalizeVec3(this._up,zt));d.rotationMat4v(.0174532925*e,i,qt),t=d.transformPoint3(qt,t,Kt),this.up=d.transformPoint3(qt,this._up,Wt),this.eye=d.addVec3(t,this._look,Xt)}yaw(e){let t=d.subVec3(this._look,this._eye,jt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,qt),t=d.transformPoint3(qt,t,Gt),this.look=d.addVec3(t,this._eye,zt),this._gimbalLock&&(this.up=d.transformPoint3(qt,this._up,Kt))}pitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._look,this._eye,jt);const i=d.cross3Vec3(d.normalizeVec3(t,Gt),d.normalizeVec3(this._up,zt));d.rotationMat4v(.0174532925*e,i,qt),this.up=d.transformPoint3(qt,this._up,Xt),t=d.transformPoint3(qt,t,Kt),this.look=d.addVec3(t,this._eye,Wt)}pan(e){const t=d.subVec3(this._eye,this._look,jt),i=[0,0,0];let s;if(0!==e[0]){const r=d.cross3Vec3(d.normalizeVec3(t,[]),d.normalizeVec3(this._up,Gt));s=d.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=d.mulVec3Scalar(d.normalizeVec3(this._up,zt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=d.mulVec3Scalar(d.normalizeVec3(t,Kt),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=d.addVec3(this._eye,i,Wt),this.look=d.addVec3(this._look,i,Xt)}zoom(e){const t=d.subVec3(this._eye,this._look,jt),i=Math.abs(d.lenVec3(t,Gt)),s=Math.abs(i+e);if(s<.5)return;const r=d.normalizeVec3(t,zt);this.eye=d.addVec3(this._look,d.mulVec3Scalar(r,s),Kt)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=d.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return d.lenVec3(d.subVec3(this._look,this._eye,jt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=Jt,i=Yt,s=Zt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,d.mulMat4v4(this.viewMatrix,t,i),d.mulMat4v4(this.projMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class oi extends R{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class ni extends oi{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new Ot({type:"dir",dir:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=d.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];d.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=d.identityMat4()),d.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new It(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class ai extends oi{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:d.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class li extends R{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),m.memory.meshes++}destroy(){super.destroy(),m.memory.meshes--}}var Ai=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],d.decompressPosition(n,i,A),d.decompressPosition(a,i,h),d.decompressPosition(l,i,c)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],c[0]=e[v],c[1]=e[v+1],c[2]=e[v+2]),d.subVec3(c,h,u),d.subVec3(A,h,p),d.cross3Vec3(u,p,f),d.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:d.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],B=Math.cos(d.DEGTORAD*b),w={};let P,x,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)P=s[e+i],x=s[e+(i+1)%3],C=Math.min(P,x),M=Math.max(P,x),E=C+","+M,void 0===w[E]?w[E]={index1:C,index2:M,face1:t,face2:void 0}:w[E].face2=t}for(E in w)F=w[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=d.dotVec3(I,D),S>B)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const hi=function(){const e=d.mat4(),t=d.mat4();return function(i,s){s=s||d.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return d.identityMat4(e),d.translationMat4v(i,e),d.identityMat4(t),d.scalingMat4v([a/h,l/h,A/h],t),d.mulMat4(e,t,s),s}}();var ci=function(){const e=d.mat4(),t=d.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));d.identityMat4(e),d.translationMat4v(s,e),d.identityMat4(t),d.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:d.mulMat4(e,t,d.identityMat4())}}}();var ui=function(){const e=d.mat3(),t=d.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));d.identityMat3(e),d.translationMat3v(s,e),d.identityMat3(t),d.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:d.mulMat3(e,t,d.identityMat3())}}}();function di(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function pi(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function fi(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const gi={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:hi,compressPositions:ci,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:ui,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=di(e,a,"floor","floor"),s=pi(i),o=n=fi(e,a,s),i=di(e,a,"ceil","floor"),s=pi(i),o=fi(e,a,s),o>n&&(r=i,n=o),i=di(e,a,"floor","ceil"),s=pi(i),o=fi(e,a,s),o>n&&(r=i,n=o),i=di(e,a,"ceil","ceil"),s=pi(i),o=fi(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},mi=m.memory,_i=d.AABB3();class vi extends li{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new Ot({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=gi.getPositionsBounds(t.positions),s=gi.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=gi.getUVBounds(t.uv),s=gi.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=gi.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),mi.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new gt(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),mi.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new gt(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),mi.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new gt(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),mi.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new gt(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),mi.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new gt(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),mi.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=Ai(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new gt(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),mi.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=d.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new gt(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new gt(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),mi.positions+=this._pickTrianglePositionsBuf.numItems,mi.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),gi.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=gi.getPositionsBounds(e),s=gi.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),gi.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),gi.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=d.AABB3()),d.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=d.OBB3()),d.positions3ToAABB3(this._state.positions,_i,this._state.positionsDecodeMatrix),d.AABB3ToOBB3(_i,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),mi.meshes--}}function bi(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class yi extends R{get type(){return"Material"}constructor(e,t={}){super(e,t),m.memory.materials++}destroy(){super.destroy(),m.memory.materials--}}const Bi={opaque:0,mask:1,blend:2},wi=["opaque","mask","blend"];class Pi extends yi{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new Ot({type:"PhongMaterial",ambient:d.vec3([1,1,1]),diffuse:d.vec3([1,1,1]),specular:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=Bi[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return wi[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const xi={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class Ci extends yi{get type(){return"EmphasisMaterial"}get presets(){return xi}constructor(e,t={}){super(e,t),this._state=new Ot({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=xi[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(xi).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Mi={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class Ei extends yi{get type(){return"EdgeMaterial"}get presets(){return Mi}constructor(e,t={}){super(e,t),this._state=new Ot({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Mi[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Mi).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Fi={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class Ii extends R{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=d.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return Fi}set units(e){e||(e="meters");Fi[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=d.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=d.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class Di extends R{constructor(e,t={}){super(e,t),this._supported=nt.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class Si extends R{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const Ti={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class Ri extends yi{get type(){return"PointsMaterial"}get presets(){return Ti}constructor(e,t={}){super(e,t),this._state=new Ot({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=Ti[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Ti).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const Li={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class Ui extends yi{get type(){return"LinesMaterial"}get presets(){return Li}constructor(e,t={}){super(e,t),this._state=new Ot({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Li[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Li).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function Oi(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class ki extends R{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new rt(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new Rt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=d.vec4([0,0,0,0]),t=d.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new Lt(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new Ii(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new Di(this,{enabled:t.saoEnabled}),this.crossSections=new Si(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,I._addScene(this),this._initDefaults(),this._viewport=new kt(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new ri(this,{id:"default.camera",dontClear:!0}),new ai(this,{color:[1,1,1],intensity:.7}),new ni(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new ni(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+y.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=d.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],y.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&I.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=d.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||bi(vi)}get material(){return this.components["default.material"]||new Pi(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new Ci(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new Ci(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new Ci(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new Ei(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new Ri(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new Ui(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=d.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=d.AABB3());let e,t=d.MAX_DOUBLE,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MIN_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=Oi(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=Oi(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(y.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MAX_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE,a=d.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=d.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){y.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=d.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const Ni=1e3,Qi=1001,Vi=1002,Hi=1003,ji=1004,Gi=1004,zi=1005,Ki=1005,Wi=1006,Xi=1007,Ji=1007,Yi=1008,Zi=1008,qi=1009,$i=1010,es=1011,ts=1012,is=1013,ss=1014,rs=1015,os=1016,ns=1017,as=1018,ls=1020,As=1021,hs=1022,cs=1023,us=1024,ds=1025,ps=1026,fs=1027,gs=1028,ms=1029,_s=1030,vs=1031,bs=1033,ys=33776,Bs=33777,ws=33778,Ps=33779,xs=35840,Cs=35841,Ms=35842,Es=35843,Fs=36196,Is=37492,Ds=37496,Ss=37808,Ts=37809,Rs=37810,Ls=37811,Us=37812,Os=37813,ks=37814,Ns=37815,Qs=37816,Vs=37817,Hs=37818,js=37819,Gs=37820,zs=37821,Ks=36492,Ws=3e3,Xs=3001,Js=1e4,Ys=10001,Zs=10002,qs=10003,$s=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=ir(e),u=s.getNumAllocatedSectionPlanes()>0,d=tr(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=ir(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=tr(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+er[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+er[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+er[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+er[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+er[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+er[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},er={};function tr(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function ir(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}er[3e3]="linearToLinear",er[3001]="sRGBToLinear";const sr=d.vec3(),rr=new e({}),or=function(e,t){this.id=rr.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new $s(t),this._allocate(t)},nr={};or.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=nr[i];if(!s){if(s=new or(i,e),s.errors)return console.log(s.errors.join("\n")),null;nr[i]=s,m.memory.programs++}return s._useCount++,s},or.prototype.put=function(){0==--this._useCount&&(rr.removeItem(this.id),this._program&&this._program.destroy(),delete nr[this._hash],m.memory.programs--)},or.prototype.webglContextRestored=function(){this._program=null},or.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=nt.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=se(i.dist,i.dir,c,sr);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},or.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new ft(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},or.prototype._bindProgram=function(e){const t=nt.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class ar{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const lr=new e({}),Ar=d.vec3(),hr=function(e,t){this.id=lr.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new ar(t),this._allocate(t)},cr={};hr.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=cr[t];return i||(i=new hr(t,e),cr[t]=i,m.memory.programs++),i._useCount++,i},hr.prototype.put=function(){0==--this._useCount&&(lr.removeItem(this.id),this._program&&this._program.destroy(),delete cr[this._hash],m.memory.programs--)},hr.prototype.webglContextRestored=function(){this._program=null},hr.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=se(i.dist,i.dir,A,Ar);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},hr.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new ft(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},hr.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class ur{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const dr=new e({}),pr=d.vec3(),fr=function(e,t){this.id=dr.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new ur(t),this._allocate(t)},gr={};fr.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=gr[t];return i||(i=new fr(t,e),gr[t]=i,m.memory.programs++),i._useCount++,i},fr.prototype.put=function(){0==--this._useCount&&(dr.removeItem(this.id),this._program&&this._program.destroy(),delete gr[this._hash],m.memory.programs--)},fr.prototype.webglContextRestored=function(){this._program=null},fr.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=se(i.dist,i.dir,h,pr);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},fr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new ft(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},fr.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class mr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const _r=d.vec3(),vr=function(e,t){this._hash=e,this._shaderSource=new mr(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},br={};vr.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=br[t];if(!i){if(i=new vr(t,e),i.errors)return console.log(i.errors.join("\n")),null;br[t]=i,m.memory.programs++}return i._useCount++,i},vr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete br[this._hash],m.memory.programs--)},vr.prototype.webglContextRestored=function(){this._program=null},vr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=se(i.dist,i.dir,a,_r);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},vr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new ft(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},vr.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class yr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const Br=d.vec3(),wr=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new yr(t),this._allocate(t)},Pr={};wr.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=Pr[t];if(!i){if(i=new wr(t,e),i.errors)return console.log(i.errors.join("\n")),null;Pr[t]=i,m.memory.programs++}return i._useCount++,i},wr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Pr[this._hash],m.memory.programs--)},wr.prototype.webglContextRestored=function(){this._program=null},wr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=se(i.dist,i.dir,l,Br);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},wr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new ft(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class xr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const Cr=d.vec3(),Mr=function(e,t){this._hash=e,this._shaderSource=new xr(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Er={};Mr.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=Er[t];if(!i){if(i=new Mr(t,e),i.errors)return console.log(i.errors.join("\n")),null;Er[t]=i,m.memory.programs++}return i._useCount++,i},Mr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Er[this._hash],m.memory.programs--)},Mr.prototype.webglContextRestored=function(){this._program=null},Mr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=se(i.dist,i.dir,a,Cr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Mr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new ft(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Mr.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class Fr{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const Ir=function(e,t){this._hash=e,this._shaderSource=new Fr(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Dr={};Ir.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=Dr[i];if(!s){if(s=new Ir(i,e),s.errors)return console.log(s.errors.join("\n")),null;Dr[i]=s,m.memory.programs++}return s._useCount++,s},Ir.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Dr[this._hash],m.memory.programs--)},Ir.prototype.webglContextRestored=function(){this._program=null},Ir.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},Ir.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new ft(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Ir.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class Sr{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const Tr=d.OBB3(),Rr=d.vec4(),Lr=d.vec4(),Ur=d.vec4(),Or=d.vec3([1,0,0]),kr=d.vec3([0,1,0]),Nr=d.vec3([0,0,1]),Qr=d.vec3(3),Vr=d.vec3(3),Hr=d.identityMat4();class jr extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new Sr,this._state=new Ot({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:d.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._worldMatrix=d.identityMat4(),this._worldNormalMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=d.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=d.identityMat4()),this.__localMatrix.set(e||Hr),d.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=d.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=or.get(this),this._emphasisFillRenderer=hr.get(this),this._emphasisEdgesRenderer=fr.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=vr.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=Mr.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=d.mat4()),d.transposeMat4(this._worldMatrix,this._worldNormalMatrix),d.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){d.transformOBB3(e,this._geometry.obb,Tr),d.OBB3ToAABB3(Tr,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return Rr[0]=e[0],Rr[1]=e[1],Rr[2]=e[2],Rr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Rr,Lr),d.mulQuaternions(this.quaternion,Lr,Ur),this.quaternion=Ur,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Rr[0]=e[0],Rr[1]=e[1],Rr[2]=e[2],Rr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Rr,Lr),d.mulQuaternions(Lr,this.quaternion,Lr),this}rotateX(e){return this.rotate(Or,e)}rotateY(e){return this.rotate(kr,e)}rotateZ(e){return this.rotate(Nr,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,Qr),d.mulVec3Scalar(Qr,t,Vr),d.addVec3(this.position,Vr,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(Or,e)}translateY(e){return this.translate(kr,e)}translateZ(e){return this.translate(Nr,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=or.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=or.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=hr.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=hr.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=hr.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=fr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=fr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=fr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=fr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=fr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Mr.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=Ir.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=vr.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=wr.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){Gr(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const Gr=function(){const e=d.vec3(),t=d.vec3(),i=d.vec3(),s=d.vec3(),r=d.vec3(),o=d.vec3(),n=d.vec4(),a=d.vec3(),l=d.vec3(),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3(),m=d.vec4(),_=d.vec4(),v=d.vec4(),b=d.vec3(),y=d.vec3(),B=d.vec3(),w=d.vec3(),P=d.vec3(),x=d.vec3(),C=d.vec3(),M=d.vec3(),E=d.vec3(),F=d.vec3(),I=d.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let K,W,X;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,K=3*O,W=3*k,X=3*N}else K=3*V,W=K+3,X=W+3;if(i[0]=z[K+0],i[1]=z[K+1],i[2]=z[K+2],s[0]=z[W+0],s[1]=z[W+1],s[2]=z[W+2],r[0]=z[X+0],r[1]=z[X+1],r[2]=z[X+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(gi.decompressPosition(i,e,i),gi.decompressPosition(s,e,s),gi.decompressPosition(r,e,r))}L.canvasPos?d.canvasPosToLocalRay(j.canvas,D.origin?$(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&d.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),d.normalizeVec3(t),d.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,d.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,d.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,d.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const J=Q.normals;if(J){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;gi.decompressNormal(J.subarray(e,e+2),h),gi.decompressNormal(J.subarray(t,t+2),c),gi.decompressNormal(J.subarray(i,i+2),u)}else h[0]=J[K],h[1]=J[K+1],h[2]=J[K+2],c[0]=J[W],c[1]=J[W+1],c[2]=J[W+2],u[0]=J[X],u[1]=J[X+1],u[2]=J[X+2];const e=d.addVec3(d.addVec3(d.mulVec3Scalar(h,A[0],b),d.mulVec3Scalar(c,A[1],y),B),d.mulVec3Scalar(u,A[2],w),P);L.worldNormal=d.normalizeVec3(d.transformVec3(D.worldNormalMatrix,e,x))}const Y=Q.uv;if(Y){if(p[0]=Y[2*O],p[1]=Y[2*O+1],f[0]=Y[2*k],f[1]=Y[2*k+1],g[0]=Y[2*N],g[1]=Y[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(gi.decompressUV(p,e,p),gi.decompressUV(f,e,f),gi.decompressUV(g,e,g))}L.uv=d.addVec3(d.addVec3(d.mulVec2Scalar(p,A[0],C),d.mulVec2Scalar(f,A[1],M),E),d.mulVec2Scalar(g,A[2],F),I)}}}}}();function zr(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),o<1&&(o=1);const n=!!e.openEnded;let a=e.center;const l=a?a[0]:0,A=a?a[1]:0,h=a?a[2]:0,c=s/2,u=s/o,d=2*Math.PI/r,p=1/r,f=(t-i)/o,g=[],m=[],_=[],v=[];let b,B,w,P,x,C,M,E,F,I,D;const S=(90-180*Math.atan(s/(i-t))/Math.PI)/90;for(b=0;b<=o;b++)for(x=t-b*f,C=c-b*u,B=0;B<=r;B++)w=Math.sin(B*d),P=Math.cos(B*d),m.push(x*w),m.push(S),m.push(x*P),_.push(B*p),_.push(1*b/o),g.push(x*w+l),g.push(C+A),g.push(x*P+h);for(b=0;b<o;b++)for(B=0;B<=r;B++)M=b*(r+1)+B,E=M+r,v.push(M),v.push(E),v.push(E+1),v.push(M),v.push(E+1),v.push(M+1);if(!n&&t>0){for(F=g.length/3,m.push(0),m.push(1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(c+A),g.push(0+h),B=0;B<=r;B++)w=Math.sin(B*d),P=Math.cos(B*d),I=.5*Math.sin(B*d)+.5,D=.5*Math.cos(B*d)+.5,m.push(t*w),m.push(1),m.push(t*P),_.push(I),_.push(D),g.push(t*w+l),g.push(c+A),g.push(t*P+h);for(B=0;B<r;B++)a=F,M=F+1+B,v.push(M),v.push(M+1),v.push(a)}if(!n&&i>0){for(F=g.length/3,m.push(0),m.push(-1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(0-c+A),g.push(0+h),B=0;B<=r;B++)w=Math.sin(B*d),P=Math.cos(B*d),I=.5*Math.sin(B*d)+.5,D=.5*Math.cos(B*d)+.5,m.push(i*w),m.push(-1),m.push(i*P),_.push(I),_.push(D),g.push(i*w+l),g.push(0-c+A),g.push(i*P+h);for(B=0;B<r;B++)a=F,M=F+1+B,v.push(a),v.push(M+1),v.push(M)}return y.apply(e,{positions:g,normals:m,uv:_,indices:v})}function Kr(e={}){const t=e.lod||1,i=e.center?e.center[0]:0,s=e.center?e.center[1]:0,r=e.center?e.center[2]:0;let o=e.radius||1;o<0&&(console.error("negative radius not allowed - will invert"),o*=-1);let n=e.heightSegments||18;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n=Math.floor(t*n),n<18&&(n=18);let a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),a=Math.floor(t*a),a<18&&(a=18);const l=[],A=[],h=[],c=[];let u,d,p,f,g,m,_,v,b,B,w,P,x,C,M;for(u=0;u<=n;u++)for(p=u*Math.PI/n,f=Math.sin(p),g=Math.cos(p),d=0;d<=a;d++)m=2*d*Math.PI/a,_=Math.sin(m),v=Math.cos(m),b=v*f,B=g,w=_*f,P=1-d/a,x=u/n,A.push(b),A.push(B),A.push(w),h.push(P),h.push(x),l.push(i+o*b),l.push(s+o*B),l.push(r+o*w);for(u=0;u<n;u++)for(d=0;d<a;d++)C=u*(a+1)+d,M=C+a+1,c.push(C+1),c.push(M+1),c.push(M),c.push(C+1),c.push(M),c.push(C);return y.apply(e,{positions:l,normals:A,uv:h,indices:c})}const Wr={" 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Xr(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;y.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,_=(l||"").split("\n"),v=0,b=0,B=.04,w=0;w<_.length;w++){A=0,c=(h=_[w]).length;for(var P=0;P<c;P++)if(u=Wr[h.charAt(P)]){d=1,p=-1,f=-1,g=u.points.length;for(var x=0;x<g;x++)-1!==(m=u.points[x])[0]||-1!==m[1]?(n.push(A+m[0]*o*B+i),n.push(b+m[1]*o*B+s),n.push(0+r),-1===p?p=v:(-1===f||(p=f),f=v),v++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*B*o}b-=35*B*o}return y.apply(e,{primitive:"lines",positions:n,indices:a})}class Jr extends z{constructor(e,t){super("AxisGizmo",e,t=t||{});const i=e.scene.camera;t.canvasId||t.canvasElement||this.error("Config expected: either 'canvasId' or 'canvasElement'");try{this._axisGizmoScene=new ki(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0})}catch(e){return void this.error(e)}const s=this._axisGizmoScene;s.clearLights(),new ai(s,{color:[.45,.45,.5],intensity:.9}),new ni(s,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new ni(s,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});const r=s.camera;i.on("matrix",(function(){const e=i.eye,t=i.look,s=i.up,o=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(e,t,[])),22);r.look=[0,0,0],r.eye=o,r.up=s}));const o=new vi(s,zr({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),n=new vi(s,zr({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),a=new Pi(s,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),l=new Pi(s,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new Pi(s,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new Pi(s,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),c=new Pi(s,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),u=new Pi(s,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new Pi(s,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});this._meshes=[new jr(s,{geometry:new vi(s,Kr({radius:9,heightSegments:60,widthSegments:60})),material:new Pi(s,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==t.visible}),new jr(s,{geometry:new vi(s,Kr({radius:1})),material:p,pickable:!1,collidable:!1,visible:!1!==t.visible}),new jr(s,{geometry:o,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[5,0,0],rotation:[0,0,-90]}),new jr(s,{geometry:n,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[2,0,0],rotation:[0,0,90]}),new jr(s,{geometry:new vi(s,Xr({text:"X",size:1.5})),material:l,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[7,0,0],billboard:"spherical"}),new jr(s,{geometry:o,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,5,0]}),new jr(s,{geometry:n,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,2,0]}),new jr(s,{geometry:new vi(s,Xr({text:"Y",size:1.5})),material:h,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,7,0],billboard:"spherical"}),new jr(s,{geometry:o,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,5],rotation:[90,0,0]}),new jr(s,{geometry:n,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,2],rotation:[90,0,0]}),new jr(s,{geometry:new vi(s,Xr({text:"Z",size:1.5})),material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,7],billboard:"spherical"})]}setVisible(e){for(let t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}destroy(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,super.destroy()}}d.vec3();class Yr extends R{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new Ot({active:!0,pos:d.vec3(),dir:d.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){d.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const Zr=d.vec4(4),qr=d.vec4(),$r=d.vec4(),eo=d.vec3([1,0,0]),to=d.vec3([0,1,0]),io=d.vec3([0,0,1]),so=d.vec3(3),ro=d.vec3(3),oo=d.identityMat4();class no extends R{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._offset=d.vec3(),this._localMatrix=d.identityMat4(),this._worldMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=d.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;d.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&d.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+y.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+y.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||oo),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Zr[0]=e[0],Zr[1]=e[1],Zr[2]=e[2],Zr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Zr,qr),d.mulQuaternions(this.quaternion,qr,$r),this.quaternion=$r,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Zr[0]=e[0],Zr[1]=e[1],Zr[2]=e[2],Zr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Zr,qr),d.mulQuaternions(qr,this.quaternion,qr),this}rotateX(e){return this.rotate(eo,e)}rotateY(e){return this.rotate(to,e)}rotateZ(e){return this.rotate(io,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,so),d.mulVec3Scalar(so,t,ro),d.addVec3(this.position,ro,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(eo,e)}translateY(e){return this.translate(to,e)}translateZ(e){return this.translate(io,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class ao extends yi{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new Ot({type:"LambertMaterial",ambient:d.vec3([1,1,1]),color:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const lo={opaque:0,mask:1,blend:2},Ao=["opaque","mask","blend"];class ho extends yi{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new Ot({type:"MetallicMaterial",baseColor:d.vec4([1,1,1]),emissive:d.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=lo[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Ao[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const co={opaque:0,mask:1,blend:2},uo=["opaque","mask","blend"];class po extends yi{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new Ot({type:"SpecularMaterial",diffuse:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),specular:d.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=co[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return uo[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function fo(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=St(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=St(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=St(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=St(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=St(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=St(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=St(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const go=new Uint8Array([0,0,0,1]);class mo{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(go[0]=Math.floor(255*e[0]),go[1]=Math.floor(255*e[1]),go[2]=Math.floor(255*e[2]),go[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(go[0]=0,go[1]=0,go[2]=0,go[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,go)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,go);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=fo(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=fo(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=fo(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=fo(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=fo(i,this.format,this.encoding),d=fo(i,this.type),p=_o(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(y.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=fo(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=fo(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=fo(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,vo(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,vo(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,fo(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,fo(i,this.magFilter)));const a=fo(i,this.format,this.encoding),l=fo(i,this.type),A=_o(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=fo(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=fo(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=fo(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=fo(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function _o(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||St(e,"EXT_color_buffer_float"),n}function vo(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function bo(e){if(!yo(e.width)||!yo(e.height)){const t=document.createElement("canvas");t.width=Bo(e.width),t.height=Bo(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function yo(e){return 0==(e&e-1)}function Bo(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class wo extends R{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new Ot({texture:new mo({gl:this.scene.canvas.gl}),matrix:d.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=d.vec2([0,0]),this._scale=d.vec2([1,1]),this._rotate=d.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),m.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new mo({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=d.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=d.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?d.mulMat4(t,i):i),0!==this._rotate&&(i=d.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?d.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=bo(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=bo(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),m.memory.textures--}}class Po extends R{get type(){return"Fresnel"}constructor(e,t={}){super(e,t),this._state=new Ot({edgeColor:d.vec3([0,0,0]),centerColor:d.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),this.edgeColor=t.edgeColor,this.centerColor=t.centerColor,this.edgeBias=t.edgeBias,this.centerBias=t.centerBias,this.power=t.power}set edgeColor(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set centerColor(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}get centerColor(){return this._state.centerColor}set edgeBias(e){this._state.edgeBias=e||0,this.glRedraw()}get edgeBias(){return this._state.edgeBias}set centerBias(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}get centerBias(){return this._state.centerBias}set power(e){this._state.power=null!=e?e:1,this.glRedraw()}get power(){return this._state.power}destroy(){super.destroy(),this._state.destroy()}}const xo=m.memory,Co=d.AABB3();class Mo extends li{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new Ot({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=d.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=gi.getPositionsBounds(t.positions),o=gi.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new gt(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),xo.positions+=i.positionsBuf.numItems,d.positions3ToAABB3(t.positions,this._aabb),d.positions3ToAABB3(r,Co,i.positionsDecodeMatrix),d.AABB3ToOBB3(Co,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new gt(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),xo.colors+=i.colorsBuf.numItems}if(t.uv){const e=gi.getUVBounds(t.uv),r=gi.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new gt(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),xo.uvs+=i.uvBuf.numItems}if(t.normals){const e=gi.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new gt(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),xo.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new gt(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),xo.indices+=i.indicesBuf.numItems;const o=Ai(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new gt(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),xo.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),xo.meshes--}}var Eo={};function Fo(e,t={}){return new Promise((function(i,s){t.src||(console.error("load3DSGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),r.processes--,s());var o=Eo.parse.from3DS(e).edit.objects[0].mesh,n=o.vertices,a=o.uvt,l=o.indices;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),r.processes--,s()}))}))}function Io(e,t={}){return new Promise((function(i,s){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),r.processes--,s());for(var o=Eo.parse.fromOBJ(e),n=Eo.edit.unwrap(o.i_verts,o.c_verts,3),a=Eo.edit.unwrap(o.i_norms,o.c_norms,3),l=Eo.edit.unwrap(o.i_uvt,o.c_uvt,2),A=new Int32Array(o.i_verts.length),h=0;h<o.i_verts.length;h++)A[h]=h;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:A}))}),(function(e){console.error("loadOBJGeometry: "+e),r.processes--,s()}))}))}function Do(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function So(e={}){return Do({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function To(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return y.apply(e,{primitive:"lines",positions:o,indices:n})}function Ro(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),_=new Float32Array(d*p*3),v=new Float32Array(d*p*2);let b,B,w,P,x,C,M,E=0,F=0;for(b=0;b<p;b++){const e=b*g-h;for(B=0;B<d;B++)w=B*f-A,m[E]=w+n,m[E+1]=a,m[E+2]=-e+l,_[E+2]=-1,v[F]=B/c,v[F+1]=(u-b)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(b=0;b<u;b++)for(B=0;B<c;B++)P=B+d*b,x=B+d*(b+1),C=B+1+d*(b+1),M=B+1+d*b,I[E]=M,I[E+1]=x,I[E+2]=P,I[E+3]=M,I[E+4]=C,I[E+5]=x,E+=6;return y.apply(e,{positions:m,normals:_,uv:v,indices:I})}function Lo(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],c=[],u=[],p=[];let f,g,m,_,v,b,B,w,P,x,C,M;for(w=0;w<=r;w++)for(B=0;B<=s;B++)f=B/s*o,g=.785398+w/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),_=(t+i*Math.cos(g))*Math.sin(f),v=i*Math.sin(g),h.push(m+a),h.push(_+l),h.push(v+A),u.push(1-B/s),u.push(w/r),b=d.normalizeVec3(d.subVec3([m,_,v],[a,l,A],[]),[]),c.push(b[0]),c.push(b[1]),c.push(b[2]);for(w=1;w<=r;w++)for(B=1;B<=s;B++)P=(s+1)*w+B-1,x=(s+1)*(w-1)+B-1,C=(s+1)*(w-1)+B,M=(s+1)*w+B,p.push(P),p.push(x),p.push(C),p.push(C),p.push(M),p.push(P);return y.apply(e,{positions:h,normals:c,uv:u,indices:p})}function Uo(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return y.apply(e,{primitive:"lines",positions:e.points,indices:i})}function Oo(e={}){let t=e.curve.getPoints(e.divisions).map((e=>[...e])).flat();return Uo({id:e.id,points:t})}function ko(e={}){if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";let t=[],i=[],s=e.startPoint[0],r=e.startPoint[1],o=e.startPoint[2],n=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],A=Math.sqrt((n-s)**2+(a-r)**2+(l-o)**2),h=[(n-s)/A,(a-r)/A,(l-o)/A];if(e.pattern){let c=e.pattern.length,u=!1,d=0,p=0,f=0,g=[s,r,o],m=e.pattern[p];for(i.push(g[0],g[1],g[2]);m<=A-d;){let s=[h[0]*m,h[1]*m,h[2]*m],r=[g[0]+s[0],g[1]+s[1],g[2]+s[2]];i.push(r[0],r[1],r[2]),u||(t.push(f),t.push(f+1)),u=!u,f+=1,g=r,p+=1,p>=c&&(p=0),d+=m,m=e.pattern[p]}e.extendToEnd&&(i.push(n,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(s,r,o,n,a,l);return y.apply(e,{primitive:"lines",positions:i,indices:t})}Eo.load=function(e,t){var i=new 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i.id=Eo.bin.ril(e,0),i.verS=Eo.bin.ril(e,4),i.texS=Eo.bin.ril(e,8),i.indS=Eo.bin.ril(e,12),i.verO=Eo.bin.ril(e,16),i.verL=Eo.bin.ril(e,20),i.texO=Eo.bin.ril(e,24),i.texL=Eo.bin.ril(e,28),i.indO=Eo.bin.ril(e,32),i.indL=Eo.bin.ril(e,36),0!=i.verO&&(t.vertices=Eo.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=Eo.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=Eo.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},Eo.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var s=32;t<=65535&&(s=16);var r=40;e.vertices&&(r+=4*e.vertices.length),e.uvt&&(r+=4*e.uvt.length),e.indices&&(r+=e.indices.length*s/8);var o=new Uint8Array(r);Eo.bin.wil(o,0,1769365870),Eo.bin.wil(o,4,32),Eo.bin.wil(o,8,32),Eo.bin.wil(o,12,s);var n=40;return e.vertices&&(Eo.bin.wil(o,16,n),Eo.bin.wil(o,20,4*e.vertices.length),Eo.parse.fromBIV._writeFloats(o,n,e.vertices),n+=4*e.vertices.length),e.uvt&&(Eo.bin.wil(o,24,n),Eo.bin.wil(o,28,4*e.uvt.length),Eo.parse.fromBIV._writeFloats(o,n,e.uvt),n+=4*e.uvt.length),e.indices&&(Eo.bin.wil(o,32,n),Eo.bin.wil(o,36,4*e.indices.length),Eo.parse.fromBIV._writeInts(o,n,e.indices,s)),o.buffer},Eo.parse.fromBIV._readFloats=function(e,t,i){for(var s=[],r=0;r<i/4;r++)s.push(Eo.bin.rf(e,t+4*r));return s},Eo.parse.fromBIV._writeFloats=function(e,t,i){for(var s=0;s<i.length;s++)Eo.bin.wf(e,t+4*s,i[s])},Eo.parse.fromBIV._readInts=function(e,t,i,s){for(var r=[],o=0;o<i/4;o++)16==s&&r.push(Eo.bin.rsl(e,t+2*o)),32==s&&r.push(Eo.bin.ril(e,t+4*o));return r},Eo.parse.fromBIV._writeInts=function(e,t,i,s){for(var r=0;r<i.length;r++)16==s&&Eo.bin.wsl(e,t+2*r,i[r]),32==s&&Eo.bin.wil(e,t+4*r,i[r])},Eo.gen={},Eo.gen.Plane=function(e,t,i,s){i||(i=1),s||(s=1);for(var r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},Eo.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Eo.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},Eo.mat={},Eo.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Eo.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Eo.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return Eo.mat.rotate(e*s,t*s,i*s)},Eo.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},Eo.edit={},Eo.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},Eo.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},Eo.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},Eo.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},Eo.utils={},Eo.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class No extends R{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=d.vec3(t.pos||[0,0,0]),this._up=d.vec3(t.up||[0,1,0]),this._normal=d.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=d.vec3(),this._rtcPos=d.vec3(),this._imageSize=d.vec2(),this._texture=new wo(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new no(this,{matrix:d.inverseMat4(d.lookAtMat4v(this._pos,d.subVec3(this._pos,this._normal,d.mat4()),this._up,d.mat4())),children:[this._bitmapMesh=new jr(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new vi(this,Ro({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new Pi(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const Qo=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},Vo=d.vec3(),Ho=d.vec3(),jo=d.vec3();class Go{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!Qo(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Vo[0]=e[r],Vo[1]=e[r+1],Vo[2]=e[r+2],Ho[0]=e[o],Ho[1]=e[o+1],Ho[2]=e[o+2],jo[0]=e[n],jo[1]=e[n+1],jo[2]=e[n+2],d.cross3Vec3(Vo,Ho,Vo),i+=d.dotVec3(Vo,jo)}return i/6}}const zo=new Go,Ko=d.vec3(),Wo=d.vec3(),Xo=d.vec3(),Jo=d.vec3(),Yo=d.vec3(),Zo=d.vec3();class qo{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Ko[0]=e[r],Ko[1]=e[r+1],Ko[2]=e[r+2],Wo[0]=e[o],Wo[1]=e[o+1],Wo[2]=e[o+2],Xo[0]=e[n],Xo[1]=e[n+1],Xo[2]=e[n+2],d.subVec3(Ko,Wo,Jo),d.subVec3(Xo,Wo,Yo),i+=.5*d.lenVec3(d.cross3Vec3(Jo,Yo,Zo))}return i}}const $o=new qo,en=d.OBB3(),tn=d.OBB3(),sn=d.OBB3();class rn{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=d.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":zo.reset(),zo.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{zo.addVertex(e)})),this.getEachIndex((e=>{zo.addIndex(e)})),this._volume=zo.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":$o.reset(),this.getEachVertex((e=>{$o.addVertex(e)})),this.getEachIndex((e=>{$o.addIndex(e)})),this._surfaceArea=$o.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);const t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}get aabb(){return this._aabbWorldDirty&&(d.AABB3ToOBB3(this._aabbLocal,en),this.transform?(d.transformOBB3(this.transform.worldMatrix,en,tn),d.transformOBB3(this.model.worldMatrix,tn,sn),d.OBB3ToAABB3(sn,this._aabbWorld)):(d.transformOBB3(this.model.worldMatrix,en,tn),d.OBB3ToAABB3(tn,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const on=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let nn=0;const an={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},ln=new Float32Array([1,1,1,1]),An=new Float32Array([0,0,0,1]),hn=d.vec4(),cn=d.vec3(),un=d.vec3(),dn=d.mat4();class pn{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const r=this._uSectionPlanes[t];if(r)if(t<n){const o=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(r.active,o?1:0),o){const o=a[t],n=e._state.origin;if(n){const e=se(o.dist,o.dir,n,cn,s.matrix);i.uniform3fv(r.pos,e)}else i.uniform3fv(r.pos,o.pos);i.uniform3fv(r.dir,o.dir)}}else i.uniform1i(r.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges&&e.edgeIndicesBuf?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=nt.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:c,positionsDecodeMatrix:u}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,worldNormalMatrix:B}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let w=0;const P=16;this._matricesUniformBlockBufferData.set(y,0);const x=0!==c[0]||0!==c[1]||0!==c[2],C=0!==b[0]||0!==b[1]||0!==b[2];if(x||C){const e=cn;if(x){const t=d.transformPoint3(y,c,un);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set($(v,e,dn),w+=P)}else this._matricesUniformBlockBufferData.set(v,w+=P);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,w+=P),this._matricesUniformBlockBufferData.set(u,w+=P),this._matricesUniformBlockBufferData.set(B,w+=P),this._matricesUniformBlockBufferData.set(m,w+=P),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;hn[0]=i,hn[1]=s,hn[2]=t.blendCutoff,hn[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,hn),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===an[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===an[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===an[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?An:ln)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,m.memory.programs--}}class fn extends pn{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)i.edgeIndicesBuf&&t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class gn extends fn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class mn extends fn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class _n extends fn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class vn extends fn{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class bn extends vn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class yn extends vn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Bn extends fn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class wn extends fn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Pn extends fn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class xn extends fn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Cn extends fn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class Mn extends fn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class En extends fn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class Fn extends fn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class In extends fn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class Dn extends fn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Sn=d.vec3(),Tn=d.vec3(),Rn=d.vec3(),Ln=d.vec3(),Un=d.mat4();class On extends pn{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Sn;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Tn;if(l){const e=Rn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Un),g=Ln,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const kn=d.vec3(),Nn=d.vec3(),Qn=d.vec3(),Vn=d.vec3(),Hn=d.mat4();class jn extends pn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=kn;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Nn;if(l){const e=Qn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Hn),g=Vn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Gn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new _n(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Bn(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new wn(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new On(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new jn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new gn(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new gn(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new mn(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new mn(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Dn(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Dn(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Dn(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Dn(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Fn(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Fn(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new _n(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Cn(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Mn(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new bn(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new yn(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Bn(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Pn(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new In(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new wn(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new xn(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new En(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new jn(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new On(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const zn={};let Kn=65536,Wn=5e6;class Xn{constructor(){}set doublePrecisionEnabled(e){d.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return d.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Kn=e}get maxDataTextureHeight(){return Kn}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Wn=e}get maxGeometryBatchSize(){return Wn}}const Jn=new Xn;class Yn{constructor(e=Jn.maxGeometryBatchSize){this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const Zn=d.mat4(),qn=d.mat4();function $n(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,c=65525,u=c/l,p=c/A,f=c/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*u),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return d.identityMat4(Zn),d.translationMat4v(t,Zn),d.identityMat4(qn),d.scalingMat4v([l/c,A/c,h/c],qn),d.mulMat4(Zn,qn,i),r}function ea(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return d.identityMat4(Zn),d.translationMat4v(e,Zn),d.identityMat4(qn),d.scalingMat4v([o/l,n/l,a/l],qn),d.mulMat4(Zn,qn,t),t}function ta(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function ia(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const sa=d.mat4(),ra=d.mat4(),oa=d.vec4([0,0,0,1]),na=d.vec3(),aa=d.vec3(),la=d.vec3(),Aa=d.vec3(),ha=d.vec3(),ca=d.vec3(),ua=d.vec3();class da{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=zn[t];return i||(i=new Gn(e),zn[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete zn[t],i._destroy()}))),i}(e.model.scene),this._buffer=new Yn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new Ot({origin:d.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=d.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=d.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,c=t.edgeIndices,u=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let B;if(d.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";B=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";B=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=sa;m?d.inverseMat4(d.transposeMat4(m,ra),e):d.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,c,u=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)u[0]=t[c],u[1]=t[c+1],u[2]=t[c+2],d.transformVec3(e,u,p),d.normalizeVec3(p,p),l=n=ta(p,"floor","floor"),a=ia(n),A=h=o(p,a),n=ta(p,"ceil","floor"),a=ia(n),A=o(p,a),A>h&&(l=n,h=A),n=ta(p,"floor","ceil"),a=ia(n),A=o(p,a),A>h&&(l=n,h=A),n=ta(p,"ceil","ceil"),a=ia(n),A=o(p,a),A>h&&(l=n,h=A),s[r+c+0]=l[0],s[r+c+1]=l[1],s[r+c+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(u){const e=u[0],t=u[1],i=u[2],s=g;for(let r=0;r<B;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const w=null!=p?p:0,P=null!=f?f:255;for(let e=0;e<B;e++)b.metallicRoughness.push(w),b.metallicRoughness.push(P);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(c)for(let e=0,t=c.length;e<t;e++)b.edgeIndices.push(y+c[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*B;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<B;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const x=this._portions.length,C={vertsBaseIndex:y,numVerts:B,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),x}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):$n(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=d.mat4());if(e.positionsBuf=new gt(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new gt(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new gt(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new gt(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=gi.getUVBounds(i.uv),r=gi.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=d.mat3(r.decodeMatrix),e.uvBuf=new gt(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new gt(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new gt(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new gt(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new gt(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new gt(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new gt(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&re),A=!!(t&Ae),h=!!(t&he),c=!!(t&ce),u=!!(t&ue),d=!!(t&ne),p=!!(t&oe);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?an.NOT_RENDERED:i?an.COLOR_TRANSPARENT:an.COLOR_OPAQUE,g=!l||p?an.NOT_RENDERED:c?an.SILHOUETTE_SELECTED:h?an.SILHOUETTE_HIGHLIGHTED:A?an.SILHOUETTE_XRAYED:an.NOT_RENDERED;let m=0;m=!l||p?an.NOT_RENDERED:c?an.EDGES_SELECTED:h?an.EDGES_HIGHLIGHTED:A?an.EDGES_XRAYED:u?i?an.EDGES_COLOR_TRANSPARENT:an.EDGES_COLOR_OPAQUE:an.NOT_RENDERED;let _=l&&!p&&d?an.PICK:an.NOT_RENDERED;const v=t&ae?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=this.model.matrix,n=d.vec4();n.set(i.origin,0),n[3]=1,d.mulMat4v4(o,n,n);const a=n[0],l=n[1],A=n[2],h=oa,c=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)h[0]=r[e],h[1]=r[e+1],h[2]=r[e+2],h[3]=1,d.decompressPosition(h,c),h[3]=1,d.mulMat4v4(o,h,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,an.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,an.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,an.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,an.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,an.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,an.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,an.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,an.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,an.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,an.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,c=na,u=aa;c.set(A?d.subVec3(t,A,la):t),u.set(i),h&&d.subVec3(c,h),d.transformRay(this.model.worldNormalMatrix,c,u,c,u);const p=Aa,f=ha,g=ca;let m=!1,_=0;const v=ua;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],d.decompressPosition(p,o.positionsDecodeMatrix),d.decompressPosition(f,o.positionsDecodeMatrix),d.decompressPosition(g,o.positionsDecodeMatrix),d.rayTriangleIntersect(c,u,p,f,g,v)){d.transformPoint3(this.model.worldMatrix,v,v),h&&d.addVec3(v,h),A&&d.addVec3(v,A);const e=Math.abs(d.lenVec3(d.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&d.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class pa extends pn{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?i.edgeIndicesBuf&&t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class fa extends pa{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class ga extends pa{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class ma extends pa{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class _a extends pa{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class va extends _a{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ba extends _a{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ya extends pa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class Ba extends pa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class wa extends pa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class Pa extends pa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class xa extends pa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class Ca extends pa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Ma extends pa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Ea={3e3:"linearToLinear",3001:"sRGBToLinear"};class Fa extends pa{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+Ea[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+Ea[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Ia extends pa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class Da extends pa{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Sa=d.vec3(),Ta=d.vec3(),Ra=d.vec3(),La=d.vec3(),Ua=d.mat4();class Oa extends pn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Sa;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ta;if(l){const e=d.transformPoint3(h,l,Ra);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Ua),g=La,g[0]=n.eye[0]-t[0],g[1]=n.eye[1]-t[1],g[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,g),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ka=d.vec3(),Na=d.vec3(),Qa=d.vec3(),Va=d.vec3(),Ha=d.mat4();class ja extends pn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ka;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Na;if(l){const e=d.transformPoint3(h,l,Qa);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Ha),g=Va,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ga{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new ma(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new ya(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Ba(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Oa(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new ja(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new fa(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new fa(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new ga(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new ga(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Da(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Da(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Da(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Da(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Fa(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Fa(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ma(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new xa(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Ca(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new va(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new ba(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ya(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new wa(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Ia(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Ba(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Pa(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Ma(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new ja(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Oa(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const za={};const Ka=new Uint8Array(4),Wa=new Float32Array(1),Xa=d.vec4([0,0,0,1]),Ja=new Float32Array(3),Ya=d.vec3(),Za=d.vec3(),qa=d.vec3(),$a=d.vec3(),el=d.vec3(),tl=d.vec3(),il=d.vec3(),sl=new Float32Array(4);class rl{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=za[t];return i||(i=new Ga(e),za[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete za[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new Ot({numInstances:0,obb:d.OBB3(),origin:d.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=d.transposeMat4(n,d.mat4()),t=d.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const c=this._portions.length,u={};return this.model.scene.readableGeometryEnabled&&(u.matrix=n.slice(),u.inverseMatrix=null,u.normalMatrix=null),this._portions.push(u),this._numPortions++,this.model.numPortions++,this._meshes.push(e),c}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new gt(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new gt(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new gt(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new gt(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new gt(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=d.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new gt(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new gt(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new gt(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new gt(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new gt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new gt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new gt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new gt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new gt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new gt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new gt(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Ka[0]=t[0],Ka[1]=t[1],Ka[2]=t[2],Ka[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Ka,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&re),r=!!(t&Ae),o=!!(t&he),n=!!(t&ce),a=!!(t&ue),l=!!(t&ne),A=!!(t&oe);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?an.NOT_RENDERED:i?an.COLOR_TRANSPARENT:an.COLOR_OPAQUE,c=!s||A?an.NOT_RENDERED:n?an.SILHOUETTE_SELECTED:o?an.SILHOUETTE_HIGHLIGHTED:r?an.SILHOUETTE_XRAYED:an.NOT_RENDERED;let u=0;u=!s||A?an.NOT_RENDERED:n?an.EDGES_SELECTED:o?an.EDGES_HIGHLIGHTED:r?an.EDGES_XRAYED:a?i?an.EDGES_COLOR_TRANSPARENT:an.EDGES_COLOR_OPAQUE:an.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?an.PICK:an.NOT_RENDERED)<<12,d|=(t&ae?1:0)<<16,Wa[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Wa,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Ja[0]=t[0],Ja[1]=t[1],Ja[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Ja,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=this.model.matrix,a=d.vec4();a.set(i.origin,0),a[3]=1,d.mulMat4v4(n,a,a);const l=a[0],A=a[1],h=a[2],c=Xa,u=r.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)c[0]=o[e],c[1]=o[e+1],c[2]=o[e+2],d.decompressPosition(c,p),d.transformPoint3(u,c,c),c[3]=1,d.mulMat4v4(n,c,c),c[0]+=l,c[1]+=A,c[2]+=h,t(c)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;sl[0]=t[0],sl[1]=t[4],sl[2]=t[8],sl[3]=t[12],this._state.modelMatrixCol0Buf.setData(sl,i),sl[0]=t[1],sl[1]=t[5],sl[2]=t[9],sl[3]=t[13],this._state.modelMatrixCol1Buf.setData(sl,i),sl[0]=t[2],sl[1]=t[6],sl[2]=t[10],sl[3]=t[14],this._state.modelMatrixCol2Buf.setData(sl,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,an.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,an.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,an.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,an.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,an.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,an.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,an.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,an.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,an.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=d.inverseMat4(a.matrix,d.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=d.transposeMat4(a.inverseMatrix,d.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,c=a.offset,u=Ya,p=Za;u.set(h?d.subVec3(t,h,qa):t),p.set(i),c&&d.subVec3(u,c),d.transformRay(this.model.worldNormalMatrix,u,p,u,p),d.transformRay(a.inverseMatrix,u,p,u,p);const f=$a,g=el,m=tl;let _=!1,v=0;const b=il;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:B}=n.geometry;if(d.decompressPosition(f,B),d.decompressPosition(g,B),d.decompressPosition(m,B),d.rayTriangleIntersect(u,p,f,g,m,b)){d.transformPoint3(a.matrix,b,b),d.transformPoint3(this.model.worldMatrix,b,b),c&&d.addVec3(b,c),h&&d.addVec3(b,h);const e=Math.abs(d.lenVec3(d.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&d.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(d.transformVec3(a.normalMatrix,r,r),d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class ol extends pn{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class nl extends ol{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class al extends ol{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const ll=d.vec3(),Al=d.vec3(),hl=d.vec3(),cl=d.vec3(),ul=d.mat4();class dl extends pn{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=ll;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Al;if(l){const e=hl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,ul),g=cl,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const pl=d.vec3(),fl=d.vec3(),gl=d.vec3(),ml=d.vec3(),_l=d.mat4();class vl extends pn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=pl;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=fl;if(l){const e=gl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,_l),g=ml,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class bl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new nl(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new al(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new dl(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new vl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const yl={};class Bl{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class wl{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=yl[t];return i||(i=new bl(e),yl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete yl[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new Bl(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new Ot({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(d.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new gt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=$n(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new gt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new gt(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new gt(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new gt(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new gt(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&re),l=!!(t&Ae),A=!!(t&he),h=!!(t&ce),c=!!(t&ne),u=!!(t&oe);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?an.NOT_RENDERED:i?an.COLOR_TRANSPARENT:an.COLOR_OPAQUE,p=!a||u?an.NOT_RENDERED:h?an.SILHOUETTE_SELECTED:A?an.SILHOUETTE_HIGHLIGHTED:l?an.SILHOUETTE_XRAYED:an.NOT_RENDERED;let f=a&&!u&&c?an.PICK:an.NOT_RENDERED;const g=t&ae?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,an.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,an.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class Pl extends pn{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class xl extends Pl{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Cl extends Pl{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Ml=d.vec3(),El=d.vec3(),Fl=d.vec3();d.vec3();const Il=d.mat4();class Dl extends pn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ml;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=El;if(l){const e=d.transformPoint3(h,l,Fl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Il),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Sl=d.vec3(),Tl=d.vec3(),Rl=d.vec3();d.vec3();const Ll=d.mat4();class Ul extends pn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Sl;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Tl;if(l){const e=d.transformPoint3(h,l,Rl);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Ll),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class Ol{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new Dl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ul(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new xl(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Cl(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Dl(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ul(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const kl={};const Nl=new Uint8Array(4),Ql=new Float32Array(1),Vl=new Float32Array(3),Hl=new Float32Array(4);class jl{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=kl[t];return i||(i=new Ol(e),kl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete kl[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new Ot({obb:d.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=d.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new gt(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new gt(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new gt(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new gt(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=d.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new gt(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Nl[0]=t[0],Nl[1]=t[1],Nl[2]=t[2],Nl[3]=t[3],this._state.colorsBuf.setData(Nl,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&re),r=!!(t&Ae),o=!!(t&he),n=!!(t&ce),a=!!(t&ue),l=!!(t&ne),A=!!(t&oe);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?an.NOT_RENDERED:i?an.COLOR_TRANSPARENT:an.COLOR_OPAQUE,c=!s||A?an.NOT_RENDERED:n?an.SILHOUETTE_SELECTED:o?an.SILHOUETTE_HIGHLIGHTED:r?an.SILHOUETTE_XRAYED:an.NOT_RENDERED;let u=0;u=!s||A?an.NOT_RENDERED:n?an.EDGES_SELECTED:o?an.EDGES_HIGHLIGHTED:r?an.EDGES_XRAYED:a?i?an.EDGES_COLOR_TRANSPARENT:an.EDGES_COLOR_OPAQUE:an.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?an.PICK:an.NOT_RENDERED)<<12,d|=(t&ae?255:0)<<16,Ql[0]=d,this._state.flagsBuf.setData(Ql,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Vl[0]=t[0],Vl[1]=t[1],Vl[2]=t[2],this._state.offsetsBuf.setData(Vl,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;Hl[0]=t[0],Hl[1]=t[4],Hl[2]=t[8],Hl[3]=t[12],this._state.modelMatrixCol0Buf.setData(Hl,i),Hl[0]=t[1],Hl[1]=t[5],Hl[2]=t[9],Hl[3]=t[13],this._state.modelMatrixCol1Buf.setData(Hl,i),Hl[0]=t[2],Hl[1]=t[6],Hl[2]=t[10],Hl[3]=t[14],this._state.modelMatrixCol2Buf.setData(Hl,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,an.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,an.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class Gl extends pn{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class zl extends Gl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Kl extends Gl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class Wl extends Gl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Xl extends Gl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Jl extends Gl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const Yl=d.vec3(),Zl=d.vec3(),ql=d.vec3(),$l=d.vec3(),eA=d.mat4();class tA extends pn{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Yl;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Zl;if(l){const e=ql;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,eA),g=$l,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform1f(this._uPointSize,1);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const iA=d.vec3(),sA=d.vec3(),rA=d.vec3(),oA=d.vec3(),nA=d.mat4();class aA extends pn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=iA;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=sA;if(l){const e=rA;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,nA),g=oA,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class lA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new zl(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Kl(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Wl(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Xl(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Jl(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new tA(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new aA(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const AA={};class hA{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=AA[t];return i||(i=new lA(e),AA[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete AA[t],i._destroy()}))),i}(e.model.scene);const t=e.maxGeometryBatchSize||5e6,i=function(){const e=[];return{append:function(t,i=1,s=1){e.push({data:t,times:i,denormalizeScale:s})},compileBuffer:function(t){let i=0;e.forEach((e=>{i+=e.times*e.data.length}));const s=new t(i);let r=0;return e.forEach((e=>{const t=e.data,i=e.denormalizeScale,o=s.subarray(r);if(1===i)o.set(t,0);else for(let e=0;e<t.length;++e)o[e]=t[e]*i;let n=t.length;const a=e.times*t.length;for(;n<a;){const e=Math.min(n,a-n);o.set(o.subarray(0,e),n),n+=e}r+=n})),s}}};this._buffer={maxVerts:t,positions:i(),colors:i(),pickColors:i(),vertsIndex:0},this._scratchMemory=e.scratchMemory,this._state=new Ot({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin))}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=this._buffer,s=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!s)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(s);const r=s.length/3,o=t.color,n=t.colorsCompressed,a=t.colors,l=t.pickColor;n?i.colors.append(n):a?i.colors.append(a,1,255):o&&i.colors.append([o[0],o[1],o[2],1],r),i.pickColors.append(l.slice(0,4),r),d.expandAABB3(this._modelAABB,t.aabb);const A=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(r),this._buffer.vertsIndex+=r,this._numPortions++,this.model.numPortions++,this._meshes.push(e),A}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,s=(e,i,s)=>e.length>0?new gt(t,t.ARRAY_BUFFER,e,e.length,i,s):null,r=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):$n(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=s(r,3,t.STATIC_DRAW),e.flagsBuf=s(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=s(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=s(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?s(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&re),l=!!(t&Ae),A=!!(t&he),h=!!(t&ce),c=!!(t&ne),u=!!(t&oe);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?an.NOT_RENDERED:i?an.COLOR_TRANSPARENT:an.COLOR_OPAQUE,p=!a||u?an.NOT_RENDERED:h?an.SILHOUETTE_SELECTED:A?an.SILHOUETTE_HIGHLIGHTED:l?an.SILHOUETTE_XRAYED:an.NOT_RENDERED;let f=a&&!u&&c?an.PICK:an.NOT_RENDERED;const g=t&ae?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,an.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,an.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,an.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,an.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class cA extends pn{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class uA extends cA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class dA extends cA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class pA extends cA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class fA extends cA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class gA extends cA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class mA extends cA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class _A extends cA{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const vA=d.vec3(),bA=d.vec3(),yA=d.vec3();d.vec3();const BA=d.mat4();class wA extends pn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=vA;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=bA;if(l){const e=d.transformPoint3(h,l,yA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,BA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const PA=d.vec3(),xA=d.vec3(),CA=d.vec3();d.vec3();const MA=d.mat4();class EA extends pn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=PA;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=xA;if(l){const e=d.transformPoint3(h,l,CA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,MA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class FA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new uA(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new dA(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new mA(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new pA(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new fA(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new gA(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new _A(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new wA(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new EA(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const IA={};const DA=new Uint8Array(4),SA=new Float32Array(1),TA=new Float32Array(3),RA=new Float32Array(4);class LA{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=IA[t];return i||(i=new FA(e),IA[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete IA[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new Ot({obb:d.OBB3(),numInstances:0,origin:e.origin?d.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new gt(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new gt(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=d.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new gt(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new gt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new gt(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";DA[0]=t[0],DA[1]=t[1],DA[2]=t[2],this._state.colorsBuf.setData(DA,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&re),r=!!(t&Ae),o=!!(t&he),n=!!(t&ce),a=!!(t&ue),l=!!(t&ne),A=!!(t&oe);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?an.NOT_RENDERED:i?an.COLOR_TRANSPARENT:an.COLOR_OPAQUE,c=!s||A?an.NOT_RENDERED:n?an.SILHOUETTE_SELECTED:o?an.SILHOUETTE_HIGHLIGHTED:r?an.SILHOUETTE_XRAYED:an.NOT_RENDERED;let u=0;u=!s||A?an.NOT_RENDERED:n?an.EDGES_SELECTED:o?an.EDGES_HIGHLIGHTED:r?an.EDGES_XRAYED:a?i?an.EDGES_COLOR_TRANSPARENT:an.EDGES_COLOR_OPAQUE:an.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?an.PICK:an.NOT_RENDERED)<<12,d|=(t&ae?255:0)<<16,SA[0]=d,this._state.flagsBuf.setData(SA,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(TA[0]=t[0],TA[1]=t[1],TA[2]=t[2],this._state.offsetsBuf.setData(TA,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;RA[0]=t[0],RA[1]=t[4],RA[2]=t[8],RA[3]=t[12],this._state.modelMatrixCol0Buf.setData(RA,i),RA[0]=t[1],RA[1]=t[5],RA[2]=t[9],RA[3]=t[13],this._state.modelMatrixCol1Buf.setData(RA,i),RA[0]=t[2],RA[1]=t[6],RA[2]=t[10],RA[3]=t[14],this._state.modelMatrixCol2Buf.setData(RA,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,an.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,an.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,an.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,an.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const UA=d.vec3(),OA=d.vec3(),kA=d.mat4();class NA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o,u=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=UA;if(f){const t=d.transformPoint3(c,A,OA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,kA)}else p=u;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,UA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class QA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new NA(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const VA={};class HA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class jA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class GA{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const zA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(zA,null,4));let e=0;Object.keys(zA).forEach((t=>{t.startsWith("size")&&(e+=zA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/zA.totalLines).toFixed(2)}`);let t={};Object.keys(zA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(zA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class KA{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);zA.sizeDataColorsAndFlags+=l.byteLength,zA.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);zA.sizeDataTextureOffsets+=r.byteLength,zA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);zA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);zA.sizeDataPositionDecodeMatrices+=o.byteLength,zA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);zA.sizeDataTextureIndices+=o.byteLength,zA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);zA.sizeDataTextureIndices+=o.byteLength,zA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);zA.sizeDataTextureIndices+=o.byteLength,zA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);zA.sizeDataTexturePositions+=n.byteLength,zA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),zA.sizeDataTexturePortionIds+=o.byteLength,zA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}}const WA=new Xn,XA=WA.maxDataTextureHeight,JA=new Float32Array(16),YA=new Uint8Array(4),ZA=new Float32Array(3);let qA=0;const $A=d.identityMat4();class eh{constructor(e,t){zA.numberOfLayers++,this._layerNumber=qA++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=VA[t];return i||(i=new QA(e),VA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete VA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new HA,this._dataTextureState=new jA,this._dataTextureGenerator=new KA,this._state=new Ot({origin:d.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&zA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*XA||t+r>4096*XA)&&zA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*XA&&t+r<=4096*XA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;zA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,zA.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||$A),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,zA.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,zA.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,zA.totalLines32Bits+=t.numLines),zA.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,zA.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;YA[0]=t[0],YA[1]=t[1],YA[2]=t[2],YA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(YA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,YA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&re),o=!!(t&Ae),n=!!(t&oe);let a,l;a=!r||n||o?an.NOT_RENDERED:i?an.COLOR_TRANSPARENT:an.COLOR_OPAQUE,l=!r||n?an.NOT_RENDERED:!!(t&ce)?an.SILHOUETTE_SELECTED:!!(t&he)?an.SILHOUETTE_HIGHLIGHTED:o?an.SILHOUETTE_XRAYED:an.NOT_RENDERED;let A=r&&!n&&!!(t&ne)?an.PICK:an.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;YA[0]=a,YA[1]=l,YA[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(YA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,YA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&ae?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;YA[0]=s,YA[1]=0,YA[2]=1,YA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(YA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,YA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;ZA[0]=t[0],ZA[1]=t[1],ZA[2]=t[2],i.texturePerObjectOffsets._textureData.set(ZA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,ZA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;JA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(JA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,JA))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const th=d.vec3(),ih=d.vec3(),sh=d.vec3();d.vec3();const rh=d.vec4(),oh=d.mat4();class nh{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=th;if(f){const t=d.transformPoint3(c,A,ih);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],u=$(r.viewMatrix,e,oh),p=sh,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else u=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;s.crossSections&&(n.uniform4fv(this._uSliceColor,s.crossSections.sliceColor),n.uniform1f(this._uSliceThickness,s.crossSections.sliceThickness));for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,th,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new ft(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;rh[0]=t,rh[1]=r,rh[2]=s.blendCutoff,rh[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,rh),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ah=new Float32Array([1,1,1]),lh=d.vec3(),Ah=d.vec3(),hh=d.vec3();d.vec3();const ch=d.mat4();class uh{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o,u=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=lh;if(A){const t=Ah;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,ch),f=hh,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=u,f=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===an.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===an.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===an.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,ah);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,r=o.renderFlags;for(let t=0;t<g;t++){const s=this._uSectionPlanes[t];if(s)if(t<m){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,lh,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = color;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const dh=new Float32Array([0,0,0,1]),ph=d.vec3(),fh=d.vec3();d.vec3();const gh=d.mat4();class mh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=ph;if(f){const t=d.transformPoint3(c,A,fh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,gh)}else p=u;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===an.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===an.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===an.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,dh);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,ph,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const _h=d.vec3(),vh=d.vec3(),bh=d.mat4();class yh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=_h;if(f){const t=d.transformPoint3(c,A,vh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,bh)}else p=u;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,_h,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Bh=d.vec3(),wh=d.vec3(),Ph=d.vec3(),xh=d.mat4();class Ch{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=Bh;if(v){const t=d.transformPoint3(c,A,wh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=$(u,e,xh),_=Ph,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=u,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),B=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*B,o=s.renderFlags;for(let t=0;t<y;t++){const r=this._uSectionPlanes[t];if(r)if(t<B){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Bh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Mh=d.vec3(),Eh=d.vec3(),Fh=d.vec3();d.vec3();const Ih=d.mat4();class Dh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Mh;if(A){const e=Eh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=$(u,t,Ih),_=Fh,_[0]=f[0]-t[0],_[1]=f[1]-t[1],_[2]=f[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=u,_=f,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const v=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(v>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*b,o=s.renderFlags;for(let t=0;t<v;t++){const r=this._uSectionPlanes[t];if(r)if(t<b){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Mh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Sh=d.vec3(),Th=d.vec3(),Rh=d.vec3(),Lh=d.vec3();d.vec3();const Uh=d.mat4();class Oh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=Sh;let g,m;f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=Th;if(_){const e=d.transformPoint3(c,A,Rh);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=$(p,t,Uh),m=Lh,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Sh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}const B="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(B,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(B,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(B,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const kh=d.vec3(),Nh=d.vec3(),Qh=d.vec3(),Vh=d.vec3();d.vec3();const Hh=d.mat4();class jh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=kh;let g,m;f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=Nh;if(_){const e=Qh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=$(p,t,Hh),m=Vh,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,kh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Gh=d.vec3(),zh=d.vec3(),Kh=d.vec3();d.vec3();const Wh=d.mat4();class Xh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Gh;if(A){const t=zh;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,Wh),f=Kh,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=u,f=o.eye;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const g=r._sectionPlanesState.getNumAllocatedSectionPlanes(),m=r._sectionPlanesState.sectionPlanes.length;if(g>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,o=s.renderFlags;for(let t=0;t<g;t++){const r=this._uSectionPlanes[t];if(r)if(t<m){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Gh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Jh=d.vec3(),Yh=d.vec3(),Zh=d.vec3();d.vec3();const qh=d.mat4();class $h{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Jh;if(f){const t=d.transformPoint3(c,A,Yh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],u=$(r.viewMatrix,e,qh),p=Zh,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else u=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Jh,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ec=d.vec3(),tc=d.vec3(),ic=d.vec3();d.vec3();const sc=d.mat4();class rc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const f=0!==l[0]||0!==l[1]||0!==l[2],g=0!==A[0]||0!==A[1]||0!==A[2];if(f||g){const e=ec;if(f){const t=tc;d.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],u=$(c,e,sc),p=ic,p[0]=o.eye[0]-e[0],p[1]=o.eye[1]-e[1],p[2]=o.eye[2]-e[2]}else u=c,p=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,h),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(l){const e=se(i.dist,i.dir,l,ec,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&nt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),nt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(nt.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&nt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&nt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&nt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const oc=d.vec3(),nc=d.vec3(),ac=d.vec3();d.vec3(),d.vec4();const lc=d.mat4();class Ac{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));const u=e.pickViewMatrix||r.viewMatrix,p=e.pickProjMatrix||r.projMatrix,f=e.pickOrigin||r.eye,g=e.pickProjMatrix?e.pickZFar:r.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=oc;if(v){const t=d.transformPoint3(c,A,nc);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=$(u,e,lc),_=ac,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=u,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=s._sectionPlanesState.getNumAllocatedSectionPlanes(),B=s._sectionPlanesState.sectionPlanes.length;if(y>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*B,r=o.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<B){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,oc,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new ft(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class hc{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new uh(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Ch(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Dh(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new Ac(this._scene)),this._snapRenderer||(this._snapRenderer=new Oh(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new jh(this._scene)),this._snapRenderer||(this._snapRenderer=new Oh(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new nh(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new nh(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new uh(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new $h(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new rc(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new mh(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new yh(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Ch(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Ac(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Ac(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Dh(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Oh(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new jh(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Xh(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const cc={};class uc{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class dc{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const pc={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(pc,null,4));let e=0;Object.keys(pc).forEach((t=>{t.startsWith("size")&&(e+=pc[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/pc.totalPolygons).toFixed(2)}`);let t={};Object.keys(pc).forEach((i=>{i.startsWith("size")&&(t[i]=`${(pc[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class fc{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);pc.sizeDataColorsAndFlags+=h.byteLength,pc.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);pc.sizeDataTextureOffsets+=r.byteLength,pc.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);pc.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);pc.sizeDataPositionDecodeMatrices+=o.byteLength,pc.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);pc.sizeDataTextureIndices+=o.byteLength,pc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);pc.sizeDataTextureIndices+=o.byteLength,pc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);pc.sizeDataTextureIndices+=o.byteLength,pc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);pc.sizeDataTextureEdgeIndices+=o.byteLength,pc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);pc.sizeDataTextureEdgeIndices+=o.byteLength,pc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);pc.sizeDataTextureEdgeIndices+=o.byteLength,pc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);pc.sizeDataTexturePositions+=n.byteLength,pc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),pc.sizeDataTexturePortionIds+=o.byteLength,pc.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new GA(e,n,s,r)}}const gc=new Xn,mc=gc.maxDataTextureHeight,_c=d.vec4(),vc=new Float32Array(16),bc=new Uint8Array(4),yc=new Float32Array(3);let Bc=0;const wc=d.identityMat4();class Pc{constructor(e,t){pc.numberOfLayers++,this._layerNumber=Bc++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=cc[t];return i||(i=new hc(e),cc[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete cc[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new uc,this._dtxState=new dc,this._dtxTextureFactory=new fc,this._state=new Ot({origin:d.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&pc.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*mc||t+r>4096*mc)&&pc.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*mc&&t+r<=4096*mc}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;pc.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;pc.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,pc.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||wc),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,pc.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,pc.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,pc.totalPolygons32Bits+=t.numTriangles),pc.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,pc.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,pc.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,pc.totalEdges32Bits+=t.numEdges),pc.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,pc.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;bc[0]=t[0],bc[1]=t[1],bc[2]=t[2],bc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(bc,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,bc))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&re),o=!!(t&Ae),n=!!(t&he),a=!!(t&ce),l=!!(t&ue),A=!!(t&ne),h=!!(t&oe);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?an.NOT_RENDERED:i?an.COLOR_TRANSPARENT:an.COLOR_OPAQUE,u=!r||h?an.NOT_RENDERED:a?an.SILHOUETTE_SELECTED:n?an.SILHOUETTE_HIGHLIGHTED:o?an.SILHOUETTE_XRAYED:an.NOT_RENDERED;let d=0;d=!r||h?an.NOT_RENDERED:a?an.EDGES_SELECTED:n?an.EDGES_HIGHLIGHTED:o?an.EDGES_XRAYED:l?i?an.EDGES_COLOR_TRANSPARENT:an.EDGES_COLOR_OPAQUE:an.NOT_RENDERED;let p=r&&!h&&A?an.PICK:an.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;bc[0]=c,bc[1]=u,bc[2]=d,bc[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(bc,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,bc))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&ae?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;bc[0]=s,bc[1]=0,bc[2]=1,bc[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(bc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,bc))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;yc[0]=t[0],yc[1]=t[1],yc[2]=t[2],i.texturePerObjectOffsets._textureData.set(yc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,yc))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;vc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(vc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,vc))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],c=l[2],u=_c;for(let e=0,i=n.length;e<i;e+=3)u[0]=n[e],u[1]=n[e+1],u[2]=n[e+2],u[3]=1,d.decompressPosition(u,a),d.transformPoint4(this.model.worldMatrix,u,u),d.transformPoint4(this.model.worldMatrix,u,u),u[0]+=A,u[1]+=h,u[2]+=c,t(u)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,an.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,an.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,an.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,an.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,an.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,an.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,an.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,an.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,an.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,an.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,an.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,an.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class xc{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class Cc{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const Mc={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class Ec{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const Fc=new Ec;class Ic{constructor(e){this.manager=void 0!==e?e:Fc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const Dc={};class Sc extends Ic{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=Mc.get(e);if(void 0!==r)return this.manager.itemStart(e),I.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==Dc[e])return void Dc[e].push({onLoad:t,onProgress:i,onError:s});Dc[e]=[],Dc[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=Dc[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{Mc.add(e,t);const i=Dc[e];delete Dc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=Dc[e];if(void 0===i)throw this.manager.itemError(e),t;delete Dc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class Tc{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let Rc=0;class Lc{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new Tc,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new Sc;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new Sc;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=Lc.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(Lc.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(Lc.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(Lc.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),Rc>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),Rc++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),Rc--}}Lc.BasisFormat={ETC1S:0,UASTC_4x4:1},Lc.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},Lc.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},Lc.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const Uc={};function Oc(e){const t=e.scene.id;let i=Uc[t];return i||(i=new Lc({viewer:e}),Uc[t]=i,e.scene.on("destroyed",(()=>{delete Uc[t],i.destroy()}))),i}
+class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){let e;if(2===arguments.length){const t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){const t=this._lastUniqueId++;if(!this.items[t])return this.items[t]=e,t}}removeItem(e){const t=this.items[e];return delete this.items[e],t}}const t=new e;class i{constructor(e){this.id=e,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0}}class s{constructor(){this.items=[]}}class r{constructor(e,t,i,s,r){this.id=e,this.getTitle=t,this.doAction=i,this.getEnabled=s,this.getShown=r,this.itemElement=null,this.subMenu=null,this.enabled=!0}}class o{constructor(e={}){this._id=t.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==e.hideOnMouseDown&&(document.addEventListener("mousedown",(e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{e.target.classList.contains("xeokit-context-menu-item")||this.hide()})),e.items&&(this.items=e.items),this._hideOnAction=!1!==e.hideOnAction,this.context=e.context,this.enabled=!1!==e.enabled,this.hide()}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}set items(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}get items(){return this._itemsCfg}set enabled(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}get enabled(){return this._enabled}set context(e){this._context=e}get context(){return this._context}show(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}get shown(){return this._shown}hide(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}destroy(){this._context=null,this._clear(),null!==this._id&&(t.removeItem(this._id),this._id=null)}_clear(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e].menuElement;t.parentElement.removeChild(t)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}_parseItems(e){const t=e=>{const o=this._getNextId(),n=new i(o);for(let i=0,o=e.length;i<o;i++){const o=e[i],a=new s;n.groups.push(a);for(let e=0,i=o.length;e<i;e++){const i=o[e],s=i.items,l=s&&s.length>0,A=this._getNextId(),h=i.getTitle||(()=>i.title||""),c=i.doAction||i.callback||(()=>{}),u=i.getEnabled||(()=>!0),d=i.getShown||(()=>!0),p=new r(A,h,c,u,d);if(p.parentMenu=n,a.items.push(p),l){const e=t(s);p.subMenu=e,e.parentItem=p}this._itemList.push(p),this._itemMap[p.id]=p}}return this._menuList.push(n),this._menuMap[n.id]=n,n};this._rootMenu=t(e)}_getNextId(){return"ContextMenu_"+this._id+"_"+this._nextId++}_createUI(){const e=t=>{this._createMenuUI(t);const i=t.groups;for(let t=0,s=i.length;t<s;t++){const s=i[t].items;for(let t=0,i=s.length;t<i;t++){const i=s[t].subMenu;i&&e(i)}}};e(this._rootMenu)}_createMenuUI(e){const t=e.groups,i=[];if(i.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),i.push("<ul>"),t)for(let e=0,s=t.length;e<s;e++){const r=e,o=s,n=t[e].items;if(n)for(let e=0,t=n.length;e<t;e++){const s=n[e],a=s.subMenu,l=s.title||"";a?(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>')):(i.push('<li id="'+s.id+'" class="xeokit-context-menu-item">'+l+"</li>"),r===o-1||e<t-1||i.push('<li id="'+s.id+'" class="xeokit-context-menu-item-separator"></li>'))}}i.push("</ul>"),i.push("</div>");const s=i.join("");document.body.insertAdjacentHTML("beforeend",s);const r=document.querySelector("."+e.id);e.menuElement=r,r.style["border-radius"]="4px",r.style.display="none",r.style["z-index"]=3e5,r.style.background="white",r.style.border="1px solid black",r.style["box-shadow"]="0 4px 5px 0 gray",r.oncontextmenu=e=>{e.preventDefault()};const o=this;let n=null;if(t)for(let e=0,i=t.length;e<i;e++){const i=t[e].items;if(i)for(let e=0,t=i.length;e<t;e++){const t=i[e],s=t.subMenu;t.itemElement=document.getElementById(t.id),t.itemElement?(t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault();const i=t.subMenu;if(!i)return void(n&&(o._hideMenu(n.id),n=null));if(n&&n.id!==i.id&&(o._hideMenu(n.id),n=null),!1===t.enabled)return;const s=t.itemElement,r=i.menuElement,a=s.getBoundingClientRect();r.getBoundingClientRect();const l=200,A=a.right+l<window.innerWidth,h=a.left-l>0;if(A)o._showMenu(i.id,a.right-5,a.top-1);else if(h)o._showMenu(i.id,a.left-l,a.top-1);else{const e=a.left,t=window.innerWidth-a.right;t>e?o._showMenu(i.id,a.right-5-(l-t),a.top-1):o._showMenu(i.id,a.left-e,a.top-1)}n=i})),s||(t.itemElement.addEventListener("click",(e=>{e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus()))})),t.itemElement.addEventListener("mouseup",(e=>{3===e.which&&(e.preventDefault(),o._context&&!1!==t.enabled&&(t.doAction&&t.doAction(o._context),this._hideOnAction?o.hide():(o._updateItemsTitles(),o._updateItemsEnabledStatus())))})),t.itemElement.addEventListener("mouseenter",(e=>{e.preventDefault(),!1!==t.enabled&&t.doHover&&t.doHover(o._context)})))):console.error("ContextMenu item element not found: "+t.id)}}}_updateItemsTitles(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getShown;if(!s||!s(this._context))continue;const r=t.getTitle(this._context);t.subMenu,i.innerText=r}}_updateItemsEnabledStatus(){if(this._context)for(let e=0,t=this._itemList.length;e<t;e++){const t=this._itemList[e],i=t.itemElement;if(!i)continue;const s=t.getEnabled;if(!s)continue;const r=t.getShown;if(!r)continue;const o=r(this._context);if(t.shown=o,!o){i.style.display="none";continue}i.style.display="";const n=s(this._context);t.enabled=n,n?i.classList.remove("disabled"):i.classList.add("disabled")}}_updateSubMenuInfo(){if(!this._context)return;let e,t,i,s,r,o;this._itemList.forEach((n=>{n.subMenu&&(e=n.itemElement,t=e.getBoundingClientRect(),i=n.subMenu.menuElement,s={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",o=n.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=s.visibility,i.style.display=s.display,r=t.right+o>window.innerWidth,e.setAttribute("data-submenuposition",r?"left":"right"))}))}_showMenu(e,t,i){const s=this._menuMap[e];if(!s)return void console.error("Menu not found: "+e);if(s.shown)return;const r=s.menuElement;r&&(this._showMenuElement(r,t,i),s.shown=!0)}_hideMenu(e){const t=this._menuMap[e];if(!t)return void console.error("Menu not found: "+e);if(!t.shown)return;const i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}_hideAllMenus(){for(let e=0,t=this._menuList.length;e<t;e++){const t=this._menuList[e];this._hideMenu(t.id)}}_showMenuElement(e,t,i){e.style.display="block";const s=e.offsetHeight,r=e.offsetWidth;i+s>window.innerHeight&&(i=window.innerHeight-s),t+r>window.innerWidth&&(t=window.innerWidth-r),e.style.left=t+"px",e.style.top=i+"px"}_hideMenuElement(e){e.style.display="none"}}class n{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this._lensParams={canvasSize:300,cursorBorder:2,cursorSize:10},this._lensCursorDiv.style.borderRadius="50%",this._lensCursorDiv.style.width=this._lensParams.cursorSize+"px",this._lensCursorDiv.style.height=this._lensParams.cursorSize+"px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=t.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width=this._lensParams.canvasSize+"px",this._lensContainer.style.height=this._lensParams.canvasSize+"px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id=`${this._lensContainerId}-canvas`,this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width=this._lensParams.canvasSize+"px",this._lensCanvas.style.height=this._lensParams.canvasSize+"px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensContainer.appendChild(this._lensCursorDiv),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=t.lensPosToggle||!0,this._lensPosToggleAmount=t.lensPosToggleAmount||85,this._lensPosMarginLeft=t.lensPosMarginLeft||85,this._lensPosMarginTop=t.lensPosMarginTop||25,this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,this._zoomLevel=t.zoomLevel||2,this._active=!1!==t.active,this._visible=!1,this.snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(()=>{this._active&&this._visible&&this.update()}))}update(){if(!this._active||!this._visible)return;if(!this._canvasPos)return;const e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft=`${this._lensPosMarginLeft}px`,i&&(this._lensPosToggle?this._lensContainer.style.marginTop=t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount+"px":this._lensContainer.style.marginTop=`${this._lensPosMarginTop}px`,this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);const s=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-s/2,this._canvasPos[1]-s/2,s,s,0,0,this._lensCanvas.width,this._lensCanvas.height);const r=this._lensParams.canvasSize/2-this._lensParams.cursorSize/2-this._lensParams.cursorBorder,o=this._snappedCanvasPos?this._snappedCanvasPos[0]-this._canvasPos[0]:0,n=this._snappedCanvasPos?this._snappedCanvasPos[1]-this._canvasPos[1]:0;this._lensCursorDiv.style.left=`${r+o*this._zoomLevel}px`,this._lensCursorDiv.style.top=`${r+n*this._zoomLevel}px`}set zoomFactor(e){this._zoomFactor=e,this.update()}get zoomFactor(){return this._zoomFactor}set canvasPos(e){this._canvasPos=e,this.update()}get canvasPos(){return this._canvasPos}set snappedCanvasPos(e){this._snappedCanvasPos=e,this.update()}get snappedCanvasPos(){return this._snappedCanvasPos}set snapped(e){this._snapped=e;const[t,i]=e?["greenyellow","green"]:["pink","red"];this._lensCursorDiv.style.background=t,this._lensCursorDiv.style.border=this._lensParams.cursorBorder+"px solid "+i}get snapped(){return this._snapped}_updateActiveVisible(){this._lensContainer.style.visibility=this._active&&this._visible?"visible":"hidden",this.update()}set active(e){this._active=e,this._updateActiveVisible()}get active(){return this._active}set visible(e){this._visible=e,this._updateActiveVisible()}get visible(){return this._visible}destroy(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}let a=!0,l=a?Float64Array:Float32Array;const A=new l(3),h=new l(16),c=new l(16),u=new l(4),d={setDoublePrecisionEnabled(e){a=e,l=a?Float64Array:Float32Array},getDoublePrecisionEnabled:()=>a,MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId(e,t){const i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:(e,t)=>e+"#"+t,safeInv(e){const t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:e=>new l(e||2),vec3:e=>new l(e||3),vec4:e=>new l(e||4),mat3:e=>new l(e||9),mat3ToMat4:(e,t=new l(16))=>(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t),mat4:e=>new l(e||16),mat4ToMat3(e,t){},doublesToFloats(e,t,i){const s=new l(2);for(let r=0,o=e.length;r<o;r++)d.splitDouble(e[r],s),t[r]=s[0],i[r]=s[1]},splitDouble(e,t){const i=l.from([e])[0],s=e-i;t[0]=i,t[1]=s},createUUID:(()=>{const e=[];for(let t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return()=>{const t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,s=4294967295*Math.random()|0,r=4294967295*Math.random()|0;return`${e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255]}-${e[255&i]}${e[i>>8&255]}-${e[i>>16&15|64]}${e[i>>24&255]}-${e[63&s|128]}${e[s>>8&255]}-${e[s>>16&255]}${e[s>>24&255]}${e[255&r]}${e[r>>8&255]}${e[r>>16&255]}${e[r>>24&255]}`}})(),clamp:(e,t,i)=>Math.max(t,Math.min(i,e)),fmod(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2],negateVec3:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t),negateVec4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t),addVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i),addVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i),addVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i),addVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i),subVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i),subVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i),subVec2:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i),geometricMeanVec2(...e){const t=new l(e[0]);for(let i=1;i<e.length;i++)t[0]+=e[i][0],t[1]+=e[i][1];return t[0]/=e.length,t[1]/=e.length,t},subVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i),subScalarVec4:(e,t,i)=>(i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i),mulVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i),mulVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i),mulVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i),mulVec2Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i),divVec3:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i),divVec4:(e,t,i)=>(i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i),divScalarVec3:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i),divVec3Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i),divVec4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i),divScalarVec4:(e,t,i)=>(i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i),dotVec4:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3],cross3Vec4(e,t){const i=e[0],s=e[1],r=e[2],o=t[0],n=t[1],a=t[2];return[s*a-r*n,r*o-i*a,i*n-s*o,0]},cross3Vec3(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=t[0],a=t[1],l=t[2];return i[0]=r*l-o*a,i[1]=o*n-s*l,i[2]=s*a-r*n,i},sqLenVec4:e=>d.dotVec4(e,e),lenVec4:e=>Math.sqrt(d.sqLenVec4(e)),dotVec3:(e,t)=>e[0]*t[0]+e[1]*t[1]+e[2]*t[2],dotVec2:(e,t)=>e[0]*t[0]+e[1]*t[1],sqLenVec3:e=>d.dotVec3(e,e),sqLenVec2:e=>d.dotVec2(e,e),lenVec3:e=>Math.sqrt(d.sqLenVec3(e)),distVec3:(()=>{const e=new l(3);return(t,i)=>d.lenVec3(d.subVec3(t,i,e))})(),lenVec2:e=>Math.sqrt(d.sqLenVec2(e)),distVec2:(()=>{const e=new l(2);return(t,i)=>d.lenVec2(d.subVec2(t,i,e))})(),rcpVec3:(e,t)=>d.divScalarVec3(1,e,t),normalizeVec4(e,t){const i=1/d.lenVec4(e);return d.mulVec4Scalar(e,i,t)},normalizeVec3(e,t){const i=1/d.lenVec3(e);return d.mulVec3Scalar(e,i,t)},normalizeVec2(e,t){const i=1/d.lenVec2(e);return d.mulVec2Scalar(e,i,t)},angleVec3(e,t){let i=d.dotVec3(e,t)/Math.sqrt(d.sqLenVec3(e)*d.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:(()=>{const e=new l(3);return(t,i)=>(e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=d.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=d.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=d.lenVec3(e),i)})(),vecToArray:(()=>{function e(e){return Math.round(1e5*e)/1e5}return t=>{for(let i=0,s=(t=Array.prototype.slice.call(t)).length;i<s;i++)t[i]=e(t[i]);return t}})(),xyzArrayToObject:e=>({x:e[0],y:e[1],z:e[2]}),xyzObjectToArray:(e,t)=>((t=t||d.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t),dupMat4:e=>e.slice(0,16),mat4To3:e=>[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]],m4s:e=>[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e],setMat4ToZeroes:()=>d.m4s(0),setMat4ToOnes:()=>d.m4s(1),diagonalMat4v:e=>new l([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]]),diagonalMat4c:(e,t,i,s)=>d.diagonalMat4v([e,t,i,s]),diagonalMat4s:e=>d.diagonalMat4c(e,e,e,e),identityMat4:(e=new l(16))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e),identityMat3:(e=new l(9))=>(e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e),isIdentityMat4:e=>1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15],negateMat4:(e,t)=>(t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t),addMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i),addMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i),addScalarMat4:(e,t,i)=>d.addMat4Scalar(t,e,i),subMat4:(e,t,i)=>(i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i),subMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i),subScalarMat4:(e,t,i)=>(i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i),mulMat4(e,t,i){i||(i=e);const s=e[0],r=e[1],o=e[2],n=e[3],a=e[4],l=e[5],A=e[6],h=e[7],c=e[8],u=e[9],d=e[10],p=e[11],f=e[12],g=e[13],m=e[14],_=e[15],v=t[0],b=t[1],y=t[2],B=t[3],w=t[4],P=t[5],x=t[6],C=t[7],M=t[8],E=t[9],F=t[10],I=t[11],D=t[12],S=t[13],T=t[14],R=t[15];return i[0]=v*s+b*a+y*c+B*f,i[1]=v*r+b*l+y*u+B*g,i[2]=v*o+b*A+y*d+B*m,i[3]=v*n+b*h+y*p+B*_,i[4]=w*s+P*a+x*c+C*f,i[5]=w*r+P*l+x*u+C*g,i[6]=w*o+P*A+x*d+C*m,i[7]=w*n+P*h+x*p+C*_,i[8]=M*s+E*a+F*c+I*f,i[9]=M*r+E*l+F*u+I*g,i[10]=M*o+E*A+F*d+I*m,i[11]=M*n+E*h+F*p+I*_,i[12]=D*s+S*a+T*c+R*f,i[13]=D*r+S*l+T*u+R*g,i[14]=D*o+S*A+T*d+R*m,i[15]=D*n+S*h+T*p+R*_,i},mulMat3(e,t,i){i||(i=new l(9));const s=e[0],r=e[3],o=e[6],n=e[1],a=e[4],A=e[7],h=e[2],c=e[5],u=e[8],d=t[0],p=t[3],f=t[6],g=t[1],m=t[4],_=t[7],v=t[2],b=t[5],y=t[8];return i[0]=s*d+r*g+o*v,i[3]=s*p+r*m+o*b,i[6]=s*f+r*_+o*y,i[1]=n*d+a*g+A*v,i[4]=n*p+a*m+A*b,i[7]=n*f+a*_+A*y,i[2]=h*d+c*g+u*v,i[5]=h*p+c*m+u*b,i[8]=h*f+c*_+u*y,i},mulMat4Scalar:(e,t,i)=>(i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i),mulMat4v4(e,t,i=d.vec4()){const s=t[0],r=t[1],o=t[2],n=t[3];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},transposeMat4(e,t){const i=e[4],s=e[14],r=e[8],o=e[13],n=e[12],a=e[9];if(!t||e===t){const t=e[1],l=e[2],A=e[3],h=e[6],c=e[7],u=e[11];return e[1]=i,e[2]=r,e[3]=n,e[4]=t,e[6]=a,e[7]=o,e[8]=l,e[9]=h,e[11]=s,e[12]=A,e[13]=c,e[14]=u,e}return t[0]=e[0],t[1]=i,t[2]=r,t[3]=n,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=o,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=s,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3(e,t){if(t===e){const i=e[1],s=e[2],r=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=s,t[7]=r}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4(e){const t=e[0],i=e[1],s=e[2],r=e[3],o=e[4],n=e[5],a=e[6],l=e[7],A=e[8],h=e[9],c=e[10],u=e[11],d=e[12],p=e[13],f=e[14],g=e[15];return d*h*a*r-A*p*a*r-d*n*c*r+o*p*c*r+A*n*f*r-o*h*f*r-d*h*s*l+A*p*s*l+d*i*c*l-t*p*c*l-A*i*f*l+t*h*f*l+d*n*s*u-o*p*s*u-d*i*a*u+t*p*a*u+o*i*f*u-t*n*f*u-A*n*s*g+o*h*s*g+A*i*a*g-t*h*a*g-o*i*c*g+t*n*c*g},inverseMat4(e,t){t||(t=e);const i=e[0],s=e[1],r=e[2],o=e[3],n=e[4],a=e[5],l=e[6],A=e[7],h=e[8],c=e[9],u=e[10],d=e[11],p=e[12],f=e[13],g=e[14],m=e[15],_=i*a-s*n,v=i*l-r*n,b=i*A-o*n,y=s*l-r*a,B=s*A-o*a,w=r*A-o*l,P=h*f-c*p,x=h*g-u*p,C=h*m-d*p,M=c*g-u*f,E=c*m-d*f,F=u*m-d*g,I=1/(_*F-v*E+b*M+y*C-B*x+w*P);return t[0]=(a*F-l*E+A*M)*I,t[1]=(-s*F+r*E-o*M)*I,t[2]=(f*w-g*B+m*y)*I,t[3]=(-c*w+u*B-d*y)*I,t[4]=(-n*F+l*C-A*x)*I,t[5]=(i*F-r*C+o*x)*I,t[6]=(-p*w+g*b-m*v)*I,t[7]=(h*w-u*b+d*v)*I,t[8]=(n*E-a*C+A*P)*I,t[9]=(-i*E+s*C-o*P)*I,t[10]=(p*B-f*b+m*_)*I,t[11]=(-h*B+c*b-d*_)*I,t[12]=(-n*M+a*x-l*P)*I,t[13]=(i*M-s*x+r*P)*I,t[14]=(-p*y+f*v-g*_)*I,t[15]=(h*y-c*v+u*_)*I,t},traceMat4:e=>e[0]+e[5]+e[10]+e[15],translationMat4v(e,t){const i=t||d.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v(e,t){const i=t||d.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.translationMat4v(e,r))})(),translationMat4s:(e,t)=>d.translationMat4c(e,e,e,t),translateMat4v:(e,t)=>d.translateMat4c(e[0],e[1],e[2],t),translateMat4c(e,t,i,s){const r=s[3];s[0]+=r*e,s[1]+=r*t,s[2]+=r*i;const o=s[7];s[4]+=o*e,s[5]+=o*t,s[6]+=o*i;const n=s[11];s[8]+=n*e,s[9]+=n*t,s[10]+=n*i;const a=s[15];return s[12]+=a*e,s[13]+=a*t,s[14]+=a*i,s},setMat4Translation:(e,t,i)=>(i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i),rotationMat4v(e,t,i){const s=d.normalizeVec4([t[0],t[1],t[2],0],[]),r=Math.sin(e),o=Math.cos(e),n=1-o,a=s[0],l=s[1],A=s[2];let h,c,u,p,f,g;return h=a*l,c=l*A,u=A*a,p=a*r,f=l*r,g=A*r,(i=i||d.mat4())[0]=n*a*a+o,i[1]=n*h+g,i[2]=n*u-f,i[3]=0,i[4]=n*h-g,i[5]=n*l*l+o,i[6]=n*c+p,i[7]=0,i[8]=n*u+f,i[9]=n*c-p,i[10]=n*A*A+o,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:(e,t,i,s,r)=>d.rotationMat4v(e,[t,i,s],r),scalingMat4v:(e,t=d.identityMat4())=>(t[0]=e[0],t[5]=e[1],t[10]=e[2],t),scalingMat3v:(e,t=d.identityMat3())=>(t[0]=e[0],t[4]=e[1],t),scalingMat4c:(()=>{const e=new l(3);return(t,i,s,r)=>(e[0]=t,e[1]=i,e[2]=s,d.scalingMat4v(e,r))})(),scaleMat4c:(e,t,i,s)=>(s[0]*=e,s[4]*=t,s[8]*=i,s[1]*=e,s[5]*=t,s[9]*=i,s[2]*=e,s[6]*=t,s[10]*=i,s[3]*=e,s[7]*=t,s[11]*=i,s),scaleMat4v(e,t){const i=e[0],s=e[1],r=e[2];return t[0]*=i,t[4]*=s,t[8]*=r,t[1]*=i,t[5]*=s,t[9]*=r,t[2]*=i,t[6]*=s,t[10]*=r,t[3]*=i,t[7]*=s,t[11]*=r,t},scalingMat4s:e=>d.scalingMat4c(e,e,e),rotationTranslationMat4(e,t,i=d.mat4()){const s=e[0],r=e[1],o=e[2],n=e[3],a=s+s,l=r+r,A=o+o,h=s*a,c=s*l,u=s*A,p=r*l,f=r*A,g=o*A,m=n*a,_=n*l,v=n*A;return i[0]=1-(p+g),i[1]=c+v,i[2]=u-_,i[3]=0,i[4]=c-v,i[5]=1-(h+g),i[6]=f+m,i[7]=0,i[8]=u+_,i[9]=f-m,i[10]=1-(h+p),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler(e,t,i=d.vec4()){const s=d.clamp,r=e[0],o=e[4],n=e[8],a=e[1],l=e[5],A=e[9],h=e[2],c=e[6],u=e[10];return"XYZ"===t?(i[1]=Math.asin(s(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(-A,u),i[2]=Math.atan2(-o,r)):(i[0]=Math.atan2(c,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-s(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(n,u),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-h,r),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(s(c,-1,1)),Math.abs(c)<.99999?(i[1]=Math.atan2(-h,u),i[2]=Math.atan2(-o,l)):(i[1]=0,i[2]=Math.atan2(a,r))):"ZYX"===t?(i[1]=Math.asin(-s(h,-1,1)),Math.abs(h)<.99999?(i[0]=Math.atan2(c,u),i[2]=Math.atan2(a,r)):(i[0]=0,i[2]=Math.atan2(-o,l))):"YZX"===t?(i[2]=Math.asin(s(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-A,l),i[1]=Math.atan2(-h,r)):(i[0]=0,i[1]=Math.atan2(n,u))):"XZY"===t&&(i[2]=Math.asin(-s(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(c,l),i[1]=Math.atan2(n,r)):(i[0]=Math.atan2(-A,u),i[1]=0)),i},composeMat4:(e,t,i,s=d.mat4())=>(d.quaternionToRotationMat4(t,s),d.scaleMat4v(i,s),d.translateMat4v(e,s),s),decomposeMat4:(()=>{const e=new l(3),t=new l(16);return function(i,s,r,o){e[0]=i[0],e[1]=i[1],e[2]=i[2];let n=d.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];const a=d.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];const l=d.lenVec3(e);d.determinantMat4(i)<0&&(n=-n),s[0]=i[12],s[1]=i[13],s[2]=i[14],t.set(i);const A=1/n,h=1/a,c=1/l;return t[0]*=A,t[1]*=A,t[2]*=A,t[4]*=h,t[5]*=h,t[6]*=h,t[8]*=c,t[9]*=c,t[10]*=c,d.mat4ToQuaternion(t,r),o[0]=n,o[1]=a,o[2]=l,this}})(),getColMat4(e,t){const i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v(e,t,i,s){s||(s=d.mat4());const r=e[0],o=e[1],n=e[2],a=i[0],l=i[1],A=i[2],h=t[0],c=t[1],u=t[2];if(r===h&&o===c&&n===u)return d.identityMat4();let p,f,g,m,_,v,b,y,B,w;return p=r-h,f=o-c,g=n-u,w=1/Math.sqrt(p*p+f*f+g*g),p*=w,f*=w,g*=w,m=l*g-A*f,_=A*p-a*g,v=a*f-l*p,w=Math.sqrt(m*m+_*_+v*v),w?(w=1/w,m*=w,_*=w,v*=w):(m=0,_=0,v=0),b=f*v-g*_,y=g*m-p*v,B=p*_-f*m,w=Math.sqrt(b*b+y*y+B*B),w?(w=1/w,b*=w,y*=w,B*=w):(b=0,y=0,B=0),s[0]=m,s[1]=b,s[2]=p,s[3]=0,s[4]=_,s[5]=y,s[6]=f,s[7]=0,s[8]=v,s[9]=B,s[10]=g,s[11]=0,s[12]=-(m*r+_*o+v*n),s[13]=-(b*r+y*o+B*n),s[14]=-(p*r+f*o+g*n),s[15]=1,s},lookAtMat4c:(e,t,i,s,r,o,n,a,l)=>d.lookAtMat4v([e,t,i],[s,r,o],[n,a,l],[]),orthoMat4c(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2/l,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=-2/A,n[11]=0,n[12]=-(e+t)/a,n[13]=-(s+i)/l,n[14]=-(o+r)/A,n[15]=1,n},frustumMat4v(e,t,i){i||(i=d.mat4());const s=[e[0],e[1],e[2],0],r=[t[0],t[1],t[2],0];d.addVec4(r,s,h),d.subVec4(r,s,c);const o=2*s[2],n=c[0],a=c[1],l=c[2];return i[0]=o/n,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=o/a,i[6]=0,i[7]=0,i[8]=h[0]/n,i[9]=h[1]/a,i[10]=-h[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-o*r[2]/l,i[15]=0,i},frustumMat4(e,t,i,s,r,o,n){n||(n=d.mat4());const a=t-e,l=s-i,A=o-r;return n[0]=2*r/a,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=2*r/l,n[6]=0,n[7]=0,n[8]=(t+e)/a,n[9]=(s+i)/l,n[10]=-(o+r)/A,n[11]=-1,n[12]=0,n[13]=0,n[14]=-o*r*2/A,n[15]=0,n},perspectiveMat4(e,t,i,s,r){const o=[],n=[];return o[2]=i,n[2]=s,n[1]=o[2]*Math.tan(e/2),o[1]=-n[1],n[0]=n[1]*t,o[0]=-n[0],d.frustumMat4v(o,n,r)},compareMat4:(e,t)=>e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15],transformPoint3(e,t,i=d.vec3()){const s=t[0],r=t[1],o=t[2];return i[0]=e[0]*s+e[4]*r+e[8]*o+e[12],i[1]=e[1]*s+e[5]*r+e[9]*o+e[13],i[2]=e[2]*s+e[6]*r+e[10]*o+e[14],i},transformPoint4:(e,t,i=d.vec4())=>(i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i),transformPoints3(e,t,i){const s=i||[],r=t.length;let o,n,a,l;const A=e[0],h=e[1],c=e[2],u=e[3],d=e[4],p=e[5],f=e[6],g=e[7],m=e[8],_=e[9],v=e[10],b=e[11],y=e[12],B=e[13],w=e[14],P=e[15];let x;for(let e=0;e<r;++e)l=t[e],o=l[0],n=l[1],a=l[2],x=s[e]||(s[e]=[0,0,0]),x[0]=A*o+d*n+m*a+y,x[1]=h*o+p*n+_*a+B,x[2]=c*o+f*n+v*a+w,x[3]=u*o+g*n+b*a+P;return s.length=r,s},transformPositions3(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2];e[3];const c=e[4],u=e[5],d=e[6];e[7];const p=e[8],f=e[9],g=e[10];e[11];const m=e[12],_=e[13],v=e[14];for(e[15],s=0;s<r;s+=3)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+c*n+p*a+m,i[s+1]=A*o+u*n+f*a+_,i[s+2]=h*o+d*n+g*a+v;return i},transformPositions4(e,t,i=t){let s;const r=t.length;let o,n,a;const l=e[0],A=e[1],h=e[2],c=e[3],u=e[4],d=e[5],p=e[6],f=e[7],g=e[8],m=e[9],_=e[10],v=e[11],b=e[12],y=e[13],B=e[14],w=e[15];for(s=0;s<r;s+=4)o=t[s+0],n=t[s+1],a=t[s+2],i[s+0]=l*o+u*n+g*a+b,i[s+1]=A*o+d*n+m*a+y,i[s+2]=h*o+p*n+_*a+B,i[s+3]=c*o+f*n+v*a+w;return i},transformVec3(e,t,i){const s=t[0],r=t[1],o=t[2];return(i=i||this.vec3())[0]=e[0]*s+e[4]*r+e[8]*o,i[1]=e[1]*s+e[5]*r+e[9]*o,i[2]=e[2]*s+e[6]*r+e[10]*o,i},transformVec4(e,t,i){const s=t[0],r=t[1],o=t[2],n=t[3];return(i=i||d.vec4())[0]=e[0]*s+e[4]*r+e[8]*o+e[12]*n,i[1]=e[1]*s+e[5]*r+e[9]*o+e[13]*n,i[2]=e[2]*s+e[6]*r+e[10]*o+e[14]*n,i[3]=e[3]*s+e[7]*r+e[11]*o+e[15]*n,i},rotateVec2(e,t,i,s=e){const r=Math.cos(i),o=Math.sin(i),n=e[0]-t[0],a=e[1]-t[1];return s[0]=n*r-a*o+t[0],s[1]=n*o+a*r+t[1],e},rotateVec3X(e,t,i,s){const r=[],o=[];return 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l(3),i=new l(3);return s=>(e[0]=s[0],e[1]=s[1],e[2]=s[2],t[0]=s[3],t[1]=s[4],t[2]=s[5],d.subVec3(t,e,i),Math.abs(d.lenVec3(i)))})(),getAABB3DiagPoint:(()=>{const e=new l(3),t=new l(3),i=new l(3);return(s,r)=>{e[0]=s[0],e[1]=s[1],e[2]=s[2],t[0]=s[3],t[1]=s[4],t[2]=s[5];const o=d.subVec3(t,e,i),n=r[0]-s[0],a=s[3]-r[0],l=r[1]-s[1],A=s[4]-r[1],h=r[2]-s[2],c=s[5]-r[2];return o[0]+=n>a?n:a,o[1]+=l>A?l:A,o[2]+=h>c?h:c,Math.abs(d.lenVec3(o))}})(),getAABB3Area:e=>(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2]),getAABB3Center(e,t){const i=t||d.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center(e,t){const i=t||d.vec2();return 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r=e.onAttached;if(r&&(y.isFunction(r)?r(i):r.scope?r.callback.call(r.scope,i):r.callback(i)),n){let e,t,r,o;for(e in n)if(n.hasOwnProperty(e)){if(t=n[e],y.isFunction(t)?(r=t,o=null):(r=t.callback,o=t.scope),!r)continue;s.subs.push(i.on(e,r,o))}}}return a&&this.fire("dirty",this),this.fire(t,i),i}_checkComponent(e,t){if(!t.isComponent){if(!y.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}_checkComponent2(e,t){if(!t.isComponent){if(!y.isID(t))return void this.error("Expected a Component or ID");{const e=t;if(!(t=this.scene.components[e]))return void this.error("Component not found: "+e)}}if(t.scene.id===this.scene.id){for(var i=0,s=e.length;i<s;i++)if(e[i]===t.type)return t;return this.error("Expected component types: 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this._attachments)if(this._attachments.hasOwnProperty(e)){for(t=this._attachments[e],i=t.component,s=t.subs,r=0,o=s.length;r<o;r++)i.off(s[r]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&(i=this._ownedComponents[e],i.destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}const L=d.vec3(),U=d.vec3(),O=d.mat4();class k{constructor(){this.normal=d.vec3(),this.offset=0,this.testVertex=d.vec3()}set(e,t,i,s){const r=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*r,this.normal[1]=t*r,this.normal[2]=i*r,this.offset=s*r,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}class N{constructor(){this.planes=[new k,new k,new k,new k,new k,new k]}}function Q(e,t,i){const s=d.mulMat4(i,t,O),r=s[0],o=s[1],n=s[2],a=s[3],l=s[4],A=s[5],h=s[6],c=s[7],u=s[8],p=s[9],f=s[10],g=s[11],m=s[12],_=s[13],v=s[14],b=s[15];e.planes[0].set(a-r,c-l,g-u,b-m),e.planes[1].set(a+r,c+l,g+u,b+m),e.planes[2].set(a-o,c-A,g-p,b-_),e.planes[3].set(a+o,c+A,g+p,b+_),e.planes[4].set(a-n,c-h,g-f,b-v),e.planes[5].set(a+n,c+h,g+f,b+v)}function V(e,t){let i=N.INSIDE;const s=L,r=U;s[0]=t[0],s[1]=t[1],s[2]=t[2],r[0]=t[3],r[1]=t[4],r[2]=t[5];const o=[s,r];for(let t=0;t<6;++t){const s=e.planes[t];if(s.normal[0]*o[s.testVertex[0]][0]+s.normal[1]*o[s.testVertex[1]][1]+s.normal[2]*o[s.testVertex[2]][2]+s.offset<0)return N.OUTSIDE;s.normal[0]*o[1-s.testVertex[0]][0]+s.normal[1]*o[1-s.testVertex[1]][1]+s.normal[2]*o[1-s.testVertex[2]][2]+s.offset<0&&(i=N.INTERSECT)}return i}N.INSIDE=0,N.INTERSECT=1,N.OUTSIDE=2;class H extends R{constructor(e={}){if(!e.viewer)throw"[MarqueePicker] Missing config: viewer";if(!e.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";super(e.viewer.scene,e),this.viewer=e.viewer,this._objectsKdTree3=e.objectsKdTree3,this._canvasMarqueeCorner1=d.vec2(),this._canvasMarqueeCorner2=d.vec2(),this._canvasMarquee=d.AABB2(),this._marqueeFrustum=new N,this._marqueeFrustumProjMat=d.mat4(),this._pickMode=!1,this._marqueeElement=document.createElement("div"),document.body.appendChild(this._marqueeElement),this._marqueeElement.style.position="absolute",this._marqueeElement.style["z-index"]="40000005",this._marqueeElement.style.width="8px",this._marqueeElement.style.height="8px",this._marqueeElement.style.visibility="hidden",this._marqueeElement.style.top="0px",this._marqueeElement.style.left="0px",this._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",this._marqueeElement.style.opacity=1,this._marqueeElement.style["pointer-events"]="none"}setMarqueeCorner1(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarqueeCorner2(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}setMarquee(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}setMarqueeVisible(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}getMarqueeVisible(){return this._marqueVisible}setPickMode(e){if(e!==H.PICK_MODE_INSIDE&&e!==H.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===H.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}getPickMode(){return this._pickMode}clear(){this.fire("clear",{})}pick(){this._updateMarquee(),this._buildMarqueeFrustum();const e=[],t=(i,s=N.INTERSECT)=>{if(s===N.INTERSECT&&(s=V(this._marqueeFrustum,i.aabb)),s!==N.OUTSIDE){if(i.entities){const t=i.entities;for(let i=0,s=t.length;i<s;i++){const s=t[i];if(!s.visible)continue;const r=s.aabb;if(this._pickMode===H.PICK_MODE_INSIDE){V(this._marqueeFrustum,r)===N.INSIDE&&e.push(s.id)}else{V(this._marqueeFrustum,r)!==N.OUTSIDE&&e.push(s.id)}}}i.left&&t(i.left,s),i.right&&t(i.right,s)}};return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&t(this._objectsKdTree3.root),this.fire("picked",e),e}_updateMarquee(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width=this._canvasMarquee[2]-this._canvasMarquee[0]+"px",this._marqueeElement.style.height=this._canvasMarquee[3]-this._canvasMarquee[1]+"px",this._marqueeElement.style.left=`${this._canvasMarquee[0]}px`,this._marqueeElement.style.top=`${this._canvasMarquee[1]}px`}_buildMarqueeFrustum(){const e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,s=e.clientLeft,r=e.clientTop,o=2/t,n=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-s)*o-1,A=(this._canvasMarquee[2]-s)*o-1,h=-(this._canvasMarquee[3]-r)*n+1,c=-(this._canvasMarquee[1]-r)*n+1,u=this.viewer.scene.camera.frustum.near*(17*a);d.frustumMat4(l,A,h*a,c*a,u,1e4,this._marqueeFrustumProjMat),Q(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}destroy(){super.destroy(),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}H.PICK_MODE_INTERSECTS=0,H.PICK_MODE_INSIDE=1;class j extends R{constructor(e){super(e.marqueePicker,e);const t=e.marqueePicker,i=t.viewer.scene.canvas.canvas;let s,r,o,n,a,l,A,h=!1,c=!1,u=!1;i.addEventListener("mousedown",(e=>{this.getActive()&&0===e.button&&(A=setTimeout((function(){const o=t.viewer.scene.input;o.keyDown[o.KEY_CTRL]||t.clear(),s=e.pageX,r=e.pageY,a=e.offsetX,t.setMarqueeCorner1([s,r]),h=!0,t.viewer.cameraControl.pointerEnabled=!1,t.setMarqueeVisible(!0),i.style.cursor="crosshair"}),400),c=!0)})),i.addEventListener("mouseup",(e=>{if(!this.getActive())return;if(!h&&!u)return;if(0!==e.button)return;clearTimeout(A),o=e.pageX,n=e.pageY;const i=Math.abs(o-s),a=Math.abs(n-r);h=!1,t.viewer.cameraControl.pointerEnabled=!0,u&&(u=!1),(i>3||a>3)&&t.pick()})),document.addEventListener("mouseup",(e=>{this.getActive()&&0===e.button&&(clearTimeout(A),h&&(t.setMarqueeVisible(!1),h=!1,c=!1,u=!0,t.viewer.cameraControl.pointerEnabled=!0))}),!0),i.addEventListener("mousemove",(e=>{this.getActive()&&0===e.button&&c&&(clearTimeout(A),h&&(o=e.pageX,n=e.pageY,l=e.offsetX,t.setMarqueeVisible(!0),t.setMarqueeCorner2([o,n]),t.setPickMode(a<l?H.PICK_MODE_INSIDE:H.PICK_MODE_INTERSECTS)))}))}setActive(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}getActive(){return this._active}destroy(){}}class G{constructor(e,t={}){this.viewer=e,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==t.active,this._visible=!1,this._running=!1,this._destroyed=!1}start(e){if(this._destroyed)return;this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius+"px";const t=this._circleMaxRadius;let i;const s=e=>{if(!this._running)return;i||(i=e);const r=e-i,o=Math.min(r/300,1),n=t+(2-t)*o;this._circleRadius=n,this._circleDiv.style.width=`${this._circleRadius}px`,this._circleDiv.style.height=`${this._circleRadius}px`,this._circleDiv.style.marginLeft=this._circlePos[0]-this._circleRadius/2+"px",this._circleDiv.style.marginTop=this._circlePos[1]-this._circleRadius/2+"px",o<1&&requestAnimationFrame(s)};this._running=!0,requestAnimationFrame(s),this._circleDiv.style.visibility="visible"}stop(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius=`${this._circleRadius}px`,this._circleDiv.style.visibility="hidden")}set durationMs(e){this.stop(),this._durationMs=e}get durationMs(){return this._durationMs}destroy(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}class z{constructor(e,t,i){this.id=i&&i.id?i.id:e,this.viewer=t,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,t.addPlugin(this)}scheduleTask(e){I.scheduleTask(e,null)}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];let r;if(s)for(const i in s)s.hasOwnProperty(i)&&(r=s[i],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}on(t,i,s){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new e),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});let r=this._eventSubs[t];r?this._eventSubsNum[t]++:(r={},this._eventSubs[t]=r,this._eventSubsNum[t]=1);const o=this._subIdMap.addItem();r[o]={callback:i,scope:s||this},this._subIdEvents[o]=t;const n=this._events[t];return void 0!==n&&i.call(s||this,n),o}off(e){if(null==e)return;if(!this._subIdEvents)return;const t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];const i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}once(e,t,i){const s=this,r=this.on(e,(function(e){s.off(r),t.call(i||this,e)}),i)}hasSubs(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}log(e){console.log(`[xeokit plugin ${this.id}]: ${e}`)}warn(e){console.warn(`[xeokit plugin ${this.id}]: ${e}`)}error(e){console.error(`[xeokit plugin ${this.id}]: ${e}`)}send(e,t){}destroy(){this.viewer.removePlugin(this)}}const K={isIphoneSafari(){const e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},isTouchDevice:()=>"ontouchstart"in window||navigator.maxTouchPoints>0||navigator.mxMaxTouchPoints>0};function W(e,t,i=(()=>{})){if(!e||!t)return;let s=null;let r,o;const n=e=>{if(e.preventDefault(),s&&(clearTimeout(s),s=null),e.touches.length>1)return;const i=e.touches[0];r=i.clientX,o=i.clientY,s=setTimeout((()=>{e.clientX=i.clientX,e.clientY=i.clientY,t(e),clearTimeout(s),s=null}),500)},a=e=>{e.touches.length>1&&s&&(clearTimeout(s),s=null)},l=e=>{if(!s)return;const t=e.touches[0],i=Math.abs(t.clientX-r),n=Math.abs(t.clientY-o);(i>3||n>3)&&(clearTimeout(s),s=null)},A=e=>{e.preventDefault(),s&&(i(e),clearTimeout(s),s=null)},h=e=>{t(e),e.preventDefault(),e.stopPropagation()};return K.isIphoneSafari()?(e.addEventListener("touchstart",n),e.addEventListener("touchmove",l),e.addEventListener("touchend",A),window.addEventListener("touchstart",a)):e.addEventListener("contextmenu",h),function(){K.isIphoneSafari()?(e.removeEventListener("touchstart",n),e.removeEventListener("touchmove",l),e.removeEventListener("touchend",A),window.removeEventListener("touchstart",a)):e.removeEventListener("contextmenu",h)}}class X{constructor(e,t={}){this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==t.visible,this._culled=!1;var i=this._dot,s=i.style;s["border-radius"]="25px",s.border="solid 2px white",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"40000005":t.zIndex,s.width="8px",s.height="8px",s.visibility=this._visible?"visible":"hidden",s.top="0px",s.left="0px",s["box-shadow"]="0 2px 5px 0 #182A3D;",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._dotClickable,o=r.style;if(o["border-radius"]="35px",o.border="solid 10px white",o.position="absolute",o["z-index"]=void 0===t.zIndex?"40000007":t.zIndex+1,o.width="8px",o.height="8px",o.visibility="visible",o.top="0px",o.left="0px",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),r.addEventListener("click",(t=>{e.dispatchEvent(new MouseEvent("mouseover",t))})),t.onMouseOver&&r.addEventListener("mouseover",(i=>{t.onMouseOver(i,this),e.dispatchEvent(new MouseEvent("mouseover",i))})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onTouchstart&&r.addEventListener("touchstart",(e=>{t.onTouchstart(e,this)})),t.onTouchmove&&r.addEventListener("touchmove",(e=>{t.onTouchmove(e,this)})),t.onTouchend&&r.addEventListener("touchend",(e=>{t.onTouchend(e,this)})),t.onContextMenu){W(r,(e=>{t.onContextMenu(e,this)}))}this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.borderColor)}setPos(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-6+"px",i.top=Math.round(t)-6+"px";var s=this._dotClickable.style;s.left=Math.round(e)-14+"px",s.top=Math.round(t)-14+"px"}setFillColor(e){this._dot.style.background=e||"lightgreen"}setBorderColor(e){this._dot.style.border="solid 2px"+(e||"black")}setOpacity(e){this._dot.style.opacity=e}_updateVisibility(){this._dot.style.visibility=this._dotClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setClickable(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}destroy(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}class J{constructor(e,t={}){this._highlightClass="viewer-ruler-label-highlighted",this._prefix=t.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var i=this._label,s=i.style;if(s["border-radius"]="5px",s.color="white",s.padding="4px",s.border="solid 1px",s.background="lightgreen",s.position="absolute",s["z-index"]=void 0===t.zIndex?"5000005":t.zIndex,s.width="auto",s.height="auto",s.visibility="visible",s.top="0px",s.left="0px",s["pointer-events"]="all",s.opacity=1,t.onContextMenu,i.innerText="",e.appendChild(i),this.setPos(t.x||0,t.y||0),this.setFillColor(t.fillColor),this.setBorderColor(t.fillColor),this.setText(t.text),t.onMouseOver&&i.addEventListener("mouseover",(e=>{t.onMouseOver(e,this),e.preventDefault()})),t.onMouseLeave&&i.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this),e.preventDefault()})),t.onMouseWheel&&i.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&i.addEventListener("mousedown",(e=>{t.onMouseDown(e,this),e.stopPropagation()})),t.onMouseUp&&i.addEventListener("mouseup",(e=>{t.onMouseUp(e,this),e.stopPropagation()})),t.onMouseMove&&i.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu){W(i,(e=>{t.onContextMenu(e,this)}))}}setPos(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}setPosOnWire(e,t,i,s){var r=e+.5*(i-e),o=t+.5*(s-t),n=this._label.style;n.left=Math.round(r)-20+"px",n.top=Math.round(o)-12+"px"}setPosBetweenWires(e,t,i,s,r,o){var n=(e+i+r)/3,a=(t+s+o)/3,l=this._label.style;l.left=Math.round(n)-20+"px",l.top=Math.round(a)-12+"px"}setText(e){this._label.innerHTML=this._prefix+(e||"")}setFillColor(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}setBorderColor(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}setOpacity(e){this._label.style.opacity=e}_updateVisibility(){this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}setClickable(e){this._label.style["pointer-events"]=e?"all":"none"}setPrefix(e){this._prefix!==e&&(this._prefix=e)}destroy(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}class Y{constructor(e,t={}){this._color=t.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=t.thickness||1,this._thicknessClickable=t.thicknessClickable||6,this._visible=!0,this._culled=!1;var i=this._wire,s=i.style;s.border="solid "+this._thickness+"px "+this._color,s.position="absolute",s["z-index"]=void 0===t.zIndex?"2000001":t.zIndex,s.width="0px",s.height="0px",s.visibility="visible",s.top="0px",s.left="0px",s["-webkit-transform-origin"]="0 0",s["-moz-transform-origin"]="0 0",s["-ms-transform-origin"]="0 0",s["-o-transform-origin"]="0 0",s["transform-origin"]="0 0",s["-webkit-transform"]="rotate(0deg)",s["-moz-transform"]="rotate(0deg)",s["-ms-transform"]="rotate(0deg)",s["-o-transform"]="rotate(0deg)",s.transform="rotate(0deg)",s.opacity=1,s["pointer-events"]="none",t.onContextMenu,e.appendChild(i);var r=this._wireClickable,o=r.style;if(o.border="solid "+this._thicknessClickable+"px "+this._color,o.position="absolute",o["z-index"]=void 0===t.zIndex?"2000002":t.zIndex+1,o.width="0px",o.height="0px",o.visibility="visible",o.top="0px",o.left="0px",o["-webkit-transform-origin"]="0 0",o["-moz-transform-origin"]="0 0",o["-ms-transform-origin"]="0 0",o["-o-transform-origin"]="0 0",o["transform-origin"]="0 0",o["-webkit-transform"]="rotate(0deg)",o["-moz-transform"]="rotate(0deg)",o["-ms-transform"]="rotate(0deg)",o["-o-transform"]="rotate(0deg)",o.transform="rotate(0deg)",o.opacity=0,o["pointer-events"]="none",t.onContextMenu,e.appendChild(r),t.onMouseOver&&r.addEventListener("mouseover",(e=>{t.onMouseOver(e,this)})),t.onMouseLeave&&r.addEventListener("mouseleave",(e=>{t.onMouseLeave(e,this)})),t.onMouseWheel&&r.addEventListener("wheel",(e=>{t.onMouseWheel(e,this)})),t.onMouseDown&&r.addEventListener("mousedown",(e=>{t.onMouseDown(e,this)})),t.onMouseUp&&r.addEventListener("mouseup",(e=>{t.onMouseUp(e,this)})),t.onMouseMove&&r.addEventListener("mousemove",(e=>{t.onMouseMove(e,this)})),t.onContextMenu){W(r,(e=>{t.onContextMenu(e,this)}))}this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}get visible(){return"visible"===this._wire.style.visibility}_update(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]=i["-moz-transform"]=i["-ms-transform"]=i["-o-transform"]=i.transform="rotate("+t+"deg) translate(-"+this._thickness+"px, -"+this._thickness+"px)";var s=this._wireClickable.style;s.width=Math.round(e)+"px",s.left=Math.round(this._x1)+"px",s.top=Math.round(this._y1)+"px",s["-webkit-transform"]=s["-moz-transform"]=s["-ms-transform"]=s["-o-transform"]=s.transform="rotate("+t+"deg) translate(-"+this._thicknessClickable+"px, -"+this._thicknessClickable+"px)"}setStartAndEnd(e,t,i,s){this._x1=e,this._y1=t,this._x2=i,this._y2=s,this._update()}setColor(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}setOpacity(e){this._wire.style.opacity=e}_updateVisibility(){this._wire.style.visibility=this._wireClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}setVisible(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}setCulled(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}setClickable(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}setHighlighted(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}destroy(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}const Z=d.vec3(),q=d.vec4(),$=function(){const e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(s,r,o){return o=o||e,t[0]=r[0],t[1]=r[1],t[2]=r[2],t[3]=1,d.transformVec4(s,t,i),d.setMat4Translation(s,i,o),o.slice()}}();function ee(e,t,i){const s=Float32Array.from([e[0]])[0],r=e[0]-s,o=Float32Array.from([e[1]])[0],n=e[1]-o,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=s,t[1]=o,t[2]=a,i[0]=r,i[1]=n,i[2]=l}function te(e,t,i,s=1e3){const r=d.getPositionsCenter(e,Z),o=Math.round(r[0]/s)*s,n=Math.round(r[1]/s)*s,a=Math.round(r[2]/s)*s;i[0]=o,i[1]=n,i[2]=a;const l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]-o,t[i+1]=e[i+1]-n,t[i+2]=e[i+2]-a;return l}function ie(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function se(e,t,i,s,r){const o=r?(q.set(i,0),q[3]=1,d.mulMat4v4(r,q,q)):i,n=d.dotVec3(t,o)+e,a=d.normalizeVec3(t,Z);return d.mulVec3Scalar(a,-n,s),s}const re=1,oe=4,ne=8,ae=16,le=32,Ae=256,he=512,ce=1024,ue=2048,de=new Float32Array([0,0,0]),pe=new Uint16Array([0,0,0]);d.OBB3();class fe{constructor(e,t,i,s,r,o){this._isObject=t,this.scene=e.scene,this.model=e,this.isSceneModelEntity=!0,this.meshes=s,this._numPrimitives=0;for(let e=0,t=this.meshes.length;e<t;e++){const t=this.meshes[e];t.parent=this,t.entity=this,this._numPrimitives+=t.numPrimitives}this.id=i,this.originalSystemId=d.unglobalizeObjectId(e.id,i),this._flags=r,this._aabb=d.AABB3(),this._aabbDirty=!0,this._offset=d.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&e.scene._registerObject(this)}_transformDirty(){this._aabbDirty=!0,this.model._transformDirty()}_sceneModelDirty(){this._aabbDirty=!0;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this.meshes.length;e<t;e++)d.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}get isEntity(){return!0}get isModel(){return!1}get isObject(){return this._isObject}get numPrimitives(){return this._numPrimitives}get numTriangles(){return this._numPrimitives}get visible(){return this._getFlag(re)}set visible(e){if(!!(this._flags&re)!==e){this._flags=e?this._flags|re:this._flags&~re;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}get highlighted(){return this._getFlag(he)}set highlighted(e){if(!!(this._flags&he)!==e){this._flags=e?this._flags|he:this._flags&~he;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}get xrayed(){return this._getFlag(Ae)}set xrayed(e){if(!!(this._flags&Ae)!==e){this._flags=e?this._flags|Ae:this._flags&~Ae;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}get selected(){return this._getFlag(ce)}set selected(e){if(!!(this._flags&ce)!==e){this._flags=e?this._flags|ce:this._flags&~ce;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}get edges(){return this._getFlag(ue)}set edges(e){if(!!(this._flags&ue)!==e){this._flags=e?this._flags|ue:this._flags&~ue;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}get culledVFC(){return!!this._culledVFC}set culledVFC(e){this._culledVFC=e,this._setCulled()}get culledLOD(){return!!this._culledLOD}set culledLOD(e){this._culledLOD=e,this._setCulled()}get culled(){return!!this._culled}set culled(e){this._culled=e,this._setCulled()}_setCulled(){let e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&oe)!==e){this._flags=e?this._flags|oe:this._flags&~oe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}get clippable(){return this._getFlag(ae)}set clippable(e){if(!!(this._flags&ae)!==e){this._flags=e?this._flags|ae:this._flags&~ae;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}get collidable(){return this._getFlag(le)}set collidable(e){if(!!(this._flags&le)!==e){this._flags=e?this._flags|le:this._flags&~le;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}get pickable(){return this._getFlag(ne)}set pickable(e){if(!!(this._flags&ne)!==e){this._flags=e?this._flags|ne:this._flags&~ne;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}get colorize(){if(0===this.meshes.length)return null;const e=this.meshes[0]._colorize;return de[0]=e[0]/255,de[1]=e[1]/255,de[2]=e[2]/255,de}set colorize(e){if(e){pe[0]=Math.floor(255*e[0]),pe[1]=Math.floor(255*e[1]),pe[2]=Math.floor(255*e[2]);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(pe)}else for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setColorize(null);if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t),this._colorizeUpdated=t}this.model.glRedraw()}get opacity(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1}set opacity(e){if(0===this.meshes.length)return;const t=null!=e,i=this.meshes[0]._colorize[3];let s=255;if(t){if(e<0?e=0:e>1&&(e=1),s=Math.floor(255*e),i===s)return}else if(s=255,i===s)return;for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOpacity(s,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}get offset(){return this._offset}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}get saoEnabled(){return this.model.saoEnabled}getEachVertex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}getEachIndex(e){for(let t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}get volume(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].volume;if(i<0)return-1;e+=i}return e}get surfaceArea(){let e=0;for(let t=0,i=this.meshes.length;t<i;t++){const i=this.meshes[t].surfaceArea;i>=0&&(e+=i)}return e>0?e:-1}_getFlag(e){return!!(this._flags&e)}_finalize(){const e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize(this._flags)}_finalize2(){for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}_destroy(){const e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(let e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._destroy();e._aabbDirty=!0}}const ge=d.vec4(),me=d.vec4();class _e extends R{constructor(e,t){super(e,t),this._entity=null,this._visible=null,this._worldPos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._viewPos=d.vec3(),this._canvasPos=d.vec2(),this._occludable=!1,this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewPosDirty=!0,this._needUpdate()})),this._onCameraProjMatrix=this.scene.camera.on("projMatrix",(()=>{this._canvasPosDirty=!0,this._needUpdate()})),this._onEntityDestroyed=null,this._onEntityModelDestroyed=null,this._renderer.addMarker(this),this.entity=t.entity,this.worldPos=t.worldPos,this.occludable=t.occludable}_update(){if(this._viewPosDirty&&(d.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){ge.set(this._viewPos),ge[3]=1,d.transformPoint4(this.scene.camera.projMatrix,ge,me);const e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+me[0]/me[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-me[1]/me[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}_setVisible(e){this._visible,this._visible=e,this.fire("visible",this._visible)}set entity(e){this._entity!==e&&(this._cleanupDestroyedHandlers(),this._entity=e,this._entity&&(this._entity.isSceneModelEntity?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(()=>{this._entity=null,this._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(()=>{this._entity=null,this._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0))}get entity(){return this._entity}set occludable(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}get occludable(){return this._occludable}set worldPos(e){this._worldPos.set(e||[0,0,0]),ee(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}get worldPos(){return this._worldPos}get origin(){return this._origin}get rtcPos(){return this._rtcPos}get viewPos(){return this._update(),this._viewPos}get canvasPos(){return this._update(),this._canvasPos}get visible(){return!!this._visible}destroy(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._cleanupDestroyedHandlers(),this._renderer.removeMarker(this),super.destroy()}_cleanupDestroyedHandlers(){this._entity&&(null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null))}}const ve=d.vec2(),be=d.vec2(),ye=d.vec2(),Be=d.vec2(),we=d.vec3(),Pe=d.vec3(),xe=d.vec4(),Ce=d.vec4(),Me=d.vec4(),Ee=d.vec4(),Fe=d.mat4(),Ie=()=>{};function De(e,t,i){const s=e.getBoundingClientRect(),r=t.getBoundingClientRect();i[0]+=s.left-r.left,i[1]+=s.top-r.top}const Se=(e,t,i)=>{Fe.set(e.viewMatrix),Fe.set(e.projMatrix),i.set(t),i[3]=1,d.mulMat4v4(e.viewMatrix,i,i),d.mulMat4v4(e.projMatrix,i,i)},Te=(e,t,i,s)=>{s[0]=.5*(1+i[0])*e.offsetWidth,s[1]=.5*(1-i[1])*e.offsetHeight,De(e,t,s)},Re=(e,t,i,s,r,o)=>{const n=e.camera,a=e.canvas.canvas;if(d.distVec3(i,s)<.001)return!1;const l=d.subVec3(s,i,we);let A=0,h=1;for(let t of e._sectionPlanesState.sectionPlanes){const e=d.dotVec3(t.dir,d.subVec3(t.pos,s,Pe)),r=d.dotVec3(t.dir,d.subVec3(t.pos,i,Pe));if(r>0&&e>0)return!1;if(r>0||e>0){const e=d.dotVec3(t.dir,l);if(Math.abs(e)>=1e-6){const i=d.dotVec3(t.dir,Pe)/e;r>0?A=Math.max(A,i):h=Math.min(h,i)}}}const c=xe,u=Ce;Se(n,A>0?d.addVec3(i,d.mulVec3Scalar(l,A,Pe),Pe):i,c),Se(n,h<1?d.addVec3(i,d.mulVec3Scalar(l,h,Pe),Pe):s,u);const p=c[2]/c[3]<-1||c[3]<0,f=u[2]/u[3]<-1||u[3]<0;if(p&&f)return!1;const g=(c[3]+c[2])/(c[3]+c[2]-(u[3]+u[2]));if(g>0&&g<1){const e=d.subVec4(u,c,Me);d.mulVec4Scalar(e,g,e),d.addVec4(c,e,p?c:u)}d.mulVec4Scalar(c,1/c[3]),d.mulVec4Scalar(u,1/u[3]);let m=0,_=1;for(let e=0;e<2;++e){const t=u[e]-c[e],i=(-c[3]-c[e])/t,s=(c[3]-c[e])/t;t>0?(m=Math.max(m,i),_=Math.min(_,s)):(m=Math.max(m,s),_=Math.min(_,i))}if(m>=_)return!1;const v=d.subVec4(u,c,Me);return d.addVec4(c,d.mulVec4Scalar(v,_,Ee),u),d.addVec4(c,d.mulVec4Scalar(v,m,Ee),c),d.mulVec4Scalar(c,1/c[3]),d.mulVec4Scalar(u,1/u[3]),Te(a,t,c,r),Te(a,t,u,o),!0};class Le extends _e{constructor(e,t,i,s={}){const r=e.camera;super(e,t),this.__visible=!0;const o=(e,t)=>i=>{e&&e(i),this.fire(t,i,!0)};this._dot=new X(i,{borderColor:s.borderColor,fillColor:s.fillColor,zIndex:s.zIndex,onMouseOver:o(s.onMouseOver,"mouseover"),onMouseLeave:o(s.onMouseLeave,"mouseleave"),onMouseWheel:o(s.onMouseWheel,"wheel"),onMouseDown:o(s.onMouseDown,"mousedown"),onMouseUp:o(s.onMouseUp,"mouseup"),onMouseMove:o(s.onMouseMove,"mousemove"),onTouchstart:o(s.onTouchstart,"touchstart"),onTouchmove:o(s.onTouchmove,"touchmove"),onTouchend:o(s.onTouchend,"touchend"),onContextMenu:o(s.onContextMenu,"contextmenu")});const n=()=>{if(!this.__visible)return;const t=Me;((e,t)=>{t.set(e),t[3]=1,d.mulMat4v4(r.viewMatrix,t,t),d.mulMat4v4(r.projMatrix,t,t)})(this.worldPos,t),d.mulVec3Scalar(t,1/t[3]);const s=t[3]<0||t[0]<-1||t[0]>1||t[1]<-1||t[1]>1||t[2]<-1||t[2]>1||e._sectionPlanesState.sectionPlanes.some((e=>d.dotVec3(e.dir,d.subVec3(e.pos,this.worldPos,we))>0));this._dot.setCulled(s),s||((t=>{const s=e.canvas.canvas;t[0]=.5*(1+t[0])*s.offsetWidth,t[1]=.5*(1-t[1])*s.offsetHeight,De(s,i,t)})(t),this._dot.setPos(t[0],t[1]))};this.on("worldPos",n);const a=r.on("viewMatrix",n),l=r.on("projMatrix",n),A=e.canvas.on("boundary",n),h=e.on("sectionPlaneUpdated",n);this._updatePosition=n,this._cleanup=()=>{r.off(a),r.off(l),e.canvas.off(A),e.off(h),this._dot.destroy()}}setClickable(e){this._dot.setClickable(e)}setFillColor(e){this._dot.setFillColor(e)}setBorderColor(e){this._dot.setBorderColor(e)}setHighlighted(e){this._dot.setHighlighted(e)}setOpacity(e){this._dot.setOpacity(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePosition(),this._dot.setVisible(e))}destroy(){this._cleanup(),super.destroy()}}class Ue{constructor(e,t,i){const s=e.camera;this._label=new J(t,i),this._start=d.vec3(),this._mid=d.vec3(),this._end=d.vec3(),this._yOff=0,this._betweenWires=!1,this.__visible=!0;const r=(e,t,i)=>{e[0]+=t[0],e[1]+=t[1],d.mulVec2Scalar(e,.5),this._label.setPos(e[0],e[1]+i)};this._updatePositions=()=>{if(this.__visible)if(this._betweenWires){const i=Re(e,t,this._start,this._mid,ve,be),s=Re(e,t,this._end,this._mid,ye,Be);this._label.setCulled(!(i||s)),i&&s?(be[0]+=Be[0],be[1]+=Be[1],d.mulVec2Scalar(be,.5),be[0]+=ve[0]+ye[0],be[1]+=ve[1]+ye[1],d.mulVec2Scalar(be,1/3),this._label.setPos(be[0],be[1])):i?r(ve,be,0):s&&r(ye,Be,0)}else{const i=Re(e,t,this._start,this._end,ve,be)&&d.distVec2(ve,be)>=this._labelMinAxisLength;this._label.setCulled(!i),i&&r(ve,be,this._yOff)}};const o=s.on("viewMatrix",this._updatePositions),n=s.on("projMatrix",this._updatePositions),a=e.canvas.on("boundary",this._updatePositions),l=e.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=()=>{s.off(o),s.off(n),e.canvas.off(a),e.off(l),this._label.destroy()}}setPosOnWire(e,t,i,s){this._start.set(e),this._end.set(t),this._yOff=i,this._labelMinAxisLength=s,this._betweenWires=!1,this._updatePositions()}setPosBetween(e,t,i){this._start.set(e),this._mid.set(t),this._end.set(i),this._betweenWires=!0,this._updatePositions()}setFillColor(e){this._label.setFillColor(e)}setHighlighted(e){this._label.setHighlighted(e)}setText(e){this._label.setText(e)}setClickable(e){this._label.setClickable(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._label.setVisible(e))}destroy(){this._cleanup()}}class Oe{constructor(e,t,i){const s=e.camera;this._wire=new Y(t,i),this._start=d.vec3(),this._end=d.vec3(),this.__visible=!0,this._updatePositions=()=>{if(!this.__visible)return;const i=Re(e,t,this._start,this._end,ve,be);this._wire.setCulled(!i),i&&this._wire.setStartAndEnd(ve[0],ve[1],be[0],be[1])};const r=s.on("viewMatrix",this._updatePositions),o=s.on("projMatrix",this._updatePositions),n=e.canvas.on("boundary",this._updatePositions),a=e.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=()=>{s.off(r),s.off(o),e.canvas.off(n),e.off(a),this._wire.destroy()}}setEnds(e,t){this._start.set(e),this._end.set(t),this._updatePositions()}setClickable(e){this._wire.setClickable(e)}setColor(e){this._wire.setColor(e)}setHighlighted(e){this._wire.setHighlighted(e)}setOpacity(e){this._wire.setOpacity(e)}setVisible(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._wire.setVisible(e))}destroy(){this._cleanup()}}function ke(e,t){const i=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=i("viewer"),r=i("ray2WorldPos"),o=i("handleMouseEvents",!1),n=i("handleTouchEvents",!1),a=i("onStart",Ie),l=i("onMove",Ie),A=i("onEnd",Ie),h=s.scene,c=h.canvas.canvas,u=e=>{const t=d.vec2([e.clientX,e.clientY]);De(c.ownerDocument.documentElement,c,t),l(t,(e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(c,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),r(t,i,e)})(t))};let p=null;const f=function(e){const t=p.matchesEvent(e);t&&u(t)},g=function(t){const i=p.matchesEvent(t);i&&(e.setOpacity(b),p.cleanup(),u(i),A())},m=function(t,i){p&&p.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,p={matchesEvent:t,cleanup:function(){p=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},a()},_=[],v=function(t,i){const s=e.on(t,i);_.push((()=>e.off(s)))};if(o&&(v("mouseover",(()=>!p&&e.setOpacity(1))),v("mouseleave",(()=>!p&&e.setOpacity(b))),v("mousedown",(e=>{1===e.which&&(c.addEventListener("mousemove",f),c.addEventListener("mouseup",g),m((e=>1===e.which&&e),(()=>{c.removeEventListener("mousemove",f),c.removeEventListener("mouseup",g)})))}))),n){let e;v("touchstart",(t=>{t.preventDefault(),1===t.touches.length&&(e=t.touches[0].identifier,m((t=>[...t.changedTouches].find((t=>t.identifier===e))),(()=>{e=null})))})),v("touchmove",(e=>{e.preventDefault(),f(e)})),v("touchend",(e=>{e.preventDefault(),g(e)}))}const b=.8;return e.setOpacity(b),function(){p&&p.cleanup(),_.forEach((e=>e())),e.setOpacity(1)}}function Ne(e){const t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),s=t("handleMouseEvents",!1),r=t("handleTouchEvents",!1),o=t("pointerLens",null),n=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",Ie),A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{},h=n.map((e=>{let t;return ke(e,{handleMouseEvents:s,handleTouchEvents:r,viewer:i,ray2WorldPos:(e,i,s)=>a(e,i,s)||t,onStart:()=>{t=e.worldPos.slice(),c(!1,e)},onMove:(t,i)=>{A(t),e.worldPos=i},onEnd:()=>{l(t,e)||(e.worldPos=t),A(null),c(!0,e)}})})),c=(e,t)=>n.forEach((i=>i!==t&&i.setClickable(e)));return c(!0),function(){h.forEach((e=>e())),A(null)}}const Qe=function(e,t,i){return function(s,r,o){const n=e.scene,a=n.canvas.canvas,l=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,De(a.ownerDocument.documentElement,a,t),t),A=e=>{const t=d.vec3(),s=d.vec3();return d.canvasPosToWorldRay(a,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,t,s),i(t,s)};let h=null;const c=()=>{};let u,p=c;const f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=c,u=null},g=function(){f(),a.removeEventListener("touchstart",m),a.removeEventListener("touchmove",_),a.removeEventListener("touchend",v)},m=function(i){const o=i.touches;if(1!==o.length)f(),s();else{const i=o[0],s=l(i,d.vec2());A(s)&&(u=i.identifier,p=e=>{d.distVec2(s,e)>20&&f()},h=setTimeout((function(){t.start(s),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=e=>{r(e,A(e))},p(s)}),300)}),250))}};a.addEventListener("touchstart",m,{passive:!0});const _=function(e){const t=[...e.changedTouches].find((e=>e.identifier===u));t&&p(l(t,d.vec2()))};a.addEventListener("touchmove",_,{passive:!0});const v=function(e){const t=[...e.changedTouches].find((e=>e.identifier===u));if(t){g();const e=l(t,d.vec2());o(e,A(e))}};return a.addEventListener("touchend",v,{passive:!0}),g}},Ve=d.vec3(),He=d.vec3();class je extends R{constructor(e,t={}){const i=e.viewer.scene;super(i,t),this.plugin=e;const s=t.container;if(!s)throw"config missing: container";this._color=t.color||e.defaultColor;const r=function(e){const t=[];let i=!1!==e;return{reg:e=>t.push(e),get:()=>i,set:e=>{i=!1!==e,t.forEach((e=>e(i)))}}};this._visible=r(t.visible),this._originVisible=r(t.originVisible),this._cornerVisible=r(t.cornerVisible),this._targetVisible=r(t.targetVisible),this._originWireVisible=r(t.originWireVisible),this._targetWireVisible=r(t.targetWireVisible),this._angleVisible=r(t.angleVisible),this._labelsVisible=r(),this.labelsVisible=t.labelsVisible,this._clickable=r(!1),this.approximate=t.approximate;const o=i.canvas.canvas,n=t.onMouseOver?e=>{t.onMouseOver(e,this),o.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=t.onMouseLeave?e=>{t.onMouseLeave(e,this),o.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>o.dispatchEvent(new MouseEvent("mousedown",e)),h=e=>o.dispatchEvent(new MouseEvent("mouseup",e)),c=e=>o.dispatchEvent(new MouseEvent("mousemove",e)),u=e=>o.dispatchEvent(new WheelEvent("wheel",e));this._cleanups=[],this._drawables=[];const d=(e,t)=>{const i=()=>e.setVisible(t.every((e=>e.get())));t.forEach((e=>e.reg(i))),this._drawables.push(e),this._cleanups.push((()=>e.destroy()))},p=(t,r,o)=>{const p=new Oe(i,s,{color:t,thickness:r,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return d(p,o),{setEnds:(e,t)=>p.setEnds(e,t),setColor:e=>p.setColor(e)}};this._originWire=p(this._color||"blue",1,[this._visible,this._originWireVisible]),this._targetWire=p(this._color||"red",1,[this._visible,this._targetWireVisible]);this._angleLabel=((t,r,o)=>{const p=new Ue(i,s,{fillColor:t,zIndex:e.zIndex+r,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return d(p,o),{setFillColor:e=>p.setFillColor(e),setPosOnWire:(e,t,i)=>p.setPosOnWire(e,t,i),setPosBetween:(e,t,i)=>p.setPosBetween(e,t,i),setText:e=>p.setText(e)}})(this._color||"#00BBFF",2,[this._visible,this._angleVisible,this._labelsVisible]);const f=(t,r)=>{const o=new Le(i,t,s,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return o.on("worldPos",(()=>this._update())),d(o,r),o};this._originDot=f(t.origin,[this._visible,this._originVisible]),this._cornerDot=f(t.corner,[this._visible,this._cornerVisible]),this._targetDot=f(t.target,[this._visible,this._targetVisible]),this._update()}_update(){if(!this._targetDot)return;const e=this._originDot.worldPos,t=this._cornerDot.worldPos,i=this._targetDot.worldPos;this._originWire.setEnds(e,t),this._targetWire.setEnds(t,i),this._angleLabel.setPosBetween(e,t,i),d.subVec3(e,t,Ve),d.subVec3(i,t,He),d.lenVec3(Ve)>0&&d.lenVec3(He)>0?(d.normalizeVec3(Ve),d.normalizeVec3(He),this._angle=Math.abs(d.angleVec3(Ve,He))*d.RADTODEG,this._angleLabel.setText((this._approximate?" ~ ":" = ")+this._angle.toFixed(2)+"°")):(this._angle=void 0,this._angleLabel.setText(""))}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}get approximate(){return this._approximate}get origin(){return this._originDot}get corner(){return this._cornerDot}get target(){return this._targetDot}get angle(){return this._angle}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF")}set visible(e){this._visible.set(e)}get visible(){return this._visible.get()}set originVisible(e){this._originVisible.set(e)}get originVisible(){return this._originVisible.get()}set cornerVisible(e){this._cornerVisible.set(e)}get cornerVisible(){return this._cornerVisible.get()}set targetVisible(e){this._targetVisible.set(e)}get targetVisible(){return this._targetVisible.get()}set originWireVisible(e){this._originWireVisible.set(e)}get originWireVisible(){return this._originWireVisible.get()}set targetWireVisible(e){this._targetWireVisible.set(e)}get targetWireVisible(){return this._targetWireVisible.get()}set angleVisible(e){this._angleVisible.set(e)}get angleVisible(){return this._angleVisible.get()}set labelsVisible(e){this._labelsVisible.set(void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible)}get labelsVisible(){return this._labelsVisible.get()}setHighlighted(e){this._drawables.forEach((t=>t.setHighlighted(e)))}set clickable(e){this._clickable.set(!!e),this._drawables.forEach((e=>e.setClickable(this._clickable.get())))}get clickable(){return this._clickable.get()}destroy(){this._cleanups.forEach((e=>e())),super.destroy()}}class Ge extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class ze extends Ge{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentAngleMeasurement=null,this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}_destroyMarkerDiv(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}_attachPlugin(e,t={}){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;const e=this.scene;e.input;const t=e.canvas.canvas,i=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens;let r=!1,o=null,n=0,a=0;const l=d.vec3(),A=d.vec2();this._currentAngleMeasurement=null;const h=d.vec2(),c=e=>{e.snappedToVertex||e.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!0),this.markerDiv.style.background="greenyellow",this.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.canvasPos,s.snapped=!1),this.markerDiv.style.background="pink",this.markerDiv.style.border="2px solid red");const i=e.snappedCanvasPos||e.canvasPos;switch(r=!0,o=e.entity,l.set(e.worldPos),A.set(i),this._mouseState){case 0:if(this._canvasToPagePos)this._canvasToPagePos(t,i,h),this.markerDiv.style.left=h[0]-5+"px",this.markerDiv.style.top=h[1]-5+"px";else{const e=d.vec2(i);De(t,this.markerDiv.parentNode,e),this.markerDiv.style.left=e[0]-5+"px",this.markerDiv.style.top=e[1]-5+"px"}break;case 1:this._currentAngleMeasurement&&(this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer";break;case 2:this._currentAngleMeasurement&&(this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity),this.markerDiv.style.left="-10000px",this.markerDiv.style.top="-10000px",t.style.cursor="pointer"}};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&c(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||c(e)})),t.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(n=e.clientX,a=e.clientY)}),t.addEventListener("mouseup",this._onMouseUp=e=>{if(1===e.which&&!(e.clientX>n+20||e.clientX<n-20||e.clientY>a+20||e.clientY<a-20))switch(this._mouseState){case 0:r&&(this._currentAngleMeasurement=this.angleMeasurementsPlugin.createMeasurement({id:d.createUUID(),origin:{worldPos:l,entity:o},corner:{worldPos:l,entity:o},target:{worldPos:l,entity:o},approximate:!0}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._currentAngleMeasurement.origin.entity=o,this._mouseState=1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement));break;case 1:r?(this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.corner.entity=o,this._mouseState=2):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement));break;case 2:r?(this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this._currentAngleMeasurement.target.entity=o,this._currentAngleMeasurement.clickable=!0,o=null,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._mouseState=0):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null,o=null,this._mouseState=0,this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement))}});const u=e=>{if(r=!1,s&&(s.visible=!0,s.canvasPos=e.canvasPos,s.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,s.snapped=!1),this.markerDiv.style.left="-100px",this.markerDiv.style.top="-100px",this._currentAngleMeasurement){switch(this._mouseState){case 0:this._currentAngleMeasurement.originVisible=!1;break;case 1:this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1;break;case 2:this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1}t.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&u(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||u(e)})),this._active=!0}deactivate(){if(!this._active)return;this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Ke extends z{constructor(e,t={}){super("AngleMeasurements",e),this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,angleMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,angleMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get control(){return this._defaultControl||(this._defaultControl=new ze(this,{})),this._defaultControl}get measurements(){return this._measurements}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.corner,s=e.target,r=new je(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},corner:{entity:i.entity,worldPos:i.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:e.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[r.id]=r,r.on("destroyed",(()=>{delete this._measurements[r.id]})),r.clickable=!0,this.fire("measurementCreated",r),r}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}const We=d.vec2();class Xe extends Ge{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentAngleMeasurement=null,this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._touchState=0,this._attachPlugin(e,t)}_attachPlugin(e){this.angleMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),c(),this._touchState=0},p=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,De(i.ownerDocument.documentElement,i,t),t),f=(e,t)=>(t.set(e),De(i,i.ownerDocument.documentElement,t),t);i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0];switch(p(c,n),a.set(n),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(f(i.snappedCanvasPos,We));else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(f(e.canvasPos,We))}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement?this._currentAngleMeasurement.origin.worldPos=s:(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},corner:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1),this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(f(e.snappedCanvasPos,We)),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(f(e.canvasPos,We)),s.set(e.worldPos),this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.corner.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;case 6:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(f(e.snappedCanvasPos,We)),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(f(e.canvasPos,We)),s.set(e.worldPos),this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.target.entity=e.entity,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementStart",this._currentAngleMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=8,h()}),this._longTouchTimeoutMs),this._touchState=7),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(e=>{this.pointerCircle.stop();const i=e.touches.length;if(1!==i||1!==e.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const r=e.touches[0];if(r.identifier!==A)return;let n,l;switch(p(r,a),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),n=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),n&&n.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=n.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(n.worldPos),this._currentAngleMeasurement.origin.worldPos=n.worldPos):(l=t.pick({canvasPos:a,pickSurface:!0}),l&&l.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=l.canvasPos,this.pointerLens.snapped=!1),s.set(l.worldPos),this._currentAngleMeasurement.origin.worldPos=l.worldPos):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),n=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),n&&n.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=n.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.corner.worldPos=n.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1):(l=t.pick({canvasPos:a,pickSurface:!0}),l&&l.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=l.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.corner.worldPos=l.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1)),this._touchState=5;break;case 8:if(1!==i&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),n=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),n&&n.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=n.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentAngleMeasurement.target.worldPos=n.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0):(l=t.pick({canvasPos:a,pickSurface:!0}),l&&l.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=l.canvasPos,this.pointerLens.snapped=!1),this._currentAngleMeasurement.target.worldPos=l.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0)),this._touchState=8}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0];if(h.identifier!==A)return;o&&(clearTimeout(o),o=null),p(h,l);const u=l[0],f=l[1];switch(this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentAngleMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos},corner:{worldPos:i.worldPos},target:{worldPos:i.worldPos}}),this._currentAngleMeasurement.clickable=!1,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!1,this._currentAngleMeasurement.cornerVisible=!1,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=3):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.corner.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!1,this._currentAngleMeasurement.targetVisible=!1,this._currentAngleMeasurement.targetWireVisible=!1,this._currentAngleMeasurement.angleVisible=!1,this._touchState=6):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0)}c();break;case 5:this.pointerLens&&(this.pointerLens.visible=!1),this._touchState=6,c();break;case 7:{if(1!==s||u>n[0]+r||u<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=6);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentAngleMeasurement.target.worldPos=e.worldPos,this._currentAngleMeasurement.originVisible=!0,this._currentAngleMeasurement.originWireVisible=!0,this._currentAngleMeasurement.cornerVisible=!0,this._currentAngleMeasurement.cornerWireVisible=!0,this._currentAngleMeasurement.targetVisible=!0,this._currentAngleMeasurement.targetWireVisible=!0,this._currentAngleMeasurement.angleVisible=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null):this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0}c();break;case 8:this.pointerLens&&(this.pointerLens.visible=!1),this._currentAngleMeasurement&&this._currentAngleMeasurement.targetVisible?(this._currentAngleMeasurement.clickable=!0,this.angleMeasurementsPlugin.fire("measurementEnd",this._currentAngleMeasurement),this._currentAngleMeasurement=null,this._touchState=0):(this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}get currentMeasurement(){return this._currentAngleMeasurement}destroy(){this.deactivate(),super.destroy()}}class Je extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=Ne({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Ye extends Je{constructor(e,t){super(e,t,!0,!1)}}class Ze extends Je{constructor(e,t){super(e,t,!1,!0)}}const qe=d.vec3(),$e=d.vec3(),et=d.vec3();class tt extends _e{constructor(e,t){if(super(e,t),this.plugin=t.plugin,this._container=t.container,!this._container)throw"config missing: container";if(!t.markerElement&&!t.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!t.labelElement&&!t.labelHTML)throw"config missing: need either labelElement or labelHTML";this._htmlDirty=!1,t.markerElement?(this._marker=t.markerElement,this._marker.addEventListener("click",this._onMouseClickedExternalMarker=()=>{this.plugin.fire("markerClicked",this)}),this._onContextMenuExternalMarker=()=>{this.plugin.fire("contextmenu",this)},this._onContextMenuExternalMarkerRemover=W(this._marker,this._onContextMenuExternalMarker),this._marker.addEventListener("mouseenter",this._onMouseEnterExternalMarker=()=>{this.plugin.fire("markerMouseEnter",this)}),this._marker.addEventListener("mouseleave",this._onMouseLeaveExternalMarker=()=>{this.plugin.fire("markerMouseLeave",this)}),this._markerExternal=!0):(this._markerHTML=t.markerHTML,this._htmlDirty=!0,this._markerExternal=!1),t.labelElement?(this._label=t.labelElement,this._labelExternal=!0):(this._labelHTML=t.labelHTML,this._htmlDirty=!0,this._labelExternal=!1),this._markerShown=!!t.markerShown,this._labelShown=!!t.labelShown,this._values=t.values||{},this._layoutDirty=!0,this._visibilityDirty=!0,this._labelPosition=24,this._buildHTML(),this._onTick=this.scene.on("tick",(()=>{this._htmlDirty&&(this._buildHTML(),this._htmlDirty=!1,this._layoutDirty=!0,this._visibilityDirty=!0),(this._layoutDirty||this._visibilityDirty)&&(this._markerShown||this._labelShown)&&(this._updatePosition(),this._layoutDirty=!1),this._visibilityDirty&&(this._marker.style.visibility=this.visible&&this._markerShown?"visible":"hidden",this._label.style.visibility=this.visible&&this._markerShown&&this._labelShown?"visible":"hidden",this._visibilityDirty=!1)})),this.on("canvasPos",(()=>{this._layoutDirty=!0})),this.on("visible",(()=>{this._visibilityDirty=!0})),this.setMarkerShown(!1!==t.markerShown),this.setLabelShown(t.labelShown),this.eye=t.eye?t.eye.slice():null,this.look=t.look?t.look.slice():null,this.up=t.up?t.up.slice():null,this.projection=t.projection}_buildHTML(){if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);let e=this._markerHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._marker=t.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(()=>{this.plugin.fire("markerClicked",this)})),W(this._marker,(e=>{e.preventDefault(),this.plugin.fire("contextmenu",this)}),(e=>{e.preventDefault(),this.plugin.fire("markerClicked",this)})),this._marker.addEventListener("mouseenter",(()=>{this.plugin.fire("markerMouseEnter",this)})),this._marker.addEventListener("mouseleave",(()=>{this.plugin.fire("markerMouseLeave",this)})),this._marker.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);let e=this._labelHTML||"<p></p>";y.isArray(e)&&(e=e.join("")),e=this._renderTemplate(e.trim());const t=document.createRange().createContextualFragment(e);this._label=t.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(e=>{this.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",e))}))}}_updatePosition(){const e=e=>e+"px",t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],s=t[1]+this.canvasPos[1],r=this._marker.getBoundingClientRect().width,o=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(r/2-12);this._marker.style.left=e(o-r/2),this._marker.style.top=e(s-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;const n=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(o+a*(r/2+Math.abs(this._labelPosition)+n/2)-n/2),this._label.style.top=e(s-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}_renderTemplate(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){const i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}setFromPickResult(e){if(e.worldPos&&e.worldNormal){const t=d.normalizeVec3(e.worldNormal,qe),i=this.plugin&&this.plugin.surfaceOffset||0,s=d.mulVec3Scalar(t,i,$e),r=d.addVec3(e.worldPos,s,et);this.entity=e.entity,this.worldPos=r}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}setMarkerAlign(e){const t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}setLabelPosition(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}setMarkerShown(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}getMarkerShown(){return this._markerShown}setLabelShown(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}getLabelShown(){return this._labelShown}setField(e,t){this._values[e]=t||"",this._htmlDirty=!0}getField(e){return this._values[e]}setValues(e){for(var t in e)if(e.hasOwnProperty(t)){const i=e[t];this.setField(t,i)}}getValues(){return this._values}destroy(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._onContextMenuExternalMarkerRemover(),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),super.destroy()}}class it extends z{constructor(e,t){super("Annotations",e),this._labelHTML=t.labelHTML||"<div></div>",this._markerHTML=t.markerHTML||"<div></div>",this._container=t.container||document.body,this._values=t.values||{},this.annotations={},this.surfaceOffset=t.surfaceOffset}getContainerElement(){return this._container}send(e,t){if("clearAnnotations"===e)this.clear()}set surfaceOffset(e){null==e&&(e=.3),this._surfaceOffset=e}get surfaceOffset(){return this._surfaceOffset}createAnnotation(e){this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=null;e.markerElementId&&((t=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var i=null;e.labelElementId&&((i=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));const s=new tt(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:t,labelElement:i,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:y.apply(e.values,y.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(()=>{delete this.annotations[s.id],this.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}destroyAnnotation(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}clear(){const e=Object.keys(this.annotations);for(var t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}destroy(){this.clear(),super.destroy()}}class st extends R{get type(){return"Spinner"}constructor(e,t={}){super(e,t),this._canvas=t.canvas,this._element=null,this._isCustom=!1,t.elementId&&(this._element=document.getElementById(t.elementId),this._element?this._adjustPosition():this.error("Can't find given Spinner HTML element: '"+t.elementId+"' - will automatically create default element")),this._element||this._createDefaultSpinner(),this.processes=0}_createDefaultSpinner(){this._injectDefaultCSS();const e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}_injectDefaultCSS(){const e="xeokit-spinner-css";if(document.getElementById(e))return;const t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}_adjustPosition(){if(this._isCustom)return;const e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}set processes(e){if(e=e||0,this._processes===e)return;if(e<0)return;const t=this._processes;this._processes=e;const i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}get processes(){return this._processes}_destroy(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);const e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}const rt=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"];class ot extends R{constructor(e,t={}){super(e,t),this._backgroundColor=d.vec3([t.backgroundColor?t.backgroundColor[0]:1,t.backgroundColor?t.backgroundColor[1]:1,t.backgroundColor?t.backgroundColor[2]:1]),this._backgroundColorFromAmbientLight=!!t.backgroundColorFromAmbientLight,this.canvas=t.canvas,this.gl=null,this.webgl2=!1,this.transparent=!!t.transparent,this.contextAttr=t.contextAttr||{},this.contextAttr.alpha=this.transparent,this.contextAttr.preserveDrawingBuffer=!!this.contextAttr.preserveDrawingBuffer,this.contextAttr.stencil=!1,this.contextAttr.premultipliedAlpha=!!this.contextAttr.premultipliedAlpha,this.contextAttr.antialias=!1!==this.contextAttr.antialias,this.resolutionScale=t.resolutionScale,this.canvas.width=Math.round(this.canvas.clientWidth*this._resolutionScale),this.canvas.height=Math.round(this.canvas.clientHeight*this._resolutionScale),this.boundary=[this.canvas.offsetLeft,this.canvas.offsetTop,this.canvas.clientWidth,this.canvas.clientHeight],this._initWebGL(t);const i=this;this.canvas.addEventListener("webglcontextlost",this._webglcontextlostListener=function(e){console.time("webglcontextrestored"),i.scene._webglContextLost(),i.fire("webglcontextlost"),e.preventDefault()},!1),this.canvas.addEventListener("webglcontextrestored",this._webglcontextrestoredListener=function(e){i._initWebGL(),i.gl&&(i.scene._webglContextRestored(i.gl),i.fire("webglcontextrestored",i.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);let s=!0;new ResizeObserver((e=>{for(const t of e)t.contentBoxSize&&(s=!0)})).observe(this.canvas),this._tick=this.scene.on("tick",(()=>{s&&(s=!1,i.canvas.width=Math.round(i.canvas.clientWidth*i._resolutionScale),i.canvas.height=Math.round(i.canvas.clientHeight*i._resolutionScale),i.boundary[0]=i.canvas.offsetLeft,i.boundary[1]=i.canvas.offsetTop,i.boundary[2]=i.canvas.clientWidth,i.boundary[3]=i.canvas.clientHeight,i.fire("boundary",i.boundary))})),this._spinner=new st(this.scene,{canvas:this.canvas,elementId:t.spinnerElementId})}get type(){return"Canvas"}get backgroundColorFromAmbientLight(){return this._backgroundColorFromAmbientLight}set backgroundColorFromAmbientLight(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}get backgroundColor(){return this._backgroundColor}set backgroundColor(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}get resolutionScale(){return this._resolutionScale}set resolutionScale(e){if((e=e||1)===this._resolutionScale)return;this._resolutionScale=e;const t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}get spinner(){return this._spinner}_createCanvas(){const e="xeokit-canvas-"+d.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),s=i.style;s.height="100%",s.width="100%",s.padding="0",s.margin="0",s.background="rgba(0,0,0,0);",s.float="left",s.left="0",s.top="0",s.position="absolute",s.opacity="1.0",s["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}_getElementXY(e){let t=0,i=0;for(;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}_initWebGL(){if(!this.gl)for(let e=0;!this.gl&&e<rt.length;e++)try{this.gl=this.canvas.getContext(rt[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));{const e=this.gl;let t="__",i=e.activeTexture;e.activeTexture=function(e){t!==e&&(t=e,i.call(this,e))};let s={},r=e.bindTexture;e.bindTexture=function(e,i){s[t]!==i&&(s[t]=i,r.call(this,e,i))}}this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}getSnapshot(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}readPixels(e,t,i,s){return this.scene._renderer.readPixels(e,t,i,s)}loseWebGLContext(){this.canvas.loseContext&&this.canvas.loseContext()}destroy(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,super.destroy()}}class nt{constructor(e){this._scene=e,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}reset(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=d.vec3(),this.snapPickOrigin=d.vec3()}getRTCViewMatrix(e,t){let i=this._rtcViewMats[e];return i||(i=this._getNewMat(),$(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}getRTCPickViewMatrix(e,t){let i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();const s=this.pickViewMatrix||this._scene.camera.viewMatrix;$(s,t,i),this._rtcPickViewMats[e]=i}return i}_getNewMat(){let e=this._matPool[this._matPoolNextFreeIndex];return e||(e=d.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}const at={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},lt=document.createElement("canvas");if(lt){const e=lt.getContext("webgl",{antialias:!0})||lt.getContext("experimental-webgl",{antialias:!0});at.WEBGL=!!e,at.WEBGL&&(at.ANTIALIAS=e.getContextAttributes().antialias,e.getShaderPrecisionFormat?e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0?at.FS_MAX_FLOAT_PRECISION="highp":e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?at.FS_MAX_FLOAT_PRECISION="mediump":at.FS_MAX_FLOAT_PRECISION="lowp":at.FS_MAX_FLOAT_PRECISION="mediump",at.DEPTH_BUFFER_BITS=e.getParameter(e.DEPTH_BITS),at.MAX_TEXTURE_SIZE=e.getParameter(e.MAX_TEXTURE_SIZE),at.MAX_CUBE_MAP_SIZE=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),at.MAX_RENDERBUFFER_SIZE=e.getParameter(e.MAX_RENDERBUFFER_SIZE),at.MAX_TEXTURE_UNITS=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS),at.MAX_TEXTURE_IMAGE_UNITS=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),at.MAX_VERTEX_ATTRIBS=e.getParameter(e.MAX_VERTEX_ATTRIBS),at.MAX_VERTEX_UNIFORM_VECTORS=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),at.MAX_FRAGMENT_UNIFORM_VECTORS=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),at.MAX_VARYING_VECTORS=e.getParameter(e.MAX_VARYING_VECTORS),e.getSupportedExtensions().forEach((function(e){at.SUPPORTED_EXTENSIONS[e]=!0})))}class At{constructor(){this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}get canvasPos(){return this._gotCanvasPos?this._canvasPos:null}set canvasPos(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}get origin(){return this._gotOrigin?this._origin:null}set origin(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}get direction(){return this._gotDirection?this._direction:null}set direction(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}get indices(){return this.entity&&this._gotIndices?this._indices:null}set indices(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}get localPos(){return this.entity&&this._gotLocalPos?this._localPos:null}set localPos(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}get snappedCanvasPos(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null}set snappedCanvasPos(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}get worldPos(){return this._gotWorldPos?this._worldPos:null}set worldPos(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}get viewPos(){return this.entity&&this._gotViewPos?this._viewPos:null}set viewPos(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}get bary(){return this.entity&&this._gotBary?this._bary:null}set bary(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}get worldNormal(){return this.entity&&this._gotWorldNormal?this._worldNormal:null}set worldNormal(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}get uv(){return this.entity&&this._gotUV?this._uv:null}set uv(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}get snapped(){return this.snappedToEdge||this.snappedToVertex}reset(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}class ht{constructor(e,t,i){if(this.allocated=!1,this.compiled=!1,this.handle=e.createShader(t),this.handle){if(this.allocated=!0,e.shaderSource(this.handle,i),e.compileShader(this.handle),this.compiled=e.getShaderParameter(this.handle,e.COMPILE_STATUS),!this.compiled&&!e.isContextLost()){const t=i.split("\n"),s=[];for(let e=0;e<t.length;e++)s.push(e+1+": "+t[e]+"\n");this.errors=[],this.errors.push(""),this.errors.push(e.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(s.join(""))}}else this.errors=["Failed to allocate"]}destroy(){}}class ct{constructor(e,t){this.bindTexture=function(i,s){return!!i.bind(s)&&(e.uniform1i(t,s),!0)}}}class ut{constructor(e,t){this._gl=e,this.location=t}bindArrayBuffer(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}const dt=new e({});function pt(e){const t=[];let i,s;for(let r=0,o=e.length;r<o;r++)i=e[r],s=i.indexOf("/"),s>0&&"/"===i.charAt(s+1)&&(i=i.substring(0,s)),t.push(i);return t.join("\n")}function ft(e){console.error(e.join("\n"))}class gt{constructor(e,t){this.id=dt.addItem({}),this.source=t,this.init(e)}init(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new ht(e,e.VERTEX_SHADER,pt(this.source.vertex)),this._fragmentShader=new ht(e,e.FRAGMENT_SHADER,pt(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void ft(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void ft(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void ft(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void ft(this.errors);let t,i,s,r,o;if(this.compiled=!0,this.handle=e.createProgram(),!this.handle)return void(this.errors=["Failed to allocate program"]);if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void ft(this.errors);const n=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<n;++i)s=e.getActiveUniform(this.handle,i),s&&(r=s.name,"\0"===r[r.length-1]&&(r=r.substr(0,r.length-1)),o=e.getUniformLocation(this.handle,r),s.type===e.SAMPLER_2D||s.type===e.SAMPLER_CUBE||35682===s.type||e instanceof WebGL2RenderingContext&&(s.type===e.UNSIGNED_INT_SAMPLER_2D||s.type===e.INT_SAMPLER_2D)?this.samplers[r]=new ct(e,o):this.uniforms[r]=o);const a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)t=e.getActiveAttrib(this.handle,i),t&&(o=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new ut(e,o));this.allocated=!0}bind(){this.allocated&&this.gl.useProgram(this.handle)}getLocation(e){if(this.allocated)return this.uniforms[e]}getAttribute(e){if(this.allocated)return this.attributes[e]}bindTexture(e,t,i){if(!this.allocated)return!1;const s=this.samplers[e];return!!s&&s.bindTexture(t,i)}destroy(){this.allocated&&(dt.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}class mt{constructor(e,t,i,s,r,o,n,a,l){switch(this._gl=e,this.type=t,this.allocated=!1,i.constructor){case Uint8Array:this.itemType=e.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=e.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=e.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=e.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=e.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=e.INT,this.itemByteSize=4;break;default:this.itemType=e.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=r,this.normalized=!!n,this.stride=a||0,this.offset=l||0,this._allocate(i)}_allocate(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}setData(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}bind(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}unbind(){this.allocated&&this._gl.bindBuffer(this.type,null)}destroy(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}class _t{constructor(e,t){this.scene=e,this.aabb=d.AABB3(),this.origin=d.vec3(t),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}addMarker(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}markerWorldPosUpdated(e){if(!this.markers[e.id])return;const t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}removeMarker(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}update(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}_buildMarkerList(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}_buildPositions(){let e=0;for(let t=0;t<this.numMarkers;t++)if(this.markerList[t]){const i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}_buildAABB(){const e=this.aabb;d.collapseAABB3(e),d.expandAABB3Points3(e,this.positions);const t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}_buildVBOs(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}const e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new mt(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}_buildOcclusionTestList(){const e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,s=i[2],r=i[3];let o=0;this.lenOcclusionTestList=0;for(let e=0;e<this.numMarkers;e++){const i=this.markerList[e];if(i.viewPos[2]>-t){i._setVisible(!1);continue}const n=i.canvasPos,a=n[0],l=n[1];a+10<0||l+10<0||a-10>s||l-10>r?i._setVisible(!1):!i.entity||i.entity.visible?i.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=i,this.pixels[o++]=a,this.pixels[o++]=l):i._setVisible(!0):i._setVisible(!1)}}_updateActiveSectionPlanes(){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i];if(t.active){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return void(this.culledBySectionPlanes=!0);const s=0===e;this.sectionPlanesActive[i]=s}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}destroy(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}const vt=d.vec3([1,0,0]),bt=d.vec3();class yt{constructor(e,t){this._scene=e,this._renderBufferManager=t,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=e.camera.on("viewMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCameraProjMatrix=e.camera.on("projMatrix",(()=>{this._occlusionTestListDirty=!0})),this._onCanvasBoundary=e.canvas.on("boundary",(()=>{this._occlusionTestListDirty=!0}))}addMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i||(i=new _t(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}markerWorldPosUpdated(e){const t=this._markersToOcclusionLayersMap[e.id];if(!t)return;const i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);let s=this._occlusionLayers[i];s||(s=new _t(this._scene,e.origin),this._occlusionLayers[i]=s,this._occlusionLayersListDirty=!0),s.addMarker(e),this._markersToOcclusionLayersMap[e.id]=s}else t.markerWorldPosUpdated(e)}removeMarker(e){const t=e.origin.join();let i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}get needOcclusionTest(){return this._occlusionTestListDirty}bindRenderBuf(){const e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}_buildOcclusionLayersList(){let e=0;for(let t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}_buildShaderSource(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}_buildVertexShaderSource(){const e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}_buildFragmentShaderSource(){const e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,s=[];if(s.push("#version 300 es"),s.push("// OcclusionTester fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;");for(let e=0;e<t.sectionPlanes.length;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  float dist = 0.0;");for(var r=0;r<t.sectionPlanes.length;r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),s.push("}"),s}_buildProgram(){this._program&&this._program.destroy();const e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new gt(t,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=i.sectionPlanes.length;e<t;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))}drawMarkers(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e._sectionPlanesState,r=e.camera,o=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,r._project._state.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,i=this._occlusionLayersList.length;e<i;e++){const i=this._occlusionLayersList[e];if(i.update(),i.culledBySectionPlanes)continue;const o=i.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,$(r.viewMatrix,o));const n=s.sectionPlanes.length;if(n>0){const e=s.sectionPlanes;for(let s=0;s<n;s++){const r=this._uSectionPlanes[s];if(r){const n=i.sectionPlanesActive[s];if(t.uniform1i(r.active,n?1:0),n){const i=e[s];t.uniform3fv(r.pos,se(i.dist,i.dir,o,bt)),t.uniform3fv(r.dir,i.dir)}}}}this._aPosition.bindArrayBuffer(i.positionsBuf);const a=i.indicesBuf;a.bind(),t.drawElements(t.POINTS,a.numItems,a.itemType,0)}}doOcclusionTest(){{const e=this._scene.canvas.resolutionScale,t=255*vt[0],i=255*vt[1],s=255*vt[2];for(let r=0,o=this._occlusionLayersList.length;r<o;r++){const o=this._occlusionLayersList[r];for(let r=0;r<o.lenOcclusionTestList;r++){const n=o.occlusionTestList[r],a=2*r,l=this._readPixelBuf.read(Math.round(o.pixels[a]*e),Math.round(o.pixels[a+1]*e)),A=l[0]===t&&l[1]===i&&l[2]===s;n._setVisible(A)}}}}unbindRenderBuf(){this._readPixelBuf.unbind()}destroy(){if(!this.destroyed){for(let e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}const Bt=d.vec2();class wt{constructor(e){this._scene=e,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}render(e){if(this._build(),this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(s.camera.projMatrix,t),t)})());const t=this._scene.canvas.gl,i=this._program,s=this._scene,r=s.sao,o=t.drawingBufferWidth,n=t.drawingBufferHeight,a=s.camera.project._state,l=a.near,A=a.far,h=a.matrix,c=this._getInverseProjectMat(),u=Math.random(),p="perspective"===s.camera.projection;Bt[0]=o,Bt[1]=n,t.viewport(0,0,o,n),t.clearColor(0,0,0,1),t.disable(t.DEPTH_TEST),t.disable(t.BLEND),t.frontFace(t.CCW),t.clear(t.COLOR_BUFFER_BIT),i.bind(),t.uniform1f(this._uCameraNear,l),t.uniform1f(this._uCameraFar,A),t.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,h),t.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,c),t.uniform1i(this._uPerspective,p),t.uniform1f(this._uScale,r.scale*(A/5)),t.uniform1f(this._uIntensity,r.intensity),t.uniform1f(this._uBias,r.bias),t.uniform1f(this._uKernelRadius,r.kernelRadius),t.uniform1f(this._uMinResolution,r.minResolution),t.uniform2fv(this._uViewport,Bt),t.uniform1f(this._uRandomSeed,u);const f=e.getDepthTexture();i.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),t.drawElements(t.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}_build(){let e=!1;const t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),!e)return;const i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new gt(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:[`#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ${this._numSamples}\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }`]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const s=new Float32Array([1,1,0,1,0,0,1,0]),r=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),o=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new mt(i,i.ARRAY_BUFFER,r,r.length,3,i.STATIC_DRAW),this._uvBuf=new mt(i,i.ARRAY_BUFFER,s,s.length,2,i.STATIC_DRAW),this._indicesBuf=new mt(i,i.ELEMENT_ARRAY_BUFFER,o,o.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}destroy(){this._program&&(this._program.destroy(),this._program=null)}}const Pt=new Float32Array(It(17,[0,1])),xt=new Float32Array(It(17,[1,0])),Ct=new Float32Array(function(e,t){const i=[];for(let s=0;s<=e;s++)i.push(Ft(s,t));return i}(17,4)),Mt=new Float32Array(2);class Et{constructor(e){this._scene=e,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}init(){const e=this._scene.canvas.gl;if(this._program=new gt(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS 16\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }"]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);const t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),s=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new mt(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new mt(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new mt(e,e.ELEMENT_ARRAY_BUFFER,s,s.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}render(e,t,i){if(this._programError)return;this._getInverseProjectMat||(this._getInverseProjectMat=(()=>{let e=!0;this._scene.camera.on("projMatrix",(function(){e=!0}));const t=d.mat4();return()=>(e&&d.inverseMat4(o.camera.projMatrix,t),t)})());const s=this._scene.canvas.gl,r=this._program,o=this._scene,n=s.drawingBufferWidth,a=s.drawingBufferHeight,l=o.camera.project._state,A=l.near,h=l.far;s.viewport(0,0,n,a),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.bind(),Mt[0]=n,Mt[1]=a,s.uniform2fv(this._uViewport,Mt),s.uniform1f(this._uCameraNear,A),s.uniform1f(this._uCameraFar,h),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,xt):s.uniform2fv(this._uSampleOffsets,Pt),s.uniform1fv(this._uSampleWeights,Ct);const c=e.getDepthTexture(),u=t.getTexture();r.bindTexture(this._uDepthTexture,c,0),r.bindTexture(this._uOcclusionTexture,u,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}destroy(){this._program.destroy()}}function Ft(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function It(e,t){const i=[];for(let s=0;s<=e;s++)i.push(t[0]*s),i.push(t[1]*s);return i}class Dt{constructor(e,t,i){i=i||{},this.gl=t,this.allocated=!1,this.canvas=e,this.buffer=null,this.bound=!1,this.size=i.size,this._hasDepthTexture=!!i.depthTexture}setSize(e){this.size=e}webglContextRestored(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}bind(...e){if(this._touch(...e),this.bound)return;const t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}createTexture(e,t,i=null){const s=this.gl,r=s.createTexture();return s.bindTexture(s.TEXTURE_2D,r),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),i?s.texStorage2D(s.TEXTURE_2D,1,i,e,t):s.texImage2D(s.TEXTURE_2D,0,s.RGBA,e,t,0,s.RGBA,s.UNSIGNED_BYTE,null),r}_touch(...e){let t,i;const s=this.gl;if(this.size?(t=this.size[0],i=this.size[1]):(t=s.drawingBufferWidth,i=s.drawingBufferHeight),this.buffer){if(this.buffer.width===t&&this.buffer.height===i)return;this.buffer.textures.forEach((e=>s.deleteTexture(e))),s.deleteFramebuffer(this.buffer.framebuf),s.deleteRenderbuffer(this.buffer.renderbuf)}const r=[];let o;e.length>0?r.push(...e.map((e=>this.createTexture(t,i,e)))):r.push(this.createTexture(t,i)),this._hasDepthTexture&&(o=s.createTexture(),s.bindTexture(s.TEXTURE_2D,o),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MAG_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_MIN_FILTER,s.NEAREST),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_S,s.CLAMP_TO_EDGE),s.texParameteri(s.TEXTURE_2D,s.TEXTURE_WRAP_T,s.CLAMP_TO_EDGE),s.texImage2D(s.TEXTURE_2D,0,s.DEPTH_COMPONENT32F,t,i,0,s.DEPTH_COMPONENT,s.FLOAT,null));const n=s.createRenderbuffer();s.bindRenderbuffer(s.RENDERBUFFER,n),s.renderbufferStorage(s.RENDERBUFFER,s.DEPTH_COMPONENT32F,t,i);const a=s.createFramebuffer();s.bindFramebuffer(s.FRAMEBUFFER,a);for(let e=0;e<r.length;e++)s.framebufferTexture2D(s.FRAMEBUFFER,s.COLOR_ATTACHMENT0+e,s.TEXTURE_2D,r[e],0);if(e.length>0&&s.drawBuffers(r.map(((e,t)=>s.COLOR_ATTACHMENT0+t))),this._hasDepthTexture?s.framebufferTexture2D(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.TEXTURE_2D,o,0):s.framebufferRenderbuffer(s.FRAMEBUFFER,s.DEPTH_ATTACHMENT,s.RENDERBUFFER,n),s.bindTexture(s.TEXTURE_2D,null),s.bindRenderbuffer(s.RENDERBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,null),s.bindFramebuffer(s.FRAMEBUFFER,a),!s.isFramebuffer(a))throw"Invalid framebuffer";s.bindFramebuffer(s.FRAMEBUFFER,null);const l=s.checkFramebufferStatus(s.FRAMEBUFFER);switch(l){case s.FRAMEBUFFER_COMPLETE:break;case s.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case s.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case s.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+l}this.buffer={framebuf:a,renderbuf:n,texture:r[0],textures:r,depthTexture:o,width:t,height:i},this.bound=!1}clear(){if(!this.bound)throw"Render buffer not bound";const e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}read(e,t,i=null,s=null,r=Uint8Array,o=4,n=0){const a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,A=new r(o),h=this.gl;return h.readBuffer(h.COLOR_ATTACHMENT0+n),h.readPixels(a,l,1,1,i||h.RGBA,s||h.UNSIGNED_BYTE,A,0),A}readArray(e=null,t=null,i=Uint8Array,s=4,r=0){const o=new i(this.buffer.width*this.buffer.height*s),n=this.gl;return n.readBuffer(n.COLOR_ATTACHMENT0+r),n.readPixels(0,0,this.buffer.width,this.buffer.height,e||n.RGBA,t||n.UNSIGNED_BYTE,o,0),o}readImageAsCanvas(){const e=this.gl,t=this._getImageDataCache(),i=t.pixelData,s=t.canvas,r=t.imageData,o=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);const n=this.buffer.width,a=this.buffer.height,l=a/2|0,A=4*n,h=new Uint8Array(4*n);for(let e=0;e<l;++e){const t=e*A,s=(a-e-1)*A;h.set(i.subarray(t,t+A)),i.copyWithin(t,s,s+A),i.set(h,s)}return r.data.set(i),o.putImageData(r,0,0),s}readImage(e){const t=this.gl,i=this._getImageDataCache(),s=i.pixelData,r=i.canvas,o=i.imageData,n=i.context,{width:a,height:l}=this.buffer;t.readPixels(0,0,a,l,t.RGBA,t.UNSIGNED_BYTE,s),o.data.set(s),n.putImageData(o,0,0),n.save(),n.globalCompositeOperation="copy",n.scale(1,-1),n.drawImage(r,0,-l,a,l),n.restore();let A=e.format||"png";return"jpeg"!==A&&"png"!==A&&"bmp"!==A&&(console.error("Unsupported image format: '"+A+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),A="png"),r.toDataURL(`image/${A}`)}_getImageDataCache(e=Uint8Array,t=4){const i=this.buffer.width,s=this.buffer.height;let r=this._imageDataCache;if(r&&(r.width===i&&r.height===s||(this._imageDataCache=null,r=null)),!r){const o=document.createElement("canvas"),n=o.getContext("2d");o.width=i,o.height=s,r={pixelData:new e(i*s*t),canvas:o,context:n,imageData:n.createImageData(i,s),width:i,height:s},this._imageDataCache=r}return r.context.resetTransform(),r}unbind(){const e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}getTexture(e=0){const t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}hasDepthTexture(){return this._hasDepthTexture}getDepthTexture(){if(!this._hasDepthTexture)return null;const e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}destroy(){if(this.allocated){const e=this.gl;this.buffer.textures.forEach((t=>e.deleteTexture(t))),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}class St{constructor(e){this.scene=e,this._renderBuffersBasic={},this._renderBuffersScaled={}}getRenderBuffer(e,t){const i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled;let s=i[e];return s||(s=new Dt(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=s),s}destroy(){for(let e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(let e in this._renderBuffersScaled)this._renderBuffersScaled[e].destroy()}}function Tt(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];let i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}const Rt=d.vec3([0,0,0]),Lt=function(t,i){i=i||{};const s=new nt(t),r=t.canvas.canvas,o=t.canvas.gl,n=!!i.transparent,a=i.alphaDepthMask,l=new e({});let A={},h={},c=[],u=[],p=!0,f=!0,g=!0,_=!0,v=!0,b=!0,y=!0,B=!0;const w=new St(t);let P=!1;const x=new wt(t),C=new Et(t);function M(){p&&(!function(){for(let e in A)if(A.hasOwnProperty(e)){const t=A[e],i=t.drawableMap,s=t.drawableListPreCull;let r=0;for(let e in i)i.hasOwnProperty(e)&&(s[r++]=i[e]);s.length=r}}(),p=!1,f=!0),f&&(!function(){let e=0;for(let t in A)if(A.hasOwnProperty(t)){const i=A[t].drawableListPreCull;for(let t=0,s=i.length;t<s;t++){const s=i[t];c[e++]=s}}c.length=e,c.sort(((e,t)=>e.renderOrder-t.renderOrder))}(),f=!1,g=!0),g&&function(){let e=0;for(let t=0,i=c.length;t<i;t++){const i=c[t];i.rebuildRenderFlags(),i.renderFlags.culled||(u[e++]=i)}u.length=e}()}function E(e){if(!e.castsShadow)return;const t=e.getShadowRenderBuf();if(t){t.bind(),s.reset(),s.backfaces=!0,s.frontface=!0,s.shadowViewMatrix=e.getShadowViewMatrix(),s.shadowProjMatrix=e.getShadowProjMatrix(),o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,1),o.enable(o.DEPTH_TEST),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];!1!==i.visible&&i.castsShadow&&i.drawShadow&&(i.renderFlags.colorOpaque&&i.drawShadow(s))}}t.unbind()}}this.scene=t,this._occlusionTester=null,this.capabilities={astcSupported:!!Tt(o,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!Tt(o,"WEBGL_compressed_texture_etc"),dxtSupported:!!Tt(o,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!Tt(o,"EXT_texture_compression_bptc"),pvrtcSupported:!(!Tt(o,"WEBGL_compressed_texture_pvrtc")&&!Tt(o,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){_=e,g=!0},this.setEdgesEnabled=function(e){v=e,g=!0},this.setSAOEnabled=function(e){b=e,g=!0},this.setPBREnabled=function(e){y=e,g=!0},this.setColorTextureEnabled=function(e){B=e,g=!0},this.needStateSort=function(){f=!0},this.shadowsDirty=function(){},this.imageDirty=function(){g=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){x.init(),C.init(),g=!0},this.addDrawable=function(e,t){const i=t.type;if(!i)return void console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring");let s=A[i];s||(s={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},A[i]=s),s.count++,s.drawableMap[e]=t,h[e]=t,p=!0},this.removeDrawable=function(e){const t=h[e];if(!t)return void console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring");const i=t.type,s=A[i];--s.count<=0?delete A[i]:delete s.drawableMap[e],delete h[e],p=!0},this.getPickID=function(e){return l.addItem(e)},this.putPickID=function(e){l.removeItem(e)},this.clear=function(e){if(o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(1,1,1,1);else{const e=t.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT)},this.needsRender=function(){return g||p||f},this.render=function(e){(e=e||{}).force&&(g=!0),M(),g&&(!function(e){const i=t.sao;b&&i.possible&&function(e){const i=t.sao,r=w.getRenderBuffer("saoDepth",{depthTexture:!0});r.bind(),r.clear(),function(e){s.reset(),s.pass=e.pass,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&t.drawDepth&&t.saoEnabled&&(t.renderFlags.colorOpaque&&t.drawDepth(s))}}(e),r.unbind();const n=w.getRenderBuffer("saoOcclusion");if(n.bind(),n.clear(),x.render(r),n.unbind(),i.blur){const e=w.getRenderBuffer("saoOcclusion2");e.bind(),e.clear(),C.render(r,n,0),e.unbind(),n.bind(),n.clear(),C.render(r,e,1),n.unbind()}}(e);(function(){let e=t._lightsState.lights;for(let t=0,i=e.length;t<i;t++){const i=e[t];i.castsShadow&&E(i)}})(),function(e){const i=[],r=[],l=[],A=[],h=[],c=[],p=[],f=[],g=[],P=[],x=[],C=[],M=[],E=[],F=[],I=[],D=t._lightsState.getAmbientColorAndIntensity();if(s.reset(),s.pass=e.pass,s.withSAO=!1,s.pbrEnabled=y&&!!t.pbrEnabled,s.colorTextureEnabled=B&&!!t.colorTextureEnabled,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),n)o.clearColor(0,0,0,0);else{const e=t.canvas.backgroundColorFromAmbientLight?D:t.canvas.backgroundColor;o.clearColor(e[0],e[1],e[2],1)}o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.enable(o.CULL_FACE),o.depthMask(!0),o.lineWidth(1),s.lineWidth=1;const S=t.sao.possible;if(b&&S){const e=w.getRenderBuffer("saoOcclusion");s.occlusionTexture=e?e.getTexture():null}else s.occlusionTexture=null;let T,R;const L=Date.now();!1!==e.clear&&o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);let U=0,O=0,k=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,K=0,W=0,X=0,J=0,Y=0,Z=0;for(let e=0,t=u.length;e<t;e++){if(R=u[e],!0===R.culled||!1===R.visible)continue;const t=R.renderFlags;t.colorOpaque&&(b&&S&&R.saoEnabled?i[U++]=R:R.drawColorOpaque(s)),_&&t.colorTransparent&&(l[k++]=R),t.xrayedSilhouetteTransparent&&(p[H++]=R),t.xrayedSilhouetteOpaque&&(h[Q++]=R),t.highlightedSilhouetteTransparent&&(x[K++]=R),t.highlightedSilhouetteOpaque&&(g[G++]=R),t.selectedSilhouetteTransparent&&(F[Y++]=R),t.selectedSilhouetteOpaque&&(M[X++]=R),R.edges&&v&&(t.edgesOpaque&&(r[O++]=R),t.edgesTransparent&&(A[N++]=R),t.selectedEdgesTransparent&&(I[Z++]=R),t.selectedEdgesOpaque&&(E[J++]=R),t.xrayedEdgesTransparent&&(f[j++]=R),t.xrayedEdgesOpaque&&(c[V++]=R),t.highlightedEdgesTransparent&&(C[W++]=R),t.highlightedEdgesOpaque&&(P[z++]=R))}if(U>0)for(s.withSAO=!0,T=0;T<U;T++)i[T].drawColorOpaque(s);if(O>0)for(T=0;T<O;T++)r[T].drawEdgesColorOpaque(s);if(Q>0)for(T=0;T<Q;T++)h[T].drawSilhouetteXRayed(s);if(V>0)for(T=0;T<V;T++)c[T].drawEdgesXRayed(s);if(H>0||j>0||k>0||N>0){if(o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):(o.blendEquation(o.FUNC_ADD),o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA)),s.backfaces=!1,a||o.depthMask(!1),(k>0||N>0)&&o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),N>0)for(T=0;T<N;T++)R=A[T],R.drawEdgesColorTransparent(s);if(k>0){const e=s.pickOrigin||t.camera.eye,i=l.map((t=>({drawable:t,distSq:d.distVec3(t.origin||Rt,e)})));for(i.sort(((e,t)=>t.distSq-e.distSq)),T=0;T<k;T++)i[T].drawable.drawColorTransparent(s)}if(j>0)for(T=0;T<j;T++)f[T].drawEdgesXRayed(s);if(H>0)for(T=0;T<H;T++)p[T].drawSilhouetteXRayed(s);o.disable(o.BLEND),a||o.depthMask(!0)}if(G>0||z>0){if(s.lastProgramId=null,t.highlightMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),z>0)for(T=0;T<z;T++)P[T].drawEdgesHighlighted(s);if(G>0)for(T=0;T<G;T++)g[T].drawSilhouetteHighlighted(s)}if(K>0||W>0||G>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),o.enable(o.CULL_FACE),W>0)for(T=0;T<W;T++)C[T].drawEdgesHighlighted(s);if(K>0)for(T=0;T<K;T++)x[T].drawSilhouetteHighlighted(s);o.disable(o.BLEND)}if(X>0||J>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),J>0)for(T=0;T<J;T++)E[T].drawEdgesSelected(s);if(X>0)for(T=0;T<X;T++)M[T].drawSilhouetteSelected(s)}if(Y>0||Z>0){if(s.lastProgramId=null,t.selectedMaterial.glowThrough&&o.clear(o.DEPTH_BUFFER_BIT),o.enable(o.CULL_FACE),o.enable(o.BLEND),n?(o.blendEquation(o.FUNC_ADD),o.blendFuncSeparate(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA,o.ONE,o.ONE_MINUS_SRC_ALPHA)):o.blendFunc(o.SRC_ALPHA,o.ONE_MINUS_SRC_ALPHA),Z>0)for(T=0;T<Z;T++)I[T].drawEdgesSelected(s);if(Y>0)for(T=0;T<Y;T++)F[T].drawSilhouetteSelected(s);o.disable(o.BLEND)}const q=Date.now(),$=m.frame;$.renderTime=(q-L)/1e3,$.drawElements=s.drawElements,$.drawArrays=s.drawArrays,$.useProgram=s.useProgram,$.bindTexture=s.bindTexture,$.bindArray=s.bindArray;const ee=at.MAX_TEXTURE_IMAGE_UNITS;for(let e=0;e<ee;e++)o.activeTexture(o.TEXTURE0+e);o.bindTexture(o.TEXTURE_CUBE_MAP,null),o.bindTexture(o.TEXTURE_2D,null);const te=at.MAX_VERTEX_ATTRIBS;for(let e=0;e<te;e++)o.disableVertexAttribArray(e)}(e)}(e),m.frame.frameCount++,g=!1)},this.pick=function(){const e=d.vec3();d.mat4();const i=d.mat4(),n=d.vec3(),a=d.vec3([0,1,0]),h=new At,c=d.vec2(),p=d.vec3(),f=d.vec3(),g=d.vec3();return d.vec3(),d.vec3(),function(m,_=h){let v;_.reset(),M();let b=null,y=null,B=null;_.pickSurface=m.pickSurface,m.canvasPos?(p[0]=m.canvasPos[0],p[1]=m.canvasPos[1],b=t.camera.viewMatrix,y=t.camera.projMatrix,B=t.camera.projection,_.canvasPos=m.canvasPos):(m.matrix?(b=m.matrix,y=t.camera.projMatrix,B=t.camera.projection):(f.set(m.origin||[0,0,0]),g.set(m.direction||[0,0,1]),v=d.addVec3(f,g,e),n[0]=Math.random(),n[1]=Math.random(),n[2]=Math.random(),d.normalizeVec3(n),d.cross3Vec3(g,n,a),b=d.lookAtMat4v(f,v,a,i),y=t.camera.ortho.matrix,B="ortho",_.origin=f,_.direction=g),p[0]=.5*r.clientWidth,p[1]=.5*r.clientHeight);for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(b,y)}}const P=w.getRenderBuffer("pick",{size:[1,1]});P.bind();const x=function(e,i,r,n,a,A){const h=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=A.origin,s.pickViewMatrix=r,s.pickProjMatrix=n,s.pickInvisible=!!a.pickInvisible,s.pickClipPos=[D(i[0]*h,o.drawingBufferWidth),S(i[1]*h,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);const c=a.includeEntityIds,d=a.excludeEntityIds;for(let e=0,t=u.length;e<t;e++){const t=u[e];!0!==t.culled&&!1!==t.visible&&(!t.drawPickMesh||!0!==a.pickInvisible&&!1===t.visible||!1===t.pickable||c&&!c[t.id]||d&&d[t.id]||t.drawPickMesh(s))}const p=e.read(0,0),f=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);if(f<0)return;return l.items[f]}(P,p,b,y,m,_);if(!x)return P.unbind(),null;const C=x.delegatePickedEntity?x.delegatePickedEntity():x;return C?(m.pickSurface&&(x.canPickTriangle&&x.canPickTriangle()?(!function(e,i,r,n,a,l){if(!i.drawPickTriangles)return;const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),i.drawPickTriangles(s);const h=e.read(0,0);let c=h[0]+256*h[1]+256*h[2]*256+256*h[3]*256*256;c*=3,l.primIndex=c}(P,x,p,b,y,_),x.pickTriangleSurface(b,y,B,_),_.pickSurfacePrecision=!1):x.canPickWorldPos&&x.canPickWorldPos()&&(c[0]=t.camera.project.near,c[1]=t.camera.project.far,F(P,x,p,b,y,c,_),!1!==m.pickSurfaceNormal&&function(e,i,r,n,a,l){const A=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=l.origin,s.pickViewMatrix=n,s.pickProjMatrix=a,s.pickClipPos=[D(r[0]*A,o.drawingBufferWidth),S(r[1]*A,o.drawingBufferHeight)];const h=w.getRenderBuffer("pick-normal",{size:[3,3]});h.bind(o.RGBA32I),o.viewport(0,0,h.size[0],h.size[1]),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),i.drawPickNormals(s);const c=h.read(1,1,o.RGBA_INTEGER,o.INT,Int32Array,4);h.unbind();const u=[c[0]/d.MAX_INT,c[1]/d.MAX_INT,c[2]/d.MAX_INT];d.normalizeVec3(u),l.worldNormal=u}(0,x,p,b,y,_),_.pickSurfacePrecision=!1)),P.unbind(),_.entity=C,_):(P.unbind(),null)}}();const F=function(){const e=d.vec4(),i=d.vec4(),n=d.vec4(),a=d.vec4(),l=d.vec4(),A=d.mat4(),h=d.mat4(),c=d.mat4();return function(u,p,f,g,m,_,v){const b=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickOrigin=v.origin,s.pickViewMatrix=g,s.pickProjMatrix=m,s.pickZNear=_[0],s.pickZFar=_[1],s.pickElementsCount=p.pickElementsCount,s.pickElementsOffset=p.pickElementsOffset,s.pickClipPos=[D(f[0]*b,o.drawingBufferWidth),S(f[1]*b,o.drawingBufferHeight)],o.viewport(0,0,1,1),o.clearColor(0,0,0,0),o.depthMask(!0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT),p.drawPickDepths(s);const y=function(e){const t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return d.dotVec4(t,i)}(u.read(0,0)),B=(f[0]-r.clientWidth/2)/(r.clientWidth/2),w=-(f[1]-r.clientHeight/2)/(r.clientHeight/2),P=p.origin;let x;if(P){const e=$(g,P,A);x=d.mulMat4(m,e,h)}else x=d.mulMat4(m,g,h);const C=d.inverseMat4(x,c);e[0]=B,e[1]=w,e[2]=-1,e[3]=1;let M=d.transformVec4(C,e);M=d.mulVec4Scalar(M,1/M[3]),i[0]=B,i[1]=w,i[2]=1,i[3]=1;let E=d.transformVec4(C,i);E=d.mulVec4Scalar(E,1/E[3]);const F=d.subVec3(E,M,n),I=d.addVec3(M,d.mulVec4Scalar(F,y,a),l);P&&d.addVec3(I,P),v.worldPos=I}}();function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&i.drawSnap&&!i.culled&&i.visible&&i.pickable&&i.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}this.snapPick=function(){const e=new At;return function(i,r=e){const{canvasPos:n,origin:a,direction:h,snapRadius:c,snapToVertex:p,snapToEdge:f}=i;if(!p&&!f)return this.pick({canvasPos:n,pickSurface:!0});const g=t.canvas.resolutionScale;s.reset(),s.backfaces=!0,s.frontface=!0,s.pickZNear=t.camera.project.near,s.pickZFar=t.camera.project.far;const m=c||30,_=w.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*m+1,2*m+1]});s.snapVectorA=[n?D(n[0]*g,o.drawingBufferWidth):0,n?S(n[1]*g,o.drawingBufferHeight):0],s.snapInvVectorAB=[o.drawingBufferWidth/(2*m),o.drawingBufferHeight/(2*m)],_.bind(o.RGBA32I,o.RGBA32I,o.RGBA8UI),o.viewport(0,0,_.size[0],_.size[1]),o.enable(o.DEPTH_TEST),o.frontFace(o.CCW),o.disable(o.CULL_FACE),o.depthMask(!0),o.disable(o.BLEND),o.depthFunc(o.LEQUAL),o.clear(o.DEPTH_BUFFER_BIT),o.clearBufferiv(o.COLOR,0,new Int32Array([0,0,0,0])),o.clearBufferiv(o.COLOR,1,new Int32Array([0,0,0,0])),o.clearBufferuiv(o.COLOR,2,new Uint32Array([0,0,0,0])),s.pickViewMatrix=n?t.camera.viewMatrix:d.lookAtMat4v(a,d.addVec3(a,h,d.vec3()),d.vec3([0,1,0]),d.mat4());const v=t.camera.projMatrix;for(let e in A)if(A.hasOwnProperty(e)){const t=A[e].drawableList;for(let e=0,i=t.length;e<i;e++){const i=t[e];i.setPickMatrices&&i.setPickMatrices(s.pickViewMatrix,v)}}o.drawBuffers([o.COLOR_ATTACHMENT0,o.COLOR_ATTACHMENT1,o.COLOR_ATTACHMENT2]);const b=function(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(let t=0,i=u.length;t<i;t++){const i=u[t];i.drawSnapInit&&!i.culled&&i.visible&&i.pickable&&i.drawSnapInit(e)}return e.snapPickLayerParams}(s),y=[];s.snapPickLayerParams=y,o.depthMask(!1),o.drawBuffers([o.COLOR_ATTACHMENT0]),p&&f?(s.snapMode="edge",I(s),s.snapMode="vertex",s.snapPickLayerNumber++,I(s)):(s.snapMode=p?"vertex":"edge",I(s)),o.depthMask(!0);const B=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4),P=_.readArray(o.RGBA_INTEGER,o.INT,Int32Array,4,1),x=_.readArray(o.RGBA_INTEGER,o.UNSIGNED_INT,Uint32Array,4,2);_.unbind();let C=null,M=null,E=null;const F=4*m+m*_.size[0]*4,T=B.slice(F,F+4),R=P.slice(F,F+4),L=x.slice(F,F+4);if(0!==T[3]){const e=b[Math.abs(T[3])%b.length],t=e.origin,i=e.coordinateScale;C=[T[0]*i[0]+t[0],T[1]*i[1]+t[1],T[2]*i[2]+t[2]],M=d.normalizeVec3([R[0]/d.MAX_INT,R[1]/d.MAX_INT,R[2]/d.MAX_INT]);const s=L[0]+(L[1]<<8)+(L[2]<<16)+(L[3]<<24);E=l.items[s]}let U=[];for(let e=0;e<B.length;e+=4)if(B[e+3]>0){const t=Math.floor(e/4),i=_.size[0],s=t%i-Math.floor(i/2),r=Math.floor(t/i)-Math.floor(i/2),o=Math.sqrt(Math.pow(s,2)+Math.pow(r,2));U.push({x:s,y:r,dist:o,isVertex:p&&f?B[e+3]>y.length/2:p,result:[B[e+0],B[e+1],B[e+2],B[e+3]],normal:[P[e+0],P[e+1],P[e+2],P[e+3]],id:[x[e+0],x[e+1],x[e+2],x[e+3]]})}let O=null,k=null,N=null,Q=null;if(U.length>0){U.sort(((e,t)=>e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist)),Q=U[0].isVertex?"vertex":"edge";const e=U[0].result,t=U[0].normal,i=U[0].id,s=y[e[3]],r=s.origin,o=s.coordinateScale;k=d.normalizeVec3([t[0]/d.MAX_INT,t[1]/d.MAX_INT,t[2]/d.MAX_INT]),O=[e[0]*o[0]+r[0],e[1]*o[1]+r[1],e[2]*o[2]+r[2]],N=l.items[i[0]+(i[1]<<8)+(i[2]<<16)+(i[3]<<24)]}if(null===C&&null==O)return null;let V=null;null!==O&&(V=t.camera.projectWorldPos(O));const H=N&&N.delegatePickedEntity?N.delegatePickedEntity():N;return!H&&E&&(E=E.delegatePickedEntity?E.delegatePickedEntity():E),r.reset(),r.snappedToEdge="edge"===Q,r.snappedToVertex="vertex"===Q,r.worldPos=O||C,r.worldNormal=k||M,r.entity=H||E,r.canvasPos=n||t.camera.projectWorldPos(C||O),r.snappedCanvasPos=V||n,r}}(),this.addMarker=function(e){this._occlusionTester=this._occlusionTester||new yt(t,w),this._occlusionTester.addMarker(e),t.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){M(),this._occlusionTester.bindRenderBuf(),s.reset(),s.backfaces=!0,s.frontface=!0,o.viewport(0,0,o.drawingBufferWidth,o.drawingBufferHeight),o.clearColor(0,0,0,0),o.enable(o.DEPTH_TEST),o.disable(o.CULL_FACE),o.disable(o.BLEND),o.clear(o.COLOR_BUFFER_BIT|o.DEPTH_BUFFER_BIT);for(let e=0,t=u.length;e<t;e++){const t=u[e];t.drawOcclusion&&!0!==t.culled&&!1!==t.visible&&!1!==t.pickable&&t.drawOcclusion(s)}this._occlusionTester.drawMarkers(s),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,s){const r=w.getRenderBuffer("snapshot");let o,n,a,l;for(r.bind(),r.clear(),this.render({force:!0,opaqueOnly:s}),n=0;n<i;n++)a=2*n,l=4*n,o=r.read(e[a],e[a+1]),t[l]=o[0],t[l+1]=o[1],t[l+2]=o[2],t[l+3]=o[3];r.unbind(),g=!0},this.beginSnapshot=function(e={}){const t=w.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),P=!0},this.renderSnapshot=function(){if(!P)return;w.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),g=!0},this.readSnapshot=function(e){return w.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return w.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){if(!P)return;w.getRenderBuffer("snapshot").unbind(),P=!1},this.destroy=function(){A={},h={},w.destroy(),x.destroy(),C.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}};class Ut extends R{constructor(e,t={}){super(e,t),this.KEY_BACKSPACE=8,this.KEY_TAB=9,this.KEY_ENTER=13,this.KEY_SHIFT=16,this.KEY_CTRL=17,this.KEY_ALT=18,this.KEY_PAUSE_BREAK=19,this.KEY_CAPS_LOCK=20,this.KEY_ESCAPE=27,this.KEY_PAGE_UP=33,this.KEY_PAGE_DOWN=34,this.KEY_END=35,this.KEY_HOME=36,this.KEY_LEFT_ARROW=37,this.KEY_UP_ARROW=38,this.KEY_RIGHT_ARROW=39,this.KEY_DOWN_ARROW=40,this.KEY_INSERT=45,this.KEY_DELETE=46,this.KEY_NUM_0=48,this.KEY_NUM_1=49,this.KEY_NUM_2=50,this.KEY_NUM_3=51,this.KEY_NUM_4=52,this.KEY_NUM_5=53,this.KEY_NUM_6=54,this.KEY_NUM_7=55,this.KEY_NUM_8=56,this.KEY_NUM_9=57,this.KEY_A=65,this.KEY_B=66,this.KEY_C=67,this.KEY_D=68,this.KEY_E=69,this.KEY_F=70,this.KEY_G=71,this.KEY_H=72,this.KEY_I=73,this.KEY_J=74,this.KEY_K=75,this.KEY_L=76,this.KEY_M=77,this.KEY_N=78,this.KEY_O=79,this.KEY_P=80,this.KEY_Q=81,this.KEY_R=82,this.KEY_S=83,this.KEY_T=84,this.KEY_U=85,this.KEY_V=86,this.KEY_W=87,this.KEY_X=88,this.KEY_Y=89,this.KEY_Z=90,this.KEY_LEFT_WINDOW=91,this.KEY_RIGHT_WINDOW=92,this.KEY_SELECT_KEY=93,this.KEY_NUMPAD_0=96,this.KEY_NUMPAD_1=97,this.KEY_NUMPAD_2=98,this.KEY_NUMPAD_3=99,this.KEY_NUMPAD_4=100,this.KEY_NUMPAD_5=101,this.KEY_NUMPAD_6=102,this.KEY_NUMPAD_7=103,this.KEY_NUMPAD_8=104,this.KEY_NUMPAD_9=105,this.KEY_MULTIPLY=106,this.KEY_ADD=107,this.KEY_SUBTRACT=109,this.KEY_DECIMAL_POINT=110,this.KEY_DIVIDE=111,this.KEY_F1=112,this.KEY_F2=113,this.KEY_F3=114,this.KEY_F4=115,this.KEY_F5=116,this.KEY_F6=117,this.KEY_F7=118,this.KEY_F8=119,this.KEY_F9=120,this.KEY_F10=121,this.KEY_F11=122,this.KEY_F12=123,this.KEY_NUM_LOCK=144,this.KEY_SCROLL_LOCK=145,this.KEY_SEMI_COLON=186,this.KEY_EQUAL_SIGN=187,this.KEY_COMMA=188,this.KEY_DASH=189,this.KEY_PERIOD=190,this.KEY_FORWARD_SLASH=191,this.KEY_GRAVE_ACCENT=192,this.KEY_OPEN_BRACKET=219,this.KEY_BACK_SLASH=220,this.KEY_CLOSE_BRACKET=221,this.KEY_SINGLE_QUOTE=222,this.KEY_SPACE=32,this.MOUSE_LEFT_BUTTON=260,this.MOUSE_MIDDLE_BUTTON=261,this.MOUSE_RIGHT_BUTTON=262,this.element=t.element,this.altDown=!1,this.ctrlDown=!1,this.mouseDownLeft=!1,this.mouseDownMiddle=!1,this.mouseDownRight=!1,this.keyDown=[],this.enabled=!0,this.keyboardEnabled=!0,this.mouseover=!1,this.mouseCanvasPos=d.vec2(),this._keyboardEventsElement=t.keyboardEventsElement||document,this._bindEvents()}_bindEvents(){if(this._eventsBound)return;this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!0:e.keyCode===this.KEY_ALT?this.altDown=!0:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!0),this.keyDown[e.keyCode]=!0,this.fire("keydown",e.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=e=>{this.enabled&&this.keyboardEnabled&&"INPUT"!==e.target.tagName&&"TEXTAREA"!==e.target.tagName&&(e.keyCode===this.KEY_CTRL?this.ctrlDown=!1:e.keyCode===this.KEY_ALT?this.altDown=!1:e.keyCode===this.KEY_SHIFT&&(this.shiftDown=!1),this.keyDown[e.keyCode]=!1,this.fire("keyup",e.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=e=>{this.enabled&&(this.mouseover=!0,this._getMouseCanvasPos(e),this.fire("mouseenter",this.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=e=>{this.enabled&&(this.mouseover=!1,this._getMouseCanvasPos(e),this.fire("mouseleave",this.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!0;break;case 2:this.mouseDownMiddle=!0;break;case 3:this.mouseDownRight=!0}this._getMouseCanvasPos(e),this.element.focus(),this.fire("mousedown",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=e=>{if(this.enabled){switch(e.which){case 1:this.mouseDownLeft=!1;break;case 2:this.mouseDownMiddle=!1;break;case 3:this.mouseDownRight=!1}this.fire("mouseup",this.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("click",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=e=>{if(this.enabled){switch(e.which){case 1:case 3:this.mouseDownLeft=!1,this.mouseDownRight=!1;break;case 2:this.mouseDownMiddle=!1}this._getMouseCanvasPos(e),this.fire("dblclick",this.mouseCanvasPos,!0),this.mouseover&&e.preventDefault()}});const e=this.scene.tickify((()=>this.fire("mousemove",this.mouseCanvasPos,!0)));this.element.addEventListener("mousemove",this._mouseMoveListener=t=>{this.enabled&&(this._getMouseCanvasPos(t),e(),this.mouseover&&t.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=e=>{this.enabled&&(this._getMouseCanvasPos(e),this.fire("contextmenu",this.mouseCanvasPos,!0))});const t=this.scene.tickify((e=>{this.fire("mousewheel",e,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=(e,i)=>{if(!this.enabled)return;const s=Math.max(-1,Math.min(1,40*-e.deltaY));t(s)},{passive:!0});{let e,t;const i=2;this.on("mousedown",(i=>{e=i[0],t=i[1]})),this.on("mouseup",(s=>{e>=s[0]-i&&e<=s[0]+i&&t>=s[1]-i&&t<=s[1]+i&&this.fire("mouseclicked",s,!0)}))}this.element.addEventListener("touchstart",this._touchstartListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchstart",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=e=>{this.enabled&&[...e.changedTouches].forEach((e=>{this.fire("touchend",[e.identifier,this._getTouchCanvasPos(e)],!0)}))}),this._eventsBound=!0}_unbindEvents(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}_getTouchCanvasPos(e){let t=e.target,i=0,s=0;for(;t.offsetParent;)i+=t.offsetLeft,s+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-s]}_getMouseCanvasPos(e){if(e){const t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}setEnabled(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}getEnabled(){return this.enabled}setKeyboardEnabled(e){this.keyboardEnabled=e}getKeyboardEnabled(){return this.keyboardEnabled}destroy(){super.destroy(),this._unbindEvents()}}const Ot=new e({});class kt{constructor(e){this.id=Ot.addItem({});for(const t in e)e.hasOwnProperty(t)&&(this[t]=e[t])}destroy(){Ot.removeItem(this.id)}}class Nt extends R{get type(){return"Viewport"}constructor(e,t={}){super(e,t),this._state=new kt({boundary:[0,0,100,100]}),this.boundary=t.boundary,this.autoBoundary=t.autoBoundary}set boundary(e){if(!this._autoBoundary){if(!e){const t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}get boundary(){return this._state.boundary}set autoBoundary(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){const t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}get autoBoundary(){return this._autoBoundary}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}class Qt extends R{get type(){return"Perspective"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new kt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this._fov=60,this._canvasResized=this.scene.canvas.on("boundary",this._needUpdate,this),this.fov=t.fov,this.fovAxis=t.fovAxis,this.near=t.near,this.far=t.far}_update(){const e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis;let s=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(s/=t),s=Math.min(s,120),d.perspectiveMat4(s*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}set fov(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}get fov(){return this._fov}set fovAxis(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}get fovAxis(){return this._fovAxis}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}class Vt extends R{get type(){return"Ortho"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new kt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.scale=t.scale,this.near=t.near,this.far=t.far,this._onCanvasBoundary=this.scene.canvas.on("boundary",this._needUpdate,this)}_update(){const e=this.scene,t=.5*this._scale,i=e.canvas.boundary,s=i[2],r=i[3],o=s/r;let n,a,l,A;s>r?(n=-t,a=t,l=t/o,A=-t/o):(n=-t*o,a=t*o,l=t,A=-t),d.orthoMat4c(n,a,A,l,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set scale(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}get scale(){return this._scale}set near(e){const t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}get near(){return this._state.near}set far(e){const t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}class Ht extends R{get type(){return"Frustum"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new kt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4(),near:.1,far:1e4}),this._left=-1,this._right=1,this._bottom=-1,this._top=1,this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.left=t.left,this.right=t.right,this.bottom=t.bottom,this.top=t.top,this.near=t.near,this.far=t.far}_update(){d.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}set left(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}get left(){return this._left}set right(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}get right(){return this._right}set top(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}get top(){return this._top}set bottom(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}get bottom(){return this._bottom}set near(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}get near(){return this._state.near}set far(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}get far(){return this._state.far}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy(),super.destroy()}}class jt extends R{get type(){return"CustomProjection"}constructor(e,t={}){super(e,t),this.camera=e,this._state=new kt({matrix:d.mat4(),inverseMatrix:d.mat4(),transposedMatrix:d.mat4()}),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!1,this.matrix=t.matrix}set matrix(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}get matrix(){return this._state.matrix}get inverseMatrix(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(d.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}get transposedMatrix(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(d.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}unproject(e,t,i,s,r){const o=this.scene.canvas.canvas,n=o.offsetWidth/2,a=o.offsetHeight/2;return i[0]=(e[0]-n)/n,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,d.mulMat4v4(this.inverseMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1,d.mulMat4v4(this.camera.inverseViewMatrix,s,r),r}destroy(){super.destroy(),this._state.destroy()}}const Gt=d.vec3(),zt=d.vec3(),Kt=d.vec3(),Wt=d.vec3(),Xt=d.vec3(),Jt=d.vec3(),Yt=d.vec4(),Zt=d.vec4(),qt=d.vec4(),$t=d.mat4(),ei=d.mat4(),ti=d.vec3(),ii=d.vec3(),si=d.vec3(),ri=d.vec3();class oi extends R{get type(){return"Camera"}constructor(e,t={}){super(e,t),this._state=new kt({deviceMatrix:d.mat4(),hasDeviceMatrix:!1,matrix:d.mat4(),normalMatrix:d.mat4(),inverseMatrix:d.mat4()}),this._perspective=new Qt(this),this._ortho=new Vt(this),this._frustum=new Ht(this),this._customProjection=new jt(this),this._project=this._perspective,this._eye=d.vec3([0,0,10]),this._look=d.vec3([0,0,0]),this._up=d.vec3([0,1,0]),this._worldUp=d.vec3([0,1,0]),this._worldRight=d.vec3([1,0,0]),this._worldForward=d.vec3([0,0,-1]),this.deviceMatrix=t.deviceMatrix,this.eye=t.eye,this.look=t.look,this.up=t.up,this.worldAxis=t.worldAxis,this.gimbalLock=t.gimbalLock,this.constrainPitch=t.constrainPitch,this.projection=t.projection,this._perspective.on("matrix",(()=>{"perspective"===this._projectionType&&this.fire("projMatrix",this._perspective.matrix)})),this._ortho.on("matrix",(()=>{"ortho"===this._projectionType&&this.fire("projMatrix",this._ortho.matrix)})),this._frustum.on("matrix",(()=>{"frustum"===this._projectionType&&this.fire("projMatrix",this._frustum.matrix)})),this._customProjection.on("matrix",(()=>{"customProjection"===this._projectionType&&this.fire("projMatrix",this._customProjection.matrix)}))}_update(){const e=this._state;let t;"ortho"===this.projection?(d.subVec3(this._eye,this._look,ti),d.normalizeVec3(ti,ii),d.mulVec3Scalar(ii,1e3,si),d.addVec3(this._look,si,ri),t=ri):t=this._eye,e.hasDeviceMatrix?(d.lookAtMat4v(t,this._look,this._up,ei),d.mulMat4(e.deviceMatrix,ei,e.matrix)):d.lookAtMat4v(t,this._look,this._up,e.matrix),d.inverseMat4(this._state.matrix,this._state.inverseMatrix),d.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}orbitYaw(e){let t=d.subVec3(this._eye,this._look,Gt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,$t),t=d.transformPoint3($t,t,zt),this.eye=d.addVec3(this._look,t,Kt),this.up=d.transformPoint3($t,this._up,Wt)}orbitPitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._eye,this._look,Gt);const i=d.cross3Vec3(d.normalizeVec3(t,zt),d.normalizeVec3(this._up,Kt));d.rotationMat4v(.0174532925*e,i,$t),t=d.transformPoint3($t,t,Wt),this.up=d.transformPoint3($t,this._up,Xt),this.eye=d.addVec3(t,this._look,Jt)}yaw(e){let t=d.subVec3(this._look,this._eye,Gt);d.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,$t),t=d.transformPoint3($t,t,zt),this.look=d.addVec3(t,this._eye,Kt),this._gimbalLock&&(this.up=d.transformPoint3($t,this._up,Wt))}pitch(e){if(this._constrainPitch&&(e=d.dotVec3(this._up,this._worldUp)/d.DEGTORAD)<1)return;let t=d.subVec3(this._look,this._eye,Gt);const i=d.cross3Vec3(d.normalizeVec3(t,zt),d.normalizeVec3(this._up,Kt));d.rotationMat4v(.0174532925*e,i,$t),this.up=d.transformPoint3($t,this._up,Jt),t=d.transformPoint3($t,t,Wt),this.look=d.addVec3(t,this._eye,Xt)}pan(e){const t=d.subVec3(this._eye,this._look,Gt),i=[0,0,0];let s;if(0!==e[0]){const r=d.cross3Vec3(d.normalizeVec3(t,[]),d.normalizeVec3(this._up,zt));s=d.mulVec3Scalar(r,e[0]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]}0!==e[1]&&(s=d.mulVec3Scalar(d.normalizeVec3(this._up,Kt),e[1]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),0!==e[2]&&(s=d.mulVec3Scalar(d.normalizeVec3(t,Wt),e[2]),i[0]+=s[0],i[1]+=s[1],i[2]+=s[2]),this.eye=d.addVec3(this._eye,i,Xt),this.look=d.addVec3(this._look,i,Jt)}zoom(e){const t=d.subVec3(this._eye,this._look,Gt),i=Math.abs(d.lenVec3(t,zt)),s=Math.abs(i+e);if(s<.5)return;const r=d.normalizeVec3(t,Kt);this.eye=d.addVec3(this._look,d.mulVec3Scalar(r,s),Wt)}set eye(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}get eye(){return this._eye}set look(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}get look(){return this._look}set up(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}get up(){return this._up}set deviceMatrix(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}get deviceMatrix(){return this._state.deviceMatrix}set worldAxis(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=d.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}get worldAxis(){return this._worldAxis}get worldUp(){return this._worldUp}get xUp(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}get yUp(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}get zUp(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}get worldRight(){return this._worldRight}get worldForward(){return this._worldForward}set gimbalLock(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}get gimbalLock(){return this._gimbalLock}set constrainPitch(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}get eyeLookDist(){return d.lenVec3(d.subVec3(this._look,this._eye,Gt))}get matrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get viewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}get normalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get viewNormalMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}get inverseViewMatrix(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}get projMatrix(){return this[this.projection].matrix}get perspective(){return this._perspective}get ortho(){return this._ortho}get frustum(){return this._frustum}get customProjection(){return this._customProjection}set projection(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}get projection(){return this._projectionType}get project(){return this._project}projectWorldPos(e){const t=Yt,i=Zt,s=qt;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,d.mulMat4v4(this.viewMatrix,t,i),d.mulMat4v4(this.projMatrix,i,s),d.mulVec3Scalar(s,1/s[3]),s[3]=1,s[1]*=-1;const r=this.scene.canvas.canvas,o=r.offsetWidth/2,n=r.offsetHeight/2;return[s[0]*o+o,s[1]*n+n]}destroy(){super.destroy(),this._state.destroy()}}class ni extends R{get type(){return"Light"}get isLight(){return!0}constructor(e,t={}){super(e,t)}}class ai extends ni{get type(){return"DirLight"}constructor(e,t={}){super(e,t),this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const i=this.scene.camera,s=this.scene.canvas;this._onCameraViewMatrix=i.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=i.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=s.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new kt({type:"dir",dir:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(this._shadowViewMatrixDirty){this._shadowViewMatrix||(this._shadowViewMatrix=d.identityMat4());const e=this.scene.camera,t=this._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]],r=[0,1,0];d.lookAtMat4v(s,i,r,this._shadowViewMatrix),this._shadowViewMatrixDirty=!1}return this._shadowViewMatrix},getShadowProjMatrix:()=>(this._shadowProjMatrixDirty&&(this._shadowProjMatrix||(this._shadowProjMatrix=d.identityMat4()),d.orthoMat4c(-40,40,-40,40,-40,80,this._shadowProjMatrix),this._shadowProjMatrixDirty=!1),this._shadowProjMatrix),getShadowRenderBuf:()=>(this._shadowRenderBuf||(this._shadowRenderBuf=new Dt(this.scene.canvas.canvas,this.scene.canvas.gl,{size:[1024,1024]})),this._shadowRenderBuf)}),this.dir=t.dir,this.color=t.color,this.intensity=t.intensity,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set dir(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get dir(){return this._state.dir}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}class li extends ni{get type(){return"AmbientLight"}constructor(e,t={}){super(e,t),this._state={type:"ambient",color:d.vec3([.7,.7,.7]),intensity:1},this.color=t.color,this.intensity=t.intensity,this.scene._lightCreated(this)}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}get intensity(){return this._state.intensity}destroy(){super.destroy(),this.scene._lightDestroyed(this)}}class Ai extends R{get type(){return"Geometry"}get isGeometry(){return!0}constructor(e,t={}){super(e,t),m.memory.meshes++}destroy(){super.destroy(),m.memory.meshes--}}var hi=function(){const e=[],t=[],i=[],s=[],r=[];let o=0;const n=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3();return function(m,_,v,b){!function(r,o){const n={};let a,l,A,h;const c=Math.pow(10,4);let u,d,p=0;for(u=0,d=r.length;u<d;u+=3)a=r[u],l=r[u+1],A=r[u+2],h=Math.round(a*c)+"_"+Math.round(l*c)+"_"+Math.round(A*c),void 0===n[h]&&(n[h]=p/3,e[p++]=a,e[p++]=l,e[p++]=A),t[u/3]=n[h];for(u=0,d=o.length;u<d;u++)s[u]=t[o[u]],i[s[u]]=o[u]}(m,_),function(t,i){o=0;for(let m=0,_=t;m<_;m+=3){const t=3*s[m],_=3*s[m+1],v=3*s[m+2];i?(n[0]=e[t],n[1]=e[t+1],n[2]=e[t+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[v],l[1]=e[v+1],l[2]=e[v+2],d.decompressPosition(n,i,A),d.decompressPosition(a,i,h),d.decompressPosition(l,i,c)):(A[0]=e[t],A[1]=e[t+1],A[2]=e[t+2],h[0]=e[_],h[1]=e[_+1],h[2]=e[_+2],c[0]=e[v],c[1]=e[v+1],c[2]=e[v+2]),d.subVec3(c,h,u),d.subVec3(A,h,p),d.cross3Vec3(u,p,f),d.normalizeVec3(f,g);const b=r[o]||(r[o]={normal:d.vec3()});b.normal[0]=g[0],b.normal[1]=g[1],b.normal[2]=g[2],o++}}(_.length,v);const y=[],B=Math.cos(d.DEGTORAD*b),w={};let P,x,C,M,E,F,I,D,S,T,R,L=!1;for(let e=0,t=_.length;e<t;e+=3){const t=e/3;for(let i=0;i<3;i++)P=s[e+i],x=s[e+(i+1)%3],C=Math.min(P,x),M=Math.max(P,x),E=C+","+M,void 0===w[E]?w[E]={index1:C,index2:M,face1:t,face2:void 0}:w[E].face2=t}for(E in w)F=w[E],void 0!==F.face2&&(I=r[F.face1].normal,D=r[F.face2].normal,S=d.dotVec3(I,D),S>B)||(T=i[F.index1],R=i[F.index2],(!L&&T>65535||R>65535)&&(L=!0),y.push(T),y.push(R));return L?new Uint32Array(y):new Uint16Array(y)}}();const ci=function(){const e=d.mat4(),t=d.mat4();return function(i,s){s=s||d.mat4();const r=i[0],o=i[1],n=i[2],a=i[3]-r,l=i[4]-o,A=i[5]-n,h=65535;return d.identityMat4(e),d.translationMat4v(i,e),d.identityMat4(t),d.scalingMat4v([a/h,l/h,A/h],t),d.mulMat4(e,t,s),s}}();var ui=function(){const e=d.mat4(),t=d.mat4();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([r[0]!==s[0]?65535/(r[0]-s[0]):0,r[1]!==s[1]?65535/(r[1]-s[1]):0,r[2]!==s[2]?65535/(r[2]-s[2]):0]);let a;for(a=0;a<i.length;a+=3)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1]))),o[a+2]=Math.max(0,Math.min(65535,Math.floor((i[a+2]-s[2])*n[2])));d.identityMat4(e),d.translationMat4v(s,e),d.identityMat4(t),d.scalingMat4v([(r[0]-s[0])/65535,(r[1]-s[1])/65535,(r[2]-s[2])/65535],t);return{quantized:o,decodeMatrix:d.mulMat4(e,t,d.identityMat4())}}}();var di=function(){const e=d.mat3(),t=d.mat3();return function(i,s,r){const o=new Uint16Array(i.length),n=new Float32Array([65535/(r[0]-s[0]),65535/(r[1]-s[1])]);let a;for(a=0;a<i.length;a+=2)o[a+0]=Math.max(0,Math.min(65535,Math.floor((i[a+0]-s[0])*n[0]))),o[a+1]=Math.max(0,Math.min(65535,Math.floor((i[a+1]-s[1])*n[1])));d.identityMat3(e),d.translationMat3v(s,e),d.identityMat3(t),d.scalingMat3v([(r[0]-s[0])/65535,(r[1]-s[1])/65535],t);return{quantized:o,decodeMatrix:d.mulMat3(e,t,d.identityMat3())}}}();function pi(e,t,i,s){let r=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),o=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){let e=(1-Math.abs(o))*(r>=0?1:-1),t=(1-Math.abs(r))*(o>=0?1:-1);r=e,o=t}return new Int8Array([Math[i](127.5*r+(r<0?-1:0)),Math[s](127.5*o+(o<0?-1:0))])}function fi(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}function gi(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}const mi={getPositionsBounds:function(e){const t=new Float32Array(3),i=new Float32Array(3);let s,r;for(s=0;s<3;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=3)for(r=0;r<3;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},createPositionsDecodeMatrix:ci,compressPositions:ui,compressPosition:function(e,t,i){const s=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*s[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*s[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*s[2])))},decompressPositions:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[12],i[s+1]=e[s+1]*t[5]+t[13],i[s+2]=e[s+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t,i=e){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){const t=new Float32Array(2),i=new Float32Array(2);let s,r;for(s=0;s<2;s++)t[s]=Number.MAX_VALUE,i[s]=-Number.MAX_VALUE;for(s=0;s<e.length;s+=2)for(r=0;r<2;r++)t[r]=Math.min(t[r],e[s+r]),i[r]=Math.max(i[r],e[s+r]);return{min:t,max:i}},compressUVs:di,decompressUVs:function(e,t,i=new Float32Array(e.length)){for(let s=0,r=e.length;s<r;s+=3)i[s+0]=e[s+0]*t[0]+t[6],i[s+1]=e[s+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){const t=new Int8Array(e.length);let i,s,r,o,n;for(let a=0;a<e.length;a+=3)r=i=pi(e,a,"floor","floor"),s=fi(i),o=n=gi(e,a,s),i=pi(e,a,"ceil","floor"),s=fi(i),o=gi(e,a,s),o>n&&(r=i,n=o),i=pi(e,a,"floor","ceil"),s=fi(i),o=gi(e,a,s),o>n&&(r=i,n=o),i=pi(e,a,"ceil","ceil"),s=fi(i),o=gi(e,a,s),o>n&&(r=i,n=o),t[a]=r[0],t[a+1]=r[1];return t},decompressNormals:function(e,t){for(let i=0,s=0,r=e.length;i<r;i+=2){let r=e[i+0],o=e[i+1];r=(2*r+1)/255,o=(2*o+1)/255;const n=1-Math.abs(r)-Math.abs(o);n<0&&(r=(1-Math.abs(o))*(r>=0?1:-1),o=(1-Math.abs(r))*(o>=0?1:-1));const a=Math.sqrt(r*r+o*o+n*n);t[s+0]=r/a,t[s+1]=o/a,t[s+2]=n/a,s+=3}return t},decompressNormal:function(e,t){let i=e[0],s=e[1];i=(2*i+1)/255,s=(2*s+1)/255;const r=1-Math.abs(i)-Math.abs(s);r<0&&(i=(1-Math.abs(s))*(i>=0?1:-1),s=(1-Math.abs(i))*(s>=0?1:-1));const o=Math.sqrt(i*i+s*s+r*r);return t[0]=i/o,t[1]=s/o,t[2]=r/o,t}},_i=m.memory,vi=d.AABB3();class bi extends Ai{get type(){return"ReadableGeometry"}get isReadableGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new kt({compressGeometry:!!t.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._edgeIndicesBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._aabbDirty=!0,this._boundingSphere=!0,this._aabb=null,this._aabbDirty=!0,this._obb=null,this._obbDirty=!0;const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(this._state.compressGeometry){const e=mi.getPositionsBounds(t.positions),s=mi.compressPositions(t.positions,e.min,e.max);i.positions=s.quantized,i.positionsDecodeMatrix=s.decodeMatrix}else i.positions=t.positions.constructor===Float32Array?t.positions:new Float32Array(t.positions);if(t.colors&&(i.colors=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors)),t.uv)if(this._state.compressGeometry){const e=mi.getUVBounds(t.uv),s=mi.compressUVs(t.uv,e.min,e.max);i.uv=s.quantized,i.uvDecodeMatrix=s.decodeMatrix}else i.uv=t.uv.constructor===Float32Array?t.uv:new Float32Array(t.uv);t.normals&&(this._state.compressGeometry?i.normals=mi.compressNormals(t.normals):i.normals=t.normals.constructor===Float32Array?t.normals:new Float32Array(t.normals)),t.indices&&(i.indices=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)),this._buildHash(),_i.meshes++,this._buildVBOs()}_buildVBOs(){const e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new mt(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),_i.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new mt(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),_i.positions+=e.positionsBuf.numItems),e.normals){let i=e.compressGeometry;e.normalsBuf=new mt(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),_i.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new mt(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),_i.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new mt(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),_i.uvs+=e.uvBuf.numItems)}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}_getPickTrianglePositions(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}_getPickTriangleColors(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}_buildEdgeIndices(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=hi(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new mt(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),_i.indices+=this._edgeIndicesBuf.numItems}_buildPickTriangleVBOs(){const e=this._state;if(!e.positions||!e.indices)return;const t=this.scene.canvas.gl,i=d.buildPickTriangles(e.positions,e.indices,e.compressGeometry),s=i.positions,r=i.colors;this._pickTrianglePositionsBuf=new mt(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new mt(t,t.ARRAY_BUFFER,r,r.length,4,t.STATIC_DRAW,!0),_i.positions+=this._pickTrianglePositionsBuf.numItems,_i.colors+=this._pickTriangleColorsBuf.numItems}_buildPickVertexVBOs(){}_webglContextLost(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}_webglContextRestored(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}get primitive(){return this._state.primitiveName}get compressGeometry(){return this._state.compressGeometry}get positions(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),mi.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null}set positions(e){const t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){const i=mi.getPositionsBounds(e),s=mi.compressPositions(e,i.min,i.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}get normals(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){const e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),mi.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}}set normals(e){if(this._state.compressGeometry)return void this.error("can't update geometry normals - quantized geometry is immutable");const t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}get uv(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),mi.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null}set uv(e){if(this._state.compressGeometry)return void this.error("can't update geometry UVs - quantized geometry is immutable");const t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}get colors(){return this._state.colors}set colors(e){if(this._state.compressGeometry)return void this.error("can't update geometry colors - quantized geometry is immutable");const t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}get indices(){return this._state.indices}get aabb(){return this._aabbDirty&&(this._aabb||(this._aabb=d.AABB3()),d.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}get obb(){return this._obbDirty&&(this._obb||(this._obb=d.OBB3()),d.positions3ToAABB3(this._state.positions,vi,this._state.positionsDecodeMatrix),d.AABB3ToOBB3(vi,this._obb),this._obbDirty=!1),this._obb}get numTriangles(){return this._numTriangles}_setAABBDirty(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),_i.meshes--}}function yi(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{positions:[c,u,d,l,u,d,l,A,d,c,A,d,c,u,d,c,A,d,c,A,h,c,u,h,c,u,d,c,u,h,l,u,h,l,u,d,l,u,d,l,u,h,l,A,h,l,A,d,l,A,h,c,A,h,c,A,d,l,A,d,c,A,h,l,A,h,l,u,h,c,u,h],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}class Bi extends R{get type(){return"Material"}constructor(e,t={}){super(e,t),m.memory.materials++}destroy(){super.destroy(),m.memory.materials--}}const wi={opaque:0,mask:1,blend:2},Pi=["opaque","mask","blend"];class xi extends Bi{get type(){return"PhongMaterial"}constructor(e,t={}){super(e,t),this._state=new kt({type:"PhongMaterial",ambient:d.vec3([1,1,1]),diffuse:d.vec3([1,1,1]),specular:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.ambient=t.ambient,this.diffuse=t.diffuse,this.specular=t.specular,this.emissive=t.emissive,this.alpha=t.alpha,this.shininess=t.shininess,this.reflectivity=t.reflectivity,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,t.ambientMap&&(this._ambientMap=this._checkComponent("Texture",t.ambientMap)),t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.reflectivityMap&&(this._reflectivityMap=this._checkComponent("Texture",t.reflectivityMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.diffuseFresnel&&(this._diffuseFresnel=this._checkComponent("Fresnel",t.diffuseFresnel)),t.specularFresnel&&(this._specularFresnel=this._checkComponent("Fresnel",t.specularFresnel)),t.emissiveFresnel&&(this._emissiveFresnel=this._checkComponent("Fresnel",t.emissiveFresnel)),t.alphaFresnel&&(this._alphaFresnel=this._checkComponent("Fresnel",t.alphaFresnel)),t.reflectivityFresnel&&(this._reflectivityFresnel=this._checkComponent("Fresnel",t.reflectivityFresnel)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this._makeHash()}_makeHash(){const e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}set shininess(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}get shininess(){return this._state.shininess}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set reflectivity(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}get reflectivity(){return this._state.reflectivity}get normalMap(){return this._normalMap}get ambientMap(){return this._ambientMap}get diffuseMap(){return this._diffuseMap}get specularMap(){return this._specularMap}get emissiveMap(){return this._emissiveMap}get alphaMap(){return this._alphaMap}get reflectivityMap(){return this._reflectivityMap}get occlusionMap(){return this._occlusionMap}get diffuseFresnel(){return this._diffuseFresnel}get specularFresnel(){return this._specularFresnel}get emissiveFresnel(){return this._emissiveFresnel}get alphaFresnel(){return this._alphaFresnel}get reflectivityFresnel(){return this._reflectivityFresnel}set alphaMode(e){let t=wi[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return Pi[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}destroy(){super.destroy(),this._state.destroy()}}const Ci={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}};class Mi extends Bi{get type(){return"EmphasisMaterial"}get presets(){return Ci}constructor(e,t={}){super(e,t),this._state=new kt({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),this._preset="default",t.preset?(this.preset=t.preset,void 0!==t.fill&&(this.fill=t.fill),t.fillColor&&(this.fillColor=t.fillColor),void 0!==t.fillAlpha&&(this.fillAlpha=t.fillAlpha),void 0!==t.edges&&(this.edges=t.edges),t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth),void 0!==t.backfaces&&(this.backfaces=t.backfaces),void 0!==t.glowThrough&&(this.glowThrough=t.glowThrough)):(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.backfaces=t.backfaces,this.glowThrough=t.glowThrough)}set fill(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}get fill(){return this._state.fill}set fillColor(e){let t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}get fillColor(){return this._state.fillColor}set fillAlpha(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}get fillAlpha(){return this._state.fillAlpha}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set glowThrough(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}get glowThrough(){return this._state.glowThrough}set preset(e){if(e=e||"default",this._preset===e)return;const t=Ci[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Ci).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Ei={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}};class Fi extends Bi{get type(){return"EdgeMaterial"}get presets(){return Ei}constructor(e,t={}){super(e,t),this._state=new kt({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),this._preset="default",t.preset?(this.preset=t.preset,t.edgeColor&&(this.edgeColor=t.edgeColor),void 0!==t.edgeAlpha&&(this.edgeAlpha=t.edgeAlpha),void 0!==t.edgeWidth&&(this.edgeWidth=t.edgeWidth)):(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth),this.edges=!1!==t.edges}set edges(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}get edges(){return this._state.edges}set edgeColor(e){let t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set edgeAlpha(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}get edgeAlpha(){return this._state.edgeAlpha}set edgeWidth(e){this._state.edgeWidth=e||1,this.glRedraw()}get edgeWidth(){return this._state.edgeWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Ei[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Ei).join(", "))}get preset(){return this._preset}destroy(){super.destroy(),this._state.destroy()}}const Ii={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}};class Di extends R{constructor(e,t={}){super(e,t),this._units="meters",this._scale=1,this._origin=d.vec3([0,0,0]),this.units=t.units,this.scale=t.scale,this.origin=t.origin}get unitsInfo(){return Ii}set units(e){e||(e="meters");Ii[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}get units(){return this._units}set scale(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}get scale(){return this._scale}set origin(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}get origin(){return this._origin}worldToRealPos(e,t=d.vec3(3)){t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}realToWorldPos(e,t=d.vec3(3)){return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}class Si extends R{constructor(e,t={}){super(e,t),this._supported=at.SUPPORTED_EXTENSIONS.OES_standard_derivatives,this.enabled=t.enabled,this.kernelRadius=t.kernelRadius,this.intensity=t.intensity,this.bias=t.bias,this.scale=t.scale,this.minResolution=t.minResolution,this.numSamples=t.numSamples,this.blur=t.blur,this.blendCutoff=t.blendCutoff,this.blendFactor=t.blendFactor}get supported(){return this._supported}set enabled(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}get enabled(){return this._enabled}get possible(){if(!this._supported)return!1;if(!this._enabled)return!1;const e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}get active(){return this._active}set kernelRadius(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}get kernelRadius(){return this._kernelRadius}set intensity(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}get intensity(){return this._intensity}set bias(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}get bias(){return this._bias}set scale(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}get scale(){return this._scale}set minResolution(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}get minResolution(){return this._minResolution}set numSamples(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}get numSamples(){return this._numSamples}set blur(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}get blur(){return this._blur}set blendCutoff(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}get blendCutoff(){return this._blendCutoff}set blendFactor(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}get blendFactor(){return this._blendFactor}destroy(){super.destroy()}}class Ti extends R{constructor(e,t={}){super(e,t),this.sliceColor=t.sliceColor,this.sliceThickness=t.sliceThickness}set sliceThickness(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}get sliceThickness(){return this._sliceThickness}set sliceColor(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}get sliceColor(){return this._sliceColor}destroy(){super.destroy()}}const Ri={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}};class Li extends Bi{get type(){return"PointsMaterial"}get presets(){return Ri}constructor(e,t={}){super(e,t),this._state=new kt({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),t.preset?(this.preset=t.preset,void 0!==t.pointSize&&(this.pointSize=t.pointSize),void 0!==t.roundPoints&&(this.roundPoints=t.roundPoints),void 0!==t.perspectivePoints&&(this.perspectivePoints=t.perspectivePoints),void 0!==t.minPerspectivePointSize&&(this.minPerspectivePointSize=t.minPerspectivePointSize),void 0!==t.maxPerspectivePointSize&&(this.maxPerspectivePointSize=t.minPerspectivePointSize)):(this._preset="default",this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize),this.filterIntensity=t.filterIntensity,this.minIntensity=t.minIntensity,this.maxIntensity=t.maxIntensity}set pointSize(e){this._state.pointSize=e||2,this.glRedraw()}get pointSize(){return this._state.pointSize}set roundPoints(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}get roundPoints(){return this._state.roundPoints}set perspectivePoints(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}get perspectivePoints(){return this._state.perspectivePoints}set minPerspectivePointSize(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}get minPerspectivePointSize(){return this._state.minPerspectivePointSize}set maxPerspectivePointSize(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}get maxPerspectivePointSize(){return this._state.maxPerspectivePointSize}set filterIntensity(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}get filterIntensity(){return this._state.filterIntensity}set minIntensity(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}get minIntensity(){return this._state.minIntensity}set maxIntensity(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}get maxIntensity(){return this._state.maxIntensity}set preset(e){if(e=e||"default",this._preset===e)return;const t=Ri[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Ri).join(", "))}get preset(){return this._preset}get hash(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}destroy(){super.destroy(),this._state.destroy()}}const Ui={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}};class Oi extends Bi{get type(){return"LinesMaterial"}get presets(){return Ui}constructor(e,t={}){super(e,t),this._state=new kt({type:"LinesMaterial",lineWidth:null}),t.preset?(this.preset=t.preset,void 0!==t.lineWidth&&(this.lineWidth=t.lineWidth)):(this._preset="default",this.lineWidth=t.lineWidth)}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set preset(e){if(e=e||"default",this._preset===e)return;const t=Ui[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Ui).join(", "))}get preset(){return this._preset}get hash(){return[""+this.lineWidth].join(";")}destroy(){super.destroy(),this._state.destroy()}}function ki(e,t){const i={};let s,r;for(let o=0,n=t.length;o<n;o++)s=t[o],r=e.components[s],r?r.isEntity?i[s]=!0:e.warn("pick(): Component is not an Entity: "+s):e.warn("pick(): Component not found: "+s);return i}class Ni extends R{get type(){return"Scene"}constructor(e,t={}){super(null,t);const i=t.canvasElement||document.getElementById(t.canvasId);if(!(i instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";this._tickifiedFunctions={};const s=!!t.transparent,r=!!t.alphaDepthMask;this._aabbDirty=!0,this._readableGeometry=!!t.readableGeometryEnabled,this.viewer=e,this.occlusionTestCountdown=0,this.loading=0,this.startTime=(new Date).getTime(),this.models={},this.objects={},this._numObjects=0,this.visibleObjects={},this._numVisibleObjects=0,this.xrayedObjects={},this._numXRayedObjects=0,this.highlightedObjects={},this._numHighlightedObjects=0,this.selectedObjects={},this._numSelectedObjects=0,this.colorizedObjects={},this._numColorizedObjects=0,this.opacityObjects={},this._numOpacityObjects=0,this.offsetObjects={},this._numOffsetObjects=0,this._modelIds=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this._opacityObjectIds=null,this._offsetObjectIds=null,this._collidables={},this._compilables={},this._needRecompile=!1,this.types={},this.components={},this.sectionPlanes={},this.lights={},this.lightMaps={},this.reflectionMaps={},this.bitmaps={},this.lineSets={},this.realWorldOffset=t.realWorldOffset||new Float64Array([0,0,0]),this.canvas=new ot(this,{dontClear:!0,canvas:i,spinnerElementId:t.spinnerElementId,transparent:s,webgl2:!1!==t.webgl2,contextAttr:t.contextAttr||{},backgroundColor:t.backgroundColor,backgroundColorFromAmbientLight:t.backgroundColorFromAmbientLight,premultipliedAlpha:t.premultipliedAlpha}),this.canvas.on("boundary",(()=>{this.glRedraw()})),this.canvas.on("webglContextFailed",(()=>{alert("xeokit failed to find WebGL!")})),this._renderer=new Lt(this,{transparent:s,alphaDepthMask:r}),this._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;let e=null;this.getHash=function(){if(e)return e;const t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";const i=[];for(let e=0,s=t;e<s;e++)i.push("cp");return i.push(";"),e=i.join(""),e},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(let i=0,s=this.sectionPlanes.length;i<s;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){const e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},this._sectionPlanesState.setNumCachedSectionPlanes(t.numCachedSectionPlanes||0),this._lightsState=new function(){const e=d.vec4([0,0,0,0]),t=d.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];let i=null,s=null;this.getHash=function(){if(i)return i;const e=[],t=this.lights;let s;for(let i=0,r=t.length;i<r;i++)s=t[i],e.push("/"),e.push(s.type),e.push("world"===s.space?"w":"v"),s.castsShadow&&e.push("sh");return this.lightMaps.length>0&&e.push("/lm"),this.reflectionMaps.length>0&&e.push("/rm"),e.push(";"),i=e.join(""),i},this.addLight=function(e){this.lights.push(e),s=null,i=null},this.removeLight=function(e){for(let t=0,r=this.lights.length;t<r;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),s&&s.id===e.id&&(s=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(let t=0,s=this.reflectionMaps.length;t<s;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(let t=0,s=this.lightMaps.length;t<s;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!s)for(let e=0,t=this.lights.length;e<t;e++){const t=this.lights[e];if("ambient"===t.type){s=t;break}}if(s){const e=s.color,i=s.intensity;return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=i,t}return e}},this.input=new Ut(this,{dontClear:!0,element:this.canvas.canvas,keyboardEventsElement:t.keyboardEventsElement}),this.metrics=new Di(this,{units:t.units,scale:t.scale,origin:t.origin}),this.sao=new Si(this,{enabled:t.saoEnabled}),this.crossSections=new Ti(this,{}),this.ticksPerRender=t.ticksPerRender,this.ticksPerOcclusionTest=t.ticksPerOcclusionTest,this.passes=t.passes,this.clearEachPass=t.clearEachPass,this.gammaInput=t.gammaInput,this.gammaOutput=t.gammaOutput,this.gammaFactor=t.gammaFactor,this._entityOffsetsEnabled=!!t.entityOffsetsEnabled,this._logarithmicDepthBufferEnabled=!!t.logarithmicDepthBufferEnabled,this._dtxEnabled=!1!==t.dtxEnabled,this._pbrEnabled=!!t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._dtxEnabled=!!t.dtxEnabled,this._markerZOffset=t.markerZOffset,I._addScene(this),this._initDefaults(),this._viewport=new Nt(this,{id:"default.viewport",autoBoundary:!0,dontClear:!0}),this._camera=new oi(this,{id:"default.camera",dontClear:!0}),new li(this,{color:[1,1,1],intensity:.7}),new ai(this,{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new ai(this,{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),this._camera.on("dirty",(()=>{this._renderer.imageDirty()}))}_initDefaults(){}_addComponent(e){if(e.id&&this.components[e.id]&&(this.error("Component "+y.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=d.createUUID();this.components[e.id]=e;const t=e.type;let i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}_removeComponent(e){var t=e.id,i=e.type;delete this.components[t];const s=this.types[i];s&&(delete s[t],y.isEmptyObject(s)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}_sectionPlaneCreated(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}_bitmapCreated(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}_lineSetCreated(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}_lightCreated(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}_lightMapCreated(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}_reflectionMapCreated(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}_sectionPlaneDestroyed(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}_bitmapDestroyed(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}_lineSetDestroyed(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}_lightDestroyed(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}_lightMapDestroyed(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}_reflectionMapDestroyed(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}_registerModel(e){this.models[e.id]=e,this._modelIds=null}_deregisterModel(e){const t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}_registerObject(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}_deregisterObject(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}_objectVisibilityUpdated(e,t=!0){e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}_deRegisterVisibleObject(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}_objectXRayedUpdated(e,t=!0){e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}_deRegisterXRayedObject(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}_objectHighlightedUpdated(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}_deRegisterHighlightedObject(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}_objectSelectedUpdated(e,t=!0){e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}_deRegisterSelectedObject(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}_objectColorizeUpdated(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}_deRegisterColorizedObject(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}_objectOpacityUpdated(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}_deRegisterOpacityObject(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}_objectOffsetUpdated(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}_deRegisterOffsetObject(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}_webglContextLost(){this.canvas.spinner.processes++;for(const e in this.components)if(this.components.hasOwnProperty(e)){const t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}_webglContextRestored(){const e=this.canvas.gl;for(const t in this.components)if(this.components.hasOwnProperty(t)){const i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}get capabilities(){return this._renderer.capabilities}get entityOffsetsEnabled(){return this._entityOffsetsEnabled}get readableGeometryEnabled(){return this._readableGeometry}get pickSurfacePrecisionEnabled(){return this._readableGeometry}get logarithmicDepthBufferEnabled(){return this._logarithmicDepthBufferEnabled}set numCachedSectionPlanes(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}get numCachedSectionPlanes(){return this._sectionPlanesState.getNumCachedSectionPlanes()}set pbrEnabled(e){this._pbrEnabled=!!e,this.glRedraw()}get pbrEnabled(){return this._pbrEnabled}set dtxEnabled(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}get dtxEnabled(){return this._dtxEnabled}set colorTextureEnabled(e){this._colorTextureEnabled=!!e,this.glRedraw()}get colorTextureEnabled(){return this._colorTextureEnabled}get markerZOffset(){return null==this._markerZOffset?-.001:this._markerZOffset}doOcclusionTest(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}render(e){e&&I.runTasks();const t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),!e&&!this._renderer.needsRender())return;t.sceneId=this.id;const i=this._passes,s=this._clearEachPass;let r,o;for(r=0;r<i;r++)t.pass=r,this.fire("rendering",t,!0),o=s||0===r,this._renderer.render({pass:r,clear:o,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}compile(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}_recompile(){for(const e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}_saveAmbientColor(){const e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{const t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=d.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}get modelIds(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}get numObjects(){return this._numObjects}get objectIds(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}get numVisibleObjects(){return this._numVisibleObjects}get visibleObjectIds(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}get numXRayedObjects(){return this._numXRayedObjects}get xrayedObjectIds(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}get numHighlightedObjects(){return this._numHighlightedObjects}get highlightedObjectIds(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}get numSelectedObjects(){return this._numSelectedObjects}get selectedObjectIds(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}get numColorizedObjects(){return this._numColorizedObjects}get colorizedObjectIds(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}get opacityObjectIds(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}get offsetObjectIds(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}set ticksPerRender(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}get ticksPerRender(){return this._ticksPerRender}set ticksPerOcclusionTest(e){null==e?e=20:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}get ticksPerOcclusionTest(){return this._ticksPerOcclusionTest}set passes(e){null==e?e=1:(!y.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}get passes(){return this._passes}set clearEachPass(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}get clearEachPass(){return this._clearEachPass}set gammaInput(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}get gammaInput(){return this._renderer.gammaInput}set gammaOutput(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}get gammaOutput(){return this._renderer.gammaOutput}set gammaFactor(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}get gammaFactor(){return this._renderer.gammaFactor}get geometry(){return this.components["default.geometry"]||yi(bi)}get material(){return this.components["default.material"]||new xi(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}get xrayMaterial(){return this.components["default.xrayMaterial"]||new Mi(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}get highlightMaterial(){return this.components["default.highlightMaterial"]||new Mi(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}get selectedMaterial(){return this.components["default.selectedMaterial"]||new Mi(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}get edgeMaterial(){return this.components["default.edgeMaterial"]||new Fi(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}get pointsMaterial(){return this.components["default.pointsMaterial"]||new Li(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}get linesMaterial(){return this.components["default.linesMaterial"]||new Oi(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}get viewport(){return this._viewport}get camera(){return this._camera}get center(){if(this._aabbDirty||!this._center){const e=this.aabb;this._center||(this._center=d.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}get aabb(){if(this._aabbDirty){this._aabb||(this._aabb=d.AABB3());let e,t=d.MAX_DOUBLE,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MIN_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE;const a=this._collidables;let l,A=!1;for(const h in a)if(a.hasOwnProperty(h)){if(l=a[h],!1===l.collidable)continue;e=l.aabb,e[0]<t&&(t=e[0]),e[1]<i&&(i=e[1]),e[2]<s&&(s=e[2]),e[3]>r&&(r=e[3]),e[4]>o&&(o=e[4]),e[5]>n&&(n=e[5]),A=!0}A||(t=-100,i=-100,s=-100,r=100,o=100,n=100),this._aabb[0]=t,this._aabb[1]=i,this._aabb[2]=s,this._aabb[3]=r,this._aabb[4]=o,this._aabb[5]=n,this._aabbDirty=!1,this._center=null}return this._aabb}_setAABBDirty(){this._aabbDirty=!0,this.fire("boundary")}pick(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");const i=e.includeEntities||e.include;i&&(e.includeEntityIds=ki(this,i));const s=e.excludeEntities||e.exclude;return s&&(e.excludeEntityIds=ki(this,s)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}snapPick(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}clear(){var e;for(const t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}clearLights(){const e=Object.keys(this.lights);for(let t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}clearSectionPlanes(){const e=Object.keys(this.sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}clearBitmaps(){const e=Object.keys(this.bitmaps);for(let t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}clearLines(){const e=Object.keys(this.lineSets);for(let t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}getAABB(e){if(void 0===e)return this.aabb;if(y.isString(e)){const t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;let t,i=d.MAX_DOUBLE,s=d.MAX_DOUBLE,r=d.MAX_DOUBLE,o=d.MIN_DOUBLE,n=d.MIN_DOUBLE,a=d.MIN_DOUBLE;if(this.withObjects(e,(e=>{if(e.collidable){const l=e.aabb;l[0]<i&&(i=l[0]),l[1]<s&&(s=l[1]),l[2]<r&&(r=l[2]),l[3]>o&&(o=l[3]),l[4]>n&&(n=l[4]),l[5]>a&&(a=l[5]),t=!0}})),t){const e=d.AABB3();return e[0]=i,e[1]=s,e[2]=r,e[3]=o,e[4]=n,e[5]=a,e}return this.aabb}setObjectsVisible(e,t){return this.withObjects(e,(e=>{const i=e.visible!==t;return e.visible=t,i}))}setObjectsCollidable(e,t){return this.withObjects(e,(e=>{const i=e.collidable!==t;return e.collidable=t,i}))}setObjectsCulled(e,t){return this.withObjects(e,(e=>{const i=e.culled!==t;return e.culled=t,i}))}setObjectsSelected(e,t){return this.withObjects(e,(e=>{const i=e.selected!==t;return e.selected=t,i}))}setObjectsHighlighted(e,t){return this.withObjects(e,(e=>{const i=e.highlighted!==t;return e.highlighted=t,i}))}setObjectsXRayed(e,t){return this.withObjects(e,(e=>{const i=e.xrayed!==t;return e.xrayed=t,i}))}setObjectsEdges(e,t){return this.withObjects(e,(e=>{const i=e.edges!==t;return e.edges=t,i}))}setObjectsColorized(e,t){return this.withObjects(e,(e=>{e.colorize=t}))}setObjectsOpacity(e,t){return this.withObjects(e,(e=>{const i=e.opacity!==t;return e.opacity=t,i}))}setObjectsPickable(e,t){return this.withObjects(e,(e=>{const i=e.pickable!==t;return e.pickable=t,i}))}setObjectsOffset(e,t){this.withObjects(e,(e=>{e.offset=t}))}withObjects(e,t){y.isString(e)&&(e=[e]);let i=!1;for(let s=0,r=e.length;s<r;s++){const r=e[s];let o=this.objects[r];if(o)i=t(o)||i;else{const e=this.modelIds;for(let s=0,n=e.length;s<n;s++){const n=e[s],a=d.globalizeObjectId(n,r);o=this.objects[a],o&&(i=t(o)||i)}}}return i}tickify(e){const t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;let i,s=0,r=0;const o=function(...e){i=e,r++},n=this.on("tick",(()=>{r>s&&(s=r,e(...i))}));return this._tickifiedFunctions[t]={tickSubId:n,wrapperFunc:o},o}destroy(){super.destroy();for(const e in this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}const Qi=1e3,Vi=1001,Hi=1002,ji=1003,Gi=1004,zi=1004,Ki=1005,Wi=1005,Xi=1006,Ji=1007,Yi=1007,Zi=1008,qi=1008,$i=1009,es=1010,ts=1011,is=1012,ss=1013,rs=1014,os=1015,ns=1016,as=1017,ls=1018,As=1020,hs=1021,cs=1022,us=1023,ds=1024,ps=1025,fs=1026,gs=1027,ms=1028,_s=1029,vs=1030,bs=1031,ys=1033,Bs=33776,ws=33777,Ps=33778,xs=33779,Cs=35840,Ms=35841,Es=35842,Fs=35843,Is=36196,Ds=37492,Ss=37496,Ts=37808,Rs=37809,Ls=37810,Us=37811,Os=37812,ks=37813,Ns=37814,Qs=37815,Vs=37816,Hs=37817,js=37818,Gs=37819,zs=37820,Ks=37821,Ws=36492,Xs=3e3,Js=3001,Ys=1e4,Zs=10001,qs=10002,$s=10003,er=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene._lightsState,r=e._geometry._state,o=e._state.billboard,n=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!r.compressGeometry,A=[];A.push("#version 300 es"),A.push("// Lambertian drawing vertex shader"),A.push("in vec3 position;"),A.push("uniform mat4 modelMatrix;"),A.push("uniform mat4 viewMatrix;"),A.push("uniform mat4 projMatrix;"),A.push("uniform vec4 colorize;"),A.push("uniform vec3 offset;"),l&&A.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(A.push("uniform float logDepthBufFC;"),A.push("out float vFragDepth;"),A.push("bool isPerspectiveMatrix(mat4 m) {"),A.push("    return (m[2][3] == - 1.0);"),A.push("}"),A.push("out float isPerspective;"));a&&A.push("out vec4 vWorldPosition;");if(A.push("uniform vec4 lightAmbient;"),A.push("uniform vec4 materialColor;"),A.push("uniform vec3 materialEmissive;"),r.normalsBuf){A.push("in vec3 normal;"),A.push("uniform mat4 modelNormalMatrix;"),A.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(A.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&A.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&A.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(A.push("uniform vec3 lightPos"+e+";"),A.push("uniform vec3 lightDir"+e+";")))}l&&(A.push("vec3 octDecode(vec2 oct) {"),A.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),A.push("    if (v.z < 0.0) {"),A.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),A.push("    }"),A.push("    return normalize(v);"),A.push("}"))}A.push("out vec4 vColor;"),"points"===r.primitiveName&&A.push("uniform float pointSize;");"spherical"!==o&&"cylindrical"!==o||(A.push("void billboard(inout mat4 mat) {"),A.push("   mat[0][0] = 1.0;"),A.push("   mat[0][1] = 0.0;"),A.push("   mat[0][2] = 0.0;"),"spherical"===o&&(A.push("   mat[1][0] = 0.0;"),A.push("   mat[1][1] = 1.0;"),A.push("   mat[1][2] = 0.0;")),A.push("   mat[2][0] = 0.0;"),A.push("   mat[2][1] = 0.0;"),A.push("   mat[2][2] =1.0;"),A.push("}"));A.push("void main(void) {"),A.push("vec4 localPosition = vec4(position, 1.0); "),A.push("vec4 worldPosition;"),l&&A.push("localPosition = positionsDecodeMatrix * localPosition;");r.normalsBuf&&(l?A.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):A.push("vec4 localNormal = vec4(normal, 0.0); "),A.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),A.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));A.push("mat4 viewMatrix2 = viewMatrix;"),A.push("mat4 modelMatrix2 = modelMatrix;"),n&&A.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(A.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),A.push("billboard(modelMatrix2);"),A.push("billboard(viewMatrix2);"),A.push("billboard(modelViewMatrix);"),r.normalsBuf&&(A.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),A.push("billboard(modelNormalMatrix2);"),A.push("billboard(viewNormalMatrix2);"),A.push("billboard(modelViewNormalMatrix);")),A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(A.push("worldPosition = modelMatrix2 * localPosition;"),A.push("worldPosition.xyz = worldPosition.xyz + offset;"),A.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r.normalsBuf&&A.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(A.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),A.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),A.push("float lambertian = 1.0;"),r.normalsBuf)for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?A.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):A.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?A.push("viewLightDir = normalize(lightDir"+e+");"):A.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);")}A.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),A.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}A.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&A.push("vWorldPosition = worldPosition;");"points"===r.primitiveName&&A.push("gl_PointSize = pointSize;");A.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(A.push("vFragDepth = 1.0 + clipPos.w;"),A.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return A.push("gl_Position = clipPos;"),A.push("}"),A}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState;e._material._state;const s=e._geometry._state,r=i.getNumAllocatedSectionPlanes()>0,o=t.gammaOutput,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));if(r){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}n.push("in vec4 vColor;"),o&&(n.push("uniform float gammaFactor;"),n.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===s.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");o?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(e)):(this.vertex=function(e){const t=e.scene;e._material;const i=e._state,s=t._sectionPlanesState,r=e._geometry._state,o=t._lightsState;let n;const a=i.billboard,l=i.background,A=i.stationary,h=function(e){if(!e._geometry._state.uvBuf)return!1;const t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),c=sr(e),u=s.getNumAllocatedSectionPlanes()>0,d=ir(e),p=!!r.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),u&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(c){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&f.push("uniform vec3 lightDir"+e+";"),"point"===n.type&&f.push("uniform vec3 lightPos"+e+";"),"spot"===n.type&&(f.push("uniform vec3 lightPos"+e+";"),f.push("uniform vec3 lightDir"+e+";")),"dir"===n.type&&"view"===n.space||f.push("out vec4 vViewLightReverseDirAndDist"+e+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}h&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));r.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===r.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+e+";"),f.push("uniform mat4 shadowProjMatrix"+e+";"),f.push("out vec4 vShadowPosFromLight"+e+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");c&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),A?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),c&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(c){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(let e=0,t=o.lights.length;e<t;e++)n=o.lights[e],"ambient"!==n.type&&("dir"===n.type&&"world"===n.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+e+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+e+" = vec4(-tmpVec3, 0.0);")),"point"===n.type&&("world"===n.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+e+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+e+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+e+" = vec4(tmpVec3, lightDist);")))}h&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));r.colors&&f.push("vColor = color;");"points"===r.primitiveName&&f.push("gl_PointSize = pointSize;");u&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&f.push("vShadowPosFromLight"+e+" = texUnitConverter * shadowProjMatrix"+e+" * (shadowViewMatrix"+e+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=e._material,s=e._geometry._state,r=e.scene._sectionPlanesState,o=e.scene._lightsState,n=e._material._state,a=r.getNumAllocatedSectionPlanes()>0,l=sr(e),A=s.uvBuf,h="PhongMaterial"===n.type,c="MetallicMaterial"===n.type,u="SpecularMaterial"===n.type,d=ir(e);t.gammaInput;const p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("uniform bool sectionPlaneActive"+g+";"),f.push("uniform vec3 sectionPlanePos"+g+";"),f.push("uniform vec3 sectionPlaneDir"+g+";")}l&&(o.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),o.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),h&&((o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = "+tr[o.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(c||u)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),o.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+tr[o.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(o.lightMaps.length>0||o.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),o.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),s.colors&&f.push("in vec4 vColor;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(o.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));n.ambient&&f.push("uniform vec3 materialAmbient;");n.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==n.alpha&&null!==n.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");n.emissive&&f.push("uniform vec3 materialEmissive;");n.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==n.glossiness&&null!==n.glossiness&&f.push("uniform float materialGlossiness;");void 0!==n.shininess&&null!==n.shininess&&f.push("uniform float materialShininess;");n.specular&&f.push("uniform vec3 materialSpecular;");void 0!==n.metallic&&null!==n.metallic&&f.push("uniform float materialMetallic;");void 0!==n.roughness&&null!==n.roughness&&f.push("uniform float materialRoughness;");void 0!==n.specularF0&&null!==n.specularF0&&f.push("uniform float materialSpecularF0;");A&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));A&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));A&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));A&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&A&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&A&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&A&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));A&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));A&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&A&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&A&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&A&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&(f.push("uniform vec4 lightColor"+e+";"),"point"===t.type&&f.push("uniform vec3 lightAttenuation"+e+";"),"dir"===t.type&&"view"===t.space&&f.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&"view"===t.space?f.push("uniform vec3 lightPos"+e+";"):f.push("in vec4 vViewLightReverseDirAndDist"+e+";"))}if(d)for(let e=0,t=o.lights.length;e<t;e++)o.lights[e].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+e+";"),f.push("uniform sampler2D shadowMap"+e+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(g=0;g<r.getNumAllocatedSectionPlanes();g++)f.push("if (sectionPlaneActive"+g+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+g+".xyz, vWorldPosition.xyz - sectionPlanePos"+g+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===s.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),n.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");n.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):n.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");s.colors&&f.push("diffuseColor *= vColor.rgb;");n.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");n.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==n.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");s.colors&&f.push("alpha *= vColor.a;");void 0!==n.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==n.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==n.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==n.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");A&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));A&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+tr[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));A&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+tr[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));A&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+tr[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));A&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+tr[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));A&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));A&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(o.lights.length>0||o.lightMaps.length>0||o.reflectionMaps.length>0)){A&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),A&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),A&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),A&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),A&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),A&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),A&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),h&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),u&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),c&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),o.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),h&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(u||c)&&(o.lightMaps.length>0||o.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(let e=0,t=o.lights.length;e<t;e++){const t=o.lights[e];"ambient"!==t.type&&("dir"===t.type&&"view"===t.space?f.push("viewLightDir = -normalize(lightDir"+e+");"):"point"===t.type&&"view"===t.space?f.push("viewLightDir = normalize(lightPos"+e+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+e+".xyz);"),d&&t.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+e+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+e+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a * shadow);")):f.push("light.color =  lightColor"+e+".rgb * (lightColor"+e+".a );"),f.push("light.direction = viewLightDir;"),h&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(u||c)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}h?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},tr={};function ir(e){if(!e.receivesShadow)return!1;const t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(let e=0,i=t.length;e<i;e++)if(t[e].castsShadow)return!0;return!1}function sr(e){const t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}tr[3e3]="linearToLinear",tr[3001]="sRGBToLinear";const rr=d.vec3(),or=new e({}),nr=function(e,t){this.id=or.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new er(t),this._allocate(t)},ar={};nr.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";");let s=ar[i];if(!s){if(s=new nr(i,e),s.errors)return console.log(s.errors.join("\n")),null;ar[i]=s,m.memory.programs++}return s._useCount++,s},nr.prototype.put=function(){0==--this._useCount&&(or.removeItem(this.id),this._program&&this._program.destroy(),delete ar[this._hash],m.memory.programs--)},nr.prototype.webglContextRestored=function(){this._program=null},nr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=at.MAX_TEXTURE_UNITS,s=t.scene,r=t._material,o=s.canvas.gl,n=this._program,a=t._state,l=t._material._state,A=t._geometry._state,h=s.camera,c=t.origin,u=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,u&&o.depthFunc(o.LEQUAL),this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,c?e.getRTCViewMatrix(a.originHash,c):h.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,h.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(c){const t=se(i.dist,i.dir,c,rr);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;const t=l.backfaces;e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t);const s=l.frontface;switch(e.frontface!==s&&(s?o.frontFace(o.CCW):o.frontFace(o.CW),e.frontface=s),e.lineWidth!==l.lineWidth&&(o.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&o.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&o.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&o.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&o.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),r._ambientMap&&r._ambientMap._state.texture&&this._uMaterialAmbientMap&&(n.bindTexture(this._uMaterialAmbientMap,r._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&o.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,r._ambientMap._state.matrix)),r._diffuseMap&&r._diffuseMap._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,r._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,r._diffuseMap._state.matrix)),r._specularMap&&r._specularMap._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,r._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,r._specularMap._state.matrix)),r._emissiveMap&&r._emissiveMap._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,r._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,r._emissiveMap._state.matrix)),r._alphaMap&&r._alphaMap._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,r._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,r._alphaMap._state.matrix)),r._reflectivityMap&&r._reflectivityMap._state.texture&&this._uReflectivityMap&&(n.bindTexture(this._uReflectivityMap,r._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&o.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,r._reflectivityMap._state.matrix)),r._normalMap&&r._normalMap._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,r._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,r._normalMap._state.matrix)),r._occlusionMap&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,r._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,r._occlusionMap._state.matrix)),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&o.uniform1f(this._uDiffuseFresnelEdgeBias,r._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&o.uniform1f(this._uDiffuseFresnelCenterBias,r._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&o.uniform3fv(this._uDiffuseFresnelEdgeColor,r._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&o.uniform3fv(this._uDiffuseFresnelCenterColor,r._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&o.uniform1f(this._uDiffuseFresnelPower,r._diffuseFresnel.power)),r._specularFresnel&&(this._uSpecularFresnelEdgeBias&&o.uniform1f(this._uSpecularFresnelEdgeBias,r._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&o.uniform1f(this._uSpecularFresnelCenterBias,r._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&o.uniform3fv(this._uSpecularFresnelEdgeColor,r._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&o.uniform3fv(this._uSpecularFresnelCenterColor,r._specularFresnel.centerColor),this._uSpecularFresnelPower&&o.uniform1f(this._uSpecularFresnelPower,r._specularFresnel.power)),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&o.uniform1f(this._uAlphaFresnelEdgeBias,r._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&o.uniform1f(this._uAlphaFresnelCenterBias,r._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&o.uniform3fv(this._uAlphaFresnelEdgeColor,r._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&o.uniform3fv(this._uAlphaFresnelCenterColor,r._alphaFresnel.centerColor),this._uAlphaFresnelPower&&o.uniform1f(this._uAlphaFresnelPower,r._alphaFresnel.power)),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&o.uniform1f(this._uReflectivityFresnelEdgeBias,r._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&o.uniform1f(this._uReflectivityFresnelCenterBias,r._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&o.uniform3fv(this._uReflectivityFresnelEdgeColor,r._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&o.uniform3fv(this._uReflectivityFresnelCenterColor,r._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&o.uniform1f(this._uReflectivityFresnelPower,r._reflectivityFresnel.power)),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&o.uniform1f(this._uEmissiveFresnelEdgeBias,r._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&o.uniform1f(this._uEmissiveFresnelCenterBias,r._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&o.uniform3fv(this._uEmissiveFresnelEdgeColor,r._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&o.uniform3fv(this._uEmissiveFresnelCenterColor,r._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&o.uniform1f(this._uEmissiveFresnelPower,r._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&o.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&o.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&o.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&o.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const t=r._baseColorMap;t&&t._state.texture&&this._uBaseColorMap&&(n.bindTexture(this._uBaseColorMap,t._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&o.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,t._state.matrix));const s=r._metallicMap;s&&s._state.texture&&this._uMetallicMap&&(n.bindTexture(this._uMetallicMap,s._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&o.uniformMatrix4fv(this._uMetallicMapMatrix,!1,s._state.matrix));const a=r._roughnessMap;a&&a._state.texture&&this._uRoughnessMap&&(n.bindTexture(this._uRoughnessMap,a._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&o.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,a._state.matrix));const A=r._metallicRoughnessMap;A&&A._state.texture&&this._uMetallicRoughnessMap&&(n.bindTexture(this._uMetallicRoughnessMap,A._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&o.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,A._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&r._occlusionMap._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&o.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&o.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&o.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&o.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&o.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&o.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);const h=r._diffuseMap;h&&h._state.texture&&this._uDiffuseMap&&(n.bindTexture(this._uDiffuseMap,h._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&o.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,h._state.matrix));const c=r._specularMap;c&&c._state.texture&&this._uSpecularMap&&(n.bindTexture(this._uSpecularMap,c._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&o.uniformMatrix4fv(this._uSpecularMapMatrix,!1,c._state.matrix));const u=r._glossinessMap;u&&u._state.texture&&this._uGlossinessMap&&(n.bindTexture(this._uGlossinessMap,u._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&o.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,u._state.matrix));const m=r._specularGlossinessMap;var d,p,f,g;m&&m._state.texture&&this._uSpecularGlossinessMap&&(n.bindTexture(this._uSpecularGlossinessMap,m._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&o.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,m._state.matrix)),(d=r._emissiveMap)&&d._state.texture&&this._uEmissiveMap&&(n.bindTexture(this._uEmissiveMap,d._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&o.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,d._state.matrix)),(p=r._occlusionMap)&&p._state.texture&&this._uOcclusionMap&&(n.bindTexture(this._uOcclusionMap,p._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&o.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,p._state.matrix)),(f=r._alphaMap)&&f._state.texture&&this._uAlphaMap&&(n.bindTexture(this._uAlphaMap,f._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&o.uniformMatrix4fv(this._uAlphaMapMatrix,!1,f._state.matrix)),(g=r._normalMap)&&g._state.texture&&this._uNormalMap&&(n.bindTexture(this._uNormalMap,g._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&o.uniformMatrix4fv(this._uNormalMapMatrix,!1,g._state.matrix))}this._lastMaterialId=l.id}if(o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),this._uColorize){const e=a.colorize,t=this._lastColorize;t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2]&&t[3]===e[3]||(o.uniform4fv(this._uColorize,e),t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3])}o.uniform3fv(this._uOffset,a.offset),A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(A.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(A.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(A.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(A.flagsBuf),e.bindArray++),A.indicesBuf&&(A.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=A.id),A.indicesBuf?(o.drawElements(A.primitive,A.indicesBuf.numItems,A.indicesBuf.itemType,0),e.drawElements++):A.positions&&(o.drawArrays(o.TRIANGLES,0,A.positions.numItems),e.drawArrays++),u&&o.depthFunc(o.LESS)},nr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=e._material,r=t._lightsState,o=t._sectionPlanesState,n=e._material._state;if(this._program=new gt(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));const l=r.lights;let A;for(var h=0,c=l.length;h<c;h++){switch(A=l[h],A.type){case"ambient":this._uLightAmbient[h]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=null,this._uLightDir[h]=a.getLocation("lightDir"+h);break;case"point":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=null,this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h);break;case"spot":this._uLightColor[h]=a.getLocation("lightColor"+h),this._uLightPos[h]=a.getLocation("lightPos"+h),this._uLightDir[h]=a.getLocation("lightDir"+h),this._uLightAttenuation[h]=a.getLocation("lightAttenuation"+h)}A.castsShadow&&(this._uShadowViewMatrix[h]=a.getLocation("shadowViewMatrix"+h),this._uShadowProjMatrix[h]=a.getLocation("shadowProjMatrix"+h))}r.lightMaps.length>0&&(this._uLightMap="lightMap"),r.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(h=0,c=o.sectionPlanes.length;h<c;h++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+h),pos:a.getLocation("sectionPlanePos"+h),dir:a.getLocation("sectionPlaneDir"+h)});switch(this._uPointSize=a.getLocation("pointSize"),n.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),s._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),s._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),s._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),s._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),s._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),s._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),s._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),s._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),s._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),s._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),s._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),s._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),s._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0},nr.prototype._bindProgram=function(e){const t=at.MAX_TEXTURE_UNITS,i=this._scene,s=i.canvas.gl,r=i._lightsState,o=i.camera.project;let n;const a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}for(var l=0,A=r.lights.length;l<A;l++)if(n=r.lights[l],this._uLightAmbient[l])s.uniform4f(this._uLightAmbient[l],n.color[0],n.color[1],n.color[2],n.intensity);else if(this._uLightColor[l]&&s.uniform4f(this._uLightColor[l],n.color[0],n.color[1],n.color[2],n.intensity),this._uLightPos[l]&&(s.uniform3fv(this._uLightPos[l],n.pos),this._uLightAttenuation[l]&&s.uniform1f(this._uLightAttenuation[l],n.attenuation)),this._uLightDir[l]&&s.uniform3fv(this._uLightDir[l],n.dir),n.castsShadow){this._uShadowViewMatrix[l]&&s.uniformMatrix4fv(this._uShadowViewMatrix[l],!1,n.getShadowViewMatrix()),this._uShadowProjMatrix[l]&&s.uniformMatrix4fv(this._uShadowProjMatrix[l],!1,n.getShadowProjMatrix());const i=n.getShadowRenderBuf();i&&(a.bindTexture("shadowMap"+l,i.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++)}r.lightMaps.length>0&&r.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,r.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),r.reflectionMaps.length>0&&r.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,r.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%t,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor),this._baseTextureUnit=e.textureUnit};class lr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._lightsState,s=function(e){const t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),r=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,o=!!e._geometry._state.compressGeometry,n=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),o&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));r&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),s){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(l.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&l.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&l.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&l.push("uniform vec3 lightPos"+e+";"))}o&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===n||"cylindrical"===n)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===n&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),o&&l.push("localPosition = positionsDecodeMatrix * localPosition;");s&&(o?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),s&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),s)for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?l.push("viewLightDir = normalize(lightDir"+e+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+e+", 0.0)).xyz);");else{if("point"!==t.type)continue;"view"===t.space?l.push("viewLightDir = normalize(lightPos"+e+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+e+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),r&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===e._geometry._state.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const Ar=new e({}),hr=d.vec3(),cr=function(e,t){this.id=Ar.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new lr(t),this._allocate(t)},ur={};cr.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=ur[t];return i||(i=new cr(t,e),ur[t]=i,m.memory.programs++),i._useCount++,i},cr.prototype.put=function(){0==--this._useCount&&(Ar.removeItem(this.id),this._program&&this._program.destroy(),delete ur[this._hash],m.memory.programs--)},cr.prototype.webglContextRestored=function(){this._program=null},cr.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl,n=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):r.viewMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.viewNormalMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(A){const t=se(i.dist,i.dir,A,hr);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}if(n.id!==this._lastMaterialId){const t=n.fillColor,i=n.backfaces;e.backfaces!==i&&(i?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=i),o.uniform4f(this._uFillColor,t[0],t[1],t[2],n.fillAlpha),this._lastMaterialId=n.id}o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uModelNormalMatrix&&o.uniformMatrix4fv(this._uModelNormalMatrix,o.FALSE,t.worldNormalMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&o.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(o.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(o.drawArrays(o.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},cr.prototype._allocate=function(e){const t=e.scene,i=t._lightsState,s=t._sectionPlanesState,r=t.canvas.gl;if(this._program=new gt(r,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const o=this._program;this._uPositionsDecodeMatrix=o.getLocation("positionsDecodeMatrix"),this._uModelMatrix=o.getLocation("modelMatrix"),this._uModelNormalMatrix=o.getLocation("modelNormalMatrix"),this._uViewMatrix=o.getLocation("viewMatrix"),this._uViewNormalMatrix=o.getLocation("viewNormalMatrix"),this._uProjMatrix=o.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(let e=0,t=i.lights.length;e<t;e++){switch(i.lights[e].type){case"ambient":this._uLightAmbient[e]=o.getLocation("lightAmbient");break;case"dir":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=o.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=o.getLocation("lightColor"+e),this._uLightPos[e]=o.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=o.getLocation("lightAttenuation"+e)}}this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:o.getLocation("sectionPlaneActive"+e),pos:o.getLocation("sectionPlanePos"+e),dir:o.getLocation("sectionPlaneDir"+e)});this._uFillColor=o.getLocation("fillColor"),this._aPosition=o.getAttribute("position"),this._aNormal=o.getAttribute("normal"),this._uClippable=o.getLocation("clippable"),this._uGammaFactor=o.getLocation("gammaFactor"),this._uOffset=o.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=o.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},cr.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t._lightsState,r=t.camera,o=r.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,r.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];this._uLightAmbient[e]?i.uniform4f(this._uLightAmbient[e],t.color[0],t.color[1],t.color[2],t.intensity):(this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};class dr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Edges drawing vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec4 edgeColor;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));i&&n.push("out vec4 vWorldPosition;");n.push("out vec4 vColor;"),("spherical"===r||"cylindrical"===r)&&(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));n.push("vColor = edgeColor;"),i&&n.push("vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=e.scene._sectionPlanesState,s=e.scene.gammaOutput,r=i.getNumAllocatedSectionPlanes()>0,o=[];o.push("#version 300 es"),o.push("// Edges drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));s&&(o.push("uniform float gammaFactor;"),o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(r){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("uniform bool sectionPlaneActive"+e+";"),o.push("uniform vec3 sectionPlanePos"+e+";"),o.push("uniform vec3 sectionPlaneDir"+e+";")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");s?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)}}const pr=new e({}),fr=d.vec3(),gr=function(e,t){this.id=pr.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new dr(t),this._allocate(t)},mr={};gr.get=function(e){const t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=mr[t];return i||(i=new gr(t,e),mr[t]=i,m.memory.programs++),i._useCount++,i},gr.prototype.put=function(){0==--this._useCount&&(pr.removeItem(this.id),this._program&&this._program.destroy(),delete mr[this._hash],m.memory.programs--)},gr.prototype.webglContextRestored=function(){this._program=null},gr.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);const s=this._scene,r=s.camera,o=s.canvas.gl;let n;const a=t._state,l=t._geometry,A=l._state,h=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),o.uniformMatrix4fv(this._uViewMatrix,!1,h?e.getRTCViewMatrix(a.originHash,h):r.viewMatrix),a.clippable){const e=s._sectionPlanesState.getNumAllocatedSectionPlanes(),i=s._sectionPlanesState.sectionPlanes.length;if(e>0){const r=s._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<i){const i=n.sectionPlanesActivePerLayer[t];if(o.uniform1i(e.active,i?1:0),i){const i=r[t];if(h){const t=se(i.dist,i.dir,h,fr);o.uniform3fv(e.pos,t)}else o.uniform3fv(e.pos,i.pos);o.uniform3fv(e.dir,i.dir)}}else o.uniform1i(e.active,0)}}}switch(i){case 0:n=t._xrayMaterial._state;break;case 1:n=t._highlightMaterial._state;break;case 2:n=t._selectedMaterial._state;break;default:n=t._edgeMaterial._state}if(n.id!==this._lastMaterialId){const t=n.backfaces;if(e.backfaces!==t&&(t?o.disable(o.CULL_FACE):o.enable(o.CULL_FACE),e.backfaces=t),e.lineWidth!==n.edgeWidth&&(o.lineWidth(n.edgeWidth),e.lineWidth=n.edgeWidth),this._uEdgeColor){const e=n.edgeColor,t=n.edgeAlpha;o.uniform4f(this._uEdgeColor,e[0],e[1],e[2],t)}this._lastMaterialId=n.id}let c;o.uniformMatrix4fv(this._uModelMatrix,o.FALSE,t.worldMatrix),this._uClippable&&o.uniform1i(this._uClippable,a.clippable),o.uniform3fv(this._uOffset,a.offset),A.primitive===o.TRIANGLES?c=l._getEdgeIndices():A.primitive===o.LINES&&(c=A.indicesBuf),c&&(A.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,A.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(A.positionsBuf,A.compressGeometry?o.UNSIGNED_SHORT:o.FLOAT),e.bindArray++),c.bind(),e.bindArray++,this._lastGeometryId=A.id),o.drawElements(o.LINES,c.numItems,c.itemType,0),e.drawElements++)},gr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program=new gt(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+e),pos:r.getLocation("sectionPlanePos"+e),dir:r.getLocation("sectionPlaneDir"+e)});this._uEdgeColor=r.getLocation("edgeColor"),this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uGammaFactor=r.getLocation("gammaFactor"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},gr.prototype._bindProgram=function(e){const t=this._program,i=this._scene,s=i.canvas.gl,r=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),i.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._uGammaFactor&&s.uniform1f(this._uGammaFactor,i.gammaFactor)};class _r{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh picking vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("out vec4 vViewPosition;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("uniform vec2 pickClipPos;"),n.push("vec4 remapClipPos(vec4 clipPos) {"),n.push("    clipPos.xy /= clipPos.w;"),n.push("    clipPos.xy -= pickClipPos;"),n.push("    clipPos.xy *= clipPos.w;"),n.push("    return clipPos;"),n.push("}"),n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==r&&"cylindrical"!==r||(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"));n.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),n.push("   worldPosition.xyz = worldPosition.xyz + offset;"),n.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = remapClipPos(clipPos);"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(r.push("uniform vec4 pickColor;"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = pickColor; "),r.push("}"),r}(e)}}const vr=d.vec3(),br=function(e,t){this._hash=e,this._shaderSource=new _r(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},yr={};br.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let i=yr[t];if(!i){if(i=new br(t,e),i.errors)return console.log(i.errors.join("\n")),null;yr[t]=i,m.memory.programs++}return i._useCount++,i},br.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete yr[this._hash],m.memory.programs--)},br.prototype.webglContextRestored=function(){this._program=null},br.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(r.originHash,a):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=se(i.dist,i.dir,a,vr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}if(o.id!==this._lastMaterialId){const t=o.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=o.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=o.id}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id);var l=t._state.pickID;const A=l>>24&255,h=l>>16&255,c=l>>8&255,u=255&l;s.uniform4f(this._uPickColor,u/255,c/255,h/255,A/255),s.uniform2fv(this._uPickClipPos,e.pickClipPos),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},br.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new gt(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uPickColor=s.getLocation("pickColor"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null},br.prototype._bindProgram=function(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastGeometryId=null};class Br{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=[];r.push("#version 300 es"),r.push("// Surface picking vertex shader"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 viewMatrix;"),r.push("uniform mat4 projMatrix;"),r.push("uniform vec3 offset;"),i&&(r.push("uniform bool clippable;"),r.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;"),r.push("bool isPerspectiveMatrix(mat4 m) {"),r.push("    return (m[2][3] == - 1.0);"),r.push("}"),r.push("out float isPerspective;"));r.push("uniform vec2 pickClipPos;"),r.push("vec4 remapClipPos(vec4 clipPos) {"),r.push("    clipPos.xy /= clipPos.w;"),r.push("    clipPos.xy -= pickClipPos;"),r.push("    clipPos.xy *= clipPos.w;"),r.push("    return clipPos;"),r.push("}"),r.push("out vec4 vColor;"),s&&r.push("uniform mat4 positionsDecodeMatrix;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),s&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("   vec4 worldPosition = modelMatrix * localPosition; "),r.push("   worldPosition.xyz = worldPosition.xyz + offset;"),r.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&r.push("   vWorldPosition = worldPosition;");r.push("   vColor = color;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return r.push("gl_Position = remapClipPos(clipPos);"),r.push("}"),r}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Surface picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),r.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0;e<i.getNumAllocatedSectionPlanes();e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("   outColor = vColor;"),r.push("}"),r}(e)}}const wr=d.vec3(),Pr=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Br(t),this._allocate(t)},xr={};Pr.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";");let i=xr[t];if(!i){if(i=new Pr(t,e),i.errors)return console.log(i.errors.join("\n")),null;xr[t]=i,m.memory.programs++}return i._useCount++,i},Pr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete xr[this._hash],m.memory.programs--)},Pr.prototype.webglContextRestored=function(){this._program=null},Pr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._state,o=t._material._state,n=t._geometry,a=t._geometry._state,l=t.origin,A=o.backfaces,h=o.frontface,c=i.camera.project,u=n._getPickTrianglePositions(),d=n._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){const e=2/(Math.log(c.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}if(s.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(r.originHash,l):e.pickViewMatrix),r.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(l){const t=se(i.dist,i.dir,l,wr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&s.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==A&&(A?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=A),e.frontface!==h&&(h?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=h),s.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(u,a.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT)):this._aPosition.bindArrayBuffer(u),s.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),s.enableVertexAttribArray(this._aColor.location),s.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),s.drawArrays(a.primitive,0,u.numItems/3)},Pr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new gt(i,this._shaderSource),this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._aColor=s.getAttribute("color"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC"))};class Cr{constructor(e){this.vertex=function(e){const t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,s=!!e._geometry._state.compressGeometry,r=e._state.billboard,o=e._state.stationary,n=[];n.push("#version 300 es"),n.push("// Mesh occlusion vertex shader"),n.push("in vec3 position;"),n.push("uniform mat4 modelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform vec3 offset;"),s&&n.push("uniform mat4 positionsDecodeMatrix;");i&&n.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;"));"spherical"!==r&&"cylindrical"!==r||(n.push("void billboard(inout mat4 mat) {"),n.push("   mat[0][0] = 1.0;"),n.push("   mat[0][1] = 0.0;"),n.push("   mat[0][2] = 0.0;"),"spherical"===r&&(n.push("   mat[1][0] = 0.0;"),n.push("   mat[1][1] = 1.0;"),n.push("   mat[1][2] = 0.0;")),n.push("   mat[2][0] = 0.0;"),n.push("   mat[2][1] = 0.0;"),n.push("   mat[2][2] =1.0;"),n.push("}"));n.push("void main(void) {"),n.push("vec4 localPosition = vec4(position, 1.0); "),n.push("vec4 worldPosition;"),s&&n.push("localPosition = positionsDecodeMatrix * localPosition;");n.push("mat4 viewMatrix2 = viewMatrix;"),n.push("mat4 modelMatrix2 = modelMatrix;"),o&&n.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===r||"cylindrical"===r?(n.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),n.push("billboard(modelMatrix2);"),n.push("billboard(viewMatrix2);"),n.push("billboard(modelViewMatrix);"),n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(n.push("worldPosition = modelMatrix2 * localPosition;"),n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&n.push("   vWorldPosition = worldPosition;");n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return n.push("gl_Position = clipPos;"),n.push("}"),n}(e),this.fragment=function(e){const t=e.scene,i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];r.push("#version 300 es"),r.push("// Mesh occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),t.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;"));if(s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return r.push("}"),r}(e)}}const Mr=d.vec3(),Er=function(e,t){this._hash=e,this._shaderSource=new Cr(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Fr={};Er.get=function(e){const t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";");let i=Fr[t];if(!i){if(i=new Er(t,e),i.errors)return console.log(i.errors.join("\n")),null;Fr[t]=i,m.memory.programs++}return i._useCount++,i},Er.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Fr[this._hash],m.memory.programs--)},Er.prototype.webglContextRestored=function(){this._program=null},Er.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene,s=i.canvas.gl,r=t._material._state,o=t._state,n=t._geometry._state,a=t.origin;if(r.alpha<1)return;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){const t=r.backfaces;e.backfaces!==t&&(t?s.disable(s.CULL_FACE):s.enable(s.CULL_FACE),e.backfaces=t);const i=r.frontface;e.frontface!==i&&(i?s.frontFace(s.CCW):s.frontFace(s.CW),e.frontface=i),this._lastMaterialId=r.id}const l=i.camera;if(s.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(o.originHash,a):l.viewMatrix),o.clippable){const e=i._sectionPlanesState.getNumAllocatedSectionPlanes(),r=i._sectionPlanesState.sectionPlanes.length;if(e>0){const o=i._sectionPlanesState.sectionPlanes,n=t.renderFlags;for(let t=0;t<e;t++){const e=this._uSectionPlanes[t];if(e)if(t<r){const i=n.sectionPlanesActivePerLayer[t];if(s.uniform1i(e.active,i?1:0),i){const i=o[t];if(a){const t=se(i.dist,i.dir,a,Mr);s.uniform3fv(e.pos,t)}else s.uniform3fv(e.pos,i.pos);s.uniform3fv(e.dir,i.dir)}}else s.uniform1i(e.active,0)}}}s.uniformMatrix4fv(this._uProjMatrix,!1,l._project._state.matrix),s.uniformMatrix4fv(this._uModelMatrix,s.FALSE,t.worldMatrix),this._uClippable&&s.uniform1i(this._uClippable,t._state.clippable),s.uniform3fv(this._uOffset,t._state.offset),n.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&s.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,n.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(n.positionsBuf,n.compressGeometry?s.UNSIGNED_SHORT:s.FLOAT),e.bindArray++),n.indicesBuf&&(n.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=n.id),n.indicesBuf?(s.drawElements(n.primitive,n.indicesBuf.numItems,n.indicesBuf.itemType,0),e.drawElements++):n.positions&&s.drawArrays(s.TRIANGLES,0,n.positions.numItems)},Er.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new gt(i,this._shaderSource),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Er.prototype._bindProgram=function(e){const t=this._scene,i=t.camera.project,s=t.canvas.gl;if(this._program.bind(),e.useProgram++,s.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,e)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};class Ir{constructor(e){this.vertex=function(e){const t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,s=[];s.push("// Mesh shadow vertex shader"),s.push("in vec3 position;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 shadowViewMatrix;"),s.push("uniform mat4 shadowProjMatrix;"),s.push("uniform vec3 offset;"),i&&s.push("uniform mat4 positionsDecodeMatrix;");t&&s.push("out vec4 vWorldPosition;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),s.push("vec4 worldPosition;"),i&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("worldPosition = modelMatrix * localPosition;"),s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&s.push("vWorldPosition = worldPosition;");return s.push("   gl_Position = shadowProjMatrix * viewPosition;"),s.push("}"),s}(e),this.fragment=function(e){const t=e.scene;t.canvas.gl;const i=t._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("// Mesh shadow fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),s){r.push("uniform bool clippable;"),r.push("in vec4 vWorldPosition;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("uniform bool sectionPlaneActive"+o+";"),r.push("uniform vec3 sectionPlanePos"+o+";"),r.push("uniform vec3 sectionPlaneDir"+o+";")}if(r.push("vec4 encodeFloat( const in float depth ) {"),r.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),r.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),r.push("  vec4 comp = fract(depth * bitShift);"),r.push("  comp -= comp.xxyz * bitMask;"),r.push("  return comp;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),s){r.push("if (clippable) {"),r.push("  float dist = 0.0;");for(o=0;o<i.getNumAllocatedSectionPlanes();o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("outColor = encodeFloat(gl_FragCoord.z);"),r.push("}"),r}(e)}}const Dr=function(e,t){this._hash=e,this._shaderSource=new Ir(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Sr={};Dr.get=function(e){const t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";");let s=Sr[i];if(!s){if(s=new Dr(i,e),s.errors)return console.log(s.errors.join("\n")),null;Sr[i]=s,m.memory.programs++}return s._useCount++,s},Dr.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Sr[this._hash],m.memory.programs--)},Dr.prototype.webglContextRestored=function(){this._program=null},Dr.prototype.drawMesh=function(e,t){this._program||this._allocate(t);const i=this._scene.canvas.gl,s=t._material._state,r=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){const t=s.backfaces;e.backfaces!==t&&(t?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=t);const r=s.frontface;e.frontface!==r&&(r?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=r),e.lineWidth!==s.lineWidth&&(i.lineWidth(s.lineWidth),e.lineWidth=s.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,s.pointSize),this._lastMaterialId=s.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),r.combineGeometry){const s=t.vertexBufs;s.id!==this._lastVertexBufsId&&(s.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=s.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),r.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,r.positionsDecodeMatrix),r.combineGeometry?r.indicesBufCombined&&(r.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(r.positionsBuf,r.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),r.indicesBuf&&(r.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=r.id),r.combineGeometry?r.indicesBufCombined&&(i.drawElements(r.primitive,r.indicesBufCombined.numItems,r.indicesBufCombined.itemType,0),e.drawElements++):r.indicesBuf?(i.drawElements(r.primitive,r.indicesBuf.numItems,r.indicesBuf.itemType,0),e.drawElements++):r.positions&&(i.drawArrays(i.TRIANGLES,0,r.positions.numItems),e.drawArrays++)},Dr.prototype._allocate=function(e){const t=e.scene,i=t.canvas.gl;if(this._program=new gt(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(let e=0,i=t._sectionPlanesState.sectionPlanes.length;e<i;e++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+e),pos:s.getLocation("sectionPlanePos"+e),dir:s.getLocation("sectionPlaneDir"+e)});this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uOffset=s.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null},Dr.prototype._bindProgram=function(e){this._program||this._allocate(mesh);const t=this._scene,i=t.canvas.gl,s=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,s.getNumAllocatedSectionPlanes()>0){let e,t,r,o,n;for(let a=0,l=this._uSectionPlanes.length;a<l;a++)e=this._uSectionPlanes[a],t=e.active,r=s.sectionPlanes[a],t&&i.uniform1i(t,r.active),o=e.pos,o&&i.uniform3fv(e.pos,r.pos),n=e.dir,n&&i.uniform3fv(e.dir,r.dir)}};class Tr{constructor(){this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}reset(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}const Rr=d.OBB3(),Lr=d.vec4(),Ur=d.vec4(),Or=d.vec4(),kr=d.vec3([1,0,0]),Nr=d.vec3([0,1,0]),Qr=d.vec3([0,0,1]),Vr=d.vec3(3),Hr=d.vec3(3),jr=d.identityMat4();class Gr extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this.originalSystemId=t.originalSystemId||this.id,this.renderFlags=new Tr,this._state=new kt({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==t.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!t.stationary,background:!!t.background,billboard:this._checkBillboard(t.billboard),layer:null,colorize:null,pickID:this.scene._renderer.getPickID(this),drawHash:"",pickHash:"",offset:d.vec3(),origin:null,originHash:null}),this._drawRenderer=null,this._shadowRenderer=null,this._emphasisFillRenderer=null,this._emphasisEdgesRenderer=null,this._pickMeshRenderer=null,this._pickTriangleRenderer=null,this._occlusionRenderer=null,this._geometry=t.geometry?this._checkComponent2(["ReadableGeometry","VBOGeometry"],t.geometry):this.scene.geometry,this._material=t.material?this._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],t.material):this.scene.material,this._xrayMaterial=t.xrayMaterial?this._checkComponent("EmphasisMaterial",t.xrayMaterial):this.scene.xrayMaterial,this._highlightMaterial=t.highlightMaterial?this._checkComponent("EmphasisMaterial",t.highlightMaterial):this.scene.highlightMaterial,this._selectedMaterial=t.selectedMaterial?this._checkComponent("EmphasisMaterial",t.selectedMaterial):this.scene.selectedMaterial,this._edgeMaterial=t.edgeMaterial?this._checkComponent("EdgeMaterial",t.edgeMaterial):this.scene.edgeMaterial,this._parentNode=null,this._aabb=null,this._aabbDirty=!0,this._numTriangles=this._geometry?this._geometry.numTriangles:0,this.scene._aabbDirty=!0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._worldMatrix=d.identityMat4(),this._worldNormalMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0;const i=t.origin||t.rtcCenter;if(i&&(this._state.origin=d.vec3(i),this._state.originHash=i.join()),t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.layer=t.layer,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'"),this._parentNode=e}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this),this._parentNode=t.parent);this.compile()}get type(){return"Mesh"}get isMesh(){return!0}get parent(){return this._parentNode}get geometry(){return this._geometry}get material(){return this._material}get position(){return this._position}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix}set matrix(e){this.__localMatrix||(this.__localMatrix=d.identityMat4()),this.__localMatrix.set(e||jr),d.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}get worldNormalMatrix(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}get origin(){return this._state.origin}set origin(e){e?(this._state.origin||(this._state.origin=d.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}get rtcCenter(){return this.origin}set rtcCenter(e){this.origin=e}get numTriangles(){return this._numTriangles}get visible(){return this._state.visible}set visible(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}get xrayed(){return this._state.xrayed}set xrayed(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}get highlighted(){return this._state.highlighted}set highlighted(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}get selected(){return this._state.selected}set selected(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}get edges(){return this._state.edges}set edges(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}get culled(){return this._state.culled}set culled(e){this._state.culled=!!e,this.glRedraw()}get clippable(){return this._state.clippable}set clippable(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}get collidable(){return this._state.collidable}set collidable(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}get pickable(){return this._state.pickable}set pickable(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}get castsShadow(){return this._state.castsShadow}set castsShadow(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}get receivesShadow(){return this._state.receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}get saoEnabled(){return!1}get colorize(){return this._state.colorize}set colorize(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);const i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}get opacity(){return this._state.colorize[3]}set opacity(e){let t=this._state.colorize;t||(t=this._state.colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1);const i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}get transparent(){return 2===this._material.alphaMode||this._state.colorize[3]<1}get layer(){return this._state.layer}set layer(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}get stationary(){return this._state.stationary}get billboard(){return this._state.billboard}get offset(){return this._state.offset}set offset(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}get isDrawable(){return!0}get isStateSortable(){return!0}get xrayMaterial(){return this._xrayMaterial}get highlightMaterial(){return this._highlightMaterial}get selectedMaterial(){return this._selectedMaterial}get edgeMaterial(){return this._edgeMaterial}_checkBillboard(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}compile(){const e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=nr.get(this),this._emphasisFillRenderer=cr.get(this),this._emphasisEdgesRenderer=gr.get(this));const t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=br.get(this)),this._state.occluder){const e=this._makeOcclusionHash();this._state.occlusionHash!==e&&(this._state.occlusionHash=e,this._putOcclusionRenderer(),this._occlusionRenderer=Er.get(this))}}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_buildWorldNormalMatrix(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=d.mat4()),d.transposeMat4(this._worldMatrix,this._worldNormalMatrix),d.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}_setAABBDirty(){if(this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}_webglContextRestored(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}_makeDrawHash(){const e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}_makePickHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_makeOcclusionHash(){const e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}_buildAABB(e,t){d.transformOBB3(e,this._geometry.obb,Rr),d.OBB3ToAABB3(Rr,t);const i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){const e=this._state.origin;t[0]+=e[0],t[1]+=e[1],t[2]+=e[2],t[3]+=e[0],t[4]+=e[1],t[5]+=e[2]}}rotate(e,t){return Lr[0]=e[0],Lr[1]=e[1],Lr[2]=e[2],Lr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Lr,Ur),d.mulQuaternions(this.quaternion,Ur,Or),this.quaternion=Or,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return Lr[0]=e[0],Lr[1]=e[1],Lr[2]=e[2],Lr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Lr,Ur),d.mulQuaternions(Ur,this.quaternion,Ur),this}rotateX(e){return this.rotate(kr,e)}rotateY(e){return this.rotate(Nr,e)}rotateZ(e){return this.rotate(Qr,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,Vr),d.mulVec3Scalar(Vr,t,Hr),d.addVec3(this.position,Hr,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(kr,e)}translateY(e){return this.translate(Nr,e)}translateZ(e){return this.translate(Qr,e)}_putDrawRenderers(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}_putPickRenderers(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}_putOcclusionRenderer(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}stateSortCompare(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}rebuildRenderFlags(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}_updateRenderFlags(){const e=this.renderFlags,t=this._state;if(t.xrayed){const t=this._xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges){this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0}if(t.selected){const t=this._selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){const t=this._highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}_getActiveSectionPlanes(){if(this._state.clippable){const e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(let i=0;i<t;i++){const t=e[i],s=this.renderFlags;if(t.active)if(this._state.origin){const e=d.planeAABB3Intersect(t.dir,t.dist,this.aabb);if(-1===e)return!1;const r=0===e;s.sectionPlanesActivePerLayer[i]=r}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}drawColorOpaque(e){(this._drawRenderer||(this._drawRenderer=nr.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawColorTransparent(e){(this._drawRenderer||(this._drawRenderer=nr.get(this)))&&this._drawRenderer.drawMesh(e,this)}drawSilhouetteXRayed(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=cr.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}drawSilhouetteHighlighted(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=cr.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}drawSilhouetteSelected(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=cr.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}drawEdgesColorOpaque(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=gr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesColorTransparent(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=gr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}drawEdgesXRayed(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=gr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}drawEdgesHighlighted(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=gr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}drawEdgesSelected(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=gr.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}drawOcclusion(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Er.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}drawShadow(e){(this._shadowRenderer||(this._shadowRenderer=Dr.get(this)))&&this._shadowRenderer.drawMesh(e,this)}drawPickMesh(e){(this._pickMeshRenderer||(this._pickMeshRenderer=br.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}canPickTriangle(){return this._geometry.isReadableGeometry}drawPickTriangles(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=Pr.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}pickTriangleSurface(e,t,i,s){zr(this,e,t,i,s)}drawPickVertices(e){}delegatePickedEntity(){return this}destroy(){super.destroy(),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}const zr=function(){const e=d.vec3(),t=d.vec3(),i=d.vec3(),s=d.vec3(),r=d.vec3(),o=d.vec3(),n=d.vec4(),a=d.vec3(),l=d.vec3(),A=d.vec3(),h=d.vec3(),c=d.vec3(),u=d.vec3(),p=d.vec3(),f=d.vec3(),g=d.vec3(),m=d.vec4(),_=d.vec4(),v=d.vec4(),b=d.vec3(),y=d.vec3(),B=d.vec3(),w=d.vec3(),P=d.vec3(),x=d.vec3(),C=d.vec3(),M=d.vec3(),E=d.vec3(),F=d.vec3(),I=d.vec3();return function(D,S,T,R,L){var U=L.primIndex;if(null!=U&&U>-1){const Q=D.geometry._state,V=D.scene,H=V.camera,j=V.canvas;if("triangles"===Q.primitiveName){L.primitive="triangle";const V=U,G=Q.indices,z=Q.positions;let K,W,X;if(G){var O=G[V+0],k=G[V+1],N=G[V+2];o[0]=O,o[1]=k,o[2]=N,L.indices=o,K=3*O,W=3*k,X=3*N}else K=3*V,W=K+3,X=W+3;if(i[0]=z[K+0],i[1]=z[K+1],i[2]=z[K+2],s[0]=z[W+0],s[1]=z[W+1],s[2]=z[W+2],r[0]=z[X+0],r[1]=z[X+1],r[2]=z[X+2],Q.compressGeometry){const e=Q.positionsDecodeMatrix;e&&(mi.decompressPosition(i,e,i),mi.decompressPosition(s,e,s),mi.decompressPosition(r,e,r))}L.canvasPos?d.canvasPosToLocalRay(j.canvas,D.origin?$(S,D.origin):S,T,R,D.worldMatrix,L.canvasPos,e,t):L.origin&&L.direction&&d.worldRayToLocalRay(D.worldMatrix,L.origin,L.direction,e,t),d.normalizeVec3(t),d.rayPlaneIntersect(e,t,i,s,r,n),L.localPos=n,L.position=n,m[0]=n[0],m[1]=n[1],m[2]=n[2],m[3]=1,d.transformVec4(D.worldMatrix,m,_),a[0]=_[0],a[1]=_[1],a[2]=_[2],L.canvasPos&&D.origin&&(a[0]+=D.origin[0],a[1]+=D.origin[1],a[2]+=D.origin[2]),L.worldPos=a,d.transformVec4(H.matrix,_,v),l[0]=v[0],l[1]=v[1],l[2]=v[2],L.viewPos=l,d.cartesianToBarycentric(n,i,s,r,A),L.bary=A;const J=Q.normals;if(J){if(Q.compressGeometry){const e=3*O,t=3*k,i=3*N;mi.decompressNormal(J.subarray(e,e+2),h),mi.decompressNormal(J.subarray(t,t+2),c),mi.decompressNormal(J.subarray(i,i+2),u)}else h[0]=J[K],h[1]=J[K+1],h[2]=J[K+2],c[0]=J[W],c[1]=J[W+1],c[2]=J[W+2],u[0]=J[X],u[1]=J[X+1],u[2]=J[X+2];const e=d.addVec3(d.addVec3(d.mulVec3Scalar(h,A[0],b),d.mulVec3Scalar(c,A[1],y),B),d.mulVec3Scalar(u,A[2],w),P);L.worldNormal=d.normalizeVec3(d.transformVec3(D.worldNormalMatrix,e,x))}const Y=Q.uv;if(Y){if(p[0]=Y[2*O],p[1]=Y[2*O+1],f[0]=Y[2*k],f[1]=Y[2*k+1],g[0]=Y[2*N],g[1]=Y[2*N+1],Q.compressGeometry){const e=Q.uvDecodeMatrix;e&&(mi.decompressUV(p,e,p),mi.decompressUV(f,e,f),mi.decompressUV(g,e,g))}L.uv=d.addVec3(d.addVec3(d.mulVec2Scalar(p,A[0],C),d.mulVec2Scalar(f,A[1],M),E),d.mulVec2Scalar(g,A[2],F),I)}}}}}();function Kr(e={}){let t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);let i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);let s=e.height||1;s<0&&(console.error("negative height not allowed - will invert"),s*=-1);let r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<3&&(r=3);let o=e.heightSegments||1;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),o<1&&(o=1);const n=!!e.openEnded;let a=e.center;const l=a?a[0]:0,A=a?a[1]:0,h=a?a[2]:0,c=s/2,u=s/o,d=2*Math.PI/r,p=1/r,f=(t-i)/o,g=[],m=[],_=[],v=[];let b,B,w,P,x,C,M,E,F,I,D;const S=(90-180*Math.atan(s/(i-t))/Math.PI)/90;for(b=0;b<=o;b++)for(x=t-b*f,C=c-b*u,B=0;B<=r;B++)w=Math.sin(B*d),P=Math.cos(B*d),m.push(x*w),m.push(S),m.push(x*P),_.push(B*p),_.push(1*b/o),g.push(x*w+l),g.push(C+A),g.push(x*P+h);for(b=0;b<o;b++)for(B=0;B<=r;B++)M=b*(r+1)+B,E=M+r,v.push(M),v.push(E),v.push(E+1),v.push(M),v.push(E+1),v.push(M+1);if(!n&&t>0){for(F=g.length/3,m.push(0),m.push(1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(c+A),g.push(0+h),B=0;B<=r;B++)w=Math.sin(B*d),P=Math.cos(B*d),I=.5*Math.sin(B*d)+.5,D=.5*Math.cos(B*d)+.5,m.push(t*w),m.push(1),m.push(t*P),_.push(I),_.push(D),g.push(t*w+l),g.push(c+A),g.push(t*P+h);for(B=0;B<r;B++)a=F,M=F+1+B,v.push(M),v.push(M+1),v.push(a)}if(!n&&i>0){for(F=g.length/3,m.push(0),m.push(-1),m.push(0),_.push(.5),_.push(.5),g.push(0+l),g.push(0-c+A),g.push(0+h),B=0;B<=r;B++)w=Math.sin(B*d),P=Math.cos(B*d),I=.5*Math.sin(B*d)+.5,D=.5*Math.cos(B*d)+.5,m.push(i*w),m.push(-1),m.push(i*P),_.push(I),_.push(D),g.push(i*w+l),g.push(0-c+A),g.push(i*P+h);for(B=0;B<r;B++)a=F,M=F+1+B,v.push(a),v.push(M+1),v.push(M)}return y.apply(e,{positions:g,normals:m,uv:_,indices:v})}function Wr(e={}){const t=e.lod||1,i=e.center?e.center[0]:0,s=e.center?e.center[1]:0,r=e.center?e.center[2]:0;let o=e.radius||1;o<0&&(console.error("negative radius not allowed - will invert"),o*=-1);let n=e.heightSegments||18;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n=Math.floor(t*n),n<18&&(n=18);let a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),a=Math.floor(t*a),a<18&&(a=18);const l=[],A=[],h=[],c=[];let u,d,p,f,g,m,_,v,b,B,w,P,x,C,M;for(u=0;u<=n;u++)for(p=u*Math.PI/n,f=Math.sin(p),g=Math.cos(p),d=0;d<=a;d++)m=2*d*Math.PI/a,_=Math.sin(m),v=Math.cos(m),b=v*f,B=g,w=_*f,P=1-d/a,x=u/n,A.push(b),A.push(B),A.push(w),h.push(P),h.push(x),l.push(i+o*b),l.push(s+o*B),l.push(r+o*w);for(u=0;u<n;u++)for(d=0;d<a;d++)C=u*(a+1)+d,M=C+a+1,c.push(C+1),c.push(M+1),c.push(M),c.push(C+1),c.push(M),c.push(C);return y.apply(e,{positions:l,normals:A,uv:h,indices:c})}const Xr={" 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Jr(e={}){var t=e.origin||[0,0,0],i=t[0],s=t[1],r=t[2],o=e.size||1,n=[],a=[],l=e.text;y.isNumeric(l)&&(l=""+l);for(var A,h,c,u,d,p,f,g,m,_=(l||"").split("\n"),v=0,b=0,B=.04,w=0;w<_.length;w++){A=0,c=(h=_[w]).length;for(var P=0;P<c;P++)if(u=Xr[h.charAt(P)]){d=1,p=-1,f=-1,g=u.points.length;for(var x=0;x<g;x++)-1!==(m=u.points[x])[0]||-1!==m[1]?(n.push(A+m[0]*o*B+i),n.push(b+m[1]*o*B+s),n.push(0+r),-1===p?p=v:(-1===f||(p=f),f=v),v++,d?d=!1:(a.push(p),a.push(f))):d=1;A+=u.width*B*o}b-=35*B*o}return y.apply(e,{primitive:"lines",positions:n,indices:a})}class Yr extends z{constructor(e,t){super("AxisGizmo",e,t=t||{});const i=e.scene.camera;t.canvasId||t.canvasElement||this.error("Config expected: either 'canvasId' or 'canvasElement'");try{this._axisGizmoScene=new Ni(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0})}catch(e){return void this.error(e)}const s=this._axisGizmoScene;s.clearLights(),new li(s,{color:[.45,.45,.5],intensity:.9}),new ai(s,{dir:[-.5,.5,-.6],color:[.8,.8,.7],intensity:1,space:"view"}),new ai(s,{dir:[.5,-.5,-.6],color:[.8,.8,.8],intensity:1,space:"view"});const r=s.camera;i.on("matrix",(function(){const e=i.eye,t=i.look,s=i.up,o=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(e,t,[])),22);r.look=[0,0,0],r.eye=o,r.up=s}));const o=new bi(s,Kr({radiusTop:.01,radiusBottom:.6,height:1.7,radialSegments:20,heightSegments:1,openEnded:!1})),n=new bi(s,Kr({radiusTop:.2,radiusBottom:.2,height:4.5,radialSegments:20,heightSegments:1,openEnded:!1})),a=new xi(s,{diffuse:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),l=new xi(s,{emissive:[1,.3,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),A=new xi(s,{diffuse:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),h=new xi(s,{emissive:[.3,1,.3],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),c=new xi(s,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),u=new xi(s,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),p=new xi(s,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});this._meshes=[new Gr(s,{geometry:new bi(s,Wr({radius:9,heightSegments:60,widthSegments:60})),material:new xi(s,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==t.visible}),new Gr(s,{geometry:new bi(s,Wr({radius:1})),material:p,pickable:!1,collidable:!1,visible:!1!==t.visible}),new Gr(s,{geometry:o,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[5,0,0],rotation:[0,0,-90]}),new Gr(s,{geometry:n,material:a,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[2,0,0],rotation:[0,0,90]}),new Gr(s,{geometry:new bi(s,Jr({text:"X",size:1.5})),material:l,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[7,0,0],billboard:"spherical"}),new Gr(s,{geometry:o,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,5,0]}),new Gr(s,{geometry:n,material:A,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,2,0]}),new Gr(s,{geometry:new bi(s,Jr({text:"Y",size:1.5})),material:h,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,7,0],billboard:"spherical"}),new Gr(s,{geometry:o,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,5],rotation:[90,0,0]}),new Gr(s,{geometry:n,material:c,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,2],rotation:[90,0,0]}),new Gr(s,{geometry:new bi(s,Jr({text:"Z",size:1.5})),material:u,pickable:!1,collidable:!1,visible:!1!==t.visible,position:[0,0,7],billboard:"spherical"})]}setVisible(e){for(let t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}destroy(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,super.destroy()}}d.vec3();class Zr extends R{get type(){return"SectionPlane"}constructor(e,t={}){super(e,t),this._state=new kt({active:!0,pos:d.vec3(),dir:d.vec3(),dist:0}),this.active=t.active,this.pos=t.pos,this.dir=t.dir,this.scene._sectionPlaneCreated(this)}set active(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}get active(){return this._state.active}set pos(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}get pos(){return this._state.pos}set dir(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-d.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}get dir(){return this._state.dir}get dist(){return this._state.dist}flipDir(){d.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}destroy(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),super.destroy()}}const qr=d.vec4(4),$r=d.vec4(),eo=d.vec4(),to=d.vec3([1,0,0]),io=d.vec3([0,1,0]),so=d.vec3([0,0,1]),ro=d.vec3(3),oo=d.vec3(3),no=d.identityMat4();class ao extends R{constructor(e,t={}){if(super(e,t),this._parentNode=null,this._children=[],this._aabb=null,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._numTriangles=0,this._scale=d.vec3(),this._quaternion=d.identityQuaternion(),this._rotation=d.vec3(),this._position=d.vec3(),this._offset=d.vec3(),this._localMatrix=d.identityMat4(),this._worldMatrix=d.identityMat4(),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._isObject=t.isObject,this._isObject&&this.scene._registerObject(this),this.origin=t.origin,this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.offset=t.offset,t.children){const e=t.children;for(let i=0,s=e.length;i<s;i++)this.addChild(e[i],t.inheritStates)}if(t.parentId){const e=this.scene.components[t.parentId];e?e.isNode?e.addChild(this):this.error("Parent is not a Node: '"+t.parentId+"'"):this.error("Parent not found: '"+t.parentId+"'")}else t.parent&&(t.parent.isNode||this.error("Parent is not a Node"),t.parent.addChild(this))}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return this._isObject}get aabb(){return this._aabbDirty&&this._updateAABB(),this._aabb}set origin(e){e?(this._origin||(this._origin=d.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(let t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}get origin(){return this._origin}set rtcCenter(e){this.origin=e}get rtcCenter(){return this.origin}get numTriangles(){return this._numTriangles}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}get visible(){return this._visible}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}get xrayed(){return this._xrayed}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}get highlighted(){return this._highlighted}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}get selected(){return this._selected}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}get edges(){return this._edges}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}get culled(){return this._culled}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}get clippable(){return this._clippable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}get collidable(){return this._collidable}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}get pickable(){return this._pickable}set colorize(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(let e=0,i=this._children.length;e<i;e++)this._children[e].colorize=t;if(this._isObject){const t=!!e;this.scene._objectColorizeUpdated(this,t)}}get colorize(){return this._colorize.slice(0,3)}set opacity(e){let t=this._colorize;t||(t=this._colorize=new Float32Array(4),t[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(let t=0,i=this._children.length;t<i;t++)this._children[t].opacity=e;if(this._isObject){const t=null!=e;this.scene._objectOpacityUpdated(this,t)}}get opacity(){return this._colorize[3]}set castsShadow(e){e=!!e,this._castsShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}get castsShadow(){return this._castsShadow}set receivesShadow(e){e=!!e,this._receivesShadow=e;for(let t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}get receivesShadow(){return this._receivesShadow}get saoEnabled(){return!1}set offset(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(let e=0,t=this._children.length;e<t;e++)this._children[e].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}get offset(){return this._offset}get isNode(){return!0}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}_setWorldMatrixDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}_buildWorldMatrix(){const e=this.matrix;if(this._parentNode)d.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._children)for(let t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}_setAABBDirty(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(let e=this;e;e=e._parentNode)e._aabbDirty=!0}_updateAABB(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=d.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{let e;d.collapseAABB3(this._aabb);for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e.collidable&&d.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}addChild(e,t){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.component[t]))return void this.warn("Component not found: "+y.inQuotes(t));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+t)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}removeChild(e){for(let t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}removeChildren(){let e;for(let t=0,i=this._children.length;t<i;t++)e=this._children[t],e._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}get numChildren(){return this._children.length}get children(){return this._children}set parent(e){if(y.isNumeric(e)||y.isString(e)){const t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+y.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}get parent(){return this._parentNode}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||no),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return qr[0]=e[0],qr[1]=e[1],qr[2]=e[2],qr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(qr,$r),d.mulQuaternions(this.quaternion,$r,eo),this.quaternion=eo,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}rotateOnWorldAxis(e,t){return qr[0]=e[0],qr[1]=e[1],qr[2]=e[2],qr[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(qr,$r),d.mulQuaternions($r,this.quaternion,$r),this}rotateX(e){return this.rotate(to,e)}rotateY(e){return this.rotate(io,e)}rotateZ(e){return this.rotate(so,e)}translate(e,t){return d.vec3ApplyQuaternion(this.quaternion,e,ro),d.mulVec3Scalar(ro,t,oo),d.addVec3(this.position,oo,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}translateX(e){return this.translate(to,e)}translateY(e){return this.translate(io,e)}translateZ(e){return this.translate(so,e)}get type(){return"Node"}destroy(){if(super.destroy(),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((e=>0!==e))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length){const e=this._children.splice();let t;for(let i=0,s=e.length;i<s;i++)t=e[i],t.destroy()}this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}class lo extends Bi{get type(){return"LambertMaterial"}constructor(e,t={}){super(e,t),this._state=new kt({type:"LambertMaterial",ambient:d.vec3([1,1,1]),color:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),this.ambient=t.ambient,this.color=t.color,this.emissive=t.emissive,this.alpha=t.alpha,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this.backfaces=t.backfaces,this.frontface=t.frontface}set ambient(e){let t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}get ambient(){return this._state.ambient}set color(e){let t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get color(){return this._state.color}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}get alpha(){return this._state.alpha}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}_getState(){return this._state}destroy(){super.destroy(),this._state.destroy()}}const Ao={opaque:0,mask:1,blend:2},ho=["opaque","mask","blend"];class co extends Bi{get type(){return"MetallicMaterial"}constructor(e,t={}){super(e,t),this._state=new kt({type:"MetallicMaterial",baseColor:d.vec4([1,1,1]),emissive:d.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.baseColor=t.baseColor,this.metallic=t.metallic,this.roughness=t.roughness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.baseColorMap&&(this._baseColorMap=this._checkComponent("Texture",t.baseColorMap)),t.metallicMap&&(this._metallicMap=this._checkComponent("Texture",t.metallicMap)),t.roughnessMap&&(this._roughnessMap=this._checkComponent("Texture",t.roughnessMap)),t.metallicRoughnessMap&&(this._metallicRoughnessMap=this._checkComponent("Texture",t.metallicRoughnessMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set baseColor(e){let t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get baseColor(){return this._state.baseColor}get baseColorMap(){return this._baseColorMap}set metallic(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}get metallic(){return this._state.metallic}get metallicMap(){return this._attached.metallicMap}set roughness(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}get roughness(){return this._state.roughness}get roughnessMap(){return this._attached.roughnessMap}get metallicRoughnessMap(){return this._attached.metallicRoughnessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._attached.emissiveMap}get occlusionMap(){return this._attached.occlusionMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._attached.alphaMap}get normalMap(){return this._attached.normalMap}set alphaMode(e){let t=Ao[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return ho[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}const uo={opaque:0,mask:1,blend:2},po=["opaque","mask","blend"];class fo extends Bi{get type(){return"SpecularMaterial"}constructor(e,t={}){super(e,t),this._state=new kt({type:"SpecularMaterial",diffuse:d.vec3([1,1,1]),emissive:d.vec3([0,0,0]),specular:d.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),this.diffuse=t.diffuse,this.specular=t.specular,this.glossiness=t.glossiness,this.specularF0=t.specularF0,this.emissive=t.emissive,this.alpha=t.alpha,t.diffuseMap&&(this._diffuseMap=this._checkComponent("Texture",t.diffuseMap)),t.emissiveMap&&(this._emissiveMap=this._checkComponent("Texture",t.emissiveMap)),t.specularMap&&(this._specularMap=this._checkComponent("Texture",t.specularMap)),t.glossinessMap&&(this._glossinessMap=this._checkComponent("Texture",t.glossinessMap)),t.specularGlossinessMap&&(this._specularGlossinessMap=this._checkComponent("Texture",t.specularGlossinessMap)),t.occlusionMap&&(this._occlusionMap=this._checkComponent("Texture",t.occlusionMap)),t.alphaMap&&(this._alphaMap=this._checkComponent("Texture",t.alphaMap)),t.normalMap&&(this._normalMap=this._checkComponent("Texture",t.normalMap)),this.alphaMode=t.alphaMode,this.alphaCutoff=t.alphaCutoff,this.backfaces=t.backfaces,this.frontface=t.frontface,this.lineWidth=t.lineWidth,this.pointSize=t.pointSize,this._makeHash()}_makeHash(){const e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}set diffuse(e){let t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get diffuse(){return this._state.diffuse}get diffuseMap(){return this._diffuseMap}set specular(e){let t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}get specular(){return this._state.specular}get specularMap(){return this._specularMap}get specularGlossinessMap(){return this._specularGlossinessMap}set glossiness(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}get glossiness(){return this._state.glossiness}get glossinessMap(){return this._glossinessMap}set specularF0(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}get specularF0(){return this._state.specularF0}set emissive(e){let t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}get emissive(){return this._state.emissive}get emissiveMap(){return this._emissiveMap}set alpha(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}get alpha(){return this._state.alpha}get alphaMap(){return this._alphaMap}get normalMap(){return this._normalMap}get occlusionMap(){return this._occlusionMap}set alphaMode(e){let t=uo[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}get alphaMode(){return po[this._state.alphaMode]}set alphaCutoff(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}get alphaCutoff(){return this._state.alphaCutoff}set backfaces(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}get backfaces(){return this._state.backfaces}set frontface(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}get frontface(){return this._state.frontface?"ccw":"cw"}set lineWidth(e){this._state.lineWidth=e||1,this.glRedraw()}get lineWidth(){return this._state.lineWidth}set pointSize(e){this._state.pointSize=e||1,this.glRedraw()}get pointSize(){return this._state.pointSize}destroy(){super.destroy(),this._state.destroy()}}function go(e,t,i=null){let s;const r=t;if(1009===r)return e.UNSIGNED_BYTE;if(1017===r)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===r)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===r)return e.BYTE;if(1011===r)return e.SHORT;if(1012===r)return e.UNSIGNED_SHORT;if(1013===r)return e.INT;if(1014===r)return e.UNSIGNED_INT;if(1015===r)return e.FLOAT;if(1016===r)return e.HALF_FLOAT;if(1021===r)return e.ALPHA;if(1023===r)return e.RGBA;if(1024===r)return e.LUMINANCE;if(1025===r)return e.LUMINANCE_ALPHA;if(1026===r)return e.DEPTH_COMPONENT;if(1027===r)return e.DEPTH_STENCIL;if(1028===r)return e.RED;if(1022===r)return e.RGBA;if(1029===r)return e.RED_INTEGER;if(1030===r)return e.RG;if(1031===r)return e.RG_INTEGER;if(1033===r)return e.RGBA_INTEGER;if(33776===r||33777===r||33778===r||33779===r)if(3001===i){const t=Tt(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===t)return null;if(33776===r)return t.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===r)return t.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=Tt(e,"WEBGL_compressed_texture_s3tc"),null===s)return null;if(33776===r)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===r)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===r)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===r)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===r||35841===r||35842===r||35843===r){const t=Tt(e,"WEBGL_compressed_texture_pvrtc");if(null===t)return null;if(35840===r)return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===r)return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===r)return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===r)return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===r){const t=Tt(e,"WEBGL_compressed_texture_etc1");return null!==t?t.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===r||37496===r){const t=Tt(e,"WEBGL_compressed_texture_etc");if(null===t)return null;if(37492===r)return 3001===i?t.COMPRESSED_SRGB8_ETC2:t.COMPRESSED_RGB8_ETC2;if(37496===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:t.COMPRESSED_RGBA8_ETC2_EAC}if(37808===r||37809===r||37810===r||37811===r||37812===r||37813===r||37814===r||37815===r||37816===r||37817===r||37818===r||37819===r||37820===r||37821===r){const t=Tt(e,"WEBGL_compressed_texture_astc");if(null===t)return null;if(37808===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:t.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:t.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:t.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:t.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:t.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:t.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:t.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:t.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:t.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:t.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:t.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:t.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:t.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===r)return 3001===i?t.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:t.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===r){const t=Tt(e,"EXT_texture_compression_bptc");if(null===t)return null;if(36492===r)return 3001===i?t.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:t.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===r?e.UNSIGNED_INT_24_8:1e3===r?e.REPEAT:1001===r?e.CLAMP_TO_EDGE:1004===r||1005===r?e.NEAREST_MIPMAP_LINEAR:1007===r?e.LINEAR_MIPMAP_NEAREST:1008===r?e.LINEAR_MIPMAP_LINEAR:1003===r?e.NEAREST:1006===r?e.LINEAR:null}const mo=new Uint8Array([0,0,0,1]);class _o{constructor({gl:e,target:t,format:i,type:s,wrapS:r,wrapT:o,wrapR:n,encoding:a,preloadColor:l,premultiplyAlpha:A,flipY:h}){this.gl=e,this.target=t||e.TEXTURE_2D,this.format=i||1023,this.type=s||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=r||1e3,this.wrapT=o||1e3,this.wrapR=n||1e3,this.encoding=a||3001,this.texture=e.createTexture(),l&&this.setPreloadColor(l),this.allocated=!0}setPreloadColor(e){e?(mo[0]=Math.floor(255*e[0]),mo[1]=Math.floor(255*e[1]),mo[2]=Math.floor(255*e[2]),mo[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(mo[0]=0,mo[1]=0,mo[2]=0,mo[3]=255);const t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP){const e=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let i=0,s=e.length;i<s;i++)t.texImage2D(e[i],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,mo)}else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,mo);t.bindTexture(this.target,null)}setTarget(e){this.target=e||this.gl.TEXTURE_2D}setImage(e,t={}){const i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);let s=!1;i.bindTexture(this.target,this.texture);const r=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);const o=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);const n=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);const a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const l=go(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(s=!0);const A=go(i,this.magFilter);A&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,A);const h=go(i,this.wrapS);h&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,h);const c=go(i,this.wrapT);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,c);const u=go(i,this.format,this.encoding),d=go(i,this.type),p=vo(i,this.internalFormat,u,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(y.isArray(e)){const t=e,s=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z];for(let e=0,r=s.length;e<r;e++)i.texImage2D(s[e],0,p,u,d,t[e])}}else i.texImage2D(i.TEXTURE_2D,0,p,u,d,e);s&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,r),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,o),i.pixelStorei(i.UNPACK_ALIGNMENT,n),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}setCompressedData({mipmaps:e,props:t={}}){const i=this.gl,s=e.length;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR),i.activeTexture(i.TEXTURE0+0),i.bindTexture(this.target,this.texture);let r=e.length>1;i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);const o=go(i,this.wrapS);o&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,o);const n=go(i,this.wrapT);if(n&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,n),this.type===i.TEXTURE_3D||this.type===i.TEXTURE_2D_ARRAY){const e=go(i,this.wrapR);e&&i.texParameteri(this.target,i.TEXTURE_WRAP_R,e),i.texParameteri(this.type,i.TEXTURE_WRAP_R,e)}r?(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,bo(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,bo(i,this.magFilter))):(i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,go(i,this.minFilter)),i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,go(i,this.magFilter)));const a=go(i,this.format,this.encoding),l=go(i,this.type),A=vo(i,this.internalFormat,a,l,this.encoding,!1);i.texStorage2D(i.TEXTURE_2D,s,A,e[0].width,e[0].height);for(let t=0,s=e.length;t<s;t++){const s=e[t];1023!==this.format?null!==a?i.compressedTexSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,s.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):i.texSubImage2D(i.TEXTURE_2D,t,0,0,s.width,s.height,a,l,s.data)}i.bindTexture(this.target,null)}setProps(e){const t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}_uploadProps(e){const t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){const i=go(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){const i=go(t,e.magFilter);i&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,i))}if(void 0!==e.wrapS){const i=go(t,e.wrapS);i&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,i))}if(void 0!==e.wrapT){const i=go(t,e.wrapT);i&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,i))}}bind(e){if(this.allocated){if(this.texture){const t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}unbind(e){if(this.allocated&&this.texture){const t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}destroy(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}function vo(e,t,i,s,r,o=!1){if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}let n=i;return i===e.RED&&(s===e.FLOAT&&(n=e.R32F),s===e.HALF_FLOAT&&(n=e.R16F),s===e.UNSIGNED_BYTE&&(n=e.R8)),i===e.RG&&(s===e.FLOAT&&(n=e.RG32F),s===e.HALF_FLOAT&&(n=e.RG16F),s===e.UNSIGNED_BYTE&&(n=e.RG8)),i===e.RGBA&&(s===e.FLOAT&&(n=e.RGBA32F),s===e.HALF_FLOAT&&(n=e.RGBA16F),s===e.UNSIGNED_BYTE&&(n=3001===r&&!1===o?e.SRGB8_ALPHA8:e.RGBA8),s===e.UNSIGNED_SHORT_4_4_4_4&&(n=e.RGBA4),s===e.UNSIGNED_SHORT_5_5_5_1&&(n=e.RGB5_A1)),n!==e.R16F&&n!==e.R32F&&n!==e.RG16F&&n!==e.RG32F&&n!==e.RGBA16F&&n!==e.RGBA32F||Tt(e,"EXT_color_buffer_float"),n}function bo(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function yo(e){if(!Bo(e.width)||!Bo(e.height)){const t=document.createElement("canvas");t.width=wo(e.width),t.height=wo(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function Bo(e){return 0==(e&e-1)}function wo(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class Po extends R{get type(){return"Texture"}constructor(e,t={}){super(e,t),this._state=new kt({texture:new _o({gl:this.scene.canvas.gl}),matrix:d.identityMat4(),hasMatrix:t.translate&&(0!==t.translate[0]||0!==t.translate[1])||!!t.rotate||t.scale&&(0!==t.scale[0]||0!==t.scale[1]),minFilter:this._checkMinFilter(t.minFilter),magFilter:this._checkMagFilter(t.magFilter),wrapS:this._checkWrapS(t.wrapS),wrapT:this._checkWrapT(t.wrapT),flipY:this._checkFlipY(t.flipY),encoding:this._checkEncoding(t.encoding)}),this._src=null,this._image=null,this._translate=d.vec2([0,0]),this._scale=d.vec2([1,1]),this._rotate=d.vec2([0,0]),this._matrixDirty=!1,this.translate=t.translate,this.scale=t.scale,this.rotate=t.rotate,t.src?this.src=t.src:t.image&&(this.image=t.image),m.memory.textures++}_checkMinFilter(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}_checkMagFilter(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}_checkWrapS(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkWrapT(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this._state.texture=new _o({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}_update(){const e=this._state;if(this._matrixDirty){let t,i;0===this._translate[0]&&0===this._translate[1]||(t=d.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(i=d.scalingMat4v([this._scale[0],this._scale[1],1]),t=t?d.mulMat4(t,i):i),0!==this._rotate&&(i=d.rotationMat4v(.0174532925*this._rotate,[0,0,1]),t=t?d.mulMat4(t,i):i),t&&(e.matrix=t),this._matrixDirty=!1}this.glRedraw()}set image(e){this._image=yo(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}get image(){return this._image}set src(e){this.scene.loading++,this.scene.canvas.spinner.processes++;const t=this;let i=new Image;i.onload=function(){i=yo(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}get src(){return this._src}set translate(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}get translate(){return this._translate}set scale(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}get scale(){return this._scale}set rotate(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}get rotate(){return this._rotate}get minFilter(){return this._state.minFilter}get magFilter(){return this._state.magFilter}get wrapS(){return this._state.wrapS}get wrapT(){return this._state.wrapT}get flipY(){return this._state.flipY}get encoding(){return this._state.encoding}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),m.memory.textures--}}class xo extends R{get type(){return"Fresnel"}constructor(e,t={}){super(e,t),this._state=new kt({edgeColor:d.vec3([0,0,0]),centerColor:d.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),this.edgeColor=t.edgeColor,this.centerColor=t.centerColor,this.edgeBias=t.edgeBias,this.centerBias=t.centerBias,this.power=t.power}set edgeColor(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}get edgeColor(){return this._state.edgeColor}set centerColor(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}get centerColor(){return this._state.centerColor}set edgeBias(e){this._state.edgeBias=e||0,this.glRedraw()}get edgeBias(){return this._state.edgeBias}set centerBias(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}get centerBias(){return this._state.centerBias}set power(e){this._state.power=null!=e?e:1,this.glRedraw()}get power(){return this._state.power}destroy(){super.destroy(),this._state.destroy()}}const Co=m.memory,Mo=d.AABB3();class Eo extends Ai{get type(){return"VBOGeometry"}get isVBOGeometry(){return!0}constructor(e,t={}){super(e,t),this._state=new kt({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),this._numTriangles=0,this._edgeThreshold=t.edgeThreshold||10,this._aabb=null,this._obb=d.OBB3();const i=this._state,s=this.scene.canvas.gl;switch(t.primitive=t.primitive||"triangles",t.primitive){case"points":i.primitive=s.POINTS,i.primitiveName=t.primitive;break;case"lines":i.primitive=s.LINES,i.primitiveName=t.primitive;break;case"line-loop":i.primitive=s.LINE_LOOP,i.primitiveName=t.primitive;break;case"line-strip":i.primitive=s.LINE_STRIP,i.primitiveName=t.primitive;break;case"triangles":i.primitive=s.TRIANGLES,i.primitiveName=t.primitive;break;case"triangle-strip":i.primitive=s.TRIANGLE_STRIP,i.primitiveName=t.primitive;break;case"triangle-fan":i.primitive=s.TRIANGLE_FAN,i.primitiveName=t.primitive;break;default:this.error("Unsupported value for 'primitive': '"+t.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),i.primitive=s.TRIANGLES,i.primitiveName=t.primitive}if(t.positions)if(t.indices){var r;if(t.positionsDecodeMatrix);else{const e=mi.getPositionsBounds(t.positions),o=mi.compressPositions(t.positions,e.min,e.max);r=o.quantized,i.positionsDecodeMatrix=o.decodeMatrix,i.positionsBuf=new mt(s,s.ARRAY_BUFFER,r,r.length,3,s.STATIC_DRAW),Co.positions+=i.positionsBuf.numItems,d.positions3ToAABB3(t.positions,this._aabb),d.positions3ToAABB3(r,Mo,i.positionsDecodeMatrix),d.AABB3ToOBB3(Mo,this._obb)}if(t.colors){const e=t.colors.constructor===Float32Array?t.colors:new Float32Array(t.colors);i.colorsBuf=new mt(s,s.ARRAY_BUFFER,e,e.length,4,s.STATIC_DRAW),Co.colors+=i.colorsBuf.numItems}if(t.uv){const e=mi.getUVBounds(t.uv),r=mi.compressUVs(t.uv,e.min,e.max),o=r.quantized;i.uvDecodeMatrix=r.decodeMatrix,i.uvBuf=new mt(s,s.ARRAY_BUFFER,o,o.length,2,s.STATIC_DRAW),Co.uvs+=i.uvBuf.numItems}if(t.normals){const e=mi.compressNormals(t.normals);let r=i.compressGeometry;i.normalsBuf=new mt(s,s.ARRAY_BUFFER,e,e.length,3,s.STATIC_DRAW,r),Co.normals+=i.normalsBuf.numItems}{const e=t.indices.constructor===Uint32Array||t.indices.constructor===Uint16Array?t.indices:new Uint32Array(t.indices);i.indicesBuf=new mt(s,s.ELEMENT_ARRAY_BUFFER,e,e.length,1,s.STATIC_DRAW),Co.indices+=i.indicesBuf.numItems;const o=hi(r,e,i.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new mt(s,s.ELEMENT_ARRAY_BUFFER,o,o.length,1,s.STATIC_DRAW),"triangles"===this._state.primitiveName&&(this._numTriangles=t.indices.length/3)}this._buildHash(),Co.meshes++}else this.error("Config expected: indices");else this.error("Config expected: positions")}_buildHash(){const e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}_getEdgeIndices(){return this._edgeIndicesBuf}get primitive(){return this._state.primitiveName}get aabb(){return this._aabb}get obb(){return this._obb}get numTriangles(){return this._numTriangles}_getState(){return this._state}destroy(){super.destroy();const e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),Co.meshes--}}var Fo={};function Io(e,t={}){return new Promise((function(i,s){t.src||(console.error("load3DSGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),r.processes--,s());var o=Fo.parse.from3DS(e).edit.objects[0].mesh,n=o.vertices,a=o.uvt,l=o.indices;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),r.processes--,s()}))}))}function Do(e,t={}){return new Promise((function(i,s){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),s());var r=e.canvas.spinner;r.processes++,y.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),r.processes--,s());for(var o=Fo.parse.fromOBJ(e),n=Fo.edit.unwrap(o.i_verts,o.c_verts,3),a=Fo.edit.unwrap(o.i_norms,o.c_norms,3),l=Fo.edit.unwrap(o.i_uvt,o.c_uvt,2),A=new Int32Array(o.i_verts.length),h=0;h<o.i_verts.length;h++)A[h]=h;r.processes--,i(y.apply(t,{primitive:"triangles",positions:n,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:A}))}),(function(e){console.error("loadOBJGeometry: "+e),r.processes--,s()}))}))}function So(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);let s=e.zSize||1;s<0&&(console.error("negative zSize not allowed - will invert"),s*=-1);const r=e.center,o=r?r[0]:0,n=r?r[1]:0,a=r?r[2]:0,l=-t+o,A=-i+n,h=-s+a,c=t+o,u=i+n,d=s+a;return y.apply(e,{primitive:"lines",positions:[l,A,h,l,A,d,l,u,h,l,u,d,c,A,h,c,A,d,c,u,h,c,u,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function To(e={}){return So({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function Ro(e={}){let t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);let i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1),t=t||10,i=i||10;const s=t/i,r=t/2,o=[],n=[];let a=0;for(let e=0,t=-r;e<=i;e++,t+=s)o.push(-r),o.push(0),o.push(t),o.push(r),o.push(0),o.push(t),o.push(t),o.push(0),o.push(-r),o.push(t),o.push(0),o.push(r),n.push(a++),n.push(a++),n.push(a++),n.push(a++);return y.apply(e,{primitive:"lines",positions:o,indices:n})}function Lo(e={}){let t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);let i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);let s=e.xSegments||1;s<0&&(console.error("negative xSegments not allowed - will invert"),s*=-1),s<1&&(s=1);let r=e.xSegments||1;r<0&&(console.error("negative zSegments not allowed - will invert"),r*=-1),r<1&&(r=1);const o=e.center,n=o?o[0]:0,a=o?o[1]:0,l=o?o[2]:0,A=t/2,h=i/2,c=Math.floor(s)||1,u=Math.floor(r)||1,d=c+1,p=u+1,f=t/c,g=i/u,m=new Float32Array(d*p*3),_=new Float32Array(d*p*3),v=new Float32Array(d*p*2);let b,B,w,P,x,C,M,E=0,F=0;for(b=0;b<p;b++){const e=b*g-h;for(B=0;B<d;B++)w=B*f-A,m[E]=w+n,m[E+1]=a,m[E+2]=-e+l,_[E+2]=-1,v[F]=B/c,v[F+1]=(u-b)/u,E+=3,F+=2}E=0;const I=new(m.length/3>65535?Uint32Array:Uint16Array)(c*u*6);for(b=0;b<u;b++)for(B=0;B<c;B++)P=B+d*b,x=B+d*(b+1),C=B+1+d*(b+1),M=B+1+d*b,I[E]=M,I[E+1]=x,I[E+2]=P,I[E+3]=M,I[E+4]=C,I[E+5]=x,E+=6;return y.apply(e,{positions:m,normals:_,uv:v,indices:I})}function Uo(e={}){let t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;let i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);let s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<4&&(s=4);let r=e.tubeSegments||24;r<0&&(console.error("negative tubeSegments not allowed - will invert"),r*=-1),r<4&&(r=4);let o=e.arc||2*Math.PI;o<0&&(console.warn("negative arc not allowed - will invert"),o*=-1),o>360&&(o=360);const n=e.center;let a=n?n[0]:0,l=n?n[1]:0;const A=n?n[2]:0,h=[],c=[],u=[],p=[];let f,g,m,_,v,b,B,w,P,x,C,M;for(w=0;w<=r;w++)for(B=0;B<=s;B++)f=B/s*o,g=.785398+w/r*Math.PI*2,a=t*Math.cos(f),l=t*Math.sin(f),m=(t+i*Math.cos(g))*Math.cos(f),_=(t+i*Math.cos(g))*Math.sin(f),v=i*Math.sin(g),h.push(m+a),h.push(_+l),h.push(v+A),u.push(1-B/s),u.push(w/r),b=d.normalizeVec3(d.subVec3([m,_,v],[a,l,A],[]),[]),c.push(b[0]),c.push(b[1]),c.push(b[2]);for(w=1;w<=r;w++)for(B=1;B<=s;B++)P=(s+1)*w+B-1,x=(s+1)*(w-1)+B-1,C=(s+1)*(w-1)+B,M=(s+1)*w+B,p.push(P),p.push(x),p.push(C),p.push(C),p.push(M),p.push(P);return y.apply(e,{positions:h,normals:c,uv:u,indices:p})}function Oo(e={}){if(e.points.length%3!=0)throw"Size of points array for given polyline should be divisible by 3";let t=e.points.length/3;if(t<2)throw"There should be at least 2 points to create a polyline";let i=[];for(let e=0;e<t-1;e++)i.push(e),i.push(e+1);return y.apply(e,{primitive:"lines",positions:e.points,indices:i})}function ko(e={}){let t=e.curve.getPoints(e.divisions).map((e=>[...e])).flat();return Oo({id:e.id,points:t})}function No(e={}){if(3!==e.startPoint.length)throw"Start point should contain 3 elements in array: x, y and z";if(3!==e.endPoint.length)throw"End point should contain 3 elements in array: x, y and z";let t=[],i=[],s=e.startPoint[0],r=e.startPoint[1],o=e.startPoint[2],n=e.endPoint[0],a=e.endPoint[1],l=e.endPoint[2],A=Math.sqrt((n-s)**2+(a-r)**2+(l-o)**2),h=[(n-s)/A,(a-r)/A,(l-o)/A];if(e.pattern){let c=e.pattern.length,u=!1,d=0,p=0,f=0,g=[s,r,o],m=e.pattern[p];for(i.push(g[0],g[1],g[2]);m<=A-d;){let s=[h[0]*m,h[1]*m,h[2]*m],r=[g[0]+s[0],g[1]+s[1],g[2]+s[2]];i.push(r[0],r[1],r[2]),u||(t.push(f),t.push(f+1)),u=!u,f+=1,g=r,p+=1,p>=c&&(p=0),d+=m,m=e.pattern[p]}e.extendToEnd&&(i.push(n,a,l),t.push(t.length-2),t.push(t.length-1))}else t.push(0),t.push(1),i.push(s,r,o,n,a,l);return y.apply(e,{primitive:"lines",positions:i,indices:t})}Fo.load=function(e,t){var i=new 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i.id=Fo.bin.ril(e,0),i.verS=Fo.bin.ril(e,4),i.texS=Fo.bin.ril(e,8),i.indS=Fo.bin.ril(e,12),i.verO=Fo.bin.ril(e,16),i.verL=Fo.bin.ril(e,20),i.texO=Fo.bin.ril(e,24),i.texL=Fo.bin.ril(e,28),i.indO=Fo.bin.ril(e,32),i.indL=Fo.bin.ril(e,36),0!=i.verO&&(t.vertices=Fo.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=Fo.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=Fo.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},Fo.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var s=32;t<=65535&&(s=16);var r=40;e.vertices&&(r+=4*e.vertices.length),e.uvt&&(r+=4*e.uvt.length),e.indices&&(r+=e.indices.length*s/8);var o=new Uint8Array(r);Fo.bin.wil(o,0,1769365870),Fo.bin.wil(o,4,32),Fo.bin.wil(o,8,32),Fo.bin.wil(o,12,s);var n=40;return e.vertices&&(Fo.bin.wil(o,16,n),Fo.bin.wil(o,20,4*e.vertices.length),Fo.parse.fromBIV._writeFloats(o,n,e.vertices),n+=4*e.vertices.length),e.uvt&&(Fo.bin.wil(o,24,n),Fo.bin.wil(o,28,4*e.uvt.length),Fo.parse.fromBIV._writeFloats(o,n,e.uvt),n+=4*e.uvt.length),e.indices&&(Fo.bin.wil(o,32,n),Fo.bin.wil(o,36,4*e.indices.length),Fo.parse.fromBIV._writeInts(o,n,e.indices,s)),o.buffer},Fo.parse.fromBIV._readFloats=function(e,t,i){for(var s=[],r=0;r<i/4;r++)s.push(Fo.bin.rf(e,t+4*r));return s},Fo.parse.fromBIV._writeFloats=function(e,t,i){for(var s=0;s<i.length;s++)Fo.bin.wf(e,t+4*s,i[s])},Fo.parse.fromBIV._readInts=function(e,t,i,s){for(var r=[],o=0;o<i/4;o++)16==s&&r.push(Fo.bin.rsl(e,t+2*o)),32==s&&r.push(Fo.bin.ril(e,t+4*o));return r},Fo.parse.fromBIV._writeInts=function(e,t,i,s){for(var r=0;r<i.length;r++)16==s&&Fo.bin.wsl(e,t+2*r,i[r]),32==s&&Fo.bin.wil(e,t+4*r,i[r])},Fo.gen={},Fo.gen.Plane=function(e,t,i,s){i||(i=1),s||(s=1);for(var r={verts:[],inds:[],uvt:[]},o=e+1,n=t+1,a=0;a<n;a++)for(var l=0;l<o;l++){var A=l*(2/e)-1,h=a*(2/t)-1;r.verts.push(A,h,0),r.uvt.push(i*l/e,s*a/t),a<t&&l<e&&r.inds.push(a*o+l,a*o+l+1,(a+1)*o+l,a*o+l+1,(a+1)*o+l,(a+1)*o+l+1)}return r},Fo.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Fo.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},s=e+1,r=t+1,o=0;o<r;o++)for(var n=0;n<s;n++){var a=-Math.PI/2+o*Math.PI/t,l=2*n*Math.PI/e,A=Math.cos(a)*Math.cos(l),h=Math.sin(a),c=Math.cos(a)*Math.sin(l);i.verts.push(A,h,c),i.uvt.push(n/e,o/t),o<t&&n<e&&i.inds.push(s*o+n,s*o+n+1,s*(o+1)+n,s*o+n+1,s*(o+1)+n,s*(o+1)+n+1)}return i},Fo.mat={},Fo.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Fo.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Fo.mat.rotateDeg=function(e,t,i){var s=Math.PI/180;return Fo.mat.rotate(e*s,t*s,i*s)},Fo.mat.rotate=function(e,t,i){var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],r=e,o=t,n=i,a=Math.cos(r),l=Math.cos(o),A=Math.cos(n),h=Math.sin(r),c=Math.sin(o),u=Math.sin(n);return s[0]=l*A,s[1]=-l*u,s[2]=c,s[4]=a*u+h*c*A,s[5]=a*A-h*c*u,s[6]=-h*l,s[8]=h*u-a*c*A,s[9]=h*A+a*c*u,s[10]=a*l,s},Fo.edit={},Fo.edit.interpolate=function(e,t,i,s){for(var r=0;r<e.length;r++)i[r]=e[r]+s*(t[r]-e[r])},Fo.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var s=e[i],r=e[i+1],o=e[i+2];e[i+0]=t[0]*s+t[4]*r+t[8]*o+t[12],e[i+1]=t[1]*s+t[5]*r+t[9]*o+t[13],e[i+2]=t[2]*s+t[6]*r+t[10]*o+t[14]}},Fo.edit.unwrap=function(e,t,i){for(var s=new Array(Math.floor(e.length/3)*i),r=0;r<e.length;r++)for(var o=0;o<i;o++)s[r*i+o]=t[e[r]*i+o];return s},Fo.edit.remap=function(e,t,i,s){for(var r=new Array(i.length),o=0;o<e.length;o++)for(var n=0;n<s;n++)r[t[o]*s+n]=i[e[o]*s+n];return r},Fo.utils={},Fo.utils.getAABB=function(e){var t,i,s,r,o,n;r=o=n=-(t=i=s=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],A=e[a+1],h=e[a+2];l<t&&(t=l),l>r&&(r=l),A<i&&(i=A),A>o&&(o=A),h<s&&(s=h),A>n&&(n=h)}return{min:{x:t,y:i,z:s},max:{x:r,y:o,z:n}}};class Qo extends R{constructor(e,t={}){super(e,t),this._type=t.type||(t.src?t.src.split(".").pop():null)||"jpg",this._pos=d.vec3(t.pos||[0,0,0]),this._up=d.vec3(t.up||[0,1,0]),this._normal=d.vec3(t.normal||[0,0,1]),this._height=t.height||1,this._origin=d.vec3(),this._rtcPos=d.vec3(),this._imageSize=d.vec2(),this._texture=new Po(this,{flipY:!0}),this._image=new Image,"jpg"!==this._type&&"png"!==this._type&&(this.error('Unsupported type - defaulting to "jpg"'),this._type="jpg"),this._node=new ao(this,{matrix:d.inverseMat4(d.lookAtMat4v(this._pos,d.subVec3(this._pos,this._normal,d.mat4()),this._up,d.mat4())),children:[this._bitmapMesh=new Gr(this,{scale:[1,1,1],rotation:[-90,0,0],collidable:t.collidable,pickable:t.pickable,opacity:t.opacity,clippable:t.clippable,geometry:new bi(this,Lo({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new xi(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0})})]}),t.image?this.image=t.image:t.src?this.src=t.src:t.imageData&&(this.imageData=t.imageData),this.scene._bitmapCreated(this)}set visible(e){this._bitmapMesh.visible=e}get visible(){return this._bitmapMesh.visible}set image(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}get image(){return this._image}set src(e){if(e){this._image.onload=()=>{this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale()},this._image.src=e;switch(e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}}get src(){return this._image.src}set imageData(e){this._image.onload=()=>{this._texture.image=image,this._imageSize[0]=image.width,this._imageSize[1]=image.height,this._updateBitmapMeshScale()},this._image.src=e}get imageData(){const e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")}set type(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}get type(){return this._type}get pos(){return this._pos}get normal(){return this._normal}get up(){return this._up}set height(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}get height(){return this._height}set collidable(e){this._bitmapMesh.collidable=!1!==e}get collidable(){return this._bitmapMesh.collidable}set clippable(e){this._bitmapMesh.clippable=!1!==e}get clippable(){return this._bitmapMesh.clippable}set pickable(e){this._bitmapMesh.pickable=!1!==e}get pickable(){return this._bitmapMesh.pickable}set opacity(e){this._bitmapMesh.opacity=e}get opacity(){return this._bitmapMesh.opacity}destroy(){super.destroy(),this.scene._bitmapDestroyed(this)}_updateBitmapMeshScale(){const e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}const Vo=(e,t)=>{const i=[];let s=[];function r(e,i){let s,r;for(let o=0;o<3;o++)if(s=t[3*e+o],r=t[3*i+o],s!==r)return r-s;return 0}let o=e.slice().sort(r),n=null;for(let e=0,t=o.length;e<t;e++)0!==e&&0===r(o[e],o[e-1])||(n=o[e]),i[o[e]]=n;for(let t=0,r=e.length;t<r;t+=3){const r=i[e[t]],o=i[e[t+1]],n=i[e[t+2]];let a=r,l=o,A=n;if(r>o&&r>n?o>n?(a=r,l=o,A=n):(a=r,l=n,A=o):o>r&&o>n?r>n?(a=o,l=r,A=n):(a=o,l=n,A=r):n>r&&n>o&&(r>o?(a=n,l=r,A=o):(a=n,l=o,A=r)),s[t+0]=[a,l],s[t+1]=[l,A],a>A){const e=A;A=a,a=e}s[t+2]=[A,a]}function a(e,t){let i,s;for(let r=0;r<2;r++)if(i=e[r],s=t[r],s!==i)return s-i;return 0}s=s.slice(0,e.length),s.sort(a);let l=0;for(let e=0;e<s.length;e++)if(0===e||0!==a(s[e],s[e-1])){if(0!==e&&2!==l)return!1;l=1}else l++;return!(s.length>0&&2!==l)},Ho=d.vec3(),jo=d.vec3(),Go=d.vec3();class zo{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}setPrimitive(e){this.primitive=e}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get volume(){const e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!Vo(t,e))return-1;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Ho[0]=e[r],Ho[1]=e[r+1],Ho[2]=e[r+2],jo[0]=e[o],jo[1]=e[o+1],jo[2]=e[o+2],Go[0]=e[n],Go[1]=e[n+1],Go[2]=e[n+2],d.cross3Vec3(Ho,jo,Ho),i+=d.dotVec3(Ho,Go)}return i/6}}const Ko=new zo,Wo=d.vec3(),Xo=d.vec3(),Jo=d.vec3(),Yo=d.vec3(),Zo=d.vec3(),qo=d.vec3();class $o{constructor(){this.vertices=[],this.indices=[],this.reset()}reset(){this.lenVertices=0,this.lenIndices=0}addVertex(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}addIndex(e){this.indices[this.lenIndices++]=e}get surfaceArea(){const e=this.vertices,t=this.indices;let i=0;for(let s=0;s<this.lenIndices;s+=3){const r=3*t[s],o=3*t[s+1],n=3*t[s+2];Wo[0]=e[r],Wo[1]=e[r+1],Wo[2]=e[r+2],Xo[0]=e[o],Xo[1]=e[o+1],Xo[2]=e[o+2],Jo[0]=e[n],Jo[1]=e[n+1],Jo[2]=e[n+2],d.subVec3(Wo,Xo,Yo),d.subVec3(Jo,Xo,Zo),i+=.5*d.lenVec3(d.cross3Vec3(Yo,Zo,qo))}return i}}const en=new $o,tn=d.OBB3(),sn=d.OBB3(),rn=d.OBB3();class on{constructor(e,t,i,s,r,o,n=null,a=0){this.model=e,this.object=null,this.parent=null,this.transform=r,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=t,this.obb=null,this._aabbLocal=null,this._aabbWorld=d.AABB3(),this._aabbWorldDirty=!1,this.layer=n,this.portionId=a,this._color=new Uint8Array([i[0],i[1],i[2],s]),this._colorize=new Uint8Array([i[0],i[1],i[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,r&&r._addMesh(this),this._volume=null,this._surfaceArea=null}_sceneModelDirty(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}_transformDirty(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}_updateMatrix(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}_finalize(e){this.layer.initFlags(this.portionId,e,this._transparent)}_finalize2(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}_setVisible(e){this.layer.setVisible(this.portionId,e,this._transparent)}_setColor(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}_setColorize(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}_setOpacity(e,t){const i=e<255,s=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),s&&this.layer.setTransparent(this.portionId,t,i)}_setOffset(e){this.layer.setOffset(this.portionId,e)}_setHighlighted(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}_setXRayed(e){this.layer.setXRayed(this.portionId,e,this._transparent)}_setSelected(e){this.layer.setSelected(this.portionId,e,this._transparent)}_setEdges(e){this.layer.setEdges(this.portionId,e,this._transparent)}_setClippable(e){this.layer.setClippable(this.portionId,e,this._transparent)}_setCollidable(e){this.layer.setCollidable(this.portionId,e)}_setPickable(e){this.layer.setPickable(this.portionId,e,this._transparent)}_setCulled(e){this.layer.setCulled(this.portionId,e,this._transparent)}canPickTriangle(){return!1}drawPickTriangles(e,t){}pickTriangleSurface(e){}precisionRayPickSurface(e,t,i,s){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,s)}canPickWorldPos(){return!0}drawPickDepths(e){this.model.drawPickDepths(e)}drawPickNormals(e){this.model.drawPickNormals(e)}delegatePickedEntity(){return this.parent}getEachVertex(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}getEachIndex(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}get volume(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Ko.reset(),Ko.setPrimitive(this.layer.primitive),this.getEachVertex((e=>{Ko.addVertex(e)})),this.getEachIndex((e=>{Ko.addIndex(e)})),this._volume=Ko.volume;break;default:this._volume=0}return this._volume}get surfaceArea(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":en.reset(),this.getEachVertex((e=>{en.addVertex(e)})),this.getEachIndex((e=>{en.addIndex(e)})),this._surfaceArea=en.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}set aabb(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);const t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}get aabb(){return this._aabbWorldDirty&&(d.AABB3ToOBB3(this._aabbLocal,tn),this.transform?(d.transformOBB3(this.transform.worldMatrix,tn,sn),d.transformOBB3(this.model.worldMatrix,sn,rn),d.OBB3ToAABB3(rn,this._aabbWorld)):(d.transformOBB3(this.model.worldMatrix,tn,sn),d.OBB3ToAABB3(sn,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld}_destroy(){this.model.scene._renderer.putPickID(this.pickId)}}const nn=new class{constructor(){this._uint8Arrays={},this._float32Arrays={}}_clear(){this._uint8Arrays={},this._float32Arrays={}}getUInt8Array(e){let t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}getFloat32Array(e){let t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}};let an=0;const ln={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},An=new Float32Array([1,1,1,1]),hn=new Float32Array([0,0,0,1]),cn=d.vec4(),un=d.vec3(),dn=d.vec3(),pn=d.mat4();class fn{constructor(e,t=!1,{instancing:i=!1,edges:s=!1,useAlphaCutoff:r=!1}={}){this._scene=e,this._withSAO=t,this._instancing=i,this._edges=s,this._useAlphaCutoff=r,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}_getHash(){return this._scene._sectionPlanesState.getHash()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){return[""]}_buildFragmentShader(){return[""]}_addMatricesUniformBlockLines(e,t=!1){return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}_addRemapClipPosLines(e,t=1){return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push(`    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(${t}));`),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}getValid(){return this._hash===this._getHash()}setSectionPlanesStateUniforms(e){const t=this._scene,{gl:i}=t.canvas,{model:s,layerIndex:r}=e,o=t._sectionPlanesState.getNumAllocatedSectionPlanes(),n=t._sectionPlanesState.sectionPlanes.length;if(o>0){const a=t._sectionPlanesState.sectionPlanes,l=r*n,A=s.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(let t=0;t<o;t++){const r=this._uSectionPlanes[t];if(r)if(t<n){const o=A.sectionPlanesActivePerLayer[l+t];if(i.uniform1i(r.active,o?1:0),o){const o=a[t],n=e._state.origin;if(n){const e=se(o.dist,o.dir,n,un,s.matrix);i.uniform3fv(r.pos,e)}else i.uniform3fv(r.pos,o.pos);i.uniform3fv(r.dir,o.dir)}}else i.uniform1i(r.active,0)}}}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uColor=s.getLocation("color"),this._uColor||(this._uColor=s.getLocation("silhouetteColor")),this._uUVDecodeMatrix=s.getLocation("uvDecodeMatrix"),this._uPickInvisible=s.getLocation("pickInvisible"),this._uGammaFactor=s.getLocation("gammaFactor"),t.uniformBlockBinding(s.handle,t.getUniformBlockIndex(s.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=s.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=s.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=s.getLocation("zFar")),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._aPosition=s.getAttribute("position"),this._aOffset=s.getAttribute("offset"),this._aNormal=s.getAttribute("normal"),this._aUV=s.getAttribute("uv"),this._aColor=s.getAttribute("color"),this._aMetallicRoughness=s.getAttribute("metallicRoughness"),this._aFlags=s.getAttribute("flags"),this._aPickColor=s.getAttribute("pickColor"),this._uPickZNear=s.getLocation("pickZNear"),this._uPickZFar=s.getLocation("pickZFar"),this._uPickClipPos=s.getLocation("pickClipPos"),this._uDrawingBufferSize=s.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=s.getAttribute("modelMatrix"),this._aModelMatrixCol0=s.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=s.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=s.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=s.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=s.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=s.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=s.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=s.getLocation("intensityRange")),this._uPointSize=s.getLocation("pointSize"),this._uNearPlaneHeight=s.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState,o=r.lights;s.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,r.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(let e=0,t=o.length;e<t;e++){const t=o[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}}_makeVAO(e){const t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges&&e.edgeIndicesBuf?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}drawLayer(e,t,i,{colorUniform:s=!1,incrementDrawState:r=!1}={}){const o=at.MAX_TEXTURE_IMAGE_UNITS,n=this._scene,a=n.canvas.gl,{_state:l,model:A}=t,{textureSet:h,origin:c,positionsDecodeMatrix:u}=l,p=n._lightsState,f=n.pointsMaterial,{camera:g}=A.scene,{viewNormalMatrix:m,project:_}=g,v=e.pickViewMatrix||g.viewMatrix,{position:b,rotationMatrix:y,worldNormalMatrix:B}=A;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?a.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(l));let w=0;const P=16;this._matricesUniformBlockBufferData.set(y,0);const x=0!==c[0]||0!==c[1]||0!==c[2],C=0!==b[0]||0!==b[1]||0!==b[2];if(x||C){const e=un;if(x){const t=d.transformPoint3(y,c,dn);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=b[0],e[1]+=b[1],e[2]+=b[2],this._matricesUniformBlockBufferData.set($(v,e,pn),w+=P)}else this._matricesUniformBlockBufferData.set(v,w+=P);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||_.matrix,w+=P),this._matricesUniformBlockBufferData.set(u,w+=P),this._matricesUniformBlockBufferData.set(B,w+=P),this._matricesUniformBlockBufferData.set(m,w+=P),a.bindBuffer(a.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),a.bufferData(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,a.DYNAMIC_DRAW),a.bindBufferBase(a.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),a.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),n.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);a.uniform1f(this._uLogDepthBufFC,t)}this._uZFar&&a.uniform1f(this._uZFar,n.camera.project.far)}if(this._uPickInvisible&&a.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&a.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&a.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&a.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&a.uniform2f(this._uDrawingBufferSize,a.drawingBufferWidth,a.drawingBufferHeight),this._uUVDecodeMatrix&&a.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._uIntensityRange&&f.filterIntensity&&a.uniform2f(this._uIntensityRange,f.minIntensity,f.maxIntensity),this._uPointSize&&a.uniform1f(this._uPointSize,f.pointSize),this._uNearPlaneHeight){const e="ortho"===n.camera.projection?1:a.drawingBufferHeight/(2*Math.tan(.5*n.camera.perspective.fov*Math.PI/180));a.uniform1f(this._uNearPlaneHeight,e)}if(h){const{colorTexture:t,metallicRoughnessTexture:i,emissiveTexture:s,normalsTexture:r,occlusionTexture:n}=h;this._uColorMap&&t&&(this._program.bindTexture(this._uColorMap,t.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uMetallicRoughMap&&i&&(this._program.bindTexture(this._uMetallicRoughMap,i.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uEmissiveMap&&s&&(this._program.bindTexture(this._uEmissiveMap,s.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uNormalMap&&r&&(this._program.bindTexture(this._uNormalMap,r.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o),this._uAOMap&&n&&(this._program.bindTexture(this._uAOMap,n.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o)}if(p.reflectionMaps.length>0&&p.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,p.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),p.lightMaps.length>0&&p.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,p.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++),this._withSAO){const t=n.sao;if(t.possible){const i=a.drawingBufferWidth,s=a.drawingBufferHeight;cn[0]=i,cn[1]=s,cn[2]=t.blendCutoff,cn[3]=t.blendFactor,a.uniform4fv(this._uSAOParams,cn),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%o,e.bindTexture++}}if(this._useAlphaCutoff&&a.uniform1f(this._alphaCutoffLocation,h.alphaCutoff),s){const e=this._edges?"edgeColor":"fillColor",t=this._edges?"edgeAlpha":"fillAlpha";if(i===ln[(this._edges?"EDGES":"SILHOUETTE")+"_XRAYED"]){const i=n.xrayMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===ln[(this._edges?"EDGES":"SILHOUETTE")+"_HIGHLIGHTED"]){const i=n.highlightMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else if(i===ln[(this._edges?"EDGES":"SILHOUETTE")+"_SELECTED"]){const i=n.selectedMaterial._state,s=i[e],r=i[t];a.uniform4f(this._uColor,s[0],s[1],s[2],r)}else a.uniform4fv(this._uColor,this._edges?hn:An)}this._draw({state:l,frameCtx:e,incrementDrawState:r}),a.bindVertexArray(null)}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null,m.memory.programs--}}class gn extends fn{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!1,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;if(this._edges)i.edgeIndicesBuf&&t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{const e=s.pickElementsCount||i.indicesBuf.numItems,o=s.pickElementsOffset?s.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,e,i.indicesBuf.itemType,o),r&&s.drawElements++}}}class mn extends gn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// Triangles batching draw vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}}class _n extends gn{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._lightsState,i=e._sectionPlanesState,s=i.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching flat-shading draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),s){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("uniform bool sectionPlaneActive"+e+";"),r.push("uniform vec3 sectionPlanePos"+e+";"),r.push("uniform vec3 sectionPlaneDir"+e+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(r),r.push("uniform vec4 lightAmbient;");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];"ambient"!==i.type&&(r.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&r.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&r.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(r.push("uniform vec3 lightPos"+e+";"),r.push("uniform vec3 lightDir"+e+";")))}if(r.push("in vec4 vViewPosition;"),r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),s){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)r.push("if (sectionPlaneActive"+e+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}r.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),r.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),r.push("float lambertian = 1.0;"),r.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),r.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),r.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,i=t.lights.length;e<i;e++){const i=t.lights[e];if("ambient"!==i.type){if("dir"===i.type)"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?r.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):r.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?r.push("viewLightDir = normalize(lightDir"+e+");"):r.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}r.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),r.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return r.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):r.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}class vn extends gn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching silhouette fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r){for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),r){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)o.push("if (sectionPlaneActive"+e+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = newColor;"),o.push("}"),o}}class bn extends gn{constructor(e){super(e,!1,{instancing:!1,edges:!0})}}class yn extends bn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Bn extends bn{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry edges drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class wn extends gn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Pn extends gn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class xn extends gn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class Cn extends gn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Mn extends gn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching depth fragment shader"),s.push("precision highp float;"),s.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec2 vHighPrecisionZW;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),s.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),s.push("}"),s}}class En extends gn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Fn extends gn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}class In extends gn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Triangles batching quality draw vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),o.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),o.push("vFragDepth = 1.0 + clipPos.w;")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Triangles batching quality draw fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),n.push("uniform sampler2D uAOMap;"),n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),n.push("              return surf_norm;"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3  diffuseColor;"),n.push("   float specularRoughness;"),n.push("   vec3  specularColor;"),n.push("   float shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction =  normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction =  normalize(lightDir"+e+");"):n.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("float aoFactor = texture(uAOMap, vUV).r;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Dn extends gn{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching pick flat normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class Sn extends gn{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching color texture fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Tn=d.vec3(),Rn=d.vec3(),Ln=d.vec3(),Un=d.vec3(),On=d.mat4();class kn extends fn{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Tn;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Rn;if(l){const e=Ln;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,On),g=Un,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Nn=d.vec3(),Qn=d.vec3(),Vn=d.vec3(),Hn=d.vec3(),jn=d.mat4();class Gn extends fn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Nn;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Qn;if(l){const e=Vn;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,jn),g=Hn,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),n.drawElements(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class zn{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new vn(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new wn(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Pn(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new kn(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Gn(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new mn(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new mn(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new _n(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new _n(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Sn(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Sn(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Sn(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Sn(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new In(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new In(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new vn(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Mn(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new En(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new yn(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Bn(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new wn(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new xn(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Dn(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Pn(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Cn(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Fn(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Gn(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new kn(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Kn={};let Wn=65536,Xn=5e6;class Jn{constructor(){}set doublePrecisionEnabled(e){d.setDoublePrecisionEnabled(e)}get doublePrecisionEnabled(){return d.getDoublePrecisionEnabled()}set maxDataTextureHeight(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Wn=e}get maxDataTextureHeight(){return Wn}set maxGeometryBatchSize(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Xn=e}get maxGeometryBatchSize(){return Xn}}const Yn=new Jn;class Zn{constructor(e=Yn.maxGeometryBatchSize){this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]}}const qn=d.mat4(),$n=d.mat4();function ea(e,t,i){const s=e.length,r=new Uint16Array(s),o=t[0],n=t[1],a=t[2],l=t[3]-o,A=t[4]-n,h=t[5]-a,c=65525,u=c/l,p=c/A,f=c/h,g=e=>e>=0?e:0;for(let t=0;t<s;t+=3)r[t+0]=Math.floor(g(e[t+0]-o)*u),r[t+1]=Math.floor(g(e[t+1]-n)*p),r[t+2]=Math.floor(g(e[t+2]-a)*f);return d.identityMat4(qn),d.translationMat4v(t,qn),d.identityMat4($n),d.scalingMat4v([l/c,A/c,h/c],$n),d.mulMat4(qn,$n,i),r}function ta(e,t){const i=e[0],s=e[1],r=e[2],o=e[3]-i,n=e[4]-s,a=e[5]-r,l=65525;return d.identityMat4(qn),d.translationMat4v(e,qn),d.identityMat4($n),d.scalingMat4v([o/l,n/l,a/l],$n),d.mulMat4(qn,$n,t),t}function ia(e,t,i){let s=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),r=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){let e=s,t=r;e=(1-Math.abs(r))*(s>=0?1:-1),t=(1-Math.abs(s))*(r>=0?1:-1),s=e,r=t}return new Int8Array([Math[t](127.5*s+(s<0?-1:0)),Math[i](127.5*r+(r<0?-1:0))])}function sa(e){let t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;const s=1-Math.abs(t)-Math.abs(i);s<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));const r=Math.sqrt(t*t+i*i+s*s);return[t/r,i/r,s/r]}const ra=d.mat4(),oa=d.mat4(),na=d.vec4([0,0,0,1]),aa=d.vec3(),la=d.vec3(),Aa=d.vec3(),ha=d.vec3(),ca=d.vec3(),ua=d.vec3(),da=d.vec3();class pa{constructor(e){this.model=e.model,this.sortId="TrianglesBatchingLayer"+(e.solid?"-solid":"-surface")+(e.autoNormals?"-autonormals":"-normals")+(e.textureSet&&e.textureSet.colorTexture?"-colorTexture":"")+(e.textureSet&&e.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Kn[t];return i||(i=new zn(e),Kn[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Kn[t],i._destroy()}))),i}(e.model.scene),this._buffer=new Zn(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new kt({origin:d.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:e.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=d.mat4(e.positionsDecodeMatrix)),e.uvDecodeMatrix?(this._state.uvDecodeMatrix=d.mat3(e.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,e.origin&&this._state.origin.set(e.origin),this.solid=!!e.solid,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.normals,o=t.normalsCompressed,n=t.uv,a=t.uvCompressed,l=t.colors,A=t.colorsCompressed,h=t.indices,c=t.edgeIndices,u=t.color,p=t.metallic,f=t.roughness,g=t.opacity,m=t.meshMatrix,_=t.pickColor,v=this.model.scene,b=this._buffer,y=b.positions.length/3;let B;if(d.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";B=s.length/3;for(let e=0,t=s.length;e<t;e++)b.positions.push(s[e])}else{if(!i)throw"positions expected";B=i.length/3;for(let e=0,t=i.length;e<t;e++)b.positions.push(i[e])}if(o&&o.length>0)for(let e=0,t=o.length;e<t;e++)b.normals.push(o[e]);else if(r&&r.length>0){const e=ra;m?d.inverseMat4(d.transposeMat4(m,oa),e):d.identityMat4(e,e),function(e,t,i,s,r){function o(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}let n,a,l,A,h,c,u=new Float32Array([0,0,0,0]),p=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)u[0]=t[c],u[1]=t[c+1],u[2]=t[c+2],d.transformVec3(e,u,p),d.normalizeVec3(p,p),l=n=ia(p,"floor","floor"),a=sa(n),A=h=o(p,a),n=ia(p,"ceil","floor"),a=sa(n),A=o(p,a),A>h&&(l=n,h=A),n=ia(p,"floor","ceil"),a=sa(n),A=o(p,a),A>h&&(l=n,h=A),n=ia(p,"ceil","ceil"),a=sa(n),A=o(p,a),A>h&&(l=n,h=A),s[r+c+0]=l[0],s[r+c+1]=l[1],s[r+c+2]=0}(e,r,r.length,b.normals,b.normals.length)}if(l)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(255*l[e]),b.colors.push(255*l[e+1]),b.colors.push(255*l[e+2]),b.colors.push(255);else if(A)for(let e=0,t=l.length;e<t;e+=3)b.colors.push(l[e]),b.colors.push(l[e+1]),b.colors.push(l[e+2]),b.colors.push(255);else if(u){const e=u[0],t=u[1],i=u[2],s=g;for(let r=0;r<B;r++)b.colors.push(e),b.colors.push(t),b.colors.push(i),b.colors.push(s)}const w=null!=p?p:0,P=null!=f?f:255;for(let e=0;e<B;e++)b.metallicRoughness.push(w),b.metallicRoughness.push(P);if(n&&n.length>0)for(let e=0,t=n.length;e<t;e++)b.uv.push(n[e]);else if(a&&a.length>0)for(let e=0,t=a.length;e<t;e++)b.uv.push(a[e]);for(let e=0,t=h.length;e<t;e++)b.indices.push(y+h[e]);if(c)for(let e=0,t=c.length;e<t;e++)b.edgeIndices.push(y+c[e]);{const e=b.pickColors.length;for(let t=e,i=e+4*B;t<i;t+=4)b.pickColors.push(_[0]),b.pickColors.push(_[1]),b.pickColors.push(_[2]),b.pickColors.push(_[3])}if(v.entityOffsetsEnabled)for(let e=0;e<B;e++)b.offsets.push(0),b.offsets.push(0),b.offsets.push(0);const x=this._portions.length,C={vertsBaseIndex:y,numVerts:B,indicesBaseIndex:b.indices.length-h.length,numIndices:h.length};return v.readableGeometryEnabled&&(C.indices=h,v.entityOffsetsEnabled&&(C.offset=new Float32Array(3))),this._portions.push(C),this._numPortions++,this.model.numPortions++,this._numVerts+=C.numVerts,this._meshes.push(e),x}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){const s=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):ea(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=d.mat4());if(e.positionsBuf=new mt(t,t.ARRAY_BUFFER,s,s.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(let e=0,t=this._portions.length;e<t;e++){const t=this._portions[e],i=3*t.vertsBaseIndex,r=i+3*t.numVerts;t.quantizedPositions=s.slice(i,r)}}if(i.normals.length>0){const s=new Int8Array(i.normals);let r=!0;e.normalsBuf=new mt(t,t.ARRAY_BUFFER,s,i.normals.length,3,t.STATIC_DRAW,r)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new mt(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.uv.length>0)if(e.uvDecodeMatrix){let s=!1;e.uvBuf=new mt(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,s)}else{const s=mi.getUVBounds(i.uv),r=mi.compressUVs(i.uv,s.min,s.max),o=r.quantized;let n=!1;e.uvDecodeMatrix=d.mat3(r.decodeMatrix),e.uvBuf=new mt(t,t.ARRAY_BUFFER,o,o.length,2,t.STATIC_DRAW,n)}if(i.metallicRoughness.length>0){const s=new Uint8Array(i.metallicRoughness);let r=!1;e.metallicRoughnessBuf=new mt(t,t.ARRAY_BUFFER,s,i.metallicRoughness.length,2,t.STATIC_DRAW,r)}if(i.positions.length>0){const s=i.positions.length/3,r=new Float32Array(s),o=!1;e.flagsBuf=new mt(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(i.pickColors.length>0){const s=new Uint8Array(i.pickColors);let r=!1;e.pickColorsBuf=new mt(t,t.ARRAY_BUFFER,s,i.pickColors.length,4,t.STATIC_DRAW,r)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new mt(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new mt(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){const s=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new mt(t,t.ELEMENT_ARRAY_BUFFER,s,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}isEmpty(){return!this._state.indicesBuf}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=e,s=this._portions[i],r=4*s.vertsBaseIndex,o=4*s.numVerts,n=this._scratchMemory.getUInt8Array(o),a=t[0],l=t[1],A=t[2],h=t[3];for(let e=0;e<o;e+=4)n[e+0]=a,n[e+1]=l,n[e+2]=A,n[e+3]=h;this._state.colorsBuf&&this._state.colorsBuf.setData(n,r,o)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=e,o=this._portions[r],n=o.vertsBaseIndex,a=o.numVerts,l=!!(t&re),A=!!(t&Ae),h=!!(t&he),c=!!(t&ce),u=!!(t&ue),d=!!(t&ne),p=!!(t&oe);let f,g;f=!l||p||A||h&&!this.model.scene.highlightMaterial.glowThrough||c&&!this.model.scene.selectedMaterial.glowThrough?ln.NOT_RENDERED:i?ln.COLOR_TRANSPARENT:ln.COLOR_OPAQUE,g=!l||p?ln.NOT_RENDERED:c?ln.SILHOUETTE_SELECTED:h?ln.SILHOUETTE_HIGHLIGHTED:A?ln.SILHOUETTE_XRAYED:ln.NOT_RENDERED;let m=0;m=!l||p?ln.NOT_RENDERED:c?ln.EDGES_SELECTED:h?ln.EDGES_HIGHLIGHTED:A?ln.EDGES_XRAYED:u?i?ln.EDGES_COLOR_TRANSPARENT:ln.EDGES_COLOR_OPAQUE:ln.NOT_RENDERED;let _=l&&!p&&d?ln.PICK:ln.NOT_RENDERED;const v=t&ae?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=n,t=n+a;e<t;e++){let t=0;t|=f,t|=g<<4,t|=m<<8,t|=_<<12,t|=v<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(a);for(let t=0;t<a;t++){let i=0;i|=f,i|=g<<4,i|=m<<8,i|=_<<12,i|=v<<16,e[t]=i}this._state.flagsBuf.setData(e,n,a)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=e,s=this._portions[i],r=3*s.vertsBaseIndex,o=3*s.numVerts,n=this._scratchMemory.getFloat32Array(o),a=t[0],l=t[1],A=t[2];for(let e=0;e<o;e+=3)n[e+0]=a,n[e+1]=l,n[e+2]=A;this._state.offsetsBuf&&this._state.offsetsBuf.setData(n,r,o),this.model.scene.readableGeometryEnabled&&(s.offset[0]=t[0],s.offset[1]=t[1],s.offset[2]=t[2])}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portions[e];if(!s)return void this.model.error("portion not found: "+e);const r=s.quantizedPositions,o=this.model.matrix,n=d.vec4();n.set(i.origin,0),n[3]=1,d.mulMat4v4(o,n,n);const a=n[0],l=n[1],A=n[2],h=na,c=i.positionsDecodeMatrix;for(let e=0,i=r.length;e<i;e+=3)h[0]=r[e],h[1]=r[e+1],h[2]=r[e+2],h[3]=1,d.decompressPosition(h,c),h[3]=1,d.mulMat4v4(o,h,h),h[0]+=a,h[1]+=l,h[2]+=A,t(h)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portions[e];if(!i)return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}getElementsCountAndOffset(e){let t=null,i=null;const s=this._portions[e];return s&&(t=s.numIndices,i=s.indicesBaseIndex),{count:t,offset:i}}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ln.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ln.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ln.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT)}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ln.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ln.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ln.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ln.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,ln.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ln.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ln.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state,n=this._portions[e];if(!n)return this.model.error("portion not found: "+e),!1;const a=n.quantizedPositions,l=n.indices,A=o.origin,h=n.offset,c=aa,u=la;c.set(A?d.subVec3(t,A,Aa):t),u.set(i),h&&d.subVec3(c,h),d.transformRay(this.model.worldNormalMatrix,c,u,c,u);const p=ha,f=ca,g=ua;let m=!1,_=0;const v=da;for(let e=0,i=l.length;e<i;e+=3){const i=3*l[e],n=3*l[e+1],b=3*l[e+2];if(p[0]=a[i],p[1]=a[i+1],p[2]=a[i+2],f[0]=a[n],f[1]=a[n+1],f[2]=a[n+2],g[0]=a[b],g[1]=a[b+1],g[2]=a[b+2],d.decompressPosition(p,o.positionsDecodeMatrix),d.decompressPosition(f,o.positionsDecodeMatrix),d.decompressPosition(g,o.positionsDecodeMatrix),d.rayTriangleIntersect(c,u,p,f,g,v)){d.transformPoint3(this.model.worldMatrix,v,v),h&&d.addVec3(v,h),A&&d.addVec3(v,A);const e=Math.abs(d.lenVec3(d.subVec3(v,t,[])));(!m||e>_)&&(_=e,s.set(v),r&&d.triangleNormal(p,f,g,r),m=!0)}}return m&&r&&(d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),m}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}class fa extends fn{constructor(e,t,{edges:i=!1,useAlphaCutoff:s=!1}={}){super(e,t,{instancing:!0,edges:i,useAlphaCutoff:s})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;this._edges?i.edgeIndicesBuf&&t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++)}}class ga extends fa{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r,o,n;const a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),e.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),e.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),r=0,o=i.lights.length;r<o;r++)n=i.lights[r],"ambient"!==n.type&&(a.push("uniform vec4 lightColor"+r+";"),"dir"===n.type&&a.push("uniform vec3 lightDir"+r+";"),"point"===n.type&&a.push("uniform vec3 lightPos"+r+";"),"spot"===n.type&&(a.push("uniform vec3 lightPos"+r+";"),a.push("uniform vec3 lightDir"+r+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),s&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),r=0,o=i.lights.length;r<o;r++)if(n=i.lights[r],"ambient"!==n.type){if("dir"===n.type)"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);");else if("point"===n.type)"view"===n.space?a.push("viewLightDir = -normalize(lightPos"+r+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+r+", 0.0)).xyz);");else{if("spot"!==n.type)continue;"view"===n.space?a.push("viewLightDir = normalize(lightDir"+r+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+r+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+r+".rgb * lightColor"+r+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):s.push("    outColor           = newColor;"),s.push("}"),s}}class ma extends fa{_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState;let s,r;const o=t.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry flat-shading drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),o){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];"ambient"!==e.type&&(n.push("uniform vec4 lightColor"+s+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+s+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+s+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+s+";"),n.push("uniform vec3 lightDir"+s+";")))}if(n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),o){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}for(n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),s=0,r=i.lights.length;s<r;s++){const e=i.lights[s];if("ambient"!==e.type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+s+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+s+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+s+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+s+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+s+".rgb * lightColor"+s+".a);")}}return n.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):n.push("    outColor           = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class _a extends fa{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing fill fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = newColor;"),s.push("}"),s}}class va extends fa{constructor(e,t){super(e,t,{instancing:!0,edges:!0})}}class ba extends va{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesEmphasisRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class ya extends va{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!1})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// EdgesColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class Ba extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class wa extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Pa extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vWorldNormal;"),s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push(`    outNormal = ivec4(vWorldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class xa extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}class Ca extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry depth drawing fragment shader"),o.push("precision highp float;"),o.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec2 vHighPrecisionZW;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),o.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),o.push("}"),o}}class Ma extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}class Ea extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const Fa={3e3:"linearToLinear",3001:"sRGBToLinear"};class Ia extends fa{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0,r=t.clippingCaps,o=[];return o.push("#version 300 es"),o.push("// Instancing geometry quality drawing vertex shader"),o.push("uniform int renderPass;"),o.push("in vec3 position;"),o.push("in vec3 normal;"),o.push("in vec4 color;"),o.push("in vec2 uv;"),o.push("in vec2 metallicRoughness;"),o.push("in float flags;"),e.entityOffsetsEnabled&&o.push("in vec3 offset;"),o.push("in vec4 modelMatrixCol0;"),o.push("in vec4 modelMatrixCol1;"),o.push("in vec4 modelMatrixCol2;"),o.push("in vec4 modelNormalMatrixCol0;"),o.push("in vec4 modelNormalMatrixCol1;"),o.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(o,!0),o.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;")),o.push("vec3 octDecode(vec2 oct) {"),o.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),o.push("    if (v.z < 0.0) {"),o.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),o.push("    }"),o.push("    return normalize(v);"),o.push("}"),o.push("out vec4 vViewPosition;"),o.push("out vec3 vViewNormal;"),o.push("out vec4 vColor;"),o.push("out vec2 vUV;"),o.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&o.push("out vec3 vWorldNormal;"),s&&(o.push("out vec4 vWorldPosition;"),o.push("out float vFlags;"),r&&o.push("out vec4 vClipPosition;")),o.push("void main(void) {"),o.push("int colorFlag = int(flags) & 0xF;"),o.push("if (colorFlag != renderPass) {"),o.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),o.push("} else {"),o.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),o.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&o.push("      worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix * worldPosition; "),o.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),o.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),o.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags = flags;"),r&&o.push("vClipPosition = clipPos;")),o.push("vViewPosition = viewPosition;"),o.push("vViewNormal = viewNormal;"),o.push("vColor = color;"),o.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),o.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&o.push("vWorldNormal = worldNormal.xyz;"),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,s=e._lightsState,r=i.getNumAllocatedSectionPlanes()>0,o=i.clippingCaps,n=[];n.push("#version 300 es"),n.push("// Instancing geometry quality drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),n.push("uniform sampler2D uMetallicRoughMap;"),n.push("uniform sampler2D uEmissiveMap;"),n.push("uniform sampler2D uNormalMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),s.reflectionMaps.length>0&&n.push("uniform samplerCube reflectionMap;"),s.lightMaps.length>0&&n.push("uniform samplerCube lightMap;"),n.push("uniform vec4 lightAmbient;");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),o&&n.push("in vec4 vClipPosition;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";")}if(n.push("in vec4 vViewPosition;"),n.push("in vec3 vViewNormal;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("in vec2 vMetallicRoughness;"),s.lightMaps.length>0&&n.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(n,!0),n.push("#define PI 3.14159265359"),n.push("#define RECIPROCAL_PI 0.31830988618"),n.push("#define RECIPROCAL_PI2 0.15915494"),n.push("#define EPSILON 1e-6"),n.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),n.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),n.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),n.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),n.push("              return normalize(surf_norm );"),n.push("       }"),n.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),n.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),n.push("      vec2 st0 = dFdx( uv.st );"),n.push("      vec2 st1 = dFdy( uv.st );"),n.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),n.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),n.push("      vec3 N = normalize( surf_norm );"),n.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),n.push("      mat3 tsn = mat3( S, T, N );"),n.push("      return normalize( tsn * mapN );"),n.push("}"),n.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),n.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),n.push("}"),n.push("struct IncidentLight {"),n.push("   vec3 color;"),n.push("   vec3 direction;"),n.push("};"),n.push("struct ReflectedLight {"),n.push("   vec3 diffuse;"),n.push("   vec3 specular;"),n.push("};"),n.push("struct Geometry {"),n.push("   vec3 position;"),n.push("   vec3 viewNormal;"),n.push("   vec3 worldNormal;"),n.push("   vec3 viewEyeDir;"),n.push("};"),n.push("struct Material {"),n.push("   vec3    diffuseColor;"),n.push("   float   specularRoughness;"),n.push("   vec3    specularColor;"),n.push("   float   shine;"),n.push("};"),n.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),n.push("   float r = ggxRoughness + 0.0001;"),n.push("   return (2.0 / (r * r) - 2.0);"),n.push("}"),n.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),n.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),n.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),n.push("}"),s.reflectionMaps.length>0&&(n.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),n.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),n.push("   vec3 envMapColor = "+Fa[s.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),n.push("  return envMapColor;"),n.push("}")),n.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),n.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),n.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),n.push("}"),n.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   return 1.0 / ( gl * gv );"),n.push("}"),n.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),n.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),n.push("   return 0.5 / max( gv + gl, EPSILON );"),n.push("}"),n.push("float D_GGX(const in float alpha, const in float dotNH) {"),n.push("   float a2 = ( alpha * alpha );"),n.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),n.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float alpha = ( roughness * roughness );"),n.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),n.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),n.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),n.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),n.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),n.push("   vec3  F = F_Schlick( specularColor, dotLH );"),n.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),n.push("   float D = D_GGX( alpha, dotNH );"),n.push("   return F * (G * D);"),n.push("}"),n.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),n.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),n.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),n.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),n.push("   vec4 r = roughness * c0 + c1;"),n.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),n.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),n.push("   return specularColor * AB.x + AB.y;"),n.push("}"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&(n.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),s.lightMaps.length>0&&(n.push("   vec3 irradiance = "+Fa[s.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),n.push("   irradiance *= PI;"),n.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),s.reflectionMaps.length>0&&(n.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),n.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),n.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),n.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),n.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),n.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),n.push("}")),n.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),n.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),n.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),n.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=i.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");o?(n.push("  if (dist > (0.002 * vClipPosition.w)) {"),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&n.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("  return;"),n.push("}")):(n.push("  if (dist > 0.0) { "),n.push("      discard;"),n.push("  }")),n.push("}")}n.push("IncidentLight  light;"),n.push("Material       material;"),n.push("Geometry       geometry;"),n.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),n.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),n.push("float opacity = float(vColor.a) / 255.0;"),n.push("vec3  baseColor = rgb;"),n.push("float specularF0 = 1.0;"),n.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),n.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),n.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),n.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),n.push("baseColor *= colorTexel.rgb;"),n.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),n.push("metallic *= metalRoughTexel.b;"),n.push("roughness *= metalRoughTexel.g;"),n.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),n.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),n.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),n.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),n.push("geometry.position      = vViewPosition.xyz;"),n.push("geometry.viewNormal    = -normalize(viewNormal);"),n.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),s.lightMaps.length>0&&n.push("geometry.worldNormal   = normalize(vWorldNormal);"),(s.lightMaps.length>0||s.reflectionMaps.length>0)&&n.push("computePBRLightMapping(geometry, material, reflectedLight);");for(let e=0,t=s.lights.length;e<t;e++){const t=s.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("light.direction = normalize(lightPos"+e+" - vViewPosition.xyz);"):n.push("light.direction = normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("light.direction = normalize(lightDir"+e+");"):n.push("light.direction = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("light.color =  lightColor"+e+".rgb * lightColor"+e+".a;"),n.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return n.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),n.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),n.push("vec4 fragColor;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):n.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&n.push("fragColor = linearToGamma(fragColor, gammaFactor);"),n.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}class Da extends fa{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Batched geometry normals fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("in vec4 vWorldPosition;"),i){s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out highp ivec4 outNormal;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("if (sectionPlaneActive"+r+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),s.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),s.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),s.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),s.push("}"),s}}class Sa extends fa{_getHash(){const e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e.gammaOutput,i=e._lightsState,s=e._sectionPlanesState,r=s.getNumAllocatedSectionPlanes()>0,o=this._useAlphaCutoff,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),e.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),n.push("uniform sampler2D uColorMap;"),this._withSAO&&(n.push("uniform sampler2D uOcclusionTexture;"),n.push("uniform vec4      uSAOParams;"),n.push("const float       packUpscale = 256. / 255.;"),n.push("const float       unpackDownScale = 255. / 256.;"),n.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),n.push("float unpackRGBToFloat( const in vec4 v ) {"),n.push("    return dot( v, unPackFactors );"),n.push("}")),n.push("uniform float gammaFactor;"),n.push("vec4 linearToLinear( in vec4 value ) {"),n.push("  return value;"),n.push("}"),n.push("vec4 sRGBToLinear( in vec4 value ) {"),n.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),n.push("}"),n.push("vec4 gammaToLinear( in vec4 value) {"),n.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),n.push("}"),t&&(n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}")),r){n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(n),n.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];"ambient"!==t.type&&(n.push("uniform vec4 lightColor"+e+";"),"dir"===t.type&&n.push("uniform vec3 lightDir"+e+";"),"point"===t.type&&n.push("uniform vec3 lightPos"+e+";"),"spot"===t.type&&(n.push("uniform vec3 lightPos"+e+";"),n.push("uniform vec3 lightDir"+e+";")))}if(o&&n.push("uniform float materialAlphaCutoff;"),n.push("in vec4 vViewPosition;"),n.push("in vec4 vColor;"),n.push("in vec2 vUV;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),r){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(let e=0,t=s.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;"),n.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),n.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),n.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(let e=0,t=i.lights.length;e<t;e++){const t=i.lights[e];if("ambient"!==t.type){if("dir"===t.type)"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===t.type)"view"===t.space?n.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==t.type)continue;"view"===t.space?n.push("viewLightDir = normalize(lightDir"+e+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return n.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),n.push("vec4 sampleColor = texture(uColorMap, vUV);"),o&&(n.push("if (sampleColor.a < materialAlphaCutoff) {"),n.push("   discard;"),n.push("}")),t&&n.push("sampleColor = sRGBToLinear(sampleColor);"),n.push("vec4 colorTexel = color * sampleColor;"),n.push("float opacity = color.a;"),this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):n.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&n.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}const Ta=d.vec3(),Ra=d.vec3(),La=d.vec3(),Ua=d.vec3(),Oa=d.mat4();class ka extends fn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Ta;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Ra;if(l){const e=d.transformPoint3(h,l,La);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Oa),g=Ua,g[0]=n.eye[0]-t[0],g[1]=n.eye[1]-t[1],g[2]=n.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,g),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Na=d.vec3(),Qa=d.vec3(),Va=d.vec3(),Ha=d.vec3(),ja=d.mat4();class Ga extends fn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Na;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Qa;if(l){const e=d.transformPoint3(h,l,Va);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,ja),g=Ha,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class za{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new _a(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Ba(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new wa(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new ka(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ga(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ga(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new ga(this._scene,!0)),this._colorRendererWithSAO}get flatColorRenderer(){return this._flatColorRenderer||(this._flatColorRenderer=new ma(this._scene,!1)),this._flatColorRenderer}get flatColorRendererWithSAO(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new ma(this._scene,!0)),this._flatColorRendererWithSAO}get colorTextureRenderer(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Sa(this._scene,!1)),this._colorTextureRenderer}get colorTextureRendererWithSAO(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Sa(this._scene,!0)),this._colorTextureRendererWithSAO}get colorTextureRendererAlphaCutoff(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Sa(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}get colorTextureRendererWithSAOAlphaCutoff(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Sa(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}get pbrRenderer(){return this._pbrRenderer||(this._pbrRenderer=new Ia(this._scene,!1)),this._pbrRenderer}get pbrRendererWithSAO(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Ia(this._scene,!0)),this._pbrRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new _a(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new Ca(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new Ma(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new ba(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new ya(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Ba(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new Pa(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Da(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new wa(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new xa(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new Ea(this._scene)),this._shadowRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ga(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new ka(this._scene)),this._snapInitRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Ka={};const Wa=new Uint8Array(4),Xa=new Float32Array(1),Ja=d.vec4([0,0,0,1]),Ya=new Float32Array(3),Za=d.vec3(),qa=d.vec3(),$a=d.vec3(),el=d.vec3(),tl=d.vec3(),il=d.vec3(),sl=d.vec3(),rl=new Float32Array(4);class ol{constructor(e){this.model=e.model,this.sortId="TrianglesInstancingLayer"+(e.solid?"-solid":"-surface")+(e.normals?"-normals":"-autoNormals"),this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Ka[t];return i||(i=new za(e),Ka[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete Ka[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new kt({numInstances:0,obb:d.OBB3(),origin:d.vec3(),geometry:e.geometry,textureSet:e.textureSet,pbrSupported:!1,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&this._state.origin.set(e.origin),this._finalized=!1,this.solid=!!e.solid,this.numIndices=e.geometry.numIndices,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.metallic,r=t.roughness,o=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,n=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";const l=i[0],A=i[1],h=i[2];if(this._colors.push(l),this._colors.push(A),this._colors.push(h),this._colors.push(o),this._metallicRoughness.push(null!=s?s:0),this._metallicRoughness.push(null!=r?r:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(n[0]),this._modelMatrixCol0.push(n[4]),this._modelMatrixCol0.push(n[8]),this._modelMatrixCol0.push(n[12]),this._modelMatrixCol1.push(n[1]),this._modelMatrixCol1.push(n[5]),this._modelMatrixCol1.push(n[9]),this._modelMatrixCol1.push(n[13]),this._modelMatrixCol2.push(n[2]),this._modelMatrixCol2.push(n[6]),this._modelMatrixCol2.push(n[10]),this._modelMatrixCol2.push(n[14]),this._state.geometry.normals){let e=d.transposeMat4(n,d.mat4()),t=d.inverseMat4(e);this._modelNormalMatrixCol0.push(t[0]),this._modelNormalMatrixCol0.push(t[4]),this._modelNormalMatrixCol0.push(t[8]),this._modelNormalMatrixCol0.push(t[12]),this._modelNormalMatrixCol1.push(t[1]),this._modelNormalMatrixCol1.push(t[5]),this._modelNormalMatrixCol1.push(t[9]),this._modelNormalMatrixCol1.push(t[13]),this._modelNormalMatrixCol2.push(t[2]),this._modelNormalMatrixCol2.push(t[6]),this._modelNormalMatrixCol2.push(t[10]),this._modelNormalMatrixCol2.push(t[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;const c=this._portions.length,u={};return this.model.scene.readableGeometryEnabled&&(u.matrix=n.slice(),u.inverseMatrix=null,u.normalMatrix=null),this._portions.push(u),this._numPortions++,this.model.numPortions++,this._meshes.push(e),c}finalize(){if(this._finalized)return;const e=this._state,t=e.geometry,i=e.textureSet,s=this.model.scene.canvas.gl,r=this._colors.length,o=r/4;if(r>0){let t=!1;e.colorsBuf=new mt(s,s.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,s.DYNAMIC_DRAW,t),this._colors=[]}if(this._metallicRoughness.length>0){const t=new Uint8Array(this._metallicRoughness);let i=!1;e.metallicRoughnessBuf=new mt(s,s.ARRAY_BUFFER,t,this._metallicRoughness.length,2,s.STATIC_DRAW,i)}if(o>0){let t=!1;e.flagsBuf=new mt(s,s.ARRAY_BUFFER,new Float32Array(o),o,1,s.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;e.offsetsBuf=new mt(s,s.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,s.DYNAMIC_DRAW,t),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){const i=!1;e.positionsBuf=new mt(s,s.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,s.STATIC_DRAW,i),e.positionsDecodeMatrix=d.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){const i=new Uint8Array(t.colorsCompressed),r=!1;e.colorsBuf=new mt(s,s.ARRAY_BUFFER,i,i.length,4,s.STATIC_DRAW,r)}if(t.uvCompressed&&t.uvCompressed.length>0){const i=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new mt(s,s.ARRAY_BUFFER,i,i.length,2,s.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new mt(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,s.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new mt(s,s.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,s.STATIC_DRAW)),this._modelMatrixCol0.length>0){const t=!1;e.modelMatrixCol0Buf=new mt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelMatrixCol1Buf=new mt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelMatrixCol2Buf=new mt(s,s.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new mt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol1Buf=new mt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,s.STATIC_DRAW,t),e.modelNormalMatrixCol2Buf=new mt(s,s.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,s.STATIC_DRAW,t),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){const t=!1;e.pickColorsBuf=new mt(s,s.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,s.STATIC_DRAW,t),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Wa[0]=t[0],Wa[1]=t[1],Wa[2]=t[2],Wa[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Wa,4*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&re),r=!!(t&Ae),o=!!(t&he),n=!!(t&ce),a=!!(t&ue),l=!!(t&ne),A=!!(t&oe);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?ln.NOT_RENDERED:i?ln.COLOR_TRANSPARENT:ln.COLOR_OPAQUE,c=!s||A?ln.NOT_RENDERED:n?ln.SILHOUETTE_SELECTED:o?ln.SILHOUETTE_HIGHLIGHTED:r?ln.SILHOUETTE_XRAYED:ln.NOT_RENDERED;let u=0;u=!s||A?ln.NOT_RENDERED:n?ln.EDGES_SELECTED:o?ln.EDGES_HIGHLIGHTED:r?ln.EDGES_XRAYED:a?i?ln.EDGES_COLOR_TRANSPARENT:ln.EDGES_COLOR_OPAQUE:ln.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?ln.PICK:ln.NOT_RENDERED)<<12,d|=(t&ae?1:0)<<16,Xa[0]=d,this._state.flagsBuf&&this._state.flagsBuf.setData(Xa,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Ya[0]=t[0],Ya[1]=t[1],Ya[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Ya,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state,s=i.geometry,r=this._portions[e];if(!r)return void this.model.error("portion not found: "+e);const o=s.positionsCompressed,n=this.model.matrix,a=d.vec4();a.set(i.origin,0),a[3]=1,d.mulMat4v4(n,a,a);const l=a[0],A=a[1],h=a[2],c=Ja,u=r.matrix,p=i.positionsDecodeMatrix;for(let e=0,i=o.length;e<i;e+=3)c[0]=o[e],c[1]=o[e+1],c[2]=o[e+2],d.decompressPosition(c,p),d.transformPoint3(u,c,c),c[3]=1,d.mulMat4v4(n,c,c),c[0]+=l,c[1]+=A,c[2]+=h,t(c)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;const i=this._state.geometry;if(!this._portions[e])return void this.model.error("portion not found: "+e);const s=i.indices;for(let e=0,i=s.length;e<i;e++)t(s[e])}setMatrix(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;rl[0]=t[0],rl[1]=t[4],rl[2]=t[8],rl[3]=t[12],this._state.modelMatrixCol0Buf.setData(rl,i),rl[0]=t[1],rl[1]=t[5],rl[2]=t[9],rl[3]=t[13],this._state.modelMatrixCol1Buf.setData(rl,i),rl[0]=t[2],rl[1]=t[6],rl[2]=t[10],rl[3]=t[14],this._state.modelMatrixCol2Buf.setData(rl,i)}drawColorOpaque(e,t){if(this._numCulledLayerPortions===this._numPortions||0===this._numVisibleLayerPortions||this._numTransparentLayerPortions===this._numPortions||this._numXRayedLayerPortions===this._numPortions)return;this._updateBackfaceCull(e,t);const i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ln.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ln.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}_updateBackfaceCull(e,t){const i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ln.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ln.EDGES_COLOR_TRANSPARENT)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_XRAYED)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_SELECTED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ln.PICK))}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ln.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,ln.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ln.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ln.PICK))}precisionRayPickSurface(e,t,i,s,r){if(!this.model.scene.readableGeometryEnabled)return!1;const o=this._state.geometry,n=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=d.inverseMat4(a.matrix,d.mat4())),r&&!a.normalMatrix&&(a.normalMatrix=d.transposeMat4(a.inverseMatrix,d.mat4()));const l=o.quantizedPositions,A=o.indices,h=n.origin,c=a.offset,u=Za,p=qa;u.set(h?d.subVec3(t,h,$a):t),p.set(i),c&&d.subVec3(u,c),d.transformRay(this.model.worldNormalMatrix,u,p,u,p),d.transformRay(a.inverseMatrix,u,p,u,p);const f=el,g=tl,m=il;let _=!1,v=0;const b=sl;for(let e=0,i=A.length;e<i;e+=3){const i=3*A[e+0],o=3*A[e+1],y=3*A[e+2];f[0]=l[i],f[1]=l[i+1],f[2]=l[i+2],g[0]=l[o],g[1]=l[o+1],g[2]=l[o+2],m[0]=l[y],m[1]=l[y+1],m[2]=l[y+2];const{positionsDecodeMatrix:B}=n.geometry;if(d.decompressPosition(f,B),d.decompressPosition(g,B),d.decompressPosition(m,B),d.rayTriangleIntersect(u,p,f,g,m,b)){d.transformPoint3(a.matrix,b,b),d.transformPoint3(this.model.worldMatrix,b,b),c&&d.addVec3(b,c),h&&d.addVec3(b,h);const e=Math.abs(d.lenVec3(d.subVec3(b,t,[])));(!_||e>v)&&(v=e,s.set(b),r&&d.triangleNormal(f,g,m,r),_=!0)}}return _&&r&&(d.transformVec3(a.normalMatrix,r,r),d.transformVec3(this.model.worldNormalMatrix,r,r),d.normalizeVec3(r)),_}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}class nl extends fn{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),r&&s.drawElements++}}class al extends nl{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class ll extends nl{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines batching silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const Al=d.vec3(),hl=d.vec3(),cl=d.vec3(),ul=d.vec3(),dl=d.mat4();class pl extends fn{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Al;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=hl;if(l){const e=cl;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,dl),g=ul,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const fl=d.vec3(),gl=d.vec3(),ml=d.vec3(),_l=d.vec3(),vl=d.mat4();class bl extends fn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=fl;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=gl;if(l){const e=ml;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,vl),g=_l,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElements(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class yl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new al(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ll(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new pl(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new bl(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Bl={};class wl{constructor(e=5e6){e>5e6&&(e=5e6),this.maxVerts=e,this.maxIndices=3*e,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]}}class Pl{constructor(e){this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Bl[t];return i||(i=new yl(e),Bl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Bl[t],i._destroy()}))),i}(e.model.scene),this.model=e.model,this._buffer=new wl(e.maxGeometryBatchSize),this._scratchMemory=e.scratchMemory,this._state=new kt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin)),this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=t.positions,s=t.positionsCompressed,r=t.indices,o=t.color,n=t.opacity,a=this._buffer,l=a.positions.length/3;let A;if(d.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";A=s.length/3;for(let e=0,t=s.length;e<t;e++)a.positions.push(s[e])}else{if(!i)throw"positions expected";A=i.length/3;for(let e=0,t=i.length;e<t;e++)a.positions.push(i[e])}if(o){const e=o[0],t=o[1],i=o[2],s=n;for(let r=0;r<A;r++)a.colors.push(e),a.colors.push(t),a.colors.push(i),a.colors.push(s)}if(r)for(let e=0,t=r.length;e<t;e++)a.indices.push(r[e]+l);if(this.model.scene.entityOffsetsEnabled)for(let e=0;e<A;e++)a.offsets.push(0),a.offsets.push(0),a.offsets.push(0);const h=this._portions.length/2;return this._portions.push(l),this._portions.push(A),this._numPortions++,this.model.numPortions++,this._numVerts+=A,this._meshes.push(e),h}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){const s=new Uint16Array(i.positions);e.positionsBuf=new mt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}else{const s=ea(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new mt(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){const s=new Uint8Array(i.colors);let r=!1;e.colorsBuf=new mt(t,t.ARRAY_BUFFER,s,i.colors.length,4,t.DYNAMIC_DRAW,r)}if(i.colors.length>0){const s=i.colors.length/4,r=new Float32Array(s);let o=!1;e.flagsBuf=new mt(t,t.ARRAY_BUFFER,r,r.length,1,t.DYNAMIC_DRAW,o)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){const s=new Float32Array(i.offsets);e.offsetsBuf=new mt(t,t.ARRAY_BUFFER,s,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){const s=new Uint32Array(i.indices);e.indicesBuf=new mt(t,t.ELEMENT_ARRAY_BUFFER,s,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}flushInitFlags(){this._setDeferredFlags()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2],A=t[3];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l,o[e+3]=A;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=2*e,o=this._portions[r],n=this._portions[r+1],a=!!(t&re),l=!!(t&Ae),A=!!(t&he),h=!!(t&ce),c=!!(t&ne),u=!!(t&oe);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?ln.NOT_RENDERED:i?ln.COLOR_TRANSPARENT:ln.COLOR_OPAQUE,p=!a||u?ln.NOT_RENDERED:h?ln.SILHOUETTE_SELECTED:A?ln.SILHOUETTE_HIGHLIGHTED:l?ln.SILHOUETTE_XRAYED:ln.NOT_RENDERED;let f=a&&!u&&c?ln.PICK:ln.NOT_RENDERED;const g=t&ae?1:0;if(s){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(let e=o,t=o+n;e<t;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,this._deferredFlagValues[e]=t}}else if(this._state.flagsBuf){const e=this._scratchMemory.getFloat32Array(n);for(let t=0;t<n;t++){let i=0;i|=d,i|=p<<4,i|=f<<12,i|=g<<16,e[t]=i}this._state.flagsBuf.setData(e,o,n)}}_setDeferredFlags(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e){}drawPickDepths(e){}drawPickNormals(e){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ln.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ln.PICK)}drawOcclusion(e){}drawShadow(e){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}class xl extends fn{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),r&&s.drawElements++}}class Cl extends xl{drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Lines instancing color fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):o.push("    outColor           = vColor;"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class Ml extends xl{drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Lines instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("uniform vec4 color;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = color;"),s.push("}"),s}}const El=d.vec3(),Fl=d.vec3(),Il=d.vec3();d.vec3();const Dl=d.mat4();class Sl extends fn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=El;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Fl;if(l){const e=d.transformPoint3(h,l,Il);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Dl),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Tl=d.vec3(),Rl=d.vec3(),Ll=d.vec3();d.vec3();const Ul=d.mat4();class Ol extends fn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Tl;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=Rl;if(l){const e=d.transformPoint3(h,l,Ll);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,Ul),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class kl{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}eagerCreateRenders(){this._snapInitRenderer||(this._snapInitRenderer=new Sl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ol(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Cl(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Ml(this._scene)),this._silhouetteRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Sl(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new Ol(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const Nl={};const Ql=new Uint8Array(4),Vl=new Float32Array(1),Hl=new Float32Array(3),jl=new Float32Array(4);class Gl{constructor(e){this.model=e.model,this.material=e.material,this.sortId="LinesInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=Nl[t];return i||(i=new kl(e),Nl[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete Nl[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new kt({obb:d.OBB3(),numInstances:0,origin:null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,e.origin&&(this._state.origin=d.vec3(e.origin)),this._finalized=!1,this.primitive=e.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.color,s=t.opacity,r=t.meshMatrix;if(this._finalized)throw"Already finalized";const o=i[0],n=i[1],a=i[2];i[3],this._colors.push(o),this._colors.push(n),this._colors.push(a),this._colors.push(s),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(r[0]),this._modelMatrixCol0.push(r[4]),this._modelMatrixCol0.push(r[8]),this._modelMatrixCol0.push(r[12]),this._modelMatrixCol1.push(r[1]),this._modelMatrixCol1.push(r[5]),this._modelMatrixCol1.push(r[9]),this._modelMatrixCol1.push(r[13]),this._modelMatrixCol2.push(r[2]),this._modelMatrixCol2.push(r[6]),this._modelMatrixCol2.push(r[10]),this._modelMatrixCol2.push(r[14]),this._state.numInstances++;const l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,s=this._colors.length,r=s/4;if(s>0){let t=!1;this._state.colorsBuf=new mt(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,t),this._colors=[]}if(r>0){let t=!1;this._state.flagsBuf=new mt(e,e.ARRAY_BUFFER,new Float32Array(r),r,1,e.DYNAMIC_DRAW,t)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;this._state.offsetsBuf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){const s=new Uint8Array(i.colorsCompressed),r=!1;t.colorsBuf=new mt(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,r)}if(i.positionsCompressed&&i.positionsCompressed.length>0){const s=!1;t.positionsBuf=new mt(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,s),t.positionsDecodeMatrix=d.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new mt(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){const t=!1;this._state.modelMatrixCol0Buf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol1Buf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),this._state.modelMatrixCol2Buf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";Ql[0]=t[0],Ql[1]=t[1],Ql[2]=t[2],Ql[3]=t[3],this._state.colorsBuf.setData(Ql,4*e,4)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&re),r=!!(t&Ae),o=!!(t&he),n=!!(t&ce),a=!!(t&ue),l=!!(t&ne),A=!!(t&oe);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?ln.NOT_RENDERED:i?ln.COLOR_TRANSPARENT:ln.COLOR_OPAQUE,c=!s||A?ln.NOT_RENDERED:n?ln.SILHOUETTE_SELECTED:o?ln.SILHOUETTE_HIGHLIGHTED:r?ln.SILHOUETTE_XRAYED:ln.NOT_RENDERED;let u=0;u=!s||A?ln.NOT_RENDERED:n?ln.EDGES_SELECTED:o?ln.EDGES_HIGHLIGHTED:r?ln.EDGES_XRAYED:a?i?ln.EDGES_COLOR_TRANSPARENT:ln.EDGES_COLOR_OPAQUE:ln.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?ln.PICK:ln.NOT_RENDERED)<<12,d|=(t&ae?1:0)<<16,Vl[0]=d,this._state.flagsBuf.setData(Vl,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Hl[0]=t[0],Hl[1]=t[1],Hl[2]=t[2],this._state.offsetsBuf.setData(Hl,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;jl[0]=t[0],jl[1]=t[4],jl[2]=t[8],jl[3]=t[12],this._state.modelMatrixCol0Buf.setData(jl,i),jl[0]=t[1],jl[1]=t[5],jl[2]=t[9],jl[3]=t[13],this._state.modelMatrixCol1Buf.setData(jl,i),jl[0]=t[2],jl[1]=t[6],jl[2]=t[10],jl[3]=t[14],this._state.modelMatrixCol2Buf.setData(jl,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesXRayed(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ln.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ln.PICK)}drawOcclusion(e,t){}drawShadow(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawPickNormals(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}class zl extends fn{_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),r&&s.drawArrays++}}class Kl extends zl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,s=[];return s.push("#version 300 es"),s.push("// Points batching color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class Wl extends zl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform vec4 color;"),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points batching silhouette vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("uniform vec4 color;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}return e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("outColor = color;"),o.push("}"),o}}class Xl extends zl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching pick mesh vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("uniform bool sectionPlaneActive"+r+";"),s.push("uniform vec3 sectionPlanePos"+r+";"),s.push("uniform vec3 sectionPlaneDir"+r+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vPickColor; "),s.push("}"),s}}class Jl extends zl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batched pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("gl_PointSize += 10.0;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batched pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(var r=0;r<t.getNumAllocatedSectionPlanes();r++)s.push("      if (sectionPlaneActive"+r+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class Yl extends zl{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points batching occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("  } else {"),s.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("      vWorldPosition = worldPosition;"),s.push("      vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("  gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("  }"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points batching occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("      float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("      if (sectionPlaneActive"+e+") {"),s.push("          dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("      }");s.push("      if (dist > 0.0) { discard; }"),s.push("  }")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),s.push("}"),s}}const Zl=d.vec3(),ql=d.vec3(),$l=d.vec3(),eA=d.vec3(),tA=d.mat4();class iA extends fn{drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=Zl;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=ql;if(l){const e=$l;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,tA),g=eA,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform1f(this._uPointSize,1);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const sA=d.vec3(),rA=d.vec3(),oA=d.vec3(),nA=d.vec3(),aA=d.mat4();class lA extends fn{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=sA;let f,g;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=rA;if(l){const e=oA;d.transformPoint3(h,l,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,aA),g=nA,g[0]=o.eye[0]-t[0],g[1]=o.eye[1]-t[1],g[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,g=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,g),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let m=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),n.drawArrays(n.POINTS,0,a.positionsBuf.numItems)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;const i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class AA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new Kl(this._scene)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Wl(this._scene)),this._silhouetteRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Xl(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Jl(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Yl(this._scene)),this._occlusionRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new iA(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new lA(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const hA={};class cA{constructor(e){this.model=e.model,this.sortId="PointsBatchingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=hA[t];return i||(i=new AA(e),hA[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete hA[t],i._destroy()}))),i}(e.model.scene);const t=e.maxGeometryBatchSize||5e6,i=function(){const e=[];return{append:function(t,i=1,s=1){e.push({data:t,times:i,denormalizeScale:s})},compileBuffer:function(t){let i=0;e.forEach((e=>{i+=e.times*e.data.length}));const s=new t(i);let r=0;return e.forEach((e=>{const t=e.data,i=e.denormalizeScale,o=s.subarray(r);if(1===i)o.set(t,0);else for(let e=0;e<t.length;++e)o[e]=t[e]*i;let n=t.length;const a=e.times*t.length;for(;n<a;){const e=Math.min(n,a-n);o.set(o.subarray(0,e),n),n+=e}r+=n})),s}}};this._buffer={maxVerts:t,positions:i(),colors:i(),pickColors:i(),vertsIndex:0},this._scratchMemory=e.scratchMemory,this._state=new kt({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:d.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=d.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,e.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(e.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,e.origin&&(this._state.origin=d.vec3(e.origin))}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=this._buffer,s=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!s)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(s);const r=s.length/3,o=t.color,n=t.colorsCompressed,a=t.colors,l=t.pickColor;n?i.colors.append(n):a?i.colors.append(a,1,255):o&&i.colors.append([o[0],o[1],o[2],1],r),i.pickColors.append(l.slice(0,4),r),d.expandAABB3(this._modelAABB,t.aabb);const A=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(r),this._buffer.vertsIndex+=r,this._numPortions++,this.model.numPortions++,this._meshes.push(e),A}finalize(){if(this._finalized)return;const e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,s=(e,i,s)=>e.length>0?new mt(t,t.ARRAY_BUFFER,e,e.length,i,s):null,r=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):ea(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=s(r,3,t.STATIC_DRAW),e.flagsBuf=s(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=s(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=s(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?s(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized"}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";const i=2*e,s=4*this._portions[i],r=4*this._portions[i+1],o=this._scratchMemory.getUInt8Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=4)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.colorsBuf.setData(o,s,r)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=2*e,r=this._portions[s],o=this._portions[s+1],n=this._scratchMemory.getFloat32Array(o),a=!!(t&re),l=!!(t&Ae),A=!!(t&he),h=!!(t&ce),c=!!(t&ne),u=!!(t&oe);let d,p;d=!a||u||l||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?ln.NOT_RENDERED:i?ln.COLOR_TRANSPARENT:ln.COLOR_OPAQUE,p=!a||u?ln.NOT_RENDERED:h?ln.SILHOUETTE_SELECTED:A?ln.SILHOUETTE_HIGHLIGHTED:l?ln.SILHOUETTE_XRAYED:ln.NOT_RENDERED;let f=a&&!u&&c?ln.PICK:ln.NOT_RENDERED;const g=t&ae?1:0;for(let e=0;e<o;e++){let t=0;t|=d,t|=p<<4,t|=f<<12,t|=g<<16,n[e]=t}this._state.flagsBuf.setData(n,r)}setOffset(e,t){if(!this._finalized)throw"Not finalized";if(!this.model.scene.entityOffsetsEnabled)return void this.model.error("Entity#offset not enabled for this Viewer");const i=2*e,s=3*this._portions[i],r=3*this._portions[i+1],o=this._scratchMemory.getFloat32Array(r),n=t[0],a=t[1],l=t[2];for(let e=0;e<r;e+=3)o[e+0]=n,o[e+1]=a,o[e+2]=l;this._state.offsetsBuf.setData(o,s,r)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ln.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ln.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ln.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ln.PICK)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}drawShadow(e,t){}destroy(){const e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}class uA extends fn{constructor(e,t){super(e,t,{instancing:!0})}_draw(e){const{gl:t}=this._scene.canvas,{state:i,frameCtx:s,incrementDrawState:r}=e;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),r&&s.drawArrays++}}class dA extends uA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{incrementDrawState:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing color vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("in float flags;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),i.filterIntensity&&s.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),i.filterIntensity&&(s.push("float intensity = float(color.a) / 255.0;"),s.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {")),s.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),i.filterIntensity&&s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing color fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class pA extends uA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}drawLayer(e,t,i){super.drawLayer(e,t,i,{colorUniform:!0})}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing silhouette vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 color;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),s.push("uniform vec4 silhouetteColor;"),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vColor;"),s.push("void main(void) {"),s.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),s.push("if (silhouetteFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing silhouette fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vColor;"),s.push("}"),s}}class fA extends uA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick mesh vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 pickColor;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vPickColor;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),s.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick mesh fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vPickColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("outColor = vPickColor; "),s.push("}"),s}}class gA extends uA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing pick depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),s.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(s),this._addRemapClipPosLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("out vec4 vViewPosition;"),s.push("void main(void) {"),s.push("int pickFlag = int(flags) >> 12 & 0xF;"),s.push("if (pickFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("  vFlags = flags;")),s.push("  vViewPosition = viewPosition;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),s.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing pick depth fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),s.push("uniform float pickZNear;"),s.push("uniform float pickZFar;"),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vViewPosition;"),s.push("vec4 packDepth(const in float depth) {"),s.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),s.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),s.push("  vec4 res = fract(depth * bitShift);"),s.push("  res -= res.xxyz * bitMask;"),s.push("  return res;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),s.push("    outColor = packDepth(zNormalizedDepth); "),s.push("}"),s}}class mA extends uA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in vec4 color;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("  vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Points instancing occlusion vertex shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),e.pointsMaterial.roundPoints&&(s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }")),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0;e<t.getNumAllocatedSectionPlanes();e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}class _A extends uA{_getHash(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,s=[];return s.push("#version 300 es"),s.push("// Points instancing depth vertex shader"),s.push("uniform int renderPass;"),s.push("in vec3 position;"),e.entityOffsetsEnabled&&s.push("in vec3 offset;"),s.push("in float flags;"),s.push("in vec4 modelMatrixCol0;"),s.push("in vec4 modelMatrixCol1;"),s.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(s),s.push("uniform float pointSize;"),i.perspectivePoints&&s.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;")),t&&(s.push("out vec4 vWorldPosition;"),s.push("out float vFlags;")),s.push("void main(void) {"),s.push("int colorFlag = int(flags) & 0xF;"),s.push("if (colorFlag != renderPass) {"),s.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),s.push("} else {"),s.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),s.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&s.push("      worldPosition.xyz = worldPosition.xyz + offset;"),s.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(s.push("vWorldPosition = worldPosition;"),s.push("vFlags = flags;")),s.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("gl_Position = clipPos;"),i.perspectivePoints?(s.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),s.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),s.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):s.push("gl_PointSize = pointSize;"),s.push("}"),s.push("}"),s}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState;let i,s;const r=t.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Points instancing depth vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),r)for(o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("uniform bool sectionPlaneActive"+i+";"),o.push("uniform vec3 sectionPlanePos"+i+";"),o.push("uniform vec3 sectionPlaneDir"+i+";");if(o.push("const float   packUpScale = 256. / 255.;"),o.push("const float   unpackDownscale = 255. / 256.;"),o.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),o.push("const float   shiftRight8 = 1.0 / 256.;"),o.push("vec4 packDepthToRGBA( const in float v ) {"),o.push("    vec4 r = vec4( fract( v * packFactors ), v );"),o.push("    r.yzw -= r.xyz * shiftRight8;"),o.push("    return r * packUpScale;"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),e.pointsMaterial.roundPoints&&(o.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("  float r = dot(cxy, cxy);"),o.push("  if (r > 1.0) {"),o.push("       discard;"),o.push("  }")),r){for(o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;"),i=0,s=t.getNumAllocatedSectionPlanes();i<s;i++)o.push("if (sectionPlaneActive"+i+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+i+".xyz, vWorldPosition.xyz - sectionPlanePos"+i+".xyz), 0.0, 1000.0);"),o.push("}");o.push("if (dist > 0.0) { discard; }"),o.push("}")}return o.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}class vA extends uA{_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Instancing geometry depth drawing fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec3 vViewNormal;"),s.push("vec3 packNormalToRGB( const in vec3 normal ) {"),s.push("    return normalize( normal ) * 0.5 + 0.5;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),s.push("  float r = dot(cxy, cxy);"),s.push("  if (r > 1.0) {"),s.push("       discard;"),s.push("  }"),i){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("if (dist > 0.0) { discard; }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),s.push("}"),s}}const bA=d.vec3(),yA=d.vec3(),BA=d.vec3();d.vec3();const wA=d.mat4();class PA extends fn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.canvas.gl,n=r.camera,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=bA;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=yA;if(l){const e=d.transformPoint3(h,l,BA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,wA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1)),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const xA=d.vec3(),CA=d.vec3(),MA=d.vec3();d.vec3();const EA=d.mat4();class FA extends fn{constructor(e){super(e,!1,{instancing:!0})}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=t.aabb,u=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));const p=xA;let f;if(p[0]=d.safeInv(c[3]-c[0])*d.MAX_INT,p[1]=d.safeInv(c[4]-c[1])*d.MAX_INT,p[2]=d.safeInv(c[5]-c[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(p[0]),e.snapPickCoordinateScale[1]=d.safeInv(p[1]),e.snapPickCoordinateScale[2]=d.safeInv(p[2]),l||0!==A[0]||0!==A[1]||0!==A[2]){const t=CA;if(l){const e=d.transformPoint3(h,l,MA);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=A[0],t[1]+=A[1],t[2]+=A[2],f=$(u,t,EA),e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else f=u,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);let g=0;this._matricesUniformBlockBufferData.set(h,0),this._matricesUniformBlockBufferData.set(f,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}_allocate(){super._allocate();const e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}_bindProgram(){this._program.bind()}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class IA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new dA(this._scene,!1)),this._colorRenderer}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new pA(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new _A(this._scene)),this._depthRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new fA(this._scene)),this._pickMeshRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new gA(this._scene)),this._pickDepthRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new mA(this._scene)),this._occlusionRenderer}get shadowRenderer(){return this._shadowRenderer||(this._shadowRenderer=new vA(this._scene)),this._shadowRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new PA(this._scene,!1)),this._snapInitRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new FA(this._scene)),this._snapRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}const DA={};const SA=new Uint8Array(4),TA=new Float32Array(1),RA=new Float32Array(3),LA=new Float32Array(4);class UA{constructor(e){this.model=e.model,this.material=e.material,this.sortId="PointsInstancingLayer",this.layerIndex=e.layerIndex,this._renderers=function(e){const t=e.id;let i=DA[t];return i||(i=new IA(e),DA[t]=i,i._compile(),e.on("compile",(()=>{i._compile()})),e.on("destroyed",(()=>{delete DA[t],i._destroy()}))),i}(e.model.scene),this._aabb=d.collapseAABB3(),this._state=new kt({obb:d.OBB3(),numInstances:0,origin:e.origin?d.vec3(e.origin):null,geometry:e.geometry,positionsDecodeMatrix:e.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=e.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=e.geometry.primitive}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}createPortion(e,t){const i=t.meshMatrix,s=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(s[0]),this._pickColors.push(s[1]),this._pickColors.push(s[2]),this._pickColors.push(s[3]),this._state.numInstances++;const r=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),r}finalize(){if(this._finalized)throw"Already finalized";const e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,s=i.geometry;if(t>0){let s=!1;i.flagsBuf=new mt(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,s)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){const t=!1;i.offsetsBuf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,t),this._offsets=[]}if(s.positionsCompressed&&s.positionsCompressed.length>0){const t=!1;i.positionsBuf=new mt(e,e.ARRAY_BUFFER,s.positionsCompressed,s.positionsCompressed.length,3,e.STATIC_DRAW,t),i.positionsDecodeMatrix=d.mat4(s.positionsDecodeMatrix)}if(s.colorsCompressed&&s.colorsCompressed.length>0){const t=new Uint8Array(s.colorsCompressed),r=!1;i.colorsBuf=new mt(e,e.ARRAY_BUFFER,t,t.length,4,e.STATIC_DRAW,r)}if(this._modelMatrixCol0.length>0){const t=!1;i.modelMatrixCol0Buf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,t),i.modelMatrixCol1Buf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,t),i.modelMatrixCol2Buf=new mt(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,t),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){const t=!1;i.pickColorsBuf=new mt(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,t),this._pickColors=[]}i.geometry=null,this._finalized=!0}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){if(!this._finalized)throw"Not finalized";SA[0]=t[0],SA[1]=t[1],SA[2]=t[2],this._state.colorsBuf.setData(SA,3*e)}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i){if(!this._finalized)throw"Not finalized";const s=!!(t&re),r=!!(t&Ae),o=!!(t&he),n=!!(t&ce),a=!!(t&ue),l=!!(t&ne),A=!!(t&oe);let h,c;h=!s||A||r||o&&!this.model.scene.highlightMaterial.glowThrough||n&&!this.model.scene.selectedMaterial.glowThrough?ln.NOT_RENDERED:i?ln.COLOR_TRANSPARENT:ln.COLOR_OPAQUE,c=!s||A?ln.NOT_RENDERED:n?ln.SILHOUETTE_SELECTED:o?ln.SILHOUETTE_HIGHLIGHTED:r?ln.SILHOUETTE_XRAYED:ln.NOT_RENDERED;let u=0;u=!s||A?ln.NOT_RENDERED:n?ln.EDGES_SELECTED:o?ln.EDGES_HIGHLIGHTED:r?ln.EDGES_XRAYED:a?i?ln.EDGES_COLOR_TRANSPARENT:ln.EDGES_COLOR_OPAQUE:ln.NOT_RENDERED;let d=0;d|=h,d|=c<<4,d|=u<<8,d|=(s&&!A&&l?ln.PICK:ln.NOT_RENDERED)<<12,d|=(t&ae?255:0)<<16,TA[0]=d,this._state.flagsBuf.setData(TA,e)}setOffset(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(RA[0]=t[0],RA[1]=t[1],RA[2]=t[2],this._state.offsetsBuf.setData(RA,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}setMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=4*e;LA[0]=t[0],LA[1]=t[4],LA[2]=t[8],LA[3]=t[12],this._state.modelMatrixCol0Buf.setData(LA,i),LA[0]=t[1],LA[1]=t[5],LA[2]=t[9],LA[3]=t[13],this._state.modelMatrixCol1Buf.setData(LA,i),LA[0]=t[2],LA[1]=t[6],LA[2]=t[10],LA[3]=t[14],this._state.modelMatrixCol2Buf.setData(LA,i)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_XRAYED)}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_HIGHLIGHTED)}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_SELECTED)}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}drawShadow(e,t){}drawPickMesh(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ln.PICK)}drawPickDepths(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ln.PICK)}drawPickNormals(e,t){}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ln.PICK)}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ln.PICK)}destroy(){const e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}const OA=d.vec3(),kA=d.vec3(),NA=d.mat4();class QA{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o,u=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=OA;if(f){const t=d.transformPoint3(c,A,kA);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,NA)}else p=u;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,OA,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),n.drawArrays(n.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),n.drawArrays(n.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),n.drawArrays(n.LINES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// LinesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { "),s.push("      discard;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("   outColor            = vColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class VA{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}eagerCreateRenders(){}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new QA(this._scene,!1)),this._colorRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy()}}const HA={};class jA{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]}}class GA{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindLineIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}}class zA{constructor(e,t,i,s,r=null){this._gl=e,this._texture=t,this._textureWidth=i,this._textureHeight=s,this._textureData=r}bindTexture(e,t,i){return e.bindTexture(t,this,i)}bind(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}unbind(e){}}const KA={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(KA,null,4));let e=0;Object.keys(KA).forEach((t=>{t.startsWith("size")&&(e+=KA[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/KA.totalLines).toFixed(2)}`);let t={};Object.keys(KA).forEach((i=>{i.startsWith("size")&&(t[i]=`${(KA[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class WA{disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}generateTextureForColorsAndFlags(e,t,i,s,r){const o=t.length;this.numPortions=o;const n=4096,a=Math.ceil(o/512);if(0===a)throw"texture height===0";const l=new Uint8Array(16384*a);KA.sizeDataColorsAndFlags+=l.byteLength,KA.numberOfTextures++;for(let e=0;e<o;e++)l.set(t[e],32*e+0),l.set(i[e],32*e+4),l.set([0,0,0,0],32*e+8),l.set([0,0,0,0],32*e+12),l.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),l.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20);const A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,n,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,n,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,A,n,a,l)}generateTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);KA.sizeDataTextureOffsets+=r.byteLength,KA.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,o,i,s,r)}generateTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);KA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r,o)}generateTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);KA.sizeDataPositionDecodeMatrices+=o.byteLength,KA.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}generateTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);KA.sizeDataTextureIndices+=o.byteLength,KA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}generateTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);KA.sizeDataTextureIndices+=o.byteLength,KA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}generateTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);KA.sizeDataTextureIndices+=o.byteLength,KA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}generateTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);KA.sizeDataTexturePositions+=n.byteLength,KA.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,a,r,o)}generateTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),KA.sizeDataTexturePortionIds+=o.byteLength,KA.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}}const XA=new Jn,JA=XA.maxDataTextureHeight,YA=new Float32Array(16),ZA=new Uint8Array(4),qA=new Float32Array(3);let $A=0;const eh=d.identityMat4();class th{constructor(e,t){KA.numberOfLayers++,this._layerNumber=$A++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=HA[t];return i||(i=new VA(e),HA[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete HA[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new jA,this._dataTextureState=new GA,this._dataTextureGenerator=new WA,this._state=new kt({origin:d.vec3(t.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&KA.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/2})),(this._state.numVertices+s>4096*JA||t+r>4096*JA)&&KA.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*JA&&t+r<=4096*JA}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/2/8)*2;KA.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}const i=t.positionsCompressed,s=t.indices,r=this._buffer;r.positionsCompressed.push(i);const o=r.lenPositionsCompressed/3,n=i.length/3;let a;r.lenPositionsCompressed+=i.length;let l=0;if(s){let e;l=s.length/2,n<=256?(e=r.indices8Bits,a=r.lenIndices8Bits/2,r.lenIndices8Bits+=s.length):n<=65536?(e=r.indices16Bits,a=r.lenIndices16Bits/2,r.lenIndices16Bits+=s.length):(e=r.indices32Bits,a=r.lenIndices32Bits/2,r.lenIndices32Bits+=s.length),e.push(s)}this._state.numVertices+=n,KA.numberOfGeometries++;return{vertexBase:o,numVertices:n,numLines:l,indicesBase:a}}_createSubPortion(e,t){const i=e.color,s=e.colors,r=e.opacity,o=e.meshMatrix,n=e.pickColor,a=this._buffer,l=this._state;a.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),a.perObjectInstancePositioningMatrices.push(o||eh),a.perObjectSolid.push(!!e.solid),s?a.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):i&&a.perObjectColors.push([i[0],i[1],i[2],r]),a.perObjectPickColors.push(n),a.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?l.numIndices8Bits:t.numVertices<=65536?l.numIndices16Bits:l.numIndices32Bits,a.perObjectIndexBaseOffsets.push(e/2-t.indicesBase)}const A=this._subPortions.length;if(t.numLines>0){let e,i=2*t.numLines;t.numVertices<=256?(e=a.perLineNumberPortionId8Bits,l.numIndices8Bits+=i,KA.totalLines8Bits+=t.numLines):t.numVertices<=65536?(e=a.perLineNumberPortionId16Bits,l.numIndices16Bits+=i,KA.totalLines16Bits+=t.numLines):(e=a.perLineNumberPortionId32Bits,l.numIndices32Bits+=i,KA.totalLines32Bits+=t.numLines),KA.totalLines+=t.numLines;for(let i=0;i<t.numLines;i+=8)e.push(A)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,KA.numberOfPortions++,A}finalize(){if(this._finalized)return;const e=this._state,t=this._dataTextureState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId8Bits),t.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId16Bits),t.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(i,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(t.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;ZA[0]=t[0],ZA[1]=t[1],ZA[2]=t[2],ZA[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(ZA,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,ZA))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&re),o=!!(t&Ae),n=!!(t&oe);let a,l;a=!r||n||o?ln.NOT_RENDERED:i?ln.COLOR_TRANSPARENT:ln.COLOR_OPAQUE,l=!r||n?ln.NOT_RENDERED:!!(t&ce)?ln.SILHOUETTE_SELECTED:!!(t&he)?ln.SILHOUETTE_HIGHLIGHTED:o?ln.SILHOUETTE_XRAYED:ln.NOT_RENDERED;let A=r&&!n&&!!(t&ne)?ln.PICK:ln.NOT_RENDERED;const h=this._dataTextureState,c=this.model.scene.canvas.gl;ZA[0]=a,ZA[1]=l,ZA[3]=A,h.texturePerObjectColorsAndFlags._textureData.set(ZA,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),c.bindTexture(c.TEXTURE_2D,h.texturePerObjectColorsAndFlags._texture),c.texSubImage2D(c.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,c.RGBA_INTEGER,c.UNSIGNED_BYTE,ZA))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&ae?255:0,r=this._dataTextureState,o=this.model.scene.canvas.gl;ZA[0]=s,ZA[1]=0,ZA[2]=1,ZA[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(ZA,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,ZA))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;qA[0]=t[0],qA[1]=t[1],qA[2]=t[2],i.texturePerObjectOffsets._textureData.set(qA,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,qA))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dataTextureState,s=this.model.scene.canvas.gl;YA.set(t),i.texturePerObjectInstanceMatrices._textureData.set(YA,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,YA))}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE)}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT)}drawDepth(e,t){}drawNormals(e,t){}drawSilhouetteXRayed(e,t){}drawSilhouetteHighlighted(e,t){}drawSilhouetteSelected(e,t){}drawEdgesColorOpaque(e,t){}drawEdgesColorTransparent(e,t){}drawEdgesHighlighted(e,t){}drawEdgesSelected(e,t){}drawEdgesXRayed(e,t){}drawOcclusion(e,t){}drawShadow(e,t){}setPickMatrices(e,t){}drawPickMesh(e,t){}drawPickDepths(e,t){}drawSnapInit(e,t){}drawSnap(e,t){}drawPickNormals(e,t){}destroy(){if(this._destroyed)return;const e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}const ih=d.vec3(),sh=d.vec3(),rh=d.vec3();d.vec3();const oh=d.vec4(),nh=d.mat4();class ah{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=ih;if(f){const t=d.transformPoint3(c,A,sh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],u=$(r.viewMatrix,e,nh),p=rh,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else u=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;s.crossSections&&(n.uniform4fv(this._uSliceColor,s.crossSections.sliceColor),n.uniform1f(this._uSliceThickness,s.crossSections.sliceThickness));for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,ih,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new gt(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);const s=this._program;this._uRenderPass=s.getLocation("renderPass"),this._uLightAmbient=s.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];const r=i.lights;let o;for(let e=0,t=r.length;e<t;e++)switch(o=r[e],o.type){case"dir":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=null,this._uLightDir[e]=s.getLocation("lightDir"+e);break;case"point":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=null,this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e);break;case"spot":this._uLightColor[e]=s.getLocation("lightColor"+e),this._uLightPos[e]=s.getLocation("lightPos"+e),this._uLightDir[e]=s.getLocation("lightDir"+e),this._uLightAttenuation[e]=s.getLocation("lightAttenuation"+e)}this._uSceneModelMatrix=s.getLocation("sceneModelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,i=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<i;t++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+t),pos:s.getLocation("sectionPlanePos"+t),dir:s.getLocation("sectionPlaneDir"+t)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=s.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=s.getLocation("uCameraEyeRtc"),e.crossSections&&(this._uSliceColor=s.getLocation("sliceColor"),this._uSliceThickness=s.getLocation("sliceThickness"))}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t._lightsState.lights,o=t.camera.project;s.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(let e=0,t=r.length;e<t;e++){const t=r[e];this._uLightColor[e]&&i.uniform4f(this._uLightColor[e],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[e]&&(i.uniform3fv(this._uLightPos[e],t.pos),this._uLightAttenuation[e]&&i.uniform1f(this._uLightAttenuation[e],t.attenuation)),this._uLightDir[e]&&i.uniform3fv(this._uLightDir[e],t.dir)}if(this._withSAO){const s=t.sao;if(s.possible){const t=i.drawingBufferWidth,r=i.drawingBufferHeight;oh[0]=t,oh[1]=r,oh[2]=s.blendCutoff,oh[3]=s.blendFactor,i.uniform4fv(this._uSAOParams,oh),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){const e=2/(Math.log(o.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState,i=e._lightsState,s=t.getNumAllocatedSectionPlanes()>0;let r;const o=[];o.push("#version 300 es"),o.push("// TrianglesDataTextureColorRenderer vertex shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("precision highp usampler2D;"),o.push("precision highp isampler2D;"),o.push("precision highp sampler2D;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("precision mediump usampler2D;"),o.push("precision mediump isampler2D;"),o.push("precision mediump sampler2D;"),o.push("#endif"),o.push("uniform int renderPass;"),o.push("uniform mat4 sceneModelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),o.push("uniform highp sampler2D uTexturePerObjectMatrix;"),o.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),o.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),o.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),o.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),o.push("uniform vec3 uCameraEyeRtc;"),o.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("out float isPerspective;")),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("uniform vec4 lightAmbient;");for(let e=0,t=i.lights.length;e<t;e++)r=i.lights[e],"ambient"!==r.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===r.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===r.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===r.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")));s&&(o.push("out vec4 vWorldPosition;"),o.push("flat out uint vFlags2;")),o.push("out vec4 vColor;"),o.push("void main(void) {"),o.push("int polygonIndex = gl_VertexID / 3;"),o.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),o.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),o.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),o.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),o.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),o.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),o.push("if (int(flags.x) != renderPass) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("} else {"),o.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),o.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),o.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),o.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),o.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),o.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),o.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),o.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),o.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),o.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),o.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),o.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),o.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),o.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),o.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),o.push("if (color.a == 0u) {"),o.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),o.push("   return;"),o.push("};"),o.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),o.push("vec3 position;"),o.push("position = positions[gl_VertexID % 3];"),o.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),o.push("if (solid != 1u) {"),o.push("if (isPerspectiveMatrix(projMatrix)) {"),o.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),o.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("} else {"),o.push("if (viewNormal.z < 0.0) {"),o.push("position = positions[2 - (gl_VertexID % 3)];"),o.push("viewNormal = -viewNormal;"),o.push("}"),o.push("}"),o.push("}"),o.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),o.push("vec4 viewPosition = viewMatrix * worldPosition; "),o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;");for(let e=0,t=i.lights.length;e<t;e++)if(r=i.lights[e],"ambient"!==r.type){if("dir"===r.type)"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===r.type)"view"===r.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==r.type)continue;"view"===r.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return o.push("vec3 rgb = vec3(color.rgb) / 255.0;"),o.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),o.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(o.push("vWorldPosition = worldPosition;"),o.push("vFlags2 = flags2.r;")),o.push("gl_Position = clipPos;"),o.push("}"),o.push("}"),o}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// TrianglesDataTextureColorRenderer fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),i){s.push("in vec4 vWorldPosition;"),s.push("flat in uint vFlags2;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("uniform bool sectionPlaneActive"+e+";"),s.push("uniform vec3 sectionPlanePos"+e+";"),s.push("uniform vec3 sectionPlaneDir"+e+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}if(s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),i){s.push("  bool clippable = vFlags2 > 0u;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(let e=0,i=t.getNumAllocatedSectionPlanes();e<i;e++)s.push("if (sectionPlaneActive"+e+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}return e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):s.push("   outColor            = newColor;"),s.push("}"),s}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const lh=new Float32Array([1,1,1]),Ah=d.vec3(),hh=d.vec3(),ch=d.vec3();d.vec3();const uh=d.mat4();class dh{constructor(e,t){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o,u=r.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=Ah;if(A){const t=hh;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,uh),f=ch,f[0]=r.eye[0]-e[0],f[1]=r.eye[1]-e[1],f[2]=r.eye[2]-e[2]}else p=u,f=r.eye;if(n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),i===ln.SILHOUETTE_XRAYED){const e=s.xrayMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===ln.SILHOUETTE_HIGHLIGHTED){const e=s.highlightMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===ln.SILHOUETTE_SELECTED){const e=s.selectedMaterial._state,t=e.fillColor,i=e.fillAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,lh);if(s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,r=o.renderFlags;for(let t=0;t<g;t++){const s=this._uSectionPlanes[t];if(s)if(t<m){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Ah,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = color;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const ph=new Float32Array([0,0,0,1]),fh=d.vec3(),gh=d.vec3();d.vec3();const mh=d.mat4();class _h{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=fh;if(f){const t=d.transformPoint3(c,A,gh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,mh)}else p=u;if(n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),i===ln.EDGES_XRAYED){const e=r.xrayMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===ln.EDGES_HIGHLIGHTED){const e=r.highlightMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else if(i===ln.EDGES_SELECTED){const e=r.selectedMaterial._state,t=e.edgeColor,i=e.edgeAlpha;n.uniform4f(this._uColor,t[0],t[1],t[2],i)}else n.uniform4fv(this._uColor,ph);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,fh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const vh=d.vec3(),bh=d.vec3(),yh=d.mat4();class Bh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=o.viewMatrix;if(!this._program&&(this._allocate(),this.errors))return;let p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=vh;if(f){const t=d.transformPoint3(c,A,bh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,yh)}else p=u;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,vh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(n.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(n.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(n.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=this._program,s=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(s.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const wh=d.vec3(),Ph=d.vec3(),xh=d.vec3(),Ch=d.mat4();class Mh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(t),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=wh;if(v){const t=d.transformPoint3(c,A,Ph);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=$(u,e,Ch),_=xh,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=u,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=r._sectionPlanesState.getNumAllocatedSectionPlanes(),B=r._sectionPlanesState.sectionPlanes.length;if(y>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*B,o=s.renderFlags;for(let t=0;t<y;t++){const r=this._uSectionPlanes[t];if(r)if(t<B){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,wh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Eh=d.vec3(),Fh=d.vec3(),Ih=d.vec3();d.vec3();const Dh=d.mat4();class Sh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix,p=e.pickProjMatrix||o.projMatrix,f=e.pickOrigin||o.eye,g=e.pickProjMatrix?e.pickZFar:o.project.far;let m,_;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const t=Eh;if(A){const e=Fh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],m=$(u,t,Dh),_=Ih,_[0]=f[0]-t[0],_[1]=f[1]-t[1],_[2]=f[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else m=u,_=f,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniform1f(this._uPickZNear,e.pickZNear),n.uniform1f(this._uPickZFar,e.pickZFar),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),r.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const v=r._sectionPlanesState.getNumAllocatedSectionPlanes(),b=r._sectionPlanesState.sectionPlanes.length;if(v>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*b,o=s.renderFlags;for(let t=0;t<v;t++){const r=this._uSectionPlanes[t];if(r)if(t<b){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Eh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("uniform bool sectionPlaneActive"+s+";"),i.push("uniform vec3 sectionPlanePos"+s+";"),i.push("uniform vec3 sectionPlaneDir"+s+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Th=d.vec3(),Rh=d.vec3(),Lh=d.vec3(),Uh=d.vec3();d.vec3();const Oh=d.mat4();class kh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=Th;let g,m;f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=Rh;if(_){const e=d.transformPoint3(c,A,Lh);t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=$(p,t,Oh),m=Uh,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Th,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}const B="edge"===e.snapMode?n.LINES:n.POINTS;a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),n.drawArrays(B,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),n.drawArrays(B,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),n.drawArrays(B,0,a.numEdgeIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Nh=d.vec3(),Qh=d.vec3(),Vh=d.vec3(),Hh=d.vec3();d.vec3();const jh=d.mat4();class Gh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=t.aabb,p=e.pickViewMatrix||o.viewMatrix,f=Nh;let g,m;f[0]=d.safeInv(u[3]-u[0])*d.MAX_INT,f[1]=d.safeInv(u[4]-u[1])*d.MAX_INT,f[2]=d.safeInv(u[5]-u[2])*d.MAX_INT,e.snapPickCoordinateScale[0]=d.safeInv(f[0]),e.snapPickCoordinateScale[1]=d.safeInv(f[1]),e.snapPickCoordinateScale[2]=d.safeInv(f[2]),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const _=0!==A[0]||0!==A[1]||0!==A[2],v=0!==h[0]||0!==h[1]||0!==h[2];if(_||v){const t=Qh;if(_){const e=Vh;d.transformPoint3(c,A,e),t[0]=e[0],t[1]=e[1],t[2]=e[2]}else t[0]=0,t[1]=0,t[2]=0;t[0]+=h[0],t[1]+=h[1],t[2]+=h[2],g=$(p,t,jh),m=Hh,m[0]=o.eye[0]-t[0],m[1]=o.eye[1]-t[1],m[2]=o.eye[2]-t[2],e.snapPickOrigin[0]=t[0],e.snapPickOrigin[1]=t[1],e.snapPickOrigin[2]=t[2]}else g=p,m=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,m),n.uniform2fv(this._uVectorA,e.snapVectorA),n.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible),n.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,g),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);{const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const b=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(b>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*y,o=s.renderFlags;for(let t=0;t<b;t++){const r=this._uSectionPlanes[t];if(r)if(t<y){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Nh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}_bindProgram(){this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const zh=d.vec3(),Kh=d.vec3(),Wh=d.vec3();d.vec3();const Xh=d.mat4();class Jh{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=s,u=e.pickViewMatrix||o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let p,f;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){const e=zh;if(A){const t=Kh;d.transformPoint3(c,A,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],p=$(u,e,Xh),f=Wh,f[0]=o.eye[0]-e[0],f[1]=o.eye[1]-e[1],f[2]=o.eye[2]-e[2]}else p=u,f=o.eye;n.uniform3fv(this._uCameraEyeRtc,f),n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,p),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix);const g=r._sectionPlanesState.getNumAllocatedSectionPlanes(),m=r._sectionPlanesState.sectionPlanes.length;if(g>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*m,o=s.renderFlags;for(let t=0;t<g;t++){const r=this._uSectionPlanes[t];if(r)if(t<m){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,zh,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(){const e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(let t=0;t<e.getNumAllocatedSectionPlanes();t++)i.push("      if (sectionPlaneActive"+t+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const Yh=d.vec3(),Zh=d.vec3(),qh=d.vec3();d.vec3();const $h=d.mat4();class ec{constructor(e){this._scene=e,this._allocate(),this._hash=this._getHash()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const f=0!==A[0]||0!==A[1]||0!==A[2],g=0!==h[0]||0!==h[1]||0!==h[2];if(f||g){const e=Yh;if(f){const t=d.transformPoint3(c,A,Zh);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],u=$(r.viewMatrix,e,$h),p=qh,p[0]=r.eye[0]-e[0],p[1]=r.eye[1]-e[1],p[2]=r.eye[2]-e[2]}else u=r.viewMatrix,p=r.eye;if(n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,r.projMatrix),n.uniform3fv(this._uCameraEyeRtc,p),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const t=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,t)}const m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,r=o.renderFlags;for(let t=0;t<m;t++){const s=this._uSectionPlanes[t];if(s)if(t<_){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,Yh,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,r.matrix),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const tc=d.vec3(),ic=d.vec3(),sc=d.vec3();d.vec3();const rc=d.mat4();class oc{constructor(e){this._scene=e,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){return this._scene._sectionPlanesState.getHash()}drawLayer(e,t,i){const s=t.model,r=s.scene,o=r.camera,n=r.canvas.gl,a=t._state,l=t._state.origin,{position:A,rotationMatrix:h}=s,c=o.viewMatrix;if(!this._program&&(this._allocate(t),this.errors))return;let u,p;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));const f=0!==l[0]||0!==l[1]||0!==l[2],g=0!==A[0]||0!==A[1]||0!==A[2];if(f||g){const e=tc;if(f){const t=ic;d.transformPoint3(h,l,t),e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=A[0],e[1]+=A[1],e[2]+=A[2],u=$(c,e,rc),p=sc,p[0]=o.eye[0]-e[0],p[1]=o.eye[1]-e[1],p[2]=o.eye[2]-e[2]}else u=c,p=o.eye;n.uniform1i(this._uRenderPass,i),n.uniformMatrix4fv(this._uWorldMatrix,!1,h),n.uniformMatrix4fv(this._uViewMatrix,!1,u),n.uniformMatrix4fv(this._uProjMatrix,!1,o.projMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,o.viewNormalMatrix),n.uniformMatrix4fv(this._uWorldNormalMatrix,!1,s.worldNormalMatrix);const m=r._sectionPlanesState.getNumAllocatedSectionPlanes(),_=r._sectionPlanesState.sectionPlanes.length;if(m>0){const e=r._sectionPlanesState.sectionPlanes,i=t.layerIndex*_,o=s.renderFlags;for(let t=0;t<m;t++){const r=this._uSectionPlanes[t];if(r)if(t<_){const a=o.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(r.active,a?1:0),a){const i=e[t];if(l){const e=se(i.dist,i.dir,l,tc,s.matrix);n.uniform3fv(r.pos,e)}else n.uniform3fv(r.pos,i.pos);n.uniform3fv(r.dir,i.dir)}}else n.uniform1i(r.active,0)}}n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),n.drawElements(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}_bindProgram(){const e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){const e=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&at.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),at.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(at.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&at.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&at.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(let t=0;t<e._sectionPlanesState.getNumAllocatedSectionPlanes();t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&at.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}const nc=d.vec3(),ac=d.vec3(),lc=d.vec3();d.vec3(),d.vec4();const Ac=d.mat4();class hc{constructor(e,t){this._scene=e,this._withSAO=t,this._hash=this._getHash(),this._allocate()}getValid(){return this._hash===this._getHash()}_getHash(){const e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}drawLayer(e,t,i){const s=this._scene,r=s.camera,o=t.model,n=s.canvas.gl,a=t._state,l=a.textureState,A=t._state.origin,{position:h,rotationMatrix:c}=o;if(!this._program&&(this._allocate(),this.errors))return;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));const u=e.pickViewMatrix||r.viewMatrix,p=e.pickProjMatrix||r.projMatrix,f=e.pickOrigin||r.eye,g=e.pickProjMatrix?e.pickZFar:r.project.far;let m,_;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);const v=0!==A[0]||0!==A[1]||0!==A[2],b=0!==h[0]||0!==h[1]||0!==h[2];if(v||b){const e=nc;if(v){const t=d.transformPoint3(c,A,ac);e[0]=t[0],e[1]=t[1],e[2]=t[2]}else e[0]=0,e[1]=0,e[2]=0;e[0]+=h[0],e[1]+=h[1],e[2]+=h[2],m=$(u,e,Ac),_=lc,_[0]=f[0]-e[0],_[1]=f[1]-e[1],_[2]=f[2]-e[2]}else m=u,_=f;if(n.uniform2fv(this._uPickClipPos,e.pickClipPos),n.uniform2f(this._uDrawingBufferSize,n.drawingBufferWidth,n.drawingBufferHeight),n.uniformMatrix4fv(this._uSceneModelMatrix,!1,c),n.uniformMatrix4fv(this._uViewMatrix,!1,m),n.uniformMatrix4fv(this._uProjMatrix,!1,p),n.uniform3fv(this._uCameraEyeRtc,_),n.uniform1i(this._uRenderPass,i),s.logarithmicDepthBufferEnabled){const e=2/(Math.log(g+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,e)}const y=s._sectionPlanesState.getNumAllocatedSectionPlanes(),B=s._sectionPlanesState.sectionPlanes.length;if(y>0){const e=s._sectionPlanesState.sectionPlanes,i=t.layerIndex*B,r=o.renderFlags;for(let t=0;t<y;t++){const s=this._uSectionPlanes[t];if(s)if(t<B){const a=r.sectionPlanesActivePerLayer[i+t];if(n.uniform1i(s.active,a?1:0),a){const i=e[t];if(A){const e=se(i.dist,i.dir,A,nc,o.matrix);n.uniform3fv(s.pos,e)}else n.uniform3fv(s.pos,i.pos);n.uniform3fv(s.dir,i.dir)}}else n.uniform1i(s.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),n.drawArrays(n.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),n.drawArrays(n.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),n.drawArrays(n.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}_allocate(){const e=this._scene,t=e.canvas.gl;if(this._program=new gt(t,this._buildShader()),this._program.errors)return void(this.errors=this._program.errors);const i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+t),pos:i.getLocation("sectionPlanePos"+t),dir:i.getLocation("sectionPlaneDir"+t)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}_bindProgram(e){const t=this._scene,i=t.canvas.gl,s=this._program,r=t.camera.project;if(s.bind(),t.logarithmicDepthBufferEnabled){const e=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,e)}}_buildShader(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}_buildVertexShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}_buildFragmentShader(){const e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("uniform bool sectionPlaneActive"+t+";"),i.push("uniform vec3 sectionPlanePos"+t+";"),i.push("uniform vec3 sectionPlaneDir"+t+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(let t=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();t<s;t++)i.push("if (sectionPlaneActive"+t+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+t+".xyz, vWorldPosition.xyz - sectionPlanePos"+t+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push(`  outNormal = ivec4(worldNormal * float(${d.MAX_INT}), 1.0);`),i.push("}"),i}webglContextRestored(){this._program=null}destroy(){this._program&&this._program.destroy(),this._program=null}}class cc{constructor(e){this._scene=e}_compile(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}eagerCreateRenders(){this._silhouetteRenderer||(this._silhouetteRenderer=new dh(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new Mh(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new Sh(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new hc(this._scene)),this._snapRenderer||(this._snapRenderer=new kh(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Gh(this._scene)),this._snapRenderer||(this._snapRenderer=new kh(this._scene))}get colorRenderer(){return this._colorRenderer||(this._colorRenderer=new ah(this._scene,!1)),this._colorRenderer}get colorRendererWithSAO(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new ah(this._scene,!0)),this._colorRendererWithSAO}get colorQualityRendererWithSAO(){return this._colorQualityRendererWithSAO}get silhouetteRenderer(){return this._silhouetteRenderer||(this._silhouetteRenderer=new dh(this._scene)),this._silhouetteRenderer}get depthRenderer(){return this._depthRenderer||(this._depthRenderer=new ec(this._scene)),this._depthRenderer}get normalsRenderer(){return this._normalsRenderer||(this._normalsRenderer=new oc(this._scene)),this._normalsRenderer}get edgesRenderer(){return this._edgesRenderer||(this._edgesRenderer=new _h(this._scene)),this._edgesRenderer}get edgesColorRenderer(){return this._edgesColorRenderer||(this._edgesColorRenderer=new Bh(this._scene)),this._edgesColorRenderer}get pickMeshRenderer(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Mh(this._scene)),this._pickMeshRenderer}get pickNormalsRenderer(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new hc(this._scene)),this._pickNormalsRenderer}get pickNormalsFlatRenderer(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new hc(this._scene)),this._pickNormalsFlatRenderer}get pickDepthRenderer(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Sh(this._scene)),this._pickDepthRenderer}get snapRenderer(){return this._snapRenderer||(this._snapRenderer=new kh(this._scene)),this._snapRenderer}get snapInitRenderer(){return this._snapInitRenderer||(this._snapInitRenderer=new Gh(this._scene)),this._snapInitRenderer}get occlusionRenderer(){return this._occlusionRenderer||(this._occlusionRenderer=new Jh(this._scene)),this._occlusionRenderer}_destroy(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}const uc={};class dc{constructor(){this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]}}class pc{constructor(){this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}finalize(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}bindCommonTextures(e,t,i,s,r){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,s,3),this.texturePerObjectInstanceMatrices.bindTexture(e,r,4)}bindTriangleIndicesTextures(e,t,i,s){this.indicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.indicesPerBitnessTextures[s].bindTexture(e,i,6)}bindEdgeIndicesTextures(e,t,i,s){this.edgeIndicesPortionIdsPerBitnessTextures[s].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[s].bindTexture(e,i,6)}}const fc={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(fc,null,4));let e=0;Object.keys(fc).forEach((t=>{t.startsWith("size")&&(e+=fc[t])})),console.log(`Total size ${e} bytes (${(e/1e3/1e3).toFixed(2)} MB)`),console.log(`Avg bytes / triangle: ${(e/fc.totalPolygons).toFixed(2)}`);let t={};Object.keys(fc).forEach((i=>{i.startsWith("size")&&(t[i]=`${(fc[i]/e*100).toFixed(2)} % of total`)})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};class gc{constructor(){}disableBindedTextureFiltering(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}createTextureForColorsAndFlags(e,t,i,s,r,o,n){const a=t.length;this.numPortions=a;const l=4096,A=Math.ceil(a/512);if(0===A)throw"texture height===0";const h=new Uint8Array(16384*A);fc.sizeDataColorsAndFlags+=h.byteLength,fc.numberOfTextures++;for(let e=0;e<a;e++)h.set(t[e],32*e+0),h.set(i[e],32*e+4),h.set([0,0,0,0],32*e+8),h.set([0,0,0,0],32*e+12),h.set([s[e]>>24&255,s[e]>>16&255,s[e]>>8&255,255&s[e]],32*e+16),h.set([r[e]>>24&255,r[e]>>16&255,r[e]>>8&255,255&r[e]],32*e+20),h.set([o[e]>>24&255,o[e]>>16&255,o[e]>>8&255,255&o[e]],32*e+24),h.set([n[e]?1:0,0,0,0],32*e+28);const c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,A),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,A,e.RGBA_INTEGER,e.UNSIGNED_BYTE,h,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,c,l,A,h)}createTextureForObjectOffsets(e,t){const i=512,s=Math.ceil(t/i);if(0===s)throw"texture height===0";const r=new Float32Array(1536*s).fill(0);fc.sizeDataTextureOffsets+=r.byteLength,fc.numberOfTextures++;const o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,s,e.RGB,e.FLOAT,r,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,o,i,s,r)}createTextureForInstancingMatrices(e,t){const i=t.length;if(0===i)throw"num instance matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);fc.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r,o)}createTextureForPositionsDecodeMatrices(e,t){const i=t.length;if(0===i)throw"num decode+entity matrices===0";const s=2048,r=Math.ceil(i/512),o=new Float32Array(8192*r);fc.sizeDataPositionDecodeMatrices+=o.byteLength,fc.numberOfTextures++;for(let e=0;e<t.length;e++)o.set(t[e],16*e);const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGBA,e.FLOAT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}createTextureFor8BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*3);fc.sizeDataTextureIndices+=o.byteLength,fc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}createTextureFor16BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*3);fc.sizeDataTextureIndices+=o.byteLength,fc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}createTextureFor32BitIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/3/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*3);fc.sizeDataTextureIndices+=o.byteLength,fc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RGB_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}createTextureFor8BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint8Array(s*r*2);fc.sizeDataTextureEdgeIndices+=o.byteLength,fc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_BYTE,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}createTextureFor16BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r*2);fc.sizeDataTextureEdgeIndices+=o.byteLength,fc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_SHORT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}createTextureFor32BitsEdgeIndices(e,t,i){if(0===i)return{texture:null,textureHeight:0};const s=4096,r=Math.ceil(i/2/s);if(0===r)throw"texture height===0";const o=new Uint32Array(s*r*2);fc.sizeDataTextureEdgeIndices+=o.byteLength,fc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];o.set(s,i),i+=s.length}const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RG_INTEGER,e.UNSIGNED_INT,o,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}createTextureForPositions(e,t,i){const s=i/3,r=4096,o=Math.ceil(s/r);if(0===o)throw"texture height===0";const n=new Uint16Array(r*o*3);fc.sizeDataTexturePositions+=n.byteLength,fc.numberOfTextures++;for(let e=0,i=0,s=t.length;e<s;e++){const s=t[e];n.set(s,i),i+=s.length}const a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,o),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,o,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,a,r,o)}createTextureForPackedPortionIds(e,t){if(0===t.length)return{texture:null,textureHeight:0};const i=t.length,s=4096,r=Math.ceil(i/s);if(0===r)throw"texture height===0";const o=new Uint16Array(s*r);o.set(t,0),fc.sizeDataTexturePortionIds+=o.byteLength,fc.numberOfTextures++;const n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,s,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,r,e.RED_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new zA(e,n,s,r)}}const mc=new Jn,_c=mc.maxDataTextureHeight,vc=d.vec4(),bc=new Float32Array(16),yc=new Uint8Array(4),Bc=new Float32Array(3);let wc=0;const Pc=d.identityMat4();class xc{constructor(e,t){fc.numberOfLayers++,this._layerNumber=wc++,this.sortId=`TriDTX-${this._layerNumber}`,this.layerIndex=t.layerIndex,this._renderers=function(e){const t=e.id;let i=uc[t];return i||(i=new cc(e),uc[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(()=>{i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(()=>{delete uc[t],i._destroy()}))),i}(e.scene),this.model=e,this._buffer=new dc,this._dtxState=new pc,this._dtxTextureFactory=new gc,this._state=new kt({origin:d.vec3(t.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=d.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=t.primitive,this._finalized=!1}get aabb(){if(this.aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._meshes.length;e<t;e++)d.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}canCreatePortion(e){if(this._finalized)throw"Already finalized";const t=e.buckets.length;this._numPortions+t>65536&&fc.cannotCreatePortion.because10BitsObjectId++;let i=this._numPortions+t<=65536;const s=void 0!==e.geometryId&&null!==e.geometryId?`${e.geometryId}#0`:`${e.id}#0`;if(!this._bucketGeometries[s]){const t=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits);let s=0,r=0;e.buckets.forEach((e=>{s+=e.positionsCompressed.length/3,r+=e.indices.length/3})),(this._state.numVertices+s>4096*_c||t+r>4096*_c)&&fc.cannotCreatePortion.becauseTextureSize++,i&&=this._state.numVertices+s<=4096*_c&&t+r<=4096*_c}return i}createPortion(e,t){if(this._finalized)throw"Already finalized";const i=[];t.buckets.forEach(((e,s)=>{const r=void 0!==t.geometryId&&null!==t.geometryId?`${t.geometryId}#${s}`:`${t.id}#${s}`;let o=this._bucketGeometries[r];o||(o=this._createBucketGeometry(t,e),this._bucketGeometries[r]=o);const n=this._createSubPortion(t,o,e);i.push(n)}));const s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(i),this.model.numPortions++,this._meshes.push(e),s}_createBucketGeometry(e,t){if(t.indices){const e=8*Math.ceil(t.indices.length/3/8)*3;fc.overheadSizeAlignementIndices+=2*(e-t.indices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.indices),t.indices=i}if(t.edgeIndices){const e=8*Math.ceil(t.edgeIndices.length/2/8)*2;fc.overheadSizeAlignementEdgeIndices+=2*(e-t.edgeIndices.length);const i=new Uint32Array(e);i.fill(0),i.set(t.edgeIndices),t.edgeIndices=i}const i=t.positionsCompressed,s=t.indices,r=t.edgeIndices,o=this._buffer;o.positionsCompressed.push(i);const n=o.lenPositionsCompressed/3,a=i.length/3;let l;o.lenPositionsCompressed+=i.length;let A,h=0;if(s){let e;h=s.length/3,a<=256?(e=o.indices8Bits,l=o.lenIndices8Bits/3,o.lenIndices8Bits+=s.length):a<=65536?(e=o.indices16Bits,l=o.lenIndices16Bits/3,o.lenIndices16Bits+=s.length):(e=o.indices32Bits,l=o.lenIndices32Bits/3,o.lenIndices32Bits+=s.length),e.push(s)}let c=0;if(r){let e;c=r.length/2,a<=256?(e=o.edgeIndices8Bits,A=o.lenEdgeIndices8Bits/2,o.lenEdgeIndices8Bits+=r.length):a<=65536?(e=o.edgeIndices16Bits,A=o.lenEdgeIndices16Bits/2,o.lenEdgeIndices16Bits+=r.length):(e=o.edgeIndices32Bits,A=o.lenEdgeIndices32Bits/2,o.lenEdgeIndices32Bits+=r.length),e.push(r)}this._state.numVertices+=a,fc.numberOfGeometries++;return{vertexBase:n,numVertices:a,numTriangles:h,numEdges:c,indicesBase:l,edgeIndicesBase:A}}_createSubPortion(e,t,i,s){const r=e.color;e.metallic,e.roughness;const o=e.colors,n=e.opacity,a=e.meshMatrix,l=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(a||Pc),A.perObjectSolid.push(!!e.solid),o?A.perObjectColors.push([255*o[0],255*o[1],255*o[2],255]):r&&A.perObjectColors.push([r[0],r[1],r[2],n]),A.perObjectPickColors.push(l),A.perObjectVertexBases.push(t.vertexBase);{let e;e=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(e/3-t.indicesBase)}{let e;e=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(e/2-t.edgeIndicesBase)}const c=this._subPortions.length;if(t.numTriangles>0){let e,i=3*t.numTriangles;t.numVertices<=256?(e=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=i,fc.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(e=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=i,fc.totalPolygons16Bits+=t.numTriangles):(e=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=i,fc.totalPolygons32Bits+=t.numTriangles),fc.totalPolygons+=t.numTriangles;for(let i=0;i<t.numTriangles;i+=8)e.push(c)}if(t.numEdges>0){let e,i=2*t.numEdges;t.numVertices<=256?(e=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=i,fc.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(e=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=i,fc.totalEdges16Bits+=t.numEdges):(e=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=i,fc.totalEdges32Bits+=t.numEdges),fc.totalEdges+=t.numEdges;for(let i=0;i<t.numEdges;i+=8)e.push(c)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[c]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,fc.numberOfPortions++,c}finalize(){if(this._finalized)return;const e=this._state,t=this._dtxState,i=this.model.scene.canvas.gl,s=this._buffer;e.gl=i,t.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(i,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),t.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(i,s.perObjectInstancePositioningMatrices),t.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(i,s.perObjectPositionsDecodeMatrices),t.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(i,s.positionsCompressed,s.lenPositionsCompressed),t.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId8Bits),t.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId16Bits),t.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(t.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(t.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(t.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(i,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(t.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(i,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(t.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(i,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(t.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(i,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(t.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(i,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(t.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(i,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(t.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(i,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),t.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(()=>{this._deferredSetFlagsDirty&&this._uploadDeferredFlags(),this._numUpdatesInFrame=0}))}isEmpty(){return 0===this._numPortions}initFlags(e,t,i){t&re&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&he&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&Ae&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&ce&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&ae&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&ue&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&ne&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&oe&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}flushInitFlags(){this._setDeferredFlags(),this._setDeferredFlags2()}setVisible(e,t,i){if(!this._finalized)throw"Not finalized";t&re?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}setHighlighted(e,t,i){if(!this._finalized)throw"Not finalized";t&he?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}setXRayed(e,t,i){if(!this._finalized)throw"Not finalized";t&Ae?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}setSelected(e,t,i){if(!this._finalized)throw"Not finalized";t&ce?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}setEdges(e,t,i){if(!this._finalized)throw"Not finalized";t&ue?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}setClippable(e,t){if(!this._finalized)throw"Not finalized";t&ae?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}_beginDeferredFlags(){this._deferredSetFlagsActive=!0}_uploadDeferredFlags(){if(this._deferredSetFlagsActive=!1,!this._deferredSetFlagsDirty)return;this._deferredSetFlagsDirty=!1;const e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}setCulled(e,t,i){if(!this._finalized)throw"Not finalized";t&oe?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}setCollidable(e,t){if(!this._finalized)throw"Not finalized"}setPickable(e,t,i){if(!this._finalized)throw"Not finalized";t&ne?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}setColor(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetColor(i[e],t)}_subPortionSetColor(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;yc[0]=t[0],yc[1]=t[1],yc[2]=t[2],yc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(yc,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,s.RGBA_INTEGER,s.UNSIGNED_BYTE,yc))}setTransparent(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}_setFlags(e,t,i,s=!1){const r=this._portionToSubPortionsMap[e];for(let e=0,o=r.length;e<o;e++)this._subPortionSetFlags(r[e],t,i,s)}_subPortionSetFlags(e,t,i,s=!1){if(!this._finalized)throw"Not finalized";const r=!!(t&re),o=!!(t&Ae),n=!!(t&he),a=!!(t&ce),l=!!(t&ue),A=!!(t&ne),h=!!(t&oe);let c,u;c=!r||h||o||n&&!this.model.scene.highlightMaterial.glowThrough||a&&!this.model.scene.selectedMaterial.glowThrough?ln.NOT_RENDERED:i?ln.COLOR_TRANSPARENT:ln.COLOR_OPAQUE,u=!r||h?ln.NOT_RENDERED:a?ln.SILHOUETTE_SELECTED:n?ln.SILHOUETTE_HIGHLIGHTED:o?ln.SILHOUETTE_XRAYED:ln.NOT_RENDERED;let d=0;d=!r||h?ln.NOT_RENDERED:a?ln.EDGES_SELECTED:n?ln.EDGES_HIGHLIGHTED:o?ln.EDGES_XRAYED:l?i?ln.EDGES_COLOR_TRANSPARENT:ln.EDGES_COLOR_OPAQUE:ln.NOT_RENDERED;let p=r&&!h&&A?ln.PICK:ln.NOT_RENDERED;const f=this._dtxState,g=this.model.scene.canvas.gl;yc[0]=c,yc[1]=u,yc[2]=d,yc[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(yc,32*e+8),this._deferredSetFlagsActive||s?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),g.bindTexture(g.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),g.texSubImage2D(g.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,g.RGBA_INTEGER,g.UNSIGNED_BYTE,yc))}_setDeferredFlags(){}_setFlags2(e,t,i=!1){const s=this._portionToSubPortionsMap[e];for(let e=0,r=s.length;e<r;e++)this._subPortionSetFlags2(s[e],t,i)}_subPortionSetFlags2(e,t,i=!1){if(!this._finalized)throw"Not finalized";const s=t&ae?255:0,r=this._dtxState,o=this.model.scene.canvas.gl;yc[0]=s,yc[1]=0,yc[2]=1,yc[3]=2,r.texturePerObjectColorsAndFlags._textureData.set(yc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),o.bindTexture(o.TEXTURE_2D,r.texturePerObjectColorsAndFlags._texture),o.texSubImage2D(o.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,o.RGBA_INTEGER,o.UNSIGNED_BYTE,yc))}_setDeferredFlags2(){}setOffset(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetOffset(i[e],t)}_subPortionSetOffset(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;Bc[0]=t[0],Bc[1]=t[1],Bc[2]=t[2],i.texturePerObjectOffsets._textureData.set(Bc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectOffsets._texture),s.texSubImage2D(s.TEXTURE_2D,0,0,e,1,1,s.RGB,s.FLOAT,Bc))}setMatrix(e,t){const i=this._portionToSubPortionsMap[e];for(let e=0,s=i.length;e<s;e++)this._subPortionSetMatrix(i[e],t)}_subPortionSetMatrix(e,t){if(!this._finalized)throw"Not finalized";const i=this._dtxState,s=this.model.scene.canvas.gl;bc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(bc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),s.bindTexture(s.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),s.texSubImage2D(s.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,s.RGBA,s.FLOAT,bc))}getEachVertex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._state,s=this._portionToSubPortionsMap[e];if(s)for(let e=0,r=s.length;e<r;e++){const r=s[e],o=this._subPortionReadableGeometries[r],n=o.positionsCompressed,a=o.positionsDecodeMatrix;o.meshMatrix;const l=i.origin,A=l[0],h=l[1],c=l[2],u=vc;for(let e=0,i=n.length;e<i;e+=3)u[0]=n[e],u[1]=n[e+1],u[2]=n[e+2],u[3]=1,d.decompressPosition(u,a),d.mulMat4v4(this.model.worldMatrix,u,u),u[0]+=A,u[1]+=h,u[2]+=c,t(u)}else this.model.error("portion not found: "+e)}getEachIndex(e,t){if(!this.model.scene.readableGeometryEnabled)return;const i=this._portionToSubPortionsMap[e];if(i)for(let e=0,s=i.length;e<s;e++){const s=i[e],r=this._subPortionReadableGeometries[s].indices;for(let e=0,i=r.length;e<i;e++)t(r[e])}else this.model.error("portion not found: "+e)}drawColorOpaque(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ln.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}_updateBackfaceCull(e,t){const i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){const e=t.gl;i?e.disable(e.CULL_FACE):e.enable(e.CULL_FACE),t.backfaces=i}}drawColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ln.COLOR_TRANSPARENT))}drawDepth(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawSilhouetteXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_XRAYED))}drawSilhouetteHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_HIGHLIGHTED))}drawSilhouetteSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ln.SILHOUETTE_SELECTED))}drawEdgesColorOpaque(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ln.EDGES_COLOR_OPAQUE)}drawEdgesColorTransparent(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ln.EDGES_COLOR_TRANSPARENT)}drawEdgesHighlighted(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_HIGHLIGHTED)}drawEdgesSelected(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_SELECTED)}drawEdgesXRayed(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ln.EDGES_XRAYED)}drawOcclusion(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}drawShadow(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ln.COLOR_OPAQUE))}setPickMatrices(e,t){}drawPickMesh(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ln.PICK))}drawPickDepths(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ln.PICK))}drawSnapInit(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ln.PICK))}drawSnap(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ln.PICK))}drawPickNormals(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,ln.PICK))}destroy(){if(this._destroyed)return;const e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}class Cc{constructor(e){this.id=e.id,this.colorTexture=e.colorTexture,this.alphaCutoff=e.alphaCutoff,this.metallicRoughnessTexture=e.metallicRoughnessTexture,this.normalsTexture=e.normalsTexture,this.emissiveTexture=e.emissiveTexture,this.occlusionTexture=e.occlusionTexture}destroy(){}}class Mc{constructor(e){this.id=e.id,this.texture=e.texture}destroy(){this.texture&&(this.texture.destroy(),this.texture=null)}}const Ec={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class Fc{constructor(e,t,i){this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i}itemStart(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}itemEnd(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}itemError(e){void 0!==this.onError&&this.onError(e)}resolveURL(e){return this.urlModifier?this.urlModifier(e):e}setURLModifier(e){return this.urlModifier=e,this}addHandler(e,t){return this.handlers.push(e,t),this}removeHandler(e){const t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}getHandler(e){for(let t=0,i=this.handlers.length;t<i;t+=2){const i=this.handlers[t],s=this.handlers[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return s}return null}}const Ic=new Fc;class Dc{constructor(e){this.manager=void 0!==e?e:Ic,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(s,r){i.load(e,s,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}const Sc={};class Tc extends Dc{constructor(e){super(e)}load(e,t,i,s){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=Ec.get(e);if(void 0!==r)return this.manager.itemStart(e),I.scheduleTask((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==Sc[e])return void Sc[e].push({onLoad:t,onProgress:i,onError:s});Sc[e]=[],Sc[e].push({onLoad:t,onProgress:i,onError:s});const o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),n=this.mimeType,a=this.responseType;fetch(o).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;const i=Sc[e],s=t.body.getReader(),r=t.headers.get("Content-Length"),o=r?parseInt(r):0,n=0!==o;let a=0;const l=new ReadableStream({start(e){!function t(){s.read().then((({done:s,value:r})=>{if(s)e.close();else{a+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:n,loaded:a,total:o});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(s)}e.enqueue(r),t()}}))}()}});return new Response(l)}throw Error(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`)})).then((e=>{switch(a){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,n)));case"json":return e.json();default:if(void 0===n)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(n),i=t&&t[1]?t[1].toLowerCase():void 0,s=new TextDecoder(i);return e.arrayBuffer().then((e=>s.decode(e)))}}})).then((t=>{Ec.add(e,t);const i=Sc[e];delete Sc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onLoad&&s.onLoad(t)}})).catch((t=>{const i=Sc[e];if(void 0===i)throw this.manager.itemError(e),t;delete Sc[e];for(let e=0,s=i.length;e<s;e++){const s=i[e];s.onError&&s.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class Rc{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:s}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,s)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const s=this._getIdleWorker();-1!==s?(this._initWorker(s),this.workerStatus|=1<<s,this.workersResolve[s]=i,this.workers[s].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}destroy(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}let Lc=0;class Uc{constructor({viewer:e,transcoderPath:t,workerLimit:i}){this._transcoderPath=t||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new Rc,this._workerSourceURL="",i&&this._workerPool.setWorkerLimit(i);const s=e.capabilities;this._workerConfig={astcSupported:s.astcSupported,etc1Supported:s.etc1Supported,etc2Supported:s.etc2Supported,dxtSupported:s.dxtSupported,bptcSupported:s.bptcSupported,pvrtcSupported:s.pvrtcSupported},this._supportedFileTypes=["xkt2"]}_init(){if(!this._transcoderPending){const e=new Tc;e.setPath(this._transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new Tc;i.setPath(this._transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const s=i.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([t,s]).then((([e,t])=>{const i=Uc.BasisWorker.toString(),s=["/* constants */","let _EngineFormat = "+JSON.stringify(Uc.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(Uc.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(Uc.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this._workerSourceURL=URL.createObjectURL(new Blob([s])),this._transcoderBinary=t,this._workerPool.setWorkerCreator((()=>{const e=new Worker(this._workerSourceURL),t=this._transcoderBinary.slice(0);return e.postMessage({type:"init",config:this._workerConfig,transcoderBinary:t},[t]),e}))})),Lc>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),Lc++}return this._transcoderPending}transcode(e,t,i={}){return new Promise(((s,r)=>{const o=i;this._init().then((()=>this._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e))).then((e=>{const i=e.data,{mipmaps:o,width:n,height:a,format:l,type:A,error:h,dfdTransferFn:c,dfdFlags:u}=i;if("error"===A)return r(h);t.setCompressedData({mipmaps:o,props:{format:l,minFilter:1===o.length?1006:1008,magFilter:1===o.length?1006:1008,encoding:2===c?3001:3e3,premultiplyAlpha:!!(1&u)}}),s()}))}))}destroy(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),Lc--}}Uc.BasisFormat={ETC1S:0,UASTC_4x4:1},Uc.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},Uc.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},Uc.BasisWorker=function(){let e,t,i;const s=_EngineFormat,r=_TranscoderFormat,o=_BasisFormat;self.addEventListener("message",(function(n){const h=n.data;switch(h.type){case"init":e=h.config,c=h.transcoderBinary,t=new Promise((e=>{i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f}=function(t){const n=new i.KTX2File(new Uint8Array(t));function h(){n.close(),n.delete()}if(!n.isValid())throw h(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");const c=n.isUASTC()?o.UASTC_4x4:o.ETC1S,u=n.getWidth(),d=n.getHeight(),p=n.getLevels(),f=n.getHasAlpha(),g=n.getDFDTransferFunc(),m=n.getDFDFlags(),{transcoderFormat:_,engineFormat:v}=function(t,i,n,h){let c,u;const d=t===o.ETC1S?a:l;for(let s=0;s<d.length;s++){const r=d[s];if(e[r.if]&&(r.basisFormat.includes(t)&&!(h&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||A(i)&&A(n))))return c=r.transcoderFormat[h?1:0],u=r.engineFormat[h?1:0],{transcoderFormat:c,engineFormat:u}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),c=r.RGBA32,u=s.RGBAFormat,{transcoderFormat:c,engineFormat:u}}(c,u,d,f);if(!u||!d||!p)throw h(),new Error("KTX2TextureTranscoder: Invalid texture");if(!n.startTranscoding())throw h(),new Error("KTX2TextureTranscoder: .startTranscoding failed");const b=[];for(let e=0;e<p;e++){const t=n.getImageLevelInfo(e,0,0),i=t.origWidth,s=t.origHeight,r=new Uint8Array(n.getImageTranscodedSizeInBytes(e,0,0,_));if(!n.transcodeImage(r,e,0,0,_,0,-1,-1))throw h(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:r,width:i,height:s})}return h(),{width:u,height:d,hasAlpha:f,mipmaps:b,format:v,dfdTransferFn:g,dfdFlags:m}}(h.buffers[0]),g=[];for(let e=0;e<u.length;++e)g.push(u[e].data.buffer);self.postMessage({type:"transcode",id:h.id,width:t,height:n,hasAlpha:c,mipmaps:u,format:d,dfdTransferFn:p,dfdFlags:f},g)}catch(e){console.error(`[KTX2TextureTranscoder.BasisWorker]: ${e}`),self.postMessage({type:"error",id:h.id,error:e.message})}}))}var c}));const n=[{if:"astcSupported",basisFormat:[o.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[s.RGBA_ASTC_4x4_Format,s.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[s.RGBA_BPTC_Format,s.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[s.RGB_S3TC_DXT1_Format,s.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[s.RGB_ETC2_Format,s.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[s.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[o.ETC1S,o.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[s.RGB_PVRTC_4BPPV1_Format,s.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=n.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=n.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function A(e){return e<=2||0==(e&e-1)&&0!==e}};const Oc={};function kc(e){const t=e.scene.id;let i=Oc[t];return i||(i=new Uc({viewer:e}),Oc[t]=i,e.scene.on("destroyed",(()=>{delete Oc[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -10,11 +10,11 @@ class e{constructor(e,t){this.items=e||[],this._lastUniqueId=(t||0)+1}addItem(){
  * The time is O(N logN) with the number of positionsCompressed due to a pre-sorting
  * step, but is much more GC-friendly and actually faster than the classic O(N)
  * approach based in keeping a hash-based LUT to identify unique positionsCompressed.
- */let kc=null;function Nc(e,t){let i;for(let s=0;s<3;s++)if(0!=(i=kc[3*e+s]-kc[3*t+s]))return i;return 0}let Qc=null;function Vc(e){const t=e.positionsCompressed,i=e.indices,s=e.edgeIndices;!function(e){if(!(null!==Qc&&Qc.length>=e)){Qc=new Uint32Array(e);for(let t=0;t<e;t++)Qc[t]=t}}(t.length/3);const r=Qc.slice(0,t.length/3),o=Qc.slice(0,t.length/3);kc=t,r.sort(Nc);let n=0;o[r[0]]=0;for(let e=1,t=r.length;e<t;e++)0!==Nc(r[e],r[e-1])&&n++,o[r[e]]=n;const a=new Uint16Array(3*(n+1));n=0,a[3*n+0]=t[3*r[0]+0],a[3*n+1]=t[3*r[0]+1],a[3*n+2]=t[3*r[0]+2];for(let e=1,i=r.length;e<i;e++)0!==Nc(r[e],r[e-1])&&(n++,a[3*n+0]=t[3*r[e]+0],a[3*n+1]=t[3*r[e]+1],a[3*n+2]=t[3*r[e]+2]),o[r[e]]=n;kc=null;const l=new Uint32Array(i.length);for(let e=0,t=i.length;e<t;e++)l[e]=o[i[e]];const A=new Uint32Array(s.length);for(let e=0,t=s.length;e<t;e++)A[e]=o[s[e]];return[a,l,A]}
+ */let Nc=null;function Qc(e,t){let i;for(let s=0;s<3;s++)if(0!=(i=Nc[3*e+s]-Nc[3*t+s]))return i;return 0}let Vc=null;function Hc(e){const t=e.positionsCompressed,i=e.indices,s=e.edgeIndices;!function(e){if(!(null!==Vc&&Vc.length>=e)){Vc=new Uint32Array(e);for(let t=0;t<e;t++)Vc[t]=t}}(t.length/3);const r=Vc.slice(0,t.length/3),o=Vc.slice(0,t.length/3);Nc=t,r.sort(Qc);let n=0;o[r[0]]=0;for(let e=1,t=r.length;e<t;e++)0!==Qc(r[e],r[e-1])&&n++,o[r[e]]=n;const a=new Uint16Array(3*(n+1));n=0,a[3*n+0]=t[3*r[0]+0],a[3*n+1]=t[3*r[0]+1],a[3*n+2]=t[3*r[0]+2];for(let e=1,i=r.length;e<i;e++)0!==Qc(r[e],r[e-1])&&(n++,a[3*n+0]=t[3*r[e]+0],a[3*n+1]=t[3*r[e]+1],a[3*n+2]=t[3*r[e]+2]),o[r[e]]=n;Nc=null;const l=new Uint32Array(i.length);for(let e=0,t=i.length;e<t;e++)l[e]=o[i[e]];const A=new Uint32Array(s.length);for(let e=0,t=s.length;e<t;e++)A[e]=o[s[e]];return[a,l,A]}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/let Hc=null;function jc(e,t){const i=3*e,s=3*t;let r,o,n,a,l,A;const h=Math.min(r=Hc[i],o=Hc[i+1],n=Hc[i+2]),c=Math.min(a=Hc[s],l=Hc[s+1],A=Hc[s+2]);if(h!==c)return h-c;const u=Math.max(r,o,n),d=Math.max(a,l,A);return u!==d?u-d:0}let Gc=null;function zc(e,t){let i=Gc[2*e]-Gc[2*t];return 0!==i?i:Gc[2*e+1]-Gc[2*t+1]}function Kc(e,t,i=!1){const s=e.positionsCompressed||[],r=function(e,t){const i=new Int32Array(e.length/3);for(let e=0,t=i.length;e<t;e++)i[e]=e;Hc=new Int32Array(e.length);for(let i=0,s=e.length;i<s;i++)Hc[i]=e[i]>>t;i.sort(jc);const s=new Int32Array(e.length);for(let t=0,r=i.length;t<r;t++)s[3*t+0]=e[3*i[t]+0],s[3*t+1]=e[3*i[t]+1],s[3*t+2]=e[3*i[t]+2];return s}(e.indices||[],t),o=function(e){if(0===(e||[]).length)return[];let t=new Int32Array(e.length/2);for(let e=0,i=t.length;e<i;e++)t[e]=e;for(let t=0,i=e.length;t<i;t+=2)if(e[t]>e[t+1]){let i=e[t];e[t]=e[t+1],e[t+1]=i}Gc=new Int32Array(e),t.sort(zc);const i=new Int32Array(e.length);for(let s=0,r=t.length;s<r;s++)i[2*s+0]=e[2*t[s]+0],i[2*s+1]=e[2*t[s]+1];return i}(e.edgeIndices||[]);function n(e,t){if(e>t){let i=e;e=t,t=i}function i(i,s){return i!==e?e-i:s!==t?t-s:0}let s=0,r=(o.length>>1)-1;for(;s<=r;){const e=r+s>>1,t=i(o[2*e],o[2*e+1]);if(t>0)s=e+1;else{if(!(t<0))return e;r=e-1}}return-s-1}const a=new Int32Array(o.length/2);a.fill(0);const l=s.length/3;if(l>8*(1<<t))return[e];const A=new Int32Array(l);A.fill(-1);const h=[];function c(){A.fill(-1);const e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:h.length};return h.push(e),e}let u=c();for(let t=0,i=r.length;t<i;t+=3){let i=0;const l=r[t],h=r[t+1],d=r[t+2];if(-1===A[l]&&i++,-1===A[h]&&i++,-1===A[d]&&i++,i+u.numPositions>u.maxNumPositions&&(u=c()),u.bucketNumber>8)return[e];let p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const Wc=d.vec4(4),Xc=d.vec4(),Jc=d.vec4(),Yc=d.vec3([1,0,0]),Zc=d.vec3([0,1,0]),qc=d.vec3([0,0,1]);d.vec3(3),d.vec3(3);const $c=d.identityMat4();class eu{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=d.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=d.identityMat4(new Float32Array(16)),this._worldMatrix=d.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||$c),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Wc[0]=e[0],Wc[1]=e[1],Wc[2]=e[2],Wc[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Wc,Xc),d.mulQuaternions(this.quaternion,Xc,Jc),this.quaternion=Jc,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return Wc[0]=e[0],Wc[1]=e[1],Wc[2]=e[2],Wc[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Wc,Xc),d.mulQuaternions(Xc,this.quaternion,Xc),this}rotateX(e){return this.rotate(Yc,e)}rotateY(e){return this.rotate(Zc,e)}rotateZ(e){return this.rotate(qc,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)d.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const tu=d.vec3(),iu=d.OBB3(),su=d.vec4(),ru=d.vec3([1,1,1]),ou=d.vec3([0,0,0]);d.vec3([0,0,0]);const nu=d.identityQuaternion(),au=d.identityMat4(),lu=new Uint8Array([255,255,255]);class Au extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(nn++,on),this._textureTranscoder=t.textureTranscoder||Oc(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=d.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new Sr,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=d.vec3(t.origin||[0,0,0]),this._position=d.vec3(t.position||[0,0,0]),this._rotation=d.vec3(t.rotation||[0,0,0]),this._quaternion=d.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=d.vec4(t.quaternion||[0,0,0,1]),t.rotation&&d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=d.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=d.mat4(),this._worldRotationMatrixConjugate=d.mat4(),this._matrix=d.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=d.mat4(),d.inverseMat4(this._matrix,this._worldNormalMatrix),d.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=d.mat4(),this._viewNormalMatrix=d.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new Cc({id:"defaultColorTexture",texture:new mo({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new Cc({id:"defaultMetalRoughTexture",texture:new mo({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new Cc({id:"defaultNormalsTexture",texture:new mo({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new Cc({id:"defaultEmissiveTexture",texture:new mo({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new Cc({id:"defaultOcclusionTexture",texture:new mo({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new xc({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||au),d.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),d.scaleMat4v(this._scale,this._worldRotationMatrix),d.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}get rotationMatrixConjugate(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}_rebuildViewMatrices(){this._rebuildMatrices(),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}get viewMatrix(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)d.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:ea(e.aabb,d.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ea(e.positionsDecodeBoundary,d.mat4())),e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=$n(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),d.expandAABB3Points3(t,e.positionsCompressed),gi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=d.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&gi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Ai(e.positions,e.indices,null,5):e.edgeIndices=Ai(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=gi.getUVBounds(e.uv),i=gi.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new mo({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;if(t.crossOrigin="Anonymous",t.compressed){const e=t.data;l.setCompressedData({mipmaps:e,props:{format:e[0].format,minFilter:i,magFilter:s}})}else l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?y.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new Cc({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new xc({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new eu({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||ru,i=e.position||ou;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",su),e.meshMatrix=d.composeMat4(i,su,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||nu,t,d.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ea(e.positionsDecodeBoundary,d.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):lu,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=d.vec3(),i=[];te(e.positions,i,t)&&(e.positions=i,e.origin=d.addVec3(e.origin,t,t))}if(e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=$n(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),gi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=d.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&gi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,iu),d.transformOBB3(e.meshMatrix,iu),d.OBB3ToAABB3(iu,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Ai(e.positions,e.indices,null,2):e.edgeIndices=Ai(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=hu(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];te(e.positions,t,tu)&&(e.positions=t,e.origin=d.addVec3(e.origin,tu,d.vec3()))}if(e.positions){const t=d.collapseAABB3();e.meshMatrix&&(d.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),d.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),gi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,iu),d.transformOBB3(e.meshMatrix,iu),d.OBB3ToAABB3(iu,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=Ai(e.positions,e.indices,null,2):e.edgeIndices=Ai(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||ru,i=e.position||ou;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",su),e.meshMatrix=d.composeMat4(i,su,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||nu,t,d.mat4())}d.AABB3ToOBB3(e.geometry.aabb,iu),d.transformOBB3(e.meshMatrix,iu),e.aabb=d.OBB3ToAABB3(iu,d.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):lu,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=hu(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):lu,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new rn(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=d.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new Pc(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new eh(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new da({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new wl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new hA({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new rl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new rl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new jl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new LA({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=d.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=d.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;return this._visible&&!1!==e.visible&&(t|=re),this._pickable&&!1!==e.pickable&&(t|=ne),this._culled&&!1!==e.culled&&(t|=oe),this._clippable&&!1!==e.clippable&&(t|=ae),this._collidable&&!1!==e.collidable&&(t|=le),this._edges&&!1!==e.edges&&(t|=ue),this._xrayed&&!1!==e.xrayed&&(t|=Ae),this._highlighted&&!1!==e.highlighted&&(t|=he),this._selected&&!1!==e.selected&&(t|=ce),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new fe(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++,i}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${d.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==nn&&(nn--,0===nn&&on._clear()),super.destroy()}}function hu(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=Vc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=Kc({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class cu extends R{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new Au(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const uu=d.vec3(),du=d.vec3(),pu=d.vec3(),fu=d.vec3();class gu extends z{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=d.normalizeVec3(d.subVec3(i.look,i.eye,d.vec3())),a=i.eye,l=i.up;i.yUp&&(n=vu(n),a=vu(a),l=vu(l));const A=mu(d.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:mu(n),camera_up_vector:mu(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:mu(n),camera_up_vector:mu(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?d.negateVec3(t.dir,d.vec3()):t.dir,i.yUp&&(a=vu(a),n=vu(n)),d.addVec3(a,s),a=mu(a),n=mu(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const u=t.bitmaps;for(let e in u)if(u.hasOwnProperty(e)){let t=u[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=vu(r),n=vu(n),a=vu(a)),d.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:mu(r),normal:mu(n),up:mu(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),f=new Set(t.xrayedObjectIds),g=new Set(t.colorizedObjectIds),m=Object.values(t.objects).filter((e=>p.has(e.id)||g.has(e.id)||f.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(m).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,y=t.visibleObjectIds,B=v.filter((e=>!b[e])),w=t.selectedObjectIds;return e.defaultInvisible||y.length<B.length?(o.components.visibility.exceptions=this._createBCFComponents(y),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(B),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(w),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=_u(e.location,uu),i=_u(e.direction,uu);A&&d.negateVec3(i),d.subVec3(t,l),r.yUp&&(t=bu(t),i=bu(i)),new Yr(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new cu(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=_u(e.location,du),n=_u(e.normal,pu),a=_u(e.up,fu),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=bu(o),n=bu(n),a=bu(a)),new No(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=_u(e.perspective_camera.camera_view_point,uu),A=_u(e.perspective_camera.camera_direction,uu),h=_u(e.perspective_camera.camera_up_vector,uu),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=_u(e.orthogonal_camera.camera_view_point,uu),A=_u(e.orthogonal_camera.camera_direction,uu),h=_u(e.orthogonal_camera.camera_up_vector,uu),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),d.subVec3(a,l),r.yUp&&(a=bu(a),A=bu(A),h=bu(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:d.addVec3(a,A,uu)}else A=d.addVec3(a,A,uu);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=d.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function mu(e){return{x:e[0],y:e[1],z:e[2]}}function _u(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function vu(e){return new Float64Array([e[0],-e[2],e[1]])}function bu(e){return new Float64Array([e[0],e[2],-e[1]])}const yu=d.vec3(),Bu=d.vec3(),wu=d.vec3();d.vec4(),d.vec4(),d.vec4();class Pu extends R{constructor(e,t={}){const i=e.viewer.scene;super(i,t),this.plugin=e;const s=t.container;if(!s)throw"config missing: container";this._color=t.color||e.defaultColor;const r=function(e,t){const i=[];let s=void 0!==e?Boolean(e):t;return{reg:e=>i.push(e),get:()=>s,set:e=>{s=void 0!==e?Boolean(e):t,i.forEach((e=>e(s)))}}};this._visible=r(t.visible,e.defaultVisible),this._originVisible=r(t.originVisible,e.defaultOriginVisible),this._targetVisible=r(t.targetVisible,e.defaultTargetVisible),this._axisVisible=r(t.axisVisible,e.defaultAxisVisible),this._xAxisVisible=r(t.xAxisVisible,e.defaultAxisVisible),this._yAxisVisible=r(t.yAxisVisible,e.defaultAxisVisible),this._zAxisVisible=r(t.zAxisVisible,e.defaultAxisVisible),this._axisEnabled=r(!0,e.defaultAxisVisible),this._wireVisible=r(t.wireVisible,e.defaultWireVisible),this._xLabelEnabled=r(t.xLabelEnabled,e.defaultXLabelEnabled),this._yLabelEnabled=r(t.yLabelEnabled,e.defaultYLabelEnabled),this._zLabelEnabled=r(t.zLabelEnabled,e.defaultZLabelEnabled),this._lengthLabelEnabled=r(t.lengthLabelEnabled,e.defaultLengthLabelEnabled),this._labelsVisible=r(t.labelsVisible,e.defaultLabelsVisible),this._clickable=r(!1,!1),this._labelsOnWires=r(t.labelsOnWires,e.defaultLabelsOnWires),this._useRotationAdjustment=r(t.useRotationAdjustment,e.useRotationAdjustment),this._axesBasis=d.identityMat4(),this.approximate=t.approximate;const o=i.canvas.canvas,n=t.onMouseOver?e=>{t.onMouseOver(e,this),o.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=t.onMouseLeave?e=>{t.onMouseLeave(e,this),o.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>o.dispatchEvent(new MouseEvent("mousedown",e)),h=e=>o.dispatchEvent(new MouseEvent("mouseup",e)),c=e=>o.dispatchEvent(new MouseEvent("mousemove",e)),u=e=>o.dispatchEvent(new WheelEvent("wheel",e));this._cleanups=[],["units","scale"].forEach((e=>{const t=i.metrics.on("units",(()=>this._update()));this._cleanups.push((()=>i.metrics.off(t)))})),this._drawables=[];const p=(e,t)=>{const i=()=>e.setVisible(t.every((e=>e.get())));t.forEach((e=>e.reg(i))),this._drawables.push(e),this._cleanups.push((()=>e.destroy()))},f=(t,r,o)=>{const d=new Oe(i,s,{color:t,thickness:r,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return p(d,o),{setEnds:(e,t)=>d.setEnds(e,t),setColor:e=>d.setColor(e)}};this._lengthWire=f(this._color,2,[this._visible,this._wireVisible]),this._xAxisWire=f("red",1,[this._visible,this._axisEnabled,this._axisVisible,this._xAxisVisible]),this._yAxisWire=f("green",1,[this._visible,this._axisEnabled,this._axisVisible,this._yAxisVisible]),this._zAxisWire=f("blue",1,[this._visible,this._axisEnabled,this._axisVisible,this._zAxisVisible]);const g=(t,r,o)=>{const d=new Ue(i,s,{fillColor:t,zIndex:void 0!==e.zIndex?e.zIndex+r:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return p(d,o),{setFillColor:e=>d.setFillColor(e),setPosOnWire:(e,t,i,s)=>d.setPosOnWire(e,t,i,s),setPosBetween:(e,t,i)=>d.setPosBetween(e,t,i),setText:e=>d.setText(e.replace(/ /g,"&nbsp;"))}};this._lengthLabel=g(this._color,4,[this._visible,this._wireVisible,this._labelsVisible,this._clickable,this._axisEnabled,this._lengthLabelEnabled]),this._xAxisLabel=g("red",3,[this._visible,this._axisEnabled,this._axisVisible,this._xAxisVisible,this._labelsVisible,this._clickable,this._xLabelEnabled]),this._yAxisLabel=g("green",3,[this._visible,this._axisEnabled,this._axisVisible,this._yAxisVisible,this._labelsVisible,this._clickable,this._yLabelEnabled]),this._zAxisLabel=g("blue",3,[this._visible,this._axisEnabled,this._axisVisible,this._zAxisVisible,this._labelsVisible,this._clickable,this._zLabelEnabled]);const m=(t,r)=>{const o=new Le(i,t,s,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return o.on("worldPos",(()=>this._update())),p(o,r),o};this._originDot=m(t.origin,[this._visible,this._originVisible]),this._targetDot=m(t.target,[this._visible,this._targetVisible]),this._update()}_update(){if(!this._targetDot)return;const e=this._originDot.worldPos,t=this._targetDot.worldPos,i=this._axesBasis,s=d.subVec3(t,e,yu),r=d.transformVec3(i,s,s),o=this._useRotationAdjustment.get()&&Math.abs(s[1])>0,n=(i,s)=>{const r=this.plugin.viewer.scene.metrics,n=r.scale,a=r.unitsInfo[r.units].abbrev,l=(i,s,r,o)=>{this._labelsOnWires.get()?i.setPosOnWire(s,r,0,this.plugin.labelMinAxisLength):i.setPosOnWire(e,t,35*o,0)},A=e=>(this._approximate?" ~ ":" = ")+e.toFixed(2)+a;this._xAxisWire.setEnds(e,i),l(this._xAxisLabel,e,i,1),this._xAxisLabel.setText("X"+A(d.distVec3(e,i)*n)),this._yAxisWire.setEnds(i,s),l(this._yAxisLabel,i,s,2),this._yAxisLabel.setText("Y"+A(d.distVec3(i,s)*n)),this._zAxisWire.setEnds(s,t),l(this._zAxisLabel,s,t,3),this._zAxisLabel.setText((o?"":"Z")+A(d.distVec3(s,t)*n)),this._lengthWire.setEnds(e,t),l(this._lengthLabel,e,t,0),this._length=d.distVec3(e,t)*n,this._lengthLabel.setText(A(this._length))};o?(wu[0]=e[0],wu[1]=t[1],wu[2]=e[2],n(e,wu)):(Bu[0]=e[0]+i[0]*r[0],Bu[1]=e[1]+i[4]*r[0],Bu[2]=e[2]+i[8]*r[0],wu[0]=Bu[0]+i[1]*r[1],wu[1]=Bu[1]+i[5]*r[1],wu[2]=Bu[2]+i[9]*r[1],n(Bu,wu))}set axesBasis(e){this._axesBasis.set(e),this._update()}get axesBasis(){return this._axesBasis}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){return this._length}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){this._visible.set(e)}get visible(){return this._visible.get()}set originVisible(e){this._originVisible.set(e)}get originVisible(){return this._originVisible.get()}set targetVisible(e){this._targetVisible.set(e)}get targetVisible(){return this._targetVisible.get()}set useRotationAdjustment(e){this._useRotationAdjustment.set(e),this._update()}get useRotationAdjustment(){return this._useRotationAdjustment.get()}set axisEnabled(e){this._axisEnabled.set(e)}get axisEnabled(){return this._axisEnabled.get()}set axisVisible(e){this._axisVisible.set(e)}get axisVisible(){return this._axisVisible.get()}set xAxisVisible(e){this._xAxisVisible.set(e)}get xAxisVisible(){return this._xAxisVisible.get()}set yAxisVisible(e){this._yAxisVisible.set(e)}get yAxisVisible(){return this._yAxisVisible.get()}set zAxisVisible(e){this._zAxisVisible.set(e)}get zAxisVisible(){return this._zAxisVisible.get()}set wireVisible(e){this._wireVisible.set(e)}get wireVisible(){return this._wireVisible.get()}set labelsVisible(e){this._labelsVisible.set(e)}get labelsVisible(){return this._labelsVisible.get()}set xLabelEnabled(e){this._xLabelEnabled.set(e)}get xLabelEnabled(){return this._xLabelEnabled.get()}set yLabelEnabled(e){this._yLabelEnabled.set(e)}get yLabelEnabled(){return this._yLabelEnabled.get()}set zLabelEnabled(e){this._zLabelEnabled.set(e)}get zLabelEnabled(){return this._zLabelEnabled.get()}set lengthLabelEnabled(e){this._lengthLabelEnabled.set(e)}get lengthLabelEnabled(){return this._lengthLabelEnabled.get()}set labelsOnWires(e){this._labelsOnWires.set(e),this._update()}get labelsOnWires(){return this._labelsOnWires.get()}setHighlighted(e){this._drawables.forEach((t=>t.setHighlighted(e)))}set clickable(e){this._clickable.set(!!e),this._drawables.forEach((e=>e.setClickable(this._clickable.get())))}get clickable(){return this._clickable.get()}destroy(){this._cleanups.forEach((e=>e())),super.destroy()}}class xu extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Cu extends xu{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=d.vec3(),n=d.vec2();let a,l;let A=null;this._mouseState=0;const h=d.vec2(),c=e=>{const t=e.snappedCanvasPos||e.canvasPos;if(r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState){if(this._canvasToPagePos)this._canvasToPagePos(s,t,h),this._markerDiv.style.left=h[0]-5+"px",this._markerDiv.style.top=h[1]-5+"px";else{const e=d.vec2(t);De(s,this._markerDiv.parentNode,e),this._markerDiv.style.left=e[0]-5+"px",this._markerDiv.style.top=e[1]-5+"px"}this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity}else this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px";s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&c(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||c(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const u=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&u(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||u(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Mu extends z{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultXLabelEnabled=!1!==t.defaultXLabelEnabled,this.defaultYLabelEnabled=!1!==t.defaultYLabelEnabled,this.defaultZLabelEnabled=!1!==t.defaultZLabelEnabled,this.defaultLengthLabelEnabled=!1!==t.defaultLengthLabelEnabled,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this.useRotationAdjustment=void 0!==t.useRotationAdjustment&&!1!==t.useRotationAdjustment,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new Cu(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}set useRotationAdjustment(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new Pu(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==e.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==e.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==e.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==e.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}class Eu extends xu{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._attachPlugin(e,t)}_attachPlugin(e){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),c(),this._touchState=0};i.addEventListener("touchstart",this._onCanvasTouchStart=l=>{const c=l.touches.length;if(1!==c)return void(o&&(clearTimeout(o),o=null));const p=l.touches[0],f=i.getBoundingClientRect(),g=p.clientX-f.left,m=p.clientY-f.top;switch(n.set([g,m]),a.set([g,m]),this._touchState){case 0:if(1!==c&&null!==o)return void u();const i=t.pick({canvasPos:a,snapping:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(i.snappedCanvasPos);else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(e.canvasPos)}o=setTimeout((()=>{1!==c||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=s:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:s,entity:i.entity},target:{worldPos:s,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=p.identifier;break;case 3:if(1!==c&&null!==o)return clearTimeout(o),void(o=null);1===c&&(o=setTimeout((()=>{if(o=null,1!==c||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(e.snappedCanvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(e.canvasPos),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=p.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(r=>{this.pointerCircle.stop();const n=r.touches.length;if(1!==n||1!==r.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const l=r.touches[0],h=i.getBoundingClientRect(),c=l.clientX-h.left,u=l.clientY-h.top;if(l.identifier!==A)return;let p,f;switch(a.set([c,u]),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),p=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),p&&p.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=p.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(p.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=p.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:p.worldPos,entity:p.entity},target:{worldPos:p.worldPos,entity:p.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(f=t.pick({canvasPos:a,pickSurface:!0}),f&&f.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=f.canvasPos,this.pointerLens.snapped=!1),s.set(f.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=f.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:f.worldPos,entity:f.entity},target:{worldPos:f.worldPos,entity:f.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==n&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),p=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),p&&p.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=p.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement.target.worldPos=p.worldPos,this._currentDistanceMeasurement.target.entity=p.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0):(f=t.pick({canvasPos:a,pickSurface:!0}),f&&f.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=f.canvasPos,this.pointerLens.snapped=!1),this._currentDistanceMeasurement.target.worldPos=f.worldPos,this._currentDistanceMeasurement.target.entity=f.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0)),this._touchState=5}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=s=>{this.pointerCircle.stop();const h=s.changedTouches.length;if(1!==h)return;const u=s.changedTouches[0],p=i.getBoundingClientRect(),f=u.clientX-p.left,g=u.clientY-p.top;if(u.identifier===A)switch(o&&(clearTimeout(o),o=null),l.set([f,g]),this._touchState){case 1:{if(1!==h||f>n[0]+r||f<n[0]-r||g>n[1]+r||g<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1,this._touchState=3,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(this._currentDistanceMeasurement&&this._currentDistanceMeasurement.destroy(),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==h||f>n[0]+r||f<n[0]-r||g>n[1]+r||g<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this._currentDistanceMeasurement.xAxisVisible=!0,this._currentDistanceMeasurement.yAxisVisible=!0,this._currentDistanceMeasurement.zAxisVisible=!0,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0}c();break;case 5:console.log("long touch"),this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement&&this._currentDistanceMeasurement.targetVisible?(this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,this._touchState=0):(this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Fu extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=Ne({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Iu extends Fu{constructor(e,t){super(e,t,!0,!1)}}class Du extends Fu{constructor(e,t){super(e,t,!1,!0)}}class Su extends z{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._originalCanvasResolutionScale=e.scene.canvas.resolutionScale,this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor||this._originalCanvasResolutionScale||1,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class Tu{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);I.scheduleTask((function(){i(e)}))}catch(e){I.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class Ru{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=Lu(e,i);return s?t?Uu(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=Lu(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=Uu(r,[t]),i&&(r=Uu(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function Lu(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function Uu(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class Ou extends R{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=d.subVec3(o,r,[]);return d.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=d.lenVec3(d.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class ku extends Ou{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=d.vec3();return A[0]=d.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=d.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=d.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const Nu=d.vec3();class Qu extends R{get type(){return"CameraPath"}constructor(e,t={}){super(e,t),this._frames=[],this._eyeCurve=new ku(this),this._lookCurve=new ku(this),this._upCurve=new ku(this),t.frames&&(this.addFrames(t.frames),this.smoothFrameTimes(1))}get frames(){return this._frames}get eyeCurve(){return this._eyeCurve}get lookCurve(){return this._lookCurve}get upCurve(){return this._upCurve}saveFrame(e){const t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}addFrame(e,t,i,s){const r={t:e,eye:t.slice(0),look:i.slice(0),up:s.slice(0)};this._frames.push(r),this._eyeCurve.points.push(r.eye),this._lookCurve.points.push(r.look),this._upCurve.points.push(r.up)}addFrames(e){let t;for(let i=0,s=e.length;i<s;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}loadFrame(e){const t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,Nu),t.look=this._lookCurve.getPoint(e,Nu),t.up=this._upCurve.getPoint(e,Nu)}sampleFrame(e,t,i,s){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,s)}smoothFrameTimes(e){if(0===this._frames.length)return;const t=d.vec3();var i=0;this._frames[0].t=0;const s=[];for(let e=1,o=this._frames.length;e<o;e++){var r=d.lenVec3(d.subVec3(this._frames[e].eye,this._frames[e-1].eye,t));s[e]=r,i+=r}for(let t=1,r=this._frames.length;t<r;t++){const r=s[t]/i*e;this._frames[t].t=this._frames[t-1].t+r}}clearFrames(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}const Vu=d.vec3(),Hu=d.vec3(),ju=d.vec3(),Gu=d.vec3(),zu=d.vec3();class Ku extends R{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=d.vec3(),this._eye1=d.vec3(),this._up1=d.vec3(),this._look2=d.vec3(),this._eye2=d.vec3(),this._up2=d.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((y.isNumeric(s)||y.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+y.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=d.getAABB3Center(o);this._look2=h||t;const i=d.subVec3(this._eye1,this._look1,Vu),s=d.normalizeVec3(i),r=h?d.getAABB3DiagPoint(o,h):d.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*d.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,I.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((y.isNumeric(t)||y.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+y.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?d.getAABB3DiagPoint(i,a):d.getAABB3Diag(i);let s;o=a||d.getAABB3Center(i,o),this._trail?d.subVec3(t.look,o,zu):d.subVec3(t.eye,t.look,zu),d.normalizeVec3(zu);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*d.DEGTORAD)):d.lenVec3(d.subVec3(t.eye,t.look,Vu)),d.mulVec3Scalar(zu,s),t.eye=d.addVec3(o,zu,Vu),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Ku._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(d.subVec3(s.eye,s.look,zu),s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,ju),s.look=d.subVec3(ju,zu,Hu)):this._flyingLook&&(s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Hu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Gu)):this._flyingEyeLookUp&&(s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,ju),s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Hu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Gu)),this._projection2){const t="ortho"===this._projection2?Ku._easeOutExpo(e,0,1,1):Ku._easeInCubic(e,0,1,1);s.customProjection.matrix=d.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();I.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Wu extends R{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Ku(this),this._t=0,this.state=Wu.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Wu.SCRUBBING:return;case Wu.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Wu.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Wu.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Wu.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Wu.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Wu.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Wu.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Wu.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Wu.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Wu.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Wu.STOPPED=0,Wu.SCRUBBING=1,Wu.PLAYING=2,Wu.PLAYING_TO=3;const Xu=d.vec3(),Ju=d.vec3();d.vec3();const Yu=d.vec3([0,-1,0]),Zu=d.vec4([0,0,0,1]);class qu extends R{constructor(e,t={}){super(e,t),this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new wo(this),this._plane=new jr(this,{geometry:new vi(this,Ro({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new Pi(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0}),clippable:t.clippable}),this._grid=new jr(this,{geometry:new vi(this,To({size:1,divisions:10})),material:new Pi(this,{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:t.clippable}),this._node=new no(this,{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[this._plane,this._grid]}),this._gridVisible=!1,this.visible=!0,this.gridVisible=t.gridVisible,this.position=t.position,this.rotation=t.rotation,this.dir=t.dir,this.size=t.size,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,t.image?this.image=t.image:this.src=t.src}set visible(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}get visible(){return this._plane.visible}set gridVisible(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}get gridVisible(){return this._gridVisible}set image(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set position(e){this._pos.set(e||[0,0,0]),ee(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}get position(){return this._pos}set rotation(e){this._node.rotation=e}get rotation(){return this._node.rotation}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set dir(e){if(this._dir.set(e||[0,0,-1]),e){const t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];d.subVec3(t,this.position,Xu);const s=-d.dotVec3(i,Xu);d.normalizeVec3(i),d.mulVec3Scalar(i,s,Ju),d.vec3PairToQuaternion(Yu,e,Zu),this._node.quaternion=Zu}}get dir(){return this._dir}set collidable(e){this._node.collidable=!1!==e}get collidable(){return this._node.collidable}set clippable(e){this._node.clippable=!1!==e}get clippable(){return this._node.clippable}set pickable(e){this._node.pickable=!1!==e}get pickable(){return this._node.pickable}set opacity(e){this._node.opacity=e}get opacity(){return this._node.opacity}destroy(){super.destroy()}_updatePlaneSizeFromImage(){const e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){const s=i/t;this._node.scale=[e,1,e*s]}else{const s=t/i;this._node.scale=[e*s,1,e]}}}class $u extends oi{get type(){return"PointLight"}constructor(e,t={}){super(e,t);const i=this;this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const s=this.scene.camera,r=this.scene.canvas;this._onCameraViewMatrix=s.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=s.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=r.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new Ot({type:"point",pos:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(i._shadowViewMatrixDirty){i._shadowViewMatrix||(i._shadowViewMatrix=d.identityMat4());const e=i._state.pos,t=s.look,r=s.up;d.lookAtMat4v(e,t,r,i._shadowViewMatrix),i._shadowViewMatrixDirty=!1}return i._shadowViewMatrix},getShadowProjMatrix:()=>{if(i._shadowProjMatrixDirty){i._shadowProjMatrix||(i._shadowProjMatrix=d.identityMat4());const e=i.scene.canvas.canvas;d.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,i._shadowProjMatrix),i._shadowProjMatrixDirty=!1}return i._shadowProjMatrix},getShadowRenderBuf:()=>(i._shadowRenderBuf||(i._shadowRenderBuf=new It(i.scene.canvas.canvas,i.scene.canvas.gl,{size:[1024,1024]})),i._shadowRenderBuf)}),this.pos=t.pos,this.color=t.color,this.intensity=t.intensity,this.constantAttenuation=t.constantAttenuation,this.linearAttenuation=t.linearAttenuation,this.quadraticAttenuation=t.quadraticAttenuation,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set pos(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get pos(){return this._state.pos}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set constantAttenuation(e){this._state.attenuation[0]=e||0,this.glRedraw()}get constantAttenuation(){return this._state.attenuation[0]}set linearAttenuation(e){this._state.attenuation[1]=e||0,this.glRedraw()}get linearAttenuation(){return this._state.attenuation[1]}set quadraticAttenuation(e){this._state.attenuation[2]=e||0,this.glRedraw()}get quadraticAttenuation(){return this._state.attenuation[2]}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}function ed(e){if(!td(e.width)||!td(e.height)){const t=document.createElement("canvas");t.width=id(e.width),t.height=id(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function td(e){return 0==(e&e-1)}function id(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class sd extends R{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new Ot({texture:new mo({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),m.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=ed(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new mo({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),m.memory.textures--,this._state.destroy()}}class rd extends sd{get type(){return"ReflectionMap"}constructor(e,t={}){super(e,t),this.scene._lightsState.addReflectionMap(this._state),this.scene._reflectionMapCreated(this)}destroy(){super.destroy(),this.scene._reflectionMapDestroyed(this)}}class od extends sd{get type(){return"LightMap"}constructor(e,t={}){super(e,t),this.scene._lightMapCreated(this)}destroy(){super.destroy(),this.scene._lightMapDestroyed(this)}}class nd extends _e{constructor(e,t={}){super(e,{entity:t.entity,occludable:t.occludable,worldPos:t.worldPos}),this._occluded=!1,this._visible=!0,this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new wo(this,{src:t.src}),this._geometry=new vi(this,{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),this._mesh=new jr(this,{geometry:this._geometry,material:new Pi(this,{ambient:[.9,.3,.9],shininess:30,diffuseMap:this._texture,backfaces:!0}),scale:[1,1,1],position:t.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),this.visible=!0,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,this.size=t.size,t.image?this.image=t.image:this.src=t.src}_setVisible(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,super._setVisible(e)}set visible(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}get visible(){return this._visible}set image(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set collidable(e){this._mesh.collidable=!1!==e}get collidable(){return this._mesh.collidable}set clippable(e){this._mesh.clippable=!1!==e}get clippable(){return this._mesh.clippable}set pickable(e){this._mesh.pickable=!1!==e}get pickable(){return this._mesh.pickable}set opacity(e){this._mesh.opacity=e}get opacity(){return this._mesh.opacity}_updatePlaneSizeFromImage(){const e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],s=i/t;this._geometry.positions=t>i?[e,e*s,0,-e,e*s,0,-e,-e*s,0,e,-e*s,0]:[e/s,e,0,-e/s,e,0,-e/s,-e,0,e/s,-e,0]}}class ad{constructor(e){this._eye=d.vec3(),this._look=d.vec3(),this._up=d.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const ld=d.vec3();class Ad{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?y.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(ld[0]=this.objectsColorize[3*e+0],ld[1]=this.objectsColorize[3*e+1],ld[2]=this.objectsColorize[3*e+2],t.colorize=ld),c&&(t.opacity=this.objectsOpacity[e]))}}}const hd=d.vec3();class cd{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?y.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(hd[0]=this.objectsColorize[3*c+0],hd[1]=this.objectsColorize[3*c+1],hd[2]=this.objectsColorize[3*c+2],t.colorize=hd):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class ud extends Ou{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.v3=t.v3,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set v3(e){this.fire("v3",this._v3=e||d.vec3([0,0,0]))}get v3(){return this._v3}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=d.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=d.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}class dd extends Ou{constructor(e,t={}){super(e,t),this._cachedLengths=[],this._dirty=!0,this._curves=[],this._t=0,this._dirtySubs=[],this._destroyedSubs=[],this.curves=t.curves||[],this.t=t.t}addCurve(e){this._curves.push(e),this._dirty=!0}set curves(e){var t,i,s;for(e=e||[],i=0,s=this._curves.length;i<s;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var r=this;function o(){r._dirty=!0}function n(){var e=this.id;for(i=0,s=r._curves.length;i<s;i++)if(r._curves[i].id===e)return r._curves=r._curves.slice(i,i+1),r._dirtySubs=r._dirtySubs.slice(i,i+1),r._destroyedSubs=r._destroyedSubs.slice(i,i+1),void(r._dirty=!0)}for(i=0,s=e.length;i<s;i++){if(t=e[i],y.isNumeric(t)||y.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",o)),this._destroyedSubs.push(t.once("destroyed",n))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}get curves(){return this._curves}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}get length(){var e=this._getCurveLengths();return e[e.length-1]}getPoint(e){for(var t,i=e*this.length,s=this._getCurveLengths(),r=0;r<s.length;){if(s[r]>=i){var o=1-(s[r]-i)/(t=this._curves[r]).length;return t.getPointAt(o)}r++}return null}_getCurveLengths(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,s=this._curves.length;for(e=0;e<s;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}_getJSON(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}destroy(){var e,t,i;for(super.destroy(),e=0,t=this._curves.length;e<t;e++)(i=this._curves[e]).off(this._dirtySubs[e]),i.off(this._destroyedSubs[e])}}class pd extends Ou{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=d.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=d.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}class fd extends Au{constructor(e,t={}){super(e,t)}}class gd extends R{constructor(e,t={}){super(e,t),this._skyboxMesh=new jr(this,{geometry:new vi(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new Pi(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new wo(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}class md{transcode(e,t,i={}){}destroy(){}}const _d=d.vec4(),vd=d.vec4(),bd=d.vec3(),yd=d.vec3(),Bd=d.vec3(),wd=d.vec4(),Pd=d.vec4(),xd=d.vec4();class Cd{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=d.subVec3(e,r.eye,bd);s=d.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,wd),o=d.subVec3(s,r.eye,xd),n=d.mulVec3Scalar(d.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=d.subVec3(e,r.eye,bd),i=d.lenVec3(t),s=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,yd)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,wd);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,Pd),o=d.subVec3(s,e,xd),n=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,bd)),-i,yd),a=d.addVec3(o,n,Bd);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o);return i.project.unproject(e,a,_d,vd,t),t}destroy(){}}const Md=d.vec3(),Ed=d.vec3(),Fd=d.vec3(),Id=d.vec4(),Dd=d.vec4(),Sd=d.vec4();class Td{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=d.vec3(),this._cameraOffset=d.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=d.vec3(),this._rtcPos=d.vec3(),this._pivotViewPos=d.vec4(),this._pivotProjPos=d.vec4(),this._pivotCanvasPos=d.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=d.vec3();d.decomposeMat4(d.inverseMat4(this._scene.viewer.camera.viewMatrix,d.mat4()),t,d.vec4(),d.vec3());const i=d.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),ee(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new Mo(this._scene,Kr({radius:s})),this._pivotSphere=new jr(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){d.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,d.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(ee(this.getPivotPos(),this._rtcCenter,this._rtcPos),d.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new Pi(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=d.lookAtMat4v(e.eye,e.look,e.worldUp);d.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=d.distVec3(e.eye,i),t=d.inverseMat4(t);const s=d.transformVec3(t,this._cameraOffset),r=d.vec3();if(d.subVec3(e.eye,i,r),d.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=d.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=d.normalizeVec3(d.subVec3(e.look,e.eye,Md)),i=d.cross3Vec3(t,e.worldUp,Ed);return d.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(d.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o),l=Id;t.project.unproject(e,a,Dd,Sd,l);const A=d.normalizeVec3(d.subVec3(l,t.eye,Md)),h=d.addVec3(t.eye,d.mulVec3Scalar(A,i,Ed),Fd);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=d.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=d.lenVec3(d.subVec3(i.look,i.eye,d.vec3())),a=this.getPivotPos();d.addVec3(o,a);let l=d.lookAtMat4v(o,a,i.worldUp);l=d.inverseMat4(l);const A=d.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],d.subVec3(i.eye,d.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class Rd{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=d.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new lt;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const Ld=d.vec2();class Ud{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a,l,A,h=0,c=0,u=0,p=0,f=!1;const g=d.vec3();let m=!0;const _=this._scene.canvas.canvas,v=[];function b(e=!0){h=s.pointerCanvasPos[0],c=s.pointerCanvasPos[1],u=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(f=!0,g.set(o.pickResult.worldPos)):f=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!1}),document.addEventListener("visibilitychange",this._onVisibilityChange=()=>{v.splice(0)}),window.addEventListener("blur",this._onBlur=()=>{v.splice(0)}),_.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:v[e.input.KEY_SHIFT]||i.planView?(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b()):(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b(!1));break;case 2:l=!0,v[e.input.MOUSE_MIDDLE_BUTTON]=!0,b();break;case 3:A=!0,v[e.input.MOUSE_RIGHT_BUTTON]=!0,i.panRightClick&&b()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!a&&!l&&!A)return;const o=e.canvas.boundary,u=o[2],p=o[3],m=s.pointerCanvasPos[0],_=s.pointerCanvasPos[1],b=i.planView||n._isKeyDownForAction(n.MOUSE_PAN,v),y=n._isKeyDownForAction(n.MOUSE_ROTATE,v),B=document.pointerLockElement?t.movementX:m-h,w=document.pointerLockElement?t.movementY:_-c;if(b){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(f?d.lenVec3(d.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*B*i/p,r.panDeltaY+=1.5*w*i/p}else r.panDeltaX+=.5*t.ortho.scale*(B/p),r.panDeltaY+=.5*t.ortho.scale*(w/p)}else y&&(i.planView||(i.firstPerson?(r.rotateDeltaY-=B/u*i.dragRotationRate/2,r.rotateDeltaX+=w/p*(i.dragRotationRate/4)):(r.rotateDeltaY-=B/u*(1.5*i.dragRotationRate),r.rotateDeltaX+=w/p*(1.5*i.dragRotationRate))));h=m,c=_}),_.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:case 2:case 3:a=!1,l=!1,A=!1,v[e.input.MOUSE_LEFT_BUTTON]=!1,v[e.input.MOUSE_MIDDLE_BUTTON]=!1,v[e.input.MOUSE_RIGHT_BUTTON]=!1}}),_.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Ld);const i=Ld[0],s=Ld[1];Math.abs(i-u)<3&&Math.abs(s-p)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Ld,event:e},!0)}_.style.removeProperty("cursor")}}),_.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const y=1/60;let B=null;_.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel&&n._isKeyDownForAction(n.MOUSE_DOLLY,v)))return;const t=performance.now()/1e3;var o=null!==B?t-B:0;B=t,o>.05&&(o=.05),o<y&&(o=y);const a=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===a)return;const l=a/Math.abs(a);r.dollyDelta+=-l*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Od=d.vec3(),kd=d.vec3(),Nd=d.vec3(),Qd=d.vec3(),Vd=d.vec3(),Hd={eye:d.vec3(),look:d.vec3(),up:d.vec3()};class jd{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const u=e.aabb,p=d.getAABB3Diag(u);d.getAABB3Center(u,Od);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*d.DEGTORAD)),g=1.1*p;Hd.orthoScale=g,n?(Hd.eye.set(d.addVec3(Od,d.mulVec3Scalar(o.worldRight,f,kd),Vd)),Hd.look.set(Od),Hd.up.set(o.worldUp)):a?(Hd.eye.set(d.addVec3(Od,d.mulVec3Scalar(o.worldForward,f,kd),Vd)),Hd.look.set(Od),Hd.up.set(o.worldUp)):l?(Hd.eye.set(d.addVec3(Od,d.mulVec3Scalar(o.worldRight,-f,kd),Vd)),Hd.look.set(Od),Hd.up.set(o.worldUp)):A?(Hd.eye.set(d.addVec3(Od,d.mulVec3Scalar(o.worldForward,-f,kd),Vd)),Hd.look.set(Od),Hd.up.set(o.worldUp)):h?(Hd.eye.set(d.addVec3(Od,d.mulVec3Scalar(o.worldUp,f,kd),Vd)),Hd.look.set(Od),Hd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,1,Nd),Qd))):c&&(Hd.eye.set(d.addVec3(Od,d.mulVec3Scalar(o.worldUp,-f,kd),Vd)),Hd.look.set(Od),Hd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,-1,Nd)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(Od),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Hd,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Hd),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Gd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},u=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=d.vec3(),i=d.vec3();d.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",u),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot(),this._lastClickedWorldPos=t.worldPos.slice()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):this._lastClickedWorldPos?n.setPivotPos(this._lastClickedWorldPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),u=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||u||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||u||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=d.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=d.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class zd{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[];e.canvas.canvas;let a=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{a=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,t.pivotController.getPivoting()&&t.pivotController.endPivot())})),document.addEventListener("visibilitychange",this._onVisibilityChange=()=>{n.splice(0)}),window.addEventListener("blur",this._onBlur=()=>{n.splice(0)}),this._onTick=e.on("tick",(l=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=l.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),a&&(s.followPointerDirty=!0,a=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),this._scene.input.off(this._onSceneKeyUp)}}const Kd=d.vec3();class Wd{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController,A=t.cameraControl;let h=1,c=1,u=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--h<=0&&(h=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?u=n.pickResult.worldPos:(c=1,u=null),s.followPointerDirty=!1),u){const t=Math.abs(d.lenVec3(d.subVec3(u,e.camera.eye,Kd)));c=t/i.dollyProximityThreshold}c<i.dollyMinSpeed&&(c=i.dollyMinSpeed)}}else c=1,u=null;const p=r.dollyDelta*c;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t=A._cursors.rotate),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=d.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t=A._cursors.pan}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==p){if(t=p<0?A._cursors.dollyForward:A._cursors.dollyBackward,i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);else if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Xd{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Jd(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Jd(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Jd(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const Yd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class Zd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=d.vec2(),l=d.vec2(),A=d.vec2(),h=d.vec2(),c=[],u=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),u.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(Yd(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(d.vec2());for(let e=0,t=r.length;e<t;++e)Yd(r[e],c[e]);p=r.length}),u.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&(n.endPivot(),n.hidePivot())}),u.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],u=n[3],g=t.touches;if(t.touches.length===p){if(1===p){Yd(g[0],l),d.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/u*i.touchPanRate,r.panDeltaY+=o*n/u*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/u)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/u)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/u*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];Yd(t,l),Yd(n,A);const a=d.geometricMeanVec2(c[0],c[1]),h=d.geometricMeanVec2(l,A),p=d.vec2();d.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=d.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(d.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(d.lenVec3(d.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/u*i.touchPanRate,r.panDeltaY-=m*s/u*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/u)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/u)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)Yd(g[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const qd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class $d{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const u=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};u.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,qd(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)qd(r[e],l[e]);l.length=r.length},{passive:!0}),u.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,u=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(qd(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):d.distVec2(l[0],A)<4&&(qd(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class ep extends R{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this.MOUSE_PAN=18,this.MOUSE_ROTATE=19,this.MOUSE_DOLLY=20,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:d.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:d.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new Rd(this,this._configs),pivotController:new Td(i,this._configs),panController:new Cd(i),cameraFlight:new Ku(this,{duration:.5})},this._handlers=[new Xd(this.scene,this._controllers,this._configs,this._states,this._updates),new Zd(this.scene,this._controllers,this._configs,this._states,this._updates),new Ud(this.scene,this._controllers,this._configs,this._states,this._updates),new jd(this.scene,this._controllers,this._configs,this._states,this._updates),new Gd(this.scene,this._controllers,this._configs,this._states,this._updates),new $d(this.scene,this._controllers,this._configs,this._states,this._updates),new zd(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},this._cameraUpdater=new Wd(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",y.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_areAllKeysDown(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(let i=0,s=t.length;i<s;i++){if(!e[t[i]])return!1}return!0}_isAnyOtherKeyDown(e,t){for(let i=0,s=e.length;i<s;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}_isMouseAction(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){const s=i[e];if(Array.isArray(s)){if(this._areAllKeysDown(t,s)&&!this._isAnyOtherKeyDown(t,s))return!0}else if(t[s]&&!this._isAnyOtherKeyDown(t,s))return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}setCursorStyle(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors={...this._cursors,[e]:t}:console.warn(`Action '${e}' is not valid for cursor styles.`)}getCursorStyle(e){return this._cursors[e]||null}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e;const t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0){const e=this.scene.input;for(let i=0,s=t.length;i<s;i++)this._configs.panRightClick&&t[i]===e.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[i]!==e.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_MIDDLE_BUTTON)}}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class tp{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class ip{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new tp(i.name,i.value,i.type,i.valueType,i.description))}}}}class sp{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class rp{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new ip({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new sp({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects[r]=o,s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o),o.metaModels.push(this)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e in i.metaObjects){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects);for(let i=0,s=t.length;i<s;i++){const s=t[i],r={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(r.parent=s.parent.id),s.attributes&&(r.attributes=s.attributes),s.propertySetIds&&(r.propertySetIds=s.propertySetIds),e.metaObjects.push(r)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=d.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=d.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(d.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=d.globalizeObjectId(this.id,s.id))}}}class op{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new rp({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i in t.metaObjects){const s=t.metaObjects[i];1===s.metaModels.length&&s.metaModels[0].id===e?(delete this.metaObjects[i],s.parent||delete this.rootMetaObjects[i]):s.metaModels=s.metaModels.filter((t=>t.id!==e))}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e in t.metaObjects){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?np(t):null,n=i&&i.length>0?np(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function np(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
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p;-1===A[l]&&(A[l]=u.numPositions++,u.positionsCompressed.push(s[3*l]),u.positionsCompressed.push(s[3*l+1]),u.positionsCompressed.push(s[3*l+2])),-1===A[h]&&(A[h]=u.numPositions++,u.positionsCompressed.push(s[3*h]),u.positionsCompressed.push(s[3*h+1]),u.positionsCompressed.push(s[3*h+2])),-1===A[d]&&(A[d]=u.numPositions++,u.positionsCompressed.push(s[3*d]),u.positionsCompressed.push(s[3*d+1]),u.positionsCompressed.push(s[3*d+2])),u.indices.push(A[l]),u.indices.push(A[h]),u.indices.push(A[d]),(p=n(l,h))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(l,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]])),(p=n(h,d))>=0&&0===a[p]&&(a[p]=1,u.edgeIndices.push(A[o[2*p]]),u.edgeIndices.push(A[o[2*p+1]]))}const d=t/8*2,p=t/8,f=2*s.length+(r.length+o.length)*d;let g=0,m=-s.length/3;return h.forEach((e=>{g+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*p,m+=e.positionsCompressed.length/3})),g>f?[e]:(i&&function(e,t){const i={},s={};let r=0;e.forEach((e=>{const t=e.indices,o=e.edgeIndices,n=e.positionsCompressed;for(let e=0,s=t.length;e<s;e+=3){const s=n[3*t[e]]+"_"+n[3*t[e]+1]+"_"+n[3*t[e]+2]+"/"+n[3*t[e+1]]+"_"+n[3*t[e+1]+1]+"_"+n[3*t[e+1]+2]+"/"+n[3*t[e+2]]+"_"+n[3*t[e+2]+1]+"_"+n[3*t[e+2]+2];i[s]=!0}r+=e.edgeIndices.length/2;for(let e=0,t=o.length;e<t;e+=2){const t=n[3*o[e]]+"_"+n[3*o[e]+1]+"_"+n[3*o[e]+2]+"/"+n[3*o[e+1]]+"_"+n[3*o[e+1]+1]+"_"+n[3*o[e+1]+2]+"/";s[t]=!0}}));{const e=t.indices;t.edgeIndices;const s=t.positionsCompressed;for(let t=0,r=e.length;t<r;t+=3){const r=s[3*e[t]]+"_"+s[3*e[t]+1]+"_"+s[3*e[t]+2]+"/"+s[3*e[t+1]]+"_"+s[3*e[t+1]+1]+"_"+s[3*e[t+1]+2]+"/"+s[3*e[t+2]]+"_"+s[3*e[t+2]+1]+"_"+s[3*e[t+2]+2];if(!(r in i))throw console.log("Not found "+r),"Ohhhh!"}}}(h,e),h)}const Xc=d.vec4(4),Jc=d.vec4(),Yc=d.vec4(),Zc=d.vec3([1,0,0]),qc=d.vec3([0,1,0]),$c=d.vec3([0,0,1]);d.vec3(3),d.vec3(3);const eu=d.identityMat4();class tu{constructor(e){this._model=e.model,this.id=e.id,this._parentTransform=e.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=d.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=d.identityMat4(new Float32Array(16)),this._worldMatrix=d.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,e.matrix?this.matrix=e.matrix:(this.scale=e.scale,this.position=e.position,e.quaternion||(this.rotation=e.rotation)),e.parent&&e.parent._addChildTransform(this)}_addChildTransform(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}_addMesh(e){this._meshes.push(e),e.transform=this}get parentTransform(){return this._parentTransform}get meshes(){return this._meshes}set position(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}get quaternion(){return this._quaternion}set scale(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}get scale(){return this._scale}set matrix(e){this._localMatrix||(this._localMatrix=d.identityMat4()),this._localMatrix.set(e||eu),d.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}get matrix(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=d.identityMat4()),d.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix}get worldMatrix(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}rotate(e,t){return Xc[0]=e[0],Xc[1]=e[1],Xc[2]=e[2],Xc[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Xc,Jc),d.mulQuaternions(this.quaternion,Jc,Yc),this.quaternion=Yc,this._setLocalMatrixDirty(),this._model.glRedraw(),this}rotateOnWorldAxis(e,t){return Xc[0]=e[0],Xc[1]=e[1],Xc[2]=e[2],Xc[3]=t*d.DEGTORAD,d.angleAxisToQuaternion(Xc,Jc),d.mulQuaternions(Jc,this.quaternion,Jc),this}rotateX(e){return this.rotate(Zc,e)}rotateY(e){return this.rotate(qc,e)}rotateZ(e){return this.rotate($c,e)}translate(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateX(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateY(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}translateZ(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}_setLocalMatrixDirty(){this._localMatrixDirty=!0,this._transformDirty()}_transformDirty(){this._worldMatrixDirty=!0;for(let e=0,t=this._childTransforms.length;e<t;e++){const t=this._childTransforms[e];if(t._transformDirty(),t._meshes&&t._meshes.length>0){const e=t._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}if(this._meshes&&this._meshes.length>0){const e=this._meshes;for(let t=0,i=e.length;t<i;t++)e[t]._transformDirty()}}_buildWorldMatrix(){const e=this.matrix;if(this._parentTransform)d.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(let t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}_setSubtreeAABBsDirty(e){if(e._aabbDirty=!0,e._childTransforms)for(let t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}const iu=d.vec3(),su=d.OBB3(),ru=d.vec4(),ou=d.vec3([1,1,1]),nu=d.vec3([0,0,0]);d.vec3([0,0,0]);const au=d.identityQuaternion(),lu=d.identityMat4(),Au=new Uint8Array([255,255,255]);class hu extends R{constructor(e,t={}){super(e,t),this.renderOrder=t.renderOrder||0,this._dtxEnabled=this.scene.dtxEnabled&&!1!==t.dtxEnabled,this._enableVertexWelding=!1,this._enableIndexBucketing=!1,this._vboBatchingLayerScratchMemory=(an++,nn),this._textureTranscoder=t.textureTranscoder||kc(this.scene.viewer),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this._aabb=d.collapseAABB3(),this._aabbDirty=!0,this._quantizationRanges={},this._vboInstancingLayers={},this._vboBatchingLayers={},this._dtxLayers={},this._meshList=[],this.layerList=[],this._layersToFinalize=[],this._entityList=[],this._entitiesToFinalize=[],this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._transforms={},this._meshes={},this._unusedMeshes={},this._entities={},this.renderFlags=new Tr,this.numGeometries=0,this.numPortions=0,this.numVisibleLayerPortions=0,this.numTransparentLayerPortions=0,this.numXRayedLayerPortions=0,this.numHighlightedLayerPortions=0,this.numSelectedLayerPortions=0,this.numEdgesLayerPortions=0,this.numPickableLayerPortions=0,this.numClippableLayerPortions=0,this.numCulledLayerPortions=0,this.numEntities=0,this._numTriangles=0,this._numLines=0,this._numPoints=0,this._layersFinalized=!1,this._edgeThreshold=t.edgeThreshold||10,this._origin=d.vec3(t.origin||[0,0,0]),this._position=d.vec3(t.position||[0,0,0]),this._rotation=d.vec3(t.rotation||[0,0,0]),this._quaternion=d.vec4(t.quaternion||[0,0,0,1]),this._conjugateQuaternion=d.vec4(t.quaternion||[0,0,0,1]),t.rotation&&d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._scale=d.vec3(t.scale||[1,1,1]),this._worldRotationMatrix=d.mat4(),this._worldRotationMatrixConjugate=d.mat4(),this._matrix=d.mat4(),this._matrixDirty=!0,this._rebuildMatrices(),this._worldNormalMatrix=d.mat4(),d.inverseMat4(this._matrix,this._worldNormalMatrix),d.transposeMat4(this._worldNormalMatrix),(t.matrix||t.position||t.rotation||t.scale||t.quaternion)&&(this._viewMatrix=d.mat4(),this._viewNormalMatrix=d.mat4(),this._viewMatrixDirty=!0,this._matrixNonIdentity=!0),this._opacity=1,this._colorize=[1,1,1],this._saoEnabled=!1!==t.saoEnabled,this._pbrEnabled=!1!==t.pbrEnabled,this._colorTextureEnabled=!1!==t.colorTextureEnabled,this._isModel=t.isModel,this._isModel&&this.scene._registerModel(this),this._onCameraViewMatrix=this.scene.camera.on("matrix",(()=>{this._viewMatrixDirty=!0})),this._meshesWithDirtyMatrices=[],this._numMeshesWithDirtyMatrices=0,this._onTick=this.scene.on("tick",(()=>{for(;this._numMeshesWithDirtyMatrices>0;)this._meshesWithDirtyMatrices[--this._numMeshesWithDirtyMatrices]._updateMatrix()})),this._createDefaultTextureSet(),this.visible=t.visible,this.culled=t.culled,this.pickable=t.pickable,this.clippable=t.clippable,this.collidable=t.collidable,this.castsShadow=t.castsShadow,this.receivesShadow=t.receivesShadow,this.xrayed=t.xrayed,this.highlighted=t.highlighted,this.selected=t.selected,this.edges=t.edges,this.colorize=t.colorize,this.opacity=t.opacity,this.backfaces=t.backfaces}_meshMatrixDirty(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}_createDefaultTextureSet(){const e=new Mc({id:"defaultColorTexture",texture:new _o({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new Mc({id:"defaultMetalRoughTexture",texture:new _o({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new Mc({id:"defaultNormalsTexture",texture:new _o({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),s=new Mc({id:"defaultEmissiveTexture",texture:new _o({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),r=new Mc({id:"defaultOcclusionTexture",texture:new _o({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=s,this._textures.defaultOcclusionTexture=r,this._textureSets.defaultTextureSet=new Cc({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:s,occlusionTexture:r})}get isPerformanceModel(){return!0}get transforms(){return this._transforms}get textures(){return this._textures}get textureSets(){return this._textureSets}get meshes(){return this._meshes}get objects(){return this._entities}get origin(){return this._origin}set position(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get position(){return this._position}set rotation(e){this._rotation.set(e||[0,0,0]),d.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get rotation(){return this._rotation}set quaternion(e){this._quaternion.set(e||[0,0,0,1]),d.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get quaternion(){return this._quaternion}set scale(e){}get scale(){return this._scale}set matrix(e){this._matrix.set(e||lu),d.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}get matrix(){return this._rebuildMatrices(),this._matrix}get rotationMatrix(){return this._rebuildMatrices(),this._worldRotationMatrix}_rebuildMatrices(){this._matrixDirty&&(d.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),d.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),d.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),d.scaleMat4v(this._scale,this._worldRotationMatrix),d.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),d.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}get rotationMatrixConjugate(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}_setWorldMatrixDirty(){this._matrixDirty=!0,this._aabbDirty=!0}_transformDirty(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}_sceneModelDirty(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}get worldMatrix(){return this.matrix}get worldNormalMatrix(){return this._worldNormalMatrix}_rebuildViewMatrices(){this._rebuildMatrices(),this._viewMatrixDirty&&(d.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),d.inverseMat4(this._viewMatrix,this._viewNormalMatrix),d.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}get viewMatrix(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}get viewNormalMatrix(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}get backfaces(){return this._backfaces}set backfaces(e){e=!!e,this._backfaces=e,this.glRedraw()}get entityList(){return this._entityList}get isEntity(){return!0}get isModel(){return this._isModel}get isObject(){return!1}get aabb(){if(this._aabbDirty){d.collapseAABB3(this._aabb);for(let e=0,t=this._entityList.length;e<t;e++)d.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}get numTriangles(){return this._numTriangles}get numLines(){return this._numLines}get numPoints(){return this._numPoints}get visible(){return this.numVisibleLayerPortions>0}set visible(e){e=!1!==e,this._visible=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}get xrayed(){return this.numXRayedLayerPortions>0}set xrayed(e){e=!!e,this._xrayed=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}get highlighted(){return this.numHighlightedLayerPortions>0}set highlighted(e){e=!!e,this._highlighted=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}get selected(){return this.numSelectedLayerPortions>0}set selected(e){e=!!e,this._selected=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}get edges(){return this.numEdgesLayerPortions>0}set edges(e){e=!!e,this._edges=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}get culled(){return this._culled}set culled(e){e=!!e,this._culled=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}get clippable(){return this._clippable}set clippable(e){e=!1!==e,this._clippable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}get collidable(){return this._collidable}set collidable(e){e=!1!==e,this._collidable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}get pickable(){return this.numPickableLayerPortions>0}set pickable(e){e=!1!==e,this._pickable=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}get colorize(){return this._colorize}set colorize(e){this._colorize=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}get opacity(){return this._opacity}set opacity(e){this._opacity=e;for(let t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}get castsShadow(){return this._castsShadow}set castsShadow(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}get receivesShadow(){return this._receivesShadow}set receivesShadow(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}get saoEnabled(){return this._saoEnabled}get pbrEnabled(){return this._pbrEnabled}get colorTextureEnabled(){return this._colorTextureEnabled}get isDrawable(){return!0}get isStateSortable(){return!1}get xrayMaterial(){return this.scene.xrayMaterial}get highlightMaterial(){return this.scene.highlightMaterial}get selectedMaterial(){return this.scene.selectedMaterial}get edgeMaterial(){return this.scene.edgeMaterial}getPickViewMatrix(e){return this._viewMatrix?this._viewMatrix:e}createQuantizationRange(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:ta(e.aabb,d.mat4())}:this.error("[createQuantizationRange] Config missing: id")}createGeometry(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error(`[createGeometry] Param expected: indices (required for '${e.primitive}' primitive type)`),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ta(e.positionsDecodeBoundary,d.mat4())),e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=ea(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),d.expandAABB3Points3(t,e.positionsCompressed),mi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}else if(e.buckets){const t=d.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&mi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){const t=e.colors,i=new Uint8Array(t.length);for(let e=0,s=t.length;e<s;e++)i[e]=255*t[e];e.colorsCompressed=i}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=hi(e.positions,e.indices,null,5):e.edgeIndices=hi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){const t=mi.getUVBounds(e.uv),i=mi.compressUVs(e.uv,t.min,t.max);e.uvCompressed=i.quantized,e.uvDecodeMatrix=i.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error(`[createGeometry] Unsupported value for 'primitive': '${e.primitive}' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'.`);else this.error("[createGeometry] Config missing: id")}createTexture(e){const t=e.id;if(null==t)return void this.error("[createTexture] Config missing: id");if(this._textures[t])return void this.error("[createTexture] Texture already created: "+t);if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;let i=e.minFilter||1008;1006!==i&&1007!==i&&1008!==i&&1005!==i&&1004!==i&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),i=1008);let s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);let r=e.wrapS||1e3;1001!==r&&1002!==r&&1e3!==r&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),r=1e3);let o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);let n=e.wrapR||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);let a=e.encoding||3e3;3e3!==a&&3001!==a&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),a=3e3);const l=new _o({gl:this.scene.canvas.gl,minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,encoding:a});if(e.preloadColor&&l.setPreloadColor(e.preloadColor),e.image){const t=e.image;if(t.crossOrigin="Anonymous",t.compressed){const e=t.data;l.setCompressedData({mipmaps:e,props:{format:e[0].format,minFilter:i,magFilter:s}})}else l.setImage(t,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a})}else if(e.src){const t=e.src.split(".").pop();switch(t){case"jpeg":case"jpg":case"png":case"gif":const A=new Image;A.onload=()=>{l.setImage(A,{minFilter:i,magFilter:s,wrapS:r,wrapT:o,wrapR:n,flipY:e.flipY,encoding:a}),this.glRedraw()},A.src=e.src;break;default:this._textureTranscoder?y.loadArraybuffer(e.src,(e=>{e.byteLength?this._textureTranscoder.transcode([e],l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error(`[createTexture] Can't create texture from 'src': ${e}`)})):this.error(`[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('${t}')`)}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,l).then((()=>{this.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[t]=new Mc({id:t,texture:l})}createTextureSet(e){const t=e.id;if(null==t)return void this.error("[createTextureSet] Config missing: id");if(this._textureSets[t])return void this.error(`[createTextureSet] Texture set already created: ${t}`);let i,s,r,o,n;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(i=this._textures[e.colorTextureId],!i)return void this.error(`[createTextureSet] Texture not found: ${e.colorTextureId} - ensure that you create it first with createTexture()`)}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(s=this._textures[e.metallicRoughnessTextureId],!s)return void this.error(`[createTextureSet] Texture not found: ${e.metallicRoughnessTextureId} - ensure that you create it first with createTexture()`)}else s=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(r=this._textures[e.normalsTextureId],!r)return void this.error(`[createTextureSet] Texture not found: ${e.normalsTextureId} - ensure that you create it first with createTexture()`)}else r=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(o=this._textures[e.emissiveTextureId],!o)return void this.error(`[createTextureSet] Texture not found: ${e.emissiveTextureId} - ensure that you create it first with createTexture()`)}else o=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(n=this._textures[e.occlusionTextureId],!n)return void this.error(`[createTextureSet] Texture not found: ${e.occlusionTextureId} - ensure that you create it first with createTexture()`)}else n=this._textures.defaultOcclusionTexture;const a=new Cc({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:s,normalsTexture:r,emissiveTexture:o,occlusionTexture:n});return this._textureSets[t]=a,a}createTransform(e){if(void 0===e.id||null===e.id)return void this.error("[createTransform] SceneModel.createTransform() config missing: id");if(this._transforms[e.id])return void this.error(`[createTransform] SceneModel already has a transform with this ID: ${e.id}`);let t;if(e.parentTransformId&&(t=this._transforms[e.parentTransformId],!t))return void this.error("[createTransform] SceneModel.createTransform() config missing: id");const i=new tu({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}createMesh(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error(`[createMesh] SceneModel already has a mesh with this ID: ${e.id}`),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error(`Unsupported value for 'primitive': '${primitive}'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.`),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){const t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error(`Param expected: indices (required for '${e.primitive}' primitive type)`),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;const t=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||ou,i=e.position||nu;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",ru),e.meshMatrix=d.composeMat4(i,ru,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||au,t,d.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=ta(e.positionsDecodeBoundary,d.mat4())),t){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Au,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){const t=d.vec3(),i=[];te(e.positions,i,t)&&(e.positions=i,e.origin=d.addVec3(e.origin,t,t))}if(e.positions){const t=d.collapseAABB3();e.positionsDecodeMatrix=d.mat4(),d.expandAABB3Points3(t,e.positions),e.positionsCompressed=ea(e.positions,t,e.positionsDecodeMatrix),e.aabb=t}else if(e.positionsCompressed){const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),mi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.buckets){const t=d.collapseAABB3();for(let i=0,s=e.buckets.length;i<s;i++){const s=e.buckets[i];s.positions?d.expandAABB3Points3(t,s.positions):s.positionsCompressed&&d.expandAABB3Points3(t,s.positionsCompressed)}e.positionsDecodeMatrix&&mi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,su),d.transformOBB3(e.meshMatrix,su),d.OBB3ToAABB3(su,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=hi(e.positions,e.indices,null,2):e.edgeIndices=hi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=cu(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){const t=[];te(e.positions,t,iu)&&(e.positions=t,e.origin=d.addVec3(e.origin,iu,d.vec3()))}if(e.positions){const t=d.collapseAABB3();e.meshMatrix&&(d.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),d.expandAABB3Points3(t,e.positions),e.aabb=t}else{const t=d.collapseAABB3();d.expandAABB3Points3(t,e.positionsCompressed),mi.decompressAABB(t,e.positionsDecodeMatrix),e.aabb=t}if(e.meshMatrix&&(d.AABB3ToOBB3(e.aabb,su),d.transformOBB3(e.meshMatrix,su),d.OBB3ToAABB3(su,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=hi(e.positions,e.indices,null,2):e.edgeIndices=hi(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error(`[createMesh] Texture set not found: ${e.textureSetId} - ensure that you create it first with createTextureSet()`),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error(`[createMesh] Geometry not found: ${e.geometryId} - ensure that you create it first with createGeometry()`),!1;if(e.origin=e.origin?d.addVec3(this._origin,e.origin,d.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error(`[createMesh] Transform not found: ${e.transformId} - ensure that you create it first with createTransform()`),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){const t=e.scale||ou,i=e.position||nu;e.rotation?(d.eulerToQuaternion(e.rotation,"XYZ",ru),e.meshMatrix=d.composeMat4(i,ru,t,d.mat4())):e.meshMatrix=d.composeMat4(i,e.quaternion||au,t,d.mat4())}d.AABB3ToOBB3(e.geometry.aabb,su),d.transformOBB3(e.meshMatrix,su),e.aabb=d.OBB3ToAABB3(su,d.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Au,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;let t=this._dtxBuckets[e.geometryId];t||(t=cu(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=t),e.buckets=t}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):Au,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}_createDefaultIndices(e){const t=[];for(let i=0;i<e;i++)t.push(i);return t}_createMesh(e){const t=new on(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);const i=t.pickId,s=i>>24&255,r=i>>16&255,o=i>>8&255,n=255&i;switch(e.pickColor=new Uint8Array([n,o,r,s]),e.solid="solid"===e.primitive,t.origin=d.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}_getNumPrimitives(e){let t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:const i=e.geometry;t+=i.positions?i.positions.length:i.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(let i=0,s=e.buckets.length;i<s;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}_getDTXLayer(e){const t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,s=`.${i}.${Math.round(t[0])}.${Math.round(t[1])}.${Math.round(t[2])}`;let r=this._dtxLayers[s];if(r){if(r.canCreatePortion(e))return r;delete this._dtxLayers[s],r=null}switch(i){case"triangles":case"solid":case"surface":r=new xc(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":r=new th(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[s]=r,this.layerList.push(r),this._layersToFinalize.push(r),r}_getVBOBatchingLayer(e){const t=this,i=e.origin;e.renderLayer;const s=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",r=e.textureSetId||"-",o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${e.primitive}.${s}.${r}`;let n=this._vboBatchingLayers[o];if(n)return n;let a=e.textureSet;for(;!n;){switch(e.primitive){case"triangles":case"solid":case"surface":n=new pa({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":n=new Pl({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":n=new cA({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}const s=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?n.canCreatePortion(s):n.canCreatePortion(s,e.indices.length))||(n.finalize(),delete this._vboBatchingLayers[o],n=null)}return this._vboBatchingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}_createHashStringFromMatrix(e){const t=e.join("");let i=0;for(let e=0;e<t.length;e++){i=(i<<5)-i+t.charCodeAt(e),i|=0}return(i>>>0).toString(16)}_getVBOInstancingLayer(e){const t=this,i=e.origin,s=e.textureSetId||"-",r=e.geometryId,o=`${Math.round(i[0])}.${Math.round(i[1])}.${Math.round(i[2])}.${s}.${r}`;let n=this._vboInstancingLayers[o];if(n)return n;let a=e.textureSet;const l=e.geometry;for(;!n;)switch(l.primitive){case"triangles":case"surface":n=new ol({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":n=new ol({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":n=new Gl({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":n=new UA({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[o]=n,this.layerList.push(n),this._layersToFinalize.push(n),n}createEntity(e){if(void 0===e.id?e.id=d.createUUID():this.scene.components[e.id]&&(this.error(`Scene already has a Component with this ID: ${e.id} - will assign random ID`),e.id=d.createUUID()),void 0===e.meshIds)return void this.error("Config missing: meshIds");let t=0;return this._visible&&!1!==e.visible&&(t|=re),this._pickable&&!1!==e.pickable&&(t|=ne),this._culled&&!1!==e.culled&&(t|=oe),this._clippable&&!1!==e.clippable&&(t|=ae),this._collidable&&!1!==e.collidable&&(t|=le),this._edges&&!1!==e.edges&&(t|=ue),this._xrayed&&!1!==e.xrayed&&(t|=Ae),this._highlighted&&!1!==e.highlighted&&(t|=he),this._selected&&!1!==e.selected&&(t|=ce),e.flags=t,this._createEntity(e)}_createEntity(e){let t=[];for(let i=0,s=e.meshIds.length;i<s;i++){const s=e.meshIds[i];let r=this._meshes[s];r?r.parent?this.error(`Mesh with ID "${s}" already belongs to object with ID "${r.parent.id}" - ignoring this mesh`):(t.push(r),delete this._unusedMeshes[s]):this.error(`Mesh with this ID not found: "${s}" - ignoring this mesh`)}const i=new fe(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(i),this._entities[e.id]=i,this._entitiesToFinalize.push(i),this.numEntities++,i}preFinalize(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(let e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize()}for(let e=0,t=this._entitiesToFinalize.length;e<t;e++){this._entitiesToFinalize[e]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort(((e,t)=>e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0));for(let e=0,t=this.layerList.length;e<t;e++){this.layerList[e].layerIndex=e}this.glRedraw(),this._layersFinalized=!0}finalize(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}stateSortCompare(e,t){}rebuildRenderFlags(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}_updateRenderFlagsVisibleLayers(){const e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(let t=0,i=this.layerList.length;t<i;t++){const i=this.layerList[t];this._getActiveSectionPlanesForLayer(i)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}_createDummyEntityForUnusedMeshes(){const e=Object.keys(this._unusedMeshes);if(e.length>0){const t=`${this.id}-${d.createUUID()}`;this.warn(`Creating dummy SceneModelEntity "${t}" for unused SceneMeshes: [${e.join(",")}]`),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}_getActiveSectionPlanesForLayer(e){const t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,s=i.length,r=e.layerIndex*s;if(s>0)for(let e=0;e<s;e++){i[e].active?(t.sectionPlanesActivePerLayer[r+e]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[r+e]=!1}return!0}_updateRenderFlags(){if(0===this.numVisibleLayerPortions)return;if(this.numCulledLayerPortions===this.numPortions)return;const e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){const t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0){this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0))}if(this.numSelectedLayerPortions>0){const t=this.scene.selectedMaterial._state;t.fill&&(t.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){const t=this.scene.highlightMaterial._state;t.fill&&(t.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}drawColorOpaque(e,t){const i=this.renderFlags;for(let t=0,s=i.visibleLayers.length;t<s;t++){const s=i.visibleLayers[t];this.layerList[s].drawColorOpaque(i,e)}}drawColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}drawDepth(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}drawNormals(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}drawSilhouetteXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}drawSilhouetteHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}drawSilhouetteSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}drawEdgesColorOpaque(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}drawEdgesColorTransparent(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}drawEdgesXRayed(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}drawEdgesHighlighted(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}drawEdgesSelected(e){const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}drawOcclusion(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}drawShadow(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}setPickMatrices(e,t){if(0===this._numVisibleLayerPortions)return;const i=this.renderFlags;for(let s=0,r=i.visibleLayers.length;s<r;s++){const r=i.visibleLayers[s],o=this.layerList[r];o.setPickMatrices&&o.setPickMatrices(e,t)}}drawPickMesh(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}drawPickDepths(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}drawPickNormals(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}drawSnapInit(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}drawSnap(e){if(0===this.numVisibleLayerPortions)return;const t=this.renderFlags;for(let i=0,s=t.visibleLayers.length;i<s;i++){const s=t.visibleLayers[i],r=this.layerList[s];r.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,r.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}destroy(){for(let e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();this._vboBatchingLayers={};for(let e in this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(e)&&this._vboInstancingLayers[e].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(let e=0,t=this.layerList.length;e<t;e++)this.layerList[e].destroy();this.layerList=[];for(let e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==an&&(an--,0===an&&nn._clear()),super.destroy()}}function cu(e,t,i){let s,r,o,n;if(t||i?[s,r,o]=Hc({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}):(s=e.positionsCompressed,r=e.indices,o=e.edgeIndices),i){n=Wc({positionsCompressed:s,indices:r,edgeIndices:o},s.length/3>65536?16:8)}else n=[{positionsCompressed:s,indices:r,edgeIndices:o}];return n}class uu extends R{constructor(e,t={}){if(super(e,t),this._positions=t.positions||[],t.indices)this._indices=t.indices;else{this._indices=[];for(let e=0,t=this._positions.length/3-1;e<t;e+=2)this._indices.push(e),this._indices.push(e+1)}this._sceneModel=new hu(this,{isModel:!1}),this._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:this._positions,indices:this._indices}),this._sceneModel.createEntity({meshIds:["linesMesh"],visible:t.visible,clippable:t.clippable,collidable:t.collidable}),this._sceneModel.finalize(),this.scene._lineSetCreated(this)}set visible(e){this._sceneModel.visible=e}get visible(){return this._sceneModel.visible}get positions(){return this._positions}get indices(){return this._indices}destroy(){super.destroy(),this.scene._lineSetDestroyed(this)}}const du=d.vec3(),pu=d.vec3(),fu=d.vec3(),gu=d.vec3();class mu extends z{constructor(e,t={}){super("BCFViewpoints",e,t),this.originatingSystem=t.originatingSystem||"xeokit.io",this.authoringTool=t.authoringTool||"xeokit.io"}getViewpoint(e={}){const t=this.viewer.scene,i=t.camera,s=t.realWorldOffset,r=!0===e.reverseClippingPlanes;let o={},n=d.normalizeVec3(d.subVec3(i.look,i.eye,d.vec3())),a=i.eye,l=i.up;i.yUp&&(n=bu(n),a=bu(a),l=bu(l));const A=_u(d.addVec3(a,s));"ortho"===i.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:_u(n),camera_up_vector:_u(l),view_to_world_scale:i.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:_u(n),camera_up_vector:_u(l),field_of_view:i.perspective.fov};const h=t.sectionPlanes;for(let e in h)if(h.hasOwnProperty(e)){let t=h[e];if(!t.active)continue;let n,a=t.pos;n=r?d.negateVec3(t.dir,d.vec3()):t.dir,i.yUp&&(a=bu(a),n=bu(n)),d.addVec3(a,s),a=_u(a),n=_u(n),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:a,direction:n})}const c=t.lineSets;for(let e in c)if(c.hasOwnProperty(e)){const t=c[e];o.lines||(o.lines=[]);const i=t.positions,s=t.indices;for(let e=0,t=s.length/2;e<t;e++){const t=s[2*e],r=s[2*e+1];o.lines.push({start_point:{x:i[3*t+0],y:i[3*t+1],z:i[3*t+2]},end_point:{x:i[3*r+0],y:i[3*r+1],z:i[3*r+2]}})}}const u=t.bitmaps;for(let e in u)if(u.hasOwnProperty(e)){let t=u[e],r=t.pos,n=t.normal,a=t.up;i.yUp&&(r=bu(r),n=bu(n),a=bu(a)),d.addVec3(r,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:t.type,bitmap_data:t.imageData,location:_u(r),normal:_u(n),up:_u(a),height:t.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!e.spacesVisible,space_boundaries_visible:!!e.spaceBoundariesVisible,openings_visible:!!e.openingsVisible,spaces_translucent:!!e.spaces_translucent,space_boundaries_translucent:!!e.space_boundaries_translucent,openings_translucent:!!e.openings_translucent}}};const p=new Set(t.opacityObjectIds),f=new Set(t.xrayedObjectIds),g=new Set(t.colorizedObjectIds),m=Object.values(t.objects).filter((e=>p.has(e.id)||g.has(e.id)||f.has(e.id))).reduce(((e,i)=>{let s,r=function(e){let t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0"),t}(i.colorize);i.xrayed?(s=0===t.xrayMaterial.fillAlpha&&0!==t.xrayMaterial.edgeAlpha?.1:t.xrayMaterial.fillAlpha,s=Math.round(255*s).toString(16).padStart(2,"0"),r=s+r):p.has(i.id)&&(s=Math.round(255*i.opacity).toString(16).padStart(2,"0"),r=s+r),e[r]||(e[r]=[]);const o=i.id,n=i.originalSystemId,a={ifc_guid:n,originating_system:this.originatingSystem};return n!==o&&(a.authoring_tool_id=o),e[r].push(a),e}),{}),_=Object.entries(m).map((([e,t])=>({color:e,components:t})));o.components.coloring=_;const v=t.objectIds,b=t.visibleObjects,y=t.visibleObjectIds,B=v.filter((e=>!b[e])),w=t.selectedObjectIds;return e.defaultInvisible||y.length<B.length?(o.components.visibility.exceptions=this._createBCFComponents(y),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(B),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(w),o.components.translucency=this._createBCFComponents(t.xrayedObjectIds),!1!==e.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}_createBCFComponents(e){const t=this.viewer.scene,i=[];for(let s=0,r=e.length;s<r;s++){const r=e[s],o=t.objects[r];if(o){const e={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==r&&(e.authoring_tool_id=r),i.push(e)}}return i}setViewpoint(e,t={}){if(!e)return;const i=this.viewer,s=i.scene,r=s.camera,o=!1!==t.rayCast,n=!1!==t.immediate,a=!1!==t.reset,l=s.realWorldOffset,A=!0===t.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){let t=vu(e.location,du),i=vu(e.direction,du);A&&d.negateVec3(i),d.subVec3(t,l),r.yUp&&(t=yu(t),i=yu(i)),new Zr(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){const t=[],i=[];let r=0;e.lines.forEach((e=>{e.start_point&&e.end_point&&(t.push(e.start_point.x),t.push(e.start_point.y),t.push(e.start_point.z),t.push(e.end_point.x),t.push(e.end_point.y),t.push(e.end_point.z),i.push(r++),i.push(r++))})),new uu(s,{positions:t,indices:i,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){const t=e.bitmap_type||"jpg",i=e.bitmap_data;let o=vu(e.location,pu),n=vu(e.normal,fu),a=vu(e.up,gu),l=e.height||1;t&&i&&o&&n&&a&&(r.yUp&&(o=yu(o),n=yu(n),a=yu(a)),new Qo(s,{src:i,type:t,pos:o,normal:n,up:a,clippable:!1,collidable:!0,height:l}))})),a&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!1))))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((e=>this._withBCFComponent(t,e,(e=>e.visible=!0)))));const r=e.components.visibility.view_setup_hints;r&&(!1===r.spaces_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==r.spaces_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcSpace"),!0),r.space_boundaries_visible,!1===r.openings_visible&&s.setObjectsVisible(i.metaScene.getObjectIDsByType("IfcOpening"),!0),r.space_boundaries_translucent,void 0!==r.openings_translucent&&s.setObjectsXRayed(i.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((e=>this._withBCFComponent(t,e,(e=>e.selected=!0))))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((e=>this._withBCFComponent(t,e,(e=>e.xrayed=!0))))),e.components.coloring&&e.components.coloring.forEach((e=>{let i=e.color,s=0,r=!1;8===i.length&&(s=parseInt(i.substring(0,2),16)/256,s<=1&&s>=.95&&(s=1),i=i.substring(2),r=!0);const o=[parseInt(i.substring(0,2),16)/256,parseInt(i.substring(2,4),16)/256,parseInt(i.substring(4,6),16)/256];e.components.map((e=>this._withBCFComponent(t,e,(e=>{e.colorize=o,r&&(e.opacity=s)}))))}))}if(e.perspective_camera||e.orthogonal_camera){let a,A,h,c;if(e.perspective_camera?(a=vu(e.perspective_camera.camera_view_point,du),A=vu(e.perspective_camera.camera_direction,du),h=vu(e.perspective_camera.camera_up_vector,du),r.perspective.fov=e.perspective_camera.field_of_view,c="perspective"):(a=vu(e.orthogonal_camera.camera_view_point,du),A=vu(e.orthogonal_camera.camera_direction,du),h=vu(e.orthogonal_camera.camera_up_vector,du),r.ortho.scale=e.orthogonal_camera.view_to_world_scale,c="ortho"),d.subVec3(a,l),r.yUp&&(a=yu(a),A=yu(A),h=yu(h)),o){const e=s.pick({pickSurface:!0,origin:a,direction:A});A=e?e.worldPos:d.addVec3(a,A,du)}else A=d.addVec3(a,A,du);n?(r.eye=a,r.look=A,r.up=h,r.projection=c):i.cameraFlight.flyTo({eye:a,look:A,up:h,duration:t.duration,projection:c})}}_withBCFComponent(e,t,i){const s=this.viewer,r=s.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){const o=t.authoring_tool_id,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}}if(t.ifc_guid){const o=t.ifc_guid,n=r.objects[o];if(n)return void i(n);if(e.updateCompositeObjects){if(s.metaScene.metaObjects[o])return void r.withObjects(s.metaScene.getObjectIDsInSubtree(o),i)}Object.keys(r.models).forEach((t=>{const n=d.globalizeObjectId(t,o),a=r.objects[n];if(a)i(a);else if(e.updateCompositeObjects){s.metaScene.metaObjects[n]&&r.withObjects(s.metaScene.getObjectIDsInSubtree(n),i)}}))}}destroy(){super.destroy()}}function _u(e){return{x:e[0],y:e[1],z:e[2]}}function vu(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function bu(e){return new Float64Array([e[0],-e[2],e[1]])}function yu(e){return new Float64Array([e[0],e[2],-e[1]])}const Bu=d.vec3(),wu=d.vec3(),Pu=d.vec3();d.vec4(),d.vec4(),d.vec4();class xu extends R{constructor(e,t={}){const i=e.viewer.scene;super(i,t),this.plugin=e;const s=t.container;if(!s)throw"config missing: container";this._color=t.color||e.defaultColor;const r=function(e,t){const i=[];let s=void 0!==e?Boolean(e):t;return{reg:e=>i.push(e),get:()=>s,set:e=>{s=void 0!==e?Boolean(e):t,i.forEach((e=>e(s)))}}};this._visible=r(t.visible,e.defaultVisible),this._originVisible=r(t.originVisible,e.defaultOriginVisible),this._targetVisible=r(t.targetVisible,e.defaultTargetVisible),this._axisVisible=r(t.axisVisible,e.defaultAxisVisible),this._xAxisVisible=r(t.xAxisVisible,e.defaultAxisVisible),this._yAxisVisible=r(t.yAxisVisible,e.defaultAxisVisible),this._zAxisVisible=r(t.zAxisVisible,e.defaultAxisVisible),this._axisEnabled=r(!0,e.defaultAxisVisible),this._wireVisible=r(t.wireVisible,e.defaultWireVisible),this._xLabelEnabled=r(t.xLabelEnabled,e.defaultXLabelEnabled),this._yLabelEnabled=r(t.yLabelEnabled,e.defaultYLabelEnabled),this._zLabelEnabled=r(t.zLabelEnabled,e.defaultZLabelEnabled),this._lengthLabelEnabled=r(t.lengthLabelEnabled,e.defaultLengthLabelEnabled),this._labelsVisible=r(t.labelsVisible,e.defaultLabelsVisible),this._clickable=r(!1,!1),this._labelsOnWires=r(t.labelsOnWires,e.defaultLabelsOnWires),this._useRotationAdjustment=r(t.useRotationAdjustment,e.useRotationAdjustment),this._axesBasis=d.identityMat4(),this.approximate=t.approximate;const o=i.canvas.canvas,n=t.onMouseOver?e=>{t.onMouseOver(e,this),o.dispatchEvent(new MouseEvent("mouseover",e))}:null,a=t.onMouseLeave?e=>{t.onMouseLeave(e,this),o.dispatchEvent(new MouseEvent("mouseleave",e))}:null,l=t.onContextMenu?e=>{t.onContextMenu(e,this)}:null,A=e=>o.dispatchEvent(new MouseEvent("mousedown",e)),h=e=>o.dispatchEvent(new MouseEvent("mouseup",e)),c=e=>o.dispatchEvent(new MouseEvent("mousemove",e)),u=e=>o.dispatchEvent(new WheelEvent("wheel",e));this._cleanups=[],["units","scale"].forEach((e=>{const t=i.metrics.on("units",(()=>this._update()));this._cleanups.push((()=>i.metrics.off(t)))})),this._drawables=[];const p=(e,t)=>{const i=()=>e.setVisible(t.every((e=>e.get())));t.forEach((e=>e.reg(i))),this._drawables.push(e),this._cleanups.push((()=>e.destroy()))},f=(t,r,o)=>{const d=new Oe(i,s,{color:t,thickness:r,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return p(d,o),{setEnds:(e,t)=>d.setEnds(e,t),setColor:e=>d.setColor(e)}};this._lengthWire=f(this._color,2,[this._visible,this._wireVisible]),this._xAxisWire=f("red",1,[this._visible,this._axisEnabled,this._axisVisible,this._xAxisVisible]),this._yAxisWire=f("green",1,[this._visible,this._axisEnabled,this._axisVisible,this._yAxisVisible]),this._zAxisWire=f("blue",1,[this._visible,this._axisEnabled,this._axisVisible,this._zAxisVisible]);const g=(t,r,o)=>{const d=new Ue(i,s,{fillColor:t,zIndex:void 0!==e.zIndex?e.zIndex+r:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return p(d,o),{setFillColor:e=>d.setFillColor(e),setPosOnWire:(e,t,i,s)=>d.setPosOnWire(e,t,i,s),setPosBetween:(e,t,i)=>d.setPosBetween(e,t,i),setText:e=>d.setText(e.replace(/ /g,"&nbsp;"))}};this._lengthLabel=g(this._color,4,[this._visible,this._wireVisible,this._labelsVisible,this._clickable,this._axisEnabled,this._lengthLabelEnabled]),this._xAxisLabel=g("red",3,[this._visible,this._axisEnabled,this._axisVisible,this._xAxisVisible,this._labelsVisible,this._clickable,this._xLabelEnabled]),this._yAxisLabel=g("green",3,[this._visible,this._axisEnabled,this._axisVisible,this._yAxisVisible,this._labelsVisible,this._clickable,this._yLabelEnabled]),this._zAxisLabel=g("blue",3,[this._visible,this._axisEnabled,this._axisVisible,this._zAxisVisible,this._labelsVisible,this._clickable,this._zLabelEnabled]);const m=(t,r)=>{const o=new Le(i,t,s,{fillColor:this._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:n,onMouseLeave:a,onMouseWheel:u,onMouseDown:A,onMouseUp:h,onMouseMove:c,onContextMenu:l});return o.on("worldPos",(()=>this._update())),p(o,r),o};this._originDot=m(t.origin,[this._visible,this._originVisible]),this._targetDot=m(t.target,[this._visible,this._targetVisible]),this._update()}_update(){if(!this._targetDot)return;const e=this._originDot.worldPos,t=this._targetDot.worldPos,i=this._axesBasis,s=d.subVec3(t,e,Bu),r=d.transformVec3(i,s,s),o=this._useRotationAdjustment.get()&&Math.abs(s[1])>0,n=(i,s)=>{const r=this.plugin.viewer.scene.metrics,n=r.scale,a=r.unitsInfo[r.units].abbrev,l=(i,s,r,o)=>{this._labelsOnWires.get()?i.setPosOnWire(s,r,0,this.plugin.labelMinAxisLength):i.setPosOnWire(e,t,35*o,0)},A=e=>(this._approximate?" ~ ":" = ")+e.toFixed(2)+a;this._xAxisWire.setEnds(e,i),l(this._xAxisLabel,e,i,1),this._xAxisLabel.setText("X"+A(d.distVec3(e,i)*n)),this._yAxisWire.setEnds(i,s),l(this._yAxisLabel,i,s,2),this._yAxisLabel.setText("Y"+A(d.distVec3(i,s)*n)),this._zAxisWire.setEnds(s,t),l(this._zAxisLabel,s,t,3),this._zAxisLabel.setText((o?"":"Z")+A(d.distVec3(s,t)*n)),this._lengthWire.setEnds(e,t),l(this._lengthLabel,e,t,0),this._length=d.distVec3(e,t)*n,this._lengthLabel.setText(A(this._length))};o?(Pu[0]=e[0],Pu[1]=t[1],Pu[2]=e[2],n(e,Pu)):(wu[0]=e[0]+i[0]*r[0],wu[1]=e[1]+i[4]*r[0],wu[2]=e[2]+i[8]*r[0],Pu[0]=wu[0]+i[1]*r[1],Pu[1]=wu[1]+i[5]*r[1],Pu[2]=wu[2]+i[9]*r[1],n(wu,Pu))}set axesBasis(e){this._axesBasis.set(e),this._update()}get axesBasis(){return this._axesBasis}set approximate(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}get approximate(){return this._approximate}get origin(){return this._originDot}get target(){return this._targetDot}get length(){return this._length}get color(){return this._color}set color(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}set visible(e){this._visible.set(e)}get visible(){return this._visible.get()}set originVisible(e){this._originVisible.set(e)}get originVisible(){return this._originVisible.get()}set targetVisible(e){this._targetVisible.set(e)}get targetVisible(){return this._targetVisible.get()}set useRotationAdjustment(e){this._useRotationAdjustment.set(e),this._update()}get useRotationAdjustment(){return this._useRotationAdjustment.get()}set axisEnabled(e){this._axisEnabled.set(e)}get axisEnabled(){return this._axisEnabled.get()}set axisVisible(e){this._axisVisible.set(e)}get axisVisible(){return this._axisVisible.get()}set xAxisVisible(e){this._xAxisVisible.set(e)}get xAxisVisible(){return this._xAxisVisible.get()}set yAxisVisible(e){this._yAxisVisible.set(e)}get yAxisVisible(){return this._yAxisVisible.get()}set zAxisVisible(e){this._zAxisVisible.set(e)}get zAxisVisible(){return this._zAxisVisible.get()}set wireVisible(e){this._wireVisible.set(e)}get wireVisible(){return this._wireVisible.get()}set labelsVisible(e){this._labelsVisible.set(e)}get labelsVisible(){return this._labelsVisible.get()}set xLabelEnabled(e){this._xLabelEnabled.set(e)}get xLabelEnabled(){return this._xLabelEnabled.get()}set yLabelEnabled(e){this._yLabelEnabled.set(e)}get yLabelEnabled(){return this._yLabelEnabled.get()}set zLabelEnabled(e){this._zLabelEnabled.set(e)}get zLabelEnabled(){return this._zLabelEnabled.get()}set lengthLabelEnabled(e){this._lengthLabelEnabled.set(e)}get lengthLabelEnabled(){return this._lengthLabelEnabled.get()}set labelsOnWires(e){this._labelsOnWires.set(e),this._update()}get labelsOnWires(){return this._labelsOnWires.get()}setHighlighted(e){this._drawables.forEach((t=>t.setHighlighted(e)))}set clickable(e){this._clickable.set(!!e),this._drawables.forEach((e=>e.setClickable(this._clickable.get())))}get clickable(){return this._clickable.get()}destroy(){this._cleanups.forEach((e=>e())),super.destroy()}}class Cu extends R{get active(){}set snapping(e){}get snapping(){return!0}activate(){}deactivate(){}reset(){}get currentMeasurement(){return null}destroy(){}}class Mu extends Cu{constructor(e,t={}){super(e.viewer.scene),this._canvasToPagePos=t.canvasToPagePos,this.pointerLens=t.pointerLens,this._active=!1,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._initMarkerDiv(),this._snapping=!1!==t.snapping,this._mouseState=0,this._attachPlugin(e,t)}_initMarkerDiv(){const e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}_destroyMarkerDiv(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}_attachPlugin(e,t={}){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);const e=this.distanceMeasurementsPlugin,t=this.scene,i=e.viewer.cameraControl,s=t.canvas.canvas;t.input;let r=!1;const o=d.vec3(),n=d.vec2();let a,l;let A=null;this._mouseState=0;const h=d.vec2(),c=e=>{const t=e.snappedCanvasPos||e.canvasPos;if(r=!0,o.set(e.worldPos),n.set(e.canvasPos),0===this._mouseState){if(this._canvasToPagePos)this._canvasToPagePos(s,t,h),this._markerDiv.style.left=h[0]-5+"px",this._markerDiv.style.top=h[1]-5+"px";else{const e=d.vec2(t);De(s,this._markerDiv.parentNode,e),this._markerDiv.style.left=e[0]-5+"px",this._markerDiv.style.top=e[1]-5+"px"}this._markerDiv.style.background="pink",e.snappedToVertex||e.snappedToEdge?(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos,this.pointerLens.snapped=!0),this._markerDiv.style.background="greenyellow",this._markerDiv.style.border="2px solid green"):(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.canvasPos,this.pointerLens.snapped=!1),this._markerDiv.style.background="pink",this._markerDiv.style.border="2px solid red"),A=e.entity}else this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px";s.style.cursor="pointer",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=this._currentDistanceMeasurementInitState.wireVisible,this._currentDistanceMeasurement.axisVisible=this._currentDistanceMeasurementInitState.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurement.xAxisVisible=this._currentDistanceMeasurementInitState.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurement.yAxisVisible=this._currentDistanceMeasurementInitState.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurement.zAxisVisible=this._currentDistanceMeasurementInitState.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurement.targetVisible=this._currentDistanceMeasurementInitState.targetVisible,this._currentDistanceMeasurement.target.worldPos=o.slice(),this._markerDiv.style.left="-10000px",this._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=i.on("hoverSnapOrSurface",(e=>{this._snapping&&c(e)})),this._onHoverSurface=i.on("hoverSurface",(e=>{this._snapping||c(e)})),s.addEventListener("mousedown",this._onMouseDown=e=>{1===e.which&&(a=e.clientX,l=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=t=>{1===t.which&&(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20||(this._currentDistanceMeasurement?r?(this._currentDistanceMeasurement.target.entity=A,A=null,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):(this._currentDistanceMeasurement.destroy(),this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,A=null):r&&(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:o.slice(),entity:A},target:{worldPos:o.slice(),entity:A},approximate:!0}),this._currentDistanceMeasurementInitState.axisVisible=this._currentDistanceMeasurement.axisVisible&&this.distanceMeasurementsPlugin.defaultAxisVisible,this._currentDistanceMeasurementInitState.xAxisVisible=this._currentDistanceMeasurement.xAxisVisible&&this.distanceMeasurementsPlugin.defaultXAxisVisible,this._currentDistanceMeasurementInitState.yAxisVisible=this._currentDistanceMeasurement.yAxisVisible&&this.distanceMeasurementsPlugin.defaultYAxisVisible,this._currentDistanceMeasurementInitState.zAxisVisible=this._currentDistanceMeasurement.zAxisVisible&&this.distanceMeasurementsPlugin.defaultZAxisVisible,this._currentDistanceMeasurementInitState.wireVisible=this._currentDistanceMeasurement.wireVisible,this._currentDistanceMeasurementInitState.targetVisible=this._currentDistanceMeasurement.targetVisible,this._currentDistanceMeasurement.clickable=!1,this._currentDistanceMeasurement.origin.entity=A,A=null,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement))))});const u=e=>{this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=e.canvasPos,this.pointerLens.snappedCanvasPos=e.snappedCanvasPos||e.canvasPos),r=!1,this._markerDiv.style.left="-100px",this._markerDiv.style.top="-100px",this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=i.on("hoverSnapOrSurfaceOff",(e=>{this._snapping&&u(e)})),this._onHoverOff=i.on("hoverOff",(e=>{this._snapping||u(e)})),this._active=!0}deactivate(){if(!this._active)return;this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();const e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);const t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}reset(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Eu extends z{constructor(e,t={}){super("DistanceMeasurements",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._defaultControl=null,this._measurements={},this.labelMinAxisLength=t.labelMinAxisLength,this.defaultVisible=!1!==t.defaultVisible,this.defaultOriginVisible=!1!==t.defaultOriginVisible,this.defaultTargetVisible=!1!==t.defaultTargetVisible,this.defaultWireVisible=!1!==t.defaultWireVisible,this.defaultXLabelEnabled=!1!==t.defaultXLabelEnabled,this.defaultYLabelEnabled=!1!==t.defaultYLabelEnabled,this.defaultZLabelEnabled=!1!==t.defaultZLabelEnabled,this.defaultLengthLabelEnabled=!1!==t.defaultLengthLabelEnabled,this.defaultLabelsVisible=!1!==t.defaultLabelsVisible,this.defaultAxisVisible=!1!==t.defaultAxisVisible,this.defaultXAxisVisible=!1!==t.defaultXAxisVisible,this.defaultYAxisVisible=!1!==t.defaultYAxisVisible,this.defaultZAxisVisible=!1!==t.defaultZAxisVisible,this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this.defaultLabelsOnWires=!1!==t.defaultLabelsOnWires,this.useRotationAdjustment=void 0!==t.useRotationAdjustment&&!1!==t.useRotationAdjustment,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,distanceMeasurement:t,measurement:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,distanceMeasurement:t,measurement:t,event:e})}}getContainerElement(){return this._container}send(e,t){}get pointerLens(){return this._pointerLens}get control(){return this._defaultControl||(this._defaultControl=new Mu(this,{})),this._defaultControl}get measurements(){return this._measurements}set labelMinAxisLength(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}get labelMinAxisLength(){return this._labelMinAxisLength}set useRotationAdjustment(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}get useRotationAdjustment(){return this._useRotationAdjustment}createMeasurement(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=e.origin,i=e.target,s=new xu(this,{id:e.id,plugin:this,container:this._container,origin:{entity:t.entity,worldPos:t.worldPos},target:{entity:i.entity,worldPos:i.worldPos},visible:e.visible,wireVisible:e.wireVisible,axisVisible:!1!==e.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==e.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==e.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==e.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==e.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==e.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==e.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==e.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==e.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:e.originVisible,targetVisible:e.targetVisible,color:e.color,labelsOnWires:!1!==e.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(()=>{delete this._measurements[s.id]})),this.fire("measurementCreated",s),s}destroyMeasurement(e){const t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}setLabelsShown(e){for(const[t,i]of Object.entries(this.measurements))i.labelShown=e}setAxisVisible(e){for(const[t,i]of Object.entries(this.measurements))i.axisVisible=e;this.defaultAxisVisible=e}getAxisVisible(){return this.defaultAxisVisible}clear(){const e=Object.keys(this._measurements);for(var t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}destroy(){this.clear(),super.destroy()}}const Fu=d.vec2();class Iu extends Cu{constructor(e,t={}){super(e.viewer.scene),this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._active=!1;const i=document.createElement("div"),s=this.scene.canvas.canvas;s.parentNode.insertBefore(i,s),i.style.background="black",i.style.border="2px solid blue",i.style.borderRadius="10px",i.style.width="5px",i.style.height="5px",i.style.margin="-200px -200px",i.style.zIndex="100",i.style.position="absolute",i.style.pointerEvents="none",this.markerDiv=i,this._currentDistanceMeasurement=null,this._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},this._longTouchTimeoutMs=300,this._snapping=!1!==t.snapping,this._attachPlugin(e,t)}_attachPlugin(e){this.distanceMeasurementsPlugin=e,this.plugin=e}get active(){return this._active}set snapping(e){this._snapping=e}get snapping(){return this._snapping}activate(){if(this._active)return;const e=this.plugin,t=this.scene,i=t.canvas.canvas;e.pointerLens;const s=d.vec3(),r=20;let o=null;this._touchState=0;const n=d.vec2(),a=d.vec2(),l=d.vec2();let A=null;const h=()=>{this.plugin.viewer.cameraControl.active=!1},c=()=>{this.plugin.viewer.cameraControl.active=!0},u=()=>{o&&(clearTimeout(o),o=null),this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),c(),this._touchState=0},p=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,De(i.ownerDocument.documentElement,i,t),t),f=(e,t)=>(t.set(e),De(i,i.ownerDocument.documentElement,t),t);i.addEventListener("touchstart",this._onCanvasTouchStart=i=>{const l=i.touches.length;if(1!==l)return void(o&&(clearTimeout(o),o=null));const c=i.touches[0];switch(p(c,n),a.set(n),this._touchState){case 0:if(1!==l&&null!==o)return void u();const i=t.pick({canvasPos:a,snapping:this._snapping,snapToEdge:this._snapping});if(i&&i.snapped)s.set(i.worldPos),this.pointerCircle.start(f(i.snappedCanvasPos,Fu));else{const e=t.pick({canvasPos:a,pickSurface:!0});if(!e||!e.worldPos)return;s.set(e.worldPos),this.pointerCircle.start(f(e.canvasPos,Fu))}o=setTimeout((()=>{1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r||(this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.cursorPos=n),this.pointerLens&&(this.pointerLens.canvasPos=a,this.pointerLens.snapped=!1),this.pointerLens&&(this.pointerLens.cursorPos=i.canvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=s:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:s,entity:i.entity},target:{worldPos:s,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement),this._touchState=2,h())}),this._longTouchTimeoutMs),this._touchState=1,A=c.identifier;break;case 3:if(1!==l&&null!==o)return clearTimeout(o),void(o=null);1===l&&(o=setTimeout((()=>{if(o=null,1!==l||a[0]>n[0]+r||a[0]<n[0]-r||a[1]>n[1]+r||a[1]<n[1]-r)return;this.pointerLens&&(this.pointerLens.visible=!0,this.pointerLens.canvasPos=n,this.pointerLens.snapped=!1);const e=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping});if(e&&e.snapped)this.pointerLens&&(this.pointerLens.cursorPos=e.snappedCanvasPos,this.pointerLens.snapped=!0),this.pointerCircle.start(f(e.snappedCanvasPos,Fu)),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement);else{const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=e.canvasPos,this.pointerLens.snapped=!1),this.pointerCircle.start(f(e.canvasPos,Fu)),s.set(e.worldPos),this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)}this._touchState=5,h()}),this._longTouchTimeoutMs),this._touchState=4),A=c.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(this._touchState=7)}},{passive:!0}),i.addEventListener("touchmove",(i=>{this.pointerCircle.stop();const r=i.touches.length;if(1!==r||1!==i.changedTouches.length)return void(o&&(clearTimeout(o),o=null));const n=i.touches[0];if(n.identifier!==A)return;let l,h;switch(p(n,a),this._touchState){case 2:this.pointerLens&&(this.pointerLens.canvasPos=a),l=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),l&&l.snapped?(this.pointerLens&&(this.pointerLens.snappedCanvasPos=l.snappedCanvasPos,this.pointerLens.snapped=!0),s.set(l.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=l.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:l.worldPos,entity:l.entity},target:{worldPos:l.worldPos,entity:l.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(h=t.pick({canvasPos:a,pickSurface:!0}),h&&h.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=h.canvasPos,this.pointerLens.snapped=!1),s.set(h.worldPos),this._currentDistanceMeasurement?this._currentDistanceMeasurement.origin.worldPos=h.worldPos:(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:h.worldPos,entity:h.entity},target:{worldPos:h.worldPos,entity:h.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1),this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):this.pointerLens&&(this.pointerLens.cursorPos=null,this.pointerLens.snapped=!1)),this._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,this.pointerLens&&(this.pointerLens.visible=!1),void(this._touchState=7);this.pointerLens&&(this.pointerLens.canvasPos=a),l=t.pick({canvasPos:a,snapToVertex:this._snapping,snapToEdge:this._snapping}),l&&l.worldPos?(this.pointerLens&&(this.pointerLens.cursorPos=l.snappedCanvasPos,this.pointerLens.snapped=!0),this._currentDistanceMeasurement.target.worldPos=l.worldPos,this._currentDistanceMeasurement.target.entity=l.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0):(h=t.pick({canvasPos:a,pickSurface:!0}),h&&h.worldPos&&(this.pointerLens&&(this.pointerLens.cursorPos=h.canvasPos,this.pointerLens.snapped=!1),this._currentDistanceMeasurement.target.worldPos=h.worldPos,this._currentDistanceMeasurement.target.entity=h.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0)),this._touchState=5}}),{passive:!0}),i.addEventListener("touchend",this._onCanvasTouchEnd=i=>{this.pointerCircle.stop();const s=i.changedTouches.length;if(1!==s)return;const h=i.changedTouches[0];if(h.identifier!==A)return;o&&(clearTimeout(o),o=null),p(h,l);const u=l[0],f=l[1];switch(this._touchState){case 1:{if(1!==s||u>n[0]+r||u<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=0);const i=t.pick({canvasPos:a,pickSurface:!0});i&&i.worldPos?(this._currentDistanceMeasurement=e.createMeasurement({id:d.createUUID(),origin:{worldPos:i.worldPos,entity:i.entity},target:{worldPos:i.worldPos,entity:i.entity}}),this._currentDistanceMeasurement.labelsVisible=!1,this._currentDistanceMeasurement.xAxisVisible=!1,this._currentDistanceMeasurement.yAxisVisible=!1,this._currentDistanceMeasurement.zAxisVisible=!1,this._currentDistanceMeasurement.wireVisible=!1,this._currentDistanceMeasurement.originVisible=!0,this._currentDistanceMeasurement.targetVisible=!1,this._currentDistanceMeasurement.clickable=!1,this._touchState=3,this.distanceMeasurementsPlugin.fire("measurementStart",this._currentDistanceMeasurement)):(this._currentDistanceMeasurement&&this._currentDistanceMeasurement.destroy(),this._touchState=0)}c();break;case 2:this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement?this._touchState=3:(this.pointerLens&&(this.pointerLens.snapped=!1,this.pointerLens.visible=!1),this._touchState=0),c();break;case 4:{if(1!==s||u>n[0]+r||u<n[0]-r||f>n[1]+r||f<n[1]-r)return void(this._touchState=3);const e=t.pick({canvasPos:a,pickSurface:!0});e&&e.worldPos?(this._currentDistanceMeasurement.target.worldPos=e.worldPos,this._currentDistanceMeasurement.target.entity=e.entity,this._currentDistanceMeasurement.targetVisible=!0,this._currentDistanceMeasurement.wireVisible=!0,this._currentDistanceMeasurement.labelsVisible=!0,this._currentDistanceMeasurement.xAxisVisible=!0,this._currentDistanceMeasurement.yAxisVisible=!0,this._currentDistanceMeasurement.zAxisVisible=!0,this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null):this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0}c();break;case 5:console.log("long touch"),this.pointerLens&&(this.pointerLens.visible=!1),this._currentDistanceMeasurement&&this._currentDistanceMeasurement.targetVisible?(this._currentDistanceMeasurement.clickable=!0,this.distanceMeasurementsPlugin.fire("measurementEnd",this._currentDistanceMeasurement),this._currentDistanceMeasurement=null,this._touchState=0):(this._currentDistanceMeasurement&&(this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._touchState=0),c()}},{passive:!0}),this._active=!0}deactivate(){if(!this._active)return;this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();const e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}reset(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}get currentMeasurement(){return this._currentDistanceMeasurement}destroy(){this.deactivate(),super.destroy()}}class Du extends R{constructor(e,t,i,s){const r=e.plugin.viewer;super(r.scene);const o=Ne({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t.pointerLens,dots:[e.origin,e.target],ray2WorldPos:(e,i,s)=>{const o=e=>{const t=r.scene.pick({canvasPos:s,snapToEdge:e,snapToVertex:e,pickSurface:!0});return t&&t.worldPos?t.worldPos:e&&o(!1)};return o(!!t.snapping)},onEnd:(e,t)=>{const i=!d.compareVec3(e,t.worldPos);return i&&this.fire("edited"),i}}),n=e.on("destroyed",o);this._deactivate=function(){e.off("destroyed",n),o()}}deactivate(){this._deactivate(),super.destroy()}}class Su extends Du{constructor(e,t){super(e,t,!0,!1)}}class Tu extends Du{constructor(e,t){super(e,t,!1,!0)}}class Ru extends z{constructor(e,t={}){super("FastNav",e),this._hideColorTexture=!1!==t.hideColorTexture,this._hidePBR=!1!==t.hidePBR,this._hideSAO=!1!==t.hideSAO,this._hideEdges=!1!==t.hideEdges,this._hideTransparentObjects=!!t.hideTransparentObjects,this._scaleCanvasResolution=!!t.scaleCanvasResolution,this._defaultScaleCanvasResolutionFactor=t.defaultScaleCanvasResolutionFactor,this._scaleCanvasResolutionFactor=t.scaleCanvasResolutionFactor||.6,this._delayBeforeRestore=!1!==t.delayBeforeRestore,this._delayBeforeRestoreSeconds=t.delayBeforeRestoreSeconds||.5;let i=1e3*this._delayBeforeRestoreSeconds,s=!1;const r=()=>{i=1e3*this._delayBeforeRestoreSeconds,s||(e.scene._renderer.setColorTextureEnabled(!this._hideColorTexture),e.scene._renderer.setPBREnabled(!this._hidePBR),e.scene._renderer.setSAOEnabled(!this._hideSAO),e.scene._renderer.setTransparentEnabled(!this._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!this._hideEdges),this._originalCanvasResolutionScale=e.scene.canvas.resolutionScale,this._scaleCanvasResolution?e.scene.canvas.resolutionScale=this._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor,s=!0)},o=()=>{e.scene.canvas.resolutionScale=this._defaultScaleCanvasResolutionFactor||this._originalCanvasResolutionScale||1,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),s=!1};this._onCanvasBoundary=e.scene.canvas.on("boundary",r),this._onCameraMatrix=e.scene.camera.on("matrix",r),this._onSceneTick=e.scene.on("tick",(e=>{s&&(i-=e.deltaTime,(!this._delayBeforeRestore||i<=0)&&o())}));let n=!1;this._onSceneMouseDown=e.scene.input.on("mousedown",(()=>{n=!0})),this._onSceneMouseUp=e.scene.input.on("mouseup",(()=>{n=!1})),this._onSceneMouseMove=e.scene.input.on("mousemove",(()=>{n&&r()}))}get hideColorTexture(){return this._hideColorTexture}set hideColorTexture(e){this._hideColorTexture=e}get hidePBR(){return this._hidePBR}set hidePBR(e){this._hidePBR=e}get hideSAO(){return this._hideSAO}set hideSAO(e){this._hideSAO=e}get hideEdges(){return this._hideEdges}set hideEdges(e){this._hideEdges=e}get hideTransparentObjects(){return this._hideTransparentObjects}set hideTransparentObjects(e){this._hideTransparentObjects=!1!==e}get scaleCanvasResolution(){return this._scaleCanvasResolution}set scaleCanvasResolution(e){this._scaleCanvasResolution=e}get defaultScaleCanvasResolutionFactor(){return this._defaultScaleCanvasResolutionFactor}set defaultScaleCanvasResolutionFactor(e){this._defaultScaleCanvasResolutionFactor=e}get scaleCanvasResolutionFactor(){return this._scaleCanvasResolutionFactor}set scaleCanvasResolutionFactor(e){this._scaleCanvasResolutionFactor=e||.6}get delayBeforeRestore(){return this._delayBeforeRestore}set delayBeforeRestore(e){this._delayBeforeRestore=e}get delayBeforeRestoreSeconds(){return this._delayBeforeRestoreSeconds}set delayBeforeRestoreSeconds(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}send(e,t){}destroy(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),super.destroy()}}class Lu{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLTF(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getGLB(e,t,i){y.loadArraybuffer(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getArrayBuffer(e,t,i,s){!function(e,t,i,s){var r=()=>{};i=i||r,s=s||r;const o=/^data:(.*?)(;base64)?,(.*)$/,n=t.match(o);if(n){const e=!!n[2];var a=n[3];a=window.decodeURIComponent(a),e&&(a=window.atob(a));try{const e=new ArrayBuffer(a.length),t=new Uint8Array(e);for(var l=0;l<a.length;l++)t[l]=a.charCodeAt(l);I.scheduleTask((function(){i(e)}))}catch(e){I.scheduleTask((function(){s(e)}))}}else{const r=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),o=r+t,n=new XMLHttpRequest;n.open("GET",o,!0),n.responseType="arraybuffer",n.onreadystatechange=function(){4===n.readyState&&(200===n.status?i(n.response):s("loadArrayBuffer error : "+n.response))},n.send(null)}}(this._cacheBusterURL(e),t,(e=>{i(e)}),(function(e){s(e)}))}}class Uu{constructor(e={}){this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=e.messages,this.locale=e.locale}set messages(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}loadMessages(e={}){for(let t in e)this._messages[t]=e[t];this.messages=this._messages}clearMessages(){this.messages={}}get locales(){return this._locales}set locale(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}get locale(){return this._locale}translate(e,t){const i=this._messages[this._locale];if(!i)return null;const s=Ou(e,i);return s?t?ku(s,t):s:null}translatePlurals(e,t,i){const s=this._messages[this._locale];if(!s)return null;let r=Ou(e,s);return r=0===(t=parseInt(""+t,10))?r.zero:t>1?r.other:r.one,r?(r=ku(r,[t]),i&&(r=ku(r,i)),r):null}fire(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);const s=this._eventSubs[e];if(s)for(const e in s)if(s.hasOwnProperty(e)){s[e].callback(t)}}on(t,i){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new e),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});let s=this._eventSubs[t];s||(s={},this._eventSubs[t]=s);const r=this._eventSubIDMap.addItem();s[r]={callback:i},this._eventSubEvents[r]=t;const o=this._events[t];return void 0!==o&&i(o),r}off(e){if(null==e)return;if(!this._eventSubEvents)return;const t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];const i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}function Ou(e,t){if(t[e])return t[e];const i=e.split(".");let s=t;for(let e=0,t=i.length;s&&e<t;e++){s=s[i[e]]}return s}function ku(e,t=[]){return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}class Nu extends R{constructor(e,t={}){super(e,t),this.t=t.t}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get tangent(){return this.getTangent(this._t)}get length(){var e=this._getLengths();return e[e.length-1]}getTangent(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,s=e+t;i<0&&(i=0),s>1&&(s=1);var r=this.getPoint(i),o=this.getPoint(s),n=d.subVec3(o,r,[]);return d.normalizeVec3(n,[])}getPointAt(e){var t=this.getUToTMapping(e);return this.getPoint(t)}getPoints(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}_getLengths(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,s=[],r=this.getPoint(0),o=0;for(s.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),o+=d.lenVec3(d.subVec3(t,r,[])),s.push(o),r=t;return this.cacheArcLengths=s,s}_updateArcLengths(){this.needsUpdate=!0,this._getLengths()}getUToTMapping(e,t){var i,s=this._getLengths(),r=0,o=s.length;i=t||e*s[o-1];for(var n,a=0,l=o-1;a<=l;)if((n=s[r=Math.floor(a+(l-a)/2)]-i)<0)a=r+1;else{if(!(n>0)){l=r;break}l=r-1}if(s[r=l]===i)return r/(o-1);var A=s[r];return(r+(i-A)/(s[r+1]-A))/(o-1)}}class Qu extends Nu{constructor(e,t={}){super(e,t),this.points=t.points,this.t=t.t}set points(e){this._points=e||[]}get points(){return this._points}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,s=Math.floor(i),r=i-s,o=t[0===s?s:s-1],n=t[s],a=t[s>t.length-2?t.length-1:s+1],l=t[s>t.length-3?t.length-1:s+2],A=d.vec3();return A[0]=d.catmullRomInterpolate(o[0],n[0],a[0],l[0],r),A[1]=d.catmullRomInterpolate(o[1],n[1],a[1],l[1],r),A[2]=d.catmullRomInterpolate(o[2],n[2],a[2],l[2],r),A}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}getJSON(){return{points:points,t:this._t}}}const Vu=d.vec3();class Hu extends R{get type(){return"CameraPath"}constructor(e,t={}){super(e,t),this._frames=[],this._eyeCurve=new Qu(this),this._lookCurve=new Qu(this),this._upCurve=new Qu(this),t.frames&&(this.addFrames(t.frames),this.smoothFrameTimes(1))}get frames(){return this._frames}get eyeCurve(){return this._eyeCurve}get lookCurve(){return this._lookCurve}get upCurve(){return this._upCurve}saveFrame(e){const t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}addFrame(e,t,i,s){const r={t:e,eye:t.slice(0),look:i.slice(0),up:s.slice(0)};this._frames.push(r),this._eyeCurve.points.push(r.eye),this._lookCurve.points.push(r.look),this._upCurve.points.push(r.up)}addFrames(e){let t;for(let i=0,s=e.length;i<s;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}loadFrame(e){const t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,Vu),t.look=this._lookCurve.getPoint(e,Vu),t.up=this._upCurve.getPoint(e,Vu)}sampleFrame(e,t,i,s){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,s)}smoothFrameTimes(e){if(0===this._frames.length)return;const t=d.vec3();var i=0;this._frames[0].t=0;const s=[];for(let e=1,o=this._frames.length;e<o;e++){var r=d.lenVec3(d.subVec3(this._frames[e].eye,this._frames[e-1].eye,t));s[e]=r,i+=r}for(let t=1,r=this._frames.length;t<r;t++){const r=s[t]/i*e;this._frames[t].t=this._frames[t-1].t+r}}clearFrames(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}const ju=d.vec3(),Gu=d.vec3(),zu=d.vec3(),Ku=d.vec3(),Wu=d.vec3();class Xu extends R{get type(){return"CameraFlightAnimation"}constructor(e,t={}){super(e,t),this._look1=d.vec3(),this._eye1=d.vec3(),this._up1=d.vec3(),this._look2=d.vec3(),this._eye2=d.vec3(),this._up2=d.vec3(),this._orthoScale1=1,this._orthoScale2=1,this._flying=!1,this._flyEyeLookUp=!1,this._flyingEye=!1,this._flyingLook=!1,this._callback=null,this._callbackScope=null,this._time1=null,this._time2=null,this.easing=!1!==t.easing,this.duration=t.duration,this.fit=t.fit,this.fitFOV=t.fitFOV,this.trail=t.trail}flyTo(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;const s=this.scene.camera,r=!!e.projection&&e.projection!==s.projection;let o,n,a,l,A;if(this._eye1[0]=s.eye[0],this._eye1[1]=s.eye[1],this._eye1[2]=s.eye[2],this._look1[0]=s.look[0],this._look1[1]=s.look[1],this._look1[2]=s.look[2],this._up1[0]=s.up[0],this._up1[1]=s.up[1],this._up1[2]=s.up[2],this._orthoScale1=s.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)o=e.aabb;else if(6===e.length)o=e;else if(e.eye&&e.look||e.up)n=e.eye,a=e.look,l=e.up;else if(e.eye)n=e.eye;else if(e.look)a=e.look;else{let s=e;if((y.isNumeric(s)||y.isString(s))&&(A=s,s=this.scene.components[A],!s))return this.error("Component not found: "+y.inQuotes(A)),void(t&&(i?t.call(i):t()));r||(o=s.aabb||this.scene.aabb)}const h=e.poi;if(o){if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return;if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return;o=o.slice();const t=d.getAABB3Center(o);this._look2=h||t;const i=d.subVec3(this._eye1,this._look1,ju),s=d.normalizeVec3(i),r=h?d.getAABB3DiagPoint(o,h):d.getAABB3Diag(o),n=e.fitFOV||this._fitFOV,a=Math.abs(r/Math.tan(n*d.DEGTORAD));this._orthoScale2=1.1*r,this._eye2[0]=this._look2[0]+s[0]*a,this._eye2[1]=this._look2[1]+s[1]*a,this._eye2[2]=this._look2[2]+s[2]*a,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(n||a||l)&&(this._flyingEyeLookUp=!!n&&!!a&&!!l,this._flyingEye=!!n&&!a,this._flyingLook=!!a&&!n,n&&(this._eye2[0]=n[0],this._eye2[1]=n[1],this._eye2[2]=n[2]),a&&(this._look2[0]=a[0],this._look2[1]=a[1],this._look2[2]=a[2]),l&&(this._up2[0]=l[0],this._up2[1]=l[1],this._up2[2]=l[2]));r?("ortho"===e.projection&&"ortho"!==s.projection&&(this._projection2="ortho",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.ortho.matrix.slice(),s.projection="customProjection"),"perspective"===e.projection&&"perspective"!==s.projection&&(this._projection2="perspective",this._projMatrix1=s.projMatrix.slice(),this._projMatrix2=s.perspective.matrix.slice(),s.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,I.scheduleTask(this._update,this)}jumpTo(e){this._jumpTo(e)}_jumpTo(e){this._flying&&this.stop();const t=this.scene.camera;var i,s,r,o,n;if(e.aabb)i=e.aabb;else if(6===e.length)i=e;else if(e.eye||e.look||e.up)r=e.eye,o=e.look,n=e.up;else{let t=e;if((y.isNumeric(t)||y.isString(t))&&(s=t,t=this.scene.components[s],!t))return void this.error("Component not found: "+y.inQuotes(s));i=t.aabb||this.scene.aabb}const a=e.poi;if(i){if(i[3]<=i[0]||i[4]<=i[1]||i[5]<=i[2])return;var l=a?d.getAABB3DiagPoint(i,a):d.getAABB3Diag(i);let s;o=a||d.getAABB3Center(i,o),this._trail?d.subVec3(t.look,o,Wu):d.subVec3(t.eye,t.look,Wu),d.normalizeVec3(Wu);s=(void 0!==e.fit?e.fit:this._fit)?Math.abs(l/Math.tan((e.fitFOV||this._fitFOV)*d.DEGTORAD)):d.lenVec3(d.subVec3(t.eye,t.look,ju)),d.mulVec3Scalar(Wu,s),t.eye=d.addVec3(o,Wu,ju),t.look=o,this.scene.camera.ortho.scale=1.1*l}else(r||o||n)&&(r&&(t.eye=r),o&&(t.look=o),n&&(t.up=n));e.projection&&(t.projection=e.projection)}_update(){if(!this._flying)return;let e=(Date.now()-this._time1)/(this._time2-this._time1);const t=e>=1;e>1&&(e=1);const i=this.easing?Xu._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(d.subVec3(s.eye,s.look,Wu),s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,zu),s.look=d.subVec3(zu,Wu,Gu)):this._flyingLook&&(s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Gu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Ku)):this._flyingEyeLookUp&&(s.eye=d.lerpVec3(i,0,1,this._eye1,this._eye2,zu),s.look=d.lerpVec3(i,0,1,this._look1,this._look2,Gu),s.up=d.lerpVec3(i,0,1,this._up1,this._up2,Ku)),this._projection2){const t="ortho"===this._projection2?Xu._easeOutExpo(e,0,1,1):Xu._easeInCubic(e,0,1,1);s.customProjection.matrix=d.lerpMat4(t,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();I.scheduleTask(this._update,this)}static _ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}static _easeInCubic(e,t,i,s){return i*(e/=s)*e*e+t}static _easeOutExpo(e,t,i,s){return i*(1-Math.pow(2,-10*e/s))+t}stop(){if(!this._flying)return;this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);const e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}cancel(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}set duration(e){this._duration=e?1e3*e:500,this.stop()}get duration(){return this._duration/1e3}set fit(e){this._fit=!1!==e}get fit(){return this._fit}set fitFOV(e){this._fitFOV=e||45}get fitFOV(){return this._fitFOV}set trail(e){this._trail=!!e}get trail(){return this._trail}destroy(){this.stop(),super.destroy()}}class Ju extends R{get type(){return"CameraPathAnimation"}constructor(e,t={}){super(e,t),this._cameraFlightAnimation=new Xu(this),this._t=0,this.state=Ju.SCRUBBING,this._playingFromT=0,this._playingToT=0,this._playingRate=t.playingRate||1,this._playingDir=1,this._lastTime=null,this.cameraPath=t.cameraPath,this._tick=this.scene.on("tick",this._updateT,this)}_updateT(){const e=this._cameraPath;if(!e)return;let t,i;const s=performance.now(),r=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==r)switch(this.state){case Ju.SCRUBBING:return;case Ju.PLAYING:if(this._t+=this._playingRate*r,t=this._cameraPath.frames.length,0===t||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=Ju.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case Ju.PLAYING_TO:i=this._t+this._playingRate*r*this._playingDir,(this._playingDir<0&&i<=this._playingToT||this._playingDir>0&&i>=this._playingToT)&&(i=this._playingToT,this.state=Ju.SCRUBBING,this.fire("stopped")),this._t=i,e.loadFrame(this._t)}}_ease(e,t,i,s){return-i*(e/=s)*(e-2)+t}set cameraPath(e){this._cameraPath=e}get cameraPath(){return this._cameraPath}set rate(e){this._playingRate=e}get rate(){return this._playingRate}play(){this._cameraPath&&(this._lastTime=null,this.state=Ju.PLAYING)}playToT(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=Ju.PLAYING_TO)}playToFrame(e){const t=this._cameraPath;if(!t)return;const i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}flyToFrame(e,t){const i=this._cameraPath;if(!i)return;const s=i.frames[e];s?(this.state=Ju.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}scrubToT(e){const t=this._cameraPath;if(!t)return;this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=Ju.SCRUBBING)}scrubToFrame(e){const t=this._cameraPath;if(!t)return;if(!this.scene.camera)return;t.frames[e]?(t.loadFrame(this._t),this.state=Ju.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)}stop(){this.state=Ju.SCRUBBING,this.fire("stopped")}destroy(){super.destroy(),this.scene.off(this._tick)}}Ju.STOPPED=0,Ju.SCRUBBING=1,Ju.PLAYING=2,Ju.PLAYING_TO=3;const Yu=d.vec3(),Zu=d.vec3();d.vec3();const qu=d.vec3([0,-1,0]),$u=d.vec4([0,0,0,1]);class ed extends R{constructor(e,t={}){super(e,t),this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new Po(this),this._plane=new Gr(this,{geometry:new bi(this,Lo({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new xi(this,{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:this._texture,emissiveMap:this._texture,backfaces:!0}),clippable:t.clippable}),this._grid=new Gr(this,{geometry:new bi(this,Ro({size:1,divisions:10})),material:new xi(this,{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:t.clippable}),this._node=new ao(this,{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[this._plane,this._grid]}),this._gridVisible=!1,this.visible=!0,this.gridVisible=t.gridVisible,this.position=t.position,this.rotation=t.rotation,this.dir=t.dir,this.size=t.size,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,t.image?this.image=t.image:this.src=t.src}set visible(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}get visible(){return this._plane.visible}set gridVisible(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}get gridVisible(){return this._gridVisible}set image(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set position(e){this._pos.set(e||[0,0,0]),ee(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}get position(){return this._pos}set rotation(e){this._node.rotation=e}get rotation(){return this._node.rotation}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set dir(e){if(this._dir.set(e||[0,0,-1]),e){const t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];d.subVec3(t,this.position,Yu);const s=-d.dotVec3(i,Yu);d.normalizeVec3(i),d.mulVec3Scalar(i,s,Zu),d.vec3PairToQuaternion(qu,e,$u),this._node.quaternion=$u}}get dir(){return this._dir}set collidable(e){this._node.collidable=!1!==e}get collidable(){return this._node.collidable}set clippable(e){this._node.clippable=!1!==e}get clippable(){return this._node.clippable}set pickable(e){this._node.pickable=!1!==e}get pickable(){return this._node.pickable}set opacity(e){this._node.opacity=e}get opacity(){return this._node.opacity}destroy(){super.destroy()}_updatePlaneSizeFromImage(){const e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){const s=i/t;this._node.scale=[e,1,e*s]}else{const s=t/i;this._node.scale=[e*s,1,e]}}}class td extends ni{get type(){return"PointLight"}constructor(e,t={}){super(e,t);const i=this;this._shadowRenderBuf=null,this._shadowViewMatrix=null,this._shadowProjMatrix=null,this._shadowViewMatrixDirty=!0,this._shadowProjMatrixDirty=!0;const s=this.scene.camera,r=this.scene.canvas;this._onCameraViewMatrix=s.on("viewMatrix",(()=>{this._shadowViewMatrixDirty=!0})),this._onCameraProjMatrix=s.on("projMatrix",(()=>{this._shadowProjMatrixDirty=!0})),this._onCanvasBoundary=r.on("boundary",(()=>{this._shadowProjMatrixDirty=!0})),this._state=new kt({type:"point",pos:d.vec3([1,1,1]),color:d.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:t.space||"view",castsShadow:!1,getShadowViewMatrix:()=>{if(i._shadowViewMatrixDirty){i._shadowViewMatrix||(i._shadowViewMatrix=d.identityMat4());const e=i._state.pos,t=s.look,r=s.up;d.lookAtMat4v(e,t,r,i._shadowViewMatrix),i._shadowViewMatrixDirty=!1}return i._shadowViewMatrix},getShadowProjMatrix:()=>{if(i._shadowProjMatrixDirty){i._shadowProjMatrix||(i._shadowProjMatrix=d.identityMat4());const e=i.scene.canvas.canvas;d.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,i._shadowProjMatrix),i._shadowProjMatrixDirty=!1}return i._shadowProjMatrix},getShadowRenderBuf:()=>(i._shadowRenderBuf||(i._shadowRenderBuf=new Dt(i.scene.canvas.canvas,i.scene.canvas.gl,{size:[1024,1024]})),i._shadowRenderBuf)}),this.pos=t.pos,this.color=t.color,this.intensity=t.intensity,this.constantAttenuation=t.constantAttenuation,this.linearAttenuation=t.linearAttenuation,this.quadraticAttenuation=t.quadraticAttenuation,this.castsShadow=t.castsShadow,this.scene._lightCreated(this)}set pos(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}get pos(){return this._state.pos}set color(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}get color(){return this._state.color}set intensity(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}get intensity(){return this._state.intensity}set constantAttenuation(e){this._state.attenuation[0]=e||0,this.glRedraw()}get constantAttenuation(){return this._state.attenuation[0]}set linearAttenuation(e){this._state.attenuation[1]=e||0,this.glRedraw()}get linearAttenuation(){return this._state.attenuation[1]}set quadraticAttenuation(e){this._state.attenuation[2]=e||0,this.glRedraw()}get quadraticAttenuation(){return this._state.attenuation[2]}set castsShadow(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}get castsShadow(){return this._state.castsShadow}destroy(){const e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),super.destroy(),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}function id(e){if(!sd(e.width)||!sd(e.height)){const t=document.createElement("canvas");t.width=rd(e.width),t.height=rd(e.height);t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function sd(e){return 0==(e&e-1)}function rd(e){--e;for(let t=1;t<32;t<<=1)e|=e>>t;return e+1}class od extends R{get type(){return"CubeTexture"}constructor(e,t={}){super(e,t);const i=this.scene.canvas.gl;this._state=new kt({texture:new _o({gl:i,target:i.TEXTURE_CUBE_MAP}),flipY:this._checkFlipY(t.minFilter),encoding:this._checkEncoding(t.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),this._src=t.src,this._images=[],this._loadSrc(t.src),m.memory.textures++}_checkFlipY(e){return!!e}_checkEncoding(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}_webglContextRestored(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}_loadSrc(e){const t=this,i=this.scene.canvas.gl;this._images=[];let s=!1,r=0;for(let o=0;o<e.length;o++){const n=new Image;n.onload=function(){let e=n;const a=o;return function(){if(!s&&(e=id(e),t._images[a]=e,r++,6===r)){let e=t._state.texture;e||(e=new _o({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}}(),n.onerror=function(){s=!0},n.src=e[o]}}destroy(){super.destroy(),this._state.texture&&this._state.texture.destroy(),m.memory.textures--,this._state.destroy()}}class nd extends od{get type(){return"ReflectionMap"}constructor(e,t={}){super(e,t),this.scene._lightsState.addReflectionMap(this._state),this.scene._reflectionMapCreated(this)}destroy(){super.destroy(),this.scene._reflectionMapDestroyed(this)}}class ad extends od{get type(){return"LightMap"}constructor(e,t={}){super(e,t),this.scene._lightMapCreated(this)}destroy(){super.destroy(),this.scene._lightMapDestroyed(this)}}class ld extends _e{constructor(e,t={}){super(e,{entity:t.entity,occludable:t.occludable,worldPos:t.worldPos}),this._occluded=!1,this._visible=!0,this._src=null,this._image=null,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._dir=d.vec3(),this._size=1,this._imageSize=d.vec2(),this._texture=new Po(this,{src:t.src}),this._geometry=new bi(this,{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),this._mesh=new Gr(this,{geometry:this._geometry,material:new xi(this,{ambient:[.9,.3,.9],shininess:30,diffuseMap:this._texture,backfaces:!0}),scale:[1,1,1],position:t.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),this.visible=!0,this.collidable=t.collidable,this.clippable=t.clippable,this.pickable=t.pickable,this.opacity=t.opacity,this.size=t.size,t.image?this.image=t.image:this.src=t.src}_setVisible(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,super._setVisible(e)}set visible(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}get visible(){return this._visible}set image(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}get image(){return this._image}set src(e){if(this._src=e,this._src){this._image=null;const e=new Image;e.onload=()=>{this._texture.image=e,this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage()},e.src=this._src}}get src(){return this._src}set size(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}get size(){return this._size}set collidable(e){this._mesh.collidable=!1!==e}get collidable(){return this._mesh.collidable}set clippable(e){this._mesh.clippable=!1!==e}get clippable(){return this._mesh.clippable}set pickable(e){this._mesh.pickable=!1!==e}get pickable(){return this._mesh.pickable}set opacity(e){this._mesh.opacity=e}get opacity(){return this._mesh.opacity}_updatePlaneSizeFromImage(){const e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],s=i/t;this._geometry.positions=t>i?[e,e*s,0,-e,e*s,0,-e,-e*s,0,e,-e*s,0]:[e/s,e,0,-e/s,e,0,-e/s,-e,0,e/s,-e,0]}}class Ad{constructor(e){this._eye=d.vec3(),this._look=d.vec3(),this._up=d.vec3(),this._projection={},e&&this.saveCamera(e)}saveCamera(e){const t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}restoreCamera(e,t){const i=e.camera,s=this._projection;function r(){switch(s.type){case"perspective":i.perspective.fov=s.fov,i.perspective.fovAxis=s.fovAxis,i.perspective.near=s.near,i.perspective.far=s.far;break;case"ortho":i.ortho.scale=s.scale,i.ortho.near=s.near,i.ortho.far=s.far;break;case"frustum":i.frustum.left=s.left,i.frustum.right=s.right,i.frustum.top=s.top,i.frustum.bottom=s.bottom,i.frustum.near=s.near,i.frustum.far=s.far;break;case"custom":i.customProjection.matrix=s.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:s.scale,projection:s.projection},(()=>{r(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,r(),i.projection=s.projection)}}const hd=d.vec3();class cd{constructor(e){if(this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,e){const t=e.metaScene.scene;this.saveObjects(t,e)}}saveObjects(e,t,i){this.numObjects=0,this._mask=i?y.apply(i,{}):null;const s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];if(t){if(s&&(this.objectsVisible[e]=t.visible),r&&(this.objectsEdges[e]=t.edges),o&&(this.objectsXrayed[e]=t.xrayed),n&&(this.objectsHighlighted[e]=t.highlighted),a&&(this.objectsSelected[e]=t.selected),l&&(this.objectsClippable[e]=t.clippable),A&&(this.objectsPickable[e]=t.pickable),h){const i=t.colorize;this.objectsColorize[3*e+0]=i[0],this.objectsColorize[3*e+1]=i[1],this.objectsColorize[3*e+2]=i[2]}c&&(this.objectsOpacity[e]=t.opacity),this.numObjects++}}}restoreObjects(e,t){const i=this._mask,s=!i||i.visible,r=!i||i.edges,o=!i||i.xrayed,n=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,A=!i||i.pickable,h=!i||i.colorize,c=!i||i.opacity,u=t.metaObjects,d=e.objects;for(let e=0,t=u.length;e<t;e++){const t=d[u[e].id];t&&(s&&(t.visible=this.objectsVisible[e]),r&&(t.edges=this.objectsEdges[e]),o&&(t.xrayed=this.objectsXrayed[e]),n&&(t.highlighted=this.objectsHighlighted[e]),a&&(t.selected=this.objectsSelected[e]),l&&(t.clippable=this.objectsClippable[e]),A&&(t.pickable=this.objectsPickable[e]),h&&(hd[0]=this.objectsColorize[3*e+0],hd[1]=this.objectsColorize[3*e+1],hd[2]=this.objectsColorize[3*e+2],t.colorize=hd),c&&(t.opacity=this.objectsOpacity[e]))}}}const ud=d.vec3();class dd{constructor(){this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}saveObjects(e,t){this.numObjects=0,this._mask=t?y.apply(t,{}):null;const i=e.objects,s=!t||t.visible,r=!t||t.edges,o=!t||t.xrayed,n=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,A=!t||t.pickable,h=!t||t.colorize,c=!t||t.opacity;for(let e in i)if(i.hasOwnProperty(e)){const t=i[e],u=this.numObjects;if(s&&(this.objectsVisible[u]=t.visible),r&&(this.objectsEdges[u]=t.edges),o&&(this.objectsXrayed[u]=t.xrayed),n&&(this.objectsHighlighted[u]=t.highlighted),a&&(this.objectsSelected[u]=t.selected),l&&(this.objectsClippable[u]=t.clippable),A&&(this.objectsPickable[u]=t.pickable),h){const e=t.colorize;e?(this.objectsColorize[3*u+0]=e[0],this.objectsColorize[3*u+1]=e[1],this.objectsColorize[3*u+2]=e[2],this.objectsHasColorize[u]=!0):this.objectsHasColorize[u]=!1}c&&(this.objectsOpacity[u]=t.opacity),this.numObjects++}}restoreObjects(e){const t=this._mask,i=!t||t.visible,s=!t||t.edges,r=!t||t.xrayed,o=!t||t.highlighted,n=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,A=!t||t.colorize,h=!t||t.opacity;var c=0;const u=e.objects;for(let e in u)if(u.hasOwnProperty(e)){const t=u[e];i&&(t.visible=this.objectsVisible[c]),s&&(t.edges=this.objectsEdges[c]),r&&(t.xrayed=this.objectsXrayed[c]),o&&(t.highlighted=this.objectsHighlighted[c]),n&&(t.selected=this.objectsSelected[c]),a&&(t.clippable=this.objectsClippable[c]),l&&(t.pickable=this.objectsPickable[c]),A&&(this.objectsHasColorize[c]?(ud[0]=this.objectsColorize[3*c+0],ud[1]=this.objectsColorize[3*c+1],ud[2]=this.objectsColorize[3*c+2],t.colorize=ud):t.colorize=null),h&&(t.opacity=this.objectsOpacity[c]),c++}}}class pd extends Nu{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.v3=t.v3,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set v3(e){this.fire("v3",this._v3=e||d.vec3([0,0,0]))}get v3(){return this._v3}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=d.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=d.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}class fd extends Nu{constructor(e,t={}){super(e,t),this._cachedLengths=[],this._dirty=!0,this._curves=[],this._t=0,this._dirtySubs=[],this._destroyedSubs=[],this.curves=t.curves||[],this.t=t.t}addCurve(e){this._curves.push(e),this._dirty=!0}set curves(e){var t,i,s;for(e=e||[],i=0,s=this._curves.length;i<s;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var r=this;function o(){r._dirty=!0}function n(){var e=this.id;for(i=0,s=r._curves.length;i<s;i++)if(r._curves[i].id===e)return r._curves=r._curves.slice(i,i+1),r._dirtySubs=r._dirtySubs.slice(i,i+1),r._destroyedSubs=r._destroyedSubs.slice(i,i+1),void(r._dirty=!0)}for(i=0,s=e.length;i<s;i++){if(t=e[i],y.isNumeric(t)||y.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",o)),this._destroyedSubs.push(t.once("destroyed",n))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}get curves(){return this._curves}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}get length(){var e=this._getCurveLengths();return e[e.length-1]}getPoint(e){for(var t,i=e*this.length,s=this._getCurveLengths(),r=0;r<s.length;){if(s[r]>=i){var o=1-(s[r]-i)/(t=this._curves[r]).length;return t.getPointAt(o)}r++}return null}_getCurveLengths(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,s=this._curves.length;for(e=0;e<s;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}_getJSON(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}destroy(){var e,t,i;for(super.destroy(),e=0,t=this._curves.length;e<t;e++)(i=this._curves[e]).off(this._dirtySubs[e]),i.off(this._destroyedSubs[e])}}class gd extends Nu{constructor(e,t={}){super(e,t),this.v0=t.v0,this.v1=t.v1,this.v2=t.v2,this.t=t.t}set v0(e){this._v0=e||d.vec3([0,0,0])}get v0(){return this._v0}set v1(e){this._v1=e||d.vec3([0,0,0])}get v1(){return this._v1}set v2(e){this._v2=e||d.vec3([0,0,0])}get v2(){return this._v2}set t(e){e=e||0,this._t=e<0?0:e>1?1:e}get t(){return this._t}get point(){return this.getPoint(this._t)}getPoint(e){var t=d.vec3();return t[0]=d.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=d.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=d.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}getJSON(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}class md extends hu{constructor(e,t={}){super(e,t)}}class _d extends R{constructor(e,t={}){super(e,t),this._skyboxMesh=new Gr(this,{geometry:new bi(this,{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new xi(this,{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new Po(this,{src:t.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:t.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),this.size=t.size,this.active=t.active}set size(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}get size(){return this._size}set active(e){this._skyboxMesh.visible=e}get active(){return this._skyboxMesh.visible}}class vd{transcode(e,t,i={}){}destroy(){}}const bd=d.vec4(),yd=d.vec4(),Bd=d.vec3(),wd=d.vec3(),Pd=d.vec3(),xd=d.vec4(),Cd=d.vec4(),Md=d.vec4();class Ed{constructor(e){this._scene=e}dollyToCanvasPos(e,t,i){let s=!1;const r=this._scene.camera;if(e){const t=d.subVec3(e,r.eye,Bd);s=d.lenVec3(t)<i}if("perspective"===r.projection){r.ortho.scale=r.ortho.scale-i;const s=this._unproject(t,xd),o=d.subVec3(s,r.eye,Md),n=d.mulVec3Scalar(d.normalizeVec3(o),-i,[]);if(r.eye=[r.eye[0]-n[0],r.eye[1]-n[1],r.eye[2]-n[2]],r.look=[r.look[0]-n[0],r.look[1]-n[1],r.look[2]-n[2]],e){const t=d.subVec3(e,r.eye,Bd),i=d.lenVec3(t),s=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,wd)),i);r.look=[r.eye[0]+s[0],r.eye[1]+s[1],r.eye[2]+s[2]]}}else if("ortho"===r.projection){const e=this._unproject(t,xd);r.ortho.scale=r.ortho.scale-i,r.ortho._update();const s=this._unproject(t,Cd),o=d.subVec3(s,e,Md),n=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(r.look,r.eye,Bd)),-i,wd),a=d.addVec3(o,n,Pd);r.eye=[r.eye[0]-a[0],r.eye[1]-a[1],r.eye[2]-a[2]],r.look=[r.look[0]-a[0],r.look[1]-a[1],r.look[2]-a[2]]}return s}_unproject(e,t){const i=this._scene.camera,s=i.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o);return i.project.unproject(e,a,bd,yd,t),t}destroy(){}}const Fd=d.vec3(),Id=d.vec3(),Dd=d.vec3(),Sd=d.vec4(),Td=d.vec4(),Rd=d.vec4();class Ld{constructor(e,t){this._scene=e,this._configs=t,this._pivotWorldPos=d.vec3(),this._cameraOffset=d.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=d.vec3(),this._rtcPos=d.vec3(),this._pivotViewPos=d.vec4(),this._pivotProjPos=d.vec4(),this._pivotCanvasPos=d.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(()=>{this._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(()=>{this._cameraDirty=!0})),this._onTick=this._scene.on("tick",(()=>{this.updatePivotElement(),this.updatePivotSphere()}))}createPivotSphere(){const e=this.getPivotPos(),t=d.vec3();d.decomposeMat4(d.inverseMat4(this._scene.viewer.camera.viewMatrix,d.mat4()),t,d.vec4(),d.vec3());const i=d.distVec3(t,e);let s=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(s/=this._scene.camera.ortho.scale/2),ee(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new Eo(this._scene,Wr({radius:s})),this._pivotSphere=new Gr(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}destroyPivotSphere(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}updatePivotElement(){const e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){d.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,d.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);const i=t.boundary,s=i[2],r=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*s/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*r/2);let o=t._lastBoundingClientRect;if(!o||t._canvasSizeChanged){const e=t.canvas;o=t._lastBoundingClientRect=e.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(o.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(o.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}updatePivotSphere(){this._pivoting&&this._pivotSphere&&(ee(this.getPivotPos(),this._rtcCenter,this._rtcPos),d.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}setPivotElement(e){this._pivotElement=e}enablePivotSphere(e={}){this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);const t=e.color||[1,0,0];this._pivotSphereMaterial=new xi(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}disablePivotSphere(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}startPivot(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;const e=this._scene.camera;let t=d.lookAtMat4v(e.eye,e.look,e.worldUp);d.transformPoint3(t,this.getPivotPos(),this._cameraOffset);const i=this.getPivotPos();this._cameraOffset[2]+=d.distVec3(e.eye,i),t=d.inverseMat4(t);const s=d.transformVec3(t,this._cameraOffset),r=d.vec3();if(d.subVec3(e.eye,i,r),d.addVec3(r,s),e.zUp){const e=r[1];r[1]=r[2],r[2]=e}this._radius=d.lenVec3(r),this._polar=Math.acos(r[1]/this._radius),this._azimuth=Math.atan2(r[0],r[2]),this._pivoting=!0}_cameraLookingDownwards(){const e=this._scene.camera,t=d.normalizeVec3(d.subVec3(e.look,e.eye,Fd)),i=d.cross3Vec3(t,e.worldUp,Id);return d.sqLenVec3(i)<=1e-4}getPivoting(){return this._pivoting}setPivotPos(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}setCanvasPivotPos(e){const t=this._scene.camera,i=Math.abs(d.distVec3(this._scene.center,t.eye)),s=t.project.transposedMatrix,r=s.subarray(8,12),o=s.subarray(12),n=[0,0,-1,1],a=d.dotVec4(n,r)/d.dotVec4(n,o),l=Sd;t.project.unproject(e,a,Td,Rd,l);const A=d.normalizeVec3(d.subVec3(l,t.eye,Fd)),h=d.addVec3(t.eye,d.mulVec3Scalar(A,i,Id),Dd);this.setPivotPos(h)}getPivotPos(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}continuePivot(e,t){if(!this._pivoting)return;if(0===e&&0===t)return;const i=this._scene.camera;var s=-e;const r=-t;1===i.worldUp[2]&&(s=-s),this._azimuth+=.01*-s,this._polar+=.01*r,this._polar=d.clamp(this._polar,.001,Math.PI-.001);const o=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){const e=o[1];o[1]=o[2],o[2]=e}const n=d.lenVec3(d.subVec3(i.look,i.eye,d.vec3())),a=this.getPivotPos();d.addVec3(o,a);let l=d.lookAtMat4v(o,a,i.worldUp);l=d.inverseMat4(l);const A=d.transformVec3(l,this._cameraOffset);l[12]-=A[0],l[13]-=A[1],l[14]-=A[2];const h=[l[8],l[9],l[10]];i.eye=[l[12],l[13],l[14]],d.subVec3(i.eye,d.mulVec3Scalar(h,n),i.look),i.up=[l[4],l[5],l[6]],this.showPivot()}showPivot(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}hidePivot(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}endPivot(){this._pivoting=!1}destroy(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}class Ud{constructor(e,t){this._scene=e.scene,this._cameraControl=e,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=t,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=d.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}update(){if(!this._configs.pointerEnabled)return;if(!this.schedulePickEntity&&!this.schedulePickSurface)return;const e=`${~~this.pickCursorPos[0]}-${~~this.pickCursorPos[1]}-${this.scheduleSnapOrPick}-${this.schedulePickSurface}-${this.schedulePickEntity}`;if(this._lastHash===e)return;this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;const t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){const e=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});e&&(e.snappedToEdge||e.snappedToVertex)?(this.snapPickResult=e,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){const e=this.pickResult.canvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){const e=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(e[0]===this.pickCursorPos[0]&&e[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}fireEvents(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){const e=new At;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){const e=this.pickResult.entity.id;this._lastPickedEntityId!==e&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=e)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}const Od=d.vec2();class kd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a,l,A,h=0,c=0,u=0,p=0,f=!1;const g=d.vec3();let m=!0;const _=this._scene.canvas.canvas,v=[];function b(e=!0){h=s.pointerCanvasPos[0],c=s.pointerCanvasPos[1],u=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1],e&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(f=!0,g.set(o.pickResult.worldPos)):f=!1)}document.addEventListener("keydown",this._documentKeyDownHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!0}),document.addEventListener("keyup",this._documentKeyUpHandler=t=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;const s=t.keyCode;v[s]=!1}),document.addEventListener("visibilitychange",this._onVisibilityChange=()=>{v.splice(0)}),window.addEventListener("blur",this._onBlur=()=>{v.splice(0)}),_.addEventListener("mousedown",this._mouseDownHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:v[e.input.KEY_SHIFT]||i.planView?(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b()):(a=!0,v[e.input.MOUSE_LEFT_BUTTON]=!0,b(!1));break;case 2:l=!0,v[e.input.MOUSE_MIDDLE_BUTTON]=!0,b();break;case 3:A=!0,v[e.input.MOUSE_RIGHT_BUTTON]=!0,i.panRightClick&&b()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(!a&&!l&&!A)return;const o=e.canvas.boundary,u=o[2],p=o[3],m=s.pointerCanvasPos[0],_=s.pointerCanvasPos[1],b=i.planView||n._isKeyDownForAction(n.MOUSE_PAN,v),y=n._isKeyDownForAction(n.MOUSE_ROTATE,v),B=document.pointerLockElement?t.movementX:m-h,w=document.pointerLockElement?t.movementY:_-c;if(b){const t=e.camera;if("perspective"===t.projection){const i=Math.abs(f?d.lenVec3(d.subVec3(g,e.camera.eye,[])):e.camera.eyeLookDist)*Math.tan(t.perspective.fov/2*Math.PI/180);r.panDeltaX+=1.5*B*i/p,r.panDeltaY+=1.5*w*i/p}else r.panDeltaX+=.5*t.ortho.scale*(B/p),r.panDeltaY+=.5*t.ortho.scale*(w/p)}else y&&(i.planView||(i.firstPerson?(r.rotateDeltaY-=B/u*i.dragRotationRate/2,r.rotateDeltaX+=w/p*(i.dragRotationRate/4)):(r.rotateDeltaY-=B/u*(1.5*i.dragRotationRate),r.rotateDeltaX+=w/p*(1.5*i.dragRotationRate))));h=m,c=_}),_.addEventListener("mousemove",this._canvasMouseMoveHandler=e=>{i.active&&i.pointerEnabled&&s.mouseover&&(m=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=t=>{if(i.active&&i.pointerEnabled)switch(t.which){case 1:case 2:case 3:a=!1,l=!1,A=!1,v[e.input.MOUSE_LEFT_BUTTON]=!1,v[e.input.MOUSE_MIDDLE_BUTTON]=!1,v[e.input.MOUSE_RIGHT_BUTTON]=!1}}),_.addEventListener("mouseup",this._mouseUpHandler=e=>{if(i.active&&i.pointerEnabled){if(3===e.which){!function(e,t){if(e){let i=e.target,s=0,r=0,o=0,n=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,o+=i.scrollLeft,n+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+o-s,t[1]=e.pageY+n-r}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Od);const i=Od[0],s=Od[1];Math.abs(i-u)<3&&Math.abs(s-p)<3&&t.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Od,event:e},!0)}_.style.removeProperty("cursor")}}),_.addEventListener("mouseenter",this._mouseEnterHandler=()=>{i.active&&i.pointerEnabled});const y=1/60;let B=null;_.addEventListener("wheel",this._mouseWheelHandler=e=>{if(!(i.active&&i.pointerEnabled&&i.zoomOnMouseWheel&&n._isKeyDownForAction(n.MOUSE_DOLLY,v)))return;const t=performance.now()/1e3;var o=null!==B?t-B:0;B=t,o>.05&&(o=.05),o<y&&(o=y);const a=Math.max(-1,Math.min(1,40*-e.deltaY));if(0===a)return;const l=a/Math.abs(a);r.dollyDelta+=-l*o*i.mouseWheelDollyRate,m&&(s.followPointerDirty=!0,m=!1)},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}const Nd=d.vec3(),Qd=d.vec3(),Vd=d.vec3(),Hd=d.vec3(),jd=d.vec3(),Gd={eye:d.vec3(),look:d.vec3(),up:d.vec3()};class zd{constructor(e,t,i,s){this._scene=e;const r=t.cameraControl,o=e.camera;this._onSceneKeyDown=e.input.on("keydown",(()=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const n=r._isKeyDownForAction(r.AXIS_VIEW_RIGHT),a=r._isKeyDownForAction(r.AXIS_VIEW_BACK),l=r._isKeyDownForAction(r.AXIS_VIEW_LEFT),A=r._isKeyDownForAction(r.AXIS_VIEW_FRONT),h=r._isKeyDownForAction(r.AXIS_VIEW_TOP),c=r._isKeyDownForAction(r.AXIS_VIEW_BOTTOM);if(!(n||a||l||A||h||c))return;const u=e.aabb,p=d.getAABB3Diag(u);d.getAABB3Center(u,Nd);const f=Math.abs(p/Math.tan(t.cameraFlight.fitFOV*d.DEGTORAD)),g=1.1*p;Gd.orthoScale=g,n?(Gd.eye.set(d.addVec3(Nd,d.mulVec3Scalar(o.worldRight,f,Qd),jd)),Gd.look.set(Nd),Gd.up.set(o.worldUp)):a?(Gd.eye.set(d.addVec3(Nd,d.mulVec3Scalar(o.worldForward,f,Qd),jd)),Gd.look.set(Nd),Gd.up.set(o.worldUp)):l?(Gd.eye.set(d.addVec3(Nd,d.mulVec3Scalar(o.worldRight,-f,Qd),jd)),Gd.look.set(Nd),Gd.up.set(o.worldUp)):A?(Gd.eye.set(d.addVec3(Nd,d.mulVec3Scalar(o.worldForward,-f,Qd),jd)),Gd.look.set(Nd),Gd.up.set(o.worldUp)):h?(Gd.eye.set(d.addVec3(Nd,d.mulVec3Scalar(o.worldUp,f,Qd),jd)),Gd.look.set(Nd),Gd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,1,Vd),Hd))):c&&(Gd.eye.set(d.addVec3(Nd,d.mulVec3Scalar(o.worldUp,-f,Qd),jd)),Gd.look.set(Nd),Gd.up.set(d.normalizeVec3(d.mulVec3Scalar(o.worldForward,-1,Vd)))),!i.firstPerson&&i.followPointer&&t.pivotController.setPivotPos(Nd),t.cameraFlight.duration>0?t.cameraFlight.flyTo(Gd,(()=>{t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot()})):(t.cameraFlight.jumpTo(Gd),t.pivotController.getPivoting()&&i.followPointer&&t.pivotController.showPivot())}))}reset(){}destroy(){this._scene.input.off(this._onSceneKeyDown)}}class Kd{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=t.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;let l=!1,A=!1;const h=this._scene.canvas.canvas,c=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i&&i.entity?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})},u=e.tickify(this._canvasMouseMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(l||A)return;if(a.hasSubs("rayMove")){const t=d.vec3(),i=d.vec3();d.canvasPosToWorldRay(e.canvas.canvas,e.camera.viewMatrix,e.camera.projMatrix,e.camera.projection,s.pointerCanvasPos,t,i),a.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:t,direction:i,canvasPos:s.pointerCanvasPos}},!0)}const r=a.hasSubs("hover"),n=a.hasSubs("hoverEnter"),h=a.hasSubs("hoverOut"),c=a.hasSubs("hoverOff"),u=a.hasSubs("hoverSurface"),p=a.hasSubs("hoverSnapOrSurface");if(r||n||h||c||u||p)if(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=u,o.scheduleSnapOrPick=p,o.update(),o.pickResult){if(o.pickResult.entity){const t=o.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),a.fire("hoverEnter",o.pickResult,!0),this._lastPickedEntityId=t)}a.fire("hover",o.pickResult,!0),(o.pickResult.worldPos||o.pickResult.snappedWorldPos)&&a.fire("hoverSurface",o.pickResult,!0)}else void 0!==this._lastPickedEntityId&&(a.fire("hoverOut",{entity:e.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),a.fire("hoverOff",{canvasPos:o.pickCursorPos},!0)});h.addEventListener("mousemove",u),h.addEventListener("mousedown",this._canvasMouseDownHandler=t=>{1===t.which&&(l=!0),3===t.which&&(A=!0);if(1===t.which&&i.active&&i.pointerEnabled&&(s.mouseDownClientX=t.clientX,s.mouseDownClientY=t.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!i.firstPerson&&i.followPointer&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickSurface=!0,o.update(),1===t.which))){const t=o.pickResult;t&&t.worldPos?(n.setPivotPos(t.worldPos),n.startPivot(),this._lastClickedWorldPos=t.worldPos.slice()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):this._lastClickedWorldPos?n.setPivotPos(this._lastClickedWorldPos):n.setPivotPos(e.camera.look),n.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=e=>{1===e.which&&(l=!1),3===e.which&&(A=!1),n.getPivoting()&&n.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=r=>{if(!i.active||!i.pointerEnabled)return;if(!(1===r.which))return;if(n.hidePivot(),Math.abs(r.clientX-s.mouseDownClientX)>3||Math.abs(r.clientY-s.mouseDownClientY)>3)return;const l=a.hasSubs("picked"),A=a.hasSubs("pickedNothing"),h=a.hasSubs("pickedSurface"),u=a.hasSubs("doublePicked"),p=a.hasSubs("doublePickedSurface"),f=a.hasSubs("doublePickedNothing");if(!(i.doublePickFlyTo||u||p||f))return(l||A||h)&&(o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=!0,o.schedulePickSurface=h,o.update(),o.pickResult?(a.fire("picked",o.pickResult,!0),o.pickedSurface&&a.fire("pickedSurface",o.pickResult,!0)):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(this._clicks=0);if(this._clicks++,1===this._clicks){o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo,o.schedulePickSurface=h,o.update();const e=o.pickResult,r=o.pickedSurface;this._timeout=setTimeout((()=>{e?(a.fire("picked",e,!0),r&&(a.fire("pickedSurface",e,!0),!i.firstPerson&&i.followPointer&&(t.pivotController.setPivotPos(e.worldPos),t.pivotController.startPivot()&&t.pivotController.showPivot()))):a.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),this._clicks=0}),i.doubleClickTimeFrame)}else{if(null!==this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null),o.pickCursorPos=s.pointerCanvasPos,o.schedulePickEntity=i.doublePickFlyTo||u||p,o.schedulePickSurface=o.schedulePickEntity&&p,o.update(),o.pickResult){if(a.fire("doublePicked",o.pickResult,!0),o.pickedSurface&&a.fire("doublePickedSurface",o.pickResult,!0),i.doublePickFlyTo&&(c(o.pickResult),!i.firstPerson&&i.followPointer)){const e=o.pickResult.entity.aabb,i=d.getAABB3Center(e);t.pivotController.setPivotPos(i),t.pivotController.startPivot()&&t.pivotController.showPivot()}}else if(a.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),i.doublePickFlyTo&&(c(),!i.firstPerson&&i.followPointer)){const i=e.aabb,s=d.getAABB3Center(i);t.pivotController.setPivotPos(s),t.pivotController.startPivot()&&t.pivotController.showPivot()}this._clicks=0}},!1)}reset(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}class Wd{constructor(e,t,i,s,r){this._scene=e;const o=e.input,n=[];e.canvas.canvas;let a=!0;this._onSceneMouseMove=o.on("mousemove",(()=>{a=!0})),this._onSceneKeyDown=o.on("keydown",(t=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(n[t]=!0))})),this._onSceneKeyUp=o.on("keyup",(s=>{i.active&&i.pointerEnabled&&e.input.keyboardEnabled&&(n[s]=!1,t.pivotController.getPivoting()&&t.pivotController.endPivot())})),document.addEventListener("visibilitychange",this._onVisibilityChange=()=>{n.splice(0)}),window.addEventListener("blur",this._onBlur=()=>{n.splice(0)}),this._onTick=e.on("tick",(l=>{if(!i.active||!i.pointerEnabled||!e.input.keyboardEnabled)return;if(i.keyboardEnabledOnlyIfMouseover&&!s.mouseover)return;const A=t.cameraControl,h=l.deltaTime/1e3;if(!i.planView){const e=A._isKeyDownForAction(A.ROTATE_Y_POS,n),s=A._isKeyDownForAction(A.ROTATE_Y_NEG,n),o=A._isKeyDownForAction(A.ROTATE_X_POS,n),a=A._isKeyDownForAction(A.ROTATE_X_NEG,n),l=h*i.keyboardRotationRate;(e||s||o||a)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),e?r.rotateDeltaY+=l:s&&(r.rotateDeltaY-=l),o?r.rotateDeltaX+=l:a&&(r.rotateDeltaX-=l),!i.firstPerson&&i.followPointer&&t.pivotController.startPivot())}if(!n[o.KEY_CTRL]&&!n[o.KEY_ALT]){const e=A._isKeyDownForAction(A.DOLLY_BACKWARDS,n),o=A._isKeyDownForAction(A.DOLLY_FORWARDS,n);if(e||o){const n=h*i.keyboardDollyRate;!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),o?r.dollyDelta-=n:e&&(r.dollyDelta+=n),a&&(s.followPointerDirty=!0,a=!1)}}const c=A._isKeyDownForAction(A.PAN_FORWARDS,n),u=A._isKeyDownForAction(A.PAN_BACKWARDS,n),d=A._isKeyDownForAction(A.PAN_LEFT,n),p=A._isKeyDownForAction(A.PAN_RIGHT,n),f=A._isKeyDownForAction(A.PAN_UP,n),g=A._isKeyDownForAction(A.PAN_DOWN,n),m=(n[o.KEY_ALT]?.3:1)*h*i.keyboardPanRate;(c||u||d||p||f||g)&&(!i.firstPerson&&i.followPointer&&t.pivotController.startPivot(),g?r.panDeltaY+=m:f&&(r.panDeltaY+=-m),p?r.panDeltaX+=-m:d&&(r.panDeltaX+=m),u?r.panDeltaZ+=m:c&&(r.panDeltaZ+=-m))}))}reset(){}destroy(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),this._scene.input.off(this._onSceneKeyUp)}}const Xd=d.vec3();class Jd{constructor(e,t,i,s,r){this._scene=e;const o=e.camera,n=t.pickController,a=t.pivotController,l=t.panController,A=t.cameraControl;let h=1,c=1,u=null;this._onTick=e.on("tick",(()=>{if(!i.active||!i.pointerEnabled)return;let t="default";if(Math.abs(r.dollyDelta)<.001&&(r.dollyDelta=0),Math.abs(r.rotateDeltaX)<.001&&(r.rotateDeltaX=0),Math.abs(r.rotateDeltaY)<.001&&(r.rotateDeltaY=0),0===r.rotateDeltaX&&0===r.rotateDeltaY||(r.dollyDelta=0),i.followPointer){if(--h<=0&&(h=1,0!==r.dollyDelta)){if(0===r.rotateDeltaY&&0===r.rotateDeltaX&&i.followPointer&&s.followPointerDirty&&(n.pickCursorPos=s.pointerCanvasPos,n.schedulePickSurface=!0,n.update(),n.pickResult&&n.pickResult.worldPos?u=n.pickResult.worldPos:(c=1,u=null),s.followPointerDirty=!1),u){const t=Math.abs(d.lenVec3(d.subVec3(u,e.camera.eye,Xd)));c=t/i.dollyProximityThreshold}c<i.dollyMinSpeed&&(c=i.dollyMinSpeed)}}else c=1,u=null;const p=r.dollyDelta*c;if(0===r.rotateDeltaY&&0===r.rotateDeltaX||(!i.firstPerson&&i.followPointer&&a.getPivoting()?(a.continuePivot(r.rotateDeltaY,r.rotateDeltaX),a.showPivot()):(0!==r.rotateDeltaX&&(i.firstPerson?o.pitch(-r.rotateDeltaX):o.orbitPitch(r.rotateDeltaX)),0!==r.rotateDeltaY&&(i.firstPerson?o.yaw(r.rotateDeltaY):o.orbitYaw(r.rotateDeltaY))),r.rotateDeltaX*=i.rotationInertia,r.rotateDeltaY*=i.rotationInertia,t=A._cursors.rotate),Math.abs(r.panDeltaX)<.001&&(r.panDeltaX=0),Math.abs(r.panDeltaY)<.001&&(r.panDeltaY=0),Math.abs(r.panDeltaZ)<.001&&(r.panDeltaZ=0),0!==r.panDeltaX||0!==r.panDeltaY||0!==r.panDeltaZ){const e=d.vec3();let s,n;if(e[0]=r.panDeltaX,e[1]=r.panDeltaY,e[2]=r.panDeltaZ,i.constrainVertical){o.xUp?(s=o.eye[0],n=o.look[0]):o.yUp?(s=o.eye[1],n=o.look[1]):o.zUp&&(s=o.eye[2],n=o.look[2]),o.pan(e);const t=o.eye,i=o.look;o.xUp?(t[0]=s,i[0]=n):o.yUp?(t[1]=s,i[1]=n):o.zUp&&(t[2]=s,i[2]=n),o.eye=t,o.look=i}else o.pan(e);t=A._cursors.pan}if(r.panDeltaX*=i.panInertia,r.panDeltaY*=i.panInertia,r.panDeltaZ*=i.panInertia,0!==p){if(t=p<0?A._cursors.dollyForward:A._cursors.dollyBackward,i.firstPerson){let e,t;if(i.constrainVertical&&(o.xUp?(e=o.eye[0],t=o.look[0]):o.yUp?(e=o.eye[1],t=o.look[1]):o.zUp&&(e=o.eye[2],t=o.look[2])),i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(i.constrainVertical){const i=o.eye,s=o.look;o.xUp?(i[0]=e,s[0]=t):o.yUp?(i[1]=e,s[1]=t):o.zUp&&(i[2]=e,s[2]=t),o.eye=i,o.look=s}}else if(i.planView)if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);else if(i.followPointer){l.dollyToCanvasPos(u,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0)}else o.ortho.scale=o.ortho.scale+p,o.zoom(p);r.dollyDelta*=i.dollyInertia}n.fireEvents(),document.body.style.cursor=t}))}destroy(){this._scene.off(this._onTick)}}class Yd{constructor(e,t,i,s,r){this._scene=e;const o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=()=>{s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=()=>{s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=e=>{Zd(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=e=>{i.active&&i.pointerEnabled&&(Zd(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=e=>{i.active&&i.pointerEnabled})}reset(){}destroy(){const e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}function Zd(e,t,i){if(e){const{left:s,top:r}=t.getBoundingClientRect();i[0]=e.clientX-s,i[1]=e.clientY-r}else e=window.event,i[0]=e.x,i[1]=e.y;return i}const qd=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class $d{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.pivotController,a=d.vec2(),l=d.vec2(),A=d.vec2(),h=d.vec2(),c=[],u=this._scene.canvas.canvas;let p=0,f=!1;this._onTick=e.on("tick",(()=>{f=!1})),u.addEventListener("touchstart",this._canvasTouchStartHandler=t=>{if(!i.active||!i.pointerEnabled)return;t.preventDefault();const r=t.touches,l=t.changedTouches;for(s.touchStartTime=Date.now(),1===r.length&&1===l.length&&(qd(r[0],a),i.followPointer&&(o.pickCursorPos=a,o.schedulePickSurface=!0,o.update(),i.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(n.setPivotPos(o.pickResult.worldPos),!i.firstPerson&&n.startPivot()&&n.showPivot()):(i.smartPivot?n.setCanvasPivotPos(s.pointerCanvasPos):n.setPivotPos(e.camera.look),!i.firstPerson&&n.startPivot()&&n.showPivot()))));c.length<r.length;)c.push(d.vec2());for(let e=0,t=r.length;e<t;++e)qd(r[e],c[e]);p=r.length}),u.addEventListener("touchend",this._canvasTouchEndHandler=()=>{n.getPivoting()&&(n.endPivot(),n.hidePivot())}),u.addEventListener("touchmove",this._canvasTouchMoveHandler=t=>{if(!i.active||!i.pointerEnabled)return;if(t.stopPropagation(),t.preventDefault(),f)return;f=!0;const n=e.canvas.boundary,a=n[2],u=n[3],g=t.touches;if(t.touches.length===p){if(1===p){qd(g[0],l),d.subVec2(l,c[0],h);const t=h[0],o=h[1];if(null!==s.longTouchTimeout&&(Math.abs(t)>i.longTapRadius||Math.abs(o)>i.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),i.planView){const s=e.camera;if("perspective"===s.projection){const n=Math.abs(e.camera.eyeLookDist)*Math.tan(s.perspective.fov/2*Math.PI/180);r.panDeltaX+=t*n/u*i.touchPanRate,r.panDeltaY+=o*n/u*i.touchPanRate}else r.panDeltaX+=.5*s.ortho.scale*(t/u)*i.touchPanRate,r.panDeltaY+=.5*s.ortho.scale*(o/u)*i.touchPanRate}else r.rotateDeltaY-=t/a*(1*i.dragRotationRate),r.rotateDeltaX+=o/u*(1.5*i.dragRotationRate)}else if(2===p){const t=g[0],n=g[1];qd(t,l),qd(n,A);const a=d.geometricMeanVec2(c[0],c[1]),h=d.geometricMeanVec2(l,A),p=d.vec2();d.subVec2(a,h,p);const f=p[0],m=p[1],_=e.camera,v=d.distVec2([t.pageX,t.pageY],[n.pageX,n.pageY]),b=(d.distVec2(c[0],c[1])-v)*i.touchDollyRate;if(r.dollyDelta=b,Math.abs(b)<1)if("perspective"===_.projection){const t=o.pickResult?o.pickResult.worldPos:e.center,s=Math.abs(d.lenVec3(d.subVec3(t,e.camera.eye,[])))*Math.tan(_.perspective.fov/2*Math.PI/180);r.panDeltaX-=f*s/u*i.touchPanRate,r.panDeltaY-=m*s/u*i.touchPanRate}else r.panDeltaX-=.5*_.ortho.scale*(f/u)*i.touchPanRate,r.panDeltaY-=.5*_.ortho.scale*(m/u)*i.touchPanRate;s.pointerCanvasPos=h}for(let e=0;e<p;++e)qd(g[e],c[e])}})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}const ep=function(e,t){if(e){let i=e.target,s=0,r=0;for(;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t};class tp{constructor(e,t,i,s,r){this._scene=e;const o=t.pickController,n=t.cameraControl;let a;const l=[],A=new Float32Array(2);let h=-1,c=-1;const u=this._scene.canvas.canvas,p=i=>{let s;i&&i.worldPos&&(s=i.worldPos);const r=i?i.entity.aabb:e.aabb;if(s){const i=e.camera;d.subVec3(i.eye,i.look,[]),t.cameraFlight.flyTo({aabb:r})}else t.cameraFlight.flyTo({aabb:r})};u.addEventListener("touchstart",this._canvasTouchStartHandler=e=>{if(!i.active||!i.pointerEnabled)return;null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);const r=e.touches,o=e.changedTouches;if(a=Date.now(),1===r.length&&1===o.length){h=a,ep(r[0],A);const o=A[0],n=A[1],l=r[0].pageX,c=r[0].pageY;s.longTouchTimeout=setTimeout((()=>{t.cameraControl.fire("rightClick",{pagePos:[Math.round(l),Math.round(c)],canvasPos:[Math.round(o),Math.round(n)],event:e},!0),s.longTouchTimeout=null}),i.longTapTimeout)}else h=-1;for(;l.length<r.length;)l.push(new Float32Array(2));for(let e=0,t=r.length;e<t;++e)ep(r[e],l[e]);l.length=r.length},{passive:!0}),u.addEventListener("touchend",this._canvasTouchEndHandler=e=>{if(!i.active||!i.pointerEnabled)return;const t=Date.now(),r=e.touches,a=e.changedTouches,u=n.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===r.length&&1===a.length&&h>-1&&t-h<150&&(c>-1&&h-c<325?(ep(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("doublePicked",o.pickResult),o.pickedSurface&&n.fire("doublePickedSurface",o.pickResult),i.doublePickFlyTo&&p(o.pickResult)):(n.fire("doublePickedNothing"),i.doublePickFlyTo&&p()),c=-1):d.distVec2(l[0],A)<4&&(ep(a[0],o.pickCursorPos),o.schedulePickEntity=!0,o.schedulePickSurface=u,o.update(),o.pickResult?(o.pickResult.touchInput=!0,n.fire("picked",o.pickResult),o.pickedSurface&&n.fire("pickedSurface",o.pickResult)):n.fire("pickedNothing"),c=t),h=-1),l.length=r.length;for(let e=0,t=r.length;e<t;++e)l[e][0]=r[e].pageX,l[e][1]=r[e].pageY},{passive:!0})}reset(){}destroy(){const e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}class ip extends R{constructor(e,t={}){super(e,t),this.PAN_LEFT=0,this.PAN_RIGHT=1,this.PAN_UP=2,this.PAN_DOWN=3,this.PAN_FORWARDS=4,this.PAN_BACKWARDS=5,this.ROTATE_X_POS=6,this.ROTATE_X_NEG=7,this.ROTATE_Y_POS=8,this.ROTATE_Y_NEG=9,this.DOLLY_FORWARDS=10,this.DOLLY_BACKWARDS=11,this.AXIS_VIEW_RIGHT=12,this.AXIS_VIEW_BACK=13,this.AXIS_VIEW_LEFT=14,this.AXIS_VIEW_FRONT=15,this.AXIS_VIEW_TOP=16,this.AXIS_VIEW_BOTTOM=17,this.MOUSE_PAN=18,this.MOUSE_ROTATE=19,this.MOUSE_DOLLY=20,this._keyMap={},this.scene.canvas.canvas.oncontextmenu=e=>{e.preventDefault()},this._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},this._states={pointerCanvasPos:d.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:d.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},this._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};const i=this.scene;this._controllers={cameraControl:this,pickController:new Ud(this,this._configs),pivotController:new Ld(i,this._configs),panController:new Ed(i),cameraFlight:new Xu(this,{duration:.5})},this._handlers=[new Yd(this.scene,this._controllers,this._configs,this._states,this._updates),new $d(this.scene,this._controllers,this._configs,this._states,this._updates),new kd(this.scene,this._controllers,this._configs,this._states,this._updates),new zd(this.scene,this._controllers,this._configs,this._states,this._updates),new Kd(this.scene,this._controllers,this._configs,this._states,this._updates),new tp(this.scene,this._controllers,this._configs,this._states,this._updates),new Wd(this.scene,this._controllers,this._configs,this._states,this._updates)],this._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},this._cameraUpdater=new Jd(this.scene,this._controllers,this._configs,this._states,this._updates),this.navMode=t.navMode,t.planView&&(this.planView=t.planView),this.constrainVertical=t.constrainVertical,t.keyboardLayout?this.keyboardLayout=t.keyboardLayout:this.keyMap=t.keyMap,this.doublePickFlyTo=t.doublePickFlyTo,this.panRightClick=t.panRightClick,this.active=t.active,this.followPointer=t.followPointer,this.rotationInertia=t.rotationInertia,this.keyboardPanRate=t.keyboardPanRate,this.touchPanRate=t.touchPanRate,this.keyboardRotationRate=t.keyboardRotationRate,this.dragRotationRate=t.dragRotationRate,this.touchDollyRate=t.touchDollyRate,this.dollyInertia=t.dollyInertia,this.dollyProximityThreshold=t.dollyProximityThreshold,this.dollyMinSpeed=t.dollyMinSpeed,this.panInertia=t.panInertia,this.pointerEnabled=!0,this.keyboardDollyRate=t.keyboardDollyRate,this.mouseWheelDollyRate=t.mouseWheelDollyRate}set keyMap(e){if(e=e||"qwerty",y.isString(e)){const t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{const t=e;this._keyMap=t}}get keyMap(){return this._keyMap}_areAllKeysDown(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(let i=0,s=t.length;i<s;i++){if(!e[t[i]])return!1}return!0}_isAnyOtherKeyDown(e,t){for(let i=0,s=e.length;i<s;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}_isMouseAction(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}_isKeyDownForAction(e,t){const i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(let e=0,s=i.length;e<s;e++){const s=i[e];if(Array.isArray(s)){if(this._areAllKeysDown(t,s)&&!this._isAnyOtherKeyDown(t,s))return!0}else if(t[s]&&!this._isAnyOtherKeyDown(t,s))return!0}return!1}set pivotElement(e){this._controllers.pivotController.setPivotElement(e)}set active(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}get active(){return this._configs.active}set snapToVertex(e){this._configs.snapToVertex=!!e}get snapToVertex(){return this._configs.snapToVertex}set snapToEdge(e){this._configs.snapToEdge=!!e}get snapToEdge(){return this._configs.snapToEdge}set snapRadius(e){e=e||30,this._configs.snapRadius=e}get snapRadius(){return this._configs.snapRadius}set keyboardEnabledOnlyIfMouseover(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}get keyboardEnabledOnlyIfMouseover(){return this._configs.keyboardEnabledOnlyIfMouseover}set navMode(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}get navMode(){return this._configs.navMode}set pointerEnabled(e){this._reset(),this._configs.pointerEnabled=!!e}setCursorStyle(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors={...this._cursors,[e]:t}:console.warn(`Action '${e}' is not valid for cursor styles.`)}getCursorStyle(e){return this._cursors[e]||null}_reset(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.reset&&t.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}get pointerEnabled(){return this._configs.pointerEnabled}set followPointer(e){this._configs.followPointer=!1!==e}get followPointer(){return this._configs.followPointer}set pivotPos(e){this._controllers.pivotController.setPivotPos(e)}get pivotPos(){return this._controllers.pivotController.getPivotPos()}set dollyToPointer(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}get dollyToPointer(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer}set panToPointer(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}get panToPointer(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1}set planView(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}get planView(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView}set firstPerson(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}get firstPerson(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson}set constrainVertical(e){this._configs.constrainVertical=!!e}get constrainVertical(){return this._configs.constrainVertical}set doublePickFlyTo(e){this._configs.doublePickFlyTo=!1!==e}get doublePickFlyTo(){return this._configs.doublePickFlyTo}set panRightClick(e){this._configs.panRightClick=!1!==e;const t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0){const e=this.scene.input;for(let i=0,s=t.length;i<s;i++)this._configs.panRightClick&&t[i]===e.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[i]!==e.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][i]=e.MOUSE_MIDDLE_BUTTON)}}get panRightClick(){return this._configs.panRightClick}set rotationInertia(e){this._configs.rotationInertia=null!=e?e:0}get rotationInertia(){return this._configs.rotationInertia}set keyboardPanRate(e){this._configs.keyboardPanRate=null!=e?e:5}set touchPanRate(e){this._configs.touchPanRate=null!=e?e:1}get touchPanRate(){return this._configs.touchPanRate}get keyboardPanRate(){return this._configs.keyboardPanRate}set keyboardRotationRate(e){this._configs.keyboardRotationRate=null!=e?e:90}get keyboardRotationRate(){return this._configs.keyboardRotationRate}set dragRotationRate(e){this._configs.dragRotationRate=null!=e?e:360}get dragRotationRate(){return this._configs.dragRotationRate}set keyboardDollyRate(e){this._configs.keyboardDollyRate=null!=e?e:15}get keyboardDollyRate(){return this._configs.keyboardDollyRate}set touchDollyRate(e){this._configs.touchDollyRate=null!=e?e:.2}get touchDollyRate(){return this._configs.touchDollyRate}set mouseWheelDollyRate(e){this._configs.mouseWheelDollyRate=null!=e?e:100}get mouseWheelDollyRate(){return this._configs.mouseWheelDollyRate}set dollyInertia(e){this._configs.dollyInertia=null!=e?e:0}get dollyInertia(){return this._configs.dollyInertia}set dollyProximityThreshold(e){this._configs.dollyProximityThreshold=null!=e?e:35}get dollyProximityThreshold(){return this._configs.dollyProximityThreshold}set dollyMinSpeed(e){this._configs.dollyMinSpeed=null!=e?e:.04}get dollyMinSpeed(){return this._configs.dollyMinSpeed}set panInertia(e){this._configs.panInertia=null!=e?e:.5}get panInertia(){return this._configs.panInertia}set keyboardLayout(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}get keyboardLayout(){return this._configs.keyboardLayout}enablePivotSphere(e={}){this._controllers.pivotController.enablePivotSphere(e)}disablePivotSphere(){this._controllers.pivotController.disablePivotSphere()}set smartPivot(e){this._configs.smartPivot=!1!==e}get smartPivot(){return this._configs.smartPivot}set doubleClickTimeFrame(e){this._configs.doubleClickTimeFrame=null!=e?e:250}get doubleClickTimeFrame(){return this._configs.doubleClickTimeFrame}set zoomOnMouseWheel(e){this._configs.zoomOnMouseWheel=!!e}get zoomOnMouseWheel(){return this._configs.zoomOnMouseWheel}destroy(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),super.destroy()}_destroyHandlers(){for(let e=0,t=this._handlers.length;e<t;e++){const t=this._handlers[e];t.destroy&&t.destroy()}}_destroyControllers(){for(let e=0,t=this._controllers.length;e<t;e++){const t=this._controllers[e];t.destroy&&t.destroy()}}}class sp{constructor(e,t,i,s,r){this.name=e,this.type=i,this.value=t,this.valueType=s,this.description=r}}class rp{constructor(e){if(this.id=e.id,this.originalSystemId=e.originalSystemId,this.metaModels=[],this.name=e.name,this.type=e.type,this.properties=[],e.properties){const t=e.properties;for(let e=0,i=t.length;e<i;e++){const i=t[e];Number.isInteger(i)?this.properties.push(i):this.properties.push(new sp(i.name,i.value,i.type,i.valueType,i.description))}}}}class op{constructor(e){this.metaModels=[],this.id=e.id,this.parentId=e.parentId,this.parent=null,this.originalSystemId=e.originalSystemId,this.name=e.name,this.type=e.type,this.propertySetIds=e.propertySetIds,this.propertySets=[],this.attributes=e.attributes||{},void 0!==e.external&&null!==e.external&&(this.external=e.external)}get metaModel(){return 1==this.metaModels.length?this.metaModels[0]:null}getObjectIDsInSubtree(){const e=[];return function t(i){if(!i)return;e.push(i.id);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this),e}withMetaObjectsInSubtree(e){!function t(i){if(!i)return;e(i);const s=i.children;if(s)for(var r=0,o=s.length;r<o;r++)t(s[r])}(this)}getObjectIDsInSubtreeByType(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=e[i];const r=[];return function e(i){if(!i)return;t[i.type]&&r.push(i.id);const s=i.children;if(s)for(var o=0,n=s.length;o<n;o++)e(s[o])}(this),r}getJSON(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}class np{constructor(e){this.id=e.id,this.projectId=e.projectId,this.revisionId=e.revisionId,this.author=e.author,this.createdAt=e.createdAt,this.creatingApplication=e.creatingApplication,this.schema=e.schema,this.metaScene=e.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=e.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}get rootMetaObject(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}loadData(e,t={}){if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);const i=this.metaScene,s=e.properties;if(s)for(let e=0,t=s.length;e<t;e++)this._propertyLookup.push(s[e]);if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.properties||(s.properties=[]);let r=i.propertySets[s.id];r||(r=new rp({id:s.id,originalSystemId:s.originalSystemId||s.id,type:s.type,name:s.name,properties:s.properties}),i.propertySets[r.id]=r),r.metaModels.push(this),this.propertySets.push(r)}if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t],r=s.id;let o=i.metaObjects[r];if(!o){const e=s.type,t=s.originalSystemId,i=s.propertySets||s.propertySetIds;o=new op({id:r,originalSystemId:t,parentId:s.parent,type:e,name:s.name,attributes:s.attributes,propertySetIds:i,external:s.external}),this.metaScene.metaObjects[r]=o,o.metaModels=[]}this.metaObjects[r]=o,s.parent||(this.rootMetaObjects.push(o),i.rootMetaObjects[r]=o),o.metaModels.push(this)}}_decompressProperties(e,t){const i=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];if(Number.isInteger(r)){const o=e[r];o?t[s]=o:i.push(r)}}i.length>0&&console.error(`[MetaModel._decompressProperties] Properties not found: ${i}`)}finalize(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";const e=this.metaScene;for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(let t=0,s=i.propertySetIds.length;t<s;t++){const s=i.propertySetIds[t],r=e.propertySets[s];i.propertySets.push(r)}}for(let t in e.metaObjects){const i=e.metaObjects[t];if(i.parentId){const t=e.metaObjects[i.parentId];t&&(i.parent=t,(t.children||(t.children=[])).push(i))}}for(let t in e.metaObjects){e.metaObjects[t].metaModels=[]}for(let t in e.metaModels){const i=e.metaModels[t];for(let e in i.metaObjects){i.metaObjects[e].metaModels.push(i)}}e.metaObjectsByType={};for(let t in e.metaObjects){const i=e.metaObjects[t],s=i.type;(e.metaObjectsByType[s]||(e.metaObjectsByType[s]={}))[t]=i}if(this.propertySets)for(let e=0,t=this.propertySets.length;e<t;e++){const t=this.propertySets[e];this._decompressProperties(this._propertyLookup,t.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}getJSON(){const e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects);for(let i=0,s=t.length;i<s;i++){const s=t[i],r={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(r.parent=s.parent.id),s.attributes&&(r.attributes=s.attributes),s.propertySetIds&&(r.propertySetIds=s.propertySetIds),e.metaObjects.push(r)}for(let t=0,i=this.propertySets.length;t<i;t++){const i=this.propertySets[t],s={id:i.id,originalSystemId:i.originalSystemId,extId:i.extId,type:i.type,name:i.name,propertyies:[]};for(let e=0,t=i.properties.length;e<t;e++){const t=i.properties[e],r={id:t.id,description:t.description,type:t.type,name:t.name,value:t.value,valueType:t.valueType};s.properties.push(r)}e.propertySets.push(s)}return e}_globalizeIDs(e,t){const i=!!t.globalizeObjectIds;if(e.metaObjects)for(let t=0,s=e.metaObjects.length;t<s;t++){const s=e.metaObjects[t];if(s.originalSystemId=s.id,s.parent&&(s.originalParentSystemId=s.parent),i&&(s.id=d.globalizeObjectId(this.id,s.id),s.parent&&(s.parent=d.globalizeObjectId(this.id,s.parent))),i){const e=s.propertySetIds;if(e){const t=[];for(let i=0,s=e.length;i<s;i++)t.push(d.globalizeObjectId(this.id,e[i]));s.propertySetIds=t,s.originalSystemPropertySetIds=e}}else s.originalSystemPropertySetIds=s.propertySetIds}if(e.propertySets)for(let t=0,s=e.propertySets.length;t<s;t++){const s=e.propertySets[t];s.originalSystemId=s.id,i&&(s.id=d.globalizeObjectId(this.id,s.id))}}}class ap{constructor(e,t){this.viewer=e,this.scene=t,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}on(e,t){let i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}fire(e,t){const i=this._eventSubs[e];if(i)for(let e=0,s=i.length;e<s;e++)i[e](t)}off(e){}createMetaModel(e,t,i={}){const s=new np({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return s.loadData(t),s.finalize(),s}destroyMetaModel(e){const t=this.metaModels[e];if(t){if(t.propertySets)for(let i=0,s=t.propertySets.length;i<s;i++){const s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{const t=[];for(let i=0,r=s.metaModels.length;i<r;i++)s.metaModels[i].id!==e&&t.push(s.metaModels[i]);s.metaModels=t}}if(t.metaObjects)for(let i in t.metaObjects){const s=t.metaObjects[i];1===s.metaModels.length&&s.metaModels[0].id===e?(delete this.metaObjects[i],s.parent||delete this.rootMetaObjects[i]):s.metaModels=s.metaModels.filter((t=>t.id!==e))}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.children&&(t.children=[]),t.propertySets&&(t.propertySets=[]),t.propertySetIds)for(let e=0,i=t.propertySetIds.length;e<i;e++){const i=t.propertySetIds[e],s=this.propertySets[i];t.propertySets.push(s)}}this.metaObjectsByType={};for(let e in this.metaObjects){const t=this.metaObjects[e],i=t.type;t.children&&(t.children=null),(this.metaObjectsByType[i]||(this.metaObjectsByType[i]={}))[e]=t}for(let e in this.metaObjects){const t=this.metaObjects[e];if(t.parentId){const e=this.metaObjects[t.parentId];e&&(t.parent=e,(e.children||(e.children=[])).push(t))}}delete this.metaModels[e];for(let e in this.metaObjects){this.metaObjects[e].metaModels=[]}for(let e in this.metaModels){const t=this.metaModels[e];for(let e in t.metaObjects){t.metaObjects[e].metaModels.push(t)}}this.fire("metaModelDestroyed",e)}}getObjectIDsByType(e){const t=this.metaObjectsByType[e];return t?Object.keys(t):[]}getObjectIDsInSubtree(e,t,i){const s=[],r=this.metaObjects[e],o=t&&t.length>0?lp(t):null,n=i&&i.length>0?lp(i):null,a=e=>{if(!e)return;var t=!0;(n&&n[e.type]||o&&!o[e.type])&&(t=!1),t&&s.push(e.id);const i=e.children;if(i)for(var r=0,l=i.length;r<l;r++)a(i[r])};return a(r),s}withMetaObjectsInSubtree(e,t){const i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}function lp(e){const t={};for(var i=0,s=e.length;i<s;i++)t[e[i]]=!0;return t}
 /*!
  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
@@ -33,5 +33,5 @@ INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 PERFORMANCE OF THIS SOFTWARE.
-***************************************************************************** */var ap=function(e,t){return ap=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)Object.prototype.hasOwnProperty.call(t,i)&&(e[i]=t[i])},ap(e,t)};function lp(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Class extends value "+String(t)+" is not a constructor or null");function i(){this.constructor=e}ap(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)}var Ap=function(){return Ap=Object.assign||function(e){for(var t,i=1,s=arguments.length;i<s;i++)for(var r in t=arguments[i])Object.prototype.hasOwnProperty.call(t,r)&&(e[r]=t[r]);return e},Ap.apply(this,arguments)};function hp(e,t,i,s){return new(i||(i=Promise))((function(r,o){function n(e){try{l(s.next(e))}catch(e){o(e)}}function a(e){try{l(s.throw(e))}catch(e){o(e)}}function l(e){var t;e.done?r(e.value):(t=e.value,t instanceof i?t:new 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h=A.length?parseInt(gp.apply(void 0,A),10):0;return i*(r+a*Math.pow(10,-n))*Math.pow(10,l*h)},wf={type:2},Pf={type:3},xf={type:4},Cf={type:13},Mf={type:8},Ef={type:21},Ff={type:9},If={type:10},Df={type:11},Sf={type:12},Tf={type:14},Rf={type:23},Lf={type:1},Uf={type:25},Of={type:24},kf={type:26},Nf={type:27},Qf={type:28},Vf={type:29},Hf={type:31},jf={type:32},Gf=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(fp(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==jf;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),s=this.peekCodePoint(2);if(mf(t)||vf(i,s)){var r=bf(t,i,s)?2:1;return{type:5,value:this.consumeName(),flags:r}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Cf;break;case 39:return this.consumeStringToken(39);case 40:return wf;case 41:return Pf;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Tf;break;case 43:if(yf(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return xf;case 45:var o=e,n=this.peekCodePoint(0),a=this.peekCodePoint(1);if(yf(o,n,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(bf(o,n,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===n&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),Of;break;case 46:if(yf(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return kf;case 59:return Nf;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),Uf;break;case 64:var A=this.peekCodePoint(0),h=this.peekCodePoint(1),c=this.peekCodePoint(2);if(bf(A,h,c))return{type:7,value:this.consumeName()};break;case 91:return Qf;case 92:if(vf(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return Vf;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Mf;break;case 123:return Df;case 125:return Sf;case 117:case 85:var u=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==u||!pf(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Ff;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),Ef;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),If;break;case-1:return jf}return ff(e)?(this.consumeWhiteSpace(),Hf):df(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):gf(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:gp(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();pf(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(gp.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(gp.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var s=parseInt(gp.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&pf(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var r=[];pf(t)&&r.length<6;)r.push(t),t=this.consumeCodePoint();return{type:30,start:s,end:parseInt(gp.apply(void 0,r),16)}}return{type:30,start:s,end:s}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),Rf)}for(;;){var s=this.consumeCodePoint();if(-1===s||41===s)return{type:22,value:gp.apply(void 0,e)};if(ff(s))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:gp.apply(void 0,e)}):(this.consumeBadUrlRemnants(),Rf);if(34===s||39===s||40===s||_f(s))return this.consumeBadUrlRemnants(),Rf;if(92===s){if(!vf(s,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),Rf;e.push(this.consumeEscapedCodePoint())}else e.push(s)}},e.prototype.consumeWhiteSpace=function(){for(;ff(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;vf(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=gp.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var s=this._value[i];if(-1===s||void 0===s||s===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===s)return this._value.splice(0,i),Lf;if(92===s){var r=this._value[i+1];-1!==r&&void 0!==r&&(10===r?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):vf(s,r)&&(t+=this.consumeStringSlice(i),t+=gp(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());df(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var s=this.peekCodePoint(1);if(46===i&&df(s))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;df(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),s=this.peekCodePoint(1);var r=this.peekCodePoint(2);if((69===i||101===i)&&((43===s||45===s)&&df(r)||df(s)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;df(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[Bf(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],s=this.peekCodePoint(0),r=this.peekCodePoint(1),o=this.peekCodePoint(2);return bf(s,r,o)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===s?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(pf(e)){for(var t=gp(e);pf(this.peekCodePoint(0))&&t.length<6;)t+=gp(this.consumeCodePoint());ff(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(mf(t))e+=gp(t);else{if(!vf(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=gp(this.consumeEscapedCodePoint())}}},e}(),zf=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new Gf;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||eg(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?jf:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Kf=function(e){return 15===e.type},Wf=function(e){return 17===e.type},Xf=function(e){return 20===e.type},Jf=function(e){return 0===e.type},Yf=function(e,t){return Xf(e)&&e.value===t},Zf=function(e){return 31!==e.type},qf=function(e){return 31!==e.type&&4!==e.type},$f=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},eg=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},tg=function(e){return 17===e.type||15===e.type},ig=function(e){return 16===e.type||tg(e)},sg=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},rg={type:17,number:0,flags:4},og={type:16,number:50,flags:4},ng={type:16,number:100,flags:4},ag=function(e,t,i){var s=e[0],r=e[1];return[lg(s,t),lg(void 0!==r?r:s,i)]},lg=function(e,t){if(16===e.type)return e.number/100*t;if(Kf(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},Ag=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return 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gb(i.left+P/2,i.top+y/2),this.topRightBorderStroke=r>0||o>0?yb(i.left+m,i.top+y/2,a-B/2,l-y/2,Kv.TOP_RIGHT):new gb(i.left+i.width-B/2,i.top+y/2),this.bottomRightBorderStroke=h>0||c>0?yb(i.left+v,i.top+_,h-B/2,c-w/2,Kv.BOTTOM_RIGHT):new gb(i.left+i.width-B/2,i.top+i.height-w/2),this.bottomLeftBorderStroke=d>0||p>0?yb(i.left+P/2,i.top+b,d-P/2,p-w/2,Kv.BOTTOM_LEFT):new gb(i.left+P/2,i.top+i.height-w/2),this.topLeftBorderBox=r>0||o>0?yb(i.left,i.top,r,o,Kv.TOP_LEFT):new gb(i.left,i.top),this.topRightBorderBox=a>0||l>0?yb(i.left+m,i.top,a,l,Kv.TOP_RIGHT):new gb(i.left+i.width,i.top),this.bottomRightBorderBox=h>0||c>0?yb(i.left+v,i.top+_,h,c,Kv.BOTTOM_RIGHT):new gb(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?yb(i.left,i.top+b,d,p,Kv.BOTTOM_LEFT):new gb(i.left,i.top+i.height),this.topLeftPaddingBox=r>0||o>0?yb(i.left+P,i.top+y,Math.max(0,r-P),Math.max(0,o-y),Kv.TOP_LEFT):new gb(i.left+P,i.top+y),this.topRightPaddingBox=a>0||l>0?yb(i.left+Math.min(m,i.width-B),i.top+y,m>i.width+B?0:Math.max(0,a-B),Math.max(0,l-y),Kv.TOP_RIGHT):new gb(i.left+i.width-B,i.top+y),this.bottomRightPaddingBox=h>0||c>0?yb(i.left+Math.min(v,i.width-P),i.top+Math.min(_,i.height-w),Math.max(0,h-B),Math.max(0,c-w),Kv.BOTTOM_RIGHT):new gb(i.left+i.width-B,i.top+i.height-w),this.bottomLeftPaddingBox=d>0||p>0?yb(i.left+P,i.top+Math.min(b,i.height-w),Math.max(0,d-P),Math.max(0,p-w),Kv.BOTTOM_LEFT):new gb(i.left+P,i.top+i.height-w),this.topLeftContentBox=r>0||o>0?yb(i.left+P+E,i.top+y+x,Math.max(0,r-(P+E)),Math.max(0,o-(y+x)),Kv.TOP_LEFT):new gb(i.left+P+E,i.top+y+x),this.topRightContentBox=a>0||l>0?yb(i.left+Math.min(m,i.width+P+E),i.top+y+x,m>i.width+P+E?0:a-P+E,l-(y+x),Kv.TOP_RIGHT):new gb(i.left+i.width-(B+C),i.top+y+x),this.bottomRightContentBox=h>0||c>0?yb(i.left+Math.min(v,i.width-(P+E)),i.top+Math.min(_,i.height+y+x),Math.max(0,h-(B+C)),c-(w+M),Kv.BOTTOM_RIGHT):new gb(i.left+i.width-(B+C),i.top+i.height-(w+M)),this.bottomLeftContentBox=d>0||p>0?yb(i.left+P+E,i.top+b,Math.max(0,d-(P+E)),p-(w+M),Kv.BOTTOM_LEFT):new gb(i.left+P+E,i.top+i.height-(w+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(Kv||(Kv={}));var yb=function(e,t,i,s,r){var o=(Math.sqrt(2)-1)/3*4,n=i*o,a=s*o,l=e+i,A=t+s;switch(r){case Kv.TOP_LEFT:return new _b(new gb(e,A),new gb(e,A-a),new gb(l-n,t),new gb(l,t));case Kv.TOP_RIGHT:return new _b(new gb(e,t),new gb(e+n,t),new gb(l,A-a),new gb(l,A));case Kv.BOTTOM_RIGHT:return new _b(new gb(l,t),new gb(l,t+a),new gb(e+n,A),new gb(e,A));case Kv.BOTTOM_LEFT:default:return new _b(new gb(l,A),new gb(l-n,A),new gb(e,t+a),new gb(e,t))}},Bb=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},wb=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},Pb=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},xb=function(e,t){this.path=e,this.target=t,this.type=1},Cb=function(e){this.opacity=e,this.type=2,this.target=6},Mb=function(e){return 1===e.type},Eb=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},Fb=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},Ib=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new bb(this.container),this.container.styles.opacity<1&&this.effects.push(new Cb(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,s=this.container.bounds.top+this.container.styles.transformOrigin[1].number,r=this.container.styles.transform;this.effects.push(new Pb(i,s,r))}if(0!==this.container.styles.overflowX){var o=Bb(this.curves),n=wb(this.curves);Eb(o,n)?this.effects.push(new xb(o,6)):(this.effects.push(new xb(o,2)),this.effects.push(new xb(n,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,s=this.effects.slice(0);i;){var r=i.effects.filter((function(e){return!Mb(e)}));if(t||0!==i.container.styles.position||!i.parent){if(s.unshift.apply(s,r),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var o=Bb(i.curves),n=wb(i.curves);Eb(o,n)||s.unshift(new xb(n,6))}}else s.unshift.apply(s,r);i=i.parent}return s.filter((function(t){return i_(t.target,e)}))},e}(),Db=function(e,t,i,s){e.container.elements.forEach((function(r){var o=i_(r.flags,4),n=i_(r.flags,2),a=new Ib(r,e);i_(r.styles.display,2048)&&s.push(a);var l=i_(r.flags,8)?[]:s;if(o||n){var A=o||r.styles.isPositioned()?i:t,h=new Fb(a);if(r.styles.isPositioned()||r.styles.opacity<1||r.styles.isTransformed()){var c=r.styles.zIndex.order;if(c<0){var u=0;A.negativeZIndex.some((function(e,t){return c>e.element.container.styles.zIndex.order?(u=t,!1):u>0})),A.negativeZIndex.splice(u,0,h)}else if(c>0){var d=0;A.positiveZIndex.some((function(e,t){return c>=e.element.container.styles.zIndex.order?(d=t+1,!1):d>0})),A.positiveZIndex.splice(d,0,h)}else A.zeroOrAutoZIndexOrTransformedOrOpacity.push(h)}else r.styles.isFloating()?A.nonPositionedFloats.push(h):A.nonPositionedInlineLevel.push(h);Db(a,h,o?h:i,l)}else r.styles.isInlineLevel()?t.inlineLevel.push(a):t.nonInlineLevel.push(a),Db(a,t,i,l);i_(r.flags,8)&&Sb(r,l)}))},Sb=function(e,t){for(var i=e instanceof iv?e.start:1,s=e instanceof iv&&e.reversed,r=0;r<t.length;r++){var o=t[r];o.container instanceof tv&&"number"==typeof o.container.value&&0!==o.container.value&&(i=o.container.value),o.listValue=Gv(i,o.container.styles.listStyleType,!0),i+=s?-1:1}},Tb=function(e,t){switch(t){case 0:return Lb(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return Lb(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return Lb(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return Lb(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},Rb=function(e,t){var i=[];return vb(e)?i.push(e.subdivide(.5,!1)):i.push(e),vb(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},Lb=function(e,t,i,s){var r=[];return vb(e)?r.push(e.subdivide(.5,!1)):r.push(e),vb(i)?r.push(i.subdivide(.5,!0)):r.push(i),vb(s)?r.push(s.subdivide(.5,!0).reverse()):r.push(s),vb(t)?r.push(t.subdivide(.5,!1).reverse()):r.push(t),r},Ub=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},Ob=function(e){var t=e.styles,i=e.bounds,s=lg(t.paddingLeft,i.width),r=lg(t.paddingRight,i.width),o=lg(t.paddingTop,i.width),n=lg(t.paddingBottom,i.width);return i.add(s+t.borderLeftWidth,o+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+s+r),-(t.borderTopWidth+t.borderBottomWidth+o+n))},kb=function(e,t,i){var s=function(e,t){return 0===e?t.bounds:2===e?Ob(t):Ub(t)}(Hb(e.styles.backgroundOrigin,t),e),r=function(e,t){return 0===e?t.bounds:2===e?Ob(t):Ub(t)}(Hb(e.styles.backgroundClip,t),e),o=Vb(Hb(e.styles.backgroundSize,t),i,s),n=o[0],a=o[1],l=ag(Hb(e.styles.backgroundPosition,t),s.width-n,s.height-a);return[jb(Hb(e.styles.backgroundRepeat,t),l,o,s,r),Math.round(s.left+l[0]),Math.round(s.top+l[1]),n,a]},Nb=function(e){return Xf(e)&&e.value===Rg.AUTO},Qb=function(e){return"number"==typeof e},Vb=function(e,t,i){var s=t[0],r=t[1],o=t[2],n=e[0],a=e[1];if(!n)return[0,0];if(ig(n)&&a&&ig(a))return[lg(n,i.width),lg(a,i.height)];var l=Qb(o);if(Xf(n)&&(n.value===Rg.CONTAIN||n.value===Rg.COVER))return Qb(o)?i.width/i.height<o!=(n.value===Rg.COVER)?[i.width,i.width/o]:[i.height*o,i.height]:[i.width,i.height];var A=Qb(s),h=Qb(r),c=A||h;if(Nb(n)&&(!a||Nb(a)))return A&&h?[s,r]:l||c?c&&l?[A?s:r*o,h?r:s/o]:[A?s:i.width,h?r:i.height]:[i.width,i.height];if(l){var u=0,d=0;return ig(n)?u=lg(n,i.width):ig(a)&&(d=lg(a,i.height)),Nb(n)?u=d*o:a&&!Nb(a)||(d=u/o),[u,d]}var p=null,f=null;if(ig(n)?p=lg(n,i.width):a&&ig(a)&&(f=lg(a,i.height)),null===p||a&&!Nb(a)||(f=A&&h?p/s*r:i.height),null!==f&&Nb(n)&&(p=A&&h?f/r*s:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},Hb=function(e,t){var i=e[t];return void 0===i?e[0]:i},jb=function(e,t,i,s,r){var o=t[0],n=t[1],a=i[0],l=i[1];switch(e){case 2:return[new gb(Math.round(s.left),Math.round(s.top+n)),new gb(Math.round(s.left+s.width),Math.round(s.top+n)),new gb(Math.round(s.left+s.width),Math.round(l+s.top+n)),new gb(Math.round(s.left),Math.round(l+s.top+n))];case 3:return[new gb(Math.round(s.left+o),Math.round(s.top)),new gb(Math.round(s.left+o+a),Math.round(s.top)),new gb(Math.round(s.left+o+a),Math.round(s.height+s.top)),new gb(Math.round(s.left+o),Math.round(s.height+s.top))];case 1:return[new gb(Math.round(s.left+o),Math.round(s.top+n)),new gb(Math.round(s.left+o+a),Math.round(s.top+n)),new gb(Math.round(s.left+o+a),Math.round(s.top+n+l)),new gb(Math.round(s.left+o),Math.round(s.top+n+l))];default:return[new gb(Math.round(r.left),Math.round(r.top)),new gb(Math.round(r.left+r.width),Math.round(r.top)),new gb(Math.round(r.left+r.width),Math.round(r.height+r.top)),new gb(Math.round(r.left),Math.round(r.height+r.top))]}},Gb=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),s=this._document.createElement("img"),r=this._document.createElement("span"),o=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",o.appendChild(i),s.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",s.width=1,s.height=1,s.style.margin="0",s.style.padding="0",s.style.verticalAlign="baseline",r.style.fontFamily=e,r.style.fontSize=t,r.style.margin="0",r.style.padding="0",r.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(r),i.appendChild(s);var n=s.offsetTop-r.offsetTop+2;i.removeChild(r),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",s.style.verticalAlign="super";var a=s.offsetTop-i.offsetTop+2;return o.removeChild(i),{baseline:n,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),zb=function(e,t){this.context=e,this.options=t},Kb=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s._activeEffects=[],s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),i.canvas||(s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px"),s.fontMetrics=new Gb(document),s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.ctx.textBaseline="bottom",s._activeEffects=[],s.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),s}return lp(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),Mb(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return hp(this,void 0,void 0,(function(){return cp(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return hp(this,void 0,void 0,(function(){return cp(this,(function(t){switch(t.label){case 0:return i_(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var s=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):G_(e.text).reduce((function(t,r){return s.ctx.fillText(r,t,e.bounds.top+i),t+s.ctx.measureText(r).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=Zb(e.fontFamily).join(", "),s=Kf(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,s,i].join(" "),i,s]},t.prototype.renderTextNode=function(e,t){return hp(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h=this;return cp(this,(function(c){return i=this.createFontStyle(t),s=i[0],r=i[1],o=i[2],this.ctx.font=s,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",n=this.fontMetrics.getMetrics(r,o),a=n.baseline,l=n.middle,A=t.paintOrder,e.textBounds.forEach((function(e){A.forEach((function(i){switch(i){case 0:h.ctx.fillStyle=fg(t.color),h.renderTextWithLetterSpacing(e,t.letterSpacing,a);var s=t.textShadow;s.length&&e.text.trim().length&&(s.slice(0).reverse().forEach((function(i){h.ctx.shadowColor=fg(i.color),h.ctx.shadowOffsetX=i.offsetX.number*h.options.scale,h.ctx.shadowOffsetY=i.offsetY.number*h.options.scale,h.ctx.shadowBlur=i.blur.number,h.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),h.ctx.shadowColor="",h.ctx.shadowOffsetX=0,h.ctx.shadowOffsetY=0,h.ctx.shadowBlur=0),t.textDecorationLine.length&&(h.ctx.fillStyle=fg(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:h.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(h.ctx.strokeStyle=fg(t.webkitTextStrokeColor),h.ctx.lineWidth=t.webkitTextStrokeWidth,h.ctx.lineJoin=window.chrome?"miter":"round",h.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),h.ctx.strokeStyle="",h.ctx.lineWidth=0,h.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var s=Ob(e),r=wb(t);this.path(r),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,s.left,s.top,s.width,s.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return hp(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v;return cp(this,(function(b){switch(b.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,s=e.curves,r=i.styles,o=0,n=i.textNodes,b.label=1;case 1:return o<n.length?(a=n[o],[4,this.renderTextNode(a,r)]):[3,4];case 2:b.sent(),b.label=3;case 3:return o++,[3,1];case 4:if(!(i instanceof q_))return[3,8];b.label=5;case 5:return b.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,8];case 7:return b.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof $_&&this.renderReplacedElement(i,s,i.canvas),!(i instanceof ev))return[3,12];b.label=9;case 9:return b.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,12];case 11:return b.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof Av&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=b.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),b.label=14;case 14:if(i instanceof nv&&(A=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new gb(i.bounds.left+.39363*A,i.bounds.top+.79*A),new gb(i.bounds.left+.16*A,i.bounds.top+.5549*A),new gb(i.bounds.left+.27347*A,i.bounds.top+.44071*A),new gb(i.bounds.left+.39694*A,i.bounds.top+.5649*A),new gb(i.bounds.left+.72983*A,i.bounds.top+.23*A),new gb(i.bounds.left+.84*A,i.bounds.top+.34085*A),new gb(i.bounds.left+.39363*A,i.bounds.top+.79*A)]),this.ctx.fillStyle=fg(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+A/2,i.bounds.top+A/2,A/4,0,2*Math.PI,!0),this.ctx.fillStyle=fg(707406591),this.ctx.fill(),this.ctx.restore())),Wb(i)&&i.value.length){switch(h=this.createFontStyle(r),_=h[0],c=h[1],u=this.fontMetrics.getMetrics(_,c).baseline,this.ctx.font=_,this.ctx.fillStyle=fg(r.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=Jb(i.styles.textAlign),v=Ob(i),d=0,i.styles.textAlign){case 1:d+=v.width/2;break;case 2:d+=v.width}p=v.add(d,0,0,-v.height/2+1),this.ctx.save(),this.path([new gb(v.left,v.top),new gb(v.left+v.width,v.top),new gb(v.left+v.width,v.top+v.height),new gb(v.left,v.top+v.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new V_(i.value,p),r.letterSpacing,u),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!i_(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];g=void 0,m=f.url,b.label=15;case 15:return b.trys.push([15,17,,18]),[4,this.context.cache.match(m)];case 16:return g=b.sent(),this.ctx.drawImage(g,i.bounds.left-(g.width+10),i.bounds.top),[3,18];case 17:return b.sent(),this.context.logger.error("Error loading list-style-image "+m),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(_=this.createFontStyle(r)[0],this.ctx.font=_,this.ctx.fillStyle=fg(r.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",v=new dp(i.bounds.left,i.bounds.top+lg(i.styles.paddingTop,i.bounds.width),i.bounds.width,vm(r.lineHeight,r.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new V_(e.listValue,v),r.letterSpacing,vm(r.lineHeight,r.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),b.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return hp(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A,h,c,u,d,p,f;return cp(this,(function(g){switch(g.label){case 0:return i_(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:g.sent(),t=0,i=e.negativeZIndex,g.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:g.sent(),g.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:g.sent(),s=0,r=e.nonInlineLevel,g.label=7;case 7:return s<r.length?(f=r[s],[4,this.renderNode(f)]):[3,10];case 8:g.sent(),g.label=9;case 9:return s++,[3,7];case 10:o=0,n=e.nonPositionedFloats,g.label=11;case 11:return o<n.length?(f=n[o],[4,this.renderStack(f)]):[3,14];case 12:g.sent(),g.label=13;case 13:return o++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,g.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:g.sent(),g.label=17;case 17:return a++,[3,15];case 18:A=0,h=e.inlineLevel,g.label=19;case 19:return A<h.length?(f=h[A],[4,this.renderNode(f)]):[3,22];case 20:g.sent(),g.label=21;case 21:return A++,[3,19];case 22:c=0,u=e.zeroOrAutoZIndexOrTransformedOrOpacity,g.label=23;case 23:return c<u.length?(f=u[c],[4,this.renderStack(f)]):[3,26];case 24:g.sent(),g.label=25;case 25:return c++,[3,23];case 26:d=0,p=e.positiveZIndex,g.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:g.sent(),g.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var s=vb(e)?e.start:e;0===i?t.ctx.moveTo(s.x,s.y):t.ctx.lineTo(s.x,s.y),vb(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,s){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,s),this.ctx.fill(),this.ctx.translate(-i,-s)},t.prototype.resizeImage=function(e,t,i){var s;if(e.width===t&&e.height===i)return e;var r=(null!==(s=this.canvas.ownerDocument)&&void 0!==s?s:document).createElement("canvas");return r.width=Math.max(1,t),r.height=Math.max(1,i),r.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),r},t.prototype.renderBackgroundImage=function(e){return hp(this,void 0,void 0,(function(){var t,i,s,r,o,n;return cp(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,w,P,x,C,M,E,F,I,D,S,T,R;return cp(this,(function(L){switch(L.label){case 0:if(0!==i.type)return[3,5];r=void 0,o=i.url,L.label=1;case 1:return L.trys.push([1,3,,4]),[4,s.context.cache.match(o)];case 2:return r=L.sent(),[3,4];case 3:return L.sent(),s.context.logger.error("Error loading background-image "+o),[3,4];case 4:return r&&(n=kb(e,t,[r.width,r.height,r.width/r.height]),v=n[0],x=n[1],C=n[2],B=n[3],w=n[4],m=s.ctx.createPattern(s.resizeImage(r,B,w),"repeat"),s.renderRepeat(v,m,x,C)),[3,6];case 5:1===i.type?(a=kb(e,t,[null,null,null]),v=a[0],x=a[1],C=a[2],B=a[3],w=a[4],l=Eg(i.angle,B,w),A=l[0],h=l[1],c=l[2],u=l[3],d=l[4],(p=document.createElement("canvas")).width=B,p.height=w,f=p.getContext("2d"),g=f.createLinearGradient(h,u,c,d),Mg(i.stops,A).forEach((function(e){return g.addColorStop(e.stop,fg(e.color))})),f.fillStyle=g,f.fillRect(0,0,B,w),B>0&&w>0&&(m=s.ctx.createPattern(p,"repeat"),s.renderRepeat(v,m,x,C))):function(e){return 2===e.type}(i)&&(_=kb(e,t,[null,null,null]),v=_[0],b=_[1],y=_[2],B=_[3],w=_[4],P=0===i.position.length?[og]:i.position,x=lg(P[0],B),C=lg(P[P.length-1],w),M=function(e,t,i,s,r){var o=0,n=0;switch(e.size){case 0:0===e.shape?o=n=Math.min(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.min(Math.abs(t),Math.abs(t-s)),n=Math.min(Math.abs(i),Math.abs(i-r)));break;case 2:if(0===e.shape)o=n=Math.min(Fg(t,i),Fg(t,i-r),Fg(t-s,i),Fg(t-s,i-r));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-r))/Math.min(Math.abs(t),Math.abs(t-s)),l=Ig(s,r,t,i,!0),A=l[0],h=l[1];n=a*(o=Fg(A-t,(h-i)/a))}break;case 1:0===e.shape?o=n=Math.max(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.max(Math.abs(t),Math.abs(t-s)),n=Math.max(Math.abs(i),Math.abs(i-r)));break;case 3:if(0===e.shape)o=n=Math.max(Fg(t,i),Fg(t,i-r),Fg(t-s,i),Fg(t-s,i-r));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-r))/Math.max(Math.abs(t),Math.abs(t-s));var c=Ig(s,r,t,i,!1);A=c[0],h=c[1],n=a*(o=Fg(A-t,(h-i)/a))}}return Array.isArray(e.size)&&(o=lg(e.size[0],s),n=2===e.size.length?lg(e.size[1],r):o),[o,n]}(i,x,C,B,w),E=M[0],F=M[1],E>0&&F>0&&(I=s.ctx.createRadialGradient(b+x,y+C,0,b+x,y+C,E),Mg(i.stops,2*E).forEach((function(e){return I.addColorStop(e.stop,fg(e.color))})),s.path(v),s.ctx.fillStyle=I,E!==F?(D=e.bounds.left+.5*e.bounds.width,S=e.bounds.top+.5*e.bounds.height,R=1/(T=F/E),s.ctx.save(),s.ctx.translate(D,S),s.ctx.transform(1,0,0,T,0,0),s.ctx.translate(-D,-S),s.ctx.fillRect(b,R*(y-S)+S,B,w*R),s.ctx.restore()):s.ctx.fill())),L.label=6;case 6:return t--,[2]}}))},s=this,r=0,o=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return r<o.length?(n=o[r],[5,i(n)]):[3,4];case 2:a.sent(),a.label=3;case 3:return r++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return hp(this,void 0,void 0,(function(){return cp(this,(function(s){return this.path(Tb(i,t)),this.ctx.fillStyle=fg(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,s){return hp(this,void 0,void 0,(function(){var r,o;return cp(this,(function(n){switch(n.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,s)]:[3,2];case 1:return n.sent(),[2];case 2:return r=function(e,t){switch(t){case 0:return Lb(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return Lb(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return Lb(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return Lb(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(s,i),this.path(r),this.ctx.fillStyle=fg(e),this.ctx.fill(),o=function(e,t){switch(t){case 0:return Lb(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return Lb(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return Lb(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return Lb(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(s,i),this.path(o),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return hp(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A=this;return cp(this,(function(h){switch(h.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!pg(t.backgroundColor)||t.backgroundImage.length,s=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],r=Xb(Hb(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(r),this.ctx.clip(),pg(t.backgroundColor)||(this.ctx.fillStyle=fg(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:h.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){A.ctx.save();var i,s,r,o,n,a=Bb(e.curves),l=t.inset?0:1e4,h=(i=a,s=-l+(t.inset?1:-1)*t.spread.number,r=(t.inset?1:-1)*t.spread.number,o=t.spread.number*(t.inset?-2:2),n=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(s,r);case 1:return e.add(s+o,r);case 2:return e.add(s+o,r+n);case 3:return e.add(s,r+n)}return e})));t.inset?(A.path(a),A.ctx.clip(),A.mask(h)):(A.mask(a),A.ctx.clip(),A.path(h)),A.ctx.shadowOffsetX=t.offsetX.number+l,A.ctx.shadowOffsetY=t.offsetY.number,A.ctx.shadowColor=fg(t.color),A.ctx.shadowBlur=t.blur.number,A.ctx.fillStyle=t.inset?fg(t.color):"rgba(0,0,0,1)",A.ctx.fill(),A.ctx.restore()})),h.label=2;case 2:o=0,n=0,a=s,h.label=3;case 3:return n<a.length?0!==(l=a[n]).style&&!pg(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,2)]:[3,11]:[3,13];case 4:return h.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,3)];case 6:return h.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,o,e.curves)];case 8:return h.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,o,e.curves)];case 10:h.sent(),h.label=11;case 11:o++,h.label=12;case 12:return n++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,s,r){return hp(this,void 0,void 0,(function(){var o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b;return cp(this,(function(y){return this.ctx.save(),o=function(e,t){switch(t){case 0:return Rb(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return Rb(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return Rb(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return Rb(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(s,i),n=Tb(s,i),2===r&&(this.path(n),this.ctx.clip()),vb(n[0])?(a=n[0].start.x,l=n[0].start.y):(a=n[0].x,l=n[0].y),vb(n[1])?(A=n[1].end.x,h=n[1].end.y):(A=n[1].x,h=n[1].y),c=0===i||2===i?Math.abs(a-A):Math.abs(l-h),this.ctx.beginPath(),3===r?this.formatPath(o):this.formatPath(n.slice(0,2)),u=t<3?3*t:2*t,d=t<3?2*t:t,3===r&&(u=t,d=t),p=!0,c<=2*u?p=!1:c<=2*u+d?(u*=f=c/(2*u+d),d*=f):(g=Math.floor((c+d)/(u+d)),m=(c-g*u)/(g-1),d=(_=(c-(g+1)*u)/g)<=0||Math.abs(d-m)<Math.abs(d-_)?m:_),p&&(3===r?this.ctx.setLineDash([0,u+d]):this.ctx.setLineDash([u,d])),3===r?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=fg(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===r&&(vb(n[0])&&(v=n[3],b=n[0],this.ctx.beginPath(),this.formatPath([new gb(v.end.x,v.end.y),new gb(b.start.x,b.start.y)]),this.ctx.stroke()),vb(n[1])&&(v=n[1],b=n[2],this.ctx.beginPath(),this.formatPath([new gb(v.end.x,v.end.y),new gb(b.start.x,b.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return hp(this,void 0,void 0,(function(){var t;return cp(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=fg(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),s=new Ib(e,null),r=new Fb(s),Db(s,r,r,o=[]),Sb(s.container,o),t=r,[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}var s,r,o}))}))},t}(zb),Wb=function(e){return e instanceof lv||(e instanceof av||e instanceof nv&&"radio"!==e.type&&"checkbox"!==e.type)},Xb=function(e,t){switch(e){case 0:return Bb(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return wb(t)}},Jb=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},Yb=["-apple-system","system-ui"],Zb=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===Yb.indexOf(e)})):e},qb=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),s.options=i,s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px",s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),s}return lp(t,e),t.prototype.render=function(e){return hp(this,void 0,void 0,(function(){var t,i;return cp(this,(function(s){switch(s.label){case 0:return 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image");return{width:o,height:r,data:h,compressed:n,hasAlpha:s,format:a}}function Zw(e,t){let i=e&&e.basis&&e.basis.format;return"auto"===i&&(i=qw()),"object"==typeof i&&(i=t?i.alpha:i.noAlpha),i=i.toLowerCase(),Kw[i]}function qw(){const e=Lw();return e.has("astc")?"astc-4x4":e.has("dxt")?{alpha:"bc3",noAlpha:"bc1"}:e.has("pvrtc")?{alpha:"pvrtc1-4-rgba",noAlpha:"pvrtc1-4-rgb"}:e.has("etc1")?"etc1":e.has("etc2")?"etc2":"rgb565"}const $w={...{name:"Basis",id:"basis",module:"textures",version:"3.2.6",worker:!0,extensions:["basis","ktx2"],mimeTypes:["application/octet-stream","image/ktx2"],tests:["sB"],binary:!0,options:{basis:{format:"auto",libraryPath:"libs/",containerFormat:"auto",module:"transcoder"}}},parse:async function(e,t){if("auto"===t.basis.containerFormat){if(function(e){const t=new Uint8Array(e);return!(t.byteLength<zw.length||t[0]!==zw[0]||t[1]!==zw[1]||t[2]!==zw[2]||t[3]!==zw[3]||t[4]!==zw[4]||t[5]!==zw[5]||t[6]!==zw[6]||t[7]!==zw[7]||t[8]!==zw[8]||t[9]!==zw[9]||t[10]!==zw[10]||t[11]!==zw[11])}(e)){return Jw((await xw(t)).KTX2File,e,t)}const{BasisFile:i}=await Pw(t);return Ww(i,e,t)}if("encoder"===t.basis.module){const i=await xw(t);return"ktx2"===t.basis.containerFormat?Jw(i.KTX2File,e,t):Ww(i.BasisFile,e,t)}{const{BasisFile:i}=await Pw(t);return Ww(i,e,t)}}},{_parseImageNode:eP}=globalThis,tP="undefined"!=typeof Image,iP="undefined"!=typeof ImageBitmap,sP=Boolean(eP),rP=!!ay||sP;function oP(e){const t=function(e){if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"imagebitmap";if("undefined"!=typeof Image&&e instanceof Image)return"image";if(e&&"object"==typeof e&&e.data&&e.width&&e.height)return"data";return null}(e);if(!t)throw new Error("Not an image");return t}const nP=/^data:image\/svg\+xml/,aP=/\.svg((\?|#).*)?$/;function lP(e){return e&&(nP.test(e)||aP.test(e))}function AP(e,t){if(lP(t))throw new Error("SVG cannot be parsed directly to imagebitmap");return new Blob([new Uint8Array(e)])}async function hP(e,t,i){const s=function(e,t){if(lP(t)){let t=(new TextDecoder).decode(e);try{"function"==typeof unescape&&"function"==typeof encodeURIComponent&&(t=unescape(encodeURIComponent(t)))}catch(e){throw new Error(e.message)}return"data:image/svg+xml;base64,".concat(btoa(t))}return AP(e,t)}(e,i),r=self.URL||self.webkitURL,o="string"!=typeof s&&r.createObjectURL(s);try{return await async function(e,t){const i=new Image;if(i.src=e,t.image&&t.image.decode&&i.decode)return await i.decode(),i;return await new Promise(((t,s)=>{try{i.onload=()=>t(i),i.onerror=t=>s(new Error("Could not load image ".concat(e,": ").concat(t)))}catch(e){s(e)}}))}(o||s,t)}finally{o&&r.revokeObjectURL(o)}}const cP={};let uP=!0;async function dP(e,t,i){let s;if(lP(i)){s=await hP(e,t,i)}else s=AP(e,i);const r=t&&t.imagebitmap;return await async function(e,t=null){!function(e){for(const t in e||cP)return!1;return!0}(t)&&uP||(t=null);if(t)try{return await createImageBitmap(e,t)}catch(e){console.warn(e),uP=!1}return await createImageBitmap(e)}(s,r)}function pP(e){const t=fP(e);return function(e){const t=fP(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){const t=fP(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;const{tableMarkers:i,sofMarkers:s}=function(){const e=new Set([65499,65476,65484,65501,65534]);for(let t=65504;t<65520;++t)e.add(t);const t=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:t}}();let r=2;for(;r+9<t.byteLength;){const e=t.getUint16(r,false);if(s.has(e))return{mimeType:"image/jpeg",height:t.getUint16(r+5,false),width:t.getUint16(r+7,false)};if(!i.has(e))return null;r+=2,r+=t.getUint16(r,false)}return null}(t)||function(e){const t=fP(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){const t=fP(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function fP(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}const gP={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:async function(e,t,i){const s=((t=t||{}).image||{}).type||"auto",{url:r}=i||{};let o;switch(function(e){switch(e){case"auto":case"data":return function(){if(iP)return"imagebitmap";if(tP)return"image";if(rP)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return iP||tP||rP;case"imagebitmap":return iP;case"image":return tP;case"data":return rP;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}(s)){case"imagebitmap":o=await dP(e,t,r);break;case"image":o=await hP(e,t,r);break;case"data":o=await async function(e,t){const{mimeType:i}=pP(e)||{},s=globalThis._parseImageNode;return ny(s),await s(e,i)}(e);break;default:ny(!1)}return"data"===s&&(o=function(e){switch(oP(e)){case"data":return e;case"image":case"imagebitmap":const t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}(o)),o},tests:[e=>Boolean(pP(new DataView(e)))],options:{image:{type:"auto",decode:!0}}},mP=["image/png","image/jpeg","image/gif"],_P={};function vP(e){return void 0===_P[e]&&(_P[e]=function(e){switch(e){case"image/webp":return function(){if(!ay)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch{return!1}}();case"image/svg":return ay;default:if(!ay){const{_parseImageNode:t}=globalThis;return Boolean(t)&&mP.includes(e)}return!0}}(e)),_P[e]}function bP(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function yP(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;const i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}const BP=["SCALAR","VEC2","VEC3","VEC4"],wP=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],PP=new Map(wP),xP={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},CP={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},MP={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function EP(e){return BP[e-1]||BP[0]}function FP(e){const t=PP.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function IP(e,t){const i=MP[e.componentType],s=xP[e.type],r=CP[e.componentType],o=e.count*s,n=e.count*s*r;return bP(n>=0&&n<=t.byteLength),{ArrayType:i,length:o,byteLength:n}}const DP={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]};class SP{constructor(e){gy(this,"gltf",void 0),gy(this,"sourceBuffers",void 0),gy(this,"byteLength",void 0),this.gltf=e||{json:{...DP},buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}get json(){return this.gltf.json}getApplicationData(e){return this.json[e]}getExtraData(e){return(this.json.extras||{})[e]}getExtension(e){const t=this.getUsedExtensions().find((t=>t===e)),i=this.json.extensions||{};return t?i[e]||!0:null}getRequiredExtension(e){const t=this.getRequiredExtensions().find((t=>t===e));return t?this.getExtension(e):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getObjectExtension(e,t){return(e.extensions||{})[t]}getScene(e){return this.getObject("scenes",e)}getNode(e){return this.getObject("nodes",e)}getSkin(e){return this.getObject("skins",e)}getMesh(e){return this.getObject("meshes",e)}getMaterial(e){return this.getObject("materials",e)}getAccessor(e){return this.getObject("accessors",e)}getTexture(e){return this.getObject("textures",e)}getSampler(e){return this.getObject("samplers",e)}getImage(e){return this.getObject("images",e)}getBufferView(e){return this.getObject("bufferViews",e)}getBuffer(e){return this.getObject("buffers",e)}getObject(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}getTypedArrayForBufferView(e){const t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];bP(i);const s=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,s,e.byteLength)}getTypedArrayForAccessor(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,{ArrayType:s,length:r}=IP(e,t);return new s(i,t.byteOffset+e.byteOffset,r)}getTypedArrayForImageData(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,s=t.byteOffset||0;return new Uint8Array(i,s,t.byteLength)}addApplicationData(e,t){return this.json[e]=t,this}addExtraData(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}addObjectExtension(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}setObjectExtension(e,t,i){(e.extensions||{})[t]=i}removeObjectExtension(e,t){const i=e.extensions||{},s=i[t];return delete i[t],s}addExtension(e,t={}){return bP(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}addRequiredExtension(e,t={}){return bP(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}registerUsedExtension(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((t=>t===e))||this.json.extensionsUsed.push(e)}registerRequiredExtension(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((t=>t===e))||this.json.extensionsRequired.push(e)}removeExtension(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}setDefaultScene(e){this.json.scene=e}addScene(e){const{nodeIndices:t}=e;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}addNode(e){const{meshIndex:t,matrix:i}=e;this.json.nodes=this.json.nodes||[];const s={mesh:t};return i&&(s.matrix=i),this.json.nodes.push(s),this.json.nodes.length-1}addMesh(e){const{attributes:t,indices:i,material:s,mode:r=4}=e,o={primitives:[{attributes:this._addAttributes(t),mode:r}]};if(i){const e=this._addIndices(i);o.primitives[0].indices=e}return Number.isFinite(s)&&(o.primitives[0].material=s),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}addPointCloud(e){const t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}addImage(e,t){const i=pP(e),s=t||(null==i?void 0:i.mimeType),r={bufferView:this.addBufferView(e),mimeType:s};return this.json.images=this.json.images||[],this.json.images.push(r),this.json.images.length-1}addBufferView(e){const t=e.byteLength;bP(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);const i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=Ny(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}addAccessor(e,t){const i={bufferView:e,type:EP(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}addBinaryBuffer(e,t={size:3}){const i=this.addBufferView(e);let s={min:t.min,max:t.max};s.min&&s.max||(s=this._getAccessorMinMax(e,t.size));const r={size:t.size,componentType:FP(e),count:Math.round(e.length/t.size),min:s.min,max:s.max};return this.addAccessor(i,Object.assign(r,t))}addTexture(e){const{imageIndex:t}=e,i={source:t};return this.json.textures=this.json.textures||[],this.json.textures.push(i),this.json.textures.length-1}addMaterial(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}createBinaryChunk(){var e,t;this.gltf.buffers=[];const i=this.byteLength,s=new ArrayBuffer(i),r=new Uint8Array(s);let o=0;for(const e of this.sourceBuffers||[])o=Qy(e,r,o);null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=i:this.json.buffers=[{byteLength:i}],this.gltf.binary=s,this.sourceBuffers=[s]}_removeStringFromArray(e,t){let i=!0;for(;i;){const s=e.indexOf(t);s>-1?e.splice(s,1):i=!1}}_addAttributes(e={}){const t={};for(const i in e){const s=e[i],r=this._getGltfAttributeName(i),o=this.addBinaryBuffer(s.value,s);t[r]=o}return t}_addIndices(e){return this.addBinaryBuffer(e,{size:1})}_getGltfAttributeName(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}_getAccessorMinMax(e,t){const i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];const s=e.subarray(0,t);for(const e of s)i.min.push(e),i.max.push(e);for(let s=t;s<e.length;s+=t)for(let r=0;r<t;r++)i.min[0+r]=Math.min(i.min[0+r],e[s+r]),i.max[0+r]=Math.max(i.max[0+r],e[s+r]);return i}}const TP="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",RP="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",LP=new 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t=await WebAssembly.instantiate(function(e){const t=new Uint8Array(e.length);for(let i=0;i<e.length;++i){const s=e.charCodeAt(i);t[i]=s>96?s-71:s>64?s-65:s>47?s+4:s>46?63:62}let i=0;for(let s=0;s<e.length;++s)t[i++]=t[s]<60?UP[t[s]]:64*(t[s]-60)+t[++s];return t.buffer.slice(0,i)}(e),{});return await t.instance.exports.__wasm_call_ctors(),t.instance}());return QP}();!function(e,t,i,s,r,o,n){const a=e.exports.sbrk,l=s+3&-4,A=a(l*r),h=a(o.length),c=new Uint8Array(e.exports.memory.buffer);c.set(o,h);const u=t(A,s,r,h,o.length);0===u&&n&&n(A,l,r);if(i.set(c.subarray(A,A+s*r)),a(A-a(0)),0!==u)throw new Error("Malformed buffer data: ".concat(u))}(n,n.exports[kP[r]],e,t,i,s,n.exports[OP[o||"NONE"]])}let QP;async function VP(e,t){const i=e.getObjectExtension(t,"EXT_meshopt_compression");if(i){const{byteOffset:s=0,byteLength:r=0,byteStride:o,count:n,mode:a,filter:l="NONE",buffer:A}=i,h=e.gltf.buffers[A],c=new Uint8Array(h.arrayBuffer,h.byteOffset+s,r),u=new Uint8Array(e.gltf.buffers[t.buffer].arrayBuffer,t.byteOffset,t.byteLength);return await NP(u,n,o,c,a,l),u}return null}var HP=Object.freeze({__proto__:null,name:"EXT_meshopt_compression",decode:async function(e,t){var i;const s=new SP(e);if(null==t||null===(i=t.gltf)||void 0===i||!i.decompressMeshes)return;const r=[];for(const t of e.json.bufferViews||[])r.push(VP(s,t));await Promise.all(r),s.removeExtension("EXT_meshopt_compression")}});var jP=Object.freeze({__proto__:null,name:"EXT_texture_webp",preprocess:function(e,t){const i=new SP(e);if(!vP("image/webp")){if(i.getRequiredExtensions().includes("EXT_texture_webp"))throw new Error("gltf: Required extension ".concat("EXT_texture_webp"," not supported by browser"));return}const{json:s}=i;for(const e of s.textures||[]){const t=i.getObjectExtension(e,"EXT_texture_webp");t&&(e.source=t.source),i.removeObjectExtension(e,"EXT_texture_webp")}i.removeExtension("EXT_texture_webp")}});var GP=Object.freeze({__proto__:null,name:"KHR_texture_basisu",preprocess:function(e,t){const i=new SP(e),{json:s}=i;for(const e of s.textures||[]){const t=i.getObjectExtension(e,"KHR_texture_basisu");t&&(e.source=t.source),i.removeObjectExtension(e,"KHR_texture_basisu")}i.removeExtension("KHR_texture_basisu")}});const zP={name:"Draco",id:"draco",module:"draco",shapes:["mesh"],version:"3.2.6",worker:!0,extensions:["drc"],mimeTypes:["application/octet-stream"],binary:!0,tests:["DRACO"],options:{draco:{decoderType:"object"==typeof WebAssembly?"wasm":"js",libraryPath:"libs/",extraAttributes:{},attributeNameEntry:void 0}}};class KP{constructor(e,t){gy(this,"fields",void 0),gy(this,"metadata",void 0),function(e,t){if(!e)throw new Error(t||"loader assertion failed.")}(Array.isArray(e)),function(e){const t={};for(const i of e)t[i.name]&&console.warn("Schema: duplicated field name",i.name,i),t[i.name]=!0}(e),this.fields=e,this.metadata=t||new Map}compareTo(e){if(this.metadata!==e.metadata)return!1;if(this.fields.length!==e.fields.length)return!1;for(let t=0;t<this.fields.length;++t)if(!this.fields[t].compareTo(e.fields[t]))return!1;return!0}select(...e){const t=Object.create(null);for(const i of e)t[i]=!0;const i=this.fields.filter((e=>t[e.name]));return new KP(i,this.metadata)}selectAt(...e){const t=e.map((e=>this.fields[e])).filter(Boolean);return new KP(t,this.metadata)}assign(e){let t,i=this.metadata;if(e instanceof KP){const s=e;t=s.fields,i=WP(WP(new Map,this.metadata),s.metadata)}else t=e;const s=Object.create(null);for(const e of this.fields)s[e.name]=e;for(const e of t)s[e.name]=e;const r=Object.values(s);return new KP(r,i)}}function WP(e,t){return new Map([...e||new Map,...t||new Map])}class XP{constructor(e,t,i=!1,s=new Map){gy(this,"name",void 0),gy(this,"type",void 0),gy(this,"nullable",void 0),gy(this,"metadata",void 0),this.name=e,this.type=t,this.nullable=i,this.metadata=s}get typeId(){return this.type&&this.type.typeId}clone(){return new XP(this.name,this.type,this.nullable,this.metadata)}compareTo(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}toString(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}let JP,YP,ZP,qP;!function(e){e[e.NONE=0]="NONE",e[e.Null=1]="Null",e[e.Int=2]="Int",e[e.Float=3]="Float",e[e.Binary=4]="Binary",e[e.Utf8=5]="Utf8",e[e.Bool=6]="Bool",e[e.Decimal=7]="Decimal",e[e.Date=8]="Date",e[e.Time=9]="Time",e[e.Timestamp=10]="Timestamp",e[e.Interval=11]="Interval",e[e.List=12]="List",e[e.Struct=13]="Struct",e[e.Union=14]="Union",e[e.FixedSizeBinary=15]="FixedSizeBinary",e[e.FixedSizeList=16]="FixedSizeList",e[e.Map=17]="Map",e[e.Dictionary=-1]="Dictionary",e[e.Int8=-2]="Int8",e[e.Int16=-3]="Int16",e[e.Int32=-4]="Int32",e[e.Int64=-5]="Int64",e[e.Uint8=-6]="Uint8",e[e.Uint16=-7]="Uint16",e[e.Uint32=-8]="Uint32",e[e.Uint64=-9]="Uint64",e[e.Float16=-10]="Float16",e[e.Float32=-11]="Float32",e[e.Float64=-12]="Float64",e[e.DateDay=-13]="DateDay",e[e.DateMillisecond=-14]="DateMillisecond",e[e.TimestampSecond=-15]="TimestampSecond",e[e.TimestampMillisecond=-16]="TimestampMillisecond",e[e.TimestampMicrosecond=-17]="TimestampMicrosecond",e[e.TimestampNanosecond=-18]="TimestampNanosecond",e[e.TimeSecond=-19]="TimeSecond",e[e.TimeMillisecond=-20]="TimeMillisecond",e[e.TimeMicrosecond=-21]="TimeMicrosecond",e[e.TimeNanosecond=-22]="TimeNanosecond",e[e.DenseUnion=-23]="DenseUnion",e[e.SparseUnion=-24]="SparseUnion",e[e.IntervalDayTime=-25]="IntervalDayTime",e[e.IntervalYearMonth=-26]="IntervalYearMonth"}(JP||(JP={}));class $P{static isNull(e){return e&&e.typeId===JP.Null}static isInt(e){return e&&e.typeId===JP.Int}static isFloat(e){return e&&e.typeId===JP.Float}static isBinary(e){return e&&e.typeId===JP.Binary}static isUtf8(e){return e&&e.typeId===JP.Utf8}static isBool(e){return e&&e.typeId===JP.Bool}static isDecimal(e){return e&&e.typeId===JP.Decimal}static isDate(e){return e&&e.typeId===JP.Date}static isTime(e){return e&&e.typeId===JP.Time}static isTimestamp(e){return e&&e.typeId===JP.Timestamp}static isInterval(e){return e&&e.typeId===JP.Interval}static isList(e){return e&&e.typeId===JP.List}static isStruct(e){return e&&e.typeId===JP.Struct}static isUnion(e){return e&&e.typeId===JP.Union}static isFixedSizeBinary(e){return e&&e.typeId===JP.FixedSizeBinary}static isFixedSizeList(e){return e&&e.typeId===JP.FixedSizeList}static isMap(e){return e&&e.typeId===JP.Map}static isDictionary(e){return e&&e.typeId===JP.Dictionary}get typeId(){return JP.NONE}compareTo(e){return this===e}}YP=Symbol.toStringTag;class ex extends $P{constructor(e,t){super(),gy(this,"isSigned",void 0),gy(this,"bitWidth",void 0),this.isSigned=e,this.bitWidth=t}get typeId(){return JP.Int}get[YP](){return"Int"}toString(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}class tx extends ex{constructor(){super(!0,8)}}class ix extends ex{constructor(){super(!0,16)}}class sx extends ex{constructor(){super(!0,32)}}class rx extends ex{constructor(){super(!1,8)}}class ox extends ex{constructor(){super(!1,16)}}class nx extends ex{constructor(){super(!1,32)}}const ax=32,lx=64;ZP=Symbol.toStringTag;class Ax extends $P{constructor(e){super(),gy(this,"precision",void 0),this.precision=e}get typeId(){return JP.Float}get[ZP](){return"Float"}toString(){return"Float".concat(this.precision)}}class hx extends Ax{constructor(){super(ax)}}class cx extends Ax{constructor(){super(lx)}}qP=Symbol.toStringTag;class ux extends $P{constructor(e,t){super(),gy(this,"listSize",void 0),gy(this,"children",void 0),this.listSize=e,this.children=[t]}get typeId(){return JP.FixedSizeList}get valueType(){return this.children[0].type}get valueField(){return this.children[0]}get[qP](){return"FixedSizeList"}toString(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}function dx(e,t,i){const s=function(e){switch(e.constructor){case Int8Array:return new tx;case Uint8Array:return new rx;case Int16Array:return new ix;case Uint16Array:return new ox;case Int32Array:return new sx;case Uint32Array:return new nx;case Float32Array:return new hx;case Float64Array:return new cx;default:throw new Error("array type not supported")}}(t.value),r=i||function(e){const t=new Map;"byteOffset"in e&&t.set("byteOffset",e.byteOffset.toString(10));"byteStride"in e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new XP(e,new ux(t.size,new XP("value",s)),!1,r)}function px(e,t,i){return dx(e,t,i?fx(i.metadata):void 0)}function fx(e){const t=new Map;for(const i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}const gx={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},mx={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};class _x{constructor(e){gy(this,"draco",void 0),gy(this,"decoder",void 0),gy(this,"metadataQuerier",void 0),this.draco=e,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(e,t={}){const i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);const s=this.decoder.GetEncodedGeometryType(i),r=s===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let e;switch(s){case this.draco.TRIANGULAR_MESH:e=this.decoder.DecodeBufferToMesh(i,r);break;case this.draco.POINT_CLOUD:e=this.decoder.DecodeBufferToPointCloud(i,r);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!e.ok()||!r.ptr){const t="DRACO decompression failed: ".concat(e.error_msg());throw new Error(t)}const o=this._getDracoLoaderData(r,s,t),n=this._getMeshData(r,o,t),a=function(e){let t=1/0,i=1/0,s=1/0,r=-1/0,o=-1/0,n=-1/0;const a=e.POSITION?e.POSITION.value:[],l=a&&a.length;for(let e=0;e<l;e+=3){const l=a[e],A=a[e+1],h=a[e+2];t=l<t?l:t,i=A<i?A:i,s=h<s?h:s,r=l>r?l:r,o=A>o?A:o,n=h>n?h:n}return[[t,i,s],[r,o,n]]}(n.attributes),l=function(e,t,i){const s=fx(t.metadata),r=[],o=function(e){const t={};for(const i in e){const s=e[i];t[s.name||"undefined"]=s}return t}(t.attributes);for(const t in e){const i=px(t,e[t],o[t]);r.push(i)}if(i){const e=px("indices",i);r.push(e)}return new KP(r,s)}(n.attributes,o,n.indices);return{loader:"draco",loaderData:o,header:{vertexCount:r.num_points(),boundingBox:a},...n,schema:l}}finally{this.draco.destroy(i),r&&this.draco.destroy(r)}}_getDracoLoaderData(e,t,i){const s=this._getTopLevelMetadata(e),r=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:s,attributes:r}}_getDracoAttributes(e,t){const i={};for(let s=0;s<e.num_attributes();s++){const r=this.decoder.GetAttribute(e,s),o=this._getAttributeMetadata(e,s);i[r.unique_id()]={unique_id:r.unique_id(),attribute_type:r.attribute_type(),data_type:r.data_type(),num_components:r.num_components(),byte_offset:r.byte_offset(),byte_stride:r.byte_stride(),normalized:r.normalized(),attribute_index:s,metadata:o};const n=this._getQuantizationTransform(r,t);n&&(i[r.unique_id()].quantization_transform=n);const a=this._getOctahedronTransform(r,t);a&&(i[r.unique_id()].octahedron_transform=a)}return i}_getMeshData(e,t,i){const s=this._getMeshAttributes(t,e,i);if(!s.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:s,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:s,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:s}}_getMeshAttributes(e,t,i){const s={};for(const r of Object.values(e.attributes)){const e=this._deduceAttributeName(r,i);r.name=e;const{value:o,size:n}=this._getAttributeValues(t,r);s[e]={value:o,size:n,byteOffset:r.byte_offset,byteStride:r.byte_stride,normalized:r.normalized}}return s}_getTriangleListIndices(e){const t=3*e.num_faces(),i=4*t,s=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,s),new Uint32Array(this.draco.HEAPF32.buffer,s,t).slice()}finally{this.draco._free(s)}}_getTriangleStripIndices(e){const t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(t)}finally{this.draco.destroy(t)}}_getAttributeValues(e,t){const i=mx[t.data_type],s=t.num_components,r=e.num_points()*s,o=r*i.BYTES_PER_ELEMENT,n=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,i);let a;const l=this.draco._malloc(o);try{const s=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,s,n,o,l),a=new i(this.draco.HEAPF32.buffer,l,r).slice()}finally{this.draco._free(l)}return{value:a,size:s}}_deduceAttributeName(e,t){const i=e.unique_id;for(const[e,s]of Object.entries(t.extraAttributes||{}))if(s===i)return e;const s=e.attribute_type;for(const e in gx){if(this.draco[e]===s)return gx[e]}const r=t.attributeNameEntry||"name";return e.metadata[r]?e.metadata[r].string:"CUSTOM_ATTRIBUTE_".concat(i)}_getTopLevelMetadata(e){const t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}_getAttributeMetadata(e,t){const i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}_getDracoMetadata(e){if(!e||!e.ptr)return{};const t={},i=this.metadataQuerier.NumEntries(e);for(let s=0;s<i;s++){const i=this.metadataQuerier.GetEntryName(e,s);t[i]=this._getDracoMetadataField(e,i)}return t}_getDracoMetadataField(e,t){const i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);const s=function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:s}}finally{this.draco.destroy(i)}}_disableAttributeTransforms(e){const{quantizedAttributes:t=[],octahedronAttributes:i=[]}=e,s=[...t,...i];for(const e of s)this.decoder.SkipAttributeTransform(this.draco[e])}_getQuantizationTransform(e,t){const{quantizedAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits(),range:t.range(),min_values:new Float32Array([1,2,3]).map((e=>t.min_value(e)))}}finally{this.draco.destroy(t)}}return null}_getOctahedronTransform(e,t){const{octahedronAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits()}}finally{this.draco.destroy(t)}}return null}}const vx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),bx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),yx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");let Bx;async function wx(e){const t=e.modules||{};return Bx=t.draco3d?Bx||t.draco3d.createDecoderModule({}).then((e=>({draco:e}))):Bx||async function(e){let t,i;if("js"===(e.draco&&e.draco.decoderType))t=await Dy(vx,"draco",e);else[t,i]=await Promise.all([await Dy(bx,"draco",e),await Dy(yx,"draco",e)]);return t=t||globalThis.DracoDecoderModule,await function(e,t){const i={};t&&(i.wasmBinary=t);return new Promise((t=>{e({...i,onModuleLoaded:e=>t({draco:e})})}))}(t,i)}(e),await Bx}const Px={...zP,parse:async function(e,t){const{draco:i}=await wx(t),s=new _x(i);try{return s.parseSync(e,null==t?void 0:t.draco)}finally{s.destroy()}}};function xx(e){const{buffer:t,size:i,count:s}=function(e){let t=e,i=1,s=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t,i=!1){if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),s=t.length/i);return{buffer:t,size:i,count:s}}(e);return{value:t,size:i,byteOffset:0,count:s,type:EP(i),componentType:FP(t)}}async function Cx(e,t,i,s){const r=e.getObjectExtension(t,"KHR_draco_mesh_compression");if(!r)return;const o=e.getTypedArrayForBufferView(r.bufferView),n=ky(o.buffer,o.byteOffset),{parse:a}=s,l={...i};delete l["3d-tiles"];const A=await a(n,Px,l,s),h=function(e){const t={};for(const i in e){const s=e[i];if("indices"!==i){const e=xx(s);t[i]=e}}return t}(A.attributes);for(const[i,s]of Object.entries(h))if(i in t.attributes){const r=t.attributes[i],o=e.getAccessor(r);null!=o&&o.min&&null!=o&&o.max&&(s.min=o.min,s.max=o.max)}t.attributes=h,A.indices&&(t.indices=xx(A.indices)),function(e){if(!e.attributes&&Object.keys(e.attributes).length>0)throw new Error("glTF: Empty primitive detected: Draco decompression failure?")}(t)}function Mx(e,t,i=4,s,r){var o;if(!s.DracoWriter)throw new Error("options.gltf.DracoWriter not provided");const n=s.DracoWriter.encodeSync({attributes:e}),a=null==r||null===(o=r.parseSync)||void 0===o?void 0:o.call(r,{attributes:e}),l=s._addFauxAttributes(a.attributes);return{primitives:[{attributes:l,mode:i,extensions:{KHR_draco_mesh_compression:{bufferView:s.addBufferView(n),attributes:l}}}]}}function*Ex(e){for(const t of e.json.meshes||[])for(const e of t.primitives)yield e}var Fx=Object.freeze({__proto__:null,name:"KHR_draco_mesh_compression",preprocess:function(e,t,i){const s=new SP(e);for(const e of Ex(s))s.getObjectExtension(e,"KHR_draco_mesh_compression")},decode:async function(e,t,i){var s;if(null==t||null===(s=t.gltf)||void 0===s||!s.decompressMeshes)return;const r=new SP(e),o=[];for(const e of Ex(r))r.getObjectExtension(e,"KHR_draco_mesh_compression")&&o.push(Cx(r,e,t,i));await Promise.all(o),r.removeExtension("KHR_draco_mesh_compression")},encode:function(e,t={}){const i=new SP(e);for(const e of i.json.meshes||[])Mx(e),i.addRequiredExtension("KHR_draco_mesh_compression")}});var Ix=Object.freeze({__proto__:null,name:"KHR_lights_punctual",decode:async function(e){const t=new SP(e),{json:i}=t,s=t.getExtension("KHR_lights_punctual");s&&(t.json.lights=s.lights,t.removeExtension("KHR_lights_punctual"));for(const e of i.nodes||[]){const i=t.getObjectExtension(e,"KHR_lights_punctual");i&&(e.light=i.light),t.removeObjectExtension(e,"KHR_lights_punctual")}},encode:async function(e){const t=new SP(e),{json:i}=t;if(i.lights){const e=t.addExtension("KHR_lights_punctual");bP(!e.lights),e.lights=i.lights,delete i.lights}if(t.json.lights){for(const e of t.json.lights){const i=e.node;t.addObjectExtension(i,"KHR_lights_punctual",e)}delete t.json.lights}}});function Dx(e,t){const i=Object.assign({},e.values);return Object.keys(e.uniforms||{}).forEach((t=>{e.uniforms[t].value&&!(t in i)&&(i[t]=e.uniforms[t].value)})),Object.keys(i).forEach((e=>{"object"==typeof i[e]&&void 0!==i[e].index&&(i[e].texture=t.getTexture(i[e].index))})),i}const Sx=[HP,jP,GP,Fx,Ix,Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:async function(e){const t=new SP(e),{json:i}=t;t.removeExtension("KHR_materials_unlit");for(const e of i.materials||[]){e.extensions&&e.extensions.KHR_materials_unlit&&(e.unlit=!0),t.removeObjectExtension(e,"KHR_materials_unlit")}},encode:function(e){const t=new SP(e),{json:i}=t;if(t.materials)for(const e of i.materials||[])e.unlit&&(delete e.unlit,t.addObjectExtension(e,"KHR_materials_unlit",{}),t.addExtension("KHR_materials_unlit"))}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:async function(e){const t=new SP(e),{json:i}=t,s=t.getExtension("KHR_techniques_webgl");if(s){const e=function(e,t){const{programs:i=[],shaders:s=[],techniques:r=[]}=e,o=new TextDecoder;return s.forEach((e=>{if(!Number.isFinite(e.bufferView))throw new Error("KHR_techniques_webgl: no shader code");e.code=o.decode(t.getTypedArrayForBufferView(e.bufferView))})),i.forEach((e=>{e.fragmentShader=s[e.fragmentShader],e.vertexShader=s[e.vertexShader]})),r.forEach((e=>{e.program=i[e.program]})),r}(s,t);for(const s of i.materials||[]){const i=t.getObjectExtension(s,"KHR_techniques_webgl");i&&(s.technique=Object.assign({},i,e[i.technique]),s.technique.values=Dx(s.technique,t)),t.removeObjectExtension(s,"KHR_techniques_webgl")}t.removeExtension("KHR_techniques_webgl")}},encode:async function(e,t){}})];function Tx(e,t){var i;const s=(null==t||null===(i=t.gltf)||void 0===i?void 0:i.excludeExtensions)||{};return!(e in s&&!s[e])}const Rx={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},Lx={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"};class Ux{constructor(){gy(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),gy(this,"json",void 0)}normalize(e,t){this.json=e.json;const i=e.json;switch(i.asset&&i.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(i.asset.version))}if(!t.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to glTF v2 format. This is experimental and may fail."),this._addAsset(i),this._convertTopLevelObjectsToArrays(i),function(e){const t=new SP(e),{json:i}=t;for(const e of i.images||[]){const i=t.getObjectExtension(e,"KHR_binary_glTF");i&&Object.assign(e,i),t.removeObjectExtension(e,"KHR_binary_glTF")}i.buffers&&i.buffers[0]&&delete i.buffers[0].uri,t.removeExtension("KHR_binary_glTF")}(e),this._convertObjectIdsToArrayIndices(i),this._updateObjects(i),this._updateMaterial(i)}_addAsset(e){e.asset=e.asset||{},e.asset.version="2.0",e.asset.generator=e.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}_convertTopLevelObjectsToArrays(e){for(const t in Rx)this._convertTopLevelObjectToArray(e,t)}_convertTopLevelObjectToArray(e,t){const i=e[t];if(i&&!Array.isArray(i)){e[t]=[];for(const s in i){const r=i[s];r.id=r.id||s;const o=e[t].length;e[t].push(r),this.idToIndexMap[t][s]=o}}}_convertObjectIdsToArrayIndices(e){for(const t in Rx)this._convertIdsToIndices(e,t);"scene"in e&&(e.scene=this._convertIdToIndex(e.scene,"scene"));for(const t of e.textures)this._convertTextureIds(t);for(const t of e.meshes)this._convertMeshIds(t);for(const t of e.nodes)this._convertNodeIds(t);for(const t of e.scenes)this._convertSceneIds(t)}_convertTextureIds(e){e.source&&(e.source=this._convertIdToIndex(e.source,"image"))}_convertMeshIds(e){for(const t of e.primitives){const{attributes:e,indices:i,material:s}=t;for(const t in e)e[t]=this._convertIdToIndex(e[t],"accessor");i&&(t.indices=this._convertIdToIndex(i,"accessor")),s&&(t.material=this._convertIdToIndex(s,"material"))}}_convertNodeIds(e){e.children&&(e.children=e.children.map((e=>this._convertIdToIndex(e,"node")))),e.meshes&&(e.meshes=e.meshes.map((e=>this._convertIdToIndex(e,"mesh"))))}_convertSceneIds(e){e.nodes&&(e.nodes=e.nodes.map((e=>this._convertIdToIndex(e,"node"))))}_convertIdsToIndices(e,t){e[t]||(console.warn("gltf v1: json doesn't contain attribute ".concat(t)),e[t]=[]);for(const i of e[t])for(const e in i){const t=i[e],s=this._convertIdToIndex(t,e);i[e]=s}}_convertIdToIndex(e,t){const i=Lx[t];if(i in this.idToIndexMap){const s=this.idToIndexMap[i][e];if(!Number.isFinite(s))throw new Error("gltf v1: failed to resolve ".concat(t," with id ").concat(e));return s}return e}_updateObjects(e){for(const e of this.json.buffers)delete e.type}_updateMaterial(e){for(const s of e.materials){var t,i;s.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};const r=(null===(t=s.values)||void 0===t?void 0:t.tex)||(null===(i=s.values)||void 0===i?void 0:i.texture2d_0),o=e.textures.findIndex((e=>e.id===r));-1!==o&&(s.pbrMetallicRoughness.baseColorTexture={index:o})}}}const Ox={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},kx={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},Nx=10240,Qx=10241,Vx=10242,Hx=10243,jx=10497,Gx={magFilter:Nx,minFilter:Qx,wrapS:Vx,wrapT:Hx},zx={[Nx]:9729,[Qx]:9986,[Vx]:jx,[Hx]:jx};class Kx{constructor(){gy(this,"baseUri",""),gy(this,"json",{}),gy(this,"buffers",[]),gy(this,"images",[])}postProcess(e,t={}){const{json:i,buffers:s=[],images:r=[],baseUri:o=""}=e;return bP(i),this.baseUri=o,this.json=i,this.buffers=s,this.images=r,this._resolveTree(this.json,t),this.json}_resolveTree(e,t={}){e.bufferViews&&(e.bufferViews=e.bufferViews.map(((e,t)=>this._resolveBufferView(e,t)))),e.images&&(e.images=e.images.map(((e,t)=>this._resolveImage(e,t)))),e.samplers&&(e.samplers=e.samplers.map(((e,t)=>this._resolveSampler(e,t)))),e.textures&&(e.textures=e.textures.map(((e,t)=>this._resolveTexture(e,t)))),e.accessors&&(e.accessors=e.accessors.map(((e,t)=>this._resolveAccessor(e,t)))),e.materials&&(e.materials=e.materials.map(((e,t)=>this._resolveMaterial(e,t)))),e.meshes&&(e.meshes=e.meshes.map(((e,t)=>this._resolveMesh(e,t)))),e.nodes&&(e.nodes=e.nodes.map(((e,t)=>this._resolveNode(e,t)))),e.skins&&(e.skins=e.skins.map(((e,t)=>this._resolveSkin(e,t)))),e.scenes&&(e.scenes=e.scenes.map(((e,t)=>this._resolveScene(e,t)))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];return i||console.warn("glTF file error: Could not find ".concat(e,"[").concat(t,"]")),i}_resolveScene(e,t){return e.id=e.id||"scene-".concat(t),e.nodes=(e.nodes||[]).map((e=>this.getNode(e))),e}_resolveNode(e,t){return e.id=e.id||"node-".concat(t),e.children&&(e.children=e.children.map((e=>this.getNode(e)))),void 0!==e.mesh?e.mesh=this.getMesh(e.mesh):void 0!==e.meshes&&e.meshes.length&&(e.mesh=e.meshes.reduce(((e,t)=>{const i=this.getMesh(t);return e.id=i.id,e.primitives=e.primitives.concat(i.primitives),e}),{primitives:[]})),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin)),e}_resolveSkin(e,t){return e.id=e.id||"skin-".concat(t),e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices),e}_resolveMesh(e,t){return e.id=e.id||"mesh-".concat(t),e.primitives&&(e.primitives=e.primitives.map((e=>{const t=(e={...e}).attributes;e.attributes={};for(const i in t)e.attributes[i]=this.getAccessor(t[i]);return void 0!==e.indices&&(e.indices=this.getAccessor(e.indices)),void 0!==e.material&&(e.material=this.getMaterial(e.material)),e}))),e}_resolveMaterial(e,t){if(e.id=e.id||"material-".concat(t),e.normalTexture&&(e.normalTexture={...e.normalTexture},e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlustionTexture={...e.occlustionTexture},e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emmisiveTexture={...e.emmisiveTexture},e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.emissiveFactor||(e.emissiveFactor=e.emmisiveTexture?[1,1,1]:[0,0,0]),e.pbrMetallicRoughness){e.pbrMetallicRoughness={...e.pbrMetallicRoughness};const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture={...t.baseColorTexture},t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture={...t.metallicRoughnessTexture},t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}return e}_resolveAccessor(e,t){var i,s;if(e.id=e.id||"accessor-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(i=e.componentType,kx[i]),e.components=(s=e.type,Ox[s]),e.bytesPerElement=e.bytesPerComponent*e.components,e.bufferView){const t=e.bufferView.buffer,{ArrayType:i,byteLength:s}=IP(e,e.bufferView),r=(e.bufferView.byteOffset||0)+(e.byteOffset||0)+t.byteOffset;let o=t.arrayBuffer.slice(r,r+s);e.bufferView.byteStride&&(o=this._getValueFromInterleavedBuffer(t,r,e.bufferView.byteStride,e.bytesPerElement,e.count)),e.value=new i(o)}return e}_getValueFromInterleavedBuffer(e,t,i,s,r){const o=new Uint8Array(r*s);for(let n=0;n<r;n++){const r=t+n*i;o.set(new Uint8Array(e.arrayBuffer.slice(r,r+s)),n*s)}return o.buffer}_resolveTexture(e,t){return e.id=e.id||"texture-".concat(t),e.sampler="sampler"in e?this.getSampler(e.sampler):zx,e.source=this.getImage(e.source),e}_resolveSampler(e,t){e.id=e.id||"sampler-".concat(t),e.parameters={};for(const t in e){const i=this._enumSamplerParameter(t);void 0!==i&&(e.parameters[i]=e[t])}return e}_enumSamplerParameter(e){return Gx[e]}_resolveImage(e,t){e.id=e.id||"image-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));const i=this.images[t];return i&&(e.image=i),e}_resolveBufferView(e,t){const i=e.buffer,s={id:"bufferView-".concat(t),...e,buffer:this.buffers[i]},r=this.buffers[i].arrayBuffer;let o=this.buffers[i].byteOffset||0;return"byteOffset"in e&&(o+=e.byteOffset),s.data=new Uint8Array(r,o,e.byteLength),s}_resolveCamera(e,t){return e.id=e.id||"camera-".concat(t),e.perspective,e.orthographic,e}}const Wx=1735152710,Xx=!0;function Jx(e,t,i=0,s={}){const r=new DataView(t),o=function(e,t=0){return"".concat(String.fromCharCode(e.getUint8(t+0))).concat(String.fromCharCode(e.getUint8(t+1))).concat(String.fromCharCode(e.getUint8(t+2))).concat(String.fromCharCode(e.getUint8(t+3)))}(r,i+0),n=r.getUint32(i+4,Xx),a=r.getUint32(i+8,Xx);switch(Object.assign(e,{header:{byteOffset:i,byteLength:a,hasBinChunk:!1},type:o,version:n,json:{},binChunks:[]}),i+=12,e.version){case 1:return function(e,t,i){ny(e.header.byteLength>20);const s=t.getUint32(i+0,Xx),r=t.getUint32(i+4,Xx);return i+=8,ny(0===r),Yx(e,t,i,s),i+=s,i+=Zx(e,t,i,e.header.byteLength)}(e,r,i);case 2:return function(e,t,i,s){return ny(e.header.byteLength>20),function(e,t,i,s){for(;i+8<=e.header.byteLength;){const r=t.getUint32(i+0,Xx),o=t.getUint32(i+4,Xx);switch(i+=8,o){case 1313821514:Yx(e,t,i,r);break;case 5130562:Zx(e,t,i,r);break;case 0:s.strict||Yx(e,t,i,r);break;case 1:s.strict||Zx(e,t,i,r)}i+=Ny(r,4)}}(e,t,i,s),i+e.header.byteLength}(e,r,i,{});default:throw new Error("Invalid GLB version ".concat(e.version,". Only supports v1 and v2."))}}function Yx(e,t,i,s){const r=new Uint8Array(t.buffer,i,s),o=new TextDecoder("utf8").decode(r);return e.json=JSON.parse(o),Ny(s,4)}function Zx(e,t,i,s){return e.header.hasBinChunk=!0,e.binChunks.push({byteOffset:i,byteLength:s,arrayBuffer:t.buffer}),Ny(s,4)}async function qx(e,t,i=0,s,r){var o,n,a,l;!function(e,t,i,s){s.uri&&(e.baseUri=s.uri);if(t instanceof ArrayBuffer&&!function(e,t=0,i={}){const s=new DataView(e),{magic:r=Wx}=i,o=s.getUint32(t,!1);return o===r||o===Wx}(t,i,s)){t=(new TextDecoder).decode(t)}if("string"==typeof t)e.json=Ly(t);else if(t instanceof ArrayBuffer){const r={};i=Jx(r,t,i,s.glb),bP("glTF"===r.type,"Invalid GLB magic string ".concat(r.type)),e._glb=r,e.json=r.json}else bP(!1,"GLTF: must be ArrayBuffer or string");const r=e.json.buffers||[];if(e.buffers=new Array(r.length).fill(null),e._glb&&e._glb.header.hasBinChunk){const{binChunks:t}=e._glb;e.buffers[0]={arrayBuffer:t[0].arrayBuffer,byteOffset:t[0].byteOffset,byteLength:t[0].byteLength}}const o=e.json.images||[];e.images=new Array(o.length).fill({})}(e,t,i,s),function(e,t={}){(new Ux).normalize(e,t)}(e,{normalize:null==s||null===(o=s.gltf)||void 0===o?void 0:o.normalize}),function(e,t={},i){const s=Sx.filter((e=>Tx(e.name,t)));for(const o of s){var r;null===(r=o.preprocess)||void 0===r||r.call(o,e,t,i)}}(e,s,r);const A=[];if(null!=s&&null!==(n=s.gltf)&&void 0!==n&&n.loadBuffers&&e.json.buffers&&await async function(e,t,i){const s=e.json.buffers||[];for(let n=0;n<s.length;++n){const a=s[n];if(a.uri){var r,o;const{fetch:s}=i;bP(s);const l=yP(a.uri,t),A=await(null==i||null===(r=i.fetch)||void 0===r?void 0:r.call(i,l)),h=await(null==A||null===(o=A.arrayBuffer)||void 0===o?void 0:o.call(A));e.buffers[n]={arrayBuffer:h,byteOffset:0,byteLength:h.byteLength},delete a.uri}else null===e.buffers[n]&&(e.buffers[n]={arrayBuffer:new ArrayBuffer(a.byteLength),byteOffset:0,byteLength:a.byteLength})}}(e,s,r),null!=s&&null!==(a=s.gltf)&&void 0!==a&&a.loadImages){const t=async function(e,t,i){const s=function(e){const t=new Set,i=e.json.textures||[];for(const e of i)void 0!==e.source&&t.add(e.source);return Array.from(t).sort()}(e),r=e.json.images||[],o=[];for(const n of s)o.push($x(e,r[n],n,t,i));return await Promise.all(o)}(e,s,r);A.push(t)}const h=async function(e,t={},i){const s=Sx.filter((e=>Tx(e.name,t)));for(const o of s){var r;await(null===(r=o.decode)||void 0===r?void 0:r.call(o,e,t,i))}}(e,s,r);return A.push(h),await Promise.all(A),null!=s&&null!==(l=s.gltf)&&void 0!==l&&l.postProcess?function(e,t){return(new Kx).postProcess(e,t)}(e,s):e}async function $x(e,t,i,s,r){const{fetch:o,parse:n}=r;let a;if(t.uri){const e=yP(t.uri,s),i=await o(e);a=await i.arrayBuffer()}if(Number.isFinite(t.bufferView)){const i=function(e,t,i){const s=e.bufferViews[i];bP(s);const r=t[s.buffer];bP(r);const o=(s.byteOffset||0)+r.byteOffset;return new Uint8Array(r.arrayBuffer,o,s.byteLength)}(e.json,e.buffers,t.bufferView);a=ky(i.buffer,i.byteOffset,i.byteLength)}bP(a,"glTF image has no data");let l=await n(a,[gP,$w],{mimeType:t.mimeType,basis:s.basis||{format:qw()}},r);l&&l[0]&&(l={compressed:!0,mipmaps:!1,width:l[0].width,height:l[0].height,data:l[0]}),e.images=e.images||[],e.images[i]=l}const eC={name:"glTF",id:"gltf",module:"gltf",version:"3.2.6",extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:async function(e,t={},i){(t={...eC.options,...t}).gltf={...eC.options.gltf,...t.gltf};const{byteOffset:s=0}=t;return await qx({},e,s,t,i)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};class tC{constructor(e){}load(e,t,i,s,r,o,n){!function(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++;"glb"===t.split(".").pop()?e.dataSource.getGLB(t,(n=>{s.basePath=iC(t),sC(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)})):e.dataSource.getGLTF(t,(n=>{s.basePath=iC(t),sC(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)}))}(e,t,i,s=s||{},r,(function(){I.scheduleTask((function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1)})),o&&o()}),(function(t){e.error(t),n&&n(t),r.fire("error",t)}))}parse(e,t,i,s,r,o,n){sC(e,"",t,i,s=s||{},r,(function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1),o&&o()}))}}function iC(e){const t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}function sC(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++,vw(i,eC,{baseUri:r.basePath}).then((i=>{const l={src:t,entityId:r.entityId,metaModelJSON:s,autoMetaModel:r.autoMetaModel,globalizeObjectIds:r.globalizeObjectIds,metaObjects:[],loadBuffer:r.loadBuffer,basePath:r.basePath,handlenode:r.handlenode,backfaces:!!r.backfaces,gltfData:i,scene:o.scene,plugin:e,sceneModel:o,numObjects:0,nodes:[],nextId:0,log:t=>{e.log(t)}};!function(e){const t=e.gltfData.textures;if(t)for(let i=0,s=t.length;i<s;i++)rC(e,t[i])}(l),function(e){const t=e.gltfData.materials;if(t)for(let i=0,s=t.length;i<s;i++){const s=t[i];s._textureSetId=oC(e,s),s._attributes=nC(e,s)}}(l),r.autoMetaModel&&l.metaObjects.push({id:o.id,type:"Default",name:o.id}),function(e){const t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");const s=i.nodes;if(!s)return;!function e(t){t.forEach((t=>{const i=t.mesh;i&&(i.instances||=0,i.instances+=1),t.children&&e(t.children)}))}(s);const r=[];let o=null;!function t(i,s,n){i.forEach((i=>{const a=i.name;let l=null!=a&&a||0===s&&"entity-"+e.nextId++;if(l){for(;e.sceneModel.objects[l];)l="entity-"+e.nextId++;r.push(o),o=[]}const A=function(e,t){let i;e.matrix&&(i=e.matrix,t=t?d.mulMat4(t,i,d.mat4()):i);e.translation&&(i=d.translationMat4v(e.translation),t=t?d.mulMat4(t,i,d.mat4()):i);e.rotation&&(i=d.quaternionToMat4(e.rotation),t=t?d.mulMat4(t,i,d.mat4()):i);e.scale&&(i=d.scalingMat4v(e.scale),t=t?d.mulMat4(t,i,d.mat4()):i);return t}(i,n);if(i.mesh&&function(e,t,i,s){const r=e.mesh;if(!r)return;const o=r.primitives.length;if(o>0)for(let e=0;e<o;e++){const o=r.primitives[e];if(o.mode<4)continue;const n={id:t.sceneModel.id+"."+t.numObjects++},a=o.material;a?(n.textureSetId=a._textureSetId,n.color=a._attributes.color,n.opacity=a._attributes.opacity,n.metallic=a._attributes.metallic,n.roughness=a._attributes.roughness):(n.color=new Float32Array([1,1,1]),n.opacity=1);const l=!1!==t.backfaces||a&&!1!==a.doubleSided;switch(o.mode){case 0:n.primitive="points";break;case 1:case 2:case 3:n.primitive="lines";break;default:n.primitive=l?"triangles":"solid"}const A=o.attributes.POSITION;if(!A)continue;n.localPositions=A.value,n.positions=new Float64Array(n.localPositions.length),o.attributes.NORMAL&&(n.normals=o.attributes.NORMAL.value),o.attributes.TEXCOORD_0&&(n.uv=o.attributes.TEXCOORD_0.value),o.indices&&(n.indices=o.indices.value),i?d.transformPositions3(i,n.localPositions,n.positions):n.positions.set(n.localPositions);const h=d.vec3();te(n.positions,n.positions,h)&&(n.origin=h),t.sceneModel.createMesh(n),s.push(n.id)}}(i,e,A,o),i.children&&t(i.children,s+1,A),l){if(o.length>0){const t=e.globalizeObjectIds?d.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:t,meshIds:o,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:t,type:"Default",name:t,parent:e.sceneModel.id})}o=r.pop()}}))}(s,0,null)}(l),o.finalize(),r.autoMetaModel&&e.viewer.metaScene.createMetaModel(o.id,{metaObjects:l.metaObjects}),a.processes--,n()}))}function rC(e,t){if(!t.source||!t.source.image)return;const i="texture-"+e.nextId++;let s=1005;switch(t.sampler.minFilter){case 9728:s=1003;break;case 9729:s=1006;break;case 9984:s=1004;break;case 9985:s=1007;break;case 9986:s=1005;break;case 9987:s=1008}let r=1006;switch(t.sampler.magFilter){case 9728:r=1003;break;case 9729:r=1006}let o=1e3;switch(t.sampler.wrapS){case 33071:o=1001;break;case 33648:o=1002;break;case 10497:o=1e3}let n=1e3;switch(t.sampler.wrapT){case 33071:n=1001;break;case 33648:n=1002;break;case 10497:n=1e3}let a=1e3;switch(t.sampler.wrapR){case 33071:a=1001;break;case 33648:a=1002;break;case 10497:a=1e3}e.sceneModel.createTexture({id:i,image:t.source.image,flipY:!!t.flipY,minFilter:s,magFilter:r,wrapS:o,wrapT:n,wrapR:a,encoding:3001}),t._textureId=i}function oC(e,t){const i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":const e=t.alphaCutoff;i.alphaCutoff=void 0!==e?e:.5}const s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){const r=t.pbrMetallicRoughness,o=r.baseColorTexture||r.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}const r=t.extensions;if(r){const t=r.KHR_materials_pbrSpecularGlossiness;if(t){t.specularTexture;const s=t.specularColorTexture;null!=s&&(i.colorTextureId=e.gltfData.textures[s.index]._textureId)}}return void 0!==i.normalTextureId||void 0!==i.occlusionTextureId||void 0!==i.emissiveTextureId||void 0!==i.colorTextureId||void 0!==i.metallicRoughnessTextureId?(i.id=`textureSet-${e.nextId++};`,e.sceneModel.createTextureSet(i),i.id):null}function nC(e,t){const i=t.extensions,s={color:new Float32Array([1,1,1,1]),opacity:1,metallic:0,roughness:1,doubleSided:!0};if(i){const e=i.KHR_materials_pbrSpecularGlossiness;if(e){const t=e.diffuseFactor;null!=t&&s.color.set(t)}const t=i.KHR_materials_common;if(t){const e=t.technique,i=t.values||{},r="BLINN"===e,o="PHONG"===e,n="LAMBERT"===e,a=i.diffuse;a&&(r||o||n)&&(y.isString(a)||s.color.set(a));const l=i.transparency;null!=l&&(s.opacity=l);const A=i.transparent;null!=A&&(s.opacity=A)}}const r=t.pbrMetallicRoughness;if(r){const e=r.baseColorFactor;e&&(s.color[0]=e[0],s.color[1]=e[1],s.color[2]=e[2],s.opacity=e[3]);const t=r.metallicFactor;null!=t&&(s.metallic=t);const i=r.roughnessFactor;null!=i&&(s.roughness=i)}return s.doubleSided=!1!==t.doubleSided,s}const aC={DEFAULT:{}};class lC extends z{constructor(e,t={}){super("GLTFLoader",e,t),this._sceneModelLoader=new tC(this,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new Tu}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||aC}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Au(this.viewer.scene,y.apply(e,{isModel:!0,dtxEnabled:e.dtxEnabled})),i=t.id;if(!e.src&&!e.gltf)return this.error("load() param expected: src or gltf"),t;if(e.metaModelSrc||e.metaModelJSON){const s=s=>{this.viewer.metaScene.createMetaModel(i,s,{}),this.viewer.scene.canvas.spinner.processes--,e.src?this._sceneModelLoader.load(this,e.src,s,e,t):this._sceneModelLoader.parse(this,e.gltf,s,e,t)};if(e.metaModelSrc){const t=e.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(t,(e=>{this.viewer.scene.canvas.spinner.processes--,s(e)}),(e=>{this.error(`load(): Failed to load model metadata for model '${i} from  '${t}' - ${e}`),this.viewer.scene.canvas.spinner.processes--}))}else e.metaModelJSON&&s(e.metaModelJSON)}else e.src?this._sceneModelLoader.load(this,e.src,null,e,t):this._sceneModelLoader.parse(this,e.gltf,null,e,t);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}function AC(e,t,i={}){const s="lightgrey",r=i.hoverColor||"rgba(0,0,0,0.4)",o=i.textColor||"black",n=500,a=n+n/3,l=a/24,A=[{boundary:[6,6,6,6],color:i.frontColor||i.color||"#55FF55"},{boundary:[18,6,6,6],color:i.backColor||i.color||"#55FF55"},{boundary:[12,6,6,6],color:i.rightColor||i.color||"#FF5555"},{boundary:[0,6,6,6],color:i.leftColor||i.color||"#FF5555"},{boundary:[6,0,6,6],color:i.topColor||i.color||"#7777FF"},{boundary:[6,12,6,6],color:i.bottomColor||i.color||"#7777FF"}],h=[{label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,1,0],up:[0,0,1]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,-1,0],up:[0,0,1]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,0,1]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,0,1]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,0,1],up:[0,-1,0]},{boundaries:[[7,5,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,0,-1],up:[1,0,1]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-1,-1],up:[0,-1,1]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,0,-1],up:[-1,0,1]},{boundaries:[[7,11,4,2]],dir:[0,1,1],up:[0,-1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,0,1],up:[-1,0,1]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,-1,1],up:[0,1,1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,0,1],up:[1,0,1]},{boundaries:[[5,7,2,4]],dir:[1,1,0],up:[0,0,1]},{boundaries:[[11,7,2,4]],dir:[-1,1,0],up:[0,0,1]},{boundaries:[[17,7,2,4]],dir:[-1,-1,0],up:[0,0,1]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,-1,0],up:[0,0,1]},{boundaries:[[5,11,2,2]],dir:[1,1,1],up:[-1,-1,1]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[1,-1,1],up:[-1,1,1]},{boundaries:[[5,5,2,2]],dir:[1,1,-1],up:[1,1,1]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-1,-1,1],up:[1,1,1]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-1,-1,-1],up:[-1,-1,1]},{boundaries:[[11,11,2,2]],dir:[-1,1,1],up:[1,-1,1]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[1,-1,-1],up:[1,-1,1]},{boundaries:[[11,5,2,2]],dir:[-1,1,-1],up:[-1,1,1]}];i.frontColor||i.color,i.backColor||i.color,i.rightColor||i.color,i.leftColor||i.color,i.topColor||i.color,i.bottomColor||i.color;const c=[{yUp:"",label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,0,1],up:[0,1,0]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,1,0]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,1,0]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,-1,0],up:[0,0,-1]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,1,0],up:[0,0,1]},{boundaries:[[7,5,4,2]],dir:[0,-.7071,-.7071],up:[0,.7071,-.7071]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,-1,0],up:[1,1,0]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-.7071,.7071],up:[0,.7071,.7071]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,-1,0],up:[-1,1,0]},{boundaries:[[7,11,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,1,0],up:[-1,1,0]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,1,1],up:[0,1,-1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,1,0],up:[1,1,0]},{boundaries:[[5,7,2,4]],dir:[1,0,-1],up:[0,1,0]},{boundaries:[[11,7,2,4]],dir:[-1,0,-1],up:[0,1,0]},{boundaries:[[17,7,2,4]],dir:[-1,0,1],up:[0,1,0]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,0,1],up:[0,1,0]},{boundaries:[[5,11,2,2]],dir:[.5,.7071,-.5],up:[-.5,.7071,.5]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[.5,.7071,.5],up:[-.5,.7071,-.5]},{boundaries:[[5,5,2,2]],dir:[.5,-.7071,-.5],up:[.5,.7071,-.5]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-.5,.7071,.5],up:[.5,.7071,-.5]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-.5,-.7071,.5],up:[-.5,.7071,.5]},{boundaries:[[11,11,2,2]],dir:[-.5,.7071,-.5],up:[.5,.7071,.5]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[.5,-.7071,.5],up:[.5,.7071,.5]},{boundaries:[[11,5,2,2]],dir:[-.5,-.7071,-.5],up:[-.5,.7071,-.5]}];for(let e=0,t=h.length;e<t;e++)d.normalizeVec3(h[e].dir,h[e].dir),d.normalizeVec3(h[e].up,h[e].up);for(let e=0,t=c.length;e<t;e++)d.normalizeVec3(c[e].dir,c[e].dir),d.normalizeVec3(c[e].up,c[e].up);var u=c;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=n,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height="500px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=s,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;document.getElementsByTagName("body")[0].appendChild(this._textureCanvas);const p=this._textureCanvas.getContext("2d");let f=!1;function g(){for(let e=0,t=A.length;e<t;e++){const t=A[e],i=t.boundary,s=Math.round(i[0]*l),r=Math.round(i[1]*l),o=Math.round(i[2]*l),n=Math.round(i[3]*l);p.fillStyle=t.color,p.fillRect(s,r,o,n)}for(let t=0,A=u.length;t<A;t++){let A,h,c,d;const f=u[t],g=f.boundaries;for(var e=0,i=g.length;e<i;e++){const t=g[e];A=Math.round(t[0]*l),h=Math.round(t[1]*l),c=Math.round(t[2]*l),d=Math.round(t[3]*l),f.highlighted&&(p.fillStyle=f.highlighted?r:f.color||s,p.fillRect(A,h,c,d))}if(f.label){p.fillStyle=o,p.font="60px sans-serif",p.textAlign="center";var n=A+.5*c,a=h+.7*d;p.fillText(m(f.label),n,a,80)}}t.glRedraw()}const m=function(){const t={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},i={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},s={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"};return function(r){const o=f?i:t,n=o?o[r]:null;return n?e.localeService.translate(n)||s[n]||n:r}}();this.setZUp=function(){f=!0,u=h,this.clear()},this.setYUp=function(){f=!1,u=c,this.clear()},this.clear=function(){p.fillStyle=s,p.fillRect(0,0,a,n);for(var e=0,t=u.length;e<t;e++){u[e].highlighted=!1}g()},this.getArea=function(e){const t=e[0]*a,i=n-e[1]*n;for(var s=0,r=u.length;s<r;s++){const e=u[s].boundaries;for(var o=0,A=e.length;o<A;o++){const r=e[o];if(t>=r[0]*l&&t<=(r[0]+r[2])*l&&i>=r[1]*l&&i<=(r[1]+r[3])*l)return s}}return-1},this.setAreaHighlighted=function(e,t){var i=u[e];if(!i)throw"Area not found: "+e;i.highlighted=!!t,g()},this.getAreaDir=function(e){var t=u[e];if(!t)throw"Unknown area: "+e;return t.dir},this.getAreaUp=function(e){var t=u[e];if(!t)throw"Unknown area: "+e;return t.up},this.getImage=function(){return this._textureCanvas},this.destroy=function(){this._textureCanvas&&(this._textureCanvas.parentNode.removeChild(this._textureCanvas),this._textureCanvas=null)}}const hC=d.vec3(),cC=d.vec3();d.mat4();class uC extends z{constructor(e,t={}){super("NavCube",e,t),e.navCube=this;try{this._navCubeScene=new ki(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0}),this._navCubeCanvas=this._navCubeScene.canvas.canvas,this._navCubeScene.input.keyboardEnabled=!1}catch(e){return void this.error(e)}const i=this._navCubeScene;i.clearLights(),new ni(i,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new ni(i,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new ni(i,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._navCubeCamera=i.camera,this._navCubeCamera.ortho.scale=7,this._navCubeCamera.ortho.near=.1,this._navCubeCamera.ortho.far=2e3,i.edgeMaterial.edgeColor=[.2,.2,.2],i.edgeMaterial.edgeAlpha=.6,this._zUp=Boolean(e.camera.zUp);var s=this;this.setIsProjectNorth(t.isProjectNorth),this.setProjectNorthOffsetAngle(t.projectNorthOffsetAngle);const r=function(){const e=d.mat4();return function(t,i,r){return d.identityMat4(e),d.rotationMat4v(t*s._projectNorthOffsetAngle*d.DEGTORAD,[0,1,0],e),d.transformVec3(e,i,r)}}();this._synchCamera=function(){var t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),o=d.vec3(),n=d.vec3();return function(){var a=e.camera.eye,l=e.camera.look,A=e.camera.up;i=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(a,l,i)),5),s._isProjectNorth&&s._projectNorthOffsetAngle&&(i=r(-1,i,hC),A=r(-1,A,cC)),s._zUp?(d.transformVec3(t,i,o),d.transformVec3(t,A,n),s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=d.transformVec3(t,i,o),s._navCubeCamera.up=d.transformPoint3(t,A,n)):(s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=i,s._navCubeCamera.up=A)}}(),this._cubeTextureCanvas=new AC(e,i,t),this._cubeSampler=new wo(i,{image:this._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),this._cubeMesh=new jr(i,{geometry:new vi(i,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new Pi(i,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:this._cubeSampler,emissiveMap:this._cubeSampler}),visible:!0,edges:!0}),this._shadow=!1===t.shadowVisible?null:new jr(i,{geometry:new vi(i,zr({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new Pi(i,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!0,pickable:!1,backfaces:!1}),this._onCameraMatrix=e.camera.on("matrix",this._synchCamera),this._onCameraWorldAxis=e.camera.on("worldAxis",(()=>{e.camera.zUp?(this._zUp=!0,this._cubeTextureCanvas.setZUp(),this._repaint(),this._synchCamera()):e.camera.yUp&&(this._zUp=!1,this._cubeTextureCanvas.setYUp(),this._repaint(),this._synchCamera())})),this._onCameraFOV=e.camera.perspective.on("fov",(e=>{this._synchProjection&&(this._navCubeCamera.perspective.fov=e)})),this._onCameraProjection=e.camera.on("projection",(e=>{this._synchProjection&&(this._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var o=-1;function n(e){var t=[0,0];if(e){for(var i=e.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var a,l,A=null,h=null,c=!1,u=!1,p=.5;s._navCubeCanvas.addEventListener("mouseenter",s._onMouseEnter=function(e){u=!0}),s._navCubeCanvas.addEventListener("mouseleave",s._onMouseLeave=function(e){u=!1}),s._navCubeCanvas.addEventListener("mousedown",s._onMouseDown=function(e){if(1===e.which){A=e.x,h=e.y,a=e.clientX,l=e.clientY;var t=n(e),s=i.pick({canvasPos:t});c=!!s}}),document.addEventListener("mouseup",s._onMouseUp=function(e){if(1===e.which&&(c=!1,null!==A)){var t=n(e),a=i.pick({canvasPos:t,pickSurface:!0});if(a&&a.uv){var l=s._cubeTextureCanvas.getArea(a.uv);if(l>=0&&(document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0)){if(s._cubeTextureCanvas.setAreaHighlighted(l,!0),o=l,s._repaint(),e.x<A-3||e.x>A+3||e.y<h-3||e.y>h+3)return;var u=s._cubeTextureCanvas.getAreaDir(l);if(u){var d=s._cubeTextureCanvas.getAreaUp(l);s._isProjectNorth&&s._projectNorthOffsetAngle&&(u=r(1,u,hC),d=r(1,d,cC)),f(u,d,(function(){o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0&&(s._cubeTextureCanvas.setAreaHighlighted(l,!1),o=-1,s._repaint())}))}}}}}),document.addEventListener("mousemove",s._onMouseMove=function(t){if(o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),1!==t.buttons||c){if(c){var r=t.clientX,A=t.clientY;return document.body.style.cursor="move",void function(t,i){var s=(t-a)*-p,r=(i-l)*-p;e.camera.orbitYaw(s),e.camera.orbitPitch(-r),a=t,l=i}(r,A)}if(u){var h=n(t),d=i.pick({canvasPos:h,pickSurface:!0});if(d){if(d.uv){document.body.style.cursor="pointer";var f=s._cubeTextureCanvas.getArea(d.uv);if(f===o)return;o>=0&&s._cubeTextureCanvas.setAreaHighlighted(o,!1),f>=0&&(s._cubeTextureCanvas.setAreaHighlighted(f,!0),s._repaint(),o=f)}}else document.body.style.cursor="default",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1)}}});var f=function(){var t=d.vec3();return function(i,r,o){var n=s._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,a=d.getAABB3Diag(n);d.getAABB3Center(n,t);var l=Math.abs(a/Math.tan(s._cameraFitFOV*d.DEGTORAD));e.cameraControl.pivotPos=t,s._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV,duration:s._cameraFlyDuration},o):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV},o)}}();this._onUpdated=e.localeService.on("updated",(()=>{this._cubeTextureCanvas.clear(),this._repaint()})),this.setVisible(t.visible),this.setCameraFitFOV(t.cameraFitFOV),this.setCameraFly(t.cameraFly),this.setCameraFlyDuration(t.cameraFlyDuration),this.setFitVisible(t.fitVisible),this.setSynchProjection(t.synchProjection)}send(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}_repaint(){const e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}setVisible(e=!0){this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}getVisible(){return!!this._navCubeCanvas&&this._cubeMesh.visible}setFitVisible(e=!1){this._fitVisible=e}getFitVisible(){return this._fitVisible}setCameraFly(e=!0){this._cameraFly=e}getCameraFly(){return this._cameraFly}setCameraFitFOV(e=45){this._cameraFitFOV=e}getCameraFitFOV(){return this._cameraFitFOV}setCameraFlyDuration(e=.5){this._cameraFlyDuration=e}getCameraFlyDuration(){return this._cameraFlyDuration}setSynchProjection(e=!1){this._synchProjection=e}getSynchProjection(){return this._synchProjection}setIsProjectNorth(e=!1){this._isProjectNorth=e}getIsProjectNorth(){return this._isProjectNorth}setProjectNorthOffsetAngle(e){this._projectNorthOffsetAngle=e}getProjectNorthOffsetAngle(){return this._projectNorthOffsetAngle}destroy(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,super.destroy()}}const dC=d.vec3();class pC{load(e,t,i={}){var s=e.scene.canvas.spinner;s.processes++,fC(e,t,(function(t){!function(e,t,i){for(var s=t.basePath,r=Object.keys(t.materialLibraries),o=r.length,n=0,a=o;n<a;n++)mC(e,s,s+r[n],(function(){0==--o&&i()}))}(e,t,(function(){vC(e,t),s.processes--,I.scheduleTask((function(){e.fire("loaded",!0,!1)}))}))}))}parse(e,t,i,s){if(t){var r=gC(e,t,null);i&&_C(e,i,s),vC(e,r),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}var fC=function(e,t,i){bC(t,(function(s){var r=gC(e,s,t);i(r)}),(function(t){e.error(t)}))},gC=function(){const e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib /,material_use_pattern:/^usemtl /};return function(s,r,o){var n={src:o=o||"",basePath:t(o),objects:[],object:{},positions:[],normals:[],uv:[],materialLibraries:{}};i(n,"",!1),-1!==r.indexOf("\r\n")&&(r=r.replace("\r\n","\n"));for(var a=r.split("\n"),l="",A="",h="",d=[],p="function"==typeof"".trimLeft,f=0,g=a.length;f<g;f++)if(l=a[f],0!==(l=p?l.trimLeft():l.trim()).length&&"#"!==(A=l.charAt(0)))if("v"===A)if(" "===(h=l.charAt(1))&&null!==(d=e.vertex_pattern.exec(l)))n.positions.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else if("n"===h&&null!==(d=e.normal_pattern.exec(l)))n.normals.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else{if("t"!==h||null===(d=e.uv_pattern.exec(l)))return void s.error("Unexpected vertex/normal/uv line: '"+l+"'");n.uv.push(parseFloat(d[1]),parseFloat(d[2]))}else if("f"===A)if(null!==(d=e.face_vertex_uv_normal.exec(l)))c(n,d[1],d[4],d[7],d[10],d[2],d[5],d[8],d[11],d[3],d[6],d[9],d[12]);else if(null!==(d=e.face_vertex_uv.exec(l)))c(n,d[1],d[3],d[5],d[7],d[2],d[4],d[6],d[8]);else if(null!==(d=e.face_vertex_normal.exec(l)))c(n,d[1],d[3],d[5],d[7],void 0,void 0,void 0,void 0,d[2],d[4],d[6],d[8]);else{if(null===(d=e.face_vertex.exec(l)))return void s.error("Unexpected face line: '"+l+"'");c(n,d[1],d[2],d[3],d[4])}else if("l"===A){var m=l.substring(1).trim().split(" "),_=[],v=[];if(-1===l.indexOf("/"))_=m;else for(var b=0,y=m.length;b<y;b++){var B=m[b].split("/");""!==B[0]&&_.push(B[0]),""!==B[1]&&v.push(B[1])}u(n,_,v)}else if(null!==(d=e.object_pattern.exec(l))){i(n,w=d[0].substr(1).trim(),!0)}else if(e.material_use_pattern.test(l)){var w=l.substring(7).trim();n.object.material.id=w}else if(e.material_library_pattern.test(l))n.materialLibraries[l.substring(7).trim()]=!0;else{if(null===(d=e.smoothing_pattern.exec(l))){if("\0"===l)continue;return void s.error("Unexpected line: '"+l+"'")}var P=d[1].trim().toLowerCase();n.object.material.smooth="1"===P||"on"===P}return n};function t(e){var t=e.lastIndexOf("/");return-1===t?e:e.substring(0,t+1)}function i(e,t,i){if(e.object&&!1===e.object.fromDeclaration)return e.object.id=t,void(e.object.fromDeclaration=!1!==i);e.object={id:t||"",geometry:{positions:[],normals:[],uv:[]},material:{id:"",smooth:!0},fromDeclaration:!1!==i},e.objects.push(e.object)}function s(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function r(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function o(e,t){var i=parseInt(e,10);return 2*(i>=0?i-1:i+t/2)}function n(e,t,i,s){var r=e.positions,o=e.object.geometry.positions;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function a(e,t){var i=e.positions,s=e.object.geometry.positions;s.push(i[t+0]),s.push(i[t+1]),s.push(i[t+2])}function l(e,t,i,s){var r=e.normals,o=e.object.geometry.normals;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function A(e,t,i,s){var r=e.uv,o=e.object.geometry.uv;o.push(r[t+0]),o.push(r[t+1]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[s+0]),o.push(r[s+1])}function h(e,t){var i=e.uv,s=e.object.geometry.uv;s.push(i[t+0]),s.push(i[t+1])}function c(e,t,i,a,h,c,u,d,p,f,g,m,_){var v,b=e.positions.length,y=s(t,b),B=s(i,b),w=s(a,b);if(void 0===h?n(e,y,B,w):(n(e,y,B,v=s(h,b)),n(e,B,w,v)),void 0!==c){var P=e.uv.length;y=o(c,P),B=o(u,P),w=o(d,P),void 0===h?A(e,y,B,w):(A(e,y,B,v=o(p,P)),A(e,B,w,v))}if(void 0!==f){var x=e.normals.length;y=r(f,x),B=f===g?y:r(g,x),w=f===m?y:r(m,x),void 0===h?l(e,y,B,w):(l(e,y,B,v=r(_,x)),l(e,B,w,v))}}function u(e,t,i){e.object.geometry.type="Line";for(var r=e.positions.length,n=e.uv.length,l=0,A=t.length;l<A;l++)a(e,s(t[l],r));for(var c=0,u=i.length;c<u;c++)h(e,o(i[c],n))}}();var mC=function(e,t,i,s){bC(i,(function(i){_C(e,i,t),s()}),(function(t){e.error(t),s()}))},_C=function(){var e=/\s+/;return function(e,r,o){var n,a,l,A,h,c=r.split("\n"),u={id:"Default"},d=!1;o=o||"";for(var p=0;p<c.length;p++)if(0!==(n=c[p].trim()).length&&"#"!==n.charAt(0))switch(l=(l=(a=n.indexOf(" "))>=0?n.substring(0,a):n).toLowerCase(),A=(A=a>=0?n.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,u),u={id:A},d=!0;break;case"ka":u.ambient=s(A);break;case"kd":u.diffuse=s(A);break;case"ks":u.specular=s(A);break;case"map_kd":u.diffuseMap||(u.diffuseMap=t(e,o,A,"sRGB"));break;case"map_ks":u.specularMap||(u.specularMap=t(e,o,A,"linear"));break;case"map_bump":case"bump":u.normalMap||(u.normalMap=t(e,o,A));break;case"ns":u.shininess=parseFloat(A);break;case"d":(h=parseFloat(A))<1&&(u.alpha=h,u.alphaMode="blend");break;case"tr":(h=parseFloat(A))>0&&(u.alpha=1-h,u.alphaMode="blend")}d&&i(e,u)};function t(e,t,i,s){var r={},o=i.split(/\s+/),n=o.indexOf("-bm");return n>=0&&o.splice(n,2),(n=o.indexOf("-s"))>=0&&(r.scale=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),(n=o.indexOf("-o"))>=0&&(r.translate=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),r.src=t+o.join(" ").trim(),r.flipY=!0,r.encoding=s||"linear",new wo(e,r).id}function i(e,t){new Pi(e,t)}function s(t){var i=t.split(e,3);return[parseFloat(i[0]),parseFloat(i[1]),parseFloat(i[2])]}}();function vC(e,t){for(var i=0,s=t.objects.length;i<s;i++){var r=t.objects[i],o=r.geometry;if(o.type,0===o.positions.length)continue;var n={primitive:"triangles",compressGeometry:!1};n.positions=o.positions,o.normals.length>0&&(n.normals=o.normals),o.uv.length>0&&(n.uv=o.uv);for(var a=new Array(n.positions.length/3),l=0;l<a.length;l++)a[l]=l;n.indices=a;const s=dC;te(o.positions,o.positions,s);var A,h=new vi(e,n),c=r.material.id;c&&""!==c?(A=e.scene.components[c])||e.error("Material not found: "+c):A=new Pi(e,{diffuse:[.6,.6,.6],backfaces:!0});var u=new jr(e,{id:e.id+"#"+r.id,origin:0!==s[0]||0!==s[1]||0!==s[2]?s:null,isObject:!0,geometry:h,material:A,pickable:!0});e.addChild(u)}}function bC(e,t,i){var s=new XMLHttpRequest;s.open("GET",e,!0),s.addEventListener("load",(function(e){var s=e.target.response;200===this.status?t&&t(s):0===this.status?(console.warn("loadFile: HTTP Status 0 received."),t&&t(s)):i&&i(e)}),!1),s.addEventListener("error",(function(e){i&&i(e)}),!1),s.send(null)}class yC extends z{constructor(e,t){super("OBJLoader",e,t),this._sceneGraphLoader=new pC}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new no(this.viewer.scene,y.apply(e,{isModel:!0}));const i=t.id,s=e.src;if(!s)return this.error("load() param expected: src"),t;if(e.metaModelSrc){const r=e.metaModelSrc;y.loadJSON(r,(r=>{this.viewer.metaScene.createMetaModel(i,r),this._sceneGraphLoader.load(t,s,e)}),(e=>{this.error(`load(): Failed to load model modelMetadata for model '${i} from  '${r}' - ${e}`)}))}else this._sceneGraphLoader.load(t,s,e);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}const BC=new Float64Array([0,0,1]),wC=new Float64Array(4);class PC{constructor(e){this.id=null;const t=e.viewer,i=t.camera,s=t.cameraControl,r=t.scene,o=r.canvas.canvas;this._visible=!1;let n=!1;const a=!1,l=.09,A=.01,h=new no(r,{position:[0,0,0],scale:[5,5,5],isObject:!1}),c=d.vec3(),u=function(){const e=d.vec3(),t=d.vec3();return function(i){c.set(i),ee(i,e,t),h.origin=e,h.position=t}}(),p=(e,t)=>new vi(h,zr({radiusTop:.001,radiusBottom:e,radialSegments:32,heightSegments:1,height:t,openEnded:!1})),f=(e,t,i)=>new vi(h,zr({radiusTop:e,radiusBottom:e,radialSegments:i,heightSegments:1,height:t,openEnded:!1})),g=(e,t,i)=>new vi(h,Lo({radius:.8,tube:e,radialSegments:64,tubeSegments:i,arc:2*Math.PI*t})),m={curve:g(A,.25,14),curveHandle:g(l,.25,14),hoop:g(A,1,8),arrowHead:p(.07,.2),arrowHeadBig:p(.09,.25),arrowHeadHandle:f(l,.37,8),axis:f(A,1,20),axisHandle:f(l,1,20)},_=(e,t)=>new Ci(h,{edges:!1,fill:!0,fillColor:e,fillAlpha:t}),v=new Pi(h,{diffuse:[1,1,0],alpha:0,alphaMode:"blend"}),b={},y=(e,t,i)=>{const s=(e=>new Pi(h,{diffuse:e,emissive:e,ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}))(e),n=d.rotationMat4v(270*d.DEGTORAD,[1,0,0],d.identityMat4()),l=d.quaternionToRotationMat4(d.vec3PairToQuaternion([0,1,0],i),d.identityMat4()),A=d.mulMat4(l,n,d.identityMat4()),p=d.scaleMat4v([.6,.6,.6],d.identityMat4()),f=(e,t)=>{const i=d.translateMat4v(e,d.identityMat4()),s=d.identityMat4();return d.mulMat4(i,t,s),d.mulMat4(A,s,s),d.mulMat4(s,p,d.identityMat4())},g=h.addChild(new jr(h,{geometry:m.curve,material:s,matrix:A,pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),a),y=h.addChild(new jr(h,{geometry:m.curveHandle,material:v,matrix:A,pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),a),B=h.addChild(new jr(h,{geometry:m.arrowHead,material:s,matrix:f([.8,.07,0],d.rotationMat4v(180*d.DEGTORAD,[0,0,1],d.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),C=h.addChild(new jr(h,{geometry:m.arrowHead,material:s,matrix:f([.07,.8,0],d.rotationMat4v(90*d.DEGTORAD,[0,0,1],d.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),M=h.addChild(new jr(h,{geometry:m.hoop,material:s,highlighted:!0,highlightMaterial:_(e,.6),matrix:A,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),E=d.quaternionToRotationMat4(d.vec3PairToQuaternion([0,1,0],t),d.identityMat4()),F=e=>d.mulMat4(E,d.translateMat4c(0,e,0,d.identityMat4()),d.identityMat4()),I=F(1.1),D=F(.5),S=h.addChild(new jr(h,{geometry:m.arrowHead,material:s,matrix:I,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),T=h.addChild(new jr(h,{geometry:m.arrowHeadHandle,material:v,matrix:I,pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),R=h.addChild(new jr(h,{geometry:m.axis,material:s,matrix:D,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),L=h.addChild(new jr(h,{geometry:m.axisHandle,material:v,matrix:D,pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),U=h.addChild(new jr(h,{geometry:m.arrowHeadBig,material:s,matrix:I,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),O=function(){const t=d.vec4(),i=d.vec3(),s=d.vec3();return(n,a)=>{w(e,t);const l=c,A=t;d.canvasPosToWorldRay(o,r.camera.viewMatrix,r.camera.projMatrix,r.camera.projection,n,i,s);const h=d.dotVec3(A,s),u=d.subVec3(i,l,a),p=d.dotVec3(u,A),f=d.dotVec3(u,s),g=1-h*h;if(Math.abs(g)>1e-10){const e=(p-h*f)/g;return d.addVec3(l,d.mulVec3Scalar(A,e,a),a),!0}return!1}}(),k=d.vec3(),N=d.vec3();b[T.id]=b[L.id]={setActivated:e=>U.visible=e,initDragAction:e=>O(e,k)&&d.subVec3(k,c,k)&&(e=>{O(e,N)&&(d.subVec3(N,k,N),u(N),P._sectionPlane&&(P._sectionPlane.pos=N))})};const Q=d.vec2();return b[y.id]={setActivated:e=>M.visible=e,initDragAction:t=>(Q.set(t),t=>{x(e,Q,t),Q.set(t)})},{set visible(e){S.visible=T.visible=R.visible=L.visible=g.visible=y.visible=B.visible=C.visible=e,e||(U.visible=e,M.visible=e)},set culled(e){S.culled=T.culled=R.culled=L.culled=g.culled=y.culled=B.culled=C.culled=e,e||(U.culled=e,M.culled=e)}}};this._displayMeshes=[h.addChild(new jr(h,{geometry:new vi(h,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new Pi(h,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new Ci(h,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),a),h.addChild(new jr(h,{geometry:new vi(h,Lo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new Pi(h,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new Ci(h,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),a),h.addChild(new jr(h,{geometry:new vi(h,Kr({radius:.05})),material:new Pi(h,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),y([1,0,0],[1,0,0],[1,0,0]),y([0,1,0],[0,-1,0],[0,1,0]),y([0,0,1],[0,0,-1],[0,0,-1])];const B=[];{let e=-1;const t=e=>h.scale=[e,e,e],s=r.on("tick",(()=>{const s=Math.abs(d.distVec3(i.eye,c));"perspective"===i.projection?s!==e&&t(.07*s*Math.tan(i.perspective.fov*d.DEGTORAD)):"ortho"===i.projection&&t(i.ortho.scale/10),e=s}));B.push((()=>r.off(s)))}const w=function(){const e=d.mat4();return function(t,i){return d.quaternionToMat4(h.quaternion,e),d.transformVec3(e,t,i),d.normalizeVec3(i),i}}(),P=this;var x=function(){const e=d.vec4(),t=d.vec4(),i=d.vec4(),s=d.vec4(),r=d.vec3(),o=d.mat4(),a=d.vec3();return function(l,A,c){w(l,s);if(!(C(A,s,e)&&C(c,s,t))){((e,t)=>{const i=Math.abs(e[0]);i>Math.abs(e[1])&&i>Math.abs(e[2])?d.cross3Vec3(e,[0,1,0],t):d.cross3Vec3(e,[1,0,0],t),d.cross3Vec3(t,e,t),d.normalizeVec3(t)})(s,a),C(A,a,e,1),C(c,a,t,1);var u=d.dotVec3(e,s);e[0]-=u*s[0],e[1]-=u*s[1],e[2]-=u*s[2],u=d.dotVec3(t,s),t[0]-=u*s[0],t[1]-=u*s[1],t[2]-=u*s[2]}d.normalizeVec3(e),d.normalizeVec3(t),u=d.dotVec3(e,t),u=d.clamp(u,-1,1);var p=Math.acos(u)*d.RADTODEG;d.cross3Vec3(e,t,i),d.dotVec3(i,s)<0&&(p=-p),h.rotate(l,p),P._sectionPlane&&(d.quaternionToMat4(h.quaternion,o),d.transformVec3(o,[0,0,1],r),n=!0,P._sectionPlane.dir=r)}}(),C=function(){const e=d.vec4([0,0,0,1]),t=d.mat4();return function(s,r,n,a){a=a||0,e[0]=s[0]/o.width*2-1,e[1]=-(s[1]/o.height*2-1),e[2]=0,e[3]=1,d.mulMat4(i.projMatrix,i.viewMatrix,t),d.inverseMat4(t),d.transformVec4(t,e,e),d.mulVec4Scalar(e,1/e[3]);var l=i.eye;d.subVec4(e,l,e);const A=P._sectionPlane.pos;var h=-d.dotVec3(A,r)-a,c=d.dotVec3(r,e);if(Math.abs(c)>.005){var u=-(d.dotVec3(r,l)+h)/c;return d.mulVec3Scalar(e,u,n),d.addVec3(n,l),d.subVec3(n,A,n),!0}return!1}}();{let e=null,i=null;B.push((()=>{i&&i.cleanup()}));const r=d.vec2(),n=(e,t)=>{t[0]=e.clientX,t[1]=e.clientY,De(o.ownerDocument.documentElement,o,t)},a=e=>{n(e,r);const i=t.scene.pick({canvasPos:r}),s=i&&i.entity,o=s&&s.id;return o in b&&b[o]},l=(e,t)=>{const o=a(t(e));if(o){i&&i.cleanup();const e=o.initDragAction(r);e&&(s.pointerEnabled=!1,o.setActivated(!0),i={onChange:i=>{const s=t(i);s&&(n(s,r),e(r))},cleanup:function(){i=null,s.pointerEnabled=!0,o.setActivated(!1)}})}},A=(e,t)=>{o.addEventListener(e,t),B.push((()=>o.removeEventListener(e,t)))};A("mousedown",(e=>{e.preventDefault(),1===e.which&&l(e,(e=>1===e.which&&e))})),A("mousemove",(t=>{if(i)i.onChange(t);else{e&&e();const i=a(t);i?(i.setActivated(!0),e=()=>i.setActivated(!1)):e=null}})),A("mouseup",(e=>{i&&(i.onChange(e),i.cleanup())})),A("touchstart",(e=>{if(e.preventDefault(),1===e.touches.length){const t=e.touches[0].identifier;l(e,(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})),A("touchmove",(e=>{e.preventDefault(),i&&i.onChange(e)})),A("touchend",(e=>{e.preventDefault(),i&&(i.onChange(e),i.cleanup())}))}this._unbindSectionPlane=()=>{},this.__setSectionPlane=e=>{this.id=e.id,this._sectionPlane=e;const t=()=>u(e.pos),i=()=>h.quaternion=d.vec3PairToQuaternion(BC,e.dir,wC);t(),i();const s=e.on("pos",t),r=e.on("dir",(()=>{n?n=!1:i()}));this._unbindSectionPlane=()=>{this.id=null,this._sectionPlane=null,e.off(s),e.off(r),this._unbindSectionPlane=()=>{}}},this.__destroy=()=>{B.forEach((e=>e())),this._unbindSectionPlane(),h.destroy(),this._displayMeshes=[];for(let e in b)delete b[e]}}_destroy(){this.__destroy()}_setSectionPlane(e){this._unbindSectionPlane(),e&&this.__setSectionPlane(e)}get sectionPlane(){return this._sectionPlane}setVisible(e=!0){this._visible!==e&&(this._visible=e,this._displayMeshes.forEach((t=>t.visible=e)))}getVisible(){return this._visible}setCulled(e){this._displayMeshes.forEach((t=>t.culled=e))}}class xC{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new jr(t,{id:i.id,geometry:new vi(t,bi({xSize:.5,ySize:.5,zSize:.001})),material:new Pi(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new Ei(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new Ci(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new Ci(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=d.vec3([0,0,0]),t=d.vec3(),i=d.vec3([0,0,1]),s=d.vec4(4),r=d.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];d.subVec3(o,this._sectionPlane.pos,e);const a=-d.dotVec3(n,e);d.normalizeVec3(n),d.mulVec3Scalar(n,a,t);const l=d.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class CC{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new ki(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new ni(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new ni(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new ni(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),s=d.vec3(),r=d.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;d.mulVec3Scalar(d.normalizeVec3(d.subVec3(o,n,i)),7),this._zUp?(d.transformVec3(t,i,s),d.transformVec3(t,a,r),e.look=[0,0,0],e.eye=d.transformVec3(t,i,s),e.up=d.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new xC(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const MC=d.AABB3(),EC=d.vec3();class FC extends z{constructor(e,t={}){if(super("SectionPlanes",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new CC(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;MC.set(this.viewer.scene.aabb),d.getAABB3Center(MC,EC),MC[0]+=t[0]-EC[0],MC[1]+=t[1]-EC[1],MC[2]+=t[2]-EC[2],MC[3]+=t[0]-EC[0],MC[4]+=t[1]-EC[1],MC[5]+=t[2]-EC[2],this.viewer.cameraFlight.flyTo({aabb:MC,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Yr(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new PC(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(var t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}class IC{constructor(e,t,i,s,r,o){this.plugin=e,this.storeyId=r,this.modelId=s,this.storeyAABB=i.slice(),this.aabb=this.storeyAABB,this.modelAABB=t.slice(),this.numObjects=o}}class DC{constructor(e,t,i,s,r,o){this.storeyId=e,this.imageData=t,this.format=i,this.width=s,this.height=r}}const SC=d.vec3(),TC=d.mat4();class RC extends z{constructor(e,t={}){super("StoreyViews",e),this._objectsMemento=new cd,this._cameraMemento=new ad,this.storeys={},this._storeysList=null,this.modelStoreys={},this._fitStoreyMaps=!!t.fitStoreyMaps,this._onModelLoaded=this.viewer.scene.on("modelLoaded",(e=>{this._registerModelStoreys(e),this.fire("storeys",this.storeys)}))}_registerModelStoreys(e){const t=this.viewer,i=t.scene,s=t.metaScene,r=s.metaModels[e],o=i.models[e];if(!r||!r.rootMetaObjects)return;const n=r.rootMetaObjects;for(let t=0,r=n.length;t<r;t++){const r=n[t].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]);for(let t=0,n=r.length;t<n;t++){const n=r[t],a=s.metaObjects[n].getObjectIDsInSubtree(),l=i.getAABB(a),A=Math.random()>.5?a.length:0,h=new IC(this,o.aabb,l,e,n,A);h._onModelDestroyed=o.once("destroyed",(()=>{this._deregisterModelStoreys(e),this.fire("storeys",this.storeys)})),this.storeys[n]=h,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][n]=h}}this._clipBoundingBoxes()}_clipBoundingBoxes(){const e=this.storeysList,t=this.viewer.metaScene,i=this.viewer.camera.worldUp,s=i[0]>i[1]&&i[0]>i[2],r=!s&&i[1]>i[0]&&i[1]>i[2];let o;!s&&!r&&i[2]>i[0]&&(i[2],i[1]),o=s?0:r?1:2;for(let i=0,s=e.length;i<s;i++){const s=t.metaObjects[e[i].storeyId].attributes.elevation;if(isNaN(s))return;const r=e[i].storeyAABB;if(r[o]=Math.max(r[1],parseFloat(s)),i>0){const s=t.metaObjects[e[i-1].storeyId].attributes.elevation;r[4]=Math.min(r[o+3],parseFloat(s))}this.storeys[e[i].storeyId].storeyAABB=r}}_deregisterModelStoreys(e){const t=this.modelStoreys[e];if(t){const i=this.viewer.scene;for(let e in t)if(t.hasOwnProperty(e)){const s=t[e],r=i.models[s.modelId];r&&r.off(s._onModelDestroyed),delete this.storeys[e],this._storeysList=null}delete this.modelStoreys[e]}}get fitStoreyMaps(){return this._fitStoreyMaps}gotoStoreyCamera(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());const s=this.viewer,r=s.scene.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return void(t.done&&t.done());if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return void(t.done&&t.done());const n=d.getAABB3Center(o),a=d.getAABB3Diag(o),l=Math.abs(a/Math.tan(45*d.DEGTORAD)),A=1.3*a,h=SC;h[0]=n[0]+r.worldUp[0]*l,h[1]=n[1]+r.worldUp[1]*l,h[2]=n[2]+r.worldUp[2]*l;const c=r.worldForward;t.done?s.cameraFlight.flyTo(y.apply(t,{eye:h,look:n,up:c,orthoScale:A}),(()=>{t.done()})):(s.cameraFlight.jumpTo(y.apply(t,{eye:h,look:n,up:c,orthoScale:A})),s.camera.ortho.scale=A)}showStoreyObjects(e,t={}){if(!this.storeys[e])return void this.error("IfcBuildingStorey not found with this ID: "+e);const i=this.viewer,s=i.scene;i.metaScene.metaObjects[e]&&(t.hideOthers&&s.setObjectsVisible(i.scene.visibleObjectIds,!1),this.withStoreyObjects(e,((e,t)=>{e&&(e.visible=!0)})))}withStoreyObjects(e,t){const i=this.viewer,s=i.scene,r=i.metaScene,o=r.metaObjects[e];if(!o)return;const n=o.getObjectIDsInSubtree();for(var a=0,l=n.length;a<l;a++){const e=n[a],i=r.metaObjects[e],o=s.objects[e];o&&t(o,i)}}createStoreyMap(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==";const s=this.viewer,r=s.scene,o=t.format||"png",n=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,a=Math.abs((n[5]-n[2])/(n[3]-n[0])),l=t.padding||0,A=!!t.captureSectionPlanes;let h,c;t.width&&t.height?(h=t.width,c=t.height):t.height?(c=t.height,h=Math.round(c/a)):t.width?(h=t.width,c=Math.round(h*a)):(h=300,c=Math.round(h*a));const u={visible:!0};this._objectsMemento.saveObjects(r,u),this._cameraMemento.saveCamera(r),this.showStoreyObjects(e,y.apply(t,{hideOthers:!0})),A&&this._toggleSectionPlanes(!1),this._arrangeStoreyMapCamera(i);const d=s.getSnapshot({width:h,height:c,format:o});return this._objectsMemento.restoreObjects(r,u),this._cameraMemento.restoreCamera(r),A&&this._toggleSectionPlanes(!0),new DC(e,d,o,h,c,l)}_toggleSectionPlanes(e){const t=this.viewer.scene.sectionPlanes;for(const i in t)t[i].active=e}_arrangeStoreyMapCamera(e){const t=this.viewer,i=t.scene.camera,s=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,r=d.getAABB3Center(s),o=SC;o[0]=r[0]+.5*i.worldUp[0],o[1]=r[1]+.5*i.worldUp[1],o[2]=r[2]+.5*i.worldUp[2];const n=i.worldForward;t.cameraFlight.jumpTo({eye:o,look:r,up:n});const a=(s[3]-s[0])/2,l=(s[4]-s[1])/2,A=(s[5]-s[2])/2,h=-a,c=+a,u=-l,p=+l,f=-A,g=+A;t.camera.customProjection.matrix=d.orthoMat4c(h,c,f,g,u,p,TC),t.camera.projection="customProjection"}pickStoreyMap(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],c=a[3]-l,u=a[4]-A,p=a[5]-h,f=d.vec3([l+c*o,A+.5*u,h+p*n]),g=d.vec3([0,-1,0]),m=d.addVec3(f,g,SC),_=this.viewer.camera.worldForward,v=d.lookAtMat4v(f,m,_,TC);return this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:v})}storeyMapToWorldPos(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],c=a[3]-l,u=a[4]-A,p=a[5]-h;return d.vec3([l+c*o,A+.5*u,h+p*n])}getStoreyContainingWorldPos(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t];if(d.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return t}return null}getStoreyInVerticalRange(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t],r=[0,0,0,0,0,0],o=[0,0,0];if(r[1]=s.storeyAABB[1],r[4]=s.storeyAABB[4],o[1]=e[1],d.point3AABB3AbsoluteIntersect(r,o))return t}return null}isPositionAboveOrBelowBuilding(e,t=null){const i=t?this._filterStoreys(t):this.storeys,s=Object.keys(i);if(s.length<=0)return null;const r=[s[0],s[s.length-1]];return e[1]<i[r[0]].storeyAABB[1]?r[0]:e[1]>i[r[1]].storeyAABB[4]?r[1]:null}worldPosToStoreyMap(e,t,i){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),!1;const o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,n=o[0],a=o[1],l=o[2],A=o[3]-n,h=o[4]-a,c=o[5]-l,u=this.viewer.camera.worldUp,d=u[0]>u[1]&&u[0]>u[2],p=!d&&u[1]>u[0]&&u[1]>u[2];!d&&!p&&u[2]>u[0]&&(u[2],u[1]);const f=e.width/A,g=p?e.height/c:e.height/h;return i[0]=Math.floor(e.width-(t[0]-n)*f),i[1]=Math.floor(e.height-(t[2]-l)*g),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}worldDirToStoreyMap(e,t,i){const s=this.viewer.camera,r=s.eye,o=s.look,n=d.subVec3(o,r,SC),a=s.worldUp,l=a[0]>a[1]&&a[0]>a[2],A=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!A&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=n[1],i[1]=n[2]):A?(i[0]=n[0],i[1]=n[2]):(i[0]=n[0],i[1]=n[1]),d.normalizeVec2(i)}destroy(){this.viewer.scene.off(this._onModelLoaded),super.destroy()}get storeysList(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{let s=0;s=e.xUp?0:e.yUp?1:2;const r=this.viewer.metaScene,o=r.metaObjects[t.storeyId],n=r.metaObjects[i.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&n&&n.attributes&&void 0!==n.attributes.elevation){const e=Number.parseFloat(o.attributes.elevation),t=Number.parseFloat(n.attributes.elevation);return e>t?-1:e<t?1:0}return t.aabb[s]>i.aabb[s]?-1:t.aabb[s]<i.aabb[s]?1:0})}_filterStoreys(e){return Object.fromEntries(Object.entries(this.storeys).filter((([t,i])=>i.modelId===e)))}}const LC=new Float64Array([0,0,1]),UC=new Float64Array(4);class OC{constructor(e){this.id=null,this._viewer=e.viewer,this._plugin=e,this._visible=!1,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._baseDir=d.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}_setSectionPlane(e){this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(()=>{this._setPos(this._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(()=>{this._ignoreNextSectionPlaneDirUpdate?this._ignoreNextSectionPlaneDirUpdate=!1:this._setDir(this._sectionPlane.dir)})))}get sectionPlane(){return this._sectionPlane}_setPos(e){this._pos.set(e),ee(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}_setDir(e){this._baseDir.set(e),this._rootNode.quaternion=d.vec3PairToQuaternion(LC,e,UC)}_setSectionPlaneDir(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}setVisible(e=!0){if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}getVisible(){return this._visible}setCulled(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}_createNodes(){const e=!1,t=this._viewer.scene,i=.01;this._rootNode=new no(t,{position:[0,0,0],scale:[5,5,5]});const s=this._rootNode,r={arrowHead:new vi(s,zr({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new vi(s,zr({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new vi(s,zr({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},o={red:new Pi(s,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new Pi(s,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new Pi(s,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new Ci(s,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:s.addChild(new jr(s,{geometry:new vi(s,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new Pi(s,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:s.addChild(new jr(s,{geometry:new vi(s,Lo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new Pi(s,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:s.addChild(new jr(s,{geometry:new vi(s,Kr({radius:.05})),material:o.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:s.addChild(new jr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:s.addChild(new jr(s,{geometry:r.axis,material:o.blue,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:s.addChild(new jr(s,{geometry:new vi(s,Lo({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new Pi(s,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new Ci(s,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:s.addChild(new jr(s,{geometry:r.arrowHeadBig,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}_bindEvents(){const e=this._rootNode,t=d.vec2(),i=this._viewer.camera,s=this._viewer.scene;let r=0,o=!1;{const t=d.vec3([0,0,0]);let n=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(()=>{})),this._onCameraProjMatrix=s.camera.on("projMatrix",(()=>{})),this._onSceneTick=s.on("tick",(()=>{o=!1;const l=Math.abs(d.lenVec3(d.subVec3(s.camera.eye,this._pos,t)));if(l!==n&&"perspective"===i.projection){const t=.07*(Math.tan(i.perspective.fov*d.DEGTORAD)*l);e.scale=[t,t,t],n=l}if("ortho"===i.projection){const t=i.ortho.scale/10;e.scale=[t,t,t],n=l}0!==r&&(a(r),r=0)}))}const n=function(){const e=new Float64Array(2);return function(t){if(t){for(var i=t.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-s,e[1]=t.pageY-r}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),a=e=>{const t=this._sectionPlane.pos,i=this._sectionPlane.dir;d.addVec3(t,d.mulVec3Scalar(i,.1*e*this._plugin.getDragSensitivity(),d.vec3())),this._sectionPlane.pos=t};{let e=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=i=>{if(i.preventDefault(),this._visible&&(this._viewer.cameraControl.pointerEnabled=!1,1===i.which)){e=!0;var s=n(i);t[0]=s[0],t[1]=s[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=i=>{if(!this._visible)return;if(!e)return;if(o)return;var s=n(i);const r=s[0],l=s[1];a(l-t[1]),t[0]=r,t[1]=l}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=t=>{this._visible&&(this._viewer.cameraControl.pointerEnabled=!0,e&&(t.which,e=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=e=>{this._visible&&(r+=Math.max(-1,Math.min(1,40*-e.deltaY)))})}{let e,t,i=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=t=>{t.stopPropagation(),t.preventDefault(),this._visible&&(e=t.touches[0].clientY,i=e,r=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=e=>{e.stopPropagation(),e.preventDefault(),this._visible&&(o||(o=!0,t=e.touches[0].clientY,null!==i&&(r+=t-i),i=t))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=i=>{i.stopPropagation(),i.preventDefault(),this._visible&&(e=null,t=null,r=0)})}}_destroy(){this._unbindEvents(),this._destroyNodes()}_unbindEvents(){const e=this._viewer,t=e.scene,i=t.canvas.canvas,s=e.camera,r=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),r.removeEventListener("touchstart",this._handleTouchStart),r.removeEventListener("touchmove",this._handleTouchMove),r.removeEventListener("touchend",this._handleTouchEnd),s.off(this._onCameraViewMatrix),s.off(this._onCameraProjMatrix)}_destroyNodes(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}class kC{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new jr(t,{id:i.id,geometry:new vi(t,bi({xSize:.5,ySize:.5,zSize:.001})),material:new Pi(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new Ei(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new Ci(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new Ci(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=d.vec3([0,0,0]),t=d.vec3(),i=d.vec3([0,0,1]),s=d.vec4(4),r=d.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];d.subVec3(o,this._sectionPlane.pos,e);const a=-d.dotVec3(n,e);d.normalizeVec3(n),d.mulVec3Scalar(n,a,t);const l=d.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class NC{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new ki(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new ni(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new ni(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new ni(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),s=d.vec3(),r=d.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;d.mulVec3Scalar(d.normalizeVec3(d.subVec3(o,n,i)),7),this._zUp?(d.transformVec3(t,i,s),d.transformVec3(t,a,r),e.look=[0,0,0],e.eye=d.transformVec3(t,i,s),e.up=d.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new kC(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const QC=d.AABB3(),VC=d.vec3();class HC extends z{constructor(e,t={}){if(super("FaceAlignedSectionPlanesPlugin",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,this._dragSensitivity=t.dragSensitivity||1,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new NC(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;QC.set(this.viewer.scene.aabb),d.getAABB3Center(QC,VC),QC[0]+=t[0]-VC[0],QC[1]+=t[1]-VC[1],QC[2]+=t[2]-VC[2],QC[3]+=t[0]-VC[0],QC[4]+=t[1]-VC[1],QC[5]+=t[2]-VC[2],this.viewer.cameraFlight.flyTo({aabb:QC,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}null===t.controlElementId||void 0===t.controlElementId?this.error("Parameter expected: controlElementId"):(this._controlElement=document.getElementById(t.controlElementId),this._controlElement||this.warn("Can't find control element: '"+t.controlElementId+"' - will create plugin without control element")),this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setDragSensitivity(e){this._dragSensitivity=e||1}getDragSensitivity(){return this._dragSensitivity}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Yr(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new OC(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(let e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){let t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){let e=this._freeControls.pop();for(;e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}class jC extends z{constructor(e){super("skyboxes",e),this.skyboxes={}}send(e,t){if("clear"===e)this.clear()}createSkybox(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new gd(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}destroySkybox(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}clear(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}destroy(){this.clear(),super.clear()}}class GC{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getSTL(e,t,i){e=this._cacheBusterURL(e);const s=new XMLHttpRequest;s.overrideMimeType("application/json"),s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i(s.statusText))},s.send(null)}}const zC=d.vec3();class KC{load(e,t,i,s,r,o){s=s||{};const n=e.viewer.scene.canvas.spinner;n.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,s){try{const r=qC(i);WC(r)?XC(e,r,t,s):JC(e,ZC(i),t,s)}catch(e){t.fire("error",e)}}(e,t,i,s);try{const o=qC(i);WC(o)?XC(e,o,t,s):JC(e,ZC(i),t,s),n.processes--,I.scheduleTask((function(){t.fire("loaded",!0,!1)})),r&&r()}catch(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}}),(function(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}))}parse(e,t,i,s){const r=e.viewer.scene.canvas.spinner;r.processes++;try{const o=qC(i);WC(o)?XC(e,o,t,s):JC(e,ZC(i),t,s),r.processes--,I.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){r.processes--,t.fire("error",e)}}}function WC(e){const t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;const i=[115,111,108,105,100];for(var s=0;s<5;s++)if(i[s]!==t.getUint8(s,!1))return!0;return!1}function XC(e,t,i,s){const r=new DataView(t),o=r.getUint32(80,!0);let n,a,l,A,h,c,u,d=!1,p=null,f=null,g=null,m=!1;for(let e=0;e<70;e++)1129270351===r.getUint32(e,!1)&&82===r.getUint8(e+4)&&61===r.getUint8(e+5)&&(d=!0,A=[],h=r.getUint8(e+6)/255,c=r.getUint8(e+7)/255,u=r.getUint8(e+8)/255,r.getUint8(e+9));const _=new ho(i,{roughness:.5});let v=[],b=[],y=s.splitMeshes;for(let e=0;e<o;e++){let t=84+50*e,o=r.getFloat32(t,!0),B=r.getFloat32(t+4,!0),w=r.getFloat32(t+8,!0);if(d){let e=r.getUint16(t+48,!0);0==(32768&e)?(n=(31&e)/31,a=(e>>5&31)/31,l=(e>>10&31)/31):(n=h,a=c,l=u),(y&&n!==p||a!==f||l!==g)&&(null!==p&&(m=!0),p=n,f=a,g=l)}for(let e=1;e<=3;e++){let i=t+12*e;v.push(r.getFloat32(i,!0)),v.push(r.getFloat32(i+4,!0)),v.push(r.getFloat32(i+8,!0)),b.push(o,B,w),d&&A.push(n,a,l,1)}y&&m&&(YC(i,v,b,A,_,s),v=[],b=[],A=A?[]:null,m=!1)}v.length>0&&YC(i,v,b,A,_,s)}function JC(e,t,i,s){const r=/facet([\s\S]*?)endfacet/g;let o=0;const n=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,a=new RegExp("vertex"+n+n+n,"g"),l=new RegExp("normal"+n+n+n,"g"),A=[],h=[];let c,u,d,p,f,g,m;for(;null!==(p=r.exec(t));){for(f=0,g=0,m=p[0];null!==(p=l.exec(m));)c=parseFloat(p[1]),u=parseFloat(p[2]),d=parseFloat(p[3]),g++;for(;null!==(p=a.exec(m));)A.push(parseFloat(p[1]),parseFloat(p[2]),parseFloat(p[3])),h.push(c,u,d),f++;1!==g&&e.error("Error in normal of face "+o),3!==f&&e.error("Error in positions of face "+o),o++}YC(i,A,h,null,new ho(i,{roughness:.5}),s)}function YC(e,t,i,s,r,o){const n=new Int32Array(t.length/3);for(let e=0,t=n.length;e<t;e++)n[e]=e;i=i&&i.length>0?i:null,s=s&&s.length>0?s:null,o.smoothNormals&&d.faceToVertexNormals(t,i,o);const a=zC;te(t,t,a);const l=new vi(e,{primitive:"triangles",positions:t,normals:i,colors:s,indices:n}),A=new jr(e,{origin:0!==a[0]||0!==a[1]||0!==a[2]?a:null,geometry:l,material:r,edges:o.edges});e.addChild(A)}function ZC(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let i=0,s=e.length;i<s;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function qC(e){if("string"==typeof e){const t=new Uint8Array(e.length);for(let i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}class $C extends z{constructor(e,t={}){super("STLLoader",e,t),this._sceneGraphLoader=new KC,this.dataSource=t.dataSource}set dataSource(e){this._dataSource=e||new GC}get dataSource(){return this._dataSource}load(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new no(this.viewer.scene,y.apply(e,{isModel:!0})),i=e.src,s=e.stl;return i||s?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,s,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}}class eM{createRootNode(){return document.createElement("ul")}createNodeElement(e,t,i,s,r){const o=document.createElement("li");if(o.id=e.nodeId,e.xrayed&&o.classList.add("xrayed-node"),e.children.length>0){const i=document.createElement("a");i.href="#",i.id=`switch-${e.nodeId}`,i.textContent="+",i.classList.add("plus"),t&&i.addEventListener("click",t),o.appendChild(i)}const n=document.createElement("input");n.id=`checkbox-${e.nodeId}`,n.type="checkbox",n.checked=e.checked,n.style["pointer-events"]="all",i&&n.addEventListener("change",i),o.appendChild(n);const a=document.createElement("span");return a.textContent=e.title,o.appendChild(a),s&&W(a,s),r&&(a.onclick=r),o}createDisabledNodeElement(e){const t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);const s=document.createElement("span");return s.textContent=e,t.appendChild(s),t}addChildren(e,t){const i=document.createElement("ul");t.forEach((e=>{i.appendChild(e)})),e.parentElement.appendChild(i)}expand(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}collapse(e,t,i){if(!e)return;const s=e.parentElement;if(!s)return;const r=s.querySelector("ul");r&&(s.removeChild(r),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}isExpanded(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}getId(e){return e.parentElement.id}getIdFromCheckbox(e){return e.id.replace("checkbox-","")}getSwitchElement(e){return document.getElementById(`switch-${e}`)}isChecked(e){return e.checked}setCheckbox(e,t,i=!1){const s=document.getElementById(`checkbox-${e}`);s&&(t!==s.checked&&(s.checked=t),i!==s.indeterminate&&(s.indeterminate=i,i&&(s.checked=!1)))}setXRayed(e,t){const i=document.getElementById(e);i&&(t?i.classList.add("xrayed-node"):i.classList.remove("xrayed-node"))}setHighlighted(e,t){const i=document.getElementById(e);i&&(t?(i.scrollIntoView({block:"center"}),i.classList.add("highlighted-node")):i.classList.remove("highlighted-node"))}}const tM=[];class iM extends z{constructor(e,t={}){super("TreeViewPlugin",e),this.errors=[],this.valid=!0;const i=t.containerElement||document.getElementById(t.containerElementId);if(i instanceof HTMLElement){for(let e=0;;e++)if(!tM[e]){tM[e]=this,this._index=e,this._id=`tree-${e}`;break}if(this._containerElement=i,this._metaModels={},this._autoAddModels=!1!==t.autoAddModels,this._autoExpandDepth=t.autoExpandDepth||0,this._sortNodes=!1!==t.sortNodes,this._viewer=e,this._rootElement=null,this._muteSceneEvents=!1,this._muteTreeEvents=!1,this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._rootNames={},this._sortNodes=t.sortNodes,this._pruneEmptyNodes=t.pruneEmptyNodes,this._showListItemElementId=null,this._renderService=t.renderService||new eM,this._showIndeterminate=t.showIndeterminate??!1,this._showProjectNode=t.showProjectNode??!1,!this._renderService)throw new Error("TreeViewPlugin: no render service set");if(this._containerElement.oncontextmenu=e=>{e.preventDefault()},this._onObjectVisibility=this._viewer.scene.on("objectVisibility",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;const s=e.visible;if(!(s!==i.checked))return;this._muteTreeEvents=!0,i.checked=s,s?i.numVisibleEntities++:i.numVisibleEntities--,this._renderService.setCheckbox(i.nodeId,s);let r=i.parent;for(;r;){r.checked=s,s?r.numVisibleEntities++:r.numVisibleEntities--;const e=this._showIndeterminate&&r.numVisibleEntities>0&&r.numVisibleEntities<r.numEntities;this._renderService.setCheckbox(r.nodeId,r.numVisibleEntities>0,e),r=r.parent}this._muteTreeEvents=!1})),this._onObjectXrayed=this._viewer.scene.on("objectXRayed",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;this._muteTreeEvents=!0;const s=e.xrayed;s!==i.xrayed&&(i.xrayed=s,this._renderService.setXRayed(i.nodeId,s),this._muteTreeEvents=!1)})),this._switchExpandHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._expandSwitchElement(t)},this._switchCollapseHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._collapseSwitchElement(t)},this._checkboxChangeHandler=e=>{if(this._muteTreeEvents)return;this._muteSceneEvents=!0;const t=e.target,i=this._renderService.isChecked(t),s=this._renderService.getIdFromCheckbox(t),r=this._nodeNodes[s],o=this._viewer.scene.objects;let n=0;this._withNodeTree(r,(e=>{const t=e.objectId,s=o[t],r=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,r&&i!==e.checked&&n++,e.checked=i,this._renderService.setCheckbox(e.nodeId,i),s&&(s.visible=i)}));let a=r.parent;for(;a;){a.checked=i,i?a.numVisibleEntities+=n:a.numVisibleEntities-=n;const e=this._showIndeterminate&&a.numVisibleEntities>0&&a.numVisibleEntities<a.numEntities;this._renderService.setCheckbox(a.nodeId,a.numVisibleEntities>0,e),a=a.parent}this._muteSceneEvents=!1},this._hierarchy=t.hierarchy||"containment",this._autoExpandDepth=t.autoExpandDepth||0,this._autoAddModels){const e=Object.keys(this.viewer.metaScene.metaModels);for(let t=0,i=e.length;t<i;t++){const i=e[t];this.viewer.metaScene.metaModels[i].finalized&&this.addModel(i)}this.viewer.scene.on("modelLoaded",(e=>{this.viewer.metaScene.metaModels[e]&&this.addModel(e)}))}this.hierarchy=t.hierarchy}else this.error("Mandatory config expected: valid containerElementId or containerElement")}set hierarchy(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}get hierarchy(){return this._hierarchy}addModel(e,t={}){if(!this._containerElement)return;const i=this.viewer.scene.models[e];if(!i)throw"Model not found: "+e;const s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,t&&t.rootName&&(this._rootNames[e]=t.rootName),i.on("destroyed",(()=>{this.removeModel(i.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}removeModel(e){if(!this._containerElement)return;this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes())}showNode(e){this.unShowNode();const t=this._objectNodes[e];if(!t)return;this.collapse();const i=t.nodeId,s=this._renderService.getSwitchElement(i);if(s)return this._expandSwitchElement(s),s.scrollIntoView(),!0;const r=[];r.unshift(t);let o=t.parent;for(;o;)r.unshift(o),o=o.parent;for(let e=0,t=r.length;e<t;e++){const t=this._renderService.getSwitchElement(r[e].nodeId);t&&this._expandSwitchElement(t)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}unShowNode(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}expandToDepth(e){this.collapse();const t=(i,s)=>{if(s===e)return;const r=this._renderService.getSwitchElement(i.nodeId);if(r){this._expandSwitchElement(r);const e=i.children;for(var o=0,n=e.length;o<n;o++){const i=e[o];t(i,s+1)}}};for(let e=0,i=this._rootNodes.length;e<i;e++){const i=this._rootNodes[e];t(i,0)}}collapse(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e].nodeId;this._collapseNode(t)}}withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this.withNodeTree(i[e],t)}destroy(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete tM[this._index],super.destroy())}_createNodes(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}_validate(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}_validateMetaModelForStoreysHierarchy(e=0,t,i){return!0}_createEnabledNodes(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}_createDisabledNodes(){const e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);const t=this._viewer.metaScene.rootMetaObjects;for(let i in t){const s=t[i],r=s.type,o=s.name,n=o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,a=this._renderService.createDisabledNodeElement(n);e.appendChild(a)}}_findEmptyNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._findEmptyNodes2(e[t])}_findEmptyNodes2(e,t=0){const i=this.viewer.scene,s=e.children,r=e.id,o=i.objects[r];if(e._countEntities=0,o&&e._countEntities++,s)for(let t=0,i=s.length;t<i;t++){const i=s[t];i._countEntities=this._findEmptyNodes2(i),e._countEntities+=i._countEntities}return e._countEntities}_createStoreysNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createStoreysNodes2(e[t],null,null,null,null)}_createStoreysNodes2(e,t,i,s,r){if(this._pruneEmptyNodes&&0===e._countEntities)return;const o=e.type,n=e.name,a=e.children,l=e.id;if(this._showProjectNode&&"IfcProject"===o)t={nodeId:`${this._id}-${l}`,objectId:l,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o),type:o,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuilding"===o)i={nodeId:`${this._id}-${l}`,objectId:l,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o),type:o,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t?t.children.push(i):this._rootNodes.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i;else if("IfcBuildingStorey"===o){if(!i)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");s={nodeId:`${this._id}-${l}`,objectId:l,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o,type:o,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(s),this._objectNodes[s.objectId]=s,this._nodeNodes[s.nodeId]=s,r={}}else if(s){if(this._viewer.scene.objects[l]){let e=(r=r||{})[o];e||(e={nodeId:`${this._id}-${s.objectId}-${o}`,objectId:`${s.objectId}-${o}`,title:o,type:o,parent:s,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},s.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,r[o]=e);const t={nodeId:`${this._id}-${l}`,objectId:l,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o,type:o,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t}}if(a)for(let e=0,o=a.length;e<o;e++){const o=a[e];this._createStoreysNodes2(o,t,i,s,r)}}_createTypesNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createTypesNodes2(e[t],null,null)}_createTypesNodes2(e,t,i){if(this._pruneEmptyNodes&&0===e._countEntities)return;const s=e.type,r=e.name,o=e.children,n=e.id;if(e.parent){if(t){if(this._viewer.scene.objects[n]){let e=i[s];e||(e={nodeId:`${this._id}-${t.objectId}-${s}`,objectId:`${t.objectId}-${s}`,title:s,type:s,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,i[s]=e);const o={nodeId:`${this._id}-${n}`,objectId:n,title:r&&""!==r&&"Default"!==r?r:s,type:s,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o}}}else t={nodeId:`${this._id}-${n}`,objectId:n,title:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||(r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:s),type:s,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(o)for(let e=0,s=o.length;e<s;e++){const s=o[e];this._createTypesNodes2(s,t,i)}}_createContainmentNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createContainmentNodes2(e[t],null)}_createContainmentNodes2(e,t){if(this._pruneEmptyNodes&&0===e._countEntities)return;const i=e.type,s=e.name||i,r=e.children,o=e.id,n={nodeId:`${this._id}-${o}`,objectId:o,title:t?s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:i:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||s,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(n):this._rootNodes.push(n),this._objectNodes[n.objectId]=n,this._nodeNodes[n.nodeId]=n,r)for(let e=0,t=r.length;e<t;e++){const t=r[e];this._createContainmentNodes2(t,n)}}_doSortNodes(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e];this._sortChildren(t)}}_sortChildren(e){const t=e.children;if(!t||0===t.length)return;const i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?t.sort(this._alphaSortFunc):t.sort(this._getSpatialSortFunc());for(let e=0,i=t.length;e<i;e++){const i=t[e];this._sortChildren(i)}}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{e.xUp||e.yUp;const s=this.viewer.metaScene,r=s.metaObjects[t.objectId],o=s.metaObjects[i.objectId];if(r&&r.attributes&&void 0!==r.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){const e=Number.parseFloat(r.attributes.elevation),t=Number.parseFloat(o.attributes.elevation);return e>t?-1:e<t?1:0}return 0})}_alphaSortFunc(e,t){const i=e.title.toUpperCase(),s=t.title.toUpperCase();return i<s?-1:i>s?1:0}_synchNodesToEntities(){const e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects;for(let s=0,r=e.length;s<r;s++){const r=e[s];if(t[r]){const e=this._objectNodes[r];if(e){const t=i[r];if(t){const i=t.visible;e.numEntities=1,e.xrayed=t.xrayed,i?(e.numVisibleEntities=1,e.checked=!0):(e.numVisibleEntities=0,e.checked=!1);let s=e.parent;for(;s;)s.numEntities++,i&&(s.numVisibleEntities++,s.checked=!0),s=s.parent}}}}}_withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this._withNodeTree(i[e],t)}_createTrees(){if(0===this._rootNodes.length)return;const e=this._rootNodes.map((e=>this._createNodeElement(e))),t=this._renderService.createRootNode();e.forEach((e=>{t.appendChild(e)})),this._containerElement.appendChild(t),this._rootElement=t}_createNodeElement(e){return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(t=>{this.fire("contextmenu",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}),(t=>{this.fire("nodeTitleClicked",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}))}_expandSwitchElement(e){if(this._renderService.isExpanded(e))return;const t=this._renderService.getId(e),i=this._nodeNodes[t].children.map((e=>this._createNodeElement(e)));this._renderService.addChildren(e,i),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}_collapseNode(e){const t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}_collapseSwitchElement(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}}class sM{constructor(e){this._scene=e,this._objects=[],this._objectsViewCulled=[],this._objectsDetailCulled=[],this._objectsChanged=[],this._objectsChangedList=[],this._modelInfos={},this._numObjects=0,this._lenObjectsChangedList=0,this._dirty=!0,this._onModelLoaded=e.on("modelLoaded",(t=>{const i=e.models[t];i&&this._addModel(i)})),this._onTick=e.on("tick",(()=>{this._dirty&&this._build(),this._applyChanges()}))}_addModel(e){const t={model:e,onDestroyed:e.on("destroyed",(()=>{this._removeModel(e)}))};this._modelInfos[e.id]=t,this._dirty=!0}_removeModel(e){const t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._dirty=!0)}_build(){if(!this._dirty)return;this._applyChanges();const e=this._scene.objects;for(let e=0;e<this._numObjects;e++)this._objects[e]=null;this._numObjects=0;for(let t in e){const i=e[t];this._objects[this._numObjects++]=i}this._lenObjectsChangedList=0,this._dirty=!1}_applyChanges(){if(this._lenObjectsChangedList>0){for(let e=0;e<this._lenObjectsChangedList;e++){const t=this._objectsChangedList[e],i=this._objects[t],s=this._objectsViewCulled[t],r=this._objectsDetailCulled[t],o=s||r;i.culled=o,this._objectsChanged[t]=!1}this._lenObjectsChangedList=0}}get objects(){return this._dirty&&this._build(),this._objects}get numObjects(){return this._dirty&&this._build(),this._numObjects}setObjectViewCulled(e,t){this._dirty&&this._build(),this._objectsViewCulled[e]!==t&&(this._objectsViewCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}setObjectDetailCulled(e,t){this._dirty&&this._build(),this._objectsDetailCulled[e]!==t&&(this._objectsDetailCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}_destroy(){this._clear(),this._scene.off(this._onModelLoaded),this._scene.off(this._onTick)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._dirty=!0}}const rM={};const oM=new Float32Array(3);class nM extends z{constructor(e,t={}){super("ViewCull",e),this._objectCullStates=function(e){const t=e.id;let i=rM[t];return i||(i=new sM(e),rM[t]=i,e.on("destroyed",(()=>{delete rM[t],i._destroy()}))),i}(e.scene),this._maxTreeDepth=t.maxTreeDepth||8,this._modelInfos={},this._frustum=new N,this._kdRoot=null,this._frustumDirty=!1,this._kdTreeDirty=!1,this._onViewMatrix=e.scene.camera.on("viewMatrix",(()=>{this._frustumDirty=!0})),this._onProjMatrix=e.scene.camera.on("projMatMatrix",(()=>{this._frustumDirty=!0})),this._onModelLoaded=e.scene.on("modelLoaded",(e=>{const t=this.viewer.scene.models[e];t&&this._addModel(t)})),this._onSceneTick=e.scene.on("tick",(()=>{this._doCull()}))}set enabled(e){this._enabled=e}get enabled(){return this._enabled}_addModel(e){const t={model:e,onDestroyed:e.on("destroyed",(()=>{this._removeModel(e)}))};this._modelInfos[e.id]=t,this._kdTreeDirty=!0}_removeModel(e){const t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._kdTreeDirty=!0)}_doCull(){const e=this._frustumDirty||this._kdTreeDirty;if(this._frustumDirty&&this._buildFrustum(),this._kdTreeDirty&&this._buildKDTree(),e){const e=this._kdRoot;e&&this._visitKDNode(e)}}_buildFrustum(){const e=this.viewer.scene.camera;Q(this._frustum,e.viewMatrix,e.projMatrix),this._frustumDirty=!1}_buildKDTree(){const e=this.viewer.scene;this._kdRoot,this._kdRoot={aabb:e.getAABB(),intersection:N.INTERSECT};for(let e=0,t=this._objectCullStates.numObjects;e<t;e++){const t=this._objectCullStates.objects[e];this._insertEntityIntoKDTree(this._kdRoot,t,e,1)}this._kdTreeDirty=!1}_insertEntityIntoKDTree(e,t,i,s){const r=t.aabb;if(s>=this._maxTreeDepth)return e.objects=e.objects||[],e.objects.push(i),void d.expandAABB3(e.aabb,r);if(e.left&&d.containsAABB3(e.left.aabb,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1);if(e.right&&d.containsAABB3(e.right.aabb,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1);const o=e.aabb;oM[0]=o[3]-o[0],oM[1]=o[4]-o[1],oM[2]=o[5]-o[2];let n=0;if(oM[1]>oM[n]&&(n=1),oM[2]>oM[n]&&(n=2),!e.left){const a=o.slice();if(a[n+3]=(o[n]+o[n+3])/2,e.left={aabb:a,intersection:N.INTERSECT},d.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1)}if(!e.right){const a=o.slice();if(a[n]=(o[n]+o[n+3])/2,e.right={aabb:a,intersection:N.INTERSECT},d.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1)}e.objects=e.objects||[],e.objects.push(i),d.expandAABB3(e.aabb,r)}_visitKDNode(e,t=N.INTERSECT){if(t!==N.INTERSECT&&e.intersects===t)return;t===N.INTERSECT&&(t=V(this._frustum,e.aabb),e.intersects=t);const i=t===N.OUTSIDE,s=e.objects;if(s&&s.length>0)for(let e=0,t=s.length;e<t;e++){const t=s[e];this._objectCullStates.setObjectViewCulled(t,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}send(e,t){}destroy(){super.destroy(),this._clear();const e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}}class aM{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getManifest(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getXKT(e,t,i){var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",this._cacheBusterURL(e),!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}
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r=i<<1;for(;r<=e.heap_len&&(r<e.heap_len&&x(t,e.heap[r+1],e.heap[r],e.depth)&&r++,!x(t,s,e.heap[r],e.depth));)e.heap[i]=e.heap[r],i=r,r<<=1;e.heap[i]=s},M=(e,t,r)=>{let o,n,a,l,u=0;if(0!==e.sym_next)do{o=255&e.pending_buf[e.sym_buf+u++],o+=(255&e.pending_buf[e.sym_buf+u++])<<8,n=e.pending_buf[e.sym_buf+u++],0===o?b(e,n,t):(a=A[n],b(e,a+256+1,t),l=i[a],0!==l&&(n-=h[a],v(e,n,l)),o--,a=m(o),b(e,a,r),l=s[a],0!==l&&(o-=c[a],v(e,o,l)))}while(u<e.sym_next);b(e,256,t)},E=(e,t)=>{const i=t.dyn_tree,s=t.stat_desc.static_tree,r=t.stat_desc.has_stree,o=t.stat_desc.elems;let 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A,h,c,u,d,p,f=0;for(u=0;u<=15;u++)e.bl_count[u]=0;for(i[2*e.heap[e.heap_max]+1]=0,A=e.heap_max+1;A<573;A++)h=e.heap[A],u=i[2*i[2*h+1]+1]+1,u>l&&(u=l,f++),i[2*h+1]=u,h>s||(e.bl_count[u]++,d=0,h>=a&&(d=n[h-a]),p=i[2*h],e.opt_len+=p*(u+d),o&&(e.static_len+=p*(r[2*h+1]+d)));if(0!==f){do{for(u=l-1;0===e.bl_count[u];)u--;e.bl_count[u]--,e.bl_count[u+1]+=2,e.bl_count[l]--,f-=2}while(f>0);for(u=l;0!==u;u--)for(h=e.bl_count[u];0!==h;)c=e.heap[--A],c>s||(i[2*c+1]!==u&&(e.opt_len+=(u-i[2*c+1])*i[2*c],i[2*c+1]=u),h--)}})(e,t),B(i,A,e.bl_count)},F=(e,t,i)=>{let s,r,o=-1,n=t[1],a=0,l=7,A=4;for(0===n&&(l=138,A=3),t[2*(i+1)+1]=65535,s=0;s<=i;s++)r=n,n=t[2*(s+1)+1],++a<l&&r===n||(a<A?e.bl_tree[2*r]+=a:0!==r?(r!==o&&e.bl_tree[2*r]++,e.bl_tree[32]++):a<=10?e.bl_tree[34]++:e.bl_tree[36]++,a=0,o=r,0===n?(l=138,A=3):r===n?(l=6,A=3):(l=7,A=4))},I=(e,t,i)=>{let s,r,o=-1,n=t[1],a=0,l=7,A=4;for(0===n&&(l=138,A=3),s=0;s<=i;s++)if(r=n,n=t[2*(s+1)+1],!(++a<l&&r===n)){if(a<A)do{b(e,r,e.bl_tree)}while(0!=--a);else 0!==r?(r!==o&&(b(e,r,e.bl_tree),a--),b(e,16,e.bl_tree),v(e,a-3,2)):a<=10?(b(e,17,e.bl_tree),v(e,a-3,3)):(b(e,18,e.bl_tree),v(e,a-11,7));a=0,o=r,0===n?(l=138,A=3):r===n?(l=6,A=3):(l=7,A=4)}};let D=!1;const S=(e,t,i,s)=>{v(e,0+(s?1:0),3),P(e),_(e,i),_(e,~i),i&&e.pending_buf.set(e.window.subarray(t,t+i),e.pending),e.pending+=i};var T={_tr_init:e=>{D||((()=>{let e,t,o,g,m;const _=new Array(16);for(o=0,g=0;g<28;g++)for(h[g]=o,e=0;e<1<<i[g];e++)A[o++]=g;for(A[o-1]=g,m=0,g=0;g<16;g++)for(c[g]=m,e=0;e<1<<s[g];e++)l[m++]=g;for(m>>=7;g<30;g++)for(c[g]=m<<7,e=0;e<1<<s[g]-7;e++)l[256+m++]=g;for(t=0;t<=15;t++)_[t]=0;for(e=0;e<=143;)n[2*e+1]=8,e++,_[8]++;for(;e<=255;)n[2*e+1]=9,e++,_[9]++;for(;e<=279;)n[2*e+1]=7,e++,_[7]++;for(;e<=287;)n[2*e+1]=8,e++,_[8]++;for(B(n,287,_),e=0;e<30;e++)a[2*e+1]=5,a[2*e]=y(e,5);d=new u(n,i,257,286,15),p=new u(a,s,0,30,15),f=new u(new Array(0),r,0,19,7)})(),D=!0),e.l_desc=new g(e.dyn_ltree,d),e.d_desc=new g(e.dyn_dtree,p),e.bl_desc=new g(e.bl_tree,f),e.bi_buf=0,e.bi_valid=0,w(e)},_tr_stored_block:S,_tr_flush_block:(e,t,i,s)=>{let r,l,A=0;e.level>0?(2===e.strm.data_type&&(e.strm.data_type=(e=>{let t,i=4093624447;for(t=0;t<=31;t++,i>>>=1)if(1&i&&0!==e.dyn_ltree[2*t])return 0;if(0!==e.dyn_ltree[18]||0!==e.dyn_ltree[20]||0!==e.dyn_ltree[26])return 1;for(t=32;t<256;t++)if(0!==e.dyn_ltree[2*t])return 1;return 0})(e)),E(e,e.l_desc),E(e,e.d_desc),A=(e=>{let t;for(F(e,e.dyn_ltree,e.l_desc.max_code),F(e,e.dyn_dtree,e.d_desc.max_code),E(e,e.bl_desc),t=18;t>=3&&0===e.bl_tree[2*o[t]+1];t--);return e.opt_len+=3*(t+1)+5+5+4,t})(e),r=e.opt_len+3+7>>>3,l=e.static_len+3+7>>>3,l<=r&&(r=l)):r=l=i+5,i+4<=r&&-1!==t?S(e,t,i,s):4===e.strategy||l===r?(v(e,2+(s?1:0),3),M(e,n,a)):(v(e,4+(s?1:0),3),((e,t,i,s)=>{let r;for(v(e,t-257,5),v(e,i-1,5),v(e,s-4,4),r=0;r<s;r++)v(e,e.bl_tree[2*o[r]+1],3);I(e,e.dyn_ltree,t-1),I(e,e.dyn_dtree,i-1)})(e,e.l_desc.max_code+1,e.d_desc.max_code+1,A+1),M(e,e.dyn_ltree,e.dyn_dtree)),w(e),s&&P(e)},_tr_tally:(e,t,i)=>(e.pending_buf[e.sym_buf+e.sym_next++]=t,e.pending_buf[e.sym_buf+e.sym_next++]=t>>8,e.pending_buf[e.sym_buf+e.sym_next++]=i,0===t?e.dyn_ltree[2*i]++:(e.matches++,t--,e.dyn_ltree[2*(A[i]+256+1)]++,e.dyn_dtree[2*m(t)]++),e.sym_next===e.sym_end),_tr_align:e=>{v(e,2,3),b(e,256,n),(e=>{16===e.bi_valid?(_(e,e.bi_buf),e.bi_buf=0,e.bi_valid=0):e.bi_valid>=8&&(e.pending_buf[e.pending++]=255&e.bi_buf,e.bi_buf>>=8,e.bi_valid-=8)})(e)}},R=(e,t,i,s)=>{let r=65535&e|0,o=e>>>16&65535|0,n=0;for(;0!==i;){n=i>2e3?2e3:i,i-=n;do{r=r+t[s++]|0,o=o+r|0}while(--n);r%=65521,o%=65521}return r|o<<16|0};const L=new Uint32Array((()=>{let e,t=[];for(var i=0;i<256;i++){e=i;for(var s=0;s<8;s++)e=1&e?3988292384^e>>>1:e>>>1;t[i]=e}return t})());var U=(e,t,i,s)=>{const r=L,o=s+i;e^=-1;for(let i=s;i<o;i++)e=e>>>8^r[255&(e^t[i])];return-1^e},O={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"},k={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_MEM_ERROR:-4,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8};const{_tr_init:N,_tr_stored_block:Q,_tr_flush_block:V,_tr_tally:H,_tr_align:j}=T,{Z_NO_FLUSH:G,Z_PARTIAL_FLUSH:z,Z_FULL_FLUSH:K,Z_FINISH:W,Z_BLOCK:X,Z_OK:J,Z_STREAM_END:Y,Z_STREAM_ERROR:Z,Z_DATA_ERROR:q,Z_BUF_ERROR:$,Z_DEFAULT_COMPRESSION:ee,Z_FILTERED:te,Z_HUFFMAN_ONLY:ie,Z_RLE:se,Z_FIXED:re,Z_DEFAULT_STRATEGY:oe,Z_UNKNOWN:ne,Z_DEFLATED:ae}=k,le=258,Ae=262,he=42,ce=113,ue=666,de=(e,t)=>(e.msg=O[t],t),pe=e=>2*e-(e>4?9:0),fe=e=>{let t=e.length;for(;--t>=0;)e[t]=0},ge=e=>{let t,i,s,r=e.w_size;t=e.hash_size,s=t;do{i=e.head[--s],e.head[s]=i>=r?i-r:0}while(--t);t=r,s=t;do{i=e.prev[--s],e.prev[s]=i>=r?i-r:0}while(--t)};let me=(e,t,i)=>(t<<e.hash_shift^i)&e.hash_mask;const _e=e=>{const t=e.state;let i=t.pending;i>e.avail_out&&(i=e.avail_out),0!==i&&(e.output.set(t.pending_buf.subarray(t.pending_out,t.pending_out+i),e.next_out),e.next_out+=i,t.pending_out+=i,e.total_out+=i,e.avail_out-=i,t.pending-=i,0===t.pending&&(t.pending_out=0))},ve=(e,t)=>{V(e,e.block_start>=0?e.block_start:-1,e.strstart-e.block_start,t),e.block_start=e.strstart,_e(e.strm)},be=(e,t)=>{e.pending_buf[e.pending++]=t},ye=(e,t)=>{e.pending_buf[e.pending++]=t>>>8&255,e.pending_buf[e.pending++]=255&t},Be=(e,t,i,s)=>{let r=e.avail_in;return r>s&&(r=s),0===r?0:(e.avail_in-=r,t.set(e.input.subarray(e.next_in,e.next_in+r),i),1===e.state.wrap?e.adler=R(e.adler,t,r,i):2===e.state.wrap&&(e.adler=U(e.adler,t,r,i)),e.next_in+=r,e.total_in+=r,r)},we=(e,t)=>{let i,s,r=e.max_chain_length,o=e.strstart,n=e.prev_length,a=e.nice_match;const l=e.strstart>e.w_size-Ae?e.strstart-(e.w_size-Ae):0,A=e.window,h=e.w_mask,c=e.prev,u=e.strstart+le;let d=A[o+n-1],p=A[o+n];e.prev_length>=e.good_match&&(r>>=2),a>e.lookahead&&(a=e.lookahead);do{if(i=t,A[i+n]===p&&A[i+n-1]===d&&A[i]===A[o]&&A[++i]===A[o+1]){o+=2,i++;do{}while(A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&o<u);if(s=le-(u-o),o=u-le,s>n){if(e.match_start=t,n=s,s>=a)break;d=A[o+n-1],p=A[o+n]}}}while((t=c[t&h])>l&&0!=--r);return n<=e.lookahead?n:e.lookahead},Pe=e=>{const t=e.w_size;let i,s,r;do{if(s=e.window_size-e.lookahead-e.strstart,e.strstart>=t+(t-Ae)&&(e.window.set(e.window.subarray(t,t+t-s),0),e.match_start-=t,e.strstart-=t,e.block_start-=t,e.insert>e.strstart&&(e.insert=e.strstart),ge(e),s+=t),0===e.strm.avail_in)break;if(i=Be(e.strm,e.window,e.strstart+e.lookahead,s),e.lookahead+=i,e.lookahead+e.insert>=3)for(r=e.strstart-e.insert,e.ins_h=e.window[r],e.ins_h=me(e,e.ins_h,e.window[r+1]);e.insert&&(e.ins_h=me(e,e.ins_h,e.window[r+3-1]),e.prev[r&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=r,r++,e.insert--,!(e.lookahead+e.insert<3)););}while(e.lookahead<Ae&&0!==e.strm.avail_in)},xe=(e,t)=>{let i,s,r,o=e.pending_buf_size-5>e.w_size?e.w_size:e.pending_buf_size-5,n=0,a=e.strm.avail_in;do{if(i=65535,r=e.bi_valid+42>>3,e.strm.avail_out<r)break;if(r=e.strm.avail_out-r,s=e.strstart-e.block_start,i>s+e.strm.avail_in&&(i=s+e.strm.avail_in),i>r&&(i=r),i<o&&(0===i&&t!==W||t===G||i!==s+e.strm.avail_in))break;n=t===W&&i===s+e.strm.avail_in?1:0,Q(e,0,0,n),e.pending_buf[e.pending-4]=i,e.pending_buf[e.pending-3]=i>>8,e.pending_buf[e.pending-2]=~i,e.pending_buf[e.pending-1]=~i>>8,_e(e.strm),s&&(s>i&&(s=i),e.strm.output.set(e.window.subarray(e.block_start,e.block_start+s),e.strm.next_out),e.strm.next_out+=s,e.strm.avail_out-=s,e.strm.total_out+=s,e.block_start+=s,i-=s),i&&(Be(e.strm,e.strm.output,e.strm.next_out,i),e.strm.next_out+=i,e.strm.avail_out-=i,e.strm.total_out+=i)}while(0===n);return a-=e.strm.avail_in,a&&(a>=e.w_size?(e.matches=2,e.window.set(e.strm.input.subarray(e.strm.next_in-e.w_size,e.strm.next_in),0),e.strstart=e.w_size,e.insert=e.strstart):(e.window_size-e.strstart<=a&&(e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,e.insert>e.strstart&&(e.insert=e.strstart)),e.window.set(e.strm.input.subarray(e.strm.next_in-a,e.strm.next_in),e.strstart),e.strstart+=a,e.insert+=a>e.w_size-e.insert?e.w_size-e.insert:a),e.block_start=e.strstart),e.high_water<e.strstart&&(e.high_water=e.strstart),n?4:t!==G&&t!==W&&0===e.strm.avail_in&&e.strstart===e.block_start?2:(r=e.window_size-e.strstart,e.strm.avail_in>r&&e.block_start>=e.w_size&&(e.block_start-=e.w_size,e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,r+=e.w_size,e.insert>e.strstart&&(e.insert=e.strstart)),r>e.strm.avail_in&&(r=e.strm.avail_in),r&&(Be(e.strm,e.window,e.strstart,r),e.strstart+=r,e.insert+=r>e.w_size-e.insert?e.w_size-e.insert:r),e.high_water<e.strstart&&(e.high_water=e.strstart),r=e.bi_valid+42>>3,r=e.pending_buf_size-r>65535?65535:e.pending_buf_size-r,o=r>e.w_size?e.w_size:r,s=e.strstart-e.block_start,(s>=o||(s||t===W)&&t!==G&&0===e.strm.avail_in&&s<=r)&&(i=s>r?r:s,n=t===W&&0===e.strm.avail_in&&i===s?1:0,Q(e,e.block_start,i,n),e.block_start+=i,_e(e.strm)),n?3:1)},Ce=(e,t)=>{let i,s;for(;;){if(e.lookahead<Ae){if(Pe(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-Ae&&(e.match_length=we(e,i)),e.match_length>=3)if(s=H(e,e.strstart-e.match_start,e.match_length-3),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=3){e.match_length--;do{e.strstart++,e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart}while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=me(e,e.ins_h,e.window[e.strstart+1]);else s=H(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(s&&(ve(e,!1),0===e.strm.avail_out))return 1}return e.insert=e.strstart<2?e.strstart:2,t===W?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2},Me=(e,t)=>{let i,s,r;for(;;){if(e.lookahead<Ae){if(Pe(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),e.prev_length=e.match_length,e.prev_match=e.match_start,e.match_length=2,0!==i&&e.prev_length<e.max_lazy_match&&e.strstart-i<=e.w_size-Ae&&(e.match_length=we(e,i),e.match_length<=5&&(e.strategy===te||3===e.match_length&&e.strstart-e.match_start>4096)&&(e.match_length=2)),e.prev_length>=3&&e.match_length<=e.prev_length){r=e.strstart+e.lookahead-3,s=H(e,e.strstart-1-e.prev_match,e.prev_length-3),e.lookahead-=e.prev_length-1,e.prev_length-=2;do{++e.strstart<=r&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart)}while(0!=--e.prev_length);if(e.match_available=0,e.match_length=2,e.strstart++,s&&(ve(e,!1),0===e.strm.avail_out))return 1}else if(e.match_available){if(s=H(e,0,e.window[e.strstart-1]),s&&ve(e,!1),e.strstart++,e.lookahead--,0===e.strm.avail_out)return 1}else e.match_available=1,e.strstart++,e.lookahead--}return e.match_available&&(s=H(e,0,e.window[e.strstart-1]),e.match_available=0),e.insert=e.strstart<2?e.strstart:2,t===W?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2};function Ee(e,t,i,s,r){this.good_length=e,this.max_lazy=t,this.nice_length=i,this.max_chain=s,this.func=r}const Fe=[new Ee(0,0,0,0,xe),new Ee(4,4,8,4,Ce),new Ee(4,5,16,8,Ce),new Ee(4,6,32,32,Ce),new Ee(4,4,16,16,Me),new Ee(8,16,32,32,Me),new Ee(8,16,128,128,Me),new Ee(8,32,128,256,Me),new Ee(32,128,258,1024,Me),new Ee(32,258,258,4096,Me)];function 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Uint8Array(e):i.input=e,i.next_in=0,i.avail_in=i.input.length;;)if(0===i.avail_out&&(i.output=new Uint8Array(s),i.next_out=0,i.avail_out=s),(o===Ze||o===qe)&&i.avail_out<=6)this.onData(i.output.subarray(0,i.next_out)),i.avail_out=0;else{if(r=Oe(i,o),r===tt)return i.next_out>0&&this.onData(i.output.subarray(0,i.next_out)),r=ke(this.strm),this.onEnd(r),this.ended=!0,r===et;if(0!==i.avail_out){if(o>0&&i.next_out>0)this.onData(i.output.subarray(0,i.next_out)),i.avail_out=0;else if(0===i.avail_in)break}else this.onData(i.output)}return!0},ot.prototype.onData=function(e){this.chunks.push(e)},ot.prototype.onEnd=function(e){e===et&&(this.result=He(this.chunks)),this.chunks=[],this.err=e,this.msg=this.strm.msg};var at={Deflate:ot,deflate:nt,deflateRaw:function(e,t){return(t=t||{}).raw=!0,nt(e,t)},gzip:function(e,t){return(t=t||{}).gzip=!0,nt(e,t)},constants:k};const lt=16209;var At=function(e,t){let i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,w,P,x;const C=e.state;i=e.next_in,P=e.input,s=i+(e.avail_in-5),r=e.next_out,x=e.output,o=r-(t-e.avail_out),n=r+(e.avail_out-257),a=C.dmax,l=C.wsize,A=C.whave,h=C.wnext,c=C.window,u=C.hold,d=C.bits,p=C.lencode,f=C.distcode,g=(1<<C.lenbits)-1,m=(1<<C.distbits)-1;e:do{d<15&&(u+=P[i++]<<d,d+=8,u+=P[i++]<<d,d+=8),_=p[u&g];t:for(;;){if(v=_>>>24,u>>>=v,d-=v,v=_>>>16&255,0===v)x[r++]=65535&_;else{if(!(16&v)){if(0==(64&v)){_=p[(65535&_)+(u&(1<<v)-1)];continue t}if(32&v){C.mode=16191;break e}e.msg="invalid literal/length code",C.mode=lt;break e}b=65535&_,v&=15,v&&(d<v&&(u+=P[i++]<<d,d+=8),b+=u&(1<<v)-1,u>>>=v,d-=v),d<15&&(u+=P[i++]<<d,d+=8,u+=P[i++]<<d,d+=8),_=f[u&m];i:for(;;){if(v=_>>>24,u>>>=v,d-=v,v=_>>>16&255,!(16&v)){if(0==(64&v)){_=f[(65535&_)+(u&(1<<v)-1)];continue i}e.msg="invalid distance code",C.mode=lt;break e}if(y=65535&_,v&=15,d<v&&(u+=P[i++]<<d,d+=8,d<v&&(u+=P[i++]<<d,d+=8)),y+=u&(1<<v)-1,y>a){e.msg="invalid distance too far back",C.mode=lt;break e}if(u>>>=v,d-=v,v=r-o,y>v){if(v=y-v,v>A&&C.sane){e.msg="invalid distance too far back",C.mode=lt;break e}if(B=0,w=c,0===h){if(B+=l-v,v<b){b-=v;do{x[r++]=c[B++]}while(--v);B=r-y,w=x}}else if(h<v){if(B+=l+h-v,v-=h,v<b){b-=v;do{x[r++]=c[B++]}while(--v);if(B=0,h<b){v=h,b-=v;do{x[r++]=c[B++]}while(--v);B=r-y,w=x}}}else if(B+=h-v,v<b){b-=v;do{x[r++]=c[B++]}while(--v);B=r-y,w=x}for(;b>2;)x[r++]=w[B++],x[r++]=w[B++],x[r++]=w[B++],b-=3;b&&(x[r++]=w[B++],b>1&&(x[r++]=w[B++]))}else{B=r-y;do{x[r++]=x[B++],x[r++]=x[B++],x[r++]=x[B++],b-=3}while(b>2);b&&(x[r++]=x[B++],b>1&&(x[r++]=x[B++]))}break}}break}}while(i<s&&r<n);b=d>>3,i-=b,d-=b<<3,u&=(1<<d)-1,e.next_in=i,e.next_out=r,e.avail_in=i<s?s-i+5:5-(i-s),e.avail_out=r<n?n-r+257:257-(r-n),C.hold=u,C.bits=d};const ht=new Uint16Array([3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0]),ct=new Uint8Array([16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78]),ut=new Uint16Array([1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0]),dt=new Uint8Array([16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64]);var pt=(e,t,i,s,r,o,n,a)=>{const l=a.bits;let A,h,c,u,d,p,f=0,g=0,m=0,_=0,v=0,b=0,y=0,B=0,w=0,P=0,x=null;const C=new Uint16Array(16),M=new Uint16Array(16);let E,F,I,D=null;for(f=0;f<=15;f++)C[f]=0;for(g=0;g<s;g++)C[t[i+g]]++;for(v=l,_=15;_>=1&&0===C[_];_--);if(v>_&&(v=_),0===_)return r[o++]=20971520,r[o++]=20971520,a.bits=1,0;for(m=1;m<_&&0===C[m];m++);for(v<m&&(v=m),B=1,f=1;f<=15;f++)if(B<<=1,B-=C[f],B<0)return-1;if(B>0&&(0===e||1!==_))return-1;for(M[1]=0,f=1;f<15;f++)M[f+1]=M[f]+C[f];for(g=0;g<s;g++)0!==t[i+g]&&(n[M[t[i+g]]++]=g);if(0===e?(x=D=n,p=20):1===e?(x=ht,D=ct,p=257):(x=ut,D=dt,p=0),P=0,g=0,f=m,d=o,b=v,y=0,c=-1,w=1<<v,u=w-1,1===e&&w>852||2===e&&w>592)return 1;for(;;){E=f-y,n[g]+1<p?(F=0,I=n[g]):n[g]>=p?(F=D[n[g]-p],I=x[n[g]-p]):(F=96,I=0),A=1<<f-y,h=1<<b,m=h;do{h-=A,r[d+(P>>y)+h]=E<<24|F<<16|I|0}while(0!==h);for(A=1<<f-1;P&A;)A>>=1;if(0!==A?(P&=A-1,P+=A):P=0,g++,0==--C[f]){if(f===_)break;f=t[i+n[g]]}if(f>v&&(P&u)!==c){for(0===y&&(y=v),d+=m,b=f-y,B=1<<b;b+y<_&&(B-=C[b+y],!(B<=0));)b++,B<<=1;if(w+=1<<b,1===e&&w>852||2===e&&w>592)return 1;c=P&u,r[c]=v<<24|b<<16|d-o|0}}return 0!==P&&(r[d+P]=f-y<<24|64<<16|0),a.bits=v,0};const{Z_FINISH:ft,Z_BLOCK:gt,Z_TREES:mt,Z_OK:_t,Z_STREAM_END:vt,Z_NEED_DICT:bt,Z_STREAM_ERROR:yt,Z_DATA_ERROR:Bt,Z_MEM_ERROR:wt,Z_BUF_ERROR:Pt,Z_DEFLATED:xt}=k,Ct=16180,Mt=16190,Et=16191,Ft=16192,It=16194,Dt=16199,St=16200,Tt=16206,Rt=16209,Lt=e=>(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24);function Ut(){this.strm=null,this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new Uint16Array(320),this.work=new Uint16Array(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}const Ot=e=>{if(!e)return 1;const t=e.state;return!t||t.strm!==e||t.mode<Ct||t.mode>16211?1:0},kt=e=>{if(Ot(e))return yt;const t=e.state;return e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=Ct,t.last=0,t.havedict=0,t.flags=-1,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(852),t.distcode=t.distdyn=new Int32Array(592),t.sane=1,t.back=-1,_t},Nt=e=>{if(Ot(e))return yt;const t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,kt(e)},Qt=(e,t)=>{let i;if(Ot(e))return yt;const s=e.state;return t<0?(i=0,t=-t):(i=5+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?yt:(null!==s.window&&s.wbits!==t&&(s.window=null),s.wrap=i,s.wbits=t,Nt(e))},Vt=(e,t)=>{if(!e)return yt;const i=new Ut;e.state=i,i.strm=e,i.window=null,i.mode=Ct;const s=Qt(e,t);return s!==_t&&(e.state=null),s};let Ht,jt,Gt=!0;const zt=e=>{if(Gt){Ht=new Int32Array(512),jt=new Int32Array(32);let t=0;for(;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(pt(1,e.lens,0,288,Ht,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;pt(2,e.lens,0,32,jt,0,e.work,{bits:5}),Gt=!1}e.lencode=Ht,e.lenbits=9,e.distcode=jt,e.distbits=5},Kt=(e,t,i,s)=>{let r;const o=e.state;return null===o.window&&(o.wsize=1<<o.wbits,o.wnext=0,o.whave=0,o.window=new Uint8Array(o.wsize)),s>=o.wsize?(o.window.set(t.subarray(i-o.wsize,i),0),o.wnext=0,o.whave=o.wsize):(r=o.wsize-o.wnext,r>s&&(r=s),o.window.set(t.subarray(i-s,i-s+r),o.wnext),(s-=r)?(o.window.set(t.subarray(i-s,i),0),o.wnext=s,o.whave=o.wsize):(o.wnext+=r,o.wnext===o.wsize&&(o.wnext=0),o.whave<o.wsize&&(o.whave+=r))),0};var Wt=Nt,Xt=Vt,Jt=(e,t)=>{let i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,w,P=0;const x=new Uint8Array(4);let C,M;const E=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(Ot(e)||!e.output||!e.input&&0!==e.avail_in)return yt;i=e.state,i.mode===Et&&(i.mode=Ft),n=e.next_out,r=e.output,l=e.avail_out,o=e.next_in,s=e.input,a=e.avail_in,A=i.hold,h=i.bits,c=a,u=l,w=_t;e:for(;;)switch(i.mode){case Ct:if(0===i.wrap){i.mode=Ft;break}for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(2&i.wrap&&35615===A){0===i.wbits&&(i.wbits=15),i.check=0,x[0]=255&A,x[1]=A>>>8&255,i.check=U(i.check,x,2,0),A=0,h=0,i.mode=16181;break}if(i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&A)<<8)+(A>>8))%31){e.msg="incorrect header check",i.mode=Rt;break}if((15&A)!==xt){e.msg="unknown compression method",i.mode=Rt;break}if(A>>>=4,h-=4,B=8+(15&A),0===i.wbits&&(i.wbits=B),B>15||B>i.wbits){e.msg="invalid window size",i.mode=Rt;break}i.dmax=1<<i.wbits,i.flags=0,e.adler=i.check=1,i.mode=512&A?16189:Et,A=0,h=0;break;case 16181:for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(i.flags=A,(255&i.flags)!==xt){e.msg="unknown compression method",i.mode=Rt;break}if(57344&i.flags){e.msg="unknown header flags set",i.mode=Rt;break}i.head&&(i.head.text=A>>8&1),512&i.flags&&4&i.wrap&&(x[0]=255&A,x[1]=A>>>8&255,i.check=U(i.check,x,2,0)),A=0,h=0,i.mode=16182;case 16182:for(;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.head&&(i.head.time=A),512&i.flags&&4&i.wrap&&(x[0]=255&A,x[1]=A>>>8&255,x[2]=A>>>16&255,x[3]=A>>>24&255,i.check=U(i.check,x,4,0)),A=0,h=0,i.mode=16183;case 16183:for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.head&&(i.head.xflags=255&A,i.head.os=A>>8),512&i.flags&&4&i.wrap&&(x[0]=255&A,x[1]=A>>>8&255,i.check=U(i.check,x,2,0)),A=0,h=0,i.mode=16184;case 16184:if(1024&i.flags){for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.length=A,i.head&&(i.head.extra_len=A),512&i.flags&&4&i.wrap&&(x[0]=255&A,x[1]=A>>>8&255,i.check=U(i.check,x,2,0)),A=0,h=0}else i.head&&(i.head.extra=null);i.mode=16185;case 16185:if(1024&i.flags&&(d=i.length,d>a&&(d=a),d&&(i.head&&(B=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Uint8Array(i.head.extra_len)),i.head.extra.set(s.subarray(o,o+d),B)),512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,i.length-=d),i.length))break e;i.length=0,i.mode=16186;case 16186:if(2048&i.flags){if(0===a)break e;d=0;do{B=s[o+d++],i.head&&B&&i.length<65536&&(i.head.name+=String.fromCharCode(B))}while(B&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,B)break e}else i.head&&(i.head.name=null);i.length=0,i.mode=16187;case 16187:if(4096&i.flags){if(0===a)break e;d=0;do{B=s[o+d++],i.head&&B&&i.length<65536&&(i.head.comment+=String.fromCharCode(B))}while(B&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,B)break e}else i.head&&(i.head.comment=null);i.mode=16188;case 16188:if(512&i.flags){for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(4&i.wrap&&A!==(65535&i.check)){e.msg="header crc mismatch",i.mode=Rt;break}A=0,h=0}i.head&&(i.head.hcrc=i.flags>>9&1,i.head.done=!0),e.adler=i.check=0,i.mode=Et;break;case 16189:for(;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}e.adler=i.check=Lt(A),A=0,h=0,i.mode=Mt;case Mt:if(0===i.havedict)return e.next_out=n,e.avail_out=l,e.next_in=o,e.avail_in=a,i.hold=A,i.bits=h,bt;e.adler=i.check=1,i.mode=Et;case Et:if(t===gt||t===mt)break e;case Ft:if(i.last){A>>>=7&h,h-=7&h,i.mode=Tt;break}for(;h<3;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}switch(i.last=1&A,A>>>=1,h-=1,3&A){case 0:i.mode=16193;break;case 1:if(zt(i),i.mode=Dt,t===mt){A>>>=2,h-=2;break e}break;case 2:i.mode=16196;break;case 3:e.msg="invalid block type",i.mode=Rt}A>>>=2,h-=2;break;case 16193:for(A>>>=7&h,h-=7&h;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if((65535&A)!=(A>>>16^65535)){e.msg="invalid stored block lengths",i.mode=Rt;break}if(i.length=65535&A,A=0,h=0,i.mode=It,t===mt)break e;case It:i.mode=16195;case 16195:if(d=i.length,d){if(d>a&&(d=a),d>l&&(d=l),0===d)break e;r.set(s.subarray(o,o+d),n),a-=d,o+=d,l-=d,n+=d,i.length-=d;break}i.mode=Et;break;case 16196:for(;h<14;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(i.nlen=257+(31&A),A>>>=5,h-=5,i.ndist=1+(31&A),A>>>=5,h-=5,i.ncode=4+(15&A),A>>>=4,h-=4,i.nlen>286||i.ndist>30){e.msg="too many length or distance symbols",i.mode=Rt;break}i.have=0,i.mode=16197;case 16197:for(;i.have<i.ncode;){for(;h<3;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.lens[E[i.have++]]=7&A,A>>>=3,h-=3}for(;i.have<19;)i.lens[E[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,C={bits:i.lenbits},w=pt(0,i.lens,0,19,i.lencode,0,i.work,C),i.lenbits=C.bits,w){e.msg="invalid code lengths set",i.mode=Rt;break}i.have=0,i.mode=16198;case 16198:for(;i.have<i.nlen+i.ndist;){for(;P=i.lencode[A&(1<<i.lenbits)-1],g=P>>>24,m=P>>>16&255,_=65535&P,!(g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(_<16)A>>>=g,h-=g,i.lens[i.have++]=_;else{if(16===_){for(M=g+2;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(A>>>=g,h-=g,0===i.have){e.msg="invalid bit length repeat",i.mode=Rt;break}B=i.lens[i.have-1],d=3+(3&A),A>>>=2,h-=2}else if(17===_){for(M=g+3;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=g,h-=g,B=0,d=3+(7&A),A>>>=3,h-=3}else{for(M=g+7;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=g,h-=g,B=0,d=11+(127&A),A>>>=7,h-=7}if(i.have+d>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=Rt;break}for(;d--;)i.lens[i.have++]=B}}if(i.mode===Rt)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=Rt;break}if(i.lenbits=9,C={bits:i.lenbits},w=pt(1,i.lens,0,i.nlen,i.lencode,0,i.work,C),i.lenbits=C.bits,w){e.msg="invalid literal/lengths set",i.mode=Rt;break}if(i.distbits=6,i.distcode=i.distdyn,C={bits:i.distbits},w=pt(2,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,C),i.distbits=C.bits,w){e.msg="invalid distances set",i.mode=Rt;break}if(i.mode=Dt,t===mt)break e;case Dt:i.mode=St;case St:if(a>=6&&l>=258){e.next_out=n,e.avail_out=l,e.next_in=o,e.avail_in=a,i.hold=A,i.bits=h,At(e,u),n=e.next_out,r=e.output,l=e.avail_out,o=e.next_in,s=e.input,a=e.avail_in,A=i.hold,h=i.bits,i.mode===Et&&(i.back=-1);break}for(i.back=0;P=i.lencode[A&(1<<i.lenbits)-1],g=P>>>24,m=P>>>16&255,_=65535&P,!(g<=h);){if(0===a)break 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n=function(e){return{positions:e[0],normals:e[1],indices:e[2],edgeIndices:e[3],meshPositions:e[4],meshIndices:e[5],meshEdgesIndices:e[6],meshColors:e[7],entityIDs:e[8],entityMeshes:e[9],entityIsObjects:e[10],instancedPositionsDecodeMatrix:e[11],batchedPositionsDecodeMatrix:e[12],entityMeshIds:e[13],entityMatrices:e[14],entityUsesInstancing:e[15]}}(i),a=function(e){return{positions:new Uint16Array(fM.inflate(e.positions).buffer),normals:new Int8Array(fM.inflate(e.normals).buffer),indices:new Uint32Array(fM.inflate(e.indices).buffer),edgeIndices:new Uint32Array(fM.inflate(e.edgeIndices).buffer),meshPositions:new Uint32Array(fM.inflate(e.meshPositions).buffer),meshIndices:new Uint32Array(fM.inflate(e.meshIndices).buffer),meshEdgesIndices:new Uint32Array(fM.inflate(e.meshEdgesIndices).buffer),meshColors:new Uint8Array(fM.inflate(e.meshColors).buffer),entityIDs:fM.inflate(e.entityIDs,{to:"string"}),entityMeshes:new Uint32Array(fM.inflate(e.entityMeshes).buffer),entityIsObjects:new 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e[0]=t[0]/255,e[1]=t[1]/255,e[2]=t[2]/255,e}}();function LM(e){const t=[];for(let i=0,s=e.length;i<s;i+=3)t.push(e[i]),t.push(e[i+1]),t.push(e[i+2]),t.push(1);return t}const UM={version:8,parse:function(e,t,i,s,r,o){const n=function(e){return{types:e[0],eachMetaObjectId:e[1],eachMetaObjectType:e[2],eachMetaObjectName:e[3],eachMetaObjectParent:e[4],positions:e[5],normals:e[6],colors:e[7],indices:e[8],edgeIndices:e[9],matrices:e[10],reusedGeometriesDecodeMatrix:e[11],eachGeometryPrimitiveType:e[12],eachGeometryPositionsPortion:e[13],eachGeometryNormalsPortion:e[14],eachGeometryColorsPortion:e[15],eachGeometryIndicesPortion:e[16],eachGeometryEdgeIndicesPortion:e[17],eachMeshGeometriesPortion:e[18],eachMeshMatricesPortion:e[19],eachMeshMaterial:e[20],eachEntityMetaObject:e[21],eachEntityMeshesPortion:e[22],eachTileAABB:e[23],eachTileEntitiesPortion:e[24]}}(i),a=function(e){function t(e,t){return 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Uint32Array(L);for(let e=0;e<U;e++){const t=M[e];void 0!==N[t]?N[t]++:N[t]=1}const Q=d.vec3(),V=d.AABB3(),H={};for(let i=0;i<k;i++){const r=i===k-1,a=T[i],A=r?O:T[i+1],h=6*i,c=S.subarray(h,h+6);d.getAABB3Center(c,Q),V[0]=c[0]-Q[0],V[1]=c[1]-Q[1],V[2]=c[2]-Q[2],V[3]=c[3]-Q[0],V[4]=c[4]-Q[1],V[5]=c[5]-Q[2];const R=gi.createPositionsDecodeMatrix(V),U={};for(let r=a;r<A;r++){const a=l[I[r]],A=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,h=r===O-1,c=D[r],S=h?M.length:D[r+1],T=[],k=e.metaScene.metaObjects[A],j={},G={};if(k){if(t.excludeTypesMap&&k.type&&t.excludeTypesMap[k.type])continue;if(t.includeTypesMap&&k.type&&!t.includeTypesMap[k.type])continue;const e=t.objectDefaults?t.objectDefaults[k.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(j.visible=!1),!1===e.pickable&&(j.pickable=!1),e.colorize&&(G.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(G.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(G.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(G.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=c;e<S;e++){const r=M[e],a=N[r]>1,l=r===L-1,A=RM(F.subarray(6*e,6*e+3)),h=F[6*e+3]/255,c=F[6*e+4]/255,I=F[6*e+5]/255,D=o.getNextId();if(a){const o=E[e],a=_.slice(o,o+16),M=`${n}-geometry.${i}.${r}`;let F=H[M];if(!F){F={batchThisMesh:!t.reuseGeometries};let e=!1;switch(b[r]){case 0:F.primitiveName="solid",F.geometryPositions=u.subarray(B[r],l?u.length:B[r+1]),F.geometryNormals=p.subarray(w[r],l?p.length:w[r+1]),F.geometryIndices=g.subarray(x[r],l?g.length:x[r+1]),F.geometryEdgeIndices=m.subarray(C[r],l?m.length:C[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 1:F.primitiveName="surface",F.geometryPositions=u.subarray(B[r],l?u.length:B[r+1]),F.geometryNormals=p.subarray(w[r],l?p.length:w[r+1]),F.geometryIndices=g.subarray(x[r],l?g.length:x[r+1]),F.geometryEdgeIndices=m.subarray(C[r],l?m.length:C[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 2:F.primitiveName="points",F.geometryPositions=u.subarray(B[r],l?u.length:B[r+1]),F.geometryColors=LM(f.subarray(P[r],l?f.length:P[r+1])),e=F.geometryPositions.length>0;break;case 3:F.primitiveName="lines",F.geometryPositions=u.subarray(B[r],l?u.length:B[r+1]),F.geometryIndices=g.subarray(x[r],l?g.length:x[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;default:continue}if(e||(F=null),F&&(F.geometryPositions.length,F.batchThisMesh)){F.decompressedPositions=new Float32Array(F.geometryPositions.length);const e=F.geometryPositions,t=F.decompressedPositions;for(let 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U[M]||(s.createGeometry({id:M,primitive:F.primitiveName,positionsCompressed:F.geometryPositions,normalsCompressed:F.geometryNormals,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:v}),U[M]=!0),s.createMesh(y.apply(G,{id:D,geometryId:M,origin:Q,matrix:a,color:A,metallic:c,roughness:I,opacity:h})),T.push(D)}else{let e,t,i,o,n,a,d=!1;switch(b[r]){case 0:e="solid",t=u.subarray(B[r],l?u.length:B[r+1]),i=p.subarray(w[r],l?p.length:w[r+1]),n=g.subarray(x[r],l?g.length:x[r+1]),a=m.subarray(C[r],l?m.length:C[r+1]),d=t.length>0&&n.length>0;break;case 1:e="surface",t=u.subarray(B[r],l?u.length:B[r+1]),i=p.subarray(w[r],l?p.length:w[r+1]),n=g.subarray(x[r],l?g.length:x[r+1]),a=m.subarray(C[r],l?m.length:C[r+1]),d=t.length>0&&n.length>0;break;case 2:e="points",t=u.subarray(B[r],l?u.length:B[r+1]),o=LM(f.subarray(P[r],l?f.length:P[r+1])),d=t.length>0;break;case 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n=function(e){return{metadata:e[0],positions:e[1],normals:e[2],colors:e[3],indices:e[4],edgeIndices:e[5],matrices:e[6],reusedGeometriesDecodeMatrix:e[7],eachGeometryPrimitiveType:e[8],eachGeometryPositionsPortion:e[9],eachGeometryNormalsPortion:e[10],eachGeometryColorsPortion:e[11],eachGeometryIndicesPortion:e[12],eachGeometryEdgeIndicesPortion:e[13],eachMeshGeometriesPortion:e[14],eachMeshMatricesPortion:e[15],eachMeshMaterial:e[16],eachEntityId:e[17],eachEntityMeshesPortion:e[18],eachTileAABB:e[19],eachTileEntitiesPortion:e[20]}}(i),a=function(e){function t(e,t){return 0===e.length?[]:OM.inflate(e,t).buffer}return{metadata:JSON.parse(OM.inflate(e.metadata,{to:"string"})),positions:new Uint16Array(t(e.positions)),normals:new Int8Array(t(e.normals)),colors:new Uint8Array(t(e.colors)),indices:new Uint32Array(t(e.indices)),edgeIndices:new Uint32Array(t(e.edgeIndices)),matrices:new Float32Array(t(e.matrices)),reusedGeometriesDecodeMatrix:new Float32Array(t(e.reusedGeometriesDecodeMatrix)),eachGeometryPrimitiveType:new Uint8Array(t(e.eachGeometryPrimitiveType)),eachGeometryPositionsPortion:new Uint32Array(t(e.eachGeometryPositionsPortion)),eachGeometryNormalsPortion:new Uint32Array(t(e.eachGeometryNormalsPortion)),eachGeometryColorsPortion:new Uint32Array(t(e.eachGeometryColorsPortion)),eachGeometryIndicesPortion:new Uint32Array(t(e.eachGeometryIndicesPortion)),eachGeometryEdgeIndicesPortion:new Uint32Array(t(e.eachGeometryEdgeIndicesPortion)),eachMeshGeometriesPortion:new Uint32Array(t(e.eachMeshGeometriesPortion)),eachMeshMatricesPortion:new Uint32Array(t(e.eachMeshMatricesPortion)),eachMeshMaterial:new Uint8Array(t(e.eachMeshMaterial)),eachEntityId:JSON.parse(OM.inflate(e.eachEntityId,{to:"string"})),eachEntityMeshesPortion:new Uint32Array(t(e.eachEntityMeshesPortion)),eachTileAABB:new Float64Array(t(e.eachTileAABB)),eachTileEntitiesPortion:new Uint32Array(t(e.eachTileEntitiesPortion))}}(n);!function(e,t,i,s,r,o){const 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Q=gi.createPositionsDecodeMatrix(U),V={};for(let r=a;r<=D;r++){const a=C[r],E=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,F=r===S-1,D=M[r],T=F?w.length-1:M[r+1]-1,k=[],N=e.metaScene.metaObjects[E],H={},j={};if(N){if(t.excludeTypesMap&&N.type&&t.excludeTypesMap[N.type])continue;if(t.includeTypesMap&&N.type&&!t.includeTypesMap[N.type])continue;const e=t.objectDefaults?t.objectDefaults[N.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(H.visible=!1),!1===e.pickable&&(H.pickable=!1),e.colorize&&(j.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(j.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(j.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(j.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=D;e<=T;e++){const r=w[e],a=R[r]>1,C=r===I-1,M=QM(x.subarray(6*e,6*e+3)),E=x[6*e+3]/255,F=x[6*e+4]/255,D=x[6*e+5]/255,S=o.getNextId();if(a){const o=P[e],a=p.slice(o,o+16),w=`${n}-geometry.${i}.${r}`;let x=O[w];if(!x){x={batchThisMesh:!t.reuseGeometries};let e=!1;switch(g[r]){case 0:x.primitiveName="solid",x.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),x.geometryNormals=A.subarray(_[r],C?A.length:_[r+1]),x.geometryIndices=c.subarray(b[r],C?c.length:b[r+1]),x.geometryEdgeIndices=u.subarray(B[r],C?u.length:B[r+1]),e=x.geometryPositions.length>0&&x.geometryIndices.length>0;break;case 1:x.primitiveName="surface",x.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),x.geometryNormals=A.subarray(_[r],C?A.length:_[r+1]),x.geometryIndices=c.subarray(b[r],C?c.length:b[r+1]),x.geometryEdgeIndices=u.subarray(B[r],C?u.length:B[r+1]),e=x.geometryPositions.length>0&&x.geometryIndices.length>0;break;case 2:x.primitiveName="points",x.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),x.geometryColors=h.subarray(v[r],C?h.length:v[r+1]),e=x.geometryPositions.length>0;break;case 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r=i===H-1,a=U[i],l=r?V-1:U[i+1]-1,A=6*i,h=L.subarray(A,A+6);d.getAABB3Center(h,G),z[0]=h[0]-G[0],z[1]=h[1]-G[1],z[2]=h[2]-G[2],z[3]=h[3]-G[0],z[4]=h[4]-G[1],z[5]=h[5]-G[2];const _=gi.createPositionsDecodeMatrix(z),O={};for(let r=a;r<=l;r++){const a=T[r],l=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,A=r===V-1,h=R[r],L=A?F.length-1:R[r+1]-1,U=[],k=e.metaScene.metaObjects[l],Q={},H={};if(k){if(t.excludeTypesMap&&k.type&&t.excludeTypesMap[k.type])continue;if(t.includeTypesMap&&k.type&&!t.includeTypesMap[k.type])continue;const e=t.objectDefaults?t.objectDefaults[k.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(Q.visible=!1),!1===e.pickable&&(Q.pickable=!1),e.colorize&&(H.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(H.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(H.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(H.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=h;e<=L;e++){const r=F[e],a=j[r]>1,l=r===N-1,A=D[e],h=A>=0?`${n}-textureSet-${A}`:null,T=YM(S.subarray(6*e,6*e+3)),R=S[6*e+3]/255,L=S[6*e+4]/255,k=S[6*e+5]/255,Q=o.getNextId();if(a){const o=I[e],a=v.slice(o,o+16),A=`${n}-geometry.${i}.${r}`;let F=K[A];if(!F){F={batchThisMesh:!t.reuseGeometries};let e=!1;switch(B[r]){case 0:F.primitiveName="solid",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryNormals=u.subarray(P[r],l?u.length:P[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 1:F.primitiveName="surface",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryNormals=u.subarray(P[r],l?u.length:P[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 2:F.primitiveName="points",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryColors=p.subarray(x[r],l?p.length:x[r+1]),e=F.geometryPositions.length>0;break;case 3:F.primitiveName="lines",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 4:F.primitiveName="lines",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryIndices=ZM(F.geometryPositions,g.subarray(M[r],l?g.length:M[r+1])),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;default:continue}if(e||(F=null),F&&(F.geometryPositions.length,F.batchThisMesh)){F.decompressedPositions=new Float32Array(F.geometryPositions.length),F.transformedAndRecompressedPositions=new Uint16Array(F.geometryPositions.length);const e=F.geometryPositions,t=F.decompressedPositions;for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]*b[0]+b[12],t[i+1]=e[i+1]*b[5]+b[13],t[i+2]=e[i+2]*b[10]+b[14];F.geometryPositions=null,K[A]=F}}if(F)if(F.batchThisMesh){const e=F.decompressedPositions,t=F.transformedAndRecompressedPositions;for(let i=0,s=e.length;i<s;i+=3)XM[0]=e[i+0],XM[1]=e[i+1],XM[2]=e[i+2],XM[3]=1,d.transformVec4(a,XM,JM),gi.compressPosition(JM,z,XM),t[i+0]=XM[0],t[i+1]=XM[1],t[i+2]=XM[2];s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:F.primitiveName,positionsCompressed:t,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q)}else O[A]||(s.createGeometry({id:A,primitive:F.primitiveName,positionsCompressed:F.geometryPositions,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:b}),O[A]=!0),s.createMesh(y.apply(H,{id:Q,geometryId:A,textureSetId:h,matrix:a,color:T,metallic:L,roughness:k,opacity:R,origin:G})),U.push(Q)}else{let e,t,i,o,n,a,A,d=!1;switch(B[r]){case 0:e="solid",t=c.subarray(w[r],l?c.length:w[r+1]),i=u.subarray(P[r],l?u.length:P[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 1:e="surface",t=c.subarray(w[r],l?c.length:w[r+1]),i=u.subarray(P[r],l?u.length:P[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 2:e="points",t=c.subarray(w[r],l?c.length:w[r+1]),n=p.subarray(x[r],l?p.length:x[r+1]),d=t.length>0;break;case 3:e="lines",t=c.subarray(w[r],l?c.length:w[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),d=t.length>0&&a.length>0;break;case 4:e="lines",t=c.subarray(w[r],l?c.length:w[r+1]),a=ZM(t,g.subarray(M[r],l?g.length:M[r+1])),d=t.length>0&&a.length>0;break;default:continue}d&&(s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:e,positionsCompressed:t,normalsCompressed:i,uv:o&&o.length>0?o:null,colorsCompressed:n,indices:a,edgeIndices:A,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q))}}U.length>0&&s.createEntity(y.apply(Q,{id:l,isObject:!0,meshIds:U}))}}}(e,t,n,s,r,o)}},$M={};$M[cM.version]=cM,$M[pM.version]=pM,$M[mM.version]=mM,$M[bM.version]=bM,$M[wM.version]=wM,$M[CM.version]=CM,$M[IM.version]=IM,$M[UM.version]=UM,$M[VM.version]=VM,$M[WM.version]=WM,$M[qM.version]=qM;class eE extends z{constructor(e,t={}){super("XKTLoader",e,t),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this.textureTranscoder=t.textureTranscoder,this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,this.reuseGeometries=t.reuseGeometries}get supportedVersions(){return Object.keys($M)}get textureTranscoder(){return this._textureTranscoder}set textureTranscoder(e){this._textureTranscoder=e}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new aM}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||aC}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}get reuseGeometries(){return this._reuseGeometries}set reuseGeometries(e){this._reuseGeometries=!1!==e}load(e={}){if(e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id),!(e.src||e.xkt||e.manifestSrc||e.manifest))throw new Error("XKTLoaderPlugin: load() param expected: src, xkt, manifestSrc or manifestData");const t={},i=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t.reuseGeometries=null!==e.reuseGeometries&&void 0!==e.reuseGeometries?e.reuseGeometries:!1!==this._reuseGeometries,i){t.includeTypesMap={};for(let e=0,s=i.length;e<s;e++)t.includeTypesMap[i[e]]=!0}if(s){t.excludeTypesMap={};for(let e=0,i=s.length;e<i;e++)t.excludeTypesMap[s[e]]=!0}r&&(t.objectDefaults=r),t.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,t.globalizeObjectIds=void 0!==e.globalizeObjectIds&&null!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds;const o=new Au(this.viewer.scene,y.apply(e,{isModel:!0,textureTranscoder:this._textureTranscoder,maxGeometryBatchSize:this._maxGeometryBatchSize,origin:e.origin,disableVertexWelding:e.disableVertexWelding||!1,disableIndexRebucketing:e.disableIndexRebucketing||!1,dtxEnabled:e.dtxEnabled,renderOrder:e.renderOrder})),n=o.id,a=new rp({metaScene:this.viewer.metaScene,id:n});this.viewer.scene.canvas.spinner.processes++;const l=()=>{o.destroyed||(o.finalize(),a.finalize(),this.viewer.scene.canvas.spinner.processes--,o.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(a.id)})),this.scheduleTask((()=>{o.destroyed||(o.scene.fire("modelLoaded",o.id),o.fire("loaded",!0,!1))})))},A=e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e),o.fire("error",e)};let h=0;const c={getNextId:()=>`${n}.${h++}`};if(e.metaModelSrc||e.metaModelData)if(e.metaModelSrc){const r=e.metaModelSrc;this._dataSource.getMetaModel(r,(r=>{o.destroyed||(a.loadData(r,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()))}),(e=>{A(`load(): Failed to load model metadata for model '${n} from  '${r}' - ${e}`)}))}else e.metaModelData&&(a.loadData(e.metaModelData,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()));else if(e.src)this._loadModel(e.src,t,o,a,c,l,A);else if(e.xkt)this._parseModel(e.xkt,t,o,a,c),l();else if(e.manifestSrc||e.manifest){const r=e.manifestSrc?function(e){e.indexOf("?")>-1&&(e=e.split("?")[0]);const t=e.split("/");return t.pop(),t.join("/")+"/"}(e.manifestSrc):"",n=(e,n,l)=>{let A=0;const h=()=>{o.destroyed||A>=e.length?n():this._dataSource.getMetaModel(`${r}${e[A]}`,(e=>{a.loadData(e,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),A++,this.scheduleTask(h,200)}),l)};h()},h=(e,i,s)=>{let n=0;const a=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,null,c),o.preFinalize(),n++,this.scheduleTask(a,200)}),s)};a()},u=(e,i,s)=>{let n=0;const l=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,a,c),o.preFinalize(),n++,this.scheduleTask(l,200)}),s)};l()};if(e.manifest){const t=e.manifest,i=t.xktFiles;if(!i||0===i.length)return void A("load(): Failed to load model manifest - manifest not valid");const s=t.metaModelFiles;s?n(s,(()=>{h(i,l,A)}),A):u(i,l,A)}else this._dataSource.getManifest(e.manifestSrc,(e=>{if(o.destroyed)return;const t=e.xktFiles;if(!t||0===t.length)return void A("load(): Failed to load model manifest - manifest not valid");const i=e.metaModelFiles;i?n(i,(()=>{h(t,l,A)}),A):u(t,l,A)}),A)}return o}_loadModel(e,t,i,s,r,o,n){this._dataSource.getXKT(e,(e=>{this._parseModel(e,t,i,s,r),i.preFinalize(),o()}),n)}async _parseModel(e,t,i,s,r){if(i.destroyed)return;const o=new DataView(e),n=new Uint8Array(e),a=o.getUint32(0,!0),l=$M[a];if(!l)return void this.error("Unsupported .XKT file version: "+a+" - this XKTLoaderPlugin supports versions "+Object.keys($M));if(l.parseArrayBuffer)return void l.parseArrayBuffer(this.viewer,t,e,i,s,r);const A=o.getUint32(4,!0),h=[];let c=4*(A+2);for(let e=0;e<A;e++){const t=o.getUint32(4*(e+2),!0);h.push(n.subarray(c,c+t)),c+=t}l.parse(this.viewer,t,h,i,s,r)}}var tE={};!function(e){var t,i="File 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t=this;t.size=0,t.init=function(i){t.size=e.size,i()},t.readUint8Array=function(t,i,s,r){var o=new FileReader;o.onload=function(e){s(new Uint8Array(e.target.result))},o.onerror=r;try{o.readAsArrayBuffer(function(e,t,i){if(t<0||i<0||t+i>e.size)throw new RangeError("offset:"+t+", length:"+i+", size:"+e.size);return e.slice?e.slice(t,t+i):e.webkitSlice?e.webkitSlice(t,t+i):e.mozSlice?e.mozSlice(t,t+i):e.msSlice?e.msSlice(t,t+i):void 0}(e,t,i))}catch(e){r(e)}}}function p(){}function f(e){var i,s=this;s.init=function(e){i=new Blob([],{type:n}),e()},s.writeUint8Array=function(e,s){i=new Blob([i,t?e:e.buffer],{type:n}),s()},s.getData=function(t,s){var r=new FileReader;r.onload=function(e){t(e.target.result)},r.onerror=s,r.readAsText(i,e)}}function g(t){var i=this,s="",r="";i.init=function(e){s+="data:"+(t||"")+";base64,",e()},i.writeUint8Array=function(t,i){var 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i=t.children,s=0,r=i.length;s<r;s++){var o=i[s];if("Viewpoint"===o.type){var n=o.children;e.modelNode.viewpoint={};for(var a=0,l=n.length;a<l;a++){var A=n[s];switch(A.type){case"Position":e.modelNode.viewpoint.eye=g(A.children[0],3);break;case"Sight":e.modelNode.viewpoint.look=g(A.children[0],3);break;case"Up":e.modelNode.viewpoint.up=g(A.children[0],3)}}}}}function a(e,t,i){for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];if("XMLRepresentation"===n.type)l(e,n,i)}}function l(e,t,i){for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];if("Root"===n.type)A(e,n,i)}}function A(e,t,i){t["xsi:type"];for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];if("Rep"===n.type)h(e,n,i)}}function h(e,t,i){t["xsi:type"];for(var s={edgeThreshold:e.edgeThreshold||30,compressGeometry:!0},r=t.children,o=0,n=r.length;o<n;o++){var a=r[o];switch(a.type){case"Rep":h(e,a,i);break;case"Edges":break;case"Faces":s.primitive="triangles",c(e,a,s);break;case"VertexBuffer":f(e,a,s);break;case"SurfaceAttributes":m(e,a,s)}}if(s.positions){var l=new vi(e.modelNode,s);i[l.id]={geometry:l,color:s.color||[1,1,1,1],materialId:s.materialId}}}function c(e,t,i){for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];if("Face"===n.type)u(e,n,i)}}function u(e,t,i){var s=t.strips;if(s){var r=function(e){for(var t=e.split(","),i=[],s=0,r=t.length;s<r;s++){var o=t[s].trim();if(o.length>0){for(var n=o.trim().split(" "),a=new Int16Array(n.length),l=0,A=0,h=n.length;A<h;A++)""!==n[A]&&(a[l++]=parseInt(n[A]));i.push(a)}}return i}(s);if(r.length>0){i.primitive="triangles";for(var o=[],n=0,a=r.length;n<a;n++)for(var l=p(r[n]),A=0,h=l.length;A<h;A++)o.push(l[A]);i.indices=o}}else{var c=t.triangles;c&&(i.primitive="triangles",i.indices=function(e){e=e.trim().split(" ");for(var t=new Int32Array(e.length),i=0,s=e.length;i<s;i++){var r=e[i];t[i]=parseInt(r)}return t}(c))}var u=t.children;for(n=0,a=u.length;n<a;n++){var d=u[n];if("SurfaceAttributes"===d.type)m(e,d,i)}}function p(e){for(var t=[],i=0,s=e.length;i<s-2;i++)1&i?(t.push(e[i]),t.push(e[i+2]),t.push(e[i+1])):(t.push(e[i]),t.push(e[i+1]),t.push(e[i+2]));return t}function f(e,t,i){for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];switch(n.type){case"Positions":i.positions=g(n.children[0],3);break;case"Normals":i.normals=g(n.children[0],3);break;case"TextureCoordinates":i.uv=g(n.children[0],2)}}}function g(e,t){e=e.split(",");for(var i=new Float32Array(e.length*t),s=0,r=0,o=e.length;r<o;r++)for(var n=e[r],a=0,l=(n=n.split(" ")).length;a<l;a++)""!==n[a]&&(i[s++]=parseFloat(n[a]));return i}function m(e,t,i){i.color=[1,1,1,1];for(var s,r,o=t.children,n=0,a=o.length;n<a;n++){var l=o[n];switch(l.type){case"Color":i.color[0]=l.red,i.color[1]=l.green,i.color[2]=l.blue,i.color[3]=l.alpha;break;case"MaterialApplication":for(var A=l.children,h=0,c=A.length;h<c;h++){var u=A[h];if("MaterialId"===u.type){var d=(s=u.id,r=void 0,-1!==(r=s.lastIndexOf("#"))?s.substring(r+1):s);e.materials[d]||e.plugin.error("material  not found: "+d),i.materialId=d}}}}}}();function aE(e,t,i){var s={};!function r(o,n){if(o>=t.length)i();else{var a=t[o].id,l=a.lastIndexOf(":");l>0&&(a=a.substring(l+1));var A=a.lastIndexOf("#");A>0&&(a=a.substring(0,A)),s[a]?r(o+1):function(e,t,i){e.zip.getFile(t,(function(t,s){!function(e,t,i){for(var s,r=t.children,o=0,n=r.length;o<n;o++)"Model_3dxml"===(s=r[o]).type&&lE(e,s,i)}(e,s,i)}))}(e,a,(function(){s[a]=!0,r(o+1)}))}}(0)}function lE(e,t,i){for(var s,r=t.children,o=0,n=r.length;o<n;o++)"CATMaterialRef"===(s=r[o]).type&&AE(e,s,i)}function AE(e,t,i){for(var s={},r=t.children,o=0,n=0,a=r.length;n<a;n++){if("MaterialDomainInstance"===(d=r[n]).type){for(var l,A,h=0,c=d.children.length;h<c;h++){var 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n,a,l,A,h={},c={},u=o.children;for(n=0,a=u.length;n<a;n++)switch((l=u[n]).Name){case"AmbientCoef":h.ambient=parseFloat(l.Value);break;case"DiffuseCoef":h.diffuse=parseFloat(l.Value);break;case"EmissiveCoef":h.emissive=parseFloat(l.Value);break;case"SpecularExponent":h.specular=parseFloat(l.Value)}for(n=0,a=u.length;n<a;n++)switch((l=u[n]).Name){case"AmbientColor":c.ambient=uE(l.Value,h.ambient);break;case"DiffuseColor":c.diffuse=uE(l.Value,h.diffuse);break;case"EmissiveColor":c.emissive=uE(l.Value,h.emissive);break;case"SpecularColor":c.specular=uE(l.Value,h.specular);break;case"Transparency":var d=1-parseFloat(l.Value);d<1&&(c.alpha=d,c.alphaMode="blend")}switch(e.materialType){case"MetallicMaterial":A=new ho(e.modelNode,{baseColor:c.diffuse,metallic:.7,roughness:.5,emissive:c.emissive,alpha:c.alpha,alphaMode:c.alphaMode});break;case"SpecularMaterial":A=new po(e.modelNode,{diffuse:c.diffuse,specular:c.specular,glossiness:.5,emissive:c.emissive,alpha:c.alpha,alphaMode:c.alphaMode});break;default:A=new Pi(e.modelNode,{reflectivity:.5,ambient:c.ambient,diffuse:c.diffuse,specular:c.specular,emissive:c.emissive,alphaMode:c.alphaMode,alpha:t.alpha})}return A}}}}function uE(e,t){t=void 0!==t?t:.5;var i=e.indexOf("["),s=e.indexOf("]");e=(e=e.substring(i+1,s-i)).split(",");for(var r=new Float32Array(e.length),o=0,n=0,a=e.length;n<a;n++)for(var l=e[n],A=0,h=(l=l.trim().split(" ")).length;A<h;A++)""!==l[A]&&(r[o++]=parseFloat(l[A])*t);return r}var dE=function(){var e={};function t(e,i){if(e.nodeType===e.TEXT_NODE){var s=e.nodeValue;if(null===s.match(/^\s+$/))return s}else if(e.nodeType===e.ELEMENT_NODE||e.nodeType===e.DOCUMENT_NODE){var r={type:e.nodeName,children:[]};if(e.nodeType===e.ELEMENT_NODE)for(var o=0;o<e.attributes.length;o++){var n=e.attributes[o];r[i[n.nodeName]||n.nodeName]=n.nodeValue}for(var a=0;a<e.childNodes.length;a++){(o=t(e.childNodes[a],i))&&r.children.push(o)}return r}}this.load=function(t,i,s){iE.createReader(new iE.HttpReader(t),(function(t){t.getEntries((function(t){if(t.length>0)for(var s=0,r=t.length;s<r;s++){var o=t[s];e[o.filename]=o}i()}))}),s)},this.getFile=function(i,s,r){var o=e[i];if(!o){var n="ZIP entry not found: "+i;return console.error(n),void(r&&r(n))}o.getData(new iE.TextWriter,(function(e){var i=(new DOMParser).parseFromString(e,"text/xml"),r=t(i,{});s(i,r)}))},this.destroy=function(){undefined.close((function(){}))}};function pE(e){var t="urn:3DXML:";return 0===e.indexOf(t)?e.substring(t.length):e}class fE extends z{constructor(e,t={}){super("XML3DLoader",e,t),t.workerScriptsPath?(this._workerScriptsPath=t.workerScriptsPath,this._loader=new rE(this,t),this.supportedSchemas=this._loader.supportedSchemas):this.error("Config expected: workerScriptsPath")}load(e={}){e.workerScriptsPath=this._workerScriptsPath,e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new no(this.viewer.scene,y.apply(e,{isModel:!0})),i=e.src;return i?(this._loader.load(this,t,i,e),t):(this.error("load() param expected: src"),t)}}class gE{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getIFC(e,t,i){e=this._cacheBusterURL(e);var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}class mE extends z{constructor(e,t={}){if(super("ifcLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,!t.WebIFC)throw"Parameter expected: WebIFC";if(!t.IfcAPI)throw"Parameter expected: IfcAPI";this._webIFC=t.WebIFC,this._ifcAPI=t.IfcAPI}get supportedVersions(){return["2x3","4"]}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new gE}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||aC}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Au(this.viewer.scene,y.apply(e,{isModel:!0}));if(!e.src&&!e.ifc)return this.error("load() param expected: src or IFC"),t;const i={autoNormals:!0};if(!1!==e.loadMetadata){const t=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t){i.includeTypesMap={};for(let e=0,s=t.length;e<s;e++)i.includeTypesMap[t[e]]=!0}if(s){i.excludeTypesMap={};for(let e=0,t=s.length;e<t;e++)i.excludeTypesMap[s[e]]=!0}r&&(i.objectDefaults=r),i.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds}try{e.src?this._loadModel(e.src,e,i,t):this._parseModel(e.ifc,e,i,t)}catch(e){this.error(e),t.fire("error",e)}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getIFC(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=t.stats||{};if(r.sourceFormat="IFC",r.schemaVersion="",r.title="",r.author="",r.created="",r.numMetaObjects=0,r.numPropertySets=0,r.numObjects=0,r.numGeometries=0,r.numTriangles=0,r.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";const o=new Uint8Array(e),n=this._ifcAPI.OpenModel(o),a=this._ifcAPI.GetModelSchema(n),l=this._ifcAPI.GetLineIDsWithType(n,this._webIFC.IFCPROJECT).get(0),A=!1!==t.loadMetadata,h={modelID:n,modelSchema:a,sceneModel:s,loadMetadata:A,metadata:A?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:r};if(A){if(i.includeTypes){h.includeTypes={};for(let e=0,t=i.includeTypes.length;e<t;e++)h.includeTypes[i.includeTypes[e]]=!0}if(i.excludeTypes){h.excludeTypes={};for(let e=0,t=i.excludeTypes.length;e<t;e++)h.excludeTypes[i.excludeTypes[e]]=!0}this._parseMetaObjects(h),this._parsePropertySets(h)}if(this._parseGeometry(h),s.finalize(),A){const e=s.id;this.viewer.metaScene.createMetaModel(e,h.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_parseMetaObjects(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}_parseSpatialChildren(e,t,i){const s=this._ifcAPI.GetNameFromTypeCode(t.type);if(e.includeTypes&&!e.includeTypes[s])return;if(e.excludeTypes&&e.excludeTypes[s])return;this._createMetaObject(e,t,i);const r=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,r),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,r)}_createMetaObject(e,t,i){const s=t.GlobalId.value,r=this._ifcAPI.GetNameFromTypeCode(t.type),o={id:s,name:t.Name&&""!==t.Name.value?t.Name.value:r,type:r,parent:i};e.metadata.metaObjects.push(o),e.metaObjects[s]=o,e.stats.numMetaObjects++}_parseRelatedItemsOfType(e,t,i,s,r,o){const n=this._ifcAPI.GetLineIDsWithType(e.modelID,r);for(let r=0;r<n.size();r++){const a=n.get(r),l=this._ifcAPI.GetLine(e.modelID,a),A=l[i];let h=!1;if(Array.isArray(A)){h=A.map((e=>e.value)).includes(t)}else h=A.value===t;if(h){const t=l[s];if(Array.isArray(t))t.forEach((t=>{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}));else{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}}}}_parsePropertySets(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES);for(let i=0;i<t.size();i++){let s=t.get(i),r=this._ifcAPI.GetLine(e.modelID,s,!0);if(r){const t=r.RelatingPropertyDefinition;if(!t)continue;const i=t.GlobalId.value,s=t.HasProperties;if(s&&s.length>0){const o="Default",n=t.Name.value,a=[];for(let e=0,t=s.length;e<t;e++){const t=s[e],i=t.Name,r=t.NominalValue;if(i&&r){const e={name:i.value,type:r.type,value:r.value,valueType:r.valueType};t.Description?e.description=t.Description.value:r.description&&(e.description=r.description),a.push(e)}}const l={id:i,type:o,name:n,properties:a};e.metadata.propertySets.push(l),e.stats.numPropertySets++;const A=r.RelatedObjects;if(!A||0===A.length)return;for(let t=0,s=A.length;t<s;t++){const s=A[t].GlobalId.value,r=e.metaObjects[s];r&&(r.propertySetIds||(r.propertySetIds=[]),r.propertySetIds.push(i))}}}}}_parseGeometry(e){this._ifcAPI.StreamAllMeshes(e.modelID,(t=>{const i=t.expressID,s=t.geometries,r=[],o=this._ifcAPI.GetLine(e.modelID,i).GlobalId.value;if(e.loadMetadata){const t=o,i=e.metaObjects[t];if(e.includeTypes&&(!i||!e.includeTypes[i.type]))return;if(e.excludeTypes&&(!i||e.excludeTypes[i.type]))return}const n=d.mat4(),a=d.vec3();for(let t=0,i=s.size();t<i;t++){const i=s.get(t),o=this._ifcAPI.GetGeometry(e.modelID,i.geometryExpressID),l=this._ifcAPI.GetVertexArray(o.GetVertexData(),o.GetVertexDataSize()),A=this._ifcAPI.GetIndexArray(o.GetIndexData(),o.GetIndexDataSize()),h=new Float64Array(l.length/2),c=new Float32Array(l.length/2);for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)h[t+0]=l[6*e+0],h[t+1]=l[6*e+1],h[t+2]=l[6*e+2];n.set(i.flatTransformation),d.transformPositions3(n,h);const u=te(h,h,a);if(!e.options.autoNormals)for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)c[t+0]=l[6*e+3],c[t+1]=l[6*e+4],c[t+2]=l[6*e+5];e.stats.numGeometries++,e.stats.numVertices+=h.length/3,e.stats.numTriangles+=A.length/3;const p="mesh"+e.nextId++;e.sceneModel.createMesh({id:p,primitive:"triangles",origin:u?a:null,positions:h,normals:e.options.autoNormals?null:c,indices:A,color:[i.color.x,i.color.y,i.color.z],opacity:i.color.w}),r.push(p)}const l=e.options.globalizeObjectIds?d.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:l,meshIds:r,isObject:!0}),e.stats.numObjects++}))}}class _E{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getLAS(e,t,i){e=this._cacheBusterURL(e);var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}const vE={name:"LAS",id:"las",module:"las",version:"3.2.6",worker:!0,extensions:["las","laz"],mimeTypes:["application/octet-stream"],text:!0,binary:!0,tests:["LAS"],options:{las:{shape:"mesh",fp64:!1,skip:1,colorDepth:8}}},bE=[{item:"FileSignature",format:"char",size:4},{item:"FileSoureceID",format:"uShort",size:2},{item:"GlobalEncoding",format:"uShort",size:2},{item:"ProjectID1",format:"notUsed",size:4},{item:"ProjectID2",format:"notUsed",size:2},{item:"ProjectID3",format:"notUsed",size:2},{item:"ProjectID4",format:"notUsed",size:8},{item:"VersionMajor",format:"uChar",size:1},{item:"VersionMinor",format:"uChar",size:1},{item:"SystemIdentifier",format:"char",size:32},{item:"GeneratingSoftware",format:"char",size:32},{item:"CreationDay",format:"uShort",size:2},{item:"CreationYear",format:"uShort",size:2},{item:"HeaderSize",format:"uShort",size:2},{item:"OffsetToPointData",format:"uLong",size:4},{item:"NumberOfVariableLengthRecords",format:"uLong",size:4},{item:"PointDataFormatID",format:"uChar",size:1},{item:"PointDataRecordLength",format:"uShort",size:2},{item:"NumberOfPoints",format:"uLong",size:4},{item:"NumberOfPointByReturn",format:"uLong",size:20},{item:"ScaleFactorX",format:"double",size:8},{item:"ScaleFactorY",format:"double",size:8},{item:"ScaleFactorZ",format:"double",size:8},{item:"OffsetX",format:"double",size:8},{item:"OffsetY",format:"double",size:8},{item:"OffsetZ",format:"double",size:8},{item:"MaxX",format:"double",size:8},{item:"MinX",format:"double",size:8},{item:"MaxY",format:"double",size:8},{item:"MinY",format:"double",size:8},{item:"MaxZ",format:"double",size:8},{item:"MinZ",format:"double",size:8}],yE=[{item:"Reserved",format:"uShort",size:2},{item:"UserId",format:"char",size:16},{item:"RecordId",format:"uShort",size:2},{item:"RecordLengthAfterHeader",format:"uShort",size:2},{item:"Description",format:"char",size:32}],BE=e=>{let t=0,i=0,s=0;const r=new DataView(e),o=new Uint8Array(6e3),n=({item:s,format:o,size:n})=>{let a,l;switch(o){case"char":return l=new Uint8Array(e,t,n),t+=n,a=PE(l),[s,a];case"uShort":return a=r.getUint16(t,!0),t+=n,[s,a];case"uLong":return a=r.getUint32(t,!0),"NumberOfVariableLengthRecords"===s&&(i=a),t+=n,[s,a];case"uChar":return a=r.getUint8(t),t+=n,[s,a];case"double":return a=r.getFloat64(t,!0),t+=n,[s,a];default:t+=n}};return(()=>{const e={};bE.forEach((t=>{const i=n({...t});if(void 0!==i){if("FileSignature"===i[0]&&"LASF"!==i[1])throw new Error("Ivalid FileSignature. 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Au(this.viewer.scene,y.apply(e,{maxGeometryBatchSize:5e5,isModel:!0}));if(!e.src&&!e.las)return this.error("load() param expected: src or las"),t;const i={las:{skip:this._skip,fp64:this._fp64,colorDepth:this._colorDepth}};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.las,e,i,t).then((()=>{s.processes--}),(e=>{s.processes--,this.error(e),t.fire("error",e)}))}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getLAS(t.src,(e=>{this._parseModel(e,t,i,s).then((()=>{r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){const r=e=>{const t=e.value;if(this._center){const e=d.vec3(),i=t.length;for(let i=0,s=t.length;i<s;i+=3)e[0]+=t[i+0],e[1]+=t[i+1],e[2]+=t[i+2];e[0]/=i,e[1]/=i,e[2]/=i;for(let i=0,s=t.length;i<s;i+=3)t[i+0]-=e[0],t[i+1]-=e[1],t[i+2]-=e[2]}if(this._rotateX&&t)for(let 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ZE(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function qE(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function $E(e,t,i,s){for(var r=0,o=t,n=i-s;o<i;o+=s)r+=(e[n]-e[o])*(e[o+1]+e[n+1]),n=o;return r}EE.deviation=function(e,t,i,s){var r=t&&t.length,o=r?t[0]*i:e.length,n=Math.abs($E(e,0,o,i));if(r)for(var a=0,l=t.length;a<l;a++){var A=t[a]*i,h=a<l-1?t[a+1]*i:e.length;n-=Math.abs($E(e,A,h,i))}var c=0;for(a=0;a<s.length;a+=3){var u=s[a]*i,d=s[a+1]*i,p=s[a+2]*i;c+=Math.abs((e[u]-e[p])*(e[d+1]-e[u+1])-(e[u]-e[d])*(e[p+1]-e[u+1]))}return 0===n&&0===c?0:Math.abs((c-n)/n)},EE.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},s=0,r=0;r<e.length;r++){for(var o=0;o<e[r].length;o++)for(var n=0;n<t;n++)i.vertices.push(e[r][o][n]);r>0&&(s+=e[r-1].length,i.holes.push(s))}return i};const eF=d.vec2(),tF=d.vec3(),iF=d.vec3(),sF=d.vec3();class rF extends z{constructor(e,t={}){super("cityJSONLoader",e,t),this.dataSource=t.dataSource}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new ME}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Au(this.viewer.scene,y.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;const i={};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.cityJSON,e,i,t),s.processes--}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getCityJSON(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,o=t.stats||{};o.sourceFormat=e.type||"CityJSON",o.schemaVersion=e.version||"",o.title="",o.author="",o.created="",o.numMetaObjects=0,o.numPropertySets=0,o.numObjects=0,o.numGeometries=0,o.numTriangles=0,o.numVertices=0;const n=!1!==t.loadMetadata,a=n?{id:d.createUUID(),name:"Model",type:"Model"}:null,l=n?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,A={data:e,vertices:r,sceneModel:s,loadMetadata:n,metadata:l,rootMetaObject:a,nextId:0,stats:o};if(this._parseCityJSON(A),s.finalize(),n){const e=s.id;this.viewer.metaScene.createMetaModel(e,A.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_transformVertices(e,t,i){const s=[],r=t.scale||d.vec3([1,1,1]),o=t.translate||d.vec3([0,0,0]);for(let t=0,n=0;t<e.length;t++,n+=3){const n=e[t][0]*r[0]+o[0],a=e[t][1]*r[1]+o[1],l=e[t][2]*r[2]+o[2];i?s.push([n,l,a]):s.push([n,a,l])}return s}_parseCityJSON(e){const t=e.data.CityObjects;for(const i in t)if(t.hasOwnProperty(i)){const s=t[i];this._parseCityObject(e,s,i)}}_parseCityObject(e,t,i){const s=e.sceneModel,r=e.data;if(e.loadMetadata){const s=i,r=t.type,o=r+" : "+i,n=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:s,name:o,type:r,parent:n})}if(e.stats.numMetaObjects++,!(t.geometry&&t.geometry.length>0))return;const o=[];for(let i=0,s=t.geometry.length;i<s;i++){const s=t.geometry[i];let n,a;const l=r.appearance;if(l){const e=l.materials;if(e){const t=s.material;if(t){const s=Object.keys(t);if(s.length>0){const r=t[s[0]];if(void 0!==r.value)n=e[r.value];else{const t=r.values;if(t){a=[];for(let s=0,r=t.length;s<r;s++){const s=e[t[i]];a.push(s)}}}}}}}a?this._parseGeometrySurfacesWithOwnMaterials(e,s,a,o):this._parseGeometrySurfacesWithSharedMaterial(e,s,n,o)}o.length>0&&(s.createEntity({id:i,meshIds:o,isObject:!0}),e.stats.numObjects++)}_parseGeometrySurfacesWithOwnMaterials(e,t,i,s){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const r=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,r,s);break;case"Solid":const o=t.boundaries;for(let t=0;t<o.length;t++){const r=o[t];this._parseSurfacesWithOwnMaterials(e,i,r,s)}break;case"MultiSolid":case"CompositeSolid":const n=t.boundaries;for(let t=0;t<n.length;t++)for(let r=0;r<n[t].length;r++){const o=n[t][r];this._parseSurfacesWithOwnMaterials(e,i,o,s)}}}_parseSurfacesWithOwnMaterials(e,t,i,s){const r=e.vertices,o=e.sceneModel;for(let n=0;n<i.length;n++){const a=i[n],l=t[n]||{diffuseColor:[.8,.8,.8],transparency:1},A=[],h=[],c=[],u={positions:[],indices:[]};for(let t=0;t<a.length;t++){A.length>0&&h.push(A.length);const i=this._extractLocalIndices(e,a[t],c,u);A.push(...i)}if(3===A.length)u.indices.push(A[0]),u.indices.push(A[1]),u.indices.push(A[2]);else if(A.length>3){const e=[];for(let t=0;t<A.length;t++)e.push({x:r[c[A[t]]][0],y:r[c[A[t]]][1],z:r[c[A[t]]][2]});const t=this._getNormalOfPositions(e,d.vec3());let i=[];for(let s=0;s<e.length;s++)this._to2D(e[s],t,eF),i.unshift(eF[0]),i.unshift(eF[1]);const s=EE(i,h,2);for(let e=0;e<s.length;e+=3)u.indices.unshift(A[s[e]]),u.indices.unshift(A[s[e+1]]),u.indices.unshift(A[s[e+2]])}const p=""+e.nextId++;o.createMesh({id:p,primitive:"triangles",positions:u.positions,indices:u.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),s.push(p),e.stats.numGeometries++,e.stats.numVertices+=u.positions.length/3,e.stats.numTriangles+=u.indices.length/3}}_parseGeometrySurfacesWithSharedMaterial(e,t,i,s){const r=e.sceneModel,o=[],n={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const i=t.boundaries;this._parseSurfacesWithSharedMaterial(e,i,o,n);break;case"Solid":const s=t.boundaries;for(let t=0;t<s.length;t++){const i=s[t];this._parseSurfacesWithSharedMaterial(e,i,o,n)}break;case"MultiSolid":case"CompositeSolid":const r=t.boundaries;for(let t=0;t<r.length;t++)for(let i=0;i<r[t].length;i++){const s=r[t][i];this._parseSurfacesWithSharedMaterial(e,s,o,n)}}if(n.positions.length>0&&n.indices.length>0){const t=""+e.nextId++;r.createMesh({id:t,primitive:"triangles",positions:n.positions,indices:n.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),s.push(t),e.stats.numGeometries++,e.stats.numVertices+=n.positions.length/3,e.stats.numTriangles+=n.indices.length/3}}_parseSurfacesWithSharedMaterial(e,t,i,s){const r=e.vertices;for(let o=0;o<t.length;o++){let n=[],a=[];for(let r=0;r<t[o].length;r++){n.length>0&&a.push(n.length);const l=this._extractLocalIndices(e,t[o][r],i,s);n.push(...l)}if(3===n.length)s.indices.push(n[0]),s.indices.push(n[1]),s.indices.push(n[2]);else if(n.length>3){let e=[];for(let t=0;t<n.length;t++)e.push({x:r[i[n[t]]][0],y:r[i[n[t]]][1],z:r[i[n[t]]][2]});const t=this._getNormalOfPositions(e,d.vec3());let o=[];for(let i=0;i<e.length;i++)this._to2D(e[i],t,eF),o.unshift(eF[0]),o.unshift(eF[1]);const l=EE(o,a,2);for(let e=0;e<l.length;e+=3)s.indices.unshift(n[l[e]]),s.indices.unshift(n[l[e+1]]),s.indices.unshift(n[l[e+2]])}}}_extractLocalIndices(e,t,i,s){const r=e.vertices,o=[];for(let e=0,n=t.length;e<n;e++){const n=t[e];if(i.includes(n)){const e=i.indexOf(n);o.push(e)}else s.positions.push(r[n][0]),s.positions.push(r[n][1]),s.positions.push(r[n][2]),o.push(i.length),i.push(n)}return o}_getNormalOfPositions(e,t){for(let i=0;i<e.length;i++){let s=i+1;s===e.length&&(s=0),t[0]+=(e[i].y-e[s].y)*(e[i].z+e[s].z),t[1]+=(e[i].z-e[s].z)*(e[i].x+e[s].x),t[2]+=(e[i].x-e[s].x)*(e[i].y+e[s].y)}return d.normalizeVec3(t)}_to2D(e,t,i){const s=tF,r=iF,o=sF;s[0]=e.x,s[1]=e.y,s[2]=e.z,r[0]=t.x,r[1]=t.y,r[2]=t.z,o[0]=1.1,o[1]=1.1,o[2]=1.1;d.lenVec3(d.subVec3(o,r))<.01&&(o[0]+=1,o[1]+=2,o[2]+=3);const n=d.dotVec3(o,r),a=d.mulVec3Scalar(r,n,d.vec3());o[0]-=a[0],o[1]-=a[1],o[2]-=a[2],d.normalizeVec3(o);const l=d.cross3Vec3(r,o,d.vec3()),A=d.dotVec3(s,o),h=d.dotVec3(s,l);i[0]=A,i[1]=h}}class oF{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getDotBIM(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}}class nF extends z{constructor(e,t={}){super("DotBIMLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new oF}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||aC}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new Au(this.viewer.scene,y.apply(e,{isModel:!0,backfaces:e.backfaces,dtxEnabled:e.dtxEnabled,rotation:e.rotation,origin:e.origin})),i=t.id;if(!e.src&&!e.dotBIM)return this.error("load() param expected: src or dotBIM"),t;const s=e.objectDefaults||this._objectDefaults||aC;let r,o;if(e.includeTypes){r={};for(let t=0,i=e.includeTypes.length;t<i;t++)r[e.includeTypes[t]]=!0}if(e.excludeTypes){o={},r||(r={});for(let t=0,i=e.excludeTypes.length;t<i;t++)r[e.excludeTypes[t]]=!0}const n=e=>{const t=e.fileData,n=e.sceneModel,a={},l=d.createUUID(),A=d.createUUID(),h=d.createUUID(),c=d.createUUID(),u={metaObjects:[{id:l,name:"Project",type:"Project",parent:null},{id:A,name:"Site",type:"Site",parent:l},{id:h,name:"Building",type:"Building",parent:A},{id:c,name:"BuildingStorey",type:"BuildingStorey",parent:h}],propertySets:[]},p=(e,i)=>{if(a[e])return;const s=t.meshes.find((e=>e.mesh_id===i.mesh_id));n.createGeometry({id:e,primitive:"triangles",positions:s.coordinates,indices:s.indices}),a[e]=!0},f=t.elements;for(let e=0,i=f.length;e<i;e++){const i=f[e],a=i.type;if(o&&o[a])continue;if(r&&!r[a])continue;const l=i.info,A=void 0!==i.guid?`${i.guid}`:void 0!==l&&void 0!==l.id?l.id:e,h=i.mesh_id,d=i.vector,g=i.rotation,m=s?s[a]||s.DEFAULT:null;let _=!0,v=!0;if(void 0===i.face_colors){p(h,i);const e=`${A}-mesh`;let t=i.color?[i.color.r/255,i.color.g/255,i.color.b/255]:[1,1,1],s=i.color?i.color.a/255:1;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(t=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(s=m.opacity)),n.createMesh({id:e,geometryId:h,color:t,opacity:s,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:d?[d.x,d.y,d.z]:void 0}),n.createEntity({id:A,meshIds:[e],visible:_,pickable:v,isObject:!0})}else{let e=i.face_colors,s={},r=0,o=t.meshes.find((e=>e.mesh_id===i.mesh_id));for(let t=0,i=e.length;t<i;t+=4){let i=[e[t],e[t+1],e[t+2],e[t+3]];void 0===s[i]&&(s[i]=[]);let n=o.indices[r],a=o.coordinates[3*n],l=o.coordinates[3*n+1],A=o.coordinates[3*n+2],h=o.indices[r+1],c=o.coordinates[3*h],u=o.coordinates[3*h+1],d=o.coordinates[3*h+2],p=o.indices[r+2],f=o.coordinates[3*p],g=o.coordinates[3*p+1],m=o.coordinates[3*p+2];s[i].push(a,l,A,c,u,d,f,g,m),r+=3}let a=[];for(const[e,t]of Object.entries(s)){n.createGeometry({id:`${h}-${e}`,primitive:"triangles",positions:t,indices:[...Array(t.length/3).keys()]});const i=`${A}-mesh-${e}`,s=e.split(",").map(Number);let r=[s[0]/255,s[1]/255,s[2]/255],o=s[3]/255;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(r=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(o=m.opacity)),n.createMesh({id:i,geometryId:`${h}-${e}`,color:r,opacity:o,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:d?[d.x,d.y,d.z]:void 0}),a.push(i)}n.createEntity({id:A,meshIds:a,visible:_,pickable:v,isObject:!0})}let b=[];for(let e in l)b.push({name:e,value:l[e]});u.propertySets.push({id:A,name:"Properties",properties:b}),u.metaObjects.push({id:A,name:l&&l.Name&&"None"!==l.Name?l.Name:`${i.type} ${A}`,type:i.type,parent:c,propertySetIds:[A]})}n.finalize(),this.viewer.metaScene.createMetaModel(i,u),n.scene.once("tick",(()=>{n.destroyed||(n.scene.fire("modelLoaded",n.id),n.fire("loaded",!0,!1))}))};if(e.src){const i=e.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(i,(e=>{n({fileData:e,sceneModel:t,nextId:0,error:function(e){}}),this.viewer.scene.canvas.spinner.processes--}),(e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e)}))}else if(e.dotBIM){const i={fileData:e.dotBIM,sceneModel:t,nextId:0,error:function(e){}};n(i)}return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}const aF=function(e){const t=t=>parseInt(e.substr(t+1,2),16)/255;return[t(0),t(2),t(4)]},lF=function(e){const t=[];for(let i=0;i<e.length;++i)t.push(i);const i=function(){const i=d.vec2(),s=d.vec2();let r=0;for(let o=0;o<t.length;++o){const n=e[t[o]],a=e[t[(o+1)%t.length]],l=e[t[(o+2)%t.length]];d.subVec2(n,a,i),d.subVec2(l,a,s);const A=d.dotVec2(i,s)/Math.sqrt(d.sqLenVec2(i)*d.sqLenVec2(s)),h=Math.acos(Math.max(-1,Math.min(A,1)));r+=i[0]*s[1]-i[1]*s[0]>=0?h:2*Math.PI-h}return r<t.length*Math.PI}(),s=function(){const e=(e,t,i)=>(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1]);return(t,i,s,r)=>{const o=e(t,i,s),n=e(t,s,r),a=e(t,r,i);return!((o<0||n<0||a<0)&&(o>0||n>0||a>0))}}(),r=[],o=(i?t:t.slice(0).reverse()).map((e=>({idx:e})));o.forEach(((e,t)=>{e.prev=o[(t-1+o.length)%o.length],e.next=o[(t+1)%o.length]}));const n=d.vec2(),a=d.vec2();for(;o.length>2;){let t=0;for(;;){if(t>=o.length)throw`isCCW = ${i}; earIdx = ${t}; len = ${o.length}`;const r=o[t],l=e[r.prev.idx],A=e[r.idx],h=e[r.next.idx];if(d.subVec2(l,A,n),d.subVec2(h,A,a),n[0]*a[1]-n[1]*a[0]>=0&&o.every((t=>t===r||t===r.prev||t===r.next||!s(e[t.idx],l,A,h))))break;++t}const l=o[t];o.splice(t,1),r.push([l.idx,l.next.idx,l.prev.idx]);l.prev.next=l.next;l.next.prev=l.prev}return[e,r,i]},AF=function(e,t){const i=new Le(e,{},e.canvas.canvas.parentNode,{borderColor:"white",fillColor:t,zIndex:100});return{update:function(e){e&&(i.worldPos=e),i.setVisible(!!e)},setHighlighted:e=>i.setHighlighted(e),getCanvasPos:()=>i.canvasPos,getWorldPos:()=>i.worldPos,destroy:()=>i.destroy()}},hF=function(e,t,i){let s=null;const r=r=>{if(r){s&&s.destroy();try{const[o,n]=lF(r.map((e=>[e[0],e[2]]))),a=[].concat(...o.map((e=>[e[0],r[0][1],e[1]]))),l=[].concat(...n);s=new jr(e,{pickable:!1,geometry:new vi(e,{positions:a,indices:l,normals:d.buildNormals(a,l)}),material:new Pi(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:aF(t)})})}catch(e){s=null}}s&&(s.visible=!!r)};return r(null),{updateBase:r,destroy:()=>s&&s.destroy()}},cF=function(e,t){return function(i,s,r){const o=e.scene,n=o.canvas.canvas,a=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,De(n.ownerDocument.documentElement,n,t),t),l=e=>{const i=d.vec3(),s=d.vec3();return d.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,i,s),t(i,s)};let A=!1;const h=function(){A=!1},c=function(){h(),n.removeEventListener("mousedown",p),n.removeEventListener("mousemove",f),e.cameraControl.off(g),n.removeEventListener("mouseup",m)},u=d.vec2(),p=function(e){1===e.which&&(a(e,u),A=!0)};n.addEventListener("mousedown",p);const f=function(e){const t=a(e,d.vec2());A&&d.distVec2(u,t)>20&&(h(),i())};n.addEventListener("mousemove",f);const g=e.cameraControl.on("rayMove",(e=>{const t=e.canvasPos;s(t,l(t))})),m=function(e){if(1===e.which&&A){c();const t=a(e,d.vec2());r(t,l(t))}};return n.addEventListener("mouseup",m),c}},uF=function(e,t,i,s){const r=-(d.dotVec3(i,t)-e)/d.dotVec3(s,t);{const e=d.vec3();return d.mulVec3Scalar(s,r,e),d.addVec3(i,e,e),e}};class dF extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={},this.plugin.viewer.scene,this._geometry=t.geometry,t.onMouseOver,t.onMouseLeave,t.onContextMenu,this._alpha="alpha"in t&&void 0!==t.alpha?t.alpha:.5,this.color=t.color,this._visible=!0,this._rebuildMesh()}_rebuildMesh(){const e=this.plugin.viewer.scene,t=this._geometry.planeCoordinates.slice(),i=this._geometry.height<0,s=this._geometry.altitude+(i?this._geometry.height:0),r=this._geometry.height*(i?-1:1),[o,n,a]=lF(t),l=[],A=[],h=e=>{const t=l.length;for(let t of o)l.push([t[0],s+(e?r:0),t[1]]);for(let i of n)A.push(...(e?i:i.slice(0).reverse()).map((e=>e+t)))};h(!1),h(!0);for(let e=0;e<o.length;++e){const t=o[e],i=o[(o.length+e+(a?1:-1))%o.length],n=s,h=s+r,c=l.length;l.push([t[0],n,t[1]],[i[0],n,i[1]],[i[0],h,i[1]],[t[0],h,t[1]]),A.push(...[0,1,2,0,2,3].map((e=>e+c)))}this._zoneMesh&&this._zoneMesh.destroy();const c=e=>Math.min(...l.map((t=>t[e]))),u=e=>Math.max(...l.map((t=>t[e]))),p=c(0),f=c(1),g=c(2),m=u(0),_=u(1),v=u(2);this._center=d.vec3([(p+m)/2,(f+_)/2,(g+v)/2]);const b=[].concat(...l.map((e=>d.subVec3(e,this._center,e))));this._zoneMesh=new jr(e,{origin:this._center,edges:this._edges,geometry:new vi(e,{positions:b,indices:A,normals:d.buildNormals(b,A)}),material:new Pi(e,{alpha:this._alpha,backfaces:!0,diffuse:aF(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;{const e=d.vec2(),t=d.vec2();let i=0;for(let s of n){const r=o[s[0]],n=o[s[1]],a=o[s[2]];d.subVec2(n,r,e),d.subVec2(a,r,t),i+=Math.abs(e[0]*t[1]-e[1]*t[0])}this._baseArea=i/2}this._metrics=null}get baseArea(){return this._baseArea}get area(){return this._getMetrics().area}get volume(){return this._getMetrics().volume}_getMetrics(){if(null===this._metrics){let e=0,t=0;const i=this._zoneMesh.geometry,s=[d.vec3(),d.vec3(),d.vec3()],r=d.vec3();for(let o=0;o<i.indices.length;o+=3){for(let e=0;e<3;++e){const t=s[e],r=3*i.indices[o+e];for(let e=0;e<3;++e)t[e]=i.positions[r+e]}e+=d.dotVec3(s[0],d.cross3Vec3(s[1],s[2],r)),d.subVec3(s[1],s[0],s[1]),d.subVec3(s[2],s[0],s[2]),t+=d.lenVec3(d.cross3Vec3(s[1],s[2],r))}this._metrics={area:t/2,volume:e/6}}return this._metrics}sectionedAverage(e){const t=this._geometry.planeCoordinates.slice();let i=[];{const e=this._geometry.height,s=this._geometry.altitude,r=s+Math.max(0,e),o=s+Math.min(0,e),n=e=>{const s=t.map((t=>[t[0],e?r:o,t[1]]));i.push(e?s:s.slice(0).reverse())};n(!0),n(!1);const a=(e,i)=>[t[e][0],i,t[e][1]];for(let e=0;e<t.length;++e){const s=(e+1)%t.length;i.push([a(e,o),a(s,o),a(s,r),a(e,r)])}}for(const t of e){const e=t.dir,r=t.dist,o=[];for(const t of i){const i=1e-5,n=0,a=1,l=2,A=3;let h=0;const c=[];for(let s=0;s<t.length;s++){const o=d.dotVec3(e,t[s])+r,A=o<-i?l:o>i?a:n;h|=A,c.push(A)}switch(h){case n:case a:o.push(t);break;case l:break;case A:const i=[];for(let o=0;o<t.length;o++){var s=(o+1)%t.length;const n=c[o],a=c[s],h=t[o],u=t[s];if(n!==l&&i.push(h),(n|a)===A){const t=d.vec3();d.subVec3(u,h,t);const s=-(r+d.dotVec3(e,h))/d.dotVec3(e,t),o=[0,0,0];d.lerpVec3(s,0,1,h,u,o),i.push(o)}}i.length>=3&&o.push(i)}}i=o}if(0===i.length)return null;{const e=d.vec3([0,0,0]),t=new Set;for(const s of i)for(const i of s){const s=i.map((e=>e.toFixed(3))).join(":");t.has(s)||(t.add(s),d.addVec3(e,i,e))}return d.mulVec3Scalar(e,1/t.size,e),e}}get center(){return this._center}get altitude(){return this._geometry.altitude}set altitude(e){this._geometry.altitude=e,this._rebuildMesh()}get height(){return this._geometry.height}set height(e){this._geometry.height=e,this._rebuildMesh()}get highlighted(){return this._highlighted}set highlighted(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}set color(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=aF(this._color))}get color(){return this._color}set alpha(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}get alpha(){return this._alpha}get edges(){return this._edges}set edges(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}set visible(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}get visible(){return this._visible}getJSON(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}duplicate(){return this.plugin.createZone({id:d.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((e=>e.slice())),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}destroy(){this._zoneMesh.destroy(),super.destroy()}}class pF extends R{constructor(e,t,i){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.createSelect3dPoint=i,this._deactivate=null}get active(){return!!this._deactivate}activate(e,t,i,s){if(this._deactivate)return;if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=this.createSelect3dPoint(o,((t,i)=>uF(e,d.vec3([0,1,0]),t,i)));!function o(){const A=hF(n,i,s),h=function(e,t,i,s,r,o){const n=AF(e,t),a=AF(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:()=>{};let A=s((()=>{l(null),n.update(null)}),((e,t)=>{l(e),n.update(t)}),(function(e,t){n.update(t),A=s((function(){l(null),a.update(null),r(null)}),(function(e,i){l(e),a.update(i),r(d.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),n.destroy(),a.destroy(),l(null),o([t,i])}))}));return{deactivate:function(){A(),n.destroy(),a.destroy(),l(null)}}}(n,i,a.pointerLens,l,(e=>{if(e){const t=e[0],i=e[1],s=e=>Math.min(t[e],i[e]),r=e=>Math.max(t[e],i[e]),o=s(0),n=s(1),a=s(2),l=r(0);r(1);const h=r(2);A.updateBase([[o,n,h],[l,n,h],[l,n,a],[o,n,a]])}else A.updateBase(null)}),(n=>{A.destroy();const l=function(e,t,i,s,r,o,n){const a=i=>Math.min(e[i],t[i]),l=i=>Math.max(e[i],t[i]),A=a(0),h=a(2),c=l(0),u=l(2);return n.createZone({id:d.createUUID(),geometry:{planeCoordinates:[[A,u],[c,u],[c,h],[A,h]],altitude:i,height:s},alpha:o,color:r})}(n[0],n[1],e,t,i,s,r);let h=!0;a._deactivate=()=>{h=!1},a.fire("zoneEnd",l),h&&o()})).deactivate;a._deactivate=()=>{h(),A.destroy()}}()}deactivate(){this._deactivate&&(this._deactivate(),this._deactivate=null)}destroy(){this.deactivate(),super.destroy()}}class fF extends pF{constructor(e,t={}){super(e,t,((e,t)=>cF(e,t)))}}class gF extends pF{constructor(e,t={}){const i=new G(e.viewer);super(e,t,((e,t)=>Qe(e,i,t))),this.pointerCircle=i}destroy(){this.pointerCircle.destroy(),super.destroy()}}class mF extends z{constructor(e,t={}){super("Zones",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._zones=[],this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,zone:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,zone:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,zone:t,event:e})}}createZone(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=new dF(this,{id:e.id,plugin:this,container:this._container,geometry:e.geometry,alpha:e.alpha,color:e.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(t),t.on("destroyed",(()=>{const e=this._zones.indexOf(t);e>=0&&this._zones.splice(e,1)})),this.fire("zoneCreated",t),t}get zones(){return this._zones}destroy(){super.destroy()}}const _F=function(e,t,i,s,r,o,n,a,l){const A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{};let h;const c=[()=>A(null)],u=hF(e,s,r);return c.push((()=>u.destroy())),function o(p){const f=AF(e,s),g=p.length>0&&function(e,t,i){const s=new Oe(e,e.canvas.canvas.ownerDocument.body,{color:t,thickness:1,thicknessClickable:6});return s.setVisible(!1),{update:e=>{e&&s.setEnds(i,e),s.setVisible(!!e)},destroy:()=>s.destroy()}}(e,s,p[p.length-1].getWorldPos());c.push((()=>{f.destroy(),g&&g.destroy()}));const m=p.length>0&&p[0],_=function(e){const t=m&&m.getCanvasPos();return t&&d.distVec2(t,e)<10&&{canvasPos:t,worldPos:m.getWorldPos()}},v=function(){const e=(e,t,i)=>t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1]),t=(e,t,i)=>{const s=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===s?0:s>0?1:2};return function(i,s){const r=i[i.length-2],o=i[i.length-1];for(let n=s?1:0;n<i.length-2-1;++n){const s=i[n],a=i[n+1],l=t(r,o,s),A=t(r,o,a),h=t(s,a,r),c=t(s,a,o);if(l!==A&&h!==c||0===l&&e(r,s,o)||0===A&&e(r,a,o)||0===h&&e(s,r,a)||0===c&&e(s,o,a))return!0}return!1}}();h=a((()=>{A(null),f.update(null),g&&g.update(null),u.updateBase(p.length>2?p.map((e=>e.getWorldPos())):null)}),((e,t)=>{const i=p.length>2&&_(e);if(m&&m.setHighlighted(!!i),A(i?i.canvasPos:e),f.update(!i&&t),g&&g.update(i?i.worldPos:t),p.length>=2){const e=p.map((e=>e.getWorldPos())).concat(i?[]:[t]),s=v(e.map((e=>[e[0],e[2]])),i);u.updateBase(s?null:e)}else u.updateBase(null)}),(function(e,a){const A=p.length>2&&_(e),h=p.map((e=>e.getWorldPos())).concat(A?[]:[a]);u.updateBase(h);const m=h.map((e=>[e[0],e[2]]));p.length>2&&v(m,A)?(c.pop()(),o(p)):A?(f.update(a),c.forEach((e=>e())),l(n.createZone({id:d.createUUID(),geometry:{planeCoordinates:m,altitude:t,height:i},alpha:r,color:s}))):(f.update(a),g&&g.update(a),o(p.concat(f)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){h(),c.forEach((e=>e()))}}};class vF extends R{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=cF(o,(function(t,i){return uF(e,d.vec3([0,1,0]),t,i)}));!function o(){a._action=_F(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}}class bF extends R{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=Qe(o,this.pointerCircle,(function(t,i){return uF(e,d.vec3([0,1,0]),t,i)}));!function o(){a._action=_F(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}}class yF extends R{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene;super(o);const n=e._geometry.altitude,a=e._geometry.planeCoordinates.map((t=>{const i=o.canvas.canvas.ownerDocument.body,s=new Le(o,{},i,{fillColor:e._color});return s.worldPos=d.vec3([t[0],n,t[1]]),s.on("worldPos",(function(){t[0]=s.worldPos[0],t[1]=s.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),s})),l=Ne({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t&&t.pointerLens,dots:a,ray2WorldPos:(e,t)=>uF(n,d.vec3([0,1,0]),e,t),onEnd:(t,i)=>(e._zoneMesh&&this.fire("edited"),!!e._zoneMesh)}),A=function(){l(),a.forEach((e=>e.destroy()))},h=e.on("destroyed",A);this._deactivate=function(){e.off("destroyed",h),A()}}deactivate(){this._deactivate(),super.destroy()}}class BF extends yF{constructor(e,t){super(e,t,!0,!1)}}class wF extends yF{constructor(e,t){super(e,t,!1,!0)}}class PF extends R{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene,n=o.canvas.canvas;super(o);const a=this,l=e._geometry.altitude,A=t&&t.pointerLens,h=A?function(e){A.visible=!!e,e&&(A.canvasPos=e)}:()=>{},c=e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,t,i),s=t,r=i,uF(l,d.vec3([0,1,0]),s,r);var s,r},u=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,De(n.ownerDocument.documentElement,n,t),t),p=function(e,t){const i=e=>{e.preventDefault(),t(e)};return n.addEventListener(e,i),()=>n.removeEventListener(e,i)};let f=()=>{};const g=function(t,i,s,o){const l=o(t),A=u(l,d.vec2()),g=r.scene.pick({canvasPos:A,includeEntities:[e._zoneMesh.id]});if((g&&g.entity&&g.entity.zone)===e){f(),n.style.cursor="move",r.cameraControl.active=!1;const t=function(){const t=e._geometry.planeCoordinates.map((e=>e.slice())),i=c(A),s=d.vec2([i[0],i[2]]),r=d.vec2();return function(i){const o=c(i);r[0]=o[0],r[1]=o[2],d.subVec2(s,r,r),e._geometry.planeCoordinates.forEach(((e,i)=>{d.subVec2(t[i],r,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}}(),l=p(i,(function(e){const i=o(e);if(i){const e=u(i,d.vec2());t(e),h(e)}})),g=p(s,(function(e){const i=o(e);if(i){const e=u(i,d.vec2());t(e),h(null),f(),a.fire("translated")}}));f=function(){f=()=>{},n.style.cursor="default",r.cameraControl.active=!0,l(),g()}}},m=[];i&&m.push(p("mousedown",(e=>{1===e.which&&g(e,"mousemove","mouseup",(e=>1===e.which&&e))}))),s&&m.push(p("touchstart",(e=>{if(1===e.touches.length){const t=e.touches[0].identifier;g(e,"touchmove","touchend",(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})));const _=function(){f(),m.forEach((e=>e())),h(null)},v=e.on("destroyed",_);this._deactivate=function(){e.off("destroyed",v),_()}}deactivate(){this._deactivate(),super.destroy()}}class xF extends PF{constructor(e,t){super(e,t,!0,!1)}}class CF extends PF{constructor(e,t){super(e,t,!1,!0)}}export{As as AlphaFormat,ai as AmbientLight,Je as AngleMeasurementEditMouseControl,Ye as AngleMeasurementEditTouchControl,Ge as AngleMeasurementsControl,ze as AngleMeasurementsMouseControl,Ke as AngleMeasurementsPlugin,We as AngleMeasurementsTouchControl,tt as AnnotationsPlugin,Jr as AxisGizmoPlugin,gu as BCFViewpointsPlugin,No as Bitmap,$i as ByteType,ad as CameraMemento,Qu as CameraPath,Wu as CameraPathAnimation,rF as CityJSONLoaderPlugin,Qi as ClampToEdgeWrapping,R as Component,qs as CompressedMediaType,Xn as Configs,o as ContextMenu,ud as CubicBezierCurve,Ou as Curve,Fc as DefaultLoadingManager,ps as DepthFormat,fs as DepthStencilFormat,ni as DirLight,Fu as DistanceMeasurementEditControl,Iu as DistanceMeasurementEditMouseControl,Du as DistanceMeasurementEditTouchControl,xu as DistanceMeasurementsControl,Cu as DistanceMeasurementsMouseControl,Mu as DistanceMeasurementsPlugin,Eu as DistanceMeasurementsTouchControl,Le as Dot3D,oF as DotBIMDefaultDataSource,nF as DotBIMLoaderPlugin,Ei as EdgeMaterial,Ci as EmphasisMaterial,HC as FaceAlignedSectionPlanesPlugin,Su as FastNavPlugin,rs as FloatType,Po as Fresnel,N as Frustum,k as FrustumPlane,Js as GIFMediaType,Tu as GLTFDefaultDataSource,lC as GLTFLoaderPlugin,os as HalfFloatType,qu as ImagePlane,is as IntType,Ys as JPEGMediaType,Lc as KTX2TextureTranscoder,xE as LASLoaderPlugin,Ue as Label3D,ao as LambertMaterial,od as LightMap,cu as LineSet,Ws as LinearEncoding,Wi as LinearFilter,Zi as LinearMipMapLinearFilter,Ji as LinearMipMapNearestFilter,Yi as LinearMipmapLinearFilter,Xi as LinearMipmapNearestFilter,Ic as Loader,Ec as LoadingManager,Ru as LocaleService,ds as LuminanceAlphaFormat,us as LuminanceFormat,e as Map,_e as Marker,H as MarqueePicker,j as MarqueePickerMouseControl,jr as Mesh,qo as MeshSurfaceArea,Go as MeshVolume,ho as MetallicMaterial,Vi as MirroredRepeatWrapping,Ad as ModelMemento,uC as NavCubePlugin,Hi as NearestFilter,Ki as NearestMipMapLinearFilter,ji as NearestMipMapNearestFilter,zi as NearestMipmapLinearFilter,Gi as NearestMipmapNearestFilter,no as Node,yC as OBJLoaderPlugin,f as ObjectsKdTree3,cd as ObjectsMemento,Zs as PNGMediaType,dd as Path,fd as PerformanceModel,Pi as PhongMaterial,lt as PickResult,z as Plugin,$u as PointLight,G as PointerCircle,n as PointerLens,pd as QuadraticBezierCurve,g as Queue,cs as RGBAFormat,bs as RGBAIntegerFormat,js as RGBA_ASTC_10x10_Format,Qs as RGBA_ASTC_10x5_Format,Vs as RGBA_ASTC_10x6_Format,Hs as RGBA_ASTC_10x8_Format,Gs as RGBA_ASTC_12x10_Format,zs as RGBA_ASTC_12x12_Format,Ss as RGBA_ASTC_4x4_Format,Ts as RGBA_ASTC_5x4_Format,Rs as RGBA_ASTC_5x5_Format,Ls as RGBA_ASTC_6x5_Format,Us as RGBA_ASTC_6x6_Format,Os as RGBA_ASTC_8x5_Format,ks as RGBA_ASTC_8x6_Format,Ns as RGBA_ASTC_8x8_Format,Ks as RGBA_BPTC_Format,Ds as RGBA_ETC2_EAC_Format,Es as RGBA_PVRTC_2BPPV1_Format,Ms as RGBA_PVRTC_4BPPV1_Format,Bs as RGBA_S3TC_DXT1_Format,ws as RGBA_S3TC_DXT3_Format,Ps as RGBA_S3TC_DXT5_Format,hs as RGBFormat,Fs as RGB_ETC1_Format,Is as RGB_ETC2_Format,Cs as RGB_PVRTC_2BPPV1_Format,xs as RGB_PVRTC_4BPPV1_Format,ys as RGB_S3TC_DXT1_Format,_s as RGFormat,vs as RGIntegerFormat,vi as ReadableGeometry,gs as RedFormat,ms as RedIntegerFormat,rd as ReflectionMap,Ni as RepeatWrapping,GC as STLDefaultDataSource,$C as STLLoaderPlugin,Au as SceneModel,rn as SceneModelMesh,eu as SceneModelTransform,Yr as SectionPlane,FC as SectionPlanesPlugin,es as ShortType,gd as Skybox,jC as SkyboxesPlugin,po as SpecularMaterial,ku as SplineCurve,nd as SpriteMarker,RC as StoreyViewsPlugin,wo as Texture,md as TextureTranscoder,iM as TreeViewPlugin,qi as UnsignedByteType,ls as UnsignedInt248Type,ss as UnsignedIntType,ns as UnsignedShort4444Type,as as UnsignedShort5551Type,ts as UnsignedShortType,Mo as VBOGeometry,nM as ViewCullPlugin,oy as Viewer,mE as WebIFCLoaderPlugin,Oe as Wire3D,Tc as WorkerPool,aM as XKTDefaultDataSource,eE as XKTLoaderPlugin,fE as XML3DLoaderPlugin,yF as ZoneEditControl,BF as ZoneEditMouseControl,wF as ZoneEditTouchControl,PF as ZoneTranslateControl,xF as ZoneTranslateMouseControl,CF as ZoneTranslateTouchControl,fF as ZonesMouseControl,mF as ZonesPlugin,vF as ZonesPolysurfaceMouseControl,bF as ZonesPolysurfaceTouchControl,gF as ZonesTouchControl,ke as activateDraggableDot,Ne as activateDraggableDots,bi as buildBoxGeometry,Do as buildBoxLinesGeometry,So as buildBoxLinesGeometryFromAABB,zr as buildCylinderGeometry,To as buildGridGeometry,ko as buildLineGeometry,Ro as buildPlaneGeometry,Uo as buildPolylineGeometry,Oo as buildPolylineGeometryFromCurve,Kr as buildSphereGeometry,Lo as buildTorusGeometry,Xr as buildVectorTextGeometry,$ as createRTCViewMat,V as frustumIntersectsAABB3,Oc as getKTX2TextureTranscoder,se as getPlaneRTCPos,Qo as isTriangleMeshSolid,Fo as load3DSGeometry,Io as loadOBJGeometry,d as math,$o as meshSurfaceArea,zo as meshVolume,K as os,ie as rtcToWorldPos,Xs as sRGBEncoding,Q as setFrustum,m as stats,Qe as touchPointSelector,De as transformToNode,y as utils,ee as worldToRTCPos,te as worldToRTCPositions};
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e>=48&&e<=57},gf=function(e){return ff(e)||e>=65&&e<=70||e>=97&&e<=102},mf=function(e){return 10===e||9===e||32===e},_f=function(e){return function(e){return function(e){return e>=97&&e<=122}(e)||function(e){return e>=65&&e<=90}(e)}(e)||function(e){return e>=128}(e)||95===e},vf=function(e){return _f(e)||ff(e)||45===e},bf=function(e){return e>=0&&e<=8||11===e||e>=14&&e<=31||127===e},yf=function(e,t){return 92===e&&10!==t},Bf=function(e,t,i){return 45===e?_f(t)||yf(t,i):!!_f(e)||!(92!==e||!yf(e,t))},wf=function(e,t,i){return 43===e||45===e?!!ff(t)||46===t&&ff(i):ff(46===e?t:e)},Pf=function(e){var t=0,i=1;43!==e[t]&&45!==e[t]||(45===e[t]&&(i=-1),t++);for(var s=[];ff(e[t]);)s.push(e[t++]);var r=s.length?parseInt(_p.apply(void 0,s),10):0;46===e[t]&&t++;for(var o=[];ff(e[t]);)o.push(e[t++]);var n=o.length,a=n?parseInt(_p.apply(void 0,o),10):0;69!==e[t]&&101!==e[t]||t++;var l=1;43!==e[t]&&45!==e[t]||(45===e[t]&&(l=-1),t++);for(var A=[];ff(e[t]);)A.push(e[t++]);var h=A.length?parseInt(_p.apply(void 0,A),10):0;return i*(r+a*Math.pow(10,-n))*Math.pow(10,l*h)},xf={type:2},Cf={type:3},Mf={type:4},Ef={type:13},Ff={type:8},If={type:21},Df={type:9},Sf={type:10},Tf={type:11},Rf={type:12},Lf={type:14},Uf={type:23},Of={type:1},kf={type:25},Nf={type:24},Qf={type:26},Vf={type:27},Hf={type:28},jf={type:29},Gf={type:31},zf={type:32},Kf=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(mp(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==zf;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),s=this.peekCodePoint(2);if(vf(t)||yf(i,s)){var r=Bf(t,i,s)?2:1;return{type:5,value:this.consumeName(),flags:r}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Ef;break;case 39:return this.consumeStringToken(39);case 40:return xf;case 41:return Cf;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Lf;break;case 43:if(wf(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return Mf;case 45:var o=e,n=this.peekCodePoint(0),a=this.peekCodePoint(1);if(wf(o,n,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(Bf(o,n,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===n&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),Nf;break;case 46:if(wf(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return Qf;case 59:return Vf;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),kf;break;case 64:var A=this.peekCodePoint(0),h=this.peekCodePoint(1),c=this.peekCodePoint(2);if(Bf(A,h,c))return{type:7,value:this.consumeName()};break;case 91:return Hf;case 92:if(yf(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return jf;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Ff;break;case 123:return Tf;case 125:return Rf;case 117:case 85:var u=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==u||!gf(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Df;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),If;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Sf;break;case-1:return zf}return mf(e)?(this.consumeWhiteSpace(),Gf):ff(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):_f(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:_p(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();gf(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(_p.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(_p.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var s=parseInt(_p.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&gf(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var r=[];gf(t)&&r.length<6;)r.push(t),t=this.consumeCodePoint();return{type:30,start:s,end:parseInt(_p.apply(void 0,r),16)}}return{type:30,start:s,end:s}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),Uf)}for(;;){var s=this.consumeCodePoint();if(-1===s||41===s)return{type:22,value:_p.apply(void 0,e)};if(mf(s))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:_p.apply(void 0,e)}):(this.consumeBadUrlRemnants(),Uf);if(34===s||39===s||40===s||bf(s))return this.consumeBadUrlRemnants(),Uf;if(92===s){if(!yf(s,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),Uf;e.push(this.consumeEscapedCodePoint())}else e.push(s)}},e.prototype.consumeWhiteSpace=function(){for(;mf(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;yf(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=_p.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var s=this._value[i];if(-1===s||void 0===s||s===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===s)return this._value.splice(0,i),Of;if(92===s){var r=this._value[i+1];-1!==r&&void 0!==r&&(10===r?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):yf(s,r)&&(t+=this.consumeStringSlice(i),t+=_p(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());ff(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var s=this.peekCodePoint(1);if(46===i&&ff(s))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;ff(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),s=this.peekCodePoint(1);var r=this.peekCodePoint(2);if((69===i||101===i)&&((43===s||45===s)&&ff(r)||ff(s)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;ff(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[Pf(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],s=this.peekCodePoint(0),r=this.peekCodePoint(1),o=this.peekCodePoint(2);return Bf(s,r,o)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===s?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(gf(e)){for(var t=_p(e);gf(this.peekCodePoint(0))&&t.length<6;)t+=_p(this.consumeCodePoint());mf(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(vf(t))e+=_p(t);else{if(!yf(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=_p(this.consumeEscapedCodePoint())}}},e}(),Wf=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new Kf;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||ig(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?zf:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Xf=function(e){return 15===e.type},Jf=function(e){return 17===e.type},Yf=function(e){return 20===e.type},Zf=function(e){return 0===e.type},qf=function(e,t){return Yf(e)&&e.value===t},$f=function(e){return 31!==e.type},eg=function(e){return 31!==e.type&&4!==e.type},tg=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},ig=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},sg=function(e){return 17===e.type||15===e.type},rg=function(e){return 16===e.type||sg(e)},og=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},ng={type:17,number:0,flags:4},ag={type:16,number:50,flags:4},lg={type:16,number:100,flags:4},Ag=function(e,t,i){var s=e[0],r=e[1];return[hg(s,t),hg(void 0!==r?r:s,i)]},hg=function(e,t){if(16===e.type)return e.number/100*t;if(Xf(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},cg=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},ug=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},dg=function(e){switch(e.filter(Yf).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[ng,ng];case"to top":case"bottom":return pg(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[ng,lg];case"to right":case"left":return pg(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[lg,lg];case"to bottom":case"top":return pg(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[lg,ng];case"to left":case"right":return pg(270)}return 0},pg=function(e){return Math.PI*e/180},fg=function(e,t){if(18===t.type){var i=wg[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color function "'+t.name+'"');return i(e,t.values)}if(5===t.type){if(3===t.value.length){var s=t.value.substring(0,1),r=t.value.substring(1,2),o=t.value.substring(2,3);return _g(parseInt(s+s,16),parseInt(r+r,16),parseInt(o+o,16),1)}if(4===t.value.length){s=t.value.substring(0,1),r=t.value.substring(1,2),o=t.value.substring(2,3);var n=t.value.substring(3,4);return _g(parseInt(s+s,16),parseInt(r+r,16),parseInt(o+o,16),parseInt(n+n,16)/255)}if(6===t.value.length){s=t.value.substring(0,2),r=t.value.substring(2,4),o=t.value.substring(4,6);return _g(parseInt(s,16),parseInt(r,16),parseInt(o,16),1)}if(8===t.value.length){s=t.value.substring(0,2),r=t.value.substring(2,4),o=t.value.substring(4,6),n=t.value.substring(6,8);return _g(parseInt(s,16),parseInt(r,16),parseInt(o,16),parseInt(n,16)/255)}}if(20===t.type){var a=xg[t.value.toUpperCase()];if(void 0!==a)return a}return xg.TRANSPARENT},gg=function(e){return 0==(255&e)},mg=function(e){var t=255&e,i=255&e>>8,s=255&e>>16,r=255&e>>24;return t<255?"rgba("+r+","+s+","+i+","+t/255+")":"rgb("+r+","+s+","+i+")"},_g=function(e,t,i,s){return(e<<24|t<<16|i<<8|Math.round(255*s)<<0)>>>0},vg=function(e,t){if(17===e.type)return e.number;if(16===e.type){var i=3===t?1:255;return 3===t?e.number/100*i:Math.round(e.number/100*i)}return 0},bg=function(e,t){var i=t.filter(eg);if(3===i.length){var s=i.map(vg),r=s[0],o=s[1],n=s[2];return _g(r,o,n,1)}if(4===i.length){var a=i.map(vg),l=(r=a[0],o=a[1],n=a[2],a[3]);return _g(r,o,n,l)}return 0};function yg(e,t,i){return i<0&&(i+=1),i>=1&&(i-=1),i<1/6?(t-e)*i*6+e:i<.5?t:i<2/3?6*(t-e)*(2/3-i)+e:e}var Bg=function(e,t){var i=t.filter(eg),s=i[0],r=i[1],o=i[2],n=i[3],a=(17===s.type?pg(s.number):cg(e,s))/(2*Math.PI),l=rg(r)?r.number/100:0,A=rg(o)?o.number/100:0,h=void 0!==n&&rg(n)?hg(n,1):1;if(0===l)return _g(255*A,255*A,255*A,1);var c=A<=.5?A*(l+1):A+l-A*l,u=2*A-c,d=yg(u,c,a+1/3),p=yg(u,c,a),f=yg(u,c,a-1/3);return _g(255*d,255*p,255*f,h)},wg={hsl:Bg,hsla:Bg,rgb:bg,rgba:bg},Pg=function(e,t){return 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_b(i.left+P/2,i.top+y/2),this.topRightBorderStroke=r>0||o>0?wb(i.left+m,i.top+y/2,a-B/2,l-y/2,Xv.TOP_RIGHT):new _b(i.left+i.width-B/2,i.top+y/2),this.bottomRightBorderStroke=h>0||c>0?wb(i.left+v,i.top+_,h-B/2,c-w/2,Xv.BOTTOM_RIGHT):new _b(i.left+i.width-B/2,i.top+i.height-w/2),this.bottomLeftBorderStroke=d>0||p>0?wb(i.left+P/2,i.top+b,d-P/2,p-w/2,Xv.BOTTOM_LEFT):new _b(i.left+P/2,i.top+i.height-w/2),this.topLeftBorderBox=r>0||o>0?wb(i.left,i.top,r,o,Xv.TOP_LEFT):new _b(i.left,i.top),this.topRightBorderBox=a>0||l>0?wb(i.left+m,i.top,a,l,Xv.TOP_RIGHT):new _b(i.left+i.width,i.top),this.bottomRightBorderBox=h>0||c>0?wb(i.left+v,i.top+_,h,c,Xv.BOTTOM_RIGHT):new _b(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?wb(i.left,i.top+b,d,p,Xv.BOTTOM_LEFT):new _b(i.left,i.top+i.height),this.topLeftPaddingBox=r>0||o>0?wb(i.left+P,i.top+y,Math.max(0,r-P),Math.max(0,o-y),Xv.TOP_LEFT):new _b(i.left+P,i.top+y),this.topRightPaddingBox=a>0||l>0?wb(i.left+Math.min(m,i.width-B),i.top+y,m>i.width+B?0:Math.max(0,a-B),Math.max(0,l-y),Xv.TOP_RIGHT):new _b(i.left+i.width-B,i.top+y),this.bottomRightPaddingBox=h>0||c>0?wb(i.left+Math.min(v,i.width-P),i.top+Math.min(_,i.height-w),Math.max(0,h-B),Math.max(0,c-w),Xv.BOTTOM_RIGHT):new _b(i.left+i.width-B,i.top+i.height-w),this.bottomLeftPaddingBox=d>0||p>0?wb(i.left+P,i.top+Math.min(b,i.height-w),Math.max(0,d-P),Math.max(0,p-w),Xv.BOTTOM_LEFT):new _b(i.left+P,i.top+i.height-w),this.topLeftContentBox=r>0||o>0?wb(i.left+P+E,i.top+y+x,Math.max(0,r-(P+E)),Math.max(0,o-(y+x)),Xv.TOP_LEFT):new _b(i.left+P+E,i.top+y+x),this.topRightContentBox=a>0||l>0?wb(i.left+Math.min(m,i.width+P+E),i.top+y+x,m>i.width+P+E?0:a-P+E,l-(y+x),Xv.TOP_RIGHT):new _b(i.left+i.width-(B+C),i.top+y+x),this.bottomRightContentBox=h>0||c>0?wb(i.left+Math.min(v,i.width-(P+E)),i.top+Math.min(_,i.height+y+x),Math.max(0,h-(B+C)),c-(w+M),Xv.BOTTOM_RIGHT):new _b(i.left+i.width-(B+C),i.top+i.height-(w+M)),this.bottomLeftContentBox=d>0||p>0?wb(i.left+P+E,i.top+b,Math.max(0,d-(P+E)),p-(w+M),Xv.BOTTOM_LEFT):new _b(i.left+P+E,i.top+i.height-(w+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(Xv||(Xv={}));var wb=function(e,t,i,s,r){var o=(Math.sqrt(2)-1)/3*4,n=i*o,a=s*o,l=e+i,A=t+s;switch(r){case Xv.TOP_LEFT:return new bb(new _b(e,A),new _b(e,A-a),new _b(l-n,t),new _b(l,t));case Xv.TOP_RIGHT:return new bb(new _b(e,t),new _b(e+n,t),new _b(l,A-a),new _b(l,A));case Xv.BOTTOM_RIGHT:return new bb(new _b(l,t),new _b(l,t+a),new _b(e+n,A),new _b(e,A));case Xv.BOTTOM_LEFT:default:return new bb(new _b(l,A),new _b(l-n,A),new _b(e,t+a),new _b(e,t))}},Pb=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},xb=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},Cb=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},Mb=function(e,t){this.path=e,this.target=t,this.type=1},Eb=function(e){this.opacity=e,this.type=2,this.target=6},Fb=function(e){return 1===e.type},Ib=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},Db=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},Sb=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new Bb(this.container),this.container.styles.opacity<1&&this.effects.push(new Eb(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,s=this.container.bounds.top+this.container.styles.transformOrigin[1].number,r=this.container.styles.transform;this.effects.push(new Cb(i,s,r))}if(0!==this.container.styles.overflowX){var o=Pb(this.curves),n=xb(this.curves);Ib(o,n)?this.effects.push(new Mb(o,6)):(this.effects.push(new Mb(o,2)),this.effects.push(new Mb(n,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,s=this.effects.slice(0);i;){var r=i.effects.filter((function(e){return!Fb(e)}));if(t||0!==i.container.styles.position||!i.parent){if(s.unshift.apply(s,r),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var o=Pb(i.curves),n=xb(i.curves);Ib(o,n)||s.unshift(new Mb(n,6))}}else s.unshift.apply(s,r);i=i.parent}return s.filter((function(t){return r_(t.target,e)}))},e}(),Tb=function(e,t,i,s){e.container.elements.forEach((function(r){var o=r_(r.flags,4),n=r_(r.flags,2),a=new Sb(r,e);r_(r.styles.display,2048)&&s.push(a);var l=r_(r.flags,8)?[]:s;if(o||n){var A=o||r.styles.isPositioned()?i:t,h=new Db(a);if(r.styles.isPositioned()||r.styles.opacity<1||r.styles.isTransformed()){var c=r.styles.zIndex.order;if(c<0){var u=0;A.negativeZIndex.some((function(e,t){return c>e.element.container.styles.zIndex.order?(u=t,!1):u>0})),A.negativeZIndex.splice(u,0,h)}else if(c>0){var d=0;A.positiveZIndex.some((function(e,t){return c>=e.element.container.styles.zIndex.order?(d=t+1,!1):d>0})),A.positiveZIndex.splice(d,0,h)}else A.zeroOrAutoZIndexOrTransformedOrOpacity.push(h)}else r.styles.isFloating()?A.nonPositionedFloats.push(h):A.nonPositionedInlineLevel.push(h);Tb(a,h,o?h:i,l)}else r.styles.isInlineLevel()?t.inlineLevel.push(a):t.nonInlineLevel.push(a),Tb(a,t,i,l);r_(r.flags,8)&&Rb(r,l)}))},Rb=function(e,t){for(var i=e instanceof rv?e.start:1,s=e instanceof rv&&e.reversed,r=0;r<t.length;r++){var o=t[r];o.container instanceof sv&&"number"==typeof o.container.value&&0!==o.container.value&&(i=o.container.value),o.listValue=Kv(i,o.container.styles.listStyleType,!0),i+=s?-1:1}},Lb=function(e,t){switch(t){case 0:return Ob(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return Ob(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return Ob(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return Ob(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},Ub=function(e,t){var i=[];return yb(e)?i.push(e.subdivide(.5,!1)):i.push(e),yb(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},Ob=function(e,t,i,s){var r=[];return yb(e)?r.push(e.subdivide(.5,!1)):r.push(e),yb(i)?r.push(i.subdivide(.5,!0)):r.push(i),yb(s)?r.push(s.subdivide(.5,!0).reverse()):r.push(s),yb(t)?r.push(t.subdivide(.5,!1).reverse()):r.push(t),r},kb=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},Nb=function(e){var t=e.styles,i=e.bounds,s=hg(t.paddingLeft,i.width),r=hg(t.paddingRight,i.width),o=hg(t.paddingTop,i.width),n=hg(t.paddingBottom,i.width);return i.add(s+t.borderLeftWidth,o+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+s+r),-(t.borderTopWidth+t.borderBottomWidth+o+n))},Qb=function(e,t,i){var s=function(e,t){return 0===e?t.bounds:2===e?Nb(t):kb(t)}(Gb(e.styles.backgroundOrigin,t),e),r=function(e,t){return 0===e?t.bounds:2===e?Nb(t):kb(t)}(Gb(e.styles.backgroundClip,t),e),o=jb(Gb(e.styles.backgroundSize,t),i,s),n=o[0],a=o[1],l=Ag(Gb(e.styles.backgroundPosition,t),s.width-n,s.height-a);return[zb(Gb(e.styles.backgroundRepeat,t),l,o,s,r),Math.round(s.left+l[0]),Math.round(s.top+l[1]),n,a]},Vb=function(e){return Yf(e)&&e.value===Ug.AUTO},Hb=function(e){return"number"==typeof e},jb=function(e,t,i){var s=t[0],r=t[1],o=t[2],n=e[0],a=e[1];if(!n)return[0,0];if(rg(n)&&a&&rg(a))return[hg(n,i.width),hg(a,i.height)];var l=Hb(o);if(Yf(n)&&(n.value===Ug.CONTAIN||n.value===Ug.COVER))return Hb(o)?i.width/i.height<o!=(n.value===Ug.COVER)?[i.width,i.width/o]:[i.height*o,i.height]:[i.width,i.height];var A=Hb(s),h=Hb(r),c=A||h;if(Vb(n)&&(!a||Vb(a)))return A&&h?[s,r]:l||c?c&&l?[A?s:r*o,h?r:s/o]:[A?s:i.width,h?r:i.height]:[i.width,i.height];if(l){var u=0,d=0;return rg(n)?u=hg(n,i.width):rg(a)&&(d=hg(a,i.height)),Vb(n)?u=d*o:a&&!Vb(a)||(d=u/o),[u,d]}var p=null,f=null;if(rg(n)?p=hg(n,i.width):a&&rg(a)&&(f=hg(a,i.height)),null===p||a&&!Vb(a)||(f=A&&h?p/s*r:i.height),null!==f&&Vb(n)&&(p=A&&h?f/r*s:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},Gb=function(e,t){var i=e[t];return void 0===i?e[0]:i},zb=function(e,t,i,s,r){var o=t[0],n=t[1],a=i[0],l=i[1];switch(e){case 2:return[new _b(Math.round(s.left),Math.round(s.top+n)),new _b(Math.round(s.left+s.width),Math.round(s.top+n)),new _b(Math.round(s.left+s.width),Math.round(l+s.top+n)),new _b(Math.round(s.left),Math.round(l+s.top+n))];case 3:return[new _b(Math.round(s.left+o),Math.round(s.top)),new _b(Math.round(s.left+o+a),Math.round(s.top)),new _b(Math.round(s.left+o+a),Math.round(s.height+s.top)),new _b(Math.round(s.left+o),Math.round(s.height+s.top))];case 1:return[new _b(Math.round(s.left+o),Math.round(s.top+n)),new _b(Math.round(s.left+o+a),Math.round(s.top+n)),new _b(Math.round(s.left+o+a),Math.round(s.top+n+l)),new _b(Math.round(s.left+o),Math.round(s.top+n+l))];default:return[new _b(Math.round(r.left),Math.round(r.top)),new _b(Math.round(r.left+r.width),Math.round(r.top)),new _b(Math.round(r.left+r.width),Math.round(r.height+r.top)),new _b(Math.round(r.left),Math.round(r.height+r.top))]}},Kb=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),s=this._document.createElement("img"),r=this._document.createElement("span"),o=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",o.appendChild(i),s.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",s.width=1,s.height=1,s.style.margin="0",s.style.padding="0",s.style.verticalAlign="baseline",r.style.fontFamily=e,r.style.fontSize=t,r.style.margin="0",r.style.padding="0",r.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(r),i.appendChild(s);var n=s.offsetTop-r.offsetTop+2;i.removeChild(r),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",s.style.verticalAlign="super";var a=s.offsetTop-i.offsetTop+2;return o.removeChild(i),{baseline:n,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),Wb=function(e,t){this.context=e,this.options=t},Xb=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s._activeEffects=[],s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),i.canvas||(s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px"),s.fontMetrics=new Kb(document),s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.ctx.textBaseline="bottom",s._activeEffects=[],s.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),s}return hp(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),Fb(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return up(this,void 0,void 0,(function(){return dp(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return up(this,void 0,void 0,(function(){return dp(this,(function(t){switch(t.label){case 0:return r_(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var s=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):K_(e.text).reduce((function(t,r){return s.ctx.fillText(r,t,e.bounds.top+i),t+s.ctx.measureText(r).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=$b(e.fontFamily).join(", "),s=Xf(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,s,i].join(" "),i,s]},t.prototype.renderTextNode=function(e,t){return up(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h=this;return dp(this,(function(c){return i=this.createFontStyle(t),s=i[0],r=i[1],o=i[2],this.ctx.font=s,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",n=this.fontMetrics.getMetrics(r,o),a=n.baseline,l=n.middle,A=t.paintOrder,e.textBounds.forEach((function(e){A.forEach((function(i){switch(i){case 0:h.ctx.fillStyle=mg(t.color),h.renderTextWithLetterSpacing(e,t.letterSpacing,a);var s=t.textShadow;s.length&&e.text.trim().length&&(s.slice(0).reverse().forEach((function(i){h.ctx.shadowColor=mg(i.color),h.ctx.shadowOffsetX=i.offsetX.number*h.options.scale,h.ctx.shadowOffsetY=i.offsetY.number*h.options.scale,h.ctx.shadowBlur=i.blur.number,h.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),h.ctx.shadowColor="",h.ctx.shadowOffsetX=0,h.ctx.shadowOffsetY=0,h.ctx.shadowBlur=0),t.textDecorationLine.length&&(h.ctx.fillStyle=mg(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:h.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:h.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(h.ctx.strokeStyle=mg(t.webkitTextStrokeColor),h.ctx.lineWidth=t.webkitTextStrokeWidth,h.ctx.lineJoin=window.chrome?"miter":"round",h.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),h.ctx.strokeStyle="",h.ctx.lineWidth=0,h.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var s=Nb(e),r=xb(t);this.path(r),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,s.left,s.top,s.width,s.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return up(this,void 0,void 0,(function(){var i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v;return dp(this,(function(b){switch(b.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,s=e.curves,r=i.styles,o=0,n=i.textNodes,b.label=1;case 1:return o<n.length?(a=n[o],[4,this.renderTextNode(a,r)]):[3,4];case 2:b.sent(),b.label=3;case 3:return o++,[3,1];case 4:if(!(i instanceof ev))return[3,8];b.label=5;case 5:return b.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,8];case 7:return b.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof tv&&this.renderReplacedElement(i,s,i.canvas),!(i instanceof iv))return[3,12];b.label=9;case 9:return b.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return g=b.sent(),this.renderReplacedElement(i,s,g),[3,12];case 11:return b.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof cv&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=b.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),b.label=14;case 14:if(i instanceof lv&&(A=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new _b(i.bounds.left+.39363*A,i.bounds.top+.79*A),new _b(i.bounds.left+.16*A,i.bounds.top+.5549*A),new _b(i.bounds.left+.27347*A,i.bounds.top+.44071*A),new _b(i.bounds.left+.39694*A,i.bounds.top+.5649*A),new _b(i.bounds.left+.72983*A,i.bounds.top+.23*A),new _b(i.bounds.left+.84*A,i.bounds.top+.34085*A),new _b(i.bounds.left+.39363*A,i.bounds.top+.79*A)]),this.ctx.fillStyle=mg(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+A/2,i.bounds.top+A/2,A/4,0,2*Math.PI,!0),this.ctx.fillStyle=mg(707406591),this.ctx.fill(),this.ctx.restore())),Jb(i)&&i.value.length){switch(h=this.createFontStyle(r),_=h[0],c=h[1],u=this.fontMetrics.getMetrics(_,c).baseline,this.ctx.font=_,this.ctx.fillStyle=mg(r.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=Zb(i.styles.textAlign),v=Nb(i),d=0,i.styles.textAlign){case 1:d+=v.width/2;break;case 2:d+=v.width}p=v.add(d,0,0,-v.height/2+1),this.ctx.save(),this.path([new _b(v.left,v.top),new _b(v.left+v.width,v.top),new _b(v.left+v.width,v.top+v.height),new _b(v.left,v.top+v.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new j_(i.value,p),r.letterSpacing,u),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!r_(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];g=void 0,m=f.url,b.label=15;case 15:return b.trys.push([15,17,,18]),[4,this.context.cache.match(m)];case 16:return g=b.sent(),this.ctx.drawImage(g,i.bounds.left-(g.width+10),i.bounds.top),[3,18];case 17:return b.sent(),this.context.logger.error("Error loading list-style-image "+m),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(_=this.createFontStyle(r)[0],this.ctx.font=_,this.ctx.fillStyle=mg(r.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",v=new fp(i.bounds.left,i.bounds.top+hg(i.styles.paddingTop,i.bounds.width),i.bounds.width,ym(r.lineHeight,r.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new j_(e.listValue,v),r.letterSpacing,ym(r.lineHeight,r.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),b.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return up(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A,h,c,u,d,p,f;return dp(this,(function(g){switch(g.label){case 0:return r_(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:g.sent(),t=0,i=e.negativeZIndex,g.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:g.sent(),g.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:g.sent(),s=0,r=e.nonInlineLevel,g.label=7;case 7:return s<r.length?(f=r[s],[4,this.renderNode(f)]):[3,10];case 8:g.sent(),g.label=9;case 9:return s++,[3,7];case 10:o=0,n=e.nonPositionedFloats,g.label=11;case 11:return o<n.length?(f=n[o],[4,this.renderStack(f)]):[3,14];case 12:g.sent(),g.label=13;case 13:return o++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,g.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:g.sent(),g.label=17;case 17:return a++,[3,15];case 18:A=0,h=e.inlineLevel,g.label=19;case 19:return A<h.length?(f=h[A],[4,this.renderNode(f)]):[3,22];case 20:g.sent(),g.label=21;case 21:return A++,[3,19];case 22:c=0,u=e.zeroOrAutoZIndexOrTransformedOrOpacity,g.label=23;case 23:return c<u.length?(f=u[c],[4,this.renderStack(f)]):[3,26];case 24:g.sent(),g.label=25;case 25:return c++,[3,23];case 26:d=0,p=e.positiveZIndex,g.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:g.sent(),g.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var s=yb(e)?e.start:e;0===i?t.ctx.moveTo(s.x,s.y):t.ctx.lineTo(s.x,s.y),yb(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,s){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,s),this.ctx.fill(),this.ctx.translate(-i,-s)},t.prototype.resizeImage=function(e,t,i){var s;if(e.width===t&&e.height===i)return e;var r=(null!==(s=this.canvas.ownerDocument)&&void 0!==s?s:document).createElement("canvas");return r.width=Math.max(1,t),r.height=Math.max(1,i),r.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),r},t.prototype.renderBackgroundImage=function(e){return up(this,void 0,void 0,(function(){var t,i,s,r,o,n;return dp(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,w,P,x,C,M,E,F,I,D,S,T,R;return dp(this,(function(L){switch(L.label){case 0:if(0!==i.type)return[3,5];r=void 0,o=i.url,L.label=1;case 1:return L.trys.push([1,3,,4]),[4,s.context.cache.match(o)];case 2:return r=L.sent(),[3,4];case 3:return L.sent(),s.context.logger.error("Error loading background-image "+o),[3,4];case 4:return r&&(n=Qb(e,t,[r.width,r.height,r.width/r.height]),v=n[0],x=n[1],C=n[2],B=n[3],w=n[4],m=s.ctx.createPattern(s.resizeImage(r,B,w),"repeat"),s.renderRepeat(v,m,x,C)),[3,6];case 5:1===i.type?(a=Qb(e,t,[null,null,null]),v=a[0],x=a[1],C=a[2],B=a[3],w=a[4],l=Ig(i.angle,B,w),A=l[0],h=l[1],c=l[2],u=l[3],d=l[4],(p=document.createElement("canvas")).width=B,p.height=w,f=p.getContext("2d"),g=f.createLinearGradient(h,u,c,d),Fg(i.stops,A).forEach((function(e){return g.addColorStop(e.stop,mg(e.color))})),f.fillStyle=g,f.fillRect(0,0,B,w),B>0&&w>0&&(m=s.ctx.createPattern(p,"repeat"),s.renderRepeat(v,m,x,C))):function(e){return 2===e.type}(i)&&(_=Qb(e,t,[null,null,null]),v=_[0],b=_[1],y=_[2],B=_[3],w=_[4],P=0===i.position.length?[ag]:i.position,x=hg(P[0],B),C=hg(P[P.length-1],w),M=function(e,t,i,s,r){var o=0,n=0;switch(e.size){case 0:0===e.shape?o=n=Math.min(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.min(Math.abs(t),Math.abs(t-s)),n=Math.min(Math.abs(i),Math.abs(i-r)));break;case 2:if(0===e.shape)o=n=Math.min(Dg(t,i),Dg(t,i-r),Dg(t-s,i),Dg(t-s,i-r));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-r))/Math.min(Math.abs(t),Math.abs(t-s)),l=Sg(s,r,t,i,!0),A=l[0],h=l[1];n=a*(o=Dg(A-t,(h-i)/a))}break;case 1:0===e.shape?o=n=Math.max(Math.abs(t),Math.abs(t-s),Math.abs(i),Math.abs(i-r)):1===e.shape&&(o=Math.max(Math.abs(t),Math.abs(t-s)),n=Math.max(Math.abs(i),Math.abs(i-r)));break;case 3:if(0===e.shape)o=n=Math.max(Dg(t,i),Dg(t,i-r),Dg(t-s,i),Dg(t-s,i-r));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-r))/Math.max(Math.abs(t),Math.abs(t-s));var c=Sg(s,r,t,i,!1);A=c[0],h=c[1],n=a*(o=Dg(A-t,(h-i)/a))}}return Array.isArray(e.size)&&(o=hg(e.size[0],s),n=2===e.size.length?hg(e.size[1],r):o),[o,n]}(i,x,C,B,w),E=M[0],F=M[1],E>0&&F>0&&(I=s.ctx.createRadialGradient(b+x,y+C,0,b+x,y+C,E),Fg(i.stops,2*E).forEach((function(e){return I.addColorStop(e.stop,mg(e.color))})),s.path(v),s.ctx.fillStyle=I,E!==F?(D=e.bounds.left+.5*e.bounds.width,S=e.bounds.top+.5*e.bounds.height,R=1/(T=F/E),s.ctx.save(),s.ctx.translate(D,S),s.ctx.transform(1,0,0,T,0,0),s.ctx.translate(-D,-S),s.ctx.fillRect(b,R*(y-S)+S,B,w*R),s.ctx.restore()):s.ctx.fill())),L.label=6;case 6:return t--,[2]}}))},s=this,r=0,o=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return r<o.length?(n=o[r],[5,i(n)]):[3,4];case 2:a.sent(),a.label=3;case 3:return r++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return up(this,void 0,void 0,(function(){return dp(this,(function(s){return this.path(Lb(i,t)),this.ctx.fillStyle=mg(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,s){return up(this,void 0,void 0,(function(){var r,o;return dp(this,(function(n){switch(n.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,s)]:[3,2];case 1:return n.sent(),[2];case 2:return r=function(e,t){switch(t){case 0:return Ob(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return Ob(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return Ob(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return Ob(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(s,i),this.path(r),this.ctx.fillStyle=mg(e),this.ctx.fill(),o=function(e,t){switch(t){case 0:return Ob(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return Ob(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return Ob(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return Ob(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(s,i),this.path(o),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return up(this,void 0,void 0,(function(){var t,i,s,r,o,n,a,l,A=this;return dp(this,(function(h){switch(h.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!gg(t.backgroundColor)||t.backgroundImage.length,s=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],r=Yb(Gb(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(r),this.ctx.clip(),gg(t.backgroundColor)||(this.ctx.fillStyle=mg(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:h.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){A.ctx.save();var i,s,r,o,n,a=Pb(e.curves),l=t.inset?0:1e4,h=(i=a,s=-l+(t.inset?1:-1)*t.spread.number,r=(t.inset?1:-1)*t.spread.number,o=t.spread.number*(t.inset?-2:2),n=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(s,r);case 1:return e.add(s+o,r);case 2:return e.add(s+o,r+n);case 3:return e.add(s,r+n)}return e})));t.inset?(A.path(a),A.ctx.clip(),A.mask(h)):(A.mask(a),A.ctx.clip(),A.path(h)),A.ctx.shadowOffsetX=t.offsetX.number+l,A.ctx.shadowOffsetY=t.offsetY.number,A.ctx.shadowColor=mg(t.color),A.ctx.shadowBlur=t.blur.number,A.ctx.fillStyle=t.inset?mg(t.color):"rgba(0,0,0,1)",A.ctx.fill(),A.ctx.restore()})),h.label=2;case 2:o=0,n=0,a=s,h.label=3;case 3:return n<a.length?0!==(l=a[n]).style&&!gg(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,2)]:[3,11]:[3,13];case 4:return h.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,o,e.curves,3)];case 6:return h.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,o,e.curves)];case 8:return h.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,o,e.curves)];case 10:h.sent(),h.label=11;case 11:o++,h.label=12;case 12:return n++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,s,r){return up(this,void 0,void 0,(function(){var o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b;return dp(this,(function(y){return this.ctx.save(),o=function(e,t){switch(t){case 0:return Ub(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return Ub(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return Ub(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return Ub(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(s,i),n=Lb(s,i),2===r&&(this.path(n),this.ctx.clip()),yb(n[0])?(a=n[0].start.x,l=n[0].start.y):(a=n[0].x,l=n[0].y),yb(n[1])?(A=n[1].end.x,h=n[1].end.y):(A=n[1].x,h=n[1].y),c=0===i||2===i?Math.abs(a-A):Math.abs(l-h),this.ctx.beginPath(),3===r?this.formatPath(o):this.formatPath(n.slice(0,2)),u=t<3?3*t:2*t,d=t<3?2*t:t,3===r&&(u=t,d=t),p=!0,c<=2*u?p=!1:c<=2*u+d?(u*=f=c/(2*u+d),d*=f):(g=Math.floor((c+d)/(u+d)),m=(c-g*u)/(g-1),d=(_=(c-(g+1)*u)/g)<=0||Math.abs(d-m)<Math.abs(d-_)?m:_),p&&(3===r?this.ctx.setLineDash([0,u+d]):this.ctx.setLineDash([u,d])),3===r?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=mg(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===r&&(yb(n[0])&&(v=n[3],b=n[0],this.ctx.beginPath(),this.formatPath([new _b(v.end.x,v.end.y),new _b(b.start.x,b.start.y)]),this.ctx.stroke()),yb(n[1])&&(v=n[1],b=n[2],this.ctx.beginPath(),this.formatPath([new _b(v.end.x,v.end.y),new _b(b.start.x,b.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return up(this,void 0,void 0,(function(){var t;return dp(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=mg(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),s=new Sb(e,null),r=new Db(s),Tb(s,r,r,o=[]),Rb(s.container,o),t=r,[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}var s,r,o}))}))},t}(Wb),Jb=function(e){return e instanceof hv||(e instanceof Av||e instanceof lv&&"radio"!==e.type&&"checkbox"!==e.type)},Yb=function(e,t){switch(e){case 0:return Pb(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return xb(t)}},Zb=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},qb=["-apple-system","system-ui"],$b=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===qb.indexOf(e)})):e},ey=function(e){function t(t,i){var s=e.call(this,t,i)||this;return s.canvas=i.canvas?i.canvas:document.createElement("canvas"),s.ctx=s.canvas.getContext("2d"),s.options=i,s.canvas.width=Math.floor(i.width*i.scale),s.canvas.height=Math.floor(i.height*i.scale),s.canvas.style.width=i.width+"px",s.canvas.style.height=i.height+"px",s.ctx.scale(s.options.scale,s.options.scale),s.ctx.translate(-i.x,-i.y),s.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),s}return hp(t,e),t.prototype.render=function(e){return up(this,void 0,void 0,(function(){var t,i;return dp(this,(function(s){switch(s.label){case 0:return 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Uint8Array(e);return!(t.byteLength<Ww.length||t[0]!==Ww[0]||t[1]!==Ww[1]||t[2]!==Ww[2]||t[3]!==Ww[3]||t[4]!==Ww[4]||t[5]!==Ww[5]||t[6]!==Ww[6]||t[7]!==Ww[7]||t[8]!==Ww[8]||t[9]!==Ww[9]||t[10]!==Ww[10]||t[11]!==Ww[11])}(e)){return Zw((await Mw(t)).KTX2File,e,t)}const{BasisFile:i}=await Cw(t);return Jw(i,e,t)}if("encoder"===t.basis.module){const i=await Mw(t);return"ktx2"===t.basis.containerFormat?Zw(i.KTX2File,e,t):Jw(i.BasisFile,e,t)}{const{BasisFile:i}=await Cw(t);return Jw(i,e,t)}}},{_parseImageNode:iP}=globalThis,sP="undefined"!=typeof Image,rP="undefined"!=typeof ImageBitmap,oP=Boolean(iP),nP=!!Ay||oP;function aP(e){const t=function(e){if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"imagebitmap";if("undefined"!=typeof Image&&e instanceof Image)return"image";if(e&&"object"==typeof e&&e.data&&e.width&&e.height)return"data";return null}(e);if(!t)throw new Error("Not an image");return t}const lP=/^data:image\/svg\+xml/,AP=/\.svg((\?|#).*)?$/;function hP(e){return e&&(lP.test(e)||AP.test(e))}function cP(e,t){if(hP(t))throw new Error("SVG cannot be parsed directly to imagebitmap");return new Blob([new Uint8Array(e)])}async function uP(e,t,i){const s=function(e,t){if(hP(t)){let t=(new TextDecoder).decode(e);try{"function"==typeof unescape&&"function"==typeof encodeURIComponent&&(t=unescape(encodeURIComponent(t)))}catch(e){throw new Error(e.message)}return"data:image/svg+xml;base64,".concat(btoa(t))}return cP(e,t)}(e,i),r=self.URL||self.webkitURL,o="string"!=typeof s&&r.createObjectURL(s);try{return await async function(e,t){const i=new Image;if(i.src=e,t.image&&t.image.decode&&i.decode)return await i.decode(),i;return await new Promise(((t,s)=>{try{i.onload=()=>t(i),i.onerror=t=>s(new Error("Could not load image ".concat(e,": ").concat(t)))}catch(e){s(e)}}))}(o||s,t)}finally{o&&r.revokeObjectURL(o)}}const dP={};let pP=!0;async function fP(e,t,i){let s;if(hP(i)){s=await uP(e,t,i)}else s=cP(e,i);const r=t&&t.imagebitmap;return await async function(e,t=null){!function(e){for(const t in e||dP)return!1;return!0}(t)&&pP||(t=null);if(t)try{return await createImageBitmap(e,t)}catch(e){console.warn(e),pP=!1}return await createImageBitmap(e)}(s,r)}function gP(e){const t=mP(e);return function(e){const t=mP(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){const t=mP(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;const{tableMarkers:i,sofMarkers:s}=function(){const e=new Set([65499,65476,65484,65501,65534]);for(let t=65504;t<65520;++t)e.add(t);const t=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:t}}();let r=2;for(;r+9<t.byteLength;){const e=t.getUint16(r,false);if(s.has(e))return{mimeType:"image/jpeg",height:t.getUint16(r+5,false),width:t.getUint16(r+7,false)};if(!i.has(e))return null;r+=2,r+=t.getUint16(r,false)}return null}(t)||function(e){const t=mP(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){const t=mP(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function mP(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}const _P={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:async function(e,t,i){const s=((t=t||{}).image||{}).type||"auto",{url:r}=i||{};let o;switch(function(e){switch(e){case"auto":case"data":return function(){if(rP)return"imagebitmap";if(sP)return"image";if(nP)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return rP||sP||nP;case"imagebitmap":return rP;case"image":return sP;case"data":return nP;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}(s)){case"imagebitmap":o=await fP(e,t,r);break;case"image":o=await uP(e,t,r);break;case"data":o=await async function(e,t){const{mimeType:i}=gP(e)||{},s=globalThis._parseImageNode;return ly(s),await s(e,i)}(e);break;default:ly(!1)}return"data"===s&&(o=function(e){switch(aP(e)){case"data":return e;case"image":case"imagebitmap":const t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}(o)),o},tests:[e=>Boolean(gP(new DataView(e)))],options:{image:{type:"auto",decode:!0}}},vP=["image/png","image/jpeg","image/gif"],bP={};function yP(e){return void 0===bP[e]&&(bP[e]=function(e){switch(e){case"image/webp":return function(){if(!Ay)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch{return!1}}();case"image/svg":return Ay;default:if(!Ay){const{_parseImageNode:t}=globalThis;return Boolean(t)&&vP.includes(e)}return!0}}(e)),bP[e]}function BP(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function wP(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;const i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}const PP=["SCALAR","VEC2","VEC3","VEC4"],xP=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],CP=new Map(xP),MP={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},EP={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},FP={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function IP(e){return PP[e-1]||PP[0]}function DP(e){const t=CP.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function SP(e,t){const i=FP[e.componentType],s=MP[e.type],r=EP[e.componentType],o=e.count*s,n=e.count*s*r;return BP(n>=0&&n<=t.byteLength),{ArrayType:i,length:o,byteLength:n}}const TP={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]};class RP{constructor(e){_y(this,"gltf",void 0),_y(this,"sourceBuffers",void 0),_y(this,"byteLength",void 0),this.gltf=e||{json:{...TP},buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}get json(){return this.gltf.json}getApplicationData(e){return this.json[e]}getExtraData(e){return(this.json.extras||{})[e]}getExtension(e){const t=this.getUsedExtensions().find((t=>t===e)),i=this.json.extensions||{};return t?i[e]||!0:null}getRequiredExtension(e){const t=this.getRequiredExtensions().find((t=>t===e));return t?this.getExtension(e):null}getRequiredExtensions(){return this.json.extensionsRequired||[]}getUsedExtensions(){return this.json.extensionsUsed||[]}getObjectExtension(e,t){return(e.extensions||{})[t]}getScene(e){return this.getObject("scenes",e)}getNode(e){return this.getObject("nodes",e)}getSkin(e){return this.getObject("skins",e)}getMesh(e){return this.getObject("meshes",e)}getMaterial(e){return this.getObject("materials",e)}getAccessor(e){return this.getObject("accessors",e)}getTexture(e){return this.getObject("textures",e)}getSampler(e){return this.getObject("samplers",e)}getImage(e){return this.getObject("images",e)}getBufferView(e){return this.getObject("bufferViews",e)}getBuffer(e){return this.getObject("buffers",e)}getObject(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}getTypedArrayForBufferView(e){const t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];BP(i);const s=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,s,e.byteLength)}getTypedArrayForAccessor(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,{ArrayType:s,length:r}=SP(e,t);return new s(i,t.byteOffset+e.byteOffset,r)}getTypedArrayForImageData(e){e=this.getAccessor(e);const t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,s=t.byteOffset||0;return new Uint8Array(i,s,t.byteLength)}addApplicationData(e,t){return this.json[e]=t,this}addExtraData(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}addObjectExtension(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}setObjectExtension(e,t,i){(e.extensions||{})[t]=i}removeObjectExtension(e,t){const i=e.extensions||{},s=i[t];return delete i[t],s}addExtension(e,t={}){return BP(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}addRequiredExtension(e,t={}){return BP(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}registerUsedExtension(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((t=>t===e))||this.json.extensionsUsed.push(e)}registerRequiredExtension(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((t=>t===e))||this.json.extensionsRequired.push(e)}removeExtension(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}setDefaultScene(e){this.json.scene=e}addScene(e){const{nodeIndices:t}=e;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}addNode(e){const{meshIndex:t,matrix:i}=e;this.json.nodes=this.json.nodes||[];const s={mesh:t};return i&&(s.matrix=i),this.json.nodes.push(s),this.json.nodes.length-1}addMesh(e){const{attributes:t,indices:i,material:s,mode:r=4}=e,o={primitives:[{attributes:this._addAttributes(t),mode:r}]};if(i){const e=this._addIndices(i);o.primitives[0].indices=e}return Number.isFinite(s)&&(o.primitives[0].material=s),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}addPointCloud(e){const t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}addImage(e,t){const i=gP(e),s=t||(null==i?void 0:i.mimeType),r={bufferView:this.addBufferView(e),mimeType:s};return this.json.images=this.json.images||[],this.json.images.push(r),this.json.images.length-1}addBufferView(e){const t=e.byteLength;BP(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);const i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=Vy(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}addAccessor(e,t){const i={bufferView:e,type:IP(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}addBinaryBuffer(e,t={size:3}){const i=this.addBufferView(e);let s={min:t.min,max:t.max};s.min&&s.max||(s=this._getAccessorMinMax(e,t.size));const r={size:t.size,componentType:DP(e),count:Math.round(e.length/t.size),min:s.min,max:s.max};return this.addAccessor(i,Object.assign(r,t))}addTexture(e){const{imageIndex:t}=e,i={source:t};return this.json.textures=this.json.textures||[],this.json.textures.push(i),this.json.textures.length-1}addMaterial(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}createBinaryChunk(){var e,t;this.gltf.buffers=[];const i=this.byteLength,s=new ArrayBuffer(i),r=new Uint8Array(s);let o=0;for(const e of this.sourceBuffers||[])o=Hy(e,r,o);null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=i:this.json.buffers=[{byteLength:i}],this.gltf.binary=s,this.sourceBuffers=[s]}_removeStringFromArray(e,t){let i=!0;for(;i;){const s=e.indexOf(t);s>-1?e.splice(s,1):i=!1}}_addAttributes(e={}){const t={};for(const i in e){const s=e[i],r=this._getGltfAttributeName(i),o=this.addBinaryBuffer(s.value,s);t[r]=o}return t}_addIndices(e){return this.addBinaryBuffer(e,{size:1})}_getGltfAttributeName(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}_getAccessorMinMax(e,t){const i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];const s=e.subarray(0,t);for(const e of s)i.min.push(e),i.max.push(e);for(let s=t;s<e.length;s+=t)for(let r=0;r<t;r++)i.min[0+r]=Math.min(i.min[0+r],e[s+r]),i.max[0+r]=Math.max(i.max[0+r],e[s+r]);return i}}const LP="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",UP="B9h9z9tFBBBF8dL9gBB9gLaaaaaFa9gEaaaB9gGaaB9gFaFaEQSBBFBFFGEGEGIILF9wFFFLEFBFKNFaFCx/aFMO/LFVK9tv9t9vq95GBt9f9f939h9z9t9f9j9h9s9s9f9jW9vq9zBBp9tv9z9o9v9wW9f9kv9j9v9kv9WvqWv94h919m9mvqBG8Z9tv9z9o9v9wW9f9kv9j9v9kv9J9u9kv94h919m9mvqBIy9tv9z9o9v9wW9f9kv9j9v9kv9J9u9kv949TvZ91v9u9jvBLn9tv9z9o9v9wW9f9kv9j9v9kv69p9sWvq9P9jWBKi9tv9z9o9v9wW9f9kv9j9v9kv69p9sWvq9R919hWBNn9tv9z9o9v9wW9f9kv9j9v9kv69p9sWvq9F949wBcI9z9iqlBMc/j9JSIBTEM9+FLa8jUUUUBCTlRBCBRFEXCBRGCBREEXABCNJAGJAECUaAFAGrCFZHIy86BBAEAIJREAGCFJHGCN9HQBMAFCx+YUUBJAE86BBAFCEWCxkUUBJAB8pEN83EBAFCFJHFCUG9HQBMMkRIbaG97FaK978jUUUUBCU/KBlHL8kUUUUBC9+RKGXAGCFJAI9LQBCaRKAE2BBC+gF9HQBALAEAIJHOAGlAG/8cBBCUoBAG9uC/wgBZHKCUGAKCUG9JyRNAECFJRKCBRVGXEXAVAF9PQFANAFAVlAVANJAF9JyRcGXGXAG9FQBAcCbJHIC9wZHMCE9sRSAMCFWRQAICIrCEJCGrRfCBRbEXAKRTCBRtGXEXGXAOATlAf9PQBCBRKSLMALCU/CBJAtAM9sJRmATAfJRKCBREGXAMCoB9JQBAOAKlC/gB9JQBCBRIEXAmAIJREGXGXGXGXGXATAICKrJ2BBHYCEZfIBFGEBMAECBDtDMIBSEMAEAKDBBIAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnHPCGD+MFAPDQBTFtGmEYIPLdKeOnC0+G+MiDtD9OHdCEDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBAeCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMIBAKCIJAnDeBJAeCx+YUUBJ2BBJRKSGMAEAKDBBNAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnC+P+e+8/4BDtD9OHdCbDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBAeCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMIBAKCNJAnDeBJAeCx+YUUBJ2BBJRKSFMAEAKDBBBDMIBAKCTJRKMGXGXGXGXGXAYCGrCEZfIBFGEBMAECBDtDMITSEMAEAKDBBIAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnHPCGD+MFAPDQBTFtGmEYIPLdKeOnC0+G+MiDtD9OHdCEDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBAeCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMITAKCIJAnDeBJAeCx+YUUBJ2BBJRKSGMAEAKDBBNAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnC+P+e+8/4BDtD9OHdCbDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBAeCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMITAKCNJAnDeBJAeCx+YUUBJ2BBJRKSFMAEAKDBBBDMITAKCTJRKMGXGXGXGXGXAYCIrCEZfIBFGEBMAECBDtDMIASEMAEAKDBBIAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnHPCGD+MFAPDQBTFtGmEYIPLdKeOnC0+G+MiDtD9OHdCEDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBAeCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMIAAKCIJAnDeBJAeCx+YUUBJ2BBJRKSGMAEAKDBBNAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnC+P+e+8/4BDtD9OHdCbDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBAeCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMIAAKCNJAnDeBJAeCx+YUUBJ2BBJRKSFMAEAKDBBBDMIAAKCTJRKMGXGXGXGXGXAYCKrfIBFGEBMAECBDtDMI8wSEMAEAKDBBIAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnHPCGD+MFAPDQBTFtGmEYIPLdKeOnC0+G+MiDtD9OHdCEDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HYCEWCxkUUBJDBEBAYCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HYCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMI8wAKCIJAnDeBJAYCx+YUUBJ2BBJRKSGMAEAKDBBNAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnC+P+e+8/4BDtD9OHdCbDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HYCEWCxkUUBJDBEBAYCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HYCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMI8wAKCNJAnDeBJAYCx+YUUBJ2BBJRKSFMAEAKDBBBDMI8wAKCTJRKMAICoBJREAICUFJAM9LQFAERIAOAKlC/fB9LQBMMGXAEAM9PQBAECErRIEXGXAOAKlCi9PQBCBRKSOMAmAEJRYGXGXGXGXGXATAECKrJ2BBAICKZrCEZfIBFGEBMAYCBDtDMIBSEMAYAKDBBIAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnHPCGD+MFAPDQBTFtGmEYIPLdKeOnC0+G+MiDtD9OHdCEDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBAeCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMIBAKCIJAnDeBJAeCx+YUUBJ2BBJRKSGMAYAKDBBNAKDBBBHPCID+MFAPDQBTFtGmEYIPLdKeOnC+P+e+8/4BDtD9OHdCbDbD8jHPD8dBhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBAeCx+YUUBJDBBBHnAnDQBBBBBBBBBBBBBBBBAPD8dFhUg/8/4/w/goB9+h84k7HeCEWCxkUUBJDBEBD9uDQBFGEILKOTtmYPdenDfAdAPD9SDMIBAKCNJAnDeBJAeCx+YUUBJ2BBJRKSFMAYAKDBBBDMIBAKCTJRKMAICGJRIAECTJHEAM9JQBMMGXAK9FQBAKRTAtCFJHtCI6QGSFMMCBRKSEMGXAM9FQBALCUGJAbJREALAbJDBGBRnCBRYEXAEALCU/CBJAYJHIDBIBHdCFD9tAdCFDbHPD9OD9hD9RHdAIAMJDBIBHiCFD9tAiAPD9OD9hD9RHiDQBTFtGmEYIPLdKeOnH8ZAIAQJDBIBHpCFD9tApAPD9OD9hD9RHpAIASJDBIBHyCFD9tAyAPD9OD9hD9RHyDQBTFtGmEYIPLdKeOnH8cDQBFTtGEmYILPdKOenHPAPDQBFGEBFGEBFGEBFGEAnD9uHnDyBjGBAEAGJHIAnAPAPDQILKOILKOILKOILKOD9uHnDyBjGBAIAGJHIAnAPAPDQNVcMNVcMNVcMNVcMD9uHnDyBjGBAIAGJHIAnAPAPDQSQfbSQfbSQfbSQfbD9uHnDyBjGBAIAGJHIAnA8ZA8cDQNVi8ZcMpySQ8c8dfb8e8fHPAPDQBFGEBFGEBFGEBFGED9uHnDyBjGBAIAGJHIAnAPAPDQILKOILKOILKOILKOD9uHnDyBjGBAIAGJHIAnAPAPDQNVcMNVcMNVcMNVcMD9uHnDyBjGBAIAGJHIAnAPAPDQSQfbSQfbSQfbSQfbD9uHnDyBjGBAIAGJHIAnAdAiDQNiV8ZcpMyS8cQ8df8eb8fHdApAyDQNiV8ZcpMyS8cQ8df8eb8fHiDQBFTtGEmYILPdKOenHPAPDQBFGEBFGEBFGEBFGED9uHnDyBjGBAIAGJHIAnAPAPDQILKOILKOILKOILKOD9uHnDyBjGBAIAGJHIAnAPAPDQNVcMNVcMNVcMNVcMD9uHnDyBjGBAIAGJHIAnAPAPDQSQfbSQfbSQfbSQfbD9uHnDyBjGBAIAGJHIAnAdAiDQNVi8ZcMpySQ8c8dfb8e8fHPAPDQBFGEBFGEBFGEBFGED9uHnDyBjGBAIAGJHIAnAPAPDQILKOILKOILKOILKOD9uHnDyBjGBAIAGJHIAnAPAPDQNVcMNVcMNVcMNVcMD9uHnDyBjGBAIAGJHIAnAPAPDQSQfbSQfbSQfbSQfbD9uHnDyBjGBAIAGJREAYCTJHYAM9JQBMMAbCIJHbAG9JQBMMABAVAG9sJALCUGJAcAG9s/8cBBALALCUGJAcCaJAG9sJAG/8cBBMAcCBAKyAVJRVAKQBMC9+RKSFMCBC99AOAKlAGCAAGCA9Ly6yRKMALCU/KBJ8kUUUUBAKMNBT+BUUUBM+KmFTa8jUUUUBCoFlHL8kUUUUBC9+RKGXAFCE9uHOCtJAI9LQBCaRKAE2BBHNC/wFZC/gF9HQBANCbZHVCF9LQBALCoBJCgFCUF/8MBALC84Jha83EBALC8wJha83EBALC8oJha83EBALCAJha83EBALCiJha83EBALCTJha83EBALha83ENALha83EBAEAIJC9wJRcAECFJHNAOJRMGXAF9FQBCQCbAVCF6yRSABRECBRVCBRQCBRfCBRICBRKEXGXAMAcuQBC9+RKSEMGXGXAN2BBHOC/vF9LQBALCoBJAOCIrCa9zAKJCbZCEWJHb8oGIRTAb8oGBRtGXAOCbZHbAS9PQBALAOCa9zAIJCbZCGWJ8oGBAVAbyROAb9FRbGXGXAGCG9HQBABAt87FBABCIJAO87FBABCGJAT87FBSFMAEAtjGBAECNJAOjGBAECIJATjGBMAVAbJRVALCoBJAKCEWJHmAOjGBAmATjGIALAICGWJAOjGBALCoBJAKCFJCbZHKCEWJHTAtjGBATAOjGIAIAbJRIAKCFJRKSGMGXGXAbCb6QBAQAbJAbC989zJCFJRQSFMAM1BBHbCgFZROGXGXAbCa9MQBAMCFJRMSFMAM1BFHbCgBZCOWAOCgBZqROGXAbCa9MQBAMCGJRMSFMAM1BGHbCgBZCfWAOqROGXAbCa9MQBAMCEJRMSFMAM1BEHbCgBZCdWAOqROGXAbCa9MQBAMCIJRMSFMAM2BIC8cWAOqROAMCLJRMMAOCFrCBAOCFZl9zAQJRQMGXGXAGCG9HQBABAt87FBABCIJAQ87FBABCGJAT87FBSFMAEAtjGBAECNJAQjGBAECIJATjGBMALCoBJAKCEWJHOAQjGBAOATjGIALAICGWJAQjGBALCoBJAKCFJCbZHKCEWJHOAtjGBAOAQjGIAICFJRIAKCFJRKSFMGXAOCDF9LQBALAIAcAOCbZJ2BBHbCIrHTlCbZCGWJ8oGBAVCFJHtATyROALAIAblCbZCGWJ8oGBAtAT9FHmJHtAbCbZHTyRbAT9FRTGXGXAGCG9HQBABAV87FBABCIJAb87FBABCGJAO87FBSFMAEAVjGBAECNJAbjGBAECIJAOjGBMALAICGWJAVjGBALCoBJAKCEWJHYAOjGBAYAVjGIALAICFJHICbZCGWJAOjGBALCoBJAKCFJCbZCEWJHYAbjGBAYAOjGIALAIAmJCbZHICGWJAbjGBALCoBJAKCGJCbZHKCEWJHOAVjGBAOAbjGIAKCFJRKAIATJRIAtATJRVSFMAVCBAM2BBHYyHTAOC/+F6HPJROAYCbZRtGXGXAYCIrHmQBAOCFJRbSFMAORbALAIAmlCbZCGWJ8oGBROMGXGXAtQBAbCFJRVSFMAbRVALAIAYlCbZCGWJ8oGBRbMGXGXAP9FQBAMCFJRYSFMAM1BFHYCgFZRTGXGXAYCa9MQBAMCGJRYSFMAM1BGHYCgBZCOWATCgBZqRTGXAYCa9MQBAMCEJRYSFMAM1BEHYCgBZCfWATqRTGXAYCa9MQBAMCIJRYSFMAM1BIHYCgBZCdWATqRTGXAYCa9MQBAMCLJRYSFMAMCKJRYAM2BLC8cWATqRTMATCFrCBATCFZl9zAQJHQRTMGXGXAmCb6QBAYRPSFMAY1BBHMCgFZROGXGXAMCa9MQBAYCFJRPSFMAY1BFHMCgBZCOWAOCgBZqROGXAMCa9MQBAYCGJRPSFMAY1BGHMCgBZCfWAOqROGXAMCa9MQBAYCEJRPSFMAY1BEHMCgBZCdWAOqROGXAMCa9MQBAYCIJRPSFMAYCLJRPAY2BIC8cWAOqROMAOCFrCBAOCFZl9zAQJHQROMGXGXAtCb6QBAPRMSFMAP1BBHMCgFZRbGXGXAMCa9MQBAPCFJRMSFMAP1BFHMCgBZCOWAbCgBZqRbGXAMCa9MQBAPCGJRMSFMAP1BGHMCgBZCfWAbqRbGXAMCa9MQBAPCEJRMSFMAP1BEHMCgBZCdWAbqRbGXAMCa9MQBAPCIJRMSFMAPCLJRMAP2BIC8cWAbqRbMAbCFrCBAbCFZl9zAQJHQRbMGXGXAGCG9HQBABAT87FBABCIJAb87FBABCGJAO87FBSFMAEATjGBAECNJAbjGBAECIJAOjGBMALCoBJAKCEWJHYAOjGBAYATjGIALAICGWJATjGBALCoBJAKCFJCbZCEWJHYAbjGBAYAOjGIALAICFJHICbZCGWJAOjGBALCoBJAKCGJCbZCEWJHOATjGBAOAbjGIALAIAm9FAmCb6qJHICbZCGWJAbjGBAIAt9FAtCb6qJRIAKCEJRKMANCFJRNABCKJRBAECSJREAKCbZRKAICbZRIAfCEJHfAF9JQBMMCBC99AMAc6yRKMALCoFJ8kUUUUBAKM/tIFGa8jUUUUBCTlRLC9+RKGXAFCLJAI9LQBCaRKAE2BBC/+FZC/QF9HQBALhB83ENAECFJRKAEA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t=await WebAssembly.instantiate(function(e){const t=new Uint8Array(e.length);for(let i=0;i<e.length;++i){const s=e.charCodeAt(i);t[i]=s>96?s-71:s>64?s-65:s>47?s+4:s>46?63:62}let i=0;for(let s=0;s<e.length;++s)t[i++]=t[s]<60?kP[t[s]]:64*(t[s]-60)+t[++s];return t.buffer.slice(0,i)}(e),{});return await t.instance.exports.__wasm_call_ctors(),t.instance}());return HP}();!function(e,t,i,s,r,o,n){const a=e.exports.sbrk,l=s+3&-4,A=a(l*r),h=a(o.length),c=new Uint8Array(e.exports.memory.buffer);c.set(o,h);const u=t(A,s,r,h,o.length);0===u&&n&&n(A,l,r);if(i.set(c.subarray(A,A+s*r)),a(A-a(0)),0!==u)throw new Error("Malformed buffer data: ".concat(u))}(n,n.exports[QP[r]],e,t,i,s,n.exports[NP[o||"NONE"]])}let HP;async function jP(e,t){const i=e.getObjectExtension(t,"EXT_meshopt_compression");if(i){const{byteOffset:s=0,byteLength:r=0,byteStride:o,count:n,mode:a,filter:l="NONE",buffer:A}=i,h=e.gltf.buffers[A],c=new Uint8Array(h.arrayBuffer,h.byteOffset+s,r),u=new 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KP=Object.freeze({__proto__:null,name:"KHR_texture_basisu",preprocess:function(e,t){const i=new RP(e),{json:s}=i;for(const e of s.textures||[]){const t=i.getObjectExtension(e,"KHR_texture_basisu");t&&(e.source=t.source),i.removeObjectExtension(e,"KHR_texture_basisu")}i.removeExtension("KHR_texture_basisu")}});const WP={name:"Draco",id:"draco",module:"draco",shapes:["mesh"],version:"3.2.6",worker:!0,extensions:["drc"],mimeTypes:["application/octet-stream"],binary:!0,tests:["DRACO"],options:{draco:{decoderType:"object"==typeof WebAssembly?"wasm":"js",libraryPath:"libs/",extraAttributes:{},attributeNameEntry:void 0}}};class XP{constructor(e,t){_y(this,"fields",void 0),_y(this,"metadata",void 0),function(e,t){if(!e)throw new Error(t||"loader assertion failed.")}(Array.isArray(e)),function(e){const t={};for(const i of e)t[i.name]&&console.warn("Schema: duplicated field name",i.name,i),t[i.name]=!0}(e),this.fields=e,this.metadata=t||new 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this.type&&this.type.typeId}clone(){return new YP(this.name,this.type,this.nullable,this.metadata)}compareTo(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}toString(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}let ZP,qP,$P,ex;!function(e){e[e.NONE=0]="NONE",e[e.Null=1]="Null",e[e.Int=2]="Int",e[e.Float=3]="Float",e[e.Binary=4]="Binary",e[e.Utf8=5]="Utf8",e[e.Bool=6]="Bool",e[e.Decimal=7]="Decimal",e[e.Date=8]="Date",e[e.Time=9]="Time",e[e.Timestamp=10]="Timestamp",e[e.Interval=11]="Interval",e[e.List=12]="List",e[e.Struct=13]="Struct",e[e.Union=14]="Union",e[e.FixedSizeBinary=15]="FixedSizeBinary",e[e.FixedSizeList=16]="FixedSizeList",e[e.Map=17]="Map",e[e.Dictionary=-1]="Dictionary",e[e.Int8=-2]="Int8",e[e.Int16=-3]="Int16",e[e.Int32=-4]="Int32",e[e.Int64=-5]="Int64",e[e.Uint8=-6]="Uint8",e[e.Uint16=-7]="Uint16",e[e.Uint32=-8]="Uint32",e[e.Uint64=-9]="Uint64",e[e.Float16=-10]="Float16",e[e.Float32=-11]="Float32",e[e.Float64=-12]="Float64",e[e.DateDay=-13]="DateDay",e[e.DateMillisecond=-14]="DateMillisecond",e[e.TimestampSecond=-15]="TimestampSecond",e[e.TimestampMillisecond=-16]="TimestampMillisecond",e[e.TimestampMicrosecond=-17]="TimestampMicrosecond",e[e.TimestampNanosecond=-18]="TimestampNanosecond",e[e.TimeSecond=-19]="TimeSecond",e[e.TimeMillisecond=-20]="TimeMillisecond",e[e.TimeMicrosecond=-21]="TimeMicrosecond",e[e.TimeNanosecond=-22]="TimeNanosecond",e[e.DenseUnion=-23]="DenseUnion",e[e.SparseUnion=-24]="SparseUnion",e[e.IntervalDayTime=-25]="IntervalDayTime",e[e.IntervalYearMonth=-26]="IntervalYearMonth"}(ZP||(ZP={}));class tx{static isNull(e){return e&&e.typeId===ZP.Null}static isInt(e){return e&&e.typeId===ZP.Int}static isFloat(e){return e&&e.typeId===ZP.Float}static isBinary(e){return e&&e.typeId===ZP.Binary}static isUtf8(e){return e&&e.typeId===ZP.Utf8}static isBool(e){return e&&e.typeId===ZP.Bool}static isDecimal(e){return e&&e.typeId===ZP.Decimal}static isDate(e){return e&&e.typeId===ZP.Date}static isTime(e){return e&&e.typeId===ZP.Time}static isTimestamp(e){return e&&e.typeId===ZP.Timestamp}static isInterval(e){return e&&e.typeId===ZP.Interval}static isList(e){return e&&e.typeId===ZP.List}static isStruct(e){return e&&e.typeId===ZP.Struct}static isUnion(e){return e&&e.typeId===ZP.Union}static isFixedSizeBinary(e){return e&&e.typeId===ZP.FixedSizeBinary}static isFixedSizeList(e){return e&&e.typeId===ZP.FixedSizeList}static isMap(e){return e&&e.typeId===ZP.Map}static isDictionary(e){return e&&e.typeId===ZP.Dictionary}get typeId(){return ZP.NONE}compareTo(e){return this===e}}qP=Symbol.toStringTag;class ix extends tx{constructor(e,t){super(),_y(this,"isSigned",void 0),_y(this,"bitWidth",void 0),this.isSigned=e,this.bitWidth=t}get typeId(){return ZP.Int}get[qP](){return"Int"}toString(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}class sx extends ix{constructor(){super(!0,8)}}class rx extends ix{constructor(){super(!0,16)}}class ox extends ix{constructor(){super(!0,32)}}class nx extends ix{constructor(){super(!1,8)}}class ax extends ix{constructor(){super(!1,16)}}class lx extends ix{constructor(){super(!1,32)}}const Ax=32,hx=64;$P=Symbol.toStringTag;class cx extends tx{constructor(e){super(),_y(this,"precision",void 0),this.precision=e}get typeId(){return ZP.Float}get[$P](){return"Float"}toString(){return"Float".concat(this.precision)}}class ux extends cx{constructor(){super(Ax)}}class dx extends cx{constructor(){super(hx)}}ex=Symbol.toStringTag;class px extends tx{constructor(e,t){super(),_y(this,"listSize",void 0),_y(this,"children",void 0),this.listSize=e,this.children=[t]}get typeId(){return ZP.FixedSizeList}get valueType(){return this.children[0].type}get valueField(){return this.children[0]}get[ex](){return"FixedSizeList"}toString(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}function fx(e,t,i){const s=function(e){switch(e.constructor){case Int8Array:return new sx;case Uint8Array:return new nx;case Int16Array:return new rx;case Uint16Array:return new ax;case Int32Array:return new ox;case Uint32Array:return new lx;case Float32Array:return new ux;case Float64Array:return new dx;default:throw new Error("array type not supported")}}(t.value),r=i||function(e){const t=new Map;"byteOffset"in e&&t.set("byteOffset",e.byteOffset.toString(10));"byteStride"in e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new YP(e,new px(t.size,new YP("value",s)),!1,r)}function gx(e,t,i){return fx(e,t,i?mx(i.metadata):void 0)}function mx(e){const t=new Map;for(const i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}const _x={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},vx={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array};class bx{constructor(e){_y(this,"draco",void 0),_y(this,"decoder",void 0),_y(this,"metadataQuerier",void 0),this.draco=e,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}destroy(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}parseSync(e,t={}){const i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);const s=this.decoder.GetEncodedGeometryType(i),r=s===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{let e;switch(s){case this.draco.TRIANGULAR_MESH:e=this.decoder.DecodeBufferToMesh(i,r);break;case this.draco.POINT_CLOUD:e=this.decoder.DecodeBufferToPointCloud(i,r);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!e.ok()||!r.ptr){const t="DRACO decompression failed: ".concat(e.error_msg());throw new Error(t)}const o=this._getDracoLoaderData(r,s,t),n=this._getMeshData(r,o,t),a=function(e){let t=1/0,i=1/0,s=1/0,r=-1/0,o=-1/0,n=-1/0;const a=e.POSITION?e.POSITION.value:[],l=a&&a.length;for(let e=0;e<l;e+=3){const l=a[e],A=a[e+1],h=a[e+2];t=l<t?l:t,i=A<i?A:i,s=h<s?h:s,r=l>r?l:r,o=A>o?A:o,n=h>n?h:n}return[[t,i,s],[r,o,n]]}(n.attributes),l=function(e,t,i){const s=mx(t.metadata),r=[],o=function(e){const t={};for(const i in e){const s=e[i];t[s.name||"undefined"]=s}return t}(t.attributes);for(const t in e){const i=gx(t,e[t],o[t]);r.push(i)}if(i){const e=gx("indices",i);r.push(e)}return new XP(r,s)}(n.attributes,o,n.indices);return{loader:"draco",loaderData:o,header:{vertexCount:r.num_points(),boundingBox:a},...n,schema:l}}finally{this.draco.destroy(i),r&&this.draco.destroy(r)}}_getDracoLoaderData(e,t,i){const s=this._getTopLevelMetadata(e),r=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:s,attributes:r}}_getDracoAttributes(e,t){const i={};for(let s=0;s<e.num_attributes();s++){const r=this.decoder.GetAttribute(e,s),o=this._getAttributeMetadata(e,s);i[r.unique_id()]={unique_id:r.unique_id(),attribute_type:r.attribute_type(),data_type:r.data_type(),num_components:r.num_components(),byte_offset:r.byte_offset(),byte_stride:r.byte_stride(),normalized:r.normalized(),attribute_index:s,metadata:o};const n=this._getQuantizationTransform(r,t);n&&(i[r.unique_id()].quantization_transform=n);const a=this._getOctahedronTransform(r,t);a&&(i[r.unique_id()].octahedron_transform=a)}return i}_getMeshData(e,t,i){const s=this._getMeshAttributes(t,e,i);if(!s.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:s,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:s,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:s}}_getMeshAttributes(e,t,i){const s={};for(const r of Object.values(e.attributes)){const e=this._deduceAttributeName(r,i);r.name=e;const{value:o,size:n}=this._getAttributeValues(t,r);s[e]={value:o,size:n,byteOffset:r.byte_offset,byteStride:r.byte_stride,normalized:r.normalized}}return s}_getTriangleListIndices(e){const t=3*e.num_faces(),i=4*t,s=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,s),new Uint32Array(this.draco.HEAPF32.buffer,s,t).slice()}finally{this.draco._free(s)}}_getTriangleStripIndices(e){const t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(t)}finally{this.draco.destroy(t)}}_getAttributeValues(e,t){const i=vx[t.data_type],s=t.num_components,r=e.num_points()*s,o=r*i.BYTES_PER_ELEMENT,n=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,i);let a;const l=this.draco._malloc(o);try{const s=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,s,n,o,l),a=new i(this.draco.HEAPF32.buffer,l,r).slice()}finally{this.draco._free(l)}return{value:a,size:s}}_deduceAttributeName(e,t){const i=e.unique_id;for(const[e,s]of Object.entries(t.extraAttributes||{}))if(s===i)return e;const s=e.attribute_type;for(const e in _x){if(this.draco[e]===s)return _x[e]}const r=t.attributeNameEntry||"name";return e.metadata[r]?e.metadata[r].string:"CUSTOM_ATTRIBUTE_".concat(i)}_getTopLevelMetadata(e){const t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}_getAttributeMetadata(e,t){const i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}_getDracoMetadata(e){if(!e||!e.ptr)return{};const t={},i=this.metadataQuerier.NumEntries(e);for(let s=0;s<i;s++){const i=this.metadataQuerier.GetEntryName(e,s);t[i]=this._getDracoMetadataField(e,i)}return t}_getDracoMetadataField(e,t){const i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);const s=function(e){const t=e.size(),i=new Int32Array(t);for(let s=0;s<t;s++)i[s]=e.GetValue(s);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:s}}finally{this.draco.destroy(i)}}_disableAttributeTransforms(e){const{quantizedAttributes:t=[],octahedronAttributes:i=[]}=e,s=[...t,...i];for(const e of s)this.decoder.SkipAttributeTransform(this.draco[e])}_getQuantizationTransform(e,t){const{quantizedAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits(),range:t.range(),min_values:new Float32Array([1,2,3]).map((e=>t.min_value(e)))}}finally{this.draco.destroy(t)}}return null}_getOctahedronTransform(e,t){const{octahedronAttributes:i=[]}=t,s=e.attribute_type();if(i.map((e=>this.decoder[e])).includes(s)){const t=new this.draco.AttributeQuantizationTransform;try{if(t.InitFromAttribute(e))return{quantization_bits:t.quantization_bits()}}finally{this.draco.destroy(t)}}return null}}const yx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),Bx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),wx="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");let Px;async function xx(e){const t=e.modules||{};return Px=t.draco3d?Px||t.draco3d.createDecoderModule({}).then((e=>({draco:e}))):Px||async function(e){let t,i;if("js"===(e.draco&&e.draco.decoderType))t=await Ty(yx,"draco",e);else[t,i]=await Promise.all([await Ty(Bx,"draco",e),await Ty(wx,"draco",e)]);return t=t||globalThis.DracoDecoderModule,await function(e,t){const i={};t&&(i.wasmBinary=t);return new Promise((t=>{e({...i,onModuleLoaded:e=>t({draco:e})})}))}(t,i)}(e),await Px}const Cx={...WP,parse:async function(e,t){const{draco:i}=await xx(t),s=new bx(i);try{return s.parseSync(e,null==t?void 0:t.draco)}finally{s.destroy()}}};function Mx(e){const{buffer:t,size:i,count:s}=function(e){let t=e,i=1,s=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t,i=!1){if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),s=t.length/i);return{buffer:t,size:i,count:s}}(e);return{value:t,size:i,byteOffset:0,count:s,type:IP(i),componentType:DP(t)}}async function Ex(e,t,i,s){const r=e.getObjectExtension(t,"KHR_draco_mesh_compression");if(!r)return;const o=e.getTypedArrayForBufferView(r.bufferView),n=Qy(o.buffer,o.byteOffset),{parse:a}=s,l={...i};delete l["3d-tiles"];const A=await a(n,Cx,l,s),h=function(e){const t={};for(const i in e){const s=e[i];if("indices"!==i){const e=Mx(s);t[i]=e}}return t}(A.attributes);for(const[i,s]of Object.entries(h))if(i in t.attributes){const r=t.attributes[i],o=e.getAccessor(r);null!=o&&o.min&&null!=o&&o.max&&(s.min=o.min,s.max=o.max)}t.attributes=h,A.indices&&(t.indices=Mx(A.indices)),function(e){if(!e.attributes&&Object.keys(e.attributes).length>0)throw new Error("glTF: Empty primitive detected: Draco decompression failure?")}(t)}function Fx(e,t,i=4,s,r){var o;if(!s.DracoWriter)throw new Error("options.gltf.DracoWriter not provided");const n=s.DracoWriter.encodeSync({attributes:e}),a=null==r||null===(o=r.parseSync)||void 0===o?void 0:o.call(r,{attributes:e}),l=s._addFauxAttributes(a.attributes);return{primitives:[{attributes:l,mode:i,extensions:{KHR_draco_mesh_compression:{bufferView:s.addBufferView(n),attributes:l}}}]}}function*Ix(e){for(const t of e.json.meshes||[])for(const e of t.primitives)yield e}var Dx=Object.freeze({__proto__:null,name:"KHR_draco_mesh_compression",preprocess:function(e,t,i){const s=new RP(e);for(const e of Ix(s))s.getObjectExtension(e,"KHR_draco_mesh_compression")},decode:async function(e,t,i){var s;if(null==t||null===(s=t.gltf)||void 0===s||!s.decompressMeshes)return;const r=new RP(e),o=[];for(const e of Ix(r))r.getObjectExtension(e,"KHR_draco_mesh_compression")&&o.push(Ex(r,e,t,i));await Promise.all(o),r.removeExtension("KHR_draco_mesh_compression")},encode:function(e,t={}){const i=new RP(e);for(const e of i.json.meshes||[])Fx(e),i.addRequiredExtension("KHR_draco_mesh_compression")}});var Sx=Object.freeze({__proto__:null,name:"KHR_lights_punctual",decode:async function(e){const t=new RP(e),{json:i}=t,s=t.getExtension("KHR_lights_punctual");s&&(t.json.lights=s.lights,t.removeExtension("KHR_lights_punctual"));for(const e of i.nodes||[]){const i=t.getObjectExtension(e,"KHR_lights_punctual");i&&(e.light=i.light),t.removeObjectExtension(e,"KHR_lights_punctual")}},encode:async function(e){const t=new RP(e),{json:i}=t;if(i.lights){const e=t.addExtension("KHR_lights_punctual");BP(!e.lights),e.lights=i.lights,delete i.lights}if(t.json.lights){for(const e of t.json.lights){const i=e.node;t.addObjectExtension(i,"KHR_lights_punctual",e)}delete t.json.lights}}});function Tx(e,t){const i=Object.assign({},e.values);return Object.keys(e.uniforms||{}).forEach((t=>{e.uniforms[t].value&&!(t in i)&&(i[t]=e.uniforms[t].value)})),Object.keys(i).forEach((e=>{"object"==typeof i[e]&&void 0!==i[e].index&&(i[e].texture=t.getTexture(i[e].index))})),i}const Rx=[GP,zP,KP,Dx,Sx,Object.freeze({__proto__:null,name:"KHR_materials_unlit",decode:async function(e){const t=new RP(e),{json:i}=t;t.removeExtension("KHR_materials_unlit");for(const e of i.materials||[]){e.extensions&&e.extensions.KHR_materials_unlit&&(e.unlit=!0),t.removeObjectExtension(e,"KHR_materials_unlit")}},encode:function(e){const t=new RP(e),{json:i}=t;if(t.materials)for(const e of i.materials||[])e.unlit&&(delete e.unlit,t.addObjectExtension(e,"KHR_materials_unlit",{}),t.addExtension("KHR_materials_unlit"))}}),Object.freeze({__proto__:null,name:"KHR_techniques_webgl",decode:async function(e){const t=new RP(e),{json:i}=t,s=t.getExtension("KHR_techniques_webgl");if(s){const e=function(e,t){const{programs:i=[],shaders:s=[],techniques:r=[]}=e,o=new TextDecoder;return s.forEach((e=>{if(!Number.isFinite(e.bufferView))throw new Error("KHR_techniques_webgl: no shader code");e.code=o.decode(t.getTypedArrayForBufferView(e.bufferView))})),i.forEach((e=>{e.fragmentShader=s[e.fragmentShader],e.vertexShader=s[e.vertexShader]})),r.forEach((e=>{e.program=i[e.program]})),r}(s,t);for(const s of i.materials||[]){const i=t.getObjectExtension(s,"KHR_techniques_webgl");i&&(s.technique=Object.assign({},i,e[i.technique]),s.technique.values=Tx(s.technique,t)),t.removeObjectExtension(s,"KHR_techniques_webgl")}t.removeExtension("KHR_techniques_webgl")}},encode:async function(e,t){}})];function Lx(e,t){var i;const s=(null==t||null===(i=t.gltf)||void 0===i?void 0:i.excludeExtensions)||{};return!(e in s&&!s[e])}const Ux={accessors:"accessor",animations:"animation",buffers:"buffer",bufferViews:"bufferView",images:"image",materials:"material",meshes:"mesh",nodes:"node",samplers:"sampler",scenes:"scene",skins:"skin",textures:"texture"},Ox={accessor:"accessors",animations:"animation",buffer:"buffers",bufferView:"bufferViews",image:"images",material:"materials",mesh:"meshes",node:"nodes",sampler:"samplers",scene:"scenes",skin:"skins",texture:"textures"};class kx{constructor(){_y(this,"idToIndexMap",{animations:{},accessors:{},buffers:{},bufferViews:{},images:{},materials:{},meshes:{},nodes:{},samplers:{},scenes:{},skins:{},textures:{}}),_y(this,"json",void 0)}normalize(e,t){this.json=e.json;const i=e.json;switch(i.asset&&i.asset.version){case"2.0":return;case void 0:case"1.0":break;default:return void console.warn("glTF: Unknown version ".concat(i.asset.version))}if(!t.normalize)throw new Error("glTF v1 is not supported.");console.warn("Converting glTF v1 to glTF v2 format. This is experimental and may fail."),this._addAsset(i),this._convertTopLevelObjectsToArrays(i),function(e){const t=new RP(e),{json:i}=t;for(const e of i.images||[]){const i=t.getObjectExtension(e,"KHR_binary_glTF");i&&Object.assign(e,i),t.removeObjectExtension(e,"KHR_binary_glTF")}i.buffers&&i.buffers[0]&&delete i.buffers[0].uri,t.removeExtension("KHR_binary_glTF")}(e),this._convertObjectIdsToArrayIndices(i),this._updateObjects(i),this._updateMaterial(i)}_addAsset(e){e.asset=e.asset||{},e.asset.version="2.0",e.asset.generator=e.asset.generator||"Normalized to glTF 2.0 by loaders.gl"}_convertTopLevelObjectsToArrays(e){for(const t in Ux)this._convertTopLevelObjectToArray(e,t)}_convertTopLevelObjectToArray(e,t){const i=e[t];if(i&&!Array.isArray(i)){e[t]=[];for(const s in i){const r=i[s];r.id=r.id||s;const o=e[t].length;e[t].push(r),this.idToIndexMap[t][s]=o}}}_convertObjectIdsToArrayIndices(e){for(const t in Ux)this._convertIdsToIndices(e,t);"scene"in e&&(e.scene=this._convertIdToIndex(e.scene,"scene"));for(const t of e.textures)this._convertTextureIds(t);for(const t of e.meshes)this._convertMeshIds(t);for(const t of e.nodes)this._convertNodeIds(t);for(const t of e.scenes)this._convertSceneIds(t)}_convertTextureIds(e){e.source&&(e.source=this._convertIdToIndex(e.source,"image"))}_convertMeshIds(e){for(const t of e.primitives){const{attributes:e,indices:i,material:s}=t;for(const t in e)e[t]=this._convertIdToIndex(e[t],"accessor");i&&(t.indices=this._convertIdToIndex(i,"accessor")),s&&(t.material=this._convertIdToIndex(s,"material"))}}_convertNodeIds(e){e.children&&(e.children=e.children.map((e=>this._convertIdToIndex(e,"node")))),e.meshes&&(e.meshes=e.meshes.map((e=>this._convertIdToIndex(e,"mesh"))))}_convertSceneIds(e){e.nodes&&(e.nodes=e.nodes.map((e=>this._convertIdToIndex(e,"node"))))}_convertIdsToIndices(e,t){e[t]||(console.warn("gltf v1: json doesn't contain attribute ".concat(t)),e[t]=[]);for(const i of e[t])for(const e in i){const t=i[e],s=this._convertIdToIndex(t,e);i[e]=s}}_convertIdToIndex(e,t){const i=Ox[t];if(i in this.idToIndexMap){const s=this.idToIndexMap[i][e];if(!Number.isFinite(s))throw new Error("gltf v1: failed to resolve ".concat(t," with id ").concat(e));return s}return e}_updateObjects(e){for(const e of this.json.buffers)delete e.type}_updateMaterial(e){for(const s of e.materials){var t,i;s.pbrMetallicRoughness={baseColorFactor:[1,1,1,1],metallicFactor:1,roughnessFactor:1};const r=(null===(t=s.values)||void 0===t?void 0:t.tex)||(null===(i=s.values)||void 0===i?void 0:i.texture2d_0),o=e.textures.findIndex((e=>e.id===r));-1!==o&&(s.pbrMetallicRoughness.baseColorTexture={index:o})}}}const Nx={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Qx={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},Vx=10240,Hx=10241,jx=10242,Gx=10243,zx=10497,Kx={magFilter:Vx,minFilter:Hx,wrapS:jx,wrapT:Gx},Wx={[Vx]:9729,[Hx]:9986,[jx]:zx,[Gx]:zx};class Xx{constructor(){_y(this,"baseUri",""),_y(this,"json",{}),_y(this,"buffers",[]),_y(this,"images",[])}postProcess(e,t={}){const{json:i,buffers:s=[],images:r=[],baseUri:o=""}=e;return BP(i),this.baseUri=o,this.json=i,this.buffers=s,this.images=r,this._resolveTree(this.json,t),this.json}_resolveTree(e,t={}){e.bufferViews&&(e.bufferViews=e.bufferViews.map(((e,t)=>this._resolveBufferView(e,t)))),e.images&&(e.images=e.images.map(((e,t)=>this._resolveImage(e,t)))),e.samplers&&(e.samplers=e.samplers.map(((e,t)=>this._resolveSampler(e,t)))),e.textures&&(e.textures=e.textures.map(((e,t)=>this._resolveTexture(e,t)))),e.accessors&&(e.accessors=e.accessors.map(((e,t)=>this._resolveAccessor(e,t)))),e.materials&&(e.materials=e.materials.map(((e,t)=>this._resolveMaterial(e,t)))),e.meshes&&(e.meshes=e.meshes.map(((e,t)=>this._resolveMesh(e,t)))),e.nodes&&(e.nodes=e.nodes.map(((e,t)=>this._resolveNode(e,t)))),e.skins&&(e.skins=e.skins.map(((e,t)=>this._resolveSkin(e,t)))),e.scenes&&(e.scenes=e.scenes.map(((e,t)=>this._resolveScene(e,t)))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}getScene(e){return this._get("scenes",e)}getNode(e){return this._get("nodes",e)}getSkin(e){return this._get("skins",e)}getMesh(e){return this._get("meshes",e)}getMaterial(e){return this._get("materials",e)}getAccessor(e){return this._get("accessors",e)}getCamera(e){return null}getTexture(e){return this._get("textures",e)}getSampler(e){return this._get("samplers",e)}getImage(e){return this._get("images",e)}getBufferView(e){return this._get("bufferViews",e)}getBuffer(e){return this._get("buffers",e)}_get(e,t){if("object"==typeof t)return t;const i=this.json[e]&&this.json[e][t];return i||console.warn("glTF file error: Could not find ".concat(e,"[").concat(t,"]")),i}_resolveScene(e,t){return e.id=e.id||"scene-".concat(t),e.nodes=(e.nodes||[]).map((e=>this.getNode(e))),e}_resolveNode(e,t){return e.id=e.id||"node-".concat(t),e.children&&(e.children=e.children.map((e=>this.getNode(e)))),void 0!==e.mesh?e.mesh=this.getMesh(e.mesh):void 0!==e.meshes&&e.meshes.length&&(e.mesh=e.meshes.reduce(((e,t)=>{const i=this.getMesh(t);return e.id=i.id,e.primitives=e.primitives.concat(i.primitives),e}),{primitives:[]})),void 0!==e.camera&&(e.camera=this.getCamera(e.camera)),void 0!==e.skin&&(e.skin=this.getSkin(e.skin)),e}_resolveSkin(e,t){return e.id=e.id||"skin-".concat(t),e.inverseBindMatrices=this.getAccessor(e.inverseBindMatrices),e}_resolveMesh(e,t){return e.id=e.id||"mesh-".concat(t),e.primitives&&(e.primitives=e.primitives.map((e=>{const t=(e={...e}).attributes;e.attributes={};for(const i in t)e.attributes[i]=this.getAccessor(t[i]);return void 0!==e.indices&&(e.indices=this.getAccessor(e.indices)),void 0!==e.material&&(e.material=this.getMaterial(e.material)),e}))),e}_resolveMaterial(e,t){if(e.id=e.id||"material-".concat(t),e.normalTexture&&(e.normalTexture={...e.normalTexture},e.normalTexture.texture=this.getTexture(e.normalTexture.index)),e.occlusionTexture&&(e.occlustionTexture={...e.occlustionTexture},e.occlusionTexture.texture=this.getTexture(e.occlusionTexture.index)),e.emissiveTexture&&(e.emmisiveTexture={...e.emmisiveTexture},e.emissiveTexture.texture=this.getTexture(e.emissiveTexture.index)),e.emissiveFactor||(e.emissiveFactor=e.emmisiveTexture?[1,1,1]:[0,0,0]),e.pbrMetallicRoughness){e.pbrMetallicRoughness={...e.pbrMetallicRoughness};const t=e.pbrMetallicRoughness;t.baseColorTexture&&(t.baseColorTexture={...t.baseColorTexture},t.baseColorTexture.texture=this.getTexture(t.baseColorTexture.index)),t.metallicRoughnessTexture&&(t.metallicRoughnessTexture={...t.metallicRoughnessTexture},t.metallicRoughnessTexture.texture=this.getTexture(t.metallicRoughnessTexture.index))}return e}_resolveAccessor(e,t){var i,s;if(e.id=e.id||"accessor-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(i=e.componentType,Qx[i]),e.components=(s=e.type,Nx[s]),e.bytesPerElement=e.bytesPerComponent*e.components,e.bufferView){const t=e.bufferView.buffer,{ArrayType:i,byteLength:s}=SP(e,e.bufferView),r=(e.bufferView.byteOffset||0)+(e.byteOffset||0)+t.byteOffset;let o=t.arrayBuffer.slice(r,r+s);e.bufferView.byteStride&&(o=this._getValueFromInterleavedBuffer(t,r,e.bufferView.byteStride,e.bytesPerElement,e.count)),e.value=new i(o)}return e}_getValueFromInterleavedBuffer(e,t,i,s,r){const o=new Uint8Array(r*s);for(let n=0;n<r;n++){const r=t+n*i;o.set(new Uint8Array(e.arrayBuffer.slice(r,r+s)),n*s)}return o.buffer}_resolveTexture(e,t){return e.id=e.id||"texture-".concat(t),e.sampler="sampler"in e?this.getSampler(e.sampler):Wx,e.source=this.getImage(e.source),e}_resolveSampler(e,t){e.id=e.id||"sampler-".concat(t),e.parameters={};for(const t in e){const i=this._enumSamplerParameter(t);void 0!==i&&(e.parameters[i]=e[t])}return e}_enumSamplerParameter(e){return Kx[e]}_resolveImage(e,t){e.id=e.id||"image-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));const i=this.images[t];return i&&(e.image=i),e}_resolveBufferView(e,t){const i=e.buffer,s={id:"bufferView-".concat(t),...e,buffer:this.buffers[i]},r=this.buffers[i].arrayBuffer;let o=this.buffers[i].byteOffset||0;return"byteOffset"in e&&(o+=e.byteOffset),s.data=new Uint8Array(r,o,e.byteLength),s}_resolveCamera(e,t){return e.id=e.id||"camera-".concat(t),e.perspective,e.orthographic,e}}const Jx=1735152710,Yx=!0;function Zx(e,t,i=0,s={}){const r=new DataView(t),o=function(e,t=0){return"".concat(String.fromCharCode(e.getUint8(t+0))).concat(String.fromCharCode(e.getUint8(t+1))).concat(String.fromCharCode(e.getUint8(t+2))).concat(String.fromCharCode(e.getUint8(t+3)))}(r,i+0),n=r.getUint32(i+4,Yx),a=r.getUint32(i+8,Yx);switch(Object.assign(e,{header:{byteOffset:i,byteLength:a,hasBinChunk:!1},type:o,version:n,json:{},binChunks:[]}),i+=12,e.version){case 1:return function(e,t,i){ly(e.header.byteLength>20);const s=t.getUint32(i+0,Yx),r=t.getUint32(i+4,Yx);return i+=8,ly(0===r),qx(e,t,i,s),i+=s,i+=$x(e,t,i,e.header.byteLength)}(e,r,i);case 2:return function(e,t,i,s){return ly(e.header.byteLength>20),function(e,t,i,s){for(;i+8<=e.header.byteLength;){const r=t.getUint32(i+0,Yx),o=t.getUint32(i+4,Yx);switch(i+=8,o){case 1313821514:qx(e,t,i,r);break;case 5130562:$x(e,t,i,r);break;case 0:s.strict||qx(e,t,i,r);break;case 1:s.strict||$x(e,t,i,r)}i+=Vy(r,4)}}(e,t,i,s),i+e.header.byteLength}(e,r,i,{});default:throw new Error("Invalid GLB version ".concat(e.version,". Only supports v1 and v2."))}}function qx(e,t,i,s){const r=new Uint8Array(t.buffer,i,s),o=new TextDecoder("utf8").decode(r);return e.json=JSON.parse(o),Vy(s,4)}function $x(e,t,i,s){return e.header.hasBinChunk=!0,e.binChunks.push({byteOffset:i,byteLength:s,arrayBuffer:t.buffer}),Vy(s,4)}async function eC(e,t,i=0,s,r){var o,n,a,l;!function(e,t,i,s){s.uri&&(e.baseUri=s.uri);if(t instanceof ArrayBuffer&&!function(e,t=0,i={}){const s=new DataView(e),{magic:r=Jx}=i,o=s.getUint32(t,!1);return o===r||o===Jx}(t,i,s)){t=(new TextDecoder).decode(t)}if("string"==typeof t)e.json=Oy(t);else if(t instanceof ArrayBuffer){const r={};i=Zx(r,t,i,s.glb),BP("glTF"===r.type,"Invalid GLB magic string ".concat(r.type)),e._glb=r,e.json=r.json}else BP(!1,"GLTF: must be ArrayBuffer or string");const r=e.json.buffers||[];if(e.buffers=new Array(r.length).fill(null),e._glb&&e._glb.header.hasBinChunk){const{binChunks:t}=e._glb;e.buffers[0]={arrayBuffer:t[0].arrayBuffer,byteOffset:t[0].byteOffset,byteLength:t[0].byteLength}}const o=e.json.images||[];e.images=new Array(o.length).fill({})}(e,t,i,s),function(e,t={}){(new kx).normalize(e,t)}(e,{normalize:null==s||null===(o=s.gltf)||void 0===o?void 0:o.normalize}),function(e,t={},i){const s=Rx.filter((e=>Lx(e.name,t)));for(const o of s){var r;null===(r=o.preprocess)||void 0===r||r.call(o,e,t,i)}}(e,s,r);const A=[];if(null!=s&&null!==(n=s.gltf)&&void 0!==n&&n.loadBuffers&&e.json.buffers&&await async function(e,t,i){const s=e.json.buffers||[];for(let n=0;n<s.length;++n){const a=s[n];if(a.uri){var r,o;const{fetch:s}=i;BP(s);const l=wP(a.uri,t),A=await(null==i||null===(r=i.fetch)||void 0===r?void 0:r.call(i,l)),h=await(null==A||null===(o=A.arrayBuffer)||void 0===o?void 0:o.call(A));e.buffers[n]={arrayBuffer:h,byteOffset:0,byteLength:h.byteLength},delete a.uri}else null===e.buffers[n]&&(e.buffers[n]={arrayBuffer:new ArrayBuffer(a.byteLength),byteOffset:0,byteLength:a.byteLength})}}(e,s,r),null!=s&&null!==(a=s.gltf)&&void 0!==a&&a.loadImages){const t=async function(e,t,i){const s=function(e){const t=new Set,i=e.json.textures||[];for(const e of i)void 0!==e.source&&t.add(e.source);return Array.from(t).sort()}(e),r=e.json.images||[],o=[];for(const n of s)o.push(tC(e,r[n],n,t,i));return await Promise.all(o)}(e,s,r);A.push(t)}const h=async function(e,t={},i){const s=Rx.filter((e=>Lx(e.name,t)));for(const o of s){var r;await(null===(r=o.decode)||void 0===r?void 0:r.call(o,e,t,i))}}(e,s,r);return A.push(h),await Promise.all(A),null!=s&&null!==(l=s.gltf)&&void 0!==l&&l.postProcess?function(e,t){return(new Xx).postProcess(e,t)}(e,s):e}async function tC(e,t,i,s,r){const{fetch:o,parse:n}=r;let a;if(t.uri){const e=wP(t.uri,s),i=await o(e);a=await i.arrayBuffer()}if(Number.isFinite(t.bufferView)){const i=function(e,t,i){const s=e.bufferViews[i];BP(s);const r=t[s.buffer];BP(r);const o=(s.byteOffset||0)+r.byteOffset;return new Uint8Array(r.arrayBuffer,o,s.byteLength)}(e.json,e.buffers,t.bufferView);a=Qy(i.buffer,i.byteOffset,i.byteLength)}BP(a,"glTF image has no data");let l=await n(a,[_P,tP],{mimeType:t.mimeType,basis:s.basis||{format:eP()}},r);l&&l[0]&&(l={compressed:!0,mipmaps:!1,width:l[0].width,height:l[0].height,data:l[0]}),e.images=e.images||[],e.images[i]=l}const iC={name:"glTF",id:"gltf",module:"gltf",version:"3.2.6",extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:async function(e,t={},i){(t={...iC.options,...t}).gltf={...iC.options.gltf,...t.gltf};const{byteOffset:s=0}=t;return await eC({},e,s,t,i)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};class sC{constructor(e){}load(e,t,i,s,r,o,n){!function(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++;"glb"===t.split(".").pop()?e.dataSource.getGLB(t,(n=>{s.basePath=rC(t),oC(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)})):e.dataSource.getGLTF(t,(n=>{s.basePath=rC(t),oC(e,t,n,i,s,r,o),a.processes--}),(e=>{a.processes--,n(e)}))}(e,t,i,s=s||{},r,(function(){I.scheduleTask((function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1)})),o&&o()}),(function(t){e.error(t),n&&n(t),r.fire("error",t)}))}parse(e,t,i,s,r,o,n){oC(e,"",t,i,s=s||{},r,(function(){r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1),o&&o()}))}}function rC(e){const t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}function oC(e,t,i,s,r,o,n){const a=e.viewer.scene.canvas.spinner;a.processes++,yw(i,iC,{baseUri:r.basePath}).then((i=>{const l={src:t,entityId:r.entityId,metaModelJSON:s,autoMetaModel:r.autoMetaModel,globalizeObjectIds:r.globalizeObjectIds,metaObjects:[],loadBuffer:r.loadBuffer,basePath:r.basePath,handlenode:r.handlenode,backfaces:!!r.backfaces,gltfData:i,scene:o.scene,plugin:e,sceneModel:o,numObjects:0,nodes:[],nextId:0,log:t=>{e.log(t)}};!function(e){const t=e.gltfData.textures;if(t)for(let i=0,s=t.length;i<s;i++)nC(e,t[i])}(l),function(e){const t=e.gltfData.materials;if(t)for(let i=0,s=t.length;i<s;i++){const s=t[i];s._textureSetId=aC(e,s),s._attributes=lC(e,s)}}(l),r.autoMetaModel&&l.metaObjects.push({id:o.id,type:"Default",name:o.id}),function(e){const t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");const s=i.nodes;if(!s)return;!function e(t){t.forEach((t=>{const i=t.mesh;i&&(i.instances||=0,i.instances+=1),t.children&&e(t.children)}))}(s);const r=[];let o=null;!function t(i,s,n){i.forEach((i=>{const a=i.name;let l=null!=a&&a||0===s&&"entity-"+e.nextId++;if(l){for(;e.sceneModel.objects[l];)l="entity-"+e.nextId++;r.push(o),o=[]}const A=function(e,t){let i;e.matrix&&(i=e.matrix,t=t?d.mulMat4(t,i,d.mat4()):i);e.translation&&(i=d.translationMat4v(e.translation),t=t?d.mulMat4(t,i,d.mat4()):i);e.rotation&&(i=d.quaternionToMat4(e.rotation),t=t?d.mulMat4(t,i,d.mat4()):i);e.scale&&(i=d.scalingMat4v(e.scale),t=t?d.mulMat4(t,i,d.mat4()):i);return t}(i,n);if(i.mesh&&function(e,t,i,s){const r=e.mesh;if(!r)return;const o=r.primitives.length;if(o>0)for(let e=0;e<o;e++){const o=r.primitives[e];if(o.mode<4)continue;const n={id:t.sceneModel.id+"."+t.numObjects++},a=o.material;a?(n.textureSetId=a._textureSetId,n.color=a._attributes.color,n.opacity=a._attributes.opacity,n.metallic=a._attributes.metallic,n.roughness=a._attributes.roughness):(n.color=new Float32Array([1,1,1]),n.opacity=1);const l=!1!==t.backfaces||a&&!1!==a.doubleSided;switch(o.mode){case 0:n.primitive="points";break;case 1:case 2:case 3:n.primitive="lines";break;default:n.primitive=l?"triangles":"solid"}const A=o.attributes.POSITION;if(!A)continue;n.localPositions=A.value,n.positions=new Float64Array(n.localPositions.length),o.attributes.NORMAL&&(n.normals=o.attributes.NORMAL.value),o.attributes.TEXCOORD_0&&(n.uv=o.attributes.TEXCOORD_0.value),o.indices&&(n.indices=o.indices.value),i?d.transformPositions3(i,n.localPositions,n.positions):n.positions.set(n.localPositions);const h=d.vec3();te(n.positions,n.positions,h)&&(n.origin=h),t.sceneModel.createMesh(n),s.push(n.id)}}(i,e,A,o),i.children&&t(i.children,s+1,A),l){if(o.length>0){const t=e.globalizeObjectIds?d.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:t,meshIds:o,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:t,type:"Default",name:t,parent:e.sceneModel.id})}o=r.pop()}}))}(s,0,null)}(l),o.finalize(),r.autoMetaModel&&e.viewer.metaScene.createMetaModel(o.id,{metaObjects:l.metaObjects}),a.processes--,n()}))}function nC(e,t){if(!t.source||!t.source.image)return;const i="texture-"+e.nextId++;let s=1005;switch(t.sampler.minFilter){case 9728:s=1003;break;case 9729:s=1006;break;case 9984:s=1004;break;case 9985:s=1007;break;case 9986:s=1005;break;case 9987:s=1008}let r=1006;switch(t.sampler.magFilter){case 9728:r=1003;break;case 9729:r=1006}let o=1e3;switch(t.sampler.wrapS){case 33071:o=1001;break;case 33648:o=1002;break;case 10497:o=1e3}let n=1e3;switch(t.sampler.wrapT){case 33071:n=1001;break;case 33648:n=1002;break;case 10497:n=1e3}let a=1e3;switch(t.sampler.wrapR){case 33071:a=1001;break;case 33648:a=1002;break;case 10497:a=1e3}e.sceneModel.createTexture({id:i,image:t.source.image,flipY:!!t.flipY,minFilter:s,magFilter:r,wrapS:o,wrapT:n,wrapR:a,encoding:3001}),t._textureId=i}function aC(e,t){const i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":const e=t.alphaCutoff;i.alphaCutoff=void 0!==e?e:.5}const s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){const r=t.pbrMetallicRoughness,o=r.baseColorTexture||r.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}const r=t.extensions;if(r){const t=r.KHR_materials_pbrSpecularGlossiness;if(t){t.specularTexture;const s=t.specularColorTexture;null!=s&&(i.colorTextureId=e.gltfData.textures[s.index]._textureId)}}return void 0!==i.normalTextureId||void 0!==i.occlusionTextureId||void 0!==i.emissiveTextureId||void 0!==i.colorTextureId||void 0!==i.metallicRoughnessTextureId?(i.id=`textureSet-${e.nextId++};`,e.sceneModel.createTextureSet(i),i.id):null}function lC(e,t){const i=t.extensions,s={color:new Float32Array([1,1,1,1]),opacity:1,metallic:0,roughness:1,doubleSided:!0};if(i){const e=i.KHR_materials_pbrSpecularGlossiness;if(e){const t=e.diffuseFactor;null!=t&&s.color.set(t)}const t=i.KHR_materials_common;if(t){const e=t.technique,i=t.values||{},r="BLINN"===e,o="PHONG"===e,n="LAMBERT"===e,a=i.diffuse;a&&(r||o||n)&&(y.isString(a)||s.color.set(a));const l=i.transparency;null!=l&&(s.opacity=l);const A=i.transparent;null!=A&&(s.opacity=A)}}const r=t.pbrMetallicRoughness;if(r){const e=r.baseColorFactor;e&&(s.color[0]=e[0],s.color[1]=e[1],s.color[2]=e[2],s.opacity=e[3]);const t=r.metallicFactor;null!=t&&(s.metallic=t);const i=r.roughnessFactor;null!=i&&(s.roughness=i)}return s.doubleSided=!1!==t.doubleSided,s}const AC={DEFAULT:{}};class hC extends z{constructor(e,t={}){super("GLTFLoader",e,t),this._sceneModelLoader=new sC(this,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new Lu}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||AC}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new hu(this.viewer.scene,y.apply(e,{isModel:!0,dtxEnabled:e.dtxEnabled})),i=t.id;if(!e.src&&!e.gltf)return this.error("load() param expected: src or gltf"),t;if(e.metaModelSrc||e.metaModelJSON){const s=s=>{this.viewer.metaScene.createMetaModel(i,s,{}),this.viewer.scene.canvas.spinner.processes--,e.src?this._sceneModelLoader.load(this,e.src,s,e,t):this._sceneModelLoader.parse(this,e.gltf,s,e,t)};if(e.metaModelSrc){const t=e.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(t,(e=>{this.viewer.scene.canvas.spinner.processes--,s(e)}),(e=>{this.error(`load(): Failed to load model metadata for model '${i} from  '${t}' - ${e}`),this.viewer.scene.canvas.spinner.processes--}))}else e.metaModelJSON&&s(e.metaModelJSON)}else e.src?this._sceneModelLoader.load(this,e.src,null,e,t):this._sceneModelLoader.parse(this,e.gltf,null,e,t);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}function cC(e,t,i={}){const s="lightgrey",r=i.hoverColor||"rgba(0,0,0,0.4)",o=i.textColor||"black",n=500,a=n+n/3,l=a/24,A=[{boundary:[6,6,6,6],color:i.frontColor||i.color||"#55FF55"},{boundary:[18,6,6,6],color:i.backColor||i.color||"#55FF55"},{boundary:[12,6,6,6],color:i.rightColor||i.color||"#FF5555"},{boundary:[0,6,6,6],color:i.leftColor||i.color||"#FF5555"},{boundary:[6,0,6,6],color:i.topColor||i.color||"#7777FF"},{boundary:[6,12,6,6],color:i.bottomColor||i.color||"#7777FF"}],h=[{label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,1,0],up:[0,0,1]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,-1,0],up:[0,0,1]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,0,1]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,0,1]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,0,1],up:[0,-1,0]},{boundaries:[[7,5,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,0,-1],up:[1,0,1]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-1,-1],up:[0,-1,1]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,0,-1],up:[-1,0,1]},{boundaries:[[7,11,4,2]],dir:[0,1,1],up:[0,-1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,0,1],up:[-1,0,1]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,-1,1],up:[0,1,1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,0,1],up:[1,0,1]},{boundaries:[[5,7,2,4]],dir:[1,1,0],up:[0,0,1]},{boundaries:[[11,7,2,4]],dir:[-1,1,0],up:[0,0,1]},{boundaries:[[17,7,2,4]],dir:[-1,-1,0],up:[0,0,1]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,-1,0],up:[0,0,1]},{boundaries:[[5,11,2,2]],dir:[1,1,1],up:[-1,-1,1]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[1,-1,1],up:[-1,1,1]},{boundaries:[[5,5,2,2]],dir:[1,1,-1],up:[1,1,1]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-1,-1,1],up:[1,1,1]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-1,-1,-1],up:[-1,-1,1]},{boundaries:[[11,11,2,2]],dir:[-1,1,1],up:[1,-1,1]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[1,-1,-1],up:[1,-1,1]},{boundaries:[[11,5,2,2]],dir:[-1,1,-1],up:[-1,1,1]}];i.frontColor||i.color,i.backColor||i.color,i.rightColor||i.color,i.leftColor||i.color,i.topColor||i.color,i.bottomColor||i.color;const c=[{yUp:"",label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,0,1],up:[0,1,0]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,1,0]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,1,0]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,-1,0],up:[0,0,-1]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,1,0],up:[0,0,1]},{boundaries:[[7,5,4,2]],dir:[0,-.7071,-.7071],up:[0,.7071,-.7071]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,-1,0],up:[1,1,0]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-.7071,.7071],up:[0,.7071,.7071]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,-1,0],up:[-1,1,0]},{boundaries:[[7,11,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,1,0],up:[-1,1,0]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,1,1],up:[0,1,-1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,1,0],up:[1,1,0]},{boundaries:[[5,7,2,4]],dir:[1,0,-1],up:[0,1,0]},{boundaries:[[11,7,2,4]],dir:[-1,0,-1],up:[0,1,0]},{boundaries:[[17,7,2,4]],dir:[-1,0,1],up:[0,1,0]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,0,1],up:[0,1,0]},{boundaries:[[5,11,2,2]],dir:[.5,.7071,-.5],up:[-.5,.7071,.5]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[.5,.7071,.5],up:[-.5,.7071,-.5]},{boundaries:[[5,5,2,2]],dir:[.5,-.7071,-.5],up:[.5,.7071,-.5]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-.5,.7071,.5],up:[.5,.7071,-.5]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-.5,-.7071,.5],up:[-.5,.7071,.5]},{boundaries:[[11,11,2,2]],dir:[-.5,.7071,-.5],up:[.5,.7071,.5]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[.5,-.7071,.5],up:[.5,.7071,.5]},{boundaries:[[11,5,2,2]],dir:[-.5,-.7071,-.5],up:[-.5,.7071,-.5]}];for(let e=0,t=h.length;e<t;e++)d.normalizeVec3(h[e].dir,h[e].dir),d.normalizeVec3(h[e].up,h[e].up);for(let e=0,t=c.length;e<t;e++)d.normalizeVec3(c[e].dir,c[e].dir),d.normalizeVec3(c[e].up,c[e].up);var u=c;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=n,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height="500px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=s,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;document.getElementsByTagName("body")[0].appendChild(this._textureCanvas);const p=this._textureCanvas.getContext("2d");let f=!1;function g(){for(let e=0,t=A.length;e<t;e++){const t=A[e],i=t.boundary,s=Math.round(i[0]*l),r=Math.round(i[1]*l),o=Math.round(i[2]*l),n=Math.round(i[3]*l);p.fillStyle=t.color,p.fillRect(s,r,o,n)}for(let t=0,A=u.length;t<A;t++){let A,h,c,d;const f=u[t],g=f.boundaries;for(var e=0,i=g.length;e<i;e++){const t=g[e];A=Math.round(t[0]*l),h=Math.round(t[1]*l),c=Math.round(t[2]*l),d=Math.round(t[3]*l),f.highlighted&&(p.fillStyle=f.highlighted?r:f.color||s,p.fillRect(A,h,c,d))}if(f.label){p.fillStyle=o,p.font="60px sans-serif",p.textAlign="center";var n=A+.5*c,a=h+.7*d;p.fillText(m(f.label),n,a,80)}}t.glRedraw()}const m=function(){const t={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},i={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},s={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"};return function(r){const o=f?i:t,n=o?o[r]:null;return n?e.localeService.translate(n)||s[n]||n:r}}();this.setZUp=function(){f=!0,u=h,this.clear()},this.setYUp=function(){f=!1,u=c,this.clear()},this.clear=function(){p.fillStyle=s,p.fillRect(0,0,a,n);for(var e=0,t=u.length;e<t;e++){u[e].highlighted=!1}g()},this.getArea=function(e){const t=e[0]*a,i=n-e[1]*n;for(var s=0,r=u.length;s<r;s++){const e=u[s].boundaries;for(var o=0,A=e.length;o<A;o++){const r=e[o];if(t>=r[0]*l&&t<=(r[0]+r[2])*l&&i>=r[1]*l&&i<=(r[1]+r[3])*l)return s}}return-1},this.setAreaHighlighted=function(e,t){var i=u[e];if(!i)throw"Area not found: "+e;i.highlighted=!!t,g()},this.getAreaDir=function(e){var t=u[e];if(!t)throw"Unknown area: "+e;return t.dir},this.getAreaUp=function(e){var t=u[e];if(!t)throw"Unknown area: "+e;return t.up},this.getImage=function(){return this._textureCanvas},this.destroy=function(){this._textureCanvas&&(this._textureCanvas.parentNode.removeChild(this._textureCanvas),this._textureCanvas=null)}}const uC=d.vec3(),dC=d.vec3();d.mat4();class pC extends z{constructor(e,t={}){super("NavCube",e,t),e.navCube=this;try{this._navCubeScene=new Ni(e,{canvasId:t.canvasId,canvasElement:t.canvasElement,transparent:!0}),this._navCubeCanvas=this._navCubeScene.canvas.canvas,this._navCubeScene.input.keyboardEnabled=!1}catch(e){return void this.error(e)}const i=this._navCubeScene;i.clearLights(),new ai(i,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new ai(i,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new ai(i,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._navCubeCamera=i.camera,this._navCubeCamera.ortho.scale=7,this._navCubeCamera.ortho.near=.1,this._navCubeCamera.ortho.far=2e3,i.edgeMaterial.edgeColor=[.2,.2,.2],i.edgeMaterial.edgeAlpha=.6,this._zUp=Boolean(e.camera.zUp);var s=this;this.setIsProjectNorth(t.isProjectNorth),this.setProjectNorthOffsetAngle(t.projectNorthOffsetAngle);const r=function(){const e=d.mat4();return function(t,i,r){return d.identityMat4(e),d.rotationMat4v(t*s._projectNorthOffsetAngle*d.DEGTORAD,[0,1,0],e),d.transformVec3(e,i,r)}}();this._synchCamera=function(){var t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),o=d.vec3(),n=d.vec3();return function(){var a=e.camera.eye,l=e.camera.look,A=e.camera.up;i=d.mulVec3Scalar(d.normalizeVec3(d.subVec3(a,l,i)),5),s._isProjectNorth&&s._projectNorthOffsetAngle&&(i=r(-1,i,uC),A=r(-1,A,dC)),s._zUp?(d.transformVec3(t,i,o),d.transformVec3(t,A,n),s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=d.transformVec3(t,i,o),s._navCubeCamera.up=d.transformPoint3(t,A,n)):(s._navCubeCamera.look=[0,0,0],s._navCubeCamera.eye=i,s._navCubeCamera.up=A)}}(),this._cubeTextureCanvas=new cC(e,i,t),this._cubeSampler=new Po(i,{image:this._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),this._cubeMesh=new Gr(i,{geometry:new bi(i,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new xi(i,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:this._cubeSampler,emissiveMap:this._cubeSampler}),visible:!0,edges:!0}),this._shadow=!1===t.shadowVisible?null:new Gr(i,{geometry:new bi(i,Kr({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new xi(i,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!0,pickable:!1,backfaces:!1}),this._onCameraMatrix=e.camera.on("matrix",this._synchCamera),this._onCameraWorldAxis=e.camera.on("worldAxis",(()=>{e.camera.zUp?(this._zUp=!0,this._cubeTextureCanvas.setZUp(),this._repaint(),this._synchCamera()):e.camera.yUp&&(this._zUp=!1,this._cubeTextureCanvas.setYUp(),this._repaint(),this._synchCamera())})),this._onCameraFOV=e.camera.perspective.on("fov",(e=>{this._synchProjection&&(this._navCubeCamera.perspective.fov=e)})),this._onCameraProjection=e.camera.on("projection",(e=>{this._synchProjection&&(this._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var o=-1;function n(e){var t=[0,0];if(e){for(var i=e.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-s,t[1]=e.pageY-r}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var a,l,A=null,h=null,c=!1,u=!1,p=.5;s._navCubeCanvas.addEventListener("mouseenter",s._onMouseEnter=function(e){u=!0}),s._navCubeCanvas.addEventListener("mouseleave",s._onMouseLeave=function(e){u=!1}),s._navCubeCanvas.addEventListener("mousedown",s._onMouseDown=function(e){if(1===e.which){A=e.x,h=e.y,a=e.clientX,l=e.clientY;var t=n(e),s=i.pick({canvasPos:t});c=!!s}}),document.addEventListener("mouseup",s._onMouseUp=function(e){if(1===e.which&&(c=!1,null!==A)){var t=n(e),a=i.pick({canvasPos:t,pickSurface:!0});if(a&&a.uv){var l=s._cubeTextureCanvas.getArea(a.uv);if(l>=0&&(document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0)){if(s._cubeTextureCanvas.setAreaHighlighted(l,!0),o=l,s._repaint(),e.x<A-3||e.x>A+3||e.y<h-3||e.y>h+3)return;var u=s._cubeTextureCanvas.getAreaDir(l);if(u){var d=s._cubeTextureCanvas.getAreaUp(l);s._isProjectNorth&&s._projectNorthOffsetAngle&&(u=r(1,u,uC),d=r(1,d,dC)),f(u,d,(function(){o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),document.body.style.cursor="pointer",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),l>=0&&(s._cubeTextureCanvas.setAreaHighlighted(l,!1),o=-1,s._repaint())}))}}}}}),document.addEventListener("mousemove",s._onMouseMove=function(t){if(o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1),1!==t.buttons||c){if(c){var r=t.clientX,A=t.clientY;return document.body.style.cursor="move",void function(t,i){var s=(t-a)*-p,r=(i-l)*-p;e.camera.orbitYaw(s),e.camera.orbitPitch(-r),a=t,l=i}(r,A)}if(u){var h=n(t),d=i.pick({canvasPos:h,pickSurface:!0});if(d){if(d.uv){document.body.style.cursor="pointer";var f=s._cubeTextureCanvas.getArea(d.uv);if(f===o)return;o>=0&&s._cubeTextureCanvas.setAreaHighlighted(o,!1),f>=0&&(s._cubeTextureCanvas.setAreaHighlighted(f,!0),s._repaint(),o=f)}}else document.body.style.cursor="default",o>=0&&(s._cubeTextureCanvas.setAreaHighlighted(o,!1),s._repaint(),o=-1)}}});var f=function(){var t=d.vec3();return function(i,r,o){var n=s._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,a=d.getAABB3Diag(n);d.getAABB3Center(n,t);var l=Math.abs(a/Math.tan(s._cameraFitFOV*d.DEGTORAD));e.cameraControl.pivotPos=t,s._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV,duration:s._cameraFlyDuration},o):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*a,fitFOV:s._cameraFitFOV},o)}}();this._onUpdated=e.localeService.on("updated",(()=>{this._cubeTextureCanvas.clear(),this._repaint()})),this.setVisible(t.visible),this.setCameraFitFOV(t.cameraFitFOV),this.setCameraFly(t.cameraFly),this.setCameraFlyDuration(t.cameraFlyDuration),this.setFitVisible(t.fitVisible),this.setSynchProjection(t.synchProjection)}send(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}_repaint(){const e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}setVisible(e=!0){this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}getVisible(){return!!this._navCubeCanvas&&this._cubeMesh.visible}setFitVisible(e=!1){this._fitVisible=e}getFitVisible(){return this._fitVisible}setCameraFly(e=!0){this._cameraFly=e}getCameraFly(){return this._cameraFly}setCameraFitFOV(e=45){this._cameraFitFOV=e}getCameraFitFOV(){return this._cameraFitFOV}setCameraFlyDuration(e=.5){this._cameraFlyDuration=e}getCameraFlyDuration(){return this._cameraFlyDuration}setSynchProjection(e=!1){this._synchProjection=e}getSynchProjection(){return this._synchProjection}setIsProjectNorth(e=!1){this._isProjectNorth=e}getIsProjectNorth(){return this._isProjectNorth}setProjectNorthOffsetAngle(e){this._projectNorthOffsetAngle=e}getProjectNorthOffsetAngle(){return this._projectNorthOffsetAngle}destroy(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,super.destroy()}}const fC=d.vec3();class gC{load(e,t,i={}){var s=e.scene.canvas.spinner;s.processes++,mC(e,t,(function(t){!function(e,t,i){for(var s=t.basePath,r=Object.keys(t.materialLibraries),o=r.length,n=0,a=o;n<a;n++)vC(e,s,s+r[n],(function(){0==--o&&i()}))}(e,t,(function(){yC(e,t),s.processes--,I.scheduleTask((function(){e.fire("loaded",!0,!1)}))}))}))}parse(e,t,i,s){if(t){var r=_C(e,t,null);i&&bC(e,i,s),yC(e,r),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}var mC=function(e,t,i){BC(t,(function(s){var r=_C(e,s,t);i(r)}),(function(t){e.error(t)}))},_C=function(){const e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib /,material_use_pattern:/^usemtl /};return function(s,r,o){var n={src:o=o||"",basePath:t(o),objects:[],object:{},positions:[],normals:[],uv:[],materialLibraries:{}};i(n,"",!1),-1!==r.indexOf("\r\n")&&(r=r.replace("\r\n","\n"));for(var a=r.split("\n"),l="",A="",h="",d=[],p="function"==typeof"".trimLeft,f=0,g=a.length;f<g;f++)if(l=a[f],0!==(l=p?l.trimLeft():l.trim()).length&&"#"!==(A=l.charAt(0)))if("v"===A)if(" "===(h=l.charAt(1))&&null!==(d=e.vertex_pattern.exec(l)))n.positions.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else if("n"===h&&null!==(d=e.normal_pattern.exec(l)))n.normals.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else{if("t"!==h||null===(d=e.uv_pattern.exec(l)))return void s.error("Unexpected vertex/normal/uv line: '"+l+"'");n.uv.push(parseFloat(d[1]),parseFloat(d[2]))}else if("f"===A)if(null!==(d=e.face_vertex_uv_normal.exec(l)))c(n,d[1],d[4],d[7],d[10],d[2],d[5],d[8],d[11],d[3],d[6],d[9],d[12]);else if(null!==(d=e.face_vertex_uv.exec(l)))c(n,d[1],d[3],d[5],d[7],d[2],d[4],d[6],d[8]);else if(null!==(d=e.face_vertex_normal.exec(l)))c(n,d[1],d[3],d[5],d[7],void 0,void 0,void 0,void 0,d[2],d[4],d[6],d[8]);else{if(null===(d=e.face_vertex.exec(l)))return void s.error("Unexpected face line: '"+l+"'");c(n,d[1],d[2],d[3],d[4])}else if("l"===A){var m=l.substring(1).trim().split(" "),_=[],v=[];if(-1===l.indexOf("/"))_=m;else for(var b=0,y=m.length;b<y;b++){var B=m[b].split("/");""!==B[0]&&_.push(B[0]),""!==B[1]&&v.push(B[1])}u(n,_,v)}else if(null!==(d=e.object_pattern.exec(l))){i(n,w=d[0].substr(1).trim(),!0)}else if(e.material_use_pattern.test(l)){var w=l.substring(7).trim();n.object.material.id=w}else if(e.material_library_pattern.test(l))n.materialLibraries[l.substring(7).trim()]=!0;else{if(null===(d=e.smoothing_pattern.exec(l))){if("\0"===l)continue;return void s.error("Unexpected line: '"+l+"'")}var P=d[1].trim().toLowerCase();n.object.material.smooth="1"===P||"on"===P}return n};function t(e){var t=e.lastIndexOf("/");return-1===t?e:e.substring(0,t+1)}function i(e,t,i){if(e.object&&!1===e.object.fromDeclaration)return e.object.id=t,void(e.object.fromDeclaration=!1!==i);e.object={id:t||"",geometry:{positions:[],normals:[],uv:[]},material:{id:"",smooth:!0},fromDeclaration:!1!==i},e.objects.push(e.object)}function s(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function r(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function o(e,t){var i=parseInt(e,10);return 2*(i>=0?i-1:i+t/2)}function n(e,t,i,s){var r=e.positions,o=e.object.geometry.positions;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function a(e,t){var i=e.positions,s=e.object.geometry.positions;s.push(i[t+0]),s.push(i[t+1]),s.push(i[t+2])}function l(e,t,i,s){var r=e.normals,o=e.object.geometry.normals;o.push(r[t+0]),o.push(r[t+1]),o.push(r[t+2]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[i+2]),o.push(r[s+0]),o.push(r[s+1]),o.push(r[s+2])}function A(e,t,i,s){var r=e.uv,o=e.object.geometry.uv;o.push(r[t+0]),o.push(r[t+1]),o.push(r[i+0]),o.push(r[i+1]),o.push(r[s+0]),o.push(r[s+1])}function h(e,t){var i=e.uv,s=e.object.geometry.uv;s.push(i[t+0]),s.push(i[t+1])}function c(e,t,i,a,h,c,u,d,p,f,g,m,_){var v,b=e.positions.length,y=s(t,b),B=s(i,b),w=s(a,b);if(void 0===h?n(e,y,B,w):(n(e,y,B,v=s(h,b)),n(e,B,w,v)),void 0!==c){var P=e.uv.length;y=o(c,P),B=o(u,P),w=o(d,P),void 0===h?A(e,y,B,w):(A(e,y,B,v=o(p,P)),A(e,B,w,v))}if(void 0!==f){var x=e.normals.length;y=r(f,x),B=f===g?y:r(g,x),w=f===m?y:r(m,x),void 0===h?l(e,y,B,w):(l(e,y,B,v=r(_,x)),l(e,B,w,v))}}function u(e,t,i){e.object.geometry.type="Line";for(var r=e.positions.length,n=e.uv.length,l=0,A=t.length;l<A;l++)a(e,s(t[l],r));for(var c=0,u=i.length;c<u;c++)h(e,o(i[c],n))}}();var vC=function(e,t,i,s){BC(i,(function(i){bC(e,i,t),s()}),(function(t){e.error(t),s()}))},bC=function(){var e=/\s+/;return function(e,r,o){var n,a,l,A,h,c=r.split("\n"),u={id:"Default"},d=!1;o=o||"";for(var p=0;p<c.length;p++)if(0!==(n=c[p].trim()).length&&"#"!==n.charAt(0))switch(l=(l=(a=n.indexOf(" "))>=0?n.substring(0,a):n).toLowerCase(),A=(A=a>=0?n.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,u),u={id:A},d=!0;break;case"ka":u.ambient=s(A);break;case"kd":u.diffuse=s(A);break;case"ks":u.specular=s(A);break;case"map_kd":u.diffuseMap||(u.diffuseMap=t(e,o,A,"sRGB"));break;case"map_ks":u.specularMap||(u.specularMap=t(e,o,A,"linear"));break;case"map_bump":case"bump":u.normalMap||(u.normalMap=t(e,o,A));break;case"ns":u.shininess=parseFloat(A);break;case"d":(h=parseFloat(A))<1&&(u.alpha=h,u.alphaMode="blend");break;case"tr":(h=parseFloat(A))>0&&(u.alpha=1-h,u.alphaMode="blend")}d&&i(e,u)};function t(e,t,i,s){var r={},o=i.split(/\s+/),n=o.indexOf("-bm");return n>=0&&o.splice(n,2),(n=o.indexOf("-s"))>=0&&(r.scale=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),(n=o.indexOf("-o"))>=0&&(r.translate=[parseFloat(o[n+1]),parseFloat(o[n+2])],o.splice(n,4)),r.src=t+o.join(" ").trim(),r.flipY=!0,r.encoding=s||"linear",new Po(e,r).id}function i(e,t){new xi(e,t)}function s(t){var i=t.split(e,3);return[parseFloat(i[0]),parseFloat(i[1]),parseFloat(i[2])]}}();function yC(e,t){for(var i=0,s=t.objects.length;i<s;i++){var r=t.objects[i],o=r.geometry;if(o.type,0===o.positions.length)continue;var n={primitive:"triangles",compressGeometry:!1};n.positions=o.positions,o.normals.length>0&&(n.normals=o.normals),o.uv.length>0&&(n.uv=o.uv);for(var a=new Array(n.positions.length/3),l=0;l<a.length;l++)a[l]=l;n.indices=a;const s=fC;te(o.positions,o.positions,s);var A,h=new bi(e,n),c=r.material.id;c&&""!==c?(A=e.scene.components[c])||e.error("Material not found: "+c):A=new xi(e,{diffuse:[.6,.6,.6],backfaces:!0});var u=new Gr(e,{id:e.id+"#"+r.id,origin:0!==s[0]||0!==s[1]||0!==s[2]?s:null,isObject:!0,geometry:h,material:A,pickable:!0});e.addChild(u)}}function BC(e,t,i){var s=new XMLHttpRequest;s.open("GET",e,!0),s.addEventListener("load",(function(e){var s=e.target.response;200===this.status?t&&t(s):0===this.status?(console.warn("loadFile: HTTP Status 0 received."),t&&t(s)):i&&i(e)}),!1),s.addEventListener("error",(function(e){i&&i(e)}),!1),s.send(null)}class wC extends z{constructor(e,t){super("OBJLoader",e,t),this._sceneGraphLoader=new gC}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new ao(this.viewer.scene,y.apply(e,{isModel:!0}));const i=t.id,s=e.src;if(!s)return this.error("load() param expected: src"),t;if(e.metaModelSrc){const r=e.metaModelSrc;y.loadJSON(r,(r=>{this.viewer.metaScene.createMetaModel(i,r),this._sceneGraphLoader.load(t,s,e)}),(e=>{this.error(`load(): Failed to load model modelMetadata for model '${i} from  '${r}' - ${e}`)}))}else this._sceneGraphLoader.load(t,s,e);return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}const PC=new Float64Array([0,0,1]),xC=new Float64Array(4);class CC{constructor(e){this.id=null;const t=e.viewer,i=t.camera,s=t.cameraControl,r=t.scene,o=r.canvas.canvas;this._visible=!1;let n=!1;const a=!1,l=.09,A=.01,h=new ao(r,{position:[0,0,0],scale:[5,5,5],isObject:!1}),c=d.vec3(),u=function(){const e=d.vec3(),t=d.vec3();return function(i){c.set(i),ee(i,e,t),h.origin=e,h.position=t}}(),p=(e,t)=>new bi(h,Kr({radiusTop:.001,radiusBottom:e,radialSegments:32,heightSegments:1,height:t,openEnded:!1})),f=(e,t,i)=>new bi(h,Kr({radiusTop:e,radiusBottom:e,radialSegments:i,heightSegments:1,height:t,openEnded:!1})),g=(e,t,i)=>new bi(h,Uo({radius:.8,tube:e,radialSegments:64,tubeSegments:i,arc:2*Math.PI*t})),m={curve:g(A,.25,14),curveHandle:g(l,.25,14),hoop:g(A,1,8),arrowHead:p(.07,.2),arrowHeadBig:p(.09,.25),arrowHeadHandle:f(l,.37,8),axis:f(A,1,20),axisHandle:f(l,1,20)},_=(e,t)=>new Mi(h,{edges:!1,fill:!0,fillColor:e,fillAlpha:t}),v=new xi(h,{diffuse:[1,1,0],alpha:0,alphaMode:"blend"}),b={},y=(e,t,s)=>{const l=(e=>new xi(h,{diffuse:e,emissive:e,ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}))(e),A=d.rotationMat4v(270*d.DEGTORAD,[1,0,0],d.identityMat4()),p=d.quaternionToRotationMat4(d.vec3PairToQuaternion([0,1,0],s),d.identityMat4()),f=d.mulMat4(p,A,d.identityMat4()),g=d.scaleMat4v([.6,.6,.6],d.identityMat4()),y=(e,t)=>{const i=d.translateMat4v(e,d.identityMat4()),s=d.identityMat4();return d.mulMat4(i,t,s),d.mulMat4(f,s,s),d.mulMat4(s,g,d.identityMat4())},B=h.addChild(new Gr(h,{geometry:m.curve,material:l,matrix:f,pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),a),w=h.addChild(new Gr(h,{geometry:m.curveHandle,material:v,matrix:f,pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),a),P=h.addChild(new Gr(h,{geometry:m.arrowHead,material:l,matrix:y([.8,.07,0],d.rotationMat4v(180*d.DEGTORAD,[0,0,1],d.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),x=h.addChild(new Gr(h,{geometry:m.arrowHead,material:l,matrix:y([.07,.8,0],d.rotationMat4v(90*d.DEGTORAD,[0,0,1],d.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),C=h.addChild(new Gr(h,{geometry:m.hoop,material:l,highlighted:!0,highlightMaterial:_(e,.6),matrix:f,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),M=d.quaternionToRotationMat4(d.vec3PairToQuaternion([0,1,0],t),d.identityMat4()),E=e=>d.mulMat4(M,d.translateMat4c(0,e,0,d.identityMat4()),d.identityMat4()),F=E(1.1),I=E(.5),D=h.addChild(new Gr(h,{geometry:m.arrowHead,material:l,matrix:F,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),S=h.addChild(new Gr(h,{geometry:m.arrowHeadHandle,material:v,matrix:F,pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),T=h.addChild(new Gr(h,{geometry:m.axis,material:l,matrix:I,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),R=h.addChild(new Gr(h,{geometry:m.axisHandle,material:v,matrix:I,pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),L=h.addChild(new Gr(h,{geometry:m.arrowHeadBig,material:l,matrix:F,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),U=(e,t)=>d.vec3ApplyQuaternion(h.quaternion,e,t),O=function(){const t=d.vec3(),i=d.vec3(),s=d.vec3();return(n,a)=>{U(e,t);const l=c,A=t;d.canvasPosToWorldRay(o,r.camera.viewMatrix,r.camera.projMatrix,r.camera.projection,n,i,s);const h=d.dotVec3(A,s),u=d.subVec3(i,l,a),p=d.dotVec3(u,A),f=d.dotVec3(u,s),g=1-h*h;if(Math.abs(g)>1e-10){const e=(p-h*f)/g;return d.addVec3(l,d.mulVec3Scalar(A,e,a),a),!0}return!1}}(),k=d.vec3(),N=d.vec3();return b[S.id]=b[R.id]={setActivated:e=>L.visible=e,initDragAction:e=>O(e,k)&&d.subVec3(k,c,k)&&(e=>{O(e,N)&&(d.subVec3(N,k,N),u(N),this._sectionPlane&&(this._sectionPlane.pos=N))})},b[w.id]={setActivated:e=>C.visible=e,initDragAction:t=>{const s=function(){const t=i.projectWorldPos(c);U(e,N),d.transformVec3(i.normalMatrix,N,N);const s=Math.sign(N[2]);return e=>{const i=e[0]-t[0],r=e[1]-t[1];return s*Math.atan2(-r,i)}}();let r=s(t);return t=>{const i=s(t);h.rotate(e,180*(i-r)/Math.PI),this._sectionPlane&&(n=!0,this._sectionPlane.dir=d.vec3ApplyQuaternion(h.quaternion,[0,0,1],N)),r=i}}},{set visible(e){D.visible=S.visible=T.visible=R.visible=B.visible=w.visible=P.visible=x.visible=e,e||(L.visible=e,C.visible=e)},set culled(e){D.culled=S.culled=T.culled=R.culled=B.culled=w.culled=P.culled=x.culled=e,e||(L.culled=e,C.culled=e)}}};this._displayMeshes=[h.addChild(new Gr(h,{geometry:new bi(h,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new xi(h,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new Mi(h,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),a),h.addChild(new Gr(h,{geometry:new bi(h,Uo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new xi(h,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new Mi(h,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),a),h.addChild(new Gr(h,{geometry:new bi(h,Wr({radius:.05})),material:new xi(h,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),a),y([1,0,0],[1,0,0],[1,0,0]),y([0,1,0],[0,-1,0],[0,1,0]),y([0,0,1],[0,0,-1],[0,0,-1])];const B=[];{let e=-1;const t=e=>h.scale=[e,e,e],s=r.on("tick",(()=>{const s=Math.abs(d.distVec3(i.eye,c));"perspective"===i.projection?s!==e&&t(.07*s*Math.tan(i.perspective.fov*d.DEGTORAD)):"ortho"===i.projection&&t(i.ortho.scale/10),e=s}));B.push((()=>r.off(s)))}{let e=null,i=null;B.push((()=>{i&&i.cleanup()}));const r=d.vec2(),n=(e,t)=>{t[0]=e.clientX,t[1]=e.clientY,De(o.ownerDocument.documentElement,o,t)},a=e=>{n(e,r);const i=t.scene.pick({canvasPos:r}),s=i&&i.entity,o=s&&s.id;return o in b&&b[o]},l=(e,t)=>{const o=a(t(e));if(o){i&&i.cleanup();const e=o.initDragAction(r);e&&(s.pointerEnabled=!1,o.setActivated(!0),i={onChange:i=>{const s=t(i);s&&(n(s,r),e(r))},cleanup:function(){i=null,s.pointerEnabled=!0,o.setActivated(!1)}})}},A=(e,t)=>{o.addEventListener(e,t),B.push((()=>o.removeEventListener(e,t)))};A("mousedown",(e=>{e.preventDefault(),1===e.which&&l(e,(e=>1===e.which&&e))})),A("mousemove",(t=>{if(i)i.onChange(t);else{e&&e();const i=a(t);i?(i.setActivated(!0),e=()=>i.setActivated(!1)):e=null}})),A("mouseup",(e=>{i&&(i.onChange(e),i.cleanup())})),A("touchstart",(e=>{if(e.preventDefault(),1===e.touches.length){const t=e.touches[0].identifier;l(e,(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})),A("touchmove",(e=>{e.preventDefault(),i&&i.onChange(e)})),A("touchend",(e=>{e.preventDefault(),i&&(i.onChange(e),i.cleanup())}))}this._unbindSectionPlane=()=>{},this.__setSectionPlane=e=>{this.id=e.id,this._sectionPlane=e;const t=()=>u(e.pos),i=()=>h.quaternion=d.vec3PairToQuaternion(PC,e.dir,xC);t(),i();const s=e.on("pos",t),r=e.on("dir",(()=>{n?n=!1:i()}));this._unbindSectionPlane=()=>{this.id=null,this._sectionPlane=null,e.off(s),e.off(r),this._unbindSectionPlane=()=>{}}},this.__destroy=()=>{B.forEach((e=>e())),this._unbindSectionPlane(),h.destroy(),this._displayMeshes=[];for(let e in b)delete b[e]}}_destroy(){this.__destroy()}_setSectionPlane(e){this._unbindSectionPlane(),e&&this.__setSectionPlane(e)}get sectionPlane(){return this._sectionPlane}setVisible(e=!0){this._visible!==e&&(this._visible=e,this._displayMeshes.forEach((t=>t.visible=e)))}getVisible(){return this._visible}setCulled(e){this._displayMeshes.forEach((t=>t.culled=e))}}class MC{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new Gr(t,{id:i.id,geometry:new bi(t,yi({xSize:.5,ySize:.5,zSize:.001})),material:new xi(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new Fi(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new Mi(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new Mi(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=d.vec3([0,0,0]),t=d.vec3(),i=d.vec3([0,0,1]),s=d.vec4(4),r=d.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];d.subVec3(o,this._sectionPlane.pos,e);const a=-d.dotVec3(n,e);d.normalizeVec3(n),d.mulVec3Scalar(n,a,t);const l=d.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class EC{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new Ni(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new ai(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new ai(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new ai(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),s=d.vec3(),r=d.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;d.mulVec3Scalar(d.normalizeVec3(d.subVec3(o,n,i)),7),this._zUp?(d.transformVec3(t,i,s),d.transformVec3(t,a,r),e.look=[0,0,0],e.eye=d.transformVec3(t,i,s),e.up=d.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new MC(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const FC=d.AABB3(),IC=d.vec3();class DC extends z{constructor(e,t={}){if(super("SectionPlanes",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new EC(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;FC.set(this.viewer.scene.aabb),d.getAABB3Center(FC,IC),FC[0]+=t[0]-IC[0],FC[1]+=t[1]-IC[1],FC[2]+=t[2]-IC[2],FC[3]+=t[0]-IC[0],FC[4]+=t[1]-IC[1],FC[5]+=t[2]-IC[2],this.viewer.cameraFlight.flyTo({aabb:FC,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Zr(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new CC(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(var t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}class SC{constructor(e,t,i,s,r,o){this.plugin=e,this.storeyId=r,this.modelId=s,this.storeyAABB=i.slice(),this.aabb=this.storeyAABB,this.modelAABB=t.slice(),this.numObjects=o}}class TC{constructor(e,t,i,s,r,o){this.storeyId=e,this.imageData=t,this.format=i,this.width=s,this.height=r}}const RC=d.vec3(),LC=d.mat4();class UC extends z{constructor(e,t={}){super("StoreyViews",e),this._objectsMemento=new dd,this._cameraMemento=new Ad,this.storeys={},this._storeysList=null,this.modelStoreys={},this._fitStoreyMaps=!!t.fitStoreyMaps,this._onModelLoaded=this.viewer.scene.on("modelLoaded",(e=>{this._registerModelStoreys(e),this.fire("storeys",this.storeys)}))}_registerModelStoreys(e){const t=this.viewer,i=t.scene,s=t.metaScene,r=s.metaModels[e],o=i.models[e];if(!r||!r.rootMetaObjects)return;const n=r.rootMetaObjects;for(let t=0,r=n.length;t<r;t++){const r=n[t].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]);for(let t=0,n=r.length;t<n;t++){const n=r[t],a=s.metaObjects[n].getObjectIDsInSubtree(),l=i.getAABB(a),A=Math.random()>.5?a.length:0,h=new SC(this,o.aabb,l,e,n,A);h._onModelDestroyed=o.once("destroyed",(()=>{this._deregisterModelStoreys(e),this.fire("storeys",this.storeys)})),this.storeys[n]=h,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][n]=h}}this._clipBoundingBoxes()}_clipBoundingBoxes(){const e=this.storeysList,t=this.viewer.metaScene,i=this.viewer.camera.worldUp,s=i[0]>i[1]&&i[0]>i[2],r=!s&&i[1]>i[0]&&i[1]>i[2];let o;!s&&!r&&i[2]>i[0]&&(i[2],i[1]),o=s?0:r?1:2;for(let i=0,s=e.length;i<s;i++){const s=t.metaObjects[e[i].storeyId].attributes.elevation;if(isNaN(s))return;const r=e[i].storeyAABB;if(r[o]=Math.max(r[1],parseFloat(s)),i>0){const s=t.metaObjects[e[i-1].storeyId].attributes.elevation;r[4]=Math.min(r[o+3],parseFloat(s))}this.storeys[e[i].storeyId].storeyAABB=r}}_deregisterModelStoreys(e){const t=this.modelStoreys[e];if(t){const i=this.viewer.scene;for(let e in t)if(t.hasOwnProperty(e)){const s=t[e],r=i.models[s.modelId];r&&r.off(s._onModelDestroyed),delete this.storeys[e],this._storeysList=null}delete this.modelStoreys[e]}}get fitStoreyMaps(){return this._fitStoreyMaps}gotoStoreyCamera(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());const s=this.viewer,r=s.scene.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])return void(t.done&&t.done());if(o[3]===o[0]&&o[4]===o[1]&&o[5]===o[2])return void(t.done&&t.done());const n=d.getAABB3Center(o),a=d.getAABB3Diag(o),l=Math.abs(a/Math.tan(45*d.DEGTORAD)),A=1.3*a,h=RC;h[0]=n[0]+r.worldUp[0]*l,h[1]=n[1]+r.worldUp[1]*l,h[2]=n[2]+r.worldUp[2]*l;const c=r.worldForward;t.done?s.cameraFlight.flyTo(y.apply(t,{eye:h,look:n,up:c,orthoScale:A}),(()=>{t.done()})):(s.cameraFlight.jumpTo(y.apply(t,{eye:h,look:n,up:c,orthoScale:A})),s.camera.ortho.scale=A)}showStoreyObjects(e,t={}){if(!this.storeys[e])return void this.error("IfcBuildingStorey not found with this ID: "+e);const i=this.viewer,s=i.scene;i.metaScene.metaObjects[e]&&(t.hideOthers&&s.setObjectsVisible(i.scene.visibleObjectIds,!1),this.withStoreyObjects(e,((e,t)=>{e&&(e.visible=!0)})))}withStoreyObjects(e,t){const i=this.viewer,s=i.scene,r=i.metaScene,o=r.metaObjects[e];if(!o)return;const n=o.getObjectIDsInSubtree();for(var a=0,l=n.length;a<l;a++){const e=n[a],i=r.metaObjects[e],o=s.objects[e];o&&t(o,i)}}createStoreyMap(e,t={}){const i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==";const s=this.viewer,r=s.scene,o=t.format||"png",n=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,a=Math.abs((n[5]-n[2])/(n[3]-n[0])),l=t.padding||0,A=!!t.captureSectionPlanes;let h,c;t.width&&t.height?(h=t.width,c=t.height):t.height?(c=t.height,h=Math.round(c/a)):t.width?(h=t.width,c=Math.round(h*a)):(h=300,c=Math.round(h*a));const u={visible:!0};this._objectsMemento.saveObjects(r,u),this._cameraMemento.saveCamera(r),this.showStoreyObjects(e,y.apply(t,{hideOthers:!0})),A&&this._toggleSectionPlanes(!1),this._arrangeStoreyMapCamera(i);const d=s.getSnapshot({width:h,height:c,format:o});return this._objectsMemento.restoreObjects(r,u),this._cameraMemento.restoreCamera(r),A&&this._toggleSectionPlanes(!0),new TC(e,d,o,h,c,l)}_toggleSectionPlanes(e){const t=this.viewer.scene.sectionPlanes;for(const i in t)t[i].active=e}_arrangeStoreyMapCamera(e){const t=this.viewer,i=t.scene.camera,s=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,r=d.getAABB3Center(s),o=RC;o[0]=r[0]+.5*i.worldUp[0],o[1]=r[1]+.5*i.worldUp[1],o[2]=r[2]+.5*i.worldUp[2];const n=i.worldForward;t.cameraFlight.jumpTo({eye:o,look:r,up:n});const a=(s[3]-s[0])/2,l=(s[4]-s[1])/2,A=(s[5]-s[2])/2,h=-a,c=+a,u=-l,p=+l,f=-A,g=+A;t.camera.customProjection.matrix=d.orthoMat4c(h,c,f,g,u,p,LC),t.camera.projection="customProjection"}pickStoreyMap(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],c=a[3]-l,u=a[4]-A,p=a[5]-h,f=d.vec3([l+c*o,A+.5*u,h+p*n]),g=d.vec3([0,-1,0]),m=d.addVec3(f,g,RC),_=this.viewer.camera.worldForward,v=d.lookAtMat4v(f,m,_,LC);return this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:v})}storeyMapToWorldPos(e,t,i={}){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),null;const o=1-t[0]/e.width,n=1-t[1]/e.height,a=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,l=a[0],A=a[1],h=a[2],c=a[3]-l,u=a[4]-A,p=a[5]-h;return d.vec3([l+c*o,A+.5*u,h+p*n])}getStoreyContainingWorldPos(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t];if(d.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return t}return null}getStoreyInVerticalRange(e,t=null){const i=t?this._filterStoreys(t):this.storeys;for(let t in i){const s=i[t],r=[0,0,0,0,0,0],o=[0,0,0];if(r[1]=s.storeyAABB[1],r[4]=s.storeyAABB[4],o[1]=e[1],d.point3AABB3AbsoluteIntersect(r,o))return t}return null}isPositionAboveOrBelowBuilding(e,t=null){const i=t?this._filterStoreys(t):this.storeys,s=Object.keys(i);if(s.length<=0)return null;const r=[s[0],s[s.length-1]];return e[1]<i[r[0]].storeyAABB[1]?r[0]:e[1]>i[r[1]].storeyAABB[4]?r[1]:null}worldPosToStoreyMap(e,t,i){const s=e.storeyId,r=this.storeys[s];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+s),!1;const o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,n=o[0],a=o[1],l=o[2],A=o[3]-n,h=o[4]-a,c=o[5]-l,u=this.viewer.camera.worldUp,d=u[0]>u[1]&&u[0]>u[2],p=!d&&u[1]>u[0]&&u[1]>u[2];!d&&!p&&u[2]>u[0]&&(u[2],u[1]);const f=e.width/A,g=p?e.height/c:e.height/h;return i[0]=Math.floor(e.width-(t[0]-n)*f),i[1]=Math.floor(e.height-(t[2]-l)*g),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}worldDirToStoreyMap(e,t,i){const s=this.viewer.camera,r=s.eye,o=s.look,n=d.subVec3(o,r,RC),a=s.worldUp,l=a[0]>a[1]&&a[0]>a[2],A=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!A&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=n[1],i[1]=n[2]):A?(i[0]=n[0],i[1]=n[2]):(i[0]=n[0],i[1]=n[1]),d.normalizeVec2(i)}destroy(){this.viewer.scene.off(this._onModelLoaded),super.destroy()}get storeysList(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{let s=0;s=e.xUp?0:e.yUp?1:2;const r=this.viewer.metaScene,o=r.metaObjects[t.storeyId],n=r.metaObjects[i.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&n&&n.attributes&&void 0!==n.attributes.elevation){const e=Number.parseFloat(o.attributes.elevation),t=Number.parseFloat(n.attributes.elevation);return e>t?-1:e<t?1:0}return t.aabb[s]>i.aabb[s]?-1:t.aabb[s]<i.aabb[s]?1:0})}_filterStoreys(e){return Object.fromEntries(Object.entries(this.storeys).filter((([t,i])=>i.modelId===e)))}}const OC=new Float64Array([0,0,1]),kC=new Float64Array(4);class NC{constructor(e){this.id=null,this._viewer=e.viewer,this._plugin=e,this._visible=!1,this._pos=d.vec3(),this._origin=d.vec3(),this._rtcPos=d.vec3(),this._baseDir=d.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}_setSectionPlane(e){this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(()=>{this._setPos(this._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(()=>{this._ignoreNextSectionPlaneDirUpdate?this._ignoreNextSectionPlaneDirUpdate=!1:this._setDir(this._sectionPlane.dir)})))}get sectionPlane(){return this._sectionPlane}_setPos(e){this._pos.set(e),ee(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}_setDir(e){this._baseDir.set(e),this._rootNode.quaternion=d.vec3PairToQuaternion(OC,e,kC)}_setSectionPlaneDir(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}setVisible(e=!0){if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}getVisible(){return this._visible}setCulled(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}_createNodes(){const e=!1,t=this._viewer.scene,i=.01;this._rootNode=new ao(t,{position:[0,0,0],scale:[5,5,5]});const s=this._rootNode,r={arrowHead:new bi(s,Kr({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new bi(s,Kr({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new bi(s,Kr({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},o={red:new xi(s,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new xi(s,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new xi(s,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new Mi(s,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:s.addChild(new Gr(s,{geometry:new bi(s,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new xi(s,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:s.addChild(new Gr(s,{geometry:new bi(s,Uo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new xi(s,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:s.addChild(new Gr(s,{geometry:new bi(s,Wr({radius:.05})),material:o.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:s.addChild(new Gr(s,{geometry:r.arrowHead,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:s.addChild(new Gr(s,{geometry:r.axis,material:o.blue,matrix:function(){const e=d.translateMat4c(0,.5,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[1,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:s.addChild(new Gr(s,{geometry:new bi(s,Uo({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new xi(s,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new Mi(s,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:s.addChild(new Gr(s,{geometry:r.arrowHeadBig,material:o.blue,matrix:function(){const e=d.translateMat4c(0,1.1,0,d.identityMat4()),t=d.rotationMat4v(-90*d.DEGTORAD,[.8,0,0],d.identityMat4());return d.mulMat4(t,e,d.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}_bindEvents(){const e=this._rootNode,t=d.vec2(),i=this._viewer.camera,s=this._viewer.scene;let r=0,o=!1;{const t=d.vec3([0,0,0]);let n=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(()=>{})),this._onCameraProjMatrix=s.camera.on("projMatrix",(()=>{})),this._onSceneTick=s.on("tick",(()=>{o=!1;const l=Math.abs(d.lenVec3(d.subVec3(s.camera.eye,this._pos,t)));if(l!==n&&"perspective"===i.projection){const t=.07*(Math.tan(i.perspective.fov*d.DEGTORAD)*l);e.scale=[t,t,t],n=l}if("ortho"===i.projection){const t=i.ortho.scale/10;e.scale=[t,t,t],n=l}0!==r&&(a(r),r=0)}))}const n=function(){const e=new Float64Array(2);return function(t){if(t){for(var i=t.target,s=0,r=0;i.offsetParent;)s+=i.offsetLeft,r+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-s,e[1]=t.pageY-r}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),a=e=>{const t=this._sectionPlane.pos,i=this._sectionPlane.dir;d.addVec3(t,d.mulVec3Scalar(i,.1*e*this._plugin.getDragSensitivity(),d.vec3())),this._sectionPlane.pos=t};{let e=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=i=>{if(i.preventDefault(),this._visible&&(this._viewer.cameraControl.pointerEnabled=!1,1===i.which)){e=!0;var s=n(i);t[0]=s[0],t[1]=s[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=i=>{if(!this._visible)return;if(!e)return;if(o)return;var s=n(i);const r=s[0],l=s[1];a(l-t[1]),t[0]=r,t[1]=l}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=t=>{this._visible&&(this._viewer.cameraControl.pointerEnabled=!0,e&&(t.which,e=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=e=>{this._visible&&(r+=Math.max(-1,Math.min(1,40*-e.deltaY)))})}{let e,t,i=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=t=>{t.stopPropagation(),t.preventDefault(),this._visible&&(e=t.touches[0].clientY,i=e,r=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=e=>{e.stopPropagation(),e.preventDefault(),this._visible&&(o||(o=!0,t=e.touches[0].clientY,null!==i&&(r+=t-i),i=t))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=i=>{i.stopPropagation(),i.preventDefault(),this._visible&&(e=null,t=null,r=0)})}}_destroy(){this._unbindEvents(),this._destroyNodes()}_unbindEvents(){const e=this._viewer,t=e.scene,i=t.canvas.canvas,s=e.camera,r=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),r.removeEventListener("touchstart",this._handleTouchStart),r.removeEventListener("touchmove",this._handleTouchMove),r.removeEventListener("touchend",this._handleTouchEnd),s.off(this._onCameraViewMatrix),s.off(this._onCameraProjMatrix)}_destroyNodes(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}class QC{constructor(e,t,i){this.id=i.id,this._sectionPlane=i,this._mesh=new Gr(t,{id:i.id,geometry:new bi(t,yi({xSize:.5,ySize:.5,zSize:.001})),material:new xi(t,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new Fi(t,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new Mi(t,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new Mi(t,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});{const e=d.vec3([0,0,0]),t=d.vec3(),i=d.vec3([0,0,1]),s=d.vec4(4),r=d.vec3(),o=()=>{const o=this._sectionPlane.scene.center,n=[-this._sectionPlane.dir[0],-this._sectionPlane.dir[1],-this._sectionPlane.dir[2]];d.subVec3(o,this._sectionPlane.pos,e);const a=-d.dotVec3(n,e);d.normalizeVec3(n),d.mulVec3Scalar(n,a,t);const l=d.vec3PairToQuaternion(i,this._sectionPlane.dir,s);r[0]=.1*t[0],r[1]=.1*t[1],r[2]=.1*t[2],this._mesh.quaternion=l,this._mesh.position=r};this._onSectionPlanePos=this._sectionPlane.on("pos",o),this._onSectionPlaneDir=this._sectionPlane.on("dir",o)}this._highlighted=!1,this._selected=!1}setHighlighted(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}getHighlighted(){return this._highlighted}setSelected(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}getSelected(){return this._selected}destroy(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}class VC{constructor(e,t){if(!(t.onHoverEnterPlane&&t.onHoverLeavePlane&&t.onClickedNothing&&t.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=e,this._viewer=e.viewer,this._onHoverEnterPlane=t.onHoverEnterPlane,this._onHoverLeavePlane=t.onHoverLeavePlane,this._onClickedNothing=t.onClickedNothing,this._onClickedPlane=t.onClickedPlane,this._visible=!0,this._planes={},this._canvas=t.overviewCanvas,this._scene=new Ni(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new ai(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new ai(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new ai(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;{const e=this._scene.camera,t=d.rotationMat4c(-90*d.DEGTORAD,1,0,0),i=d.vec3(),s=d.vec3(),r=d.vec3();this._synchCamera=()=>{const o=this._viewer.camera.eye,n=this._viewer.camera.look,a=this._viewer.camera.up;d.mulVec3Scalar(d.normalizeVec3(d.subVec3(o,n,i)),7),this._zUp?(d.transformVec3(t,i,s),d.transformVec3(t,a,r),e.look=[0,0,0],e.eye=d.transformVec3(t,i,s),e.up=d.transformPoint3(t,a,r)):(e.look=[0,0,0],e.eye=i,e.up=a)}}this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(e=>{this._scene.camera.perspective.fov=e}));var i=null;this._onInputMouseMove=this._scene.input.on("mousemove",(e=>{const t=this._scene.pick({canvasPos:e});if(t){if(!i||t.entity.id!==i.id){if(i){this._planes[i.id]&&this._onHoverLeavePlane(i.id)}i=t.entity;this._planes[i.id]&&this._onHoverEnterPlane(i.id)}}else i&&(this._onHoverLeavePlane(i.id),i=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=()=>{if(i){this._planes[i.id]&&this._onClickedPlane(i.id)}else this._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=()=>{i&&(this._onHoverLeavePlane(i.id),i=null)}),this.setVisible(t.overviewVisible)}addSectionPlane(e){this._planes[e.id]=new QC(this,this._scene,e)}setPlaneHighlighted(e,t){const i=this._planes[e];i&&i.setHighlighted(t)}setPlaneSelected(e,t){const i=this._planes[e];i&&i.setSelected(t)}removeSectionPlane(e){const t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}setVisible(e=!0){this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}getVisible(){return this._visible}destroy(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}const HC=d.AABB3(),jC=d.vec3();class GC extends z{constructor(e,t={}){if(super("FaceAlignedSectionPlanesPlugin",e),this._freeControls=[],this._sectionPlanes=e.scene.sectionPlanes,this._controls={},this._shownControlId=null,this._dragSensitivity=t.dragSensitivity||1,null!==t.overviewCanvasId&&void 0!==t.overviewCanvasId){const e=document.getElementById(t.overviewCanvasId);e?this._overview=new VC(this,{overviewCanvas:e,visible:t.overviewVisible,onHoverEnterPlane:e=>{this._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:e=>{this._overview.setPlaneHighlighted(e,!1)},onClickedPlane:e=>{if(this.getShownControl()===e)return void this.hideControl();this.showControl(e);const t=this.sectionPlanes[e].pos;HC.set(this.viewer.scene.aabb),d.getAABB3Center(HC,jC),HC[0]+=t[0]-jC[0],HC[1]+=t[1]-jC[1],HC[2]+=t[2]-jC[2],HC[3]+=t[0]-jC[0],HC[4]+=t[1]-jC[1],HC[5]+=t[2]-jC[2],this.viewer.cameraFlight.flyTo({aabb:HC,fitFOV:65})},onClickedNothing:()=>{this.hideControl()}}):this.warn("Can't find overview canvas: '"+t.overviewCanvasId+"' - will create plugin without overview")}null===t.controlElementId||void 0===t.controlElementId?this.error("Parameter expected: controlElementId"):(this._controlElement=document.getElementById(t.controlElementId),this._controlElement||this.warn("Can't find control element: '"+t.controlElementId+"' - will create plugin without control element")),this._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(e=>{this._sectionPlaneCreated(e)}))}setDragSensitivity(e){this._dragSensitivity=e||1}getDragSensitivity(){return this._dragSensitivity}setOverviewVisible(e){this._overview&&this._overview.setVisible(e)}getOverviewVisible(){if(this._overview)return this._overview.getVisible()}get sectionPlanes(){return this._sectionPlanes}createSectionPlane(e={}){void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);return new Zr(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0})}_sectionPlaneCreated(e){const t=this._freeControls.length>0?this._freeControls.pop():new NC(this);t._setSectionPlane(e),t.setVisible(!1),this._controls[e.id]=t,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(()=>{this._sectionPlaneDestroyed(e)}))}flipSectionPlanes(){const e=this.viewer.scene.sectionPlanes;for(let t in e){e[t].flipDir()}}showControl(e){const t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}getShownControl(){return this._shownControlId}hideControl(){for(let e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}destroySectionPlane(e){let t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}_sectionPlaneDestroyed(e){this._overview&&this._overview.removeSectionPlane(e);const t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}clear(){const e=Object.keys(this._sectionPlanes);for(let t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}send(e,t){switch(e){case"snapshotStarting":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!0);break;case"snapshotFinished":for(let e in this._controls)this._controls.hasOwnProperty(e)&&this._controls[e].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}destroy(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),super.destroy()}_destroyFreeControls(){let e=this._freeControls.pop();for(;e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}class zC extends z{constructor(e){super("skyboxes",e),this.skyboxes={}}send(e,t){if("clear"===e)this.clear()}createSkybox(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new _d(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}destroySkybox(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}clear(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}destroy(){this.clear(),super.clear()}}class KC{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getSTL(e,t,i){e=this._cacheBusterURL(e);const s=new XMLHttpRequest;s.overrideMimeType("application/json"),s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i(s.statusText))},s.send(null)}}const WC=d.vec3();class XC{load(e,t,i,s,r,o){s=s||{};const n=e.viewer.scene.canvas.spinner;n.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,s){try{const r=eM(i);JC(r)?YC(e,r,t,s):ZC(e,$C(i),t,s)}catch(e){t.fire("error",e)}}(e,t,i,s);try{const o=eM(i);JC(o)?YC(e,o,t,s):ZC(e,$C(i),t,s),n.processes--,I.scheduleTask((function(){t.fire("loaded",!0,!1)})),r&&r()}catch(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}}),(function(i){n.processes--,e.error(i),o&&o(i),t.fire("error",i)}))}parse(e,t,i,s){const r=e.viewer.scene.canvas.spinner;r.processes++;try{const o=eM(i);JC(o)?YC(e,o,t,s):ZC(e,$C(i),t,s),r.processes--,I.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){r.processes--,t.fire("error",e)}}}function JC(e){const t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;const i=[115,111,108,105,100];for(var s=0;s<5;s++)if(i[s]!==t.getUint8(s,!1))return!0;return!1}function YC(e,t,i,s){const r=new DataView(t),o=r.getUint32(80,!0);let n,a,l,A,h,c,u,d=!1,p=null,f=null,g=null,m=!1;for(let e=0;e<70;e++)1129270351===r.getUint32(e,!1)&&82===r.getUint8(e+4)&&61===r.getUint8(e+5)&&(d=!0,A=[],h=r.getUint8(e+6)/255,c=r.getUint8(e+7)/255,u=r.getUint8(e+8)/255,r.getUint8(e+9));const _=new co(i,{roughness:.5});let v=[],b=[],y=s.splitMeshes;for(let e=0;e<o;e++){let t=84+50*e,o=r.getFloat32(t,!0),B=r.getFloat32(t+4,!0),w=r.getFloat32(t+8,!0);if(d){let e=r.getUint16(t+48,!0);0==(32768&e)?(n=(31&e)/31,a=(e>>5&31)/31,l=(e>>10&31)/31):(n=h,a=c,l=u),(y&&n!==p||a!==f||l!==g)&&(null!==p&&(m=!0),p=n,f=a,g=l)}for(let e=1;e<=3;e++){let i=t+12*e;v.push(r.getFloat32(i,!0)),v.push(r.getFloat32(i+4,!0)),v.push(r.getFloat32(i+8,!0)),b.push(o,B,w),d&&A.push(n,a,l,1)}y&&m&&(qC(i,v,b,A,_,s),v=[],b=[],A=A?[]:null,m=!1)}v.length>0&&qC(i,v,b,A,_,s)}function ZC(e,t,i,s){const r=/facet([\s\S]*?)endfacet/g;let o=0;const n=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,a=new RegExp("vertex"+n+n+n,"g"),l=new RegExp("normal"+n+n+n,"g"),A=[],h=[];let c,u,d,p,f,g,m;for(;null!==(p=r.exec(t));){for(f=0,g=0,m=p[0];null!==(p=l.exec(m));)c=parseFloat(p[1]),u=parseFloat(p[2]),d=parseFloat(p[3]),g++;for(;null!==(p=a.exec(m));)A.push(parseFloat(p[1]),parseFloat(p[2]),parseFloat(p[3])),h.push(c,u,d),f++;1!==g&&e.error("Error in normal of face "+o),3!==f&&e.error("Error in positions of face "+o),o++}qC(i,A,h,null,new co(i,{roughness:.5}),s)}function qC(e,t,i,s,r,o){const n=new Int32Array(t.length/3);for(let e=0,t=n.length;e<t;e++)n[e]=e;i=i&&i.length>0?i:null,s=s&&s.length>0?s:null,o.smoothNormals&&d.faceToVertexNormals(t,i,o);const a=WC;te(t,t,a);const l=new bi(e,{primitive:"triangles",positions:t,normals:i,colors:s,indices:n}),A=new Gr(e,{origin:0!==a[0]||0!==a[1]||0!==a[2]?a:null,geometry:l,material:r,edges:o.edges});e.addChild(A)}function $C(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let i=0,s=e.length;i<s;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function eM(e){if("string"==typeof e){const t=new Uint8Array(e.length);for(let i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}class tM extends z{constructor(e,t={}){super("STLLoader",e,t),this._sceneGraphLoader=new XC,this.dataSource=t.dataSource}set dataSource(e){this._dataSource=e||new KC}get dataSource(){return this._dataSource}load(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new ao(this.viewer.scene,y.apply(e,{isModel:!0})),i=e.src,s=e.stl;return i||s?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,s,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}}class iM{createRootNode(){return document.createElement("ul")}createNodeElement(e,t,i,s,r){const o=document.createElement("li");if(o.id=e.nodeId,e.xrayed&&o.classList.add("xrayed-node"),e.children.length>0){const i=document.createElement("a");i.href="#",i.id=`switch-${e.nodeId}`,i.textContent="+",i.classList.add("plus"),t&&i.addEventListener("click",t),o.appendChild(i)}const n=document.createElement("input");n.id=`checkbox-${e.nodeId}`,n.type="checkbox",n.checked=e.checked,n.style["pointer-events"]="all",i&&n.addEventListener("change",i),o.appendChild(n);const a=document.createElement("span");return a.textContent=e.title,o.appendChild(a),s&&W(a,s),r&&(a.onclick=r),o}createDisabledNodeElement(e){const t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);const s=document.createElement("span");return s.textContent=e,t.appendChild(s),t}addChildren(e,t){const i=document.createElement("ul");t.forEach((e=>{i.appendChild(e)})),e.parentElement.appendChild(i)}expand(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}collapse(e,t,i){if(!e)return;const s=e.parentElement;if(!s)return;const r=s.querySelector("ul");r&&(s.removeChild(r),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}isExpanded(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}getId(e){return e.parentElement.id}getIdFromCheckbox(e){return e.id.replace("checkbox-","")}getSwitchElement(e){return document.getElementById(`switch-${e}`)}isChecked(e){return e.checked}setCheckbox(e,t,i=!1){const s=document.getElementById(`checkbox-${e}`);s&&(t!==s.checked&&(s.checked=t),i!==s.indeterminate&&(s.indeterminate=i,i&&(s.checked=!1)))}setXRayed(e,t){const i=document.getElementById(e);i&&(t?i.classList.add("xrayed-node"):i.classList.remove("xrayed-node"))}setHighlighted(e,t){const i=document.getElementById(e);i&&(t?(i.scrollIntoView({block:"center"}),i.classList.add("highlighted-node")):i.classList.remove("highlighted-node"))}}const sM=[];class rM extends z{constructor(e,t={}){super("TreeViewPlugin",e),this.errors=[],this.valid=!0;const i=t.containerElement||document.getElementById(t.containerElementId);if(i instanceof HTMLElement){for(let e=0;;e++)if(!sM[e]){sM[e]=this,this._index=e,this._id=`tree-${e}`;break}if(this._containerElement=i,this._metaModels={},this._autoAddModels=!1!==t.autoAddModels,this._autoExpandDepth=t.autoExpandDepth||0,this._sortNodes=!1!==t.sortNodes,this._viewer=e,this._rootElement=null,this._muteSceneEvents=!1,this._muteTreeEvents=!1,this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._rootNames={},this._sortNodes=t.sortNodes,this._pruneEmptyNodes=t.pruneEmptyNodes,this._showListItemElementId=null,this._renderService=t.renderService||new iM,this._showIndeterminate=t.showIndeterminate??!1,this._showProjectNode=t.showProjectNode??!1,this._elevationSortFunction=t.elevationSortFunction??void 0,this._defaultSortFunction=t.defaultSortFunction??void 0,!this._renderService)throw new Error("TreeViewPlugin: no render service set");if(this._containerElement.oncontextmenu=e=>{e.preventDefault()},this._onObjectVisibility=this._viewer.scene.on("objectVisibility",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;const s=e.visible;if(!(s!==i.checked))return;this._muteTreeEvents=!0,i.checked=s,s?i.numVisibleEntities++:i.numVisibleEntities--,this._renderService.setCheckbox(i.nodeId,s);let r=i.parent;for(;r;){r.checked=s,s?r.numVisibleEntities++:r.numVisibleEntities--;const e=this._showIndeterminate&&r.numVisibleEntities>0&&r.numVisibleEntities<r.numEntities;this._renderService.setCheckbox(r.nodeId,r.numVisibleEntities>0,e),r=r.parent}this._muteTreeEvents=!1})),this._onObjectXrayed=this._viewer.scene.on("objectXRayed",(e=>{if(this._muteSceneEvents)return;const t=e.id,i=this._objectNodes[t];if(!i)return;this._muteTreeEvents=!0;const s=e.xrayed;s!==i.xrayed&&(i.xrayed=s,this._renderService.setXRayed(i.nodeId,s),this._muteTreeEvents=!1)})),this._switchExpandHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._expandSwitchElement(t)},this._switchCollapseHandler=e=>{e.preventDefault(),e.stopPropagation();const t=e.target;this._collapseSwitchElement(t)},this._checkboxChangeHandler=e=>{if(this._muteTreeEvents)return;this._muteSceneEvents=!0;const t=e.target,i=this._renderService.isChecked(t),s=this._renderService.getIdFromCheckbox(t),r=this._nodeNodes[s],o=this._viewer.scene.objects;let n=0;this._withNodeTree(r,(e=>{const t=e.objectId,s=o[t],r=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,r&&i!==e.checked&&n++,e.checked=i,this._renderService.setCheckbox(e.nodeId,i),s&&(s.visible=i)}));let a=r.parent;for(;a;){a.checked=i,i?a.numVisibleEntities+=n:a.numVisibleEntities-=n;const e=this._showIndeterminate&&a.numVisibleEntities>0&&a.numVisibleEntities<a.numEntities;this._renderService.setCheckbox(a.nodeId,a.numVisibleEntities>0,e),a=a.parent}this._muteSceneEvents=!1},this._hierarchy=t.hierarchy||"containment",this._autoExpandDepth=t.autoExpandDepth||0,this._autoAddModels){const e=Object.keys(this.viewer.metaScene.metaModels);for(let t=0,i=e.length;t<i;t++){const i=e[t];this.viewer.metaScene.metaModels[i].finalized&&this.addModel(i)}this.viewer.scene.on("modelLoaded",(e=>{this.viewer.metaScene.metaModels[e]&&this.addModel(e)}))}this.hierarchy=t.hierarchy}else this.error("Mandatory config expected: valid containerElementId or containerElement")}set hierarchy(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}get hierarchy(){return this._hierarchy}addModel(e,t={}){if(!this._containerElement)return;const i=this.viewer.scene.models[e];if(!i)throw"Model not found: "+e;const s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,t&&t.rootName&&(this._rootNames[e]=t.rootName),i.on("destroyed",(()=>{this.removeModel(i.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}removeModel(e){if(!this._containerElement)return;this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes())}showNode(e){this.unShowNode();const t=this._objectNodes[e];if(!t)return;this.collapse();const i=t.nodeId,s=this._renderService.getSwitchElement(i);if(s)return this._expandSwitchElement(s),s.scrollIntoView(),!0;const r=[];r.unshift(t);let o=t.parent;for(;o;)r.unshift(o),o=o.parent;for(let e=0,t=r.length;e<t;e++){const t=this._renderService.getSwitchElement(r[e].nodeId);t&&this._expandSwitchElement(t)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}unShowNode(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}expandToDepth(e){this.collapse();const t=(i,s)=>{if(s===e)return;const r=this._renderService.getSwitchElement(i.nodeId);if(r){this._expandSwitchElement(r);const e=i.children;for(var o=0,n=e.length;o<n;o++){const i=e[o];t(i,s+1)}}};for(let e=0,i=this._rootNodes.length;e<i;e++){const i=this._rootNodes[e];t(i,0)}}collapse(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e].nodeId;this._collapseNode(t)}}withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this.withNodeTree(i[e],t)}destroy(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete sM[this._index],super.destroy())}_createNodes(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}_validate(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}_validateMetaModelForStoreysHierarchy(e=0,t,i){return!0}_createEnabledNodes(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}_createDisabledNodes(){const e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);const t=this._viewer.metaScene.rootMetaObjects;for(let i in t){const s=t[i],r=s.type,o=s.name,n=o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:r,a=this._renderService.createDisabledNodeElement(n);e.appendChild(a)}}_findEmptyNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._findEmptyNodes2(e[t])}_findEmptyNodes2(e,t=0){const i=this.viewer.scene,s=e.children,r=e.id,o=i.objects[r];if(e._countEntities=0,o&&e._countEntities++,s)for(let t=0,i=s.length;t<i;t++){const i=s[t];i._countEntities=this._findEmptyNodes2(i),e._countEntities+=i._countEntities}return e._countEntities}_createStoreysNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createStoreysNodes2(e[t],null,null,null,null)}_createStoreysNodes2(e,t,i,s,r){if(this._pruneEmptyNodes&&0===e._countEntities)return;const o=e.type,n=e.name,a=e.children,l=e.id;if(this._showProjectNode&&"IfcProject"===o)t={nodeId:`${this._id}-${l}`,objectId:l,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o),type:o,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuilding"===o)i={nodeId:`${this._id}-${l}`,objectId:l,title:0===e.metaModels.length?n:this._rootNames[e.metaModels[0].id]||(n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o),type:o,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t?t.children.push(i):this._rootNodes.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i;else if("IfcBuildingStorey"===o){if(!i)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");s={nodeId:`${this._id}-${l}`,objectId:l,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o,type:o,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(s),this._objectNodes[s.objectId]=s,this._nodeNodes[s.nodeId]=s,r={}}else if(s){if(this._viewer.scene.objects[l]){let e=(r=r||{})[o];e||(e={nodeId:`${this._id}-${s.objectId}-${o}`,objectId:`${s.objectId}-${o}`,title:o,type:o,parent:s,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},s.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,r[o]=e);const t={nodeId:`${this._id}-${l}`,objectId:l,title:n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:o,type:o,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t}}if(a)for(let e=0,o=a.length;e<o;e++){const o=a[e];this._createStoreysNodes2(o,t,i,s,r)}}_createTypesNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createTypesNodes2(e[t],null,null)}_createTypesNodes2(e,t,i){if(this._pruneEmptyNodes&&0===e._countEntities)return;const s=e.type,r=e.name,o=e.children,n=e.id;if(e.parent){if(t){if(this._viewer.scene.objects[n]){let e=i[s];e||(e={nodeId:`${this._id}-${t.objectId}-${s}`,objectId:`${t.objectId}-${s}`,title:s,type:s,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(e),this._objectNodes[e.objectId]=e,this._nodeNodes[e.nodeId]=e,i[s]=e);const o={nodeId:`${this._id}-${n}`,objectId:n,title:r&&""!==r&&"Default"!==r?r:s,type:s,parent:e,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};e.children.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o}}}else t={nodeId:`${this._id}-${n}`,objectId:n,title:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||(r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:s),type:s,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(o)for(let e=0,s=o.length;e<s;e++){const s=o[e];this._createTypesNodes2(s,t,i)}}_createContainmentNodes(){const e=this._viewer.metaScene.rootMetaObjects;for(let t in e)this._createContainmentNodes2(e[t],null)}_createContainmentNodes2(e,t){if(this._pruneEmptyNodes&&0===e._countEntities)return;const i=e.type,s=e.name||i,r=e.children,o=e.id,n={nodeId:`${this._id}-${o}`,objectId:o,title:t?s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:i:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||s,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(n):this._rootNodes.push(n),this._objectNodes[n.objectId]=n,this._nodeNodes[n.nodeId]=n,r)for(let e=0,t=r.length;e<t;e++){const t=r[e];this._createContainmentNodes2(t,n)}}_doSortNodes(){for(let e=0,t=this._rootNodes.length;e<t;e++){const t=this._rootNodes[e];this._sortChildren(t)}}_sortChildren(e){const t=e.children;if(!t||0===t.length)return;const i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?this._defaultSortFunction?t.sort(this._defaultSortFunction):t.sort(this._alphaSortFunc):this._elevationSortFunction?t.sort(this._elevationSortFunction):t.sort(this._getSpatialSortFunc());for(let e=0,i=t.length;e<i;e++){const i=t[e];this._sortChildren(i)}}_getSpatialSortFunc(){const e=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=(t,i)=>{e.xUp||e.yUp;const s=this.viewer.metaScene,r=s.metaObjects[t.objectId],o=s.metaObjects[i.objectId];if(r&&r.attributes&&void 0!==r.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){const e=Number.parseFloat(r.attributes.elevation),t=Number.parseFloat(o.attributes.elevation);return e>t?-1:e<t?1:0}return 0})}_alphaSortFunc(e,t){const i=e.title.toUpperCase(),s=t.title.toUpperCase();return i<s?-1:i>s?1:0}_synchNodesToEntities(){const e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects;for(let s=0,r=e.length;s<r;s++){const r=e[s];if(t[r]){const e=this._objectNodes[r];if(e){const t=i[r];if(t){const i=t.visible;e.numEntities=1,e.xrayed=t.xrayed,i?(e.numVisibleEntities=1,e.checked=!0):(e.numVisibleEntities=0,e.checked=!1);let s=e.parent;for(;s;)s.numEntities++,i&&(s.numVisibleEntities++,s.checked=!0),s=s.parent}}}}}_withNodeTree(e,t){t(e);const i=e.children;if(i)for(let e=0,s=i.length;e<s;e++)this._withNodeTree(i[e],t)}_createTrees(){if(0===this._rootNodes.length)return;const e=this._rootNodes.map((e=>this._createNodeElement(e))),t=this._renderService.createRootNode();e.forEach((e=>{t.appendChild(e)})),this._containerElement.appendChild(t),this._rootElement=t}_createNodeElement(e){return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(t=>{this.fire("contextmenu",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}),(t=>{this.fire("nodeTitleClicked",{event:t,viewer:this._viewer,treeViewPlugin:this,treeViewNode:e}),t.preventDefault()}))}_expandSwitchElement(e){if(this._renderService.isExpanded(e))return;const t=this._renderService.getId(e),i=this._nodeNodes[t].children.map((e=>this._createNodeElement(e)));this._renderService.addChildren(e,i),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}_collapseNode(e){const t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}_collapseSwitchElement(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}}class oM{constructor(e){this._scene=e,this._objects=[],this._objectsViewCulled=[],this._objectsDetailCulled=[],this._objectsChanged=[],this._objectsChangedList=[],this._modelInfos={},this._numObjects=0,this._lenObjectsChangedList=0,this._dirty=!0,this._onModelLoaded=e.on("modelLoaded",(t=>{const i=e.models[t];i&&this._addModel(i)})),this._onTick=e.on("tick",(()=>{this._dirty&&this._build(),this._applyChanges()}))}_addModel(e){const t={model:e,onDestroyed:e.on("destroyed",(()=>{this._removeModel(e)}))};this._modelInfos[e.id]=t,this._dirty=!0}_removeModel(e){const t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._dirty=!0)}_build(){if(!this._dirty)return;this._applyChanges();const e=this._scene.objects;for(let e=0;e<this._numObjects;e++)this._objects[e]=null;this._numObjects=0;for(let t in e){const i=e[t];this._objects[this._numObjects++]=i}this._lenObjectsChangedList=0,this._dirty=!1}_applyChanges(){if(this._lenObjectsChangedList>0){for(let e=0;e<this._lenObjectsChangedList;e++){const t=this._objectsChangedList[e],i=this._objects[t],s=this._objectsViewCulled[t],r=this._objectsDetailCulled[t],o=s||r;i.culled=o,this._objectsChanged[t]=!1}this._lenObjectsChangedList=0}}get objects(){return this._dirty&&this._build(),this._objects}get numObjects(){return this._dirty&&this._build(),this._numObjects}setObjectViewCulled(e,t){this._dirty&&this._build(),this._objectsViewCulled[e]!==t&&(this._objectsViewCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}setObjectDetailCulled(e,t){this._dirty&&this._build(),this._objectsDetailCulled[e]!==t&&(this._objectsDetailCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}_destroy(){this._clear(),this._scene.off(this._onModelLoaded),this._scene.off(this._onTick)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._dirty=!0}}const nM={};const aM=new Float32Array(3);class lM extends z{constructor(e,t={}){super("ViewCull",e),this._objectCullStates=function(e){const t=e.id;let i=nM[t];return i||(i=new oM(e),nM[t]=i,e.on("destroyed",(()=>{delete nM[t],i._destroy()}))),i}(e.scene),this._maxTreeDepth=t.maxTreeDepth||8,this._modelInfos={},this._frustum=new N,this._kdRoot=null,this._frustumDirty=!1,this._kdTreeDirty=!1,this._onViewMatrix=e.scene.camera.on("viewMatrix",(()=>{this._frustumDirty=!0})),this._onProjMatrix=e.scene.camera.on("projMatMatrix",(()=>{this._frustumDirty=!0})),this._onModelLoaded=e.scene.on("modelLoaded",(e=>{const t=this.viewer.scene.models[e];t&&this._addModel(t)})),this._onSceneTick=e.scene.on("tick",(()=>{this._doCull()}))}set enabled(e){this._enabled=e}get enabled(){return this._enabled}_addModel(e){const t={model:e,onDestroyed:e.on("destroyed",(()=>{this._removeModel(e)}))};this._modelInfos[e.id]=t,this._kdTreeDirty=!0}_removeModel(e){const t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._kdTreeDirty=!0)}_doCull(){const e=this._frustumDirty||this._kdTreeDirty;if(this._frustumDirty&&this._buildFrustum(),this._kdTreeDirty&&this._buildKDTree(),e){const e=this._kdRoot;e&&this._visitKDNode(e)}}_buildFrustum(){const e=this.viewer.scene.camera;Q(this._frustum,e.viewMatrix,e.projMatrix),this._frustumDirty=!1}_buildKDTree(){const e=this.viewer.scene;this._kdRoot,this._kdRoot={aabb:e.getAABB(),intersection:N.INTERSECT};for(let e=0,t=this._objectCullStates.numObjects;e<t;e++){const t=this._objectCullStates.objects[e];this._insertEntityIntoKDTree(this._kdRoot,t,e,1)}this._kdTreeDirty=!1}_insertEntityIntoKDTree(e,t,i,s){const r=t.aabb;if(s>=this._maxTreeDepth)return e.objects=e.objects||[],e.objects.push(i),void d.expandAABB3(e.aabb,r);if(e.left&&d.containsAABB3(e.left.aabb,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1);if(e.right&&d.containsAABB3(e.right.aabb,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1);const o=e.aabb;aM[0]=o[3]-o[0],aM[1]=o[4]-o[1],aM[2]=o[5]-o[2];let n=0;if(aM[1]>aM[n]&&(n=1),aM[2]>aM[n]&&(n=2),!e.left){const a=o.slice();if(a[n+3]=(o[n]+o[n+3])/2,e.left={aabb:a,intersection:N.INTERSECT},d.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.left,t,i,s+1)}if(!e.right){const a=o.slice();if(a[n]=(o[n]+o[n+3])/2,e.right={aabb:a,intersection:N.INTERSECT},d.containsAABB3(a,r))return void this._insertEntityIntoKDTree(e.right,t,i,s+1)}e.objects=e.objects||[],e.objects.push(i),d.expandAABB3(e.aabb,r)}_visitKDNode(e,t=N.INTERSECT){if(t!==N.INTERSECT&&e.intersects===t)return;t===N.INTERSECT&&(t=V(this._frustum,e.aabb),e.intersects=t);const i=t===N.OUTSIDE,s=e.objects;if(s&&s.length>0)for(let e=0,t=s.length;e<t;e++){const t=s[e];this._objectCullStates.setObjectViewCulled(t,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}send(e,t){}destroy(){super.destroy(),this._clear();const e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}_clear(){for(let e in this._modelInfos){const t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}}class AM{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getManifest(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getMetaModel(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}getXKT(e,t,i){var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",this._cacheBusterURL(e),!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}
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n,a,l,A=-1;for(e.heap_len=0,e.heap_max=573,n=0;n<o;n++)0!==i[2*n]?(e.heap[++e.heap_len]=A=n,e.depth[n]=0):i[2*n+1]=0;for(;e.heap_len<2;)l=e.heap[++e.heap_len]=A<2?++A:0,i[2*l]=1,e.depth[l]=0,e.opt_len--,r&&(e.static_len-=s[2*l+1]);for(t.max_code=A,n=e.heap_len>>1;n>=1;n--)C(e,i,n);l=o;do{n=e.heap[1],e.heap[1]=e.heap[e.heap_len--],C(e,i,1),a=e.heap[1],e.heap[--e.heap_max]=n,e.heap[--e.heap_max]=a,i[2*l]=i[2*n]+i[2*a],e.depth[l]=(e.depth[n]>=e.depth[a]?e.depth[n]:e.depth[a])+1,i[2*n+1]=i[2*a+1]=l,e.heap[1]=l++,C(e,i,1)}while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],((e,t)=>{const i=t.dyn_tree,s=t.max_code,r=t.stat_desc.static_tree,o=t.stat_desc.has_stree,n=t.stat_desc.extra_bits,a=t.stat_desc.extra_base,l=t.stat_desc.max_length;let A,h,c,u,d,p,f=0;for(u=0;u<=15;u++)e.bl_count[u]=0;for(i[2*e.heap[e.heap_max]+1]=0,A=e.heap_max+1;A<573;A++)h=e.heap[A],u=i[2*i[2*h+1]+1]+1,u>l&&(u=l,f++),i[2*h+1]=u,h>s||(e.bl_count[u]++,d=0,h>=a&&(d=n[h-a]),p=i[2*h],e.opt_len+=p*(u+d),o&&(e.static_len+=p*(r[2*h+1]+d)));if(0!==f){do{for(u=l-1;0===e.bl_count[u];)u--;e.bl_count[u]--,e.bl_count[u+1]+=2,e.bl_count[l]--,f-=2}while(f>0);for(u=l;0!==u;u--)for(h=e.bl_count[u];0!==h;)c=e.heap[--A],c>s||(i[2*c+1]!==u&&(e.opt_len+=(u-i[2*c+1])*i[2*c],i[2*c+1]=u),h--)}})(e,t),B(i,A,e.bl_count)},F=(e,t,i)=>{let s,r,o=-1,n=t[1],a=0,l=7,A=4;for(0===n&&(l=138,A=3),t[2*(i+1)+1]=65535,s=0;s<=i;s++)r=n,n=t[2*(s+1)+1],++a<l&&r===n||(a<A?e.bl_tree[2*r]+=a:0!==r?(r!==o&&e.bl_tree[2*r]++,e.bl_tree[32]++):a<=10?e.bl_tree[34]++:e.bl_tree[36]++,a=0,o=r,0===n?(l=138,A=3):r===n?(l=6,A=3):(l=7,A=4))},I=(e,t,i)=>{let s,r,o=-1,n=t[1],a=0,l=7,A=4;for(0===n&&(l=138,A=3),s=0;s<=i;s++)if(r=n,n=t[2*(s+1)+1],!(++a<l&&r===n)){if(a<A)do{b(e,r,e.bl_tree)}while(0!=--a);else 0!==r?(r!==o&&(b(e,r,e.bl_tree),a--),b(e,16,e.bl_tree),v(e,a-3,2)):a<=10?(b(e,17,e.bl_tree),v(e,a-3,3)):(b(e,18,e.bl_tree),v(e,a-11,7));a=0,o=r,0===n?(l=138,A=3):r===n?(l=6,A=3):(l=7,A=4)}};let D=!1;const S=(e,t,i,s)=>{v(e,0+(s?1:0),3),P(e),_(e,i),_(e,~i),i&&e.pending_buf.set(e.window.subarray(t,t+i),e.pending),e.pending+=i};var T={_tr_init:e=>{D||((()=>{let e,t,o,g,m;const _=new Array(16);for(o=0,g=0;g<28;g++)for(h[g]=o,e=0;e<1<<i[g];e++)A[o++]=g;for(A[o-1]=g,m=0,g=0;g<16;g++)for(c[g]=m,e=0;e<1<<s[g];e++)l[m++]=g;for(m>>=7;g<30;g++)for(c[g]=m<<7,e=0;e<1<<s[g]-7;e++)l[256+m++]=g;for(t=0;t<=15;t++)_[t]=0;for(e=0;e<=143;)n[2*e+1]=8,e++,_[8]++;for(;e<=255;)n[2*e+1]=9,e++,_[9]++;for(;e<=279;)n[2*e+1]=7,e++,_[7]++;for(;e<=287;)n[2*e+1]=8,e++,_[8]++;for(B(n,287,_),e=0;e<30;e++)a[2*e+1]=5,a[2*e]=y(e,5);d=new u(n,i,257,286,15),p=new u(a,s,0,30,15),f=new u(new Array(0),r,0,19,7)})(),D=!0),e.l_desc=new g(e.dyn_ltree,d),e.d_desc=new g(e.dyn_dtree,p),e.bl_desc=new g(e.bl_tree,f),e.bi_buf=0,e.bi_valid=0,w(e)},_tr_stored_block:S,_tr_flush_block:(e,t,i,s)=>{let r,l,A=0;e.level>0?(2===e.strm.data_type&&(e.strm.data_type=(e=>{let t,i=4093624447;for(t=0;t<=31;t++,i>>>=1)if(1&i&&0!==e.dyn_ltree[2*t])return 0;if(0!==e.dyn_ltree[18]||0!==e.dyn_ltree[20]||0!==e.dyn_ltree[26])return 1;for(t=32;t<256;t++)if(0!==e.dyn_ltree[2*t])return 1;return 0})(e)),E(e,e.l_desc),E(e,e.d_desc),A=(e=>{let t;for(F(e,e.dyn_ltree,e.l_desc.max_code),F(e,e.dyn_dtree,e.d_desc.max_code),E(e,e.bl_desc),t=18;t>=3&&0===e.bl_tree[2*o[t]+1];t--);return e.opt_len+=3*(t+1)+5+5+4,t})(e),r=e.opt_len+3+7>>>3,l=e.static_len+3+7>>>3,l<=r&&(r=l)):r=l=i+5,i+4<=r&&-1!==t?S(e,t,i,s):4===e.strategy||l===r?(v(e,2+(s?1:0),3),M(e,n,a)):(v(e,4+(s?1:0),3),((e,t,i,s)=>{let r;for(v(e,t-257,5),v(e,i-1,5),v(e,s-4,4),r=0;r<s;r++)v(e,e.bl_tree[2*o[r]+1],3);I(e,e.dyn_ltree,t-1),I(e,e.dyn_dtree,i-1)})(e,e.l_desc.max_code+1,e.d_desc.max_code+1,A+1),M(e,e.dyn_ltree,e.dyn_dtree)),w(e),s&&P(e)},_tr_tally:(e,t,i)=>(e.pending_buf[e.sym_buf+e.sym_next++]=t,e.pending_buf[e.sym_buf+e.sym_next++]=t>>8,e.pending_buf[e.sym_buf+e.sym_next++]=i,0===t?e.dyn_ltree[2*i]++:(e.matches++,t--,e.dyn_ltree[2*(A[i]+256+1)]++,e.dyn_dtree[2*m(t)]++),e.sym_next===e.sym_end),_tr_align:e=>{v(e,2,3),b(e,256,n),(e=>{16===e.bi_valid?(_(e,e.bi_buf),e.bi_buf=0,e.bi_valid=0):e.bi_valid>=8&&(e.pending_buf[e.pending++]=255&e.bi_buf,e.bi_buf>>=8,e.bi_valid-=8)})(e)}},R=(e,t,i,s)=>{let r=65535&e|0,o=e>>>16&65535|0,n=0;for(;0!==i;){n=i>2e3?2e3:i,i-=n;do{r=r+t[s++]|0,o=o+r|0}while(--n);r%=65521,o%=65521}return r|o<<16|0};const L=new Uint32Array((()=>{let e,t=[];for(var i=0;i<256;i++){e=i;for(var s=0;s<8;s++)e=1&e?3988292384^e>>>1:e>>>1;t[i]=e}return t})());var U=(e,t,i,s)=>{const r=L,o=s+i;e^=-1;for(let i=s;i<o;i++)e=e>>>8^r[255&(e^t[i])];return-1^e},O={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"},k={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_MEM_ERROR:-4,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8};const{_tr_init:N,_tr_stored_block:Q,_tr_flush_block:V,_tr_tally:H,_tr_align:j}=T,{Z_NO_FLUSH:G,Z_PARTIAL_FLUSH:z,Z_FULL_FLUSH:K,Z_FINISH:W,Z_BLOCK:X,Z_OK:J,Z_STREAM_END:Y,Z_STREAM_ERROR:Z,Z_DATA_ERROR:q,Z_BUF_ERROR:$,Z_DEFAULT_COMPRESSION:ee,Z_FILTERED:te,Z_HUFFMAN_ONLY:ie,Z_RLE:se,Z_FIXED:re,Z_DEFAULT_STRATEGY:oe,Z_UNKNOWN:ne,Z_DEFLATED:ae}=k,le=258,Ae=262,he=42,ce=113,ue=666,de=(e,t)=>(e.msg=O[t],t),pe=e=>2*e-(e>4?9:0),fe=e=>{let t=e.length;for(;--t>=0;)e[t]=0},ge=e=>{let t,i,s,r=e.w_size;t=e.hash_size,s=t;do{i=e.head[--s],e.head[s]=i>=r?i-r:0}while(--t);t=r,s=t;do{i=e.prev[--s],e.prev[s]=i>=r?i-r:0}while(--t)};let me=(e,t,i)=>(t<<e.hash_shift^i)&e.hash_mask;const _e=e=>{const t=e.state;let i=t.pending;i>e.avail_out&&(i=e.avail_out),0!==i&&(e.output.set(t.pending_buf.subarray(t.pending_out,t.pending_out+i),e.next_out),e.next_out+=i,t.pending_out+=i,e.total_out+=i,e.avail_out-=i,t.pending-=i,0===t.pending&&(t.pending_out=0))},ve=(e,t)=>{V(e,e.block_start>=0?e.block_start:-1,e.strstart-e.block_start,t),e.block_start=e.strstart,_e(e.strm)},be=(e,t)=>{e.pending_buf[e.pending++]=t},ye=(e,t)=>{e.pending_buf[e.pending++]=t>>>8&255,e.pending_buf[e.pending++]=255&t},Be=(e,t,i,s)=>{let r=e.avail_in;return r>s&&(r=s),0===r?0:(e.avail_in-=r,t.set(e.input.subarray(e.next_in,e.next_in+r),i),1===e.state.wrap?e.adler=R(e.adler,t,r,i):2===e.state.wrap&&(e.adler=U(e.adler,t,r,i)),e.next_in+=r,e.total_in+=r,r)},we=(e,t)=>{let i,s,r=e.max_chain_length,o=e.strstart,n=e.prev_length,a=e.nice_match;const l=e.strstart>e.w_size-Ae?e.strstart-(e.w_size-Ae):0,A=e.window,h=e.w_mask,c=e.prev,u=e.strstart+le;let d=A[o+n-1],p=A[o+n];e.prev_length>=e.good_match&&(r>>=2),a>e.lookahead&&(a=e.lookahead);do{if(i=t,A[i+n]===p&&A[i+n-1]===d&&A[i]===A[o]&&A[++i]===A[o+1]){o+=2,i++;do{}while(A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&A[++o]===A[++i]&&o<u);if(s=le-(u-o),o=u-le,s>n){if(e.match_start=t,n=s,s>=a)break;d=A[o+n-1],p=A[o+n]}}}while((t=c[t&h])>l&&0!=--r);return n<=e.lookahead?n:e.lookahead},Pe=e=>{const t=e.w_size;let i,s,r;do{if(s=e.window_size-e.lookahead-e.strstart,e.strstart>=t+(t-Ae)&&(e.window.set(e.window.subarray(t,t+t-s),0),e.match_start-=t,e.strstart-=t,e.block_start-=t,e.insert>e.strstart&&(e.insert=e.strstart),ge(e),s+=t),0===e.strm.avail_in)break;if(i=Be(e.strm,e.window,e.strstart+e.lookahead,s),e.lookahead+=i,e.lookahead+e.insert>=3)for(r=e.strstart-e.insert,e.ins_h=e.window[r],e.ins_h=me(e,e.ins_h,e.window[r+1]);e.insert&&(e.ins_h=me(e,e.ins_h,e.window[r+3-1]),e.prev[r&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=r,r++,e.insert--,!(e.lookahead+e.insert<3)););}while(e.lookahead<Ae&&0!==e.strm.avail_in)},xe=(e,t)=>{let i,s,r,o=e.pending_buf_size-5>e.w_size?e.w_size:e.pending_buf_size-5,n=0,a=e.strm.avail_in;do{if(i=65535,r=e.bi_valid+42>>3,e.strm.avail_out<r)break;if(r=e.strm.avail_out-r,s=e.strstart-e.block_start,i>s+e.strm.avail_in&&(i=s+e.strm.avail_in),i>r&&(i=r),i<o&&(0===i&&t!==W||t===G||i!==s+e.strm.avail_in))break;n=t===W&&i===s+e.strm.avail_in?1:0,Q(e,0,0,n),e.pending_buf[e.pending-4]=i,e.pending_buf[e.pending-3]=i>>8,e.pending_buf[e.pending-2]=~i,e.pending_buf[e.pending-1]=~i>>8,_e(e.strm),s&&(s>i&&(s=i),e.strm.output.set(e.window.subarray(e.block_start,e.block_start+s),e.strm.next_out),e.strm.next_out+=s,e.strm.avail_out-=s,e.strm.total_out+=s,e.block_start+=s,i-=s),i&&(Be(e.strm,e.strm.output,e.strm.next_out,i),e.strm.next_out+=i,e.strm.avail_out-=i,e.strm.total_out+=i)}while(0===n);return a-=e.strm.avail_in,a&&(a>=e.w_size?(e.matches=2,e.window.set(e.strm.input.subarray(e.strm.next_in-e.w_size,e.strm.next_in),0),e.strstart=e.w_size,e.insert=e.strstart):(e.window_size-e.strstart<=a&&(e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,e.insert>e.strstart&&(e.insert=e.strstart)),e.window.set(e.strm.input.subarray(e.strm.next_in-a,e.strm.next_in),e.strstart),e.strstart+=a,e.insert+=a>e.w_size-e.insert?e.w_size-e.insert:a),e.block_start=e.strstart),e.high_water<e.strstart&&(e.high_water=e.strstart),n?4:t!==G&&t!==W&&0===e.strm.avail_in&&e.strstart===e.block_start?2:(r=e.window_size-e.strstart,e.strm.avail_in>r&&e.block_start>=e.w_size&&(e.block_start-=e.w_size,e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,r+=e.w_size,e.insert>e.strstart&&(e.insert=e.strstart)),r>e.strm.avail_in&&(r=e.strm.avail_in),r&&(Be(e.strm,e.window,e.strstart,r),e.strstart+=r,e.insert+=r>e.w_size-e.insert?e.w_size-e.insert:r),e.high_water<e.strstart&&(e.high_water=e.strstart),r=e.bi_valid+42>>3,r=e.pending_buf_size-r>65535?65535:e.pending_buf_size-r,o=r>e.w_size?e.w_size:r,s=e.strstart-e.block_start,(s>=o||(s||t===W)&&t!==G&&0===e.strm.avail_in&&s<=r)&&(i=s>r?r:s,n=t===W&&0===e.strm.avail_in&&i===s?1:0,Q(e,e.block_start,i,n),e.block_start+=i,_e(e.strm)),n?3:1)},Ce=(e,t)=>{let i,s;for(;;){if(e.lookahead<Ae){if(Pe(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),0!==i&&e.strstart-i<=e.w_size-Ae&&(e.match_length=we(e,i)),e.match_length>=3)if(s=H(e,e.strstart-e.match_start,e.match_length-3),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=3){e.match_length--;do{e.strstart++,e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart}while(0!=--e.match_length);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.ins_h=e.window[e.strstart],e.ins_h=me(e,e.ins_h,e.window[e.strstart+1]);else s=H(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(s&&(ve(e,!1),0===e.strm.avail_out))return 1}return e.insert=e.strstart<2?e.strstart:2,t===W?(ve(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(ve(e,!1),0===e.strm.avail_out)?1:2},Me=(e,t)=>{let i,s,r;for(;;){if(e.lookahead<Ae){if(Pe(e),e.lookahead<Ae&&t===G)return 1;if(0===e.lookahead)break}if(i=0,e.lookahead>=3&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart),e.prev_length=e.match_length,e.prev_match=e.match_start,e.match_length=2,0!==i&&e.prev_length<e.max_lazy_match&&e.strstart-i<=e.w_size-Ae&&(e.match_length=we(e,i),e.match_length<=5&&(e.strategy===te||3===e.match_length&&e.strstart-e.match_start>4096)&&(e.match_length=2)),e.prev_length>=3&&e.match_length<=e.prev_length){r=e.strstart+e.lookahead-3,s=H(e,e.strstart-1-e.prev_match,e.prev_length-3),e.lookahead-=e.prev_length-1,e.prev_length-=2;do{++e.strstart<=r&&(e.ins_h=me(e,e.ins_h,e.window[e.strstart+3-1]),i=e.prev[e.strstart&e.w_mask]=e.head[e.ins_h],e.head[e.ins_h]=e.strstart)}while(0!=--e.prev_length);if(e.match_available=0,e.match_length=2,e.strstart++,s&&(ve(e,!1),0===e.strm.avail_out))return 1}else 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Ie(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=ae,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),fe(this.dyn_ltree),fe(this.dyn_dtree),fe(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),fe(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new 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Uint8Array(e):i.input=e,i.next_in=0,i.avail_in=i.input.length;;)if(0===i.avail_out&&(i.output=new Uint8Array(s),i.next_out=0,i.avail_out=s),(o===Ze||o===qe)&&i.avail_out<=6)this.onData(i.output.subarray(0,i.next_out)),i.avail_out=0;else{if(r=Oe(i,o),r===tt)return i.next_out>0&&this.onData(i.output.subarray(0,i.next_out)),r=ke(this.strm),this.onEnd(r),this.ended=!0,r===et;if(0!==i.avail_out){if(o>0&&i.next_out>0)this.onData(i.output.subarray(0,i.next_out)),i.avail_out=0;else if(0===i.avail_in)break}else this.onData(i.output)}return!0},ot.prototype.onData=function(e){this.chunks.push(e)},ot.prototype.onEnd=function(e){e===et&&(this.result=He(this.chunks)),this.chunks=[],this.err=e,this.msg=this.strm.msg};var at={Deflate:ot,deflate:nt,deflateRaw:function(e,t){return(t=t||{}).raw=!0,nt(e,t)},gzip:function(e,t){return(t=t||{}).gzip=!0,nt(e,t)},constants:k};const lt=16209;var At=function(e,t){let i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,w,P,x;const C=e.state;i=e.next_in,P=e.input,s=i+(e.avail_in-5),r=e.next_out,x=e.output,o=r-(t-e.avail_out),n=r+(e.avail_out-257),a=C.dmax,l=C.wsize,A=C.whave,h=C.wnext,c=C.window,u=C.hold,d=C.bits,p=C.lencode,f=C.distcode,g=(1<<C.lenbits)-1,m=(1<<C.distbits)-1;e:do{d<15&&(u+=P[i++]<<d,d+=8,u+=P[i++]<<d,d+=8),_=p[u&g];t:for(;;){if(v=_>>>24,u>>>=v,d-=v,v=_>>>16&255,0===v)x[r++]=65535&_;else{if(!(16&v)){if(0==(64&v)){_=p[(65535&_)+(u&(1<<v)-1)];continue t}if(32&v){C.mode=16191;break e}e.msg="invalid literal/length code",C.mode=lt;break e}b=65535&_,v&=15,v&&(d<v&&(u+=P[i++]<<d,d+=8),b+=u&(1<<v)-1,u>>>=v,d-=v),d<15&&(u+=P[i++]<<d,d+=8,u+=P[i++]<<d,d+=8),_=f[u&m];i:for(;;){if(v=_>>>24,u>>>=v,d-=v,v=_>>>16&255,!(16&v)){if(0==(64&v)){_=f[(65535&_)+(u&(1<<v)-1)];continue i}e.msg="invalid distance code",C.mode=lt;break e}if(y=65535&_,v&=15,d<v&&(u+=P[i++]<<d,d+=8,d<v&&(u+=P[i++]<<d,d+=8)),y+=u&(1<<v)-1,y>a){e.msg="invalid distance too far back",C.mode=lt;break e}if(u>>>=v,d-=v,v=r-o,y>v){if(v=y-v,v>A&&C.sane){e.msg="invalid distance too far back",C.mode=lt;break e}if(B=0,w=c,0===h){if(B+=l-v,v<b){b-=v;do{x[r++]=c[B++]}while(--v);B=r-y,w=x}}else if(h<v){if(B+=l+h-v,v-=h,v<b){b-=v;do{x[r++]=c[B++]}while(--v);if(B=0,h<b){v=h,b-=v;do{x[r++]=c[B++]}while(--v);B=r-y,w=x}}}else if(B+=h-v,v<b){b-=v;do{x[r++]=c[B++]}while(--v);B=r-y,w=x}for(;b>2;)x[r++]=w[B++],x[r++]=w[B++],x[r++]=w[B++],b-=3;b&&(x[r++]=w[B++],b>1&&(x[r++]=w[B++]))}else{B=r-y;do{x[r++]=x[B++],x[r++]=x[B++],x[r++]=x[B++],b-=3}while(b>2);b&&(x[r++]=x[B++],b>1&&(x[r++]=x[B++]))}break}}break}}while(i<s&&r<n);b=d>>3,i-=b,d-=b<<3,u&=(1<<d)-1,e.next_in=i,e.next_out=r,e.avail_in=i<s?s-i+5:5-(i-s),e.avail_out=r<n?n-r+257:257-(r-n),C.hold=u,C.bits=d};const ht=new Uint16Array([3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0]),ct=new Uint8Array([16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78]),ut=new Uint16Array([1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0]),dt=new Uint8Array([16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64]);var pt=(e,t,i,s,r,o,n,a)=>{const l=a.bits;let A,h,c,u,d,p,f=0,g=0,m=0,_=0,v=0,b=0,y=0,B=0,w=0,P=0,x=null;const C=new Uint16Array(16),M=new Uint16Array(16);let E,F,I,D=null;for(f=0;f<=15;f++)C[f]=0;for(g=0;g<s;g++)C[t[i+g]]++;for(v=l,_=15;_>=1&&0===C[_];_--);if(v>_&&(v=_),0===_)return r[o++]=20971520,r[o++]=20971520,a.bits=1,0;for(m=1;m<_&&0===C[m];m++);for(v<m&&(v=m),B=1,f=1;f<=15;f++)if(B<<=1,B-=C[f],B<0)return-1;if(B>0&&(0===e||1!==_))return-1;for(M[1]=0,f=1;f<15;f++)M[f+1]=M[f]+C[f];for(g=0;g<s;g++)0!==t[i+g]&&(n[M[t[i+g]]++]=g);if(0===e?(x=D=n,p=20):1===e?(x=ht,D=ct,p=257):(x=ut,D=dt,p=0),P=0,g=0,f=m,d=o,b=v,y=0,c=-1,w=1<<v,u=w-1,1===e&&w>852||2===e&&w>592)return 1;for(;;){E=f-y,n[g]+1<p?(F=0,I=n[g]):n[g]>=p?(F=D[n[g]-p],I=x[n[g]-p]):(F=96,I=0),A=1<<f-y,h=1<<b,m=h;do{h-=A,r[d+(P>>y)+h]=E<<24|F<<16|I|0}while(0!==h);for(A=1<<f-1;P&A;)A>>=1;if(0!==A?(P&=A-1,P+=A):P=0,g++,0==--C[f]){if(f===_)break;f=t[i+n[g]]}if(f>v&&(P&u)!==c){for(0===y&&(y=v),d+=m,b=f-y,B=1<<b;b+y<_&&(B-=C[b+y],!(B<=0));)b++,B<<=1;if(w+=1<<b,1===e&&w>852||2===e&&w>592)return 1;c=P&u,r[c]=v<<24|b<<16|d-o|0}}return 0!==P&&(r[d+P]=f-y<<24|64<<16|0),a.bits=v,0};const{Z_FINISH:ft,Z_BLOCK:gt,Z_TREES:mt,Z_OK:_t,Z_STREAM_END:vt,Z_NEED_DICT:bt,Z_STREAM_ERROR:yt,Z_DATA_ERROR:Bt,Z_MEM_ERROR:wt,Z_BUF_ERROR:Pt,Z_DEFLATED:xt}=k,Ct=16180,Mt=16190,Et=16191,Ft=16192,It=16194,Dt=16199,St=16200,Tt=16206,Rt=16209,Lt=e=>(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24);function Ut(){this.strm=null,this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new Uint16Array(320),this.work=new Uint16Array(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}const Ot=e=>{if(!e)return 1;const t=e.state;return!t||t.strm!==e||t.mode<Ct||t.mode>16211?1:0},kt=e=>{if(Ot(e))return yt;const t=e.state;return e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=Ct,t.last=0,t.havedict=0,t.flags=-1,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(852),t.distcode=t.distdyn=new Int32Array(592),t.sane=1,t.back=-1,_t},Nt=e=>{if(Ot(e))return yt;const t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,kt(e)},Qt=(e,t)=>{let i;if(Ot(e))return yt;const s=e.state;return t<0?(i=0,t=-t):(i=5+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?yt:(null!==s.window&&s.wbits!==t&&(s.window=null),s.wrap=i,s.wbits=t,Nt(e))},Vt=(e,t)=>{if(!e)return yt;const i=new Ut;e.state=i,i.strm=e,i.window=null,i.mode=Ct;const s=Qt(e,t);return s!==_t&&(e.state=null),s};let Ht,jt,Gt=!0;const zt=e=>{if(Gt){Ht=new Int32Array(512),jt=new Int32Array(32);let t=0;for(;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(pt(1,e.lens,0,288,Ht,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;pt(2,e.lens,0,32,jt,0,e.work,{bits:5}),Gt=!1}e.lencode=Ht,e.lenbits=9,e.distcode=jt,e.distbits=5},Kt=(e,t,i,s)=>{let r;const o=e.state;return null===o.window&&(o.wsize=1<<o.wbits,o.wnext=0,o.whave=0,o.window=new Uint8Array(o.wsize)),s>=o.wsize?(o.window.set(t.subarray(i-o.wsize,i),0),o.wnext=0,o.whave=o.wsize):(r=o.wsize-o.wnext,r>s&&(r=s),o.window.set(t.subarray(i-s,i-s+r),o.wnext),(s-=r)?(o.window.set(t.subarray(i-s,i),0),o.wnext=s,o.whave=o.wsize):(o.wnext+=r,o.wnext===o.wsize&&(o.wnext=0),o.whave<o.wsize&&(o.whave+=r))),0};var Wt=Nt,Xt=Vt,Jt=(e,t)=>{let i,s,r,o,n,a,l,A,h,c,u,d,p,f,g,m,_,v,b,y,B,w,P=0;const x=new Uint8Array(4);let C,M;const E=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(Ot(e)||!e.output||!e.input&&0!==e.avail_in)return yt;i=e.state,i.mode===Et&&(i.mode=Ft),n=e.next_out,r=e.output,l=e.avail_out,o=e.next_in,s=e.input,a=e.avail_in,A=i.hold,h=i.bits,c=a,u=l,w=_t;e:for(;;)switch(i.mode){case Ct:if(0===i.wrap){i.mode=Ft;break}for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(2&i.wrap&&35615===A){0===i.wbits&&(i.wbits=15),i.check=0,x[0]=255&A,x[1]=A>>>8&255,i.check=U(i.check,x,2,0),A=0,h=0,i.mode=16181;break}if(i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&A)<<8)+(A>>8))%31){e.msg="incorrect header check",i.mode=Rt;break}if((15&A)!==xt){e.msg="unknown compression method",i.mode=Rt;break}if(A>>>=4,h-=4,B=8+(15&A),0===i.wbits&&(i.wbits=B),B>15||B>i.wbits){e.msg="invalid window size",i.mode=Rt;break}i.dmax=1<<i.wbits,i.flags=0,e.adler=i.check=1,i.mode=512&A?16189:Et,A=0,h=0;break;case 16181:for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(i.flags=A,(255&i.flags)!==xt){e.msg="unknown compression method",i.mode=Rt;break}if(57344&i.flags){e.msg="unknown header flags set",i.mode=Rt;break}i.head&&(i.head.text=A>>8&1),512&i.flags&&4&i.wrap&&(x[0]=255&A,x[1]=A>>>8&255,i.check=U(i.check,x,2,0)),A=0,h=0,i.mode=16182;case 16182:for(;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.head&&(i.head.time=A),512&i.flags&&4&i.wrap&&(x[0]=255&A,x[1]=A>>>8&255,x[2]=A>>>16&255,x[3]=A>>>24&255,i.check=U(i.check,x,4,0)),A=0,h=0,i.mode=16183;case 16183:for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.head&&(i.head.xflags=255&A,i.head.os=A>>8),512&i.flags&&4&i.wrap&&(x[0]=255&A,x[1]=A>>>8&255,i.check=U(i.check,x,2,0)),A=0,h=0,i.mode=16184;case 16184:if(1024&i.flags){for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.length=A,i.head&&(i.head.extra_len=A),512&i.flags&&4&i.wrap&&(x[0]=255&A,x[1]=A>>>8&255,i.check=U(i.check,x,2,0)),A=0,h=0}else i.head&&(i.head.extra=null);i.mode=16185;case 16185:if(1024&i.flags&&(d=i.length,d>a&&(d=a),d&&(i.head&&(B=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Uint8Array(i.head.extra_len)),i.head.extra.set(s.subarray(o,o+d),B)),512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,i.length-=d),i.length))break e;i.length=0,i.mode=16186;case 16186:if(2048&i.flags){if(0===a)break e;d=0;do{B=s[o+d++],i.head&&B&&i.length<65536&&(i.head.name+=String.fromCharCode(B))}while(B&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,B)break e}else i.head&&(i.head.name=null);i.length=0,i.mode=16187;case 16187:if(4096&i.flags){if(0===a)break e;d=0;do{B=s[o+d++],i.head&&B&&i.length<65536&&(i.head.comment+=String.fromCharCode(B))}while(B&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=U(i.check,s,d,o)),a-=d,o+=d,B)break e}else i.head&&(i.head.comment=null);i.mode=16188;case 16188:if(512&i.flags){for(;h<16;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(4&i.wrap&&A!==(65535&i.check)){e.msg="header crc mismatch",i.mode=Rt;break}A=0,h=0}i.head&&(i.head.hcrc=i.flags>>9&1,i.head.done=!0),e.adler=i.check=0,i.mode=Et;break;case 16189:for(;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}e.adler=i.check=Lt(A),A=0,h=0,i.mode=Mt;case Mt:if(0===i.havedict)return e.next_out=n,e.avail_out=l,e.next_in=o,e.avail_in=a,i.hold=A,i.bits=h,bt;e.adler=i.check=1,i.mode=Et;case Et:if(t===gt||t===mt)break e;case Ft:if(i.last){A>>>=7&h,h-=7&h,i.mode=Tt;break}for(;h<3;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}switch(i.last=1&A,A>>>=1,h-=1,3&A){case 0:i.mode=16193;break;case 1:if(zt(i),i.mode=Dt,t===mt){A>>>=2,h-=2;break e}break;case 2:i.mode=16196;break;case 3:e.msg="invalid block type",i.mode=Rt}A>>>=2,h-=2;break;case 16193:for(A>>>=7&h,h-=7&h;h<32;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if((65535&A)!=(A>>>16^65535)){e.msg="invalid stored block lengths",i.mode=Rt;break}if(i.length=65535&A,A=0,h=0,i.mode=It,t===mt)break e;case It:i.mode=16195;case 16195:if(d=i.length,d){if(d>a&&(d=a),d>l&&(d=l),0===d)break e;r.set(s.subarray(o,o+d),n),a-=d,o+=d,l-=d,n+=d,i.length-=d;break}i.mode=Et;break;case 16196:for(;h<14;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(i.nlen=257+(31&A),A>>>=5,h-=5,i.ndist=1+(31&A),A>>>=5,h-=5,i.ncode=4+(15&A),A>>>=4,h-=4,i.nlen>286||i.ndist>30){e.msg="too many length or distance symbols",i.mode=Rt;break}i.have=0,i.mode=16197;case 16197:for(;i.have<i.ncode;){for(;h<3;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}i.lens[E[i.have++]]=7&A,A>>>=3,h-=3}for(;i.have<19;)i.lens[E[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,C={bits:i.lenbits},w=pt(0,i.lens,0,19,i.lencode,0,i.work,C),i.lenbits=C.bits,w){e.msg="invalid code lengths set",i.mode=Rt;break}i.have=0,i.mode=16198;case 16198:for(;i.have<i.nlen+i.ndist;){for(;P=i.lencode[A&(1<<i.lenbits)-1],g=P>>>24,m=P>>>16&255,_=65535&P,!(g<=h);){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(_<16)A>>>=g,h-=g,i.lens[i.have++]=_;else{if(16===_){for(M=g+2;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}if(A>>>=g,h-=g,0===i.have){e.msg="invalid bit length repeat",i.mode=Rt;break}B=i.lens[i.have-1],d=3+(3&A),A>>>=2,h-=2}else if(17===_){for(M=g+3;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=g,h-=g,B=0,d=3+(7&A),A>>>=3,h-=3}else{for(M=g+7;h<M;){if(0===a)break e;a--,A+=s[o++]<<h,h+=8}A>>>=g,h-=g,B=0,d=11+(127&A),A>>>=7,h-=7}if(i.have+d>i.nlen+i.ndist){e.msg="invalid bit length repeat",i.mode=Rt;break}for(;d--;)i.lens[i.have++]=B}}if(i.mode===Rt)break;if(0===i.lens[256]){e.msg="invalid code -- missing end-of-block",i.mode=Rt;break}if(i.lenbits=9,C={bits:i.lenbits},w=pt(1,i.lens,0,i.nlen,i.lencode,0,i.work,C),i.lenbits=C.bits,w){e.msg="invalid literal/lengths set",i.mode=Rt;break}if(i.distbits=6,i.distcode=i.distdyn,C={bits:i.distbits},w=pt(2,i.lens,i.nlen,i.ndist,i.distcode,0,i.work,C),i.distbits=C.bits,w){e.msg="invalid distances set",i.mode=Rt;break}if(i.mode=Dt,t===mt)break e;case Dt:i.mode=St;case St:if(a>=6&&l>=258){e.next_out=n,e.avail_out=l,e.next_in=o,e.avail_in=a,i.hold=A,i.bits=h,At(e,u),n=e.next_out,r=e.output,l=e.avail_out,o=e.next_in,s=e.input,a=e.avail_in,A=i.hold,h=i.bits,i.mode===Et&&(i.back=-1);break}for(i.back=0;P=i.lencode[A&(1<<i.lenbits)-1],g=P>>>24,m=P>>>16&255,_=65535&P,!(g<=h);){if(0===a)break 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n=function(e){return{positions:e[0],normals:e[1],indices:e[2],edgeIndices:e[3],meshPositions:e[4],meshIndices:e[5],meshEdgesIndices:e[6],meshColors:e[7],entityIDs:e[8],entityMeshes:e[9],entityIsObjects:e[10],instancedPositionsDecodeMatrix:e[11],batchedPositionsDecodeMatrix:e[12],entityMeshIds:e[13],entityMatrices:e[14],entityUsesInstancing:e[15]}}(i),a=function(e){return{positions:new Uint16Array(mM.inflate(e.positions).buffer),normals:new Int8Array(mM.inflate(e.normals).buffer),indices:new Uint32Array(mM.inflate(e.indices).buffer),edgeIndices:new Uint32Array(mM.inflate(e.edgeIndices).buffer),meshPositions:new Uint32Array(mM.inflate(e.meshPositions).buffer),meshIndices:new Uint32Array(mM.inflate(e.meshIndices).buffer),meshEdgesIndices:new Uint32Array(mM.inflate(e.meshEdgesIndices).buffer),meshColors:new Uint8Array(mM.inflate(e.meshColors).buffer),entityIDs:mM.inflate(e.entityIDs,{to:"string"}),entityMeshes:new Uint32Array(mM.inflate(e.entityMeshes).buffer),entityIsObjects:new 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0:e="solid",i=a.subarray(g[t],d?a.length:g[t+1]),r=l.subarray(m[t],d?l.length:m[t+1]),n=h.subarray(v[t],d?h.length:v[t+1]),u=c.subarray(b[t],d?c.length:b[t+1]);break;case 1:e="surface",i=a.subarray(g[t],d?a.length:g[t+1]),r=l.subarray(m[t],d?l.length:m[t+1]),n=h.subarray(v[t],d?h.length:v[t+1]),u=c.subarray(b[t],d?c.length:b[t+1]);break;case 2:e="points",i=a.subarray(g[t],d?a.length:g[t+1]),o=DM(A.subarray(_[t],d?A.length:_[t+1]));break;case 3:e="lines",i=a.subarray(g[t],d?a.length:g[t+1]),n=h.subarray(v[t],d?h.length:v[t+1]);break;default:continue}s.createMesh(y.apply(V,{id:I,origin:R,primitive:e,positionsCompressed:i,normalsCompressed:r,colors:o,indices:n,edgeIndices:u,positionsDecodeMatrix:N,color:x,metallic:M,roughness:E,opacity:C})),U.push(I)}}U.length>0&&s.createEntity(y.apply(k,{id:E,isObject:!0,meshIds:U}))}}}(e,t,a,s,0,o)}};let TM=window.pako||hM;TM.inflate||(TM=TM.default);const RM=d.vec4(),LM=d.vec4();const UM=function(){const e=new Float32Array(3);return function(t){return e[0]=t[0]/255,e[1]=t[1]/255,e[2]=t[2]/255,e}}();function OM(e){const t=[];for(let i=0,s=e.length;i<s;i+=3)t.push(e[i]),t.push(e[i+1]),t.push(e[i+2]),t.push(1);return t}const kM={version:8,parse:function(e,t,i,s,r,o){const n=function(e){return{types:e[0],eachMetaObjectId:e[1],eachMetaObjectType:e[2],eachMetaObjectName:e[3],eachMetaObjectParent:e[4],positions:e[5],normals:e[6],colors:e[7],indices:e[8],edgeIndices:e[9],matrices:e[10],reusedGeometriesDecodeMatrix:e[11],eachGeometryPrimitiveType:e[12],eachGeometryPositionsPortion:e[13],eachGeometryNormalsPortion:e[14],eachGeometryColorsPortion:e[15],eachGeometryIndicesPortion:e[16],eachGeometryEdgeIndicesPortion:e[17],eachMeshGeometriesPortion:e[18],eachMeshMatricesPortion:e[19],eachMeshMaterial:e[20],eachEntityMetaObject:e[21],eachEntityMeshesPortion:e[22],eachTileAABB:e[23],eachTileEntitiesPortion:e[24]}}(i),a=function(e){function t(e,t){return 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Uint32Array(L);for(let e=0;e<U;e++){const t=M[e];void 0!==N[t]?N[t]++:N[t]=1}const Q=d.vec3(),V=d.AABB3(),H={};for(let i=0;i<k;i++){const r=i===k-1,a=T[i],A=r?O:T[i+1],h=6*i,c=S.subarray(h,h+6);d.getAABB3Center(c,Q),V[0]=c[0]-Q[0],V[1]=c[1]-Q[1],V[2]=c[2]-Q[2],V[3]=c[3]-Q[0],V[4]=c[4]-Q[1],V[5]=c[5]-Q[2];const R=mi.createPositionsDecodeMatrix(V),U={};for(let r=a;r<A;r++){const a=l[I[r]],A=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,h=r===O-1,c=D[r],S=h?M.length:D[r+1],T=[],k=e.metaScene.metaObjects[A],j={},G={};if(k){if(t.excludeTypesMap&&k.type&&t.excludeTypesMap[k.type])continue;if(t.includeTypesMap&&k.type&&!t.includeTypesMap[k.type])continue;const e=t.objectDefaults?t.objectDefaults[k.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(j.visible=!1),!1===e.pickable&&(j.pickable=!1),e.colorize&&(G.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(G.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(G.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(G.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=c;e<S;e++){const r=M[e],a=N[r]>1,l=r===L-1,A=UM(F.subarray(6*e,6*e+3)),h=F[6*e+3]/255,c=F[6*e+4]/255,I=F[6*e+5]/255,D=o.getNextId();if(a){const o=E[e],a=_.slice(o,o+16),M=`${n}-geometry.${i}.${r}`;let F=H[M];if(!F){F={batchThisMesh:!t.reuseGeometries};let e=!1;switch(b[r]){case 0:F.primitiveName="solid",F.geometryPositions=u.subarray(B[r],l?u.length:B[r+1]),F.geometryNormals=p.subarray(w[r],l?p.length:w[r+1]),F.geometryIndices=g.subarray(x[r],l?g.length:x[r+1]),F.geometryEdgeIndices=m.subarray(C[r],l?m.length:C[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 1:F.primitiveName="surface",F.geometryPositions=u.subarray(B[r],l?u.length:B[r+1]),F.geometryNormals=p.subarray(w[r],l?p.length:w[r+1]),F.geometryIndices=g.subarray(x[r],l?g.length:x[r+1]),F.geometryEdgeIndices=m.subarray(C[r],l?m.length:C[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 2:F.primitiveName="points",F.geometryPositions=u.subarray(B[r],l?u.length:B[r+1]),F.geometryColors=OM(f.subarray(P[r],l?f.length:P[r+1])),e=F.geometryPositions.length>0;break;case 3:F.primitiveName="lines",F.geometryPositions=u.subarray(B[r],l?u.length:B[r+1]),F.geometryIndices=g.subarray(x[r],l?g.length:x[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;default:continue}if(e||(F=null),F&&(F.geometryPositions.length,F.batchThisMesh)){F.decompressedPositions=new Float32Array(F.geometryPositions.length);const e=F.geometryPositions,t=F.decompressedPositions;for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]*v[0]+v[12],t[i+1]=e[i+1]*v[5]+v[13],t[i+2]=e[i+2]*v[10]+v[14];F.geometryPositions=null,H[M]=F}}if(F)if(F.batchThisMesh){const e=F.decompressedPositions,t=new Uint16Array(e.length);for(let i=0,s=e.length;i<s;i+=3)RM[0]=e[i+0],RM[1]=e[i+1],RM[2]=e[i+2],RM[3]=1,d.transformVec4(a,RM,LM),mi.compressPosition(LM,V,RM),t[i+0]=RM[0],t[i+1]=RM[1],t[i+2]=RM[2];s.createMesh(y.apply(G,{id:D,origin:Q,primitive:F.primitiveName,positionsCompressed:t,normalsCompressed:F.geometryNormals,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:R,color:A,metallic:c,roughness:I,opacity:h})),T.push(D)}else U[M]||(s.createGeometry({id:M,primitive:F.primitiveName,positionsCompressed:F.geometryPositions,normalsCompressed:F.geometryNormals,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:v}),U[M]=!0),s.createMesh(y.apply(G,{id:D,geometryId:M,origin:Q,matrix:a,color:A,metallic:c,roughness:I,opacity:h})),T.push(D)}else{let e,t,i,o,n,a,d=!1;switch(b[r]){case 0:e="solid",t=u.subarray(B[r],l?u.length:B[r+1]),i=p.subarray(w[r],l?p.length:w[r+1]),n=g.subarray(x[r],l?g.length:x[r+1]),a=m.subarray(C[r],l?m.length:C[r+1]),d=t.length>0&&n.length>0;break;case 1:e="surface",t=u.subarray(B[r],l?u.length:B[r+1]),i=p.subarray(w[r],l?p.length:w[r+1]),n=g.subarray(x[r],l?g.length:x[r+1]),a=m.subarray(C[r],l?m.length:C[r+1]),d=t.length>0&&n.length>0;break;case 2:e="points",t=u.subarray(B[r],l?u.length:B[r+1]),o=OM(f.subarray(P[r],l?f.length:P[r+1])),d=t.length>0;break;case 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n=function(e){return{metadata:e[0],positions:e[1],normals:e[2],colors:e[3],indices:e[4],edgeIndices:e[5],matrices:e[6],reusedGeometriesDecodeMatrix:e[7],eachGeometryPrimitiveType:e[8],eachGeometryPositionsPortion:e[9],eachGeometryNormalsPortion:e[10],eachGeometryColorsPortion:e[11],eachGeometryIndicesPortion:e[12],eachGeometryEdgeIndicesPortion:e[13],eachMeshGeometriesPortion:e[14],eachMeshMatricesPortion:e[15],eachMeshMaterial:e[16],eachEntityId:e[17],eachEntityMeshesPortion:e[18],eachTileAABB:e[19],eachTileEntitiesPortion:e[20]}}(i),a=function(e){function t(e,t){return 0===e.length?[]:NM.inflate(e,t).buffer}return{metadata:JSON.parse(NM.inflate(e.metadata,{to:"string"})),positions:new Uint16Array(t(e.positions)),normals:new Int8Array(t(e.normals)),colors:new Uint8Array(t(e.colors)),indices:new Uint32Array(t(e.indices)),edgeIndices:new Uint32Array(t(e.edgeIndices)),matrices:new Float32Array(t(e.matrices)),reusedGeometriesDecodeMatrix:new Float32Array(t(e.reusedGeometriesDecodeMatrix)),eachGeometryPrimitiveType:new Uint8Array(t(e.eachGeometryPrimitiveType)),eachGeometryPositionsPortion:new Uint32Array(t(e.eachGeometryPositionsPortion)),eachGeometryNormalsPortion:new Uint32Array(t(e.eachGeometryNormalsPortion)),eachGeometryColorsPortion:new Uint32Array(t(e.eachGeometryColorsPortion)),eachGeometryIndicesPortion:new Uint32Array(t(e.eachGeometryIndicesPortion)),eachGeometryEdgeIndicesPortion:new Uint32Array(t(e.eachGeometryEdgeIndicesPortion)),eachMeshGeometriesPortion:new Uint32Array(t(e.eachMeshGeometriesPortion)),eachMeshMatricesPortion:new Uint32Array(t(e.eachMeshMatricesPortion)),eachMeshMaterial:new Uint8Array(t(e.eachMeshMaterial)),eachEntityId:JSON.parse(NM.inflate(e.eachEntityId,{to:"string"})),eachEntityMeshesPortion:new Uint32Array(t(e.eachEntityMeshesPortion)),eachTileAABB:new Float64Array(t(e.eachTileAABB)),eachTileEntitiesPortion:new Uint32Array(t(e.eachTileEntitiesPortion))}}(n);!function(e,t,i,s,r,o){const 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Q=mi.createPositionsDecodeMatrix(U),V={};for(let r=a;r<=D;r++){const a=C[r],E=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,F=r===S-1,D=M[r],T=F?w.length-1:M[r+1]-1,k=[],N=e.metaScene.metaObjects[E],H={},j={};if(N){if(t.excludeTypesMap&&N.type&&t.excludeTypesMap[N.type])continue;if(t.includeTypesMap&&N.type&&!t.includeTypesMap[N.type])continue;const e=t.objectDefaults?t.objectDefaults[N.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(H.visible=!1),!1===e.pickable&&(H.pickable=!1),e.colorize&&(j.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(j.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(j.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(j.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=D;e<=T;e++){const r=w[e],a=R[r]>1,C=r===I-1,M=HM(x.subarray(6*e,6*e+3)),E=x[6*e+3]/255,F=x[6*e+4]/255,D=x[6*e+5]/255,S=o.getNextId();if(a){const o=P[e],a=p.slice(o,o+16),w=`${n}-geometry.${i}.${r}`;let x=O[w];if(!x){x={batchThisMesh:!t.reuseGeometries};let e=!1;switch(g[r]){case 0:x.primitiveName="solid",x.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),x.geometryNormals=A.subarray(_[r],C?A.length:_[r+1]),x.geometryIndices=c.subarray(b[r],C?c.length:b[r+1]),x.geometryEdgeIndices=u.subarray(B[r],C?u.length:B[r+1]),e=x.geometryPositions.length>0&&x.geometryIndices.length>0;break;case 1:x.primitiveName="surface",x.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),x.geometryNormals=A.subarray(_[r],C?A.length:_[r+1]),x.geometryIndices=c.subarray(b[r],C?c.length:b[r+1]),x.geometryEdgeIndices=u.subarray(B[r],C?u.length:B[r+1]),e=x.geometryPositions.length>0&&x.geometryIndices.length>0;break;case 2:x.primitiveName="points",x.geometryPositions=l.subarray(m[r],C?l.length:m[r+1]),x.geometryColors=h.subarray(v[r],C?h.length:v[r+1]),e=x.geometryPositions.length>0;break;case 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d=h[a+4],p=h[a+5],f=h[a+6],g=h[a+7],m=h[a+8];if(o){const t=new Uint8Array(l.subarray(i,r)).buffer,o=`${n}-texture-${e}`;if(c)s.createTexture({id:o,buffers:[t],minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m});else{const e=new Blob([t],{type:10001===u?"image/jpeg":10002===u?"image/png":"image/gif"}),i=(window.URL||window.webkitURL).createObjectURL(e),r=document.createElement("img");r.src=i,s.createTexture({id:o,image:r,minFilter:d,magFilter:p,wrapS:f,wrapT:g,wrapR:m})}}}for(let e=0;e<k;e++){const t=5*e,i=`${n}-textureSet-${e}`,r=_[t+0],o=_[t+1],a=_[t+2],l=_[t+3],A=_[t+4];s.createTextureSet({id:i,colorTextureId:r>=0?`${n}-texture-${r}`:null,normalsTextureId:a>=0?`${n}-texture-${a}`:null,metallicRoughnessTextureId:o>=0?`${n}-texture-${o}`:null,emissiveTextureId:l>=0?`${n}-texture-${l}`:null,occlusionTextureId:A>=0?`${n}-texture-${A}`:null})}const j=new Uint32Array(N);for(let e=0;e<Q;e++){const t=F[e];void 0!==j[t]?j[t]++:j[t]=1}const G=d.vec3(),z=d.AABB3(),K={};for(let i=0;i<H;i++){const r=i===H-1,a=U[i],l=r?V-1:U[i+1]-1,A=6*i,h=L.subarray(A,A+6);d.getAABB3Center(h,G),z[0]=h[0]-G[0],z[1]=h[1]-G[1],z[2]=h[2]-G[2],z[3]=h[3]-G[0],z[4]=h[4]-G[1],z[5]=h[5]-G[2];const _=mi.createPositionsDecodeMatrix(z),O={};for(let r=a;r<=l;r++){const a=T[r],l=t.globalizeObjectIds?d.globalizeObjectId(s.id,a):a,A=r===V-1,h=R[r],L=A?F.length-1:R[r+1]-1,U=[],k=e.metaScene.metaObjects[l],Q={},H={};if(k){if(t.excludeTypesMap&&k.type&&t.excludeTypesMap[k.type])continue;if(t.includeTypesMap&&k.type&&!t.includeTypesMap[k.type])continue;const e=t.objectDefaults?t.objectDefaults[k.type]||t.objectDefaults.DEFAULT:null;e&&(!1===e.visible&&(Q.visible=!1),!1===e.pickable&&(Q.pickable=!1),e.colorize&&(H.color=e.colorize),void 0!==e.opacity&&null!==e.opacity&&(H.opacity=e.opacity),void 0!==e.metallic&&null!==e.metallic&&(H.metallic=e.metallic),void 0!==e.roughness&&null!==e.roughness&&(H.roughness=e.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(let e=h;e<=L;e++){const r=F[e],a=j[r]>1,l=r===N-1,A=D[e],h=A>=0?`${n}-textureSet-${A}`:null,T=qM(S.subarray(6*e,6*e+3)),R=S[6*e+3]/255,L=S[6*e+4]/255,k=S[6*e+5]/255,Q=o.getNextId();if(a){const o=I[e],a=v.slice(o,o+16),A=`${n}-geometry.${i}.${r}`;let F=K[A];if(!F){F={batchThisMesh:!t.reuseGeometries};let e=!1;switch(B[r]){case 0:F.primitiveName="solid",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryNormals=u.subarray(P[r],l?u.length:P[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 1:F.primitiveName="surface",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryNormals=u.subarray(P[r],l?u.length:P[r+1]),F.geometryUVs=f.subarray(C[r],l?f.length:C[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),F.geometryEdgeIndices=m.subarray(E[r],l?m.length:E[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 2:F.primitiveName="points",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryColors=p.subarray(x[r],l?p.length:x[r+1]),e=F.geometryPositions.length>0;break;case 3:F.primitiveName="lines",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryIndices=g.subarray(M[r],l?g.length:M[r+1]),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;case 4:F.primitiveName="lines",F.geometryPositions=c.subarray(w[r],l?c.length:w[r+1]),F.geometryIndices=$M(F.geometryPositions,g.subarray(M[r],l?g.length:M[r+1])),e=F.geometryPositions.length>0&&F.geometryIndices.length>0;break;default:continue}if(e||(F=null),F&&(F.geometryPositions.length,F.batchThisMesh)){F.decompressedPositions=new Float32Array(F.geometryPositions.length),F.transformedAndRecompressedPositions=new Uint16Array(F.geometryPositions.length);const e=F.geometryPositions,t=F.decompressedPositions;for(let i=0,s=e.length;i<s;i+=3)t[i+0]=e[i+0]*b[0]+b[12],t[i+1]=e[i+1]*b[5]+b[13],t[i+2]=e[i+2]*b[10]+b[14];F.geometryPositions=null,K[A]=F}}if(F)if(F.batchThisMesh){const e=F.decompressedPositions,t=F.transformedAndRecompressedPositions;for(let i=0,s=e.length;i<s;i+=3)YM[0]=e[i+0],YM[1]=e[i+1],YM[2]=e[i+2],YM[3]=1,d.transformVec4(a,YM,ZM),mi.compressPosition(ZM,z,YM),t[i+0]=YM[0],t[i+1]=YM[1],t[i+2]=YM[2];s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:F.primitiveName,positionsCompressed:t,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q)}else O[A]||(s.createGeometry({id:A,primitive:F.primitiveName,positionsCompressed:F.geometryPositions,normalsCompressed:F.geometryNormals,uv:F.geometryUVs,colorsCompressed:F.geometryColors,indices:F.geometryIndices,edgeIndices:F.geometryEdgeIndices,positionsDecodeMatrix:b}),O[A]=!0),s.createMesh(y.apply(H,{id:Q,geometryId:A,textureSetId:h,matrix:a,color:T,metallic:L,roughness:k,opacity:R,origin:G})),U.push(Q)}else{let e,t,i,o,n,a,A,d=!1;switch(B[r]){case 0:e="solid",t=c.subarray(w[r],l?c.length:w[r+1]),i=u.subarray(P[r],l?u.length:P[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 1:e="surface",t=c.subarray(w[r],l?c.length:w[r+1]),i=u.subarray(P[r],l?u.length:P[r+1]),o=f.subarray(C[r],l?f.length:C[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),A=m.subarray(E[r],l?m.length:E[r+1]),d=t.length>0&&a.length>0;break;case 2:e="points",t=c.subarray(w[r],l?c.length:w[r+1]),n=p.subarray(x[r],l?p.length:x[r+1]),d=t.length>0;break;case 3:e="lines",t=c.subarray(w[r],l?c.length:w[r+1]),a=g.subarray(M[r],l?g.length:M[r+1]),d=t.length>0&&a.length>0;break;case 4:e="lines",t=c.subarray(w[r],l?c.length:w[r+1]),a=$M(t,g.subarray(M[r],l?g.length:M[r+1])),d=t.length>0&&a.length>0;break;default:continue}d&&(s.createMesh(y.apply(H,{id:Q,textureSetId:h,origin:G,primitive:e,positionsCompressed:t,normalsCompressed:i,uv:o&&o.length>0?o:null,colorsCompressed:n,indices:a,edgeIndices:A,positionsDecodeMatrix:_,color:T,metallic:L,roughness:k,opacity:R})),U.push(Q))}}U.length>0&&s.createEntity(y.apply(Q,{id:l,isObject:!0,meshIds:U}))}}}(e,t,n,s,r,o)}},tE={};tE[dM.version]=dM,tE[gM.version]=gM,tE[vM.version]=vM,tE[BM.version]=BM,tE[xM.version]=xM,tE[EM.version]=EM,tE[SM.version]=SM,tE[kM.version]=kM,tE[jM.version]=jM,tE[JM.version]=JM,tE[eE.version]=eE;class iE extends z{constructor(e,t={}){super("XKTLoader",e,t),this._maxGeometryBatchSize=t.maxGeometryBatchSize,this.textureTranscoder=t.textureTranscoder,this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,this.reuseGeometries=t.reuseGeometries}get supportedVersions(){return Object.keys(tE)}get textureTranscoder(){return this._textureTranscoder}set textureTranscoder(e){this._textureTranscoder=e}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new AM}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||AC}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}get reuseGeometries(){return this._reuseGeometries}set reuseGeometries(e){this._reuseGeometries=!1!==e}load(e={}){if(e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id),!(e.src||e.xkt||e.manifestSrc||e.manifest))throw new Error("XKTLoaderPlugin: load() param expected: src, xkt, manifestSrc or manifestData");const t={},i=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t.reuseGeometries=null!==e.reuseGeometries&&void 0!==e.reuseGeometries?e.reuseGeometries:!1!==this._reuseGeometries,i){t.includeTypesMap={};for(let e=0,s=i.length;e<s;e++)t.includeTypesMap[i[e]]=!0}if(s){t.excludeTypesMap={};for(let e=0,i=s.length;e<i;e++)t.excludeTypesMap[s[e]]=!0}r&&(t.objectDefaults=r),t.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,t.globalizeObjectIds=void 0!==e.globalizeObjectIds&&null!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds;const o=new hu(this.viewer.scene,y.apply(e,{isModel:!0,textureTranscoder:this._textureTranscoder,maxGeometryBatchSize:this._maxGeometryBatchSize,origin:e.origin,disableVertexWelding:e.disableVertexWelding||!1,disableIndexRebucketing:e.disableIndexRebucketing||!1,dtxEnabled:e.dtxEnabled,renderOrder:e.renderOrder})),n=o.id,a=new np({metaScene:this.viewer.metaScene,id:n});this.viewer.scene.canvas.spinner.processes++;const l=()=>{o.destroyed||(o.finalize(),a.finalize(),this.viewer.scene.canvas.spinner.processes--,o.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(a.id)})),this.scheduleTask((()=>{o.destroyed||(o.scene.fire("modelLoaded",o.id),o.fire("loaded",!0,!1))})))},A=e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e),o.fire("error",e)};let h=0;const c={getNextId:()=>`${n}.${h++}`};if(e.metaModelSrc||e.metaModelData)if(e.metaModelSrc){const r=e.metaModelSrc;this._dataSource.getMetaModel(r,(r=>{o.destroyed||(a.loadData(r,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()))}),(e=>{A(`load(): Failed to load model metadata for model '${n} from  '${r}' - ${e}`)}))}else e.metaModelData&&(a.loadData(e.metaModelData,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),e.src?this._loadModel(e.src,t,o,null,c,l,A):(this._parseModel(e.xkt,t,o,null,c),l()));else if(e.src)this._loadModel(e.src,t,o,a,c,l,A);else if(e.xkt)this._parseModel(e.xkt,t,o,a,c),l();else if(e.manifestSrc||e.manifest){const r=e.manifestSrc?function(e){e.indexOf("?")>-1&&(e=e.split("?")[0]);const t=e.split("/");return t.pop(),t.join("/")+"/"}(e.manifestSrc):"",n=(e,n,l)=>{let A=0;const h=()=>{o.destroyed||A>=e.length?n():this._dataSource.getMetaModel(`${r}${e[A]}`,(e=>{a.loadData(e,{includeTypes:i,excludeTypes:s,globalizeObjectIds:t.globalizeObjectIds}),A++,this.scheduleTask(h,200)}),l)};h()},h=(e,i,s)=>{let n=0;const a=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,null,c),o.preFinalize(),n++,this.scheduleTask(a,200)}),s)};a()},u=(e,i,s)=>{let n=0;const l=()=>{o.destroyed||n>=e.length?i():this._dataSource.getXKT(`${r}${e[n]}`,(e=>{this._parseModel(e,t,o,a,c),o.preFinalize(),n++,this.scheduleTask(l,200)}),s)};l()};if(e.manifest){const t=e.manifest,i=t.xktFiles;if(!i||0===i.length)return void A("load(): Failed to load model manifest - manifest not valid");const s=t.metaModelFiles;s?n(s,(()=>{h(i,l,A)}),A):u(i,l,A)}else this._dataSource.getManifest(e.manifestSrc,(e=>{if(o.destroyed)return;const t=e.xktFiles;if(!t||0===t.length)return void A("load(): Failed to load model manifest - manifest not valid");const i=e.metaModelFiles;i?n(i,(()=>{h(t,l,A)}),A):u(t,l,A)}),A)}return o}_loadModel(e,t,i,s,r,o,n){this._dataSource.getXKT(e,(e=>{this._parseModel(e,t,i,s,r),i.preFinalize(),o()}),n)}async _parseModel(e,t,i,s,r){if(i.destroyed)return;const o=new DataView(e),n=new Uint8Array(e),a=o.getUint32(0,!0),l=tE[a];if(!l)return void this.error("Unsupported .XKT file version: "+a+" - this XKTLoaderPlugin supports versions "+Object.keys(tE));if(l.parseArrayBuffer)return void l.parseArrayBuffer(this.viewer,t,e,i,s,r);const A=o.getUint32(4,!0),h=[];let c=4*(A+2);for(let e=0;e<A;e++){const t=o.getUint32(4*(e+2),!0);h.push(n.subarray(c,c+t)),c+=t}l.parse(this.viewer,t,h,i,s,r)}}var sE={};!function(e){var t,i="File format is not recognized.",s="Error while reading zip file.",r="Error while reading file data.",o=524288,n="text/plain";try{t=0===new Blob([new DataView(new ArrayBuffer(0))]).size}catch(e){}function a(){this.crc=-1}function l(){}function A(e,t){var i,s;return i=new ArrayBuffer(e),s=new Uint8Array(i),t&&s.set(t,0),{buffer:i,array:s,view:new DataView(i)}}function h(){}function c(e){var t,i=this;i.size=0,i.init=function(s,r){var o=new Blob([e],{type:n});(t=new d(o)).init((function(){i.size=t.size,s()}),r)},i.readUint8Array=function(e,i,s,r){t.readUint8Array(e,i,s,r)}}function u(t){var i,s=this;s.size=0,s.init=function(e){for(var r=t.length;"="==t.charAt(r-1);)r--;i=t.indexOf(",")+1,s.size=Math.floor(.75*(r-i)),e()},s.readUint8Array=function(s,r,o){var n,a=A(r),l=4*Math.floor(s/3),h=4*Math.ceil((s+r)/3),c=e.atob(t.substring(l+i,h+i)),u=s-3*Math.floor(l/4);for(n=u;n<u+r;n++)a.array[n-u]=c.charCodeAt(n);o(a.array)}}function d(e){var t=this;t.size=0,t.init=function(i){t.size=e.size,i()},t.readUint8Array=function(t,i,s,r){var o=new FileReader;o.onload=function(e){s(new Uint8Array(e.target.result))},o.onerror=r;try{o.readAsArrayBuffer(function(e,t,i){if(t<0||i<0||t+i>e.size)throw new RangeError("offset:"+t+", length:"+i+", size:"+e.size);return e.slice?e.slice(t,t+i):e.webkitSlice?e.webkitSlice(t,t+i):e.mozSlice?e.mozSlice(t,t+i):e.msSlice?e.msSlice(t,t+i):void 0}(e,t,i))}catch(e){r(e)}}}function p(){}function f(e){var i,s=this;s.init=function(e){i=new Blob([],{type:n}),e()},s.writeUint8Array=function(e,s){i=new Blob([i,t?e:e.buffer],{type:n}),s()},s.getData=function(t,s){var r=new FileReader;r.onload=function(e){t(e.target.result)},r.onerror=s,r.readAsText(i,e)}}function g(t){var i=this,s="",r="";i.init=function(e){s+="data:"+(t||"")+";base64,",e()},i.writeUint8Array=function(t,i){var o,n=r.length,a=r;for(r="",o=0;o<3*Math.floor((n+t.length)/3)-n;o++)a+=String.fromCharCode(t[o]);for(;o<t.length;o++)r+=String.fromCharCode(t[o]);a.length>2?s+=e.btoa(a):r=a,i()},i.getData=function(t){t(s+e.btoa(r))}}function m(e){var i,s=this;s.init=function(t){i=new Blob([],{type:e}),t()},s.writeUint8Array=function(s,r){i=new Blob([i,t?s:s.buffer],{type:e}),r()},s.getData=function(e){e(i)}}function _(e,t,i,s,r,n,a,l,A,h){var c,u,d,p=0,f=t.sn;function g(){e.removeEventListener("message",m,!1),l(u,d)}function m(t){var i=t.data,r=i.data,o=i.error;if(o)return o.toString=function(){return"Error: "+this.message},void A(o);if(i.sn===f)switch("number"==typeof i.codecTime&&(e.codecTime+=i.codecTime),"number"==typeof 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i=t.children,s=0,r=i.length;s<r;s++){var o=i[s];if("Viewpoint"===o.type){var n=o.children;e.modelNode.viewpoint={};for(var a=0,l=n.length;a<l;a++){var A=n[s];switch(A.type){case"Position":e.modelNode.viewpoint.eye=g(A.children[0],3);break;case"Sight":e.modelNode.viewpoint.look=g(A.children[0],3);break;case"Up":e.modelNode.viewpoint.up=g(A.children[0],3)}}}}}function a(e,t,i){for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];if("XMLRepresentation"===n.type)l(e,n,i)}}function l(e,t,i){for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];if("Root"===n.type)A(e,n,i)}}function A(e,t,i){t["xsi:type"];for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];if("Rep"===n.type)h(e,n,i)}}function h(e,t,i){t["xsi:type"];for(var s={edgeThreshold:e.edgeThreshold||30,compressGeometry:!0},r=t.children,o=0,n=r.length;o<n;o++){var a=r[o];switch(a.type){case"Rep":h(e,a,i);break;case"Edges":break;case"Faces":s.primitive="triangles",c(e,a,s);break;case"VertexBuffer":f(e,a,s);break;case"SurfaceAttributes":m(e,a,s)}}if(s.positions){var l=new bi(e.modelNode,s);i[l.id]={geometry:l,color:s.color||[1,1,1,1],materialId:s.materialId}}}function c(e,t,i){for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];if("Face"===n.type)u(e,n,i)}}function u(e,t,i){var s=t.strips;if(s){var r=function(e){for(var t=e.split(","),i=[],s=0,r=t.length;s<r;s++){var o=t[s].trim();if(o.length>0){for(var n=o.trim().split(" "),a=new Int16Array(n.length),l=0,A=0,h=n.length;A<h;A++)""!==n[A]&&(a[l++]=parseInt(n[A]));i.push(a)}}return i}(s);if(r.length>0){i.primitive="triangles";for(var o=[],n=0,a=r.length;n<a;n++)for(var l=p(r[n]),A=0,h=l.length;A<h;A++)o.push(l[A]);i.indices=o}}else{var c=t.triangles;c&&(i.primitive="triangles",i.indices=function(e){e=e.trim().split(" ");for(var t=new Int32Array(e.length),i=0,s=e.length;i<s;i++){var r=e[i];t[i]=parseInt(r)}return t}(c))}var u=t.children;for(n=0,a=u.length;n<a;n++){var d=u[n];if("SurfaceAttributes"===d.type)m(e,d,i)}}function p(e){for(var t=[],i=0,s=e.length;i<s-2;i++)1&i?(t.push(e[i]),t.push(e[i+2]),t.push(e[i+1])):(t.push(e[i]),t.push(e[i+1]),t.push(e[i+2]));return t}function f(e,t,i){for(var s=t.children,r=0,o=s.length;r<o;r++){var n=s[r];switch(n.type){case"Positions":i.positions=g(n.children[0],3);break;case"Normals":i.normals=g(n.children[0],3);break;case"TextureCoordinates":i.uv=g(n.children[0],2)}}}function g(e,t){e=e.split(",");for(var i=new Float32Array(e.length*t),s=0,r=0,o=e.length;r<o;r++)for(var n=e[r],a=0,l=(n=n.split(" ")).length;a<l;a++)""!==n[a]&&(i[s++]=parseFloat(n[a]));return i}function m(e,t,i){i.color=[1,1,1,1];for(var s,r,o=t.children,n=0,a=o.length;n<a;n++){var l=o[n];switch(l.type){case"Color":i.color[0]=l.red,i.color[1]=l.green,i.color[2]=l.blue,i.color[3]=l.alpha;break;case"MaterialApplication":for(var A=l.children,h=0,c=A.length;h<c;h++){var u=A[h];if("MaterialId"===u.type){var d=(s=u.id,r=void 0,-1!==(r=s.lastIndexOf("#"))?s.substring(r+1):s);e.materials[d]||e.plugin.error("material  not found: "+d),i.materialId=d}}}}}}();function AE(e,t,i){var s={};!function r(o,n){if(o>=t.length)i();else{var a=t[o].id,l=a.lastIndexOf(":");l>0&&(a=a.substring(l+1));var A=a.lastIndexOf("#");A>0&&(a=a.substring(0,A)),s[a]?r(o+1):function(e,t,i){e.zip.getFile(t,(function(t,s){!function(e,t,i){for(var s,r=t.children,o=0,n=r.length;o<n;o++)"Model_3dxml"===(s=r[o]).type&&hE(e,s,i)}(e,s,i)}))}(e,a,(function(){s[a]=!0,r(o+1)}))}}(0)}function hE(e,t,i){for(var s,r=t.children,o=0,n=r.length;o<n;o++)"CATMaterialRef"===(s=r[o]).type&&cE(e,s,i)}function cE(e,t,i){for(var s={},r=t.children,o=0,n=0,a=r.length;n<a;n++){if("MaterialDomainInstance"===(d=r[n]).type){for(var l,A,h=0,c=d.children.length;h<c;h++){var u=d.children[h];switch(u.type){case"IsAggregatedBy":l=u.children[0];break;case"IsInstanceOf":A=u.children[0]}}s[A]=l}}for(n=0,a=r.length;n<a;n++){if("MaterialDomain"===(d=r[n]).type)o++}for(n=0,a=r.length;n<a;n++){var d;if("MaterialDomain"===(d=r[n]).type)d.associatedFile&&function(){var t=d.id,r=gE(d.associatedFile);e.zip.getFile(r,(function(r,n){e.materials[s[t]]=uE(e,n),0==--o&&i()}),(function(e){}))}()}}function uE(e,t){for(var i=t.children,s=0,r=i.length;s<r;s++){var o=i[s];if("Osm"===o.type)return dE(e,o)}}function dE(e,t){for(var i=t.children,s=0,r=i.length;s<r;s++){var o=i[s];switch(o.type){case"RenderingRootFeature":break;case"Feature":if("RenderingFeature"===o.Alias){var n,a,l,A,h={},c={},u=o.children;for(n=0,a=u.length;n<a;n++)switch((l=u[n]).Name){case"AmbientCoef":h.ambient=parseFloat(l.Value);break;case"DiffuseCoef":h.diffuse=parseFloat(l.Value);break;case"EmissiveCoef":h.emissive=parseFloat(l.Value);break;case"SpecularExponent":h.specular=parseFloat(l.Value)}for(n=0,a=u.length;n<a;n++)switch((l=u[n]).Name){case"AmbientColor":c.ambient=pE(l.Value,h.ambient);break;case"DiffuseColor":c.diffuse=pE(l.Value,h.diffuse);break;case"EmissiveColor":c.emissive=pE(l.Value,h.emissive);break;case"SpecularColor":c.specular=pE(l.Value,h.specular);break;case"Transparency":var d=1-parseFloat(l.Value);d<1&&(c.alpha=d,c.alphaMode="blend")}switch(e.materialType){case"MetallicMaterial":A=new co(e.modelNode,{baseColor:c.diffuse,metallic:.7,roughness:.5,emissive:c.emissive,alpha:c.alpha,alphaMode:c.alphaMode});break;case"SpecularMaterial":A=new fo(e.modelNode,{diffuse:c.diffuse,specular:c.specular,glossiness:.5,emissive:c.emissive,alpha:c.alpha,alphaMode:c.alphaMode});break;default:A=new xi(e.modelNode,{reflectivity:.5,ambient:c.ambient,diffuse:c.diffuse,specular:c.specular,emissive:c.emissive,alphaMode:c.alphaMode,alpha:t.alpha})}return A}}}}function pE(e,t){t=void 0!==t?t:.5;var i=e.indexOf("["),s=e.indexOf("]");e=(e=e.substring(i+1,s-i)).split(",");for(var r=new Float32Array(e.length),o=0,n=0,a=e.length;n<a;n++)for(var l=e[n],A=0,h=(l=l.trim().split(" ")).length;A<h;A++)""!==l[A]&&(r[o++]=parseFloat(l[A])*t);return r}var fE=function(){var e={};function t(e,i){if(e.nodeType===e.TEXT_NODE){var s=e.nodeValue;if(null===s.match(/^\s+$/))return s}else if(e.nodeType===e.ELEMENT_NODE||e.nodeType===e.DOCUMENT_NODE){var r={type:e.nodeName,children:[]};if(e.nodeType===e.ELEMENT_NODE)for(var o=0;o<e.attributes.length;o++){var n=e.attributes[o];r[i[n.nodeName]||n.nodeName]=n.nodeValue}for(var a=0;a<e.childNodes.length;a++){(o=t(e.childNodes[a],i))&&r.children.push(o)}return r}}this.load=function(t,i,s){rE.createReader(new rE.HttpReader(t),(function(t){t.getEntries((function(t){if(t.length>0)for(var s=0,r=t.length;s<r;s++){var o=t[s];e[o.filename]=o}i()}))}),s)},this.getFile=function(i,s,r){var o=e[i];if(!o){var n="ZIP entry not found: "+i;return console.error(n),void(r&&r(n))}o.getData(new rE.TextWriter,(function(e){var i=(new DOMParser).parseFromString(e,"text/xml"),r=t(i,{});s(i,r)}))},this.destroy=function(){undefined.close((function(){}))}};function gE(e){var t="urn:3DXML:";return 0===e.indexOf(t)?e.substring(t.length):e}class mE extends z{constructor(e,t={}){super("XML3DLoader",e,t),t.workerScriptsPath?(this._workerScriptsPath=t.workerScriptsPath,this._loader=new nE(this,t),this.supportedSchemas=this._loader.supportedSchemas):this.error("Config expected: workerScriptsPath")}load(e={}){e.workerScriptsPath=this._workerScriptsPath,e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new ao(this.viewer.scene,y.apply(e,{isModel:!0})),i=e.src;return i?(this._loader.load(this,t,i,e),t):(this.error("load() param expected: src"),t)}}class _E{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getIFC(e,t,i){e=this._cacheBusterURL(e);var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}class vE extends z{constructor(e,t={}){if(super("ifcLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults,this.includeTypes=t.includeTypes,this.excludeTypes=t.excludeTypes,this.excludeUnclassifiedObjects=t.excludeUnclassifiedObjects,!t.WebIFC)throw"Parameter expected: WebIFC";if(!t.IfcAPI)throw"Parameter expected: IfcAPI";this._webIFC=t.WebIFC,this._ifcAPI=t.IfcAPI}get supportedVersions(){return["2x3","4"]}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new _E}get objectDefaults(){return this._objectDefaults}set objectDefaults(e){this._objectDefaults=e||AC}get includeTypes(){return this._includeTypes}set includeTypes(e){this._includeTypes=e}get excludeTypes(){return this._excludeTypes}set excludeTypes(e){this._excludeTypes=e}get excludeUnclassifiedObjects(){return this._excludeUnclassifiedObjects}set excludeUnclassifiedObjects(e){this._excludeUnclassifiedObjects=!!e}get globalizeObjectIds(){return this._globalizeObjectIds}set globalizeObjectIds(e){this._globalizeObjectIds=!!e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new hu(this.viewer.scene,y.apply(e,{isModel:!0}));if(!e.src&&!e.ifc)return this.error("load() param expected: src or IFC"),t;const i={autoNormals:!0};if(!1!==e.loadMetadata){const t=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,r=e.objectDefaults||this._objectDefaults;if(t){i.includeTypesMap={};for(let e=0,s=t.length;e<s;e++)i.includeTypesMap[t[e]]=!0}if(s){i.excludeTypesMap={};for(let e=0,t=s.length;e<t;e++)i.excludeTypesMap[s[e]]=!0}r&&(i.objectDefaults=r),i.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds}try{e.src?this._loadModel(e.src,e,i,t):this._parseModel(e.ifc,e,i,t)}catch(e){this.error(e),t.fire("error",e)}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getIFC(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=t.stats||{};if(r.sourceFormat="IFC",r.schemaVersion="",r.title="",r.author="",r.created="",r.numMetaObjects=0,r.numPropertySets=0,r.numObjects=0,r.numGeometries=0,r.numTriangles=0,r.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";const o=new Uint8Array(e),n=this._ifcAPI.OpenModel(o),a=this._ifcAPI.GetModelSchema(n),l=this._ifcAPI.GetLineIDsWithType(n,this._webIFC.IFCPROJECT).get(0),A=!1!==t.loadMetadata,h={modelID:n,modelSchema:a,sceneModel:s,loadMetadata:A,metadata:A?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:r};if(A){if(i.includeTypes){h.includeTypes={};for(let e=0,t=i.includeTypes.length;e<t;e++)h.includeTypes[i.includeTypes[e]]=!0}if(i.excludeTypes){h.excludeTypes={};for(let e=0,t=i.excludeTypes.length;e<t;e++)h.excludeTypes[i.excludeTypes[e]]=!0}this._parseMetaObjects(h),this._parsePropertySets(h)}if(this._parseGeometry(h),s.finalize(),A){const e=s.id;this.viewer.metaScene.createMetaModel(e,h.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_parseMetaObjects(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}_parseSpatialChildren(e,t,i){const s=this._ifcAPI.GetNameFromTypeCode(t.type);if(e.includeTypes&&!e.includeTypes[s])return;if(e.excludeTypes&&e.excludeTypes[s])return;this._createMetaObject(e,t,i);const r=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,r),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,r)}_createMetaObject(e,t,i){const s=t.GlobalId.value,r=this._ifcAPI.GetNameFromTypeCode(t.type),o={id:s,name:t.Name&&""!==t.Name.value?t.Name.value:r,type:r,parent:i};e.metadata.metaObjects.push(o),e.metaObjects[s]=o,e.stats.numMetaObjects++}_parseRelatedItemsOfType(e,t,i,s,r,o){const n=this._ifcAPI.GetLineIDsWithType(e.modelID,r);for(let r=0;r<n.size();r++){const a=n.get(r),l=this._ifcAPI.GetLine(e.modelID,a),A=l[i];let h=!1;if(Array.isArray(A)){h=A.map((e=>e.value)).includes(t)}else h=A.value===t;if(h){const t=l[s];if(Array.isArray(t))t.forEach((t=>{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}));else{const i=this._ifcAPI.GetLine(e.modelID,t.value);this._parseSpatialChildren(e,i,o)}}}}_parsePropertySets(e){const t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES);for(let i=0;i<t.size();i++){let s=t.get(i),r=this._ifcAPI.GetLine(e.modelID,s,!0);if(r){const t=r.RelatingPropertyDefinition;if(!t)continue;const i=t.GlobalId.value,s=t.HasProperties;if(s&&s.length>0){const o="Default",n=t.Name.value,a=[];for(let e=0,t=s.length;e<t;e++){const t=s[e],i=t.Name,r=t.NominalValue;if(i&&r){const e={name:i.value,type:r.type,value:r.value,valueType:r.valueType};t.Description?e.description=t.Description.value:r.description&&(e.description=r.description),a.push(e)}}const l={id:i,type:o,name:n,properties:a};e.metadata.propertySets.push(l),e.stats.numPropertySets++;const A=r.RelatedObjects;if(!A||0===A.length)return;for(let t=0,s=A.length;t<s;t++){const s=A[t].GlobalId.value,r=e.metaObjects[s];r&&(r.propertySetIds||(r.propertySetIds=[]),r.propertySetIds.push(i))}}}}}_parseGeometry(e){this._ifcAPI.StreamAllMeshes(e.modelID,(t=>{const i=t.expressID,s=t.geometries,r=[],o=this._ifcAPI.GetLine(e.modelID,i).GlobalId.value;if(e.loadMetadata){const t=o,i=e.metaObjects[t];if(e.includeTypes&&(!i||!e.includeTypes[i.type]))return;if(e.excludeTypes&&(!i||e.excludeTypes[i.type]))return}const n=d.mat4(),a=d.vec3();for(let t=0,i=s.size();t<i;t++){const i=s.get(t),o=this._ifcAPI.GetGeometry(e.modelID,i.geometryExpressID),l=this._ifcAPI.GetVertexArray(o.GetVertexData(),o.GetVertexDataSize()),A=this._ifcAPI.GetIndexArray(o.GetIndexData(),o.GetIndexDataSize()),h=new Float64Array(l.length/2),c=new Float32Array(l.length/2);for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)h[t+0]=l[6*e+0],h[t+1]=l[6*e+1],h[t+2]=l[6*e+2];n.set(i.flatTransformation),d.transformPositions3(n,h);const u=te(h,h,a);if(!e.options.autoNormals)for(let e=0,t=0,i=l.length/6;e<i;e++,t+=3)c[t+0]=l[6*e+3],c[t+1]=l[6*e+4],c[t+2]=l[6*e+5];e.stats.numGeometries++,e.stats.numVertices+=h.length/3,e.stats.numTriangles+=A.length/3;const p="mesh"+e.nextId++;e.sceneModel.createMesh({id:p,primitive:"triangles",origin:u?a:null,positions:h,normals:e.options.autoNormals?null:c,indices:A,color:[i.color.x,i.color.y,i.color.z],opacity:i.color.w}),r.push(p)}const l=e.options.globalizeObjectIds?d.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:l,meshIds:r,isObject:!0}),e.stats.numObjects++}))}}class bE{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getLAS(e,t,i){e=this._cacheBusterURL(e);var s=()=>{};t=t||s,i=i||s;const r=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(r){const e=!!r[2];var o=r[3];o=window.decodeURIComponent(o),e&&(o=window.atob(o));try{const e=new ArrayBuffer(o.length),i=new Uint8Array(e);for(var n=0;n<o.length;n++)i[n]=o.charCodeAt(n);t(e)}catch(e){i(e)}}else{const s=new XMLHttpRequest;s.open("GET",e,!0),s.responseType="arraybuffer",s.onreadystatechange=function(){4===s.readyState&&(200===s.status?t(s.response):i("getXKT error : "+s.response))},s.send(null)}}}const yE={name:"LAS",id:"las",module:"las",version:"3.2.6",worker:!0,extensions:["las","laz"],mimeTypes:["application/octet-stream"],text:!0,binary:!0,tests:["LAS"],options:{las:{shape:"mesh",fp64:!1,skip:1,colorDepth:8}}},BE=[{item:"FileSignature",format:"char",size:4},{item:"FileSoureceID",format:"uShort",size:2},{item:"GlobalEncoding",format:"uShort",size:2},{item:"ProjectID1",format:"notUsed",size:4},{item:"ProjectID2",format:"notUsed",size:2},{item:"ProjectID3",format:"notUsed",size:2},{item:"ProjectID4",format:"notUsed",size:8},{item:"VersionMajor",format:"uChar",size:1},{item:"VersionMinor",format:"uChar",size:1},{item:"SystemIdentifier",format:"char",size:32},{item:"GeneratingSoftware",format:"char",size:32},{item:"CreationDay",format:"uShort",size:2},{item:"CreationYear",format:"uShort",size:2},{item:"HeaderSize",format:"uShort",size:2},{item:"OffsetToPointData",format:"uLong",size:4},{item:"NumberOfVariableLengthRecords",format:"uLong",size:4},{item:"PointDataFormatID",format:"uChar",size:1},{item:"PointDataRecordLength",format:"uShort",size:2},{item:"NumberOfPoints",format:"uLong",size:4},{item:"NumberOfPointByReturn",format:"uLong",size:20},{item:"ScaleFactorX",format:"double",size:8},{item:"ScaleFactorY",format:"double",size:8},{item:"ScaleFactorZ",format:"double",size:8},{item:"OffsetX",format:"double",size:8},{item:"OffsetY",format:"double",size:8},{item:"OffsetZ",format:"double",size:8},{item:"MaxX",format:"double",size:8},{item:"MinX",format:"double",size:8},{item:"MaxY",format:"double",size:8},{item:"MinY",format:"double",size:8},{item:"MaxZ",format:"double",size:8},{item:"MinZ",format:"double",size:8}],wE=[{item:"Reserved",format:"uShort",size:2},{item:"UserId",format:"char",size:16},{item:"RecordId",format:"uShort",size:2},{item:"RecordLengthAfterHeader",format:"uShort",size:2},{item:"Description",format:"char",size:32}],PE=e=>{let t=0,i=0,s=0;const r=new DataView(e),o=new Uint8Array(6e3),n=({item:s,format:o,size:n})=>{let a,l;switch(o){case"char":return l=new Uint8Array(e,t,n),t+=n,a=CE(l),[s,a];case"uShort":return a=r.getUint16(t,!0),t+=n,[s,a];case"uLong":return a=r.getUint32(t,!0),"NumberOfVariableLengthRecords"===s&&(i=a),t+=n,[s,a];case"uChar":return a=r.getUint8(t),t+=n,[s,a];case"double":return a=r.getFloat64(t,!0),t+=n,[s,a];default:t+=n}};return(()=>{const e={};BE.forEach((t=>{const i=n({...t});if(void 0!==i){if("FileSignature"===i[0]&&"LASF"!==i[1])throw new Error("Ivalid FileSignature. 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z{constructor(e,t={}){super("lasLoader",e,t),this.dataSource=t.dataSource,this.skip=t.skip,this.fp64=t.fp64,this.colorDepth=t.colorDepth,this.center=t.center,this.rotate=t.rotate,this.rotateX=t.rotateX,this.transform=t.transform}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new bE}get skip(){return this._skip}set skip(e){this._skip=e||1}get fp64(){return this._fp64}set fp64(e){this._fp64=!!e}get colorDepth(){return this._colorDepth}set colorDepth(e){this._colorDepth=e||"auto"}get center(){return this._center}set center(e){this._center=!!e}get transform(){return this._transform}set transform(e){this._transform=e}get rotate(){return this._rotate}set rotate(e){this._rotate=e}get rotateX(){return this._rotateX}set rotateX(e){this._rotateX=e}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new hu(this.viewer.scene,y.apply(e,{maxGeometryBatchSize:5e5,isModel:!0}));if(!e.src&&!e.las)return this.error("load() param expected: src or las"),t;const i={las:{skip:this._skip,fp64:this._fp64,colorDepth:this._colorDepth}};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.las,e,i,t).then((()=>{s.processes--}),(e=>{s.processes--,this.error(e),t.fire("error",e)}))}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getLAS(t.src,(e=>{this._parseModel(e,t,i,s).then((()=>{r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){const r=e=>{const t=e.value;if(this._center){const e=d.vec3(),i=t.length;for(let i=0,s=t.length;i<s;i+=3)e[0]+=t[i+0],e[1]+=t[i+1],e[2]+=t[i+2];e[0]/=i,e[1]/=i,e[2]/=i;for(let i=0,s=t.length;i<s;i+=3)t[i+0]-=e[0],t[i+1]-=e[1],t[i+2]-=e[2]}if(this._rotateX&&t)for(let e=0,i=t.length;e<i;e+=3){const i=t[e+1];t[e+1]=t[e+2],t[e+2]=i}if(this._rotate){const e=d.identityQuaternion(),i=d.mat4();d.eulerToQuaternion(this._rotate,"XYZ",e),d.quaternionToRotationMat4(e,i);const s=d.vec3();for(let e=0,r=t.length;e<r;e+=3)s[0]=t[e+0],s[1]=t[e+1],s[2]=t[e+2],d.transformPoint3(i,s,s),t[e+0]=s[0],t[e+1]=s[1],t[e+2]=s[2]}if(this._transform){const e=d.mat4(this._transform),i=d.vec3();for(let s=0,r=t.length;s<r;s+=3)i[0]=t[s+0],i[1]=t[s+1],i[2]=t[s+2],d.transformPoint3(e,i,i),t[s+0]=i[0],t[s+1]=i[1],t[s+2]=i[2]}return t};function o(e,t){const i=e.value,s=e.size,r=t.value,o=4*r.length,n=new Uint8Array(o);for(let e=0,t=0,o=0,a=r.length;e<a;e++,o+=s,t+=4)n[t+0]=i[o+0],n[t+1]=i[o+1],n[t+2]=i[o+2],n[t+3]=Math.round(r[e]/65536*255);return n}function n(e){const t=e.value,i=4*t.length,s=new Uint8Array(i);for(let e=0,i=0,r=t.length;e<r;e++,i+=4)s[i+0]=0,s[i+1]=0,s[i+2]=0,s[i+3]=Math.round(t[e]/65536*255);return s}return new Promise(((a,l)=>{if(s.destroyed)return void l();const 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$E(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function eF(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function tF(e,t,i,s){for(var r=0,o=t,n=i-s;o<i;o+=s)r+=(e[n]-e[o])*(e[o+1]+e[n+1]),n=o;return r}IE.deviation=function(e,t,i,s){var r=t&&t.length,o=r?t[0]*i:e.length,n=Math.abs(tF(e,0,o,i));if(r)for(var a=0,l=t.length;a<l;a++){var A=t[a]*i,h=a<l-1?t[a+1]*i:e.length;n-=Math.abs(tF(e,A,h,i))}var c=0;for(a=0;a<s.length;a+=3){var u=s[a]*i,d=s[a+1]*i,p=s[a+2]*i;c+=Math.abs((e[u]-e[p])*(e[d+1]-e[u+1])-(e[u]-e[d])*(e[p+1]-e[u+1]))}return 0===n&&0===c?0:Math.abs((c-n)/n)},IE.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},s=0,r=0;r<e.length;r++){for(var o=0;o<e[r].length;o++)for(var n=0;n<t;n++)i.vertices.push(e[r][o][n]);r>0&&(s+=e[r-1].length,i.holes.push(s))}return i};const iF=d.vec2(),sF=d.vec3(),rF=d.vec3(),oF=d.vec3();class nF extends z{constructor(e,t={}){super("cityJSONLoader",e,t),this.dataSource=t.dataSource}get dataSource(){return this._dataSource}set dataSource(e){this._dataSource=e||new FE}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new hu(this.viewer.scene,y.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;const i={};if(e.src)this._loadModel(e.src,e,i,t);else{const s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(e.cityJSON,e,i,t),s.processes--}return t}_loadModel(e,t,i,s){const r=this.viewer.scene.canvas.spinner;r.processes++,this._dataSource.getCityJSON(t.src,(e=>{this._parseModel(e,t,i,s),r.processes--}),(e=>{r.processes--,this.error(e),s.fire("error",e)}))}_parseModel(e,t,i,s){if(s.destroyed)return;const r=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,o=t.stats||{};o.sourceFormat=e.type||"CityJSON",o.schemaVersion=e.version||"",o.title="",o.author="",o.created="",o.numMetaObjects=0,o.numPropertySets=0,o.numObjects=0,o.numGeometries=0,o.numTriangles=0,o.numVertices=0;const n=!1!==t.loadMetadata,a=n?{id:d.createUUID(),name:"Model",type:"Model"}:null,l=n?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,A={data:e,vertices:r,sceneModel:s,loadMetadata:n,metadata:l,rootMetaObject:a,nextId:0,stats:o};if(this._parseCityJSON(A),s.finalize(),n){const e=s.id;this.viewer.metaScene.createMetaModel(e,A.metadata,i)}s.scene.once("tick",(()=>{s.destroyed||(s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1))}))}_transformVertices(e,t,i){const s=[],r=t.scale||d.vec3([1,1,1]),o=t.translate||d.vec3([0,0,0]);for(let t=0,n=0;t<e.length;t++,n+=3){const n=e[t][0]*r[0]+o[0],a=e[t][1]*r[1]+o[1],l=e[t][2]*r[2]+o[2];i?s.push([n,l,a]):s.push([n,a,l])}return s}_parseCityJSON(e){const t=e.data.CityObjects;for(const i in t)if(t.hasOwnProperty(i)){const s=t[i];this._parseCityObject(e,s,i)}}_parseCityObject(e,t,i){const s=e.sceneModel,r=e.data;if(e.loadMetadata){const s=i,r=t.type,o=r+" : "+i,n=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:s,name:o,type:r,parent:n})}if(e.stats.numMetaObjects++,!(t.geometry&&t.geometry.length>0))return;const o=[];for(let i=0,s=t.geometry.length;i<s;i++){const s=t.geometry[i];let n,a;const l=r.appearance;if(l){const e=l.materials;if(e){const t=s.material;if(t){const s=Object.keys(t);if(s.length>0){const r=t[s[0]];if(void 0!==r.value)n=e[r.value];else{const t=r.values;if(t){a=[];for(let s=0,r=t.length;s<r;s++){const s=e[t[i]];a.push(s)}}}}}}}a?this._parseGeometrySurfacesWithOwnMaterials(e,s,a,o):this._parseGeometrySurfacesWithSharedMaterial(e,s,n,o)}o.length>0&&(s.createEntity({id:i,meshIds:o,isObject:!0}),e.stats.numObjects++)}_parseGeometrySurfacesWithOwnMaterials(e,t,i,s){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const r=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,r,s);break;case"Solid":const o=t.boundaries;for(let t=0;t<o.length;t++){const r=o[t];this._parseSurfacesWithOwnMaterials(e,i,r,s)}break;case"MultiSolid":case"CompositeSolid":const n=t.boundaries;for(let t=0;t<n.length;t++)for(let r=0;r<n[t].length;r++){const o=n[t][r];this._parseSurfacesWithOwnMaterials(e,i,o,s)}}}_parseSurfacesWithOwnMaterials(e,t,i,s){const r=e.vertices,o=e.sceneModel;for(let n=0;n<i.length;n++){const a=i[n],l=t[n]||{diffuseColor:[.8,.8,.8],transparency:1},A=[],h=[],c=[],u={positions:[],indices:[]};for(let t=0;t<a.length;t++){A.length>0&&h.push(A.length);const i=this._extractLocalIndices(e,a[t],c,u);A.push(...i)}if(3===A.length)u.indices.push(A[0]),u.indices.push(A[1]),u.indices.push(A[2]);else if(A.length>3){const e=[];for(let t=0;t<A.length;t++)e.push({x:r[c[A[t]]][0],y:r[c[A[t]]][1],z:r[c[A[t]]][2]});const t=this._getNormalOfPositions(e,d.vec3());let i=[];for(let s=0;s<e.length;s++)this._to2D(e[s],t,iF),i.unshift(iF[0]),i.unshift(iF[1]);const s=IE(i,h,2);for(let e=0;e<s.length;e+=3)u.indices.unshift(A[s[e]]),u.indices.unshift(A[s[e+1]]),u.indices.unshift(A[s[e+2]])}const p=""+e.nextId++;o.createMesh({id:p,primitive:"triangles",positions:u.positions,indices:u.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),s.push(p),e.stats.numGeometries++,e.stats.numVertices+=u.positions.length/3,e.stats.numTriangles+=u.indices.length/3}}_parseGeometrySurfacesWithSharedMaterial(e,t,i,s){const r=e.sceneModel,o=[],n={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":const i=t.boundaries;this._parseSurfacesWithSharedMaterial(e,i,o,n);break;case"Solid":const s=t.boundaries;for(let t=0;t<s.length;t++){const i=s[t];this._parseSurfacesWithSharedMaterial(e,i,o,n)}break;case"MultiSolid":case"CompositeSolid":const r=t.boundaries;for(let t=0;t<r.length;t++)for(let i=0;i<r[t].length;i++){const s=r[t][i];this._parseSurfacesWithSharedMaterial(e,s,o,n)}}if(n.positions.length>0&&n.indices.length>0){const t=""+e.nextId++;r.createMesh({id:t,primitive:"triangles",positions:n.positions,indices:n.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),s.push(t),e.stats.numGeometries++,e.stats.numVertices+=n.positions.length/3,e.stats.numTriangles+=n.indices.length/3}}_parseSurfacesWithSharedMaterial(e,t,i,s){const r=e.vertices;for(let o=0;o<t.length;o++){let n=[],a=[];for(let r=0;r<t[o].length;r++){n.length>0&&a.push(n.length);const l=this._extractLocalIndices(e,t[o][r],i,s);n.push(...l)}if(3===n.length)s.indices.push(n[0]),s.indices.push(n[1]),s.indices.push(n[2]);else if(n.length>3){let e=[];for(let t=0;t<n.length;t++)e.push({x:r[i[n[t]]][0],y:r[i[n[t]]][1],z:r[i[n[t]]][2]});const t=this._getNormalOfPositions(e,d.vec3());let o=[];for(let i=0;i<e.length;i++)this._to2D(e[i],t,iF),o.unshift(iF[0]),o.unshift(iF[1]);const l=IE(o,a,2);for(let e=0;e<l.length;e+=3)s.indices.unshift(n[l[e]]),s.indices.unshift(n[l[e+1]]),s.indices.unshift(n[l[e+2]])}}}_extractLocalIndices(e,t,i,s){const r=e.vertices,o=[];for(let e=0,n=t.length;e<n;e++){const n=t[e];if(i.includes(n)){const e=i.indexOf(n);o.push(e)}else s.positions.push(r[n][0]),s.positions.push(r[n][1]),s.positions.push(r[n][2]),o.push(i.length),i.push(n)}return o}_getNormalOfPositions(e,t){for(let i=0;i<e.length;i++){let s=i+1;s===e.length&&(s=0),t[0]+=(e[i].y-e[s].y)*(e[i].z+e[s].z),t[1]+=(e[i].z-e[s].z)*(e[i].x+e[s].x),t[2]+=(e[i].x-e[s].x)*(e[i].y+e[s].y)}return d.normalizeVec3(t)}_to2D(e,t,i){const s=sF,r=rF,o=oF;s[0]=e.x,s[1]=e.y,s[2]=e.z,r[0]=t.x,r[1]=t.y,r[2]=t.z,o[0]=1.1,o[1]=1.1,o[2]=1.1;d.lenVec3(d.subVec3(o,r))<.01&&(o[0]+=1,o[1]+=2,o[2]+=3);const n=d.dotVec3(o,r),a=d.mulVec3Scalar(r,n,d.vec3());o[0]-=a[0],o[1]-=a[1],o[2]-=a[2],d.normalizeVec3(o);const l=d.cross3Vec3(r,o,d.vec3()),A=d.dotVec3(s,o),h=d.dotVec3(s,l);i[0]=A,i[1]=h}}class aF{constructor(e={}){this.cacheBuster=!1!==e.cacheBuster}_cacheBusterURL(e){if(!this.cacheBuster)return e;const t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}getDotBIM(e,t,i){y.loadJSON(this._cacheBusterURL(e),(e=>{t(e)}),(function(e){i(e)}))}}class lF extends z{constructor(e,t={}){super("DotBIMLoader",e,t),this.dataSource=t.dataSource,this.objectDefaults=t.objectDefaults}set dataSource(e){this._dataSource=e||new aF}get dataSource(){return this._dataSource}set objectDefaults(e){this._objectDefaults=e||AC}get objectDefaults(){return this._objectDefaults}load(e={}){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);const t=new hu(this.viewer.scene,y.apply(e,{isModel:!0,backfaces:e.backfaces,dtxEnabled:e.dtxEnabled,rotation:e.rotation,origin:e.origin})),i=t.id;if(!e.src&&!e.dotBIM)return this.error("load() param expected: src or dotBIM"),t;const s=e.objectDefaults||this._objectDefaults||AC;let r,o;if(e.includeTypes){r={};for(let t=0,i=e.includeTypes.length;t<i;t++)r[e.includeTypes[t]]=!0}if(e.excludeTypes){o={},r||(r={});for(let t=0,i=e.excludeTypes.length;t<i;t++)r[e.excludeTypes[t]]=!0}const n=e=>{const t=e.fileData,n=e.sceneModel,a={},l=d.createUUID(),A=d.createUUID(),h=d.createUUID(),c=d.createUUID(),u={metaObjects:[{id:l,name:"Project",type:"Project",parent:null},{id:A,name:"Site",type:"Site",parent:l},{id:h,name:"Building",type:"Building",parent:A},{id:c,name:"BuildingStorey",type:"BuildingStorey",parent:h}],propertySets:[]},p=(e,i)=>{if(a[e])return;const s=t.meshes.find((e=>e.mesh_id===i.mesh_id));n.createGeometry({id:e,primitive:"triangles",positions:s.coordinates,indices:s.indices}),a[e]=!0},f=t.elements;for(let e=0,i=f.length;e<i;e++){const i=f[e],a=i.type;if(o&&o[a])continue;if(r&&!r[a])continue;const l=i.info,A=void 0!==i.guid?`${i.guid}`:void 0!==l&&void 0!==l.id?l.id:e,h=i.mesh_id,d=i.vector,g=i.rotation,m=s?s[a]||s.DEFAULT:null;let _=!0,v=!0;if(void 0===i.face_colors){p(h,i);const e=`${A}-mesh`;let t=i.color?[i.color.r/255,i.color.g/255,i.color.b/255]:[1,1,1],s=i.color?i.color.a/255:1;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(t=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(s=m.opacity)),n.createMesh({id:e,geometryId:h,color:t,opacity:s,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:d?[d.x,d.y,d.z]:void 0}),n.createEntity({id:A,meshIds:[e],visible:_,pickable:v,isObject:!0})}else{let e=i.face_colors,s={},r=0,o=t.meshes.find((e=>e.mesh_id===i.mesh_id));for(let t=0,i=e.length;t<i;t+=4){let i=[e[t],e[t+1],e[t+2],e[t+3]];void 0===s[i]&&(s[i]=[]);let n=o.indices[r],a=o.coordinates[3*n],l=o.coordinates[3*n+1],A=o.coordinates[3*n+2],h=o.indices[r+1],c=o.coordinates[3*h],u=o.coordinates[3*h+1],d=o.coordinates[3*h+2],p=o.indices[r+2],f=o.coordinates[3*p],g=o.coordinates[3*p+1],m=o.coordinates[3*p+2];s[i].push(a,l,A,c,u,d,f,g,m),r+=3}let a=[];for(const[e,t]of Object.entries(s)){n.createGeometry({id:`${h}-${e}`,primitive:"triangles",positions:t,indices:[...Array(t.length/3).keys()]});const i=`${A}-mesh-${e}`,s=e.split(",").map(Number);let r=[s[0]/255,s[1]/255,s[2]/255],o=s[3]/255;m&&(!1===m.visible&&(_=!1),!1===m.pickable&&(v=!1),m.colorize&&(r=m.colorize),void 0!==m.opacity&&null!==m.opacity&&(o=m.opacity)),n.createMesh({id:i,geometryId:`${h}-${e}`,color:r,opacity:o,quaternion:!g||0===g.qz&&0===g.qy&&0===g.qx&&1===g.qw?void 0:[g.qx,g.qy,g.qz,g.qw],position:d?[d.x,d.y,d.z]:void 0}),a.push(i)}n.createEntity({id:A,meshIds:a,visible:_,pickable:v,isObject:!0})}let b=[];for(let e in l)b.push({name:e,value:l[e]});u.propertySets.push({id:A,name:"Properties",properties:b}),u.metaObjects.push({id:A,name:l&&l.Name&&"None"!==l.Name?l.Name:`${i.type} ${A}`,type:i.type,parent:c,propertySetIds:[A]})}n.finalize(),this.viewer.metaScene.createMetaModel(i,u),n.scene.once("tick",(()=>{n.destroyed||(n.scene.fire("modelLoaded",n.id),n.fire("loaded",!0,!1))}))};if(e.src){const i=e.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(i,(e=>{n({fileData:e,sceneModel:t,nextId:0,error:function(e){}}),this.viewer.scene.canvas.spinner.processes--}),(e=>{this.viewer.scene.canvas.spinner.processes--,this.error(e)}))}else if(e.dotBIM){const i={fileData:e.dotBIM,sceneModel:t,nextId:0,error:function(e){}};n(i)}return t.once("destroyed",(()=>{this.viewer.metaScene.destroyMetaModel(i)})),t}destroy(){super.destroy()}}const AF=function(e){const t=t=>parseInt(e.substr(t+1,2),16)/255;return[t(0),t(2),t(4)]},hF=function(e){const t=[];for(let i=0;i<e.length;++i)t.push(i);const i=function(){const i=d.vec2(),s=d.vec2();let r=0;for(let o=0;o<t.length;++o){const n=e[t[o]],a=e[t[(o+1)%t.length]],l=e[t[(o+2)%t.length]];d.subVec2(n,a,i),d.subVec2(l,a,s);const A=d.dotVec2(i,s)/Math.sqrt(d.sqLenVec2(i)*d.sqLenVec2(s)),h=Math.acos(Math.max(-1,Math.min(A,1)));r+=i[0]*s[1]-i[1]*s[0]>=0?h:2*Math.PI-h}return r<t.length*Math.PI}(),s=function(){const e=(e,t,i)=>(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1]);return(t,i,s,r)=>{const o=e(t,i,s),n=e(t,s,r),a=e(t,r,i);return!((o<0||n<0||a<0)&&(o>0||n>0||a>0))}}(),r=[],o=(i?t:t.slice(0).reverse()).map((e=>({idx:e})));o.forEach(((e,t)=>{e.prev=o[(t-1+o.length)%o.length],e.next=o[(t+1)%o.length]}));const n=d.vec2(),a=d.vec2();for(;o.length>2;){let t=0;for(;;){if(t>=o.length)throw`isCCW = ${i}; earIdx = ${t}; len = ${o.length}`;const r=o[t],l=e[r.prev.idx],A=e[r.idx],h=e[r.next.idx];if(d.subVec2(l,A,n),d.subVec2(h,A,a),n[0]*a[1]-n[1]*a[0]>=0&&o.every((t=>t===r||t===r.prev||t===r.next||!s(e[t.idx],l,A,h))))break;++t}const l=o[t];o.splice(t,1),r.push([l.idx,l.next.idx,l.prev.idx]);l.prev.next=l.next;l.next.prev=l.prev}return[e,r,i]},cF=function(e,t){const i=new Le(e,{},e.canvas.canvas.parentNode,{borderColor:"white",fillColor:t,zIndex:100});return{update:function(e){e&&(i.worldPos=e),i.setVisible(!!e)},setHighlighted:e=>i.setHighlighted(e),getCanvasPos:()=>i.canvasPos,getWorldPos:()=>i.worldPos,destroy:()=>i.destroy()}},uF=function(e,t,i){let s=null;const r=r=>{if(r){s&&s.destroy();try{const[o,n]=hF(r.map((e=>[e[0],e[2]]))),a=[].concat(...o.map((e=>[e[0],r[0][1],e[1]]))),l=[].concat(...n);s=new Gr(e,{pickable:!1,geometry:new bi(e,{positions:a,indices:l,normals:d.buildNormals(a,l)}),material:new xi(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:AF(t)})})}catch(e){s=null}}s&&(s.visible=!!r)};return r(null),{updateBase:r,destroy:()=>s&&s.destroy()}},dF=function(e,t){return function(i,s,r){const o=e.scene,n=o.canvas.canvas,a=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,De(n.ownerDocument.documentElement,n,t),t),l=e=>{const i=d.vec3(),s=d.vec3();return d.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,i,s),t(i,s)};let A=!1;const h=function(){A=!1},c=function(){h(),n.removeEventListener("mousedown",p),n.removeEventListener("mousemove",f),e.cameraControl.off(g),n.removeEventListener("mouseup",m)},u=d.vec2(),p=function(e){1===e.which&&(a(e,u),A=!0)};n.addEventListener("mousedown",p);const f=function(e){const t=a(e,d.vec2());A&&d.distVec2(u,t)>20&&(h(),i())};n.addEventListener("mousemove",f);const g=e.cameraControl.on("rayMove",(e=>{const t=e.canvasPos;s(t,l(t))})),m=function(e){if(1===e.which&&A){c();const t=a(e,d.vec2());r(t,l(t))}};return n.addEventListener("mouseup",m),c}},pF=function(e,t,i,s){const r=-(d.dotVec3(i,t)-e)/d.dotVec3(s,t);{const e=d.vec3();return d.mulVec3Scalar(s,r,e),d.addVec3(i,e,e),e}};class fF extends R{constructor(e,t={}){if(super(e.viewer.scene,t),this.plugin=e,this._container=t.container,!this._container)throw"config missing: container";this._eventSubs={},this.plugin.viewer.scene,this._geometry=t.geometry,t.onMouseOver,t.onMouseLeave,t.onContextMenu,this._alpha="alpha"in t&&void 0!==t.alpha?t.alpha:.5,this.color=t.color,this._visible=!0,this._rebuildMesh()}_rebuildMesh(){const e=this.plugin.viewer.scene,t=this._geometry.planeCoordinates.slice(),i=this._geometry.height<0,s=this._geometry.altitude+(i?this._geometry.height:0),r=this._geometry.height*(i?-1:1),[o,n,a]=hF(t),l=[],A=[],h=e=>{const t=l.length;for(let t of o)l.push([t[0],s+(e?r:0),t[1]]);for(let i of n)A.push(...(e?i:i.slice(0).reverse()).map((e=>e+t)))};h(!1),h(!0);for(let e=0;e<o.length;++e){const t=o[e],i=o[(o.length+e+(a?1:-1))%o.length],n=s,h=s+r,c=l.length;l.push([t[0],n,t[1]],[i[0],n,i[1]],[i[0],h,i[1]],[t[0],h,t[1]]),A.push(...[0,1,2,0,2,3].map((e=>e+c)))}this._zoneMesh&&this._zoneMesh.destroy();const c=e=>Math.min(...l.map((t=>t[e]))),u=e=>Math.max(...l.map((t=>t[e]))),p=c(0),f=c(1),g=c(2),m=u(0),_=u(1),v=u(2);this._center=d.vec3([(p+m)/2,(f+_)/2,(g+v)/2]);const b=[].concat(...l.map((e=>d.subVec3(e,this._center,e))));this._zoneMesh=new Gr(e,{origin:this._center,edges:this._edges,geometry:new bi(e,{positions:b,indices:A,normals:d.buildNormals(b,A)}),material:new xi(e,{alpha:this._alpha,backfaces:!0,diffuse:AF(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;{const e=d.vec2(),t=d.vec2();let i=0;for(let s of n){const r=o[s[0]],n=o[s[1]],a=o[s[2]];d.subVec2(n,r,e),d.subVec2(a,r,t),i+=Math.abs(e[0]*t[1]-e[1]*t[0])}this._baseArea=i/2}this._metrics=null}get baseArea(){return this._baseArea}get area(){return this._getMetrics().area}get volume(){return this._getMetrics().volume}_getMetrics(){if(null===this._metrics){let e=0,t=0;const i=this._zoneMesh.geometry,s=[d.vec3(),d.vec3(),d.vec3()],r=d.vec3();for(let o=0;o<i.indices.length;o+=3){for(let e=0;e<3;++e){const t=s[e],r=3*i.indices[o+e];for(let e=0;e<3;++e)t[e]=i.positions[r+e]}e+=d.dotVec3(s[0],d.cross3Vec3(s[1],s[2],r)),d.subVec3(s[1],s[0],s[1]),d.subVec3(s[2],s[0],s[2]),t+=d.lenVec3(d.cross3Vec3(s[1],s[2],r))}this._metrics={area:t/2,volume:e/6}}return this._metrics}sectionedAverage(e){const t=this._geometry.planeCoordinates.slice();let i=[];{const e=this._geometry.height,s=this._geometry.altitude,r=s+Math.max(0,e),o=s+Math.min(0,e),n=e=>{const s=t.map((t=>[t[0],e?r:o,t[1]]));i.push(e?s:s.slice(0).reverse())};n(!0),n(!1);const a=(e,i)=>[t[e][0],i,t[e][1]];for(let e=0;e<t.length;++e){const s=(e+1)%t.length;i.push([a(e,o),a(s,o),a(s,r),a(e,r)])}}for(const t of e){const e=t.dir,r=t.dist,o=[];for(const t of i){const i=1e-5,n=0,a=1,l=2,A=3;let h=0;const c=[];for(let s=0;s<t.length;s++){const o=d.dotVec3(e,t[s])+r,A=o<-i?l:o>i?a:n;h|=A,c.push(A)}switch(h){case n:case a:o.push(t);break;case l:break;case A:const i=[];for(let o=0;o<t.length;o++){var s=(o+1)%t.length;const n=c[o],a=c[s],h=t[o],u=t[s];if(n!==l&&i.push(h),(n|a)===A){const t=d.vec3();d.subVec3(u,h,t);const s=-(r+d.dotVec3(e,h))/d.dotVec3(e,t),o=[0,0,0];d.lerpVec3(s,0,1,h,u,o),i.push(o)}}i.length>=3&&o.push(i)}}i=o}if(0===i.length)return null;{const e=d.vec3([0,0,0]),t=new Set;for(const s of i)for(const i of s){const s=i.map((e=>e.toFixed(3))).join(":");t.has(s)||(t.add(s),d.addVec3(e,i,e))}return d.mulVec3Scalar(e,1/t.size,e),e}}get center(){return this._center}get altitude(){return this._geometry.altitude}set altitude(e){this._geometry.altitude=e,this._rebuildMesh()}get height(){return this._geometry.height}set height(e){this._geometry.height=e,this._rebuildMesh()}get highlighted(){return this._highlighted}set highlighted(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}set color(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=AF(this._color))}get color(){return this._color}set alpha(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}get alpha(){return this._alpha}get edges(){return this._edges}set edges(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}set visible(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}get visible(){return this._visible}getJSON(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}duplicate(){return this.plugin.createZone({id:d.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((e=>e.slice())),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}destroy(){this._zoneMesh.destroy(),super.destroy()}}class gF extends R{constructor(e,t,i){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.createSelect3dPoint=i,this._deactivate=null}get active(){return!!this._deactivate}activate(e,t,i,s){if(this._deactivate)return;if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=this.createSelect3dPoint(o,((t,i)=>pF(e,d.vec3([0,1,0]),t,i)));!function o(){const A=uF(n,i,s),h=function(e,t,i,s,r,o){const n=cF(e,t),a=cF(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:()=>{};let A=s((()=>{l(null),n.update(null)}),((e,t)=>{l(e),n.update(t)}),(function(e,t){n.update(t),A=s((function(){l(null),a.update(null),r(null)}),(function(e,i){l(e),a.update(i),r(d.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),n.destroy(),a.destroy(),l(null),o([t,i])}))}));return{deactivate:function(){A(),n.destroy(),a.destroy(),l(null)}}}(n,i,a.pointerLens,l,(e=>{if(e){const t=e[0],i=e[1],s=e=>Math.min(t[e],i[e]),r=e=>Math.max(t[e],i[e]),o=s(0),n=s(1),a=s(2),l=r(0);r(1);const h=r(2);A.updateBase([[o,n,h],[l,n,h],[l,n,a],[o,n,a]])}else A.updateBase(null)}),(n=>{A.destroy();const l=function(e,t,i,s,r,o,n){const a=i=>Math.min(e[i],t[i]),l=i=>Math.max(e[i],t[i]),A=a(0),h=a(2),c=l(0),u=l(2);return n.createZone({id:d.createUUID(),geometry:{planeCoordinates:[[A,u],[c,u],[c,h],[A,h]],altitude:i,height:s},alpha:o,color:r})}(n[0],n[1],e,t,i,s,r);let h=!0;a._deactivate=()=>{h=!1},a.fire("zoneEnd",l),h&&o()})).deactivate;a._deactivate=()=>{h(),A.destroy()}}()}deactivate(){this._deactivate&&(this._deactivate(),this._deactivate=null)}destroy(){this.deactivate(),super.destroy()}}class mF extends gF{constructor(e,t={}){super(e,t,((e,t)=>dF(e,t)))}}class _F extends gF{constructor(e,t={}){const i=new G(e.viewer);super(e,t,((e,t)=>Qe(e,i,t))),this.pointerCircle=i}destroy(){this.pointerCircle.destroy(),super.destroy()}}class vF extends z{constructor(e,t={}){super("Zones",e),this._pointerLens=t.pointerLens,this._container=t.container||document.body,this._zones=[],this.defaultColor=void 0!==t.defaultColor?t.defaultColor:"#00BBFF",this.zIndex=t.zIndex||1e4,this._onMouseOver=(e,t)=>{this.fire("mouseOver",{plugin:this,zone:t,event:e})},this._onMouseLeave=(e,t)=>{this.fire("mouseLeave",{plugin:this,zone:t,event:e})},this._onContextMenu=(e,t)=>{this.fire("contextMenu",{plugin:this,zone:t,event:e})}}createZone(e={}){this.viewer.scene.components[e.id]&&(this.error("Viewer scene component with this ID already exists: "+e.id),delete e.id);const t=new fF(this,{id:e.id,plugin:this,container:this._container,geometry:e.geometry,alpha:e.alpha,color:e.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(t),t.on("destroyed",(()=>{const e=this._zones.indexOf(t);e>=0&&this._zones.splice(e,1)})),this.fire("zoneCreated",t),t}get zones(){return this._zones}destroy(){super.destroy()}}const bF=function(e,t,i,s,r,o,n,a,l){const A=o?function(e){o.visible=!!e,e&&(o.canvasPos=e)}:()=>{};let h;const c=[()=>A(null)],u=uF(e,s,r);return c.push((()=>u.destroy())),function o(p){const f=cF(e,s),g=p.length>0&&function(e,t,i){const s=new Oe(e,e.canvas.canvas.ownerDocument.body,{color:t,thickness:1,thicknessClickable:6});return s.setVisible(!1),{update:e=>{e&&s.setEnds(i,e),s.setVisible(!!e)},destroy:()=>s.destroy()}}(e,s,p[p.length-1].getWorldPos());c.push((()=>{f.destroy(),g&&g.destroy()}));const m=p.length>0&&p[0],_=function(e){const t=m&&m.getCanvasPos();return t&&d.distVec2(t,e)<10&&{canvasPos:t,worldPos:m.getWorldPos()}},v=function(){const e=(e,t,i)=>t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1]),t=(e,t,i)=>{const s=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===s?0:s>0?1:2};return function(i,s){const r=i[i.length-2],o=i[i.length-1];for(let n=s?1:0;n<i.length-2-1;++n){const s=i[n],a=i[n+1],l=t(r,o,s),A=t(r,o,a),h=t(s,a,r),c=t(s,a,o);if(l!==A&&h!==c||0===l&&e(r,s,o)||0===A&&e(r,a,o)||0===h&&e(s,r,a)||0===c&&e(s,o,a))return!0}return!1}}();h=a((()=>{A(null),f.update(null),g&&g.update(null),u.updateBase(p.length>2?p.map((e=>e.getWorldPos())):null)}),((e,t)=>{const i=p.length>2&&_(e);if(m&&m.setHighlighted(!!i),A(i?i.canvasPos:e),f.update(!i&&t),g&&g.update(i?i.worldPos:t),p.length>=2){const e=p.map((e=>e.getWorldPos())).concat(i?[]:[t]),s=v(e.map((e=>[e[0],e[2]])),i);u.updateBase(s?null:e)}else u.updateBase(null)}),(function(e,a){const A=p.length>2&&_(e),h=p.map((e=>e.getWorldPos())).concat(A?[]:[a]);u.updateBase(h);const m=h.map((e=>[e[0],e[2]]));p.length>2&&v(m,A)?(c.pop()(),o(p)):A?(f.update(a),c.forEach((e=>e())),l(n.createZone({id:d.createUUID(),geometry:{planeCoordinates:m,altitude:t,height:i},alpha:r,color:s}))):(f.update(a),g&&g.update(a),o(p.concat(f)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){h(),c.forEach((e=>e()))}}};class yF extends R{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=dF(o,(function(t,i){return pF(e,d.vec3([0,1,0]),t,i)}));!function o(){a._action=bF(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}}class BF extends R{constructor(e,t={}){super(e.viewer.scene),this.zonesPlugin=e,this.pointerLens=t.pointerLens,this.pointerCircle=new G(e.viewer),this._action=null}get active(){return!!this._action}activate(e,t,i,s){if("object"==typeof e&&null!==e){const r=e,o=(e,t)=>{if(e in r)return r[e];if(void 0!==t)return t;throw"config missing: "+e};e=o("altitude"),t=o("height"),i=o("color","#008000"),s=o("alpha",.5)}if(this._action)return;const r=this.zonesPlugin,o=r.viewer,n=o.scene,a=this,l=Qe(o,this.pointerCircle,(function(t,i){return pF(e,d.vec3([0,1,0]),t,i)}));!function o(){a._action=bF(n,e,t,i,s,a.pointerLens,r,l,(e=>{let t=!0;a._action={deactivate:()=>{t=!1}},a.fire("zoneEnd",e),t&&o()}))}()}deactivate(){this._action&&(this._action.deactivate(),this._action=null)}destroy(){this.deactivate(),super.destroy()}}class wF extends R{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene;super(o);const n=e._geometry.altitude,a=e._geometry.planeCoordinates.map((t=>{const i=o.canvas.canvas.ownerDocument.body,s=new Le(o,{},i,{fillColor:e._color});return s.worldPos=d.vec3([t[0],n,t[1]]),s.on("worldPos",(function(){t[0]=s.worldPos[0],t[1]=s.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),s})),l=Ne({viewer:r,handleMouseEvents:i,handleTouchEvents:s,pointerLens:t&&t.pointerLens,dots:a,ray2WorldPos:(e,t)=>pF(n,d.vec3([0,1,0]),e,t),onEnd:(t,i)=>(e._zoneMesh&&this.fire("edited"),!!e._zoneMesh)}),A=function(){l(),a.forEach((e=>e.destroy()))},h=e.on("destroyed",A);this._deactivate=function(){e.off("destroyed",h),A()}}deactivate(){this._deactivate(),super.destroy()}}class PF extends wF{constructor(e,t){super(e,t,!0,!1)}}class xF extends wF{constructor(e,t){super(e,t,!1,!0)}}class CF extends R{constructor(e,t,i,s){const r=e.plugin.viewer,o=r.scene,n=o.canvas.canvas;super(o);const a=this,l=e._geometry.altitude,A=t&&t.pointerLens,h=A?function(e){A.visible=!!e,e&&(A.canvasPos=e)}:()=>{},c=e=>{const t=d.vec3(),i=d.vec3();return d.canvasPosToWorldRay(n,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,e,t,i),s=t,r=i,pF(l,d.vec3([0,1,0]),s,r);var s,r},u=(e,t)=>(t[0]=e.clientX,t[1]=e.clientY,De(n.ownerDocument.documentElement,n,t),t),p=function(e,t){const i=e=>{e.preventDefault(),t(e)};return n.addEventListener(e,i),()=>n.removeEventListener(e,i)};let f=()=>{};const g=function(t,i,s,o){const l=o(t),A=u(l,d.vec2()),g=r.scene.pick({canvasPos:A,includeEntities:[e._zoneMesh.id]});if((g&&g.entity&&g.entity.zone)===e){f(),n.style.cursor="move",r.cameraControl.active=!1;const t=function(){const t=e._geometry.planeCoordinates.map((e=>e.slice())),i=c(A),s=d.vec2([i[0],i[2]]),r=d.vec2();return function(i){const o=c(i);r[0]=o[0],r[1]=o[2],d.subVec2(s,r,r),e._geometry.planeCoordinates.forEach(((e,i)=>{d.subVec2(t[i],r,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}}(),l=p(i,(function(e){const i=o(e);if(i){const e=u(i,d.vec2());t(e),h(e)}})),g=p(s,(function(e){const i=o(e);if(i){const e=u(i,d.vec2());t(e),h(null),f(),a.fire("translated")}}));f=function(){f=()=>{},n.style.cursor="default",r.cameraControl.active=!0,l(),g()}}},m=[];i&&m.push(p("mousedown",(e=>{1===e.which&&g(e,"mousemove","mouseup",(e=>1===e.which&&e))}))),s&&m.push(p("touchstart",(e=>{if(1===e.touches.length){const t=e.touches[0].identifier;g(e,"touchmove","touchend",(e=>[...e.changedTouches].find((e=>e.identifier===t))))}})));const 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RGBA_ASTC_8x6_Format,Qs as RGBA_ASTC_8x8_Format,Ws as RGBA_BPTC_Format,Ss as RGBA_ETC2_EAC_Format,Fs as RGBA_PVRTC_2BPPV1_Format,Es as RGBA_PVRTC_4BPPV1_Format,ws as RGBA_S3TC_DXT1_Format,Ps as RGBA_S3TC_DXT3_Format,xs as RGBA_S3TC_DXT5_Format,cs as RGBFormat,Is as RGB_ETC1_Format,Ds as RGB_ETC2_Format,Ms as RGB_PVRTC_2BPPV1_Format,Cs as RGB_PVRTC_4BPPV1_Format,Bs as RGB_S3TC_DXT1_Format,vs as RGFormat,bs as RGIntegerFormat,bi as ReadableGeometry,ms as RedFormat,_s as RedIntegerFormat,nd as ReflectionMap,Qi as RepeatWrapping,KC as STLDefaultDataSource,tM as STLLoaderPlugin,hu as SceneModel,on as SceneModelMesh,tu as SceneModelTransform,Zr as SectionPlane,DC as SectionPlanesPlugin,ts as ShortType,_d as Skybox,zC as SkyboxesPlugin,fo as SpecularMaterial,Qu as SplineCurve,ld as SpriteMarker,UC as StoreyViewsPlugin,Po as Texture,vd as TextureTranscoder,rM as TreeViewPlugin,$i as UnsignedByteType,As as UnsignedInt248Type,rs as UnsignedIntType,as as UnsignedShort4444Type,ls as 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getKTX2TextureTranscoder,se as getPlaneRTCPos,Vo as isTriangleMeshSolid,Io as load3DSGeometry,Do as loadOBJGeometry,d as math,en as meshSurfaceArea,Ko as meshVolume,K as os,ie as rtcToWorldPos,Js as sRGBEncoding,Q as setFrustum,m as stats,Qe as touchPointSelector,De as transformToNode,y as utils,ee as worldToRTCPos,te as worldToRTCPositions};
diff --git a/dist/xeokit-sdk.min.es5.js b/dist/xeokit-sdk.min.es5.js
index 3d9b82189..24f547815 100644
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+++ b/dist/xeokit-sdk.min.es5.js
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this},F.prototype.next=function(e){return this._invoke("next",e)},F.prototype.throw=function(e){return this._invoke("throw",e)},F.prototype.return=function(e){return this._invoke("return",e)};var S,T,R,L,U,O,N,Q,V,H,j,G=function(){function e(t,i){P(this,e),this.items=t||[],this._lastUniqueId=(i||0)+1}return C(e,[{key:"addItem",value:function(){var e;if(2===arguments.length){var t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){var i=this._lastUniqueId++;if(!this.items[i])return this.items[i]=e,i}}},{key:"removeItem",value:function(e){var t=this.items[e];return delete this.items[e],t}}]),e}(),z=new G,K=C((function e(t){P(this,e),this.id=t,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0})),W=C((function e(){P(this,e),this.items=[]})),X=C((function e(t,i,r,s,n){P(this,e),this.id=t,this.getTitle=i,this.doAction=r,this.getEnabled=s,this.getShown=n,this.itemElement=null,this.subMenu=null,this.enabled=!0})),J=function(){function e(){var t=this,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this._id=z.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==i.hideOnMouseDown&&(document.addEventListener("mousedown",(function(e){e.target.classList.contains("xeokit-context-menu-item")||t.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){e.target.classList.contains("xeokit-context-menu-item")||t.hide()})),i.items&&(this.items=i.items),this._hideOnAction=!1!==i.hideOnAction,this.context=i.context,this.enabled=!1!==i.enabled,this.hide()}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"items",get:function(){return this._itemsCfg},set:function(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}},{key:"enabled",get:function(){return this._enabled},set:function(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}},{key:"context",get:function(){return this._context},set:function(e){this._context=e}},{key:"show",value:function(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}},{key:"shown",get:function(){return this._shown}},{key:"hide",value:function(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}},{key:"destroy",value:function(){this._context=null,this._clear(),null!==this._id&&(z.removeItem(this._id),this._id=null)}},{key:"_clear",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e].menuElement;i.parentElement.removeChild(i)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}},{key:"_parseItems",value:function(e){var t=this;this._rootMenu=function e(i){for(var r=t._getNextId(),s=new K(r),n=0,o=i.length;n<o;n++){var a=i[n],l=new W;s.groups.push(l);for(var u=function(i,r){var n=a[i],o=n.items,u=o&&o.length>0,c=t._getNextId(),A=n.getTitle||function(){return n.title||""},h=n.doAction||n.callback||function(){},d=n.getEnabled||function(){return!0},p=n.getShown||function(){return!0},f=new X(c,A,h,d,p);if(f.parentMenu=s,l.items.push(f),u){var v=e(o);f.subMenu=v,v.parentItem=f}t._itemList.push(f),t._itemMap[f.id]=f},c=0,A=a.length;c<A;c++)u(c)}return t._menuList.push(s),t._menuMap[s.id]=s,s}(e)}},{key:"_getNextId",value:function(){return"ContextMenu_"+this._id+"_"+this._nextId++}},{key:"_createUI",value:function(){var e=this;!function t(i){e._createMenuUI(i);for(var r=i.groups,s=0,n=r.length;s<n;s++)for(var o=r[s].items,a=0,l=o.length;a<l;a++){var u=o[a].subMenu;u&&t(u)}}(this._rootMenu)}},{key:"_createMenuUI",value:function(e){var t=this,i=e.groups,r=[];if(r.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),r.push("<ul>"),i)for(var s=0,n=i.length;s<n;s++){var o=s,a=n,l=i[s].items;if(l)for(var u=0,c=l.length;u<c;u++){var A=l[u],h=A.subMenu,d=A.title||"";h?(r.push('<li id="'+A.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+d+"</li>"),o===a-1||u<c-1||r.push('<li id="'+A.id+'" class="xeokit-context-menu-item-separator"></li>')):(r.push('<li id="'+A.id+'" class="xeokit-context-menu-item">'+d+"</li>"),o===a-1||u<c-1||r.push('<li id="'+A.id+'" class="xeokit-context-menu-item-separator"></li>'))}}r.push("</ul>"),r.push("</div>");var p=r.join("");document.body.insertAdjacentHTML("beforeend",p);var f=document.querySelector("."+e.id);e.menuElement=f,f.style["border-radius"]="4px",f.style.display="none",f.style["z-index"]=3e5,f.style.background="white",f.style.border="1px solid black",f.style["box-shadow"]="0 4px 5px 0 gray",f.oncontextmenu=function(e){e.preventDefault()};var v=this,g=null;if(i)for(var m=0,_=i.length;m<_;m++){var y=i[m].items;if(y)for(var b=function(e,i){var r=y[e],s=r.subMenu;if(r.itemElement=document.getElementById(r.id),!r.itemElement)return console.error("ContextMenu item element not found: "+r.id),"continue";r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault();var t=r.subMenu;if(t){if(g&&g.id!==t.id&&(v._hideMenu(g.id),g=null),!1!==r.enabled){var i=r.itemElement,s=t.menuElement,n=i.getBoundingClientRect();s.getBoundingClientRect();var o=200,a=n.right+o<window.innerWidth,l=n.left-o>0;if(a)v._showMenu(t.id,n.right-5,n.top-1);else if(l)v._showMenu(t.id,n.left-o,n.top-1);else{var u=n.left,c=window.innerWidth-n.right;c>u?v._showMenu(t.id,n.right-5-(o-c),n.top-1):v._showMenu(t.id,n.left-u,n.top-1)}g=t}}else g&&(v._hideMenu(g.id),g=null)})),s||(r.itemElement.addEventListener("click",(function(e){e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus()))})),r.itemElement.addEventListener("mouseup",(function(e){3===e.which&&(e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus())))})),r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault(),!1!==r.enabled&&r.doHover&&r.doHover(v._context)})))},B=0,w=y.length;B<w;B++)b(B)}}},{key:"_updateItemsTitles",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getShown;if(s&&s(this._context)){var n=i.getTitle(this._context);i.subMenu,r.innerText=n}}}}},{key:"_updateItemsEnabledStatus",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getEnabled;if(s){var n=i.getShown;if(n){var o=n(this._context);if(i.shown=o,o){r.style.display="";var a=s(this._context);i.enabled=a,a?r.classList.remove("disabled"):r.classList.add("disabled")}else r.style.display="none"}}}}}},{key:"_updateSubMenuInfo",value:function(){var e,t,i,r,s,n;this._context&&this._itemList.forEach((function(o){o.subMenu&&(e=o.itemElement,t=e.getBoundingClientRect(),i=o.subMenu.menuElement,r={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",n=o.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=r.visibility,i.style.display=r.display,s=t.right+n>window.innerWidth,e.setAttribute("data-submenuposition",s?"left":"right"))}))}},{key:"_showMenu",value:function(e,t,i){var r=this._menuMap[e];if(r){if(!r.shown){var s=r.menuElement;s&&(this._showMenuElement(s,t,i),r.shown=!0)}}else console.error("Menu not found: "+e)}},{key:"_hideMenu",value:function(e){var t=this._menuMap[e];if(t){if(t.shown){var i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}}else console.error("Menu not found: "+e)}},{key:"_hideAllMenus",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e];this._hideMenu(i.id)}}},{key:"_showMenuElement",value:function(e,t,i){e.style.display="block";var r=e.offsetHeight,s=e.offsetWidth;i+r>window.innerHeight&&(i=window.innerHeight-r),t+s>window.innerWidth&&(t=window.innerWidth-s),e.style.left=t+"px",e.style.top=i+"px"}},{key:"_hideMenuElement",value:function(e){e.style.display="none"}}]),e}(),Y=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this.viewer=t,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._lensCursorDiv,this.viewer.scene.canvas.canvas),this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red",this._lensCursorDiv.style.borderRadius="20px",this._lensCursorDiv.style.width="10px",this._lensCursorDiv.style.height="10px",this._lensCursorDiv.style.margin="-200px -200px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=r.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width="300px",this._lensContainer.style.height="300px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id="".concat(this._lensContainerId,"-canvas"),this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width="300px",this._lensCanvas.style.height="300px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=r.lensPosToggle||!0,this._lensPosToggleAmount=r.lensPosToggleAmount||85,this._lensPosMarginLeft=r.lensPosMarginLeft||85,this._lensPosMarginTop=r.lensPosMarginTop||25,this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),this._zoomLevel=r.zoomLevel||2,this._active=!1!==r.active,this._visible=!1,this._snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(function(){i._active&&i._visible&&i.update()}))}return C(e,[{key:"update",value:function(){if(this._active&&this._visible&&this._canvasPos){var e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),i&&(this._lensPosToggle?this._lensContainer.style.marginTop="".concat(t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount,"px"):this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var r=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-r/2,this._canvasPos[1]-r/2,r,r,0,0,this._lensCanvas.width,this._lensCanvas.height);var s=[(e.left+e.right)/2-t.left,(e.top+e.bottom)/2-t.top];if(this._snappedCanvasPos){var n=this._snappedCanvasPos[0]-this._canvasPos[0],o=this._snappedCanvasPos[1]-this._canvasPos[1];this._lensCursorDiv.style.marginLeft="".concat(s[0]+n*this._zoomLevel-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]+o*this._zoomLevel-10,"px")}else this._lensCursorDiv.style.marginLeft="".concat(s[0]-10,"px"),this._lensCursorDiv.style.marginTop="".concat(s[1]-10,"px")}}},{key:"zoomFactor",get:function(){return this._zoomFactor},set:function(e){this._zoomFactor=e,this.update()}},{key:"canvasPos",get:function(){return this._canvasPos},set:function(e){this._canvasPos=e,this.update()}},{key:"snappedCanvasPos",get:function(){return this._snappedCanvasPos},set:function(e){this._snappedCanvasPos=e,this.update()}},{key:"snapped",get:function(){return this._snapped},set:function(e){this._snapped=e,e?(this._lensCursorDiv.style.background="greenyellow",this._lensCursorDiv.style.border="2px solid green"):(this._lensCursorDiv.style.background="pink",this._lensCursorDiv.style.border="2px solid red")}},{key:"active",get:function(){return this._active},set:function(e){this._active=e,this._lensContainer.style.visibility=e&&this._visible?"visible":"hidden",e&&this._visible||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=e,this._lensContainer.style.visibility=e&&this._active?"visible":"hidden",e&&this._active||(this._lensCursorDiv.style.marginLeft="-100px",this._lensCursorDiv.style.marginTop="-100px"),this.update()}},{key:"destroy",value:function(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}]),e}(),Z=!0,q=Z?Float64Array:Float32Array,$=new q(3),ee=new q(16),te=new q(16),ie=new 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q(2),s=0,n=e.length;s<n;s++)re.splitDouble(e[s],r),t[s]=r[0],i[s]=r[1]},splitDouble:function(e,t){var i=q.from([e])[0],r=e-i;t[0]=i,t[1]=r},createUUID:function(){for(var e=[],t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return function(){var t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,r=4294967295*Math.random()|0,s=4294967295*Math.random()|0;return"".concat(e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255],"-").concat(e[255&i]).concat(e[i>>8&255],"-").concat(e[i>>16&15|64]).concat(e[i>>24&255],"-").concat(e[63&r|128]).concat(e[r>>8&255],"-").concat(e[r>>16&255]).concat(e[r>>24&255]).concat(e[255&s]).concat(e[s>>8&255]).concat(e[s>>16&255]).concat(e[s>>24&255])}}(),clamp:function(e,t,i){return Math.max(t,Math.min(i,e))},fmod:function(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]},negateVec3:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t},negateVec4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t},addVec4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i},addVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i},addVec3:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i},addVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i},subVec4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i},subVec3:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i},subVec2:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i},geometricMeanVec2:function(){for(var e=arguments.length,t=new Array(e),i=0;i<e;i++)t[i]=arguments[i];for(var r=new q(t[0]),s=1;s<t.length;s++)r[0]+=t[s][0],r[1]+=t[s][1];return r[0]/=t.length,r[1]/=t.length,r},subVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i},subScalarVec4:function(e,t,i){return i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i},mulVec4:function(e,t,i){return i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i},mulVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i},mulVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i},mulVec2Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i},divVec3:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i},divVec4:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i},divScalarVec3:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i},divVec3Scalar:function(e,t,i){return 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i=0,r=(t=Array.prototype.slice.call(t)).length;i<r;i++)t[i]=e(t[i]);return t}}(),xyzArrayToObject:function(e){return{x:e[0],y:e[1],z:e[2]}},xyzObjectToArray:function(e,t){return(t=t||re.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t},dupMat4:function(e){return e.slice(0,16)},mat4To3:function(e){return[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]]},m4s:function(e){return[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e]},setMat4ToZeroes:function(){return re.m4s(0)},setMat4ToOnes:function(){return re.m4s(1)},diagonalMat4v:function(e){return new q([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]])},diagonalMat4c:function(e,t,i,r){return re.diagonalMat4v([e,t,i,r])},diagonalMat4s:function(e){return re.diagonalMat4c(e,e,e,e)},identityMat4:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(16);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},identityMat3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(9);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e},isIdentityMat4:function(e){return 1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15]},negateMat4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t},addMat4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i},addMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i},addScalarMat4:function(e,t,i){return re.addMat4Scalar(t,e,i)},subMat4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i},subMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i},subScalarMat4:function(e,t,i){return i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i},mulMat4:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=e[3],a=e[4],l=e[5],u=e[6],c=e[7],A=e[8],h=e[9],d=e[10],p=e[11],f=e[12],v=e[13],g=e[14],m=e[15],_=t[0],y=t[1],b=t[2],B=t[3],w=t[4],P=t[5],x=t[6],C=t[7],M=t[8],E=t[9],F=t[10],k=t[11],I=t[12],D=t[13],S=t[14],T=t[15];return i[0]=_*r+y*a+b*A+B*f,i[1]=_*s+y*l+b*h+B*v,i[2]=_*n+y*u+b*d+B*g,i[3]=_*o+y*c+b*p+B*m,i[4]=w*r+P*a+x*A+C*f,i[5]=w*s+P*l+x*h+C*v,i[6]=w*n+P*u+x*d+C*g,i[7]=w*o+P*c+x*p+C*m,i[8]=M*r+E*a+F*A+k*f,i[9]=M*s+E*l+F*h+k*v,i[10]=M*n+E*u+F*d+k*g,i[11]=M*o+E*c+F*p+k*m,i[12]=I*r+D*a+S*A+T*f,i[13]=I*s+D*l+S*h+T*v,i[14]=I*n+D*u+S*d+T*g,i[15]=I*o+D*c+S*p+T*m,i},mulMat3:function(e,t,i){i||(i=new q(9));var r=e[0],s=e[3],n=e[6],o=e[1],a=e[4],l=e[7],u=e[2],c=e[5],A=e[8],h=t[0],d=t[3],p=t[6],f=t[1],v=t[4],g=t[7],m=t[2],_=t[5],y=t[8];return i[0]=r*h+s*f+n*m,i[3]=r*d+s*v+n*_,i[6]=r*p+s*g+n*y,i[1]=o*h+a*f+l*m,i[4]=o*d+a*v+l*_,i[7]=o*p+a*g+l*y,i[2]=u*h+c*f+A*m,i[5]=u*d+c*v+A*_,i[8]=u*p+c*g+A*y,i},mulMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i},mulMat4v4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=t[0],s=t[1],n=t[2],o=t[3];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},transposeMat4:function(e,t){var i=e[4],r=e[14],s=e[8],n=e[13],o=e[12],a=e[9];if(!t||e===t){var l=e[1],u=e[2],c=e[3],A=e[6],h=e[7],d=e[11];return e[1]=i,e[2]=s,e[3]=o,e[4]=l,e[6]=a,e[7]=n,e[8]=u,e[9]=A,e[11]=r,e[12]=c,e[13]=h,e[14]=d,e}return t[0]=e[0],t[1]=i,t[2]=s,t[3]=o,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=n,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=r,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3:function(e,t){if(t===e){var i=e[1],r=e[2],s=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=r,t[7]=s}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4:function(e){var t=e[0],i=e[1],r=e[2],s=e[3],n=e[4],o=e[5],a=e[6],l=e[7],u=e[8],c=e[9],A=e[10],h=e[11],d=e[12],p=e[13],f=e[14],v=e[15];return d*c*a*s-u*p*a*s-d*o*A*s+n*p*A*s+u*o*f*s-n*c*f*s-d*c*r*l+u*p*r*l+d*i*A*l-t*p*A*l-u*i*f*l+t*c*f*l+d*o*r*h-n*p*r*h-d*i*a*h+t*p*a*h+n*i*f*h-t*o*f*h-u*o*r*v+n*c*r*v+u*i*a*v-t*c*a*v-n*i*A*v+t*o*A*v},inverseMat4:function(e,t){t||(t=e);var i=e[0],r=e[1],s=e[2],n=e[3],o=e[4],a=e[5],l=e[6],u=e[7],c=e[8],A=e[9],h=e[10],d=e[11],p=e[12],f=e[13],v=e[14],g=e[15],m=i*a-r*o,_=i*l-s*o,y=i*u-n*o,b=r*l-s*a,B=r*u-n*a,w=s*u-n*l,P=c*f-A*p,x=c*v-h*p,C=c*g-d*p,M=A*v-h*f,E=A*g-d*f,F=h*g-d*v,k=1/(m*F-_*E+y*M+b*C-B*x+w*P);return t[0]=(a*F-l*E+u*M)*k,t[1]=(-r*F+s*E-n*M)*k,t[2]=(f*w-v*B+g*b)*k,t[3]=(-A*w+h*B-d*b)*k,t[4]=(-o*F+l*C-u*x)*k,t[5]=(i*F-s*C+n*x)*k,t[6]=(-p*w+v*y-g*_)*k,t[7]=(c*w-h*y+d*_)*k,t[8]=(o*E-a*C+u*P)*k,t[9]=(-i*E+r*C-n*P)*k,t[10]=(p*B-f*y+g*m)*k,t[11]=(-c*B+A*y-d*m)*k,t[12]=(-o*M+a*x-l*P)*k,t[13]=(i*M-r*x+s*P)*k,t[14]=(-p*b+f*_-v*m)*k,t[15]=(c*b-A*_+h*m)*k,t},traceMat4:function(e){return e[0]+e[5]+e[10]+e[15]},translationMat4v:function(e,t){var i=t||re.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v:function(e,t){var i=t||re.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(H=new q(3),function(e,t,i,r){return H[0]=e,H[1]=t,H[2]=i,re.translationMat4v(H,r)}),translationMat4s:function(e,t){return re.translationMat4c(e,e,e,t)},translateMat4v:function(e,t){return re.translateMat4c(e[0],e[1],e[2],t)},translateMat4c:function(e,t,i,r){var s=r[3];r[0]+=s*e,r[1]+=s*t,r[2]+=s*i;var n=r[7];r[4]+=n*e,r[5]+=n*t,r[6]+=n*i;var o=r[11];r[8]+=o*e,r[9]+=o*t,r[10]+=o*i;var a=r[15];return r[12]+=a*e,r[13]+=a*t,r[14]+=a*i,r},setMat4Translation:function(e,t,i){return i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i},rotationMat4v:function(e,t,i){var r,s,n,o,a,l,u=re.normalizeVec4([t[0],t[1],t[2],0],[]),c=Math.sin(e),A=Math.cos(e),h=1-A,d=u[0],p=u[1],f=u[2];return r=d*p,s=p*f,n=f*d,o=d*c,a=p*c,l=f*c,(i=i||re.mat4())[0]=h*d*d+A,i[1]=h*r+l,i[2]=h*n-a,i[3]=0,i[4]=h*r-l,i[5]=h*p*p+A,i[6]=h*s+o,i[7]=0,i[8]=h*n+a,i[9]=h*s-o,i[10]=h*f*f+A,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:function(e,t,i,r,s){return re.rotationMat4v(e,[t,i,r],s)},scalingMat4v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat4();return t[0]=e[0],t[5]=e[1],t[10]=e[2],t},scalingMat3v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat3();return t[0]=e[0],t[4]=e[1],t},scalingMat4c:function(){var e=new q(3);return function(t,i,r,s){return e[0]=t,e[1]=i,e[2]=r,re.scalingMat4v(e,s)}}(),scaleMat4c:function(e,t,i,r){return r[0]*=e,r[4]*=t,r[8]*=i,r[1]*=e,r[5]*=t,r[9]*=i,r[2]*=e,r[6]*=t,r[10]*=i,r[3]*=e,r[7]*=t,r[11]*=i,r},scaleMat4v:function(e,t){var i=e[0],r=e[1],s=e[2];return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,t},scalingMat4s:function(e){return re.scalingMat4c(e,e,e)},rotationTranslationMat4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.mat4(),r=e[0],s=e[1],n=e[2],o=e[3],a=r+r,l=s+s,u=n+n,c=r*a,A=r*l,h=r*u,d=s*l,p=s*u,f=n*u,v=o*a,g=o*l,m=o*u;return i[0]=1-(d+f),i[1]=A+m,i[2]=h-g,i[3]=0,i[4]=A-m,i[5]=1-(c+f),i[6]=p+v,i[7]=0,i[8]=h+g,i[9]=p-v,i[10]=1-(c+d),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=re.clamp,s=e[0],n=e[4],o=e[8],a=e[1],l=e[5],u=e[9],c=e[2],A=e[6],h=e[10];return"XYZ"===t?(i[1]=Math.asin(r(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(-u,h),i[2]=Math.atan2(-n,s)):(i[0]=Math.atan2(A,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-r(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(o,h),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-c,s),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(r(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(-c,h),i[2]=Math.atan2(-n,l)):(i[1]=0,i[2]=Math.atan2(a,s))):"ZYX"===t?(i[1]=Math.asin(-r(c,-1,1)),Math.abs(c)<.99999?(i[0]=Math.atan2(A,h),i[2]=Math.atan2(a,s)):(i[0]=0,i[2]=Math.atan2(-n,l))):"YZX"===t?(i[2]=Math.asin(r(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-u,l),i[1]=Math.atan2(-c,s)):(i[0]=0,i[1]=Math.atan2(o,h))):"XZY"===t&&(i[2]=Math.asin(-r(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(A,l),i[1]=Math.atan2(o,s)):(i[0]=Math.atan2(-u,h),i[1]=0)),i},composeMat4:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:re.mat4();return re.quaternionToRotationMat4(t,r),re.scaleMat4v(i,r),re.translateMat4v(e,r),r},decomposeMat4:function(){var e=new q(3),t=new q(16);return function(i,r,s,n){e[0]=i[0],e[1]=i[1],e[2]=i[2];var o=re.lenVec3(e);e[0]=i[4],e[1]=i[5],e[2]=i[6];var a=re.lenVec3(e);e[8]=i[8],e[9]=i[9],e[10]=i[10];var l=re.lenVec3(e);re.determinantMat4(i)<0&&(o=-o),r[0]=i[12],r[1]=i[13],r[2]=i[14],t.set(i);var u=1/o,c=1/a,A=1/l;return t[0]*=u,t[1]*=u,t[2]*=u,t[4]*=c,t[5]*=c,t[6]*=c,t[8]*=A,t[9]*=A,t[10]*=A,re.mat4ToQuaternion(t,s),n[0]=o,n[1]=a,n[2]=l,this}}(),getColMat4:function(e,t){var i=4*t;return[e[i],e[i+1],e[i+2],e[i+3]]},setRowMat4:function(e,t,i){e[t]=i[0],e[t+4]=i[1],e[t+8]=i[2],e[t+12]=i[3]},lookAtMat4v:function(e,t,i,r){r||(r=re.mat4());var s,n,o,a,l,u,c,A,h,d,p=e[0],f=e[1],v=e[2],g=i[0],m=i[1],_=i[2],y=t[0],b=t[1],B=t[2];return p===y&&f===b&&v===B?re.identityMat4():(s=p-y,n=f-b,o=v-B,a=m*(o*=d=1/Math.sqrt(s*s+n*n+o*o))-_*(n*=d),l=_*(s*=d)-g*o,u=g*n-m*s,(d=Math.sqrt(a*a+l*l+u*u))?(a*=d=1/d,l*=d,u*=d):(a=0,l=0,u=0),c=n*u-o*l,A=o*a-s*u,h=s*l-n*a,(d=Math.sqrt(c*c+A*A+h*h))?(c*=d=1/d,A*=d,h*=d):(c=0,A=0,h=0),r[0]=a,r[1]=c,r[2]=s,r[3]=0,r[4]=l,r[5]=A,r[6]=n,r[7]=0,r[8]=u,r[9]=h,r[10]=o,r[11]=0,r[12]=-(a*p+l*f+u*v),r[13]=-(c*p+A*f+h*v),r[14]=-(s*p+n*f+o*v),r[15]=1,r)},lookAtMat4c:function(e,t,i,r,s,n,o,a,l){return re.lookAtMat4v([e,t,i],[r,s,n],[o,a,l],[])},orthoMat4c:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2/l,o[6]=0,o[7]=0,o[8]=0,o[9]=0,o[10]=-2/u,o[11]=0,o[12]=-(e+t)/a,o[13]=-(r+i)/l,o[14]=-(n+s)/u,o[15]=1,o},frustumMat4v:function(e,t,i){i||(i=re.mat4());var r=[e[0],e[1],e[2],0],s=[t[0],t[1],t[2],0];re.addVec4(s,r,ee),re.subVec4(s,r,te);var n=2*r[2],o=te[0],a=te[1],l=te[2];return i[0]=n/o,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=n/a,i[6]=0,i[7]=0,i[8]=ee[0]/o,i[9]=ee[1]/a,i[10]=-ee[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-n*s[2]/l,i[15]=0,i},frustumMat4:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2*s/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2*s/l,o[6]=0,o[7]=0,o[8]=(t+e)/a,o[9]=(r+i)/l,o[10]=-(n+s)/u,o[11]=-1,o[12]=0,o[13]=0,o[14]=-n*s*2/u,o[15]=0,o},perspectiveMat4:function(e,t,i,r,s){var n=[],o=[];return n[2]=i,o[2]=r,o[1]=n[2]*Math.tan(e/2),n[1]=-o[1],o[0]=o[1]*t,n[0]=-o[0],re.frustumMat4v(n,o,s)},compareMat4:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]},transformPoint3:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12],i[1]=e[1]*r+e[5]*s+e[9]*n+e[13],i[2]=e[2]*r+e[6]*s+e[10]*n+e[14],i},transformPoint4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4();return i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i},transformPoints3:function(e,t,i){for(var r,s,n,o,a,l=i||[],u=t.length,c=e[0],A=e[1],h=e[2],d=e[3],p=e[4],f=e[5],v=e[6],g=e[7],m=e[8],_=e[9],y=e[10],b=e[11],B=e[12],w=e[13],P=e[14],x=e[15],C=0;C<u;++C)r=(o=t[C])[0],s=o[1],n=o[2],(a=l[C]||(l[C]=[0,0,0]))[0]=c*r+p*s+m*n+B,a[1]=A*r+f*s+_*n+w,a[2]=h*r+v*s+y*n+P,a[3]=d*r+g*s+b*n+x;return l.length=u,l},transformPositions3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2];e[3];var A=e[4],h=e[5],d=e[6];e[7];var p=e[8],f=e[9],v=e[10];e[11];var g=e[12],m=e[13],_=e[14];for(e[15],i=0;i<a;i+=3)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+A*s+p*n+g,o[i+1]=u*r+h*s+f*n+m,o[i+2]=c*r+d*s+v*n+_;return o},transformPositions4:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2],A=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],B=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=c*r+p*s+m*n+B,o[i+3]=A*r+f*s+_*n+w;return o},transformVec3:function(e,t,i){var r=t[0],s=t[1],n=t[2];return(i=i||this.vec3())[0]=e[0]*r+e[4]*s+e[8]*n,i[1]=e[1]*r+e[5]*s+e[9]*n,i[2]=e[2]*r+e[6]*s+e[10]*n,i},transformVec4:function(e,t,i){var r=t[0],s=t[1],n=t[2],o=t[3];return(i=i||re.vec4())[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},rotateVec2:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:e,s=Math.cos(i),n=Math.sin(i),o=e[0]-t[0],a=e[1]-t[1];return r[0]=o*s-a*n+t[0],r[1]=o*n+a*s+t[1],e},rotateVec3X:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0],n[1]=s[1]*Math.cos(i)-s[2]*Math.sin(i),n[2]=s[1]*Math.sin(i)+s[2]*Math.cos(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Y:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[2]*Math.sin(i)+s[0]*Math.cos(i),n[1]=s[1],n[2]=s[2]*Math.cos(i)-s[0]*Math.sin(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Z:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0]*Math.cos(i)-s[1]*Math.sin(i),n[1]=s[0]*Math.sin(i)+s[1]*Math.cos(i),n[2]=s[2],r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},projectVec4:function(e,t){var i=1/e[3];return(t=t||re.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(N=new q(16),Q=new q(16),V=new q(16),function(e,t,i,r){return this.transformVec3(this.mulMat4(this.inverseMat4(t,N),this.inverseMat4(i,Q),V),e,r)}),lerpVec3:function(e,t,i,r,s,n){var o=n||re.vec3(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o},lerpMat4:function(e,t,i,r,s,n){var o=n||re.mat4(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o[3]=r[3]+a*(s[3]-r[3]),o[4]=r[4]+a*(s[4]-r[4]),o[5]=r[5]+a*(s[5]-r[5]),o[6]=r[6]+a*(s[6]-r[6]),o[7]=r[7]+a*(s[7]-r[7]),o[8]=r[8]+a*(s[8]-r[8]),o[9]=r[9]+a*(s[9]-r[9]),o[10]=r[10]+a*(s[10]-r[10]),o[11]=r[11]+a*(s[11]-r[11]),o[12]=r[12]+a*(s[12]-r[12]),o[13]=r[13]+a*(s[13]-r[13]),o[14]=r[14]+a*(s[14]-r[14]),o[15]=r[15]+a*(s[15]-r[15]),o},flatten:function(e){var t,i,r,s,n,o=[];for(t=0,i=e.length;t<i;t++)for(r=0,s=(n=e[t]).length;r<s;r++)o.push(n[r]);return o},identityQuaternion:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.vec4();return e[0]=0,e[1]=0,e[2]=0,e[3]=1,e},eulerToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0]*re.DEGTORAD/2,s=e[1]*re.DEGTORAD/2,n=e[2]*re.DEGTORAD/2,o=Math.cos(r),a=Math.cos(s),l=Math.cos(n),u=Math.sin(r),c=Math.sin(s),A=Math.sin(n);return"XYZ"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l-u*c*A):"YXZ"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l+u*c*A):"ZXY"===t?(i[0]=u*a*l-o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l-u*c*A):"ZYX"===t?(i[0]=u*a*l-o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l+u*c*A):"YZX"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l-u*c*A):"XZY"===t&&(i[0]=u*a*l-o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l+u*c*A),i},mat4ToQuaternion:function(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),r=e[0],s=e[4],n=e[8],o=e[1],a=e[5],l=e[9],u=e[2],c=e[6],A=e[10],h=r+a+A;return h>0?(t=.5/Math.sqrt(h+1),i[3]=.25/t,i[0]=(c-l)*t,i[1]=(n-u)*t,i[2]=(o-s)*t):r>a&&r>A?(t=2*Math.sqrt(1+r-a-A),i[3]=(c-l)/t,i[0]=.25*t,i[1]=(s+o)/t,i[2]=(n+u)/t):a>A?(t=2*Math.sqrt(1+a-r-A),i[3]=(n-u)/t,i[0]=(s+o)/t,i[1]=.25*t,i[2]=(l+c)/t):(t=2*Math.sqrt(1+A-r-a),i[3]=(o-s)/t,i[0]=(n+u)/t,i[1]=(l+c)/t,i[2]=.25*t),i},vec3PairToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=Math.sqrt(re.dotVec3(e,e)*re.dotVec3(t,t)),s=r+re.dotVec3(e,t);return s<1e-8*r?(s=0,Math.abs(e[0])>Math.abs(e[2])?(i[0]=-e[1],i[1]=e[0],i[2]=0):(i[0]=0,i[1]=-e[2],i[2]=e[1])):re.cross3Vec3(e,t,i),i[3]=s,re.normalizeQuaternion(i)},angleAxisToQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),i=e[3]/2,r=Math.sin(i);return t[0]=r*e[0],t[1]=r*e[1],t[2]=r*e[2],t[3]=Math.cos(i),t},quaternionToEuler:function(){var e=new q(16);return function(t,i,r){return r=r||re.vec3(),re.quaternionToRotationMat4(t,e),re.mat4ToEuler(e,i,r),r}}(),mulQuaternions:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0],s=e[1],n=e[2],o=e[3],a=t[0],l=t[1],u=t[2],c=t[3];return i[0]=o*a+r*c+s*u-n*l,i[1]=o*l+s*c+n*a-r*u,i[2]=o*u+n*c+r*l-s*a,i[3]=o*c-r*a-s*l-n*u,i},vec3ApplyQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2],o=e[0],a=e[1],l=e[2],u=e[3],c=u*r+a*n-l*s,A=u*s+l*r-o*n,h=u*n+o*s-a*r,d=-o*r-a*s-l*n;return i[0]=c*u+d*-o+A*-l-h*-a,i[1]=A*u+d*-a+h*-o-c*-l,i[2]=h*u+d*-l+c*-a-A*-o,i},quaternionToMat4:function(e,t){t=re.identityMat4(t);var i=e[0],r=e[1],s=e[2],n=e[3],o=2*i,a=2*r,l=2*s,u=o*n,c=a*n,A=l*n,h=o*i,d=a*i,p=l*i,f=a*r,v=l*r,g=l*s;return t[0]=1-(f+g),t[1]=d+A,t[2]=p-c,t[4]=d-A,t[5]=1-(h+g),t[6]=v+u,t[8]=p+c,t[9]=v-u,t[10]=1-(h+f),t},quaternionToRotationMat4:function(e,t){var i=e[0],r=e[1],s=e[2],n=e[3],o=i+i,a=r+r,l=s+s,u=i*o,c=i*a,A=i*l,h=r*a,d=r*l,p=s*l,f=n*o,v=n*a,g=n*l;return t[0]=1-(h+p),t[4]=c-g,t[8]=A+v,t[1]=c+g,t[5]=1-(u+p),t[9]=d-f,t[2]=A-v,t[6]=d+f,t[10]=1-(u+h),t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},normalizeQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e,i=re.lenVec4([e[0],e[1],e[2],e[3]]);return t[0]=e[0]/i,t[1]=e[1]/i,t[2]=e[2]/i,t[3]=e[3]/i,t},conjugateQuaternion:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e;return t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=e[3],t},inverseQuaternion:function(e,t){return re.normalizeQuaternion(re.conjugateQuaternion(e,t))},quaternionToAngleAxis:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),i=(e=re.normalizeQuaternion(e,ie))[3],r=2*Math.acos(i),s=Math.sqrt(1-i*i);return s<.001?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=e[0]/s,t[1]=e[1]/s,t[2]=e[2]/s),t[3]=r,t},AABB3:function(e){return new q(e||6)},AABB2:function(e){return new q(e||4)},OBB3:function(e){return new q(e||32)},OBB2:function(e){return new q(e||16)},Sphere3:function(e,t,i,r){return new q([e,t,i,r])},transformOBB3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2],A=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],B=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=c*r+p*s+m*n+B,o[i+3]=A*r+f*s+_*n+w;return o},containsAABB3:function(e,t){return e[0]<=t[0]&&t[3]<=e[3]&&e[1]<=t[1]&&t[4]<=e[4]&&e[2]<=t[2]&&t[5]<=e[5]},getAABB3Diag:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r){return e[0]=r[0],e[1]=r[1],e[2]=r[2],t[0]=r[3],t[1]=r[4],t[2]=r[5],re.subVec3(t,e,i),Math.abs(re.lenVec3(i))}}(),getAABB3DiagPoint:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r,s){e[0]=r[0],e[1]=r[1],e[2]=r[2],t[0]=r[3],t[1]=r[4],t[2]=r[5];var n=re.subVec3(t,e,i),o=s[0]-r[0],a=r[3]-s[0],l=s[1]-r[1],u=r[4]-s[1],c=s[2]-r[2],A=r[5]-s[2];return n[0]+=o>a?o:a,n[1]+=l>u?l:u,n[2]+=c>A?c:A,Math.abs(re.lenVec3(n))}}(),getAABB3Area:function(e){return(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2])},getAABB3Center:function(e,t){var i=t||re.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center:function(e,t){var i=t||re.vec2();return i[0]=(e[2]+e[0])/2,i[1]=(e[3]+e[1])/2,i},collapseAABB3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB3();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MAX_DOUBLE,e[3]=re.MIN_DOUBLE,e[4]=re.MIN_DOUBLE,e[5]=re.MIN_DOUBLE,e},AABB3ToOBB3:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.OBB3();return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,t[4]=e[3],t[5]=e[1],t[6]=e[2],t[7]=1,t[8]=e[3],t[9]=e[4],t[10]=e[2],t[11]=1,t[12]=e[0],t[13]=e[4],t[14]=e[2],t[15]=1,t[16]=e[0],t[17]=e[1],t[18]=e[5],t[19]=1,t[20]=e[3],t[21]=e[1],t[22]=e[5],t[23]=1,t[24]=e[3],t[25]=e[4],t[26]=e[5],t[27]=1,t[28]=e[0],t[29]=e[4],t[30]=e[5],t[31]=1,t},positions3ToAABB3:function(){var e=new q(3);return function(t,i,r){i=i||re.AABB3();for(var s,n,o,a=re.MAX_DOUBLE,l=re.MAX_DOUBLE,u=re.MAX_DOUBLE,c=re.MIN_DOUBLE,A=re.MIN_DOUBLE,h=re.MIN_DOUBLE,d=0,p=t.length;d<p;d+=3)r?(e[0]=t[d+0],e[1]=t[d+1],e[2]=t[d+2],re.decompressPosition(e,r,e),s=e[0],n=e[1],o=e[2]):(s=t[d+0],n=t[d+1],o=t[d+2]),s<a&&(a=s),n<l&&(l=n),o<u&&(u=o),s>c&&(c=s),n>A&&(A=n),o>h&&(h=o);return i[0]=a,i[1]=l,i[2]=u,i[3]=c,i[4]=A,i[5]=h,i}}(),OBB3ToAABB3:function(e){for(var t,i,r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.AABB3(),n=re.MAX_DOUBLE,o=re.MAX_DOUBLE,a=re.MAX_DOUBLE,l=re.MIN_DOUBLE,u=re.MIN_DOUBLE,c=re.MIN_DOUBLE,A=0,h=e.length;A<h;A+=4)(t=e[A+0])<n&&(n=t),(i=e[A+1])<o&&(o=i),(r=e[A+2])<a&&(a=r),t>l&&(l=t),i>u&&(u=i),r>c&&(c=r);return s[0]=n,s[1]=o,s[2]=a,s[3]=l,s[4]=u,s[5]=c,s},points3ToAABB3:function(e){for(var t,i,r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.AABB3(),n=re.MAX_DOUBLE,o=re.MAX_DOUBLE,a=re.MAX_DOUBLE,l=re.MIN_DOUBLE,u=re.MIN_DOUBLE,c=re.MIN_DOUBLE,A=0,h=e.length;A<h;A++)(t=e[A][0])<n&&(n=t),(i=e[A][1])<o&&(o=i),(r=e[A][2])<a&&(a=r),t>l&&(l=t),i>u&&(u=i),r>c&&(c=r);return s[0]=n,s[1]=o,s[2]=a,s[3]=l,s[4]=u,s[5]=c,s},points3ToSphere3:function(){var e=new q(3);return function(t,i){i=i||re.vec4();var r,s=0,n=0,o=0,a=t.length;for(r=0;r<a;r++)s+=t[r][0],n+=t[r][1],o+=t[r][2];i[0]=s/a,i[1]=n/a,i[2]=o/a;var l,u=0;for(r=0;r<a;r++)(l=Math.abs(re.lenVec3(re.subVec3(t[r],i,e))))>u&&(u=l);return i[3]=u,i}}(),positions3ToSphere3:function(){var e=new q(3),t=new q(3);return function(i,r){r=r||re.vec4();var s,n=0,o=0,a=0,l=i.length,u=0;for(s=0;s<l;s+=3)n+=i[s],o+=i[s+1],a+=i[s+2];var c,A=l/3;for(r[0]=n/A,r[1]=o/A,r[2]=a/A,s=0;s<l;s+=3)e[0]=i[s],e[1]=i[s+1],e[2]=i[s+2],(c=Math.abs(re.lenVec3(re.subVec3(e,r,t))))>u&&(u=c);return r[3]=u,r}}(),OBB3ToSphere3:function(){var e=new q(3),t=new q(3);return function(i,r){r=r||re.vec4();var s,n=0,o=0,a=0,l=i.length,u=l/4;for(s=0;s<l;s+=4)n+=i[s+0],o+=i[s+1],a+=i[s+2];r[0]=n/u,r[1]=o/u,r[2]=a/u;var c,A=0;for(s=0;s<l;s+=4)e[0]=i[s+0],e[1]=i[s+1],e[2]=i[s+2],(c=Math.abs(re.lenVec3(re.subVec3(e,r,t))))>A&&(A=c);return r[3]=A,r}}(),getSphere3Center:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3();return t[0]=e[0],t[1]=e[1],t[2]=e[2],t},getPositionsCenter:function(e){for(var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(),i=0,r=0,s=0,n=0,o=e.length;n<o;n+=3)i+=e[n+0],r+=e[n+1],s+=e[n+2];var a=e.length/3;return t[0]=i/a,t[1]=r/a,t[2]=s/a,t},expandAABB3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e[4]<t[4]&&(e[4]=t[4]),e[5]<t[5]&&(e[5]=t[5]),e},expandAABB3Point3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[0]&&(e[3]=t[0]),e[4]<t[1]&&(e[4]=t[1]),e[5]<t[2]&&(e[5]=t[2]),e},expandAABB3Points3:function(e,t){for(var i,r,s,n=0,o=t.length;n<o;n+=3)i=t[n],r=t[n+1],s=t[n+2],e[0]>i&&(e[0]=i),e[1]>r&&(e[1]=r),e[2]>s&&(e[2]=s),e[3]<i&&(e[3]=i),e[4]<r&&(e[4]=r),e[5]<s&&(e[5]=s);return e},collapseAABB2:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB2();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MIN_DOUBLE,e[3]=re.MIN_DOUBLE,e},point3AABB3Intersect:function(e,t){return e[0]>t[0]||e[3]<t[0]||e[1]>t[1]||e[4]<t[1]||e[2]>t[2]||e[5]<t[2]},point3AABB3AbsoluteIntersect:function(e,t){return e[0]<=t[0]&&e[3]>=t[0]&&e[1]<=t[1]&&e[4]>=t[1]&&e[2]<=t[2]&&e[5]>=t[2]},planeAABB3Intersect:function(e,t,i){var r,s;return e[0]>0?(r=e[0]*i[0],s=e[0]*i[3]):(r=e[0]*i[3],s=e[0]*i[0]),e[1]>0?(r+=e[1]*i[1],s+=e[1]*i[4]):(r+=e[1]*i[4],s+=e[1]*i[1]),e[2]>0?(r+=e[2]*i[2],s+=e[2]*i[5]):(r+=e[2]*i[5],s+=e[2]*i[2]),r<=-t&&s<=-t?-1:r>=-t&&s>=-t?1:0},OBB3ToAABB2:function(e){for(var t,i,r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.AABB2(),n=re.MAX_DOUBLE,o=re.MAX_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE,u=0,c=e.length;u<c;u+=4)t=e[u+0],i=e[u+1],(t*=r=1/(e[u+3]||1))<n&&(n=t),(i*=r)<o&&(o=i),t>a&&(a=t),i>l&&(l=i);return s[0]=n,s[1]=o,s[2]=a,s[3]=l,s},expandAABB2:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e},expandAABB2Point2:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[0]&&(e[2]=t[0]),e[3]<t[1]&&(e[3]=t[1]),e},AABB2ToCanvas:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:e,s=.5*(e[0]+1),n=.5*(e[1]+1),o=.5*(e[2]+1),a=.5*(e[3]+1);return r[0]=Math.floor(s*t),r[1]=i-Math.floor(a*i),r[2]=Math.floor(o*t),r[3]=i-Math.floor(n*i),r},tangentQuadraticBezier:function(e,t,i,r){return 2*(1-e)*(i-t)+2*e*(r-i)},tangentQuadraticBezier3:function(e,t,i,r,s){return-3*t*(1-e)*(1-e)+3*i*(1-e)*(1-e)-6*e*i*(1-e)+6*e*r*(1-e)-3*e*e*r+3*e*e*s},tangentSpline:function(e){return 6*e*e-6*e+(3*e*e-4*e+1)+(-6*e*e+6*e)+(3*e*e-2*e)},catmullRomInterpolate:function(e,t,i,r,s){var n=.5*(i-e),o=.5*(r-t),a=s*s;return(2*t-2*i+n+o)*(s*a)+(-3*t+3*i-2*n-o)*a+n*s+t},b2p0:function(e,t){var i=1-e;return i*i*t},b2p1:function(e,t){return 2*(1-e)*e*t},b2p2:function(e,t){return e*e*t},b2:function(e,t,i,r){return this.b2p0(e,t)+this.b2p1(e,i)+this.b2p2(e,r)},b3p0:function(e,t){var i=1-e;return i*i*i*t},b3p1:function(e,t){var i=1-e;return 3*i*i*e*t},b3p2:function(e,t){return 3*(1-e)*e*e*t},b3p3:function(e,t){return e*e*e*t},b3:function(e,t,i,r,s){return 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c=re.subVec3(a,o,t),A=re.subVec3(l,o,i),h=re.cross3Vec3(c,A,r);re.normalizeVec3(h,h);var d=-re.dotVec3(o,h),p=-(re.dotVec3(s,h)+d)/re.dotVec3(n,h);return u[0]=s[0]+p*n[0],u[1]=s[1]+p*n[1],u[2]=s[2]+p*n[2],u}}(),cartesianToBarycentric:function(){var e=new q(3),t=new q(3),i=new q(3);return function(r,s,n,o,a){var l=re.subVec3(o,s,e),u=re.subVec3(n,s,t),c=re.subVec3(r,s,i),A=re.dotVec3(l,l),h=re.dotVec3(l,u),d=re.dotVec3(l,c),p=re.dotVec3(u,u),f=re.dotVec3(u,c),v=A*p-h*h;if(0===v)return null;var g=1/v,m=(p*d-h*f)*g,_=(A*f-h*d)*g;return a[0]=1-m-_,a[1]=_,a[2]=m,a}}(),barycentricInsideTriangle:function(e){var t=e[1],i=e[2];return i>=0&&t>=0&&i+t<1},barycentricToCartesian:function(e,t,i,r){var s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:re.vec3(),n=e[0],o=e[1],a=e[2];return s[0]=t[0]*n+i[0]*o+r[0]*a,s[1]=t[1]*n+i[1]*o+r[1]*a,s[2]=t[2]*n+i[2]*o+r[2]*a,s},mergeVertices:function(e,t,i,r){var 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_=re.vec3();re.normalizeVec3(re.cross3Vec3(r,s,n),_),m[A]||(m[A]=[]),m[h]||(m[h]=[]),m[d]||(m[d]=[]),m[A].push(_),m[h].push(_),m[d].push(_)}for(l=l&&l.length===o.length?l:new Float32Array(o.length),u=0,c=m.length;u<c;u++){p=m[u].length,f=0,v=0,g=0;for(var y=0;y<p;y++)f+=m[u][y][0],v+=m[u][y][1],g+=m[u][y][2];l[3*u]=f/p,l[3*u+1]=v/p,l[3*u+2]=g/p}return l}}(),buildTangents:function(){var e=new q(3),t=new q(3),i=new q(3),r=new q(3),s=new q(3),n=new q(3),o=new q(3);return function(a,l,u){for(var c=new Float32Array(a.length),A=0;A<l.length;A+=3){var h=l[A],d=a.subarray(3*h,3*h+3),p=u.subarray(2*h,2*h+2);h=l[A+1];var f=a.subarray(3*h,3*h+3),v=u.subarray(2*h,2*h+2);h=l[A+2];for(var g=a.subarray(3*h,3*h+3),m=u.subarray(2*h,2*h+2),_=re.subVec3(f,d,e),y=re.subVec3(g,d,t),b=re.subVec2(v,p,i),B=re.subVec2(m,p,r),w=1/(b[0]*B[1]-b[1]*B[0]),P=re.mulVec3Scalar(re.subVec3(re.mulVec3Scalar(_,B[1],s),re.mulVec3Scalar(y,b[1],n),o),w,n),x=void 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y=re.normalizeVec3([t[l],t[l+1],t[l+2]]);v[a]=y,i=re.vec4([y[0],y[1],y[2],1]),g[a]=i}for(o in f)if(f.hasOwnProperty(o)){var b=f[o],B=b.length;for(l=0;l<B;l++){var w=b[l];for(i=g[w],u=0;u<B;u++)if(l!==u){var P=b[u];A=v[w],h=v[P];var x=Math.abs(re.angleVec3(A,h)/re.DEGTORAD);x<p&&(i[0]+=h[0],i[1]+=h[1],i[2]+=h[2],i[3]+=1)}}}for(l=0,c=t.length;l<c;l+=3)i=g[l/3],t[l+0]=i[0]/i[3],t[l+1]=i[1]/i[3],t[l+2]=i[2]/i[3]},transformRay:function(){var e=new q(4),t=new q(4);return function(i,r,s,n,o){e[0]=r[0],e[1]=r[1],e[2]=r[2],e[3]=1,re.transformVec4(i,e,t),n[0]=t[0],n[1]=t[1],n[2]=t[2],e[0]=s[0],e[1]=s[1],e[2]=s[2],re.transformVec3(i,e,t),re.normalizeVec3(t),o[0]=t[0],o[1]=t[1],o[2]=t[2]}}(),canvasPosToWorldRay:(R=new q(16),L=new q(4),U=new q(4),O=function(e,t,i,r,s){s[0]=e,s[1]=t,s[2]=i,s[3]=1,re.transformVec4(R,s,s),r||re.mulVec4Scalar(s,1/s[3])},function(e,t,i,r,s,n,o){var a="ortho"===r;re.mulMat4(i,t,R),re.inverseMat4(R,R);var l=2*s[0]/e.width-1,u=1-2*s[1]/e.height;O(l,u,-1,a,L),O(l,u,1,a,U),n[0]=L[0],n[1]=L[1],n[2]=L[2],re.subVec3(U,L,o),re.normalizeVec3(o)}),canvasPosToLocalRay:(S=new q(3),T=new q(3),function(e,t,i,r,s,n,o,a){re.canvasPosToWorldRay(e,t,i,r,n,S,T),re.worldRayToLocalRay(s,S,T,o,a)}),worldRayToLocalRay:function(){var e=new q(16),t=new q(4),i=new q(4);return function(r,s,n,o,a){var l=re.inverseMat4(r,e);t[0]=s[0],t[1]=s[1],t[2]=s[2],t[3]=1,re.transformVec4(l,t,i),o[0]=i[0],o[1]=i[1],o[2]=i[2],re.transformVec3(l,n,a)}}(),buildKDTree:function(){var e=new Float32Array;function t(i,r,s,n){var o,a,l=new q(6),u={triangles:null,left:null,right:null,leaf:!1,splitDim:0,aabb:l};for(l[0]=l[1]=l[2]=Number.POSITIVE_INFINITY,l[3]=l[4]=l[5]=Number.NEGATIVE_INFINITY,o=0,a=i.length;o<a;++o)for(var c=3*i[o],A=0;A<3;++A){var h=3*r[c+A];s[h]<l[0]&&(l[0]=s[h]),s[h]>l[3]&&(l[3]=s[h]),s[h+1]<l[1]&&(l[1]=s[h+1]),s[h+1]>l[4]&&(l[4]=s[h+1]),s[h+2]<l[2]&&(l[2]=s[h+2]),s[h+2]>l[5]&&(l[5]=s[h+2])}if(i.length<20||n>10)return u.triangles=i,u.leaf=!0,u;e[0]=l[3]-l[0],e[1]=l[4]-l[1],e[2]=l[5]-l[2];var d=0;e[1]>e[d]&&(d=1),e[2]>e[d]&&(d=2),u.splitDim=d;var p=(l[d]+l[d+3])/2,f=new Array(i.length),v=0,g=new Array(i.length),m=0;for(o=0,a=i.length;o<a;++o){var _=r[c=3*i[o]],y=3*r[c+1],b=3*r[c+2];s[3*_+d]<=p||s[y+d]<=p||s[b+d]<=p?f[v++]=i[o]:g[m++]=i[o]}return f.length=v,g.length=m,u.left=t(f,r,s,n+1),u.right=t(g,r,s,n+1),u}return function(e,i){for(var r=e.length/3,s=new Array(r),n=0;n<r;++n)s[n]=n;return t(s,e,i,0)}}(),decompressPosition:function(e,t,i){(i=i||e)[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14]},decompressPositions:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new 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e=[],t=[],i=[],r=[],s=[],n=0,o=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3();return function(v,g,m,_){!function(s,n){var o,a,l,u,c,A,h={},d=Math.pow(10,4),p=0;for(c=0,A=s.length;c<A;c+=3)o=s[c],a=s[c+1],l=s[c+2],void 0===h[u=Math.round(o*d)+"_"+Math.round(a*d)+"_"+Math.round(l*d)]&&(h[u]=p/3,e[p++]=o,e[p++]=a,e[p++]=l),t[c/3]=h[u];for(c=0,A=n.length;c<A;c++)r[c]=t[n[c]],i[r[c]]=n[c]}(v,g),function(t,i){n=0;for(var v=0,g=t;v<g;v+=3){var m=3*r[v],_=3*r[v+1],y=3*r[v+2];i?(o[0]=e[m],o[1]=e[m+1],o[2]=e[m+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[y],l[1]=e[y+1],l[2]=e[y+2],re.decompressPosition(o,i,u),re.decompressPosition(a,i,c),re.decompressPosition(l,i,A)):(u[0]=e[m],u[1]=e[m+1],u[2]=e[m+2],c[0]=e[_],c[1]=e[_+1],c[2]=e[_+2],A[0]=e[y],A[1]=e[y+1],A[2]=e[y+2]),re.subVec3(A,c,h),re.subVec3(u,c,d),re.cross3Vec3(h,d,p),re.normalizeVec3(p,f);var 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he.isString(e)||he.isNumeric(e)},isSameComponent:function(e,t){return!(!e||!t)&&(he.isNumeric(e)||he.isString(e)?"".concat(e):e.id)===(he.isNumeric(t)||he.isString(t)?"".concat(t):t.id)},isFunction:function(e){return"function"==typeof e},isObject:function(e){var t={}.constructor;return!!e&&e.constructor===t},copy:function(e){return he.apply(e,{})},apply:function(e,t){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i]);return t},apply2:function(e,t){for(var i in e)e.hasOwnProperty(i)&&void 0!==e[i]&&null!==e[i]&&(t[i]=e[i]);return t},applyIf:function(e,t){for(var i in e)e.hasOwnProperty(i)&&(void 0!==t[i]&&null!==t[i]||(t[i]=e[i]));return t},isEmptyObject:function(e){for(var t in e)if(e.hasOwnProperty(t))return!1;return!0},inQuotes:function(e){return he.isNumeric(e)?"".concat(e):"'".concat(e,"'")},concat:function(e,t){var i=new e.constructor(e.length+t.length);return i.set(e),i.set(t,e.length),i},flattenParentChildHierarchy:function(e){var t=[];return function e(i){i.id=i.uuid,delete 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this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&((i=this._ownedComponents[e]).destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}}]),e}(),Me=re.vec3(),Ee=re.vec3(),Fe=re.mat4(),ke=function(){function e(){P(this,e),this.normal=re.vec3(),this.offset=0,this.testVertex=re.vec3()}return C(e,[{key:"set",value:function(e,t,i,r){var s=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*s,this.normal[1]=t*s,this.normal[2]=i*s,this.offset=r*s,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}]),e}(),Ie=C((function e(){P(this,e),this.planes=[new ke,new ke,new ke,new ke,new ke,new ke]}));function De(e,t,i){var r=re.mulMat4(i,t,Fe),s=r[0],n=r[1],o=r[2],a=r[3],l=r[4],u=r[5],c=r[6],A=r[7],h=r[8],d=r[9],p=r[10],f=r[11],v=r[12],g=r[13],m=r[14],_=r[15];e.planes[0].set(a-s,A-l,f-h,_-v),e.planes[1].set(a+s,A+l,f+h,_+v),e.planes[2].set(a-n,A-u,f-d,_-g),e.planes[3].set(a+n,A+u,f+d,_+g),e.planes[4].set(a-o,A-c,f-p,_-m),e.planes[5].set(a+o,A+c,f+p,_+m)}function Se(e,t){var i=Ie.INSIDE,r=Me,s=Ee;r[0]=t[0],r[1]=t[1],r[2]=t[2],s[0]=t[3],s[1]=t[4],s[2]=t[5];for(var n=[r,s],o=0;o<6;++o){var a=e.planes[o];if(a.normal[0]*n[a.testVertex[0]][0]+a.normal[1]*n[a.testVertex[1]][1]+a.normal[2]*n[a.testVertex[2]][2]+a.offset<0)return Ie.OUTSIDE;a.normal[0]*n[1-a.testVertex[0]][0]+a.normal[1]*n[1-a.testVertex[1]][1]+a.normal[2]*n[1-a.testVertex[2]][2]+a.offset<0&&(i=Ie.INTERSECT)}return i}Ie.INSIDE=0,Ie.INTERSECT=1,Ie.OUTSIDE=2;var Te=function(e){g(i,Ce);var t=_(i);function i(){var e,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(P(this,i),!r.viewer)throw"[MarqueePicker] Missing config: viewer";if(!r.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";return(e=t.call(this,r.viewer.scene,r)).viewer=r.viewer,e._objectsKdTree3=r.objectsKdTree3,e._canvasMarqueeCorner1=re.vec2(),e._canvasMarqueeCorner2=re.vec2(),e._canvasMarquee=re.AABB2(),e._marqueeFrustum=new Ie,e._marqueeFrustumProjMat=re.mat4(),e._pickMode=!1,e._marqueeElement=document.createElement("div"),document.body.appendChild(e._marqueeElement),e._marqueeElement.style.position="absolute",e._marqueeElement.style["z-index"]="40000005",e._marqueeElement.style.width="8px",e._marqueeElement.style.height="8px",e._marqueeElement.style.visibility="hidden",e._marqueeElement.style.top="0px",e._marqueeElement.style.left="0px",e._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",e._marqueeElement.style.opacity=1,e._marqueeElement.style["pointer-events"]="none",e}return C(i,[{key:"setMarqueeCorner1",value:function(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarqueeCorner2",value:function(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarquee",value:function(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}},{key:"setMarqueeVisible",value:function(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}},{key:"getMarqueeVisible",value:function(){return this._marqueVisible}},{key:"setPickMode",value:function(e){if(e!==i.PICK_MODE_INSIDE&&e!==i.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===i.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}},{key:"getPickMode",value:function(){return this._pickMode}},{key:"clear",value:function(){this.fire("clear",{})}},{key:"pick",value:function(){var e=this;this._updateMarquee(),this._buildMarqueeFrustum();var t=[];return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&function r(s){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(n===Ie.INTERSECT&&(n=Se(e._marqueeFrustum,s.aabb)),n!==Ie.OUTSIDE){if(s.entities)for(var o=s.entities,a=0,l=o.length;a<l;a++){var u=o[a];if(u.visible){var c=u.aabb;if(e._pickMode===i.PICK_MODE_INSIDE)Se(e._marqueeFrustum,c)===Ie.INSIDE&&t.push(u.id);else Se(e._marqueeFrustum,c)!==Ie.OUTSIDE&&t.push(u.id)}}s.left&&r(s.left,n),s.right&&r(s.right,n)}}(this._objectsKdTree3.root),this.fire("picked",t),t}},{key:"_updateMarquee",value:function(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width="".concat(this._canvasMarquee[2]-this._canvasMarquee[0],"px"),this._marqueeElement.style.height="".concat(this._canvasMarquee[3]-this._canvasMarquee[1],"px"),this._marqueeElement.style.left="".concat(this._canvasMarquee[0],"px"),this._marqueeElement.style.top="".concat(this._canvasMarquee[1],"px")}},{key:"_buildMarqueeFrustum",value:function(){var e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,r=e.clientLeft,s=e.clientTop,n=2/t,o=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-r)*n-1,u=(this._canvasMarquee[2]-r)*n-1,c=-(this._canvasMarquee[3]-s)*o+1,A=-(this._canvasMarquee[1]-s)*o+1,h=this.viewer.scene.camera.frustum.near*(17*a);re.frustumMat4(l,u,c*a,A*a,h,1e4,this._marqueeFrustumProjMat),De(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}]),i}();Te.PICK_MODE_INTERSECTS=0,Te.PICK_MODE_INSIDE=1;var Re=function(e){g(i,Ce);var t=_(i);function i(e){var r;P(this,i),r=t.call(this,e.marqueePicker,e);var s,n,o,a,l,u,c,A=e.marqueePicker,h=A.viewer.scene.canvas.canvas,d=!1,p=!1,f=!1;return h.addEventListener("mousedown",(function(e){r.getActive()&&0===e.button&&(c=setTimeout((function(){var t=A.viewer.scene.input;t.keyDown[t.KEY_CTRL]||A.clear(),s=e.pageX,n=e.pageY,l=e.offsetX,A.setMarqueeCorner1([s,n]),d=!0,A.viewer.cameraControl.pointerEnabled=!1,A.setMarqueeVisible(!0),h.style.cursor="crosshair"}),400),p=!0)})),h.addEventListener("mouseup",(function(e){if(r.getActive()&&(d||f)&&0===e.button){clearTimeout(c),o=e.pageX,a=e.pageY;var t=Math.abs(o-s),i=Math.abs(a-n);d=!1,A.viewer.cameraControl.pointerEnabled=!0,f&&(f=!1),(t>3||i>3)&&A.pick()}})),document.addEventListener("mouseup",(function(e){r.getActive()&&0===e.button&&(clearTimeout(c),d&&(A.setMarqueeVisible(!1),d=!1,p=!1,f=!0,A.viewer.cameraControl.pointerEnabled=!0))}),!0),h.addEventListener("mousemove",(function(e){r.getActive()&&0===e.button&&p&&(clearTimeout(c),d&&(o=e.pageX,a=e.pageY,u=e.offsetX,A.setMarqueeVisible(!0),A.setMarqueeCorner2([o,a]),A.setPickMode(l<u?Te.PICK_MODE_INSIDE:Te.PICK_MODE_INTERSECTS)))})),r}return C(i,[{key:"setActive",value:function(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}},{key:"getActive",value:function(){return this._active}},{key:"destroy",value:function(){}}]),i}(),Le=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this.viewer=t,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==i.active,this._visible=!1,this._running=!1,this._destroyed=!1}return C(e,[{key:"start",value:function(e){var t=this;if(!this._destroyed){this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.marginLeft="".concat(this._circlePos[0]-this._circleRadius,"px"),this._circleDiv.style.marginTop="".concat(this._circlePos[1]-this._circleRadius,"px");var i,r=this._circleMaxRadius;this._running=!0,requestAnimationFrame((function e(s){if(t._running){i||(i=s);var n=s-i,o=Math.min(n/300,1),a=r+(2-r)*o;t._circleRadius=a,t._circleDiv.style.width="".concat(t._circleRadius,"px"),t._circleDiv.style.height="".concat(t._circleRadius,"px"),t._circleDiv.style.marginLeft="".concat(t._circlePos[0]-t._circleRadius/2,"px"),t._circleDiv.style.marginTop="".concat(t._circlePos[1]-t._circleRadius/2,"px"),o<1&&requestAnimationFrame(e)}})),this._circleDiv.style.visibility="visible"}}},{key:"stop",value:function(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.visibility="hidden")}},{key:"durationMs",get:function(){return this._durationMs},set:function(e){this.stop(),this._durationMs=e}},{key:"destroy",value:function(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}]),e}(),Ue=function(){function e(t,i,r){P(this,e),this.id=r&&r.id?r.id:t,this.viewer=i,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,i.addPlugin(this)}return C(e,[{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){console.log("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"warn",value:function(e){console.warn("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.removePlugin(this)}}]),e}(),Oe={isIphoneSafari:function(){var e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},isTouchDevice:function(){return"ontouchstart"in window||navigator.maxTouchPoints>0||navigator.mxMaxTouchPoints>0}};function Ne(e,t){if(e&&t){var i,r,s=null,n=function(e){if(e.preventDefault(),s&&(clearTimeout(s),s=null),!(e.touches.length>1)){var n=e.touches[0];i=n.clientX,r=n.clientY,s=setTimeout((function(){e.clientX=n.clientX,e.clientY=n.clientY,t(e),clearTimeout(s),s=null}),500)}},o=function(e){e.touches.length>1&&s&&(clearTimeout(s),s=null)},a=function(e){if(s){var t=e.touches[0],n=Math.abs(t.clientX-i),o=Math.abs(t.clientY-r);(n>3||o>3)&&(clearTimeout(s),s=null)}},l=function(e){e.preventDefault(),s&&(clearTimeout(s),s=null)},u=function(e){t(e),e.preventDefault(),e.stopPropagation()};return Oe.isIphoneSafari()?(e.addEventListener("touchstart",n),e.addEventListener("touchmove",a),e.addEventListener("touchend",l),window.addEventListener("touchstart",o)):e.addEventListener("contextmenu",u),function(){Oe.isIphoneSafari()?(e.removeEventListener("touchstart",n),e.removeEventListener("touchmove",a),e.removeEventListener("touchend",l),window.removeEventListener("touchstart",o)):e.removeEventListener("contextmenu",u)}}}var Qe=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==r.visible,this._culled=!1;var s=this._dot,n=s.style;n["border-radius"]="25px",n.border="solid 2px white",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"40000005":r.zIndex,n.width="8px",n.height="8px",n.visibility=this._visible?"visible":"hidden",n.top="0px",n.left="0px",n["box-shadow"]="0 2px 5px 0 #182A3D;",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._dotClickable,a=o.style;if(a["border-radius"]="35px",a.border="solid 10px white",a.position="absolute",a["z-index"]=void 0===r.zIndex?"40000007":r.zIndex+1,a.width="8px",a.height="8px",a.visibility="visible",a.top="0px",a.left="0px",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),o.addEventListener("click",(function(e){t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onTouchstart&&o.addEventListener("touchstart",(function(e){r.onTouchstart(e,i)})),r.onTouchmove&&o.addEventListener("touchmove",(function(e){r.onTouchmove(e,i)})),r.onTouchend&&o.addEventListener("touchend",(function(e){r.onTouchend(e,i)})),r.onContextMenu){var l=function(e){r.onContextMenu(e,i)};Ne(o,l)}this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.borderColor)}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-6+"px",i.top=Math.round(t)-6+"px";var r=this._dotClickable.style;r.left=Math.round(e)-14+"px",r.top=Math.round(t)-14+"px"}},{key:"setFillColor",value:function(e){this._dot.style.background=e||"lightgreen"}},{key:"setBorderColor",value:function(e){this._dot.style.border="solid 2px"+(e||"black")}},{key:"setOpacity",value:function(e){this._dot.style.opacity=e}},{key:"_updateVisibility",value:function(){this._dot.style.visibility=this._dotClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}},{key:"setClickable",value:function(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}},{key:"destroy",value:function(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}]),e}(),Ve=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this._highlightClass="viewer-ruler-label-highlighted",this._prefix=r.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var s=this._label,n=s.style;if(n["border-radius"]="5px",n.color="white",n.padding="4px",n.border="solid 1px",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"5000005":r.zIndex,n.width="auto",n.height="auto",n.visibility="visible",n.top="0px",n.left="0px",n["pointer-events"]="all",n.opacity=1,r.onContextMenu,s.innerText="",t.appendChild(s),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.fillColor),this.setText(r.text),r.onMouseOver&&s.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),e.preventDefault()})),r.onMouseLeave&&s.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i),e.preventDefault()})),r.onMouseWheel&&s.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&s.addEventListener("mousedown",(function(e){r.onMouseDown(e,i),e.stopPropagation()})),r.onMouseUp&&s.addEventListener("mouseup",(function(e){r.onMouseUp(e,i),e.stopPropagation()})),r.onMouseMove&&s.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu){var o=function(e){r.onContextMenu(e,i)};Ne(s,o)}}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}},{key:"setPosOnWire",value:function(e,t,i,r){var s=e+.5*(i-e),n=t+.5*(r-t),o=this._label.style;o.left=Math.round(s)-20+"px",o.top=Math.round(n)-12+"px"}},{key:"setPosBetweenWires",value:function(e,t,i,r,s,n){var o=(e+i+s)/3,a=(t+r+n)/3,l=this._label.style;l.left=Math.round(o)-20+"px",l.top=Math.round(a)-12+"px"}},{key:"setText",value:function(e){this._label.innerHTML=this._prefix+(e||"")}},{key:"setFillColor",value:function(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}},{key:"setBorderColor",value:function(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}},{key:"setOpacity",value:function(e){this._label.style.opacity=e}},{key:"_updateVisibility",value:function(){this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden"}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}},{key:"setClickable",value:function(e){this._label.style["pointer-events"]=e?"all":"none"}},{key:"setPrefix",value:function(e){this._prefix!==e&&(this._prefix=e)}},{key:"destroy",value:function(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}]),e}(),He=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this._color=r.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=r.thickness||1,this._thicknessClickable=r.thicknessClickable||6,this._visible=!0,this._culled=!1;var s=this._wire,n=s.style;n.border="solid "+this._thickness+"px "+this._color,n.position="absolute",n["z-index"]=void 0===r.zIndex?"2000001":r.zIndex,n.width="0px",n.height="0px",n.visibility="visible",n.top="0px",n.left="0px",n["-webkit-transform-origin"]="0 0",n["-moz-transform-origin"]="0 0",n["-ms-transform-origin"]="0 0",n["-o-transform-origin"]="0 0",n["transform-origin"]="0 0",n["-webkit-transform"]="rotate(0deg)",n["-moz-transform"]="rotate(0deg)",n["-ms-transform"]="rotate(0deg)",n["-o-transform"]="rotate(0deg)",n.transform="rotate(0deg)",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._wireClickable,a=o.style;if(a.border="solid "+this._thicknessClickable+"px "+this._color,a.position="absolute",a["z-index"]=void 0===r.zIndex?"2000002":r.zIndex+1,a.width="0px",a.height="0px",a.visibility="visible",a.top="0px",a.left="0px",a["-webkit-transform-origin"]="0 0",a["-moz-transform-origin"]="0 0",a["-ms-transform-origin"]="0 0",a["-o-transform-origin"]="0 0",a["transform-origin"]="0 0",a["-webkit-transform"]="rotate(0deg)",a["-moz-transform"]="rotate(0deg)",a["-ms-transform"]="rotate(0deg)",a["-o-transform"]="rotate(0deg)",a.transform="rotate(0deg)",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i)})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu){var l=function(e){r.onContextMenu(e,i)};Ne(o,l)}this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}return C(e,[{key:"visible",get:function(){return"visible"===this._wire.style.visibility}},{key:"_update",value:function(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]=i["-moz-transform"]=i["-ms-transform"]=i["-o-transform"]=i.transform="rotate("+t+"deg) translate(-"+this._thickness+"px, -"+this._thickness+"px)";var r=this._wireClickable.style;r.width=Math.round(e)+"px",r.left=Math.round(this._x1)+"px",r.top=Math.round(this._y1)+"px",r["-webkit-transform"]=r["-moz-transform"]=r["-ms-transform"]=r["-o-transform"]=r.transform="rotate("+t+"deg) translate(-"+this._thicknessClickable+"px, -"+this._thicknessClickable+"px)"}},{key:"setStartAndEnd",value:function(e,t,i,r){this._x1=e,this._y1=t,this._x2=i,this._y2=r,this._update()}},{key:"setColor",value:function(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}},{key:"setOpacity",value:function(e){this._wire.style.opacity=e}},{key:"_updateVisibility",value:function(){this._wire.style.visibility=this._wireClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}},{key:"setClickable",value:function(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}},{key:"destroy",value:function(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}]),e}(),je=re.vec3(),Ge=re.vec4(),ze=function(){var e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(r,s,n){return n=n||e,t[0]=s[0],t[1]=s[1],t[2]=s[2],t[3]=1,re.transformVec4(r,t,i),re.setMat4Translation(r,i,n),n.slice()}}();function Ke(e,t,i){var r=Float32Array.from([e[0]])[0],s=e[0]-r,n=Float32Array.from([e[1]])[0],o=e[1]-n,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=r,t[1]=n,t[2]=a,i[0]=s,i[1]=o,i[2]=l}function We(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1e3,s=re.getPositionsCenter(e,je),n=Math.round(s[0]/r)*r,o=Math.round(s[1]/r)*r,a=Math.round(s[2]/r)*r;i[0]=n,i[1]=o,i[2]=a;var l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(var u=0,c=e.length;u<c;u+=3)t[u+0]=e[u+0]-n,t[u+1]=e[u+1]-o,t[u+2]=e[u+2]-a;return l}function Xe(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function Je(e,t,i,r,s){var n=s?(Ge.set(i,0),Ge[3]=1,re.mulMat4v4(s,Ge,Ge)):i,o=re.dotVec3(t,n)+e,a=re.normalizeVec3(t,je);return re.mulVec3Scalar(a,-o,r),r}var Ye=1,Ze=4,qe=8,$e=16,et=32,tt=256,it=512,rt=1024,st=2048,nt=new Float32Array([0,0,0]),ot=new Uint16Array([0,0,0]);re.OBB3();var at=function(){function e(t,i,r,s,n,o){P(this,e),this._isObject=i,this.scene=t.scene,this.model=t,this.isSceneModelEntity=!0,this.meshes=s,this._numPrimitives=0;for(var a=0,l=this.meshes.length;a<l;a++){var u=this.meshes[a];u.parent=this,u.entity=this,this._numPrimitives+=u.numPrimitives}this.id=r,this.originalSystemId=re.unglobalizeObjectId(t.id,r),this._flags=n,this._aabb=re.AABB3(),this._aabbDirty=!0,this._offset=re.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&t.scene._registerObject(this)}return C(e,[{key:"_transformDirty",value:function(){this._aabbDirty=!0,this.model._transformDirty()}},{key:"_sceneModelDirty",value:function(){this._aabbDirty=!0;for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this.meshes.length;e<t;e++)re.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return!1}},{key:"isObject",get:function(){return this._isObject}},{key:"numPrimitives",get:function(){return this._numPrimitives}},{key:"numTriangles",get:function(){return this._numPrimitives}},{key:"visible",get:function(){return this._getFlag(Ye)},set:function(e){if(!!(this._flags&Ye)!==e){this._flags=e?this._flags|Ye:this._flags&~Ye;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}},{key:"highlighted",get:function(){return this._getFlag(it)},set:function(e){if(!!(this._flags&it)!==e){this._flags=e?this._flags|it:this._flags&~it;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}},{key:"xrayed",get:function(){return this._getFlag(tt)},set:function(e){if(!!(this._flags&tt)!==e){this._flags=e?this._flags|tt:this._flags&~tt;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}},{key:"selected",get:function(){return this._getFlag(rt)},set:function(e){if(!!(this._flags&rt)!==e){this._flags=e?this._flags|rt:this._flags&~rt;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}},{key:"edges",get:function(){return this._getFlag(st)},set:function(e){if(!!(this._flags&st)!==e){this._flags=e?this._flags|st:this._flags&~st;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}},{key:"culledVFC",get:function(){return!!this._culledVFC},set:function(e){this._culledVFC=e,this._setCulled()}},{key:"culledLOD",get:function(){return!!this._culledLOD},set:function(e){this._culledLOD=e,this._setCulled()}},{key:"culled",get:function(){return!!this._culled},set:function(e){this._culled=e,this._setCulled()}},{key:"_setCulled",value:function(){var e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Ze)!==e){this._flags=e?this._flags|Ze:this._flags&~Ze;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}},{key:"clippable",get:function(){return this._getFlag($e)},set:function(e){if(!!(this._flags&$e)!==e){this._flags=e?this._flags|$e:this._flags&~$e;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}},{key:"collidable",get:function(){return this._getFlag(et)},set:function(e){if(!!(this._flags&et)!==e){this._flags=e?this._flags|et:this._flags&~et;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}},{key:"pickable",get:function(){return this._getFlag(qe)},set:function(e){if(!!(this._flags&qe)!==e){this._flags=e?this._flags|qe:this._flags&~qe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}},{key:"colorize",get:function(){if(0===this.meshes.length)return null;var e=this.meshes[0]._colorize;return nt[0]=e[0]/255,nt[1]=e[1]/255,nt[2]=e[2]/255,nt},set:function(e){if(e){ot[0]=Math.floor(255*e[0]),ot[1]=Math.floor(255*e[1]),ot[2]=Math.floor(255*e[2]);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setColorize(ot)}else for(var r=0,s=this.meshes.length;r<s;r++)this.meshes[r]._setColorize(null);if(this._isObject){var n=!!e;this.scene._objectColorizeUpdated(this,n),this._colorizeUpdated=n}this.model.glRedraw()}},{key:"opacity",get:function(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1},set:function(e){if(0!==this.meshes.length){var t=null!=e,i=this.meshes[0]._colorize[3],r=255;if(t){if(e<0?e=0:e>1&&(e=1),i===(r=Math.floor(255*e)))return}else if(i===(r=255))return;for(var s=0,n=this.meshes.length;s<n;s++)this.meshes[s]._setOpacity(r,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}},{key:"saoEnabled",get:function(){return this.model.saoEnabled}},{key:"getEachVertex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}},{key:"getEachIndex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}},{key:"volume",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].volume;if(r<0)return-1;e+=r}return e}},{key:"surfaceArea",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].surfaceArea;r>=0&&(e+=r)}return e>0?e:-1}},{key:"_getFlag",value:function(e){return!!(this._flags&e)}},{key:"_finalize",value:function(){var e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._finalize(this._flags)}},{key:"_finalize2",value:function(){for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}},{key:"_destroy",value:function(){var e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._destroy();e._aabbDirty=!0}}]),e}(),lt=re.vec4(),ut=re.vec4(),ct=function(e){g(i,Ce);var t=_(i);function i(e,r){var s;return P(this,i),(s=t.call(this,e,r))._entity=null,s._visible=null,s._worldPos=re.vec3(),s._origin=re.vec3(),s._rtcPos=re.vec3(),s._viewPos=re.vec3(),s._canvasPos=re.vec2(),s._occludable=!1,s._onCameraViewMatrix=s.scene.camera.on("matrix",(function(){s._viewPosDirty=!0,s._needUpdate()})),s._onCameraProjMatrix=s.scene.camera.on("projMatrix",(function(){s._canvasPosDirty=!0,s._needUpdate()})),s._onEntityDestroyed=null,s._onEntityModelDestroyed=null,s._renderer.addMarker(b(s)),s.entity=r.entity,s.worldPos=r.worldPos,s.occludable=r.occludable,s}return C(i,[{key:"_update",value:function(){if(this._viewPosDirty&&(re.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){lt.set(this._viewPos),lt[3]=1,re.transformPoint4(this.scene.camera.projMatrix,lt,ut);var e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+ut[0]/ut[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-ut[1]/ut[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}},{key:"_setVisible",value:function(e){this._visible,this._visible=e,this.fire("visible",this._visible)}},{key:"entity",get:function(){return this._entity},set:function(e){var t=this;this._entity!==e&&(this._cleanupDestroyedHandlers(),this._entity=e,this._entity&&(this._entity.isSceneModelEntity?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(function(){t._entity=null,t._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(function(){t._entity=null,t._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0))}},{key:"occludable",get:function(){return this._occludable},set:function(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}},{key:"worldPos",get:function(){return this._worldPos},set:function(e){this._worldPos.set(e||[0,0,0]),Ke(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}},{key:"origin",get:function(){return this._origin}},{key:"rtcPos",get:function(){return this._rtcPos}},{key:"viewPos",get:function(){return this._update(),this._viewPos}},{key:"canvasPos",get:function(){return this._update(),this._canvasPos}},{key:"visible",get:function(){return!!this._visible}},{key:"destroy",value:function(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._cleanupDestroyedHandlers(),this._renderer.removeMarker(this),f(B(i.prototype),"destroy",this).call(this)}},{key:"_cleanupDestroyedHandlers",value:function(){this._entity&&(null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null))}}]),i}(),At=re.vec2(),ht=re.vec2(),dt=re.vec2(),pt=re.vec2(),ft=re.vec3(),vt=re.vec3(),gt=re.vec4(),mt=re.vec4(),_t=re.vec4(),yt=re.vec4(),bt=re.mat4(),Bt=function(){};function wt(e,t,i){var r=e.getBoundingClientRect(),s=t.getBoundingClientRect();i[0]+=r.left-s.left,i[1]+=r.top-s.top}var Pt=function(e,t,i){bt.set(e.viewMatrix),bt.set(e.projMatrix),i.set(t),i[3]=1,re.mulMat4v4(e.viewMatrix,i,i),re.mulMat4v4(e.projMatrix,i,i)},xt=function(e,t,i,r){r[0]=.5*(1+i[0])*e.offsetWidth,r[1]=.5*(1-i[1])*e.offsetHeight,wt(e,t,r)},Ct=function(e,t,i,r,s,n){var o=e.camera,a=e.canvas.canvas;if(re.distVec3(i,r)<.001)return!1;var l,u=re.subVec3(r,i,ft),c=0,A=1,d=h(e._sectionPlanesState.sectionPlanes);try{for(d.s();!(l=d.n()).done;){var p=l.value,f=re.dotVec3(p.dir,re.subVec3(p.pos,r,vt)),v=re.dotVec3(p.dir,re.subVec3(p.pos,i,vt));if(v>0&&f>0)return!1;if(v>0||f>0){var g=re.dotVec3(p.dir,u);if(Math.abs(g)>=1e-6){var m=re.dotVec3(p.dir,vt)/g;v>0?c=Math.max(c,m):A=Math.min(A,m)}}}}catch(e){d.e(e)}finally{d.f()}var _=gt,y=mt;Pt(o,c>0?re.addVec3(i,re.mulVec3Scalar(u,c,vt),vt):i,_),Pt(o,A<1?re.addVec3(i,re.mulVec3Scalar(u,A,vt),vt):r,y);var b=_[2]/_[3]<-1||_[3]<0,B=y[2]/y[3]<-1||y[3]<0;if(b&&B)return!1;var w=(_[3]+_[2])/(_[3]+_[2]-(y[3]+y[2]));if(w>0&&w<1){var P=re.subVec4(y,_,_t);re.mulVec4Scalar(P,w,P),re.addVec4(_,P,b?_:y)}re.mulVec4Scalar(_,1/_[3]),re.mulVec4Scalar(y,1/y[3]);for(var x=0,C=1,M=0;M<2;++M){var E=y[M]-_[M],F=(-_[3]-_[M])/E,k=(_[3]-_[M])/E;E>0?(x=Math.max(x,F),C=Math.min(C,k)):(x=Math.max(x,k),C=Math.min(C,F))}if(x>=C)return!1;var I=re.subVec4(y,_,_t);return re.addVec4(_,re.mulVec4Scalar(I,C,yt),y),re.addVec4(_,re.mulVec4Scalar(I,x,yt),_),re.mulVec4Scalar(_,1/_[3]),re.mulVec4Scalar(y,1/y[3]),xt(a,t,_,s),xt(a,t,y,n),!0},Mt=function(e){g(i,ct);var t=_(i);function i(e,r,s){var n,o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};P(this,i);var a=e.camera;(n=t.call(this,e,r)).__visible=!0;var l=function(e,t){return function(i){e&&e(i),n.fire(t,i,!0)}};n._dot=new Qe(s,{borderColor:o.borderColor,fillColor:o.fillColor,zIndex:o.zIndex,onMouseOver:l(o.onMouseOver,"mouseover"),onMouseLeave:l(o.onMouseLeave,"mouseleave"),onMouseWheel:l(o.onMouseWheel,"wheel"),onMouseDown:l(o.onMouseDown,"mousedown"),onMouseUp:l(o.onMouseUp,"mouseup"),onMouseMove:l(o.onMouseMove,"mousemove"),onTouchstart:l(o.onTouchstart,"touchstart"),onTouchmove:l(o.onTouchmove,"touchmove"),onTouchend:l(o.onTouchend,"touchend"),onContextMenu:l(o.onContextMenu,"contextmenu")});var u=function(e,t){t.set(e),t[3]=1,re.mulMat4v4(a.viewMatrix,t,t),re.mulMat4v4(a.projMatrix,t,t)},c=function(t){var i=e.canvas.canvas;t[0]=.5*(1+t[0])*i.offsetWidth,t[1]=.5*(1-t[1])*i.offsetHeight,wt(i,s,t)},A=function(){if(n.__visible){var t=_t;u(n.worldPos,t),re.mulVec3Scalar(t,1/t[3]);var i=t[3]<0||t[0]<-1||t[0]>1||t[1]<-1||t[1]>1||t[2]<-1||t[2]>1||e._sectionPlanesState.sectionPlanes.some((function(e){return re.dotVec3(e.dir,re.subVec3(e.pos,n.worldPos,ft))>0}));n._dot.setCulled(i),i||(c(t),n._dot.setPos(t[0],t[1]))}};n.on("worldPos",A);var h=a.on("viewMatrix",A),d=a.on("projMatrix",A),p=e.canvas.on("boundary",A),f=e.on("sectionPlaneUpdated",A);return n._updatePosition=A,n._cleanup=function(){a.off(h),a.off(d),e.canvas.off(p),e.off(f),n._dot.destroy()},n}return C(i,[{key:"setClickable",value:function(e){this._dot.setClickable(e)}},{key:"setFillColor",value:function(e){this._dot.setFillColor(e)}},{key:"setBorderColor",value:function(e){this._dot.setBorderColor(e)}},{key:"setHighlighted",value:function(e){this._dot.setHighlighted(e)}},{key:"setOpacity",value:function(e){this._dot.setOpacity(e)}},{key:"setVisible",value:function(e){this.__visible!=e&&(this.__visible=e,this._updatePosition(),this._dot.setVisible(e))}},{key:"destroy",value:function(){this._cleanup(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Et=function(){function e(t,i,r){var s=this;P(this,e);var n=t.camera;this._label=new Ve(i,r),this._start=re.vec3(),this._mid=re.vec3(),this._end=re.vec3(),this._yOff=0,this._betweenWires=!1,this.__visible=!0;var o=function(e,t,i){e[0]+=t[0],e[1]+=t[1],re.mulVec2Scalar(e,.5),s._label.setPos(e[0],e[1]+i)};this._updatePositions=function(){if(s.__visible)if(s._betweenWires){var e=Ct(t,i,s._start,s._mid,At,ht),r=Ct(t,i,s._end,s._mid,dt,pt);s._label.setCulled(!(e||r)),e&&r?(ht[0]+=pt[0],ht[1]+=pt[1],re.mulVec2Scalar(ht,.5),ht[0]+=At[0]+dt[0],ht[1]+=At[1]+dt[1],re.mulVec2Scalar(ht,1/3),s._label.setPos(ht[0],ht[1])):e?o(At,ht,0):r&&o(dt,pt,0)}else{var n=Ct(t,i,s._start,s._end,At,ht)&&re.distVec2(At,ht)>=s._labelMinAxisLength;s._label.setCulled(!n),n&&o(At,ht,s._yOff)}};var a=n.on("viewMatrix",this._updatePositions),l=n.on("projMatrix",this._updatePositions),u=t.canvas.on("boundary",this._updatePositions),c=t.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=function(){n.off(a),n.off(l),t.canvas.off(u),t.off(c),s._label.destroy()}}return C(e,[{key:"setPosOnWire",value:function(e,t,i,r){this._start.set(e),this._end.set(t),this._yOff=i,this._labelMinAxisLength=r,this._betweenWires=!1,this._updatePositions()}},{key:"setPosBetween",value:function(e,t,i){this._start.set(e),this._mid.set(t),this._end.set(i),this._betweenWires=!0,this._updatePositions()}},{key:"setFillColor",value:function(e){this._label.setFillColor(e)}},{key:"setHighlighted",value:function(e){this._label.setHighlighted(e)}},{key:"setText",value:function(e){this._label.setText(e)}},{key:"setClickable",value:function(e){this._label.setClickable(e)}},{key:"setVisible",value:function(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._label.setVisible(e))}},{key:"destroy",value:function(){this._cleanup()}}]),e}(),Ft=function(){function e(t,i,r){var s=this;P(this,e);var n=t.camera;this._wire=new He(i,r),this._start=re.vec3(),this._end=re.vec3(),this.__visible=!0,this._updatePositions=function(){if(s.__visible){var e=Ct(t,i,s._start,s._end,At,ht);s._wire.setCulled(!e),e&&s._wire.setStartAndEnd(At[0],At[1],ht[0],ht[1])}};var o=n.on("viewMatrix",this._updatePositions),a=n.on("projMatrix",this._updatePositions),l=t.canvas.on("boundary",this._updatePositions),u=t.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=function(){n.off(o),n.off(a),t.canvas.off(l),t.off(u),s._wire.destroy()}}return C(e,[{key:"setEnds",value:function(e,t){this._start.set(e),this._end.set(t),this._updatePositions()}},{key:"setClickable",value:function(e){this._wire.setClickable(e)}},{key:"setColor",value:function(e){this._wire.setColor(e)}},{key:"setHighlighted",value:function(e){this._wire.setHighlighted(e)}},{key:"setOpacity",value:function(e){this._wire.setOpacity(e)}},{key:"setVisible",value:function(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._wire.setVisible(e))}},{key:"destroy",value:function(){this._cleanup()}}]),e}();function kt(e,t){var i,r=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=r("viewer"),n=r("ray2WorldPos"),o=r("handleMouseEvents",!1),a=r("handleTouchEvents",!1),l=r("onStart",Bt),u=r("onMove",Bt),c=r("onEnd",Bt),h=s.scene,d=h.canvas.canvas,p=function(e){var t=re.vec2([e.clientX,e.clientY]);wt(d.ownerDocument.documentElement,d,t),u(t,function(e){var t=re.vec3(),i=re.vec3();return re.canvasPosToWorldRay(d,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),n(t,i,e)}(t))},f=null,v=function(e){var t=f.matchesEvent(e);t&&p(t)},g=function(t){var i=f.matchesEvent(t);i&&(e.setOpacity(b),f.cleanup(),p(i),c())},m=function(t,i){f&&f.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,f={matchesEvent:t,cleanup:function(){f=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},l()},_=[],y=function(t,i){var r=e.on(t,i);_.push((function(){return e.off(r)}))};(o&&(y("mouseover",(function(){return!f&&e.setOpacity(1)})),y("mouseleave",(function(){return!f&&e.setOpacity(b)})),y("mousedown",(function(e){1===e.which&&(d.addEventListener("mousemove",v),d.addEventListener("mouseup",g),m((function(e){return 1===e.which&&e}),(function(){d.removeEventListener("mousemove",v),d.removeEventListener("mouseup",g)})))}))),a)&&(y("touchstart",(function(e){e.preventDefault(),1===e.touches.length&&(i=e.touches[0].identifier,m((function(e){return A(e.changedTouches).find((function(e){return e.identifier===i}))}),(function(){i=null})))})),y("touchmove",(function(e){e.preventDefault(),v(e)})),y("touchend",(function(e){e.preventDefault(),g(e)})));var b=.8;return e.setOpacity(b),function(){f&&f.cleanup(),_.forEach((function(e){return e()})),e.setOpacity(1)}}function It(e){var t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),r=t("handleMouseEvents",!1),s=t("handleTouchEvents",!1),n=t("pointerLens",null),o=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",Bt),u=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},c=o.map((function(e){var t;return kt(e,{handleMouseEvents:r,handleTouchEvents:s,viewer:i,ray2WorldPos:function(e,i,r){return a(e,i,r)||t},onStart:function(){t=e.worldPos.slice(),A(!1,e)},onMove:function(t,i){u(t),e.worldPos=i},onEnd:function(){l(t,e)||(e.worldPos=t),u(null),A(!0,e)}})})),A=function(e,t){return o.forEach((function(i){return i!==t&&i.setClickable(e)}))};return A(!0),function(){c.forEach((function(e){return e()})),u(null)}}var Dt=function(e,t,i){return function(r,s,n){var o,a=e.scene,l=a.canvas.canvas,u=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,wt(l.ownerDocument.documentElement,l,t),t},c=function(e){var t=re.vec3(),r=re.vec3();return re.canvasPosToWorldRay(l,a.camera.viewMatrix,a.camera.projMatrix,a.camera.projection,e,t,r),i(t,r)},h=null,d=function(){},p=d,f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=d,o=null},v=function(){f(),l.removeEventListener("touchstart",g),l.removeEventListener("touchmove",m),l.removeEventListener("touchend",_)},g=function(i){var n=i.touches;if(1!==n.length)f(),r();else{var a=n[0],l=u(a,re.vec2());c(l)&&(o=a.identifier,p=function(e){re.distVec2(l,e)>20&&f()},h=setTimeout((function(){t.start(l),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=function(e){s(e,c(e))},p(l)}),300)}),250))}};l.addEventListener("touchstart",g,{passive:!0});var m=function(e){var t=A(e.changedTouches).find((function(e){return e.identifier===o}));t&&p(u(t,re.vec2()))};l.addEventListener("touchmove",m,{passive:!0});var _=function(e){var t=A(e.changedTouches).find((function(e){return e.identifier===o}));if(t){v();var i=u(t,re.vec2());n(i,c(i))}};return l.addEventListener("touchend",_,{passive:!0}),v}},St=re.vec3(),Tt=re.vec3(),Rt=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=e.viewer.scene;(r=t.call(this,n,s)).plugin=e;var o=s.container;if(!o)throw"config missing: container";r._color=s.color||e.defaultColor;var a=function(e){var t=[],i=!1!==e;return{reg:function(e){return t.push(e)},get:function(){return i},set:function(e){i=!1!==e,t.forEach((function(e){return e(i)}))}}};r._visible=a(s.visible),r._originVisible=a(s.originVisible),r._cornerVisible=a(s.cornerVisible),r._targetVisible=a(s.targetVisible),r._originWireVisible=a(s.originWireVisible),r._targetWireVisible=a(s.targetWireVisible),r._angleVisible=a(s.angleVisible),r._labelsVisible=a(),r.labelsVisible=s.labelsVisible,r._clickable=a(!1),r.approximate=s.approximate;var l=n.canvas.canvas,u=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),l.dispatchEvent(new MouseEvent("mouseover",e))}:null,c=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),l.dispatchEvent(new MouseEvent("mouseleave",e))}:null,A=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,h=function(e){return l.dispatchEvent(new MouseEvent("mousedown",e))},d=function(e){return l.dispatchEvent(new MouseEvent("mouseup",e))},p=function(e){return l.dispatchEvent(new MouseEvent("mousemove",e))},f=function(e){return l.dispatchEvent(new WheelEvent("wheel",e))};r._cleanups=[],r._drawables=[];var v=function(e,t){var i=function(){return e.setVisible(t.every((function(e){return e.get()})))};t.forEach((function(e){return e.reg(i)})),r._drawables.push(e),r._cleanups.push((function(){return e.destroy()}))},g=function(t,i,r){var s=new Ft(n,o,{color:t,thickness:i,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return v(s,r),{setEnds:function(e,t){return s.setEnds(e,t)},setColor:function(e){return s.setColor(e)}}};r._originWire=g(r._color||"blue",1,[r._visible,r._originWireVisible]),r._targetWire=g(r._color||"red",1,[r._visible,r._targetWireVisible]);var m=function(t,i,r){var s=new Et(n,o,{fillColor:t,zIndex:e.zIndex+i,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return v(s,r),{setFillColor:function(e){return s.setFillColor(e)},setPosOnWire:function(e,t,i){return s.setPosOnWire(e,t,i)},setPosBetween:function(e,t,i){return s.setPosBetween(e,t,i)},setText:function(e){return s.setText(e)}}};r._angleLabel=m(r._color||"#00BBFF",2,[r._visible,r._angleVisible,r._labelsVisible]);var _=function(t,i){var s=new Mt(n,t,o,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return s.on("worldPos",(function(){return r._update()})),v(s,i),s};return r._originDot=_(s.origin,[r._visible,r._originVisible]),r._cornerDot=_(s.corner,[r._visible,r._cornerVisible]),r._targetDot=_(s.target,[r._visible,r._targetVisible]),r._update(),r}return C(i,[{key:"_update",value:function(){if(this._targetDot){var e=this._originDot.worldPos,t=this._cornerDot.worldPos,i=this._targetDot.worldPos;this._originWire.setEnds(e,t),this._targetWire.setEnds(t,i),this._angleLabel.setPosBetween(e,t,i),re.subVec3(e,t,St),re.subVec3(i,t,Tt),re.lenVec3(St)>0&&re.lenVec3(Tt)>0?(re.normalizeVec3(St),re.normalizeVec3(Tt),this._angle=Math.abs(re.angleVec3(St,Tt))*re.RADTODEG,this._angleLabel.setText((this._approximate?" ~ ":" = ")+this._angle.toFixed(2)+"°")):(this._angle=void 0,this._angleLabel.setText(""))}}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}},{key:"origin",get:function(){return this._originDot}},{key:"corner",get:function(){return this._cornerDot}},{key:"target",get:function(){return this._targetDot}},{key:"angle",get:function(){return this._angle}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF")}},{key:"visible",get:function(){return this._visible.get()},set:function(e){this._visible.set(e)}},{key:"originVisible",get:function(){return this._originVisible.get()},set:function(e){this._originVisible.set(e)}},{key:"cornerVisible",get:function(){return this._cornerVisible.get()},set:function(e){this._cornerVisible.set(e)}},{key:"targetVisible",get:function(){return this._targetVisible.get()},set:function(e){this._targetVisible.set(e)}},{key:"originWireVisible",get:function(){return this._originWireVisible.get()},set:function(e){this._originWireVisible.set(e)}},{key:"targetWireVisible",get:function(){return this._targetWireVisible.get()},set:function(e){this._targetWireVisible.set(e)}},{key:"angleVisible",get:function(){return this._angleVisible.get()},set:function(e){this._angleVisible.set(e)}},{key:"labelsVisible",get:function(){return this._labelsVisible.get()},set:function(e){this._labelsVisible.set(void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible)}},{key:"setHighlighted",value:function(e){this._drawables.forEach((function(t){return t.setHighlighted(e)}))}},{key:"clickable",get:function(){return this._clickable.get()},set:function(e){var t=this;this._clickable.set(!!e),this._drawables.forEach((function(e){return e.setClickable(t._clickable.get())}))}},{key:"destroy",value:function(){this._cleanups.forEach((function(e){return e()})),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Lt=function(e){g(i,Ce);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),Ut=function(e){g(i,Lt);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentAngleMeasurement=null,r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;var t=this.scene;t.input;var i=t.canvas.canvas,r=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens,n=!1,o=null,a=0,l=0,u=re.vec3(),c=re.vec2();this._currentAngleMeasurement=null;var A=re.vec2(),h=function(t){t.snappedToVertex||t.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!0),e.markerDiv.style.background="greenyellow",e.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.canvasPos,s.snapped=!1),e.markerDiv.style.background="pink",e.markerDiv.style.border="2px solid red");var r=t.snappedCanvasPos||t.canvasPos;switch(n=!0,o=t.entity,u.set(t.worldPos),c.set(r),e._mouseState){case 0:if(e._canvasToPagePos)e._canvasToPagePos(i,r,A),e.markerDiv.style.left="".concat(A[0]-5,"px"),e.markerDiv.style.top="".concat(A[1]-5,"px");else{var a=re.vec2(r);wt(i,e.markerDiv.parentNode,a),e.markerDiv.style.left="".concat(a[0]-5,"px"),e.markerDiv.style.top="".concat(a[1]-5,"px")}break;case 1:e._currentAngleMeasurement&&(e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer";break;case 2:e._currentAngleMeasurement&&(e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer"}};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&h(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||h(t)})),i.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(a=e.clientX,l=e.clientY)}),i.addEventListener("mouseup",this._onMouseUp=function(t){if(1===t.which&&!(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20))switch(e._mouseState){case 0:n&&(e._currentAngleMeasurement=e.angleMeasurementsPlugin.createMeasurement({id:re.createUUID(),origin:{worldPos:u,entity:o},corner:{worldPos:u,entity:o},target:{worldPos:u,entity:o},approximate:!0}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.origin.entity=o,e._mouseState=1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement));break;case 1:n?(e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.corner.entity=o,e._mouseState=2):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement));break;case 2:n?(e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.entity=o,e._currentAngleMeasurement.clickable=!0,o=null,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._mouseState=0):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement))}});var d=function(t){if(n=!1,s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!1),e.markerDiv.style.left="-100px",e.markerDiv.style.top="-100px",e._currentAngleMeasurement){switch(e._mouseState){case 0:e._currentAngleMeasurement.originVisible=!1;break;case 1:e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1;break;case 2:e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1}i.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&d(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||d(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Ot=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"AngleMeasurements",e))._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),angleMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new Ut(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.corner,s=t.target,n=new Rt(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},corner:{entity:r.entity,worldPos:r.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:t.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[n.id]=n,n.on("destroyed",(function(){delete e._measurements[n.id]})),n.clickable=!0,this.fire("measurementCreated",n),n}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].labelShown=e}}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Nt=function(e){g(i,Lt);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentAngleMeasurement=null,r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._touchState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),c=null,A=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var d=r.touches[0],p=d.clientX,f=d.clientY;switch(a.set([p,f]),l.set([p,f]),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(v.snappedCanvasPos);else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(g.canvasPos)}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement?e._currentAngleMeasurement.origin.worldPos=s:(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:v.worldPos,entity:v.entity},corner:{worldPos:v.worldPos,entity:v.entity},target:{worldPos:v.worldPos,entity:v.entity}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement),e._touchState=2,A())}),e._longTouchTimeoutMs),e._touchState=1,c=d.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.corner.worldPos=r.worldPos,e._currentAngleMeasurement.corner.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,A()}}),e._longTouchTimeoutMs),e._touchState=4),c=d.identifier;break;case 6:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentAngleMeasurement.target.worldPos=r.worldPos,e._currentAngleMeasurement.target.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=8,A()}}),e._longTouchTimeoutMs),e._touchState=7),c=d.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(t){e.pointerCircle.stop();var r=t.touches.length;if(1===r&&1===t.changedTouches.length){var n,a,u=t.touches[0],A=u.clientX,h=u.clientY;if(u.identifier===c)switch(l.set([A,h]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(n.worldPos),e._currentAngleMeasurement.origin.worldPos=n.worldPos):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),s.set(a.worldPos),e._currentAngleMeasurement.origin.worldPos=a.worldPos):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.corner.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.corner.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e._touchState=5;break;case 8:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.target.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.target.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0),e._touchState=8}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var A=r.changedTouches[0],d=A.clientX,p=A.clientY;if(A.identifier===c)switch(o&&(clearTimeout(o),o=null),u.set([d,p]),e._touchState){case 1:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=0);var f=i.pick({canvasPos:l,pickSurface:!0});f&&f.worldPos?(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:f.worldPos},corner:{worldPos:f.worldPos},target:{worldPos:f.worldPos}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=3):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=3);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentAngleMeasurement.corner.worldPos=v.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=6):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 5:e.pointerLens&&(e.pointerLens.visible=!1),e._touchState=6,h();break;case 7:if(1!==s||d>a[0]+n||d<a[0]-n||p>a[1]+n||p<a[1]-n)return void(e._touchState=6);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentAngleMeasurement.target.worldPos=g.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0,h();break;case 8:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement&&e._currentAngleMeasurement.targetVisible?(e._currentAngleMeasurement.clickable=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._touchState=0):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Qt=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;P(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=It({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Vt=function(e){g(i,Qt);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),Ht=function(e){g(i,Qt);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),jt=re.vec3(),Gt=re.vec3(),zt=re.vec3(),Kt=function(e){g(i,ct);var t=_(i);function i(e,r){var s;if(P(this,i),(s=t.call(this,e,r)).plugin=r.plugin,s._container=r.container,!s._container)throw"config missing: container";if(!r.markerElement&&!r.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!r.labelElement&&!r.labelHTML)throw"config missing: need either labelElement or labelHTML";return s._htmlDirty=!1,r.markerElement?(s._marker=r.markerElement,s._marker.addEventListener("click",s._onMouseClickedExternalMarker=function(){s.plugin.fire("markerClicked",b(s))}),s._onContextMenuExternalMarker=function(){s.plugin.fire("contextmenu",b(s))},s._onContextMenuExternalMarkerRemover=Ne(s._marker,s._onContextMenuExternalMarker),s._marker.addEventListener("mouseenter",s._onMouseEnterExternalMarker=function(){s.plugin.fire("markerMouseEnter",b(s))}),s._marker.addEventListener("mouseleave",s._onMouseLeaveExternalMarker=function(){s.plugin.fire("markerMouseLeave",b(s))}),s._markerExternal=!0):(s._markerHTML=r.markerHTML,s._htmlDirty=!0,s._markerExternal=!1),r.labelElement?(s._label=r.labelElement,s._labelExternal=!0):(s._labelHTML=r.labelHTML,s._htmlDirty=!0,s._labelExternal=!1),s._markerShown=!!r.markerShown,s._labelShown=!!r.labelShown,s._values=r.values||{},s._layoutDirty=!0,s._visibilityDirty=!0,s._labelPosition=24,s._buildHTML(),s._onTick=s.scene.on("tick",(function(){s._htmlDirty&&(s._buildHTML(),s._htmlDirty=!1,s._layoutDirty=!0,s._visibilityDirty=!0),(s._layoutDirty||s._visibilityDirty)&&(s._markerShown||s._labelShown)&&(s._updatePosition(),s._layoutDirty=!1),s._visibilityDirty&&(s._marker.style.visibility=s.visible&&s._markerShown?"visible":"hidden",s._label.style.visibility=s.visible&&s._markerShown&&s._labelShown?"visible":"hidden",s._visibilityDirty=!1)})),s.on("canvasPos",(function(){s._layoutDirty=!0})),s.on("visible",(function(){s._visibilityDirty=!0})),s.setMarkerShown(!1!==r.markerShown),s.setLabelShown(r.labelShown),s.eye=r.eye?r.eye.slice():null,s.look=r.look?r.look.slice():null,s.up=r.up?r.up.slice():null,s.projection=r.projection,s}return C(i,[{key:"_buildHTML",value:function(){var e=this;if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);var t=this._markerHTML||"<p></p>";he.isArray(t)&&(t=t.join("")),t=this._renderTemplate(t.trim());var i=document.createRange().createContextualFragment(t);this._marker=i.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(function(){e.plugin.fire("markerClicked",e)})),Ne(this._marker,(function(t){t.preventDefault(),e.plugin.fire("contextmenu",e)})),this._marker.addEventListener("mouseenter",(function(){e.plugin.fire("markerMouseEnter",e)})),this._marker.addEventListener("mouseleave",(function(){e.plugin.fire("markerMouseLeave",e)})),this._marker.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);var r=this._labelHTML||"<p></p>";he.isArray(r)&&(r=r.join("")),r=this._renderTemplate(r.trim());var s=document.createRange().createContextualFragment(r);this._label=s.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}}},{key:"_updatePosition",value:function(){var e=function(e){return e+"px"},t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],r=t[1]+this.canvasPos[1],s=this._marker.getBoundingClientRect().width,n=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(s/2-12);this._marker.style.left=e(n-s/2),this._marker.style.top=e(r-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;var o=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(n+a*(s/2+Math.abs(this._labelPosition)+o/2)-o/2),this._label.style.top=e(r-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}},{key:"_renderTemplate",value:function(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){var i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}},{key:"setFromPickResult",value:function(e){if(e.worldPos&&e.worldNormal){var t=re.normalizeVec3(e.worldNormal,jt),i=this.plugin&&this.plugin.surfaceOffset||0,r=re.mulVec3Scalar(t,i,Gt),s=re.addVec3(e.worldPos,r,zt);this.entity=e.entity,this.worldPos=s}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}},{key:"setMarkerAlign",value:function(e){var t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}},{key:"setLabelPosition",value:function(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}},{key:"setMarkerShown",value:function(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}},{key:"getMarkerShown",value:function(){return this._markerShown}},{key:"setLabelShown",value:function(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}},{key:"getLabelShown",value:function(){return this._labelShown}},{key:"setField",value:function(e,t){this._values[e]=t||"",this._htmlDirty=!0}},{key:"getField",value:function(e){return this._values[e]}},{key:"setValues",value:function(e){for(var t in e)if(e.hasOwnProperty(t)){var i=e[t];this.setField(t,i)}}},{key:"getValues",value:function(){return this._values}},{key:"destroy",value:function(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._onContextMenuExternalMarkerRemover(),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Wt=function(e){g(i,Ue);var t=_(i);function i(e,r){var s;return P(this,i),(s=t.call(this,"Annotations",e))._labelHTML=r.labelHTML||"<div></div>",s._markerHTML=r.markerHTML||"<div></div>",s._container=r.container||document.body,s._values=r.values||{},s.annotations={},s.surfaceOffset=r.surfaceOffset,s}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){if("clearAnnotations"===e)this.clear()}},{key:"surfaceOffset",get:function(){return this._surfaceOffset},set:function(e){null==e&&(e=.3),this._surfaceOffset=e}},{key:"createAnnotation",value:function(e){var t=this;this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var i=null;e.markerElementId&&((i=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var r=null;e.labelElementId&&((r=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));var s=new Kt(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:i,labelElement:r,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:he.apply(e.values,he.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(function(){delete t.annotations[s.id],t.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}},{key:"destroyAnnotation",value:function(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.annotations),t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}},{key:"destroy",value:function(){this.clear(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Xt=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._canvas=s.canvas,r._element=null,r._isCustom=!1,s.elementId&&(r._element=document.getElementById(s.elementId),r._element?r._adjustPosition():r.error("Can't find given Spinner HTML element: '"+s.elementId+"' - will automatically create default element")),r._element||r._createDefaultSpinner(),r.processes=0,r}return C(i,[{key:"type",get:function(){return"Spinner"}},{key:"_createDefaultSpinner",value:function(){this._injectDefaultCSS();var e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}},{key:"_injectDefaultCSS",value:function(){var e="xeokit-spinner-css";if(!document.getElementById(e)){var t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}}},{key:"_adjustPosition",value:function(){if(!this._isCustom){var e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}}},{key:"processes",get:function(){return this._processes},set:function(e){if(e=e||0,this._processes!==e&&!(e<0)){var t=this._processes;this._processes=e;var i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}}},{key:"_destroy",value:function(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);var e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}]),i}(),Jt=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"],Yt=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s))._backgroundColor=re.vec3([s.backgroundColor?s.backgroundColor[0]:1,s.backgroundColor?s.backgroundColor[1]:1,s.backgroundColor?s.backgroundColor[2]:1]),r._backgroundColorFromAmbientLight=!!s.backgroundColorFromAmbientLight,r.canvas=s.canvas,r.gl=null,r.webgl2=!1,r.transparent=!!s.transparent,r.contextAttr=s.contextAttr||{},r.contextAttr.alpha=r.transparent,r.contextAttr.preserveDrawingBuffer=!!r.contextAttr.preserveDrawingBuffer,r.contextAttr.stencil=!1,r.contextAttr.premultipliedAlpha=!!r.contextAttr.premultipliedAlpha,r.contextAttr.antialias=!1!==r.contextAttr.antialias,r.resolutionScale=s.resolutionScale,r.canvas.width=Math.round(r.canvas.clientWidth*r._resolutionScale),r.canvas.height=Math.round(r.canvas.clientHeight*r._resolutionScale),r.boundary=[r.canvas.offsetLeft,r.canvas.offsetTop,r.canvas.clientWidth,r.canvas.clientHeight],r._initWebGL(s);var n=b(r);r.canvas.addEventListener("webglcontextlost",r._webglcontextlostListener=function(e){console.time("webglcontextrestored"),n.scene._webglContextLost(),n.fire("webglcontextlost"),e.preventDefault()},!1),r.canvas.addEventListener("webglcontextrestored",r._webglcontextrestoredListener=function(e){n._initWebGL(),n.gl&&(n.scene._webglContextRestored(n.gl),n.fire("webglcontextrestored",n.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);var o=!0,a=new ResizeObserver((function(e){var t,i=h(e);try{for(i.s();!(t=i.n()).done;){t.value.contentBoxSize&&(o=!0)}}catch(e){i.e(e)}finally{i.f()}}));return a.observe(r.canvas),r._tick=r.scene.on("tick",(function(){o&&(o=!1,n.canvas.width=Math.round(n.canvas.clientWidth*n._resolutionScale),n.canvas.height=Math.round(n.canvas.clientHeight*n._resolutionScale),n.boundary[0]=n.canvas.offsetLeft,n.boundary[1]=n.canvas.offsetTop,n.boundary[2]=n.canvas.clientWidth,n.boundary[3]=n.canvas.clientHeight,n.fire("boundary",n.boundary))})),r._spinner=new Xt(r.scene,{canvas:r.canvas,elementId:s.spinnerElementId}),r}return C(i,[{key:"type",get:function(){return"Canvas"}},{key:"backgroundColorFromAmbientLight",get:function(){return this._backgroundColorFromAmbientLight},set:function(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}},{key:"backgroundColor",get:function(){return this._backgroundColor},set:function(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}},{key:"resolutionScale",get:function(){return this._resolutionScale},set:function(e){if((e=e||1)!==this._resolutionScale){this._resolutionScale=e;var t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}}},{key:"spinner",get:function(){return this._spinner}},{key:"_createCanvas",value:function(){var e="xeokit-canvas-"+re.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),r=i.style;r.height="100%",r.width="100%",r.padding="0",r.margin="0",r.background="rgba(0,0,0,0);",r.float="left",r.left="0",r.top="0",r.position="absolute",r.opacity="1.0",r["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}},{key:"_getElementXY",value:function(e){for(var t=0,i=0;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}},{key:"_initWebGL",value:function(){if(!this.gl)for(var e=0;!this.gl&&e<Jt.length;e++)try{this.gl=this.canvas.getContext(Jt[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));var t=this.gl,i="__",r=t.activeTexture;t.activeTexture=function(e){i!==e&&(i=e,r.call(this,e))};var s={},n=t.bindTexture;t.bindTexture=function(e,t){s[i]!==t&&(s[i]=t,n.call(this,e,t))},this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}},{key:"getSnapshot",value:function(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}},{key:"readPixels",value:function(e,t,i,r){return this.scene._renderer.readPixels(e,t,i,r)}},{key:"loseWebGLContext",value:function(){this.canvas.loseContext&&this.canvas.loseContext()}},{key:"destroy",value:function(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Zt=function(){function e(t){P(this,e),this._scene=t,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}return C(e,[{key:"reset",value:function(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=re.vec3(),this.snapPickOrigin=re.vec3()}},{key:"getRTCViewMatrix",value:function(e,t){var i=this._rtcViewMats[e];return i||(i=this._getNewMat(),ze(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}},{key:"getRTCPickViewMatrix",value:function(e,t){var i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();var r=this.pickViewMatrix||this._scene.camera.viewMatrix;ze(r,t,i),this._rtcPickViewMats[e]=i}return i}},{key:"_getNewMat",value:function(){var e=this._matPool[this._matPoolNextFreeIndex];return e||(e=re.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}]),e}(),qt={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},$t=document.createElement("canvas");if($t){var ei=$t.getContext("webgl",{antialias:!0})||$t.getContext("experimental-webgl",{antialias:!0});qt.WEBGL=!!ei,qt.WEBGL&&(qt.ANTIALIAS=ei.getContextAttributes().antialias,ei.getShaderPrecisionFormat?ei.getShaderPrecisionFormat(ei.FRAGMENT_SHADER,ei.HIGH_FLOAT).precision>0?qt.FS_MAX_FLOAT_PRECISION="highp":ei.getShaderPrecisionFormat(ei.FRAGMENT_SHADER,ei.MEDIUM_FLOAT).precision>0?qt.FS_MAX_FLOAT_PRECISION="mediump":qt.FS_MAX_FLOAT_PRECISION="lowp":qt.FS_MAX_FLOAT_PRECISION="mediump",qt.DEPTH_BUFFER_BITS=ei.getParameter(ei.DEPTH_BITS),qt.MAX_TEXTURE_SIZE=ei.getParameter(ei.MAX_TEXTURE_SIZE),qt.MAX_CUBE_MAP_SIZE=ei.getParameter(ei.MAX_CUBE_MAP_TEXTURE_SIZE),qt.MAX_RENDERBUFFER_SIZE=ei.getParameter(ei.MAX_RENDERBUFFER_SIZE),qt.MAX_TEXTURE_UNITS=ei.getParameter(ei.MAX_COMBINED_TEXTURE_IMAGE_UNITS),qt.MAX_TEXTURE_IMAGE_UNITS=ei.getParameter(ei.MAX_TEXTURE_IMAGE_UNITS),qt.MAX_VERTEX_ATTRIBS=ei.getParameter(ei.MAX_VERTEX_ATTRIBS),qt.MAX_VERTEX_UNIFORM_VECTORS=ei.getParameter(ei.MAX_VERTEX_UNIFORM_VECTORS),qt.MAX_FRAGMENT_UNIFORM_VECTORS=ei.getParameter(ei.MAX_FRAGMENT_UNIFORM_VECTORS),qt.MAX_VARYING_VECTORS=ei.getParameter(ei.MAX_VARYING_VECTORS),ei.getSupportedExtensions().forEach((function(e){qt.SUPPORTED_EXTENSIONS[e]=!0})))}var ti=function(){function e(){P(this,e),this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}return C(e,[{key:"canvasPos",get:function(){return this._gotCanvasPos?this._canvasPos:null},set:function(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}},{key:"origin",get:function(){return this._gotOrigin?this._origin:null},set:function(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}},{key:"direction",get:function(){return this._gotDirection?this._direction:null},set:function(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}},{key:"indices",get:function(){return this.entity&&this._gotIndices?this._indices:null},set:function(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}},{key:"localPos",get:function(){return this.entity&&this._gotLocalPos?this._localPos:null},set:function(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}},{key:"snappedCanvasPos",get:function(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null},set:function(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}},{key:"worldPos",get:function(){return this._gotWorldPos?this._worldPos:null},set:function(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}},{key:"viewPos",get:function(){return this.entity&&this._gotViewPos?this._viewPos:null},set:function(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}},{key:"bary",get:function(){return this.entity&&this._gotBary?this._bary:null},set:function(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}},{key:"worldNormal",get:function(){return this.entity&&this._gotWorldNormal?this._worldNormal:null},set:function(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}},{key:"uv",get:function(){return this.entity&&this._gotUV?this._uv:null},set:function(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}},{key:"snapped",get:function(){return this.snappedToEdge||this.snappedToVertex}},{key:"reset",value:function(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}]),e}(),ii=function(){function e(t,i,r){if(P(this,e),this.allocated=!1,this.compiled=!1,this.handle=t.createShader(i),this.handle){if(this.allocated=!0,t.shaderSource(this.handle,r),t.compileShader(this.handle),this.compiled=t.getShaderParameter(this.handle,t.COMPILE_STATUS),!this.compiled&&!t.isContextLost()){for(var s=r.split("\n"),n=[],o=0;o<s.length;o++)n.push(o+1+": "+s[o]+"\n");this.errors=[],this.errors.push(""),this.errors.push(t.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(n.join(""))}}else this.errors=["Failed to allocate"]}return C(e,[{key:"destroy",value:function(){}}]),e}(),ri=C((function e(t,i){P(this,e),this.bindTexture=function(e,r){return!!e.bind(r)&&(t.uniform1i(i,r),!0)}})),si=function(){function e(t,i){P(this,e),this._gl=t,this.location=i}return C(e,[{key:"bindArrayBuffer",value:function(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}]),e}(),ni=new G({});function oi(e){for(var t,i,r=[],s=0,n=e.length;s<n;s++)(i=(t=e[s]).indexOf("/"))>0&&"/"===t.charAt(i+1)&&(t=t.substring(0,i)),r.push(t);return r.join("\n")}function ai(e){console.error(e.join("\n"))}var li=function(){function e(t,i){P(this,e),this.id=ni.addItem({}),this.source=i,this.init(t)}return C(e,[{key:"init",value:function(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new ii(e,e.VERTEX_SHADER,oi(this.source.vertex)),this._fragmentShader=new ii(e,e.FRAGMENT_SHADER,oi(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void ai(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void ai(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void ai(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void ai(this.errors);var t,i,r,s,n;if(this.compiled=!0,this.handle=e.createProgram(),this.handle){if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void ai(this.errors);var o=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<o;++i)(r=e.getActiveUniform(this.handle,i))&&("\0"===(s=r.name)[s.length-1]&&(s=s.substr(0,s.length-1)),n=e.getUniformLocation(this.handle,s),r.type===e.SAMPLER_2D||r.type===e.SAMPLER_CUBE||35682===r.type||e instanceof WebGL2RenderingContext&&(r.type===e.UNSIGNED_INT_SAMPLER_2D||r.type===e.INT_SAMPLER_2D)?this.samplers[s]=new ri(e,n):this.uniforms[s]=n);var a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)(t=e.getActiveAttrib(this.handle,i))&&(n=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new si(e,n));this.allocated=!0}else this.errors=["Failed to allocate program"]}},{key:"bind",value:function(){this.allocated&&this.gl.useProgram(this.handle)}},{key:"getLocation",value:function(e){if(this.allocated)return this.uniforms[e]}},{key:"getAttribute",value:function(e){if(this.allocated)return this.attributes[e]}},{key:"bindTexture",value:function(e,t,i){if(!this.allocated)return!1;var r=this.samplers[e];return!!r&&r.bindTexture(t,i)}},{key:"destroy",value:function(){this.allocated&&(ni.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}]),e}(),ui=function(){function e(t,i,r,s,n,o,a,l,u){switch(P(this,e),this._gl=t,this.type=i,this.allocated=!1,r.constructor){case Uint8Array:this.itemType=t.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=t.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=t.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=t.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=t.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=t.INT,this.itemByteSize=4;break;default:this.itemType=t.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=n,this.normalized=!!a,this.stride=l||0,this.offset=u||0,this._allocate(r)}return C(e,[{key:"_allocate",value:function(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}},{key:"setData",value:function(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}},{key:"bind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}},{key:"unbind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,null)}},{key:"destroy",value:function(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}]),e}(),ci=function(){function e(t,i){P(this,e),this.scene=t,this.aabb=re.AABB3(),this.origin=re.vec3(i),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}return C(e,[{key:"addMarker",value:function(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}},{key:"markerWorldPosUpdated",value:function(e){if(this.markers[e.id]){var t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}}},{key:"removeMarker",value:function(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}},{key:"update",value:function(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}},{key:"_buildMarkerList",value:function(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}},{key:"_buildPositions",value:function(){for(var e=0,t=0;t<this.numMarkers;t++)if(this.markerList[t]){var i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}},{key:"_buildAABB",value:function(){var e=this.aabb;re.collapseAABB3(e),re.expandAABB3Points3(e,this.positions);var t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}},{key:"_buildVBOs",value:function(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}var e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new ui(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}},{key:"_buildOcclusionTestList",value:function(){var e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,r=i[2],s=i[3],n=0;this.lenOcclusionTestList=0;for(var o=0;o<this.numMarkers;o++){var a=this.markerList[o];if(a.viewPos[2]>-t)a._setVisible(!1);else{var l=a.canvasPos,u=l[0],c=l[1];u+10<0||c+10<0||u-10>r||c-10>s?a._setVisible(!1):!a.entity||a.entity.visible?a.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=a,this.pixels[n++]=u,this.pixels[n++]=c):a._setVisible(!0):a._setVisible(!1)}}}},{key:"_updateActiveSectionPlanes",value:function(){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i];if(r.active){var s=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===s)return void(this.culledBySectionPlanes=!0);var n=0===s;this.sectionPlanesActive[i]=n}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}},{key:"destroy",value:function(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}]),e}(),Ai=re.vec3([1,0,0]),hi=re.vec3(),di=function(){function e(t,i){var r=this;P(this,e),this._scene=t,this._renderBufferManager=i,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=t.camera.on("viewMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCameraProjMatrix=t.camera.on("projMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCanvasBoundary=t.canvas.on("boundary",(function(){r._occlusionTestListDirty=!0}))}return C(e,[{key:"addMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i||(i=new ci(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}},{key:"markerWorldPosUpdated",value:function(e){var t=this._markersToOcclusionLayersMap[e.id];if(t){var i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);var r=this._occlusionLayers[i];r||(r=new ci(this._scene,e.origin),this._occlusionLayers[i]=r,this._occlusionLayersListDirty=!0),r.addMarker(e),this._markersToOcclusionLayersMap[e.id]=r}else t.markerWorldPosUpdated(e)}}},{key:"removeMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}},{key:"needOcclusionTest",get:function(){return this._occlusionTestListDirty}},{key:"bindRenderBuf",value:function(){var e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(var t=0,i=this._occlusionLayersList.length;t<i;t++){this._occlusionLayersList[t].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}},{key:"_buildOcclusionLayersList",value:function(){var e=0;for(var t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}},{key:"_buildShaderSource",value:function(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}},{key:"_buildVertexShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}},{key:"_buildFragmentShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// OcclusionTester fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  float dist = 0.0;");for(var n=0;n<t.sectionPlanes.length;n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),r.push("}"),r}},{key:"_buildProgram",value:function(){this._program&&this._program.destroy();var e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new li(t,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=i.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}}},{key:"drawMarkers",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e._sectionPlanesState,s=e.camera,n=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s._project._state.matrix),e.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=this._occlusionLayersList.length;a<l;a++){var u=this._occlusionLayersList[a];if(u.update(),!u.culledBySectionPlanes){var c=u.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,ze(s.viewMatrix,c));var A=r.sectionPlanes.length;if(A>0)for(var h=r.sectionPlanes,d=0;d<A;d++){var p=this._uSectionPlanes[d];if(p){var f=u.sectionPlanesActive[d];if(t.uniform1i(p.active,f?1:0),f){var v=h[d];t.uniform3fv(p.pos,Je(v.dist,v.dir,c,hi)),t.uniform3fv(p.dir,v.dir)}}}this._aPosition.bindArrayBuffer(u.positionsBuf);var g=u.indicesBuf;g.bind(),t.drawElements(t.POINTS,g.numItems,g.itemType,0)}}}},{key:"doOcclusionTest",value:function(){for(var e=this._scene.canvas.resolutionScale,t=255*Ai[0],i=255*Ai[1],r=255*Ai[2],s=0,n=this._occlusionLayersList.length;s<n;s++)for(var o=this._occlusionLayersList[s],a=0;a<o.lenOcclusionTestList;a++){var l=o.occlusionTestList[a],u=2*a,c=this._readPixelBuf.read(Math.round(o.pixels[u]*e),Math.round(o.pixels[u+1]*e)),A=c[0]===t&&c[1]===i&&c[2]===r;l._setVisible(A)}}},{key:"unbindRenderBuf",value:function(){this._readPixelBuf.unbind()}},{key:"destroy",value:function(){if(!this.destroyed){for(var e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}]),e}(),pi=re.vec2(),fi=function(){function e(t){P(this,e),this._scene=t,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}return C(e,[{key:"render",value:function(e){var t=this;if(this._build(),!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;t._scene.camera.on("projMatrix",(function(){e=!0}));var i=re.mat4();return function(){return e&&re.inverseMat4(s.camera.projMatrix,i),i}}());var i=this._scene.canvas.gl,r=this._program,s=this._scene,n=s.sao,o=i.drawingBufferWidth,a=i.drawingBufferHeight,l=s.camera.project._state,u=l.near,c=l.far,A=l.matrix,h=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;pi[0]=o,pi[1]=a,i.viewport(0,0,o,a),i.clearColor(0,0,0,1),i.disable(i.DEPTH_TEST),i.disable(i.BLEND),i.frontFace(i.CCW),i.clear(i.COLOR_BUFFER_BIT),r.bind(),i.uniform1f(this._uCameraNear,u),i.uniform1f(this._uCameraFar,c),i.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,A),i.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,h),i.uniform1i(this._uPerspective,p),i.uniform1f(this._uScale,n.scale*(c/5)),i.uniform1f(this._uIntensity,n.intensity),i.uniform1f(this._uBias,n.bias),i.uniform1f(this._uKernelRadius,n.kernelRadius),i.uniform1f(this._uMinResolution,n.minResolution),i.uniform2fv(this._uViewport,pi),i.uniform1f(this._uRandomSeed,d);var f=e.getDepthTexture();r.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),i.drawElements(i.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"_build",value:function(){var e=!1,t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),e){var i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new li(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:["#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ".concat(this._numSamples,"\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var r=new Float32Array([1,1,0,1,0,0,1,0]),s=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),n=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new ui(i,i.ARRAY_BUFFER,s,s.length,3,i.STATIC_DRAW),this._uvBuf=new ui(i,i.ARRAY_BUFFER,r,r.length,2,i.STATIC_DRAW),this._indicesBuf=new ui(i,i.ELEMENT_ARRAY_BUFFER,n,n.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}}},{key:"destroy",value:function(){this._program&&(this._program.destroy(),this._program=null)}}]),e}(),vi=new Float32Array(Bi(17,[0,1])),gi=new Float32Array(Bi(17,[1,0])),mi=new Float32Array(function(e,t){for(var i=[],r=0;r<=e;r++)i.push(bi(r,t));return i}(17,4)),_i=new Float32Array(2),yi=function(){function e(t){P(this,e),this._scene=t,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}return C(e,[{key:"init",value:function(){var e=this._scene.canvas.gl;if(this._program=new li(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS ".concat(16,"\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),r=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new ui(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new ui(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new ui(e,e.ELEMENT_ARRAY_BUFFER,r,r.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}},{key:"render",value:function(e,t,i){var r=this;if(!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;r._scene.camera.on("projMatrix",(function(){e=!0}));var t=re.mat4();return function(){return e&&re.inverseMat4(o.camera.projMatrix,t),t}}());var s=this._scene.canvas.gl,n=this._program,o=this._scene,a=s.drawingBufferWidth,l=s.drawingBufferHeight,u=o.camera.project._state,c=u.near,A=u.far;s.viewport(0,0,a,l),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),n.bind(),_i[0]=a,_i[1]=l,s.uniform2fv(this._uViewport,_i),s.uniform1f(this._uCameraNear,c),s.uniform1f(this._uCameraFar,A),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,gi):s.uniform2fv(this._uSampleOffsets,vi),s.uniform1fv(this._uSampleWeights,mi);var h=e.getDepthTexture(),d=t.getTexture();n.bindTexture(this._uDepthTexture,h,0),n.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"destroy",value:function(){this._program.destroy()}}]),e}();function bi(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function Bi(e,t){for(var i=[],r=0;r<=e;r++)i.push(t[0]*r),i.push(t[1]*r);return i}var wi=function(){function e(t,i,r){P(this,e),r=r||{},this.gl=i,this.allocated=!1,this.canvas=t,this.buffer=null,this.bound=!1,this.size=r.size,this._hasDepthTexture=!!r.depthTexture}return C(e,[{key:"setSize",value:function(e){this.size=e}},{key:"webglContextRestored",value:function(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}},{key:"bind",value:function(){if(this._touch.apply(this,arguments),!this.bound){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}}},{key:"createTexture",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=this.gl,s=r.createTexture();return r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),i?r.texStorage2D(r.TEXTURE_2D,1,i,e,t):r.texImage2D(r.TEXTURE_2D,0,r.RGBA,e,t,0,r.RGBA,r.UNSIGNED_BYTE,null),s}},{key:"_touch",value:function(){var e,t,i=this,r=this.gl;if(this.size?(e=this.size[0],t=this.size[1]):(e=r.drawingBufferWidth,t=r.drawingBufferHeight),this.buffer){if(this.buffer.width===e&&this.buffer.height===t)return;this.buffer.textures.forEach((function(e){return r.deleteTexture(e)})),r.deleteFramebuffer(this.buffer.framebuf),r.deleteRenderbuffer(this.buffer.renderbuf)}for(var s,n=[],o=arguments.length,a=new Array(o),l=0;l<o;l++)a[l]=arguments[l];a.length>0?n.push.apply(n,A(a.map((function(r){return i.createTexture(e,t,r)})))):n.push(this.createTexture(e,t)),this._hasDepthTexture&&(s=r.createTexture(),r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texImage2D(r.TEXTURE_2D,0,r.DEPTH_COMPONENT32F,e,t,0,r.DEPTH_COMPONENT,r.FLOAT,null));var u=r.createRenderbuffer();r.bindRenderbuffer(r.RENDERBUFFER,u),r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT32F,e,t);var c=r.createFramebuffer();r.bindFramebuffer(r.FRAMEBUFFER,c);for(var h=0;h<n.length;h++)r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0+h,r.TEXTURE_2D,n[h],0);if(a.length>0&&r.drawBuffers(n.map((function(e,t){return r.COLOR_ATTACHMENT0+t}))),this._hasDepthTexture?r.framebufferTexture2D(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.TEXTURE_2D,s,0):r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,u),r.bindTexture(r.TEXTURE_2D,null),r.bindRenderbuffer(r.RENDERBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,c),!r.isFramebuffer(c))throw"Invalid framebuffer";r.bindFramebuffer(r.FRAMEBUFFER,null);var d=r.checkFramebufferStatus(r.FRAMEBUFFER);switch(d){case r.FRAMEBUFFER_COMPLETE:break;case r.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case r.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+d}this.buffer={framebuf:c,renderbuf:u,texture:n[0],textures:n,depthTexture:s,width:e,height:t},this.bound=!1}},{key:"clear",value:function(){if(!this.bound)throw"Render buffer not bound";var e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}},{key:"read",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:Uint8Array,n=arguments.length>5&&void 0!==arguments[5]?arguments[5]:4,o=arguments.length>6&&void 0!==arguments[6]?arguments[6]:0,a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,u=new s(n),c=this.gl;return c.readBuffer(c.COLOR_ATTACHMENT0+o),c.readPixels(a,l,1,1,i||c.RGBA,r||c.UNSIGNED_BYTE,u,0),u}},{key:"readArray",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:Uint8Array,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:4,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0,n=new i(this.buffer.width*this.buffer.height*r),o=this.gl;return o.readBuffer(o.COLOR_ATTACHMENT0+s),o.readPixels(0,0,this.buffer.width,this.buffer.height,e||o.RGBA,t||o.UNSIGNED_BYTE,n,0),n}},{key:"readImageAsCanvas",value:function(){var e=this.gl,t=this._getImageDataCache(),i=t.pixelData,r=t.canvas,s=t.imageData,n=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);for(var o=this.buffer.width,a=this.buffer.height,l=a/2|0,u=4*o,c=new Uint8Array(4*o),A=0;A<l;++A){var h=A*u,d=(a-A-1)*u;c.set(i.subarray(h,h+u)),i.copyWithin(h,d,d+u),i.set(c,d)}return s.data.set(i),n.putImageData(s,0,0),r}},{key:"readImage",value:function(e){var t=this.gl,i=this._getImageDataCache(),r=i.pixelData,s=i.canvas,n=i.imageData,o=i.context,a=this.buffer,l=a.width,u=a.height;t.readPixels(0,0,l,u,t.RGBA,t.UNSIGNED_BYTE,r),n.data.set(r),o.putImageData(n,0,0),o.save(),o.globalCompositeOperation="copy",o.scale(1,-1),o.drawImage(s,0,-u,l,u),o.restore();var c=e.format||"png";return"jpeg"!==c&&"png"!==c&&"bmp"!==c&&(console.error("Unsupported image format: '"+c+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),c="png"),s.toDataURL("image/".concat(c))}},{key:"_getImageDataCache",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Uint8Array,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4,i=this.buffer.width,r=this.buffer.height,s=this._imageDataCache;if(s&&(s.width===i&&s.height===r||(this._imageDataCache=null,s=null)),!s){var n=document.createElement("canvas"),o=n.getContext("2d");n.width=i,n.height=r,s={pixelData:new e(i*r*t),canvas:n,context:o,imageData:o.createImageData(i,r),width:i,height:r},this._imageDataCache=s}return s.context.resetTransform(),s}},{key:"unbind",value:function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}},{key:"getTexture",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}},{key:"hasDepthTexture",value:function(){return this._hasDepthTexture}},{key:"getDepthTexture",value:function(){if(!this._hasDepthTexture)return null;var e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}},{key:"destroy",value:function(){if(this.allocated){var e=this.gl;this.buffer.textures.forEach((function(t){return e.deleteTexture(t)})),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}]),e}(),Pi=function(){function e(t){P(this,e),this.scene=t,this._renderBuffersBasic={},this._renderBuffersScaled={}}return C(e,[{key:"getRenderBuffer",value:function(e,t){var i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled,r=i[e];return r||(r=new wi(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=r),r}},{key:"destroy",value:function(){for(var e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(var t in this._renderBuffersScaled)this._renderBuffersScaled[t].destroy()}}]),e}();function xi(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];var i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}var Ci=re.vec3([0,0,0]),Mi=function(e,t){t=t||{};var i=new Zt(e),r=e.canvas.canvas,s=e.canvas.gl,n=!!t.transparent,o=t.alphaDepthMask,a=new G({}),l={},u={},c=[],A=[],h=!0,d=!0,p=!0,f=!0,v=!0,g=!0,m=!0,_=!0,y=new Pi(e),b=!1,B=new fi(e),w=new yi(e);function P(){h&&(!function(){for(var e in l)if(l.hasOwnProperty(e)){var t=l[e],i=t.drawableMap,r=t.drawableListPreCull,s=0;for(var n in i)i.hasOwnProperty(n)&&(r[s++]=i[n]);r.length=s}}(),h=!1,d=!0),d&&(!function(){var e=0;for(var t in l)if(l.hasOwnProperty(t))for(var i=l[t].drawableListPreCull,r=0,s=i.length;r<s;r++){var n=i[r];c[e++]=n}c.length=e,c.sort((function(e,t){return e.renderOrder-t.renderOrder}))}(),d=!1,p=!0),p&&function(){for(var e=0,t=0,i=c.length;t<i;t++){var r=c[t];r.rebuildRenderFlags(),r.renderFlags.culled||(A[e++]=r)}A.length=e}()}function x(e){if(e.castsShadow){var t=e.getShadowRenderBuf();if(t){for(var r in t.bind(),i.reset(),i.backfaces=!0,i.frontface=!0,i.shadowViewMatrix=e.getShadowViewMatrix(),i.shadowProjMatrix=e.getShadowProjMatrix(),s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),l)if(l.hasOwnProperty(r))for(var n=l[r].drawableList,o=0,a=n.length;o<a;o++){var u=n[o];!1!==u.visible&&u.castsShadow&&u.drawShadow&&(u.renderFlags.colorOpaque&&u.drawShadow(i))}t.unbind()}}}function C(t,r,n,o,l,u){var c=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=u.origin,i.pickViewMatrix=n,i.pickProjMatrix=o,i.pickInvisible=!!l.pickInvisible,i.pickClipPos=[D(r[0]*c,s.drawingBufferWidth),S(r[1]*c,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var h=l.includeEntityIds,d=l.excludeEntityIds,p=0,f=A.length;p<f;p++){var v=A[p];!0!==v.culled&&!1!==v.visible&&(!v.drawPickMesh||!0!==l.pickInvisible&&!1===v.visible||!1===v.pickable||h&&!h[v.id]||d&&d[v.id]||v.drawPickMesh(i))}var g=t.read(0,0),m=g[0]+(g[1]<<8)+(g[2]<<16)+(g[3]<<24);if(!(m<0))return a.items[m]}function M(t,r,n,o,a,l){if(r.drawPickTriangles){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.drawPickTriangles(i);var c=t.read(0,0),A=c[0]+256*c[1]+256*c[2]*256+256*c[3]*256*256;A*=3,l.primIndex=A}}this.scene=e,this._occlusionTester=null,this.capabilities={astcSupported:!!xi(s,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!xi(s,"WEBGL_compressed_texture_etc"),dxtSupported:!!xi(s,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!xi(s,"EXT_texture_compression_bptc"),pvrtcSupported:!(!xi(s,"WEBGL_compressed_texture_pvrtc")&&!xi(s,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){f=e,p=!0},this.setEdgesEnabled=function(e){v=e,p=!0},this.setSAOEnabled=function(e){g=e,p=!0},this.setPBREnabled=function(e){m=e,p=!0},this.setColorTextureEnabled=function(e){_=e,p=!0},this.needStateSort=function(){d=!0},this.shadowsDirty=function(){},this.imageDirty=function(){p=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){B.init(),w.init(),p=!0},this.addDrawable=function(e,t){var i=t.type;if(i){var r=l[i];r||(r={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},l[i]=r),r.count++,r.drawableMap[e]=t,u[e]=t,h=!0}else console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring")},this.removeDrawable=function(e){var t=u[e];if(t){var i=t.type,r=l[i];--r.count<=0?delete l[i]:delete r.drawableMap[e],delete u[e],h=!0}else console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring")},this.getPickID=function(e){return a.addItem(e)},this.putPickID=function(e){a.removeItem(e)},this.clear=function(t){if(s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(1,1,1,1);else{var i=e.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():e.canvas.backgroundColor;s.clearColor(i[0],i[1],i[2],1)}s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT)},this.needsRender=function(){return p||h||d},this.render=function(t){(t=t||{}).force&&(p=!0),P(),p&&(!function(t){var r=e.sao;g&&r.possible&&function(t){var r=e.sao,n=y.getRenderBuffer("saoDepth",{depthTexture:!0});n.bind(),n.clear(),function(e){i.reset(),i.pass=e.pass,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),!1!==e.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var t=0,r=A.length;t<r;t++){var n=A[t];!0!==n.culled&&!1!==n.visible&&n.drawDepth&&n.saoEnabled&&(n.renderFlags.colorOpaque&&n.drawDepth(i))}}(t),n.unbind();var o=y.getRenderBuffer("saoOcclusion");if(o.bind(),o.clear(),B.render(n),o.unbind(),r.blur){var a=y.getRenderBuffer("saoOcclusion2");a.bind(),a.clear(),w.render(n,o,0),a.unbind(),o.bind(),o.clear(),w.render(n,a,1),o.unbind()}}(t);(function(){for(var t=e._lightsState.lights,i=0,r=t.length;i<r;i++){var s=t[i];s.castsShadow&&x(s)}})(),function(t){var r=[],a=[],l=[],u=[],c=[],h=[],d=[],p=[],b=[],B=[],w=[],P=[],x=[],C=[],M=[],E=[],F=e._lightsState.getAmbientColorAndIntensity();if(i.reset(),i.pass=t.pass,i.withSAO=!1,i.pbrEnabled=m&&!!e.pbrEnabled,i.colorTextureEnabled=_&&!!e.colorTextureEnabled,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(0,0,0,0);else{var k=e.canvas.backgroundColorFromAmbientLight?F:e.canvas.backgroundColor;s.clearColor(k[0],k[1],k[2],1)}s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),s.lineWidth(1),i.lineWidth=1;var I,D,S=e.sao.possible;if(g&&S){var T=y.getRenderBuffer("saoOcclusion");i.occlusionTexture=T?T.getTexture():null}else i.occlusionTexture=null;var R=Date.now();!1!==t.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var L=0,U=0,O=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,K=0,W=0,X=0,J=0,Y=0,Z=0,q=0,$=A.length;q<$;q++)if(!0!==(D=A[q]).culled&&!1!==D.visible){var ee=D.renderFlags;ee.colorOpaque&&(g&&S&&D.saoEnabled?r[L++]=D:D.drawColorOpaque(i)),f&&ee.colorTransparent&&(l[O++]=D),ee.xrayedSilhouetteTransparent&&(d[H++]=D),ee.xrayedSilhouetteOpaque&&(c[Q++]=D),ee.highlightedSilhouetteTransparent&&(w[K++]=D),ee.highlightedSilhouetteOpaque&&(b[G++]=D),ee.selectedSilhouetteTransparent&&(M[Y++]=D),ee.selectedSilhouetteOpaque&&(x[X++]=D),D.edges&&v&&(ee.edgesOpaque&&(a[U++]=D),ee.edgesTransparent&&(u[N++]=D),ee.selectedEdgesTransparent&&(E[Z++]=D),ee.selectedEdgesOpaque&&(C[J++]=D),ee.xrayedEdgesTransparent&&(p[j++]=D),ee.xrayedEdgesOpaque&&(h[V++]=D),ee.highlightedEdgesTransparent&&(P[W++]=D),ee.highlightedEdgesOpaque&&(B[z++]=D))}if(L>0)for(i.withSAO=!0,I=0;I<L;I++)r[I].drawColorOpaque(i);if(U>0)for(I=0;I<U;I++)a[I].drawEdgesColorOpaque(i);if(Q>0)for(I=0;I<Q;I++)c[I].drawSilhouetteXRayed(i);if(V>0)for(I=0;I<V;I++)h[I].drawEdgesXRayed(i);if(H>0||j>0||O>0||N>0){if(s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):(s.blendEquation(s.FUNC_ADD),s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA)),i.backfaces=!1,o||s.depthMask(!1),(O>0||N>0)&&s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),N>0)for(I=0;I<N;I++)(D=u[I]).drawEdgesColorTransparent(i);if(O>0){var te=i.pickOrigin||e.camera.eye,ie=l.map((function(e){return{drawable:e,distSq:re.distVec3(e.origin||Ci,te)}}));for(ie.sort((function(e,t){return t.distSq-e.distSq})),I=0;I<O;I++)ie[I].drawable.drawColorTransparent(i)}if(j>0)for(I=0;I<j;I++)p[I].drawEdgesXRayed(i);if(H>0)for(I=0;I<H;I++)d[I].drawSilhouetteXRayed(i);s.disable(s.BLEND),o||s.depthMask(!0)}if(G>0||z>0){if(i.lastProgramId=null,e.highlightMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),z>0)for(I=0;I<z;I++)B[I].drawEdgesHighlighted(i);if(G>0)for(I=0;I<G;I++)b[I].drawSilhouetteHighlighted(i)}if(K>0||W>0||G>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),s.enable(s.CULL_FACE),W>0)for(I=0;I<W;I++)P[I].drawEdgesHighlighted(i);if(K>0)for(I=0;I<K;I++)w[I].drawSilhouetteHighlighted(i);s.disable(s.BLEND)}if(X>0||J>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),J>0)for(I=0;I<J;I++)C[I].drawEdgesSelected(i);if(X>0)for(I=0;I<X;I++)x[I].drawSilhouetteSelected(i)}if(Y>0||Z>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),Z>0)for(I=0;I<Z;I++)E[I].drawEdgesSelected(i);if(Y>0)for(I=0;I<Y;I++)M[I].drawSilhouetteSelected(i);s.disable(s.BLEND)}var se=Date.now(),ne=ae.frame;ne.renderTime=(se-R)/1e3,ne.drawElements=i.drawElements,ne.drawArrays=i.drawArrays,ne.useProgram=i.useProgram,ne.bindTexture=i.bindTexture,ne.bindArray=i.bindArray;for(var oe=qt.MAX_TEXTURE_IMAGE_UNITS,le=0;le<oe;le++)s.activeTexture(s.TEXTURE0+le);s.bindTexture(s.TEXTURE_CUBE_MAP,null),s.bindTexture(s.TEXTURE_2D,null);for(var ue=qt.MAX_VERTEX_ATTRIBS,ce=0;ce<ue;ce++)s.disableVertexAttribArray(ce)}(t)}(t),ae.frame.frameCount++,p=!1)},this.pick=function(){var t=re.vec3();re.mat4();var i=re.mat4(),s=re.vec3(),n=re.vec3([0,1,0]),o=new ti,a=re.vec2(),u=re.vec3(),c=re.vec3(),A=re.vec3();return re.vec3(),re.vec3(),function(h){var d,p=arguments.length>1&&void 0!==arguments[1]?arguments[1]:o;p.reset(),P();var f=null,v=null,g=null;for(var m in p.pickSurface=h.pickSurface,h.canvasPos?(u[0]=h.canvasPos[0],u[1]=h.canvasPos[1],f=e.camera.viewMatrix,v=e.camera.projMatrix,g=e.camera.projection,p.canvasPos=h.canvasPos):(h.matrix?(f=h.matrix,v=e.camera.projMatrix,g=e.camera.projection):(c.set(h.origin||[0,0,0]),A.set(h.direction||[0,0,1]),d=re.addVec3(c,A,t),s[0]=Math.random(),s[1]=Math.random(),s[2]=Math.random(),re.normalizeVec3(s),re.cross3Vec3(A,s,n),f=re.lookAtMat4v(c,d,n,i),v=e.camera.ortho.matrix,g="ortho",p.origin=c,p.direction=A),u[0]=.5*r.clientWidth,u[1]=.5*r.clientHeight),l)if(l.hasOwnProperty(m))for(var _=l[m].drawableList,b=0,B=_.length;b<B;b++){var w=_[b];w.setPickMatrices&&w.setPickMatrices(f,v)}var x=y.getRenderBuffer("pick",{size:[1,1]});x.bind();var E=C(x,u,f,v,h,p);if(!E)return x.unbind(),null;var k=E.delegatePickedEntity?E.delegatePickedEntity():E;return k?(h.pickSurface&&(E.canPickTriangle&&E.canPickTriangle()?(M(x,E,u,f,v,p),E.pickTriangleSurface(f,v,g,p),p.pickSurfacePrecision=!1):E.canPickWorldPos&&E.canPickWorldPos()&&(a[0]=e.camera.project.near,a[1]=e.camera.project.far,F(x,E,u,f,v,a,p),!1!==h.pickSurfaceNormal&&T(x,E,u,f,v,p),p.pickSurfacePrecision=!1)),x.unbind(),p.entity=k,p):(x.unbind(),null)}}();var E,F=function(){var t=re.vec4(),n=re.vec4(),o=re.vec4(),a=re.vec4(),l=re.vec4(),u=re.mat4(),c=re.mat4(),A=re.mat4();return function(h,d,p,f,v,g,m){var _=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=m.origin,i.pickViewMatrix=f,i.pickProjMatrix=v,i.pickZNear=g[0],i.pickZFar=g[1],i.pickElementsCount=d.pickElementsCount,i.pickElementsOffset=d.pickElementsOffset,i.pickClipPos=[D(p[0]*_,s.drawingBufferWidth),S(p[1]*_,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),d.drawPickDepths(i);var y,b=function(e){var t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return re.dotVec4(t,i)}(h.read(0,0)),B=(p[0]-r.clientWidth/2)/(r.clientWidth/2),w=-(p[1]-r.clientHeight/2)/(r.clientHeight/2),P=d.origin;if(P){var x=ze(f,P,u);y=re.mulMat4(v,x,c)}else y=re.mulMat4(v,f,c);var C=re.inverseMat4(y,A);t[0]=B,t[1]=w,t[2]=-1,t[3]=1;var M=re.transformVec4(C,t);M=re.mulVec4Scalar(M,1/M[3]),n[0]=B,n[1]=w,n[2]=1,n[3]=1;var E=re.transformVec4(C,n);E=re.mulVec4Scalar(E,1/E[3]);var F=re.subVec3(E,M,o),k=re.addVec3(M,re.mulVec4Scalar(F,b,a),l);P&&re.addVec3(k,P),m.worldPos=k}}();function k(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(var t=0,i=A.length;t<i;t++){var r=A[t];r.drawSnapInit&&!r.culled&&r.visible&&r.pickable&&r.drawSnapInit(e)}return e.snapPickLayerParams}function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(var t=0,i=A.length;t<i;t++){var r=A[t];r.drawSnapInit&&r.drawSnap&&!r.culled&&r.visible&&r.pickable&&r.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}function T(t,r,n,o,a,l){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)];var c=y.getRenderBuffer("pick-normal",{size:[3,3]});c.bind(s.RGBA32I),s.viewport(0,0,c.size[0],c.size[1]),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),r.drawPickNormals(i);var A=c.read(1,1,s.RGBA_INTEGER,s.INT,Int32Array,4);c.unbind();var h=[A[0]/re.MAX_INT,A[1]/re.MAX_INT,A[2]/re.MAX_INT];re.normalizeVec3(h),l.worldNormal=h}this.snapPick=(E=new ti,function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:E,n=t.canvasPos,o=t.origin,u=t.direction,c=t.snapRadius,A=t.snapToVertex,h=t.snapToEdge;if(!A&&!h)return this.pick({canvasPos:n,pickSurface:!0});var d=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickZNear=e.camera.project.near,i.pickZFar=e.camera.project.far;var p=c||30,f=y.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*p+1,2*p+1]});i.snapVectorA=[n?D(n[0]*d,s.drawingBufferWidth):0,n?S(n[1]*d,s.drawingBufferHeight):0],i.snapInvVectorAB=[s.drawingBufferWidth/(2*p),s.drawingBufferHeight/(2*p)],f.bind(s.RGBA32I,s.RGBA32I,s.RGBA8UI),s.viewport(0,0,f.size[0],f.size[1]),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.disable(s.CULL_FACE),s.depthMask(!0),s.disable(s.BLEND),s.depthFunc(s.LEQUAL),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),s.clearBufferiv(s.COLOR,1,new Int32Array([0,0,0,0])),s.clearBufferuiv(s.COLOR,2,new Uint32Array([0,0,0,0])),i.pickViewMatrix=n?e.camera.viewMatrix:re.lookAtMat4v(o,re.addVec3(o,u,re.vec3()),re.vec3([0,1,0]),re.mat4());var v=e.camera.projMatrix;for(var g in l)if(l.hasOwnProperty(g))for(var m=l[g].drawableList,_=0,b=m.length;_<b;_++){var B=m[_];B.setPickMatrices&&B.setPickMatrices(i.pickViewMatrix,v)}s.drawBuffers([s.COLOR_ATTACHMENT0,s.COLOR_ATTACHMENT1,s.COLOR_ATTACHMENT2]);var w=k(i),P=[];i.snapPickLayerParams=P,s.depthMask(!1),s.drawBuffers([s.COLOR_ATTACHMENT0]),A&&h?(i.snapMode="edge",I(i),i.snapMode="vertex",i.snapPickLayerNumber++,I(i)):(i.snapMode=A?"vertex":"edge",I(i)),s.depthMask(!0);var x=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4),C=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4,1),M=f.readArray(s.RGBA_INTEGER,s.UNSIGNED_INT,Uint32Array,4,2);f.unbind();var F=null,T=null,R=null,L=p,U=p,O=4*L+U*f.size[0]*4,N=x.slice(O,O+4),Q=C.slice(O,O+4),V=M.slice(O,O+4);if(0!==N[3]){var H=w[Math.abs(N[3])%w.length],j=H.origin,G=H.coordinateScale;F=[N[0]*G[0]+j[0],N[1]*G[1]+j[1],N[2]*G[2]+j[2]],T=re.normalizeVec3([Q[0]/re.MAX_INT,Q[1]/re.MAX_INT,Q[2]/re.MAX_INT]);var z=V[0]+(V[1]<<8)+(V[2]<<16)+(V[3]<<24);R=a.items[z]}for(var K=[],W=0;W<x.length;W+=4)if(x[W+3]>0){var X=Math.floor(W/4),J=f.size[0],Y=X%J-Math.floor(J/2),Z=Math.floor(X/J)-Math.floor(J/2),q=Math.sqrt(Math.pow(Y,2)+Math.pow(Z,2));K.push({x:Y,y:Z,dist:q,isVertex:A&&h?x[W+3]>P.length/2:A,result:[x[W+0],x[W+1],x[W+2],x[W+3]],normal:[C[W+0],C[W+1],C[W+2],C[W+3]],id:[M[W+0],M[W+1],M[W+2],M[W+3]]})}var $=null,ee=null,te=null,ie=null;if(K.length>0){K.sort((function(e,t){return e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist})),ie=K[0].isVertex?"vertex":"edge";var se=K[0].result,ne=K[0].normal,oe=K[0].id,ae=P[se[3]],le=ae.origin,ue=ae.coordinateScale;ee=re.normalizeVec3([ne[0]/re.MAX_INT,ne[1]/re.MAX_INT,ne[2]/re.MAX_INT]),$=[se[0]*ue[0]+le[0],se[1]*ue[1]+le[1],se[2]*ue[2]+le[2]],te=a.items[oe[0]+(oe[1]<<8)+(oe[2]<<16)+(oe[3]<<24)]}if(null===F&&null==$)return null;var ce=null;null!==$&&(ce=e.camera.projectWorldPos($));var Ae=te&&te.delegatePickedEntity?te.delegatePickedEntity():te;return!Ae&&R&&(R=R.delegatePickedEntity?R.delegatePickedEntity():R),r.reset(),r.snappedToEdge="edge"===ie,r.snappedToVertex="vertex"===ie,r.worldPos=$||F,r.worldNormal=ee||T,r.entity=Ae||R,r.canvasPos=n||e.camera.projectWorldPos(F||$),r.snappedCanvasPos=ce||n,r}),this.addMarker=function(t){this._occlusionTester=this._occlusionTester||new di(e,y),this._occlusionTester.addMarker(t),e.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){P(),this._occlusionTester.bindRenderBuf(),i.reset(),i.backfaces=!0,i.frontface=!0,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var e=0,t=A.length;e<t;e++){var r=A[e];r.drawOcclusion&&!0!==r.culled&&!1!==r.visible&&!1!==r.pickable&&r.drawOcclusion(i)}this._occlusionTester.drawMarkers(i),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,r){var s,n,o,a,l=y.getRenderBuffer("snapshot");for(l.bind(),l.clear(),this.render({force:!0,opaqueOnly:r}),n=0;n<i;n++)o=2*n,a=4*n,s=l.read(e[o],e[o+1]),t[a]=s[0],t[a+1]=s[1],t[a+2]=s[2],t[a+3]=s[3];l.unbind(),p=!0},this.beginSnapshot=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=y.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),b=!0},this.renderSnapshot=function(){b&&(y.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),p=!0)},this.readSnapshot=function(e){return y.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return y.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){b&&(y.getRenderBuffer("snapshot").unbind(),b=!1)},this.destroy=function(){l={},u={},y.destroy(),B.destroy(),w.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}},Ei=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).KEY_BACKSPACE=8,r.KEY_TAB=9,r.KEY_ENTER=13,r.KEY_SHIFT=16,r.KEY_CTRL=17,r.KEY_ALT=18,r.KEY_PAUSE_BREAK=19,r.KEY_CAPS_LOCK=20,r.KEY_ESCAPE=27,r.KEY_PAGE_UP=33,r.KEY_PAGE_DOWN=34,r.KEY_END=35,r.KEY_HOME=36,r.KEY_LEFT_ARROW=37,r.KEY_UP_ARROW=38,r.KEY_RIGHT_ARROW=39,r.KEY_DOWN_ARROW=40,r.KEY_INSERT=45,r.KEY_DELETE=46,r.KEY_NUM_0=48,r.KEY_NUM_1=49,r.KEY_NUM_2=50,r.KEY_NUM_3=51,r.KEY_NUM_4=52,r.KEY_NUM_5=53,r.KEY_NUM_6=54,r.KEY_NUM_7=55,r.KEY_NUM_8=56,r.KEY_NUM_9=57,r.KEY_A=65,r.KEY_B=66,r.KEY_C=67,r.KEY_D=68,r.KEY_E=69,r.KEY_F=70,r.KEY_G=71,r.KEY_H=72,r.KEY_I=73,r.KEY_J=74,r.KEY_K=75,r.KEY_L=76,r.KEY_M=77,r.KEY_N=78,r.KEY_O=79,r.KEY_P=80,r.KEY_Q=81,r.KEY_R=82,r.KEY_S=83,r.KEY_T=84,r.KEY_U=85,r.KEY_V=86,r.KEY_W=87,r.KEY_X=88,r.KEY_Y=89,r.KEY_Z=90,r.KEY_LEFT_WINDOW=91,r.KEY_RIGHT_WINDOW=92,r.KEY_SELECT_KEY=93,r.KEY_NUMPAD_0=96,r.KEY_NUMPAD_1=97,r.KEY_NUMPAD_2=98,r.KEY_NUMPAD_3=99,r.KEY_NUMPAD_4=100,r.KEY_NUMPAD_5=101,r.KEY_NUMPAD_6=102,r.KEY_NUMPAD_7=103,r.KEY_NUMPAD_8=104,r.KEY_NUMPAD_9=105,r.KEY_MULTIPLY=106,r.KEY_ADD=107,r.KEY_SUBTRACT=109,r.KEY_DECIMAL_POINT=110,r.KEY_DIVIDE=111,r.KEY_F1=112,r.KEY_F2=113,r.KEY_F3=114,r.KEY_F4=115,r.KEY_F5=116,r.KEY_F6=117,r.KEY_F7=118,r.KEY_F8=119,r.KEY_F9=120,r.KEY_F10=121,r.KEY_F11=122,r.KEY_F12=123,r.KEY_NUM_LOCK=144,r.KEY_SCROLL_LOCK=145,r.KEY_SEMI_COLON=186,r.KEY_EQUAL_SIGN=187,r.KEY_COMMA=188,r.KEY_DASH=189,r.KEY_PERIOD=190,r.KEY_FORWARD_SLASH=191,r.KEY_GRAVE_ACCENT=192,r.KEY_OPEN_BRACKET=219,r.KEY_BACK_SLASH=220,r.KEY_CLOSE_BRACKET=221,r.KEY_SINGLE_QUOTE=222,r.KEY_SPACE=32,r.MOUSE_LEFT_BUTTON=260,r.MOUSE_MIDDLE_BUTTON=261,r.MOUSE_RIGHT_BUTTON=262,r.element=s.element,r.altDown=!1,r.ctrlDown=!1,r.mouseDownLeft=!1,r.mouseDownMiddle=!1,r.mouseDownRight=!1,r.keyDown=[],r.enabled=!0,r.keyboardEnabled=!0,r.mouseover=!1,r.mouseCanvasPos=re.vec2(),r._keyboardEventsElement=s.keyboardEventsElement||document,r._bindEvents(),r}return C(i,[{key:"_bindEvents",value:function(){var e=this;if(!this._eventsBound){this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!0:t.keyCode===e.KEY_ALT?e.altDown=!0:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!0),e.keyDown[t.keyCode]=!0,e.fire("keydown",t.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!1:t.keyCode===e.KEY_ALT?e.altDown=!1:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!1),e.keyDown[t.keyCode]=!1,e.fire("keyup",t.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=function(t){e.enabled&&(e.mouseover=!0,e._getMouseCanvasPos(t),e.fire("mouseenter",e.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=function(t){e.enabled&&(e.mouseover=!1,e._getMouseCanvasPos(t),e.fire("mouseleave",e.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!0;break;case 2:e.mouseDownMiddle=!0;break;case 3:e.mouseDownRight=!0}e._getMouseCanvasPos(t),e.element.focus(),e.fire("mousedown",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!1;break;case 2:e.mouseDownMiddle=!1;break;case 3:e.mouseDownRight=!1}e.fire("mouseup",e.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("click",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("dblclick",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}});var t=this.scene.tickify((function(){return e.fire("mousemove",e.mouseCanvasPos,!0)}));this.element.addEventListener("mousemove",this._mouseMoveListener=function(i){e.enabled&&(e._getMouseCanvasPos(i),t(),e.mouseover&&i.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=function(t){e.enabled&&(e._getMouseCanvasPos(t),e.fire("contextmenu",e.mouseCanvasPos,!0))});var i=this.scene.tickify((function(t){e.fire("mousewheel",t,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=function(t,r){if(e.enabled){var s=Math.max(-1,Math.min(1,40*-t.deltaY));i(s)}},{passive:!0});var r,s;this.on("mousedown",(function(e){r=e[0],s=e[1]})),this.on("mouseup",(function(t){r>=t[0]-2&&r<=t[0]+2&&s>=t[1]-2&&s<=t[1]+2&&e.fire("mouseclicked",t,!0)})),this.element.addEventListener("touchstart",this._touchstartListener=function(t){e.enabled&&A(t.changedTouches).forEach((function(t){e.fire("touchstart",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=function(t){e.enabled&&A(t.changedTouches).forEach((function(t){e.fire("touchend",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this._eventsBound=!0}}},{key:"_unbindEvents",value:function(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}},{key:"_getTouchCanvasPos",value:function(e){for(var t=e.target,i=0,r=0;t.offsetParent;)i+=t.offsetLeft,r+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-r]}},{key:"_getMouseCanvasPos",value:function(e){if(e){var t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}},{key:"setEnabled",value:function(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}},{key:"getEnabled",value:function(){return this.enabled}},{key:"setKeyboardEnabled",value:function(e){this.keyboardEnabled=e}},{key:"getKeyboardEnabled",value:function(){return this.keyboardEnabled}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._unbindEvents()}}]),i}(),Fi=new G({}),ki=function(){function e(t){for(var i in P(this,e),this.id=Fi.addItem({}),t)t.hasOwnProperty(i)&&(this[i]=t[i])}return C(e,[{key:"destroy",value:function(){Fi.removeItem(this.id)}}]),e}(),Ii=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({boundary:[0,0,100,100]}),r.boundary=s.boundary,r.autoBoundary=s.autoBoundary,r}return C(i,[{key:"type",get:function(){return"Viewport"}},{key:"boundary",get:function(){return this._state.boundary},set:function(e){if(!this._autoBoundary){if(!e){var t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}},{key:"autoBoundary",get:function(){return this._autoBoundary},set:function(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){var t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Di=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).camera=e,r._state=new ki({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r._fov=60,r._canvasResized=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r.fov=s.fov,r.fovAxis=s.fovAxis,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Perspective"}},{key:"_update",value:function(){var e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis,r=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(r/=t),r=Math.min(r,120),re.perspectiveMat4(r*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}},{key:"fov",get:function(){return this._fov},set:function(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}},{key:"fovAxis",get:function(){return this._fovAxis},set:function(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}]),i}(),Si=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).camera=e,r._state=new ki({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.scale=s.scale,r.near=s.near,r.far=s.far,r._onCanvasBoundary=r.scene.canvas.on("boundary",r._needUpdate,b(r)),r}return C(i,[{key:"type",get:function(){return"Ortho"}},{key:"_update",value:function(){var e,t,i,r,s=this.scene,n=.5*this._scale,o=s.canvas.boundary,a=o[2],l=o[3],u=a/l;a>l?(e=-n,t=n,i=n/u,r=-n/u):(e=-n*u,t=n*u,i=n,r=-n),re.orthoMat4c(e,t,r,i,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}]),i}(),Ti=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).camera=e,r._state=new ki({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._left=-1,r._right=1,r._bottom=-1,r._top=1,r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.left=s.left,r.right=s.right,r.bottom=s.bottom,r.top=s.top,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Frustum"}},{key:"_update",value:function(){re.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"left",get:function(){return this._left},set:function(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}},{key:"right",get:function(){return this._right},set:function(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}},{key:"top",get:function(){return this._top},set:function(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}},{key:"bottom",get:function(){return this._bottom},set:function(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}},{key:"near",get:function(){return this._state.near},set:function(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}},{key:"far",get:function(){return this._state.far},set:function(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Ri=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).camera=e,r._state=new ki({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4()}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!1,r.matrix=s.matrix,r}return C(i,[{key:"type",get:function(){return"CustomProjection"}},{key:"matrix",get:function(){return this._state.matrix},set:function(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Li=re.vec3(),Ui=re.vec3(),Oi=re.vec3(),Ni=re.vec3(),Qi=re.vec3(),Vi=re.vec3(),Hi=re.vec4(),ji=re.vec4(),Gi=re.vec4(),zi=re.mat4(),Ki=re.mat4(),Wi=re.vec3(),Xi=re.vec3(),Ji=re.vec3(),Yi=re.vec3(),Zi=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({deviceMatrix:re.mat4(),hasDeviceMatrix:!1,matrix:re.mat4(),normalMatrix:re.mat4(),inverseMatrix:re.mat4()}),r._perspective=new Di(b(r)),r._ortho=new Si(b(r)),r._frustum=new Ti(b(r)),r._customProjection=new Ri(b(r)),r._project=r._perspective,r._eye=re.vec3([0,0,10]),r._look=re.vec3([0,0,0]),r._up=re.vec3([0,1,0]),r._worldUp=re.vec3([0,1,0]),r._worldRight=re.vec3([1,0,0]),r._worldForward=re.vec3([0,0,-1]),r.deviceMatrix=s.deviceMatrix,r.eye=s.eye,r.look=s.look,r.up=s.up,r.worldAxis=s.worldAxis,r.gimbalLock=s.gimbalLock,r.constrainPitch=s.constrainPitch,r.projection=s.projection,r._perspective.on("matrix",(function(){"perspective"===r._projectionType&&r.fire("projMatrix",r._perspective.matrix)})),r._ortho.on("matrix",(function(){"ortho"===r._projectionType&&r.fire("projMatrix",r._ortho.matrix)})),r._frustum.on("matrix",(function(){"frustum"===r._projectionType&&r.fire("projMatrix",r._frustum.matrix)})),r._customProjection.on("matrix",(function(){"customProjection"===r._projectionType&&r.fire("projMatrix",r._customProjection.matrix)})),r}return C(i,[{key:"type",get:function(){return"Camera"}},{key:"_update",value:function(){var e,t=this._state;"ortho"===this.projection?(re.subVec3(this._eye,this._look,Wi),re.normalizeVec3(Wi,Xi),re.mulVec3Scalar(Xi,1e3,Ji),re.addVec3(this._look,Ji,Yi),e=Yi):e=this._eye,t.hasDeviceMatrix?(re.lookAtMat4v(e,this._look,this._up,Ki),re.mulMat4(t.deviceMatrix,Ki,t.matrix)):re.lookAtMat4v(e,this._look,this._up,t.matrix),re.inverseMat4(this._state.matrix,this._state.inverseMatrix),re.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}},{key:"orbitYaw",value:function(e){var t=re.subVec3(this._eye,this._look,Li);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,zi),t=re.transformPoint3(zi,t,Ui),this.eye=re.addVec3(this._look,t,Oi),this.up=re.transformPoint3(zi,this._up,Ni)}},{key:"orbitPitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._eye,this._look,Li),i=re.cross3Vec3(re.normalizeVec3(t,Ui),re.normalizeVec3(this._up,Oi));re.rotationMat4v(.0174532925*e,i,zi),t=re.transformPoint3(zi,t,Ni),this.up=re.transformPoint3(zi,this._up,Qi),this.eye=re.addVec3(t,this._look,Vi)}}},{key:"yaw",value:function(e){var t=re.subVec3(this._look,this._eye,Li);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,zi),t=re.transformPoint3(zi,t,Ui),this.look=re.addVec3(t,this._eye,Oi),this._gimbalLock&&(this.up=re.transformPoint3(zi,this._up,Ni))}},{key:"pitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._look,this._eye,Li),i=re.cross3Vec3(re.normalizeVec3(t,Ui),re.normalizeVec3(this._up,Oi));re.rotationMat4v(.0174532925*e,i,zi),this.up=re.transformPoint3(zi,this._up,Vi),t=re.transformPoint3(zi,t,Ni),this.look=re.addVec3(t,this._eye,Qi)}}},{key:"pan",value:function(e){var t,i=re.subVec3(this._eye,this._look,Li),r=[0,0,0];if(0!==e[0]){var s=re.cross3Vec3(re.normalizeVec3(i,[]),re.normalizeVec3(this._up,Ui));t=re.mulVec3Scalar(s,e[0]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]}0!==e[1]&&(t=re.mulVec3Scalar(re.normalizeVec3(this._up,Oi),e[1]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),0!==e[2]&&(t=re.mulVec3Scalar(re.normalizeVec3(i,Ni),e[2]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),this.eye=re.addVec3(this._eye,r,Qi),this.look=re.addVec3(this._look,r,Vi)}},{key:"zoom",value:function(e){var t=re.subVec3(this._eye,this._look,Li),i=Math.abs(re.lenVec3(t,Ui)),r=Math.abs(i+e);if(!(r<.5)){var s=re.normalizeVec3(t,Oi);this.eye=re.addVec3(this._look,re.mulVec3Scalar(s,r),Ni)}}},{key:"eye",get:function(){return this._eye},set:function(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}},{key:"look",get:function(){return this._look},set:function(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}},{key:"up",get:function(){return this._up},set:function(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}},{key:"deviceMatrix",get:function(){return this._state.deviceMatrix},set:function(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}},{key:"worldAxis",get:function(){return this._worldAxis},set:function(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=re.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}},{key:"worldUp",get:function(){return this._worldUp}},{key:"xUp",get:function(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}},{key:"yUp",get:function(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}},{key:"zUp",get:function(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}},{key:"worldRight",get:function(){return this._worldRight}},{key:"worldForward",get:function(){return this._worldForward}},{key:"gimbalLock",get:function(){return this._gimbalLock},set:function(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}},{key:"constrainPitch",set:function(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}},{key:"eyeLookDist",get:function(){return re.lenVec3(re.subVec3(this._look,this._eye,Li))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"viewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"normalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"viewNormalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"inverseViewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}},{key:"projMatrix",get:function(){return this[this.projection].matrix}},{key:"perspective",get:function(){return this._perspective}},{key:"ortho",get:function(){return this._ortho}},{key:"frustum",get:function(){return this._frustum}},{key:"customProjection",get:function(){return this._customProjection}},{key:"projection",get:function(){return this._projectionType},set:function(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}},{key:"project",get:function(){return this._project}},{key:"projectWorldPos",value:function(e){var t=Hi,i=ji,r=Gi;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,re.mulMat4v4(this.viewMatrix,t,i),re.mulMat4v4(this.projMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1;var s=this.scene.canvas.canvas,n=s.offsetWidth/2,o=s.offsetHeight/2;return[r[0]*n+n,r[1]*o+o]}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),qi=function(e){g(i,Ce);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),t.call(this,e,r)}return C(i,[{key:"type",get:function(){return"Light"}},{key:"isLight",get:function(){return!0}}]),i}(),$i=function(e){g(i,qi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s))._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var n=r.scene.camera,o=r.scene.canvas;return r._onCameraViewMatrix=n.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=n.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=o.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new ki({type:"dir",dir:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(r._shadowViewMatrixDirty){r._shadowViewMatrix||(r._shadowViewMatrix=re.identityMat4());var e=r.scene.camera,t=r._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]];re.lookAtMat4v(s,i,[0,1,0],r._shadowViewMatrix),r._shadowViewMatrixDirty=!1}return r._shadowViewMatrix},getShadowProjMatrix:function(){return r._shadowProjMatrixDirty&&(r._shadowProjMatrix||(r._shadowProjMatrix=re.identityMat4()),re.orthoMat4c(-40,40,-40,40,-40,80,r._shadowProjMatrix),r._shadowProjMatrixDirty=!1),r._shadowProjMatrix},getShadowRenderBuf:function(){return r._shadowRenderBuf||(r._shadowRenderBuf=new wi(r.scene.canvas.canvas,r.scene.canvas.gl,{size:[1024,1024]})),r._shadowRenderBuf}}),r.dir=s.dir,r.color=s.color,r.intensity=s.intensity,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"DirLight"}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(B(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}(),er=function(e){g(i,qi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state={type:"ambient",color:re.vec3([.7,.7,.7]),intensity:1},r.color=s.color,r.intensity=s.intensity,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"AmbientLight"}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this.scene._lightDestroyed(this)}}]),i}(),tr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),r=t.call(this,e,s),ae.memory.meshes++,r}return C(i,[{key:"type",get:function(){return"Geometry"}},{key:"isGeometry",get:function(){return!0}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),ae.memory.meshes--}}]),i}(),ir=function(){var e=[],t=[],i=[],r=[],s=[],n=0,o=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3();return function(v,g,m,_){!function(s,n){var o,a,l,u,c,A,h={},d=Math.pow(10,4),p=0;for(c=0,A=s.length;c<A;c+=3)o=s[c],a=s[c+1],l=s[c+2],void 0===h[u=Math.round(o*d)+"_"+Math.round(a*d)+"_"+Math.round(l*d)]&&(h[u]=p/3,e[p++]=o,e[p++]=a,e[p++]=l),t[c/3]=h[u];for(c=0,A=n.length;c<A;c++)r[c]=t[n[c]],i[r[c]]=n[c]}(v,g),function(t,i){n=0;for(var v=0,g=t;v<g;v+=3){var m=3*r[v],_=3*r[v+1],y=3*r[v+2];i?(o[0]=e[m],o[1]=e[m+1],o[2]=e[m+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[y],l[1]=e[y+1],l[2]=e[y+2],re.decompressPosition(o,i,u),re.decompressPosition(a,i,c),re.decompressPosition(l,i,A)):(u[0]=e[m],u[1]=e[m+1],u[2]=e[m+2],c[0]=e[_],c[1]=e[_+1],c[2]=e[_+2],A[0]=e[y],A[1]=e[y+1],A[2]=e[y+2]),re.subVec3(A,c,h),re.subVec3(u,c,d),re.cross3Vec3(h,d,p),re.normalizeVec3(p,f);var b=s[n]||(s[n]={normal:re.vec3()});b.normal[0]=f[0],b.normal[1]=f[1],b.normal[2]=f[2],n++}}(g.length,m);for(var y,b,B,w,P,x,C,M,E,F,k=[],I=Math.cos(re.DEGTORAD*_),D={},S=!1,T=0,R=g.length;T<R;T+=3)for(var L=T/3,U=0;U<3;U++)y=r[T+U],b=r[T+(U+1)%3],void 0===D[P=(B=Math.min(y,b))+","+(w=Math.max(y,b))]?D[P]={index1:B,index2:w,face1:L,face2:void 0}:D[P].face2=L;for(P in D)void 0!==(x=D[P]).face2&&(C=s[x.face1].normal,M=s[x.face2].normal,re.dotVec3(C,M)>I)||(E=i[x.index1],F=i[x.index2],(!S&&E>65535||F>65535)&&(S=!0),k.push(E),k.push(F));return S?new Uint32Array(k):new Uint16Array(k)}}();var rr=function(){var e=re.mat4(),t=re.mat4();return function(i,r){r=r||re.mat4();var s=i[0],n=i[1],o=i[2],a=i[3]-s,l=i[4]-n,u=i[5]-o,c=65535;return re.identityMat4(e),re.translationMat4v(i,e),re.identityMat4(t),re.scalingMat4v([a/c,l/c,u/c],t),re.mulMat4(e,t,r),r}}(),sr=function(){var e=re.mat4(),t=re.mat4();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([s[0]!==r[0]?65535/(s[0]-r[0]):0,s[1]!==r[1]?65535/(s[1]-r[1]):0,s[2]!==r[2]?65535/(s[2]-r[2]):0]);for(n=0;n<i.length;n+=3)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1]))),o[n+2]=Math.max(0,Math.min(65535,Math.floor((i[n+2]-r[2])*a[2])));return re.identityMat4(e),re.translationMat4v(r,e),re.identityMat4(t),re.scalingMat4v([(s[0]-r[0])/65535,(s[1]-r[1])/65535,(s[2]-r[2])/65535],t),{quantized:o,decodeMatrix:re.mulMat4(e,t,re.identityMat4())}}}();var nr=function(){var e=re.mat3(),t=re.mat3();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([65535/(s[0]-r[0]),65535/(s[1]-r[1])]);for(n=0;n<i.length;n+=2)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1])));return re.identityMat3(e),re.translationMat3v(r,e),re.identityMat3(t),re.scalingMat3v([(s[0]-r[0])/65535,(s[1]-r[1])/65535],t),{quantized:o,decodeMatrix:re.mulMat3(e,t,re.identityMat3())}}}();function or(e,t,i,r){var s=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),n=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){var o=(1-Math.abs(n))*(s>=0?1:-1),a=(1-Math.abs(s))*(n>=0?1:-1);s=o,n=a}return new Int8Array([Math[i](127.5*s+(s<0?-1:0)),Math[r](127.5*n+(n<0?-1:0))])}function ar(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}function lr(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}var ur={getPositionsBounds:function(e){var t,i,r=new Float32Array(3),s=new Float32Array(3);for(t=0;t<3;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=3)for(i=0;i<3;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},createPositionsDecodeMatrix:rr,compressPositions:sr,compressPosition:function(e,t,i){var r=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*r[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*r[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*r[2])))},decompressPositions:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[12],i[r+1]=e[r+1]*t[5]+t[13],i[r+2]=e[r+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:e;return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){var t,i,r=new Float32Array(2),s=new Float32Array(2);for(t=0;t<2;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=2)for(i=0;i<2;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},compressUVs:nr,decompressUVs:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[6],i[r+1]=e[r+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){for(var t,i,r,s,n=new Int8Array(e.length),o=0;o<e.length;o+=3)i=t=or(e,o,"floor","floor"),r=s=lr(e,o,ar(t)),(r=lr(e,o,ar(t=or(e,o,"ceil","floor"))))>s&&(i=t,s=r),(r=lr(e,o,ar(t=or(e,o,"floor","ceil"))))>s&&(i=t,s=r),(r=lr(e,o,ar(t=or(e,o,"ceil","ceil"))))>s&&(i=t,s=r),n[o]=i[0],n[o+1]=i[1];return n},decompressNormals:function(e,t){for(var i=0,r=0,s=e.length;i<s;i+=2){var n=e[i+0],o=e[i+1];n=(2*n+1)/255,o=(2*o+1)/255;var a=1-Math.abs(n)-Math.abs(o);a<0&&(n=(1-Math.abs(o))*(n>=0?1:-1),o=(1-Math.abs(n))*(o>=0?1:-1));var l=Math.sqrt(n*n+o*o+a*a);t[r+0]=n/l,t[r+1]=o/l,t[r+2]=a/l,r+=3}return t},decompressNormal:function(e,t){var i=e[0],r=e[1];i=(2*i+1)/255,r=(2*r+1)/255;var s=1-Math.abs(i)-Math.abs(r);s<0&&(i=(1-Math.abs(r))*(i>=0?1:-1),r=(1-Math.abs(i))*(r>=0?1:-1));var n=Math.sqrt(i*i+r*r+s*s);return t[0]=i/n,t[1]=r/n,t[2]=s/n,t}},cr=ae.memory,Ar=re.AABB3(),hr=function(e){g(i,tr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s))._state=new ki({compressGeometry:!!s.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._edgeIndicesBuf=null,r._pickTrianglePositionsBuf=null,r._pickTriangleColorsBuf=null,r._aabbDirty=!0,r._boundingSphere=!0,r._aabb=null,r._aabbDirty=!0,r._obb=null,r._obbDirty=!0;var n=r._state,o=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":n.primitive=o.POINTS,n.primitiveName=s.primitive;break;case"lines":n.primitive=o.LINES,n.primitiveName=s.primitive;break;case"line-loop":n.primitive=o.LINE_LOOP,n.primitiveName=s.primitive;break;case"line-strip":n.primitive=o.LINE_STRIP,n.primitiveName=s.primitive;break;case"triangles":n.primitive=o.TRIANGLES,n.primitiveName=s.primitive;break;case"triangle-strip":n.primitive=o.TRIANGLE_STRIP,n.primitiveName=s.primitive;break;case"triangle-fan":n.primitive=o.TRIANGLE_FAN,n.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),n.primitive=o.TRIANGLES,n.primitiveName=s.primitive}if(s.positions)if(r._state.compressGeometry){var a=ur.getPositionsBounds(s.positions),l=ur.compressPositions(s.positions,a.min,a.max);n.positions=l.quantized,n.positionsDecodeMatrix=l.decodeMatrix}else n.positions=s.positions.constructor===Float32Array?s.positions:new Float32Array(s.positions);if(s.colors&&(n.colors=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors)),s.uv)if(r._state.compressGeometry){var u=ur.getUVBounds(s.uv),c=ur.compressUVs(s.uv,u.min,u.max);n.uv=c.quantized,n.uvDecodeMatrix=c.decodeMatrix}else n.uv=s.uv.constructor===Float32Array?s.uv:new Float32Array(s.uv);return s.normals&&(r._state.compressGeometry?n.normals=ur.compressNormals(s.normals):n.normals=s.normals.constructor===Float32Array?s.normals:new Float32Array(s.normals)),s.indices&&(n.indices=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3)),r._buildHash(),cr.meshes++,r._buildVBOs(),r}return C(i,[{key:"type",get:function(){return"ReadableGeometry"}},{key:"isReadableGeometry",get:function(){return!0}},{key:"_buildVBOs",value:function(){var e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new ui(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),cr.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new ui(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),cr.positions+=e.positionsBuf.numItems),e.normals){var i=e.compressGeometry;e.normalsBuf=new ui(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),cr.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new ui(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),cr.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new ui(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),cr.uvs+=e.uvBuf.numItems)}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}},{key:"_getPickTrianglePositions",value:function(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}},{key:"_getPickTriangleColors",value:function(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}},{key:"_buildEdgeIndices",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=ir(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new ui(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),cr.indices+=this._edgeIndicesBuf.numItems}}},{key:"_buildPickTriangleVBOs",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=re.buildPickTriangles(e.positions,e.indices,e.compressGeometry),r=i.positions,s=i.colors;this._pickTrianglePositionsBuf=new ui(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new ui(t,t.ARRAY_BUFFER,s,s.length,4,t.STATIC_DRAW,!0),cr.positions+=this._pickTrianglePositionsBuf.numItems,cr.colors+=this._pickTriangleColorsBuf.numItems}}},{key:"_buildPickVertexVBOs",value:function(){}},{key:"_webglContextLost",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}},{key:"_webglContextRestored",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"compressGeometry",get:function(){return this._state.compressGeometry}},{key:"positions",get:function(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),ur.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null},set:function(e){var t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){var r=ur.getPositionsBounds(e),s=ur.compressPositions(e,r.min,r.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}},{key:"normals",get:function(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){var e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),ur.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry normals - quantized geometry is immutable");else{var t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}}},{key:"uv",get:function(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),ur.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry UVs - quantized geometry is immutable");else{var t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}}},{key:"colors",get:function(){return this._state.colors},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry colors - quantized geometry is immutable");else{var t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}}},{key:"indices",get:function(){return this._state.indices}},{key:"aabb",get:function(){return this._aabbDirty&&(this._aabb||(this._aabb=re.AABB3()),re.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}},{key:"obb",get:function(){return this._obbDirty&&(this._obb||(this._obb=re.OBB3()),re.positions3ToAABB3(this._state.positions,Ar,this._state.positionsDecodeMatrix),re.AABB3ToOBB3(Ar,this._obb),this._obbDirty=!1),this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_setAABBDirty",value:function(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),cr.meshes--}}]),i}();function dr(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,c=-r+a,A=t+n,h=i+o,d=r+a;return he.apply(e,{positions:[A,h,d,l,h,d,l,u,d,A,u,d,A,h,d,A,u,d,A,u,c,A,h,c,A,h,d,A,h,c,l,h,c,l,h,d,l,h,d,l,h,c,l,u,c,l,u,d,l,u,c,A,u,c,A,u,d,l,u,d,A,u,c,l,u,c,l,h,c,A,h,c],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}var pr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),r=t.call(this,e,s),ae.memory.materials++,r}return C(i,[{key:"type",get:function(){return"Material"}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),ae.memory.materials--}}]),i}(),fr={opaque:0,mask:1,blend:2},vr=["opaque","mask","blend"],gr=function(e){g(i,pr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({type:"PhongMaterial",ambient:re.vec3([1,1,1]),diffuse:re.vec3([1,1,1]),specular:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.ambient=s.ambient,r.diffuse=s.diffuse,r.specular=s.specular,r.emissive=s.emissive,r.alpha=s.alpha,r.shininess=s.shininess,r.reflectivity=s.reflectivity,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,s.ambientMap&&(r._ambientMap=r._checkComponent("Texture",s.ambientMap)),s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.reflectivityMap&&(r._reflectivityMap=r._checkComponent("Texture",s.reflectivityMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.diffuseFresnel&&(r._diffuseFresnel=r._checkComponent("Fresnel",s.diffuseFresnel)),s.specularFresnel&&(r._specularFresnel=r._checkComponent("Fresnel",s.specularFresnel)),s.emissiveFresnel&&(r._emissiveFresnel=r._checkComponent("Fresnel",s.emissiveFresnel)),s.alphaFresnel&&(r._alphaFresnel=r._checkComponent("Fresnel",s.alphaFresnel)),s.reflectivityFresnel&&(r._reflectivityFresnel=r._checkComponent("Fresnel",s.reflectivityFresnel)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"PhongMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"shininess",get:function(){return this._state.shininess},set:function(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"reflectivity",get:function(){return this._state.reflectivity},set:function(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}},{key:"normalMap",get:function(){return this._normalMap}},{key:"ambientMap",get:function(){return this._ambientMap}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specularMap",get:function(){return this._specularMap}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"reflectivityMap",get:function(){return this._reflectivityMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"diffuseFresnel",get:function(){return this._diffuseFresnel}},{key:"specularFresnel",get:function(){return this._specularFresnel}},{key:"emissiveFresnel",get:function(){return this._emissiveFresnel}},{key:"alphaFresnel",get:function(){return this._alphaFresnel}},{key:"reflectivityFresnel",get:function(){return this._reflectivityFresnel}},{key:"alphaMode",get:function(){return vr[this._state.alphaMode]},set:function(e){var t=fr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),mr={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}},_r=function(e){g(i,pr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),r._preset="default",s.preset?(r.preset=s.preset,void 0!==s.fill&&(r.fill=s.fill),s.fillColor&&(r.fillColor=s.fillColor),void 0!==s.fillAlpha&&(r.fillAlpha=s.fillAlpha),void 0!==s.edges&&(r.edges=s.edges),s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth),void 0!==s.backfaces&&(r.backfaces=s.backfaces),void 0!==s.glowThrough&&(r.glowThrough=s.glowThrough)):(r.fill=s.fill,r.fillColor=s.fillColor,r.fillAlpha=s.fillAlpha,r.edges=s.edges,r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth,r.backfaces=s.backfaces,r.glowThrough=s.glowThrough),r}return C(i,[{key:"type",get:function(){return"EmphasisMaterial"}},{key:"presets",get:function(){return mr}},{key:"fill",get:function(){return this._state.fill},set:function(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}},{key:"fillColor",get:function(){return this._state.fillColor},set:function(e){var t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}},{key:"fillAlpha",get:function(){return this._state.fillAlpha},set:function(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"glowThrough",get:function(){return this._state.glowThrough},set:function(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=mr[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(mr).join(", "))}}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),yr={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}},br=function(e){g(i,pr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),r._preset="default",s.preset?(r.preset=s.preset,s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth)):(r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth),r.edges=!1!==s.edges,r}return C(i,[{key:"type",get:function(){return"EdgeMaterial"}},{key:"presets",get:function(){return yr}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=yr[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(yr).join(", "))}}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Br={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}},wr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._units="meters",r._scale=1,r._origin=re.vec3([0,0,0]),r.units=s.units,r.scale=s.scale,r.origin=s.origin,r}return C(i,[{key:"unitsInfo",get:function(){return Br}},{key:"units",get:function(){return this._units},set:function(e){e||(e="meters"),Br[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}},{key:"scale",get:function(){return this._scale},set:function(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}},{key:"origin",get:function(){return this._origin},set:function(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}},{key:"worldToRealPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}},{key:"realToWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}]),i}(),Pr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._supported=qt.SUPPORTED_EXTENSIONS.OES_standard_derivatives,r.enabled=s.enabled,r.kernelRadius=s.kernelRadius,r.intensity=s.intensity,r.bias=s.bias,r.scale=s.scale,r.minResolution=s.minResolution,r.numSamples=s.numSamples,r.blur=s.blur,r.blendCutoff=s.blendCutoff,r.blendFactor=s.blendFactor,r}return C(i,[{key:"supported",get:function(){return this._supported}},{key:"enabled",get:function(){return this._enabled},set:function(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}},{key:"possible",get:function(){if(!this._supported)return!1;if(!this._enabled)return!1;var e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}},{key:"active",get:function(){return this._active}},{key:"kernelRadius",get:function(){return this._kernelRadius},set:function(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}},{key:"intensity",get:function(){return this._intensity},set:function(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}},{key:"bias",get:function(){return this._bias},set:function(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}},{key:"minResolution",get:function(){return this._minResolution},set:function(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}},{key:"numSamples",get:function(){return this._numSamples},set:function(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}},{key:"blur",get:function(){return this._blur},set:function(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}},{key:"blendCutoff",get:function(){return this._blendCutoff},set:function(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}},{key:"blendFactor",get:function(){return this._blendFactor},set:function(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this)}}]),i}(),xr=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).sliceColor=s.sliceColor,r.sliceThickness=s.sliceThickness,r}return C(i,[{key:"sliceThickness",get:function(){return this._sliceThickness},set:function(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}},{key:"sliceColor",get:function(){return this._sliceColor},set:function(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Cr={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}},Mr=function(e){g(i,pr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),s.preset?(r.preset=s.preset,void 0!==s.pointSize&&(r.pointSize=s.pointSize),void 0!==s.roundPoints&&(r.roundPoints=s.roundPoints),void 0!==s.perspectivePoints&&(r.perspectivePoints=s.perspectivePoints),void 0!==s.minPerspectivePointSize&&(r.minPerspectivePointSize=s.minPerspectivePointSize),void 0!==s.maxPerspectivePointSize&&(r.maxPerspectivePointSize=s.minPerspectivePointSize)):(r._preset="default",r.pointSize=s.pointSize,r.roundPoints=s.roundPoints,r.perspectivePoints=s.perspectivePoints,r.minPerspectivePointSize=s.minPerspectivePointSize,r.maxPerspectivePointSize=s.maxPerspectivePointSize),r.filterIntensity=s.filterIntensity,r.minIntensity=s.minIntensity,r.maxIntensity=s.maxIntensity,r}return C(i,[{key:"type",get:function(){return"PointsMaterial"}},{key:"presets",get:function(){return Cr}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||2,this.glRedraw()}},{key:"roundPoints",get:function(){return this._state.roundPoints},set:function(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"perspectivePoints",get:function(){return this._state.perspectivePoints},set:function(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minPerspectivePointSize",get:function(){return this._state.minPerspectivePointSize},set:function(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}},{key:"maxPerspectivePointSize",get:function(){return this._state.maxPerspectivePointSize},set:function(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}},{key:"filterIntensity",get:function(){return this._state.filterIntensity},set:function(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minIntensity",get:function(){return this._state.minIntensity},set:function(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}},{key:"maxIntensity",get:function(){return this._state.maxIntensity},set:function(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=Cr[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Cr).join(", "))}}},{key:"hash",get:function(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Er={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}},Fr=function(e){g(i,pr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({type:"LinesMaterial",lineWidth:null}),s.preset?(r.preset=s.preset,void 0!==s.lineWidth&&(r.lineWidth=s.lineWidth)):(r._preset="default",r.lineWidth=s.lineWidth),r}return C(i,[{key:"type",get:function(){return"LinesMaterial"}},{key:"presets",get:function(){return Er}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=Er[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Er).join(", "))}}},{key:"hash",get:function(){return[""+this.lineWidth].join(";")}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function kr(e,t){for(var i,r,s={},n=0,o=t.length;n<o;n++)i=t[n],(r=e.components[i])?r.isEntity?s[i]=!0:e.warn("pick(): Component is not an Entity: "+i):e.warn("pick(): Component not found: "+i);return s}var Ir=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),r=t.call(this,null,s);var n=s.canvasElement||document.getElementById(s.canvasId);if(!(n instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";r._tickifiedFunctions={};var o=!!s.transparent,a=!!s.alphaDepthMask;return r._aabbDirty=!0,r._readableGeometry=!!s.readableGeometryEnabled,r.viewer=e,r.occlusionTestCountdown=0,r.loading=0,r.startTime=(new Date).getTime(),r.models={},r.objects={},r._numObjects=0,r.visibleObjects={},r._numVisibleObjects=0,r.xrayedObjects={},r._numXRayedObjects=0,r.highlightedObjects={},r._numHighlightedObjects=0,r.selectedObjects={},r._numSelectedObjects=0,r.colorizedObjects={},r._numColorizedObjects=0,r.opacityObjects={},r._numOpacityObjects=0,r.offsetObjects={},r._numOffsetObjects=0,r._modelIds=null,r._objectIds=null,r._visibleObjectIds=null,r._xrayedObjectIds=null,r._highlightedObjectIds=null,r._selectedObjectIds=null,r._colorizedObjectIds=null,r._opacityObjectIds=null,r._offsetObjectIds=null,r._collidables={},r._compilables={},r._needRecompile=!1,r.types={},r.components={},r.sectionPlanes={},r.lights={},r.lightMaps={},r.reflectionMaps={},r.bitmaps={},r.lineSets={},r.realWorldOffset=s.realWorldOffset||new Float64Array([0,0,0]),r.canvas=new Yt(b(r),{dontClear:!0,canvas:n,spinnerElementId:s.spinnerElementId,transparent:o,webgl2:!1!==s.webgl2,contextAttr:s.contextAttr||{},backgroundColor:s.backgroundColor,backgroundColorFromAmbientLight:s.backgroundColorFromAmbientLight,premultipliedAlpha:s.premultipliedAlpha}),r.canvas.on("boundary",(function(){r.glRedraw()})),r.canvas.on("webglContextFailed",(function(){alert("xeokit failed to find WebGL!")})),r._renderer=new Mi(b(r),{transparent:o,alphaDepthMask:a}),r._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;var e=null;this.getHash=function(){if(e)return e;var t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";for(var i=[],r=0,s=t;r<s;r++)i.push("cp");return i.push(";"),e=i.join("")},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(var i=0,r=this.sectionPlanes.length;i<r;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){var e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},r._sectionPlanesState.setNumCachedSectionPlanes(s.numCachedSectionPlanes||0),r._lightsState=new function(){var e=re.vec4([0,0,0,0]),t=re.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];var i=null,r=null;this.getHash=function(){if(i)return i;for(var e,t=[],r=this.lights,s=0,n=r.length;s<n;s++)e=r[s],t.push("/"),t.push(e.type),t.push("world"===e.space?"w":"v"),e.castsShadow&&t.push("sh");return this.lightMaps.length>0&&t.push("/lm"),this.reflectionMaps.length>0&&t.push("/rm"),t.push(";"),i=t.join("")},this.addLight=function(e){this.lights.push(e),r=null,i=null},this.removeLight=function(e){for(var t=0,s=this.lights.length;t<s;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),r&&r.id===e.id&&(r=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(var t=0,r=this.reflectionMaps.length;t<r;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(var t=0,r=this.lightMaps.length;t<r;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!r)for(var i=0,s=this.lights.length;i<s;i++){var n=this.lights[i];if("ambient"===n.type){r=n;break}}if(r){var o=r.color,a=r.intensity;return t[0]=o[0],t[1]=o[1],t[2]=o[2],t[3]=a,t}return e}},r.input=new Ei(b(r),{dontClear:!0,element:r.canvas.canvas,keyboardEventsElement:s.keyboardEventsElement}),r.metrics=new wr(b(r),{units:s.units,scale:s.scale,origin:s.origin}),r.sao=new Pr(b(r),{enabled:s.saoEnabled}),r.crossSections=new xr(b(r),{}),r.ticksPerRender=s.ticksPerRender,r.ticksPerOcclusionTest=s.ticksPerOcclusionTest,r.passes=s.passes,r.clearEachPass=s.clearEachPass,r.gammaInput=s.gammaInput,r.gammaOutput=s.gammaOutput,r.gammaFactor=s.gammaFactor,r._entityOffsetsEnabled=!!s.entityOffsetsEnabled,r._logarithmicDepthBufferEnabled=!!s.logarithmicDepthBufferEnabled,r._dtxEnabled=!1!==s.dtxEnabled,r._pbrEnabled=!!s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._dtxEnabled=!!s.dtxEnabled,r._markerZOffset=s.markerZOffset,we._addScene(b(r)),r._initDefaults(),r._viewport=new Ii(b(r),{id:"default.viewport",autoBoundary:!0,dontClear:!0}),r._camera=new Zi(b(r),{id:"default.camera",dontClear:!0}),new er(b(r),{color:[1,1,1],intensity:.7}),new $i(b(r),{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new $i(b(r),{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),r._camera.on("dirty",(function(){r._renderer.imageDirty()})),r}return C(i,[{key:"type",get:function(){return"Scene"}},{key:"_initDefaults",value:function(){}},{key:"_addComponent",value:function(e){if(e.id&&this.components[e.id]&&(this.error("Component "+he.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=re.createUUID();this.components[e.id]=e;var t=e.type,i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}},{key:"_removeComponent",value:function(e){var t=e.id,i=e.type;delete this.components[t];var r=this.types[i];r&&(delete r[t],he.isEmptyObject(r)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}},{key:"_sectionPlaneCreated",value:function(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}},{key:"_bitmapCreated",value:function(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}},{key:"_lineSetCreated",value:function(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}},{key:"_lightCreated",value:function(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}},{key:"_lightMapCreated",value:function(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapCreated",value:function(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}},{key:"_sectionPlaneDestroyed",value:function(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}},{key:"_bitmapDestroyed",value:function(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}},{key:"_lineSetDestroyed",value:function(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}},{key:"_lightDestroyed",value:function(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}},{key:"_lightMapDestroyed",value:function(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapDestroyed",value:function(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}},{key:"_registerModel",value:function(e){this.models[e.id]=e,this._modelIds=null}},{key:"_deregisterModel",value:function(e){var t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}},{key:"_registerObject",value:function(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}},{key:"_deregisterObject",value:function(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}},{key:"_objectVisibilityUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}},{key:"_deRegisterVisibleObject",value:function(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}},{key:"_objectXRayedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}},{key:"_deRegisterXRayedObject",value:function(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}},{key:"_objectHighlightedUpdated",value:function(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}},{key:"_deRegisterHighlightedObject",value:function(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}},{key:"_objectSelectedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}},{key:"_deRegisterSelectedObject",value:function(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}},{key:"_objectColorizeUpdated",value:function(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}},{key:"_deRegisterColorizedObject",value:function(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}},{key:"_objectOpacityUpdated",value:function(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}},{key:"_deRegisterOpacityObject",value:function(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}},{key:"_objectOffsetUpdated",value:function(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}},{key:"_deRegisterOffsetObject",value:function(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}},{key:"_webglContextLost",value:function(){for(var e in this.canvas.spinner.processes++,this.components)if(this.components.hasOwnProperty(e)){var t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}},{key:"_webglContextRestored",value:function(){var e=this.canvas.gl;for(var t in this.components)if(this.components.hasOwnProperty(t)){var i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}},{key:"capabilities",get:function(){return this._renderer.capabilities}},{key:"entityOffsetsEnabled",get:function(){return this._entityOffsetsEnabled}},{key:"readableGeometryEnabled",get:function(){return this._readableGeometry}},{key:"pickSurfacePrecisionEnabled",get:function(){return this._readableGeometry}},{key:"logarithmicDepthBufferEnabled",get:function(){return this._logarithmicDepthBufferEnabled}},{key:"numCachedSectionPlanes",get:function(){return this._sectionPlanesState.getNumCachedSectionPlanes()},set:function(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}},{key:"pbrEnabled",get:function(){return this._pbrEnabled},set:function(e){this._pbrEnabled=!!e,this.glRedraw()}},{key:"dtxEnabled",get:function(){return this._dtxEnabled},set:function(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled},set:function(e){this._colorTextureEnabled=!!e,this.glRedraw()}},{key:"markerZOffset",get:function(){return null==this._markerZOffset?-.001:this._markerZOffset}},{key:"doOcclusionTest",value:function(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}},{key:"render",value:function(e){e&&we.runTasks();var t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),e||this._renderer.needsRender()){t.sceneId=this.id;var i,r,s=this._passes,n=this._clearEachPass;for(i=0;i<s;i++)t.pass=i,this.fire("rendering",t,!0),r=n||0===i,this._renderer.render({pass:i,clear:r,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}}},{key:"compile",value:function(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}},{key:"_recompile",value:function(){for(var e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}},{key:"_saveAmbientColor",value:function(){var e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{var t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=re.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}},{key:"modelIds",get:function(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}},{key:"numObjects",get:function(){return this._numObjects}},{key:"objectIds",get:function(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}},{key:"numVisibleObjects",get:function(){return this._numVisibleObjects}},{key:"visibleObjectIds",get:function(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}},{key:"numXRayedObjects",get:function(){return this._numXRayedObjects}},{key:"xrayedObjectIds",get:function(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}},{key:"numHighlightedObjects",get:function(){return this._numHighlightedObjects}},{key:"highlightedObjectIds",get:function(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}},{key:"numSelectedObjects",get:function(){return this._numSelectedObjects}},{key:"selectedObjectIds",get:function(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}},{key:"numColorizedObjects",get:function(){return this._numColorizedObjects}},{key:"colorizedObjectIds",get:function(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}},{key:"opacityObjectIds",get:function(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}},{key:"offsetObjectIds",get:function(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}},{key:"ticksPerRender",get:function(){return this._ticksPerRender},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}},{key:"ticksPerOcclusionTest",get:function(){return this._ticksPerOcclusionTest},set:function(e){null==e?e=20:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}},{key:"passes",get:function(){return this._passes},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}},{key:"clearEachPass",get:function(){return this._clearEachPass},set:function(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}},{key:"gammaInput",get:function(){return this._renderer.gammaInput},set:function(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaOutput",get:function(){return this._renderer.gammaOutput},set:function(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaFactor",get:function(){return this._renderer.gammaFactor},set:function(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}},{key:"geometry",get:function(){return this.components["default.geometry"]||dr(hr)}},{key:"material",get:function(){return this.components["default.material"]||new gr(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}},{key:"xrayMaterial",get:function(){return this.components["default.xrayMaterial"]||new _r(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}},{key:"highlightMaterial",get:function(){return this.components["default.highlightMaterial"]||new _r(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}},{key:"selectedMaterial",get:function(){return this.components["default.selectedMaterial"]||new _r(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}},{key:"edgeMaterial",get:function(){return this.components["default.edgeMaterial"]||new br(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}},{key:"pointsMaterial",get:function(){return this.components["default.pointsMaterial"]||new Mr(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}},{key:"linesMaterial",get:function(){return this.components["default.linesMaterial"]||new Fr(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}},{key:"viewport",get:function(){return this._viewport}},{key:"camera",get:function(){return this._camera}},{key:"center",get:function(){if(this._aabbDirty||!this._center){var e=this.aabb;this._center||(this._center=re.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}},{key:"aabb",get:function(){if(this._aabbDirty){this._aabb||(this._aabb=re.AABB3());var e,t,i=re.MAX_DOUBLE,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MIN_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=this._collidables,u=!1;for(var c in l)if(l.hasOwnProperty(c)){if(!1===(t=l[c]).collidable)continue;(e=t.aabb)[0]<i&&(i=e[0]),e[1]<r&&(r=e[1]),e[2]<s&&(s=e[2]),e[3]>n&&(n=e[3]),e[4]>o&&(o=e[4]),e[5]>a&&(a=e[5]),u=!0}u||(i=-100,r=-100,s=-100,n=100,o=100,a=100),this._aabb[0]=i,this._aabb[1]=r,this._aabb[2]=s,this._aabb[3]=n,this._aabb[4]=o,this._aabb[5]=a,this._aabbDirty=!1,this._center=null}return this._aabb}},{key:"_setAABBDirty",value:function(){this._aabbDirty=!0,this.fire("boundary")}},{key:"pick",value:function(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");var i=e.includeEntities||e.include;i&&(e.includeEntityIds=kr(this,i));var r=e.excludeEntities||e.exclude;return r&&(e.excludeEntityIds=kr(this,r)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}},{key:"snapPick",value:function(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}},{key:"clear",value:function(){var e;for(var t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}},{key:"clearLights",value:function(){for(var e=Object.keys(this.lights),t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}},{key:"clearSectionPlanes",value:function(){for(var e=Object.keys(this.sectionPlanes),t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}},{key:"clearBitmaps",value:function(){for(var e=Object.keys(this.bitmaps),t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}},{key:"clearLines",value:function(){for(var e=Object.keys(this.lineSets),t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}},{key:"getAABB",value:function(e){if(void 0===e)return this.aabb;if(he.isString(e)){var t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;var i,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MAX_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE;if(this.withObjects(e,(function(e){if(e.collidable){var t=e.aabb;t[0]<r&&(r=t[0]),t[1]<s&&(s=t[1]),t[2]<n&&(n=t[2]),t[3]>o&&(o=t[3]),t[4]>a&&(a=t[4]),t[5]>l&&(l=t[5]),i=!0}})),i){var u=re.AABB3();return u[0]=r,u[1]=s,u[2]=n,u[3]=o,u[4]=a,u[5]=l,u}return this.aabb}},{key:"setObjectsVisible",value:function(e,t){return this.withObjects(e,(function(e){var i=e.visible!==t;return e.visible=t,i}))}},{key:"setObjectsCollidable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.collidable!==t;return e.collidable=t,i}))}},{key:"setObjectsCulled",value:function(e,t){return this.withObjects(e,(function(e){var i=e.culled!==t;return e.culled=t,i}))}},{key:"setObjectsSelected",value:function(e,t){return this.withObjects(e,(function(e){var i=e.selected!==t;return e.selected=t,i}))}},{key:"setObjectsHighlighted",value:function(e,t){return this.withObjects(e,(function(e){var i=e.highlighted!==t;return e.highlighted=t,i}))}},{key:"setObjectsXRayed",value:function(e,t){return this.withObjects(e,(function(e){var i=e.xrayed!==t;return e.xrayed=t,i}))}},{key:"setObjectsEdges",value:function(e,t){return this.withObjects(e,(function(e){var i=e.edges!==t;return e.edges=t,i}))}},{key:"setObjectsColorized",value:function(e,t){return this.withObjects(e,(function(e){e.colorize=t}))}},{key:"setObjectsOpacity",value:function(e,t){return this.withObjects(e,(function(e){var i=e.opacity!==t;return e.opacity=t,i}))}},{key:"setObjectsPickable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.pickable!==t;return e.pickable=t,i}))}},{key:"setObjectsOffset",value:function(e,t){this.withObjects(e,(function(e){e.offset=t}))}},{key:"withObjects",value:function(e,t){he.isString(e)&&(e=[e]);for(var i=!1,r=0,s=e.length;r<s;r++){var n=e[r],o=this.objects[n];if(o)i=t(o)||i;else for(var a=this.modelIds,l=0,u=a.length;l<u;l++){var c=a[l],A=re.globalizeObjectId(c,n);(o=this.objects[A])&&(i=t(o)||i)}}return i}},{key:"tickify",value:function(e){var t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;var i,r=0,s=0,n=function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];i=t,s++},o=this.on("tick",(function(){s>r&&(r=s,e.apply(void 0,A(i)))}));return this._tickifiedFunctions[t]={tickSubId:o,wrapperFunc:n},n}},{key:"destroy",value:function(){for(var e in f(B(i.prototype),"destroy",this).call(this),this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}]),i}(),Dr=1e3,Sr=1001,Tr=1002,Rr=1003,Lr=1004,Ur=1004,Or=1005,Nr=1005,Qr=1006,Vr=1007,Hr=1007,jr=1008,Gr=1008,zr=1009,Kr=1010,Wr=1011,Xr=1012,Jr=1013,Yr=1014,Zr=1015,qr=1016,$r=1017,es=1018,ts=1020,is=1021,rs=1022,ss=1023,ns=1024,os=1025,as=1026,ls=1027,us=1028,cs=1029,As=1030,hs=1031,ds=1033,ps=33776,fs=33777,vs=33778,gs=33779,ms=35840,_s=35841,ys=35842,bs=35843,Bs=36196,ws=37492,Ps=37496,xs=37808,Cs=37809,Ms=37810,Es=37811,Fs=37812,ks=37813,Is=37814,Ds=37815,Ss=37816,Ts=37817,Rs=37818,Ls=37819,Us=37820,Os=37821,Ns=36492,Qs=3e3,Vs=3001,Hs=1e4,js=10001,Gs=10002,zs=10003,Ks=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene._lightsState,s=e._geometry._state,n=e._state.billboard,o=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!s.compressGeometry,u=[];u.push("#version 300 es"),u.push("// Lambertian drawing vertex shader"),u.push("in vec3 position;"),u.push("uniform mat4 modelMatrix;"),u.push("uniform mat4 viewMatrix;"),u.push("uniform mat4 projMatrix;"),u.push("uniform vec4 colorize;"),u.push("uniform vec3 offset;"),l&&u.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(u.push("uniform float logDepthBufFC;"),u.push("out float vFragDepth;"),u.push("bool isPerspectiveMatrix(mat4 m) {"),u.push("    return (m[2][3] == - 1.0);"),u.push("}"),u.push("out float isPerspective;"));a&&u.push("out vec4 vWorldPosition;");if(u.push("uniform vec4 lightAmbient;"),u.push("uniform vec4 materialColor;"),u.push("uniform vec3 materialEmissive;"),s.normalsBuf){u.push("in vec3 normal;"),u.push("uniform mat4 modelNormalMatrix;"),u.push("uniform mat4 viewNormalMatrix;");for(var c=0,A=r.lights.length;c<A;c++){var h=r.lights[c];"ambient"!==h.type&&(u.push("uniform vec4 lightColor"+c+";"),"dir"===h.type&&u.push("uniform vec3 lightDir"+c+";"),"point"===h.type&&u.push("uniform vec3 lightPos"+c+";"),"spot"===h.type&&(u.push("uniform vec3 lightPos"+c+";"),u.push("uniform vec3 lightDir"+c+";")))}l&&(u.push("vec3 octDecode(vec2 oct) {"),u.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),u.push("    if (v.z < 0.0) {"),u.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),u.push("    }"),u.push("    return normalize(v);"),u.push("}"))}u.push("out vec4 vColor;"),"points"===s.primitiveName&&u.push("uniform float pointSize;");"spherical"!==n&&"cylindrical"!==n||(u.push("void billboard(inout mat4 mat) {"),u.push("   mat[0][0] = 1.0;"),u.push("   mat[0][1] = 0.0;"),u.push("   mat[0][2] = 0.0;"),"spherical"===n&&(u.push("   mat[1][0] = 0.0;"),u.push("   mat[1][1] = 1.0;"),u.push("   mat[1][2] = 0.0;")),u.push("   mat[2][0] = 0.0;"),u.push("   mat[2][1] = 0.0;"),u.push("   mat[2][2] =1.0;"),u.push("}"));u.push("void main(void) {"),u.push("vec4 localPosition = vec4(position, 1.0); "),u.push("vec4 worldPosition;"),l&&u.push("localPosition = positionsDecodeMatrix * localPosition;");s.normalsBuf&&(l?u.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):u.push("vec4 localNormal = vec4(normal, 0.0); "),u.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),u.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));u.push("mat4 viewMatrix2 = viewMatrix;"),u.push("mat4 modelMatrix2 = modelMatrix;"),o&&u.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(u.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),u.push("billboard(modelMatrix2);"),u.push("billboard(viewMatrix2);"),u.push("billboard(modelViewMatrix);"),s.normalsBuf&&(u.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),u.push("billboard(modelNormalMatrix2);"),u.push("billboard(viewNormalMatrix2);"),u.push("billboard(modelViewNormalMatrix);")),u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s.normalsBuf&&u.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(u.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),u.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),u.push("float lambertian = 1.0;"),s.normalsBuf)for(var d=0,p=r.lights.length;d<p;d++){var f=r.lights[d];if("ambient"!==f.type){if("dir"===f.type)"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);");else if("point"===f.type)"view"===f.space?u.push("viewLightDir = -normalize(lightPos"+d+" - viewPosition.xyz);"):u.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+d+", 0.0)).xyz);");else{if("spot"!==f.type)continue;"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);")}u.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),u.push("reflectedColor += lambertian * (lightColor"+d+".rgb * lightColor"+d+".a);")}}u.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&u.push("vWorldPosition = worldPosition;");"points"===s.primitiveName&&u.push("gl_PointSize = pointSize;");u.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(u.push("vFragDepth = 1.0 + clipPos.w;"),u.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return u.push("gl_Position = clipPos;"),u.push("}"),u}(e),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState;e._material._state;var r=e._geometry._state,s=i.getNumAllocatedSectionPlanes()>0,n=t.gammaOutput,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));if(s){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(var a=0,l=i.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";")}o.push("in vec4 vColor;"),n&&(o.push("uniform float gammaFactor;"),o.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(var u=0,c=i.getNumAllocatedSectionPlanes();u<c;u++)o.push("if (sectionPlaneActive"+u+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+u+".xyz, vWorldPosition.xyz - sectionPlanePos"+u+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===r.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");n?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)):(this.vertex=function(e){var t=e.scene;e._material;var i,r=e._state,s=t._sectionPlanesState,n=e._geometry._state,o=t._lightsState,a=r.billboard,l=r.background,u=r.stationary,c=function(e){if(!e._geometry._state.uvBuf)return!1;var t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),A=Js(e),h=s.getNumAllocatedSectionPlanes()>0,d=Xs(e),p=!!n.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),h&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(A){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(var v=0,g=o.lights.length;v<g;v++)"ambient"!==(i=o.lights[v]).type&&("dir"===i.type&&f.push("uniform vec3 lightDir"+v+";"),"point"===i.type&&f.push("uniform vec3 lightPos"+v+";"),"spot"===i.type&&(f.push("uniform vec3 lightPos"+v+";"),f.push("uniform vec3 lightDir"+v+";")),"dir"===i.type&&"view"===i.space||f.push("out vec4 vViewLightReverseDirAndDist"+v+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}c&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));n.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===n.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(var m=0,_=o.lights.length;m<_;m++)o.lights[m].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+m+";"),f.push("uniform mat4 shadowProjMatrix"+m+";"),f.push("out vec4 vShadowPosFromLight"+m+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");A&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),u?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),A&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(A){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(var y=0,b=o.lights.length;y<b;y++)"ambient"!==(i=o.lights[y]).type&&("dir"===i.type&&"world"===i.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+y+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+y+" = vec4(-tmpVec3, 0.0);")),"point"===i.type&&("world"===i.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+y+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+y+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+y+" = vec4(tmpVec3, lightDist);")))}c&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));n.colors&&f.push("vColor = color;");"points"===n.primitiveName&&f.push("gl_PointSize = pointSize;");h&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(var B=0,w=o.lights.length;B<w;B++)o.lights[B].castsShadow&&f.push("vShadowPosFromLight"+B+" = texUnitConverter * shadowProjMatrix"+B+" * (shadowViewMatrix"+B+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=e._material,r=e._geometry._state,s=e.scene._sectionPlanesState,n=e.scene._lightsState,o=e._material._state,a=s.getNumAllocatedSectionPlanes()>0,l=Js(e),u=r.uvBuf,c="PhongMaterial"===o.type,A="MetallicMaterial"===o.type,h="SpecularMaterial"===o.type,d=Xs(e);t.gammaInput;var p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("uniform bool sectionPlaneActive"+v+";"),f.push("uniform vec3 sectionPlanePos"+v+";"),f.push("uniform vec3 sectionPlaneDir"+v+";")}l&&(n.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),n.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),c&&((n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Ws[n.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(A||h)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),n.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Ws[n.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),r.colors&&f.push("in vec4 vColor;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(n.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));o.ambient&&f.push("uniform vec3 materialAmbient;");o.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==o.alpha&&null!==o.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");o.emissive&&f.push("uniform vec3 materialEmissive;");o.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==o.glossiness&&null!==o.glossiness&&f.push("uniform float materialGlossiness;");void 0!==o.shininess&&null!==o.shininess&&f.push("uniform float materialShininess;");o.specular&&f.push("uniform vec3 materialSpecular;");void 0!==o.metallic&&null!==o.metallic&&f.push("uniform float materialMetallic;");void 0!==o.roughness&&null!==o.roughness&&f.push("uniform float materialRoughness;");void 0!==o.specularF0&&null!==o.specularF0&&f.push("uniform float materialSpecularF0;");u&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));u&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));u&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));u&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&u&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&u&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&u&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));u&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));u&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&u&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&u&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&u&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(var g=0,m=n.lights.length;g<m;g++){var _=n.lights[g];"ambient"!==_.type&&(f.push("uniform vec4 lightColor"+g+";"),"point"===_.type&&f.push("uniform vec3 lightAttenuation"+g+";"),"dir"===_.type&&"view"===_.space&&f.push("uniform vec3 lightDir"+g+";"),"point"===_.type&&"view"===_.space?f.push("uniform vec3 lightPos"+g+";"):f.push("in vec4 vViewLightReverseDirAndDist"+g+";"))}if(d)for(var y=0,b=n.lights.length;y<b;y++)n.lights[y].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+y+";"),f.push("uniform sampler2D shadowMap"+y+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("if (sectionPlaneActive"+v+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+v+".xyz, vWorldPosition.xyz - sectionPlanePos"+v+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===r.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),o.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");o.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):o.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");r.colors&&f.push("diffuseColor *= vColor.rgb;");o.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");o.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==o.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");r.colors&&f.push("alpha *= vColor.a;");void 0!==o.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==o.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==o.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==o.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));u&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Ws[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));u&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Ws[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));u&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Ws[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));u&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Ws[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));u&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));u&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(n.lights.length>0||n.lightMaps.length>0||n.reflectionMaps.length>0)){u&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),u&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),u&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),u&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),u&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),u&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),u&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),c&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),h&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),A&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),n.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),c&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(h||A)&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(var B=0,w=n.lights.length;B<w;B++){var P=n.lights[B];"ambient"!==P.type&&("dir"===P.type&&"view"===P.space?f.push("viewLightDir = -normalize(lightDir"+B+");"):"point"===P.type&&"view"===P.space?f.push("viewLightDir = normalize(lightPos"+B+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+B+".xyz);"),d&&P.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+B+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+B+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+B+".rgb * (lightColor"+B+".a * shadow);")):f.push("light.color =  lightColor"+B+".rgb * (lightColor"+B+".a );"),f.push("light.direction = viewLightDir;"),c&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(h||A)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}c?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Ws={};function Xs(e){if(!e.receivesShadow)return!1;var t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(var i=0,r=t.length;i<r;i++)if(t[i].castsShadow)return!0;return!1}function Js(e){var t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Ws[3e3]="linearToLinear",Ws[3001]="sRGBToLinear";var Ys=re.vec3(),Zs=new G({}),qs=function(e,t){this.id=Zs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ks(t),this._allocate(t)},$s={};qs.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";"),r=$s[i];if(!r){if((r=new qs(i,e)).errors)return console.log(r.errors.join("\n")),null;$s[i]=r,ae.memory.programs++}return r._useCount++,r},qs.prototype.put=function(){0==--this._useCount&&(Zs.removeItem(this.id),this._program&&this._program.destroy(),delete $s[this._hash],ae.memory.programs--)},qs.prototype.webglContextRestored=function(){this._program=null},qs.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=qt.MAX_TEXTURE_UNITS,r=t.scene,s=t._material,n=r.canvas.gl,o=this._program,a=t._state,l=t._material._state,u=t._geometry._state,c=r.camera,A=t.origin,h=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,h&&n.depthFunc(n.LEQUAL),this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):c.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,c.viewNormalMatrix),a.clippable){var d=r._sectionPlanesState.getNumAllocatedSectionPlanes(),p=r._sectionPlanesState.sectionPlanes.length;if(d>0)for(var f=r._sectionPlanesState.sectionPlanes,v=t.renderFlags,g=0;g<d;g++){var m=this._uSectionPlanes[g];if(m)if(g<p){var _=v.sectionPlanesActivePerLayer[g];if(n.uniform1i(m.active,_?1:0),_){var y=f[g];if(A){var b=Je(y.dist,y.dir,A,Ys);n.uniform3fv(m.pos,b)}else n.uniform3fv(m.pos,y.pos);n.uniform3fv(m.dir,y.dir)}}else n.uniform1i(m.active,0)}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;var B=l.backfaces;e.backfaces!==B&&(B?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=B);var w=l.frontface;switch(e.frontface!==w&&(w?n.frontFace(n.CCW):n.frontFace(n.CW),e.frontface=w),e.lineWidth!==l.lineWidth&&(n.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&n.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&n.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&n.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),s._ambientMap&&s._ambientMap._state.texture&&this._uMaterialAmbientMap&&(o.bindTexture(this._uMaterialAmbientMap,s._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&n.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,s._ambientMap._state.matrix)),s._diffuseMap&&s._diffuseMap._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,s._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,s._diffuseMap._state.matrix)),s._specularMap&&s._specularMap._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,s._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,s._specularMap._state.matrix)),s._emissiveMap&&s._emissiveMap._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,s._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,s._emissiveMap._state.matrix)),s._alphaMap&&s._alphaMap._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,s._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,s._alphaMap._state.matrix)),s._reflectivityMap&&s._reflectivityMap._state.texture&&this._uReflectivityMap&&(o.bindTexture(this._uReflectivityMap,s._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&n.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,s._reflectivityMap._state.matrix)),s._normalMap&&s._normalMap._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,s._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,s._normalMap._state.matrix)),s._occlusionMap&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,s._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,s._occlusionMap._state.matrix)),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&n.uniform1f(this._uDiffuseFresnelEdgeBias,s._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&n.uniform1f(this._uDiffuseFresnelCenterBias,s._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&n.uniform3fv(this._uDiffuseFresnelEdgeColor,s._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&n.uniform3fv(this._uDiffuseFresnelCenterColor,s._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&n.uniform1f(this._uDiffuseFresnelPower,s._diffuseFresnel.power)),s._specularFresnel&&(this._uSpecularFresnelEdgeBias&&n.uniform1f(this._uSpecularFresnelEdgeBias,s._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&n.uniform1f(this._uSpecularFresnelCenterBias,s._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&n.uniform3fv(this._uSpecularFresnelEdgeColor,s._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&n.uniform3fv(this._uSpecularFresnelCenterColor,s._specularFresnel.centerColor),this._uSpecularFresnelPower&&n.uniform1f(this._uSpecularFresnelPower,s._specularFresnel.power)),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&n.uniform1f(this._uAlphaFresnelEdgeBias,s._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&n.uniform1f(this._uAlphaFresnelCenterBias,s._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&n.uniform3fv(this._uAlphaFresnelEdgeColor,s._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&n.uniform3fv(this._uAlphaFresnelCenterColor,s._alphaFresnel.centerColor),this._uAlphaFresnelPower&&n.uniform1f(this._uAlphaFresnelPower,s._alphaFresnel.power)),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&n.uniform1f(this._uReflectivityFresnelEdgeBias,s._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&n.uniform1f(this._uReflectivityFresnelCenterBias,s._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&n.uniform3fv(this._uReflectivityFresnelEdgeColor,s._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&n.uniform3fv(this._uReflectivityFresnelCenterColor,s._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&n.uniform1f(this._uReflectivityFresnelPower,s._reflectivityFresnel.power)),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&n.uniform1f(this._uEmissiveFresnelEdgeBias,s._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&n.uniform1f(this._uEmissiveFresnelCenterBias,s._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&n.uniform3fv(this._uEmissiveFresnelEdgeColor,s._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&n.uniform3fv(this._uEmissiveFresnelCenterColor,s._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&n.uniform1f(this._uEmissiveFresnelPower,s._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&n.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&n.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&n.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&n.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var P=s._baseColorMap;P&&P._state.texture&&this._uBaseColorMap&&(o.bindTexture(this._uBaseColorMap,P._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&n.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,P._state.matrix));var x=s._metallicMap;x&&x._state.texture&&this._uMetallicMap&&(o.bindTexture(this._uMetallicMap,x._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&n.uniformMatrix4fv(this._uMetallicMapMatrix,!1,x._state.matrix));var C=s._roughnessMap;C&&C._state.texture&&this._uRoughnessMap&&(o.bindTexture(this._uRoughnessMap,C._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&n.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,C._state.matrix));var M=s._metallicRoughnessMap;M&&M._state.texture&&this._uMetallicRoughnessMap&&(o.bindTexture(this._uMetallicRoughnessMap,M._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&n.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,M._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&n.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&n.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var E=s._diffuseMap;E&&E._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,E._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,E._state.matrix));var F=s._specularMap;F&&F._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,F._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,F._state.matrix));var k=s._glossinessMap;k&&k._state.texture&&this._uGlossinessMap&&(o.bindTexture(this._uGlossinessMap,k._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&n.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,k._state.matrix));var I,D,S,T,R=s._specularGlossinessMap;R&&R._state.texture&&this._uSpecularGlossinessMap&&(o.bindTexture(this._uSpecularGlossinessMap,R._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&n.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,R._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&D._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix))}this._lastMaterialId=l.id}if(n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),this._uColorize){var L=a.colorize,U=this._lastColorize;U[0]===L[0]&&U[1]===L[1]&&U[2]===L[2]&&U[3]===L[3]||(n.uniform4fv(this._uColorize,L),U[0]=L[0],U[1]=L[1],U[2]=L[2],U[3]=L[3])}n.uniform3fv(this._uOffset,a.offset),u.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,u.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,u.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(u.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(u.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(u.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(u.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(u.flagsBuf),e.bindArray++),u.indicesBuf&&(u.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=u.id),u.indicesBuf?(n.drawElements(u.primitive,u.indicesBuf.numItems,u.indicesBuf.itemType,0),e.drawElements++):u.positions&&(n.drawArrays(n.TRIANGLES,0,u.positions.numItems),e.drawArrays++),h&&n.depthFunc(n.LESS)},qs.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=e._material,s=t._lightsState,n=t._sectionPlanesState,o=e._material._state;if(this._program=new li(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));for(var l,u=s.lights,c=0,A=u.length;c<A;c++){switch((l=u[c]).type){case"ambient":this._uLightAmbient[c]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=null,this._uLightDir[c]=a.getLocation("lightDir"+c);break;case"point":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=a.getLocation("lightPos"+c),this._uLightDir[c]=null,this._uLightAttenuation[c]=a.getLocation("lightAttenuation"+c);break;case"spot":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=a.getLocation("lightPos"+c),this._uLightDir[c]=a.getLocation("lightDir"+c),this._uLightAttenuation[c]=a.getLocation("lightAttenuation"+c)}l.castsShadow&&(this._uShadowViewMatrix[c]=a.getLocation("shadowViewMatrix"+c),this._uShadowProjMatrix[c]=a.getLocation("shadowProjMatrix"+c))}s.lightMaps.length>0&&(this._uLightMap="lightMap"),s.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(c=0,A=n.sectionPlanes.length;c<A;c++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+c),pos:a.getLocation("sectionPlanePos"+c),dir:a.getLocation("sectionPlaneDir"+c)});switch(this._uPointSize=a.getLocation("pointSize"),o.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),r._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),r._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),r._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),r._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),r._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),r._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0}},qs.prototype._bindProgram=function(e){var t,i=qt.MAX_TEXTURE_UNITS,r=this._scene,s=r.canvas.gl,n=r._lightsState,o=r.camera.project,a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),r.logarithmicDepthBufferEnabled){var l=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,l)}for(var u=0,c=n.lights.length;u<c;u++)if(t=n.lights[u],this._uLightAmbient[u])s.uniform4f(this._uLightAmbient[u],t.color[0],t.color[1],t.color[2],t.intensity);else if(this._uLightColor[u]&&s.uniform4f(this._uLightColor[u],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[u]&&(s.uniform3fv(this._uLightPos[u],t.pos),this._uLightAttenuation[u]&&s.uniform1f(this._uLightAttenuation[u],t.attenuation)),this._uLightDir[u]&&s.uniform3fv(this._uLightDir[u],t.dir),t.castsShadow){this._uShadowViewMatrix[u]&&s.uniformMatrix4fv(this._uShadowViewMatrix[u],!1,t.getShadowViewMatrix()),this._uShadowProjMatrix[u]&&s.uniformMatrix4fv(this._uShadowProjMatrix[u],!1,t.getShadowProjMatrix());var A=t.getShadowRenderBuf();A&&(a.bindTexture("shadowMap"+u,A.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++)}n.lightMaps.length>0&&n.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,n.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),n.reflectionMaps.length>0&&n.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,n.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,r.gammaFactor),this._baseTextureUnit=e.textureUnit};var en=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._lightsState,r=function(e){var t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),s=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,n=!!e._geometry._state.compressGeometry,o=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),n&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));s&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),r){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(l.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&l.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&l.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&l.push("uniform vec3 lightPos"+u+";"))}n&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===o||"cylindrical"===o)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===o&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),n&&l.push("localPosition = positionsDecodeMatrix * localPosition;");r&&(n?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),r&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),r)for(var h=0,d=i.lights.length;h<d;h++){var p=i.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?l.push("viewLightDir = normalize(lightDir"+h+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+h+", 0.0)).xyz);");else{if("point"!==p.type)continue;"view"===p.space?l.push("viewLightDir = normalize(lightPos"+h+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+h+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),s&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===e._geometry._state.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var tn=new G({}),rn=re.vec3(),sn=function(e,t){this.id=tn.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new en(t),this._allocate(t)},nn={};sn.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=nn[t];return i||(i=new sn(t,e),nn[t]=i,ae.memory.programs++),i._useCount++,i},sn.prototype.put=function(){0==--this._useCount&&(tn.removeItem(this.id),this._program&&this._program.destroy(),delete nn[this._hash],ae.memory.programs--)},sn.prototype.webglContextRestored=function(){this._program=null},sn.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r=this._scene,s=r.camera,n=r.canvas.gl,o=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,u=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,u?e.getRTCViewMatrix(a.originHash,u):s.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.viewNormalMatrix),a.clippable){var c=r._sectionPlanesState.getNumAllocatedSectionPlanes(),A=r._sectionPlanesState.sectionPlanes.length;if(c>0)for(var h=r._sectionPlanesState.sectionPlanes,d=t.renderFlags,p=0;p<c;p++){var f=this._uSectionPlanes[p];if(f)if(p<A){var v=d.sectionPlanesActivePerLayer[p];if(n.uniform1i(f.active,v?1:0),v){var g=h[p];if(u){var m=Je(g.dist,g.dir,u,rn);n.uniform3fv(f.pos,m)}else n.uniform3fv(f.pos,g.pos);n.uniform3fv(f.dir,g.dir)}}else n.uniform1i(f.active,0)}}if(o.id!==this._lastMaterialId){var _=o.fillColor,y=o.backfaces;e.backfaces!==y&&(y?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=y),n.uniform4f(this._uFillColor,_[0],_[1],_[2],o.fillAlpha),this._lastMaterialId=o.id}n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),n.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(n.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(n.drawArrays(n.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},sn.prototype._allocate=function(e){var t=e.scene,i=t._lightsState,r=t._sectionPlanesState,s=t.canvas.gl;if(this._program=new li(s,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uModelMatrix=n.getLocation("modelMatrix"),this._uModelNormalMatrix=n.getLocation("modelNormalMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uViewNormalMatrix=n.getLocation("viewNormalMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var o=0,a=i.lights.length;o<a;o++){switch(i.lights[o].type){case"ambient":this._uLightAmbient[o]=n.getLocation("lightAmbient");break;case"dir":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=null,this._uLightDir[o]=n.getLocation("lightDir"+o);break;case"point":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=n.getLocation("lightPos"+o),this._uLightDir[o]=null,this._uLightAttenuation[o]=n.getLocation("lightAttenuation"+o)}}this._uSectionPlanes=[];for(var l=0,u=r.getNumAllocatedSectionPlanes();l<u;l++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+l),pos:n.getLocation("sectionPlanePos"+l),dir:n.getLocation("sectionPlaneDir"+l)});this._uFillColor=n.getLocation("fillColor"),this._aPosition=n.getAttribute("position"),this._aNormal=n.getAttribute("normal"),this._uClippable=n.getLocation("clippable"),this._uGammaFactor=n.getLocation("gammaFactor"),this._uOffset=n.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},sn.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t._lightsState,s=t.camera,n=s.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),t.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];this._uLightAmbient[a]?i.uniform4f(this._uLightAmbient[a],u.color[0],u.color[1],u.color[2],u.intensity):(this._uLightColor[a]&&i.uniform4f(this._uLightColor[a],u.color[0],u.color[1],u.color[2],u.intensity),this._uLightPos[a]&&(i.uniform3fv(this._uLightPos[a],u.pos),this._uLightAttenuation[a]&&i.uniform1f(this._uLightAttenuation[a],u.attenuation)),this._uLightDir[a]&&i.uniform3fv(this._uLightDir[a],u.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};var on=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Edges drawing vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec4 edgeColor;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));i&&o.push("out vec4 vWorldPosition;");o.push("out vec4 vColor;"),("spherical"===s||"cylindrical"===s)&&(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));o.push("vColor = edgeColor;"),i&&o.push("vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Edges drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var an=new G({}),ln=re.vec3(),un=function(e,t){this.id=an.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new on(t),this._allocate(t)},cn={};un.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=cn[t];return i||(i=new un(t,e),cn[t]=i,ae.memory.programs++),i._useCount++,i},un.prototype.put=function(){0==--this._useCount&&(an.removeItem(this.id),this._program&&this._program.destroy(),delete cn[this._hash],ae.memory.programs--)},un.prototype.webglContextRestored=function(){this._program=null},un.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r,s,n=this._scene,o=n.camera,a=n.canvas.gl,l=t._state,u=t._geometry,c=u._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),a.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(l.originHash,A):o.viewMatrix),l.clippable){var h=n._sectionPlanesState.getNumAllocatedSectionPlanes(),d=n._sectionPlanesState.sectionPlanes.length;if(h>0)for(var p=n._sectionPlanesState.sectionPlanes,f=t.renderFlags,v=0;v<h;v++){var g=this._uSectionPlanes[v];if(g)if(v<d){var m=f.sectionPlanesActivePerLayer[v];if(a.uniform1i(g.active,m?1:0),m){var _=p[v];if(A){var y=Je(_.dist,_.dir,A,ln);a.uniform3fv(g.pos,y)}else a.uniform3fv(g.pos,_.pos);a.uniform3fv(g.dir,_.dir)}}else a.uniform1i(g.active,0)}}switch(i){case 0:r=t._xrayMaterial._state;break;case 1:r=t._highlightMaterial._state;break;case 2:r=t._selectedMaterial._state;break;default:r=t._edgeMaterial._state}if(r.id!==this._lastMaterialId){var b=r.backfaces;if(e.backfaces!==b&&(b?a.disable(a.CULL_FACE):a.enable(a.CULL_FACE),e.backfaces=b),e.lineWidth!==r.edgeWidth&&(a.lineWidth(r.edgeWidth),e.lineWidth=r.edgeWidth),this._uEdgeColor){var B=r.edgeColor,w=r.edgeAlpha;a.uniform4f(this._uEdgeColor,B[0],B[1],B[2],w)}this._lastMaterialId=r.id}a.uniformMatrix4fv(this._uModelMatrix,a.FALSE,t.worldMatrix),this._uClippable&&a.uniform1i(this._uClippable,l.clippable),a.uniform3fv(this._uOffset,l.offset),c.primitive===a.TRIANGLES?s=u._getEdgeIndices():c.primitive===a.LINES&&(s=c.indicesBuf),s&&(c.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&a.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,c.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(c.positionsBuf,c.compressGeometry?a.UNSIGNED_SHORT:a.FLOAT),e.bindArray++),s.bind(),e.bindArray++,this._lastGeometryId=c.id),a.drawElements(a.LINES,s.numItems,s.itemType,0),e.drawElements++)},un.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program=new li(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(var n=0,o=r.getNumAllocatedSectionPlanes();n<o;n++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+n),pos:s.getLocation("sectionPlanePos"+n),dir:s.getLocation("sectionPlaneDir"+n)});this._uEdgeColor=s.getLocation("edgeColor"),this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uGammaFactor=s.getLocation("gammaFactor"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},un.prototype._bindProgram=function(e){var t=this._program,i=this._scene,r=i.canvas.gl,s=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),i.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,n)}this._uGammaFactor&&r.uniform1f(this._uGammaFactor,i.gammaFactor)};var An=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh picking vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("out vec4 vViewPosition;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("uniform vec2 pickClipPos;"),o.push("vec4 remapClipPos(vec4 clipPos) {"),o.push("    clipPos.xy /= clipPos.w;"),o.push("    clipPos.xy -= pickClipPos;"),o.push("    clipPos.xy *= clipPos.w;"),o.push("    return clipPos;"),o.push("}"),o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==s&&"cylindrical"!==s||(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"));o.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),o.push("   worldPosition.xyz = worldPosition.xyz + offset;"),o.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = remapClipPos(clipPos);"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(s.push("uniform vec4 pickColor;"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = pickColor; "),s.push("}"),s}(t)}));var hn=re.vec3(),dn=function(e,t){this._hash=e,this._shaderSource=new An(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},pn={};dn.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),i=pn[t];if(!i){if((i=new dn(t,e)).errors)return console.log(i.errors.join("\n")),null;pn[t]=i,ae.memory.programs++}return i._useCount++,i},dn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete pn[this._hash],ae.memory.programs--)},dn.prototype.webglContextRestored=function(){this._program=null},dn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(s.originHash,a):e.pickViewMatrix),s.clippable){var l=i._sectionPlanesState.getNumAllocatedSectionPlanes(),u=i._sectionPlanesState.sectionPlanes.length;if(l>0)for(var c=i._sectionPlanesState.sectionPlanes,A=t.renderFlags,h=0;h<l;h++){var d=this._uSectionPlanes[h];if(d)if(h<u){var p=A.sectionPlanesActivePerLayer[h];if(r.uniform1i(d.active,p?1:0),p){var f=c[h];if(a){var v=Je(f.dist,f.dir,a,hn);r.uniform3fv(d.pos,v)}else r.uniform3fv(d.pos,f.pos);r.uniform3fv(d.dir,f.dir)}}else r.uniform1i(d.active,0)}}if(n.id!==this._lastMaterialId){var g=n.backfaces;e.backfaces!==g&&(g?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=g);var m=n.frontface;e.frontface!==m&&(m?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=m),this._lastMaterialId=n.id}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id);var _=t._state.pickID,y=_>>24&255,b=_>>16&255,B=_>>8&255,w=255&_;r.uniform4f(this._uPickColor,w/255,B/255,b/255,y/255),r.uniform2fv(this._uPickClipPos,e.pickClipPos),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)},dn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new li(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uPickColor=r.getLocation("pickColor"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null}},dn.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastGeometryId=null};var fn=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=[];s.push("#version 300 es"),s.push("// Surface picking vertex shader"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform vec3 offset;"),i&&(s.push("uniform bool clippable;"),s.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;"));s.push("uniform vec2 pickClipPos;"),s.push("vec4 remapClipPos(vec4 clipPos) {"),s.push("    clipPos.xy /= clipPos.w;"),s.push("    clipPos.xy -= pickClipPos;"),s.push("    clipPos.xy *= clipPos.w;"),s.push("    return clipPos;"),s.push("}"),s.push("out vec4 vColor;"),r&&s.push("uniform mat4 positionsDecodeMatrix;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),r&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("   vec4 worldPosition = modelMatrix * localPosition; "),s.push("   worldPosition.xyz = worldPosition.xyz + offset;"),s.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&s.push("   vWorldPosition = worldPosition;");s.push("   vColor = color;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return s.push("gl_Position = remapClipPos(clipPos);"),s.push("}"),s}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Surface picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),s.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)s.push("if (sectionPlaneActive"+o+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = vColor;"),s.push("}"),s}(t)}));var vn=re.vec3(),gn=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new fn(t),this._allocate(t)},mn={};gn.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=mn[t];if(!i){if((i=new gn(t,e)).errors)return console.log(i.errors.join("\n")),null;mn[t]=i,ae.memory.programs++}return i._useCount++,i},gn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete mn[this._hash],ae.memory.programs--)},gn.prototype.webglContextRestored=function(){this._program=null},gn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry,a=t._geometry._state,l=t.origin,u=n.backfaces,c=n.frontface,A=i.camera.project,h=o._getPickTrianglePositions(),d=o._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){var p=2/(Math.log(A.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,p)}if(r.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(s.originHash,l):e.pickViewMatrix),s.clippable){var f=i._sectionPlanesState.getNumAllocatedSectionPlanes(),v=i._sectionPlanesState.sectionPlanes.length;if(f>0)for(var g=i._sectionPlanesState.sectionPlanes,m=t.renderFlags,_=0;_<f;_++){var y=this._uSectionPlanes[_];if(y)if(_<v){var b=m.sectionPlanesActivePerLayer[_];if(r.uniform1i(y.active,b?1:0),b){var B=g[_];if(l){var w=Je(B.dist,B.dir,l,vn);r.uniform3fv(y.pos,w)}else r.uniform3fv(y.pos,B.pos);r.uniform3fv(y.dir,B.dir)}}else r.uniform1i(y.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&r.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==u&&(u?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=u),e.frontface!==c&&(c?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=c),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(h,a.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT)):this._aPosition.bindArrayBuffer(h),r.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),r.enableVertexAttribArray(this._aColor.location),r.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),r.drawArrays(a.primitive,0,h.numItems/3)},gn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new li(i,this._shaderSource),this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._aColor=r.getAttribute("color"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}};var _n=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh occlusion vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("}"),s}(t)}));var yn=re.vec3(),bn=function(e,t){this._hash=e,this._shaderSource=new _n(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Bn={};bn.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";"),i=Bn[t];if(!i){if((i=new bn(t,e)).errors)return console.log(i.errors.join("\n")),null;Bn[t]=i,ae.memory.programs++}return i._useCount++,i},bn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Bn[this._hash],ae.memory.programs--)},bn.prototype.webglContextRestored=function(){this._program=null},bn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._material._state,n=t._state,o=t._geometry._state,a=t.origin;if(!(s.alpha<1)){if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){var l=s.backfaces;e.backfaces!==l&&(l?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=l);var u=s.frontface;e.frontface!==u&&(u?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=u),this._lastMaterialId=s.id}var c=i.camera;if(r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(n.originHash,a):c.viewMatrix),n.clippable){var A=i._sectionPlanesState.getNumAllocatedSectionPlanes(),h=i._sectionPlanesState.sectionPlanes.length;if(A>0)for(var d=i._sectionPlanesState.sectionPlanes,p=t.renderFlags,f=0;f<A;f++){var v=this._uSectionPlanes[f];if(v)if(f<h){var g=p.sectionPlanesActivePerLayer[f];if(r.uniform1i(v.active,g?1:0),g){var m=d[f];if(a){var _=Je(m.dist,m.dir,a,yn);r.uniform3fv(v.pos,_)}else r.uniform3fv(v.pos,m.pos);r.uniform3fv(v.dir,m.dir)}}else r.uniform1i(v.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,c._project._state.matrix),r.uniformMatrix4fv(this._uModelMatrix,r.FALSE,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)}},bn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new li(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},bn.prototype._bindProgram=function(e){var t=this._scene,i=t.camera.project,r=t.canvas.gl;if(this._program.bind(),e.useProgram++,r.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(i.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};var wn=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,r=[];r.push("// Mesh shadow vertex shader"),r.push("in vec3 position;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 shadowViewMatrix;"),r.push("uniform mat4 shadowProjMatrix;"),r.push("uniform vec3 offset;"),i&&r.push("uniform mat4 positionsDecodeMatrix;");t&&r.push("out vec4 vWorldPosition;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),r.push("vec4 worldPosition;"),i&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("worldPosition = modelMatrix * localPosition;"),r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&r.push("vWorldPosition = worldPosition;");return r.push("   gl_Position = shadowProjMatrix * viewPosition;"),r.push("}"),r}(t),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("// Mesh shadow fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("vec4 encodeFloat( const in float depth ) {"),s.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),s.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),s.push("  vec4 comp = fract(depth * bitShift);"),s.push("  comp -= comp.xxyz * bitMask;"),s.push("  return comp;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("outColor = encodeFloat(gl_FragCoord.z);"),s.push("}"),s}(t)}));var Pn=function(e,t){this._hash=e,this._shaderSource=new wn(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},xn={};Pn.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),r=xn[i];if(!r){if((r=new Pn(i,e)).errors)return console.log(r.errors.join("\n")),null;xn[i]=r,ae.memory.programs++}return r._useCount++,r},Pn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete xn[this._hash],ae.memory.programs--)},Pn.prototype.webglContextRestored=function(){this._program=null},Pn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene.canvas.gl,r=t._material._state,s=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){var n=r.backfaces;e.backfaces!==n&&(n?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=n);var o=r.frontface;e.frontface!==o&&(o?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=o),e.lineWidth!==r.lineWidth&&(i.lineWidth(r.lineWidth),e.lineWidth=r.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,r.pointSize),this._lastMaterialId=r.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),s.combineGeometry){var a=t.vertexBufs;a.id!==this._lastVertexBufsId&&(a.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(a.positionsBuf,a.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=a.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),s.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,s.positionsDecodeMatrix),s.combineGeometry?s.indicesBufCombined&&(s.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),s.indicesBuf&&(s.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=s.id),s.combineGeometry?s.indicesBufCombined&&(i.drawElements(s.primitive,s.indicesBufCombined.numItems,s.indicesBufCombined.itemType,0),e.drawElements++):s.indicesBuf?(i.drawElements(s.primitive,s.indicesBuf.numItems,s.indicesBuf.itemType,0),e.drawElements++):s.positions&&(i.drawArrays(i.TRIANGLES,0,s.positions.numItems),e.drawArrays++)},Pn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new li(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Pn.prototype._bindProgram=function(e){this._program||this._allocate(mesh);var t=this._scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.getNumAllocatedSectionPlanes()>0)for(var s,n,o,a=0,l=this._uSectionPlanes.length;a<l;a++)n=(s=this._uSectionPlanes[a]).active,o=r.sectionPlanes[a],n&&i.uniform1i(n,o.active),s.pos&&i.uniform3fv(s.pos,o.pos),s.dir&&i.uniform3fv(s.dir,o.dir)};var Cn=function(){function e(){P(this,e),this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}return C(e,[{key:"reset",value:function(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}]),e}(),Mn=re.OBB3(),En=re.vec4(),Fn=re.vec4(),kn=re.vec4(),In=re.vec3([1,0,0]),Dn=re.vec3([0,1,0]),Sn=re.vec3([0,0,1]),Tn=re.vec3(3),Rn=re.vec3(3),Ln=re.identityMat4(),Un=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r.originalSystemId=s.originalSystemId||r.id,r.renderFlags=new Cn,r._state=new ki({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==s.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!s.stationary,background:!!s.background,billboard:r._checkBillboard(s.billboard),layer:null,colorize:null,pickID:r.scene._renderer.getPickID(b(r)),drawHash:"",pickHash:"",offset:re.vec3(),origin:null,originHash:null}),r._drawRenderer=null,r._shadowRenderer=null,r._emphasisFillRenderer=null,r._emphasisEdgesRenderer=null,r._pickMeshRenderer=null,r._pickTriangleRenderer=null,r._occlusionRenderer=null,r._geometry=s.geometry?r._checkComponent2(["ReadableGeometry","VBOGeometry"],s.geometry):r.scene.geometry,r._material=s.material?r._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],s.material):r.scene.material,r._xrayMaterial=s.xrayMaterial?r._checkComponent("EmphasisMaterial",s.xrayMaterial):r.scene.xrayMaterial,r._highlightMaterial=s.highlightMaterial?r._checkComponent("EmphasisMaterial",s.highlightMaterial):r.scene.highlightMaterial,r._selectedMaterial=s.selectedMaterial?r._checkComponent("EmphasisMaterial",s.selectedMaterial):r.scene.selectedMaterial,r._edgeMaterial=s.edgeMaterial?r._checkComponent("EdgeMaterial",s.edgeMaterial):r.scene.edgeMaterial,r._parentNode=null,r._aabb=null,r._aabbDirty=!0,r._numTriangles=r._geometry?r._geometry.numTriangles:0,r.scene._aabbDirty=!0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._worldMatrix=re.identityMat4(),r._worldNormalMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,r._worldNormalMatrixDirty=!0;var n=s.origin||s.rtcCenter;if(n&&(r._state.origin=re.vec3(n),r._state.originHash=n.join()),s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.layer=s.layer,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.parentId){var o=r.scene.components[s.parentId];o?o.isNode?o.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'"),r._parentNode=o}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)),r._parentNode=s.parent);return r.compile(),r}return C(i,[{key:"type",get:function(){return"Mesh"}},{key:"isMesh",get:function(){return!0}},{key:"parent",get:function(){return this._parentNode}},{key:"geometry",get:function(){return this._geometry}},{key:"material",get:function(){return this._material}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix},set:function(e){this.__localMatrix||(this.__localMatrix=re.identityMat4()),this.__localMatrix.set(e||Ln),re.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._state.origin},set:function(e){e?(this._state.origin||(this._state.origin=re.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._state.visible},set:function(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}},{key:"xrayed",get:function(){return this._state.xrayed},set:function(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}},{key:"highlighted",get:function(){return this._state.highlighted},set:function(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}},{key:"selected",get:function(){return this._state.selected},set:function(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}},{key:"culled",get:function(){return this._state.culled},set:function(e){this._state.culled=!!e,this.glRedraw()}},{key:"clippable",get:function(){return this._state.clippable},set:function(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}},{key:"collidable",get:function(){return this._state.collidable},set:function(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"pickable",get:function(){return this._state.pickable},set:function(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._state.receivesShadow},set:function(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}},{key:"saoEnabled",get:function(){return!1}},{key:"colorize",get:function(){return this._state.colorize},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);var i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}},{key:"opacity",get:function(){return this._state.colorize[3]},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1);var i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}},{key:"transparent",get:function(){return 2===this._material.alphaMode||this._state.colorize[3]<1}},{key:"layer",get:function(){return this._state.layer},set:function(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}},{key:"stationary",get:function(){return this._state.stationary}},{key:"billboard",get:function(){return this._state.billboard}},{key:"offset",get:function(){return this._state.offset},set:function(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!0}},{key:"xrayMaterial",get:function(){return this._xrayMaterial}},{key:"highlightMaterial",get:function(){return this._highlightMaterial}},{key:"selectedMaterial",get:function(){return this._selectedMaterial}},{key:"edgeMaterial",get:function(){return this._edgeMaterial}},{key:"_checkBillboard",value:function(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}},{key:"compile",value:function(){var e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=qs.get(this),this._emphasisFillRenderer=sn.get(this),this._emphasisEdgesRenderer=un.get(this));var t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=dn.get(this)),this._state.occluder){var i=this._makeOcclusionHash();this._state.occlusionHash!==i&&(this._state.occlusionHash=i,this._putOcclusionRenderer(),this._occlusionRenderer=bn.get(this))}}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_buildWorldNormalMatrix",value:function(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=re.mat4()),re.transposeMat4(this._worldMatrix,this._worldNormalMatrix),re.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}},{key:"_setAABBDirty",value:function(){if(this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}},{key:"_webglContextRestored",value:function(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}},{key:"_makeDrawHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}},{key:"_makePickHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_makeOcclusionHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_buildAABB",value:function(e,t){re.transformOBB3(e,this._geometry.obb,Mn),re.OBB3ToAABB3(Mn,t);var i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){var r=this._state.origin;t[0]+=r[0],t[1]+=r[1],t[2]+=r[2],t[3]+=r[0],t[4]+=r[1],t[5]+=r[2]}}},{key:"rotate",value:function(e,t){return En[0]=e[0],En[1]=e[1],En[2]=e[2],En[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(En,Fn),re.mulQuaternions(this.quaternion,Fn,kn),this.quaternion=kn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return En[0]=e[0],En[1]=e[1],En[2]=e[2],En[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(En,Fn),re.mulQuaternions(Fn,this.quaternion,Fn),this}},{key:"rotateX",value:function(e){return this.rotate(In,e)}},{key:"rotateY",value:function(e){return this.rotate(Dn,e)}},{key:"rotateZ",value:function(e){return this.rotate(Sn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,Tn),re.mulVec3Scalar(Tn,t,Rn),re.addVec3(this.position,Rn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(In,e)}},{key:"translateY",value:function(e){return this.translate(Dn,e)}},{key:"translateZ",value:function(e){return this.translate(Sn,e)}},{key:"_putDrawRenderers",value:function(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}},{key:"_putPickRenderers",value:function(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}},{key:"_putOcclusionRenderer",value:function(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}},{key:"stateSortCompare",value:function(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}},{key:"_updateRenderFlags",value:function(){var e=this.renderFlags,t=this._state;if(t.xrayed){var i=this._xrayMaterial._state;i.fill&&(i.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges)this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0;if(t.selected){var r=this._selectedMaterial._state;r.fill&&(r.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){var s=this._highlightMaterial._state;s.fill&&(s.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),s.edges&&(s.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"_getActiveSectionPlanes",value:function(){if(this._state.clippable){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i],s=this.renderFlags;if(r.active)if(this._state.origin){var n=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===n)return!1;var o=0===n;s.sectionPlanesActivePerLayer[i]=o}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}},{key:"drawColorOpaque",value:function(e){(this._drawRenderer||(this._drawRenderer=qs.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawColorTransparent",value:function(e){(this._drawRenderer||(this._drawRenderer=qs.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawSilhouetteXRayed",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=sn.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}},{key:"drawSilhouetteHighlighted",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=sn.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}},{key:"drawSilhouetteSelected",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=sn.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}},{key:"drawEdgesColorOpaque",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=un.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesColorTransparent",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=un.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesXRayed",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=un.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}},{key:"drawEdgesHighlighted",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=un.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}},{key:"drawEdgesSelected",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=un.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}},{key:"drawOcclusion",value:function(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=bn.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}},{key:"drawShadow",value:function(e){(this._shadowRenderer||(this._shadowRenderer=Pn.get(this)))&&this._shadowRenderer.drawMesh(e,this)}},{key:"drawPickMesh",value:function(e){(this._pickMeshRenderer||(this._pickMeshRenderer=dn.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}},{key:"canPickTriangle",value:function(){return this._geometry.isReadableGeometry}},{key:"drawPickTriangles",value:function(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=gn.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}},{key:"pickTriangleSurface",value:function(e,t,i,r){On(this,e,t,i,r)}},{key:"drawPickVertices",value:function(e){}},{key:"delegatePickedEntity",value:function(){return this}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}]),i}(),On=function(){var e=re.vec3(),t=re.vec3(),i=re.vec3(),r=re.vec3(),s=re.vec3(),n=re.vec3(),o=re.vec4(),a=re.vec3(),l=re.vec3(),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3(),v=re.vec4(),g=re.vec4(),m=re.vec4(),_=re.vec3(),y=re.vec3(),b=re.vec3(),B=re.vec3(),w=re.vec3(),P=re.vec3(),x=re.vec3(),C=re.vec3(),M=re.vec3(),E=re.vec3(),F=re.vec3();return function(k,I,D,S,T){var R=T.primIndex;if(null!=R&&R>-1){var L=k.geometry._state,U=k.scene,O=U.camera,N=U.canvas;if("triangles"===L.primitiveName){T.primitive="triangle";var Q,V,H,j=R,G=L.indices,z=L.positions;if(G){var K=G[j+0],W=G[j+1],X=G[j+2];n[0]=K,n[1]=W,n[2]=X,T.indices=n,Q=3*K,V=3*W,H=3*X}else H=(V=(Q=3*j)+3)+3;if(i[0]=z[Q+0],i[1]=z[Q+1],i[2]=z[Q+2],r[0]=z[V+0],r[1]=z[V+1],r[2]=z[V+2],s[0]=z[H+0],s[1]=z[H+1],s[2]=z[H+2],L.compressGeometry){var J=L.positionsDecodeMatrix;J&&(ur.decompressPosition(i,J,i),ur.decompressPosition(r,J,r),ur.decompressPosition(s,J,s))}T.canvasPos?re.canvasPosToLocalRay(N.canvas,k.origin?ze(I,k.origin):I,D,S,k.worldMatrix,T.canvasPos,e,t):T.origin&&T.direction&&re.worldRayToLocalRay(k.worldMatrix,T.origin,T.direction,e,t),re.normalizeVec3(t),re.rayPlaneIntersect(e,t,i,r,s,o),T.localPos=o,T.position=o,v[0]=o[0],v[1]=o[1],v[2]=o[2],v[3]=1,re.transformVec4(k.worldMatrix,v,g),a[0]=g[0],a[1]=g[1],a[2]=g[2],T.canvasPos&&k.origin&&(a[0]+=k.origin[0],a[1]+=k.origin[1],a[2]+=k.origin[2]),T.worldPos=a,re.transformVec4(O.matrix,g,m),l[0]=m[0],l[1]=m[1],l[2]=m[2],T.viewPos=l,re.cartesianToBarycentric(o,i,r,s,u),T.bary=u;var Y=L.normals;if(Y){if(L.compressGeometry){var Z=3*K,q=3*W,$=3*X;ur.decompressNormal(Y.subarray(Z,Z+2),c),ur.decompressNormal(Y.subarray(q,q+2),A),ur.decompressNormal(Y.subarray($,$+2),h)}else c[0]=Y[Q],c[1]=Y[Q+1],c[2]=Y[Q+2],A[0]=Y[V],A[1]=Y[V+1],A[2]=Y[V+2],h[0]=Y[H],h[1]=Y[H+1],h[2]=Y[H+2];var ee=re.addVec3(re.addVec3(re.mulVec3Scalar(c,u[0],_),re.mulVec3Scalar(A,u[1],y),b),re.mulVec3Scalar(h,u[2],B),w);T.worldNormal=re.normalizeVec3(re.transformVec3(k.worldNormalMatrix,ee,P))}var te=L.uv;if(te){if(d[0]=te[2*K],d[1]=te[2*K+1],p[0]=te[2*W],p[1]=te[2*W+1],f[0]=te[2*X],f[1]=te[2*X+1],L.compressGeometry){var ie=L.uvDecodeMatrix;ie&&(ur.decompressUV(d,ie,d),ur.decompressUV(p,ie,p),ur.decompressUV(f,ie,f))}T.uv=re.addVec3(re.addVec3(re.mulVec2Scalar(d,u[0],x),re.mulVec2Scalar(p,u[1],C),M),re.mulVec2Scalar(f,u[2],E),F)}}}}}();function Nn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);var i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);var r=e.height||1;r<0&&(console.error("negative height not allowed - will invert"),r*=-1);var s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<3&&(s=3);var n=e.heightSegments||1;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n<1&&(n=1);var o,a,l,u,c,A,h,d,p,f,v,g=!!e.openEnded,m=e.center,_=m?m[0]:0,y=m?m[1]:0,b=m?m[2]:0,B=r/2,w=r/n,P=2*Math.PI/s,x=1/s,C=(t-i)/n,M=[],E=[],F=[],k=[],I=(90-180*Math.atan(r/(i-t))/Math.PI)/90;for(o=0;o<=n;o++)for(c=t-o*C,A=B-o*w,a=0;a<=s;a++)l=Math.sin(a*P),u=Math.cos(a*P),E.push(c*l),E.push(I),E.push(c*u),F.push(a*x),F.push(1*o/n),M.push(c*l+_),M.push(A+y),M.push(c*u+b);for(o=0;o<n;o++)for(a=0;a<=s;a++)d=(h=o*(s+1)+a)+s,k.push(h),k.push(d),k.push(d+1),k.push(h),k.push(d+1),k.push(h+1);if(!g&&t>0){for(p=M.length/3,E.push(0),E.push(1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(B+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*P),u=Math.cos(a*P),f=.5*Math.sin(a*P)+.5,v=.5*Math.cos(a*P)+.5,E.push(t*l),E.push(1),E.push(t*u),F.push(f),F.push(v),M.push(t*l+_),M.push(B+y),M.push(t*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(h),k.push(h+1),k.push(m)}if(!g&&i>0){for(p=M.length/3,E.push(0),E.push(-1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(0-B+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*P),u=Math.cos(a*P),f=.5*Math.sin(a*P)+.5,v=.5*Math.cos(a*P)+.5,E.push(i*l),E.push(-1),E.push(i*u),F.push(f),F.push(v),M.push(i*l+_),M.push(0-B+y),M.push(i*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(m),k.push(h+1),k.push(h)}return he.apply(e,{positions:M,normals:E,uv:F,indices:k})}function Qn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.lod||1,i=e.center?e.center[0]:0,r=e.center?e.center[1]:0,s=e.center?e.center[2]:0,n=e.radius||1;n<0&&(console.error("negative radius not allowed - will invert"),n*=-1);var o=e.heightSegments||18;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),(o=Math.floor(t*o))<18&&(o=18);var a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),(a=Math.floor(t*a))<18&&(a=18);var l,u,c,A,h,d,p,f,v,g,m,_,y,b,B=[],w=[],P=[],x=[];for(l=0;l<=o;l++)for(c=l*Math.PI/o,A=Math.sin(c),h=Math.cos(c),u=0;u<=a;u++)d=2*u*Math.PI/a,p=Math.sin(d),f=Math.cos(d)*A,v=h,g=p*A,m=1-u/a,_=l/o,w.push(f),w.push(v),w.push(g),P.push(m),P.push(_),B.push(i+n*f),B.push(r+n*v),B.push(s+n*g);for(l=0;l<o;l++)for(u=0;u<a;u++)b=(y=l*(a+1)+u)+a+1,x.push(y+1),x.push(b+1),x.push(b),x.push(y+1),x.push(b),x.push(y);return 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Hn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.origin||[0,0,0],i=t[0],r=t[1],s=t[2],n=e.size||1,o=[],a=[],l=e.text;he.isNumeric(l)&&(l=""+l);for(var u,c,A,h,d,p,f,v,g,m=(l||"").split("\n"),_=0,y=0,b=.04,B=0;B<m.length;B++){u=0,A=(c=m[B]).length;for(var w=0;w<A;w++)if(h=Vn[c.charAt(w)]){d=1,p=-1,f=-1,v=h.points.length;for(var P=0;P<v;P++)-1!==(g=h.points[P])[0]||-1!==g[1]?(o.push(u+g[0]*n*b+i),o.push(y+g[1]*n*b+r),o.push(0+s),-1===p?p=_:(-1===f||(p=f),f=_),_++,d?d=!1:(a.push(p),a.push(f))):d=1;u+=h.width*b*n}y-=35*b*n}return he.apply(e,{primitive:"lines",positions:o,indices:a})}var jn=function(e){g(i,Ue);var t=_(i);function i(e,r){var s;P(this,i),r=r||{},s=t.call(this,"AxisGizmo",e,r);var n=e.scene.camera;r.canvasId||r.canvasElement||s.error("Config expected: either 'canvasId' or 'canvasElement'");try{s._axisGizmoScene=new Ir(e,{canvasId:r.canvasId,canvasElement:r.canvasElement,transparent:!0})}catch(e){return s.error(e),y(s)}var 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gr(o,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),f=new gr(o,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),v=new gr(o,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});return s._meshes=[new Un(o,{geometry:new hr(o,Qn({radius:9,heightSegments:60,widthSegments:60})),material:new gr(o,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==r.visible}),new Un(o,{geometry:new hr(o,Qn({radius:1})),material:v,pickable:!1,collidable:!1,visible:!1!==r.visible}),new Un(o,{geometry:l,material:c,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[5,0,0],rotation:[0,0,-90]}),new Un(o,{geometry:u,material:c,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[2,0,0],rotation:[0,0,90]}),new Un(o,{geometry:new hr(o,Hn({text:"X",size:1.5})),material:A,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[7,0,0],billboard:"spherical"}),new Un(o,{geometry:l,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,5,0]}),new Un(o,{geometry:u,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,2,0]}),new Un(o,{geometry:new hr(o,Hn({text:"Y",size:1.5})),material:d,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,7,0],billboard:"spherical"}),new Un(o,{geometry:l,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,5],rotation:[90,0,0]}),new Un(o,{geometry:u,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,2],rotation:[90,0,0]}),new Un(o,{geometry:new hr(o,Hn({text:"Z",size:1.5})),material:f,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,7],billboard:"spherical"})],s}return C(i,[{key:"setVisible",value:function(e){for(var t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}},{key:"destroy",value:function(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,f(B(i.prototype),"destroy",this).call(this)}}]),i}();re.vec3();var Gn=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({active:!0,pos:re.vec3(),dir:re.vec3(),dist:0}),r.active=s.active,r.pos=s.pos,r.dir=s.dir,r.scene._sectionPlaneCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"SectionPlane"}},{key:"active",get:function(){return this._state.active},set:function(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dist",get:function(){return this._state.dist}},{key:"flipDir",value:function(){re.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}},{key:"destroy",value:function(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),zn=re.vec4(4),Kn=re.vec4(),Wn=re.vec4(),Xn=re.vec3([1,0,0]),Jn=re.vec3([0,1,0]),Yn=re.vec3([0,0,1]),Zn=re.vec3(3),qn=re.vec3(3),$n=re.identityMat4(),eo=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,e,s))._parentNode=null,r._children=[],r._aabb=null,r._aabbDirty=!0,r.scene._aabbDirty=!0,r._numTriangles=0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._offset=re.vec3(),r._localMatrix=re.identityMat4(),r._worldMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(b(r)),r.origin=s.origin,r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.children)for(var n=s.children,o=0,a=n.length;o<a;o++)r.addChild(n[o],s.inheritStates);if(s.parentId){var l=r.scene.components[s.parentId];l?l.isNode?l.addChild(b(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'")}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(b(r)));return r}return C(i,[{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._origin},set:function(e){e?(this._origin||(this._origin=re.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(var t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}},{key:"xrayed",get:function(){return this._xrayed},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}},{key:"selected",get:function(){return this._selected},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}},{key:"edges",get:function(){return this._edges},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}},{key:"pickable",get:function(){return this._pickable},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}},{key:"colorize",get:function(){return this._colorize.slice(0,3)},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(var i=0,r=this._children.length;i<r;i++)this._children[i].colorize=t;if(this._isObject){var s=!!e;this.scene._objectColorizeUpdated(this,s)}}},{key:"opacity",get:function(){return this._colorize[3]},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(var i=0,r=this._children.length;i<r;i++)this._children[i].opacity=e;if(this._isObject){var s=null!=e;this.scene._objectOpacityUpdated(this,s)}}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){e=!!e,this._castsShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){e=!!e,this._receivesShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}},{key:"saoEnabled",get:function(){return!1}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this._children.length;t<i;t++)this._children[t].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}},{key:"isNode",get:function(){return!0}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._children)for(var t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}},{key:"_setAABBDirty",value:function(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{var e;re.collapseAABB3(this._aabb);for(var t=0,i=this._children.length;t<i;t++)(e=this._children[t]).collidable&&re.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}},{key:"addChild",value:function(e,t){if(he.isNumeric(e)||he.isString(e)){var i=e;if(!(e=this.scene.component[i]))return void this.warn("Component not found: "+he.inQuotes(i));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+i)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}},{key:"removeChild",value:function(e){for(var t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}},{key:"removeChildren",value:function(){for(var e,t=0,i=this._children.length;t<i;t++)(e=this._children[t])._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}},{key:"numChildren",get:function(){return this._children.length}},{key:"children",get:function(){return this._children}},{key:"parent",get:function(){return this._parentNode},set:function(e){if(he.isNumeric(e)||he.isString(e)){var t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+he.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||$n),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return zn[0]=e[0],zn[1]=e[1],zn[2]=e[2],zn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(zn,Kn),re.mulQuaternions(this.quaternion,Kn,Wn),this.quaternion=Wn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return zn[0]=e[0],zn[1]=e[1],zn[2]=e[2],zn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(zn,Kn),re.mulQuaternions(Kn,this.quaternion,Kn),this}},{key:"rotateX",value:function(e){return this.rotate(Xn,e)}},{key:"rotateY",value:function(e){return this.rotate(Jn,e)}},{key:"rotateZ",value:function(e){return this.rotate(Yn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,Zn),re.mulVec3Scalar(Zn,t,qn),re.addVec3(this.position,qn,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(Xn,e)}},{key:"translateY",value:function(e){return this.translate(Jn,e)}},{key:"translateZ",value:function(e){return this.translate(Yn,e)}},{key:"type",get:function(){return"Node"}},{key:"destroy",value:function(){if(f(B(i.prototype),"destroy",this).call(this),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length)for(var e=this._children.splice(),t=0,r=e.length;t<r;t++)e[t].destroy();this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}]),i}(),to=function(e){g(i,pr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({type:"LambertMaterial",ambient:re.vec3([1,1,1]),color:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),r.ambient=s.ambient,r.color=s.color,r.emissive=s.emissive,r.alpha=s.alpha,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r.backfaces=s.backfaces,r.frontface=s.frontface,r}return C(i,[{key:"type",get:function(){return"LambertMaterial"}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){var t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),io={opaque:0,mask:1,blend:2},ro=["opaque","mask","blend"],so=function(e){g(i,pr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({type:"MetallicMaterial",baseColor:re.vec4([1,1,1]),emissive:re.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.baseColor=s.baseColor,r.metallic=s.metallic,r.roughness=s.roughness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.baseColorMap&&(r._baseColorMap=r._checkComponent("Texture",s.baseColorMap)),s.metallicMap&&(r._metallicMap=r._checkComponent("Texture",s.metallicMap)),s.roughnessMap&&(r._roughnessMap=r._checkComponent("Texture",s.roughnessMap)),s.metallicRoughnessMap&&(r._metallicRoughnessMap=r._checkComponent("Texture",s.metallicRoughnessMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"MetallicMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"baseColor",get:function(){return this._state.baseColor},set:function(e){var t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"baseColorMap",get:function(){return this._baseColorMap}},{key:"metallic",get:function(){return this._state.metallic},set:function(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}},{key:"metallicMap",get:function(){return this._attached.metallicMap}},{key:"roughness",get:function(){return this._state.roughness},set:function(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}},{key:"roughnessMap",get:function(){return this._attached.roughnessMap}},{key:"metallicRoughnessMap",get:function(){return this._attached.metallicRoughnessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._attached.emissiveMap}},{key:"occlusionMap",get:function(){return this._attached.occlusionMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._attached.alphaMap}},{key:"normalMap",get:function(){return this._attached.normalMap}},{key:"alphaMode",get:function(){return ro[this._state.alphaMode]},set:function(e){var t=io[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),no={opaque:0,mask:1,blend:2},oo=["opaque","mask","blend"],ao=function(e){g(i,pr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({type:"SpecularMaterial",diffuse:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),specular:re.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.diffuse=s.diffuse,r.specular=s.specular,r.glossiness=s.glossiness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.glossinessMap&&(r._glossinessMap=r._checkComponent("Texture",s.glossinessMap)),s.specularGlossinessMap&&(r._specularGlossinessMap=r._checkComponent("Texture",s.specularGlossinessMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"SpecularMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specularMap",get:function(){return this._specularMap}},{key:"specularGlossinessMap",get:function(){return this._specularGlossinessMap}},{key:"glossiness",get:function(){return this._state.glossiness},set:function(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}},{key:"glossinessMap",get:function(){return this._glossinessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"normalMap",get:function(){return this._normalMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"alphaMode",get:function(){return oo[this._state.alphaMode]},set:function(e){var t=no[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function lo(e,t){var i,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,s=t;if(1009===s)return e.UNSIGNED_BYTE;if(1017===s)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===s)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===s)return e.BYTE;if(1011===s)return e.SHORT;if(1012===s)return e.UNSIGNED_SHORT;if(1013===s)return e.INT;if(1014===s)return e.UNSIGNED_INT;if(1015===s)return e.FLOAT;if(1016===s)return e.HALF_FLOAT;if(1021===s)return e.ALPHA;if(1023===s)return e.RGBA;if(1024===s)return e.LUMINANCE;if(1025===s)return e.LUMINANCE_ALPHA;if(1026===s)return e.DEPTH_COMPONENT;if(1027===s)return e.DEPTH_STENCIL;if(1028===s)return e.RED;if(1022===s)return e.RGBA;if(1029===s)return e.RED_INTEGER;if(1030===s)return e.RG;if(1031===s)return e.RG_INTEGER;if(1033===s)return e.RGBA_INTEGER;if(33776===s||33777===s||33778===s||33779===s)if(3001===r){var n=xi(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===n)return null;if(33776===s)return n.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(null===(i=xi(e,"WEBGL_compressed_texture_s3tc")))return null;if(33776===s)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===s)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===s)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===s)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===s||35841===s||35842===s||35843===s){var o=xi(e,"WEBGL_compressed_texture_pvrtc");if(null===o)return null;if(35840===s)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===s)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===s)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===s)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===s){var a=xi(e,"WEBGL_compressed_texture_etc1");return null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===s||37496===s){var l=xi(e,"WEBGL_compressed_texture_etc");if(null===l)return null;if(37492===s)return 3001===r?l.COMPRESSED_SRGB8_ETC2:l.COMPRESSED_RGB8_ETC2;if(37496===s)return 3001===r?l.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:l.COMPRESSED_RGBA8_ETC2_EAC}if(37808===s||37809===s||37810===s||37811===s||37812===s||37813===s||37814===s||37815===s||37816===s||37817===s||37818===s||37819===s||37820===s||37821===s){var u=xi(e,"WEBGL_compressed_texture_astc");if(null===u)return null;if(37808===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:u.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:u.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:u.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:u.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:u.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:u.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:u.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:u.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:u.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:u.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:u.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:u.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:u.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:u.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===s){var c=xi(e,"EXT_texture_compression_bptc");if(null===c)return null;if(36492===s)return 3001===r?c.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:c.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===s?e.UNSIGNED_INT_24_8:1e3===s?e.REPEAT:1001===s?e.CLAMP_TO_EDGE:1004===s||1005===s?e.NEAREST_MIPMAP_LINEAR:1007===s?e.LINEAR_MIPMAP_NEAREST:1008===s?e.LINEAR_MIPMAP_LINEAR:1003===s?e.NEAREST:1006===s?e.LINEAR:null}var uo=new Uint8Array([0,0,0,1]),co=function(){function e(t){var i=t.gl,r=t.target,s=t.format,n=t.type,o=t.wrapS,a=t.wrapT,l=t.wrapR,u=t.encoding,c=t.preloadColor,A=t.premultiplyAlpha,h=t.flipY;P(this,e),this.gl=i,this.target=r||i.TEXTURE_2D,this.format=s||1023,this.type=n||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=o||1e3,this.wrapT=a||1e3,this.wrapR=l||1e3,this.encoding=u||3001,this.texture=i.createTexture(),c&&this.setPreloadColor(c),this.allocated=!0}return C(e,[{key:"setPreloadColor",value:function(e){e?(uo[0]=Math.floor(255*e[0]),uo[1]=Math.floor(255*e[1]),uo[2]=Math.floor(255*e[2]),uo[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(uo[0]=0,uo[1]=0,uo[2]=0,uo[3]=255);var t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP)for(var i=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z],r=0,s=i.length;r<s;r++)t.texImage2D(i[r],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,uo);else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,uo);t.bindTexture(this.target,null)}},{key:"setTarget",value:function(e){this.target=e||this.gl.TEXTURE_2D}},{key:"setImage",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);var r=!1;i.bindTexture(this.target,this.texture);var s=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);var n=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);var o=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);var a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);var l=lo(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(r=!0);var u=lo(i,this.magFilter);u&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,u);var c=lo(i,this.wrapS);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,c);var A=lo(i,this.wrapT);A&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,A);var h=lo(i,this.format,this.encoding),d=lo(i,this.type),p=Ao(i,this.internalFormat,h,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(he.isArray(e))for(var f=e,v=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z],g=0,m=v.length;g<m;g++)i.texImage2D(v[g],0,p,h,d,f[g])}else i.texImage2D(i.TEXTURE_2D,0,p,h,d,e);r&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,s),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n),i.pixelStorei(i.UNPACK_ALIGNMENT,o),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}},{key:"setCompressedData",value:function(e){var t=e.mipmaps,i=e.props,r=void 0===i?{}:i,s=this.gl,n=t.length;void 0!==r.format&&(this.format=r.format),void 0!==r.internalFormat&&(this.internalFormat=r.internalFormat),void 0!==r.encoding&&(this.encoding=r.encoding),void 0!==r.type&&(this.type=r.type),void 0!==r.flipY&&(this.flipY=r.flipY),void 0!==r.premultiplyAlpha&&(this.premultiplyAlpha=r.premultiplyAlpha),void 0!==r.unpackAlignment&&(this.unpackAlignment=r.unpackAlignment),void 0!==r.minFilter&&(this.minFilter=r.minFilter),void 0!==r.magFilter&&(this.magFilter=r.magFilter),void 0!==r.wrapS&&(this.wrapS=r.wrapS),void 0!==r.wrapT&&(this.wrapT=r.wrapT),void 0!==r.wrapR&&(this.wrapR=r.wrapR),s.activeTexture(s.TEXTURE0+0),s.bindTexture(this.target,this.texture);var o=t.length>1;s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,this.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,this.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE);var a=lo(s,this.wrapS);a&&s.texParameteri(this.target,s.TEXTURE_WRAP_S,a);var l=lo(s,this.wrapT);if(l&&s.texParameteri(this.target,s.TEXTURE_WRAP_T,l),this.type===s.TEXTURE_3D||this.type===s.TEXTURE_2D_ARRAY){var u=lo(s,this.wrapR);u&&s.texParameteri(this.target,s.TEXTURE_WRAP_R,u),s.texParameteri(this.type,s.TEXTURE_WRAP_R,u)}o?(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,ho(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,ho(s,this.magFilter))):(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,lo(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,lo(s,this.magFilter)));var c=lo(s,this.format,this.encoding),A=lo(s,this.type),h=Ao(s,this.internalFormat,c,A,this.encoding,!1);s.texStorage2D(s.TEXTURE_2D,n,h,t[0].width,t[0].height);for(var d=0,p=t.length;d<p;d++){var f=t[d];1023!==this.format?null!==c?s.compressedTexSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,c,f.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):s.texSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,c,A,f.data)}s.bindTexture(this.target,null)}},{key:"setProps",value:function(e){var t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}},{key:"_uploadProps",value:function(e){var t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){var i=lo(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){var r=lo(t,e.magFilter);r&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,r))}if(void 0!==e.wrapS){var s=lo(t,e.wrapS);s&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,s))}if(void 0!==e.wrapT){var n=lo(t,e.wrapT);n&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,n))}}},{key:"bind",value:function(e){if(this.allocated){if(this.texture){var t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}},{key:"unbind",value:function(e){if(this.allocated&&this.texture){var t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}},{key:"destroy",value:function(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}]),e}();function Ao(e,t,i,r,s){var n=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}var o=i;return i===e.RED&&(r===e.FLOAT&&(o=e.R32F),r===e.HALF_FLOAT&&(o=e.R16F),r===e.UNSIGNED_BYTE&&(o=e.R8)),i===e.RG&&(r===e.FLOAT&&(o=e.RG32F),r===e.HALF_FLOAT&&(o=e.RG16F),r===e.UNSIGNED_BYTE&&(o=e.RG8)),i===e.RGBA&&(r===e.FLOAT&&(o=e.RGBA32F),r===e.HALF_FLOAT&&(o=e.RGBA16F),r===e.UNSIGNED_BYTE&&(o=3001===s&&!1===n?e.SRGB8_ALPHA8:e.RGBA8),r===e.UNSIGNED_SHORT_4_4_4_4&&(o=e.RGBA4),r===e.UNSIGNED_SHORT_5_5_5_1&&(o=e.RGB5_A1)),o!==e.R16F&&o!==e.R32F&&o!==e.RG16F&&o!==e.RG32F&&o!==e.RGBA16F&&o!==e.RGBA32F||xi(e,"EXT_color_buffer_float"),o}function ho(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function po(e){if(!fo(e.width)||!fo(e.height)){var t=document.createElement("canvas");t.width=vo(e.width),t.height=vo(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function fo(e){return 0==(e&e-1)}function vo(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var go=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({texture:new co({gl:r.scene.canvas.gl}),matrix:re.identityMat4(),hasMatrix:s.translate&&(0!==s.translate[0]||0!==s.translate[1])||!!s.rotate||s.scale&&(0!==s.scale[0]||0!==s.scale[1]),minFilter:r._checkMinFilter(s.minFilter),magFilter:r._checkMagFilter(s.magFilter),wrapS:r._checkWrapS(s.wrapS),wrapT:r._checkWrapT(s.wrapT),flipY:r._checkFlipY(s.flipY),encoding:r._checkEncoding(s.encoding)}),r._src=null,r._image=null,r._translate=re.vec2([0,0]),r._scale=re.vec2([1,1]),r._rotate=re.vec2([0,0]),r._matrixDirty=!1,r.translate=s.translate,r.scale=s.scale,r.rotate=s.rotate,s.src?r.src=s.src:s.image&&(r.image=s.image),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"Texture"}},{key:"_checkMinFilter",value:function(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}},{key:"_checkMagFilter",value:function(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}},{key:"_checkWrapS",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkWrapT",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this._state.texture=new co({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}},{key:"_update",value:function(){var e,t,i=this._state;this._matrixDirty&&(0===this._translate[0]&&0===this._translate[1]||(e=re.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(t=re.scalingMat4v([this._scale[0],this._scale[1],1]),e=e?re.mulMat4(e,t):t),0!==this._rotate&&(t=re.rotationMat4v(.0174532925*this._rotate,[0,0,1]),e=e?re.mulMat4(e,t):t),e&&(i.matrix=e),this._matrixDirty=!1);this.glRedraw()}},{key:"image",get:function(){return this._image},set:function(e){this._image=po(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}},{key:"src",get:function(){return this._src},set:function(e){this.scene.loading++,this.scene.canvas.spinner.processes++;var t=this,i=new Image;i.onload=function(){i=po(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}},{key:"translate",get:function(){return this._translate},set:function(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}},{key:"rotate",get:function(){return this._rotate},set:function(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}},{key:"minFilter",get:function(){return this._state.minFilter}},{key:"magFilter",get:function(){return this._state.magFilter}},{key:"wrapS",get:function(){return this._state.wrapS}},{key:"wrapT",get:function(){return this._state.wrapT}},{key:"flipY",get:function(){return this._state.flipY}},{key:"encoding",get:function(){return this._state.encoding}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),ae.memory.textures--}}]),i}(),mo=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new ki({edgeColor:re.vec3([0,0,0]),centerColor:re.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),r.edgeColor=s.edgeColor,r.centerColor=s.centerColor,r.edgeBias=s.edgeBias,r.centerBias=s.centerBias,r.power=s.power,r}return C(i,[{key:"type",get:function(){return"Fresnel"}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}},{key:"centerColor",get:function(){return this._state.centerColor},set:function(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}},{key:"edgeBias",get:function(){return this._state.edgeBias},set:function(e){this._state.edgeBias=e||0,this.glRedraw()}},{key:"centerBias",get:function(){return this._state.centerBias},set:function(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}},{key:"power",get:function(){return this._state.power},set:function(e){this._state.power=null!=e?e:1,this.glRedraw()}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),_o=ae.memory,yo=re.AABB3(),bo=function(e){g(i,tr);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s))._state=new ki({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._aabb=null,r._obb=re.OBB3();var n,o=r._state,a=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":o.primitive=a.POINTS,o.primitiveName=s.primitive;break;case"lines":o.primitive=a.LINES,o.primitiveName=s.primitive;break;case"line-loop":o.primitive=a.LINE_LOOP,o.primitiveName=s.primitive;break;case"line-strip":o.primitive=a.LINE_STRIP,o.primitiveName=s.primitive;break;case"triangles":o.primitive=a.TRIANGLES,o.primitiveName=s.primitive;break;case"triangle-strip":o.primitive=a.TRIANGLE_STRIP,o.primitiveName=s.primitive;break;case"triangle-fan":o.primitive=a.TRIANGLE_FAN,o.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),o.primitive=a.TRIANGLES,o.primitiveName=s.primitive}if(!s.positions)return r.error("Config expected: positions"),y(r);if(!s.indices)return r.error("Config expected: indices"),y(r);var l=s.positionsDecodeMatrix;if(l);else{var u=ur.getPositionsBounds(s.positions),c=ur.compressPositions(s.positions,u.min,u.max);n=c.quantized,o.positionsDecodeMatrix=c.decodeMatrix,o.positionsBuf=new ui(a,a.ARRAY_BUFFER,n,n.length,3,a.STATIC_DRAW),_o.positions+=o.positionsBuf.numItems,re.positions3ToAABB3(s.positions,r._aabb),re.positions3ToAABB3(n,yo,o.positionsDecodeMatrix),re.AABB3ToOBB3(yo,r._obb)}if(s.colors){var A=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors);o.colorsBuf=new ui(a,a.ARRAY_BUFFER,A,A.length,4,a.STATIC_DRAW),_o.colors+=o.colorsBuf.numItems}if(s.uv){var h=ur.getUVBounds(s.uv),d=ur.compressUVs(s.uv,h.min,h.max),p=d.quantized;o.uvDecodeMatrix=d.decodeMatrix,o.uvBuf=new ui(a,a.ARRAY_BUFFER,p,p.length,2,a.STATIC_DRAW),_o.uvs+=o.uvBuf.numItems}if(s.normals){var f=ur.compressNormals(s.normals),v=o.compressGeometry;o.normalsBuf=new ui(a,a.ARRAY_BUFFER,f,f.length,3,a.STATIC_DRAW,v),_o.normals+=o.normalsBuf.numItems}var g=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices);o.indicesBuf=new ui(a,a.ELEMENT_ARRAY_BUFFER,g,g.length,1,a.STATIC_DRAW),_o.indices+=o.indicesBuf.numItems;var m=ir(n,g,o.positionsDecodeMatrix,r._edgeThreshold);return r._edgeIndicesBuf=new ui(a,a.ELEMENT_ARRAY_BUFFER,m,m.length,1,a.STATIC_DRAW),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3),r._buildHash(),_o.meshes++,r}return C(i,[{key:"type",get:function(){return"VBOGeometry"}},{key:"isVBOGeometry",get:function(){return!0}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"aabb",get:function(){return this._aabb}},{key:"obb",get:function(){return this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),_o.meshes--}}]),i}(),Bo={};function wo(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("load3DSGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),s.processes--,r());var n=Bo.parse.from3DS(e).edit.objects[0].mesh,o=n.vertices,a=n.uvt,l=n.indices;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),s.processes--,r()}))}))}function Po(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),s.processes--,r());for(var n=Bo.parse.fromOBJ(e),o=Bo.edit.unwrap(n.i_verts,n.c_verts,3),a=Bo.edit.unwrap(n.i_norms,n.c_norms,3),l=Bo.edit.unwrap(n.i_uvt,n.c_uvt,2),u=new Int32Array(n.i_verts.length),c=0;c<n.i_verts.length;c++)u[c]=c;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:u}))}),(function(e){console.error("loadOBJGeometry: "+e),s.processes--,r()}))}))}function xo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,c=-r+a,A=t+n,h=i+o,d=r+a;return he.apply(e,{primitive:"lines",positions:[l,u,c,l,u,d,l,h,c,l,h,d,A,u,c,A,u,d,A,h,c,A,h,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function Co(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return xo({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function Mo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);var i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1);for(var r=(t=t||10)/(i=i||10),s=t/2,n=[],o=[],a=0,l=0,u=-s;l<=i;l++,u+=r)n.push(-s),n.push(0),n.push(u),n.push(s),n.push(0),n.push(u),n.push(u),n.push(0),n.push(-s),n.push(u),n.push(0),n.push(s),o.push(a++),o.push(a++),o.push(a++),o.push(a++);return he.apply(e,{primitive:"lines",positions:n,indices:o})}function Eo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);var r=e.xSegments||1;r<0&&(console.error("negative xSegments not allowed - will invert"),r*=-1),r<1&&(r=1);var s=e.xSegments||1;s<0&&(console.error("negative zSegments not allowed - will invert"),s*=-1),s<1&&(s=1);var n,o,a,l,u,c,A,h=e.center,d=h?h[0]:0,p=h?h[1]:0,f=h?h[2]:0,v=t/2,g=i/2,m=Math.floor(r)||1,_=Math.floor(s)||1,y=m+1,b=_+1,B=t/m,w=i/_,P=new Float32Array(y*b*3),x=new Float32Array(y*b*3),C=new Float32Array(y*b*2),M=0,E=0;for(n=0;n<b;n++){var F=n*w-g;for(o=0;o<y;o++)a=o*B-v,P[M]=a+d,P[M+1]=p,P[M+2]=-F+f,x[M+2]=-1,C[E]=o/m,C[E+1]=(_-n)/_,M+=3,E+=2}M=0;var k=new(P.length/3>65535?Uint32Array:Uint16Array)(m*_*6);for(n=0;n<_;n++)for(o=0;o<m;o++)l=o+y*n,u=o+y*(n+1),c=o+1+y*(n+1),A=o+1+y*n,k[M]=A,k[M+1]=u,k[M+2]=l,k[M+3]=A,k[M+4]=c,k[M+5]=u,M+=6;return he.apply(e,{positions:P,normals:x,uv:C,indices:k})}function Fo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;var i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);var r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<4&&(r=4);var s=e.tubeSegments||24;s<0&&(console.error("negative tubeSegments not allowed - will invert"),s*=-1),s<4&&(s=4);var n=e.arc||2*Math.PI;n<0&&(console.warn("negative arc not allowed - will invert"),n*=-1),n>360&&(n=360);var 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r.name=Bo.bin.rASCII0(e,s),s+=r.name.length+1,r.hierarchy=Bo.bin.rsl(e,s+4),r},Bo.parse.from3DS._edit_object=function(e,t,i){var r={},s=t+6;for(r.name=Bo.bin.rASCII0(e,s),s+=r.name.length+1;s<t+i;){var n=Bo.bin.rsl(e,s),o=Bo.bin.ril(e,s+2);16640==n&&(r.mesh=Bo.parse.from3DS._obj_trimesh(e,s,o)),s+=o}return r},Bo.parse.from3DS._obj_trimesh=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=Bo.bin.rsl(e,s),o=Bo.bin.ril(e,s+2);16656==n&&(r.vertices=Bo.parse.from3DS._tri_vertexl(e,s,o)),16672==n&&(r.indices=Bo.parse.from3DS._tri_facel1(e,s,o)),16704==n&&(r.uvt=Bo.parse.from3DS._tri_mappingcoors(e,s,o)),16736==n&&(r.local=Bo.parse.from3DS._tri_local(e,s,o)),s+=o}return r},Bo.parse.from3DS._tri_vertexl=function(e,t,i){var r=[],s=t+6,n=Bo.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(Bo.bin.rf(e,s)),r.push(Bo.bin.rf(e,s+4)),r.push(Bo.bin.rf(e,s+8)),s+=12;return r},Bo.parse.from3DS._tri_facel1=function(e,t,i){var r=[],s=t+6,n=Bo.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(Bo.bin.rsl(e,s)),r.push(Bo.bin.rsl(e,s+2)),r.push(Bo.bin.rsl(e,s+4)),s+=8;return r},Bo.parse.from3DS._tri_mappingcoors=function(e,t,i){var r=[],s=t+6,n=Bo.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(Bo.bin.rf(e,s)),r.push(1-Bo.bin.rf(e,s+4)),s+=8;return r},Bo.parse.from3DS._tri_local=function(e,t,i){var r={},s=t+6;return r.X=[Bo.bin.rf(e,s),Bo.bin.rf(e,s+4),Bo.bin.rf(e,s+8)],s+=12,r.Y=[Bo.bin.rf(e,s),Bo.bin.rf(e,s+4),Bo.bin.rf(e,s+8)],s+=12,r.Z=[Bo.bin.rf(e,s),Bo.bin.rf(e,s+4),Bo.bin.rf(e,s+8)],s+=12,r.C=[Bo.bin.rf(e,s),Bo.bin.rf(e,s+4),Bo.bin.rf(e,s+8)],s+=12,r},Bo.parse.fromBIV=function(e){e=new Uint8Array(e);var t={},i={};return i.id=Bo.bin.ril(e,0),i.verS=Bo.bin.ril(e,4),i.texS=Bo.bin.ril(e,8),i.indS=Bo.bin.ril(e,12),i.verO=Bo.bin.ril(e,16),i.verL=Bo.bin.ril(e,20),i.texO=Bo.bin.ril(e,24),i.texL=Bo.bin.ril(e,28),i.indO=Bo.bin.ril(e,32),i.indL=Bo.bin.ril(e,36),0!=i.verO&&(t.vertices=Bo.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=Bo.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=Bo.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},Bo.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var r=32;t<=65535&&(r=16);var s=40;e.vertices&&(s+=4*e.vertices.length),e.uvt&&(s+=4*e.uvt.length),e.indices&&(s+=e.indices.length*r/8);var n=new Uint8Array(s);Bo.bin.wil(n,0,1769365870),Bo.bin.wil(n,4,32),Bo.bin.wil(n,8,32),Bo.bin.wil(n,12,r);var o=40;return e.vertices&&(Bo.bin.wil(n,16,o),Bo.bin.wil(n,20,4*e.vertices.length),Bo.parse.fromBIV._writeFloats(n,o,e.vertices),o+=4*e.vertices.length),e.uvt&&(Bo.bin.wil(n,24,o),Bo.bin.wil(n,28,4*e.uvt.length),Bo.parse.fromBIV._writeFloats(n,o,e.uvt),o+=4*e.uvt.length),e.indices&&(Bo.bin.wil(n,32,o),Bo.bin.wil(n,36,4*e.indices.length),Bo.parse.fromBIV._writeInts(n,o,e.indices,r)),n.buffer},Bo.parse.fromBIV._readFloats=function(e,t,i){for(var r=[],s=0;s<i/4;s++)r.push(Bo.bin.rf(e,t+4*s));return r},Bo.parse.fromBIV._writeFloats=function(e,t,i){for(var r=0;r<i.length;r++)Bo.bin.wf(e,t+4*r,i[r])},Bo.parse.fromBIV._readInts=function(e,t,i,r){for(var s=[],n=0;n<i/4;n++)16==r&&s.push(Bo.bin.rsl(e,t+2*n)),32==r&&s.push(Bo.bin.ril(e,t+4*n));return s},Bo.parse.fromBIV._writeInts=function(e,t,i,r){for(var s=0;s<i.length;s++)16==r&&Bo.bin.wsl(e,t+2*s,i[s]),32==r&&Bo.bin.wil(e,t+4*s,i[s])},Bo.gen={},Bo.gen.Plane=function(e,t,i,r){i||(i=1),r||(r=1);for(var s={verts:[],inds:[],uvt:[]},n=e+1,o=t+1,a=0;a<o;a++)for(var l=0;l<n;l++){var u=l*(2/e)-1,c=a*(2/t)-1;s.verts.push(u,c,0),s.uvt.push(i*l/e,r*a/t),a<t&&l<e&&s.inds.push(a*n+l,a*n+l+1,(a+1)*n+l,a*n+l+1,(a+1)*n+l,(a+1)*n+l+1)}return s},Bo.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},Bo.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},r=e+1,s=t+1,n=0;n<s;n++)for(var o=0;o<r;o++){var a=-Math.PI/2+n*Math.PI/t,l=2*o*Math.PI/e,u=Math.cos(a)*Math.cos(l),c=Math.sin(a),A=Math.cos(a)*Math.sin(l);i.verts.push(u,c,A),i.uvt.push(o/e,n/t),n<t&&o<e&&i.inds.push(r*n+o,r*n+o+1,r*(n+1)+o,r*n+o+1,r*(n+1)+o,r*(n+1)+o+1)}return i},Bo.mat={},Bo.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},Bo.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},Bo.mat.rotateDeg=function(e,t,i){var r=Math.PI/180;return Bo.mat.rotate(e*r,t*r,i*r)},Bo.mat.rotate=function(e,t,i){var r=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],s=e,n=t,o=i,a=Math.cos(s),l=Math.cos(n),u=Math.cos(o),c=Math.sin(s),A=Math.sin(n),h=Math.sin(o);return r[0]=l*u,r[1]=-l*h,r[2]=A,r[4]=a*h+c*A*u,r[5]=a*u-c*A*h,r[6]=-c*l,r[8]=c*h-a*A*u,r[9]=c*u+a*A*h,r[10]=a*l,r},Bo.edit={},Bo.edit.interpolate=function(e,t,i,r){for(var s=0;s<e.length;s++)i[s]=e[s]+r*(t[s]-e[s])},Bo.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var r=e[i],s=e[i+1],n=e[i+2];e[i+0]=t[0]*r+t[4]*s+t[8]*n+t[12],e[i+1]=t[1]*r+t[5]*s+t[9]*n+t[13],e[i+2]=t[2]*r+t[6]*s+t[10]*n+t[14]}},Bo.edit.unwrap=function(e,t,i){for(var r=new Array(Math.floor(e.length/3)*i),s=0;s<e.length;s++)for(var n=0;n<i;n++)r[s*i+n]=t[e[s]*i+n];return r},Bo.edit.remap=function(e,t,i,r){for(var s=new Array(i.length),n=0;n<e.length;n++)for(var o=0;o<r;o++)s[t[n]*r+o]=i[e[n]*r+o];return s},Bo.utils={},Bo.utils.getAABB=function(e){var t,i,r,s,n,o;s=n=o=-(t=i=r=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],u=e[a+1],c=e[a+2];l<t&&(t=l),l>s&&(s=l),u<i&&(i=u),u>n&&(n=u),c<r&&(r=c),u>o&&(o=c)}return{min:{x:t,y:i,z:r},max:{x:s,y:n,z:o}}};var So=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._type=s.type||(s.src?s.src.split(".").pop():null)||"jpg",r._pos=re.vec3(s.pos||[0,0,0]),r._up=re.vec3(s.up||[0,1,0]),r._normal=re.vec3(s.normal||[0,0,1]),r._height=s.height||1,r._origin=re.vec3(),r._rtcPos=re.vec3(),r._imageSize=re.vec2(),r._texture=new go(b(r),{flipY:!0}),r._image=new Image,"jpg"!==r._type&&"png"!==r._type&&(r.error('Unsupported type - defaulting to "jpg"'),r._type="jpg"),r._node=new eo(b(r),{matrix:re.inverseMat4(re.lookAtMat4v(r._pos,re.subVec3(r._pos,r._normal,re.mat4()),r._up,re.mat4())),children:[r._bitmapMesh=new Un(b(r),{scale:[1,1,1],rotation:[-90,0,0],collidable:s.collidable,pickable:s.pickable,opacity:s.opacity,clippable:s.clippable,geometry:new hr(b(r),Eo({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new gr(b(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0})})]}),s.image?r.image=s.image:s.src?r.src=s.src:s.imageData&&(r.imageData=s.imageData),r.scene._bitmapCreated(b(r)),r}return C(i,[{key:"visible",get:function(){return this._bitmapMesh.visible},set:function(e){this._bitmapMesh.visible=e}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}},{key:"src",get:function(){return this._image.src},set:function(e){var t=this;if(e)switch(this._image.onload=function(){t._texture.image=t._image,t._imageSize[0]=t._image.width,t._imageSize[1]=t._image.height,t._updateBitmapMeshScale()},this._image.src=e,e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}},{key:"imageData",get:function(){var e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")},set:function(e){var t=this;this._image.onload=function(){t._texture.image=image,t._imageSize[0]=image.width,t._imageSize[1]=image.height,t._updateBitmapMeshScale()},this._image.src=e}},{key:"type",get:function(){return this._type},set:function(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}},{key:"pos",get:function(){return this._pos}},{key:"normal",get:function(){return this._normal}},{key:"up",get:function(){return this._up}},{key:"height",get:function(){return this._height},set:function(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}},{key:"collidable",get:function(){return this._bitmapMesh.collidable},set:function(e){this._bitmapMesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._bitmapMesh.clippable},set:function(e){this._bitmapMesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._bitmapMesh.pickable},set:function(e){this._bitmapMesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._bitmapMesh.opacity},set:function(e){this._bitmapMesh.opacity=e}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this.scene._bitmapDestroyed(this)}},{key:"_updateBitmapMeshScale",value:function(){var e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}]),i}(),To=function(e,t){var i=[],r=[];function s(e,i){for(var r,s,n=0;n<3;n++)if((r=t[3*e+n])!==(s=t[3*i+n]))return s-r;return 0}for(var n=e.slice().sort(s),o=null,a=0,l=n.length;a<l;a++)0!==a&&0===s(n[a],n[a-1])||(o=n[a]),i[n[a]]=o;for(var u=0,c=e.length;u<c;u+=3){var A=i[e[u]],h=i[e[u+1]],d=i[e[u+2]],p=A,f=h,v=d;if(A>h&&A>d?h>d?(p=A,f=h,v=d):(p=A,f=d,v=h):h>A&&h>d?A>d?(p=h,f=A,v=d):(p=h,f=d,v=A):d>A&&d>h&&(A>h?(p=d,f=A,v=h):(p=d,f=h,v=A)),r[u+0]=[p,f],r[u+1]=[f,v],p>v){var g=v;v=p,p=g}r[u+2]=[v,p]}function m(e,t){for(var i,r,s=0;s<2;s++)if(i=e[s],(r=t[s])!==i)return r-i;return 0}(r=r.slice(0,e.length)).sort(m);for(var _=0,y=0;y<r.length;y++)if(0===y||0!==m(r[y],r[y-1])){if(0!==y&&2!==_)return!1;_=1}else _++;return!(r.length>0&&2!==_)},Ro=re.vec3(),Lo=re.vec3(),Uo=re.vec3(),Oo=function(){function e(){P(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}},{key:"setPrimitive",value:function(e){this.primitive=e}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"volume",get:function(){var e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!To(t,e))return-1;for(var i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];Ro[0]=e[s],Ro[1]=e[s+1],Ro[2]=e[s+2],Lo[0]=e[n],Lo[1]=e[n+1],Lo[2]=e[n+2],Uo[0]=e[o],Uo[1]=e[o+1],Uo[2]=e[o+2],re.cross3Vec3(Ro,Lo,Ro),i+=re.dotVec3(Ro,Uo)}return i/6}}]),e}(),No=new Oo,Qo=re.vec3(),Vo=re.vec3(),Ho=re.vec3(),jo=re.vec3(),Go=re.vec3(),zo=re.vec3(),Ko=function(){function e(){P(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"surfaceArea",get:function(){for(var e=this.vertices,t=this.indices,i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];Qo[0]=e[s],Qo[1]=e[s+1],Qo[2]=e[s+2],Vo[0]=e[n],Vo[1]=e[n+1],Vo[2]=e[n+2],Ho[0]=e[o],Ho[1]=e[o+1],Ho[2]=e[o+2],re.subVec3(Qo,Vo,jo),re.subVec3(Ho,Vo,Go),i+=.5*re.lenVec3(re.cross3Vec3(jo,Go,zo))}return i}}]),e}(),Wo=new Ko,Xo=re.OBB3(),Jo=re.OBB3(),Yo=re.OBB3(),Zo=function(){function e(t,i,r,s,n,o){var a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:null,l=arguments.length>7&&void 0!==arguments[7]?arguments[7]:0;P(this,e),this.model=t,this.object=null,this.parent=null,this.transform=n,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=i,this.obb=null,this._aabbLocal=null,this._aabbWorld=re.AABB3(),this._aabbWorldDirty=!1,this.layer=a,this.portionId=l,this._color=new Uint8Array([r[0],r[1],r[2],s]),this._colorize=new Uint8Array([r[0],r[1],r[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,n&&n._addMesh(this),this._volume=null,this._surfaceArea=null}return C(e,[{key:"_sceneModelDirty",value:function(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}},{key:"_updateMatrix",value:function(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}},{key:"_finalize",value:function(e){this.layer.initFlags(this.portionId,e,this._transparent)}},{key:"_finalize2",value:function(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}},{key:"_setVisible",value:function(e){this.layer.setVisible(this.portionId,e,this._transparent)}},{key:"_setColor",value:function(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}},{key:"_setColorize",value:function(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}},{key:"_setOpacity",value:function(e,t){var i=e<255,r=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),r&&this.layer.setTransparent(this.portionId,t,i)}},{key:"_setOffset",value:function(e){this.layer.setOffset(this.portionId,e)}},{key:"_setHighlighted",value:function(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}},{key:"_setXRayed",value:function(e){this.layer.setXRayed(this.portionId,e,this._transparent)}},{key:"_setSelected",value:function(e){this.layer.setSelected(this.portionId,e,this._transparent)}},{key:"_setEdges",value:function(e){this.layer.setEdges(this.portionId,e,this._transparent)}},{key:"_setClippable",value:function(e){this.layer.setClippable(this.portionId,e,this._transparent)}},{key:"_setCollidable",value:function(e){this.layer.setCollidable(this.portionId,e)}},{key:"_setPickable",value:function(e){this.layer.setPickable(this.portionId,e,this._transparent)}},{key:"_setCulled",value:function(e){this.layer.setCulled(this.portionId,e,this._transparent)}},{key:"canPickTriangle",value:function(){return!1}},{key:"drawPickTriangles",value:function(e,t){}},{key:"pickTriangleSurface",value:function(e){}},{key:"precisionRayPickSurface",value:function(e,t,i,r){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,r)}},{key:"canPickWorldPos",value:function(){return!0}},{key:"drawPickDepths",value:function(e){this.model.drawPickDepths(e)}},{key:"drawPickNormals",value:function(e){this.model.drawPickNormals(e)}},{key:"delegatePickedEntity",value:function(){return this.parent}},{key:"getEachVertex",value:function(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}},{key:"getEachIndex",value:function(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}},{key:"volume",get:function(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":No.reset(),No.setPrimitive(this.layer.primitive),this.getEachVertex((function(e){No.addVertex(e)})),this.getEachIndex((function(e){No.addIndex(e)})),this._volume=No.volume;break;default:this._volume=0}return this._volume}},{key:"surfaceArea",get:function(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Wo.reset(),this.getEachVertex((function(e){Wo.addVertex(e)})),this.getEachIndex((function(e){Wo.addIndex(e)})),this._surfaceArea=Wo.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}},{key:"aabb",get:function(){return this._aabbWorldDirty&&(re.AABB3ToOBB3(this._aabbLocal,Xo),this.transform?(re.transformOBB3(this.transform.worldMatrix,Xo,Jo),re.transformOBB3(this.model.worldMatrix,Jo,Yo),re.OBB3ToAABB3(Yo,this._aabbWorld)):(re.transformOBB3(this.model.worldMatrix,Xo,Jo),re.OBB3ToAABB3(Jo,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld},set:function(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);var t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}},{key:"_destroy",value:function(){this.model.scene._renderer.putPickID(this.pickId)}}]),e}(),qo=new(function(){function e(){P(this,e),this._uint8Arrays={},this._float32Arrays={}}return C(e,[{key:"_clear",value:function(){this._uint8Arrays={},this._float32Arrays={}}},{key:"getUInt8Array",value:function(e){var t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}},{key:"getFloat32Array",value:function(e){var t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}}]),e}()),$o=0;function ea(){return $o++,qo}var ta={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},ia=new Float32Array([1,1,1,1]),ra=new Float32Array([0,0,0,1]),sa=re.vec4(),na=re.vec3(),oa=re.vec3(),aa=re.mat4(),la=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},s=r.instancing,n=void 0!==s&&s,o=r.edges,a=void 0!==o&&o,l=r.useAlphaCutoff,u=void 0!==l&&l;P(this,e),this._scene=t,this._withSAO=i,this._instancing=n,this._edges=a,this._useAlphaCutoff=u,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}return C(e,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){return[""]}},{key:"_buildFragmentShader",value:function(){return[""]}},{key:"_addMatricesUniformBlockLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}},{key:"_addRemapClipPosLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(".concat(t,"));")),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}},{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"setSectionPlanesStateUniforms",value:function(e){var t=this._scene,i=t.canvas.gl,r=e.model,s=e.layerIndex,n=t._sectionPlanesState.getNumAllocatedSectionPlanes(),o=t._sectionPlanesState.sectionPlanes.length;if(n>0){var a=t._sectionPlanesState.sectionPlanes,l=s*o,u=r.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(var c=0;c<n;c++){var A=this._uSectionPlanes[c];if(A)if(c<o){var h=u.sectionPlanesActivePerLayer[l+c];if(i.uniform1i(A.active,h?1:0),h){var d=a[c],p=e._state.origin;if(p){var f=Je(d.dist,d.dir,p,na,r.matrix);i.uniform3fv(A.pos,f)}else i.uniform3fv(A.pos,d.pos);i.uniform3fv(A.dir,d.dir)}}else i.uniform1i(A.active,0)}}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uColor=r.getLocation("color"),this._uColor||(this._uColor=r.getLocation("silhouetteColor")),this._uUVDecodeMatrix=r.getLocation("uvDecodeMatrix"),this._uPickInvisible=r.getLocation("pickInvisible"),this._uGammaFactor=r.getLocation("gammaFactor"),t.uniformBlockBinding(r.handle,t.getUniformBlockIndex(r.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=r.getLocation("zFar")),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._aPosition=r.getAttribute("position"),this._aOffset=r.getAttribute("offset"),this._aNormal=r.getAttribute("normal"),this._aUV=r.getAttribute("uv"),this._aColor=r.getAttribute("color"),this._aMetallicRoughness=r.getAttribute("metallicRoughness"),this._aFlags=r.getAttribute("flags"),this._aPickColor=r.getAttribute("pickColor"),this._uPickZNear=r.getLocation("pickZNear"),this._uPickZFar=r.getLocation("pickZFar"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uDrawingBufferSize=r.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=r.getAttribute("modelMatrix"),this._aModelMatrixCol0=r.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=r.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=r.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=r.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=r.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=r.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=r.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=r.getLocation("intensityRange")),this._uPointSize=r.getLocation("pointSize"),this._uNearPlaneHeight=r.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=r.getLocation("sliceColor"),this._uSliceThickness=r.getLocation("sliceThickness"))}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState,n=s.lights;r.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,s.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(var o=0,a=n.length;o<a;o++){var l=n[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}}},{key:"_makeVAO",value:function(e){var t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges&&e.edgeIndicesBuf?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}},{key:"drawLayer",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},s=r.colorUniform,n=void 0!==s&&s,o=r.incrementDrawState,a=void 0!==o&&o,l=qt.MAX_TEXTURE_IMAGE_UNITS,u=this._scene,c=u.canvas.gl,A=t._state,h=t.model,d=A.textureSet,p=A.origin,f=A.positionsDecodeMatrix,v=u._lightsState,g=u.pointsMaterial,m=h.scene.camera,_=m.viewNormalMatrix,y=m.project,b=e.pickViewMatrix||m.viewMatrix,B=h.position,w=h.rotationMatrix,P=h.worldNormalMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?c.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(A));var x=0,C=16;this._matricesUniformBlockBufferData.set(w,0);var M=0!==p[0]||0!==p[1]||0!==p[2],E=0!==B[0]||0!==B[1]||0!==B[2];if(M||E){var F=na;if(M){var k=re.transformPoint3(w,p,oa);F[0]=k[0],F[1]=k[1],F[2]=k[2]}else F[0]=0,F[1]=0,F[2]=0;F[0]+=B[0],F[1]+=B[1],F[2]+=B[2],this._matricesUniformBlockBufferData.set(ze(b,F,aa),x+=C)}else this._matricesUniformBlockBufferData.set(b,x+=C);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||y.matrix,x+=C),this._matricesUniformBlockBufferData.set(f,x+=C),this._matricesUniformBlockBufferData.set(P,x+=C),this._matricesUniformBlockBufferData.set(_,x+=C),c.bindBuffer(c.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),c.bufferData(c.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,c.DYNAMIC_DRAW),c.bindBufferBase(c.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),c.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),u.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){var I=2/(Math.log(e.pickZFar+1)/Math.LN2);c.uniform1f(this._uLogDepthBufFC,I)}this._uZFar&&c.uniform1f(this._uZFar,u.camera.project.far)}if(this._uPickInvisible&&c.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&c.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&c.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&c.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&c.uniform2f(this._uDrawingBufferSize,c.drawingBufferWidth,c.drawingBufferHeight),this._uUVDecodeMatrix&&c.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._uIntensityRange&&g.filterIntensity&&c.uniform2f(this._uIntensityRange,g.minIntensity,g.maxIntensity),this._uPointSize&&c.uniform1f(this._uPointSize,g.pointSize),this._uNearPlaneHeight){var D="ortho"===u.camera.projection?1:c.drawingBufferHeight/(2*Math.tan(.5*u.camera.perspective.fov*Math.PI/180));c.uniform1f(this._uNearPlaneHeight,D)}if(d){var S=d.colorTexture,T=d.metallicRoughnessTexture,R=d.emissiveTexture,L=d.normalsTexture,U=d.occlusionTexture;this._uColorMap&&S&&(this._program.bindTexture(this._uColorMap,S.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uMetallicRoughMap&&T&&(this._program.bindTexture(this._uMetallicRoughMap,T.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uEmissiveMap&&R&&(this._program.bindTexture(this._uEmissiveMap,R.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uNormalMap&&L&&(this._program.bindTexture(this._uNormalMap,L.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uAOMap&&U&&(this._program.bindTexture(this._uAOMap,U.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l)}if(v.reflectionMaps.length>0&&v.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,v.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),v.lightMaps.length>0&&v.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,v.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),this._withSAO){var O=u.sao,N=O.possible;if(N){var Q=c.drawingBufferWidth,V=c.drawingBufferHeight;sa[0]=Q,sa[1]=V,sa[2]=O.blendCutoff,sa[3]=O.blendFactor,c.uniform4fv(this._uSAOParams,sa),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++}}if(this._useAlphaCutoff&&c.uniform1f(this._alphaCutoffLocation,d.alphaCutoff),n){var H=this._edges?"edgeColor":"fillColor",j=this._edges?"edgeAlpha":"fillAlpha";if(i===ta["".concat(this._edges?"EDGES":"SILHOUETTE","_XRAYED")]){var G=u.xrayMaterial._state,z=G[H],K=G[j];c.uniform4f(this._uColor,z[0],z[1],z[2],K)}else if(i===ta["".concat(this._edges?"EDGES":"SILHOUETTE","_HIGHLIGHTED")]){var W=u.highlightMaterial._state,X=W[H],J=W[j];c.uniform4f(this._uColor,X[0],X[1],X[2],J)}else if(i===ta["".concat(this._edges?"EDGES":"SILHOUETTE","_SELECTED")]){var Y=u.selectedMaterial._state,Z=Y[H],q=Y[j];c.uniform4f(this._uColor,Z[0],Z[1],Z[2],q)}else c.uniform4fv(this._uColor,this._edges?ra:ia)}this._draw({state:A,frameCtx:e,incrementDrawState:a}),c.bindVertexArray(null)}}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null,ae.memory.programs--}}]),e}(),ua=function(e){g(i,la);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return P(this,i),t.call(this,e,r,{instancing:!1,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;if(this._edges)i.edgeIndicesBuf&&t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{var n=r.pickElementsCount||i.indicesBuf.numItems,o=r.pickElementsOffset?r.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,n,i.indicesBuf.itemType,o),s&&r.drawElements++}}}]),i}(),ca=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Triangles batching draw vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in float flags;"),t.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),s&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),t.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):r.push("   outColor            = newColor;"),r.push("}"),r}}]),i}(),Aa=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._lightsState,i=e._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching flat-shading draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),r){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var n=0,o=i.getNumAllocatedSectionPlanes();n<o;n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(s),s.push("uniform vec4 lightAmbient;");for(var a=0,l=t.lights.length;a<l;a++){var u=t.lights[a];"ambient"!==u.type&&(s.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&s.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&s.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(s.push("uniform vec3 lightPos"+a+";"),s.push("uniform vec3 lightDir"+a+";")))}if(s.push("in vec4 vViewPosition;"),s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),r){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)s.push("if (sectionPlaneActive"+c+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+c+".xyz, vWorldPosition.xyz - sectionPlanePos"+c+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}s.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),s.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),s.push("float lambertian = 1.0;"),s.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),s.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),s.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var h=0,d=t.lights.length;h<d;h++){var p=t.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);");else if("point"===p.type)"view"===p.space?s.push("viewLightDir = -normalize(lightPos"+h+" - viewPosition.xyz);"):s.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+h+", 0.0)).xyz);");else{if("spot"!==p.type)continue;"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);")}s.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),s.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}return s.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):s.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}]),i}(),ha=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching silhouette fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),s){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(var o=0,a=r.getNumAllocatedSectionPlanes();o<a;o++)n.push("if (sectionPlaneActive"+o+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = newColor;"),n.push("}"),n}}]),i}(),da=function(e){g(i,ua);var t=_(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!1,edges:!0})}return C(i)}(),pa=function(e){g(i,da);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),fa=function(e){g(i,da);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),va=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),ga=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),ma=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),_a=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),ya=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching depth fragment shader"),r.push("precision highp float;"),r.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec2 vHighPrecisionZW;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),r.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),r.push("}"),r}}]),i}(),ba=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),Ba=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}]),i}(),wa=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Triangles batching quality draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),n.push("vFragDepth = 1.0 + clipPos.w;")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Triangles batching quality draw fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),o.push("uniform sampler2D uAOMap;"),o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)o.push("uniform bool sectionPlaneActive"+c+";"),o.push("uniform vec3 sectionPlanePos"+c+";"),o.push("uniform vec3 sectionPlaneDir"+c+";")}if(o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),o.push("              return surf_norm;"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3  diffuseColor;"),o.push("   float specularRoughness;"),o.push("   vec3  specularColor;"),o.push("   float shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("float aoFactor = texture(uAOMap, vUV).r;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Pa=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick flat normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),xa=function(e){g(i,ua);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching color texture fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Ca=re.vec3(),Ma=re.vec3(),Ea=re.vec3(),Fa=re.vec3(),ka=re.mat4(),Ia=function(e){g(i,la);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Ca;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Ma;if(l){var g=Ea;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,ka),(p=Fa)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Da=re.vec3(),Sa=re.vec3(),Ta=re.vec3(),Ra=re.vec3(),La=re.mat4(),Ua=function(e){g(i,la);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Da;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Sa;if(l){var g=Ta;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,La),(p=Ra)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),o.drawElements(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Oa=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new ha(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new va(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new ga(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Ia(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ua(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new ca(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new ca(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new Aa(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Aa(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new xa(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new xa(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new xa(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new xa(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new wa(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new wa(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ha(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new ya(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new ba(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new pa(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new fa(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new va(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new ma(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Pa(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ga(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new _a(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new Ba(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Ua(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Ia(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Na={};var Qa=65536,Va=5e6,Ha=function(){function e(){P(this,e)}return C(e,[{key:"doublePrecisionEnabled",get:function(){return re.getDoublePrecisionEnabled()},set:function(e){re.setDoublePrecisionEnabled(e)}},{key:"maxDataTextureHeight",get:function(){return Qa},set:function(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Qa=e}},{key:"maxGeometryBatchSize",get:function(){return Va},set:function(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Va=e}}]),e}(),ja=new Ha,Ga=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:ja.maxGeometryBatchSize;P(this,e),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]})),za=re.mat4(),Ka=re.mat4();function Wa(e,t,i){for(var r=e.length,s=new Uint16Array(r),n=t[0],o=t[1],a=t[2],l=t[3]-n,u=t[4]-o,c=t[5]-a,A=65525,h=A/l,d=A/u,p=A/c,f=function(e){return e>=0?e:0},v=0;v<r;v+=3)s[v+0]=Math.floor(f(e[v+0]-n)*h),s[v+1]=Math.floor(f(e[v+1]-o)*d),s[v+2]=Math.floor(f(e[v+2]-a)*p);return re.identityMat4(za),re.translationMat4v(t,za),re.identityMat4(Ka),re.scalingMat4v([l/A,u/A,c/A],Ka),re.mulMat4(za,Ka,i),s}function Xa(e,t){var i=e[0],r=e[1],s=e[2],n=e[3]-i,o=e[4]-r,a=e[5]-s,l=65525;return re.identityMat4(za),re.translationMat4v(e,za),re.identityMat4(Ka),re.scalingMat4v([n/l,o/l,a/l],Ka),re.mulMat4(za,Ka,t),t}function Ja(e,t,i){var r=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),s=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){var n,o;n=(1-Math.abs(s))*(r>=0?1:-1),o=(1-Math.abs(r))*(s>=0?1:-1),r=n,s=o}return new Int8Array([Math[t](127.5*r+(r<0?-1:0)),Math[i](127.5*s+(s<0?-1:0))])}function Ya(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}var Za=re.mat4(),qa=re.mat4(),$a=re.vec4([0,0,0,1]),el=re.vec3(),tl=re.vec3(),il=re.vec3(),rl=re.vec3(),sl=re.vec3(),nl=re.vec3(),ol=re.vec3(),al=function(){function e(t){P(this,e),this.model=t.model,this.sortId="TrianglesBatchingLayer"+(t.solid?"-solid":"-surface")+(t.autoNormals?"-autonormals":"-normals")+(t.textureSet&&t.textureSet.colorTexture?"-colorTexture":"")+(t.textureSet&&t.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=Na[t];return i||(i=new Oa(e),Na[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete Na[t],i._destroy()}))),i}(t.model.scene),this._buffer=new Ga(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new ki({origin:re.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:t.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)),t.uvDecodeMatrix?(this._state.uvDecodeMatrix=re.mat3(t.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,t.origin&&this._state.origin.set(t.origin),this.solid=!!t.solid,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.normals,o=t.normalsCompressed,a=t.uv,l=t.uvCompressed,u=t.colors,c=t.colorsCompressed,A=t.indices,h=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,v=t.opacity,g=t.meshMatrix,m=t.pickColor,_=this.model.scene,y=this._buffer,b=y.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var B=0,w=s.length;B<w;B++)y.positions.push(s[B])}else{if(!r)throw"positions expected";i=r.length/3;for(var P=0,x=r.length;P<x;P++)y.positions.push(r[P])}if(o&&o.length>0)for(var C=0,M=o.length;C<M;C++)y.normals.push(o[C]);else if(n&&n.length>0){var E=Za;g?re.inverseMat4(re.transposeMat4(g,qa),E):re.identityMat4(E,E),function(e,t,i,r,s){function n(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}var o,a,l,u,c,A=new Float32Array([0,0,0,0]),h=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)A[0]=t[c],A[1]=t[c+1],A[2]=t[c+2],re.transformVec3(e,A,h),re.normalizeVec3(h,h),a=o=Ja(h,"floor","floor"),l=u=n(h,Ya(o)),(l=n(h,Ya(o=Ja(h,"ceil","floor"))))>u&&(a=o,u=l),(l=n(h,Ya(o=Ja(h,"floor","ceil"))))>u&&(a=o,u=l),(l=n(h,Ya(o=Ja(h,"ceil","ceil"))))>u&&(a=o,u=l),r[s+c+0]=a[0],r[s+c+1]=a[1],r[s+c+2]=0}(E,n,n.length,y.normals,y.normals.length)}if(u)for(var F=0,k=u.length;F<k;F+=3)y.colors.push(255*u[F]),y.colors.push(255*u[F+1]),y.colors.push(255*u[F+2]),y.colors.push(255);else if(c)for(var I=0,D=u.length;I<D;I+=3)y.colors.push(u[I]),y.colors.push(u[I+1]),y.colors.push(u[I+2]),y.colors.push(255);else if(d)for(var S=d[0],T=d[1],R=d[2],L=v,U=0;U<i;U++)y.colors.push(S),y.colors.push(T),y.colors.push(R),y.colors.push(L);for(var O=null!=p?p:0,N=null!=f?f:255,Q=0;Q<i;Q++)y.metallicRoughness.push(O),y.metallicRoughness.push(N);if(a&&a.length>0)for(var V=0,H=a.length;V<H;V++)y.uv.push(a[V]);else if(l&&l.length>0)for(var j=0,G=l.length;j<G;j++)y.uv.push(l[j]);for(var z=0,K=A.length;z<K;z++)y.indices.push(b+A[z]);if(h)for(var W=0,X=h.length;W<X;W++)y.edgeIndices.push(b+h[W]);for(var J=y.pickColors.length,Y=J,Z=J+4*i;Y<Z;Y+=4)y.pickColors.push(m[0]),y.pickColors.push(m[1]),y.pickColors.push(m[2]),y.pickColors.push(m[3]);if(_.entityOffsetsEnabled)for(var q=0;q<i;q++)y.offsets.push(0),y.offsets.push(0),y.offsets.push(0);var $=this._portions.length,ee={vertsBaseIndex:b,numVerts:i,indicesBaseIndex:y.indices.length-A.length,numIndices:A.length};return _.readableGeometryEnabled&&(ee.indices=A,_.entityOffsetsEnabled&&(ee.offset=new Float32Array(3))),this._portions.push(ee),this._numPortions++,this.model.numPortions++,this._numVerts+=ee.numVerts,this._meshes.push(e),$}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){var r=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Wa(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=re.mat4());if(e.positionsBuf=new ui(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(var s=0,n=this._portions.length;s<n;s++){var o=this._portions[s],a=3*o.vertsBaseIndex,l=a+3*o.numVerts;o.quantizedPositions=r.slice(a,l)}}if(i.normals.length>0){var u=new Int8Array(i.normals);e.normalsBuf=new ui(t,t.ARRAY_BUFFER,u,i.normals.length,3,t.STATIC_DRAW,!0)}if(i.colors.length>0){var c=new Uint8Array(i.colors);e.colorsBuf=new ui(t,t.ARRAY_BUFFER,c,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.uv.length>0)if(e.uvDecodeMatrix){e.uvBuf=new ui(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,!1)}else{var A=ur.getUVBounds(i.uv),h=ur.compressUVs(i.uv,A.min,A.max),d=h.quantized;e.uvDecodeMatrix=re.mat3(h.decodeMatrix),e.uvBuf=new ui(t,t.ARRAY_BUFFER,d,d.length,2,t.STATIC_DRAW,!1)}if(i.metallicRoughness.length>0){var p=new Uint8Array(i.metallicRoughness);e.metallicRoughnessBuf=new ui(t,t.ARRAY_BUFFER,p,i.metallicRoughness.length,2,t.STATIC_DRAW,!1)}if(i.positions.length>0){var f=i.positions.length/3,v=new Float32Array(f);e.flagsBuf=new ui(t,t.ARRAY_BUFFER,v,v.length,1,t.DYNAMIC_DRAW,!1)}if(i.pickColors.length>0){var g=new Uint8Array(i.pickColors);e.pickColorsBuf=new ui(t,t.ARRAY_BUFFER,g,i.pickColors.length,4,t.STATIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var m=new Float32Array(i.offsets);e.offsetsBuf=new ui(t,t.ARRAY_BUFFER,m,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var _=new Uint32Array(i.indices);e.indicesBuf=new ui(t,t.ELEMENT_ARRAY_BUFFER,_,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){var y=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new ui(t,t.ELEMENT_ARRAY_BUFFER,y,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}}},{key:"isEmpty",value:function(){return!this._state.indicesBuf}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=e,r=this._portions[i],s=4*r.vertsBaseIndex,n=4*r.numVerts,o=this._scratchMemory.getUInt8Array(n),a=t[0],l=t[1],u=t[2],c=t[3],A=0;A<n;A+=4)o[A+0]=a,o[A+1]=l,o[A+2]=u,o[A+3]=c;this._state.colorsBuf&&this._state.colorsBuf.setData(o,s,n)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=e,a=this._portions[o],l=a.vertsBaseIndex,u=a.numVerts,c=l,A=u,h=!!(t&Ye),d=!!(t&tt),p=!!(t&it),f=!!(t&rt),v=!!(t&st),g=!!(t&qe),m=!!(t&Ze);s=!h||m||d||p&&!this.model.scene.highlightMaterial.glowThrough||f&&!this.model.scene.selectedMaterial.glowThrough?ta.NOT_RENDERED:i?ta.COLOR_TRANSPARENT:ta.COLOR_OPAQUE,n=!h||m?ta.NOT_RENDERED:f?ta.SILHOUETTE_SELECTED:p?ta.SILHOUETTE_HIGHLIGHTED:d?ta.SILHOUETTE_XRAYED:ta.NOT_RENDERED;var _=0;_=!h||m?ta.NOT_RENDERED:f?ta.EDGES_SELECTED:p?ta.EDGES_HIGHLIGHTED:d?ta.EDGES_XRAYED:v?i?ta.EDGES_COLOR_TRANSPARENT:ta.EDGES_COLOR_OPAQUE:ta.NOT_RENDERED;var y=h&&!m&&g?ta.PICK:ta.NOT_RENDERED,b=t&$e?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var B=c,w=c+A;B<w;B++){var P=0;P|=s,P|=n<<4,P|=_<<8,P|=y<<12,P|=b<<16,this._deferredFlagValues[B]=P}}else if(this._state.flagsBuf){for(var x=this._scratchMemory.getFloat32Array(A),C=0;C<A;C++){var M=0;M|=s,M|=n<<4,M|=_<<8,M|=y<<12,M|=b<<16,x[C]=M}this._state.flagsBuf.setData(x,c,A)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=e,r=this._portions[i],s=3*r.vertsBaseIndex,n=3*r.numVerts,o=this._scratchMemory.getFloat32Array(n),a=t[0],l=t[1],u=t[2],c=0;c<n;c+=3)o[c+0]=a,o[c+1]=l,o[c+2]=u;this._state.offsetsBuf&&this._state.offsetsBuf.setData(o,s,n),this.model.scene.readableGeometryEnabled&&(r.offset[0]=t[0],r.offset[1]=t[1],r.offset[2]=t[2])}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portions[e];if(r){var s=r.quantizedPositions,n=this.model.matrix,o=re.vec4();o.set(i.origin,0),o[3]=1,re.mulMat4v4(n,o,o);for(var a=o[0],l=o[1],u=o[2],c=$a,A=i.positionsDecodeMatrix,h=0,d=s.length;h<d;h+=3)c[0]=s[h],c[1]=s[h+1],c[2]=s[h+2],c[3]=1,re.decompressPosition(c,A),c[3]=1,re.mulMat4v4(n,c,c),c[0]+=a,c[1]+=l,c[2]+=u,t(c)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portions[e];if(i)for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}}},{key:"getElementsCountAndOffset",value:function(e){var t=null,i=null,r=this._portions[e];return r&&(t=r.numIndices,i=r.indicesBaseIndex),{count:t,offset:i}}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ta.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ta.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ta.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ta.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ta.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ta.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state,o=this._portions[e];if(!o)return this.model.error("portion not found: "+e),!1;var a=o.quantizedPositions,l=o.indices,u=n.origin,c=o.offset,A=el,h=tl;A.set(u?re.subVec3(t,u,il):t),h.set(i),c&&re.subVec3(A,c),re.transformRay(this.model.worldNormalMatrix,A,h,A,h);for(var d=rl,p=sl,f=nl,v=!1,g=0,m=ol,_=0,y=l.length;_<y;_+=3){var b=3*l[_],B=3*l[_+1],w=3*l[_+2];if(d[0]=a[b],d[1]=a[b+1],d[2]=a[b+2],p[0]=a[B],p[1]=a[B+1],p[2]=a[B+2],f[0]=a[w],f[1]=a[w+1],f[2]=a[w+2],re.decompressPosition(d,n.positionsDecodeMatrix),re.decompressPosition(p,n.positionsDecodeMatrix),re.decompressPosition(f,n.positionsDecodeMatrix),re.rayTriangleIntersect(A,h,d,p,f,m)){re.transformPoint3(this.model.worldMatrix,m,m),c&&re.addVec3(m,c),u&&re.addVec3(m,u);var P=Math.abs(re.lenVec3(re.subVec3(m,t,[])));(!v||P>g)&&(g=P,r.set(m),s&&re.triangleNormal(d,p,f,s),v=!0)}}return v&&s&&(re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),v}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}]),e}(),ll=function(e){g(i,la);var t=_(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return P(this,i),t.call(this,e,r,{instancing:!0,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;this._edges?i.edgeIndicesBuf&&t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++)}}]),i}(),ul=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t,i,r=this._scene,s=r._sectionPlanesState,n=r._lightsState,o=s.getNumAllocatedSectionPlanes()>0,a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),r.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),r.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),e=0,t=n.lights.length;e<t;e++)"ambient"!==(i=n.lights[e]).type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),o&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),r.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),e=0,t=n.lights.length;e<t;e++)if("ambient"!==(i=n.lights[e]).type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),r.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),o&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):r.push("    outColor           = newColor;"),r.push("}"),r}}]),i}(),cl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=i._lightsState,n=r.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry flat-shading drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),i.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),n){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;"),e=0,t=s.lights.length;e<t;e++){var u=s.lights[e];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")))}if(o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),n){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var c=0,A=r.getNumAllocatedSectionPlanes();c<A;c++)o.push("if (sectionPlaneActive"+c+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+c+".xyz, vWorldPosition.xyz - sectionPlanePos"+c+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}for(o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),e=0,t=s.lights.length;e<t;e++){var h=s.lights[e];if("ambient"!==h.type){if("dir"===h.type)"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===h.type)"view"===h.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==h.type)continue;"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return o.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):o.push("    outColor           = fragColor;"),i.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Al=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing fill fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = newColor;"),r.push("}"),r}}]),i}(),hl=function(e){g(i,ll);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,{instancing:!0,edges:!0})}return C(i)}(),dl=function(e){g(i,hl);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),pl=function(e){g(i,hl);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),fl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),vl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),gl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),ml=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),_l=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry depth drawing fragment shader"),n.push("precision highp float;"),n.push("precision highp int;"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}}]),i}(),yl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),bl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),Bl={3e3:"linearToLinear",3001:"sRGBToLinear"},wl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Instancing geometry quality drawing vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("in vec4 modelMatrixCol0;"),n.push("in vec4 modelMatrixCol1;"),n.push("in vec4 modelMatrixCol2;"),n.push("in vec4 modelNormalMatrixCol0;"),n.push("in vec4 modelNormalMatrixCol1;"),n.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),n.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),n.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),n.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Instancing geometry quality drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)o.push("uniform bool sectionPlaneActive"+c+";"),o.push("uniform vec3 sectionPlanePos"+c+";"),o.push("uniform vec3 sectionPlaneDir"+c+";")}if(o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),o.push("              return normalize(surf_norm );"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3    diffuseColor;"),o.push("   float   specularRoughness;"),o.push("   vec3    specularColor;"),o.push("   float   shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = "+Bl[r.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = "+Bl[r.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction = normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction = normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Pl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),xl=function(e){g(i,ll);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Cl=re.vec3(),Ml=re.vec3(),El=re.vec3(),Fl=re.vec3(),kl=re.mat4(),Il=function(e){g(i,la);var t=_(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Cl;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Ml;if(l){var g=re.transformPoint3(c,l,El);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,kl),(p=Fl)[0]=o.eye[0]-v[0],p[1]=o.eye[1]-v[1],p[2]=o.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,p),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Dl=re.vec3(),Sl=re.vec3(),Tl=re.vec3(),Rl=re.vec3(),Ll=re.mat4(),Ul=function(e){g(i,la);var t=_(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Dl;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Sl;if(l){var g=re.transformPoint3(c,l,Tl);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,Ll),(p=Rl)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Ol=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new Al(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new fl(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new vl(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Il(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ul(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new ul(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new ul(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new cl(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new cl(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new xl(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new xl(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new xl(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new xl(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new wl(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new wl(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Al(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new _l(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new yl(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new dl(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new pl(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new fl(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new gl(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new Pl(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new vl(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new ml(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new bl(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Ul(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Il(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Nl={};var Ql=new Uint8Array(4),Vl=new Float32Array(1),Hl=re.vec4([0,0,0,1]),jl=new Float32Array(3),Gl=re.vec3(),zl=re.vec3(),Kl=re.vec3(),Wl=re.vec3(),Xl=re.vec3(),Jl=re.vec3(),Yl=re.vec3(),Zl=new Float32Array(4),ql=function(){function e(t){P(this,e),this.model=t.model,this.sortId="TrianglesInstancingLayer"+(t.solid?"-solid":"-surface")+(t.normals?"-normals":"-autoNormals"),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=Nl[t];return i||(i=new Ol(e),Nl[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete Nl[t],i._destroy()}))),i}(t.model.scene),this._aabb=re.collapseAABB3(),this._state=new ki({numInstances:0,obb:re.OBB3(),origin:re.vec3(),geometry:t.geometry,textureSet:t.textureSet,pbrSupported:!1,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&this._state.origin.set(t.origin),this._finalized=!1,this.solid=!!t.solid,this.numIndices=t.geometry.numIndices,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.metallic,s=t.roughness,n=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,o=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";var l=i[0],u=i[1],c=i[2];if(this._colors.push(l),this._colors.push(u),this._colors.push(c),this._colors.push(n),this._metallicRoughness.push(null!=r?r:0),this._metallicRoughness.push(null!=s?s:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(o[0]),this._modelMatrixCol0.push(o[4]),this._modelMatrixCol0.push(o[8]),this._modelMatrixCol0.push(o[12]),this._modelMatrixCol1.push(o[1]),this._modelMatrixCol1.push(o[5]),this._modelMatrixCol1.push(o[9]),this._modelMatrixCol1.push(o[13]),this._modelMatrixCol2.push(o[2]),this._modelMatrixCol2.push(o[6]),this._modelMatrixCol2.push(o[10]),this._modelMatrixCol2.push(o[14]),this._state.geometry.normals){var A=re.transposeMat4(o,re.mat4()),h=re.inverseMat4(A);this._modelNormalMatrixCol0.push(h[0]),this._modelNormalMatrixCol0.push(h[4]),this._modelNormalMatrixCol0.push(h[8]),this._modelNormalMatrixCol0.push(h[12]),this._modelNormalMatrixCol1.push(h[1]),this._modelNormalMatrixCol1.push(h[5]),this._modelNormalMatrixCol1.push(h[9]),this._modelNormalMatrixCol1.push(h[13]),this._modelNormalMatrixCol2.push(h[2]),this._modelNormalMatrixCol2.push(h[6]),this._modelNormalMatrixCol2.push(h[10]),this._modelNormalMatrixCol2.push(h[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;var d=this._portions.length,p={};return this.model.scene.readableGeometryEnabled&&(p.matrix=o.slice(),p.inverseMatrix=null,p.normalMatrix=null),this._portions.push(p),this._numPortions++,this.model.numPortions++,this._meshes.push(e),d}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=e.geometry,i=e.textureSet,r=this.model.scene.canvas.gl,s=this._colors.length,n=s/4;if(s>0){e.colorsBuf=new ui(r,r.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,r.DYNAMIC_DRAW,!1),this._colors=[]}if(this._metallicRoughness.length>0){var o=new Uint8Array(this._metallicRoughness);e.metallicRoughnessBuf=new ui(r,r.ARRAY_BUFFER,o,this._metallicRoughness.length,2,r.STATIC_DRAW,!1)}if(n>0){e.flagsBuf=new ui(r,r.ARRAY_BUFFER,new Float32Array(n),n,1,r.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){e.offsetsBuf=new ui(r,r.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,r.DYNAMIC_DRAW,!1),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){e.positionsBuf=new ui(r,r.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,r.STATIC_DRAW,!1),e.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){var a=new Uint8Array(t.colorsCompressed);e.colorsBuf=new ui(r,r.ARRAY_BUFFER,a,a.length,4,r.STATIC_DRAW,!1)}if(t.uvCompressed&&t.uvCompressed.length>0){var l=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new ui(r,r.ARRAY_BUFFER,l,l.length,2,r.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new ui(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,r.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new ui(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,r.STATIC_DRAW)),this._modelMatrixCol0.length>0){var u=!1;e.modelMatrixCol0Buf=new ui(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelMatrixCol1Buf=new ui(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelMatrixCol2Buf=new ui(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new ui(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol1Buf=new ui(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol2Buf=new ui(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){e.pickColorsBuf=new ui(r,r.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,r.STATIC_DRAW,!1),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";Ql[0]=t[0],Ql[1]=t[1],Ql[2]=t[2],Ql[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Ql,4*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ye),s=!!(t&tt),n=!!(t&it),o=!!(t&rt),a=!!(t&st),l=!!(t&qe),u=!!(t&Ze),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?ta.NOT_RENDERED:i?ta.COLOR_TRANSPARENT:ta.COLOR_OPAQUE,c|=(!r||u?ta.NOT_RENDERED:o?ta.SILHOUETTE_SELECTED:n?ta.SILHOUETTE_HIGHLIGHTED:s?ta.SILHOUETTE_XRAYED:ta.NOT_RENDERED)<<4,c|=(!r||u?ta.NOT_RENDERED:o?ta.EDGES_SELECTED:n?ta.EDGES_HIGHLIGHTED:s?ta.EDGES_XRAYED:a?i?ta.EDGES_COLOR_TRANSPARENT:ta.EDGES_COLOR_OPAQUE:ta.NOT_RENDERED)<<8,c|=(r&&!u&&l?ta.PICK:ta.NOT_RENDERED)<<12,c|=(t&$e?1:0)<<16,Vl[0]=c,this._state.flagsBuf&&this._state.flagsBuf.setData(Vl,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(jl[0]=t[0],jl[1]=t[1],jl[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(jl,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state,r=i.geometry,s=this._portions[e];if(s){var n=r.positionsCompressed,o=this.model.matrix,a=re.vec4();a.set(i.origin,0),a[3]=1,re.mulMat4v4(o,a,a);for(var l=a[0],u=a[1],c=a[2],A=Hl,h=s.matrix,d=i.positionsDecodeMatrix,p=0,f=n.length;p<f;p+=3)A[0]=n[p],A[1]=n[p+1],A[2]=n[p+2],re.decompressPosition(A,d),re.transformPoint3(h,A,A),A[3]=1,re.mulMat4v4(o,A,A),A[0]+=l,A[1]+=u,A[2]+=c,t(A)}else this.model.error("portion not found: "+e)}},{key:"getEachIndex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state.geometry;if(this._portions[e])for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Zl[0]=t[0],Zl[1]=t[4],Zl[2]=t[8],Zl[3]=t[12],this._state.modelMatrixCol0Buf.setData(Zl,i),Zl[0]=t[1],Zl[1]=t[5],Zl[2]=t[9],Zl[3]=t[13],this._state.modelMatrixCol1Buf.setData(Zl,i),Zl[0]=t[2],Zl[1]=t[6],Zl[2]=t[10],Zl[3]=t[14],this._state.modelMatrixCol2Buf.setData(Zl,i)}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ta.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ta.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ta.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ta.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_XRAYED)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_SELECTED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ta.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state.geometry,o=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=re.inverseMat4(a.matrix,re.mat4())),s&&!a.normalMatrix&&(a.normalMatrix=re.transposeMat4(a.inverseMatrix,re.mat4()));var l=n.quantizedPositions,u=n.indices,c=o.origin,A=a.offset,h=Gl,d=zl;h.set(c?re.subVec3(t,c,Kl):t),d.set(i),A&&re.subVec3(h,A),re.transformRay(this.model.worldNormalMatrix,h,d,h,d),re.transformRay(a.inverseMatrix,h,d,h,d);for(var p=Wl,f=Xl,v=Jl,g=!1,m=0,_=Yl,y=0,b=u.length;y<b;y+=3){var B=3*u[y+0],w=3*u[y+1],P=3*u[y+2];p[0]=l[B],p[1]=l[B+1],p[2]=l[B+2],f[0]=l[w],f[1]=l[w+1],f[2]=l[w+2],v[0]=l[P],v[1]=l[P+1],v[2]=l[P+2];var x=o.geometry.positionsDecodeMatrix;if(re.decompressPosition(p,x),re.decompressPosition(f,x),re.decompressPosition(v,x),re.rayTriangleIntersect(h,d,p,f,v,_)){re.transformPoint3(a.matrix,_,_),re.transformPoint3(this.model.worldMatrix,_,_),A&&re.addVec3(_,A),c&&re.addVec3(_,c);var C=Math.abs(re.lenVec3(re.subVec3(_,t,[])));(!g||C>m)&&(m=C,r.set(_),s&&re.triangleNormal(p,f,v,s),g=!0)}}return g&&s&&(re.transformVec3(a.normalMatrix,s,s),re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),g}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}]),e}(),$l=function(e){g(i,la);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),s&&r.drawElements++}}]),i}(),eu=function(e){g(i,$l);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),tu=function(e){g(i,$l);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),iu=re.vec3(),ru=re.vec3(),su=re.vec3(),nu=re.vec3(),ou=re.mat4(),au=function(e){g(i,la);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=iu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=ru;if(l){var g=su;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,ou),(p=nu)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),lu=re.vec3(),uu=re.vec3(),cu=re.vec3(),Au=re.vec3(),hu=re.mat4(),du=function(e){g(i,la);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=lu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=uu;if(l){var g=cu;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,hu),(p=Au)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),pu=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new eu(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new tu(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new au(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new du(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),fu={};var vu=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:5e6;P(this,e),t>5e6&&(t=5e6),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]})),gu=function(){function e(t){var i,r,s;P(this,e),this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=fu[r])||(s=new pu(i),fu[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete fu[r],s._destroy()}))),s),this.model=t.model,this._buffer=new vu(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new ki({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin)),this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.indices,o=t.color,a=t.opacity,l=this._buffer,u=l.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var c=0,A=s.length;c<A;c++)l.positions.push(s[c])}else{if(!r)throw"positions expected";i=r.length/3;for(var h=0,d=r.length;h<d;h++)l.positions.push(r[h])}if(o)for(var p=o[0],f=o[1],v=o[2],g=a,m=0;m<i;m++)l.colors.push(p),l.colors.push(f),l.colors.push(v),l.colors.push(g);if(n)for(var _=0,y=n.length;_<y;_++)l.indices.push(n[_]+u);if(this.model.scene.entityOffsetsEnabled)for(var b=0;b<i;b++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);var B=this._portions.length/2;return this._portions.push(u),this._portions.push(i),this._numPortions++,this.model.numPortions++,this._numVerts+=i,this._meshes.push(e),B}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){var r=new Uint16Array(i.positions);e.positionsBuf=new ui(t,t.ARRAY_BUFFER,r,i.positions.length,3,t.STATIC_DRAW)}else{var s=Wa(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new ui(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){var n=new Uint8Array(i.colors);e.colorsBuf=new ui(t,t.ARRAY_BUFFER,n,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.colors.length>0){var o=i.colors.length/4,a=new Float32Array(o);e.flagsBuf=new ui(t,t.ARRAY_BUFFER,a,a.length,1,t.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var l=new Float32Array(i.offsets);e.offsetsBuf=new ui(t,t.ARRAY_BUFFER,l,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var u=new Uint32Array(i.indices);e.indicesBuf=new ui(t,t.ELEMENT_ARRAY_BUFFER,u,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=t[3],c=0;c<s;c+=4)n[c+0]=o,n[c+1]=a,n[c+2]=l,n[c+3]=u;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=2*e,a=this._portions[o],l=this._portions[o+1],u=a,c=l,A=!!(t&Ye),h=!!(t&tt),d=!!(t&it),p=!!(t&rt),f=!!(t&qe),v=!!(t&Ze);s=!A||v||h||d&&!this.model.scene.highlightMaterial.glowThrough||p&&!this.model.scene.selectedMaterial.glowThrough?ta.NOT_RENDERED:i?ta.COLOR_TRANSPARENT:ta.COLOR_OPAQUE,n=!A||v?ta.NOT_RENDERED:p?ta.SILHOUETTE_SELECTED:d?ta.SILHOUETTE_HIGHLIGHTED:h?ta.SILHOUETTE_XRAYED:ta.NOT_RENDERED;var g=A&&!v&&f?ta.PICK:ta.NOT_RENDERED,m=t&$e?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var _=u,y=u+c;_<y;_++){var b=0;b|=s,b|=n<<4,b|=g<<12,b|=m<<16,this._deferredFlagValues[_]=b}}else if(this._state.flagsBuf){for(var B=this._scratchMemory.getFloat32Array(c),w=0;w<c;w++){var P=0;P|=s,P|=n<<4,P|=g<<12,P|=m<<16,B[w]=P}this._state.flagsBuf.setData(B,u,c)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e){}},{key:"drawPickDepths",value:function(e){}},{key:"drawPickNormals",value:function(e){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawOcclusion",value:function(e){}},{key:"drawShadow",value:function(e){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}]),e}(),mu=function(e){g(i,la);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++}}]),i}(),_u=function(e){g(i,mu);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Lines instancing color fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):n.push("    outColor           = vColor;"),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),yu=function(e){g(i,mu);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),bu=re.vec3(),Bu=re.vec3(),wu=re.vec3();re.vec3();var Pu=re.mat4(),xu=function(e){g(i,la);var t=_(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=bu;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=Bu;if(l){var v=re.transformPoint3(c,l,wu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=ze(h,f,Pu),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Cu=re.vec3(),Mu=re.vec3(),Eu=re.vec3();re.vec3();var Fu=re.mat4(),ku=function(e){g(i,la);var t=_(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=Cu;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=Mu;if(l){var v=re.transformPoint3(c,l,Eu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=ze(h,f,Fu),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Iu=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._snapInitRenderer||(this._snapInitRenderer=new xu(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new ku(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new _u(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new yu(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new xu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new ku(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Du={};var Su=new Uint8Array(4),Tu=new Float32Array(1),Ru=new Float32Array(3),Lu=new Float32Array(4),Uu=function(){function e(t){var i,r,s;P(this,e),this.model=t.model,this.material=t.material,this.sortId="LinesInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=Du[r])||(s=new Iu(i),Du[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete Du[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new ki({obb:re.OBB3(),numInstances:0,origin:null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&(this._state.origin=re.vec3(t.origin)),this._finalized=!1,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.opacity,s=t.meshMatrix;if(this._finalized)throw"Already finalized";var n=i[0],o=i[1],a=i[2];i[3],this._colors.push(n),this._colors.push(o),this._colors.push(a),this._colors.push(r),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(s[0]),this._modelMatrixCol0.push(s[4]),this._modelMatrixCol0.push(s[8]),this._modelMatrixCol0.push(s[12]),this._modelMatrixCol1.push(s[1]),this._modelMatrixCol1.push(s[5]),this._modelMatrixCol1.push(s[9]),this._modelMatrixCol1.push(s[13]),this._modelMatrixCol2.push(s[2]),this._modelMatrixCol2.push(s[6]),this._modelMatrixCol2.push(s[10]),this._modelMatrixCol2.push(s[14]),this._state.numInstances++;var l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,r=this._colors.length,s=r/4;if(r>0){this._state.colorsBuf=new ui(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,!1),this._colors=[]}if(s>0){this._state.flagsBuf=new ui(e,e.ARRAY_BUFFER,new Float32Array(s),s,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){this._state.offsetsBuf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){var n=new Uint8Array(i.colorsCompressed);t.colorsBuf=new ui(e,e.ARRAY_BUFFER,n,n.length,4,e.STATIC_DRAW,!1)}if(i.positionsCompressed&&i.positionsCompressed.length>0){t.positionsBuf=new ui(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,!1),t.positionsDecodeMatrix=re.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new ui(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){var o=!1;this._state.modelMatrixCol0Buf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol1Buf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol2Buf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,o),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";Su[0]=t[0],Su[1]=t[1],Su[2]=t[2],Su[3]=t[3],this._state.colorsBuf.setData(Su,4*e,4)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ye),s=!!(t&tt),n=!!(t&it),o=!!(t&rt),a=!!(t&st),l=!!(t&qe),u=!!(t&Ze),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?ta.NOT_RENDERED:i?ta.COLOR_TRANSPARENT:ta.COLOR_OPAQUE,c|=(!r||u?ta.NOT_RENDERED:o?ta.SILHOUETTE_SELECTED:n?ta.SILHOUETTE_HIGHLIGHTED:s?ta.SILHOUETTE_XRAYED:ta.NOT_RENDERED)<<4,c|=(!r||u?ta.NOT_RENDERED:o?ta.EDGES_SELECTED:n?ta.EDGES_HIGHLIGHTED:s?ta.EDGES_XRAYED:a?i?ta.EDGES_COLOR_TRANSPARENT:ta.EDGES_COLOR_OPAQUE:ta.NOT_RENDERED)<<8,c|=(r&&!u&&l?ta.PICK:ta.NOT_RENDERED)<<12,c|=(t&$e?255:0)<<16,Tu[0]=c,this._state.flagsBuf.setData(Tu,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Ru[0]=t[0],Ru[1]=t[1],Ru[2]=t[2],this._state.offsetsBuf.setData(Ru,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Lu[0]=t[0],Lu[1]=t[4],Lu[2]=t[8],Lu[3]=t[12],this._state.modelMatrixCol0Buf.setData(Lu,i),Lu[0]=t[1],Lu[1]=t[5],Lu[2]=t[9],Lu[3]=t[13],this._state.modelMatrixCol1Buf.setData(Lu,i),Lu[0]=t[2],Lu[1]=t[6],Lu[2]=t[10],Lu[3]=t[14],this._state.modelMatrixCol2Buf.setData(Lu,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}]),e}(),Ou=function(e){g(i,la);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),s&&r.drawArrays++}}]),i}(),Nu=function(e){g(i,Ou);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,r=[];return r.push("#version 300 es"),r.push("// Points batching color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Qu=function(e){g(i,Ou);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform vec4 color;"),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points batching silhouette vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = color;"),n.push("}"),n}}]),i}(),Vu=function(e){g(i,Ou);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),Hu=function(e){g(i,Ou);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batched pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batched pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),ju=function(e){g(i,Ou);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("  gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),r.push("}"),r}}]),i}(),Gu=re.vec3(),zu=re.vec3(),Ku=re.vec3(),Wu=re.vec3(),Xu=re.mat4(),Ju=function(e){g(i,la);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Gu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=zu;if(l){var g=Ku;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,Xu),(p=Wu)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible),o.uniform1f(this._uPointSize,1);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Yu=re.vec3(),Zu=re.vec3(),qu=re.vec3(),$u=re.vec3(),ec=re.mat4(),tc=function(e){g(i,la);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Yu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Zu;if(l){var g=qu;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,ec),(p=$u)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),ic=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Nu(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Qu(this._scene)),this._silhouetteRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Vu(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new Hu(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new ju(this._scene)),this._occlusionRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Ju(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new tc(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),rc={};var sc=function(){function e(t){P(this,e),this.model=t.model,this.sortId="PointsBatchingLayer",this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=rc[t];return i||(i=new ic(e),rc[t]=i,i._compile(),e.on("compile",(function(){i._compile()})),e.on("destroyed",(function(){delete rc[t],i._destroy()}))),i}(t.model.scene);var i=t.maxGeometryBatchSize||5e6,r=function(){var e=[];return{append:function(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e.push({data:t,times:i,denormalizeScale:r})},compileBuffer:function(t){var i=0;e.forEach((function(e){i+=e.times*e.data.length}));var r=new t(i),s=0;return e.forEach((function(e){var t=e.data,i=e.denormalizeScale,n=r.subarray(s);if(1===i)n.set(t,0);else for(var o=0;o<t.length;++o)n[o]=t[o]*i;for(var a=t.length,l=e.times*t.length;a<l;){var u=Math.min(a,l-a);n.set(n.subarray(0,u),a),a+=u}s+=a})),r}}};this._buffer={maxVerts:i,positions:r(),colors:r(),pickColors:r(),vertsIndex:0},this._scratchMemory=t.scratchMemory,this._state=new ki({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin))}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i=this._buffer,r=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!r)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(r);var s=r.length/3,n=t.color,o=t.colorsCompressed,a=t.colors,l=t.pickColor;o?i.colors.append(o):a?i.colors.append(a,1,255):n&&i.colors.append([n[0],n[1],n[2],1],s),i.pickColors.append(l.slice(0,4),s),re.expandAABB3(this._modelAABB,t.aabb);var u=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(s),this._buffer.vertsIndex+=s,this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,r=function(e,i,r){return e.length>0?new ui(t,t.ARRAY_BUFFER,e,e.length,i,r):null},s=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):Wa(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=r(s,3,t.STATIC_DRAW),e.flagsBuf=r(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=r(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=r(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?r(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized"}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=4)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r,s,n=2*e,o=this._portions[n],a=this._portions[n+1],l=this._scratchMemory.getFloat32Array(a),u=!!(t&Ye),c=!!(t&tt),A=!!(t&it),h=!!(t&rt),d=!!(t&qe),p=!!(t&Ze);r=!u||p||c||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?ta.NOT_RENDERED:i?ta.COLOR_TRANSPARENT:ta.COLOR_OPAQUE,s=!u||p?ta.NOT_RENDERED:h?ta.SILHOUETTE_SELECTED:A?ta.SILHOUETTE_HIGHLIGHTED:c?ta.SILHOUETTE_XRAYED:ta.NOT_RENDERED;for(var f=u&&!p&&d?ta.PICK:ta.NOT_RENDERED,v=t&$e?1:0,g=0;g<a;g++){var m=0;m|=r,m|=s<<4,m|=f<<12,m|=v<<16,l[g]=m}this._state.flagsBuf.setData(l,o)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),nc=function(e){g(i,la);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),s&&r.drawArrays++}}]),i}(),oc=function(e){g(i,nc);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),ac=function(e){g(i,nc);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){f(B(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 color;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),r.push("uniform vec4 silhouetteColor;"),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),lc=function(e){g(i,nc);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick mesh fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),uc=function(e){g(i,nc);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("  vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),cc=function(e){g(i,nc);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 color;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Ac=function(e){g(i,nc);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points instancing depth vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("const float   packUpScale = 256. / 255.;"),n.push("const float   unpackDownscale = 255. / 256.;"),n.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),n.push("const float   shiftRight8 = 1.0 / 256.;"),n.push("vec4 packDepthToRGBA( const in float v ) {"),n.push("    vec4 r = vec4( fract( v * packFactors ), v );"),n.push("    r.yzw -= r.xyz * shiftRight8;"),n.push("    return r * packUpScale;"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return n.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),hc=function(e){g(i,nc);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),dc=re.vec3(),pc=re.vec3(),fc=re.vec3();re.vec3();var vc=re.mat4(),gc=function(e){g(i,la);var t=_(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=dc;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=pc;if(l){var v=re.transformPoint3(c,l,fc);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=ze(h,f,vc),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),mc=re.vec3(),_c=re.vec3(),yc=re.vec3();re.vec3();var bc=re.mat4(),Bc=function(e){g(i,la);var t=_(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=mc;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=_c;if(l){var v=re.transformPoint3(c,l,yc);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=ze(h,f,bc),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){f(B(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),wc=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new oc(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new ac(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new Ac(this._scene)),this._depthRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new lc(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new uc(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new cc(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new hc(this._scene)),this._shadowRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new gc(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Bc(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Pc={};var xc=new Uint8Array(4),Cc=new Float32Array(1),Mc=new Float32Array(3),Ec=new Float32Array(4),Fc=function(){function e(t){var i,r,s;P(this,e),this.model=t.model,this.material=t.material,this.sortId="PointsInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=Pc[r])||(s=new wc(i),Pc[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete Pc[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new ki({obb:re.OBB3(),numInstances:0,origin:t.origin?re.vec3(t.origin):null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.meshMatrix,r=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(r[0]),this._pickColors.push(r[1]),this._pickColors.push(r[2]),this._pickColors.push(r[3]),this._state.numInstances++;var s=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),s}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,r=i.geometry;if(t>0){i.flagsBuf=new ui(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){i.offsetsBuf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(r.positionsCompressed&&r.positionsCompressed.length>0){i.positionsBuf=new ui(e,e.ARRAY_BUFFER,r.positionsCompressed,r.positionsCompressed.length,3,e.STATIC_DRAW,!1),i.positionsDecodeMatrix=re.mat4(r.positionsDecodeMatrix)}if(r.colorsCompressed&&r.colorsCompressed.length>0){var s=new Uint8Array(r.colorsCompressed);i.colorsBuf=new ui(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,!1)}if(this._modelMatrixCol0.length>0){var n=!1;i.modelMatrixCol0Buf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,n),i.modelMatrixCol1Buf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,n),i.modelMatrixCol2Buf=new ui(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,n),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){i.pickColorsBuf=new ui(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,!1),this._pickColors=[]}i.geometry=null,this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";xc[0]=t[0],xc[1]=t[1],xc[2]=t[2],this._state.colorsBuf.setData(xc,3*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ye),s=!!(t&tt),n=!!(t&it),o=!!(t&rt),a=!!(t&st),l=!!(t&qe),u=!!(t&Ze),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?ta.NOT_RENDERED:i?ta.COLOR_TRANSPARENT:ta.COLOR_OPAQUE,c|=(!r||u?ta.NOT_RENDERED:o?ta.SILHOUETTE_SELECTED:n?ta.SILHOUETTE_HIGHLIGHTED:s?ta.SILHOUETTE_XRAYED:ta.NOT_RENDERED)<<4,c|=(!r||u?ta.NOT_RENDERED:o?ta.EDGES_SELECTED:n?ta.EDGES_HIGHLIGHTED:s?ta.EDGES_XRAYED:a?i?ta.EDGES_COLOR_TRANSPARENT:ta.EDGES_COLOR_OPAQUE:ta.NOT_RENDERED)<<8,c|=(r&&!u&&l?ta.PICK:ta.NOT_RENDERED)<<12,c|=(t&$e?255:0)<<16,Cc[0]=c,this._state.flagsBuf.setData(Cc,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Mc[0]=t[0],Mc[1]=t[1],Mc[2]=t[2],this._state.offsetsBuf.setData(Mc,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Ec[0]=t[0],Ec[1]=t[4],Ec[2]=t[8],Ec[3]=t[12],this._state.modelMatrixCol0Buf.setData(Ec,i),Ec[0]=t[1],Ec[1]=t[5],Ec[2]=t[9],Ec[3]=t[13],this._state.modelMatrixCol1Buf.setData(Ec,i),Ec[0]=t[2],Ec[1]=t[6],Ec[2]=t[10],Ec[3]=t[14],this._state.modelMatrixCol2Buf.setData(Ec,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ta.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ta.PICK)}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),kc=re.vec3(),Ic=re.vec3(),Dc=re.mat4(),Sc=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix,h=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=kc;if(p){var g=re.transformPoint3(A,u,Ic);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=ze(h,v,Dc)}else d=h;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,B=t.layerIndex*y,w=n.renderFlags,P=0;P<_;P++){var x=this._uSectionPlanes[P];if(x)if(P<y){var C=w.sectionPlanesActivePerLayer[B+P];if(o.uniform1i(x.active,C?1:0),C){var M=b[P];if(u){var E=Je(M.dist,M.dir,u,kc,n.matrix);o.uniform3fv(x.pos,E)}else o.uniform3fv(x.pos,M.pos);o.uniform3fv(x.dir,M.dir)}}else o.uniform1i(x.active,0)}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),o.drawArrays(o.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),o.drawArrays(o.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),o.drawArrays(o.LINES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// LinesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Tc=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}},{key:"eagerCreateRenders",value:function(){}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Sc(this._scene,!1)),this._colorRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy()}}]),e}(),Rc={};var Lc=C((function e(){P(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]})),Uc=function(){function e(){P(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindLineIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),Oc=function(){function e(t,i,r,s){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;P(this,e),this._gl=t,this._texture=i,this._textureWidth=r,this._textureHeight=s,this._textureData=n}return C(e,[{key:"bindTexture",value:function(e,t,i){return e.bindTexture(t,this,i)}},{key:"bind",value:function(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}},{key:"unbind",value:function(e){}}]),e}(),Nc={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Nc,null,4));var e=0;Object.keys(Nc).forEach((function(t){t.startsWith("size")&&(e+=Nc[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/Nc.totalLines).toFixed(2)));var t={};Object.keys(Nc).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((Nc[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var Qc=function(){function e(){P(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"generateTextureForColorsAndFlags",value:function(e,t,i,r,s){var n=t.length;this.numPortions=n;var o=4096,a=Math.ceil(n/512);if(0===a)throw"texture height===0";var l=new Uint8Array(16384*a);Nc.sizeDataColorsAndFlags+=l.byteLength,Nc.numberOfTextures++;for(var u=0;u<n;u++)l.set(t[u],32*u+0),l.set(i[u],32*u+4),l.set([0,0,0,0],32*u+8),l.set([0,0,0,0],32*u+12),l.set([r[u]>>24&255,r[u]>>16&255,r[u]>>8&255,255&r[u]],32*u+16),l.set([s[u]>>24&255,s[u]>>16&255,s[u]>>8&255,255&s[u]],32*u+20);var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,o,a,l)}},{key:"generateTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);Nc.sizeDataTextureOffsets+=s.byteLength,Nc.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,n,i,r,s)}},{key:"generateTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);Nc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,a,r,s,n)}},{key:"generateTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);Nc.sizeDataPositionDecodeMatrices+=n.byteLength,Nc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,a,r,s)}},{key:"generateTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);Nc.sizeDataTextureIndices+=n.byteLength,Nc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"generateTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);Nc.sizeDataTextureIndices+=n.byteLength,Nc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"generateTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);Nc.sizeDataTextureIndices+=n.byteLength,Nc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"generateTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);Nc.sizeDataTexturePositions+=o.byteLength,Nc.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var c=t[a];o.set(c,l),l+=c.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,A,s,n)}},{key:"generateTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),Nc.sizeDataTexturePortionIds+=n.byteLength,Nc.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,o,r,s)}}]),e}(),Vc=new Ha,Hc=Vc.maxDataTextureHeight,jc=new Float32Array(16),Gc=new Uint8Array(4),zc=new Float32Array(3),Kc=0,Wc=re.identityMat4(),Xc=function(){function e(t,i){var r,s,n;P(this,e),Nc.numberOfLayers++,this._layerNumber=Kc++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=Rc[s])||(n=new Tc(r),Rc[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete Rc[s],n._destroy()}))),n),this.model=t,this._buffer=new Lc,this._dataTextureState=new Uc,this._dataTextureGenerator=new Qc,this._state=new ki({origin:re.vec3(i.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&Nc.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/2})),(this._state.numVertices+n>4096*Hc||s+o>4096*Hc)&&Nc.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*Hc&&s+o<=4096*Hc)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/2/8)*2;Nc.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}var s=t.positionsCompressed,n=t.indices,o=this._buffer;o.positionsCompressed.push(s);var a,l=o.lenPositionsCompressed/3,u=s.length/3;o.lenPositionsCompressed+=s.length;var c,A=0;n&&(A=n.length/2,u<=256?(c=o.indices8Bits,a=o.lenIndices8Bits/2,o.lenIndices8Bits+=n.length):u<=65536?(c=o.indices16Bits,a=o.lenIndices16Bits/2,o.lenIndices16Bits+=n.length):(c=o.indices32Bits,a=o.lenIndices32Bits/2,o.lenIndices32Bits+=n.length),c.push(n));return this._state.numVertices+=u,Nc.numberOfGeometries++,{vertexBase:l,numVertices:u,numLines:A,indicesBase:a}}},{key:"_createSubPortion",value:function(e,t){var i,r=e.color,s=e.colors,n=e.opacity,o=e.meshMatrix,a=e.pickColor,l=this._buffer,u=this._state;l.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),l.perObjectInstancePositioningMatrices.push(o||Wc),l.perObjectSolid.push(!!e.solid),s?l.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):r&&l.perObjectColors.push([r[0],r[1],r[2],n]),l.perObjectPickColors.push(a),l.perObjectVertexBases.push(t.vertexBase),i=t.numVertices<=256?u.numIndices8Bits:t.numVertices<=65536?u.numIndices16Bits:u.numIndices32Bits,l.perObjectIndexBaseOffsets.push(i/2-t.indicesBase);var c=this._subPortions.length;if(t.numLines>0){var A,h=2*t.numLines;t.numVertices<=256?(A=l.perLineNumberPortionId8Bits,u.numIndices8Bits+=h,Nc.totalLines8Bits+=t.numLines):t.numVertices<=65536?(A=l.perLineNumberPortionId16Bits,u.numIndices16Bits+=h,Nc.totalLines16Bits+=t.numLines):(A=l.perLineNumberPortionId32Bits,u.numIndices32Bits+=h,Nc.totalLines32Bits+=t.numLines),Nc.totalLines+=t.numLines;for(var d=0;d<t.numLines;d+=8)A.push(c)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,Nc.numberOfPortions++,c}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dataTextureState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId8Bits),i.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId16Bits),i.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(i.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Gc[0]=t[0],Gc[1]=t[1],Gc[2]=t[2],Gc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(Gc,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,Gc))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&Ye),a=!!(t&tt),l=!!(t&it),u=!!(t&rt),c=!!(t&qe),A=!!(t&Ze);s=!o||A||a?ta.NOT_RENDERED:i?ta.COLOR_TRANSPARENT:ta.COLOR_OPAQUE,n=!o||A?ta.NOT_RENDERED:u?ta.SILHOUETTE_SELECTED:l?ta.SILHOUETTE_HIGHLIGHTED:a?ta.SILHOUETTE_XRAYED:ta.NOT_RENDERED;var h=o&&!A&&c?ta.PICK:ta.NOT_RENDERED,d=this._dataTextureState,p=this.model.scene.canvas.gl;Gc[0]=s,Gc[1]=n,Gc[3]=h,d.texturePerObjectColorsAndFlags._textureData.set(Gc,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),p.bindTexture(p.TEXTURE_2D,d.texturePerObjectColorsAndFlags._texture),p.texSubImage2D(p.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,p.RGBA_INTEGER,p.UNSIGNED_BYTE,Gc))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&$e?255:0,s=this._dataTextureState,n=this.model.scene.canvas.gl;Gc[0]=r,Gc[1]=0,Gc[2]=1,Gc[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(Gc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,Gc))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;zc[0]=t[0],zc[1]=t[1],zc[2]=t[2],i.texturePerObjectOffsets._textureData.set(zc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,zc))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;jc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(jc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,jc))}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){}},{key:"drawSilhouetteHighlighted",value:function(e,t){}},{key:"drawSilhouetteSelected",value:function(e,t){}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){}},{key:"drawSnap",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),Jc=re.vec3(),Yc=re.vec3(),Zc=re.vec3();re.vec3();var qc=re.vec4(),$c=re.mat4(),eA=function(){function e(t,i){P(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Jc;if(p){var g=re.transformPoint3(A,u,Yc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],h=ze(s.viewMatrix,v,$c),(d=Zc)[0]=s.eye[0]-v[0],d[1]=s.eye[1]-v[1],d[2]=s.eye[2]-v[2]}else h=s.viewMatrix,d=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0){var b=r._sectionPlanesState.sectionPlanes,B=t.layerIndex*y,w=n.renderFlags;r.crossSections&&(o.uniform4fv(this._uSliceColor,r.crossSections.sliceColor),o.uniform1f(this._uSliceThickness,r.crossSections.sliceThickness));for(var P=0;P<_;P++){var x=this._uSectionPlanes[P];if(x)if(P<y){var C=w.sectionPlanesActivePerLayer[B+P];if(o.uniform1i(x.active,C?1:0),C){var M=b[P];if(u){var E=Je(M.dist,M.dir,u,Jc,n.matrix);o.uniform3fv(x.pos,E)}else o.uniform3fv(x.pos,M.pos);o.uniform3fv(x.dir,M.dir)}}else o.uniform1i(x.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new li(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}this._uSceneModelMatrix=r.getLocation("sceneModelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=r.getLocation("uCameraEyeRtc"),e.crossSections&&(this._uSliceColor=r.getLocation("sliceColor"),this._uSliceThickness=r.getLocation("sliceThickness"))}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState.lights,n=t.camera.project;r.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(var o=0,a=s.length;o<a;o++){var l=s[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}if(this._withSAO){var u=t.sao;if(u.possible){var c=i.drawingBufferWidth,A=i.drawingBufferHeight;qc[0]=c,qc[1]=A,qc[2]=u.blendCutoff,qc[3]=u.blendFactor,i.uniform4fv(this._uSAOParams,qc),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){var h=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,h)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("uniform mat4 sceneModelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectMatrix;"),n.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = vec3(color.rgb) / 255.0;"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):r.push("   outColor            = newColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),tA=new Float32Array([1,1,1]),iA=re.vec3(),rA=re.vec3(),sA=re.vec3();re.vec3();var nA=re.mat4(),oA=function(){function e(t,i){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix,h=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d,p;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==c[0]||0!==c[1]||0!==c[2]){var f=iA;if(u){var v=rA;re.transformPoint3(A,u,v),f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=c[0],f[1]+=c[1],f[2]+=c[2],d=ze(h,f,nA),(p=sA)[0]=s.eye[0]-f[0],p[1]=s.eye[1]-f[1],p[2]=s.eye[2]-f[2]}else d=h,p=s.eye;if(o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),i===ta.SILHOUETTE_XRAYED){var g=r.xrayMaterial._state,m=g.fillColor,_=g.fillAlpha;o.uniform4f(this._uColor,m[0],m[1],m[2],_)}else if(i===ta.SILHOUETTE_HIGHLIGHTED){var y=r.highlightMaterial._state,b=y.fillColor,B=y.fillAlpha;o.uniform4f(this._uColor,b[0],b[1],b[2],B)}else if(i===ta.SILHOUETTE_SELECTED){var w=r.selectedMaterial._state,P=w.fillColor,x=w.fillAlpha;o.uniform4f(this._uColor,P[0],P[1],P[2],x)}else o.uniform4fv(this._uColor,tA);if(r.logarithmicDepthBufferEnabled){var C=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,C)}var M=r._sectionPlanesState.getNumAllocatedSectionPlanes(),E=r._sectionPlanesState.sectionPlanes.length;if(M>0)for(var F=r._sectionPlanesState.sectionPlanes,k=t.layerIndex*E,I=n.renderFlags,D=0;D<M;D++){var S=this._uSectionPlanes[D];if(S)if(D<E){var T=I.sectionPlanesActivePerLayer[k+D];if(o.uniform1i(S.active,T?1:0),T){var R=F[D];if(u){var L=Je(R.dist,R.dir,u,iA,n.matrix);o.uniform3fv(S.pos,L)}else o.uniform3fv(S.pos,R.pos);o.uniform3fv(S.dir,R.dir)}}else o.uniform1i(S.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = color;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = newColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),aA=new Float32Array([0,0,0,1]),lA=re.vec3(),uA=re.vec3();re.vec3();var cA=re.mat4(),AA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=lA;if(p){var g=re.transformPoint3(A,u,uA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=ze(h,v,cA)}else d=h;if(o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),i===ta.EDGES_XRAYED){var m=s.xrayMaterial._state,_=m.edgeColor,y=m.edgeAlpha;o.uniform4f(this._uColor,_[0],_[1],_[2],y)}else if(i===ta.EDGES_HIGHLIGHTED){var b=s.highlightMaterial._state,B=b.edgeColor,w=b.edgeAlpha;o.uniform4f(this._uColor,B[0],B[1],B[2],w)}else if(i===ta.EDGES_SELECTED){var P=s.selectedMaterial._state,x=P.edgeColor,C=P.edgeAlpha;o.uniform4f(this._uColor,x[0],x[1],x[2],C)}else o.uniform4fv(this._uColor,aA);var M=s._sectionPlanesState.getNumAllocatedSectionPlanes(),E=s._sectionPlanesState.sectionPlanes.length;if(M>0)for(var F=s._sectionPlanesState.sectionPlanes,k=t.layerIndex*E,I=r.renderFlags,D=0;D<M;D++){var S=this._uSectionPlanes[D];if(S)if(D<E){var T=I.sectionPlanesActivePerLayer[k+D];if(o.uniform1i(S.active,T?1:0),T){var R=F[D];if(u){var L=Je(R.dist,R.dir,u,lA,r.matrix);o.uniform3fv(S.pos,L)}else o.uniform3fv(S.pos,R.pos);o.uniform3fv(S.dir,R.dir)}}else o.uniform1i(S.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),hA=re.vec3(),dA=re.vec3(),pA=re.mat4(),fA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=n.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=hA;if(p){var g=re.transformPoint3(A,u,dA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=ze(h,v,pA)}else d=h;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,B=r.renderFlags,w=0;w<m;w++){var P=this._uSectionPlanes[w];if(P)if(w<_){var x=B.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(P.active,x?1:0),x){var C=y[w];if(u){var M=Je(C.dist,C.dir,u,hA,r.matrix);o.uniform3fv(P.pos,M)}else o.uniform3fv(P.pos,C.pos);o.uniform3fv(P.dir,C.dir)}}else o.uniform1i(P.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),vA=re.vec3(),gA=re.vec3(),mA=re.vec3(),_A=re.mat4(),yA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=e.pickViewMatrix||a.viewMatrix,f=e.pickProjMatrix||a.projMatrix,v=e.pickOrigin||a.eye,g=e.pickProjMatrix?e.pickZFar:a.project.far;c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==A[0]||0!==A[1]||0!==A[2],_=0!==h[0]||0!==h[1]||0!==h[2];if(m||_){var y=vA;if(m){var b=re.transformPoint3(d,A,gA);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=h[0],y[1]+=h[1],y[2]+=h[2],r=ze(p,y,_A),(s=mA)[0]=v[0]-y[0],s[1]=v[1]-y[1],s[2]=v[2]-y[2]}else r=p,s=v;if(l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,f),l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),o.logarithmicDepthBufferEnabled){var B=2/(Math.log(g+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,B)}var w=o._sectionPlanesState.getNumAllocatedSectionPlanes(),P=o._sectionPlanesState.sectionPlanes.length;if(w>0)for(var x=o._sectionPlanesState.sectionPlanes,C=t.layerIndex*P,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<P){var k=M.sectionPlanesActivePerLayer[C+E];if(l.uniform1i(F.active,k?1:0),k){var I=x[E];if(A){var D=Je(I.dist,I.dir,A,vA,n.matrix);l.uniform3fv(F.pos,D)}else l.uniform3fv(F.pos,I.pos);l.uniform3fv(F.dir,I.dir)}}else l.uniform1i(F.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),bA=re.vec3(),BA=re.vec3(),wA=re.vec3();re.vec3();var PA=re.mat4(),xA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=e.pickViewMatrix||a.viewMatrix,f=e.pickProjMatrix||a.projMatrix,v=e.pickOrigin||a.eye,g=e.pickProjMatrix?e.pickZFar:a.project.far;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){var m=bA;if(A){var _=BA;re.transformPoint3(d,A,_),m[0]=_[0],m[1]=_[1],m[2]=_[2]}else m[0]=0,m[1]=0,m[2]=0;m[0]+=h[0],m[1]+=h[1],m[2]+=h[2],r=ze(p,m,PA),(s=wA)[0]=v[0]-m[0],s[1]=v[1]-m[1],s[2]=v[2]-m[2],e.snapPickOrigin[0]=m[0],e.snapPickOrigin[1]=m[1],e.snapPickOrigin[2]=m[2]}else r=p,s=v,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniform1f(this._uPickZNear,e.pickZNear),l.uniform1f(this._uPickZFar,e.pickZFar),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,f),o.logarithmicDepthBufferEnabled){var y=2/(Math.log(g+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,y)}var b=o._sectionPlanesState.getNumAllocatedSectionPlanes(),B=o._sectionPlanesState.sectionPlanes.length;if(b>0)for(var w=o._sectionPlanesState.sectionPlanes,P=t.layerIndex*B,x=n.renderFlags,C=0;C<b;C++){var M=this._uSectionPlanes[C];if(M)if(C<B){var E=x.sectionPlanesActivePerLayer[P+C];if(l.uniform1i(M.active,E?1:0),E){var F=w[C];if(A){var k=Je(F.dist,F.dir,A,bA,n.matrix);l.uniform3fv(M.pos,k)}else l.uniform3fv(M.pos,F.pos);l.uniform3fv(M.dir,F.dir)}}else l.uniform1i(M.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),CA=re.vec3(),MA=re.vec3(),EA=re.vec3(),FA=re.vec3();re.vec3();var kA=re.mat4(),IA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=t.aabb,f=e.pickViewMatrix||a.viewMatrix,v=CA;v[0]=re.safeInv(p[3]-p[0])*re.MAX_INT,v[1]=re.safeInv(p[4]-p[1])*re.MAX_INT,v[2]=re.safeInv(p[5]-p[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){var _=MA;if(g){var y=re.transformPoint3(d,A,EA);_[0]=y[0],_[1]=y[1],_[2]=y[2]}else _[0]=0,_[1]=0,_[2]=0;_[0]+=h[0],_[1]+=h[1],_[2]+=h[2],r=ze(f,_,kA),(s=FA)[0]=a.eye[0]-_[0],s[1]=a.eye[1]-_[1],s[2]=a.eye[2]-_[2],e.snapPickOrigin[0]=_[0],e.snapPickOrigin[1]=_[1],e.snapPickOrigin[2]=_[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this.uVectorA,e.snapVectorA),l.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,v),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var b=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,b);var B=o._sectionPlanesState.getNumAllocatedSectionPlanes(),w=o._sectionPlanesState.sectionPlanes.length;if(B>0)for(var P=o._sectionPlanesState.sectionPlanes,x=t.layerIndex*w,C=n.renderFlags,M=0;M<B;M++){var E=this._uSectionPlanes[M];if(E)if(M<w){var F=C.sectionPlanesActivePerLayer[x+M];if(l.uniform1i(E.active,F?1:0),F){var k=P[M];if(A){var I=Je(k.dist,k.dir,A,CA,n.matrix);l.uniform3fv(E.pos,I)}else l.uniform3fv(E.pos,k.pos);l.uniform3fv(E.dir,k.dir)}}else l.uniform1i(E.active,0)}var D="edge"===e.snapMode?l.LINES:l.POINTS;u.numEdgeIndices8Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),l.drawArrays(D,0,u.numEdgeIndices8Bits)),u.numEdgeIndices16Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),l.drawArrays(D,0,u.numEdgeIndices16Bits)),u.numEdgeIndices32Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),l.drawArrays(D,0,u.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),DA=re.vec3(),SA=re.vec3(),TA=re.vec3(),RA=re.vec3();re.vec3();var LA=re.mat4(),UA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=t.aabb,f=e.pickViewMatrix||a.viewMatrix,v=DA;v[0]=re.safeInv(p[3]-p[0])*re.MAX_INT,v[1]=re.safeInv(p[4]-p[1])*re.MAX_INT,v[2]=re.safeInv(p[5]-p[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){var _=SA;if(g){var y=TA;re.transformPoint3(d,A,y),_[0]=y[0],_[1]=y[1],_[2]=y[2]}else _[0]=0,_[1]=0,_[2]=0;_[0]+=h[0],_[1]+=h[1],_[2]+=h[2],r=ze(f,_,LA),(s=RA)[0]=a.eye[0]-_[0],s[1]=a.eye[1]-_[1],s[2]=a.eye[2]-_[2],e.snapPickOrigin[0]=_[0],e.snapPickOrigin[1]=_[1],e.snapPickOrigin[2]=_[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this._uVectorA,e.snapVectorA),l.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,v),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var b=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,b);var B=o._sectionPlanesState.getNumAllocatedSectionPlanes(),w=o._sectionPlanesState.sectionPlanes.length;if(B>0)for(var P=o._sectionPlanesState.sectionPlanes,x=t.layerIndex*w,C=n.renderFlags,M=0;M<B;M++){var E=this._uSectionPlanes[M];if(E)if(M<w){var F=C.sectionPlanesActivePerLayer[x+M];if(l.uniform1i(E.active,F?1:0),F){var k=P[M];if(A){var I=Je(k.dist,k.dir,A,DA,n.matrix);l.uniform3fv(E.pos,I)}else l.uniform3fv(E.pos,k.pos);l.uniform3fv(E.dir,k.dir)}}else l.uniform1i(E.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),OA=re.vec3(),NA=re.vec3(),QA=re.vec3();re.vec3();var VA=re.mat4(),HA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=e.pickViewMatrix||n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d,p;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==c[0]||0!==c[1]||0!==c[2]){var f=OA;if(u){var v=NA;re.transformPoint3(A,u,v),f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=c[0],f[1]+=c[1],f[2]+=c[2],d=ze(h,f,VA),(p=QA)[0]=n.eye[0]-f[0],p[1]=n.eye[1]-f[1],p[2]=n.eye[2]-f[2]}else d=h,p=n.eye;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0)for(var _=s._sectionPlanesState.sectionPlanes,y=t.layerIndex*m,b=r.renderFlags,B=0;B<g;B++){var w=this._uSectionPlanes[B];if(w)if(B<m){var P=b.sectionPlanesActivePerLayer[y+B];if(o.uniform1i(w.active,P?1:0),P){var x=_[B];if(u){var C=Je(x.dist,x.dir,u,OA,r.matrix);o.uniform3fv(w.pos,C)}else o.uniform3fv(w.pos,x.pos);o.uniform3fv(w.dir,x.dir)}}else o.uniform1i(w.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){var e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),jA=re.vec3(),GA=re.vec3(),zA=re.vec3();re.vec3();var KA=re.mat4(),WA=function(){function e(t){P(this,e),this._scene=t,this._allocate(),this._hash=this._getHash()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=jA;if(p){var g=re.transformPoint3(A,u,GA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],h=ze(s.viewMatrix,v,KA),(d=zA)[0]=s.eye[0]-v[0],d[1]=s.eye[1]-v[1],d[2]=s.eye[2]-v[2]}else h=s.viewMatrix,d=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,B=t.layerIndex*y,w=n.renderFlags,P=0;P<_;P++){var x=this._uSectionPlanes[P];if(x)if(P<y){var C=w.sectionPlanesActivePerLayer[B+P];if(o.uniform1i(x.active,C?1:0),C){var M=b[P];if(u){var E=Je(M.dist,M.dir,u,jA,n.matrix);o.uniform3fv(x.pos,E)}else o.uniform3fv(x.pos,M.pos);o.uniform3fv(x.dir,M.dir)}}else o.uniform1i(x.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),XA=re.vec3(),JA=re.vec3(),YA=re.vec3();re.vec3();var ZA=re.mat4(),qA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));var p=0!==l[0]||0!==l[1]||0!==l[2],f=0!==u[0]||0!==u[1]||0!==u[2];if(p||f){var v=XA;if(p){var g=JA;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],h=ze(A,v,ZA),(d=YA)[0]=n.eye[0]-v[0],d[1]=n.eye[1]-v[1],d[2]=n.eye[2]-v[2]}else h=A,d=n.eye;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,c),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,n.viewNormalMatrix),o.uniformMatrix4fv(this._uWorldNormalMatrix,!1,r.worldNormalMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,B=r.renderFlags,w=0;w<m;w++){var P=this._uSectionPlanes[w];if(P)if(w<_){var x=B.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(P.active,x?1:0),x){var C=y[w];if(l){var M=Je(C.dist,C.dir,l,XA,r.matrix);o.uniform3fv(P.pos,M)}else o.uniform3fv(P.pos,C.pos);o.uniform3fv(P.dir,C.dir)}}else o.uniform1i(P.active,0)}o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&qt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),qt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(qt.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&qt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&qt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&qt.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),$A=re.vec3(),eh=re.vec3(),th=re.vec3();re.vec3(),re.vec4();var ih=re.mat4(),rh=function(){function e(t,i){P(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));var h,d,p=e.pickViewMatrix||s.viewMatrix,f=e.pickProjMatrix||s.projMatrix,v=e.pickOrigin||s.eye,g=e.pickProjMatrix?e.pickZFar:s.project.far;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==u[0]||0!==u[1]||0!==u[2],_=0!==c[0]||0!==c[1]||0!==c[2];if(m||_){var y=$A;if(m){var b=re.transformPoint3(A,u,eh);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=c[0],y[1]+=c[1],y[2]+=c[2],h=ze(p,y,ih),(d=th)[0]=v[0]-y[0],d[1]=v[1]-y[1],d[2]=v[2]-y[2]}else h=p,d=v;if(o.uniform2fv(this._uPickClipPos,e.pickClipPos),o.uniform2f(this._uDrawingBufferSize,o.drawingBufferWidth,o.drawingBufferHeight),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,f),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var B=2/(Math.log(g+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,B)}var w=r._sectionPlanesState.getNumAllocatedSectionPlanes(),P=r._sectionPlanesState.sectionPlanes.length;if(w>0)for(var x=r._sectionPlanesState.sectionPlanes,C=t.layerIndex*P,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<P){var k=M.sectionPlanesActivePerLayer[C+E];if(o.uniform1i(F.active,k?1:0),k){var I=x[E];if(u){var D=Je(I.dist,I.dir,u,$A,n.matrix);o.uniform3fv(F.pos,D)}else o.uniform3fv(F.pos,I.pos);o.uniform3fv(F.dir,I.dir)}}else o.uniform1i(F.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new li(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),sh=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new oA(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new yA(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new xA(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new rh(this._scene)),this._snapRenderer||(this._snapRenderer=new IA(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new UA(this._scene)),this._snapRenderer||(this._snapRenderer=new IA(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new eA(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new eA(this._scene,!0)),this._colorRendererWithSAO}},{key:"colorQualityRendererWithSAO",get:function(){return this._colorQualityRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new oA(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new WA(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new qA(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new AA(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new fA(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new yA(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new rh(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new rh(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new xA(this._scene)),this._pickDepthRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new IA(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new UA(this._scene)),this._snapInitRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new HA(this._scene)),this._occlusionRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}]),e}(),nh={};var oh=C((function e(){P(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]})),ah=function(){function e(){P(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindTriangleIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}},{key:"bindEdgeIndicesTextures",value:function(e,t,i,r){this.edgeIndicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),lh={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(lh,null,4));var e=0;Object.keys(lh).forEach((function(t){t.startsWith("size")&&(e+=lh[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/lh.totalPolygons).toFixed(2)));var t={};Object.keys(lh).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((lh[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var uh=function(){function e(){P(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"createTextureForColorsAndFlags",value:function(e,t,i,r,s,n,o){var a=t.length;this.numPortions=a;var l=4096,u=Math.ceil(a/512);if(0===u)throw"texture height===0";var c=new Uint8Array(16384*u);lh.sizeDataColorsAndFlags+=c.byteLength,lh.numberOfTextures++;for(var A=0;A<a;A++)c.set(t[A],32*A+0),c.set(i[A],32*A+4),c.set([0,0,0,0],32*A+8),c.set([0,0,0,0],32*A+12),c.set([r[A]>>24&255,r[A]>>16&255,r[A]>>8&255,255&r[A]],32*A+16),c.set([s[A]>>24&255,s[A]>>16&255,s[A]>>8&255,255&s[A]],32*A+20),c.set([n[A]>>24&255,n[A]>>16&255,n[A]>>8&255,255&n[A]],32*A+24),c.set([o[A]?1:0,0,0,0],32*A+28);var h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,u),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,u,e.RGBA_INTEGER,e.UNSIGNED_BYTE,c,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,h,l,u,c)}},{key:"createTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);lh.sizeDataTextureOffsets+=s.byteLength,lh.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,n,i,r,s)}},{key:"createTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);lh.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,a,r,s,n)}},{key:"createTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);lh.sizeDataPositionDecodeMatrices+=n.byteLength,lh.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,a,r,s)}},{key:"createTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);lh.sizeDataTextureIndices+=n.byteLength,lh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"createTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);lh.sizeDataTextureIndices+=n.byteLength,lh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"createTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);lh.sizeDataTextureIndices+=n.byteLength,lh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"createTextureFor8BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*2);lh.sizeDataTextureEdgeIndices+=n.byteLength,lh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"createTextureFor16BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*2);lh.sizeDataTextureEdgeIndices+=n.byteLength,lh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"createTextureFor32BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*2);lh.sizeDataTextureEdgeIndices+=n.byteLength,lh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,c,r,s)}},{key:"createTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);lh.sizeDataTexturePositions+=o.byteLength,lh.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var c=t[a];o.set(c,l),l+=c.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,A,s,n)}},{key:"createTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),lh.sizeDataTexturePortionIds+=n.byteLength,lh.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Oc(e,o,r,s)}}]),e}(),ch=new Ha,Ah=ch.maxDataTextureHeight,hh=re.vec4(),dh=new Float32Array(16),ph=new Uint8Array(4),fh=new Float32Array(3),vh=0,gh=re.identityMat4(),mh=function(){function e(t,i){var r,s,n;P(this,e),lh.numberOfLayers++,this._layerNumber=vh++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=nh[s])||(n=new sh(r),nh[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete nh[s],n._destroy()}))),n),this.model=t,this._buffer=new oh,this._dtxState=new ah,this._dtxTextureFactory=new uh,this._state=new ki({origin:re.vec3(i.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&lh.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/3})),(this._state.numVertices+n>4096*Ah||s+o>4096*Ah)&&lh.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*Ah&&s+o<=4096*Ah)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/3/8)*3;lh.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}if(t.edgeIndices){var s=8*Math.ceil(t.edgeIndices.length/2/8)*2;lh.overheadSizeAlignementEdgeIndices+=2*(s-t.edgeIndices.length);var n=new Uint32Array(s);n.fill(0),n.set(t.edgeIndices),t.edgeIndices=n}var o=t.positionsCompressed,a=t.indices,l=t.edgeIndices,u=this._buffer;u.positionsCompressed.push(o);var c,A=u.lenPositionsCompressed/3,h=o.length/3;u.lenPositionsCompressed+=o.length;var d,p,f=0;a&&(f=a.length/3,h<=256?(d=u.indices8Bits,c=u.lenIndices8Bits/3,u.lenIndices8Bits+=a.length):h<=65536?(d=u.indices16Bits,c=u.lenIndices16Bits/3,u.lenIndices16Bits+=a.length):(d=u.indices32Bits,c=u.lenIndices32Bits/3,u.lenIndices32Bits+=a.length),d.push(a));var v,g=0;l&&(g=l.length/2,h<=256?(v=u.edgeIndices8Bits,p=u.lenEdgeIndices8Bits/2,u.lenEdgeIndices8Bits+=l.length):h<=65536?(v=u.edgeIndices16Bits,p=u.lenEdgeIndices16Bits/2,u.lenEdgeIndices16Bits+=l.length):(v=u.edgeIndices32Bits,p=u.lenEdgeIndices32Bits/2,u.lenEdgeIndices32Bits+=l.length),v.push(l));return this._state.numVertices+=h,lh.numberOfGeometries++,{vertexBase:A,numVertices:h,numTriangles:f,numEdges:g,indicesBase:c,edgeIndicesBase:p}}},{key:"_createSubPortion",value:function(e,t,i,r){var s=e.color;e.metallic,e.roughness;var n,o,a=e.colors,l=e.opacity,u=e.meshMatrix,c=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(u||gh),A.perObjectSolid.push(!!e.solid),a?A.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):s&&A.perObjectColors.push([s[0],s[1],s[2],l]),A.perObjectPickColors.push(c),A.perObjectVertexBases.push(t.vertexBase),n=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(n/3-t.indicesBase),o=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(o/2-t.edgeIndicesBase);var d=this._subPortions.length;if(t.numTriangles>0){var p,f=3*t.numTriangles;t.numVertices<=256?(p=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=f,lh.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(p=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=f,lh.totalPolygons16Bits+=t.numTriangles):(p=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=f,lh.totalPolygons32Bits+=t.numTriangles),lh.totalPolygons+=t.numTriangles;for(var v=0;v<t.numTriangles;v+=8)p.push(d)}if(t.numEdges>0){var g,m=2*t.numEdges;t.numVertices<=256?(g=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=m,lh.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(g=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=m,lh.totalEdges16Bits+=t.numEdges):(g=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=m,lh.totalEdges32Bits+=t.numEdges),lh.totalEdges+=t.numEdges;for(var _=0;_<t.numEdges;_+=8)g.push(d)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[d]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,lh.numberOfPortions++,d}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dtxState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId8Bits),i.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId16Bits),i.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(i.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(i.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(i.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(i.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(i.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(r,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(i.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(r,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(i.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(r,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"isEmpty",value:function(){return 0===this._numPortions}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;ph[0]=t[0],ph[1]=t[1],ph[2]=t[2],ph[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(ph,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,ph))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&Ye),a=!!(t&tt),l=!!(t&it),u=!!(t&rt),c=!!(t&st),A=!!(t&qe),h=!!(t&Ze);s=!o||h||a||l&&!this.model.scene.highlightMaterial.glowThrough||u&&!this.model.scene.selectedMaterial.glowThrough?ta.NOT_RENDERED:i?ta.COLOR_TRANSPARENT:ta.COLOR_OPAQUE,n=!o||h?ta.NOT_RENDERED:u?ta.SILHOUETTE_SELECTED:l?ta.SILHOUETTE_HIGHLIGHTED:a?ta.SILHOUETTE_XRAYED:ta.NOT_RENDERED;var d=0;d=!o||h?ta.NOT_RENDERED:u?ta.EDGES_SELECTED:l?ta.EDGES_HIGHLIGHTED:a?ta.EDGES_XRAYED:c?i?ta.EDGES_COLOR_TRANSPARENT:ta.EDGES_COLOR_OPAQUE:ta.NOT_RENDERED;var p=o&&!h&&A?ta.PICK:ta.NOT_RENDERED,f=this._dtxState,v=this.model.scene.canvas.gl;ph[0]=s,ph[1]=n,ph[2]=d,ph[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(ph,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),v.bindTexture(v.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),v.texSubImage2D(v.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,v.RGBA_INTEGER,v.UNSIGNED_BYTE,ph))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&$e?255:0,s=this._dtxState,n=this.model.scene.canvas.gl;ph[0]=r,ph[1]=0,ph[2]=1,ph[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(ph,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,ph))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;fh[0]=t[0],fh[1]=t[1],fh[2]=t[2],i.texturePerObjectOffsets._textureData.set(fh,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,fh))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;dh.set(t),i.texturePerObjectInstanceMatrices._textureData.set(dh,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,dh))}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portionToSubPortionsMap[e];if(r)for(var s=0,n=r.length;s<n;s++){var o=r[s],a=this._subPortionReadableGeometries[o],l=a.positionsCompressed,u=a.positionsDecodeMatrix;a.meshMatrix;for(var c=i.origin,A=c[0],h=c[1],d=c[2],p=hh,f=0,v=l.length;f<v;f+=3)p[0]=l[f],p[1]=l[f+1],p[2]=l[f+2],p[3]=1,re.decompressPosition(p,u),re.transformPoint4(this.model.worldMatrix,p,p),re.transformPoint4(this.model.worldMatrix,p,p),p[0]+=A,p[1]+=h,p[2]+=d,t(p)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portionToSubPortionsMap[e];if(i)for(var r=0,s=i.length;r<s;r++)for(var n=i[r],o=this._subPortionReadableGeometries[n].indices,a=0,l=o.length;a<l;a++)t(o[a]);else this.model.error("portion not found: "+e)}}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ta.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ta.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ta.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ta.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ta.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ta.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ta.COLOR_OPAQUE))}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawPickDepths",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ta.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,ta.PICK))}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),_h=function(){function e(t){P(this,e),this.id=t.id,this.colorTexture=t.colorTexture,this.alphaCutoff=t.alphaCutoff,this.metallicRoughnessTexture=t.metallicRoughnessTexture,this.normalsTexture=t.normalsTexture,this.emissiveTexture=t.emissiveTexture,this.occlusionTexture=t.occlusionTexture}return C(e,[{key:"destroy",value:function(){}}]),e}(),yh=function(){function e(t){P(this,e),this.id=t.id,this.texture=t.texture}return C(e,[{key:"destroy",value:function(){this.texture&&(this.texture.destroy(),this.texture=null)}}]),e}(),bh={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}},Bh=function(){function e(t,i,r){P(this,e),this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=t,this.onProgress=i,this.onError=r}return C(e,[{key:"itemStart",value:function(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}},{key:"itemEnd",value:function(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}},{key:"itemError",value:function(e){void 0!==this.onError&&this.onError(e)}},{key:"resolveURL",value:function(e){return this.urlModifier?this.urlModifier(e):e}},{key:"setURLModifier",value:function(e){return this.urlModifier=e,this}},{key:"addHandler",value:function(e,t){return this.handlers.push(e,t),this}},{key:"removeHandler",value:function(e){var t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}},{key:"getHandler",value:function(e){for(var t=0,i=this.handlers.length;t<i;t+=2){var r=this.handlers[t],s=this.handlers[t+1];if(r.global&&(r.lastIndex=0),r.test(e))return s}return null}}]),e}(),wh=new Bh,Ph=function(){function e(t){P(this,e),this.manager=void 0!==t?t:wh,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}return C(e,[{key:"load",value:function(){}},{key:"loadAsync",value:function(e,t){var i=this;return new Promise((function(r,s){i.load(e,r,t,s)}))}},{key:"parse",value:function(){}},{key:"setCrossOrigin",value:function(e){return this.crossOrigin=e,this}},{key:"setWithCredentials",value:function(e){return this.withCredentials=e,this}},{key:"setPath",value:function(e){return this.path=e,this}},{key:"setResourcePath",value:function(e){return this.resourcePath=e,this}},{key:"setRequestHeader",value:function(e){return this.requestHeader=e,this}}]),e}(),xh={},Ch=function(e){g(i,Ph);var t=_(i);function i(e){return P(this,i),t.call(this,e)}return C(i,[{key:"load",value:function(e,t,i,r){var s=this;void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);var n=bh.get(e);if(void 0!==n)return this.manager.itemStart(e),we.scheduleTask((function(){t&&t(n),s.manager.itemEnd(e)}),0),n;if(void 0===xh[e]){xh[e]=[],xh[e].push({onLoad:t,onProgress:i,onError:r});var o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,l=this.responseType;fetch(o).then((function(t){if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;var i=xh[e],r=t.body.getReader(),s=t.headers.get("Content-Length"),n=s?parseInt(s):0,o=0!==n,a=0,l=new ReadableStream({start:function(e){!function t(){r.read().then((function(r){var s=r.done,l=r.value;if(s)e.close();else{a+=l.byteLength;for(var u=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n}),c=0,A=i.length;c<A;c++){var h=i[c];h.onProgress&&h.onProgress(u)}e.enqueue(l),t()}}))}()}});return new Response(l)}throw Error('fetch for "'.concat(t.url,'" responded with ').concat(t.status,": ").concat(t.statusText))})).then((function(e){switch(l){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((function(e){return(new DOMParser).parseFromString(e,a)}));case"json":return e.json();default:if(void 0===a)return e.text();var t=/charset="?([^;"\s]*)"?/i.exec(a),i=t&&t[1]?t[1].toLowerCase():void 0,r=new TextDecoder(i);return e.arrayBuffer().then((function(e){return r.decode(e)}))}})).then((function(t){bh.add(e,t);var i=xh[e];delete xh[e];for(var r=0,s=i.length;r<s;r++){var n=i[r];n.onLoad&&n.onLoad(t)}})).catch((function(t){var i=xh[e];if(void 0===i)throw s.manager.itemError(e),t;delete xh[e];for(var r=0,n=i.length;r<n;r++){var o=i[r];o.onError&&o.onError(t)}s.manager.itemError(e)})).finally((function(){s.manager.itemEnd(e)})),this.manager.itemStart(e)}else xh[e].push({onLoad:t,onProgress:i,onError:r})}},{key:"setResponseType",value:function(e){return this.responseType=e,this}},{key:"setMimeType",value:function(e){return this.mimeType=e,this}}]),i}(),Mh=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:4;P(this,e),this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}return C(e,[{key:"_initWorker",value:function(e){if(!this.workers[e]){var t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}},{key:"_getIdleWorker",value:function(){for(var e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}},{key:"_onMessage",value:function(e,t){var i=this.workersResolve[e];if(i&&i(t),this.queue.length){var r=this.queue.shift(),s=r.resolve,n=r.msg,o=r.transfer;this.workersResolve[e]=s,this.workers[e].postMessage(n,o)}else this.workerStatus^=1<<e}},{key:"setWorkerCreator",value:function(e){this.workerCreator=e}},{key:"setWorkerLimit",value:function(e){this.pool=e}},{key:"postMessage",value:function(e,t){var i=this;return new Promise((function(r){var s=i._getIdleWorker();-1!==s?(i._initWorker(s),i.workerStatus|=1<<s,i.workersResolve[s]=r,i.workers[s].postMessage(e,t)):i.queue.push({resolve:r,msg:e,transfer:t})}))}},{key:"destroy",value:function(){this.workers.forEach((function(e){return e.terminate()})),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}]),e}(),Eh=0,Fh=function(){function e(t){var i=t.viewer,r=t.transcoderPath,s=t.workerLimit;P(this,e),this._transcoderPath=r||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new Mh,this._workerSourceURL="",s&&this._workerPool.setWorkerLimit(s);var n=i.capabilities;this._workerConfig={astcSupported:n.astcSupported,etc1Supported:n.etc1Supported,etc2Supported:n.etc2Supported,dxtSupported:n.dxtSupported,bptcSupported:n.bptcSupported,pvrtcSupported:n.pvrtcSupported},this._supportedFileTypes=["xkt2"]}return C(e,[{key:"_init",value:function(){var t=this;if(!this._transcoderPending){var i=new Ch;i.setPath(this._transcoderPath),i.setWithCredentials(this.withCredentials);var r=i.loadAsync("basis_transcoder.js"),s=new Ch;s.setPath(this._transcoderPath),s.setResponseType("arraybuffer"),s.setWithCredentials(this.withCredentials);var n=s.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([r,n]).then((function(i){var r=c(i,2),s=r[0],n=r[1],o=e.BasisWorker.toString(),a=["/* constants */","let _EngineFormat = "+JSON.stringify(e.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(e.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(e.BasisFormat),"/* 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this},F.prototype.next=function(e){return this._invoke("next",e)},F.prototype.throw=function(e){return this._invoke("throw",e)},F.prototype.return=function(e){return this._invoke("return",e)};var S,T,R,L,U,O,N,Q,V,H,j,G=function(){function e(t,i){P(this,e),this.items=t||[],this._lastUniqueId=(i||0)+1}return C(e,[{key:"addItem",value:function(){var e;if(2===arguments.length){var t=arguments[0];if(e=arguments[1],this.items[t])throw"ID clash: '"+t+"'";return this.items[t]=e,t}for(e=arguments[0]||{};;){var i=this._lastUniqueId++;if(!this.items[i])return this.items[i]=e,i}}},{key:"removeItem",value:function(e){var t=this.items[e];return delete this.items[e],t}}]),e}(),z=new G,K=C((function e(t){P(this,e),this.id=t,this.parentItem=null,this.groups=[],this.menuElement=null,this.shown=!1,this.mouseOver=0})),W=C((function e(){P(this,e),this.items=[]})),X=C((function e(t,i,r,s,n){P(this,e),this.id=t,this.getTitle=i,this.doAction=r,this.getEnabled=s,this.getShown=n,this.itemElement=null,this.subMenu=null,this.enabled=!0})),J=function(){function e(){var t=this,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this._id=z.addItem(),this._context=null,this._enabled=!1,this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={},this._shown=!1,this._nextId=0,this._eventSubs={},!1!==i.hideOnMouseDown&&(document.addEventListener("mousedown",(function(e){e.target.classList.contains("xeokit-context-menu-item")||t.hide()})),document.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){e.target.classList.contains("xeokit-context-menu-item")||t.hide()})),i.items&&(this.items=i.items),this._hideOnAction=!1!==i.hideOnAction,this.context=i.context,this.enabled=!1!==i.enabled,this.hide()}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"items",get:function(){return this._itemsCfg},set:function(e){this._clear(),this._itemsCfg=e||[],this._parseItems(e),this._createUI()}},{key:"enabled",get:function(){return this._enabled},set:function(e){(e=!!e)!==this._enabled&&(this._enabled=e,this._enabled||this.hide())}},{key:"context",get:function(){return this._context},set:function(e){this._context=e}},{key:"show",value:function(e,t){this._context?this._enabled&&(this._shown||(this._hideAllMenus(),this._updateItemsTitles(),this._updateItemsEnabledStatus(),this._showMenu(this._rootMenu.id,e,t),this._updateSubMenuInfo(),this._shown=!0,this.fire("shown",{}))):console.error("ContextMenu cannot be shown without a context - set context first")}},{key:"shown",get:function(){return this._shown}},{key:"hide",value:function(){this._enabled&&this._shown&&(this._hideAllMenus(),this._shown=!1,this.fire("hidden",{}))}},{key:"destroy",value:function(){this._context=null,this._clear(),null!==this._id&&(z.removeItem(this._id),this._id=null)}},{key:"_clear",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e].menuElement;i.parentElement.removeChild(i)}this._itemsCfg=[],this._rootMenu=null,this._menuList=[],this._menuMap={},this._itemList=[],this._itemMap={}}},{key:"_parseItems",value:function(e){var t=this;this._rootMenu=function e(i){for(var r=t._getNextId(),s=new K(r),n=0,o=i.length;n<o;n++){var a=i[n],l=new W;s.groups.push(l);for(var u=function(i,r){var n=a[i],o=n.items,u=o&&o.length>0,c=t._getNextId(),A=n.getTitle||function(){return n.title||""},h=n.doAction||n.callback||function(){},d=n.getEnabled||function(){return!0},p=n.getShown||function(){return!0},f=new X(c,A,h,d,p);if(f.parentMenu=s,l.items.push(f),u){var v=e(o);f.subMenu=v,v.parentItem=f}t._itemList.push(f),t._itemMap[f.id]=f},c=0,A=a.length;c<A;c++)u(c)}return t._menuList.push(s),t._menuMap[s.id]=s,s}(e)}},{key:"_getNextId",value:function(){return"ContextMenu_"+this._id+"_"+this._nextId++}},{key:"_createUI",value:function(){var e=this;!function t(i){e._createMenuUI(i);for(var r=i.groups,s=0,n=r.length;s<n;s++)for(var o=r[s].items,a=0,l=o.length;a<l;a++){var u=o[a].subMenu;u&&t(u)}}(this._rootMenu)}},{key:"_createMenuUI",value:function(e){var t=this,i=e.groups,r=[];if(r.push('<div class="xeokit-context-menu '+e.id+'" style="z-index:300000; position: absolute;">'),r.push("<ul>"),i)for(var s=0,n=i.length;s<n;s++){var o=s,a=n,l=i[s].items;if(l)for(var u=0,c=l.length;u<c;u++){var A=l[u],h=A.subMenu,d=A.title||"";h?(r.push('<li id="'+A.id+'" class="xeokit-context-menu-item xeokit-context-menu-submenu">'+d+"</li>"),o===a-1||u<c-1||r.push('<li id="'+A.id+'" class="xeokit-context-menu-item-separator"></li>')):(r.push('<li id="'+A.id+'" class="xeokit-context-menu-item">'+d+"</li>"),o===a-1||u<c-1||r.push('<li id="'+A.id+'" class="xeokit-context-menu-item-separator"></li>'))}}r.push("</ul>"),r.push("</div>");var p=r.join("");document.body.insertAdjacentHTML("beforeend",p);var f=document.querySelector("."+e.id);e.menuElement=f,f.style["border-radius"]="4px",f.style.display="none",f.style["z-index"]=3e5,f.style.background="white",f.style.border="1px solid black",f.style["box-shadow"]="0 4px 5px 0 gray",f.oncontextmenu=function(e){e.preventDefault()};var v=this,g=null;if(i)for(var m=0,_=i.length;m<_;m++){var y=i[m].items;if(y)for(var b=function(e,i){var r=y[e],s=r.subMenu;if(r.itemElement=document.getElementById(r.id),!r.itemElement)return console.error("ContextMenu item element not found: "+r.id),"continue";r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault();var t=r.subMenu;if(t){if(g&&g.id!==t.id&&(v._hideMenu(g.id),g=null),!1!==r.enabled){var i=r.itemElement,s=t.menuElement,n=i.getBoundingClientRect();s.getBoundingClientRect();var o=200,a=n.right+o<window.innerWidth,l=n.left-o>0;if(a)v._showMenu(t.id,n.right-5,n.top-1);else if(l)v._showMenu(t.id,n.left-o,n.top-1);else{var u=n.left,c=window.innerWidth-n.right;c>u?v._showMenu(t.id,n.right-5-(o-c),n.top-1):v._showMenu(t.id,n.left-u,n.top-1)}g=t}}else g&&(v._hideMenu(g.id),g=null)})),s||(r.itemElement.addEventListener("click",(function(e){e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus()))})),r.itemElement.addEventListener("mouseup",(function(e){3===e.which&&(e.preventDefault(),v._context&&!1!==r.enabled&&(r.doAction&&r.doAction(v._context),t._hideOnAction?v.hide():(v._updateItemsTitles(),v._updateItemsEnabledStatus())))})),r.itemElement.addEventListener("mouseenter",(function(e){e.preventDefault(),!1!==r.enabled&&r.doHover&&r.doHover(v._context)})))},B=0,w=y.length;B<w;B++)b(B)}}},{key:"_updateItemsTitles",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getShown;if(s&&s(this._context)){var n=i.getTitle(this._context);i.subMenu,r.innerText=n}}}}},{key:"_updateItemsEnabledStatus",value:function(){if(this._context)for(var e=0,t=this._itemList.length;e<t;e++){var i=this._itemList[e],r=i.itemElement;if(r){var s=i.getEnabled;if(s){var n=i.getShown;if(n){var o=n(this._context);if(i.shown=o,o){r.style.display="";var a=s(this._context);i.enabled=a,a?r.classList.remove("disabled"):r.classList.add("disabled")}else r.style.display="none"}}}}}},{key:"_updateSubMenuInfo",value:function(){var e,t,i,r,s,n;this._context&&this._itemList.forEach((function(o){o.subMenu&&(e=o.itemElement,t=e.getBoundingClientRect(),i=o.subMenu.menuElement,r={visibility:i.style.visibility,display:i.style.display},i.style.display="block",i.style.visibility="hidden",n=o.subMenu.menuElement.getBoundingClientRect().width,i.style.visibility=r.visibility,i.style.display=r.display,s=t.right+n>window.innerWidth,e.setAttribute("data-submenuposition",s?"left":"right"))}))}},{key:"_showMenu",value:function(e,t,i){var r=this._menuMap[e];if(r){if(!r.shown){var s=r.menuElement;s&&(this._showMenuElement(s,t,i),r.shown=!0)}}else console.error("Menu not found: "+e)}},{key:"_hideMenu",value:function(e){var t=this._menuMap[e];if(t){if(t.shown){var i=t.menuElement;i&&(this._hideMenuElement(i),t.shown=!1)}}else console.error("Menu not found: "+e)}},{key:"_hideAllMenus",value:function(){for(var e=0,t=this._menuList.length;e<t;e++){var i=this._menuList[e];this._hideMenu(i.id)}}},{key:"_showMenuElement",value:function(e,t,i){e.style.display="block";var r=e.offsetHeight,s=e.offsetWidth;i+r>window.innerHeight&&(i=window.innerHeight-r),t+s>window.innerWidth&&(t=window.innerWidth-s),e.style.left=t+"px",e.style.top=i+"px"}},{key:"_hideMenuElement",value:function(e){e.style.display="none"}}]),e}(),Y=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this.viewer=t,this.scene=this.viewer.scene,this._lensCursorDiv=document.createElement("div"),this._lensParams={canvasSize:300,cursorBorder:2,cursorSize:10},this._lensCursorDiv.style.borderRadius="50%",this._lensCursorDiv.style.width=this._lensParams.cursorSize+"px",this._lensCursorDiv.style.height=this._lensParams.cursorSize+"px",this._lensCursorDiv.style.zIndex="100000",this._lensCursorDiv.style.position="absolute",this._lensCursorDiv.style.pointerEvents="none",this._lensContainer=document.createElement("div"),this._lensContainerId=r.containerId||"xeokit-lens",this._lensContainer.setAttribute("id",this._lensContainerId),this._lensContainer.style.border="1px solid black",this._lensContainer.style.background="white",this._lensContainer.style.borderRadius="50%",this._lensContainer.style.width=this._lensParams.canvasSize+"px",this._lensContainer.style.height=this._lensParams.canvasSize+"px",this._lensContainer.style.zIndex="15000",this._lensContainer.style.position="absolute",this._lensContainer.style.pointerEvents="none",this._lensContainer.style.visibility="hidden",this._lensCanvas=document.createElement("canvas"),this._lensCanvas.id="".concat(this._lensContainerId,"-canvas"),this._lensCanvas.style.borderRadius="50%",this._lensCanvas.style.width=this._lensParams.canvasSize+"px",this._lensCanvas.style.height=this._lensParams.canvasSize+"px",this._lensCanvas.style.zIndex="15000",this._lensCanvas.style.pointerEvents="none",document.body.appendChild(this._lensContainer),this._lensContainer.appendChild(this._lensCanvas),this._lensContainer.appendChild(this._lensCursorDiv),this._lensCanvasContext=this._lensCanvas.getContext("2d"),this._canvasElement=this.viewer.scene.canvas.canvas,this._canvasPos=null,this._snappedCanvasPos=null,this._lensPosToggle=r.lensPosToggle||!0,this._lensPosToggleAmount=r.lensPosToggleAmount||85,this._lensPosMarginLeft=r.lensPosMarginLeft||85,this._lensPosMarginTop=r.lensPosMarginTop||25,this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),this._zoomLevel=r.zoomLevel||2,this._active=!1!==r.active,this._visible=!1,this.snapped=!1,this._onViewerRendering=this.viewer.scene.on("rendering",(function(){i._active&&i._visible&&i.update()}))}return C(e,[{key:"update",value:function(){if(this._active&&this._visible&&this._canvasPos){var e=this._lensContainer.getBoundingClientRect(),t=this._canvasElement.getBoundingClientRect(),i=this._canvasPos[0]<e.right&&this._canvasPos[0]>e.left&&this._canvasPos[1]<e.bottom&&this._canvasPos[1]>e.top;this._lensContainer.style.marginLeft="".concat(this._lensPosMarginLeft,"px"),i&&(this._lensPosToggle?this._lensContainer.style.marginTop="".concat(t.bottom-t.top-this._lensCanvas.height-this._lensPosToggleAmount,"px"):this._lensContainer.style.marginTop="".concat(this._lensPosMarginTop,"px"),this._lensPosToggle=!this._lensPosToggle),this._lensCanvasContext.clearRect(0,0,this._lensCanvas.width,this._lensCanvas.height);var r=Math.max(this._lensCanvas.width,this._lensCanvas.height)/this._zoomLevel;this._lensCanvasContext.drawImage(this._canvasElement,this._canvasPos[0]-r/2,this._canvasPos[1]-r/2,r,r,0,0,this._lensCanvas.width,this._lensCanvas.height);var s=this._lensParams.canvasSize/2-this._lensParams.cursorSize/2-this._lensParams.cursorBorder,n=this._snappedCanvasPos?this._snappedCanvasPos[0]-this._canvasPos[0]:0,o=this._snappedCanvasPos?this._snappedCanvasPos[1]-this._canvasPos[1]:0;this._lensCursorDiv.style.left="".concat(s+n*this._zoomLevel,"px"),this._lensCursorDiv.style.top="".concat(s+o*this._zoomLevel,"px")}}},{key:"zoomFactor",get:function(){return this._zoomFactor},set:function(e){this._zoomFactor=e,this.update()}},{key:"canvasPos",get:function(){return this._canvasPos},set:function(e){this._canvasPos=e,this.update()}},{key:"snappedCanvasPos",get:function(){return this._snappedCanvasPos},set:function(e){this._snappedCanvasPos=e,this.update()}},{key:"snapped",get:function(){return this._snapped},set:function(e){this._snapped=e;var t=b(e?["greenyellow","green"]:["pink","red"],2),i=t[0],r=t[1];this._lensCursorDiv.style.background=i,this._lensCursorDiv.style.border=this._lensParams.cursorBorder+"px solid "+r}},{key:"_updateActiveVisible",value:function(){this._lensContainer.style.visibility=this._active&&this._visible?"visible":"hidden",this.update()}},{key:"active",get:function(){return this._active},set:function(e){this._active=e,this._updateActiveVisible()}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=e,this._updateActiveVisible()}},{key:"destroy",value:function(){this._destroyed||(this.viewer.scene.off(this._onViewerRendering),this._lensContainer.removeChild(this._lensCanvas),document.body.removeChild(this._lensContainer),this._destroyed=!0)}}]),e}(),Z=!0,q=Z?Float64Array:Float32Array,$=new q(3),ee=new q(16),te=new q(16),ie=new q(4),re={setDoublePrecisionEnabled:function(e){q=(Z=e)?Float64Array:Float32Array},getDoublePrecisionEnabled:function(){return Z},MIN_DOUBLE:-Number.MAX_SAFE_INTEGER,MAX_DOUBLE:Number.MAX_SAFE_INTEGER,MAX_INT:1e7,DEGTORAD:.0174532925,RADTODEG:57.295779513,unglobalizeObjectId:function(e,t){var i=t.indexOf("#");return i===e.length&&t.startsWith(e)?t.substring(i+1):t},globalizeObjectId:function(e,t){return e+"#"+t},safeInv:function(e){var t=1/e;return isNaN(t)||!isFinite(t)?1:t},vec2:function(e){return new q(e||2)},vec3:function(e){return new q(e||3)},vec4:function(e){return new q(e||4)},mat3:function(e){return new q(e||9)},mat3ToMat4:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:new q(16);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=0,t[4]=e[3],t[5]=e[4],t[6]=e[5],t[7]=0,t[8]=e[6],t[9]=e[7],t[10]=e[8],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},mat4:function(e){return new q(e||16)},mat4ToMat3:function(e,t){},doublesToFloats:function(e,t,i){for(var r=new q(2),s=0,n=e.length;s<n;s++)re.splitDouble(e[s],r),t[s]=r[0],i[s]=r[1]},splitDouble:function(e,t){var i=q.from([e])[0],r=e-i;t[0]=i,t[1]=r},createUUID:function(){for(var e=[],t=0;t<256;t++)e[t]=(t<16?"0":"")+t.toString(16);return function(){var t=4294967295*Math.random()|0,i=4294967295*Math.random()|0,r=4294967295*Math.random()|0,s=4294967295*Math.random()|0;return"".concat(e[255&t]+e[t>>8&255]+e[t>>16&255]+e[t>>24&255],"-").concat(e[255&i]).concat(e[i>>8&255],"-").concat(e[i>>16&15|64]).concat(e[i>>24&255],"-").concat(e[63&r|128]).concat(e[r>>8&255],"-").concat(e[r>>16&255]).concat(e[r>>24&255]).concat(e[255&s]).concat(e[s>>8&255]).concat(e[s>>16&255]).concat(e[s>>24&255])}}(),clamp:function(e,t,i){return Math.max(t,Math.min(i,e))},fmod:function(e,t){if(e<t)return console.error("math.fmod : Attempting to find modulus within negative range - would be infinite loop - ignoring"),e;for(;t<=e;)e-=t;return e},compareVec3:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]},negateVec3:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t},negateVec4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t},addVec4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i},addVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i},addVec3:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i},addVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i},subVec4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i},subVec3:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i},subVec2:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i},geometricMeanVec2:function(){for(var e=arguments.length,t=new Array(e),i=0;i<e;i++)t[i]=arguments[i];for(var r=new q(t[0]),s=1;s<t.length;s++)r[0]+=t[s][0],r[1]+=t[s][1];return r[0]/=t.length,r[1]/=t.length,r},subVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i},subScalarVec4:function(e,t,i){return i||(i=e),i[0]=t-e[0],i[1]=t-e[1],i[2]=t-e[2],i[3]=t-e[3],i},mulVec4:function(e,t,i){return i||(i=e),i[0]=e[0]*t[0],i[1]=e[1]*t[1],i[2]=e[2]*t[2],i[3]=e[3]*t[3],i},mulVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i},mulVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i},mulVec2Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i},divVec3:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i},divVec4:function(e,t,i){return i||(i=e),i[0]=e[0]/t[0],i[1]=e[1]/t[1],i[2]=e[2]/t[2],i[3]=e[3]/t[3],i},divScalarVec3:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i},divVec3Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i},divVec4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]/t,i[1]=e[1]/t,i[2]=e[2]/t,i[3]=e[3]/t,i},divScalarVec4:function(e,t,i){return i||(i=t),i[0]=e/t[0],i[1]=e/t[1],i[2]=e/t[2],i[3]=e/t[3],i},dotVec4:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3]},cross3Vec4:function(e,t){var i=e[0],r=e[1],s=e[2],n=t[0],o=t[1],a=t[2];return[r*a-s*o,s*n-i*a,i*o-r*n,0]},cross3Vec3:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=t[0],a=t[1],l=t[2];return i[0]=s*l-n*a,i[1]=n*o-r*l,i[2]=r*a-s*o,i},sqLenVec4:function(e){return re.dotVec4(e,e)},lenVec4:function(e){return Math.sqrt(re.sqLenVec4(e))},dotVec3:function(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]},dotVec2:function(e,t){return e[0]*t[0]+e[1]*t[1]},sqLenVec3:function(e){return re.dotVec3(e,e)},sqLenVec2:function(e){return re.dotVec2(e,e)},lenVec3:function(e){return Math.sqrt(re.sqLenVec3(e))},distVec3:(j=new q(3),function(e,t){return re.lenVec3(re.subVec3(e,t,j))}),lenVec2:function(e){return Math.sqrt(re.sqLenVec2(e))},distVec2:function(){var e=new q(2);return function(t,i){return re.lenVec2(re.subVec2(t,i,e))}}(),rcpVec3:function(e,t){return re.divScalarVec3(1,e,t)},normalizeVec4:function(e,t){var i=1/re.lenVec4(e);return re.mulVec4Scalar(e,i,t)},normalizeVec3:function(e,t){var i=1/re.lenVec3(e);return re.mulVec3Scalar(e,i,t)},normalizeVec2:function(e,t){var i=1/re.lenVec2(e);return re.mulVec2Scalar(e,i,t)},angleVec3:function(e,t){var i=re.dotVec3(e,t)/Math.sqrt(re.sqLenVec3(e)*re.sqLenVec3(t));return i=i<-1?-1:i>1?1:i,Math.acos(i)},vec3FromMat4Scale:function(){var e=new q(3);return function(t,i){return e[0]=t[0],e[1]=t[1],e[2]=t[2],i[0]=re.lenVec3(e),e[0]=t[4],e[1]=t[5],e[2]=t[6],i[1]=re.lenVec3(e),e[0]=t[8],e[1]=t[9],e[2]=t[10],i[2]=re.lenVec3(e),i}}(),vecToArray:function(){function e(e){return Math.round(1e5*e)/1e5}return function(t){for(var i=0,r=(t=Array.prototype.slice.call(t)).length;i<r;i++)t[i]=e(t[i]);return t}}(),xyzArrayToObject:function(e){return{x:e[0],y:e[1],z:e[2]}},xyzObjectToArray:function(e,t){return(t=t||re.vec3())[0]=e.x,t[1]=e.y,t[2]=e.z,t},dupMat4:function(e){return e.slice(0,16)},mat4To3:function(e){return[e[0],e[1],e[2],e[4],e[5],e[6],e[8],e[9],e[10]]},m4s:function(e){return[e,e,e,e,e,e,e,e,e,e,e,e,e,e,e,e]},setMat4ToZeroes:function(){return re.m4s(0)},setMat4ToOnes:function(){return re.m4s(1)},diagonalMat4v:function(e){return new q([e[0],0,0,0,0,e[1],0,0,0,0,e[2],0,0,0,0,e[3]])},diagonalMat4c:function(e,t,i,r){return re.diagonalMat4v([e,t,i,r])},diagonalMat4s:function(e){return re.diagonalMat4c(e,e,e,e)},identityMat4:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(16);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e},identityMat3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:new q(9);return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e},isIdentityMat4:function(e){return 1===e[0]&&0===e[1]&&0===e[2]&&0===e[3]&&0===e[4]&&1===e[5]&&0===e[6]&&0===e[7]&&0===e[8]&&0===e[9]&&1===e[10]&&0===e[11]&&0===e[12]&&0===e[13]&&0===e[14]&&1===e[15]},negateMat4:function(e,t){return t||(t=e),t[0]=-e[0],t[1]=-e[1],t[2]=-e[2],t[3]=-e[3],t[4]=-e[4],t[5]=-e[5],t[6]=-e[6],t[7]=-e[7],t[8]=-e[8],t[9]=-e[9],t[10]=-e[10],t[11]=-e[11],t[12]=-e[12],t[13]=-e[13],t[14]=-e[14],t[15]=-e[15],t},addMat4:function(e,t,i){return i||(i=e),i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i[3]=e[3]+t[3],i[4]=e[4]+t[4],i[5]=e[5]+t[5],i[6]=e[6]+t[6],i[7]=e[7]+t[7],i[8]=e[8]+t[8],i[9]=e[9]+t[9],i[10]=e[10]+t[10],i[11]=e[11]+t[11],i[12]=e[12]+t[12],i[13]=e[13]+t[13],i[14]=e[14]+t[14],i[15]=e[15]+t[15],i},addMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]+t,i[1]=e[1]+t,i[2]=e[2]+t,i[3]=e[3]+t,i[4]=e[4]+t,i[5]=e[5]+t,i[6]=e[6]+t,i[7]=e[7]+t,i[8]=e[8]+t,i[9]=e[9]+t,i[10]=e[10]+t,i[11]=e[11]+t,i[12]=e[12]+t,i[13]=e[13]+t,i[14]=e[14]+t,i[15]=e[15]+t,i},addScalarMat4:function(e,t,i){return re.addMat4Scalar(t,e,i)},subMat4:function(e,t,i){return i||(i=e),i[0]=e[0]-t[0],i[1]=e[1]-t[1],i[2]=e[2]-t[2],i[3]=e[3]-t[3],i[4]=e[4]-t[4],i[5]=e[5]-t[5],i[6]=e[6]-t[6],i[7]=e[7]-t[7],i[8]=e[8]-t[8],i[9]=e[9]-t[9],i[10]=e[10]-t[10],i[11]=e[11]-t[11],i[12]=e[12]-t[12],i[13]=e[13]-t[13],i[14]=e[14]-t[14],i[15]=e[15]-t[15],i},subMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]-t,i[1]=e[1]-t,i[2]=e[2]-t,i[3]=e[3]-t,i[4]=e[4]-t,i[5]=e[5]-t,i[6]=e[6]-t,i[7]=e[7]-t,i[8]=e[8]-t,i[9]=e[9]-t,i[10]=e[10]-t,i[11]=e[11]-t,i[12]=e[12]-t,i[13]=e[13]-t,i[14]=e[14]-t,i[15]=e[15]-t,i},subScalarMat4:function(e,t,i){return i||(i=t),i[0]=e-t[0],i[1]=e-t[1],i[2]=e-t[2],i[3]=e-t[3],i[4]=e-t[4],i[5]=e-t[5],i[6]=e-t[6],i[7]=e-t[7],i[8]=e-t[8],i[9]=e-t[9],i[10]=e-t[10],i[11]=e-t[11],i[12]=e-t[12],i[13]=e-t[13],i[14]=e-t[14],i[15]=e-t[15],i},mulMat4:function(e,t,i){i||(i=e);var r=e[0],s=e[1],n=e[2],o=e[3],a=e[4],l=e[5],u=e[6],c=e[7],A=e[8],h=e[9],d=e[10],p=e[11],f=e[12],v=e[13],g=e[14],m=e[15],_=t[0],y=t[1],b=t[2],B=t[3],w=t[4],P=t[5],x=t[6],C=t[7],M=t[8],E=t[9],F=t[10],k=t[11],I=t[12],D=t[13],S=t[14],T=t[15];return i[0]=_*r+y*a+b*A+B*f,i[1]=_*s+y*l+b*h+B*v,i[2]=_*n+y*u+b*d+B*g,i[3]=_*o+y*c+b*p+B*m,i[4]=w*r+P*a+x*A+C*f,i[5]=w*s+P*l+x*h+C*v,i[6]=w*n+P*u+x*d+C*g,i[7]=w*o+P*c+x*p+C*m,i[8]=M*r+E*a+F*A+k*f,i[9]=M*s+E*l+F*h+k*v,i[10]=M*n+E*u+F*d+k*g,i[11]=M*o+E*c+F*p+k*m,i[12]=I*r+D*a+S*A+T*f,i[13]=I*s+D*l+S*h+T*v,i[14]=I*n+D*u+S*d+T*g,i[15]=I*o+D*c+S*p+T*m,i},mulMat3:function(e,t,i){i||(i=new q(9));var r=e[0],s=e[3],n=e[6],o=e[1],a=e[4],l=e[7],u=e[2],c=e[5],A=e[8],h=t[0],d=t[3],p=t[6],f=t[1],v=t[4],g=t[7],m=t[2],_=t[5],y=t[8];return i[0]=r*h+s*f+n*m,i[3]=r*d+s*v+n*_,i[6]=r*p+s*g+n*y,i[1]=o*h+a*f+l*m,i[4]=o*d+a*v+l*_,i[7]=o*p+a*g+l*y,i[2]=u*h+c*f+A*m,i[5]=u*d+c*v+A*_,i[8]=u*p+c*g+A*y,i},mulMat4Scalar:function(e,t,i){return i||(i=e),i[0]=e[0]*t,i[1]=e[1]*t,i[2]=e[2]*t,i[3]=e[3]*t,i[4]=e[4]*t,i[5]=e[5]*t,i[6]=e[6]*t,i[7]=e[7]*t,i[8]=e[8]*t,i[9]=e[9]*t,i[10]=e[10]*t,i[11]=e[11]*t,i[12]=e[12]*t,i[13]=e[13]*t,i[14]=e[14]*t,i[15]=e[15]*t,i},mulMat4v4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=t[0],s=t[1],n=t[2],o=t[3];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},transposeMat4:function(e,t){var i=e[4],r=e[14],s=e[8],n=e[13],o=e[12],a=e[9];if(!t||e===t){var l=e[1],u=e[2],c=e[3],A=e[6],h=e[7],d=e[11];return e[1]=i,e[2]=s,e[3]=o,e[4]=l,e[6]=a,e[7]=n,e[8]=u,e[9]=A,e[11]=r,e[12]=c,e[13]=h,e[14]=d,e}return t[0]=e[0],t[1]=i,t[2]=s,t[3]=o,t[4]=e[1],t[5]=e[5],t[6]=a,t[7]=n,t[8]=e[2],t[9]=e[6],t[10]=e[10],t[11]=r,t[12]=e[3],t[13]=e[7],t[14]=e[11],t[15]=e[15],t},transposeMat3:function(e,t){if(t===e){var i=e[1],r=e[2],s=e[5];t[1]=e[3],t[2]=e[6],t[3]=i,t[5]=e[7],t[6]=r,t[7]=s}else t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8];return t},determinantMat4:function(e){var t=e[0],i=e[1],r=e[2],s=e[3],n=e[4],o=e[5],a=e[6],l=e[7],u=e[8],c=e[9],A=e[10],h=e[11],d=e[12],p=e[13],f=e[14],v=e[15];return d*c*a*s-u*p*a*s-d*o*A*s+n*p*A*s+u*o*f*s-n*c*f*s-d*c*r*l+u*p*r*l+d*i*A*l-t*p*A*l-u*i*f*l+t*c*f*l+d*o*r*h-n*p*r*h-d*i*a*h+t*p*a*h+n*i*f*h-t*o*f*h-u*o*r*v+n*c*r*v+u*i*a*v-t*c*a*v-n*i*A*v+t*o*A*v},inverseMat4:function(e,t){t||(t=e);var i=e[0],r=e[1],s=e[2],n=e[3],o=e[4],a=e[5],l=e[6],u=e[7],c=e[8],A=e[9],h=e[10],d=e[11],p=e[12],f=e[13],v=e[14],g=e[15],m=i*a-r*o,_=i*l-s*o,y=i*u-n*o,b=r*l-s*a,B=r*u-n*a,w=s*u-n*l,P=c*f-A*p,x=c*v-h*p,C=c*g-d*p,M=A*v-h*f,E=A*g-d*f,F=h*g-d*v,k=1/(m*F-_*E+y*M+b*C-B*x+w*P);return t[0]=(a*F-l*E+u*M)*k,t[1]=(-r*F+s*E-n*M)*k,t[2]=(f*w-v*B+g*b)*k,t[3]=(-A*w+h*B-d*b)*k,t[4]=(-o*F+l*C-u*x)*k,t[5]=(i*F-s*C+n*x)*k,t[6]=(-p*w+v*y-g*_)*k,t[7]=(c*w-h*y+d*_)*k,t[8]=(o*E-a*C+u*P)*k,t[9]=(-i*E+r*C-n*P)*k,t[10]=(p*B-f*y+g*m)*k,t[11]=(-c*B+A*y-d*m)*k,t[12]=(-o*M+a*x-l*P)*k,t[13]=(i*M-r*x+s*P)*k,t[14]=(-p*b+f*_-v*m)*k,t[15]=(c*b-A*_+h*m)*k,t},traceMat4:function(e){return e[0]+e[5]+e[10]+e[15]},translationMat4v:function(e,t){var i=t||re.identityMat4();return i[12]=e[0],i[13]=e[1],i[14]=e[2],i},translationMat3v:function(e,t){var i=t||re.identityMat3();return i[6]=e[0],i[7]=e[1],i},translationMat4c:(H=new q(3),function(e,t,i,r){return H[0]=e,H[1]=t,H[2]=i,re.translationMat4v(H,r)}),translationMat4s:function(e,t){return re.translationMat4c(e,e,e,t)},translateMat4v:function(e,t){return re.translateMat4c(e[0],e[1],e[2],t)},translateMat4c:function(e,t,i,r){var s=r[3];r[0]+=s*e,r[1]+=s*t,r[2]+=s*i;var n=r[7];r[4]+=n*e,r[5]+=n*t,r[6]+=n*i;var o=r[11];r[8]+=o*e,r[9]+=o*t,r[10]+=o*i;var a=r[15];return r[12]+=a*e,r[13]+=a*t,r[14]+=a*i,r},setMat4Translation:function(e,t,i){return i[0]=e[0],i[1]=e[1],i[2]=e[2],i[3]=e[3],i[4]=e[4],i[5]=e[5],i[6]=e[6],i[7]=e[7],i[8]=e[8],i[9]=e[9],i[10]=e[10],i[11]=e[11],i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=e[15],i},rotationMat4v:function(e,t,i){var r,s,n,o,a,l,u=re.normalizeVec4([t[0],t[1],t[2],0],[]),c=Math.sin(e),A=Math.cos(e),h=1-A,d=u[0],p=u[1],f=u[2];return r=d*p,s=p*f,n=f*d,o=d*c,a=p*c,l=f*c,(i=i||re.mat4())[0]=h*d*d+A,i[1]=h*r+l,i[2]=h*n-a,i[3]=0,i[4]=h*r-l,i[5]=h*p*p+A,i[6]=h*s+o,i[7]=0,i[8]=h*n+a,i[9]=h*s-o,i[10]=h*f*f+A,i[11]=0,i[12]=0,i[13]=0,i[14]=0,i[15]=1,i},rotationMat4c:function(e,t,i,r,s){return re.rotationMat4v(e,[t,i,r],s)},scalingMat4v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat4();return t[0]=e[0],t[5]=e[1],t[10]=e[2],t},scalingMat3v:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.identityMat3();return t[0]=e[0],t[4]=e[1],t},scalingMat4c:function(){var e=new q(3);return function(t,i,r,s){return e[0]=t,e[1]=i,e[2]=r,re.scalingMat4v(e,s)}}(),scaleMat4c:function(e,t,i,r){return r[0]*=e,r[4]*=t,r[8]*=i,r[1]*=e,r[5]*=t,r[9]*=i,r[2]*=e,r[6]*=t,r[10]*=i,r[3]*=e,r[7]*=t,r[11]*=i,r},scaleMat4v:function(e,t){var i=e[0],r=e[1],s=e[2];return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,t},scalingMat4s:function(e){return re.scalingMat4c(e,e,e)},rotationTranslationMat4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.mat4(),r=e[0],s=e[1],n=e[2],o=e[3],a=r+r,l=s+s,u=n+n,c=r*a,A=r*l,h=r*u,d=s*l,p=s*u,f=n*u,v=o*a,g=o*l,m=o*u;return i[0]=1-(d+f),i[1]=A+m,i[2]=h-g,i[3]=0,i[4]=A-m,i[5]=1-(c+f),i[6]=p+v,i[7]=0,i[8]=h+g,i[9]=p-v,i[10]=1-(c+d),i[11]=0,i[12]=t[0],i[13]=t[1],i[14]=t[2],i[15]=1,i},mat4ToEuler:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=re.clamp,s=e[0],n=e[4],o=e[8],a=e[1],l=e[5],u=e[9],c=e[2],A=e[6],h=e[10];return"XYZ"===t?(i[1]=Math.asin(r(o,-1,1)),Math.abs(o)<.99999?(i[0]=Math.atan2(-u,h),i[2]=Math.atan2(-n,s)):(i[0]=Math.atan2(A,l),i[2]=0)):"YXZ"===t?(i[0]=Math.asin(-r(u,-1,1)),Math.abs(u)<.99999?(i[1]=Math.atan2(o,h),i[2]=Math.atan2(a,l)):(i[1]=Math.atan2(-c,s),i[2]=0)):"ZXY"===t?(i[0]=Math.asin(r(A,-1,1)),Math.abs(A)<.99999?(i[1]=Math.atan2(-c,h),i[2]=Math.atan2(-n,l)):(i[1]=0,i[2]=Math.atan2(a,s))):"ZYX"===t?(i[1]=Math.asin(-r(c,-1,1)),Math.abs(c)<.99999?(i[0]=Math.atan2(A,h),i[2]=Math.atan2(a,s)):(i[0]=0,i[2]=Math.atan2(-n,l))):"YZX"===t?(i[2]=Math.asin(r(a,-1,1)),Math.abs(a)<.99999?(i[0]=Math.atan2(-u,l),i[1]=Math.atan2(-c,s)):(i[0]=0,i[1]=Math.atan2(o,h))):"XZY"===t&&(i[2]=Math.asin(-r(n,-1,1)),Math.abs(n)<.99999?(i[0]=Math.atan2(A,l),i[1]=Math.atan2(o,s)):(i[0]=Math.atan2(-u,h),i[1]=0)),i},composeMat4:function(e,t,i){var r=arguments.length>3&&void 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p===y&&f===b&&v===B?re.identityMat4():(s=p-y,n=f-b,o=v-B,a=m*(o*=d=1/Math.sqrt(s*s+n*n+o*o))-_*(n*=d),l=_*(s*=d)-g*o,u=g*n-m*s,(d=Math.sqrt(a*a+l*l+u*u))?(a*=d=1/d,l*=d,u*=d):(a=0,l=0,u=0),c=n*u-o*l,A=o*a-s*u,h=s*l-n*a,(d=Math.sqrt(c*c+A*A+h*h))?(c*=d=1/d,A*=d,h*=d):(c=0,A=0,h=0),r[0]=a,r[1]=c,r[2]=s,r[3]=0,r[4]=l,r[5]=A,r[6]=n,r[7]=0,r[8]=u,r[9]=h,r[10]=o,r[11]=0,r[12]=-(a*p+l*f+u*v),r[13]=-(c*p+A*f+h*v),r[14]=-(s*p+n*f+o*v),r[15]=1,r)},lookAtMat4c:function(e,t,i,r,s,n,o,a,l){return re.lookAtMat4v([e,t,i],[r,s,n],[o,a,l],[])},orthoMat4c:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2/l,o[6]=0,o[7]=0,o[8]=0,o[9]=0,o[10]=-2/u,o[11]=0,o[12]=-(e+t)/a,o[13]=-(r+i)/l,o[14]=-(n+s)/u,o[15]=1,o},frustumMat4v:function(e,t,i){i||(i=re.mat4());var r=[e[0],e[1],e[2],0],s=[t[0],t[1],t[2],0];re.addVec4(s,r,ee),re.subVec4(s,r,te);var n=2*r[2],o=te[0],a=te[1],l=te[2];return i[0]=n/o,i[1]=0,i[2]=0,i[3]=0,i[4]=0,i[5]=n/a,i[6]=0,i[7]=0,i[8]=ee[0]/o,i[9]=ee[1]/a,i[10]=-ee[2]/l,i[11]=-1,i[12]=0,i[13]=0,i[14]=-n*s[2]/l,i[15]=0,i},frustumMat4:function(e,t,i,r,s,n,o){o||(o=re.mat4());var a=t-e,l=r-i,u=n-s;return o[0]=2*s/a,o[1]=0,o[2]=0,o[3]=0,o[4]=0,o[5]=2*s/l,o[6]=0,o[7]=0,o[8]=(t+e)/a,o[9]=(r+i)/l,o[10]=-(n+s)/u,o[11]=-1,o[12]=0,o[13]=0,o[14]=-n*s*2/u,o[15]=0,o},perspectiveMat4:function(e,t,i,r,s){var n=[],o=[];return n[2]=i,o[2]=r,o[1]=n[2]*Math.tan(e/2),n[1]=-o[1],o[0]=o[1]*t,n[0]=-o[0],re.frustumMat4v(n,o,s)},compareMat4:function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]&&e[4]===t[4]&&e[5]===t[5]&&e[6]===t[6]&&e[7]===t[7]&&e[8]===t[8]&&e[9]===t[9]&&e[10]===t[10]&&e[11]===t[11]&&e[12]===t[12]&&e[13]===t[13]&&e[14]===t[14]&&e[15]===t[15]},transformPoint3:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec3(),r=t[0],s=t[1],n=t[2];return i[0]=e[0]*r+e[4]*s+e[8]*n+e[12],i[1]=e[1]*r+e[5]*s+e[9]*n+e[13],i[2]=e[2]*r+e[6]*s+e[10]*n+e[14],i},transformPoint4:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4();return i[0]=e[0]*t[0]+e[4]*t[1]+e[8]*t[2]+e[12]*t[3],i[1]=e[1]*t[0]+e[5]*t[1]+e[9]*t[2]+e[13]*t[3],i[2]=e[2]*t[0]+e[6]*t[1]+e[10]*t[2]+e[14]*t[3],i[3]=e[3]*t[0]+e[7]*t[1]+e[11]*t[2]+e[15]*t[3],i},transformPoints3:function(e,t,i){for(var r,s,n,o,a,l=i||[],u=t.length,c=e[0],A=e[1],h=e[2],d=e[3],p=e[4],f=e[5],v=e[6],g=e[7],m=e[8],_=e[9],y=e[10],b=e[11],B=e[12],w=e[13],P=e[14],x=e[15],C=0;C<u;++C)r=(o=t[C])[0],s=o[1],n=o[2],(a=l[C]||(l[C]=[0,0,0]))[0]=c*r+p*s+m*n+B,a[1]=A*r+f*s+_*n+w,a[2]=h*r+v*s+y*n+P,a[3]=d*r+g*s+b*n+x;return l.length=u,l},transformPositions3:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2];e[3];var A=e[4],h=e[5],d=e[6];e[7];var p=e[8],f=e[9],v=e[10];e[11];var g=e[12],m=e[13],_=e[14];for(e[15],i=0;i<a;i+=3)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+A*s+p*n+g,o[i+1]=u*r+h*s+f*n+m,o[i+2]=c*r+d*s+v*n+_;return o},transformPositions4:function(e,t){var i,r,s,n,o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:t,a=t.length,l=e[0],u=e[1],c=e[2],A=e[3],h=e[4],d=e[5],p=e[6],f=e[7],v=e[8],g=e[9],m=e[10],_=e[11],y=e[12],b=e[13],B=e[14],w=e[15];for(i=0;i<a;i+=4)r=t[i+0],s=t[i+1],n=t[i+2],o[i+0]=l*r+h*s+v*n+y,o[i+1]=u*r+d*s+g*n+b,o[i+2]=c*r+p*s+m*n+B,o[i+3]=A*r+f*s+_*n+w;return o},transformVec3:function(e,t,i){var r=t[0],s=t[1],n=t[2];return(i=i||this.vec3())[0]=e[0]*r+e[4]*s+e[8]*n,i[1]=e[1]*r+e[5]*s+e[9]*n,i[2]=e[2]*r+e[6]*s+e[10]*n,i},transformVec4:function(e,t,i){var r=t[0],s=t[1],n=t[2],o=t[3];return(i=i||re.vec4())[0]=e[0]*r+e[4]*s+e[8]*n+e[12]*o,i[1]=e[1]*r+e[5]*s+e[9]*n+e[13]*o,i[2]=e[2]*r+e[6]*s+e[10]*n+e[14]*o,i[3]=e[3]*r+e[7]*s+e[11]*n+e[15]*o,i},rotateVec2:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:e,s=Math.cos(i),n=Math.sin(i),o=e[0]-t[0],a=e[1]-t[1];return r[0]=o*s-a*n+t[0],r[1]=o*n+a*s+t[1],e},rotateVec3X:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0],n[1]=s[1]*Math.cos(i)-s[2]*Math.sin(i),n[2]=s[1]*Math.sin(i)+s[2]*Math.cos(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Y:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[2]*Math.sin(i)+s[0]*Math.cos(i),n[1]=s[1],n[2]=s[2]*Math.cos(i)-s[0]*Math.sin(i),r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},rotateVec3Z:function(e,t,i,r){var s=[],n=[];return s[0]=e[0]-t[0],s[1]=e[1]-t[1],s[2]=e[2]-t[2],n[0]=s[0]*Math.cos(i)-s[1]*Math.sin(i),n[1]=s[0]*Math.sin(i)+s[1]*Math.cos(i),n[2]=s[2],r[0]=n[0]+t[0],r[1]=n[1]+t[1],r[2]=n[2]+t[2],r},projectVec4:function(e,t){var i=1/e[3];return(t=t||re.vec2())[0]=e[0]*i,t[1]=e[1]*i,t},unprojectVec3:(N=new q(16),Q=new q(16),V=new q(16),function(e,t,i,r){return this.transformVec3(this.mulMat4(this.inverseMat4(t,N),this.inverseMat4(i,Q),V),e,r)}),lerpVec3:function(e,t,i,r,s,n){var o=n||re.vec3(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o},lerpMat4:function(e,t,i,r,s,n){var o=n||re.mat4(),a=(e-t)/(i-t);return o[0]=r[0]+a*(s[0]-r[0]),o[1]=r[1]+a*(s[1]-r[1]),o[2]=r[2]+a*(s[2]-r[2]),o[3]=r[3]+a*(s[3]-r[3]),o[4]=r[4]+a*(s[4]-r[4]),o[5]=r[5]+a*(s[5]-r[5]),o[6]=r[6]+a*(s[6]-r[6]),o[7]=r[7]+a*(s[7]-r[7]),o[8]=r[8]+a*(s[8]-r[8]),o[9]=r[9]+a*(s[9]-r[9]),o[10]=r[10]+a*(s[10]-r[10]),o[11]=r[11]+a*(s[11]-r[11]),o[12]=r[12]+a*(s[12]-r[12]),o[13]=r[13]+a*(s[13]-r[13]),o[14]=r[14]+a*(s[14]-r[14]),o[15]=r[15]+a*(s[15]-r[15]),o},flatten:function(e){var t,i,r,s,n,o=[];for(t=0,i=e.length;t<i;t++)for(r=0,s=(n=e[t]).length;r<s;r++)o.push(n[r]);return o},identityQuaternion:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.vec4();return e[0]=0,e[1]=0,e[2]=0,e[3]=1,e},eulerToQuaternion:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:re.vec4(),r=e[0]*re.DEGTORAD/2,s=e[1]*re.DEGTORAD/2,n=e[2]*re.DEGTORAD/2,o=Math.cos(r),a=Math.cos(s),l=Math.cos(n),u=Math.sin(r),c=Math.sin(s),A=Math.sin(n);return"XYZ"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l-u*c*A):"YXZ"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l+u*c*A):"ZXY"===t?(i[0]=u*a*l-o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l-u*c*A):"ZYX"===t?(i[0]=u*a*l-o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l+u*c*A):"YZX"===t?(i[0]=u*a*l+o*c*A,i[1]=o*c*l+u*a*A,i[2]=o*a*A-u*c*l,i[3]=o*a*l-u*c*A):"XZY"===t&&(i[0]=u*a*l-o*c*A,i[1]=o*c*l-u*a*A,i[2]=o*a*A+u*c*l,i[3]=o*a*l+u*c*A),i},mat4ToQuaternion:function(e){var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec4(),r=e[0],s=e[4],n=e[8],o=e[1],a=e[5],l=e[9],u=e[2],c=e[6],A=e[10],h=r+a+A;return 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n=re.subVec3(t,e,i),o=s[0]-r[0],a=r[3]-s[0],l=s[1]-r[1],u=r[4]-s[1],c=s[2]-r[2],A=r[5]-s[2];return n[0]+=o>a?o:a,n[1]+=l>u?l:u,n[2]+=c>A?c:A,Math.abs(re.lenVec3(n))}}(),getAABB3Area:function(e){return(e[3]-e[0])*(e[4]-e[1])*(e[5]-e[2])},getAABB3Center:function(e,t){var i=t||re.vec3();return i[0]=(e[0]+e[3])/2,i[1]=(e[1]+e[4])/2,i[2]=(e[2]+e[5])/2,i},getAABB2Center:function(e,t){var i=t||re.vec2();return i[0]=(e[2]+e[0])/2,i[1]=(e[3]+e[1])/2,i},collapseAABB3:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB3();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MAX_DOUBLE,e[3]=re.MIN_DOUBLE,e[4]=re.MIN_DOUBLE,e[5]=re.MIN_DOUBLE,e},AABB3ToOBB3:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.OBB3();return 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a=e.length/3;return t[0]=i/a,t[1]=r/a,t[2]=s/a,t},expandAABB3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e[4]<t[4]&&(e[4]=t[4]),e[5]<t[5]&&(e[5]=t[5]),e},expandAABB3Point3:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]>t[2]&&(e[2]=t[2]),e[3]<t[0]&&(e[3]=t[0]),e[4]<t[1]&&(e[4]=t[1]),e[5]<t[2]&&(e[5]=t[2]),e},expandAABB3Points3:function(e,t){for(var i,r,s,n=0,o=t.length;n<o;n+=3)i=t[n],r=t[n+1],s=t[n+2],e[0]>i&&(e[0]=i),e[1]>r&&(e[1]=r),e[2]>s&&(e[2]=s),e[3]<i&&(e[3]=i),e[4]<r&&(e[4]=r),e[5]<s&&(e[5]=s);return e},collapseAABB2:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:re.AABB2();return e[0]=re.MAX_DOUBLE,e[1]=re.MAX_DOUBLE,e[2]=re.MIN_DOUBLE,e[3]=re.MIN_DOUBLE,e},point3AABB3Intersect:function(e,t){return e[0]>t[0]||e[3]<t[0]||e[1]>t[1]||e[4]<t[1]||e[2]>t[2]||e[5]<t[2]},point3AABB3AbsoluteIntersect:function(e,t){return e[0]<=t[0]&&e[3]>=t[0]&&e[1]<=t[1]&&e[4]>=t[1]&&e[2]<=t[2]&&e[5]>=t[2]},planeAABB3Intersect:function(e,t,i){var r,s;return e[0]>0?(r=e[0]*i[0],s=e[0]*i[3]):(r=e[0]*i[3],s=e[0]*i[0]),e[1]>0?(r+=e[1]*i[1],s+=e[1]*i[4]):(r+=e[1]*i[4],s+=e[1]*i[1]),e[2]>0?(r+=e[2]*i[2],s+=e[2]*i[5]):(r+=e[2]*i[5],s+=e[2]*i[2]),r<=-t&&s<=-t?-1:r>=-t&&s>=-t?1:0},OBB3ToAABB2:function(e){for(var t,i,r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.AABB2(),n=re.MAX_DOUBLE,o=re.MAX_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE,u=0,c=e.length;u<c;u+=4)t=e[u+0],i=e[u+1],(t*=r=1/(e[u+3]||1))<n&&(n=t),(i*=r)<o&&(o=i),t>a&&(a=t),i>l&&(l=i);return s[0]=n,s[1]=o,s[2]=a,s[3]=l,s},expandAABB2:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[2]&&(e[2]=t[2]),e[3]<t[3]&&(e[3]=t[3]),e},expandAABB2Point2:function(e,t){return e[0]>t[0]&&(e[0]=t[0]),e[1]>t[1]&&(e[1]=t[1]),e[2]<t[0]&&(e[2]=t[0]),e[3]<t[1]&&(e[3]=t[1]),e},AABB2ToCanvas:function(e,t,i){var r=arguments.length>3&&void 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he.isString(e)||he.isNumeric(e)},isSameComponent:function(e,t){return!(!e||!t)&&(he.isNumeric(e)||he.isString(e)?"".concat(e):e.id)===(he.isNumeric(t)||he.isString(t)?"".concat(t):t.id)},isFunction:function(e){return"function"==typeof e},isObject:function(e){var t={}.constructor;return!!e&&e.constructor===t},copy:function(e){return he.apply(e,{})},apply:function(e,t){for(var i in e)e.hasOwnProperty(i)&&(t[i]=e[i]);return t},apply2:function(e,t){for(var i in e)e.hasOwnProperty(i)&&void 0!==e[i]&&null!==e[i]&&(t[i]=e[i]);return t},applyIf:function(e,t){for(var i in e)e.hasOwnProperty(i)&&(void 0!==t[i]&&null!==t[i]||(t[i]=e[i]));return t},isEmptyObject:function(e){for(var t in e)if(e.hasOwnProperty(t))return!1;return!0},inQuotes:function(e){return he.isNumeric(e)?"".concat(e):"'".concat(e,"'")},concat:function(e,t){var i=new e.constructor(e.length+t.length);return i.set(e),i.set(t,e.length),i},flattenParentChildHierarchy:function(e){var t=[];return function e(i){i.id=i.uuid,delete i.oid,t.push(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++){r[s].parent=i.id,e(r[s])}i.children=[]}(e),t}},de={},pe=new G,fe=new oe,ve={sceneId:null,time:null,startTime:null,prevTime:null,deltaTime:null},ge=[],me=0,_e=0;var ye,be,Be,we=new function(){this.version="1.0.0",this.scenes={},this._superTypes={},this._addScene=function(e){if(e.id){if(we.scenes[e.id])return void console.error("[ERROR] Scene ".concat(he.inQuotes(e.id)," already exists"))}else e.id=pe.addItem({});we.scenes[e.id]=e;var t=e.ticksPerOcclusionTest,i=e.ticksPerRender;de[e.id]={ticksPerOcclusionTest:t,ticksPerRender:i,renderCountdown:i},ae.components.scenes++,e.once("destroyed",(function(){pe.removeItem(e.id),delete we.scenes[e.id],delete de[e.id],ae.components.scenes--}))},this.clear=function(){var e;for(var t in we.scenes)we.scenes.hasOwnProperty(t)&&(e=we.scenes[t],"default.scene"===t?e.clear():(e.destroy(),delete we.scenes[e.id]))},this.scheduleTask=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;fe.push(e),fe.push(t)},this.runTasks=function(){for(var e,t,i=arguments.length>0&&void 0!==arguments[0]?arguments[0]:-1,r=(new Date).getTime(),s=0;fe.length>0&&(i<0||r<i);)e=fe.shift(),(t=fe.shift())?e.call(t):e(),r=(new Date).getTime(),s++;return s},this.getNumTasks=function(){return fe.length}},Pe=function(){var e=Date.now();if(Ae=e-me,me>0&&Ae>0){var t=1e3/Ae;_e+=t,ge.push(t),ge.length>=30&&(_e-=ge.shift()),ae.frame.fps=Math.round(_e/ge.length)}for(var i in we.scenes)we.scenes[i].compile();xe(e),me=e};ye=function(){Pe()},be=100,Be=Date.now()+be,function e(){var t=Date.now()-Be;ye(),Be+=be,setTimeout(e,Math.max(0,be-t))}();function xe(e){var t=we.runTasks(e+10),i=we.getNumTasks();ae.frame.tasksRun=t,ae.frame.tasksScheduled=i,ae.frame.tasksBudget=10}!function e(){var t=Date.now();if(Ae=t-me,me>0&&Ae>0){var i=1e3/Ae;_e+=i,ge.push(i),ge.length>=30&&(_e-=ge.shift()),ae.frame.fps=Math.round(_e/ge.length)}xe(t),function(e){for(var t in ve.time=e,we.scenes)if(we.scenes.hasOwnProperty(t)){var i=we.scenes[t];ve.sceneId=t,ve.startTime=i.startTime,ve.deltaTime=null!=ve.prevTime?ve.time-ve.prevTime:0,i.fire("tick",ve,!0)}ve.prevTime=e}(t),function(){var e,t,i,r,s,n=we.scenes,o=!1;for(s in n)n.hasOwnProperty(s)&&(e=n[s],(t=de[s])||(t=de[s]={}),i=e.ticksPerOcclusionTest,t.ticksPerOcclusionTest!==i&&(t.ticksPerOcclusionTest=i,t.renderCountdown=i),--e.occlusionTestCountdown<=0&&(e.doOcclusionTest(),e.occlusionTestCountdown=i),r=e.ticksPerRender,t.ticksPerRender!==r&&(t.ticksPerRender=r,t.renderCountdown=r),0==--t.renderCountdown&&(e.render(o),t.renderCountdown=r))}(),void 0!==window.requestPostAnimationFrame?window.requestPostAnimationFrame(Pe):requestAnimationFrame(e)}();var Ce=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,e),this.scene=null,"Scene"===this.type)this.scene=this,this.viewer=i.viewer;else{if("Scene"===t.type)this.scene=t;else{if(!(t instanceof e))throw"Invalid param: owner must be a Component";this.scene=t.scene}this._owner=t}this._dontClear=!!i.dontClear,this._renderer=this.scene._renderer,this.meta=i.meta||{},this.id=i.id,this.destroyed=!1,this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this!==this.scene&&this.scene._addComponent(this),this._updateScheduled=!1,t&&t._own(this)}return C(e,[{key:"type",get:function(){return"Component"}},{key:"isComponent",get:function(){return!0}},{key:"glRedraw",value:function(){this._renderer&&(this._renderer.imageDirty(),this.castsShadow&&this._renderer.shadowsDirty())}},{key:"glResort",value:function(){this._renderer&&this._renderer.needStateSort()}},{key:"owner",get:function(){return this._owner}},{key:"isType",value:function(e){return this.type===e}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){e="[LOG]"+this._message(e),window.console.log(e),this.scene.fire("log",e)}},{key:"_message",value:function(e){return" ["+this.type+" "+he.inQuotes(this.id)+"]: "+e}},{key:"warn",value:function(e){e="[WARN]"+this._message(e),window.console.warn(e),this.scene.fire("warn",e)}},{key:"error",value:function(e){e="[ERROR]"+this._message(e),window.console.error(e),this.scene.fire("error",e)}},{key:"_attach",value:function(e){var t=e.name;if(t){var i=e.component,r=e.sceneDefault,s=e.sceneSingleton,n=e.type,o=e.on,a=!1!==e.recompiles;if(i&&(he.isNumeric(i)||he.isString(i))){var l=i;if(!(i=this.scene.components[l]))return void this.error("Component not found: "+he.inQuotes(l))}if(!i)if(!0===s){var u=this.scene.types[n];for(var c in u)if(u.hasOwnProperty){i=u[c];break}if(!i)return this.error("Scene has no default component for '"+t+"'"),null}else if(!0===r&&!(i=this.scene[t]))return this.error("Scene has no default component for '"+t+"'"),null;if(i){if(i.scene.id!==this.scene.id)return void this.error("Not in same scene: "+i.type+" "+he.inQuotes(i.id));if(n&&!i.isType(n))return void this.error("Expected a "+n+" type or subtype: "+i.type+" "+he.inQuotes(i.id))}this._attachments||(this._attachments={});var A,h,d,p=this._attached[t];if(p){if(i&&p.id===i.id)return;var f=this._attachments[p.id];for(h=0,d=(A=f.subs).length;h<d;h++)p.off(A[h]);delete this._attached[t],delete this._attachments[p.id];var v=f.params.onDetached;v&&(he.isFunction(v)?v(p):v.scope?v.callback.call(v.scope,p):v.callback(p)),f.managingLifecycle&&p.destroy()}if(i){var g={params:e,component:i,subs:[],managingLifecycle:!1};g.subs.push(i.once("destroyed",(function(){g.params.component=null,this._attach(g.params)}),this)),a&&g.subs.push(i.on("dirty",(function(){this.fire("dirty",this)}),this)),this._attached[t]=i,this._attachments[i.id]=g;var m,_,y,b,B=e.onAttached;if(B&&(he.isFunction(B)?B(i):B.scope?B.callback.call(B.scope,i):B.callback(i)),o)for(m in o)if(o.hasOwnProperty(m)){if(_=o[m],he.isFunction(_)?(y=_,b=null):(y=_.callback,b=_.scope),!y)continue;g.subs.push(i.on(m,y,b))}}return a&&this.fire("dirty",this),this.fire(t,i),i}this.error("Component 'name' expected")}},{key:"_checkComponent",value:function(e,t){if(!t.isComponent){if(!he.isID(t))return void this.error("Expected a Component or ID");var i=t;if(!(t=this.scene.components[i]))return void this.error("Component not found: "+i)}if(e===t.type){if(t.scene.id===this.scene.id)return t;this.error("Not in same scene: "+t.type)}else this.error("Expected a "+e+" Component")}},{key:"_checkComponent2",value:function(e,t){if(!t.isComponent){if(!he.isID(t))return void this.error("Expected a Component or ID");var i=t;if(!(t=this.scene.components[i]))return void this.error("Component not found: "+i)}if(t.scene.id===this.scene.id){for(var r=0,s=e.length;r<s;r++)if(e[r]===t.type)return t;return this.error("Expected component types: "+e),null}this.error("Not in same scene: "+t.type)}},{key:"_own",value:function(e){var t=this;this._ownedComponents||(this._ownedComponents={}),this._ownedComponents[e.id]||(this._ownedComponents[e.id]=e),e.once("destroyed",(function(){delete t._ownedComponents[e.id]}),this)}},{key:"_needUpdate",value:function(e){this._updateScheduled||(this._updateScheduled=!0,0===e?this._doUpdate():we.scheduleTask(this._doUpdate,this))}},{key:"_doUpdate",value:function(){this._updateScheduled&&(this._updateScheduled=!1,this._update&&this._update())}},{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"_update",value:function(){}},{key:"clear",value:function(){if(this._ownedComponents)for(var e in this._ownedComponents){if(this._ownedComponents.hasOwnProperty(e))this._ownedComponents[e].destroy(),delete this._ownedComponents[e]}}},{key:"destroy",value:function(){if(!this.destroyed){var e,t,i,r,s,n;if(this.fire("destroyed",this.destroyed=!0),this._attachments)for(e in this._attachments)if(this._attachments.hasOwnProperty(e)){for(i=(t=this._attachments[e]).component,s=0,n=(r=t.subs).length;s<n;s++)i.off(r[s]);t.managingLifecycle&&i.destroy()}if(this._ownedComponents)for(e in this._ownedComponents)this._ownedComponents.hasOwnProperty(e)&&((i=this._ownedComponents[e]).destroy(),delete this._ownedComponents[e]);this.scene._removeComponent(this),this._attached={},this._attachments=null,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._events=null,this._eventCallDepth=0,this._ownedComponents=null,this._updateScheduled=!1}}}]),e}(),Me=re.vec3(),Ee=re.vec3(),Fe=re.mat4(),ke=function(){function e(){P(this,e),this.normal=re.vec3(),this.offset=0,this.testVertex=re.vec3()}return C(e,[{key:"set",value:function(e,t,i,r){var s=1/Math.sqrt(e*e+t*t+i*i);this.normal[0]=e*s,this.normal[1]=t*s,this.normal[2]=i*s,this.offset=r*s,this.testVertex[0]=this.normal[0]>=0?1:0,this.testVertex[1]=this.normal[1]>=0?1:0,this.testVertex[2]=this.normal[2]>=0?1:0}}]),e}(),Ie=C((function e(){P(this,e),this.planes=[new ke,new ke,new ke,new ke,new ke,new ke]}));function De(e,t,i){var r=re.mulMat4(i,t,Fe),s=r[0],n=r[1],o=r[2],a=r[3],l=r[4],u=r[5],c=r[6],A=r[7],h=r[8],d=r[9],p=r[10],f=r[11],v=r[12],g=r[13],m=r[14],_=r[15];e.planes[0].set(a-s,A-l,f-h,_-v),e.planes[1].set(a+s,A+l,f+h,_+v),e.planes[2].set(a-n,A-u,f-d,_-g),e.planes[3].set(a+n,A+u,f+d,_+g),e.planes[4].set(a-o,A-c,f-p,_-m),e.planes[5].set(a+o,A+c,f+p,_+m)}function Se(e,t){var i=Ie.INSIDE,r=Me,s=Ee;r[0]=t[0],r[1]=t[1],r[2]=t[2],s[0]=t[3],s[1]=t[4],s[2]=t[5];for(var n=[r,s],o=0;o<6;++o){var a=e.planes[o];if(a.normal[0]*n[a.testVertex[0]][0]+a.normal[1]*n[a.testVertex[1]][1]+a.normal[2]*n[a.testVertex[2]][2]+a.offset<0)return Ie.OUTSIDE;a.normal[0]*n[1-a.testVertex[0]][0]+a.normal[1]*n[1-a.testVertex[1]][1]+a.normal[2]*n[1-a.testVertex[2]][2]+a.offset<0&&(i=Ie.INTERSECT)}return i}Ie.INSIDE=0,Ie.INTERSECT=1,Ie.OUTSIDE=2;var Te=function(e){p(i,Ce);var t=v(i);function i(){var e,r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(P(this,i),!r.viewer)throw"[MarqueePicker] Missing config: viewer";if(!r.objectsKdTree3)throw"[MarqueePicker] Missing config: objectsKdTree3";return(e=t.call(this,r.viewer.scene,r)).viewer=r.viewer,e._objectsKdTree3=r.objectsKdTree3,e._canvasMarqueeCorner1=re.vec2(),e._canvasMarqueeCorner2=re.vec2(),e._canvasMarquee=re.AABB2(),e._marqueeFrustum=new Ie,e._marqueeFrustumProjMat=re.mat4(),e._pickMode=!1,e._marqueeElement=document.createElement("div"),document.body.appendChild(e._marqueeElement),e._marqueeElement.style.position="absolute",e._marqueeElement.style["z-index"]="40000005",e._marqueeElement.style.width="8px",e._marqueeElement.style.height="8px",e._marqueeElement.style.visibility="hidden",e._marqueeElement.style.top="0px",e._marqueeElement.style.left="0px",e._marqueeElement.style["box-shadow"]="0 2px 5px 0 #182A3D;",e._marqueeElement.style.opacity=1,e._marqueeElement.style["pointer-events"]="none",e}return C(i,[{key:"setMarqueeCorner1",value:function(e){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarqueeCorner2",value:function(e){this._canvasMarqueeCorner2.set(e),this._updateMarquee()}},{key:"setMarquee",value:function(e,t){this._canvasMarqueeCorner1.set(e),this._canvasMarqueeCorner2.set(t),this._updateMarquee()}},{key:"setMarqueeVisible",value:function(e){this._marqueVisible=e,this._marqueeElement.style.visibility=e?"visible":"hidden"}},{key:"getMarqueeVisible",value:function(){return this._marqueVisible}},{key:"setPickMode",value:function(e){if(e!==i.PICK_MODE_INSIDE&&e!==i.PICK_MODE_INTERSECTS)throw"Illegal MarqueePicker pickMode: must be MarqueePicker.PICK_MODE_INSIDE or MarqueePicker.PICK_MODE_INTERSECTS";e!==this._pickMode&&(this._marqueeElement.style["background-image"]=e===i.PICK_MODE_INSIDE?"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4'/%3e%3c/svg%3e\")":"url(\"data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='100%25' height='100%25' fill='none' rx='6' ry='6' stroke='%23333' stroke-width='4' stroke-dasharray='6%2c 14' stroke-dashoffset='0' stroke-linecap='square'/%3e%3c/svg%3e\")",this._pickMode=e)}},{key:"getPickMode",value:function(){return this._pickMode}},{key:"clear",value:function(){this.fire("clear",{})}},{key:"pick",value:function(){var e=this;this._updateMarquee(),this._buildMarqueeFrustum();var t=[];return(this._canvasMarquee[2]-this._canvasMarquee[0]>3||this._canvasMarquee[3]-this._canvasMarquee[1]>3)&&function r(s){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(n===Ie.INTERSECT&&(n=Se(e._marqueeFrustum,s.aabb)),n!==Ie.OUTSIDE){if(s.entities)for(var o=s.entities,a=0,l=o.length;a<l;a++){var u=o[a];if(u.visible){var c=u.aabb;if(e._pickMode===i.PICK_MODE_INSIDE)Se(e._marqueeFrustum,c)===Ie.INSIDE&&t.push(u.id);else Se(e._marqueeFrustum,c)!==Ie.OUTSIDE&&t.push(u.id)}}s.left&&r(s.left,n),s.right&&r(s.right,n)}}(this._objectsKdTree3.root),this.fire("picked",t),t}},{key:"_updateMarquee",value:function(){this._canvasMarquee[0]=Math.min(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[1]=Math.min(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._canvasMarquee[2]=Math.max(this._canvasMarqueeCorner1[0],this._canvasMarqueeCorner2[0]),this._canvasMarquee[3]=Math.max(this._canvasMarqueeCorner1[1],this._canvasMarqueeCorner2[1]),this._marqueeElement.style.width="".concat(this._canvasMarquee[2]-this._canvasMarquee[0],"px"),this._marqueeElement.style.height="".concat(this._canvasMarquee[3]-this._canvasMarquee[1],"px"),this._marqueeElement.style.left="".concat(this._canvasMarquee[0],"px"),this._marqueeElement.style.top="".concat(this._canvasMarquee[1],"px")}},{key:"_buildMarqueeFrustum",value:function(){var e=this.viewer.scene.canvas.canvas,t=e.clientWidth,i=e.clientHeight,r=e.clientLeft,s=e.clientTop,n=2/t,o=2/i,a=e.clientHeight/e.clientWidth,l=(this._canvasMarquee[0]-r)*n-1,u=(this._canvasMarquee[2]-r)*n-1,c=-(this._canvasMarquee[3]-s)*o+1,A=-(this._canvasMarquee[1]-s)*o+1,h=this.viewer.scene.camera.frustum.near*(17*a);re.frustumMat4(l,u,c*a,A*a,h,1e4,this._marqueeFrustumProjMat),De(this._marqueeFrustum,this.viewer.scene.camera.viewMatrix,this._marqueeFrustumProjMat)}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._marqueeElement.parentElement&&(this._marqueeElement.parentElement.removeChild(this._marqueeElement),this._marqueeElement=null,this._objectsKdTree3=null)}}]),i}();Te.PICK_MODE_INTERSECTS=0,Te.PICK_MODE_INSIDE=1;var Re=function(e){p(i,Ce);var t=v(i);function i(e){var r;P(this,i),r=t.call(this,e.marqueePicker,e);var s,n,o,a,l,u,c,A=e.marqueePicker,h=A.viewer.scene.canvas.canvas,d=!1,p=!1,f=!1;return h.addEventListener("mousedown",(function(e){r.getActive()&&0===e.button&&(c=setTimeout((function(){var t=A.viewer.scene.input;t.keyDown[t.KEY_CTRL]||A.clear(),s=e.pageX,n=e.pageY,l=e.offsetX,A.setMarqueeCorner1([s,n]),d=!0,A.viewer.cameraControl.pointerEnabled=!1,A.setMarqueeVisible(!0),h.style.cursor="crosshair"}),400),p=!0)})),h.addEventListener("mouseup",(function(e){if(r.getActive()&&(d||f)&&0===e.button){clearTimeout(c),o=e.pageX,a=e.pageY;var t=Math.abs(o-s),i=Math.abs(a-n);d=!1,A.viewer.cameraControl.pointerEnabled=!0,f&&(f=!1),(t>3||i>3)&&A.pick()}})),document.addEventListener("mouseup",(function(e){r.getActive()&&0===e.button&&(clearTimeout(c),d&&(A.setMarqueeVisible(!1),d=!1,p=!1,f=!0,A.viewer.cameraControl.pointerEnabled=!0))}),!0),h.addEventListener("mousemove",(function(e){r.getActive()&&0===e.button&&p&&(clearTimeout(c),d&&(o=e.pageX,a=e.pageY,u=e.offsetX,A.setMarqueeVisible(!0),A.setMarqueeCorner2([o,a]),A.setPickMode(l<u?Te.PICK_MODE_INSIDE:Te.PICK_MODE_INTERSECTS)))})),r}return C(i,[{key:"setActive",value:function(e){this._active!==e&&(this._active=e,this.fire("active",this._active))}},{key:"getActive",value:function(){return this._active}},{key:"destroy",value:function(){}}]),i}(),Le=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this.viewer=t,this.scene=this.viewer.scene,this._circleDiv=document.createElement("div"),this.viewer.scene.canvas.canvas.parentNode.insertBefore(this._circleDiv,this.viewer.scene.canvas.canvas),this._circleDiv.style.backgroundColor="transparent",this._circleDiv.style.border="2px solid green",this._circleDiv.style.borderRadius="50px",this._circleDiv.style.width="50px",this._circleDiv.style.height="50px",this._circleDiv.style.margin="-200px -200px",this._circleDiv.style.zIndex="100000",this._circleDiv.style.position="absolute",this._circleDiv.style.pointerEvents="none",this._circlePos=null,this._circleMaxRadius=200,this._circleMinRadius=2,this._active=!1!==i.active,this._visible=!1,this._running=!1,this._destroyed=!1}return C(e,[{key:"start",value:function(e){var t=this;if(!this._destroyed){this._circlePos=e,this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.marginLeft="".concat(this._circlePos[0]-this._circleRadius,"px"),this._circleDiv.style.marginTop="".concat(this._circlePos[1]-this._circleRadius,"px");var i,r=this._circleMaxRadius;this._running=!0,requestAnimationFrame((function e(s){if(t._running){i||(i=s);var n=s-i,o=Math.min(n/300,1),a=r+(2-r)*o;t._circleRadius=a,t._circleDiv.style.width="".concat(t._circleRadius,"px"),t._circleDiv.style.height="".concat(t._circleRadius,"px"),t._circleDiv.style.marginLeft="".concat(t._circlePos[0]-t._circleRadius/2,"px"),t._circleDiv.style.marginTop="".concat(t._circlePos[1]-t._circleRadius/2,"px"),o<1&&requestAnimationFrame(e)}})),this._circleDiv.style.visibility="visible"}}},{key:"stop",value:function(){this._destroyed||(this._running=!1,this._circleRadius=this._circleMaxRadius,this._circleDiv.style.borderRadius="".concat(this._circleRadius,"px"),this._circleDiv.style.visibility="hidden")}},{key:"durationMs",get:function(){return this._durationMs},set:function(e){this.stop(),this._durationMs=e}},{key:"destroy",value:function(){this._destroyed||(this.stop(),this._circleDiv.parentElement.removeChild(this._circleDiv),this._destroyed=!0)}}]),e}(),Ue=function(){function e(t,i,r){P(this,e),this.id=r&&r.id?r.id:t,this.viewer=i,this._subIdMap=null,this._subIdEvents=null,this._eventSubs=null,this._eventSubsNum=null,this._events=null,this._eventCallDepth=0,i.addPlugin(this)}return C(e,[{key:"scheduleTask",value:function(e){we.scheduleTask(e,null)}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={},this._eventSubsNum={}),!0!==i&&(this._events[e]=t||!0);var r,s=this._eventSubs[e];if(s)for(var n in s)s.hasOwnProperty(n)&&(r=s[n],this._eventCallDepth++,this._eventCallDepth<300?r.callback.call(r.scope,t):this.error("fire: potential stack overflow from recursive event '"+e+"' - dropping this event"),this._eventCallDepth--)}},{key:"on",value:function(e,t,i){this._events||(this._events={}),this._subIdMap||(this._subIdMap=new G),this._subIdEvents||(this._subIdEvents={}),this._eventSubs||(this._eventSubs={}),this._eventSubsNum||(this._eventSubsNum={});var r=this._eventSubs[e];r?this._eventSubsNum[e]++:(r={},this._eventSubs[e]=r,this._eventSubsNum[e]=1);var s=this._subIdMap.addItem();r[s]={callback:t,scope:i||this},this._subIdEvents[s]=e;var n=this._events[e];return void 0!==n&&t.call(i||this,n),s}},{key:"off",value:function(e){if(null!=e&&this._subIdEvents){var t=this._subIdEvents[e];if(t){delete this._subIdEvents[e];var i=this._eventSubs[t];i&&(delete i[e],this._eventSubsNum[t]--),this._subIdMap.removeItem(e)}}}},{key:"once",value:function(e,t,i){var r=this,s=this.on(e,(function(e){r.off(s),t.call(i||this,e)}),i)}},{key:"hasSubs",value:function(e){return this._eventSubsNum&&this._eventSubsNum[e]>0}},{key:"log",value:function(e){console.log("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"warn",value:function(e){console.warn("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit plugin ".concat(this.id,"]: ").concat(e))}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.removePlugin(this)}}]),e}(),Oe={isIphoneSafari:function(){var e=window.navigator.userAgent,t=/iPhone/i.test(e),i=/Safari/i.test(e)&&!/Chrome/i.test(e);return t&&i},isTouchDevice:function(){return"ontouchstart"in window||navigator.maxTouchPoints>0||navigator.mxMaxTouchPoints>0}};function Ne(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:function(){};if(e&&t){var r,s,n=null,o=500,a=3,l=function(e){if(e.preventDefault(),n&&(clearTimeout(n),n=null),!(e.touches.length>1)){var i=e.touches[0];r=i.clientX,s=i.clientY,n=setTimeout((function(){e.clientX=i.clientX,e.clientY=i.clientY,t(e),clearTimeout(n),n=null}),o)}},u=function(e){e.touches.length>1&&n&&(clearTimeout(n),n=null)},c=function(e){if(n){var t=e.touches[0],i=Math.abs(t.clientX-r),o=Math.abs(t.clientY-s);(i>a||o>a)&&(clearTimeout(n),n=null)}},A=function(e){e.preventDefault(),n&&(i(e),clearTimeout(n),n=null)},h=function(e){t(e),e.preventDefault(),e.stopPropagation()};return Oe.isIphoneSafari()?(e.addEventListener("touchstart",l),e.addEventListener("touchmove",c),e.addEventListener("touchend",A),window.addEventListener("touchstart",u)):e.addEventListener("contextmenu",h),function(){Oe.isIphoneSafari()?(e.removeEventListener("touchstart",l),e.removeEventListener("touchmove",c),e.removeEventListener("touchend",A),window.removeEventListener("touchstart",u)):e.removeEventListener("contextmenu",h)}}}var Qe=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this._highlightClass="viewer-ruler-dot-highlighted",this._x=0,this._y=0,this._dot=document.createElement("div"),this._dot.className+=this._dot.className?" viewer-ruler-dot":"viewer-ruler-dot",this._dotClickable=document.createElement("div"),this._dotClickable.className+=this._dotClickable.className?" viewer-ruler-dot-clickable":"viewer-ruler-dot-clickable",this._visible=!1!==r.visible,this._culled=!1;var s=this._dot,n=s.style;n["border-radius"]="25px",n.border="solid 2px white",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"40000005":r.zIndex,n.width="8px",n.height="8px",n.visibility=this._visible?"visible":"hidden",n.top="0px",n.left="0px",n["box-shadow"]="0 2px 5px 0 #182A3D;",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._dotClickable,a=o.style;if(a["border-radius"]="35px",a.border="solid 10px white",a.position="absolute",a["z-index"]=void 0===r.zIndex?"40000007":r.zIndex+1,a.width="8px",a.height="8px",a.visibility="visible",a.top="0px",a.left="0px",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),o.addEventListener("click",(function(e){t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),t.dispatchEvent(new MouseEvent("mouseover",e))})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onTouchstart&&o.addEventListener("touchstart",(function(e){r.onTouchstart(e,i)})),r.onTouchmove&&o.addEventListener("touchmove",(function(e){r.onTouchmove(e,i)})),r.onTouchend&&o.addEventListener("touchend",(function(e){r.onTouchend(e,i)})),r.onContextMenu){var l=function(e){r.onContextMenu(e,i)};Ne(o,l)}this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.borderColor)}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._dot.style;i.left=Math.round(e)-6+"px",i.top=Math.round(t)-6+"px";var r=this._dotClickable.style;r.left=Math.round(e)-14+"px",r.top=Math.round(t)-14+"px"}},{key:"setFillColor",value:function(e){this._dot.style.background=e||"lightgreen"}},{key:"setBorderColor",value:function(e){this._dot.style.border="solid 2px"+(e||"black")}},{key:"setOpacity",value:function(e){this._dot.style.opacity=e}},{key:"_updateVisibility",value:function(){this._dot.style.visibility=this._dotClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}},{key:"setClickable",value:function(e){this._dotClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._dot.classList.add(this._highlightClass):this._dot.classList.remove(this._highlightClass))}},{key:"destroy",value:function(){this.setVisible(!1),this._dot.parentElement&&this._dot.parentElement.removeChild(this._dot),this._dotClickable.parentElement&&this._dotClickable.parentElement.removeChild(this._dotClickable)}}]),e}(),Ve=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this._highlightClass="viewer-ruler-label-highlighted",this._prefix=r.prefix||"",this._x=0,this._y=0,this._visible=!0,this._culled=!1,this._label=document.createElement("div"),this._label.className+=this._label.className?" viewer-ruler-label":"viewer-ruler-label",this._timeout=null;var s=this._label,n=s.style;if(n["border-radius"]="5px",n.color="white",n.padding="4px",n.border="solid 1px",n.background="lightgreen",n.position="absolute",n["z-index"]=void 0===r.zIndex?"5000005":r.zIndex,n.width="auto",n.height="auto",n.visibility="visible",n.top="0px",n.left="0px",n["pointer-events"]="all",n.opacity=1,r.onContextMenu,s.innerText="",t.appendChild(s),this.setPos(r.x||0,r.y||0),this.setFillColor(r.fillColor),this.setBorderColor(r.fillColor),this.setText(r.text),r.onMouseOver&&s.addEventListener("mouseover",(function(e){r.onMouseOver(e,i),e.preventDefault()})),r.onMouseLeave&&s.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i),e.preventDefault()})),r.onMouseWheel&&s.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&s.addEventListener("mousedown",(function(e){r.onMouseDown(e,i),e.stopPropagation()})),r.onMouseUp&&s.addEventListener("mouseup",(function(e){r.onMouseUp(e,i),e.stopPropagation()})),r.onMouseMove&&s.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu){var o=function(e){r.onContextMenu(e,i)};Ne(s,o)}}return C(e,[{key:"setPos",value:function(e,t){this._x=e,this._y=t;var i=this._label.style;i.left=Math.round(e)-20+"px",i.top=Math.round(t)-12+"px"}},{key:"setPosOnWire",value:function(e,t,i,r){var s=e+.5*(i-e),n=t+.5*(r-t),o=this._label.style;o.left=Math.round(s)-20+"px",o.top=Math.round(n)-12+"px"}},{key:"setPosBetweenWires",value:function(e,t,i,r,s,n){var o=(e+i+s)/3,a=(t+r+n)/3,l=this._label.style;l.left=Math.round(o)-20+"px",l.top=Math.round(a)-12+"px"}},{key:"setText",value:function(e){this._label.innerHTML=this._prefix+(e||"")}},{key:"setFillColor",value:function(e){this._fillColor=e||"lightgreen",this._label.style.background=this._fillColor}},{key:"setBorderColor",value:function(e){this._borderColor=e||"black",this._label.style.border="solid 1px "+this._borderColor}},{key:"setOpacity",value:function(e){this._label.style.opacity=e}},{key:"_updateVisibility",value:function(){this._label.style.visibility=this._visible&&!this._culled?"visible":"hidden"}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._label.classList.add(this._highlightClass):this._label.classList.remove(this._highlightClass))}},{key:"setClickable",value:function(e){this._label.style["pointer-events"]=e?"all":"none"}},{key:"setPrefix",value:function(e){this._prefix!==e&&(this._prefix=e)}},{key:"destroy",value:function(){this._label.parentElement&&this._label.parentElement.removeChild(this._label)}}]),e}(),He=function(){function e(t){var i=this,r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,e),this._color=r.color||"black",this._highlightClass="viewer-ruler-wire-highlighted",this._wire=document.createElement("div"),this._wire.className+=this._wire.className?" viewer-ruler-wire":"viewer-ruler-wire",this._wireClickable=document.createElement("div"),this._wireClickable.className+=this._wireClickable.className?" viewer-ruler-wire-clickable":"viewer-ruler-wire-clickable",this._thickness=r.thickness||1,this._thicknessClickable=r.thicknessClickable||6,this._visible=!0,this._culled=!1;var s=this._wire,n=s.style;n.border="solid "+this._thickness+"px "+this._color,n.position="absolute",n["z-index"]=void 0===r.zIndex?"2000001":r.zIndex,n.width="0px",n.height="0px",n.visibility="visible",n.top="0px",n.left="0px",n["-webkit-transform-origin"]="0 0",n["-moz-transform-origin"]="0 0",n["-ms-transform-origin"]="0 0",n["-o-transform-origin"]="0 0",n["transform-origin"]="0 0",n["-webkit-transform"]="rotate(0deg)",n["-moz-transform"]="rotate(0deg)",n["-ms-transform"]="rotate(0deg)",n["-o-transform"]="rotate(0deg)",n.transform="rotate(0deg)",n.opacity=1,n["pointer-events"]="none",r.onContextMenu,t.appendChild(s);var o=this._wireClickable,a=o.style;if(a.border="solid "+this._thicknessClickable+"px "+this._color,a.position="absolute",a["z-index"]=void 0===r.zIndex?"2000002":r.zIndex+1,a.width="0px",a.height="0px",a.visibility="visible",a.top="0px",a.left="0px",a["-webkit-transform-origin"]="0 0",a["-moz-transform-origin"]="0 0",a["-ms-transform-origin"]="0 0",a["-o-transform-origin"]="0 0",a["transform-origin"]="0 0",a["-webkit-transform"]="rotate(0deg)",a["-moz-transform"]="rotate(0deg)",a["-ms-transform"]="rotate(0deg)",a["-o-transform"]="rotate(0deg)",a.transform="rotate(0deg)",a.opacity=0,a["pointer-events"]="none",r.onContextMenu,t.appendChild(o),r.onMouseOver&&o.addEventListener("mouseover",(function(e){r.onMouseOver(e,i)})),r.onMouseLeave&&o.addEventListener("mouseleave",(function(e){r.onMouseLeave(e,i)})),r.onMouseWheel&&o.addEventListener("wheel",(function(e){r.onMouseWheel(e,i)})),r.onMouseDown&&o.addEventListener("mousedown",(function(e){r.onMouseDown(e,i)})),r.onMouseUp&&o.addEventListener("mouseup",(function(e){r.onMouseUp(e,i)})),r.onMouseMove&&o.addEventListener("mousemove",(function(e){r.onMouseMove(e,i)})),r.onContextMenu){var l=function(e){r.onContextMenu(e,i)};Ne(o,l)}this._x1=0,this._y1=0,this._x2=0,this._y2=0,this._update()}return C(e,[{key:"visible",get:function(){return"visible"===this._wire.style.visibility}},{key:"_update",value:function(){var e=Math.abs(Math.sqrt((this._x1-this._x2)*(this._x1-this._x2)+(this._y1-this._y2)*(this._y1-this._y2))),t=180*Math.atan2(this._y2-this._y1,this._x2-this._x1)/Math.PI,i=this._wire.style;i.width=Math.round(e)+"px",i.left=Math.round(this._x1)+"px",i.top=Math.round(this._y1)+"px",i["-webkit-transform"]=i["-moz-transform"]=i["-ms-transform"]=i["-o-transform"]=i.transform="rotate("+t+"deg) translate(-"+this._thickness+"px, -"+this._thickness+"px)";var r=this._wireClickable.style;r.width=Math.round(e)+"px",r.left=Math.round(this._x1)+"px",r.top=Math.round(this._y1)+"px",r["-webkit-transform"]=r["-moz-transform"]=r["-ms-transform"]=r["-o-transform"]=r.transform="rotate("+t+"deg) translate(-"+this._thicknessClickable+"px, -"+this._thicknessClickable+"px)"}},{key:"setStartAndEnd",value:function(e,t,i,r){this._x1=e,this._y1=t,this._x2=i,this._y2=r,this._update()}},{key:"setColor",value:function(e){this._color=e||"black",this._wire.style.border="solid "+this._thickness+"px "+this._color}},{key:"setOpacity",value:function(e){this._wire.style.opacity=e}},{key:"_updateVisibility",value:function(){this._wire.style.visibility=this._wireClickable.style.visibility=this._visible&&!this._culled?"visible":"hidden"}},{key:"setVisible",value:function(e){this._visible!==e&&(this._visible=!!e,this._updateVisibility())}},{key:"setCulled",value:function(e){this._culled!==e&&(this._culled=!!e,this._updateVisibility())}},{key:"setClickable",value:function(e){this._wireClickable.style["pointer-events"]=e?"all":"none"}},{key:"setHighlighted",value:function(e){this._highlighted!==e&&(this._highlighted=!!e,this._highlighted?this._wire.classList.add(this._highlightClass):this._wire.classList.remove(this._highlightClass))}},{key:"destroy",value:function(e){this._wire.parentElement&&this._wire.parentElement.removeChild(this._wire),this._wireClickable.parentElement&&this._wireClickable.parentElement.removeChild(this._wireClickable)}}]),e}(),je=re.vec3(),Ge=re.vec4(),ze=function(){var e=new Float64Array(16),t=new Float64Array(4),i=new Float64Array(4);return function(r,s,n){return n=n||e,t[0]=s[0],t[1]=s[1],t[2]=s[2],t[3]=1,re.transformVec4(r,t,i),re.setMat4Translation(r,i,n),n.slice()}}();function Ke(e,t,i){var r=Float32Array.from([e[0]])[0],s=e[0]-r,n=Float32Array.from([e[1]])[0],o=e[1]-n,a=Float32Array.from([e[2]])[0],l=e[2]-a;t[0]=r,t[1]=n,t[2]=a,i[0]=s,i[1]=o,i[2]=l}function We(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:1e3,s=re.getPositionsCenter(e,je),n=Math.round(s[0]/r)*r,o=Math.round(s[1]/r)*r,a=Math.round(s[2]/r)*r;i[0]=n,i[1]=o,i[2]=a;var l=0!==i[0]||0!==i[1]||0!==i[2];if(l)for(var u=0,c=e.length;u<c;u+=3)t[u+0]=e[u+0]-n,t[u+1]=e[u+1]-o,t[u+2]=e[u+2]-a;return l}function Xe(e,t,i){return i[0]=e[0]+t[0],i[1]=e[1]+t[1],i[2]=e[2]+t[2],i}function Je(e,t,i,r,s){var n=s?(Ge.set(i,0),Ge[3]=1,re.mulMat4v4(s,Ge,Ge)):i,o=re.dotVec3(t,n)+e,a=re.normalizeVec3(t,je);return re.mulVec3Scalar(a,-o,r),r}var Ye=1,Ze=4,qe=8,$e=16,et=32,tt=256,it=512,rt=1024,st=2048,nt=new Float32Array([0,0,0]),ot=new Uint16Array([0,0,0]);re.OBB3();var at=function(){function e(t,i,r,s,n,o){P(this,e),this._isObject=i,this.scene=t.scene,this.model=t,this.isSceneModelEntity=!0,this.meshes=s,this._numPrimitives=0;for(var a=0,l=this.meshes.length;a<l;a++){var u=this.meshes[a];u.parent=this,u.entity=this,this._numPrimitives+=u.numPrimitives}this.id=r,this.originalSystemId=re.unglobalizeObjectId(t.id,r),this._flags=n,this._aabb=re.AABB3(),this._aabbDirty=!0,this._offset=re.vec3(),this._colorizeUpdated=!1,this._opacityUpdated=!1,this._lodCullable=!!o,this._culled=!1,this._culledVFC=!1,this._culledLOD=!1,this._isObject&&t.scene._registerObject(this)}return C(e,[{key:"_transformDirty",value:function(){this._aabbDirty=!0,this.model._transformDirty()}},{key:"_sceneModelDirty",value:function(){this._aabbDirty=!0;for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._sceneModelDirty()}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this.meshes.length;e<t;e++)re.expandAABB3(this._aabb,this.meshes[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return!1}},{key:"isObject",get:function(){return this._isObject}},{key:"numPrimitives",get:function(){return this._numPrimitives}},{key:"numTriangles",get:function(){return this._numPrimitives}},{key:"visible",get:function(){return this._getFlag(Ye)},set:function(e){if(!!(this._flags&Ye)!==e){this._flags=e?this._flags|Ye:this._flags&~Ye;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setVisible(this._flags);this._isObject&&this.model.scene._objectVisibilityUpdated(this),this.model.glRedraw()}}},{key:"highlighted",get:function(){return this._getFlag(it)},set:function(e){if(!!(this._flags&it)!==e){this._flags=e?this._flags|it:this._flags&~it;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setHighlighted(this._flags);this._isObject&&this.model.scene._objectHighlightedUpdated(this),this.model.glRedraw()}}},{key:"xrayed",get:function(){return this._getFlag(tt)},set:function(e){if(!!(this._flags&tt)!==e){this._flags=e?this._flags|tt:this._flags&~tt;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setXRayed(this._flags);this._isObject&&this.model.scene._objectXRayedUpdated(this),this.model.glRedraw()}}},{key:"selected",get:function(){return this._getFlag(rt)},set:function(e){if(!!(this._flags&rt)!==e){this._flags=e?this._flags|rt:this._flags&~rt;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setSelected(this._flags);this._isObject&&this.model.scene._objectSelectedUpdated(this),this.model.glRedraw()}}},{key:"edges",get:function(){return this._getFlag(st)},set:function(e){if(!!(this._flags&st)!==e){this._flags=e?this._flags|st:this._flags&~st;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setEdges(this._flags);this.model.glRedraw()}}},{key:"culledVFC",get:function(){return!!this._culledVFC},set:function(e){this._culledVFC=e,this._setCulled()}},{key:"culledLOD",get:function(){return!!this._culledLOD},set:function(e){this._culledLOD=e,this._setCulled()}},{key:"culled",get:function(){return!!this._culled},set:function(e){this._culled=e,this._setCulled()}},{key:"_setCulled",value:function(){var e=!!this._culled||!(!this._culledLOD||!this._lodCullable)||!!this._culledVFC;if(!!(this._flags&Ze)!==e){this._flags=e?this._flags|Ze:this._flags&~Ze;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCulled(this._flags);this.model.glRedraw()}}},{key:"clippable",get:function(){return this._getFlag($e)},set:function(e){if(!!(this._flags&$e)!==e){this._flags=e?this._flags|$e:this._flags&~$e;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setClippable(this._flags);this.model.glRedraw()}}},{key:"collidable",get:function(){return this._getFlag(et)},set:function(e){if(!!(this._flags&et)!==e){this._flags=e?this._flags|et:this._flags&~et;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setCollidable(this._flags)}}},{key:"pickable",get:function(){return this._getFlag(qe)},set:function(e){if(!!(this._flags&qe)!==e){this._flags=e?this._flags|qe:this._flags&~qe;for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setPickable(this._flags)}}},{key:"colorize",get:function(){if(0===this.meshes.length)return null;var e=this.meshes[0]._colorize;return nt[0]=e[0]/255,nt[1]=e[1]/255,nt[2]=e[2]/255,nt},set:function(e){if(e){ot[0]=Math.floor(255*e[0]),ot[1]=Math.floor(255*e[1]),ot[2]=Math.floor(255*e[2]);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setColorize(ot)}else for(var r=0,s=this.meshes.length;r<s;r++)this.meshes[r]._setColorize(null);if(this._isObject){var n=!!e;this.scene._objectColorizeUpdated(this,n),this._colorizeUpdated=n}this.model.glRedraw()}},{key:"opacity",get:function(){return this.meshes.length>0?this.meshes[0]._colorize[3]/255:1},set:function(e){if(0!==this.meshes.length){var t=null!=e,i=this.meshes[0]._colorize[3],r=255;if(t){if(e<0?e=0:e>1&&(e=1),i===(r=Math.floor(255*e)))return}else if(i===(r=255))return;for(var s=0,n=this.meshes.length;s<n;s++)this.meshes[s]._setOpacity(r,this._flags);this._isObject&&(this.scene._objectOpacityUpdated(this,t),this._opacityUpdated=t),this.model.glRedraw()}}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._setOffset(this._offset);this._aabbDirty=!0,this.model._aabbDirty=!0,this.scene._aabbDirty=!0,this.scene._objectOffsetUpdated(this,e),this.model.glRedraw()}},{key:"saoEnabled",get:function(){return this.model.saoEnabled}},{key:"getEachVertex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachVertex(e)}},{key:"getEachIndex",value:function(e){for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t].getEachIndex(e)}},{key:"volume",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].volume;if(r<0)return-1;e+=r}return e}},{key:"surfaceArea",get:function(){for(var e=0,t=0,i=this.meshes.length;t<i;t++){var r=this.meshes[t].surfaceArea;r>=0&&(e+=r)}return e>0?e:-1}},{key:"_getFlag",value:function(e){return!!(this._flags&e)}},{key:"_finalize",value:function(){var e=this.model.scene;this._isObject&&(this.visible&&e._objectVisibilityUpdated(this),this.highlighted&&e._objectHighlightedUpdated(this),this.xrayed&&e._objectXRayedUpdated(this),this.selected&&e._objectSelectedUpdated(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._finalize(this._flags)}},{key:"_finalize2",value:function(){for(var e=0,t=this.meshes.length;e<t;e++)this.meshes[e]._finalize2()}},{key:"_destroy",value:function(){var e=this.model.scene;this._isObject&&(e._deregisterObject(this),this.visible&&e._deRegisterVisibleObject(this),this.xrayed&&e._deRegisterXRayedObject(this),this.selected&&e._deRegisterSelectedObject(this),this.highlighted&&e._deRegisterHighlightedObject(this),this._colorizeUpdated&&this.scene._deRegisterColorizedObject(this),this._opacityUpdated&&this.scene._deRegisterOpacityObject(this),!this._offset||0===this._offset[0]&&0===this._offset[1]&&0===this._offset[2]||this.scene._deRegisterOffsetObject(this));for(var t=0,i=this.meshes.length;t<i;t++)this.meshes[t]._destroy();e._aabbDirty=!0}}]),e}(),lt=re.vec4(),ut=re.vec4(),ct=function(e){p(i,Ce);var t=v(i);function i(e,r){var s;return P(this,i),(s=t.call(this,e,r))._entity=null,s._visible=null,s._worldPos=re.vec3(),s._origin=re.vec3(),s._rtcPos=re.vec3(),s._viewPos=re.vec3(),s._canvasPos=re.vec2(),s._occludable=!1,s._onCameraViewMatrix=s.scene.camera.on("matrix",(function(){s._viewPosDirty=!0,s._needUpdate()})),s._onCameraProjMatrix=s.scene.camera.on("projMatrix",(function(){s._canvasPosDirty=!0,s._needUpdate()})),s._onEntityDestroyed=null,s._onEntityModelDestroyed=null,s._renderer.addMarker(m(s)),s.entity=r.entity,s.worldPos=r.worldPos,s.occludable=r.occludable,s}return C(i,[{key:"_update",value:function(){if(this._viewPosDirty&&(re.transformPoint3(this.scene.camera.viewMatrix,this._worldPos,this._viewPos),this._viewPosDirty=!1,this._canvasPosDirty=!0,this.fire("viewPos",this._viewPos)),this._canvasPosDirty){lt.set(this._viewPos),lt[3]=1,re.transformPoint4(this.scene.camera.projMatrix,lt,ut);var e=this.scene.canvas.boundary;this._canvasPos[0]=Math.floor((1+ut[0]/ut[3])*e[2]/2),this._canvasPos[1]=Math.floor((1-ut[1]/ut[3])*e[3]/2),this._canvasPosDirty=!1,this.fire("canvasPos",this._canvasPos)}}},{key:"_setVisible",value:function(e){this._visible,this._visible=e,this.fire("visible",this._visible)}},{key:"entity",get:function(){return this._entity},set:function(e){var t=this;this._entity!==e&&(this._cleanupDestroyedHandlers(),this._entity=e,this._entity&&(this._entity.isSceneModelEntity?this._onEntityModelDestroyed=this._entity.model.on("destroyed",(function(){t._entity=null,t._onEntityModelDestroyed=null})):this._onEntityDestroyed=this._entity.on("destroyed",(function(){t._entity=null,t._onEntityDestroyed=null}))),this.fire("entity",this._entity,!0))}},{key:"occludable",get:function(){return this._occludable},set:function(e){(e=!!e)!==this._occludable&&(this._occludable=e,this._occludable&&this._renderer.markerWorldPosUpdated(this))}},{key:"worldPos",get:function(){return this._worldPos},set:function(e){this._worldPos.set(e||[0,0,0]),Ke(this._worldPos,this._origin,this._rtcPos),this._occludable&&this._renderer.markerWorldPosUpdated(this),this._viewPosDirty=!0,this.fire("worldPos",this._worldPos),this._needUpdate()}},{key:"origin",get:function(){return this._origin}},{key:"rtcPos",get:function(){return this._rtcPos}},{key:"viewPos",get:function(){return this._update(),this._viewPos}},{key:"canvasPos",get:function(){return this._update(),this._canvasPos}},{key:"visible",get:function(){return!!this._visible}},{key:"destroy",value:function(){this.fire("destroyed",!0),this.scene.camera.off(this._onCameraViewMatrix),this.scene.camera.off(this._onCameraProjMatrix),this._cleanupDestroyedHandlers(),this._renderer.removeMarker(this),h(_(i.prototype),"destroy",this).call(this)}},{key:"_cleanupDestroyedHandlers",value:function(){this._entity&&(null!==this._onEntityDestroyed&&(this._entity.model?this._entity.model.off(this._onEntityDestroyed):this._entity.off(this._onEntityDestroyed),this._onEntityDestroyed=null),null!==this._onEntityModelDestroyed&&(this._entity.model&&this._entity.model.off(this._onEntityModelDestroyed),this._onEntityModelDestroyed=null))}}]),i}(),At=re.vec2(),ht=re.vec2(),dt=re.vec2(),pt=re.vec2(),ft=re.vec3(),vt=re.vec3(),gt=re.vec4(),mt=re.vec4(),_t=re.vec4(),yt=re.vec4(),bt=re.mat4(),Bt=function(){};function wt(e,t,i){var r=e.getBoundingClientRect(),s=t.getBoundingClientRect();i[0]+=r.left-s.left,i[1]+=r.top-s.top}var Pt=function(e,t,i){bt.set(e.viewMatrix),bt.set(e.projMatrix),i.set(t),i[3]=1,re.mulMat4v4(e.viewMatrix,i,i),re.mulMat4v4(e.projMatrix,i,i)},xt=function(e,t,i,r){r[0]=.5*(1+i[0])*e.offsetWidth,r[1]=.5*(1-i[1])*e.offsetHeight,wt(e,t,r)},Ct=function(e,t,i,r,s,n){var o=e.camera,a=e.canvas.canvas;if(re.distVec3(i,r)<.001)return!1;var l,u=re.subVec3(r,i,ft),c=0,h=1,d=A(e._sectionPlanesState.sectionPlanes);try{for(d.s();!(l=d.n()).done;){var p=l.value,f=re.dotVec3(p.dir,re.subVec3(p.pos,r,vt)),v=re.dotVec3(p.dir,re.subVec3(p.pos,i,vt));if(v>0&&f>0)return!1;if(v>0||f>0){var g=re.dotVec3(p.dir,u);if(Math.abs(g)>=1e-6){var m=re.dotVec3(p.dir,vt)/g;v>0?c=Math.max(c,m):h=Math.min(h,m)}}}}catch(e){d.e(e)}finally{d.f()}var _=gt,y=mt;Pt(o,c>0?re.addVec3(i,re.mulVec3Scalar(u,c,vt),vt):i,_),Pt(o,h<1?re.addVec3(i,re.mulVec3Scalar(u,h,vt),vt):r,y);var b=_[2]/_[3]<-1||_[3]<0,B=y[2]/y[3]<-1||y[3]<0;if(b&&B)return!1;var w=(_[3]+_[2])/(_[3]+_[2]-(y[3]+y[2]));if(w>0&&w<1){var P=re.subVec4(y,_,_t);re.mulVec4Scalar(P,w,P),re.addVec4(_,P,b?_:y)}re.mulVec4Scalar(_,1/_[3]),re.mulVec4Scalar(y,1/y[3]);for(var x=0,C=1,M=0;M<2;++M){var E=y[M]-_[M],F=(-_[3]-_[M])/E,k=(_[3]-_[M])/E;E>0?(x=Math.max(x,F),C=Math.min(C,k)):(x=Math.max(x,k),C=Math.min(C,F))}if(x>=C)return!1;var I=re.subVec4(y,_,_t);return re.addVec4(_,re.mulVec4Scalar(I,C,yt),y),re.addVec4(_,re.mulVec4Scalar(I,x,yt),_),re.mulVec4Scalar(_,1/_[3]),re.mulVec4Scalar(y,1/y[3]),xt(a,t,_,s),xt(a,t,y,n),!0},Mt=function(e){p(i,ct);var t=v(i);function i(e,r,s){var n,o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{};P(this,i);var a=e.camera;(n=t.call(this,e,r)).__visible=!0;var l=function(e,t){return function(i){e&&e(i),n.fire(t,i,!0)}};n._dot=new Qe(s,{borderColor:o.borderColor,fillColor:o.fillColor,zIndex:o.zIndex,onMouseOver:l(o.onMouseOver,"mouseover"),onMouseLeave:l(o.onMouseLeave,"mouseleave"),onMouseWheel:l(o.onMouseWheel,"wheel"),onMouseDown:l(o.onMouseDown,"mousedown"),onMouseUp:l(o.onMouseUp,"mouseup"),onMouseMove:l(o.onMouseMove,"mousemove"),onTouchstart:l(o.onTouchstart,"touchstart"),onTouchmove:l(o.onTouchmove,"touchmove"),onTouchend:l(o.onTouchend,"touchend"),onContextMenu:l(o.onContextMenu,"contextmenu")});var u=function(e,t){t.set(e),t[3]=1,re.mulMat4v4(a.viewMatrix,t,t),re.mulMat4v4(a.projMatrix,t,t)},c=function(t){var i=e.canvas.canvas;t[0]=.5*(1+t[0])*i.offsetWidth,t[1]=.5*(1-t[1])*i.offsetHeight,wt(i,s,t)},A=function(){if(n.__visible){var t=_t;u(n.worldPos,t),re.mulVec3Scalar(t,1/t[3]);var i=t[3]<0||t[0]<-1||t[0]>1||t[1]<-1||t[1]>1||t[2]<-1||t[2]>1||e._sectionPlanesState.sectionPlanes.some((function(e){return re.dotVec3(e.dir,re.subVec3(e.pos,n.worldPos,ft))>0}));n._dot.setCulled(i),i||(c(t),n._dot.setPos(t[0],t[1]))}};n.on("worldPos",A);var h=a.on("viewMatrix",A),d=a.on("projMatrix",A),p=e.canvas.on("boundary",A),f=e.on("sectionPlaneUpdated",A);return n._updatePosition=A,n._cleanup=function(){a.off(h),a.off(d),e.canvas.off(p),e.off(f),n._dot.destroy()},n}return C(i,[{key:"setClickable",value:function(e){this._dot.setClickable(e)}},{key:"setFillColor",value:function(e){this._dot.setFillColor(e)}},{key:"setBorderColor",value:function(e){this._dot.setBorderColor(e)}},{key:"setHighlighted",value:function(e){this._dot.setHighlighted(e)}},{key:"setOpacity",value:function(e){this._dot.setOpacity(e)}},{key:"setVisible",value:function(e){this.__visible!=e&&(this.__visible=e,this._updatePosition(),this._dot.setVisible(e))}},{key:"destroy",value:function(){this._cleanup(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Et=function(){function e(t,i,r){var s=this;P(this,e);var n=t.camera;this._label=new Ve(i,r),this._start=re.vec3(),this._mid=re.vec3(),this._end=re.vec3(),this._yOff=0,this._betweenWires=!1,this.__visible=!0;var o=function(e,t,i){e[0]+=t[0],e[1]+=t[1],re.mulVec2Scalar(e,.5),s._label.setPos(e[0],e[1]+i)};this._updatePositions=function(){if(s.__visible)if(s._betweenWires){var e=Ct(t,i,s._start,s._mid,At,ht),r=Ct(t,i,s._end,s._mid,dt,pt);s._label.setCulled(!(e||r)),e&&r?(ht[0]+=pt[0],ht[1]+=pt[1],re.mulVec2Scalar(ht,.5),ht[0]+=At[0]+dt[0],ht[1]+=At[1]+dt[1],re.mulVec2Scalar(ht,1/3),s._label.setPos(ht[0],ht[1])):e?o(At,ht,0):r&&o(dt,pt,0)}else{var n=Ct(t,i,s._start,s._end,At,ht)&&re.distVec2(At,ht)>=s._labelMinAxisLength;s._label.setCulled(!n),n&&o(At,ht,s._yOff)}};var a=n.on("viewMatrix",this._updatePositions),l=n.on("projMatrix",this._updatePositions),u=t.canvas.on("boundary",this._updatePositions),c=t.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=function(){n.off(a),n.off(l),t.canvas.off(u),t.off(c),s._label.destroy()}}return C(e,[{key:"setPosOnWire",value:function(e,t,i,r){this._start.set(e),this._end.set(t),this._yOff=i,this._labelMinAxisLength=r,this._betweenWires=!1,this._updatePositions()}},{key:"setPosBetween",value:function(e,t,i){this._start.set(e),this._mid.set(t),this._end.set(i),this._betweenWires=!0,this._updatePositions()}},{key:"setFillColor",value:function(e){this._label.setFillColor(e)}},{key:"setHighlighted",value:function(e){this._label.setHighlighted(e)}},{key:"setText",value:function(e){this._label.setText(e)}},{key:"setClickable",value:function(e){this._label.setClickable(e)}},{key:"setVisible",value:function(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._label.setVisible(e))}},{key:"destroy",value:function(){this._cleanup()}}]),e}(),Ft=function(){function e(t,i,r){var s=this;P(this,e);var n=t.camera;this._wire=new He(i,r),this._start=re.vec3(),this._end=re.vec3(),this.__visible=!0,this._updatePositions=function(){if(s.__visible){var e=Ct(t,i,s._start,s._end,At,ht);s._wire.setCulled(!e),e&&s._wire.setStartAndEnd(At[0],At[1],ht[0],ht[1])}};var o=n.on("viewMatrix",this._updatePositions),a=n.on("projMatrix",this._updatePositions),l=t.canvas.on("boundary",this._updatePositions),u=t.on("sectionPlaneUpdated",this._updatePositions);this._cleanup=function(){n.off(o),n.off(a),t.canvas.off(l),t.off(u),s._wire.destroy()}}return C(e,[{key:"setEnds",value:function(e,t){this._start.set(e),this._end.set(t),this._updatePositions()}},{key:"setClickable",value:function(e){this._wire.setClickable(e)}},{key:"setColor",value:function(e){this._wire.setColor(e)}},{key:"setHighlighted",value:function(e){this._wire.setHighlighted(e)}},{key:"setOpacity",value:function(e){this._wire.setOpacity(e)}},{key:"setVisible",value:function(e){this.__visible!=e&&(this.__visible=e,this._updatePositions(),this._wire.setVisible(e))}},{key:"destroy",value:function(){this._cleanup()}}]),e}();function kt(e,t){var i,r=function(e,i){if(e in t)return t[e];if(void 0!==i)return i;throw"config missing: "+e},s=r("viewer"),n=r("ray2WorldPos"),o=r("handleMouseEvents",!1),a=r("handleTouchEvents",!1),l=r("onStart",Bt),u=r("onMove",Bt),A=r("onEnd",Bt),h=s.scene,d=h.canvas.canvas,p=function(e){var t=re.vec2([e.clientX,e.clientY]);wt(d.ownerDocument.documentElement,d,t),u(t,function(e){var t=re.vec3(),i=re.vec3();return re.canvasPosToWorldRay(d,h.camera.viewMatrix,h.camera.projMatrix,h.camera.projection,e,t,i),n(t,i,e)}(t))},f=null,v=function(e){var t=f.matchesEvent(e);t&&p(t)},g=function(t){var i=f.matchesEvent(t);i&&(e.setOpacity(b),f.cleanup(),p(i),A())},m=function(t,i){f&&f.cleanup(),e.setOpacity(1),e.setClickable(!1),s.cameraControl.active=!1,f={matchesEvent:t,cleanup:function(){f=null,e.setClickable(!0),s.cameraControl.active=!0,i()}},l()},_=[],y=function(t,i){var r=e.on(t,i);_.push((function(){return e.off(r)}))};(o&&(y("mouseover",(function(){return!f&&e.setOpacity(1)})),y("mouseleave",(function(){return!f&&e.setOpacity(b)})),y("mousedown",(function(e){1===e.which&&(d.addEventListener("mousemove",v),d.addEventListener("mouseup",g),m((function(e){return 1===e.which&&e}),(function(){d.removeEventListener("mousemove",v),d.removeEventListener("mouseup",g)})))}))),a)&&(y("touchstart",(function(e){e.preventDefault(),1===e.touches.length&&(i=e.touches[0].identifier,m((function(e){return c(e.changedTouches).find((function(e){return e.identifier===i}))}),(function(){i=null})))})),y("touchmove",(function(e){e.preventDefault(),v(e)})),y("touchend",(function(e){e.preventDefault(),g(e)})));var b=.8;return e.setOpacity(b),function(){f&&f.cleanup(),_.forEach((function(e){return e()})),e.setOpacity(1)}}function It(e){var t=function(t,i){if(t in e)return e[t];if(void 0!==i)return i;throw"config missing: "+t},i=t("viewer"),r=t("handleMouseEvents",!1),s=t("handleTouchEvents",!1),n=t("pointerLens",null),o=t("dots"),a=t("ray2WorldPos"),l=t("onEnd",Bt),u=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},c=o.map((function(e){var t;return kt(e,{handleMouseEvents:r,handleTouchEvents:s,viewer:i,ray2WorldPos:function(e,i,r){return a(e,i,r)||t},onStart:function(){t=e.worldPos.slice(),A(!1,e)},onMove:function(t,i){u(t),e.worldPos=i},onEnd:function(){l(t,e)||(e.worldPos=t),u(null),A(!0,e)}})})),A=function(e,t){return o.forEach((function(i){return i!==t&&i.setClickable(e)}))};return A(!0),function(){c.forEach((function(e){return e()})),u(null)}}var Dt=function(e,t,i){return function(r,s,n){var o,a=e.scene,l=a.canvas.canvas,u=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,wt(l.ownerDocument.documentElement,l,t),t},A=function(e){var t=re.vec3(),r=re.vec3();return re.canvasPosToWorldRay(l,a.camera.viewMatrix,a.camera.projMatrix,a.camera.projection,e,t,r),i(t,r)},h=null,d=function(){},p=d,f=function(){t.stop(),clearTimeout(h),e.cameraControl.active=!0,p=d,o=null},v=function(){f(),l.removeEventListener("touchstart",g),l.removeEventListener("touchmove",m),l.removeEventListener("touchend",_)},g=function(i){var n=i.touches;if(1!==n.length)f(),r();else{var a=n[0],l=u(a,re.vec2());A(l)&&(o=a.identifier,p=function(e){re.distVec2(l,e)>20&&f()},h=setTimeout((function(){t.start(l),h=setTimeout((function(){t.stop(),e.cameraControl.active=!1,p=function(e){s(e,A(e))},p(l)}),300)}),250))}};l.addEventListener("touchstart",g,{passive:!0});var m=function(e){var t=c(e.changedTouches).find((function(e){return e.identifier===o}));t&&p(u(t,re.vec2()))};l.addEventListener("touchmove",m,{passive:!0});var _=function(e){var t=c(e.changedTouches).find((function(e){return e.identifier===o}));if(t){v();var i=u(t,re.vec2());n(i,A(i))}};return l.addEventListener("touchend",_,{passive:!0}),v}},St=re.vec3(),Tt=re.vec3(),Rt=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=e.viewer.scene;(r=t.call(this,n,s)).plugin=e;var o=s.container;if(!o)throw"config missing: container";r._color=s.color||e.defaultColor;var a=function(e){var t=[],i=!1!==e;return{reg:function(e){return t.push(e)},get:function(){return i},set:function(e){i=!1!==e,t.forEach((function(e){return e(i)}))}}};r._visible=a(s.visible),r._originVisible=a(s.originVisible),r._cornerVisible=a(s.cornerVisible),r._targetVisible=a(s.targetVisible),r._originWireVisible=a(s.originWireVisible),r._targetWireVisible=a(s.targetWireVisible),r._angleVisible=a(s.angleVisible),r._labelsVisible=a(),r.labelsVisible=s.labelsVisible,r._clickable=a(!1),r.approximate=s.approximate;var l=n.canvas.canvas,u=s.onMouseOver?function(e){s.onMouseOver(e,m(r)),l.dispatchEvent(new MouseEvent("mouseover",e))}:null,c=s.onMouseLeave?function(e){s.onMouseLeave(e,m(r)),l.dispatchEvent(new MouseEvent("mouseleave",e))}:null,A=s.onContextMenu?function(e){s.onContextMenu(e,m(r))}:null,h=function(e){return l.dispatchEvent(new MouseEvent("mousedown",e))},d=function(e){return l.dispatchEvent(new MouseEvent("mouseup",e))},p=function(e){return l.dispatchEvent(new MouseEvent("mousemove",e))},f=function(e){return l.dispatchEvent(new WheelEvent("wheel",e))};r._cleanups=[],r._drawables=[];var v=function(e,t){var i=function(){return e.setVisible(t.every((function(e){return e.get()})))};t.forEach((function(e){return e.reg(i)})),r._drawables.push(e),r._cleanups.push((function(){return e.destroy()}))},g=function(t,i,r){var s=new Ft(n,o,{color:t,thickness:i,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return v(s,r),{setEnds:function(e,t){return s.setEnds(e,t)},setColor:function(e){return s.setColor(e)}}};r._originWire=g(r._color||"blue",1,[r._visible,r._originWireVisible]),r._targetWire=g(r._color||"red",1,[r._visible,r._targetWireVisible]);var _=function(t,i,r){var s=new Et(n,o,{fillColor:t,zIndex:e.zIndex+i,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return v(s,r),{setFillColor:function(e){return s.setFillColor(e)},setPosOnWire:function(e,t,i){return s.setPosOnWire(e,t,i)},setPosBetween:function(e,t,i){return s.setPosBetween(e,t,i)},setText:function(e){return s.setText(e)}}};r._angleLabel=_(r._color||"#00BBFF",2,[r._visible,r._angleVisible,r._labelsVisible]);var y=function(t,i){var s=new Mt(n,t,o,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return s.on("worldPos",(function(){return r._update()})),v(s,i),s};return r._originDot=y(s.origin,[r._visible,r._originVisible]),r._cornerDot=y(s.corner,[r._visible,r._cornerVisible]),r._targetDot=y(s.target,[r._visible,r._targetVisible]),r._update(),r}return C(i,[{key:"_update",value:function(){if(this._targetDot){var e=this._originDot.worldPos,t=this._cornerDot.worldPos,i=this._targetDot.worldPos;this._originWire.setEnds(e,t),this._targetWire.setEnds(t,i),this._angleLabel.setPosBetween(e,t,i),re.subVec3(e,t,St),re.subVec3(i,t,Tt),re.lenVec3(St)>0&&re.lenVec3(Tt)>0?(re.normalizeVec3(St),re.normalizeVec3(Tt),this._angle=Math.abs(re.angleVec3(St,Tt))*re.RADTODEG,this._angleLabel.setText((this._approximate?" ~ ":" = ")+this._angle.toFixed(2)+"°")):(this._angle=void 0,this._angleLabel.setText(""))}}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}},{key:"origin",get:function(){return this._originDot}},{key:"corner",get:function(){return this._cornerDot}},{key:"target",get:function(){return this._targetDot}},{key:"angle",get:function(){return this._angle}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._originDot.setFillColor(e),this._cornerDot.setFillColor(e),this._targetDot.setFillColor(e),this._originWire.setColor(e||"blue"),this._targetWire.setColor(e||"red"),this._angleLabel.setFillColor(e||"#00BBFF")}},{key:"visible",get:function(){return this._visible.get()},set:function(e){this._visible.set(e)}},{key:"originVisible",get:function(){return this._originVisible.get()},set:function(e){this._originVisible.set(e)}},{key:"cornerVisible",get:function(){return this._cornerVisible.get()},set:function(e){this._cornerVisible.set(e)}},{key:"targetVisible",get:function(){return this._targetVisible.get()},set:function(e){this._targetVisible.set(e)}},{key:"originWireVisible",get:function(){return this._originWireVisible.get()},set:function(e){this._originWireVisible.set(e)}},{key:"targetWireVisible",get:function(){return this._targetWireVisible.get()},set:function(e){this._targetWireVisible.set(e)}},{key:"angleVisible",get:function(){return this._angleVisible.get()},set:function(e){this._angleVisible.set(e)}},{key:"labelsVisible",get:function(){return this._labelsVisible.get()},set:function(e){this._labelsVisible.set(void 0!==e?Boolean(e):this.plugin.defaultLabelsVisible)}},{key:"setHighlighted",value:function(e){this._drawables.forEach((function(t){return t.setHighlighted(e)}))}},{key:"clickable",get:function(){return this._clickable.get()},set:function(e){var t=this;this._clickable.set(!!e),this._drawables.forEach((function(e){return e.setClickable(t._clickable.get())}))}},{key:"destroy",value:function(){this._cleanups.forEach((function(e){return e()})),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Lt=function(e){p(i,Ce);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),Ut=function(e){p(i,Lt);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentAngleMeasurement=null,r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this.markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this.markerDiv&&(this.markerDiv.parentNode.removeChild(this.markerDiv),this.markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this.markerDiv||this._initMarkerDiv(),this.angleMeasurementsPlugin;var t=this.scene;t.input;var i=t.canvas.canvas,r=this.angleMeasurementsPlugin.viewer.cameraControl,s=this.pointerLens,n=!1,o=null,a=0,l=0,u=re.vec3(),c=re.vec2();this._currentAngleMeasurement=null;var A=re.vec2(),h=function(t){t.snappedToVertex||t.snappedToEdge?(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!0),e.markerDiv.style.background="greenyellow",e.markerDiv.style.border="2px solid green"):(s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.canvasPos,s.snapped=!1),e.markerDiv.style.background="pink",e.markerDiv.style.border="2px solid red");var r=t.snappedCanvasPos||t.canvasPos;switch(n=!0,o=t.entity,u.set(t.worldPos),c.set(r),e._mouseState){case 0:if(e._canvasToPagePos)e._canvasToPagePos(i,r,A),e.markerDiv.style.left="".concat(A[0]-5,"px"),e.markerDiv.style.top="".concat(A[1]-5,"px");else{var a=re.vec2(r);wt(i,e.markerDiv.parentNode,a),e.markerDiv.style.left="".concat(a[0]-5,"px"),e.markerDiv.style.top="".concat(a[1]-5,"px")}break;case 1:e._currentAngleMeasurement&&(e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer";break;case 2:e._currentAngleMeasurement&&(e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity),e.markerDiv.style.left="-10000px",e.markerDiv.style.top="-10000px",i.style.cursor="pointer"}};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&h(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||h(t)})),i.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(a=e.clientX,l=e.clientY)}),i.addEventListener("mouseup",this._onMouseUp=function(t){if(1===t.which&&!(t.clientX>a+20||t.clientX<a-20||t.clientY>l+20||t.clientY<l-20))switch(e._mouseState){case 0:n&&(e._currentAngleMeasurement=e.angleMeasurementsPlugin.createMeasurement({id:re.createUUID(),origin:{worldPos:u,entity:o},corner:{worldPos:u,entity:o},target:{worldPos:u,entity:o},approximate:!0}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._currentAngleMeasurement.origin.entity=o,e._mouseState=1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement));break;case 1:n?(e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.corner.entity=o,e._mouseState=2):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement));break;case 2:n?(e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e._currentAngleMeasurement.target.entity=o,e._currentAngleMeasurement.clickable=!0,o=null,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._mouseState=0):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null,o=null,e._mouseState=0,e.angleMeasurementsPlugin.fire("measurementCancel",e._currentAngleMeasurement))}});var d=function(t){if(n=!1,s&&(s.visible=!0,s.canvasPos=t.canvasPos,s.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,s.snapped=!1),e.markerDiv.style.left="-100px",e.markerDiv.style.top="-100px",e._currentAngleMeasurement){switch(e._mouseState){case 0:e._currentAngleMeasurement.originVisible=!1;break;case 1:e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1;break;case 2:e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1}i.style.cursor="default"}};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&d(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||d(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.angleMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentAngleMeasurement&&(this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Ot=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"AngleMeasurements",e))._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:m(r),angleMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:m(r),angleMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:m(r),angleMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new Ut(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.corner,s=t.target,n=new Rt(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},corner:{entity:r.entity,worldPos:r.worldPos},target:{entity:s.entity,worldPos:s.worldPos},visible:t.visible,originVisible:!0,originWireVisible:!0,cornerVisible:!0,targetWireVisible:!0,targetVisible:!0,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[n.id]=n,n.on("destroyed",(function(){delete e._measurements[n.id]})),n.clickable=!0,this.fire("measurementCreated",n),n}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("AngleMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=b(i[t],2);r[0];r[1].labelShown=e}}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Nt=re.vec2(),Qt=function(e){p(i,Lt);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentAngleMeasurement=null,r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._touchState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.angleMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),c=null,A=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0},d=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,wt(r.ownerDocument.documentElement,r,t),t},p=function(e,t){return t.set(e),wt(r,r.ownerDocument.documentElement,t),t};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var f=r.touches[0];switch(d(f,a),l.set(a),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(p(v.snappedCanvasPos,Nt));else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(p(g.canvasPos,Nt))}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement?e._currentAngleMeasurement.origin.worldPos=s:(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:v.worldPos,entity:v.entity},corner:{worldPos:v.worldPos,entity:v.entity},target:{worldPos:v.worldPos,entity:v.entity}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement),e._touchState=2,A())}),e._longTouchTimeoutMs),e._touchState=1,c=f.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(p(t.snappedCanvasPos,Nt)),s.set(t.worldPos),e._currentAngleMeasurement.corner.worldPos=t.worldPos,e._currentAngleMeasurement.corner.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(p(r.canvasPos,Nt)),s.set(r.worldPos),e._currentAngleMeasurement.corner.worldPos=r.worldPos,e._currentAngleMeasurement.corner.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,A()}}),e._longTouchTimeoutMs),e._touchState=4),c=f.identifier;break;case 6:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(p(t.snappedCanvasPos,Nt)),s.set(t.worldPos),e._currentAngleMeasurement.target.worldPos=t.worldPos,e._currentAngleMeasurement.target.entity=t.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(p(r.canvasPos,Nt)),s.set(r.worldPos),e._currentAngleMeasurement.target.worldPos=r.worldPos,e._currentAngleMeasurement.target.entity=r.entity,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementStart",e._currentAngleMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=8,A()}}),e._longTouchTimeoutMs),e._touchState=7),c=f.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(t){e.pointerCircle.stop();var r=t.touches.length;if(1===r&&1===t.changedTouches.length){var n,a,u=t.touches[0];if(u.identifier===c)switch(d(u,l),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(n.worldPos),e._currentAngleMeasurement.origin.worldPos=n.worldPos):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),s.set(a.worldPos),e._currentAngleMeasurement.origin.worldPos=a.worldPos):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.corner.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.corner.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1),e._touchState=5;break;case 8:if(1!==r&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(n=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&n.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=n.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentAngleMeasurement.target.worldPos=n.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0):(a=i.pick({canvasPos:l,pickSurface:!0}))&&a.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=a.canvasPos,e.pointerLens.snapped=!1),e._currentAngleMeasurement.target.worldPos=a.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0),e._touchState=8}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var A=r.changedTouches[0];if(A.identifier===c){o&&(clearTimeout(o),o=null),d(A,u);var p=u[0],f=u[1];switch(e._touchState){case 1:if(1!==s||p>a[0]+n||p<a[0]-n||f>a[1]+n||f<a[1]-n)return void(e._touchState=0);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentAngleMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:v.worldPos},corner:{worldPos:v.worldPos},target:{worldPos:v.worldPos}}),e._currentAngleMeasurement.clickable=!1,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!1,e._currentAngleMeasurement.cornerVisible=!1,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=3):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||p>a[0]+n||p<a[0]-n||f>a[1]+n||f<a[1]-n)return void(e._touchState=3);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentAngleMeasurement.corner.worldPos=g.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!1,e._currentAngleMeasurement.targetVisible=!1,e._currentAngleMeasurement.targetWireVisible=!1,e._currentAngleMeasurement.angleVisible=!1,e._touchState=6):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h();break;case 5:e.pointerLens&&(e.pointerLens.visible=!1),e._touchState=6,h();break;case 7:if(1!==s||p>a[0]+n||p<a[0]-n||f>a[1]+n||f<a[1]-n)return void(e._touchState=6);var m=i.pick({canvasPos:l,pickSurface:!0});m&&m.worldPos?(e._currentAngleMeasurement.target.worldPos=m.worldPos,e._currentAngleMeasurement.originVisible=!0,e._currentAngleMeasurement.originWireVisible=!0,e._currentAngleMeasurement.cornerVisible=!0,e._currentAngleMeasurement.cornerWireVisible=!0,e._currentAngleMeasurement.targetVisible=!0,e._currentAngleMeasurement.targetWireVisible=!0,e._currentAngleMeasurement.angleVisible=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null):e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0,h();break;case 8:e.pointerLens&&(e.pointerLens.visible=!1),e._currentAngleMeasurement&&e._currentAngleMeasurement.targetVisible?(e._currentAngleMeasurement.clickable=!0,e.angleMeasurementsPlugin.fire("measurementEnd",e._currentAngleMeasurement),e._currentAngleMeasurement=null,e._touchState=0):(e._currentAngleMeasurement&&(e._currentAngleMeasurement.destroy(),e._currentAngleMeasurement=null),e._touchState=0),h()}}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentAngleMeasurement&&(this.angleMeasurementsPlugin.fire("measurementCancel",this._currentAngleMeasurement),this._currentAngleMeasurement.destroy(),this._currentAngleMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentAngleMeasurement}},{key:"destroy",value:function(){this.deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Vt=function(e){p(i,Ce);var t=v(i);function i(e,r,s,n){var o;P(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=It({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.corner,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Ht=function(e){p(i,Vt);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),jt=function(e){p(i,Vt);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Gt=re.vec3(),zt=re.vec3(),Kt=re.vec3(),Wt=function(e){p(i,ct);var t=v(i);function i(e,r){var s;if(P(this,i),(s=t.call(this,e,r)).plugin=r.plugin,s._container=r.container,!s._container)throw"config missing: container";if(!r.markerElement&&!r.markerHTML)throw"config missing: need either markerElement or markerHTML";if(!r.labelElement&&!r.labelHTML)throw"config missing: need either labelElement or labelHTML";return s._htmlDirty=!1,r.markerElement?(s._marker=r.markerElement,s._marker.addEventListener("click",s._onMouseClickedExternalMarker=function(){s.plugin.fire("markerClicked",m(s))}),s._onContextMenuExternalMarker=function(){s.plugin.fire("contextmenu",m(s))},s._onContextMenuExternalMarkerRemover=Ne(s._marker,s._onContextMenuExternalMarker),s._marker.addEventListener("mouseenter",s._onMouseEnterExternalMarker=function(){s.plugin.fire("markerMouseEnter",m(s))}),s._marker.addEventListener("mouseleave",s._onMouseLeaveExternalMarker=function(){s.plugin.fire("markerMouseLeave",m(s))}),s._markerExternal=!0):(s._markerHTML=r.markerHTML,s._htmlDirty=!0,s._markerExternal=!1),r.labelElement?(s._label=r.labelElement,s._labelExternal=!0):(s._labelHTML=r.labelHTML,s._htmlDirty=!0,s._labelExternal=!1),s._markerShown=!!r.markerShown,s._labelShown=!!r.labelShown,s._values=r.values||{},s._layoutDirty=!0,s._visibilityDirty=!0,s._labelPosition=24,s._buildHTML(),s._onTick=s.scene.on("tick",(function(){s._htmlDirty&&(s._buildHTML(),s._htmlDirty=!1,s._layoutDirty=!0,s._visibilityDirty=!0),(s._layoutDirty||s._visibilityDirty)&&(s._markerShown||s._labelShown)&&(s._updatePosition(),s._layoutDirty=!1),s._visibilityDirty&&(s._marker.style.visibility=s.visible&&s._markerShown?"visible":"hidden",s._label.style.visibility=s.visible&&s._markerShown&&s._labelShown?"visible":"hidden",s._visibilityDirty=!1)})),s.on("canvasPos",(function(){s._layoutDirty=!0})),s.on("visible",(function(){s._visibilityDirty=!0})),s.setMarkerShown(!1!==r.markerShown),s.setLabelShown(r.labelShown),s.eye=r.eye?r.eye.slice():null,s.look=r.look?r.look.slice():null,s.up=r.up?r.up.slice():null,s.projection=r.projection,s}return C(i,[{key:"_buildHTML",value:function(){var e=this;if(!this._markerExternal){this._marker&&(this._container.removeChild(this._marker),this._marker=null);var t=this._markerHTML||"<p></p>";he.isArray(t)&&(t=t.join("")),t=this._renderTemplate(t.trim());var i=document.createRange().createContextualFragment(t);this._marker=i.firstChild,this._container.appendChild(this._marker),this._marker.style.visibility=this._markerShown?"visible":"hidden",this._marker.addEventListener("click",(function(){e.plugin.fire("markerClicked",e)})),Ne(this._marker,(function(t){t.preventDefault(),e.plugin.fire("contextmenu",e)}),(function(t){t.preventDefault(),e.plugin.fire("markerClicked",e)})),this._marker.addEventListener("mouseenter",(function(){e.plugin.fire("markerMouseEnter",e)})),this._marker.addEventListener("mouseleave",(function(){e.plugin.fire("markerMouseLeave",e)})),this._marker.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}if(!this._labelExternal){this._label&&(this._container.removeChild(this._label),this._label=null);var r=this._labelHTML||"<p></p>";he.isArray(r)&&(r=r.join("")),r=this._renderTemplate(r.trim());var s=document.createRange().createContextualFragment(r);this._label=s.firstChild,this._container.appendChild(this._label),this._label.style.visibility=this._markerShown&&this._labelShown?"visible":"hidden",this._label.addEventListener("wheel",(function(t){e.plugin.viewer.scene.canvas.canvas.dispatchEvent(new WheelEvent("wheel",t))}))}}},{key:"_updatePosition",value:function(){var e=function(e){return e+"px"},t=this.scene.canvas.boundary,i=t[0]+this.canvasPos[0],r=t[1]+this.canvasPos[1],s=this._marker.getBoundingClientRect().width,n=i+("right"===this._markerAlign?-1:"center"===this._markerAlign?0:1)*(s/2-12);this._marker.style.left=e(n-s/2),this._marker.style.top=e(r-12),this._marker.style["z-index"]=90005+Math.floor(this._viewPos[2])+1;var o=this._label.getBoundingClientRect().width,a=Math.sign(this._labelPosition);this._label.style.left=e(n+a*(s/2+Math.abs(this._labelPosition)+o/2)-o/2),this._label.style.top=e(r-17),this._label.style["z-index"]=90005+Math.floor(this._viewPos[2])+1}},{key:"_renderTemplate",value:function(e){for(var t in this._values)if(this._values.hasOwnProperty(t)){var i=this._values[t];e=e.replace(new RegExp("{{"+t+"}}","g"),i)}return e}},{key:"setFromPickResult",value:function(e){if(e.worldPos&&e.worldNormal){var t=re.normalizeVec3(e.worldNormal,Gt),i=this.plugin&&this.plugin.surfaceOffset||0,r=re.mulVec3Scalar(t,i,zt),s=re.addVec3(e.worldPos,r,Kt);this.entity=e.entity,this.worldPos=s}else this.error("Param 'pickResult' does not have both worldPos and worldNormal")}},{key:"setMarkerAlign",value:function(e){var t=["left","center","right"];t.includes(e)?(this._markerAlign=e,this._updatePosition()):this.error("Param 'align' should be one of: "+JSON.stringify(t))}},{key:"setLabelPosition",value:function(e){"number"!=typeof e?this.error("Param 'position' is not a number"):0===e?this.error("Param 'position' is zero"):(this._labelPosition=e,this._updatePosition())}},{key:"setMarkerShown",value:function(e){e=!!e,this._markerShown!==e&&(this._markerShown=e,this._visibilityDirty=!0)}},{key:"getMarkerShown",value:function(){return this._markerShown}},{key:"setLabelShown",value:function(e){e=!!e,this._labelShown!==e&&(this._labelShown=e,this._visibilityDirty=!0)}},{key:"getLabelShown",value:function(){return this._labelShown}},{key:"setField",value:function(e,t){this._values[e]=t||"",this._htmlDirty=!0}},{key:"getField",value:function(e){return this._values[e]}},{key:"setValues",value:function(e){for(var t in e)if(e.hasOwnProperty(t)){var i=e[t];this.setField(t,i)}}},{key:"getValues",value:function(){return this._values}},{key:"destroy",value:function(){this._marker&&(this._markerExternal?(this._marker.removeEventListener("click",this._onMouseClickedExternalMarker),this._onContextMenuExternalMarkerRemover(),this._marker.removeEventListener("mouseenter",this._onMouseEnterExternalMarker),this._marker.removeEventListener("mouseleave",this._onMouseLeaveExternalMarker),this._marker=null):(this._marker.parentNode.removeChild(this._marker),this._marker=null)),this._label&&(this._labelExternal||this._label.parentNode.removeChild(this._label),this._label=null),this.scene.off(this._onTick),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Xt=function(e){p(i,Ue);var t=v(i);function i(e,r){var s;return P(this,i),(s=t.call(this,"Annotations",e))._labelHTML=r.labelHTML||"<div></div>",s._markerHTML=r.markerHTML||"<div></div>",s._container=r.container||document.body,s._values=r.values||{},s.annotations={},s.surfaceOffset=r.surfaceOffset,s}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){if("clearAnnotations"===e)this.clear()}},{key:"surfaceOffset",get:function(){return this._surfaceOffset},set:function(e){null==e&&(e=.3),this._surfaceOffset=e}},{key:"createAnnotation",value:function(e){var t=this;this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var i=null;e.markerElementId&&((i=document.getElementById(e.markerElementId))||this.error("Can't find DOM element for 'markerElementId' value '"+e.markerElementId+"' - defaulting to internally-generated empty DIV"));var r=null;e.labelElementId&&((r=document.getElementById(e.labelElementId))||this.error("Can't find DOM element for 'labelElementId' value '"+e.labelElementId+"' - defaulting to internally-generated empty DIV"));var s=new Wt(this.viewer.scene,{id:e.id,plugin:this,container:this._container,markerElement:i,labelElement:r,markerHTML:e.markerHTML||this._markerHTML,labelHTML:e.labelHTML||this._labelHTML,occludable:e.occludable,values:he.apply(e.values,he.apply(this._values,{})),markerShown:e.markerShown,labelShown:e.labelShown,eye:e.eye,look:e.look,up:e.up,projection:e.projection,visible:!1!==e.visible});return e.pickResult=e.pickResult||e.pickRecord,e.pickResult?s.setFromPickResult(e.pickResult):(s.entity=e.entity,s.worldPos=e.worldPos),this.annotations[s.id]=s,s.on("destroyed",(function(){delete t.annotations[s.id],t.fire("annotationDestroyed",s.id)})),this.fire("annotationCreated",s.id),s}},{key:"destroyAnnotation",value:function(e){var t=this.annotations[e];t?t.destroy():this.log("Annotation not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.annotations),t=0,i=e.length;t<i;t++)this.destroyAnnotation(e[t])}},{key:"destroy",value:function(){this.clear(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Jt=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._canvas=s.canvas,r._element=null,r._isCustom=!1,s.elementId&&(r._element=document.getElementById(s.elementId),r._element?r._adjustPosition():r.error("Can't find given Spinner HTML element: '"+s.elementId+"' - will automatically create default element")),r._element||r._createDefaultSpinner(),r.processes=0,r}return C(i,[{key:"type",get:function(){return"Spinner"}},{key:"_createDefaultSpinner",value:function(){this._injectDefaultCSS();var e=document.createElement("div"),t=e.style;t["z-index"]="9000",t.position="absolute",e.innerHTML='<div class="sk-fading-circle">                <div class="sk-circle1 sk-circle"></div>                <div class="sk-circle2 sk-circle"></div>                <div class="sk-circle3 sk-circle"></div>                <div class="sk-circle4 sk-circle"></div>                <div class="sk-circle5 sk-circle"></div>                <div class="sk-circle6 sk-circle"></div>                <div class="sk-circle7 sk-circle"></div>                <div class="sk-circle8 sk-circle"></div>                <div class="sk-circle9 sk-circle"></div>                <div class="sk-circle10 sk-circle"></div>                <div class="sk-circle11 sk-circle"></div>                <div class="sk-circle12 sk-circle"></div>                </div>',this._canvas.parentElement.appendChild(e),this._element=e,this._isCustom=!1,this._adjustPosition()}},{key:"_injectDefaultCSS",value:function(){var e="xeokit-spinner-css";if(!document.getElementById(e)){var t=document.createElement("style");t.innerHTML=".sk-fading-circle {        background: transparent;        margin: 20px auto;        width: 50px;        height:50px;        position: relative;        }        .sk-fading-circle .sk-circle {        width: 120%;        height: 120%;        position: absolute;        left: 0;        top: 0;        }        .sk-fading-circle .sk-circle:before {        content: '';        display: block;        margin: 0 auto;        width: 15%;        height: 15%;        background-color: #ff8800;        border-radius: 100%;        -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;        }        .sk-fading-circle .sk-circle2 {        -webkit-transform: rotate(30deg);        -ms-transform: rotate(30deg);        transform: rotate(30deg);    }    .sk-fading-circle .sk-circle3 {        -webkit-transform: rotate(60deg);        -ms-transform: rotate(60deg);        transform: rotate(60deg);    }    .sk-fading-circle .sk-circle4 {        -webkit-transform: rotate(90deg);        -ms-transform: rotate(90deg);        transform: rotate(90deg);    }    .sk-fading-circle .sk-circle5 {        -webkit-transform: rotate(120deg);        -ms-transform: rotate(120deg);        transform: rotate(120deg);    }    .sk-fading-circle .sk-circle6 {        -webkit-transform: rotate(150deg);        -ms-transform: rotate(150deg);        transform: rotate(150deg);    }    .sk-fading-circle .sk-circle7 {        -webkit-transform: rotate(180deg);        -ms-transform: rotate(180deg);        transform: rotate(180deg);    }    .sk-fading-circle .sk-circle8 {        -webkit-transform: rotate(210deg);        -ms-transform: rotate(210deg);        transform: rotate(210deg);    }    .sk-fading-circle .sk-circle9 {        -webkit-transform: rotate(240deg);        -ms-transform: rotate(240deg);        transform: rotate(240deg);    }    .sk-fading-circle .sk-circle10 {        -webkit-transform: rotate(270deg);        -ms-transform: rotate(270deg);        transform: rotate(270deg);    }    .sk-fading-circle .sk-circle11 {        -webkit-transform: rotate(300deg);        -ms-transform: rotate(300deg);        transform: rotate(300deg);    }    .sk-fading-circle .sk-circle12 {        -webkit-transform: rotate(330deg);        -ms-transform: rotate(330deg);        transform: rotate(330deg);    }    .sk-fading-circle .sk-circle2:before {        -webkit-animation-delay: -1.1s;        animation-delay: -1.1s;    }    .sk-fading-circle .sk-circle3:before {        -webkit-animation-delay: -1s;        animation-delay: -1s;    }    .sk-fading-circle .sk-circle4:before {        -webkit-animation-delay: -0.9s;        animation-delay: -0.9s;    }    .sk-fading-circle .sk-circle5:before {        -webkit-animation-delay: -0.8s;        animation-delay: -0.8s;    }    .sk-fading-circle .sk-circle6:before {        -webkit-animation-delay: -0.7s;        animation-delay: -0.7s;    }    .sk-fading-circle .sk-circle7:before {        -webkit-animation-delay: -0.6s;        animation-delay: -0.6s;    }    .sk-fading-circle .sk-circle8:before {        -webkit-animation-delay: -0.5s;        animation-delay: -0.5s;    }    .sk-fading-circle .sk-circle9:before {        -webkit-animation-delay: -0.4s;        animation-delay: -0.4s;    }    .sk-fading-circle .sk-circle10:before {        -webkit-animation-delay: -0.3s;        animation-delay: -0.3s;    }    .sk-fading-circle .sk-circle11:before {        -webkit-animation-delay: -0.2s;        animation-delay: -0.2s;    }    .sk-fading-circle .sk-circle12:before {        -webkit-animation-delay: -0.1s;        animation-delay: -0.1s;    }    @-webkit-keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }    @keyframes sk-circleFadeDelay {        0%, 39%, 100% { opacity: 0; }        40% { opacity: 1; }    }",t.id=e,document.body.appendChild(t)}}},{key:"_adjustPosition",value:function(){if(!this._isCustom){var e=this._canvas,t=this._element,i=t.style;i.left=e.offsetLeft+.5*e.clientWidth-.5*t.clientWidth+"px",i.top=e.offsetTop+.5*e.clientHeight-.5*t.clientHeight+"px"}}},{key:"processes",get:function(){return this._processes},set:function(e){if(e=e||0,this._processes!==e&&!(e<0)){var t=this._processes;this._processes=e;var i=this._element;i&&(i.style.visibility=this._processes>0?"visible":"hidden"),this.fire("processes",this._processes),0===this._processes&&this._processes!==t&&this.fire("zeroProcesses",this._processes)}}},{key:"_destroy",value:function(){this._element&&!this._isCustom&&(this._element.parentNode.removeChild(this._element),this._element=null);var e=document.getElementById("xeokit-spinner-css");e&&e.parentNode.removeChild(e)}}]),i}(),Yt=["webgl2","experimental-webgl","webkit-3d","moz-webgl","moz-glweb20"],Zt=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s))._backgroundColor=re.vec3([s.backgroundColor?s.backgroundColor[0]:1,s.backgroundColor?s.backgroundColor[1]:1,s.backgroundColor?s.backgroundColor[2]:1]),r._backgroundColorFromAmbientLight=!!s.backgroundColorFromAmbientLight,r.canvas=s.canvas,r.gl=null,r.webgl2=!1,r.transparent=!!s.transparent,r.contextAttr=s.contextAttr||{},r.contextAttr.alpha=r.transparent,r.contextAttr.preserveDrawingBuffer=!!r.contextAttr.preserveDrawingBuffer,r.contextAttr.stencil=!1,r.contextAttr.premultipliedAlpha=!!r.contextAttr.premultipliedAlpha,r.contextAttr.antialias=!1!==r.contextAttr.antialias,r.resolutionScale=s.resolutionScale,r.canvas.width=Math.round(r.canvas.clientWidth*r._resolutionScale),r.canvas.height=Math.round(r.canvas.clientHeight*r._resolutionScale),r.boundary=[r.canvas.offsetLeft,r.canvas.offsetTop,r.canvas.clientWidth,r.canvas.clientHeight],r._initWebGL(s);var n=m(r);r.canvas.addEventListener("webglcontextlost",r._webglcontextlostListener=function(e){console.time("webglcontextrestored"),n.scene._webglContextLost(),n.fire("webglcontextlost"),e.preventDefault()},!1),r.canvas.addEventListener("webglcontextrestored",r._webglcontextrestoredListener=function(e){n._initWebGL(),n.gl&&(n.scene._webglContextRestored(n.gl),n.fire("webglcontextrestored",n.gl),e.preventDefault()),console.timeEnd("webglcontextrestored")},!1);var o=!0,a=new ResizeObserver((function(e){var t,i=A(e);try{for(i.s();!(t=i.n()).done;){t.value.contentBoxSize&&(o=!0)}}catch(e){i.e(e)}finally{i.f()}}));return a.observe(r.canvas),r._tick=r.scene.on("tick",(function(){o&&(o=!1,n.canvas.width=Math.round(n.canvas.clientWidth*n._resolutionScale),n.canvas.height=Math.round(n.canvas.clientHeight*n._resolutionScale),n.boundary[0]=n.canvas.offsetLeft,n.boundary[1]=n.canvas.offsetTop,n.boundary[2]=n.canvas.clientWidth,n.boundary[3]=n.canvas.clientHeight,n.fire("boundary",n.boundary))})),r._spinner=new Jt(r.scene,{canvas:r.canvas,elementId:s.spinnerElementId}),r}return C(i,[{key:"type",get:function(){return"Canvas"}},{key:"backgroundColorFromAmbientLight",get:function(){return this._backgroundColorFromAmbientLight},set:function(e){this._backgroundColorFromAmbientLight=!1!==e,this.glRedraw()}},{key:"backgroundColor",get:function(){return this._backgroundColor},set:function(e){e?(this._backgroundColor[0]=e[0],this._backgroundColor[1]=e[1],this._backgroundColor[2]=e[2]):(this._backgroundColor[0]=1,this._backgroundColor[1]=1,this._backgroundColor[2]=1),this.glRedraw()}},{key:"resolutionScale",get:function(){return this._resolutionScale},set:function(e){if((e=e||1)!==this._resolutionScale){this._resolutionScale=e;var t=this.canvas;t.width=Math.round(t.clientWidth*this._resolutionScale),t.height=Math.round(t.clientHeight*this._resolutionScale),this.glRedraw()}}},{key:"spinner",get:function(){return this._spinner}},{key:"_createCanvas",value:function(){var e="xeokit-canvas-"+re.createUUID(),t=document.getElementsByTagName("body")[0],i=document.createElement("div"),r=i.style;r.height="100%",r.width="100%",r.padding="0",r.margin="0",r.background="rgba(0,0,0,0);",r.float="left",r.left="0",r.top="0",r.position="absolute",r.opacity="1.0",r["z-index"]="-10000",i.innerHTML+='<canvas id="'+e+'" style="width: 100%; height: 100%; float: left; margin: 0; padding: 0;"></canvas>',t.appendChild(i),this.canvas=document.getElementById(e)}},{key:"_getElementXY",value:function(e){for(var t=0,i=0;e;)t+=e.offsetLeft-e.scrollLeft,i+=e.offsetTop-e.scrollTop,e=e.offsetParent;return{x:t,y:i}}},{key:"_initWebGL",value:function(){if(!this.gl)for(var e=0;!this.gl&&e<Yt.length;e++)try{this.gl=this.canvas.getContext(Yt[e],this.contextAttr)}catch(e){}this.gl||(this.error("Failed to get a WebGL context"),this.fire("webglContextFailed",!0,!0));var t=this.gl,i="__",r=t.activeTexture;t.activeTexture=function(e){i!==e&&(i=e,r.call(this,e))};var s={},n=t.bindTexture;t.bindTexture=function(e,t){s[i]!==t&&(s[i]=t,n.call(this,e,t))},this.gl&&this.webgl2&&(this.gl.hint(this.gl.FRAGMENT_SHADER_DERIVATIVE_HINT,this.gl.FASTEST),this.gl,WebGL2RenderingContext)}},{key:"getSnapshot",value:function(e){throw"Canvas#getSnapshot() has been replaced by Viewer#getSnapshot() - use that method instead."}},{key:"readPixels",value:function(e,t,i,r){return this.scene._renderer.readPixels(e,t,i,r)}},{key:"loseWebGLContext",value:function(){this.canvas.loseContext&&this.canvas.loseContext()}},{key:"destroy",value:function(){this.scene.off(this._tick),this._spinner._destroy(),this.canvas.removeEventListener("webglcontextlost",this._webglcontextlostListener),this.canvas.removeEventListener("webglcontextrestored",this._webglcontextrestoredListener),this.gl=null,h(_(i.prototype),"destroy",this).call(this)}}]),i}(),qt=function(){function e(t){P(this,e),this._scene=t,this._matPool=[],this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.reset()}return C(e,[{key:"reset",value:function(){this._matPoolNextFreeIndex=0,this._rtcViewMats={},this._rtcPickViewMats={},this.gl=this._scene.canvas.gl,this.lastProgramId=null,this.pbrEnabled=!1,this.colorTextureEnabled=!1,this.withSAO=!1,this.backfaces=!1,this.frontface=!0,this.textureUnit=0,this.drawElements=0,this.drawArrays=0,this.useProgram=0,this.bindTexture=0,this.bindArray=0,this.pass=0,this.shadowViewMatrix=null,this.shadowProjMatrix=null,this.pickViewMatrix=null,this.pickProjMatrix=null,this.pickZNear=.01,this.pickZFar=5e3,this.pickInvisible=!1,this.pickElementsCount=null,this.pickElementsOffset=null,this.lineWidth=1,this.snapPickLayerParams={},this.snapPickLayerNumber=0,this.snapPickCoordinateScale=re.vec3(),this.snapPickOrigin=re.vec3()}},{key:"getRTCViewMatrix",value:function(e,t){var i=this._rtcViewMats[e];return i||(i=this._getNewMat(),ze(this._scene.camera.viewMatrix,t,i),this._rtcViewMats[e]=i),i}},{key:"getRTCPickViewMatrix",value:function(e,t){var i=this._rtcPickViewMats[e];if(!i){i=this._getNewMat();var r=this.pickViewMatrix||this._scene.camera.viewMatrix;ze(r,t,i),this._rtcPickViewMats[e]=i}return i}},{key:"_getNewMat",value:function(){var e=this._matPool[this._matPoolNextFreeIndex];return e||(e=re.mat4(),this._matPool[this._matPoolNextFreeIndex]=e),this._matPoolNextFreeIndex++,e}}]),e}(),$t={WEBGL:!1,SUPPORTED_EXTENSIONS:{}},ei=document.createElement("canvas");if(ei){var ti=ei.getContext("webgl",{antialias:!0})||ei.getContext("experimental-webgl",{antialias:!0});$t.WEBGL=!!ti,$t.WEBGL&&($t.ANTIALIAS=ti.getContextAttributes().antialias,ti.getShaderPrecisionFormat?ti.getShaderPrecisionFormat(ti.FRAGMENT_SHADER,ti.HIGH_FLOAT).precision>0?$t.FS_MAX_FLOAT_PRECISION="highp":ti.getShaderPrecisionFormat(ti.FRAGMENT_SHADER,ti.MEDIUM_FLOAT).precision>0?$t.FS_MAX_FLOAT_PRECISION="mediump":$t.FS_MAX_FLOAT_PRECISION="lowp":$t.FS_MAX_FLOAT_PRECISION="mediump",$t.DEPTH_BUFFER_BITS=ti.getParameter(ti.DEPTH_BITS),$t.MAX_TEXTURE_SIZE=ti.getParameter(ti.MAX_TEXTURE_SIZE),$t.MAX_CUBE_MAP_SIZE=ti.getParameter(ti.MAX_CUBE_MAP_TEXTURE_SIZE),$t.MAX_RENDERBUFFER_SIZE=ti.getParameter(ti.MAX_RENDERBUFFER_SIZE),$t.MAX_TEXTURE_UNITS=ti.getParameter(ti.MAX_COMBINED_TEXTURE_IMAGE_UNITS),$t.MAX_TEXTURE_IMAGE_UNITS=ti.getParameter(ti.MAX_TEXTURE_IMAGE_UNITS),$t.MAX_VERTEX_ATTRIBS=ti.getParameter(ti.MAX_VERTEX_ATTRIBS),$t.MAX_VERTEX_UNIFORM_VECTORS=ti.getParameter(ti.MAX_VERTEX_UNIFORM_VECTORS),$t.MAX_FRAGMENT_UNIFORM_VECTORS=ti.getParameter(ti.MAX_FRAGMENT_UNIFORM_VECTORS),$t.MAX_VARYING_VECTORS=ti.getParameter(ti.MAX_VARYING_VECTORS),ti.getSupportedExtensions().forEach((function(e){$t.SUPPORTED_EXTENSIONS[e]=!0})))}var ii=function(){function e(){P(this,e),this.entity=null,this.primitive=null,this.primIndex=-1,this.pickSurfacePrecision=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1,this._origin=new Float64Array([0,0,0]),this._direction=new Float64Array([0,0,0]),this._indices=new Int32Array(3),this._localPos=new Float64Array([0,0,0]),this._worldPos=new Float64Array([0,0,0]),this._viewPos=new Float64Array([0,0,0]),this._canvasPos=new Int16Array([0,0]),this._snappedCanvasPos=new Int16Array([0,0]),this._bary=new Float64Array([0,0,0]),this._worldNormal=new Float64Array([0,0,0]),this._uv=new Float64Array([0,0]),this.reset()}return C(e,[{key:"canvasPos",get:function(){return this._gotCanvasPos?this._canvasPos:null},set:function(e){e?(this._canvasPos[0]=e[0],this._canvasPos[1]=e[1],this._gotCanvasPos=!0):this._gotCanvasPos=!1}},{key:"origin",get:function(){return this._gotOrigin?this._origin:null},set:function(e){e?(this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this._gotOrigin=!0):this._gotOrigin=!1}},{key:"direction",get:function(){return this._gotDirection?this._direction:null},set:function(e){e?(this._direction[0]=e[0],this._direction[1]=e[1],this._direction[2]=e[2],this._gotDirection=!0):this._gotDirection=!1}},{key:"indices",get:function(){return this.entity&&this._gotIndices?this._indices:null},set:function(e){e?(this._indices[0]=e[0],this._indices[1]=e[1],this._indices[2]=e[2],this._gotIndices=!0):this._gotIndices=!1}},{key:"localPos",get:function(){return this.entity&&this._gotLocalPos?this._localPos:null},set:function(e){e?(this._localPos[0]=e[0],this._localPos[1]=e[1],this._localPos[2]=e[2],this._gotLocalPos=!0):this._gotLocalPos=!1}},{key:"snappedCanvasPos",get:function(){return this._gotSnappedCanvasPos?this._snappedCanvasPos:null},set:function(e){e?(this._snappedCanvasPos[0]=e[0],this._snappedCanvasPos[1]=e[1],this._gotSnappedCanvasPos=!0):this._gotSnappedCanvasPos=!1}},{key:"worldPos",get:function(){return this._gotWorldPos?this._worldPos:null},set:function(e){e?(this._worldPos[0]=e[0],this._worldPos[1]=e[1],this._worldPos[2]=e[2],this._gotWorldPos=!0):this._gotWorldPos=!1}},{key:"viewPos",get:function(){return this.entity&&this._gotViewPos?this._viewPos:null},set:function(e){e?(this._viewPos[0]=e[0],this._viewPos[1]=e[1],this._viewPos[2]=e[2],this._gotViewPos=!0):this._gotViewPos=!1}},{key:"bary",get:function(){return this.entity&&this._gotBary?this._bary:null},set:function(e){e?(this._bary[0]=e[0],this._bary[1]=e[1],this._bary[2]=e[2],this._gotBary=!0):this._gotBary=!1}},{key:"worldNormal",get:function(){return this.entity&&this._gotWorldNormal?this._worldNormal:null},set:function(e){e?(this._worldNormal[0]=e[0],this._worldNormal[1]=e[1],this._worldNormal[2]=e[2],this._gotWorldNormal=!0):this._gotWorldNormal=!1}},{key:"uv",get:function(){return this.entity&&this._gotUV?this._uv:null},set:function(e){e?(this._uv[0]=e[0],this._uv[1]=e[1],this._gotUV=!0):this._gotUV=!1}},{key:"snapped",get:function(){return this.snappedToEdge||this.snappedToVertex}},{key:"reset",value:function(){this.entity=null,this.primIndex=-1,this.primitive=null,this.pickSurfacePrecision=!1,this._gotCanvasPos=!1,this._gotSnappedCanvasPos=!1,this._gotOrigin=!1,this._gotDirection=!1,this._gotIndices=!1,this._gotLocalPos=!1,this._gotWorldPos=!1,this._gotViewPos=!1,this._gotBary=!1,this._gotWorldNormal=!1,this._gotUV=!1,this.touchInput=!1,this.snappedToEdge=!1,this.snappedToVertex=!1}}]),e}(),ri=function(){function e(t,i,r){if(P(this,e),this.allocated=!1,this.compiled=!1,this.handle=t.createShader(i),this.handle){if(this.allocated=!0,t.shaderSource(this.handle,r),t.compileShader(this.handle),this.compiled=t.getShaderParameter(this.handle,t.COMPILE_STATUS),!this.compiled&&!t.isContextLost()){for(var s=r.split("\n"),n=[],o=0;o<s.length;o++)n.push(o+1+": "+s[o]+"\n");this.errors=[],this.errors.push(""),this.errors.push(t.getShaderInfoLog(this.handle)),this.errors=this.errors.concat(n.join(""))}}else this.errors=["Failed to allocate"]}return C(e,[{key:"destroy",value:function(){}}]),e}(),si=C((function e(t,i){P(this,e),this.bindTexture=function(e,r){return!!e.bind(r)&&(t.uniform1i(i,r),!0)}})),ni=function(){function e(t,i){P(this,e),this._gl=t,this.location=i}return C(e,[{key:"bindArrayBuffer",value:function(e){e&&(e.bind(),this._gl.enableVertexAttribArray(this.location),this._gl.vertexAttribPointer(this.location,e.itemSize,e.itemType,e.normalized,e.stride,e.offset))}}]),e}(),oi=new G({});function ai(e){for(var t,i,r=[],s=0,n=e.length;s<n;s++)(i=(t=e[s]).indexOf("/"))>0&&"/"===t.charAt(i+1)&&(t=t.substring(0,i)),r.push(t);return r.join("\n")}function li(e){console.error(e.join("\n"))}var ui=function(){function e(t,i){P(this,e),this.id=oi.addItem({}),this.source=i,this.init(t)}return C(e,[{key:"init",value:function(e){if(this.gl=e,this.allocated=!1,this.compiled=!1,this.linked=!1,this.validated=!1,this.errors=null,this.uniforms={},this.samplers={},this.attributes={},this._vertexShader=new ri(e,e.VERTEX_SHADER,ai(this.source.vertex)),this._fragmentShader=new ri(e,e.FRAGMENT_SHADER,ai(this.source.fragment)),!this._vertexShader.allocated)return this.errors=["Vertex shader failed to allocate"].concat(this._vertexShader.errors),void li(this.errors);if(!this._fragmentShader.allocated)return this.errors=["Fragment shader failed to allocate"].concat(this._fragmentShader.errors),void li(this.errors);if(this.allocated=!0,!this._vertexShader.compiled)return this.errors=["Vertex shader failed to compile"].concat(this._vertexShader.errors),void li(this.errors);if(!this._fragmentShader.compiled)return this.errors=["Fragment shader failed to compile"].concat(this._fragmentShader.errors),void li(this.errors);var t,i,r,s,n;if(this.compiled=!0,this.handle=e.createProgram(),this.handle){if(e.attachShader(this.handle,this._vertexShader.handle),e.attachShader(this.handle,this._fragmentShader.handle),e.linkProgram(this.handle),this.linked=e.getProgramParameter(this.handle,e.LINK_STATUS),this.validated=!0,!this.linked||!this.validated)return this.errors=[],this.errors.push(""),this.errors.push(e.getProgramInfoLog(this.handle)),this.errors.push("\nVertex shader:\n"),this.errors=this.errors.concat(this.source.vertex),this.errors.push("\nFragment shader:\n"),this.errors=this.errors.concat(this.source.fragment),void li(this.errors);var o=e.getProgramParameter(this.handle,e.ACTIVE_UNIFORMS);for(i=0;i<o;++i)(r=e.getActiveUniform(this.handle,i))&&("\0"===(s=r.name)[s.length-1]&&(s=s.substr(0,s.length-1)),n=e.getUniformLocation(this.handle,s),r.type===e.SAMPLER_2D||r.type===e.SAMPLER_CUBE||35682===r.type||e instanceof WebGL2RenderingContext&&(r.type===e.UNSIGNED_INT_SAMPLER_2D||r.type===e.INT_SAMPLER_2D)?this.samplers[s]=new si(e,n):this.uniforms[s]=n);var a=e.getProgramParameter(this.handle,e.ACTIVE_ATTRIBUTES);for(i=0;i<a;i++)(t=e.getActiveAttrib(this.handle,i))&&(n=e.getAttribLocation(this.handle,t.name),this.attributes[t.name]=new ni(e,n));this.allocated=!0}else this.errors=["Failed to allocate program"]}},{key:"bind",value:function(){this.allocated&&this.gl.useProgram(this.handle)}},{key:"getLocation",value:function(e){if(this.allocated)return this.uniforms[e]}},{key:"getAttribute",value:function(e){if(this.allocated)return this.attributes[e]}},{key:"bindTexture",value:function(e,t,i){if(!this.allocated)return!1;var r=this.samplers[e];return!!r&&r.bindTexture(t,i)}},{key:"destroy",value:function(){this.allocated&&(oi.removeItem(this.id),this.gl.deleteProgram(this.handle),this.gl.deleteShader(this._vertexShader.handle),this.gl.deleteShader(this._fragmentShader.handle),this.handle=null,this.attributes=null,this.uniforms=null,this.samplers=null,this.allocated=!1)}}]),e}(),ci=function(){function e(t,i,r,s,n,o,a,l,u){switch(P(this,e),this._gl=t,this.type=i,this.allocated=!1,r.constructor){case Uint8Array:this.itemType=t.UNSIGNED_BYTE,this.itemByteSize=1;break;case Int8Array:this.itemType=t.BYTE,this.itemByteSize=1;break;case Uint16Array:this.itemType=t.UNSIGNED_SHORT,this.itemByteSize=2;break;case Int16Array:this.itemType=t.SHORT,this.itemByteSize=2;break;case Uint32Array:this.itemType=t.UNSIGNED_INT,this.itemByteSize=4;break;case Int32Array:this.itemType=t.INT,this.itemByteSize=4;break;default:this.itemType=t.FLOAT,this.itemByteSize=4}this.usage=o,this.length=0,this.dataLength=s,this.numItems=0,this.itemSize=n,this.normalized=!!a,this.stride=l||0,this.offset=u||0,this._allocate(r)}return C(e,[{key:"_allocate",value:function(e){if(this.allocated=!1,this._handle=this._gl.createBuffer(),!this._handle)throw"Failed to allocate WebGL ArrayBuffer";this._handle&&(this._gl.bindBuffer(this.type,this._handle),this._gl.bufferData(this.type,e.length>this.dataLength?e.slice(0,this.dataLength):e,this.usage),this._gl.bindBuffer(this.type,null),this.length=e.length,this.numItems=this.length/this.itemSize,this.allocated=!0)}},{key:"setData",value:function(e,t){this.allocated&&(e.length+(t||0)>this.length?(this.destroy(),this._allocate(e)):(this._gl.bindBuffer(this.type,this._handle),t||0===t?this._gl.bufferSubData(this.type,t*this.itemByteSize,e):this._gl.bufferData(this.type,e,this.usage),this._gl.bindBuffer(this.type,null)))}},{key:"bind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,this._handle)}},{key:"unbind",value:function(){this.allocated&&this._gl.bindBuffer(this.type,null)}},{key:"destroy",value:function(){this.allocated&&(this._gl.deleteBuffer(this._handle),this._handle=null,this.allocated=!1)}}]),e}(),Ai=function(){function e(t,i){P(this,e),this.scene=t,this.aabb=re.AABB3(),this.origin=re.vec3(i),this.originHash=this.origin.join(),this.numMarkers=0,this.markers={},this.markerList=[],this.markerIndices={},this.positions=[],this.indices=[],this.positionsBuf=null,this.lenPositionsBuf=0,this.indicesBuf=null,this.sectionPlanesActive=[],this.culledBySectionPlanes=!1,this.occlusionTestList=[],this.lenOcclusionTestList=0,this.pixels=[],this.aabbDirty=!1,this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!1}return C(e,[{key:"addMarker",value:function(e){this.markers[e.id]=e,this.markerListDirty=!0,this.numMarkers++}},{key:"markerWorldPosUpdated",value:function(e){if(this.markers[e.id]){var t=this.markerIndices[e.id];this.positions[3*t+0]=e.worldPos[0],this.positions[3*t+1]=e.worldPos[1],this.positions[3*t+2]=e.worldPos[2],this.positionsDirty=!0}}},{key:"removeMarker",value:function(e){delete this.markers[e.id],this.markerListDirty=!0,this.numMarkers--}},{key:"update",value:function(){this.markerListDirty&&(this._buildMarkerList(),this.markerListDirty=!1,this.positionsDirty=!0,this.occlusionTestListDirty=!0),this.positionsDirty&&(this._buildPositions(),this.positionsDirty=!1,this.aabbDirty=!0,this.vbosDirty=!0),this.aabbDirty&&(this._buildAABB(),this.aabbDirty=!1),this.vbosDirty&&(this._buildVBOs(),this.vbosDirty=!1),this.occlusionTestListDirty&&this._buildOcclusionTestList(),this._updateActiveSectionPlanes()}},{key:"_buildMarkerList",value:function(){for(var e in this.numMarkers=0,this.markers)this.markers.hasOwnProperty(e)&&(this.markerList[this.numMarkers]=this.markers[e],this.markerIndices[e]=this.numMarkers,this.numMarkers++);this.markerList.length=this.numMarkers}},{key:"_buildPositions",value:function(){for(var e=0,t=0;t<this.numMarkers;t++)if(this.markerList[t]){var i=this.markerList[t].rtcPos;this.positions[e++]=i[0],this.positions[e++]=i[1],this.positions[e++]=i[2],this.indices[t]=t}this.positions.length=3*this.numMarkers,this.indices.length=this.numMarkers}},{key:"_buildAABB",value:function(){var e=this.aabb;re.collapseAABB3(e),re.expandAABB3Points3(e,this.positions);var t=this.origin;e[0]+=t[0],e[1]+=t[1],e[2]+=t[2],e[3]+=t[0],e[4]+=t[1],e[5]+=t[2]}},{key:"_buildVBOs",value:function(){if(this.positionsBuf){if(this.lenPositionsBuf===this.positions.length)return void this.positionsBuf.setData(new Float32Array(this.positions));this.positionsBuf.destroy(),this.positionsBuf=null,this.indicesBuf.destroy(),this.indicesBuf=null}var e=this.scene.canvas.gl,t=3*this.numMarkers,i=this.numMarkers;this.positionsBuf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this.positions),t,3,e.STATIC_DRAW),this.indicesBuf=new ci(e,e.ELEMENT_ARRAY_BUFFER,new Uint16Array(this.indices),i,1,e.STATIC_DRAW),this.lenPositionsBuf=this.positions.length}},{key:"_buildOcclusionTestList",value:function(){var e=this.scene.canvas,t=this.scene.camera.perspective.near,i=e.boundary,r=i[2],s=i[3],n=0;this.lenOcclusionTestList=0;for(var o=0;o<this.numMarkers;o++){var a=this.markerList[o];if(a.viewPos[2]>-t)a._setVisible(!1);else{var l=a.canvasPos,u=l[0],c=l[1];u+10<0||c+10<0||u-10>r||c-10>s?a._setVisible(!1):!a.entity||a.entity.visible?a.occludable?(this.occlusionTestList[this.lenOcclusionTestList++]=a,this.pixels[n++]=u,this.pixels[n++]=c):a._setVisible(!0):a._setVisible(!1)}}}},{key:"_updateActiveSectionPlanes",value:function(){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i];if(r.active){var s=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===s)return void(this.culledBySectionPlanes=!0);var n=0===s;this.sectionPlanesActive[i]=n}else this.sectionPlanesActive[i]=!1}this.culledBySectionPlanes=!1}},{key:"destroy",value:function(){this.markers={},this.markerList.length=0,this.positionsBuf&&this.positionsBuf.destroy(),this.indicesBuf&&this.indicesBuf.destroy()}}]),e}(),hi=re.vec3([1,0,0]),di=re.vec3(),pi=function(){function e(t,i){var r=this;P(this,e),this._scene=t,this._renderBufferManager=i,this._occlusionLayers={},this._occlusionLayersList=[],this._occlusionLayersListDirty=!1,this._shaderSource=null,this._program=null,this._shaderSourceHash=null,this._shaderSourceDirty=!0,this._programDirty=!1,this._markersToOcclusionLayersMap={},this._onCameraViewMatrix=t.camera.on("viewMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCameraProjMatrix=t.camera.on("projMatrix",(function(){r._occlusionTestListDirty=!0})),this._onCanvasBoundary=t.canvas.on("boundary",(function(){r._occlusionTestListDirty=!0}))}return C(e,[{key:"addMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i||(i=new Ai(this._scene,e.origin),this._occlusionLayers[i.originHash]=i,this._occlusionLayersListDirty=!0),i.addMarker(e),this._markersToOcclusionLayersMap[e.id]=i,this._occlusionTestListDirty=!0}},{key:"markerWorldPosUpdated",value:function(e){var t=this._markersToOcclusionLayersMap[e.id];if(t){var i=e.origin.join();if(i!==t.originHash){1===t.numMarkers?(t.destroy(),delete this._occlusionLayers[t.originHash],this._occlusionLayersListDirty=!0):t.removeMarker(e);var r=this._occlusionLayers[i];r||(r=new Ai(this._scene,e.origin),this._occlusionLayers[i]=r,this._occlusionLayersListDirty=!0),r.addMarker(e),this._markersToOcclusionLayersMap[e.id]=r}else t.markerWorldPosUpdated(e)}}},{key:"removeMarker",value:function(e){var t=e.origin.join(),i=this._occlusionLayers[t];i&&(1===i.numMarkers?(i.destroy(),delete this._occlusionLayers[i.originHash],this._occlusionLayersListDirty=!0):i.removeMarker(e),delete this._markersToOcclusionLayersMap[e.id])}},{key:"needOcclusionTest",get:function(){return this._occlusionTestListDirty}},{key:"bindRenderBuf",value:function(){var e=[this._scene.canvas.canvas.id,this._scene._sectionPlanesState.getHash()].join(";");if(e!==this._shaderSourceHash&&(this._shaderSourceHash=e,this._shaderSourceDirty=!0),this._shaderSourceDirty&&(this._buildShaderSource(),this._shaderSourceDirty=!1,this._programDirty=!0),this._programDirty&&(this._buildProgram(),this._programDirty=!1,this._occlusionTestListDirty=!0),this._occlusionLayersListDirty&&(this._buildOcclusionLayersList(),this._occlusionLayersListDirty=!1),this._occlusionTestListDirty){for(var t=0,i=this._occlusionLayersList.length;t<i;t++){this._occlusionLayersList[t].occlusionTestListDirty=!0}this._occlusionTestListDirty=!1}this._readPixelBuf=this._renderBufferManager.getRenderBuffer("occlusionReadPix"),this._readPixelBuf.bind(),this._readPixelBuf.clear()}},{key:"_buildOcclusionLayersList",value:function(){var e=0;for(var t in this._occlusionLayers)this._occlusionLayers.hasOwnProperty(t)&&(this._occlusionLayersList[e++]=this._occlusionLayers[t]);this._occlusionLayersList.length=e}},{key:"_buildShaderSource",value:function(){this._shaderSource={vertex:this._buildVertexShaderSource(),fragment:this._buildFragmentShaderSource()}}},{key:"_buildVertexShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState.sectionPlanes.length>0,i=[];return i.push("#version 300 es"),i.push("// OcclusionTester vertex shader"),i.push("in vec3 position;"),i.push("uniform mat4 modelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("vec4 worldPosition = vec4(position, 1.0); "),i.push("   vec4 viewPosition = viewMatrix * worldPosition;"),t&&i.push("   vWorldPosition = worldPosition;"),i.push("   vec4 clipPos = projMatrix * viewPosition;"),i.push("   gl_PointSize = 20.0;"),e.logarithmicDepthBufferEnabled?i.push("vFragDepth = 1.0 + clipPos.w;"):e.markerZOffset<0&&i.push("clipPos.z += "+e.markerZOffset+";"),i.push("   gl_Position = clipPos;"),i.push("}"),i}},{key:"_buildFragmentShaderSource",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.sectionPlanes.length>0,r=[];if(r.push("#version 300 es"),r.push("// OcclusionTester fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;");for(var s=0;s<t.sectionPlanes.length;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  float dist = 0.0;");for(var n=0;n<t.sectionPlanes.length;n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(1.0, 0.0, 0.0, 1.0); "),r.push("}"),r}},{key:"_buildProgram",value:function(){this._program&&this._program.destroy();var e=this._scene,t=e.canvas.gl,i=e._sectionPlanesState;if(this._program=new ui(t,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=i.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}}},{key:"drawMarkers",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e._sectionPlanesState,s=e.camera,n=e.camera.project;if(i.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,s._project._state.matrix),e.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=this._occlusionLayersList.length;a<l;a++){var u=this._occlusionLayersList[a];if(u.update(),!u.culledBySectionPlanes){var c=u.origin;t.uniformMatrix4fv(this._uViewMatrix,!1,ze(s.viewMatrix,c));var A=r.sectionPlanes.length;if(A>0)for(var h=r.sectionPlanes,d=0;d<A;d++){var p=this._uSectionPlanes[d];if(p){var f=u.sectionPlanesActive[d];if(t.uniform1i(p.active,f?1:0),f){var v=h[d];t.uniform3fv(p.pos,Je(v.dist,v.dir,c,di)),t.uniform3fv(p.dir,v.dir)}}}this._aPosition.bindArrayBuffer(u.positionsBuf);var g=u.indicesBuf;g.bind(),t.drawElements(t.POINTS,g.numItems,g.itemType,0)}}}},{key:"doOcclusionTest",value:function(){for(var e=this._scene.canvas.resolutionScale,t=255*hi[0],i=255*hi[1],r=255*hi[2],s=0,n=this._occlusionLayersList.length;s<n;s++)for(var o=this._occlusionLayersList[s],a=0;a<o.lenOcclusionTestList;a++){var l=o.occlusionTestList[a],u=2*a,c=this._readPixelBuf.read(Math.round(o.pixels[u]*e),Math.round(o.pixels[u+1]*e)),A=c[0]===t&&c[1]===i&&c[2]===r;l._setVisible(A)}}},{key:"unbindRenderBuf",value:function(){this._readPixelBuf.unbind()}},{key:"destroy",value:function(){if(!this.destroyed){for(var e=0,t=this._occlusionLayersList.length;e<t;e++){this._occlusionLayersList[e].destroy()}this._program&&this._program.destroy(),this._scene.camera.off(this._onCameraViewMatrix),this._scene.camera.off(this._onCameraProjMatrix),this._scene.canvas.off(this._onCanvasBoundary),this.destroyed=!0}}}]),e}(),fi=re.vec2(),vi=function(){function e(t){P(this,e),this._scene=t,this._numSamples=null,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uScale=null,this._uIntensity=null,this._uBias=null,this._uKernelRadius=null,this._uMinResolution=null,this._uRandomSeed=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null}return C(e,[{key:"render",value:function(e){var t=this;if(this._build(),!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;t._scene.camera.on("projMatrix",(function(){e=!0}));var i=re.mat4();return function(){return e&&re.inverseMat4(s.camera.projMatrix,i),i}}());var i=this._scene.canvas.gl,r=this._program,s=this._scene,n=s.sao,o=i.drawingBufferWidth,a=i.drawingBufferHeight,l=s.camera.project._state,u=l.near,c=l.far,A=l.matrix,h=this._getInverseProjectMat(),d=Math.random(),p="perspective"===s.camera.projection;fi[0]=o,fi[1]=a,i.viewport(0,0,o,a),i.clearColor(0,0,0,1),i.disable(i.DEPTH_TEST),i.disable(i.BLEND),i.frontFace(i.CCW),i.clear(i.COLOR_BUFFER_BIT),r.bind(),i.uniform1f(this._uCameraNear,u),i.uniform1f(this._uCameraFar,c),i.uniformMatrix4fv(this._uCameraProjectionMatrix,!1,A),i.uniformMatrix4fv(this._uCameraInverseProjectionMatrix,!1,h),i.uniform1i(this._uPerspective,p),i.uniform1f(this._uScale,n.scale*(c/5)),i.uniform1f(this._uIntensity,n.intensity),i.uniform1f(this._uBias,n.bias),i.uniform1f(this._uKernelRadius,n.kernelRadius),i.uniform1f(this._uMinResolution,n.minResolution),i.uniform2fv(this._uViewport,fi),i.uniform1f(this._uRandomSeed,d);var f=e.getDepthTexture();r.bindTexture(this._uDepthTexture,f,0),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),i.drawElements(i.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"_build",value:function(){var e=!1,t=this._scene.sao;if(t.numSamples!==this._numSamples&&(this._numSamples=Math.floor(t.numSamples),e=!0),e){var i=this._scene.canvas.gl;if(this._program&&(this._program.destroy(),this._program=null),this._program=new ui(i,{vertex:["#version 300 es\n                    precision highp float;\n                    precision highp int;\n                    \n                    in vec3 aPosition;\n                    in vec2 aUV;            \n                    \n                    out vec2 vUV;\n                    \n                    void main () {\n                        gl_Position = vec4(aPosition, 1.0);\n                        vUV = aUV;\n                    }"],fragment:["#version 300 es      \n                precision highp float;\n                precision highp int;           \n                \n                #define NORMAL_TEXTURE 0\n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n                #define NUM_SAMPLES ".concat(this._numSamples,"\n                #define NUM_RINGS 4              \n            \n                in vec2        vUV;\n            \n                uniform sampler2D   uDepthTexture;\n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;\n                uniform mat4        uProjectMatrix;\n                uniform mat4        uInverseProjectMatrix;\n                \n                uniform bool        uPerspective;\n\n                uniform float       uScale;\n                uniform float       uIntensity;\n                uniform float       uBias;\n                uniform float       uKernelRadius;\n                uniform float       uMinResolution;\n                uniform vec2        uViewport;\n                uniform float       uRandomSeed;\n\n                float pow2( const in float x ) { return x*x; }\n                \n                highp float rand( const in vec2 uv ) {\n                    const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n                    highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n                    return fract(sin(sn) * c);\n                }\n\n                vec3 packNormalToRGB( const in vec3 normal ) {\n                    return normalize( normal ) * 0.5 + 0.5;\n                }\n\n                vec3 unpackRGBToNormal( const in vec3 rgb ) {\n                    return 2.0 * rgb.xyz - 1.0;\n                }\n\n                const float packUpscale = 256. / 255.;\n                const float unpackDownScale = 255. / 256.; \n\n                const vec3 packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4 unPackFactors = unpackDownScale / vec4( packFactors, 1. );   \n\n                const float shiftRights = 1. / 256.;\n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float unpackRGBAToFloat( const in vec4 v ) {                   \n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unPackFactors );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n                    return ( near * far ) / ( ( far - near ) * invClipZ - far );\n                }\n\n                float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n                    return linearClipZ * ( near - far ) - near;\n                }\n                \n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     if (uPerspective) {\n                         return perspectiveDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     } else {\n                        return orthographicDepthToViewZ( depth, uCameraNear, uCameraFar );\n                     }\n                }\n\n                vec3 getViewPos( const in vec2 screenPos, const in float depth, const in float viewZ ) {\n                \tfloat clipW = uProjectMatrix[2][3] * viewZ + uProjectMatrix[3][3];\n                \tvec4 clipPosition = vec4( ( vec3( screenPos, depth ) - 0.5 ) * 2.0, 1.0 );\n                \tclipPosition *= clipW; \n                \treturn ( uInverseProjectMatrix * clipPosition ).xyz;\n                }\n\n                vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPos ) {               \n                    return normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );\n                }\n\n                float scaleDividedByCameraFar;\n                float minResolutionMultipliedByCameraFar;\n\n                float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {\n                \tvec3 viewDelta = sampleViewPosition - centerViewPosition;\n                \tfloat viewDistance = length( viewDelta );\n                \tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;\n                \treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - uBias) / (1.0 + pow2( scaledScreenDistance ) );\n                }\n\n                const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );\n                const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );\n\n                float getAmbientOcclusion( const in vec3 centerViewPosition ) {\n            \n                \tscaleDividedByCameraFar = uScale / uCameraFar;\n                \tminResolutionMultipliedByCameraFar = uMinResolution * uCameraFar;\n                \tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUV );\n\n                \tfloat angle = rand( vUV + uRandomSeed ) * PI2;\n                \tvec2 radius = vec2( uKernelRadius * INV_NUM_SAMPLES ) / uViewport;\n                \tvec2 radiusStep = radius;\n\n                \tfloat occlusionSum = 0.0;\n                \tfloat weightSum = 0.0;\n\n                \tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {\n                \t\tvec2 sampleUv = vUV + vec2( cos( angle ), sin( angle ) ) * radius;\n                \t\tradius += radiusStep;\n                \t\tangle += ANGLE_STEP;\n\n                \t\tfloat sampleDepth = getDepth( sampleUv );\n                \t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {\n                \t\t\tcontinue;\n                \t\t}\n\n                \t\tfloat sampleViewZ = getViewZ( sampleDepth );\n                \t\tvec3 sampleViewPosition = getViewPos( sampleUv, sampleDepth, sampleViewZ );\n                \t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );\n                \t\tweightSum += 1.0;\n                \t}\n\n                \tif( weightSum == 0.0 ) discard;\n\n                \treturn occlusionSum * ( uIntensity / weightSum );\n                }\n\n                out vec4 outColor;\n   \n                void main() {\n                \n                \tfloat centerDepth = getDepth( vUV );\n                \t\n                \tif( centerDepth >= ( 1.0 - EPSILON ) ) {\n                \t\tdiscard;\n                \t}\n\n                \tfloat centerViewZ = getViewZ( centerDepth );\n                \tvec3 viewPosition = getViewPos( vUV, centerDepth, centerViewZ );\n\n                \tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );\n                \n                \toutColor = packFloatToRGBA(  1.0- ambientOcclusion );\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var r=new Float32Array([1,1,0,1,0,0,1,0]),s=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),n=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new ci(i,i.ARRAY_BUFFER,s,s.length,3,i.STATIC_DRAW),this._uvBuf=new ci(i,i.ARRAY_BUFFER,r,r.length,2,i.STATIC_DRAW),this._indicesBuf=new ci(i,i.ELEMENT_ARRAY_BUFFER,n,n.length,1,i.STATIC_DRAW),this._program.bind(),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uCameraProjectionMatrix=this._program.getLocation("uProjectMatrix"),this._uCameraInverseProjectionMatrix=this._program.getLocation("uInverseProjectMatrix"),this._uPerspective=this._program.getLocation("uPerspective"),this._uScale=this._program.getLocation("uScale"),this._uIntensity=this._program.getLocation("uIntensity"),this._uBias=this._program.getLocation("uBias"),this._uKernelRadius=this._program.getLocation("uKernelRadius"),this._uMinResolution=this._program.getLocation("uMinResolution"),this._uViewport=this._program.getLocation("uViewport"),this._uRandomSeed=this._program.getLocation("uRandomSeed"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV"),this._dirty=!1}}},{key:"destroy",value:function(){this._program&&(this._program.destroy(),this._program=null)}}]),e}(),gi=new Float32Array(wi(17,[0,1])),mi=new Float32Array(wi(17,[1,0])),_i=new Float32Array(function(e,t){for(var i=[],r=0;r<=e;r++)i.push(Bi(r,t));return i}(17,4)),yi=new Float32Array(2),bi=function(){function e(t){P(this,e),this._scene=t,this._program=null,this._programError=!1,this._aPosition=null,this._aUV=null,this._uDepthTexture="uDepthTexture",this._uOcclusionTexture="uOcclusionTexture",this._uViewport=null,this._uCameraNear=null,this._uCameraFar=null,this._uCameraProjectionMatrix=null,this._uCameraInverseProjectionMatrix=null,this._uvBuf=null,this._positionsBuf=null,this._indicesBuf=null,this.init()}return C(e,[{key:"init",value:function(){var e=this._scene.canvas.gl;if(this._program=new ui(e,{vertex:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                in vec3 aPosition;\n                in vec2 aUV;\n                uniform vec2 uViewport;\n                out vec2 vUV;\n                out vec2 vInvSize;\n                void main () {\n                    vUV = aUV;\n                    vInvSize = 1.0 / uViewport;\n                    gl_Position = vec4(aPosition, 1.0);\n                }"],fragment:["#version 300 es\n                precision highp float;\n                precision highp int;\n                    \n                #define PI 3.14159265359\n                #define PI2 6.28318530718\n                #define EPSILON 1e-6\n\n                #define KERNEL_RADIUS ".concat(16,"\n\n                in vec2        vUV;\n                in vec2        vInvSize;\n            \n                uniform sampler2D   uDepthTexture;\n                uniform sampler2D   uOcclusionTexture;              \n               \n                uniform float       uCameraNear;\n                uniform float       uCameraFar;               \n                uniform float       uDepthCutoff;\n\n                uniform vec2        uSampleOffsets[ KERNEL_RADIUS + 1 ];\n                uniform float       uSampleWeights[ KERNEL_RADIUS + 1 ];\n\n                const float         unpackDownscale = 255. / 256.; \n\n                const vec3          packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );\n                const vec4          unpackFactors = unpackDownscale / vec4( packFactors, 1. );   \n\n                const float packUpscale = 256. / 255.;\n       \n                const float shiftRights = 1. / 256.;\n                \n                float unpackRGBAToFloat( const in vec4 v ) {\n                    return dot( floor( v * 255.0 + 0.5 ) / 255.0, unpackFactors );\n                }               \n\n                vec4 packFloatToRGBA( const in float v ) {\n                    vec4 r = vec4( fract( v * packFactors ), v );\n                    r.yzw -= r.xyz * shiftRights; \n                    return r * packUpscale;\n                }\n\n                float viewZToOrthographicDepth( const in float viewZ) {\n                    return ( viewZ + uCameraNear ) / ( uCameraNear - uCameraFar );\n                }\n              \n                float orthographicDepthToViewZ( const in float linearClipZ) {\n                    return linearClipZ * ( uCameraNear - uCameraFar ) - uCameraNear;\n                }\n\n                float viewZToPerspectiveDepth( const in float viewZ) {\n                    return (( uCameraNear + viewZ ) * uCameraFar ) / (( uCameraFar - uCameraNear ) * viewZ );\n                }\n                \n                float perspectiveDepthToViewZ( const in float invClipZ) {\n                    return ( uCameraNear * uCameraFar ) / ( ( uCameraFar - uCameraNear ) * invClipZ - uCameraFar );\n                }\n\n                float getDepth( const in vec2 screenPosition ) {\n                    return vec4(texture(uDepthTexture, screenPosition)).r;\n                }\n\n                float getViewZ( const in float depth ) {\n                     return perspectiveDepthToViewZ( depth );\n                }\n\n                out vec4 outColor;\n        \n                void main() {\n                \n                    float depth = getDepth( vUV );\n                    if( depth >= ( 1.0 - EPSILON ) ) {\n                        discard;\n                    }\n\n                    float centerViewZ = -getViewZ( depth );\n                    bool rBreak = false;\n                    bool lBreak = false;\n\n                    float weightSum = uSampleWeights[0];\n                    float occlusionSum = unpackRGBAToFloat(texture( uOcclusionTexture, vUV )) * weightSum;\n\n                    for( int i = 1; i <= KERNEL_RADIUS; i ++ ) {\n\n                        float sampleWeight = uSampleWeights[i];\n                        vec2 sampleUVOffset = uSampleOffsets[i] * vInvSize;\n\n                        vec2 sampleUV = vUV + sampleUVOffset;\n                        float viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            rBreak = true;\n                        }\n\n                        if( ! rBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n\n                        sampleUV = vUV - sampleUVOffset;\n                        viewZ = -getViewZ( getDepth( sampleUV ) );\n\n                        if( abs( viewZ - centerViewZ ) > uDepthCutoff ) {\n                            lBreak = true;\n                        }\n\n                        if( ! lBreak ) {\n                            occlusionSum += unpackRGBAToFloat(texture( uOcclusionTexture, sampleUV )) * sampleWeight;\n                            weightSum += sampleWeight;\n                        }\n                    }\n\n                    outColor = packFloatToRGBA(occlusionSum / weightSum);\n                }")]}),this._program.errors)return console.error(this._program.errors.join("\n")),void(this._programError=!0);var t=new Float32Array([1,1,0,1,0,0,1,0]),i=new Float32Array([1,1,0,-1,1,0,-1,-1,0,1,-1,0]),r=new Uint32Array([0,1,2,0,2,3]);this._positionsBuf=new ci(e,e.ARRAY_BUFFER,i,i.length,3,e.STATIC_DRAW),this._uvBuf=new ci(e,e.ARRAY_BUFFER,t,t.length,2,e.STATIC_DRAW),this._indicesBuf=new ci(e,e.ELEMENT_ARRAY_BUFFER,r,r.length,1,e.STATIC_DRAW),this._program.bind(),this._uViewport=this._program.getLocation("uViewport"),this._uCameraNear=this._program.getLocation("uCameraNear"),this._uCameraFar=this._program.getLocation("uCameraFar"),this._uDepthCutoff=this._program.getLocation("uDepthCutoff"),this._uSampleOffsets=e.getUniformLocation(this._program.handle,"uSampleOffsets"),this._uSampleWeights=e.getUniformLocation(this._program.handle,"uSampleWeights"),this._aPosition=this._program.getAttribute("aPosition"),this._aUV=this._program.getAttribute("aUV")}},{key:"render",value:function(e,t,i){var r=this;if(!this._programError){this._getInverseProjectMat||(this._getInverseProjectMat=function(){var e=!0;r._scene.camera.on("projMatrix",(function(){e=!0}));var t=re.mat4();return function(){return e&&re.inverseMat4(o.camera.projMatrix,t),t}}());var s=this._scene.canvas.gl,n=this._program,o=this._scene,a=s.drawingBufferWidth,l=s.drawingBufferHeight,u=o.camera.project._state,c=u.near,A=u.far;s.viewport(0,0,a,l),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.frontFace(s.CCW),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),n.bind(),yi[0]=a,yi[1]=l,s.uniform2fv(this._uViewport,yi),s.uniform1f(this._uCameraNear,c),s.uniform1f(this._uCameraFar,A),s.uniform1f(this._uDepthCutoff,.01),0===i?s.uniform2fv(this._uSampleOffsets,mi):s.uniform2fv(this._uSampleOffsets,gi),s.uniform1fv(this._uSampleWeights,_i);var h=e.getDepthTexture(),d=t.getTexture();n.bindTexture(this._uDepthTexture,h,0),n.bindTexture(this._uOcclusionTexture,d,1),this._aUV.bindArrayBuffer(this._uvBuf),this._aPosition.bindArrayBuffer(this._positionsBuf),this._indicesBuf.bind(),s.drawElements(s.TRIANGLES,this._indicesBuf.numItems,this._indicesBuf.itemType,0)}}},{key:"destroy",value:function(){this._program.destroy()}}]),e}();function Bi(e,t){return Math.exp(-e*e/(t*t*2))/(Math.sqrt(2*Math.PI)*t)}function wi(e,t){for(var i=[],r=0;r<=e;r++)i.push(t[0]*r),i.push(t[1]*r);return i}var Pi=function(){function e(t,i,r){P(this,e),r=r||{},this.gl=i,this.allocated=!1,this.canvas=t,this.buffer=null,this.bound=!1,this.size=r.size,this._hasDepthTexture=!!r.depthTexture}return C(e,[{key:"setSize",value:function(e){this.size=e}},{key:"webglContextRestored",value:function(e){this.gl=e,this.buffer=null,this.allocated=!1,this.bound=!1}},{key:"bind",value:function(){if(this._touch.apply(this,arguments),!this.bound){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,this.buffer.framebuf),this.bound=!0}}},{key:"createTexture",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=this.gl,s=r.createTexture();return r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),i?r.texStorage2D(r.TEXTURE_2D,1,i,e,t):r.texImage2D(r.TEXTURE_2D,0,r.RGBA,e,t,0,r.RGBA,r.UNSIGNED_BYTE,null),s}},{key:"_touch",value:function(){var e,t,i=this,r=this.gl;if(this.size?(e=this.size[0],t=this.size[1]):(e=r.drawingBufferWidth,t=r.drawingBufferHeight),this.buffer){if(this.buffer.width===e&&this.buffer.height===t)return;this.buffer.textures.forEach((function(e){return r.deleteTexture(e)})),r.deleteFramebuffer(this.buffer.framebuf),r.deleteRenderbuffer(this.buffer.renderbuf)}for(var s,n=[],o=arguments.length,a=new Array(o),l=0;l<o;l++)a[l]=arguments[l];a.length>0?n.push.apply(n,c(a.map((function(r){return i.createTexture(e,t,r)})))):n.push(this.createTexture(e,t)),this._hasDepthTexture&&(s=r.createTexture(),r.bindTexture(r.TEXTURE_2D,s),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.NEAREST),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texImage2D(r.TEXTURE_2D,0,r.DEPTH_COMPONENT32F,e,t,0,r.DEPTH_COMPONENT,r.FLOAT,null));var u=r.createRenderbuffer();r.bindRenderbuffer(r.RENDERBUFFER,u),r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_COMPONENT32F,e,t);var A=r.createFramebuffer();r.bindFramebuffer(r.FRAMEBUFFER,A);for(var h=0;h<n.length;h++)r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0+h,r.TEXTURE_2D,n[h],0);if(a.length>0&&r.drawBuffers(n.map((function(e,t){return r.COLOR_ATTACHMENT0+t}))),this._hasDepthTexture?r.framebufferTexture2D(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.TEXTURE_2D,s,0):r.framebufferRenderbuffer(r.FRAMEBUFFER,r.DEPTH_ATTACHMENT,r.RENDERBUFFER,u),r.bindTexture(r.TEXTURE_2D,null),r.bindRenderbuffer(r.RENDERBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,null),r.bindFramebuffer(r.FRAMEBUFFER,A),!r.isFramebuffer(A))throw"Invalid framebuffer";r.bindFramebuffer(r.FRAMEBUFFER,null);var d=r.checkFramebufferStatus(r.FRAMEBUFFER);switch(d){case r.FRAMEBUFFER_COMPLETE:break;case r.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:throw"Incomplete framebuffer: FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case r.FRAMEBUFFER_UNSUPPORTED:throw"Incomplete framebuffer: FRAMEBUFFER_UNSUPPORTED";default:throw"Incomplete framebuffer: "+d}this.buffer={framebuf:A,renderbuf:u,texture:n[0],textures:n,depthTexture:s,width:e,height:t},this.bound=!1}},{key:"clear",value:function(){if(!this.bound)throw"Render buffer not bound";var e=this.gl;e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}},{key:"read",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:Uint8Array,n=arguments.length>5&&void 0!==arguments[5]?arguments[5]:4,o=arguments.length>6&&void 0!==arguments[6]?arguments[6]:0,a=e,l=this.buffer.height?this.buffer.height-t-1:this.gl.drawingBufferHeight-t,u=new s(n),c=this.gl;return c.readBuffer(c.COLOR_ATTACHMENT0+o),c.readPixels(a,l,1,1,i||c.RGBA,r||c.UNSIGNED_BYTE,u,0),u}},{key:"readArray",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:Uint8Array,r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:4,s=arguments.length>4&&void 0!==arguments[4]?arguments[4]:0,n=new i(this.buffer.width*this.buffer.height*r),o=this.gl;return o.readBuffer(o.COLOR_ATTACHMENT0+s),o.readPixels(0,0,this.buffer.width,this.buffer.height,e||o.RGBA,t||o.UNSIGNED_BYTE,n,0),n}},{key:"readImageAsCanvas",value:function(){var e=this.gl,t=this._getImageDataCache(),i=t.pixelData,r=t.canvas,s=t.imageData,n=t.context;e.readPixels(0,0,this.buffer.width,this.buffer.height,e.RGBA,e.UNSIGNED_BYTE,i);for(var o=this.buffer.width,a=this.buffer.height,l=a/2|0,u=4*o,c=new Uint8Array(4*o),A=0;A<l;++A){var h=A*u,d=(a-A-1)*u;c.set(i.subarray(h,h+u)),i.copyWithin(h,d,d+u),i.set(c,d)}return s.data.set(i),n.putImageData(s,0,0),r}},{key:"readImage",value:function(e){var t=this.gl,i=this._getImageDataCache(),r=i.pixelData,s=i.canvas,n=i.imageData,o=i.context,a=this.buffer,l=a.width,u=a.height;t.readPixels(0,0,l,u,t.RGBA,t.UNSIGNED_BYTE,r),n.data.set(r),o.putImageData(n,0,0),o.save(),o.globalCompositeOperation="copy",o.scale(1,-1),o.drawImage(s,0,-u,l,u),o.restore();var c=e.format||"png";return"jpeg"!==c&&"png"!==c&&"bmp"!==c&&(console.error("Unsupported image format: '"+c+"' - supported types are 'jpeg', 'bmp' and 'png' - defaulting to 'png'"),c="png"),s.toDataURL("image/".concat(c))}},{key:"_getImageDataCache",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Uint8Array,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:4,i=this.buffer.width,r=this.buffer.height,s=this._imageDataCache;if(s&&(s.width===i&&s.height===r||(this._imageDataCache=null,s=null)),!s){var n=document.createElement("canvas"),o=n.getContext("2d");n.width=i,n.height=r,s={pixelData:new e(i*r*t),canvas:n,context:o,imageData:o.createImageData(i,r),width:i,height:r},this._imageDataCache=s}return s.context.resetTransform(),s}},{key:"unbind",value:function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null),this.bound=!1}},{key:"getTexture",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,t=this;return this._texture||(this._texture={renderBuffer:this,bind:function(i){return!(!t.buffer||!t.buffer.textures[e])&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,t.buffer.textures[e]),!0)},unbind:function(i){t.buffer&&t.buffer.textures[e]&&(t.gl.activeTexture(t.gl["TEXTURE"+i]),t.gl.bindTexture(t.gl.TEXTURE_2D,null))}})}},{key:"hasDepthTexture",value:function(){return this._hasDepthTexture}},{key:"getDepthTexture",value:function(){if(!this._hasDepthTexture)return null;var e=this;return this._depthTexture||(this._dethTexture={renderBuffer:this,bind:function(t){return!(!e.buffer||!e.buffer.depthTexture)&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,e.buffer.depthTexture),!0)},unbind:function(t){e.buffer&&e.buffer.depthTexture&&(e.gl.activeTexture(e.gl["TEXTURE"+t]),e.gl.bindTexture(e.gl.TEXTURE_2D,null))}})}},{key:"destroy",value:function(){if(this.allocated){var e=this.gl;this.buffer.textures.forEach((function(t){return e.deleteTexture(t)})),e.deleteTexture(this.buffer.depthTexture),e.deleteFramebuffer(this.buffer.framebuf),e.deleteRenderbuffer(this.buffer.renderbuf),this.allocated=!1,this.buffer=null,this.bound=!1}this._imageDataCache=null,this._texture=null,this._depthTexture=null}}]),e}(),xi=function(){function e(t){P(this,e),this.scene=t,this._renderBuffersBasic={},this._renderBuffersScaled={}}return C(e,[{key:"getRenderBuffer",value:function(e,t){var i=1===this.scene.canvas.resolutionScale?this._renderBuffersBasic:this._renderBuffersScaled,r=i[e];return r||(r=new Pi(this.scene.canvas.canvas,this.scene.canvas.gl,t),i[e]=r),r}},{key:"destroy",value:function(){for(var e in this._renderBuffersBasic)this._renderBuffersBasic[e].destroy();for(var t in this._renderBuffersScaled)this._renderBuffersScaled[t].destroy()}}]),e}();function Ci(e,t){if(void 0===e._cachedExtensions&&(e._cachedExtensions={}),void 0!==e._cachedExtensions[t])return e._cachedExtensions[t];var i;switch(t){case"WEBGL_depth_texture":i=e.getExtension("WEBGL_depth_texture")||e.getExtension("MOZ_WEBGL_depth_texture")||e.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":i=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":i=e.getExtension("WEBGL_compressed_texture_s3tc")||e.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":i=e.getExtension("WEBGL_compressed_texture_pvrtc")||e.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:i=e.getExtension(t)}return e._cachedExtensions[t]=i,i}var Mi=re.vec3([0,0,0]),Ei=function(e,t){t=t||{};var i=new qt(e),r=e.canvas.canvas,s=e.canvas.gl,n=!!t.transparent,o=t.alphaDepthMask,a=new G({}),l={},u={},c=[],A=[],h=!0,d=!0,p=!0,f=!0,v=!0,g=!0,m=!0,_=!0,y=new xi(e),b=!1,B=new vi(e),w=new bi(e);function P(){h&&(!function(){for(var e in l)if(l.hasOwnProperty(e)){var t=l[e],i=t.drawableMap,r=t.drawableListPreCull,s=0;for(var n in i)i.hasOwnProperty(n)&&(r[s++]=i[n]);r.length=s}}(),h=!1,d=!0),d&&(!function(){var e=0;for(var t in l)if(l.hasOwnProperty(t))for(var i=l[t].drawableListPreCull,r=0,s=i.length;r<s;r++){var n=i[r];c[e++]=n}c.length=e,c.sort((function(e,t){return e.renderOrder-t.renderOrder}))}(),d=!1,p=!0),p&&function(){for(var e=0,t=0,i=c.length;t<i;t++){var r=c[t];r.rebuildRenderFlags(),r.renderFlags.culled||(A[e++]=r)}A.length=e}()}function x(e){if(e.castsShadow){var t=e.getShadowRenderBuf();if(t){for(var r in t.bind(),i.reset(),i.backfaces=!0,i.frontface=!0,i.shadowViewMatrix=e.getShadowViewMatrix(),i.shadowProjMatrix=e.getShadowProjMatrix(),s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,1),s.enable(s.DEPTH_TEST),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),l)if(l.hasOwnProperty(r))for(var n=l[r].drawableList,o=0,a=n.length;o<a;o++){var u=n[o];!1!==u.visible&&u.castsShadow&&u.drawShadow&&(u.renderFlags.colorOpaque&&u.drawShadow(i))}t.unbind()}}}function C(t,r,n,o,l,u){var c=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=u.origin,i.pickViewMatrix=n,i.pickProjMatrix=o,i.pickInvisible=!!l.pickInvisible,i.pickClipPos=[D(r[0]*c,s.drawingBufferWidth),S(r[1]*c,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var h=l.includeEntityIds,d=l.excludeEntityIds,p=0,f=A.length;p<f;p++){var v=A[p];!0!==v.culled&&!1!==v.visible&&(!v.drawPickMesh||!0!==l.pickInvisible&&!1===v.visible||!1===v.pickable||h&&!h[v.id]||d&&d[v.id]||v.drawPickMesh(i))}var g=t.read(0,0),m=g[0]+(g[1]<<8)+(g[2]<<16)+(g[3]<<24);if(!(m<0))return a.items[m]}function M(t,r,n,o,a,l){if(r.drawPickTriangles){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),r.drawPickTriangles(i);var c=t.read(0,0),A=c[0]+256*c[1]+256*c[2]*256+256*c[3]*256*256;A*=3,l.primIndex=A}}this.scene=e,this._occlusionTester=null,this.capabilities={astcSupported:!!Ci(s,"WEBGL_compressed_texture_astc"),etc1Supported:!0,etc2Supported:!!Ci(s,"WEBGL_compressed_texture_etc"),dxtSupported:!!Ci(s,"WEBGL_compressed_texture_s3tc"),bptcSupported:!!Ci(s,"EXT_texture_compression_bptc"),pvrtcSupported:!(!Ci(s,"WEBGL_compressed_texture_pvrtc")&&!Ci(s,"WEBKIT_WEBGL_compressed_texture_pvrtc"))},this.setTransparentEnabled=function(e){f=e,p=!0},this.setEdgesEnabled=function(e){v=e,p=!0},this.setSAOEnabled=function(e){g=e,p=!0},this.setPBREnabled=function(e){m=e,p=!0},this.setColorTextureEnabled=function(e){_=e,p=!0},this.needStateSort=function(){d=!0},this.shadowsDirty=function(){},this.imageDirty=function(){p=!0},this.webglContextLost=function(){},this.webglContextRestored=function(e){B.init(),w.init(),p=!0},this.addDrawable=function(e,t){var i=t.type;if(i){var r=l[i];r||(r={type:t.type,count:0,isStateSortable:t.isStateSortable,stateSortCompare:t.stateSortCompare,drawableMap:{},drawableListPreCull:[],drawableList:[]},l[i]=r),r.count++,r.drawableMap[e]=t,u[e]=t,h=!0}else console.error("Renderer#addDrawable() : drawable with ID "+e+" has no 'type' - ignoring")},this.removeDrawable=function(e){var t=u[e];if(t){var i=t.type,r=l[i];--r.count<=0?delete l[i]:delete r.drawableMap[e],delete u[e],h=!0}else console.error("Renderer#removeDrawable() : drawable not found with ID "+e+" - ignoring")},this.getPickID=function(e){return a.addItem(e)},this.putPickID=function(e){a.removeItem(e)},this.clear=function(t){if(s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(1,1,1,1);else{var i=e.canvas.backgroundColorFromAmbientLight?this.lights.getAmbientColorAndIntensity():e.canvas.backgroundColor;s.clearColor(i[0],i[1],i[2],1)}s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT)},this.needsRender=function(){return p||h||d},this.render=function(t){(t=t||{}).force&&(p=!0),P(),p&&(!function(t){var r=e.sao;g&&r.possible&&function(t){var r=e.sao,n=y.getRenderBuffer("saoDepth",{depthTexture:!0});n.bind(),n.clear(),function(e){i.reset(),i.pass=e.pass,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),!1!==e.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var t=0,r=A.length;t<r;t++){var n=A[t];!0!==n.culled&&!1!==n.visible&&n.drawDepth&&n.saoEnabled&&(n.renderFlags.colorOpaque&&n.drawDepth(i))}}(t),n.unbind();var o=y.getRenderBuffer("saoOcclusion");if(o.bind(),o.clear(),B.render(n),o.unbind(),r.blur){var a=y.getRenderBuffer("saoOcclusion2");a.bind(),a.clear(),w.render(n,o,0),a.unbind(),o.bind(),o.clear(),w.render(n,a,1),o.unbind()}}(t);(function(){for(var t=e._lightsState.lights,i=0,r=t.length;i<r;i++){var s=t[i];s.castsShadow&&x(s)}})(),function(t){var r=[],a=[],l=[],u=[],c=[],h=[],d=[],p=[],b=[],B=[],w=[],P=[],x=[],C=[],M=[],E=[],F=e._lightsState.getAmbientColorAndIntensity();if(i.reset(),i.pass=t.pass,i.withSAO=!1,i.pbrEnabled=m&&!!e.pbrEnabled,i.colorTextureEnabled=_&&!!e.colorTextureEnabled,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),n)s.clearColor(0,0,0,0);else{var k=e.canvas.backgroundColorFromAmbientLight?F:e.canvas.backgroundColor;s.clearColor(k[0],k[1],k[2],1)}s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.enable(s.CULL_FACE),s.depthMask(!0),s.lineWidth(1),i.lineWidth=1;var I,D,S=e.sao.possible;if(g&&S){var T=y.getRenderBuffer("saoOcclusion");i.occlusionTexture=T?T.getTexture():null}else i.occlusionTexture=null;var R=Date.now();!1!==t.clear&&s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var L=0,U=0,O=0,N=0,Q=0,V=0,H=0,j=0,G=0,z=0,K=0,W=0,X=0,J=0,Y=0,Z=0,q=0,$=A.length;q<$;q++)if(!0!==(D=A[q]).culled&&!1!==D.visible){var ee=D.renderFlags;ee.colorOpaque&&(g&&S&&D.saoEnabled?r[L++]=D:D.drawColorOpaque(i)),f&&ee.colorTransparent&&(l[O++]=D),ee.xrayedSilhouetteTransparent&&(d[H++]=D),ee.xrayedSilhouetteOpaque&&(c[Q++]=D),ee.highlightedSilhouetteTransparent&&(w[K++]=D),ee.highlightedSilhouetteOpaque&&(b[G++]=D),ee.selectedSilhouetteTransparent&&(M[Y++]=D),ee.selectedSilhouetteOpaque&&(x[X++]=D),D.edges&&v&&(ee.edgesOpaque&&(a[U++]=D),ee.edgesTransparent&&(u[N++]=D),ee.selectedEdgesTransparent&&(E[Z++]=D),ee.selectedEdgesOpaque&&(C[J++]=D),ee.xrayedEdgesTransparent&&(p[j++]=D),ee.xrayedEdgesOpaque&&(h[V++]=D),ee.highlightedEdgesTransparent&&(P[W++]=D),ee.highlightedEdgesOpaque&&(B[z++]=D))}if(L>0)for(i.withSAO=!0,I=0;I<L;I++)r[I].drawColorOpaque(i);if(U>0)for(I=0;I<U;I++)a[I].drawEdgesColorOpaque(i);if(Q>0)for(I=0;I<Q;I++)c[I].drawSilhouetteXRayed(i);if(V>0)for(I=0;I<V;I++)h[I].drawEdgesXRayed(i);if(H>0||j>0||O>0||N>0){if(s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):(s.blendEquation(s.FUNC_ADD),s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA)),i.backfaces=!1,o||s.depthMask(!1),(O>0||N>0)&&s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),N>0)for(I=0;I<N;I++)(D=u[I]).drawEdgesColorTransparent(i);if(O>0){var te=i.pickOrigin||e.camera.eye,ie=l.map((function(e){return{drawable:e,distSq:re.distVec3(e.origin||Mi,te)}}));for(ie.sort((function(e,t){return t.distSq-e.distSq})),I=0;I<O;I++)ie[I].drawable.drawColorTransparent(i)}if(j>0)for(I=0;I<j;I++)p[I].drawEdgesXRayed(i);if(H>0)for(I=0;I<H;I++)d[I].drawSilhouetteXRayed(i);s.disable(s.BLEND),o||s.depthMask(!0)}if(G>0||z>0){if(i.lastProgramId=null,e.highlightMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),z>0)for(I=0;I<z;I++)B[I].drawEdgesHighlighted(i);if(G>0)for(I=0;I<G;I++)b[I].drawSilhouetteHighlighted(i)}if(K>0||W>0||G>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),s.enable(s.CULL_FACE),W>0)for(I=0;I<W;I++)P[I].drawEdgesHighlighted(i);if(K>0)for(I=0;I<K;I++)w[I].drawSilhouetteHighlighted(i);s.disable(s.BLEND)}if(X>0||J>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),J>0)for(I=0;I<J;I++)C[I].drawEdgesSelected(i);if(X>0)for(I=0;I<X;I++)x[I].drawSilhouetteSelected(i)}if(Y>0||Z>0){if(i.lastProgramId=null,e.selectedMaterial.glowThrough&&s.clear(s.DEPTH_BUFFER_BIT),s.enable(s.CULL_FACE),s.enable(s.BLEND),n?(s.blendEquation(s.FUNC_ADD),s.blendFuncSeparate(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA,s.ONE,s.ONE_MINUS_SRC_ALPHA)):s.blendFunc(s.SRC_ALPHA,s.ONE_MINUS_SRC_ALPHA),Z>0)for(I=0;I<Z;I++)E[I].drawEdgesSelected(i);if(Y>0)for(I=0;I<Y;I++)M[I].drawSilhouetteSelected(i);s.disable(s.BLEND)}var se=Date.now(),ne=ae.frame;ne.renderTime=(se-R)/1e3,ne.drawElements=i.drawElements,ne.drawArrays=i.drawArrays,ne.useProgram=i.useProgram,ne.bindTexture=i.bindTexture,ne.bindArray=i.bindArray;for(var oe=$t.MAX_TEXTURE_IMAGE_UNITS,le=0;le<oe;le++)s.activeTexture(s.TEXTURE0+le);s.bindTexture(s.TEXTURE_CUBE_MAP,null),s.bindTexture(s.TEXTURE_2D,null);for(var ue=$t.MAX_VERTEX_ATTRIBS,ce=0;ce<ue;ce++)s.disableVertexAttribArray(ce)}(t)}(t),ae.frame.frameCount++,p=!1)},this.pick=function(){var t=re.vec3();re.mat4();var i=re.mat4(),s=re.vec3(),n=re.vec3([0,1,0]),o=new ii,a=re.vec2(),u=re.vec3(),c=re.vec3(),A=re.vec3();return re.vec3(),re.vec3(),function(h){var d,p=arguments.length>1&&void 0!==arguments[1]?arguments[1]:o;p.reset(),P();var f=null,v=null,g=null;for(var m in p.pickSurface=h.pickSurface,h.canvasPos?(u[0]=h.canvasPos[0],u[1]=h.canvasPos[1],f=e.camera.viewMatrix,v=e.camera.projMatrix,g=e.camera.projection,p.canvasPos=h.canvasPos):(h.matrix?(f=h.matrix,v=e.camera.projMatrix,g=e.camera.projection):(c.set(h.origin||[0,0,0]),A.set(h.direction||[0,0,1]),d=re.addVec3(c,A,t),s[0]=Math.random(),s[1]=Math.random(),s[2]=Math.random(),re.normalizeVec3(s),re.cross3Vec3(A,s,n),f=re.lookAtMat4v(c,d,n,i),v=e.camera.ortho.matrix,g="ortho",p.origin=c,p.direction=A),u[0]=.5*r.clientWidth,u[1]=.5*r.clientHeight),l)if(l.hasOwnProperty(m))for(var _=l[m].drawableList,b=0,B=_.length;b<B;b++){var w=_[b];w.setPickMatrices&&w.setPickMatrices(f,v)}var x=y.getRenderBuffer("pick",{size:[1,1]});x.bind();var E=C(x,u,f,v,h,p);if(!E)return x.unbind(),null;var k=E.delegatePickedEntity?E.delegatePickedEntity():E;return k?(h.pickSurface&&(E.canPickTriangle&&E.canPickTriangle()?(M(x,E,u,f,v,p),E.pickTriangleSurface(f,v,g,p),p.pickSurfacePrecision=!1):E.canPickWorldPos&&E.canPickWorldPos()&&(a[0]=e.camera.project.near,a[1]=e.camera.project.far,F(x,E,u,f,v,a,p),!1!==h.pickSurfaceNormal&&T(x,E,u,f,v,p),p.pickSurfacePrecision=!1)),x.unbind(),p.entity=k,p):(x.unbind(),null)}}();var E,F=function(){var t=re.vec4(),n=re.vec4(),o=re.vec4(),a=re.vec4(),l=re.vec4(),u=re.mat4(),c=re.mat4(),A=re.mat4();return function(h,d,p,f,v,g,m){var _=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=m.origin,i.pickViewMatrix=f,i.pickProjMatrix=v,i.pickZNear=g[0],i.pickZFar=g[1],i.pickElementsCount=d.pickElementsCount,i.pickElementsOffset=d.pickElementsOffset,i.pickClipPos=[D(p[0]*_,s.drawingBufferWidth),S(p[1]*_,s.drawingBufferHeight)],s.viewport(0,0,1,1),s.clearColor(0,0,0,0),s.depthMask(!0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT),d.drawPickDepths(i);var y,b=function(e){var t=[e[0]/256,e[1]/256,e[2]/256,e[3]/256],i=[1/16777216,1/65536,1/256,1];return re.dotVec4(t,i)}(h.read(0,0)),B=(p[0]-r.clientWidth/2)/(r.clientWidth/2),w=-(p[1]-r.clientHeight/2)/(r.clientHeight/2),P=d.origin;if(P){var x=ze(f,P,u);y=re.mulMat4(v,x,c)}else y=re.mulMat4(v,f,c);var C=re.inverseMat4(y,A);t[0]=B,t[1]=w,t[2]=-1,t[3]=1;var M=re.transformVec4(C,t);M=re.mulVec4Scalar(M,1/M[3]),n[0]=B,n[1]=w,n[2]=1,n[3]=1;var E=re.transformVec4(C,n);E=re.mulVec4Scalar(E,1/E[3]);var F=re.subVec3(E,M,o),k=re.addVec3(M,re.mulVec4Scalar(F,b,a),l);P&&re.addVec3(k,P),m.worldPos=k}}();function k(e){e.snapPickLayerParams=[],e.snapPickLayerNumber=0;for(var t=0,i=A.length;t<i;t++){var r=A[t];r.drawSnapInit&&!r.culled&&r.visible&&r.pickable&&r.drawSnapInit(e)}return e.snapPickLayerParams}function I(e){e.snapPickLayerParams=e.snapPickLayerParams||[],e.snapPickLayerNumber=e.snapPickLayerParams.length;for(var t=0,i=A.length;t<i;t++){var r=A[t];r.drawSnapInit&&r.drawSnap&&!r.culled&&r.visible&&r.pickable&&r.drawSnap(e)}return e.snapPickLayerParams}function D(e,t){return e/t*2-1}function S(e,t){return 1-e/t*2}function T(t,r,n,o,a,l){var u=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickOrigin=l.origin,i.pickViewMatrix=o,i.pickProjMatrix=a,i.pickClipPos=[D(n[0]*u,s.drawingBufferWidth),S(n[1]*u,s.drawingBufferHeight)];var c=y.getRenderBuffer("pick-normal",{size:[3,3]});c.bind(s.RGBA32I),s.viewport(0,0,c.size[0],c.size[1]),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),r.drawPickNormals(i);var A=c.read(1,1,s.RGBA_INTEGER,s.INT,Int32Array,4);c.unbind();var h=[A[0]/re.MAX_INT,A[1]/re.MAX_INT,A[2]/re.MAX_INT];re.normalizeVec3(h),l.worldNormal=h}this.snapPick=(E=new ii,function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:E,n=t.canvasPos,o=t.origin,u=t.direction,c=t.snapRadius,A=t.snapToVertex,h=t.snapToEdge;if(!A&&!h)return this.pick({canvasPos:n,pickSurface:!0});var d=e.canvas.resolutionScale;i.reset(),i.backfaces=!0,i.frontface=!0,i.pickZNear=e.camera.project.near,i.pickZFar=e.camera.project.far;var p=c||30,f=y.getRenderBuffer("uniquePickColors-aabs",{depthTexture:!0,size:[2*p+1,2*p+1]});i.snapVectorA=[n?D(n[0]*d,s.drawingBufferWidth):0,n?S(n[1]*d,s.drawingBufferHeight):0],i.snapInvVectorAB=[s.drawingBufferWidth/(2*p),s.drawingBufferHeight/(2*p)],f.bind(s.RGBA32I,s.RGBA32I,s.RGBA8UI),s.viewport(0,0,f.size[0],f.size[1]),s.enable(s.DEPTH_TEST),s.frontFace(s.CCW),s.disable(s.CULL_FACE),s.depthMask(!0),s.disable(s.BLEND),s.depthFunc(s.LEQUAL),s.clear(s.DEPTH_BUFFER_BIT),s.clearBufferiv(s.COLOR,0,new Int32Array([0,0,0,0])),s.clearBufferiv(s.COLOR,1,new Int32Array([0,0,0,0])),s.clearBufferuiv(s.COLOR,2,new Uint32Array([0,0,0,0])),i.pickViewMatrix=n?e.camera.viewMatrix:re.lookAtMat4v(o,re.addVec3(o,u,re.vec3()),re.vec3([0,1,0]),re.mat4());var v=e.camera.projMatrix;for(var g in l)if(l.hasOwnProperty(g))for(var m=l[g].drawableList,_=0,b=m.length;_<b;_++){var B=m[_];B.setPickMatrices&&B.setPickMatrices(i.pickViewMatrix,v)}s.drawBuffers([s.COLOR_ATTACHMENT0,s.COLOR_ATTACHMENT1,s.COLOR_ATTACHMENT2]);var w=k(i),P=[];i.snapPickLayerParams=P,s.depthMask(!1),s.drawBuffers([s.COLOR_ATTACHMENT0]),A&&h?(i.snapMode="edge",I(i),i.snapMode="vertex",i.snapPickLayerNumber++,I(i)):(i.snapMode=A?"vertex":"edge",I(i)),s.depthMask(!0);var x=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4),C=f.readArray(s.RGBA_INTEGER,s.INT,Int32Array,4,1),M=f.readArray(s.RGBA_INTEGER,s.UNSIGNED_INT,Uint32Array,4,2);f.unbind();var F=null,T=null,R=null,L=p,U=p,O=4*L+U*f.size[0]*4,N=x.slice(O,O+4),Q=C.slice(O,O+4),V=M.slice(O,O+4);if(0!==N[3]){var H=w[Math.abs(N[3])%w.length],j=H.origin,G=H.coordinateScale;F=[N[0]*G[0]+j[0],N[1]*G[1]+j[1],N[2]*G[2]+j[2]],T=re.normalizeVec3([Q[0]/re.MAX_INT,Q[1]/re.MAX_INT,Q[2]/re.MAX_INT]);var z=V[0]+(V[1]<<8)+(V[2]<<16)+(V[3]<<24);R=a.items[z]}for(var K=[],W=0;W<x.length;W+=4)if(x[W+3]>0){var X=Math.floor(W/4),J=f.size[0],Y=X%J-Math.floor(J/2),Z=Math.floor(X/J)-Math.floor(J/2),q=Math.sqrt(Math.pow(Y,2)+Math.pow(Z,2));K.push({x:Y,y:Z,dist:q,isVertex:A&&h?x[W+3]>P.length/2:A,result:[x[W+0],x[W+1],x[W+2],x[W+3]],normal:[C[W+0],C[W+1],C[W+2],C[W+3]],id:[M[W+0],M[W+1],M[W+2],M[W+3]]})}var $=null,ee=null,te=null,ie=null;if(K.length>0){K.sort((function(e,t){return e.isVertex!==t.isVertex?e.isVertex?-1:1:e.dist-t.dist})),ie=K[0].isVertex?"vertex":"edge";var se=K[0].result,ne=K[0].normal,oe=K[0].id,ae=P[se[3]],le=ae.origin,ue=ae.coordinateScale;ee=re.normalizeVec3([ne[0]/re.MAX_INT,ne[1]/re.MAX_INT,ne[2]/re.MAX_INT]),$=[se[0]*ue[0]+le[0],se[1]*ue[1]+le[1],se[2]*ue[2]+le[2]],te=a.items[oe[0]+(oe[1]<<8)+(oe[2]<<16)+(oe[3]<<24)]}if(null===F&&null==$)return null;var ce=null;null!==$&&(ce=e.camera.projectWorldPos($));var Ae=te&&te.delegatePickedEntity?te.delegatePickedEntity():te;return!Ae&&R&&(R=R.delegatePickedEntity?R.delegatePickedEntity():R),r.reset(),r.snappedToEdge="edge"===ie,r.snappedToVertex="vertex"===ie,r.worldPos=$||F,r.worldNormal=ee||T,r.entity=Ae||R,r.canvasPos=n||e.camera.projectWorldPos(F||$),r.snappedCanvasPos=ce||n,r}),this.addMarker=function(t){this._occlusionTester=this._occlusionTester||new pi(e,y),this._occlusionTester.addMarker(t),e.occlusionTestCountdown=0},this.markerWorldPosUpdated=function(e){this._occlusionTester.markerWorldPosUpdated(e)},this.removeMarker=function(e){this._occlusionTester.removeMarker(e)},this.doOcclusionTest=function(){if(this._occlusionTester&&this._occlusionTester.needOcclusionTest){P(),this._occlusionTester.bindRenderBuf(),i.reset(),i.backfaces=!0,i.frontface=!0,s.viewport(0,0,s.drawingBufferWidth,s.drawingBufferHeight),s.clearColor(0,0,0,0),s.enable(s.DEPTH_TEST),s.disable(s.CULL_FACE),s.disable(s.BLEND),s.clear(s.COLOR_BUFFER_BIT|s.DEPTH_BUFFER_BIT);for(var e=0,t=A.length;e<t;e++){var r=A[e];r.drawOcclusion&&!0!==r.culled&&!1!==r.visible&&!1!==r.pickable&&r.drawOcclusion(i)}this._occlusionTester.drawMarkers(i),this._occlusionTester.doOcclusionTest(),this._occlusionTester.unbindRenderBuf()}},this.readPixels=function(e,t,i,r){var s,n,o,a,l=y.getRenderBuffer("snapshot");for(l.bind(),l.clear(),this.render({force:!0,opaqueOnly:r}),n=0;n<i;n++)o=2*n,a=4*n,s=l.read(e[o],e[o+1]),t[a]=s[0],t[a+1]=s[1],t[a+2]=s[2],t[a+3]=s[3];l.unbind(),p=!0},this.beginSnapshot=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=y.getRenderBuffer("snapshot");e.width&&e.height&&t.setSize([e.width,e.height]),t.bind(),t.clear(),b=!0},this.renderSnapshot=function(){b&&(y.getRenderBuffer("snapshot").clear(),this.render({force:!0,opaqueOnly:!1}),p=!0)},this.readSnapshot=function(e){return y.getRenderBuffer("snapshot").readImage(e)},this.readSnapshotAsCanvas=function(){return y.getRenderBuffer("snapshot").readImageAsCanvas()},this.endSnapshot=function(){b&&(y.getRenderBuffer("snapshot").unbind(),b=!1)},this.destroy=function(){l={},u={},y.destroy(),B.destroy(),w.destroy(),this._occlusionTester&&this._occlusionTester.destroy()}},Fi=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).KEY_BACKSPACE=8,r.KEY_TAB=9,r.KEY_ENTER=13,r.KEY_SHIFT=16,r.KEY_CTRL=17,r.KEY_ALT=18,r.KEY_PAUSE_BREAK=19,r.KEY_CAPS_LOCK=20,r.KEY_ESCAPE=27,r.KEY_PAGE_UP=33,r.KEY_PAGE_DOWN=34,r.KEY_END=35,r.KEY_HOME=36,r.KEY_LEFT_ARROW=37,r.KEY_UP_ARROW=38,r.KEY_RIGHT_ARROW=39,r.KEY_DOWN_ARROW=40,r.KEY_INSERT=45,r.KEY_DELETE=46,r.KEY_NUM_0=48,r.KEY_NUM_1=49,r.KEY_NUM_2=50,r.KEY_NUM_3=51,r.KEY_NUM_4=52,r.KEY_NUM_5=53,r.KEY_NUM_6=54,r.KEY_NUM_7=55,r.KEY_NUM_8=56,r.KEY_NUM_9=57,r.KEY_A=65,r.KEY_B=66,r.KEY_C=67,r.KEY_D=68,r.KEY_E=69,r.KEY_F=70,r.KEY_G=71,r.KEY_H=72,r.KEY_I=73,r.KEY_J=74,r.KEY_K=75,r.KEY_L=76,r.KEY_M=77,r.KEY_N=78,r.KEY_O=79,r.KEY_P=80,r.KEY_Q=81,r.KEY_R=82,r.KEY_S=83,r.KEY_T=84,r.KEY_U=85,r.KEY_V=86,r.KEY_W=87,r.KEY_X=88,r.KEY_Y=89,r.KEY_Z=90,r.KEY_LEFT_WINDOW=91,r.KEY_RIGHT_WINDOW=92,r.KEY_SELECT_KEY=93,r.KEY_NUMPAD_0=96,r.KEY_NUMPAD_1=97,r.KEY_NUMPAD_2=98,r.KEY_NUMPAD_3=99,r.KEY_NUMPAD_4=100,r.KEY_NUMPAD_5=101,r.KEY_NUMPAD_6=102,r.KEY_NUMPAD_7=103,r.KEY_NUMPAD_8=104,r.KEY_NUMPAD_9=105,r.KEY_MULTIPLY=106,r.KEY_ADD=107,r.KEY_SUBTRACT=109,r.KEY_DECIMAL_POINT=110,r.KEY_DIVIDE=111,r.KEY_F1=112,r.KEY_F2=113,r.KEY_F3=114,r.KEY_F4=115,r.KEY_F5=116,r.KEY_F6=117,r.KEY_F7=118,r.KEY_F8=119,r.KEY_F9=120,r.KEY_F10=121,r.KEY_F11=122,r.KEY_F12=123,r.KEY_NUM_LOCK=144,r.KEY_SCROLL_LOCK=145,r.KEY_SEMI_COLON=186,r.KEY_EQUAL_SIGN=187,r.KEY_COMMA=188,r.KEY_DASH=189,r.KEY_PERIOD=190,r.KEY_FORWARD_SLASH=191,r.KEY_GRAVE_ACCENT=192,r.KEY_OPEN_BRACKET=219,r.KEY_BACK_SLASH=220,r.KEY_CLOSE_BRACKET=221,r.KEY_SINGLE_QUOTE=222,r.KEY_SPACE=32,r.MOUSE_LEFT_BUTTON=260,r.MOUSE_MIDDLE_BUTTON=261,r.MOUSE_RIGHT_BUTTON=262,r.element=s.element,r.altDown=!1,r.ctrlDown=!1,r.mouseDownLeft=!1,r.mouseDownMiddle=!1,r.mouseDownRight=!1,r.keyDown=[],r.enabled=!0,r.keyboardEnabled=!0,r.mouseover=!1,r.mouseCanvasPos=re.vec2(),r._keyboardEventsElement=s.keyboardEventsElement||document,r._bindEvents(),r}return C(i,[{key:"_bindEvents",value:function(){var e=this;if(!this._eventsBound){this._keyboardEventsElement.addEventListener("keydown",this._keyDownListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!0:t.keyCode===e.KEY_ALT?e.altDown=!0:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!0),e.keyDown[t.keyCode]=!0,e.fire("keydown",t.keyCode,!0))},!1),this._keyboardEventsElement.addEventListener("keyup",this._keyUpListener=function(t){e.enabled&&e.keyboardEnabled&&"INPUT"!==t.target.tagName&&"TEXTAREA"!==t.target.tagName&&(t.keyCode===e.KEY_CTRL?e.ctrlDown=!1:t.keyCode===e.KEY_ALT?e.altDown=!1:t.keyCode===e.KEY_SHIFT&&(e.shiftDown=!1),e.keyDown[t.keyCode]=!1,e.fire("keyup",t.keyCode,!0))}),this.element.addEventListener("mouseenter",this._mouseEnterListener=function(t){e.enabled&&(e.mouseover=!0,e._getMouseCanvasPos(t),e.fire("mouseenter",e.mouseCanvasPos,!0))}),this.element.addEventListener("mouseleave",this._mouseLeaveListener=function(t){e.enabled&&(e.mouseover=!1,e._getMouseCanvasPos(t),e.fire("mouseleave",e.mouseCanvasPos,!0))}),this.element.addEventListener("mousedown",this._mouseDownListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!0;break;case 2:e.mouseDownMiddle=!0;break;case 3:e.mouseDownRight=!0}e._getMouseCanvasPos(t),e.element.focus(),e.fire("mousedown",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("mouseup",this._mouseUpListener=function(t){if(e.enabled){switch(t.which){case 1:e.mouseDownLeft=!1;break;case 2:e.mouseDownMiddle=!1;break;case 3:e.mouseDownRight=!1}e.fire("mouseup",e.mouseCanvasPos,!0)}},!0),document.addEventListener("click",this._clickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("click",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}}),document.addEventListener("dblclick",this._dblClickListener=function(t){if(e.enabled){switch(t.which){case 1:case 3:e.mouseDownLeft=!1,e.mouseDownRight=!1;break;case 2:e.mouseDownMiddle=!1}e._getMouseCanvasPos(t),e.fire("dblclick",e.mouseCanvasPos,!0),e.mouseover&&t.preventDefault()}});var t=this.scene.tickify((function(){return e.fire("mousemove",e.mouseCanvasPos,!0)}));this.element.addEventListener("mousemove",this._mouseMoveListener=function(i){e.enabled&&(e._getMouseCanvasPos(i),t(),e.mouseover&&i.preventDefault())}),this.element.addEventListener("contextmenu",this._contextmenuListener=function(t){e.enabled&&(e._getMouseCanvasPos(t),e.fire("contextmenu",e.mouseCanvasPos,!0))});var i=this.scene.tickify((function(t){e.fire("mousewheel",t,!0)}));this.element.addEventListener("wheel",this._mouseWheelListener=function(t,r){if(e.enabled){var s=Math.max(-1,Math.min(1,40*-t.deltaY));i(s)}},{passive:!0});var r,s;this.on("mousedown",(function(e){r=e[0],s=e[1]})),this.on("mouseup",(function(t){r>=t[0]-2&&r<=t[0]+2&&s>=t[1]-2&&s<=t[1]+2&&e.fire("mouseclicked",t,!0)})),this.element.addEventListener("touchstart",this._touchstartListener=function(t){e.enabled&&c(t.changedTouches).forEach((function(t){e.fire("touchstart",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this.element.addEventListener("touchend",this._touchendListener=function(t){e.enabled&&c(t.changedTouches).forEach((function(t){e.fire("touchend",[t.identifier,e._getTouchCanvasPos(t)],!0)}))}),this._eventsBound=!0}}},{key:"_unbindEvents",value:function(){this._eventsBound&&(this._keyboardEventsElement.removeEventListener("keydown",this._keyDownListener),this._keyboardEventsElement.removeEventListener("keyup",this._keyUpListener),this.element.removeEventListener("mouseenter",this._mouseEnterListener),this.element.removeEventListener("mouseleave",this._mouseLeaveListener),this.element.removeEventListener("mousedown",this._mouseDownListener),document.removeEventListener("mouseup",this._mouseDownListener),document.removeEventListener("click",this._clickListener),document.removeEventListener("dblclick",this._dblClickListener),this.element.removeEventListener("mousemove",this._mouseMoveListener),this.element.removeEventListener("contextmenu",this._contextmenuListener),this.element.removeEventListener("wheel",this._mouseWheelListener),this.element.removeEventListener("touchstart",this._touchstartListener),this.element.removeEventListener("touchend",this._touchendListener),window.OrientationChangeEvent&&window.removeEventListener("orientationchange",this._orientationchangedListener),window.DeviceMotionEvent&&window.removeEventListener("devicemotion",this._deviceMotionListener),window.DeviceOrientationEvent&&window.removeEventListener("deviceorientation",this._deviceOrientListener),this._eventsBound=!1)}},{key:"_getTouchCanvasPos",value:function(e){for(var t=e.target,i=0,r=0;t.offsetParent;)i+=t.offsetLeft,r+=t.offsetTop,t=t.offsetParent;return[e.pageX-i,e.pageY-r]}},{key:"_getMouseCanvasPos",value:function(e){if(e){var t=e.target.getBoundingClientRect();this.mouseCanvasPos[0]=e.clientX-t.left,this.mouseCanvasPos[1]=e.clientY-t.top}else e=window.event,this.mouseCanvasPos[0]=e.x,this.mouseCanvasPos[1]=e.y}},{key:"setEnabled",value:function(e){this.enabled!==e&&this.fire("enabled",this.enabled=e)}},{key:"getEnabled",value:function(){return this.enabled}},{key:"setKeyboardEnabled",value:function(e){this.keyboardEnabled=e}},{key:"getKeyboardEnabled",value:function(){return this.keyboardEnabled}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._unbindEvents()}}]),i}(),ki=new G({}),Ii=function(){function e(t){for(var i in P(this,e),this.id=ki.addItem({}),t)t.hasOwnProperty(i)&&(this[i]=t[i])}return C(e,[{key:"destroy",value:function(){ki.removeItem(this.id)}}]),e}(),Di=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({boundary:[0,0,100,100]}),r.boundary=s.boundary,r.autoBoundary=s.autoBoundary,r}return C(i,[{key:"type",get:function(){return"Viewport"}},{key:"boundary",get:function(){return this._state.boundary},set:function(e){if(!this._autoBoundary){if(!e){var t=this.scene.canvas.boundary;e=[0,0,t[2],t[3]]}this._state.boundary=e,this.glRedraw(),this.fire("boundary",this._state.boundary)}}},{key:"autoBoundary",get:function(){return this._autoBoundary},set:function(e){(e=!!e)!==this._autoBoundary&&(this._autoBoundary=e,this._autoBoundary?this._onCanvasSize=this.scene.canvas.on("boundary",(function(e){var t=e[2],i=e[3];this._state.boundary=[0,0,t,i],this.glRedraw(),this.fire("boundary",this._state.boundary)}),this):this._onCanvasSize&&(this.scene.canvas.off(this._onCanvasSize),this._onCanvasSize=null),this.fire("autoBoundary",this._autoBoundary))}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Si=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ii({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r._fov=60,r._canvasResized=r.scene.canvas.on("boundary",r._needUpdate,m(r)),r.fov=s.fov,r.fovAxis=s.fovAxis,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Perspective"}},{key:"_update",value:function(){var e=this.scene.canvas.boundary,t=e[2]/e[3],i=this._fovAxis,r=this._fov;("x"===i||"min"===i&&t<1||"max"===i&&t>1)&&(r/=t),r=Math.min(r,120),re.perspectiveMat4(r*(Math.PI/180),t,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.camera._updateScheduled=!0,this.fire("matrix",this._state.matrix)}},{key:"fov",get:function(){return this._fov},set:function(e){(e=null!=e?e:60)!==this._fov&&(this._fov=e,this._needUpdate(0),this.fire("fov",this._fov))}},{key:"fovAxis",get:function(){return this._fovAxis},set:function(e){e=e||"min",this._fovAxis!==e&&("x"!==e&&"y"!==e&&"min"!==e&&(this.error("Unsupported value for 'fovAxis': "+e+" - defaulting to 'min'"),e="min"),this._fovAxis=e,this._needUpdate(0),this.fire("fovAxis",this._fovAxis))}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._canvasResized)}}]),i}(),Ti=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ii({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.scale=s.scale,r.near=s.near,r.far=s.far,r._onCanvasBoundary=r.scene.canvas.on("boundary",r._needUpdate,m(r)),r}return C(i,[{key:"type",get:function(){return"Ortho"}},{key:"_update",value:function(){var e,t,i,r,s=this.scene,n=.5*this._scale,o=s.canvas.boundary,a=o[2],l=o[3],u=a/l;a>l?(e=-n,t=n,i=n/u,r=-n/u):(e=-n*u,t=n*u,i=n,r=-n),re.orthoMat4c(e,t,r,i,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),e<=0&&(e=.01),this._scale=e,this._needUpdate(0),this.fire("scale",this._scale)}},{key:"near",get:function(){return this._state.near},set:function(e){var t=null!=e?e:.1;this._state.near!==t&&(this._state.near=t,this._needUpdate(0),this.fire("near",this._state.near))}},{key:"far",get:function(){return this._state.far},set:function(e){var t=null!=e?e:1e4;this._state.far!==t&&(this._state.far=t,this._needUpdate(0),this.fire("far",this._state.far))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy(),this.scene.canvas.off(this._onCanvasBoundary)}}]),i}(),Ri=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ii({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4(),near:.1,far:1e4}),r._left=-1,r._right=1,r._bottom=-1,r._top=1,r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!0,r.left=s.left,r.right=s.right,r.bottom=s.bottom,r.top=s.top,r.near=s.near,r.far=s.far,r}return C(i,[{key:"type",get:function(){return"Frustum"}},{key:"_update",value:function(){re.frustumMat4(this._left,this._right,this._bottom,this._top,this._state.near,this._state.far,this._state.matrix),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"left",get:function(){return this._left},set:function(e){this._left=null!=e?e:-1,this._needUpdate(0),this.fire("left",this._left)}},{key:"right",get:function(){return this._right},set:function(e){this._right=null!=e?e:1,this._needUpdate(0),this.fire("right",this._right)}},{key:"top",get:function(){return this._top},set:function(e){this._top=null!=e?e:1,this._needUpdate(0),this.fire("top",this._top)}},{key:"bottom",get:function(){return this._bottom},set:function(e){this._bottom=null!=e?e:-1,this._needUpdate(0),this.fire("bottom",this._bottom)}},{key:"near",get:function(){return this._state.near},set:function(e){this._state.near=null!=e?e:.1,this._needUpdate(0),this.fire("near",this._state.near)}},{key:"far",get:function(){return this._state.far},set:function(e){this._state.far=null!=e?e:1e4,this._needUpdate(0),this.fire("far",this._state.far)}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Li=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).camera=e,r._state=new Ii({matrix:re.mat4(),inverseMatrix:re.mat4(),transposedMatrix:re.mat4()}),r._inverseMatrixDirty=!0,r._transposedMatrixDirty=!1,r.matrix=s.matrix,r}return C(i,[{key:"type",get:function(){return"CustomProjection"}},{key:"matrix",get:function(){return this._state.matrix},set:function(e){this._state.matrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._inverseMatrixDirty=!0,this._transposedMatrixDirty=!0,this.glRedraw(),this.fire("matrix",this._state.matrix)}},{key:"inverseMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._inverseMatrixDirty&&(re.inverseMat4(this._state.matrix,this._state.inverseMatrix),this._inverseMatrixDirty=!1),this._state.inverseMatrix}},{key:"transposedMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._transposedMatrixDirty&&(re.transposeMat4(this._state.matrix,this._state.transposedMatrix),this._transposedMatrixDirty=!1),this._state.transposedMatrix}},{key:"unproject",value:function(e,t,i,r,s){var n=this.scene.canvas.canvas,o=n.offsetWidth/2,a=n.offsetHeight/2;return i[0]=(e[0]-o)/o,i[1]=(e[1]-a)/a,i[2]=t,i[3]=1,re.mulMat4v4(this.inverseMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1,re.mulMat4v4(this.camera.inverseViewMatrix,r,s),s}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Ui=re.vec3(),Oi=re.vec3(),Ni=re.vec3(),Qi=re.vec3(),Vi=re.vec3(),Hi=re.vec3(),ji=re.vec4(),Gi=re.vec4(),zi=re.vec4(),Ki=re.mat4(),Wi=re.mat4(),Xi=re.vec3(),Ji=re.vec3(),Yi=re.vec3(),Zi=re.vec3(),qi=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({deviceMatrix:re.mat4(),hasDeviceMatrix:!1,matrix:re.mat4(),normalMatrix:re.mat4(),inverseMatrix:re.mat4()}),r._perspective=new Si(m(r)),r._ortho=new Ti(m(r)),r._frustum=new Ri(m(r)),r._customProjection=new Li(m(r)),r._project=r._perspective,r._eye=re.vec3([0,0,10]),r._look=re.vec3([0,0,0]),r._up=re.vec3([0,1,0]),r._worldUp=re.vec3([0,1,0]),r._worldRight=re.vec3([1,0,0]),r._worldForward=re.vec3([0,0,-1]),r.deviceMatrix=s.deviceMatrix,r.eye=s.eye,r.look=s.look,r.up=s.up,r.worldAxis=s.worldAxis,r.gimbalLock=s.gimbalLock,r.constrainPitch=s.constrainPitch,r.projection=s.projection,r._perspective.on("matrix",(function(){"perspective"===r._projectionType&&r.fire("projMatrix",r._perspective.matrix)})),r._ortho.on("matrix",(function(){"ortho"===r._projectionType&&r.fire("projMatrix",r._ortho.matrix)})),r._frustum.on("matrix",(function(){"frustum"===r._projectionType&&r.fire("projMatrix",r._frustum.matrix)})),r._customProjection.on("matrix",(function(){"customProjection"===r._projectionType&&r.fire("projMatrix",r._customProjection.matrix)})),r}return C(i,[{key:"type",get:function(){return"Camera"}},{key:"_update",value:function(){var e,t=this._state;"ortho"===this.projection?(re.subVec3(this._eye,this._look,Xi),re.normalizeVec3(Xi,Ji),re.mulVec3Scalar(Ji,1e3,Yi),re.addVec3(this._look,Yi,Zi),e=Zi):e=this._eye,t.hasDeviceMatrix?(re.lookAtMat4v(e,this._look,this._up,Wi),re.mulMat4(t.deviceMatrix,Wi,t.matrix)):re.lookAtMat4v(e,this._look,this._up,t.matrix),re.inverseMat4(this._state.matrix,this._state.inverseMatrix),re.transposeMat4(this._state.inverseMatrix,this._state.normalMatrix),this.glRedraw(),this.fire("matrix",this._state.matrix),this.fire("viewMatrix",this._state.matrix)}},{key:"orbitYaw",value:function(e){var t=re.subVec3(this._eye,this._look,Ui);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Ki),t=re.transformPoint3(Ki,t,Oi),this.eye=re.addVec3(this._look,t,Ni),this.up=re.transformPoint3(Ki,this._up,Qi)}},{key:"orbitPitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._eye,this._look,Ui),i=re.cross3Vec3(re.normalizeVec3(t,Oi),re.normalizeVec3(this._up,Ni));re.rotationMat4v(.0174532925*e,i,Ki),t=re.transformPoint3(Ki,t,Qi),this.up=re.transformPoint3(Ki,this._up,Vi),this.eye=re.addVec3(t,this._look,Hi)}}},{key:"yaw",value:function(e){var t=re.subVec3(this._look,this._eye,Ui);re.rotationMat4v(.0174532925*e,this._gimbalLock?this._worldUp:this._up,Ki),t=re.transformPoint3(Ki,t,Oi),this.look=re.addVec3(t,this._eye,Ni),this._gimbalLock&&(this.up=re.transformPoint3(Ki,this._up,Qi))}},{key:"pitch",value:function(e){if(!(this._constrainPitch&&(e=re.dotVec3(this._up,this._worldUp)/re.DEGTORAD)<1)){var t=re.subVec3(this._look,this._eye,Ui),i=re.cross3Vec3(re.normalizeVec3(t,Oi),re.normalizeVec3(this._up,Ni));re.rotationMat4v(.0174532925*e,i,Ki),this.up=re.transformPoint3(Ki,this._up,Hi),t=re.transformPoint3(Ki,t,Qi),this.look=re.addVec3(t,this._eye,Vi)}}},{key:"pan",value:function(e){var t,i=re.subVec3(this._eye,this._look,Ui),r=[0,0,0];if(0!==e[0]){var s=re.cross3Vec3(re.normalizeVec3(i,[]),re.normalizeVec3(this._up,Oi));t=re.mulVec3Scalar(s,e[0]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]}0!==e[1]&&(t=re.mulVec3Scalar(re.normalizeVec3(this._up,Ni),e[1]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),0!==e[2]&&(t=re.mulVec3Scalar(re.normalizeVec3(i,Qi),e[2]),r[0]+=t[0],r[1]+=t[1],r[2]+=t[2]),this.eye=re.addVec3(this._eye,r,Vi),this.look=re.addVec3(this._look,r,Hi)}},{key:"zoom",value:function(e){var t=re.subVec3(this._eye,this._look,Ui),i=Math.abs(re.lenVec3(t,Oi)),r=Math.abs(i+e);if(!(r<.5)){var s=re.normalizeVec3(t,Ni);this.eye=re.addVec3(this._look,re.mulVec3Scalar(s,r),Qi)}}},{key:"eye",get:function(){return this._eye},set:function(e){this._eye.set(e||[0,0,10]),this._needUpdate(0),this.fire("eye",this._eye)}},{key:"look",get:function(){return this._look},set:function(e){this._look.set(e||[0,0,0]),this._needUpdate(0),this.fire("look",this._look)}},{key:"up",get:function(){return this._up},set:function(e){this._up.set(e||[0,1,0]),this._needUpdate(0),this.fire("up",this._up)}},{key:"deviceMatrix",get:function(){return this._state.deviceMatrix},set:function(e){this._state.deviceMatrix.set(e||[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),this._state.hasDeviceMatrix=!!e,this._needUpdate(0),this.fire("deviceMatrix",this._state.deviceMatrix)}},{key:"worldAxis",get:function(){return this._worldAxis},set:function(e){e=e||[1,0,0,0,1,0,0,0,1],this._worldAxis?this._worldAxis.set(e):this._worldAxis=re.vec3(e),this._worldRight[0]=this._worldAxis[0],this._worldRight[1]=this._worldAxis[1],this._worldRight[2]=this._worldAxis[2],this._worldUp[0]=this._worldAxis[3],this._worldUp[1]=this._worldAxis[4],this._worldUp[2]=this._worldAxis[5],this._worldForward[0]=this._worldAxis[6],this._worldForward[1]=this._worldAxis[7],this._worldForward[2]=this._worldAxis[8],this.fire("worldAxis",this._worldAxis)}},{key:"worldUp",get:function(){return this._worldUp}},{key:"xUp",get:function(){return this._worldUp[0]>this._worldUp[1]&&this._worldUp[0]>this._worldUp[2]}},{key:"yUp",get:function(){return this._worldUp[1]>this._worldUp[0]&&this._worldUp[1]>this._worldUp[2]}},{key:"zUp",get:function(){return this._worldUp[2]>this._worldUp[0]&&this._worldUp[2]>this._worldUp[1]}},{key:"worldRight",get:function(){return this._worldRight}},{key:"worldForward",get:function(){return this._worldForward}},{key:"gimbalLock",get:function(){return this._gimbalLock},set:function(e){this._gimbalLock=!1!==e,this.fire("gimbalLock",this._gimbalLock)}},{key:"constrainPitch",set:function(e){this._constrainPitch=!!e,this.fire("constrainPitch",this._constrainPitch)}},{key:"eyeLookDist",get:function(){return re.lenVec3(re.subVec3(this._look,this._eye,Ui))}},{key:"matrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"viewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.matrix}},{key:"normalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"viewNormalMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.normalMatrix}},{key:"inverseViewMatrix",get:function(){return this._updateScheduled&&this._doUpdate(),this._state.inverseMatrix}},{key:"projMatrix",get:function(){return this[this.projection].matrix}},{key:"perspective",get:function(){return this._perspective}},{key:"ortho",get:function(){return this._ortho}},{key:"frustum",get:function(){return this._frustum}},{key:"customProjection",get:function(){return this._customProjection}},{key:"projection",get:function(){return this._projectionType},set:function(e){e=e||"perspective",this._projectionType!==e&&("perspective"===e?this._project=this._perspective:"ortho"===e?this._project=this._ortho:"frustum"===e?this._project=this._frustum:"customProjection"===e?this._project=this._customProjection:(this.error("Unsupported value for 'projection': "+e+" defaulting to 'perspective'"),this._project=this._perspective,e="perspective"),this._project._update(),this._projectionType=e,this.glRedraw(),this._update(),this.fire("dirty"),this.fire("projection",this._projectionType),this.fire("projMatrix",this._project.matrix))}},{key:"project",get:function(){return this._project}},{key:"projectWorldPos",value:function(e){var t=ji,i=Gi,r=zi;t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=1,re.mulMat4v4(this.viewMatrix,t,i),re.mulMat4v4(this.projMatrix,i,r),re.mulVec3Scalar(r,1/r[3]),r[3]=1,r[1]*=-1;var s=this.scene.canvas.canvas,n=s.offsetWidth/2,o=s.offsetHeight/2;return[r[0]*n+n,r[1]*o+o]}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),$i=function(e){p(i,Ce);var t=v(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),t.call(this,e,r)}return C(i,[{key:"type",get:function(){return"Light"}},{key:"isLight",get:function(){return!0}}]),i}(),er=function(e){p(i,$i);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s))._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var n=r.scene.camera,o=r.scene.canvas;return r._onCameraViewMatrix=n.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=n.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=o.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new Ii({type:"dir",dir:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(r._shadowViewMatrixDirty){r._shadowViewMatrix||(r._shadowViewMatrix=re.identityMat4());var e=r.scene.camera,t=r._state.dir,i=e.look,s=[i[0]-t[0],i[1]-t[1],i[2]-t[2]];re.lookAtMat4v(s,i,[0,1,0],r._shadowViewMatrix),r._shadowViewMatrixDirty=!1}return r._shadowViewMatrix},getShadowProjMatrix:function(){return r._shadowProjMatrixDirty&&(r._shadowProjMatrix||(r._shadowProjMatrix=re.identityMat4()),re.orthoMat4c(-40,40,-40,40,-40,80,r._shadowProjMatrix),r._shadowProjMatrixDirty=!1),r._shadowProjMatrix},getShadowRenderBuf:function(){return r._shadowRenderBuf||(r._shadowRenderBuf=new Pi(r.scene.canvas.canvas,r.scene.canvas.gl,{size:[1024,1024]})),r._shadowRenderBuf}}),r.dir=s.dir,r.color=s.color,r.intensity=s.intensity,r.castsShadow=s.castsShadow,r.scene._lightCreated(m(r)),r}return C(i,[{key:"type",get:function(){return"DirLight"}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),h(_(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}(),tr=function(e){p(i,$i);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state={type:"ambient",color:re.vec3([.7,.7,.7]),intensity:1},r.color=s.color,r.intensity=s.intensity,r.scene._lightCreated(m(r)),r}return C(i,[{key:"type",get:function(){return"AmbientLight"}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){this._state.intensity=void 0!==e?e:1,this.glRedraw()}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this.scene._lightDestroyed(this)}}]),i}(),ir=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),r=t.call(this,e,s),ae.memory.meshes++,r}return C(i,[{key:"type",get:function(){return"Geometry"}},{key:"isGeometry",get:function(){return!0}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),ae.memory.meshes--}}]),i}(),rr=function(){var e=[],t=[],i=[],r=[],s=[],n=0,o=new Uint16Array(3),a=new Uint16Array(3),l=new Uint16Array(3),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3();return function(v,g,m,_){!function(s,n){var o,a,l,u,c,A,h={},d=Math.pow(10,4),p=0;for(c=0,A=s.length;c<A;c+=3)o=s[c],a=s[c+1],l=s[c+2],void 0===h[u=Math.round(o*d)+"_"+Math.round(a*d)+"_"+Math.round(l*d)]&&(h[u]=p/3,e[p++]=o,e[p++]=a,e[p++]=l),t[c/3]=h[u];for(c=0,A=n.length;c<A;c++)r[c]=t[n[c]],i[r[c]]=n[c]}(v,g),function(t,i){n=0;for(var v=0,g=t;v<g;v+=3){var m=3*r[v],_=3*r[v+1],y=3*r[v+2];i?(o[0]=e[m],o[1]=e[m+1],o[2]=e[m+2],a[0]=e[_],a[1]=e[_+1],a[2]=e[_+2],l[0]=e[y],l[1]=e[y+1],l[2]=e[y+2],re.decompressPosition(o,i,u),re.decompressPosition(a,i,c),re.decompressPosition(l,i,A)):(u[0]=e[m],u[1]=e[m+1],u[2]=e[m+2],c[0]=e[_],c[1]=e[_+1],c[2]=e[_+2],A[0]=e[y],A[1]=e[y+1],A[2]=e[y+2]),re.subVec3(A,c,h),re.subVec3(u,c,d),re.cross3Vec3(h,d,p),re.normalizeVec3(p,f);var b=s[n]||(s[n]={normal:re.vec3()});b.normal[0]=f[0],b.normal[1]=f[1],b.normal[2]=f[2],n++}}(g.length,m);for(var y,b,B,w,P,x,C,M,E,F,k=[],I=Math.cos(re.DEGTORAD*_),D={},S=!1,T=0,R=g.length;T<R;T+=3)for(var L=T/3,U=0;U<3;U++)y=r[T+U],b=r[T+(U+1)%3],void 0===D[P=(B=Math.min(y,b))+","+(w=Math.max(y,b))]?D[P]={index1:B,index2:w,face1:L,face2:void 0}:D[P].face2=L;for(P in D)void 0!==(x=D[P]).face2&&(C=s[x.face1].normal,M=s[x.face2].normal,re.dotVec3(C,M)>I)||(E=i[x.index1],F=i[x.index2],(!S&&E>65535||F>65535)&&(S=!0),k.push(E),k.push(F));return S?new Uint32Array(k):new Uint16Array(k)}}();var sr=function(){var e=re.mat4(),t=re.mat4();return function(i,r){r=r||re.mat4();var s=i[0],n=i[1],o=i[2],a=i[3]-s,l=i[4]-n,u=i[5]-o,c=65535;return re.identityMat4(e),re.translationMat4v(i,e),re.identityMat4(t),re.scalingMat4v([a/c,l/c,u/c],t),re.mulMat4(e,t,r),r}}(),nr=function(){var e=re.mat4(),t=re.mat4();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([s[0]!==r[0]?65535/(s[0]-r[0]):0,s[1]!==r[1]?65535/(s[1]-r[1]):0,s[2]!==r[2]?65535/(s[2]-r[2]):0]);for(n=0;n<i.length;n+=3)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1]))),o[n+2]=Math.max(0,Math.min(65535,Math.floor((i[n+2]-r[2])*a[2])));return re.identityMat4(e),re.translationMat4v(r,e),re.identityMat4(t),re.scalingMat4v([(s[0]-r[0])/65535,(s[1]-r[1])/65535,(s[2]-r[2])/65535],t),{quantized:o,decodeMatrix:re.mulMat4(e,t,re.identityMat4())}}}();var or=function(){var e=re.mat3(),t=re.mat3();return function(i,r,s){var n,o=new Uint16Array(i.length),a=new Float32Array([65535/(s[0]-r[0]),65535/(s[1]-r[1])]);for(n=0;n<i.length;n+=2)o[n+0]=Math.max(0,Math.min(65535,Math.floor((i[n+0]-r[0])*a[0]))),o[n+1]=Math.max(0,Math.min(65535,Math.floor((i[n+1]-r[1])*a[1])));return re.identityMat3(e),re.translationMat3v(r,e),re.identityMat3(t),re.scalingMat3v([(s[0]-r[0])/65535,(s[1]-r[1])/65535],t),{quantized:o,decodeMatrix:re.mulMat3(e,t,re.identityMat3())}}}();function ar(e,t,i,r){var s=e[t]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2])),n=e[t+1]/(Math.abs(e[t])+Math.abs(e[t+1])+Math.abs(e[t+2]));if(e[t+2]<0){var o=(1-Math.abs(n))*(s>=0?1:-1),a=(1-Math.abs(s))*(n>=0?1:-1);s=o,n=a}return new Int8Array([Math[i](127.5*s+(s<0?-1:0)),Math[r](127.5*n+(n<0?-1:0))])}function lr(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}function ur(e,t,i){return e[t]*i[0]+e[t+1]*i[1]+e[t+2]*i[2]}var cr={getPositionsBounds:function(e){var t,i,r=new Float32Array(3),s=new Float32Array(3);for(t=0;t<3;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=3)for(i=0;i<3;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},createPositionsDecodeMatrix:sr,compressPositions:nr,compressPosition:function(e,t,i){var r=new Float32Array([t[3]!==t[0]?65535/(t[3]-t[0]):0,t[4]!==t[1]?65535/(t[4]-t[1]):0,t[5]!==t[2]?65535/(t[5]-t[2]):0]);i[0]=Math.max(0,Math.min(65535,Math.floor((e[0]-t[0])*r[0]))),i[1]=Math.max(0,Math.min(65535,Math.floor((e[1]-t[1])*r[1]))),i[2]=Math.max(0,Math.min(65535,Math.floor((e[2]-t[2])*r[2])))},decompressPositions:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[12],i[r+1]=e[r+1]*t[5]+t[13],i[r+2]=e[r+2]*t[10]+t[14];return i},decompressPosition:function(e,t,i){return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i},decompressAABB:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:e;return i[0]=e[0]*t[0]+t[12],i[1]=e[1]*t[5]+t[13],i[2]=e[2]*t[10]+t[14],i[3]=e[3]*t[0]+t[12],i[4]=e[4]*t[5]+t[13],i[5]=e[5]*t[10]+t[14],i},getUVBounds:function(e){var t,i,r=new Float32Array(2),s=new Float32Array(2);for(t=0;t<2;t++)r[t]=Number.MAX_VALUE,s[t]=-Number.MAX_VALUE;for(t=0;t<e.length;t+=2)for(i=0;i<2;i++)r[i]=Math.min(r[i],e[t+i]),s[i]=Math.max(s[i],e[t+i]);return{min:r,max:s}},compressUVs:or,decompressUVs:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:new Float32Array(e.length),r=0,s=e.length;r<s;r+=3)i[r+0]=e[r+0]*t[0]+t[6],i[r+1]=e[r+1]*t[4]+t[7];return i},decompressUV:function(e,t,i){i[0]=e[0]*t[0]+t[6],i[1]=e[1]*t[4]+t[7]},compressNormals:function(e){for(var t,i,r,s,n=new Int8Array(e.length),o=0;o<e.length;o+=3)i=t=ar(e,o,"floor","floor"),r=s=ur(e,o,lr(t)),(r=ur(e,o,lr(t=ar(e,o,"ceil","floor"))))>s&&(i=t,s=r),(r=ur(e,o,lr(t=ar(e,o,"floor","ceil"))))>s&&(i=t,s=r),(r=ur(e,o,lr(t=ar(e,o,"ceil","ceil"))))>s&&(i=t,s=r),n[o]=i[0],n[o+1]=i[1];return n},decompressNormals:function(e,t){for(var i=0,r=0,s=e.length;i<s;i+=2){var n=e[i+0],o=e[i+1];n=(2*n+1)/255,o=(2*o+1)/255;var a=1-Math.abs(n)-Math.abs(o);a<0&&(n=(1-Math.abs(o))*(n>=0?1:-1),o=(1-Math.abs(n))*(o>=0?1:-1));var l=Math.sqrt(n*n+o*o+a*a);t[r+0]=n/l,t[r+1]=o/l,t[r+2]=a/l,r+=3}return t},decompressNormal:function(e,t){var i=e[0],r=e[1];i=(2*i+1)/255,r=(2*r+1)/255;var s=1-Math.abs(i)-Math.abs(r);s<0&&(i=(1-Math.abs(r))*(i>=0?1:-1),r=(1-Math.abs(i))*(r>=0?1:-1));var n=Math.sqrt(i*i+r*r+s*s);return t[0]=i/n,t[1]=r/n,t[2]=s/n,t}},Ar=ae.memory,hr=re.AABB3(),dr=function(e){p(i,ir);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s))._state=new Ii({compressGeometry:!!s.compressGeometry,primitive:null,primitiveName:null,positions:null,normals:null,colors:null,uv:null,indices:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._edgeIndicesBuf=null,r._pickTrianglePositionsBuf=null,r._pickTriangleColorsBuf=null,r._aabbDirty=!0,r._boundingSphere=!0,r._aabb=null,r._aabbDirty=!0,r._obb=null,r._obbDirty=!0;var n=r._state,o=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":n.primitive=o.POINTS,n.primitiveName=s.primitive;break;case"lines":n.primitive=o.LINES,n.primitiveName=s.primitive;break;case"line-loop":n.primitive=o.LINE_LOOP,n.primitiveName=s.primitive;break;case"line-strip":n.primitive=o.LINE_STRIP,n.primitiveName=s.primitive;break;case"triangles":n.primitive=o.TRIANGLES,n.primitiveName=s.primitive;break;case"triangle-strip":n.primitive=o.TRIANGLE_STRIP,n.primitiveName=s.primitive;break;case"triangle-fan":n.primitive=o.TRIANGLE_FAN,n.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),n.primitive=o.TRIANGLES,n.primitiveName=s.primitive}if(s.positions)if(r._state.compressGeometry){var a=cr.getPositionsBounds(s.positions),l=cr.compressPositions(s.positions,a.min,a.max);n.positions=l.quantized,n.positionsDecodeMatrix=l.decodeMatrix}else n.positions=s.positions.constructor===Float32Array?s.positions:new Float32Array(s.positions);if(s.colors&&(n.colors=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors)),s.uv)if(r._state.compressGeometry){var u=cr.getUVBounds(s.uv),c=cr.compressUVs(s.uv,u.min,u.max);n.uv=c.quantized,n.uvDecodeMatrix=c.decodeMatrix}else n.uv=s.uv.constructor===Float32Array?s.uv:new Float32Array(s.uv);return s.normals&&(r._state.compressGeometry?n.normals=cr.compressNormals(s.normals):n.normals=s.normals.constructor===Float32Array?s.normals:new Float32Array(s.normals)),s.indices&&(n.indices=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3)),r._buildHash(),Ar.meshes++,r._buildVBOs(),r}return C(i,[{key:"type",get:function(){return"ReadableGeometry"}},{key:"isReadableGeometry",get:function(){return!0}},{key:"_buildVBOs",value:function(){var e=this._state,t=this.scene.canvas.gl;if(e.indices&&(e.indicesBuf=new ci(t,t.ELEMENT_ARRAY_BUFFER,e.indices,e.indices.length,1,t.STATIC_DRAW),Ar.indices+=e.indicesBuf.numItems),e.positions&&(e.positionsBuf=new ci(t,t.ARRAY_BUFFER,e.positions,e.positions.length,3,t.STATIC_DRAW),Ar.positions+=e.positionsBuf.numItems),e.normals){var i=e.compressGeometry;e.normalsBuf=new ci(t,t.ARRAY_BUFFER,e.normals,e.normals.length,3,t.STATIC_DRAW,i),Ar.normals+=e.normalsBuf.numItems}e.colors&&(e.colorsBuf=new ci(t,t.ARRAY_BUFFER,e.colors,e.colors.length,4,t.STATIC_DRAW),Ar.colors+=e.colorsBuf.numItems),e.uv&&(e.uvBuf=new ci(t,t.ARRAY_BUFFER,e.uv,e.uv.length,2,t.STATIC_DRAW),Ar.uvs+=e.uvBuf.numItems)}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positions&&t.push("p"),e.colors&&t.push("c"),(e.normals||e.autoVertexNormals)&&t.push("n"),e.uv&&t.push("u"),e.compressGeometry&&t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf||this._buildEdgeIndices(),this._edgeIndicesBuf}},{key:"_getPickTrianglePositions",value:function(){return this._pickTrianglePositionsBuf||this._buildPickTriangleVBOs(),this._pickTrianglePositionsBuf}},{key:"_getPickTriangleColors",value:function(){return this._pickTriangleColorsBuf||this._buildPickTriangleVBOs(),this._pickTriangleColorsBuf}},{key:"_buildEdgeIndices",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=rr(e.positions,e.indices,e.positionsDecodeMatrix,this._edgeThreshold);this._edgeIndicesBuf=new ci(t,t.ELEMENT_ARRAY_BUFFER,i,i.length,1,t.STATIC_DRAW),Ar.indices+=this._edgeIndicesBuf.numItems}}},{key:"_buildPickTriangleVBOs",value:function(){var e=this._state;if(e.positions&&e.indices){var t=this.scene.canvas.gl,i=re.buildPickTriangles(e.positions,e.indices,e.compressGeometry),r=i.positions,s=i.colors;this._pickTrianglePositionsBuf=new ci(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this._pickTriangleColorsBuf=new ci(t,t.ARRAY_BUFFER,s,s.length,4,t.STATIC_DRAW,!0),Ar.positions+=this._pickTrianglePositionsBuf.numItems,Ar.colors+=this._pickTriangleColorsBuf.numItems}}},{key:"_buildPickVertexVBOs",value:function(){}},{key:"_webglContextLost",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextLost()}},{key:"_webglContextRestored",value:function(){this._sceneVertexBufs&&this._sceneVertexBufs.webglContextRestored(),this._buildVBOs(),this._edgeIndicesBuf=null,this._pickVertexPositionsBuf=null,this._pickTrianglePositionsBuf=null,this._pickTriangleColorsBuf=null,this._pickVertexPositionsBuf=null,this._pickVertexColorsBuf=null}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"compressGeometry",get:function(){return this._state.compressGeometry}},{key:"positions",get:function(){return this._state.positions?this._state.compressGeometry?(this._decompressedPositions||(this._decompressedPositions=new Float32Array(this._state.positions.length),cr.decompressPositions(this._state.positions,this._state.positionsDecodeMatrix,this._decompressedPositions)),this._decompressedPositions):this._state.positions:null},set:function(e){var t=this._state,i=t.positions;if(i)if(i.length===e.length){if(this._state.compressGeometry){var r=cr.getPositionsBounds(e),s=cr.compressPositions(e,r.min,r.max);e=s.quantized,t.positionsDecodeMatrix=s.decodeMatrix}i.set(e),t.positionsBuf&&t.positionsBuf.setData(i),this._setAABBDirty(),this.glRedraw()}else this.error("can't update geometry positions - new positions are wrong length");else this.error("can't update geometry positions - geometry has no positions")}},{key:"normals",get:function(){if(this._state.normals){if(!this._state.compressGeometry)return this._state.normals;if(!this._decompressedNormals){var e=this._state.normals.length,t=e+e/2;this._decompressedNormals=new Float32Array(t),cr.decompressNormals(this._state.normals,this._decompressedNormals)}return this._decompressedNormals}},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry normals - quantized geometry is immutable");else{var t=this._state,i=t.normals;i?i.length===e.length?(i.set(e),t.normalsBuf&&t.normalsBuf.setData(i),this.glRedraw()):this.error("can't update geometry normals - new normals are wrong length"):this.error("can't update geometry normals - geometry has no normals")}}},{key:"uv",get:function(){return this._state.uv?this._state.compressGeometry?(this._decompressedUV||(this._decompressedUV=new Float32Array(this._state.uv.length),cr.decompressUVs(this._state.uv,this._state.uvDecodeMatrix,this._decompressedUV)),this._decompressedUV):this._state.uv:null},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry UVs - quantized geometry is immutable");else{var t=this._state,i=t.uv;i?i.length===e.length?(i.set(e),t.uvBuf&&t.uvBuf.setData(i),this.glRedraw()):this.error("can't update geometry UVs - new UVs are wrong length"):this.error("can't update geometry UVs - geometry has no UVs")}}},{key:"colors",get:function(){return this._state.colors},set:function(e){if(this._state.compressGeometry)this.error("can't update geometry colors - quantized geometry is immutable");else{var t=this._state,i=t.colors;i?i.length===e.length?(i.set(e),t.colorsBuf&&t.colorsBuf.setData(i),this.glRedraw()):this.error("can't update geometry colors - new colors are wrong length"):this.error("can't update geometry colors - geometry has no colors")}}},{key:"indices",get:function(){return this._state.indices}},{key:"aabb",get:function(){return this._aabbDirty&&(this._aabb||(this._aabb=re.AABB3()),re.positions3ToAABB3(this._state.positions,this._aabb,this._state.positionsDecodeMatrix),this._aabbDirty=!1),this._aabb}},{key:"obb",get:function(){return this._obbDirty&&(this._obb||(this._obb=re.OBB3()),re.positions3ToAABB3(this._state.positions,hr,this._state.positionsDecodeMatrix),re.AABB3ToOBB3(hr,this._obb),this._obbDirty=!1),this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_setAABBDirty",value:function(){this._aabbDirty||(this._aabbDirty=!0,this._aabbDirty=!0,this._obbDirty=!0)}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),this._pickTrianglePositionsBuf&&this._pickTrianglePositionsBuf.destroy(),this._pickTriangleColorsBuf&&this._pickTriangleColorsBuf.destroy(),this._pickVertexPositionsBuf&&this._pickVertexPositionsBuf.destroy(),this._pickVertexColorsBuf&&this._pickVertexColorsBuf.destroy(),e.destroy(),Ar.meshes--}}]),i}();function pr(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,c=-r+a,A=t+n,h=i+o,d=r+a;return he.apply(e,{positions:[A,h,d,l,h,d,l,u,d,A,u,d,A,h,d,A,u,d,A,u,c,A,h,c,A,h,d,A,h,c,l,h,c,l,h,d,l,h,d,l,h,c,l,u,c,l,u,d,l,u,c,A,u,c,A,u,d,l,u,d,A,u,c,l,u,c,l,h,c,A,h,c],normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],uv:[1,0,0,0,0,1,1,1,0,0,0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0,0,0,0,1,1,1,0,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]})}var fr=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),r=t.call(this,e,s),ae.memory.materials++,r}return C(i,[{key:"type",get:function(){return"Material"}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),ae.memory.materials--}}]),i}(),vr={opaque:0,mask:1,blend:2},gr=["opaque","mask","blend"],mr=function(e){p(i,fr);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({type:"PhongMaterial",ambient:re.vec3([1,1,1]),diffuse:re.vec3([1,1,1]),specular:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,shininess:null,reflectivity:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.ambient=s.ambient,r.diffuse=s.diffuse,r.specular=s.specular,r.emissive=s.emissive,r.alpha=s.alpha,r.shininess=s.shininess,r.reflectivity=s.reflectivity,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,s.ambientMap&&(r._ambientMap=r._checkComponent("Texture",s.ambientMap)),s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.reflectivityMap&&(r._reflectivityMap=r._checkComponent("Texture",s.reflectivityMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.diffuseFresnel&&(r._diffuseFresnel=r._checkComponent("Fresnel",s.diffuseFresnel)),s.specularFresnel&&(r._specularFresnel=r._checkComponent("Fresnel",s.specularFresnel)),s.emissiveFresnel&&(r._emissiveFresnel=r._checkComponent("Fresnel",s.emissiveFresnel)),s.alphaFresnel&&(r._alphaFresnel=r._checkComponent("Fresnel",s.alphaFresnel)),s.reflectivityFresnel&&(r._reflectivityFresnel=r._checkComponent("Fresnel",s.reflectivityFresnel)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"PhongMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/p"];this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._ambientMap&&(t.push("/am"),this._ambientMap.hasMatrix&&t.push("/mat"),t.push("/"+this._ambientMap.encoding)),this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat"),t.push("/"+this._emissiveMap.encoding)),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),this._reflectivityMap&&(t.push("/rm"),this._reflectivityMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._diffuseFresnel&&t.push("/df"),this._specularFresnel&&t.push("/sf"),this._emissiveFresnel&&t.push("/ef"),this._alphaFresnel&&t.push("/of"),this._reflectivityFresnel&&t.push("/rf"),t.push(";"),e.hash=t.join("")}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"shininess",get:function(){return this._state.shininess},set:function(e){this._state.shininess=void 0!==e?e:80,this.glRedraw()}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"reflectivity",get:function(){return this._state.reflectivity},set:function(e){this._state.reflectivity=void 0!==e?e:1,this.glRedraw()}},{key:"normalMap",get:function(){return this._normalMap}},{key:"ambientMap",get:function(){return this._ambientMap}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specularMap",get:function(){return this._specularMap}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"reflectivityMap",get:function(){return this._reflectivityMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"diffuseFresnel",get:function(){return this._diffuseFresnel}},{key:"specularFresnel",get:function(){return this._specularFresnel}},{key:"emissiveFresnel",get:function(){return this._emissiveFresnel}},{key:"alphaFresnel",get:function(){return this._alphaFresnel}},{key:"reflectivityFresnel",get:function(){return this._reflectivityFresnel}},{key:"alphaMode",get:function(){return gr[this._state.alphaMode]},set:function(e){var t=vr[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" - defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),_r={default:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultWhiteBG:{fill:!0,fillColor:[1,1,1],fillAlpha:.6,edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.2,.2,.2],edgeAlpha:.5,edgeWidth:1},defaultDarkBG:{fill:!0,fillColor:[.4,.4,.4],fillAlpha:.2,edges:!0,edgeColor:[.5,.5,.5],edgeAlpha:.5,edgeWidth:1},phosphorous:{fill:!0,fillColor:[0,0,0],fillAlpha:.4,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:2},sunset:{fill:!0,fillColor:[.9,.9,.6],fillAlpha:.2,edges:!0,edgeColor:[.9,.9,.9],edgeAlpha:.5,edgeWidth:1},vectorscope:{fill:!0,fillColor:[0,0,0],fillAlpha:.7,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:2},battlezone:{fill:!0,fillColor:[0,0,0],fillAlpha:1,edges:!0,edgeColor:[.2,1,.2],edgeAlpha:1,edgeWidth:3},sepia:{fill:!0,fillColor:[.970588207244873,.7965892553329468,.6660899519920349],fillAlpha:.4,edges:!0,edgeColor:[.529411792755127,.4577854573726654,.4100345969200134],edgeAlpha:1,edgeWidth:1},yellowHighlight:{fill:!0,fillColor:[1,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},greenSelected:{fill:!0,fillColor:[0,1,0],fillAlpha:.5,edges:!0,edgeColor:[1,1,1],edgeAlpha:1,edgeWidth:1},gamegrid:{fill:!0,fillColor:[.2,.2,.7],fillAlpha:.9,edges:!0,edgeColor:[.4,.4,1.6],edgeAlpha:.8,edgeWidth:3}},yr=function(e){p(i,fr);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({type:"EmphasisMaterial",fill:null,fillColor:null,fillAlpha:null,edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null,backfaces:!0,glowThrough:!0}),r._preset="default",s.preset?(r.preset=s.preset,void 0!==s.fill&&(r.fill=s.fill),s.fillColor&&(r.fillColor=s.fillColor),void 0!==s.fillAlpha&&(r.fillAlpha=s.fillAlpha),void 0!==s.edges&&(r.edges=s.edges),s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth),void 0!==s.backfaces&&(r.backfaces=s.backfaces),void 0!==s.glowThrough&&(r.glowThrough=s.glowThrough)):(r.fill=s.fill,r.fillColor=s.fillColor,r.fillAlpha=s.fillAlpha,r.edges=s.edges,r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth,r.backfaces=s.backfaces,r.glowThrough=s.glowThrough),r}return C(i,[{key:"type",get:function(){return"EmphasisMaterial"}},{key:"presets",get:function(){return _r}},{key:"fill",get:function(){return this._state.fill},set:function(e){e=!1!==e,this._state.fill!==e&&(this._state.fill=e,this.glRedraw())}},{key:"fillColor",get:function(){return this._state.fillColor},set:function(e){var t=this._state.fillColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.fillColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.4,t[1]=.4,t[2]=.4),this.glRedraw()}},{key:"fillAlpha",get:function(){return this._state.fillAlpha},set:function(e){e=null!=e?e:.2,this._state.fillAlpha!==e&&(this._state.fillAlpha=e,this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:.5,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"glowThrough",get:function(){return this._state.glowThrough},set:function(e){e=!1!==e,this._state.glowThrough!==e&&(this._state.glowThrough=e,this.glRedraw())}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=_r[e];t?(this.fill=t.fill,this.fillColor=t.fillColor,this.fillAlpha=t.fillAlpha,this.edges=t.edges,this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this.glowThrough=t.glowThrough,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(_r).join(", "))}}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),br={default:{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1},defaultWhiteBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultLightBG:{edgeColor:[.2,.2,.2],edgeAlpha:1,edgeWidth:1},defaultDarkBG:{edgeColor:[.5,.5,.5],edgeAlpha:1,edgeWidth:1}},Br=function(e){p(i,fr);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({type:"EdgeMaterial",edges:null,edgeColor:null,edgeAlpha:null,edgeWidth:null}),r._preset="default",s.preset?(r.preset=s.preset,s.edgeColor&&(r.edgeColor=s.edgeColor),void 0!==s.edgeAlpha&&(r.edgeAlpha=s.edgeAlpha),void 0!==s.edgeWidth&&(r.edgeWidth=s.edgeWidth)):(r.edgeColor=s.edgeColor,r.edgeAlpha=s.edgeAlpha,r.edgeWidth=s.edgeWidth),r.edges=!1!==s.edges,r}return C(i,[{key:"type",get:function(){return"EdgeMaterial"}},{key:"presets",get:function(){return br}},{key:"edges",get:function(){return this._state.edges},set:function(e){e=!1!==e,this._state.edges!==e&&(this._state.edges=e,this.glRedraw())}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){var t=this._state.edgeColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.edgeColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"edgeAlpha",get:function(){return this._state.edgeAlpha},set:function(e){e=null!=e?e:1,this._state.edgeAlpha!==e&&(this._state.edgeAlpha=e,this.glRedraw())}},{key:"edgeWidth",get:function(){return this._state.edgeWidth},set:function(e){this._state.edgeWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=br[e];t?(this.edgeColor=t.edgeColor,this.edgeAlpha=t.edgeAlpha,this.edgeWidth=t.edgeWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(br).join(", "))}}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),wr={meters:{abbrev:"m"},metres:{abbrev:"m"},centimeters:{abbrev:"cm"},centimetres:{abbrev:"cm"},millimeters:{abbrev:"mm"},millimetres:{abbrev:"mm"},yards:{abbrev:"yd"},feet:{abbrev:"ft"},inches:{abbrev:"in"}},Pr=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._units="meters",r._scale=1,r._origin=re.vec3([0,0,0]),r.units=s.units,r.scale=s.scale,r.origin=s.origin,r}return C(i,[{key:"unitsInfo",get:function(){return wr}},{key:"units",get:function(){return this._units},set:function(e){e||(e="meters"),wr[e]||(this.error("Unsupported value for 'units': "+e+" defaulting to 'meters'"),e="meters"),this._units=e,this.fire("units",this._units)}},{key:"scale",get:function(){return this._scale},set:function(e){(e=e||1)<=0?this.error("scale value should be larger than zero"):(this._scale=e,this.fire("scale",this._scale))}},{key:"origin",get:function(){return this._origin},set:function(e){if(!e)return this._origin[0]=0,this._origin[1]=0,void(this._origin[2]=0);this._origin[0]=e[0],this._origin[1]=e[1],this._origin[2]=e[2],this.fire("origin",this._origin)}},{key:"worldToRealPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);t[0]=this._origin[0]+this._scale*e[0],t[1]=this._origin[1]+this._scale*e[1],t[2]=this._origin[2]+this._scale*e[2]}},{key:"realToWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:re.vec3(3);return t[0]=(e[0]-this._origin[0])/this._scale,t[1]=(e[1]-this._origin[1])/this._scale,t[2]=(e[2]-this._origin[2])/this._scale,t}}]),i}(),xr=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._supported=$t.SUPPORTED_EXTENSIONS.OES_standard_derivatives,r.enabled=s.enabled,r.kernelRadius=s.kernelRadius,r.intensity=s.intensity,r.bias=s.bias,r.scale=s.scale,r.minResolution=s.minResolution,r.numSamples=s.numSamples,r.blur=s.blur,r.blendCutoff=s.blendCutoff,r.blendFactor=s.blendFactor,r}return C(i,[{key:"supported",get:function(){return this._supported}},{key:"enabled",get:function(){return this._enabled},set:function(e){e=!!e,this._enabled!==e&&(this._enabled=e,this.glRedraw())}},{key:"possible",get:function(){if(!this._supported)return!1;if(!this._enabled)return!1;var e=this.scene.camera.projection;return"customProjection"!==e&&"frustum"!==e}},{key:"active",get:function(){return this._active}},{key:"kernelRadius",get:function(){return this._kernelRadius},set:function(e){null==e&&(e=100),this._kernelRadius!==e&&(this._kernelRadius=e,this.glRedraw())}},{key:"intensity",get:function(){return this._intensity},set:function(e){null==e&&(e=.15),this._intensity!==e&&(this._intensity=e,this.glRedraw())}},{key:"bias",get:function(){return this._bias},set:function(e){null==e&&(e=.5),this._bias!==e&&(this._bias=e,this.glRedraw())}},{key:"scale",get:function(){return this._scale},set:function(e){null==e&&(e=1),this._scale!==e&&(this._scale=e,this.glRedraw())}},{key:"minResolution",get:function(){return this._minResolution},set:function(e){null==e&&(e=0),this._minResolution!==e&&(this._minResolution=e,this.glRedraw())}},{key:"numSamples",get:function(){return this._numSamples},set:function(e){null==e&&(e=10),this._numSamples!==e&&(this._numSamples=e,this.glRedraw())}},{key:"blur",get:function(){return this._blur},set:function(e){e=!1!==e,this._blur!==e&&(this._blur=e,this.glRedraw())}},{key:"blendCutoff",get:function(){return this._blendCutoff},set:function(e){null==e&&(e=.3),this._blendCutoff!==e&&(this._blendCutoff=e,this.glRedraw())}},{key:"blendFactor",get:function(){return this._blendFactor},set:function(e){null==e&&(e=1),this._blendFactor!==e&&(this._blendFactor=e,this.glRedraw())}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Cr=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).sliceColor=s.sliceColor,r.sliceThickness=s.sliceThickness,r}return C(i,[{key:"sliceThickness",get:function(){return this._sliceThickness},set:function(e){null==e&&(e=0),this._sliceThickness!==e&&(this._sliceThickness=e,this.glRedraw())}},{key:"sliceColor",get:function(){return this._sliceColor},set:function(e){null==e&&(e=[0,0,0,1]),this._sliceColor!==e&&(this._sliceColor=e,this.glRedraw())}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Mr={default:{pointSize:4,roundPoints:!0,perspectivePoints:!0},square:{pointSize:4,roundPoints:!1,perspectivePoints:!0},round:{pointSize:4,roundPoints:!0,perspectivePoints:!0}},Er=function(e){p(i,fr);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({type:"PointsMaterial",pointSize:null,roundPoints:null,perspectivePoints:null,minPerspectivePointSize:null,maxPerspectivePointSize:null,filterIntensity:null,minIntensity:null,maxIntensity:null}),s.preset?(r.preset=s.preset,void 0!==s.pointSize&&(r.pointSize=s.pointSize),void 0!==s.roundPoints&&(r.roundPoints=s.roundPoints),void 0!==s.perspectivePoints&&(r.perspectivePoints=s.perspectivePoints),void 0!==s.minPerspectivePointSize&&(r.minPerspectivePointSize=s.minPerspectivePointSize),void 0!==s.maxPerspectivePointSize&&(r.maxPerspectivePointSize=s.minPerspectivePointSize)):(r._preset="default",r.pointSize=s.pointSize,r.roundPoints=s.roundPoints,r.perspectivePoints=s.perspectivePoints,r.minPerspectivePointSize=s.minPerspectivePointSize,r.maxPerspectivePointSize=s.maxPerspectivePointSize),r.filterIntensity=s.filterIntensity,r.minIntensity=s.minIntensity,r.maxIntensity=s.maxIntensity,r}return C(i,[{key:"type",get:function(){return"PointsMaterial"}},{key:"presets",get:function(){return Mr}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||2,this.glRedraw()}},{key:"roundPoints",get:function(){return this._state.roundPoints},set:function(e){e=!1!==e,this._state.roundPoints!==e&&(this._state.roundPoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"perspectivePoints",get:function(){return this._state.perspectivePoints},set:function(e){e=!1!==e,this._state.perspectivePoints!==e&&(this._state.perspectivePoints=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minPerspectivePointSize",get:function(){return this._state.minPerspectivePointSize},set:function(e){this._state.minPerspectivePointSize=e||1,this.scene._needRecompile=!0,this.glRedraw()}},{key:"maxPerspectivePointSize",get:function(){return this._state.maxPerspectivePointSize},set:function(e){this._state.maxPerspectivePointSize=e||6,this.scene._needRecompile=!0,this.glRedraw()}},{key:"filterIntensity",get:function(){return this._state.filterIntensity},set:function(e){e=!1!==e,this._state.filterIntensity!==e&&(this._state.filterIntensity=e,this.scene._needRecompile=!0,this.glRedraw())}},{key:"minIntensity",get:function(){return this._state.minIntensity},set:function(e){this._state.minIntensity=null!=e?e:0,this.glRedraw()}},{key:"maxIntensity",get:function(){return this._state.maxIntensity},set:function(e){this._state.maxIntensity=null!=e?e:1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=Mr[e];t?(this.pointSize=t.pointSize,this.roundPoints=t.roundPoints,this.perspectivePoints=t.perspectivePoints,this.minPerspectivePointSize=t.minPerspectivePointSize,this.maxPerspectivePointSize=t.maxPerspectivePointSize,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Mr).join(", "))}}},{key:"hash",get:function(){return[this.pointSize,this.roundPoints,this.perspectivePoints,this.minPerspectivePointSize,this.maxPerspectivePointSize,this.filterIntensity].join(";")}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),Fr={default:{lineWidth:1},thick:{lineWidth:2},thicker:{lineWidth:4}},kr=function(e){p(i,fr);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({type:"LinesMaterial",lineWidth:null}),s.preset?(r.preset=s.preset,void 0!==s.lineWidth&&(r.lineWidth=s.lineWidth)):(r._preset="default",r.lineWidth=s.lineWidth),r}return C(i,[{key:"type",get:function(){return"LinesMaterial"}},{key:"presets",get:function(){return Fr}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"preset",get:function(){return this._preset},set:function(e){if(e=e||"default",this._preset!==e){var t=Fr[e];t?(this.lineWidth=t.lineWidth,this._preset=e):this.error("unsupported preset: '"+e+"' - supported values are "+Object.keys(Fr).join(", "))}}},{key:"hash",get:function(){return[""+this.lineWidth].join(";")}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function Ir(e,t){for(var i,r,s={},n=0,o=t.length;n<o;n++)i=t[n],(r=e.components[i])?r.isEntity?s[i]=!0:e.warn("pick(): Component is not an Entity: "+i):e.warn("pick(): Component not found: "+i);return s}var Dr=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),r=t.call(this,null,s);var n=s.canvasElement||document.getElementById(s.canvasId);if(!(n instanceof HTMLCanvasElement))throw"Mandatory config expected: valid canvasId or canvasElement";r._tickifiedFunctions={};var o=!!s.transparent,a=!!s.alphaDepthMask;return r._aabbDirty=!0,r._readableGeometry=!!s.readableGeometryEnabled,r.viewer=e,r.occlusionTestCountdown=0,r.loading=0,r.startTime=(new Date).getTime(),r.models={},r.objects={},r._numObjects=0,r.visibleObjects={},r._numVisibleObjects=0,r.xrayedObjects={},r._numXRayedObjects=0,r.highlightedObjects={},r._numHighlightedObjects=0,r.selectedObjects={},r._numSelectedObjects=0,r.colorizedObjects={},r._numColorizedObjects=0,r.opacityObjects={},r._numOpacityObjects=0,r.offsetObjects={},r._numOffsetObjects=0,r._modelIds=null,r._objectIds=null,r._visibleObjectIds=null,r._xrayedObjectIds=null,r._highlightedObjectIds=null,r._selectedObjectIds=null,r._colorizedObjectIds=null,r._opacityObjectIds=null,r._offsetObjectIds=null,r._collidables={},r._compilables={},r._needRecompile=!1,r.types={},r.components={},r.sectionPlanes={},r.lights={},r.lightMaps={},r.reflectionMaps={},r.bitmaps={},r.lineSets={},r.realWorldOffset=s.realWorldOffset||new Float64Array([0,0,0]),r.canvas=new Zt(m(r),{dontClear:!0,canvas:n,spinnerElementId:s.spinnerElementId,transparent:o,webgl2:!1!==s.webgl2,contextAttr:s.contextAttr||{},backgroundColor:s.backgroundColor,backgroundColorFromAmbientLight:s.backgroundColorFromAmbientLight,premultipliedAlpha:s.premultipliedAlpha}),r.canvas.on("boundary",(function(){r.glRedraw()})),r.canvas.on("webglContextFailed",(function(){alert("xeokit failed to find WebGL!")})),r._renderer=new Ei(m(r),{transparent:o,alphaDepthMask:a}),r._sectionPlanesState=new function(){this.sectionPlanes=[],this.clippingCaps=!1,this._numCachedSectionPlanes=0;var e=null;this.getHash=function(){if(e)return e;var t=this.getNumAllocatedSectionPlanes();if(this.sectionPlanes,0===t)return this.hash=";";for(var i=[],r=0,s=t;r<s;r++)i.push("cp");return i.push(";"),e=i.join("")},this.addSectionPlane=function(t){this.sectionPlanes.push(t),e=null},this.removeSectionPlane=function(t){for(var i=0,r=this.sectionPlanes.length;i<r;i++)if(this.sectionPlanes[i].id===t.id)return this.sectionPlanes.splice(i,1),void(e=null)},this.setNumCachedSectionPlanes=function(t){this._numCachedSectionPlanes=t,e=null},this.getNumCachedSectionPlanes=function(){return this._numCachedSectionPlanes},this.getNumAllocatedSectionPlanes=function(){var e=this.sectionPlanes.length;return e>this._numCachedSectionPlanes?e:this._numCachedSectionPlanes}},r._sectionPlanesState.setNumCachedSectionPlanes(s.numCachedSectionPlanes||0),r._lightsState=new function(){var e=re.vec4([0,0,0,0]),t=re.vec4();this.lights=[],this.reflectionMaps=[],this.lightMaps=[];var i=null,r=null;this.getHash=function(){if(i)return i;for(var e,t=[],r=this.lights,s=0,n=r.length;s<n;s++)e=r[s],t.push("/"),t.push(e.type),t.push("world"===e.space?"w":"v"),e.castsShadow&&t.push("sh");return this.lightMaps.length>0&&t.push("/lm"),this.reflectionMaps.length>0&&t.push("/rm"),t.push(";"),i=t.join("")},this.addLight=function(e){this.lights.push(e),r=null,i=null},this.removeLight=function(e){for(var t=0,s=this.lights.length;t<s;t++){if(this.lights[t].id===e.id)return this.lights.splice(t,1),r&&r.id===e.id&&(r=null),void(i=null)}},this.addReflectionMap=function(e){this.reflectionMaps.push(e),i=null},this.removeReflectionMap=function(e){for(var t=0,r=this.reflectionMaps.length;t<r;t++)if(this.reflectionMaps[t].id===e.id)return this.reflectionMaps.splice(t,1),void(i=null)},this.addLightMap=function(e){this.lightMaps.push(e),i=null},this.removeLightMap=function(e){for(var t=0,r=this.lightMaps.length;t<r;t++)if(this.lightMaps[t].id===e.id)return this.lightMaps.splice(t,1),void(i=null)},this.getAmbientColorAndIntensity=function(){if(!r)for(var i=0,s=this.lights.length;i<s;i++){var n=this.lights[i];if("ambient"===n.type){r=n;break}}if(r){var o=r.color,a=r.intensity;return t[0]=o[0],t[1]=o[1],t[2]=o[2],t[3]=a,t}return e}},r.input=new Fi(m(r),{dontClear:!0,element:r.canvas.canvas,keyboardEventsElement:s.keyboardEventsElement}),r.metrics=new Pr(m(r),{units:s.units,scale:s.scale,origin:s.origin}),r.sao=new xr(m(r),{enabled:s.saoEnabled}),r.crossSections=new Cr(m(r),{}),r.ticksPerRender=s.ticksPerRender,r.ticksPerOcclusionTest=s.ticksPerOcclusionTest,r.passes=s.passes,r.clearEachPass=s.clearEachPass,r.gammaInput=s.gammaInput,r.gammaOutput=s.gammaOutput,r.gammaFactor=s.gammaFactor,r._entityOffsetsEnabled=!!s.entityOffsetsEnabled,r._logarithmicDepthBufferEnabled=!!s.logarithmicDepthBufferEnabled,r._dtxEnabled=!1!==s.dtxEnabled,r._pbrEnabled=!!s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._dtxEnabled=!!s.dtxEnabled,r._markerZOffset=s.markerZOffset,we._addScene(m(r)),r._initDefaults(),r._viewport=new Di(m(r),{id:"default.viewport",autoBoundary:!0,dontClear:!0}),r._camera=new qi(m(r),{id:"default.camera",dontClear:!0}),new tr(m(r),{color:[1,1,1],intensity:.7}),new er(m(r),{dir:[.8,-.5,-.5],color:[.67,.67,1],intensity:.7,space:"world"}),new er(m(r),{dir:[-.8,-1,.5],color:[1,1,.9],intensity:.9,space:"world"}),r._camera.on("dirty",(function(){r._renderer.imageDirty()})),r}return C(i,[{key:"type",get:function(){return"Scene"}},{key:"_initDefaults",value:function(){}},{key:"_addComponent",value:function(e){if(e.id&&this.components[e.id]&&(this.error("Component "+he.inQuotes(e.id)+" already exists in Scene - ignoring ID, will randomly-generate instead"),e.id=null),!e.id)for(void 0===window.nextID&&(window.nextID=0),e.id="__"+window.nextID++;this.components[e.id];)e.id=re.createUUID();this.components[e.id]=e;var t=e.type,i=this.types[e.type];i||(i=this.types[t]={}),i[e.id]=e,e.compile&&(this._compilables[e.id]=e),e.isDrawable&&(this._renderer.addDrawable(e.id,e),this._collidables[e.id]=e)}},{key:"_removeComponent",value:function(e){var t=e.id,i=e.type;delete this.components[t];var r=this.types[i];r&&(delete r[t],he.isEmptyObject(r)&&delete this.types[i]),e.compile&&delete this._compilables[e.id],e.isDrawable&&(this._renderer.removeDrawable(e.id),delete this._collidables[e.id])}},{key:"_sectionPlaneCreated",value:function(e){this.sectionPlanes[e.id]=e,this.scene._sectionPlanesState.addSectionPlane(e._state),this.scene.fire("sectionPlaneCreated",e,!0),this._needRecompile=!0}},{key:"_bitmapCreated",value:function(e){this.bitmaps[e.id]=e,this.scene.fire("bitmapCreated",e,!0)}},{key:"_lineSetCreated",value:function(e){this.lineSets[e.id]=e,this.scene.fire("lineSetCreated",e,!0)}},{key:"_lightCreated",value:function(e){this.lights[e.id]=e,this.scene._lightsState.addLight(e._state),this._needRecompile=!0}},{key:"_lightMapCreated",value:function(e){this.lightMaps[e.id]=e,this.scene._lightsState.addLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapCreated",value:function(e){this.reflectionMaps[e.id]=e,this.scene._lightsState.addReflectionMap(e._state),this._needRecompile=!0}},{key:"_sectionPlaneDestroyed",value:function(e){delete this.sectionPlanes[e.id],this.scene._sectionPlanesState.removeSectionPlane(e._state),this.scene.fire("sectionPlaneDestroyed",e,!0),this._needRecompile=!0}},{key:"_bitmapDestroyed",value:function(e){delete this.bitmaps[e.id],this.scene.fire("bitmapDestroyed",e,!0)}},{key:"_lineSetDestroyed",value:function(e){delete this.lineSets[e.id],this.scene.fire("lineSetDestroyed",e,!0)}},{key:"_lightDestroyed",value:function(e){delete this.lights[e.id],this.scene._lightsState.removeLight(e._state),this._needRecompile=!0}},{key:"_lightMapDestroyed",value:function(e){delete this.lightMaps[e.id],this.scene._lightsState.removeLightMap(e._state),this._needRecompile=!0}},{key:"_reflectionMapDestroyed",value:function(e){delete this.reflectionMaps[e.id],this.scene._lightsState.removeReflectionMap(e._state),this._needRecompile=!0}},{key:"_registerModel",value:function(e){this.models[e.id]=e,this._modelIds=null}},{key:"_deregisterModel",value:function(e){var t=e.id;delete this.models[t],this._modelIds=null,this.fire("modelUnloaded",t)}},{key:"_registerObject",value:function(e){this.objects[e.id]=e,this._numObjects++,this._objectIds=null}},{key:"_deregisterObject",value:function(e){delete this.objects[e.id],this._numObjects--,this._objectIds=null}},{key:"_objectVisibilityUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.visible?(this.visibleObjects[e.id]=e,this._numVisibleObjects++):(delete this.visibleObjects[e.id],this._numVisibleObjects--),this._visibleObjectIds=null,t&&this.fire("objectVisibility",e,!0)}},{key:"_deRegisterVisibleObject",value:function(e){delete this.visibleObjects[e.id],this._numVisibleObjects--,this._visibleObjectIds=null}},{key:"_objectXRayedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.xrayed?(this.xrayedObjects[e.id]=e,this._numXRayedObjects++):(delete this.xrayedObjects[e.id],this._numXRayedObjects--),this._xrayedObjectIds=null,t&&this.fire("objectXRayed",e,!0)}},{key:"_deRegisterXRayedObject",value:function(e){delete this.xrayedObjects[e.id],this._numXRayedObjects--,this._xrayedObjectIds=null}},{key:"_objectHighlightedUpdated",value:function(e){e.highlighted?(this.highlightedObjects[e.id]=e,this._numHighlightedObjects++):(delete this.highlightedObjects[e.id],this._numHighlightedObjects--),this._highlightedObjectIds=null}},{key:"_deRegisterHighlightedObject",value:function(e){delete this.highlightedObjects[e.id],this._numHighlightedObjects--,this._highlightedObjectIds=null}},{key:"_objectSelectedUpdated",value:function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1];e.selected?(this.selectedObjects[e.id]=e,this._numSelectedObjects++):(delete this.selectedObjects[e.id],this._numSelectedObjects--),this._selectedObjectIds=null,t&&this.fire("objectSelected",e,!0)}},{key:"_deRegisterSelectedObject",value:function(e){delete this.selectedObjects[e.id],this._numSelectedObjects--,this._selectedObjectIds=null}},{key:"_objectColorizeUpdated",value:function(e,t){t?(this.colorizedObjects[e.id]=e,this._numColorizedObjects++):(delete this.colorizedObjects[e.id],this._numColorizedObjects--),this._colorizedObjectIds=null}},{key:"_deRegisterColorizedObject",value:function(e){delete this.colorizedObjects[e.id],this._numColorizedObjects--,this._colorizedObjectIds=null}},{key:"_objectOpacityUpdated",value:function(e,t){t?(this.opacityObjects[e.id]=e,this._numOpacityObjects++):(delete this.opacityObjects[e.id],this._numOpacityObjects--),this._opacityObjectIds=null}},{key:"_deRegisterOpacityObject",value:function(e){delete this.opacityObjects[e.id],this._numOpacityObjects--,this._opacityObjectIds=null}},{key:"_objectOffsetUpdated",value:function(e,t){!t||0===t[0]&&0===t[1]&&0===t[2]?(this.offsetObjects[e.id]=e,this._numOffsetObjects++):(delete this.offsetObjects[e.id],this._numOffsetObjects--),this._offsetObjectIds=null}},{key:"_deRegisterOffsetObject",value:function(e){delete this.offsetObjects[e.id],this._numOffsetObjects--,this._offsetObjectIds=null}},{key:"_webglContextLost",value:function(){for(var e in this.canvas.spinner.processes++,this.components)if(this.components.hasOwnProperty(e)){var t=this.components[e];t._webglContextLost&&t._webglContextLost()}this._renderer.webglContextLost()}},{key:"_webglContextRestored",value:function(){var e=this.canvas.gl;for(var t in this.components)if(this.components.hasOwnProperty(t)){var i=this.components[t];i._webglContextRestored&&i._webglContextRestored(e)}this._renderer.webglContextRestored(e),this.canvas.spinner.processes--}},{key:"capabilities",get:function(){return this._renderer.capabilities}},{key:"entityOffsetsEnabled",get:function(){return this._entityOffsetsEnabled}},{key:"readableGeometryEnabled",get:function(){return this._readableGeometry}},{key:"pickSurfacePrecisionEnabled",get:function(){return this._readableGeometry}},{key:"logarithmicDepthBufferEnabled",get:function(){return this._logarithmicDepthBufferEnabled}},{key:"numCachedSectionPlanes",get:function(){return this._sectionPlanesState.getNumCachedSectionPlanes()},set:function(e){e=e||0,this._sectionPlanesState.getNumCachedSectionPlanes()!==e&&(this._sectionPlanesState.setNumCachedSectionPlanes(e),this._needRecompile=!0,this.glRedraw())}},{key:"pbrEnabled",get:function(){return this._pbrEnabled},set:function(e){this._pbrEnabled=!!e,this.glRedraw()}},{key:"dtxEnabled",get:function(){return this._dtxEnabled},set:function(e){e=!!e,this._dtxEnabled!==e&&(this._dtxEnabled=e)}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled},set:function(e){this._colorTextureEnabled=!!e,this.glRedraw()}},{key:"markerZOffset",get:function(){return null==this._markerZOffset?-.001:this._markerZOffset}},{key:"doOcclusionTest",value:function(){this._needRecompile&&(this._recompile(),this._needRecompile=!1),this._renderer.doOcclusionTest()}},{key:"render",value:function(e){e&&we.runTasks();var t={sceneId:null,pass:0};if(this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),e||this._renderer.needsRender()){t.sceneId=this.id;var i,r,s=this._passes,n=this._clearEachPass;for(i=0;i<s;i++)t.pass=i,this.fire("rendering",t,!0),r=n||0===i,this._renderer.render({pass:i,clear:r,force:e}),this.fire("rendered",t,!0);this._saveAmbientColor()}}},{key:"compile",value:function(){this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1)}},{key:"_recompile",value:function(){for(var e in this._compilables)this._compilables.hasOwnProperty(e)&&this._compilables[e].compile();this._renderer.shadowsDirty(),this.fire("compile",this,!0)}},{key:"_saveAmbientColor",value:function(){var e=this.canvas;if(e.transparent||e.backgroundImage||e.backgroundColor)this._lastAmbientColor=null;else{var t=this._lightsState.getAmbientColorAndIntensity();this._lastAmbientColor&&this._lastAmbientColor[0]===t[0]&&this._lastAmbientColor[1]===t[1]&&this._lastAmbientColor[2]===t[2]&&this._lastAmbientColor[3]===t[3]||(e.backgroundColor=t,this._lastAmbientColor||(this._lastAmbientColor=re.vec4([0,0,0,1])),this._lastAmbientColor.set(t))}}},{key:"modelIds",get:function(){return this._modelIds||(this._modelIds=Object.keys(this.models)),this._modelIds}},{key:"numObjects",get:function(){return this._numObjects}},{key:"objectIds",get:function(){return this._objectIds||(this._objectIds=Object.keys(this.objects)),this._objectIds}},{key:"numVisibleObjects",get:function(){return this._numVisibleObjects}},{key:"visibleObjectIds",get:function(){return this._visibleObjectIds||(this._visibleObjectIds=Object.keys(this.visibleObjects)),this._visibleObjectIds}},{key:"numXRayedObjects",get:function(){return this._numXRayedObjects}},{key:"xrayedObjectIds",get:function(){return this._xrayedObjectIds||(this._xrayedObjectIds=Object.keys(this.xrayedObjects)),this._xrayedObjectIds}},{key:"numHighlightedObjects",get:function(){return this._numHighlightedObjects}},{key:"highlightedObjectIds",get:function(){return this._highlightedObjectIds||(this._highlightedObjectIds=Object.keys(this.highlightedObjects)),this._highlightedObjectIds}},{key:"numSelectedObjects",get:function(){return this._numSelectedObjects}},{key:"selectedObjectIds",get:function(){return this._selectedObjectIds||(this._selectedObjectIds=Object.keys(this.selectedObjects)),this._selectedObjectIds}},{key:"numColorizedObjects",get:function(){return this._numColorizedObjects}},{key:"colorizedObjectIds",get:function(){return this._colorizedObjectIds||(this._colorizedObjectIds=Object.keys(this.colorizedObjects)),this._colorizedObjectIds}},{key:"opacityObjectIds",get:function(){return this._opacityObjectIds||(this._opacityObjectIds=Object.keys(this.opacityObjects)),this._opacityObjectIds}},{key:"offsetObjectIds",get:function(){return this._offsetObjectIds||(this._offsetObjectIds=Object.keys(this.offsetObjects)),this._offsetObjectIds}},{key:"ticksPerRender",get:function(){return this._ticksPerRender},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerRender': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._ticksPerRender&&(this._ticksPerRender=e)}},{key:"ticksPerOcclusionTest",get:function(){return this._ticksPerOcclusionTest},set:function(e){null==e?e=20:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'ticksPerOcclusionTest': '"+e+"' - should be an integer greater than zero."),e=20),e!==this._ticksPerOcclusionTest&&(this._ticksPerOcclusionTest=e)}},{key:"passes",get:function(){return this._passes},set:function(e){null==e?e=1:(!he.isNumeric(e)||e<=0)&&(this.error("Unsupported value for 'passes': '"+e+"' - should be an integer greater than zero."),e=1),e!==this._passes&&(this._passes=e,this.glRedraw())}},{key:"clearEachPass",get:function(){return this._clearEachPass},set:function(e){(e=!!e)!==this._clearEachPass&&(this._clearEachPass=e,this.glRedraw())}},{key:"gammaInput",get:function(){return this._renderer.gammaInput},set:function(e){(e=!1!==e)!==this._renderer.gammaInput&&(this._renderer.gammaInput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaOutput",get:function(){return this._renderer.gammaOutput},set:function(e){(e=!!e)!==this._renderer.gammaOutput&&(this._renderer.gammaOutput=e,this._needRecompile=!0,this.glRedraw())}},{key:"gammaFactor",get:function(){return this._renderer.gammaFactor},set:function(e){(e=null==e?2.2:e)!==this._renderer.gammaFactor&&(this._renderer.gammaFactor=e,this.glRedraw())}},{key:"geometry",get:function(){return this.components["default.geometry"]||pr(dr)}},{key:"material",get:function(){return this.components["default.material"]||new mr(this,{id:"default.material",emissive:[.4,.4,.4],dontClear:!0})}},{key:"xrayMaterial",get:function(){return this.components["default.xrayMaterial"]||new yr(this,{id:"default.xrayMaterial",preset:"sepia",dontClear:!0})}},{key:"highlightMaterial",get:function(){return this.components["default.highlightMaterial"]||new yr(this,{id:"default.highlightMaterial",preset:"yellowHighlight",dontClear:!0})}},{key:"selectedMaterial",get:function(){return this.components["default.selectedMaterial"]||new yr(this,{id:"default.selectedMaterial",preset:"greenSelected",dontClear:!0})}},{key:"edgeMaterial",get:function(){return this.components["default.edgeMaterial"]||new Br(this,{id:"default.edgeMaterial",preset:"default",edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1,dontClear:!0})}},{key:"pointsMaterial",get:function(){return this.components["default.pointsMaterial"]||new Er(this,{id:"default.pointsMaterial",preset:"default",dontClear:!0})}},{key:"linesMaterial",get:function(){return this.components["default.linesMaterial"]||new kr(this,{id:"default.linesMaterial",preset:"default",dontClear:!0})}},{key:"viewport",get:function(){return this._viewport}},{key:"camera",get:function(){return this._camera}},{key:"center",get:function(){if(this._aabbDirty||!this._center){var e=this.aabb;this._center||(this._center=re.vec3()),this._center[0]=(e[0]+e[3])/2,this._center[1]=(e[1]+e[4])/2,this._center[2]=(e[2]+e[5])/2}return this._center}},{key:"aabb",get:function(){if(this._aabbDirty){this._aabb||(this._aabb=re.AABB3());var e,t,i=re.MAX_DOUBLE,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MIN_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=this._collidables,u=!1;for(var c in l)if(l.hasOwnProperty(c)){if(!1===(t=l[c]).collidable)continue;(e=t.aabb)[0]<i&&(i=e[0]),e[1]<r&&(r=e[1]),e[2]<s&&(s=e[2]),e[3]>n&&(n=e[3]),e[4]>o&&(o=e[4]),e[5]>a&&(a=e[5]),u=!0}u||(i=-100,r=-100,s=-100,n=100,o=100,a=100),this._aabb[0]=i,this._aabb[1]=r,this._aabb[2]=s,this._aabb[3]=n,this._aabb[4]=o,this._aabb[5]=a,this._aabbDirty=!1,this._center=null}return this._aabb}},{key:"_setAABBDirty",value:function(){this._aabbDirty=!0,this.fire("boundary")}},{key:"pick",value:function(e,t){if(0===this.canvas.boundary[2]||0===this.canvas.boundary[3])return this.error("Picking not allowed while canvas has zero width or height"),null;(e=e||{}).pickSurface=e.pickSurface||e.rayPick,e.canvasPos||e.matrix||e.origin&&e.direction||this.warn("picking without canvasPos, matrix, or ray origin and direction");var i=e.includeEntities||e.include;i&&(e.includeEntityIds=Ir(this,i));var r=e.excludeEntities||e.exclude;return r&&(e.excludeEntityIds=Ir(this,r)),this._needRecompile&&(this._recompile(),this._renderer.imageDirty(),this._needRecompile=!1),(t=e.snapToEdge||e.snapToVertex?this._renderer.snapPick(e,t):this._renderer.pick(e,t))&&t.entity&&t.entity.fire&&t.entity.fire("picked",t),t}},{key:"snapPick",value:function(e){if(void 0===this._warnSnapPickDeprecated&&(this._warnSnapPickDeprecated=!0,this.warn("Scene.snapPick() is deprecated since v2.4.2 - use Scene.pick() instead")),e.canvasPos)return this._renderer.snapPick(e);this.error("Scene.snapPick() canvasPos parameter expected")}},{key:"clear",value:function(){var e;for(var t in this.components)this.components.hasOwnProperty(t)&&((e=this.components[t])._dontClear||e.destroy())}},{key:"clearLights",value:function(){for(var e=Object.keys(this.lights),t=0,i=e.length;t<i;t++)this.lights[e[t]].destroy()}},{key:"clearSectionPlanes",value:function(){for(var e=Object.keys(this.sectionPlanes),t=0,i=e.length;t<i;t++)this.sectionPlanes[e[t]].destroy()}},{key:"clearBitmaps",value:function(){for(var e=Object.keys(this.bitmaps),t=0,i=e.length;t<i;t++)this.bitmaps[e[t]].destroy()}},{key:"clearLines",value:function(){for(var e=Object.keys(this.lineSets),t=0,i=e.length;t<i;t++)this.lineSets[e[t]].destroy()}},{key:"getAABB",value:function(e){if(void 0===e)return this.aabb;if(he.isString(e)){var t=this.objects[e];if(t&&t.aabb)return t.aabb;e=[e]}if(0===e.length)return this.aabb;var i,r=re.MAX_DOUBLE,s=re.MAX_DOUBLE,n=re.MAX_DOUBLE,o=re.MIN_DOUBLE,a=re.MIN_DOUBLE,l=re.MIN_DOUBLE;if(this.withObjects(e,(function(e){if(e.collidable){var t=e.aabb;t[0]<r&&(r=t[0]),t[1]<s&&(s=t[1]),t[2]<n&&(n=t[2]),t[3]>o&&(o=t[3]),t[4]>a&&(a=t[4]),t[5]>l&&(l=t[5]),i=!0}})),i){var u=re.AABB3();return u[0]=r,u[1]=s,u[2]=n,u[3]=o,u[4]=a,u[5]=l,u}return this.aabb}},{key:"setObjectsVisible",value:function(e,t){return this.withObjects(e,(function(e){var i=e.visible!==t;return e.visible=t,i}))}},{key:"setObjectsCollidable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.collidable!==t;return e.collidable=t,i}))}},{key:"setObjectsCulled",value:function(e,t){return this.withObjects(e,(function(e){var i=e.culled!==t;return e.culled=t,i}))}},{key:"setObjectsSelected",value:function(e,t){return this.withObjects(e,(function(e){var i=e.selected!==t;return e.selected=t,i}))}},{key:"setObjectsHighlighted",value:function(e,t){return this.withObjects(e,(function(e){var i=e.highlighted!==t;return e.highlighted=t,i}))}},{key:"setObjectsXRayed",value:function(e,t){return this.withObjects(e,(function(e){var i=e.xrayed!==t;return e.xrayed=t,i}))}},{key:"setObjectsEdges",value:function(e,t){return this.withObjects(e,(function(e){var i=e.edges!==t;return e.edges=t,i}))}},{key:"setObjectsColorized",value:function(e,t){return this.withObjects(e,(function(e){e.colorize=t}))}},{key:"setObjectsOpacity",value:function(e,t){return this.withObjects(e,(function(e){var i=e.opacity!==t;return e.opacity=t,i}))}},{key:"setObjectsPickable",value:function(e,t){return this.withObjects(e,(function(e){var i=e.pickable!==t;return e.pickable=t,i}))}},{key:"setObjectsOffset",value:function(e,t){this.withObjects(e,(function(e){e.offset=t}))}},{key:"withObjects",value:function(e,t){he.isString(e)&&(e=[e]);for(var i=!1,r=0,s=e.length;r<s;r++){var n=e[r],o=this.objects[n];if(o)i=t(o)||i;else for(var a=this.modelIds,l=0,u=a.length;l<u;l++){var c=a[l],A=re.globalizeObjectId(c,n);(o=this.objects[A])&&(i=t(o)||i)}}return i}},{key:"tickify",value:function(e){var t=e.toString();if(t in this._tickifiedFunctions)return this._tickifiedFunctions[t].wrapperFunc;var i,r=0,s=0,n=function(){for(var e=arguments.length,t=new Array(e),r=0;r<e;r++)t[r]=arguments[r];i=t,s++},o=this.on("tick",(function(){s>r&&(r=s,e.apply(void 0,c(i)))}));return this._tickifiedFunctions[t]={tickSubId:o,wrapperFunc:n},n}},{key:"destroy",value:function(){for(var e in h(_(i.prototype),"destroy",this).call(this),this.components)this.components.hasOwnProperty(e)&&this.components[e].destroy();this.canvas.gl=null,this.components=null,this.models=null,this.objects=null,this.visibleObjects=null,this.xrayedObjects=null,this.highlightedObjects=null,this.selectedObjects=null,this.colorizedObjects=null,this.opacityObjects=null,this.sectionPlanes=null,this.lights=null,this.lightMaps=null,this.reflectionMaps=null,this._objectIds=null,this._visibleObjectIds=null,this._xrayedObjectIds=null,this._highlightedObjectIds=null,this._selectedObjectIds=null,this._colorizedObjectIds=null,this.types=null,this.components=null,this.canvas=null,this._renderer=null,this.input=null,this._viewport=null,this._camera=null}}]),i}(),Sr=1e3,Tr=1001,Rr=1002,Lr=1003,Ur=1004,Or=1004,Nr=1005,Qr=1005,Vr=1006,Hr=1007,jr=1007,Gr=1008,zr=1008,Kr=1009,Wr=1010,Xr=1011,Jr=1012,Yr=1013,Zr=1014,qr=1015,$r=1016,es=1017,ts=1018,is=1020,rs=1021,ss=1022,ns=1023,os=1024,as=1025,ls=1026,us=1027,cs=1028,As=1029,hs=1030,ds=1031,ps=1033,fs=33776,vs=33777,gs=33778,ms=33779,_s=35840,ys=35841,bs=35842,Bs=35843,ws=36196,Ps=37492,xs=37496,Cs=37808,Ms=37809,Es=37810,Fs=37811,ks=37812,Is=37813,Ds=37814,Ss=37815,Ts=37816,Rs=37817,Ls=37818,Us=37819,Os=37820,Ns=37821,Qs=36492,Vs=3e3,Hs=3001,js=1e4,Gs=10001,zs=10002,Ks=10003,Ws=function(e){"LambertMaterial"===e._material._state.type?(this.vertex=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene._lightsState,s=e._geometry._state,n=e._state.billboard,o=e._state.stationary,a=i.getNumAllocatedSectionPlanes()>0,l=!!s.compressGeometry,u=[];u.push("#version 300 es"),u.push("// Lambertian drawing vertex shader"),u.push("in vec3 position;"),u.push("uniform mat4 modelMatrix;"),u.push("uniform mat4 viewMatrix;"),u.push("uniform mat4 projMatrix;"),u.push("uniform vec4 colorize;"),u.push("uniform vec3 offset;"),l&&u.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(u.push("uniform float logDepthBufFC;"),u.push("out float vFragDepth;"),u.push("bool isPerspectiveMatrix(mat4 m) {"),u.push("    return (m[2][3] == - 1.0);"),u.push("}"),u.push("out float isPerspective;"));a&&u.push("out vec4 vWorldPosition;");if(u.push("uniform vec4 lightAmbient;"),u.push("uniform vec4 materialColor;"),u.push("uniform vec3 materialEmissive;"),s.normalsBuf){u.push("in vec3 normal;"),u.push("uniform mat4 modelNormalMatrix;"),u.push("uniform mat4 viewNormalMatrix;");for(var c=0,A=r.lights.length;c<A;c++){var h=r.lights[c];"ambient"!==h.type&&(u.push("uniform vec4 lightColor"+c+";"),"dir"===h.type&&u.push("uniform vec3 lightDir"+c+";"),"point"===h.type&&u.push("uniform vec3 lightPos"+c+";"),"spot"===h.type&&(u.push("uniform vec3 lightPos"+c+";"),u.push("uniform vec3 lightDir"+c+";")))}l&&(u.push("vec3 octDecode(vec2 oct) {"),u.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),u.push("    if (v.z < 0.0) {"),u.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),u.push("    }"),u.push("    return normalize(v);"),u.push("}"))}u.push("out vec4 vColor;"),"points"===s.primitiveName&&u.push("uniform float pointSize;");"spherical"!==n&&"cylindrical"!==n||(u.push("void billboard(inout mat4 mat) {"),u.push("   mat[0][0] = 1.0;"),u.push("   mat[0][1] = 0.0;"),u.push("   mat[0][2] = 0.0;"),"spherical"===n&&(u.push("   mat[1][0] = 0.0;"),u.push("   mat[1][1] = 1.0;"),u.push("   mat[1][2] = 0.0;")),u.push("   mat[2][0] = 0.0;"),u.push("   mat[2][1] = 0.0;"),u.push("   mat[2][2] =1.0;"),u.push("}"));u.push("void main(void) {"),u.push("vec4 localPosition = vec4(position, 1.0); "),u.push("vec4 worldPosition;"),l&&u.push("localPosition = positionsDecodeMatrix * localPosition;");s.normalsBuf&&(l?u.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):u.push("vec4 localNormal = vec4(normal, 0.0); "),u.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),u.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));u.push("mat4 viewMatrix2 = viewMatrix;"),u.push("mat4 modelMatrix2 = modelMatrix;"),o&&u.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===n||"cylindrical"===n?(u.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),u.push("billboard(modelMatrix2);"),u.push("billboard(viewMatrix2);"),u.push("billboard(modelViewMatrix);"),s.normalsBuf&&(u.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),u.push("billboard(modelNormalMatrix2);"),u.push("billboard(viewNormalMatrix2);"),u.push("billboard(modelViewNormalMatrix);")),u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(u.push("worldPosition = modelMatrix2 * localPosition;"),u.push("worldPosition.xyz = worldPosition.xyz + offset;"),u.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));s.normalsBuf&&u.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(u.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),u.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),u.push("float lambertian = 1.0;"),s.normalsBuf)for(var d=0,p=r.lights.length;d<p;d++){var f=r.lights[d];if("ambient"!==f.type){if("dir"===f.type)"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);");else if("point"===f.type)"view"===f.space?u.push("viewLightDir = -normalize(lightPos"+d+" - viewPosition.xyz);"):u.push("viewLightDir = -normalize((viewMatrix2 * vec4(lightPos"+d+", 0.0)).xyz);");else{if("spot"!==f.type)continue;"view"===f.space?u.push("viewLightDir = normalize(lightDir"+d+");"):u.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+d+", 0.0)).xyz);")}u.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),u.push("reflectedColor += lambertian * (lightColor"+d+".rgb * lightColor"+d+".a);")}}u.push("vColor = vec4((lightAmbient.rgb * lightAmbient.a * materialColor.rgb) + materialEmissive.rgb + (reflectedColor * materialColor.rgb), materialColor.a) * colorize;"),a&&u.push("vWorldPosition = worldPosition;");"points"===s.primitiveName&&u.push("gl_PointSize = pointSize;");u.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(u.push("vFragDepth = 1.0 + clipPos.w;"),u.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return u.push("gl_Position = clipPos;"),u.push("}"),u}(e),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState;e._material._state;var r=e._geometry._state,s=i.getNumAllocatedSectionPlanes()>0,n=t.gammaOutput,o=[];o.push("#version 300 es"),o.push("// Lambertian drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),t.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;"));if(s){o.push("in vec4 vWorldPosition;"),o.push("uniform bool clippable;");for(var a=0,l=i.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";")}o.push("in vec4 vColor;"),n&&(o.push("uniform float gammaFactor;"),o.push("    vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("    return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}"));if(o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("if (clippable) {"),o.push("  float dist = 0.0;");for(var u=0,c=i.getNumAllocatedSectionPlanes();u<c;u++)o.push("if (sectionPlaneActive"+u+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+u+".xyz, vWorldPosition.xyz - sectionPlanePos"+u+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > 0.0) { discard; }"),o.push("}")}"points"===r.primitiveName&&(o.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),o.push("float r = dot(cxy, cxy);"),o.push("if (r > 1.0) {"),o.push("   discard;"),o.push("}"));t.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");n?o.push("outColor = linearToGamma(vColor, gammaFactor);"):o.push("outColor = vColor;");return o.push("}"),o}(e)):(this.vertex=function(e){var t=e.scene;e._material;var i,r=e._state,s=t._sectionPlanesState,n=e._geometry._state,o=t._lightsState,a=r.billboard,l=r.background,u=r.stationary,c=function(e){if(!e._geometry._state.uvBuf)return!1;var t=e._material;return!!(t._ambientMap||t._occlusionMap||t._baseColorMap||t._diffuseMap||t._alphaMap||t._specularMap||t._glossinessMap||t._specularGlossinessMap||t._emissiveMap||t._metallicMap||t._roughnessMap||t._metallicRoughnessMap||t._reflectivityMap||t._normalMap)}(e),A=Ys(e),h=s.getNumAllocatedSectionPlanes()>0,d=Js(e),p=!!n.compressGeometry,f=[];f.push("#version 300 es"),f.push("// Drawing vertex shader"),f.push("in  vec3 position;"),p&&f.push("uniform mat4 positionsDecodeMatrix;");f.push("uniform  mat4 modelMatrix;"),f.push("uniform  mat4 viewMatrix;"),f.push("uniform  mat4 projMatrix;"),f.push("out  vec3 vViewPosition;"),f.push("uniform  vec3 offset;"),h&&f.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(f.push("uniform float logDepthBufFC;"),f.push("out float vFragDepth;"),f.push("bool isPerspectiveMatrix(mat4 m) {"),f.push("    return (m[2][3] == - 1.0);"),f.push("}"),f.push("out float isPerspective;"));o.lightMaps.length>0&&f.push("out    vec3 vWorldNormal;");if(A){f.push("in  vec3 normal;"),f.push("uniform    mat4 modelNormalMatrix;"),f.push("uniform    mat4 viewNormalMatrix;"),f.push("out    vec3 vViewNormal;");for(var v=0,g=o.lights.length;v<g;v++)"ambient"!==(i=o.lights[v]).type&&("dir"===i.type&&f.push("uniform vec3 lightDir"+v+";"),"point"===i.type&&f.push("uniform vec3 lightPos"+v+";"),"spot"===i.type&&(f.push("uniform vec3 lightPos"+v+";"),f.push("uniform vec3 lightDir"+v+";")),"dir"===i.type&&"view"===i.space||f.push("out vec4 vViewLightReverseDirAndDist"+v+";"));p&&(f.push("vec3 octDecode(vec2 oct) {"),f.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),f.push("    if (v.z < 0.0) {"),f.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),f.push("    }"),f.push("    return normalize(v);"),f.push("}"))}c&&(f.push("in vec2 uv;"),f.push("out vec2 vUV;"),p&&f.push("uniform mat3 uvDecodeMatrix;"));n.colors&&(f.push("in vec4 color;"),f.push("out vec4 vColor;"));"points"===n.primitiveName&&f.push("uniform float pointSize;");"spherical"!==a&&"cylindrical"!==a||(f.push("void billboard(inout mat4 mat) {"),f.push("   mat[0][0] = 1.0;"),f.push("   mat[0][1] = 0.0;"),f.push("   mat[0][2] = 0.0;"),"spherical"===a&&(f.push("   mat[1][0] = 0.0;"),f.push("   mat[1][1] = 1.0;"),f.push("   mat[1][2] = 0.0;")),f.push("   mat[2][0] = 0.0;"),f.push("   mat[2][1] = 0.0;"),f.push("   mat[2][2] =1.0;"),f.push("}"));if(d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);");for(var m=0,_=o.lights.length;m<_;m++)o.lights[m].castsShadow&&(f.push("uniform mat4 shadowViewMatrix"+m+";"),f.push("uniform mat4 shadowProjMatrix"+m+";"),f.push("out vec4 vShadowPosFromLight"+m+";"))}f.push("void main(void) {"),f.push("vec4 localPosition = vec4(position, 1.0); "),f.push("vec4 worldPosition;"),p&&f.push("localPosition = positionsDecodeMatrix * localPosition;");A&&(p?f.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):f.push("vec4 localNormal = vec4(normal, 0.0); "),f.push("mat4 modelNormalMatrix2    = modelNormalMatrix;"),f.push("mat4 viewNormalMatrix2     = viewNormalMatrix;"));f.push("mat4 viewMatrix2           = viewMatrix;"),f.push("mat4 modelMatrix2          = modelMatrix;"),u?f.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;"):l&&f.push("viewMatrix2[3] = vec4(0.0, 0.0, 0.0 ,1.0);");"spherical"===a||"cylindrical"===a?(f.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),f.push("billboard(modelMatrix2);"),f.push("billboard(viewMatrix2);"),f.push("billboard(modelViewMatrix);"),A&&(f.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),f.push("billboard(modelNormalMatrix2);"),f.push("billboard(viewNormalMatrix2);"),f.push("billboard(modelViewNormalMatrix);")),f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(f.push("worldPosition = modelMatrix2 * localPosition;"),f.push("worldPosition.xyz = worldPosition.xyz + offset;"),f.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));if(A){f.push("vec3 worldNormal = (modelNormalMatrix2 * localNormal).xyz; "),o.lightMaps.length>0&&f.push("vWorldNormal = worldNormal;"),f.push("vViewNormal = normalize((viewNormalMatrix2 * vec4(worldNormal, 1.0)).xyz);"),f.push("vec3 tmpVec3;"),f.push("float lightDist;");for(var y=0,b=o.lights.length;y<b;y++)"ambient"!==(i=o.lights[y]).type&&("dir"===i.type&&"world"===i.space&&(f.push("tmpVec3 = vec3(viewMatrix2 * vec4(lightDir"+y+", 0.0) ).xyz;"),f.push("vViewLightReverseDirAndDist"+y+" = vec4(-tmpVec3, 0.0);")),"point"===i.type&&("world"===i.space?(f.push("tmpVec3 = (viewMatrix2 * vec4(lightPos"+y+", 1.0)).xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")):(f.push("tmpVec3 = lightPos"+y+".xyz - viewPosition.xyz;"),f.push("lightDist = abs(length(tmpVec3));")),f.push("vViewLightReverseDirAndDist"+y+" = vec4(tmpVec3, lightDist);")))}c&&(p?f.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"):f.push("vUV = uv;"));n.colors&&f.push("vColor = color;");"points"===n.primitiveName&&f.push("gl_PointSize = pointSize;");h&&f.push("vWorldPosition = worldPosition;");f.push("   vViewPosition = viewPosition.xyz;"),f.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(f.push("vFragDepth = 1.0 + clipPos.w;"),f.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));l&&f.push("clipPos.z = clipPos.w;");if(f.push("gl_Position = clipPos;"),d){f.push("const mat4 texUnitConverter = mat4(0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0);"),f.push("vec4 tempx; ");for(var B=0,w=o.lights.length;B<w;B++)o.lights[B].castsShadow&&f.push("vShadowPosFromLight"+B+" = texUnitConverter * shadowProjMatrix"+B+" * (shadowViewMatrix"+B+" * worldPosition); ")}return f.push("}"),f}(e),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=e._material,r=e._geometry._state,s=e.scene._sectionPlanesState,n=e.scene._lightsState,o=e._material._state,a=s.getNumAllocatedSectionPlanes()>0,l=Ys(e),u=r.uvBuf,c="PhongMaterial"===o.type,A="MetallicMaterial"===o.type,h="SpecularMaterial"===o.type,d=Js(e);t.gammaInput;var p=t.gammaOutput,f=[];f.push("#version 300 es"),f.push("// Drawing fragment shader"),f.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),f.push("precision highp float;"),f.push("precision highp int;"),f.push("#else"),f.push("precision mediump float;"),f.push("precision mediump int;"),f.push("#endif"),t.logarithmicDepthBufferEnabled&&(f.push("in float isPerspective;"),f.push("uniform float logDepthBufFC;"),f.push("in float vFragDepth;"));d&&(f.push("float unpackDepth (vec4 color) {"),f.push("  const vec4 bitShift = vec4(1.0, 1.0/256.0, 1.0/(256.0 * 256.0), 1.0/(256.0*256.0*256.0));"),f.push("  return dot(color, bitShift);"),f.push("}"));f.push("uniform float gammaFactor;"),f.push("vec4 linearToLinear( in vec4 value ) {"),f.push("  return value;"),f.push("}"),f.push("vec4 sRGBToLinear( in vec4 value ) {"),f.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),f.push("}"),f.push("vec4 gammaToLinear( in vec4 value) {"),f.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),f.push("}"),p&&(f.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),f.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),f.push("}"));if(a){f.push("in vec4 vWorldPosition;"),f.push("uniform bool clippable;");for(var v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("uniform bool sectionPlaneActive"+v+";"),f.push("uniform vec3 sectionPlanePos"+v+";"),f.push("uniform vec3 sectionPlaneDir"+v+";")}l&&(n.lightMaps.length>0&&(f.push("uniform samplerCube lightMap;"),f.push("uniform mat4 viewNormalMatrix;")),n.reflectionMaps.length>0&&f.push("uniform samplerCube reflectionMap;"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("uniform mat4 viewMatrix;"),f.push("#define PI 3.14159265359"),f.push("#define RECIPROCAL_PI 0.31830988618"),f.push("#define RECIPROCAL_PI2 0.15915494"),f.push("#define EPSILON 1e-6"),f.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),f.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),f.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),f.push("}"),f.push("struct IncidentLight {"),f.push("   vec3 color;"),f.push("   vec3 direction;"),f.push("};"),f.push("struct ReflectedLight {"),f.push("   vec3 diffuse;"),f.push("   vec3 specular;"),f.push("};"),f.push("struct Geometry {"),f.push("   vec3 position;"),f.push("   vec3 viewNormal;"),f.push("   vec3 worldNormal;"),f.push("   vec3 viewEyeDir;"),f.push("};"),f.push("struct Material {"),f.push("   vec3    diffuseColor;"),f.push("   float   specularRoughness;"),f.push("   vec3    specularColor;"),f.push("   float   shine;"),f.push("};"),c&&((n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePhongLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = "+Xs[n.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   vec3 radiance               = texture(reflectionMap, reflectVec).rgb * 0.2;"),f.push("   radiance *= PI;"),f.push("   reflectedLight.specular     += radiance;")),f.push("}")),f.push("void computePhongLighting(const in IncidentLight directLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, directLight.direction));"),f.push("   vec3 irradiance = dotNL * directLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += directLight.color * material.specularColor * pow(max(dot(reflect(-directLight.direction, -geometry.viewNormal), geometry.viewEyeDir), 0.0), material.shine);"),f.push("}")),(A||h)&&(f.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),f.push("   float r = ggxRoughness + 0.0001;"),f.push("   return (2.0 / (r * r) - 2.0);"),f.push("}"),f.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),f.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),f.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),f.push("}"),n.reflectionMaps.length>0&&(f.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),f.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),f.push("   vec3 envMapColor = "+Xs[n.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),f.push("  return envMapColor;"),f.push("}")),f.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),f.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),f.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),f.push("}"),f.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   return 1.0 / ( gl * gv );"),f.push("}"),f.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),f.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),f.push("   return 0.5 / max( gv + gl, EPSILON );"),f.push("}"),f.push("float D_GGX(const in float alpha, const in float dotNH) {"),f.push("   float a2 = ( alpha * alpha );"),f.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),f.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float alpha = ( roughness * roughness );"),f.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),f.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),f.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),f.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),f.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),f.push("   vec3  F = F_Schlick( specularColor, dotLH );"),f.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),f.push("   float D = D_GGX( alpha, dotNH );"),f.push("   return F * (G * D);"),f.push("}"),f.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),f.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),f.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),f.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),f.push("   vec4 r = roughness * c0 + c1;"),f.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),f.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),f.push("   return specularColor * AB.x + AB.y;"),f.push("}"),(n.lightMaps.length>0||n.reflectionMaps.length>0)&&(f.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),n.lightMaps.length>0&&(f.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),f.push("   irradiance *= PI;"),f.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),n.reflectionMaps.length>0&&(f.push("   vec3 reflectVec             = reflect(-geometry.viewEyeDir, geometry.viewNormal);"),f.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),f.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),f.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),f.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),f.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),f.push("}")),f.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),f.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),f.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),f.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),f.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),f.push("}")));f.push("in vec3 vViewPosition;"),r.colors&&f.push("in vec4 vColor;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._occlusionMap||i._alphaMap)&&f.push("in vec2 vUV;");l&&(n.lightMaps.length>0&&f.push("in vec3 vWorldNormal;"),f.push("in vec3 vViewNormal;"));o.ambient&&f.push("uniform vec3 materialAmbient;");o.baseColor&&f.push("uniform vec3 materialBaseColor;");void 0!==o.alpha&&null!==o.alpha&&f.push("uniform vec4 materialAlphaModeCutoff;");o.emissive&&f.push("uniform vec3 materialEmissive;");o.diffuse&&f.push("uniform vec3 materialDiffuse;");void 0!==o.glossiness&&null!==o.glossiness&&f.push("uniform float materialGlossiness;");void 0!==o.shininess&&null!==o.shininess&&f.push("uniform float materialShininess;");o.specular&&f.push("uniform vec3 materialSpecular;");void 0!==o.metallic&&null!==o.metallic&&f.push("uniform float materialMetallic;");void 0!==o.roughness&&null!==o.roughness&&f.push("uniform float materialRoughness;");void 0!==o.specularF0&&null!==o.specularF0&&f.push("uniform float materialSpecularF0;");u&&i._ambientMap&&(f.push("uniform sampler2D ambientMap;"),i._ambientMap._state.matrix&&f.push("uniform mat4 ambientMapMatrix;"));u&&i._baseColorMap&&(f.push("uniform sampler2D baseColorMap;"),i._baseColorMap._state.matrix&&f.push("uniform mat4 baseColorMapMatrix;"));u&&i._diffuseMap&&(f.push("uniform sampler2D diffuseMap;"),i._diffuseMap._state.matrix&&f.push("uniform mat4 diffuseMapMatrix;"));u&&i._emissiveMap&&(f.push("uniform sampler2D emissiveMap;"),i._emissiveMap._state.matrix&&f.push("uniform mat4 emissiveMapMatrix;"));l&&u&&i._metallicMap&&(f.push("uniform sampler2D metallicMap;"),i._metallicMap._state.matrix&&f.push("uniform mat4 metallicMapMatrix;"));l&&u&&i._roughnessMap&&(f.push("uniform sampler2D roughnessMap;"),i._roughnessMap._state.matrix&&f.push("uniform mat4 roughnessMapMatrix;"));l&&u&&i._metallicRoughnessMap&&(f.push("uniform sampler2D metallicRoughnessMap;"),i._metallicRoughnessMap._state.matrix&&f.push("uniform mat4 metallicRoughnessMapMatrix;"));l&&i._normalMap&&(f.push("uniform sampler2D normalMap;"),i._normalMap._state.matrix&&f.push("uniform mat4 normalMapMatrix;"),f.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),f.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),f.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),f.push("      vec2 st0 = dFdx( uv.st );"),f.push("      vec2 st1 = dFdy( uv.st );"),f.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),f.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),f.push("      vec3 N = normalize( surf_norm );"),f.push("      vec3 mapN = texture( normalMap, uv ).xyz * 2.0 - 1.0;"),f.push("      mat3 tsn = mat3( S, T, N );"),f.push("      return normalize( tsn * mapN );"),f.push("}"));u&&i._occlusionMap&&(f.push("uniform sampler2D occlusionMap;"),i._occlusionMap._state.matrix&&f.push("uniform mat4 occlusionMapMatrix;"));u&&i._alphaMap&&(f.push("uniform sampler2D alphaMap;"),i._alphaMap._state.matrix&&f.push("uniform mat4 alphaMapMatrix;"));l&&u&&i._specularMap&&(f.push("uniform sampler2D specularMap;"),i._specularMap._state.matrix&&f.push("uniform mat4 specularMapMatrix;"));l&&u&&i._glossinessMap&&(f.push("uniform sampler2D glossinessMap;"),i._glossinessMap._state.matrix&&f.push("uniform mat4 glossinessMapMatrix;"));l&&u&&i._specularGlossinessMap&&(f.push("uniform sampler2D materialSpecularGlossinessMap;"),i._specularGlossinessMap._state.matrix&&f.push("uniform mat4 materialSpecularGlossinessMapMatrix;"));l&&(i._diffuseFresnel||i._specularFresnel||i._alphaFresnel||i._emissiveFresnel||i._reflectivityFresnel)&&(f.push("float fresnel(vec3 eyeDir, vec3 normal, float edgeBias, float centerBias, float power) {"),f.push("    float fr = abs(dot(eyeDir, normal));"),f.push("    float finalFr = clamp((fr - edgeBias) / (centerBias - edgeBias), 0.0, 1.0);"),f.push("    return pow(finalFr, power);"),f.push("}"),i._diffuseFresnel&&(f.push("uniform float  diffuseFresnelCenterBias;"),f.push("uniform float  diffuseFresnelEdgeBias;"),f.push("uniform float  diffuseFresnelPower;"),f.push("uniform vec3   diffuseFresnelCenterColor;"),f.push("uniform vec3   diffuseFresnelEdgeColor;")),i._specularFresnel&&(f.push("uniform float  specularFresnelCenterBias;"),f.push("uniform float  specularFresnelEdgeBias;"),f.push("uniform float  specularFresnelPower;"),f.push("uniform vec3   specularFresnelCenterColor;"),f.push("uniform vec3   specularFresnelEdgeColor;")),i._alphaFresnel&&(f.push("uniform float  alphaFresnelCenterBias;"),f.push("uniform float  alphaFresnelEdgeBias;"),f.push("uniform float  alphaFresnelPower;"),f.push("uniform vec3   alphaFresnelCenterColor;"),f.push("uniform vec3   alphaFresnelEdgeColor;")),i._reflectivityFresnel&&(f.push("uniform float  materialSpecularF0FresnelCenterBias;"),f.push("uniform float  materialSpecularF0FresnelEdgeBias;"),f.push("uniform float  materialSpecularF0FresnelPower;"),f.push("uniform vec3   materialSpecularF0FresnelCenterColor;"),f.push("uniform vec3   materialSpecularF0FresnelEdgeColor;")),i._emissiveFresnel&&(f.push("uniform float  emissiveFresnelCenterBias;"),f.push("uniform float  emissiveFresnelEdgeBias;"),f.push("uniform float  emissiveFresnelPower;"),f.push("uniform vec3   emissiveFresnelCenterColor;"),f.push("uniform vec3   emissiveFresnelEdgeColor;")));if(f.push("uniform vec4   lightAmbient;"),l)for(var g=0,m=n.lights.length;g<m;g++){var _=n.lights[g];"ambient"!==_.type&&(f.push("uniform vec4 lightColor"+g+";"),"point"===_.type&&f.push("uniform vec3 lightAttenuation"+g+";"),"dir"===_.type&&"view"===_.space&&f.push("uniform vec3 lightDir"+g+";"),"point"===_.type&&"view"===_.space?f.push("uniform vec3 lightPos"+g+";"):f.push("in vec4 vViewLightReverseDirAndDist"+g+";"))}if(d)for(var y=0,b=n.lights.length;y<b;y++)n.lights[y].castsShadow&&(f.push("in vec4 vShadowPosFromLight"+y+";"),f.push("uniform sampler2D shadowMap"+y+";"));if(f.push("uniform vec4 colorize;"),f.push("out vec4 outColor;"),f.push("void main(void) {"),a){f.push("if (clippable) {"),f.push("  float dist = 0.0;");for(v=0;v<s.getNumAllocatedSectionPlanes();v++)f.push("if (sectionPlaneActive"+v+") {"),f.push("   dist += clamp(dot(-sectionPlaneDir"+v+".xyz, vWorldPosition.xyz - sectionPlanePos"+v+".xyz), 0.0, 1000.0);"),f.push("}");f.push("  if (dist > 0.0) { discard; }"),f.push("}")}"points"===r.primitiveName&&(f.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),f.push("float r = dot(cxy, cxy);"),f.push("if (r > 1.0) {"),f.push("   discard;"),f.push("}"));f.push("float occlusion = 1.0;"),o.ambient?f.push("vec3 ambientColor = materialAmbient;"):f.push("vec3 ambientColor = vec3(1.0, 1.0, 1.0);");o.diffuse?f.push("vec3 diffuseColor = materialDiffuse;"):o.baseColor?f.push("vec3 diffuseColor = materialBaseColor;"):f.push("vec3 diffuseColor = vec3(1.0, 1.0, 1.0);");r.colors&&f.push("diffuseColor *= vColor.rgb;");o.emissive?f.push("vec3 emissiveColor = materialEmissive;"):f.push("vec3  emissiveColor = vec3(0.0, 0.0, 0.0);");o.specular?f.push("vec3 specular = materialSpecular;"):f.push("vec3 specular = vec3(1.0, 1.0, 1.0);");void 0!==o.alpha?f.push("float alpha = materialAlphaModeCutoff[0];"):f.push("float alpha = 1.0;");r.colors&&f.push("alpha *= vColor.a;");void 0!==o.glossiness?f.push("float glossiness = materialGlossiness;"):f.push("float glossiness = 1.0;");void 0!==o.metallic?f.push("float metallic = materialMetallic;"):f.push("float metallic = 1.0;");void 0!==o.roughness?f.push("float roughness = materialRoughness;"):f.push("float roughness = 1.0;");void 0!==o.specularF0?f.push("float specularF0 = materialSpecularF0;"):f.push("float specularF0 = 1.0;");u&&(l&&i._normalMap||i._ambientMap||i._baseColorMap||i._diffuseMap||i._occlusionMap||i._emissiveMap||i._metallicMap||i._roughnessMap||i._metallicRoughnessMap||i._specularMap||i._glossinessMap||i._specularGlossinessMap||i._alphaMap)&&(f.push("vec4 texturePos = vec4(vUV.s, vUV.t, 1.0, 1.0);"),f.push("vec2 textureCoord;"));u&&i._ambientMap&&(i._ambientMap._state.matrix?f.push("textureCoord = (ambientMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 ambientTexel = texture(ambientMap, textureCoord).rgb;"),f.push("ambientTexel = "+Xs[i._ambientMap._state.encoding]+"(ambientTexel);"),f.push("ambientColor *= ambientTexel.rgb;"));u&&i._diffuseMap&&(i._diffuseMap._state.matrix?f.push("textureCoord = (diffuseMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 diffuseTexel = texture(diffuseMap, textureCoord);"),f.push("diffuseTexel = "+Xs[i._diffuseMap._state.encoding]+"(diffuseTexel);"),f.push("diffuseColor *= diffuseTexel.rgb;"),f.push("alpha *= diffuseTexel.a;"));u&&i._baseColorMap&&(i._baseColorMap._state.matrix?f.push("textureCoord = (baseColorMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 baseColorTexel = texture(baseColorMap, textureCoord);"),f.push("baseColorTexel = "+Xs[i._baseColorMap._state.encoding]+"(baseColorTexel);"),f.push("diffuseColor *= baseColorTexel.rgb;"),f.push("alpha *= baseColorTexel.a;"));u&&i._emissiveMap&&(i._emissiveMap._state.matrix?f.push("textureCoord = (emissiveMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 emissiveTexel = texture(emissiveMap, textureCoord);"),f.push("emissiveTexel = "+Xs[i._emissiveMap._state.encoding]+"(emissiveTexel);"),f.push("emissiveColor = emissiveTexel.rgb;"));u&&i._alphaMap&&(i._alphaMap._state.matrix?f.push("textureCoord = (alphaMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("alpha *= texture(alphaMap, textureCoord).r;"));u&&i._occlusionMap&&(i._occlusionMap._state.matrix?f.push("textureCoord = (occlusionMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("occlusion *= texture(occlusionMap, textureCoord).r;"));if(l&&(n.lights.length>0||n.lightMaps.length>0||n.reflectionMaps.length>0)){u&&i._normalMap?(i._normalMap._state.matrix?f.push("textureCoord = (normalMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition, normalize(vViewNormal), textureCoord );")):f.push("vec3 viewNormal = normalize(vViewNormal);"),u&&i._specularMap&&(i._specularMap._state.matrix?f.push("textureCoord = (specularMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("specular *= texture(specularMap, textureCoord).rgb;")),u&&i._glossinessMap&&(i._glossinessMap._state.matrix?f.push("textureCoord = (glossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("glossiness *= texture(glossinessMap, textureCoord).r;")),u&&i._specularGlossinessMap&&(i._specularGlossinessMap._state.matrix?f.push("textureCoord = (materialSpecularGlossinessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec4 specGlossRGB = texture(materialSpecularGlossinessMap, textureCoord).rgba;"),f.push("specular *= specGlossRGB.rgb;"),f.push("glossiness *= specGlossRGB.a;")),u&&i._metallicMap&&(i._metallicMap._state.matrix?f.push("textureCoord = (metallicMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("metallic *= texture(metallicMap, textureCoord).r;")),u&&i._roughnessMap&&(i._roughnessMap._state.matrix?f.push("textureCoord = (roughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("roughness *= texture(roughnessMap, textureCoord).r;")),u&&i._metallicRoughnessMap&&(i._metallicRoughnessMap._state.matrix?f.push("textureCoord = (metallicRoughnessMapMatrix * texturePos).xy;"):f.push("textureCoord = texturePos.xy;"),f.push("vec3 metalRoughRGB = texture(metallicRoughnessMap, textureCoord).rgb;"),f.push("metallic *= metalRoughRGB.b;"),f.push("roughness *= metalRoughRGB.g;")),f.push("vec3 viewEyeDir = normalize(-vViewPosition);"),i._diffuseFresnel&&(f.push("float diffuseFresnel = fresnel(viewEyeDir, viewNormal, diffuseFresnelEdgeBias, diffuseFresnelCenterBias, diffuseFresnelPower);"),f.push("diffuseColor *= mix(diffuseFresnelEdgeColor, diffuseFresnelCenterColor, diffuseFresnel);")),i._specularFresnel&&(f.push("float specularFresnel = fresnel(viewEyeDir, viewNormal, specularFresnelEdgeBias, specularFresnelCenterBias, specularFresnelPower);"),f.push("specular *= mix(specularFresnelEdgeColor, specularFresnelCenterColor, specularFresnel);")),i._alphaFresnel&&(f.push("float alphaFresnel = fresnel(viewEyeDir, viewNormal, alphaFresnelEdgeBias, alphaFresnelCenterBias, alphaFresnelPower);"),f.push("alpha *= mix(alphaFresnelEdgeColor.r, alphaFresnelCenterColor.r, alphaFresnel);")),i._emissiveFresnel&&(f.push("float emissiveFresnel = fresnel(viewEyeDir, viewNormal, emissiveFresnelEdgeBias, emissiveFresnelCenterBias, emissiveFresnelPower);"),f.push("emissiveColor *= mix(emissiveFresnelEdgeColor, emissiveFresnelCenterColor, emissiveFresnel);")),f.push("if (materialAlphaModeCutoff[1] == 1.0 && alpha < materialAlphaModeCutoff[2]) {"),f.push("   discard;"),f.push("}"),f.push("IncidentLight  light;"),f.push("Material       material;"),f.push("Geometry       geometry;"),f.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),f.push("vec3           viewLightDir;"),c&&(f.push("material.diffuseColor      = diffuseColor;"),f.push("material.specularColor     = specular;"),f.push("material.shine             = materialShininess;")),h&&(f.push("float oneMinusSpecularStrength = 1.0 - max(max(specular.r, specular.g ),specular.b);"),f.push("material.diffuseColor      = diffuseColor * oneMinusSpecularStrength;"),f.push("material.specularRoughness = clamp( 1.0 - glossiness, 0.04, 1.0 );"),f.push("material.specularColor     = specular;")),A&&(f.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),f.push("material.diffuseColor      = diffuseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),f.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),f.push("material.specularColor     = mix(vec3(dielectricSpecular), diffuseColor, metallic);")),f.push("geometry.position      = vViewPosition;"),n.lightMaps.length>0&&f.push("geometry.worldNormal   = normalize(vWorldNormal);"),f.push("geometry.viewNormal    = viewNormal;"),f.push("geometry.viewEyeDir    = viewEyeDir;"),c&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePhongLightMapping(geometry, material, reflectedLight);"),(h||A)&&(n.lightMaps.length>0||n.reflectionMaps.length>0)&&f.push("computePBRLightMapping(geometry, material, reflectedLight);"),f.push("float shadow = 1.0;"),f.push("float shadowAcneRemover = 0.007;"),f.push("vec3 fragmentDepth;"),f.push("float texelSize = 1.0 / 1024.0;"),f.push("float amountInLight = 0.0;"),f.push("vec3 shadowCoord;"),f.push("vec4 rgbaDepth;"),f.push("float depth;");for(var B=0,w=n.lights.length;B<w;B++){var P=n.lights[B];"ambient"!==P.type&&("dir"===P.type&&"view"===P.space?f.push("viewLightDir = -normalize(lightDir"+B+");"):"point"===P.type&&"view"===P.space?f.push("viewLightDir = normalize(lightPos"+B+" - vViewPosition);"):f.push("viewLightDir = normalize(vViewLightReverseDirAndDist"+B+".xyz);"),d&&P.castsShadow?(f.push("shadow = 0.0;"),f.push("fragmentDepth = vShadowPosFromLight"+B+".xyz;"),f.push("fragmentDepth.z -= shadowAcneRemover;"),f.push("for (int x = -3; x <= 3; x++) {"),f.push("  for (int y = -3; y <= 3; y++) {"),f.push("      float texelDepth = unpackDepth(texture(shadowMap"+B+", fragmentDepth.xy + vec2(x, y) * texelSize));"),f.push("      if (fragmentDepth.z < texelDepth) {"),f.push("          shadow += 1.0;"),f.push("      }"),f.push("  }"),f.push("}"),f.push("shadow = shadow / 9.0;"),f.push("light.color =  lightColor"+B+".rgb * (lightColor"+B+".a * shadow);")):f.push("light.color =  lightColor"+B+".rgb * (lightColor"+B+".a );"),f.push("light.direction = viewLightDir;"),c&&f.push("computePhongLighting(light, geometry, material, reflectedLight);"),(h||A)&&f.push("computePBRLighting(light, geometry, material, reflectedLight);"))}c?f.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * diffuseColor) + ((occlusion * (( reflectedLight.diffuse + reflectedLight.specular)))) + emissiveColor;"):f.push("vec3 outgoingLight = (occlusion * (reflectedLight.diffuse)) + (occlusion * reflectedLight.specular) + emissiveColor;")}else f.push("ambientColor *= (lightAmbient.rgb * lightAmbient.a);"),f.push("vec3 outgoingLight = emissiveColor + ambientColor;");f.push("vec4 fragColor = vec4(outgoingLight, alpha) * colorize;"),p&&f.push("fragColor = linearToGamma(fragColor, gammaFactor);");f.push("outColor = fragColor;"),t.logarithmicDepthBufferEnabled&&f.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return f.push("}"),f}(e))},Xs={};function Js(e){if(!e.receivesShadow)return!1;var t=e.scene._lightsState.lights;if(!t||0===t.length)return!1;for(var i=0,r=t.length;i<r;i++)if(t[i].castsShadow)return!0;return!1}function Ys(e){var t=e._geometry._state.primitiveName;return!(!e._geometry._state.autoVertexNormals&&!e._geometry._state.normalsBuf||"triangles"!==t&&"triangle-strip"!==t&&"triangle-fan"!==t)}Xs[3e3]="linearToLinear",Xs[3001]="sRGBToLinear";var Zs=re.vec3(),qs=new G({}),$s=function(e,t){this.id=qs.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new Ws(t),this._allocate(t)},en={};$s.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,(t.gammaInput?"gi;":";")+(t.gammaOutput?"go":""),t._lightsState.getHash(),t._sectionPlanesState.getHash(),e._geometry._state.hash,e._material._state.hash,e._state.drawHash].join(";"),r=en[i];if(!r){if((r=new $s(i,e)).errors)return console.log(r.errors.join("\n")),null;en[i]=r,ae.memory.programs++}return r._useCount++,r},$s.prototype.put=function(){0==--this._useCount&&(qs.removeItem(this.id),this._program&&this._program.destroy(),delete en[this._hash],ae.memory.programs--)},$s.prototype.webglContextRestored=function(){this._program=null},$s.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=$t.MAX_TEXTURE_UNITS,r=t.scene,s=t._material,n=r.canvas.gl,o=this._program,a=t._state,l=t._material._state,u=t._geometry._state,c=r.camera,A=t.origin,h=a.background;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,h&&n.depthFunc(n.LEQUAL),this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(a.originHash,A):c.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,c.viewNormalMatrix),a.clippable){var d=r._sectionPlanesState.getNumAllocatedSectionPlanes(),p=r._sectionPlanesState.sectionPlanes.length;if(d>0)for(var f=r._sectionPlanesState.sectionPlanes,v=t.renderFlags,g=0;g<d;g++){var m=this._uSectionPlanes[g];if(m)if(g<p){var _=v.sectionPlanesActivePerLayer[g];if(n.uniform1i(m.active,_?1:0),_){var y=f[g];if(A){var b=Je(y.dist,y.dir,A,Zs);n.uniform3fv(m.pos,b)}else n.uniform3fv(m.pos,y.pos);n.uniform3fv(m.dir,y.dir)}}else n.uniform1i(m.active,0)}}if(l.id!==this._lastMaterialId){e.textureUnit=this._baseTextureUnit;var B=l.backfaces;e.backfaces!==B&&(B?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=B);var w=l.frontface;switch(e.frontface!==w&&(w?n.frontFace(n.CCW):n.frontFace(n.CW),e.frontface=w),e.lineWidth!==l.lineWidth&&(n.lineWidth(l.lineWidth),e.lineWidth=l.lineWidth),this._uPointSize&&n.uniform1f(this._uPointSize,l.pointSize),l.type){case"LambertMaterial":this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialColor&&n.uniform4f(this._uMaterialColor,l.color[0],l.color[1],l.color[2],l.alpha),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive);break;case"PhongMaterial":this._uMaterialShininess&&n.uniform1f(this._uMaterialShininess,l.shininess),this._uMaterialAmbient&&n.uniform3fv(this._uMaterialAmbient,l.ambient),this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0),s._ambientMap&&s._ambientMap._state.texture&&this._uMaterialAmbientMap&&(o.bindTexture(this._uMaterialAmbientMap,s._ambientMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMaterialAmbientMapMatrix&&n.uniformMatrix4fv(this._uMaterialAmbientMapMatrix,!1,s._ambientMap._state.matrix)),s._diffuseMap&&s._diffuseMap._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,s._diffuseMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,s._diffuseMap._state.matrix)),s._specularMap&&s._specularMap._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,s._specularMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,s._specularMap._state.matrix)),s._emissiveMap&&s._emissiveMap._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,s._emissiveMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,s._emissiveMap._state.matrix)),s._alphaMap&&s._alphaMap._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,s._alphaMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,s._alphaMap._state.matrix)),s._reflectivityMap&&s._reflectivityMap._state.texture&&this._uReflectivityMap&&(o.bindTexture(this._uReflectivityMap,s._reflectivityMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,this._uReflectivityMapMatrix&&n.uniformMatrix4fv(this._uReflectivityMapMatrix,!1,s._reflectivityMap._state.matrix)),s._normalMap&&s._normalMap._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,s._normalMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,s._normalMap._state.matrix)),s._occlusionMap&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,s._occlusionMap._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,s._occlusionMap._state.matrix)),s._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias&&n.uniform1f(this._uDiffuseFresnelEdgeBias,s._diffuseFresnel.edgeBias),this._uDiffuseFresnelCenterBias&&n.uniform1f(this._uDiffuseFresnelCenterBias,s._diffuseFresnel.centerBias),this._uDiffuseFresnelEdgeColor&&n.uniform3fv(this._uDiffuseFresnelEdgeColor,s._diffuseFresnel.edgeColor),this._uDiffuseFresnelCenterColor&&n.uniform3fv(this._uDiffuseFresnelCenterColor,s._diffuseFresnel.centerColor),this._uDiffuseFresnelPower&&n.uniform1f(this._uDiffuseFresnelPower,s._diffuseFresnel.power)),s._specularFresnel&&(this._uSpecularFresnelEdgeBias&&n.uniform1f(this._uSpecularFresnelEdgeBias,s._specularFresnel.edgeBias),this._uSpecularFresnelCenterBias&&n.uniform1f(this._uSpecularFresnelCenterBias,s._specularFresnel.centerBias),this._uSpecularFresnelEdgeColor&&n.uniform3fv(this._uSpecularFresnelEdgeColor,s._specularFresnel.edgeColor),this._uSpecularFresnelCenterColor&&n.uniform3fv(this._uSpecularFresnelCenterColor,s._specularFresnel.centerColor),this._uSpecularFresnelPower&&n.uniform1f(this._uSpecularFresnelPower,s._specularFresnel.power)),s._alphaFresnel&&(this._uAlphaFresnelEdgeBias&&n.uniform1f(this._uAlphaFresnelEdgeBias,s._alphaFresnel.edgeBias),this._uAlphaFresnelCenterBias&&n.uniform1f(this._uAlphaFresnelCenterBias,s._alphaFresnel.centerBias),this._uAlphaFresnelEdgeColor&&n.uniform3fv(this._uAlphaFresnelEdgeColor,s._alphaFresnel.edgeColor),this._uAlphaFresnelCenterColor&&n.uniform3fv(this._uAlphaFresnelCenterColor,s._alphaFresnel.centerColor),this._uAlphaFresnelPower&&n.uniform1f(this._uAlphaFresnelPower,s._alphaFresnel.power)),s._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias&&n.uniform1f(this._uReflectivityFresnelEdgeBias,s._reflectivityFresnel.edgeBias),this._uReflectivityFresnelCenterBias&&n.uniform1f(this._uReflectivityFresnelCenterBias,s._reflectivityFresnel.centerBias),this._uReflectivityFresnelEdgeColor&&n.uniform3fv(this._uReflectivityFresnelEdgeColor,s._reflectivityFresnel.edgeColor),this._uReflectivityFresnelCenterColor&&n.uniform3fv(this._uReflectivityFresnelCenterColor,s._reflectivityFresnel.centerColor),this._uReflectivityFresnelPower&&n.uniform1f(this._uReflectivityFresnelPower,s._reflectivityFresnel.power)),s._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias&&n.uniform1f(this._uEmissiveFresnelEdgeBias,s._emissiveFresnel.edgeBias),this._uEmissiveFresnelCenterBias&&n.uniform1f(this._uEmissiveFresnelCenterBias,s._emissiveFresnel.centerBias),this._uEmissiveFresnelEdgeColor&&n.uniform3fv(this._uEmissiveFresnelEdgeColor,s._emissiveFresnel.edgeColor),this._uEmissiveFresnelCenterColor&&n.uniform3fv(this._uEmissiveFresnelCenterColor,s._emissiveFresnel.centerColor),this._uEmissiveFresnelPower&&n.uniform1f(this._uEmissiveFresnelPower,s._emissiveFresnel.power));break;case"MetallicMaterial":this._uBaseColor&&n.uniform3fv(this._uBaseColor,l.baseColor),this._uMaterialMetallic&&n.uniform1f(this._uMaterialMetallic,l.metallic),this._uMaterialRoughness&&n.uniform1f(this._uMaterialRoughness,l.roughness),this._uMaterialSpecularF0&&n.uniform1f(this._uMaterialSpecularF0,l.specularF0),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var P=s._baseColorMap;P&&P._state.texture&&this._uBaseColorMap&&(o.bindTexture(this._uBaseColorMap,P._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uBaseColorMapMatrix&&n.uniformMatrix4fv(this._uBaseColorMapMatrix,!1,P._state.matrix));var x=s._metallicMap;x&&x._state.texture&&this._uMetallicMap&&(o.bindTexture(this._uMetallicMap,x._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicMapMatrix&&n.uniformMatrix4fv(this._uMetallicMapMatrix,!1,x._state.matrix));var C=s._roughnessMap;C&&C._state.texture&&this._uRoughnessMap&&(o.bindTexture(this._uRoughnessMap,C._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uRoughnessMapMatrix&&n.uniformMatrix4fv(this._uRoughnessMapMatrix,!1,C._state.matrix));var M=s._metallicRoughnessMap;M&&M._state.texture&&this._uMetallicRoughnessMap&&(o.bindTexture(this._uMetallicRoughnessMap,M._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uMetallicRoughnessMapMatrix&&n.uniformMatrix4fv(this._uMetallicRoughnessMapMatrix,!1,M._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&s._occlusionMap._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix));break;case"SpecularMaterial":this._uMaterialDiffuse&&n.uniform3fv(this._uMaterialDiffuse,l.diffuse),this._uMaterialSpecular&&n.uniform3fv(this._uMaterialSpecular,l.specular),this._uMaterialGlossiness&&n.uniform1f(this._uMaterialGlossiness,l.glossiness),this._uMaterialReflectivity&&n.uniform1f(this._uMaterialReflectivity,l.reflectivity),this._uMaterialEmissive&&n.uniform3fv(this._uMaterialEmissive,l.emissive),this._uAlphaModeCutoff&&n.uniform4f(this._uAlphaModeCutoff,1*l.alpha,1===l.alphaMode?1:0,l.alphaCutoff,0);var E=s._diffuseMap;E&&E._state.texture&&this._uDiffuseMap&&(o.bindTexture(this._uDiffuseMap,E._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uDiffuseMapMatrix&&n.uniformMatrix4fv(this._uDiffuseMapMatrix,!1,E._state.matrix));var F=s._specularMap;F&&F._state.texture&&this._uSpecularMap&&(o.bindTexture(this._uSpecularMap,F._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularMapMatrix&&n.uniformMatrix4fv(this._uSpecularMapMatrix,!1,F._state.matrix));var k=s._glossinessMap;k&&k._state.texture&&this._uGlossinessMap&&(o.bindTexture(this._uGlossinessMap,k._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uGlossinessMapMatrix&&n.uniformMatrix4fv(this._uGlossinessMapMatrix,!1,k._state.matrix));var I,D,S,T,R=s._specularGlossinessMap;R&&R._state.texture&&this._uSpecularGlossinessMap&&(o.bindTexture(this._uSpecularGlossinessMap,R._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uSpecularGlossinessMapMatrix&&n.uniformMatrix4fv(this._uSpecularGlossinessMapMatrix,!1,R._state.matrix)),(I=s._emissiveMap)&&I._state.texture&&this._uEmissiveMap&&(o.bindTexture(this._uEmissiveMap,I._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uEmissiveMapMatrix&&n.uniformMatrix4fv(this._uEmissiveMapMatrix,!1,I._state.matrix)),(D=s._occlusionMap)&&D._state.texture&&this._uOcclusionMap&&(o.bindTexture(this._uOcclusionMap,D._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uOcclusionMapMatrix&&n.uniformMatrix4fv(this._uOcclusionMapMatrix,!1,D._state.matrix)),(S=s._alphaMap)&&S._state.texture&&this._uAlphaMap&&(o.bindTexture(this._uAlphaMap,S._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uAlphaMapMatrix&&n.uniformMatrix4fv(this._uAlphaMapMatrix,!1,S._state.matrix)),(T=s._normalMap)&&T._state.texture&&this._uNormalMap&&(o.bindTexture(this._uNormalMap,T._state.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++,this._uNormalMapMatrix&&n.uniformMatrix4fv(this._uNormalMapMatrix,!1,T._state.matrix))}this._lastMaterialId=l.id}if(n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),this._uColorize){var L=a.colorize,U=this._lastColorize;U[0]===L[0]&&U[1]===L[1]&&U[2]===L[2]&&U[3]===L[3]||(n.uniform4fv(this._uColorize,L),U[0]=L[0],U[1]=L[1],U[2]=L[2],U[3]=L[3])}n.uniform3fv(this._uOffset,a.offset),u.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,u.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,u.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(u.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(u.normalsBuf),e.bindArray++),this._aUV&&(this._aUV.bindArrayBuffer(u.uvBuf),e.bindArray++),this._aColor&&(this._aColor.bindArrayBuffer(u.colorsBuf),e.bindArray++),this._aFlags&&(this._aFlags.bindArrayBuffer(u.flagsBuf),e.bindArray++),u.indicesBuf&&(u.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=u.id),u.indicesBuf?(n.drawElements(u.primitive,u.indicesBuf.numItems,u.indicesBuf.itemType,0),e.drawElements++):u.positions&&(n.drawArrays(n.TRIANGLES,0,u.positions.numItems),e.drawArrays++),h&&n.depthFunc(n.LESS)},$s.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=e._material,s=t._lightsState,n=t._sectionPlanesState,o=e._material._state;if(this._program=new ui(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var a=this._program;this._uPositionsDecodeMatrix=a.getLocation("positionsDecodeMatrix"),this._uUVDecodeMatrix=a.getLocation("uvDecodeMatrix"),this._uModelMatrix=a.getLocation("modelMatrix"),this._uModelNormalMatrix=a.getLocation("modelNormalMatrix"),this._uViewMatrix=a.getLocation("viewMatrix"),this._uViewNormalMatrix=a.getLocation("viewNormalMatrix"),this._uProjMatrix=a.getLocation("projMatrix"),this._uGammaFactor=a.getLocation("gammaFactor"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[],this._uShadowViewMatrix=[],this._uShadowProjMatrix=[],t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=a.getLocation("logDepthBufFC"));for(var l,u=s.lights,c=0,A=u.length;c<A;c++){switch((l=u[c]).type){case"ambient":this._uLightAmbient[c]=a.getLocation("lightAmbient");break;case"dir":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=null,this._uLightDir[c]=a.getLocation("lightDir"+c);break;case"point":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=a.getLocation("lightPos"+c),this._uLightDir[c]=null,this._uLightAttenuation[c]=a.getLocation("lightAttenuation"+c);break;case"spot":this._uLightColor[c]=a.getLocation("lightColor"+c),this._uLightPos[c]=a.getLocation("lightPos"+c),this._uLightDir[c]=a.getLocation("lightDir"+c),this._uLightAttenuation[c]=a.getLocation("lightAttenuation"+c)}l.castsShadow&&(this._uShadowViewMatrix[c]=a.getLocation("shadowViewMatrix"+c),this._uShadowProjMatrix[c]=a.getLocation("shadowProjMatrix"+c))}s.lightMaps.length>0&&(this._uLightMap="lightMap"),s.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),this._uSectionPlanes=[];for(c=0,A=n.sectionPlanes.length;c<A;c++)this._uSectionPlanes.push({active:a.getLocation("sectionPlaneActive"+c),pos:a.getLocation("sectionPlanePos"+c),dir:a.getLocation("sectionPlaneDir"+c)});switch(this._uPointSize=a.getLocation("pointSize"),o.type){case"LambertMaterial":this._uMaterialColor=a.getLocation("materialColor"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff");break;case"PhongMaterial":this._uMaterialAmbient=a.getLocation("materialAmbient"),this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),this._uMaterialShininess=a.getLocation("materialShininess"),r._ambientMap&&(this._uMaterialAmbientMap="ambientMap",this._uMaterialAmbientMapMatrix=a.getLocation("ambientMapMatrix")),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._reflectivityMap&&(this._uReflectivityMap="reflectivityMap",this._uReflectivityMapMatrix=a.getLocation("reflectivityMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._diffuseFresnel&&(this._uDiffuseFresnelEdgeBias=a.getLocation("diffuseFresnelEdgeBias"),this._uDiffuseFresnelCenterBias=a.getLocation("diffuseFresnelCenterBias"),this._uDiffuseFresnelEdgeColor=a.getLocation("diffuseFresnelEdgeColor"),this._uDiffuseFresnelCenterColor=a.getLocation("diffuseFresnelCenterColor"),this._uDiffuseFresnelPower=a.getLocation("diffuseFresnelPower")),r._specularFresnel&&(this._uSpecularFresnelEdgeBias=a.getLocation("specularFresnelEdgeBias"),this._uSpecularFresnelCenterBias=a.getLocation("specularFresnelCenterBias"),this._uSpecularFresnelEdgeColor=a.getLocation("specularFresnelEdgeColor"),this._uSpecularFresnelCenterColor=a.getLocation("specularFresnelCenterColor"),this._uSpecularFresnelPower=a.getLocation("specularFresnelPower")),r._alphaFresnel&&(this._uAlphaFresnelEdgeBias=a.getLocation("alphaFresnelEdgeBias"),this._uAlphaFresnelCenterBias=a.getLocation("alphaFresnelCenterBias"),this._uAlphaFresnelEdgeColor=a.getLocation("alphaFresnelEdgeColor"),this._uAlphaFresnelCenterColor=a.getLocation("alphaFresnelCenterColor"),this._uAlphaFresnelPower=a.getLocation("alphaFresnelPower")),r._reflectivityFresnel&&(this._uReflectivityFresnelEdgeBias=a.getLocation("reflectivityFresnelEdgeBias"),this._uReflectivityFresnelCenterBias=a.getLocation("reflectivityFresnelCenterBias"),this._uReflectivityFresnelEdgeColor=a.getLocation("reflectivityFresnelEdgeColor"),this._uReflectivityFresnelCenterColor=a.getLocation("reflectivityFresnelCenterColor"),this._uReflectivityFresnelPower=a.getLocation("reflectivityFresnelPower")),r._emissiveFresnel&&(this._uEmissiveFresnelEdgeBias=a.getLocation("emissiveFresnelEdgeBias"),this._uEmissiveFresnelCenterBias=a.getLocation("emissiveFresnelCenterBias"),this._uEmissiveFresnelEdgeColor=a.getLocation("emissiveFresnelEdgeColor"),this._uEmissiveFresnelCenterColor=a.getLocation("emissiveFresnelCenterColor"),this._uEmissiveFresnelPower=a.getLocation("emissiveFresnelPower"));break;case"MetallicMaterial":this._uBaseColor=a.getLocation("materialBaseColor"),this._uMaterialMetallic=a.getLocation("materialMetallic"),this._uMaterialRoughness=a.getLocation("materialRoughness"),this._uMaterialSpecularF0=a.getLocation("materialSpecularF0"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._baseColorMap&&(this._uBaseColorMap="baseColorMap",this._uBaseColorMapMatrix=a.getLocation("baseColorMapMatrix")),r._metallicMap&&(this._uMetallicMap="metallicMap",this._uMetallicMapMatrix=a.getLocation("metallicMapMatrix")),r._roughnessMap&&(this._uRoughnessMap="roughnessMap",this._uRoughnessMapMatrix=a.getLocation("roughnessMapMatrix")),r._metallicRoughnessMap&&(this._uMetallicRoughnessMap="metallicRoughnessMap",this._uMetallicRoughnessMapMatrix=a.getLocation("metallicRoughnessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"));break;case"SpecularMaterial":this._uMaterialDiffuse=a.getLocation("materialDiffuse"),this._uMaterialSpecular=a.getLocation("materialSpecular"),this._uMaterialGlossiness=a.getLocation("materialGlossiness"),this._uMaterialReflectivity=a.getLocation("reflectivityFresnel"),this._uMaterialEmissive=a.getLocation("materialEmissive"),this._uAlphaModeCutoff=a.getLocation("materialAlphaModeCutoff"),r._diffuseMap&&(this._uDiffuseMap="diffuseMap",this._uDiffuseMapMatrix=a.getLocation("diffuseMapMatrix")),r._specularMap&&(this._uSpecularMap="specularMap",this._uSpecularMapMatrix=a.getLocation("specularMapMatrix")),r._glossinessMap&&(this._uGlossinessMap="glossinessMap",this._uGlossinessMapMatrix=a.getLocation("glossinessMapMatrix")),r._specularGlossinessMap&&(this._uSpecularGlossinessMap="materialSpecularGlossinessMap",this._uSpecularGlossinessMapMatrix=a.getLocation("materialSpecularGlossinessMapMatrix")),r._emissiveMap&&(this._uEmissiveMap="emissiveMap",this._uEmissiveMapMatrix=a.getLocation("emissiveMapMatrix")),r._occlusionMap&&(this._uOcclusionMap="occlusionMap",this._uOcclusionMapMatrix=a.getLocation("occlusionMapMatrix")),r._alphaMap&&(this._uAlphaMap="alphaMap",this._uAlphaMapMatrix=a.getLocation("alphaMapMatrix")),r._normalMap&&(this._uNormalMap="normalMap",this._uNormalMapMatrix=a.getLocation("normalMapMatrix"))}this._aPosition=a.getAttribute("position"),this._aNormal=a.getAttribute("normal"),this._aUV=a.getAttribute("uv"),this._aColor=a.getAttribute("color"),this._aFlags=a.getAttribute("flags"),this._uClippable=a.getLocation("clippable"),this._uColorize=a.getLocation("colorize"),this._uOffset=a.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize=new Float32Array(4),this._baseTextureUnit=0}},$s.prototype._bindProgram=function(e){var t,i=$t.MAX_TEXTURE_UNITS,r=this._scene,s=r.canvas.gl,n=r._lightsState,o=r.camera.project,a=this._program;if(a.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastColorize[0]=-1,this._lastColorize[1]=-1,this._lastColorize[2]=-1,this._lastColorize[3]=-1,s.uniformMatrix4fv(this._uProjMatrix,!1,o.matrix),r.logarithmicDepthBufferEnabled){var l=2/(Math.log(o.far+1)/Math.LN2);s.uniform1f(this._uLogDepthBufFC,l)}for(var u=0,c=n.lights.length;u<c;u++)if(t=n.lights[u],this._uLightAmbient[u])s.uniform4f(this._uLightAmbient[u],t.color[0],t.color[1],t.color[2],t.intensity);else if(this._uLightColor[u]&&s.uniform4f(this._uLightColor[u],t.color[0],t.color[1],t.color[2],t.intensity),this._uLightPos[u]&&(s.uniform3fv(this._uLightPos[u],t.pos),this._uLightAttenuation[u]&&s.uniform1f(this._uLightAttenuation[u],t.attenuation)),this._uLightDir[u]&&s.uniform3fv(this._uLightDir[u],t.dir),t.castsShadow){this._uShadowViewMatrix[u]&&s.uniformMatrix4fv(this._uShadowViewMatrix[u],!1,t.getShadowViewMatrix()),this._uShadowProjMatrix[u]&&s.uniformMatrix4fv(this._uShadowProjMatrix[u],!1,t.getShadowProjMatrix());var A=t.getShadowRenderBuf();A&&(a.bindTexture("shadowMap"+u,A.getTexture(),e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++)}n.lightMaps.length>0&&n.lightMaps[0].texture&&this._uLightMap&&(a.bindTexture(this._uLightMap,n.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),n.reflectionMaps.length>0&&n.reflectionMaps[0].texture&&this._uReflectionMap&&(a.bindTexture(this._uReflectionMap,n.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%i,e.bindTexture++),this._uGammaFactor&&s.uniform1f(this._uGammaFactor,r.gammaFactor),this._baseTextureUnit=e.textureUnit};var tn=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._lightsState,r=function(e){var t=e._geometry._state.primitiveName;if((e._geometry._state.autoVertexNormals||e._geometry._state.normalsBuf)&&("triangles"===t||"triangle-strip"===t||"triangle-fan"===t))return!0;return!1}(e),s=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,n=!!e._geometry._state.compressGeometry,o=e._state.billboard,a=e._state.stationary,l=[];l.push("#version 300 es"),l.push("// EmphasisFillShaderSource vertex shader"),l.push("in vec3 position;"),l.push("uniform mat4 modelMatrix;"),l.push("uniform mat4 viewMatrix;"),l.push("uniform mat4 projMatrix;"),l.push("uniform vec4 colorize;"),l.push("uniform vec3 offset;"),n&&l.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(l.push("uniform float logDepthBufFC;"),l.push("out float vFragDepth;"),l.push("bool isPerspectiveMatrix(mat4 m) {"),l.push("    return (m[2][3] == - 1.0);"),l.push("}"),l.push("out float isPerspective;"));s&&l.push("out vec4 vWorldPosition;");if(l.push("uniform vec4   lightAmbient;"),l.push("uniform vec4   fillColor;"),r){l.push("in vec3 normal;"),l.push("uniform mat4 modelNormalMatrix;"),l.push("uniform mat4 viewNormalMatrix;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(l.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&l.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&l.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&l.push("uniform vec3 lightPos"+u+";"))}n&&(l.push("vec3 octDecode(vec2 oct) {"),l.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),l.push("    if (v.z < 0.0) {"),l.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),l.push("    }"),l.push("    return normalize(v);"),l.push("}"))}l.push("out vec4 vColor;"),("spherical"===o||"cylindrical"===o)&&(l.push("void billboard(inout mat4 mat) {"),l.push("   mat[0][0] = 1.0;"),l.push("   mat[0][1] = 0.0;"),l.push("   mat[0][2] = 0.0;"),"spherical"===o&&(l.push("   mat[1][0] = 0.0;"),l.push("   mat[1][1] = 1.0;"),l.push("   mat[1][2] = 0.0;")),l.push("   mat[2][0] = 0.0;"),l.push("   mat[2][1] = 0.0;"),l.push("   mat[2][2] =1.0;"),l.push("}"));l.push("void main(void) {"),l.push("vec4 localPosition = vec4(position, 1.0); "),l.push("vec4 worldPosition;"),n&&l.push("localPosition = positionsDecodeMatrix * localPosition;");r&&(n?l.push("vec4 localNormal = vec4(octDecode(normal.xy), 0.0); "):l.push("vec4 localNormal = vec4(normal, 0.0); "),l.push("mat4 modelNormalMatrix2 = modelNormalMatrix;"),l.push("mat4 viewNormalMatrix2 = viewNormalMatrix;"));l.push("mat4 viewMatrix2 = viewMatrix;"),l.push("mat4 modelMatrix2 = modelMatrix;"),a&&l.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===o||"cylindrical"===o?(l.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),l.push("billboard(modelMatrix2);"),l.push("billboard(viewMatrix2);"),l.push("billboard(modelViewMatrix);"),r&&(l.push("mat4 modelViewNormalMatrix =  viewNormalMatrix2 * modelNormalMatrix2;"),l.push("billboard(modelNormalMatrix2);"),l.push("billboard(viewNormalMatrix2);"),l.push("billboard(modelViewNormalMatrix);")),l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(l.push("worldPosition = modelMatrix2 * localPosition;"),l.push("worldPosition.xyz = worldPosition.xyz + offset;"),l.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));r&&l.push("vec3 viewNormal = normalize((viewNormalMatrix2 * modelNormalMatrix2 * localNormal).xyz);");if(l.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),l.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),l.push("float lambertian = 1.0;"),r)for(var h=0,d=i.lights.length;h<d;h++){var p=i.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?l.push("viewLightDir = normalize(lightDir"+h+");"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightDir"+h+", 0.0)).xyz);");else{if("point"!==p.type)continue;"view"===p.space?l.push("viewLightDir = normalize(lightPos"+h+" - viewPosition.xyz);"):l.push("viewLightDir = normalize((viewMatrix2 * vec4(lightPos"+h+", 0.0)).xyz);")}l.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),l.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}l.push("vColor = vec4(reflectedColor * fillColor.rgb, fillColor.a);"),s&&l.push("vWorldPosition = worldPosition;");"points"===e._geometry._state.primitiveName&&l.push("gl_PointSize = pointSize;");l.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(l.push("vFragDepth = 1.0 + clipPos.w;"),l.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return l.push("gl_Position = clipPos;"),l.push("}"),l}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Lambertian drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}"points"===e._geometry._state.primitiveName&&(n.push("vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("float r = dot(cxy, cxy);"),n.push("if (r > 1.0) {"),n.push("   discard;"),n.push("}"));t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var rn=new G({}),sn=re.vec3(),nn=function(e,t){this.id=rn.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new tn(t),this._allocate(t)},on={};nn.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.normalsBuf?"n":"",e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=on[t];return i||(i=new nn(t,e),on[t]=i,ae.memory.programs++),i._useCount++,i},nn.prototype.put=function(){0==--this._useCount&&(rn.removeItem(this.id),this._program&&this._program.destroy(),delete on[this._hash],ae.memory.programs--)},nn.prototype.webglContextRestored=function(){this._program=null},nn.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r=this._scene,s=r.camera,n=r.canvas.gl,o=0===i?t._xrayMaterial._state:1===i?t._highlightMaterial._state:t._selectedMaterial._state,a=t._state,l=t._geometry._state,u=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),n.uniformMatrix4fv(this._uViewMatrix,!1,u?e.getRTCViewMatrix(a.originHash,u):s.viewMatrix),n.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.viewNormalMatrix),a.clippable){var c=r._sectionPlanesState.getNumAllocatedSectionPlanes(),A=r._sectionPlanesState.sectionPlanes.length;if(c>0)for(var h=r._sectionPlanesState.sectionPlanes,d=t.renderFlags,p=0;p<c;p++){var f=this._uSectionPlanes[p];if(f)if(p<A){var v=d.sectionPlanesActivePerLayer[p];if(n.uniform1i(f.active,v?1:0),v){var g=h[p];if(u){var m=Je(g.dist,g.dir,u,sn);n.uniform3fv(f.pos,m)}else n.uniform3fv(f.pos,g.pos);n.uniform3fv(f.dir,g.dir)}}else n.uniform1i(f.active,0)}}if(o.id!==this._lastMaterialId){var _=o.fillColor,y=o.backfaces;e.backfaces!==y&&(y?n.disable(n.CULL_FACE):n.enable(n.CULL_FACE),e.backfaces=y),n.uniform4f(this._uFillColor,_[0],_[1],_[2],o.fillAlpha),this._lastMaterialId=o.id}n.uniformMatrix4fv(this._uModelMatrix,n.FALSE,t.worldMatrix),this._uModelNormalMatrix&&n.uniformMatrix4fv(this._uModelNormalMatrix,n.FALSE,t.worldNormalMatrix),this._uClippable&&n.uniform1i(this._uClippable,a.clippable),n.uniform3fv(this._uOffset,a.offset),l.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&n.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,l.positionsDecodeMatrix),this._uUVDecodeMatrix&&n.uniformMatrix3fv(this._uUVDecodeMatrix,!1,l.uvDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(l.positionsBuf),e.bindArray++),this._aNormal&&(this._aNormal.bindArrayBuffer(l.normalsBuf),e.bindArray++),l.indicesBuf?(l.indicesBuf.bind(),e.bindArray++):l.positionsBuf,this._lastGeometryId=l.id),l.indicesBuf?(n.drawElements(l.primitive,l.indicesBuf.numItems,l.indicesBuf.itemType,0),e.drawElements++):l.positionsBuf&&(n.drawArrays(n.TRIANGLES,0,l.positionsBuf.numItems),e.drawArrays++)},nn.prototype._allocate=function(e){var t=e.scene,i=t._lightsState,r=t._sectionPlanesState,s=t.canvas.gl;if(this._program=new ui(s,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var n=this._program;this._uPositionsDecodeMatrix=n.getLocation("positionsDecodeMatrix"),this._uModelMatrix=n.getLocation("modelMatrix"),this._uModelNormalMatrix=n.getLocation("modelNormalMatrix"),this._uViewMatrix=n.getLocation("viewMatrix"),this._uViewNormalMatrix=n.getLocation("viewNormalMatrix"),this._uProjMatrix=n.getLocation("projMatrix"),this._uLightAmbient=[],this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var o=0,a=i.lights.length;o<a;o++){switch(i.lights[o].type){case"ambient":this._uLightAmbient[o]=n.getLocation("lightAmbient");break;case"dir":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=null,this._uLightDir[o]=n.getLocation("lightDir"+o);break;case"point":this._uLightColor[o]=n.getLocation("lightColor"+o),this._uLightPos[o]=n.getLocation("lightPos"+o),this._uLightDir[o]=null,this._uLightAttenuation[o]=n.getLocation("lightAttenuation"+o)}}this._uSectionPlanes=[];for(var l=0,u=r.getNumAllocatedSectionPlanes();l<u;l++)this._uSectionPlanes.push({active:n.getLocation("sectionPlaneActive"+l),pos:n.getLocation("sectionPlanePos"+l),dir:n.getLocation("sectionPlaneDir"+l)});this._uFillColor=n.getLocation("fillColor"),this._aPosition=n.getAttribute("position"),this._aNormal=n.getAttribute("normal"),this._uClippable=n.getLocation("clippable"),this._uGammaFactor=n.getLocation("gammaFactor"),this._uOffset=n.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=n.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},nn.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t._lightsState,s=t.camera,n=s.project;if(this._program.bind(),e.useProgram++,e.textureUnit=0,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,this._lastIndicesBufId=null,i.uniformMatrix4fv(this._uViewNormalMatrix,!1,s.normalMatrix),i.uniformMatrix4fv(this._uProjMatrix,!1,n.matrix),t.logarithmicDepthBufferEnabled){var o=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,o)}for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];this._uLightAmbient[a]?i.uniform4f(this._uLightAmbient[a],u.color[0],u.color[1],u.color[2],u.intensity):(this._uLightColor[a]&&i.uniform4f(this._uLightColor[a],u.color[0],u.color[1],u.color[2],u.intensity),this._uLightPos[a]&&(i.uniform3fv(this._uLightPos[a],u.pos),this._uLightAttenuation[a]&&i.uniform1f(this._uLightAttenuation[a],u.attenuation)),this._uLightDir[a]&&i.uniform3fv(this._uLightDir[a],u.dir))}this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor)};var an=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Edges drawing vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec4 edgeColor;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));i&&o.push("out vec4 vWorldPosition;");o.push("out vec4 vColor;"),("spherical"===s||"cylindrical"===s)&&(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));o.push("vColor = edgeColor;"),i&&o.push("vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=e.scene._sectionPlanesState,r=e.scene.gammaOutput,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Edges drawing fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),t.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;"));r&&(n.push("uniform float gammaFactor;"),n.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),n.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),n.push("}"));if(s){n.push("in vec4 vWorldPosition;"),n.push("uniform bool clippable;");for(var o=0,a=i.getNumAllocatedSectionPlanes();o<a;o++)n.push("uniform bool sectionPlaneActive"+o+";"),n.push("uniform vec3 sectionPlanePos"+o+";"),n.push("uniform vec3 sectionPlaneDir"+o+";")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){n.push("if (clippable) {"),n.push("  float dist = 0.0;");for(var l=0,u=i.getNumAllocatedSectionPlanes();l<u;l++)n.push("if (sectionPlaneActive"+l+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+l+".xyz, vWorldPosition.xyz - sectionPlanePos"+l+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}t.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");r?n.push("outColor = linearToGamma(vColor, gammaFactor);"):n.push("outColor = vColor;");return n.push("}"),n}(t)}));var ln=new G({}),un=re.vec3(),cn=function(e,t){this.id=ln.addItem({}),this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new an(t),this._allocate(t)},An={};cn.get=function(e){var t=[e.scene.id,e.scene.gammaOutput?"go":"",e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=An[t];return i||(i=new cn(t,e),An[t]=i,ae.memory.programs++),i._useCount++,i},cn.prototype.put=function(){0==--this._useCount&&(ln.removeItem(this.id),this._program&&this._program.destroy(),delete An[this._hash],ae.memory.programs--)},cn.prototype.webglContextRestored=function(){this._program=null},cn.prototype.drawMesh=function(e,t,i){this._program||this._allocate(t);var r,s,n=this._scene,o=n.camera,a=n.canvas.gl,l=t._state,u=t._geometry,c=u._state,A=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),a.uniformMatrix4fv(this._uViewMatrix,!1,A?e.getRTCViewMatrix(l.originHash,A):o.viewMatrix),l.clippable){var h=n._sectionPlanesState.getNumAllocatedSectionPlanes(),d=n._sectionPlanesState.sectionPlanes.length;if(h>0)for(var p=n._sectionPlanesState.sectionPlanes,f=t.renderFlags,v=0;v<h;v++){var g=this._uSectionPlanes[v];if(g)if(v<d){var m=f.sectionPlanesActivePerLayer[v];if(a.uniform1i(g.active,m?1:0),m){var _=p[v];if(A){var y=Je(_.dist,_.dir,A,un);a.uniform3fv(g.pos,y)}else a.uniform3fv(g.pos,_.pos);a.uniform3fv(g.dir,_.dir)}}else a.uniform1i(g.active,0)}}switch(i){case 0:r=t._xrayMaterial._state;break;case 1:r=t._highlightMaterial._state;break;case 2:r=t._selectedMaterial._state;break;default:r=t._edgeMaterial._state}if(r.id!==this._lastMaterialId){var b=r.backfaces;if(e.backfaces!==b&&(b?a.disable(a.CULL_FACE):a.enable(a.CULL_FACE),e.backfaces=b),e.lineWidth!==r.edgeWidth&&(a.lineWidth(r.edgeWidth),e.lineWidth=r.edgeWidth),this._uEdgeColor){var B=r.edgeColor,w=r.edgeAlpha;a.uniform4f(this._uEdgeColor,B[0],B[1],B[2],w)}this._lastMaterialId=r.id}a.uniformMatrix4fv(this._uModelMatrix,a.FALSE,t.worldMatrix),this._uClippable&&a.uniform1i(this._uClippable,l.clippable),a.uniform3fv(this._uOffset,l.offset),c.primitive===a.TRIANGLES?s=u._getEdgeIndices():c.primitive===a.LINES&&(s=c.indicesBuf),s&&(c.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&a.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,c.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(c.positionsBuf,c.compressGeometry?a.UNSIGNED_SHORT:a.FLOAT),e.bindArray++),s.bind(),e.bindArray++,this._lastGeometryId=c.id),a.drawElements(a.LINES,s.numItems,s.itemType,0),e.drawElements++)},cn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program=new ui(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var s=this._program;this._uPositionsDecodeMatrix=s.getLocation("positionsDecodeMatrix"),this._uModelMatrix=s.getLocation("modelMatrix"),this._uViewMatrix=s.getLocation("viewMatrix"),this._uProjMatrix=s.getLocation("projMatrix"),this._uSectionPlanes=[];for(var n=0,o=r.getNumAllocatedSectionPlanes();n<o;n++)this._uSectionPlanes.push({active:s.getLocation("sectionPlaneActive"+n),pos:s.getLocation("sectionPlanePos"+n),dir:s.getLocation("sectionPlaneDir"+n)});this._uEdgeColor=s.getLocation("edgeColor"),this._aPosition=s.getAttribute("position"),this._uClippable=s.getLocation("clippable"),this._uGammaFactor=s.getLocation("gammaFactor"),this._uOffset=s.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=s.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},cn.prototype._bindProgram=function(e){var t=this._program,i=this._scene,r=i.canvas.gl,s=i.camera.project;if(t.bind(),e.useProgram++,this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),i.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,n)}this._uGammaFactor&&r.uniform1f(this._uGammaFactor,i.gammaFactor)};var hn=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh picking vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("out vec4 vViewPosition;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("uniform vec2 pickClipPos;"),o.push("vec4 remapClipPos(vec4 clipPos) {"),o.push("    clipPos.xy /= clipPos.w;"),o.push("    clipPos.xy -= pickClipPos;"),o.push("    clipPos.xy *= clipPos.w;"),o.push("    return clipPos;"),o.push("}"),o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"!==s&&"cylindrical"!==s||(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"));o.push("   vec4 worldPosition = modelMatrix2 * localPosition;"),o.push("   worldPosition.xyz = worldPosition.xyz + offset;"),o.push("   vec4 viewPosition = viewMatrix2 * worldPosition;"),i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = remapClipPos(clipPos);"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(s.push("uniform vec4 pickColor;"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = pickColor; "),s.push("}"),s}(t)}));var dn=re.vec3(),pn=function(e,t){this._hash=e,this._shaderSource=new hn(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},fn={};pn.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),i=fn[t];if(!i){if((i=new pn(t,e)).errors)return console.log(i.errors.join("\n")),null;fn[t]=i,ae.memory.programs++}return i._useCount++,i},pn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete fn[this._hash],ae.memory.programs--)},pn.prototype.webglContextRestored=function(){this._program=null},pn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry._state,a=t.origin;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCPickViewMatrix(s.originHash,a):e.pickViewMatrix),s.clippable){var l=i._sectionPlanesState.getNumAllocatedSectionPlanes(),u=i._sectionPlanesState.sectionPlanes.length;if(l>0)for(var c=i._sectionPlanesState.sectionPlanes,A=t.renderFlags,h=0;h<l;h++){var d=this._uSectionPlanes[h];if(d)if(h<u){var p=A.sectionPlanesActivePerLayer[h];if(r.uniform1i(d.active,p?1:0),p){var f=c[h];if(a){var v=Je(f.dist,f.dir,a,dn);r.uniform3fv(d.pos,v)}else r.uniform3fv(d.pos,f.pos);r.uniform3fv(d.dir,f.dir)}}else r.uniform1i(d.active,0)}}if(n.id!==this._lastMaterialId){var g=n.backfaces;e.backfaces!==g&&(g?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=g);var m=n.frontface;e.frontface!==m&&(m?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=m),this._lastMaterialId=n.id}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id);var _=t._state.pickID,y=_>>24&255,b=_>>16&255,B=_>>8&255,w=255&_;r.uniform4f(this._uPickColor,w/255,B/255,b/255,y/255),r.uniform2fv(this._uPickClipPos,e.pickClipPos),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)},pn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new ui(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uPickColor=r.getLocation("pickColor"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastGeometryId=null}},pn.prototype._bindProgram=function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),e.useProgram++,t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastGeometryId=null};var vn=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=[];s.push("#version 300 es"),s.push("// Surface picking vertex shader"),s.push("in vec3 position;"),s.push("in vec4 color;"),s.push("uniform mat4 modelMatrix;"),s.push("uniform mat4 viewMatrix;"),s.push("uniform mat4 projMatrix;"),s.push("uniform vec3 offset;"),i&&(s.push("uniform bool clippable;"),s.push("out vec4 vWorldPosition;"));t.logarithmicDepthBufferEnabled&&(s.push("uniform float logDepthBufFC;"),s.push("out float vFragDepth;"),s.push("bool isPerspectiveMatrix(mat4 m) {"),s.push("    return (m[2][3] == - 1.0);"),s.push("}"),s.push("out float isPerspective;"));s.push("uniform vec2 pickClipPos;"),s.push("vec4 remapClipPos(vec4 clipPos) {"),s.push("    clipPos.xy /= clipPos.w;"),s.push("    clipPos.xy -= pickClipPos;"),s.push("    clipPos.xy *= clipPos.w;"),s.push("    return clipPos;"),s.push("}"),s.push("out vec4 vColor;"),r&&s.push("uniform mat4 positionsDecodeMatrix;");s.push("void main(void) {"),s.push("vec4 localPosition = vec4(position, 1.0); "),r&&s.push("localPosition = positionsDecodeMatrix * localPosition;");s.push("   vec4 worldPosition = modelMatrix * localPosition; "),s.push("   worldPosition.xyz = worldPosition.xyz + offset;"),s.push("   vec4 viewPosition = viewMatrix * worldPosition;"),i&&s.push("   vWorldPosition = worldPosition;");s.push("   vColor = color;"),s.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(s.push("vFragDepth = 1.0 + clipPos.w;"),s.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return s.push("gl_Position = remapClipPos(clipPos);"),s.push("}"),s}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Surface picking fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),s.push("in vec4 vColor;"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(var o=0;o<i.getNumAllocatedSectionPlanes();o++)s.push("if (sectionPlaneActive"+o+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("   outColor = vColor;"),s.push("}"),s}(t)}));var gn=re.vec3(),mn=function(e,t){this._hash=e,this._scene=t.scene,this._useCount=0,this._shaderSource=new vn(t),this._allocate(t)},_n={};mn.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.compressGeometry?"cp":"",e._state.hash].join(";"),i=_n[t];if(!i){if((i=new mn(t,e)).errors)return console.log(i.errors.join("\n")),null;_n[t]=i,ae.memory.programs++}return i._useCount++,i},mn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete _n[this._hash],ae.memory.programs--)},mn.prototype.webglContextRestored=function(){this._program=null},mn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._state,n=t._material._state,o=t._geometry,a=t._geometry._state,l=t.origin,u=n.backfaces,c=n.frontface,A=i.camera.project,h=o._getPickTrianglePositions(),d=o._getPickTriangleColors();if(this._program.bind(),e.useProgram++,i.logarithmicDepthBufferEnabled){var p=2/(Math.log(A.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,p)}if(r.uniformMatrix4fv(this._uViewMatrix,!1,l?e.getRTCPickViewMatrix(s.originHash,l):e.pickViewMatrix),s.clippable){var f=i._sectionPlanesState.getNumAllocatedSectionPlanes(),v=i._sectionPlanesState.sectionPlanes.length;if(f>0)for(var g=i._sectionPlanesState.sectionPlanes,m=t.renderFlags,_=0;_<f;_++){var y=this._uSectionPlanes[_];if(y)if(_<v){var b=m.sectionPlanesActivePerLayer[_];if(r.uniform1i(y.active,b?1:0),b){var B=g[_];if(l){var w=Je(B.dist,B.dir,l,gn);r.uniform3fv(y.pos,w)}else r.uniform3fv(y.pos,B.pos);r.uniform3fv(y.dir,B.dir)}}else r.uniform1i(y.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,e.pickProjMatrix),i.logarithmicDepthBufferEnabled&&r.uniform1f(this._uZFar,i.camera.project.far),e.backfaces!==u&&(u?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=u),e.frontface!==c&&(c?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=c),r.uniformMatrix4fv(this._uModelMatrix,!1,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),this._uPositionsDecodeMatrix?(r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,a.positionsDecodeMatrix),this._aPosition.bindArrayBuffer(h,a.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT)):this._aPosition.bindArrayBuffer(h),r.uniform2fv(this._uPickClipPos,e.pickClipPos),d.bind(),r.enableVertexAttribArray(this._aColor.location),r.vertexAttribPointer(this._aColor.location,d.itemSize,d.itemType,!0,0,0),r.drawArrays(a.primitive,0,h.numItems/3)},mn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new ui(i,this._shaderSource),this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._aColor=r.getAttribute("color"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC"))}};var yn=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene,i=t._sectionPlanesState.getNumAllocatedSectionPlanes()>0,r=!!e._geometry._state.compressGeometry,s=e._state.billboard,n=e._state.stationary,o=[];o.push("#version 300 es"),o.push("// Mesh occlusion vertex shader"),o.push("in vec3 position;"),o.push("uniform mat4 modelMatrix;"),o.push("uniform mat4 viewMatrix;"),o.push("uniform mat4 projMatrix;"),o.push("uniform vec3 offset;"),r&&o.push("uniform mat4 positionsDecodeMatrix;");i&&o.push("out vec4 vWorldPosition;");t.logarithmicDepthBufferEnabled&&(o.push("uniform float logDepthBufFC;"),o.push("out float vFragDepth;"),o.push("bool isPerspectiveMatrix(mat4 m) {"),o.push("    return (m[2][3] == - 1.0);"),o.push("}"),o.push("out float isPerspective;"));"spherical"!==s&&"cylindrical"!==s||(o.push("void billboard(inout mat4 mat) {"),o.push("   mat[0][0] = 1.0;"),o.push("   mat[0][1] = 0.0;"),o.push("   mat[0][2] = 0.0;"),"spherical"===s&&(o.push("   mat[1][0] = 0.0;"),o.push("   mat[1][1] = 1.0;"),o.push("   mat[1][2] = 0.0;")),o.push("   mat[2][0] = 0.0;"),o.push("   mat[2][1] = 0.0;"),o.push("   mat[2][2] =1.0;"),o.push("}"));o.push("void main(void) {"),o.push("vec4 localPosition = vec4(position, 1.0); "),o.push("vec4 worldPosition;"),r&&o.push("localPosition = positionsDecodeMatrix * localPosition;");o.push("mat4 viewMatrix2 = viewMatrix;"),o.push("mat4 modelMatrix2 = modelMatrix;"),n&&o.push("viewMatrix2[3][0] = viewMatrix2[3][1] = viewMatrix2[3][2] = 0.0;");"spherical"===s||"cylindrical"===s?(o.push("mat4 modelViewMatrix = viewMatrix2 * modelMatrix2;"),o.push("billboard(modelMatrix2);"),o.push("billboard(viewMatrix2);"),o.push("billboard(modelViewMatrix);"),o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition = modelViewMatrix * localPosition;")):(o.push("worldPosition = modelMatrix2 * localPosition;"),o.push("worldPosition.xyz = worldPosition.xyz + offset;"),o.push("vec4 viewPosition  = viewMatrix2 * worldPosition; "));i&&o.push("   vWorldPosition = worldPosition;");o.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(o.push("vFragDepth = 1.0 + clipPos.w;"),o.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"));return o.push("gl_Position = clipPos;"),o.push("}"),o}(t),this.fragment=function(e){var t=e.scene,i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];s.push("#version 300 es"),s.push("// Mesh occlusion fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),t.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;"));if(r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}s.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),t.logarithmicDepthBufferEnabled&&s.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;");return s.push("}"),s}(t)}));var bn=re.vec3(),Bn=function(e,t){this._hash=e,this._shaderSource=new yn(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},wn={};Bn.get=function(e){var t=[e.scene.canvas.canvas.id,e.scene._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.occlusionHash].join(";"),i=wn[t];if(!i){if((i=new Bn(t,e)).errors)return console.log(i.errors.join("\n")),null;wn[t]=i,ae.memory.programs++}return i._useCount++,i},Bn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete wn[this._hash],ae.memory.programs--)},Bn.prototype.webglContextRestored=function(){this._program=null},Bn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene,r=i.canvas.gl,s=t._material._state,n=t._state,o=t._geometry._state,a=t.origin;if(!(s.alpha<1)){if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),s.id!==this._lastMaterialId){var l=s.backfaces;e.backfaces!==l&&(l?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),e.backfaces=l);var u=s.frontface;e.frontface!==u&&(u?r.frontFace(r.CCW):r.frontFace(r.CW),e.frontface=u),this._lastMaterialId=s.id}var c=i.camera;if(r.uniformMatrix4fv(this._uViewMatrix,!1,a?e.getRTCViewMatrix(n.originHash,a):c.viewMatrix),n.clippable){var A=i._sectionPlanesState.getNumAllocatedSectionPlanes(),h=i._sectionPlanesState.sectionPlanes.length;if(A>0)for(var d=i._sectionPlanesState.sectionPlanes,p=t.renderFlags,f=0;f<A;f++){var v=this._uSectionPlanes[f];if(v)if(f<h){var g=p.sectionPlanesActivePerLayer[f];if(r.uniform1i(v.active,g?1:0),g){var m=d[f];if(a){var _=Je(m.dist,m.dir,a,bn);r.uniform3fv(v.pos,_)}else r.uniform3fv(v.pos,m.pos);r.uniform3fv(v.dir,m.dir)}}else r.uniform1i(v.active,0)}}r.uniformMatrix4fv(this._uProjMatrix,!1,c._project._state.matrix),r.uniformMatrix4fv(this._uModelMatrix,r.FALSE,t.worldMatrix),this._uClippable&&r.uniform1i(this._uClippable,t._state.clippable),r.uniform3fv(this._uOffset,t._state.offset),o.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&r.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,o.positionsDecodeMatrix),this._aPosition&&(this._aPosition.bindArrayBuffer(o.positionsBuf,o.compressGeometry?r.UNSIGNED_SHORT:r.FLOAT),e.bindArray++),o.indicesBuf&&(o.indicesBuf.bind(),e.bindArray++),this._lastGeometryId=o.id),o.indicesBuf?(r.drawElements(o.primitive,o.indicesBuf.numItems,o.indicesBuf.itemType,0),e.drawElements++):o.positions&&r.drawArrays(r.TRIANGLES,0,o.positions.numItems)}},Bn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new ui(i,this._shaderSource),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),t.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},Bn.prototype._bindProgram=function(e){var t=this._scene,i=t.camera.project,r=t.canvas.gl;if(this._program.bind(),e.useProgram++,r.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(i.far+1)/Math.LN2);r.uniform1f(this._uLogDepthBufFC,s)}this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null};var Pn=C((function e(t){P(this,e),this.vertex=function(e){var t=e.scene._sectionPlanesState.sectionPlanes.length>0,i=!!e._geometry._state.compressGeometry,r=[];r.push("// Mesh shadow vertex shader"),r.push("in vec3 position;"),r.push("uniform mat4 modelMatrix;"),r.push("uniform mat4 shadowViewMatrix;"),r.push("uniform mat4 shadowProjMatrix;"),r.push("uniform vec3 offset;"),i&&r.push("uniform mat4 positionsDecodeMatrix;");t&&r.push("out vec4 vWorldPosition;");r.push("void main(void) {"),r.push("vec4 localPosition = vec4(position, 1.0); "),r.push("vec4 worldPosition;"),i&&r.push("localPosition = positionsDecodeMatrix * localPosition;");r.push("worldPosition = modelMatrix * localPosition;"),r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&r.push("vWorldPosition = worldPosition;");return r.push("   gl_Position = shadowProjMatrix * viewPosition;"),r.push("}"),r}(t),this.fragment=function(e){var t=e.scene;t.canvas.gl;var i=t._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("// Mesh shadow fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),r){s.push("uniform bool clippable;"),s.push("in vec4 vWorldPosition;");for(var n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";")}if(s.push("vec4 encodeFloat( const in float depth ) {"),s.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),s.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),s.push("  vec4 comp = fract(depth * bitShift);"),s.push("  comp -= comp.xxyz * bitMask;"),s.push("  return comp;"),s.push("}"),s.push("out vec4 outColor;"),s.push("void main(void) {"),r){s.push("if (clippable) {"),s.push("  float dist = 0.0;");for(n=0;n<i.getNumAllocatedSectionPlanes();n++)s.push("if (sectionPlaneActive"+n+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > 0.0) { discard; }"),s.push("}")}return s.push("outColor = encodeFloat(gl_FragCoord.z);"),s.push("}"),s}(t)}));var xn=function(e,t){this._hash=e,this._shaderSource=new Pn(t),this._scene=t.scene,this._useCount=0,this._allocate(t)},Cn={};xn.get=function(e){var t=e.scene,i=[t.canvas.canvas.id,t._sectionPlanesState.getHash(),e._geometry._state.hash,e._state.hash].join(";"),r=Cn[i];if(!r){if((r=new xn(i,e)).errors)return console.log(r.errors.join("\n")),null;Cn[i]=r,ae.memory.programs++}return r._useCount++,r},xn.prototype.put=function(){0==--this._useCount&&(this._program&&this._program.destroy(),delete Cn[this._hash],ae.memory.programs--)},xn.prototype.webglContextRestored=function(){this._program=null},xn.prototype.drawMesh=function(e,t){this._program||this._allocate(t);var i=this._scene.canvas.gl,r=t._material._state,s=t._geometry._state;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),r.id!==this._lastMaterialId){var n=r.backfaces;e.backfaces!==n&&(n?i.disable(i.CULL_FACE):i.enable(i.CULL_FACE),e.backfaces=n);var o=r.frontface;e.frontface!==o&&(o?i.frontFace(i.CCW):i.frontFace(i.CW),e.frontface=o),e.lineWidth!==r.lineWidth&&(i.lineWidth(r.lineWidth),e.lineWidth=r.lineWidth),this._uPointSize&&i.uniform1i(this._uPointSize,r.pointSize),this._lastMaterialId=r.id}if(i.uniformMatrix4fv(this._uModelMatrix,i.FALSE,t.worldMatrix),s.combineGeometry){var a=t.vertexBufs;a.id!==this._lastVertexBufsId&&(a.positionsBuf&&this._aPosition&&(this._aPosition.bindArrayBuffer(a.positionsBuf,a.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),this._lastVertexBufsId=a.id)}this._uClippable&&i.uniform1i(this._uClippable,t._state.clippable),i.uniform3fv(this._uOffset,t._state.offset),s.id!==this._lastGeometryId&&(this._uPositionsDecodeMatrix&&i.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,s.positionsDecodeMatrix),s.combineGeometry?s.indicesBufCombined&&(s.indicesBufCombined.bind(),e.bindArray++):(this._aPosition&&(this._aPosition.bindArrayBuffer(s.positionsBuf,s.compressGeometry?i.UNSIGNED_SHORT:i.FLOAT),e.bindArray++),s.indicesBuf&&(s.indicesBuf.bind(),e.bindArray++)),this._lastGeometryId=s.id),s.combineGeometry?s.indicesBufCombined&&(i.drawElements(s.primitive,s.indicesBufCombined.numItems,s.indicesBufCombined.itemType,0),e.drawElements++):s.indicesBuf?(i.drawElements(s.primitive,s.indicesBuf.numItems,s.indicesBuf.itemType,0),e.drawElements++):s.positions&&(i.drawArrays(i.TRIANGLES,0,s.positions.numItems),e.drawArrays++)},xn.prototype._allocate=function(e){var t=e.scene,i=t.canvas.gl;if(this._program=new ui(i,this._shaderSource),this._scene=t,this._useCount=0,this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uPositionsDecodeMatrix=r.getLocation("positionsDecodeMatrix"),this._uModelMatrix=r.getLocation("modelMatrix"),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),this._uSectionPlanes={};for(var s=0,n=t._sectionPlanesState.sectionPlanes.length;s<n;s++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+s),pos:r.getLocation("sectionPlanePos"+s),dir:r.getLocation("sectionPlaneDir"+s)});this._aPosition=r.getAttribute("position"),this._uClippable=r.getLocation("clippable"),this._uOffset=r.getLocation("offset"),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null}},xn.prototype._bindProgram=function(e){this._program||this._allocate(mesh);var t=this._scene,i=t.canvas.gl,r=t._sectionPlanesState;if(this._program.bind(),e.useProgram++,i.uniformMatrix4fv(this._uShadowViewMatrix,!1,e.shadowViewMatrix),i.uniformMatrix4fv(this._uShadowProjMatrix,!1,e.shadowProjMatrix),this._lastMaterialId=null,this._lastVertexBufsId=null,this._lastGeometryId=null,r.getNumAllocatedSectionPlanes()>0)for(var s,n,o,a=0,l=this._uSectionPlanes.length;a<l;a++)n=(s=this._uSectionPlanes[a]).active,o=r.sectionPlanes[a],n&&i.uniform1i(n,o.active),s.pos&&i.uniform3fv(s.pos,o.pos),s.dir&&i.uniform3fv(s.dir,o.dir)};var Mn=function(){function e(){P(this,e),this.visibleLayers=[],this.sectionPlanesActivePerLayer=[],this.reset()}return C(e,[{key:"reset",value:function(){this.culled=!1,this.sectioned=!1,this.numLayers=0,this.numVisibleLayers=0,this.colorOpaque=!1,this.colorTransparent=!1,this.edgesOpaque=!1,this.edgesTransparent=!1,this.xrayedSilhouetteOpaque=!1,this.xrayedEdgesOpaque=!1,this.xrayedSilhouetteTransparent=!1,this.xrayedEdgesTransparent=!1,this.highlightedSilhouetteOpaque=!1,this.highlightedEdgesOpaque=!1,this.highlightedSilhouetteTransparent=!1,this.highlightedEdgesTransparent=!1,this.selectedSilhouetteOpaque=!1,this.selectedEdgesOpaque=!1,this.selectedSilhouetteTransparent=!1,this.selectedEdgesTransparent=!1}}]),e}(),En=re.OBB3(),Fn=re.vec4(),kn=re.vec4(),In=re.vec4(),Dn=re.vec3([1,0,0]),Sn=re.vec3([0,1,0]),Tn=re.vec3([0,0,1]),Rn=re.vec3(3),Ln=re.vec3(3),Un=re.identityMat4(),On=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r.originalSystemId=s.originalSystemId||r.id,r.renderFlags=new Mn,r._state=new Ii({visible:!0,culled:!1,pickable:null,clippable:null,collidable:null,occluder:!1!==s.occluder,castsShadow:null,receivesShadow:null,xrayed:!1,highlighted:!1,selected:!1,edges:!1,stationary:!!s.stationary,background:!!s.background,billboard:r._checkBillboard(s.billboard),layer:null,colorize:null,pickID:r.scene._renderer.getPickID(m(r)),drawHash:"",pickHash:"",offset:re.vec3(),origin:null,originHash:null}),r._drawRenderer=null,r._shadowRenderer=null,r._emphasisFillRenderer=null,r._emphasisEdgesRenderer=null,r._pickMeshRenderer=null,r._pickTriangleRenderer=null,r._occlusionRenderer=null,r._geometry=s.geometry?r._checkComponent2(["ReadableGeometry","VBOGeometry"],s.geometry):r.scene.geometry,r._material=s.material?r._checkComponent2(["PhongMaterial","MetallicMaterial","SpecularMaterial","LambertMaterial"],s.material):r.scene.material,r._xrayMaterial=s.xrayMaterial?r._checkComponent("EmphasisMaterial",s.xrayMaterial):r.scene.xrayMaterial,r._highlightMaterial=s.highlightMaterial?r._checkComponent("EmphasisMaterial",s.highlightMaterial):r.scene.highlightMaterial,r._selectedMaterial=s.selectedMaterial?r._checkComponent("EmphasisMaterial",s.selectedMaterial):r.scene.selectedMaterial,r._edgeMaterial=s.edgeMaterial?r._checkComponent("EdgeMaterial",s.edgeMaterial):r.scene.edgeMaterial,r._parentNode=null,r._aabb=null,r._aabbDirty=!0,r._numTriangles=r._geometry?r._geometry.numTriangles:0,r.scene._aabbDirty=!0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._worldMatrix=re.identityMat4(),r._worldNormalMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,r._worldNormalMatrixDirty=!0;var n=s.origin||s.rtcCenter;if(n&&(r._state.origin=re.vec3(n),r._state.originHash=n.join()),s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(m(r)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(m(r)),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.layer=s.layer,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.parentId){var o=r.scene.components[s.parentId];o?o.isNode?o.addChild(m(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'"),r._parentNode=o}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(m(r)),r._parentNode=s.parent);return r.compile(),r}return C(i,[{key:"type",get:function(){return"Mesh"}},{key:"isMesh",get:function(){return!0}},{key:"parent",get:function(){return this._parentNode}},{key:"geometry",get:function(){return this._geometry}},{key:"material",get:function(){return this._material}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this.__localMatrix||(this.__localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this.__localMatrix),this._localMatrixDirty=!1),this.__localMatrix},set:function(e){this.__localMatrix||(this.__localMatrix=re.identityMat4()),this.__localMatrix.set(e||Un),re.decomposeMat4(this.__localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrixDirty&&this._buildWorldNormalMatrix(),this._worldNormalMatrix}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._state.origin},set:function(e){e?(this._state.origin||(this._state.origin=re.vec3()),this._state.origin.set(e),this._state.originHash=e.join(),this._setAABBDirty(),this.scene._aabbDirty=!0):this._state.origin&&(this._state.origin=null,this._state.originHash=null,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._state.visible},set:function(e){e=!1!==e,this._state.visible=e,this._isObject&&this.scene._objectVisibilityUpdated(this,e),this.glRedraw()}},{key:"xrayed",get:function(){return this._state.xrayed},set:function(e){e=!!e,this._state.xrayed!==e&&(this._state.xrayed=e,this._isObject&&this.scene._objectXRayedUpdated(this,e),this.glRedraw())}},{key:"highlighted",get:function(){return this._state.highlighted},set:function(e){(e=!!e)!==this._state.highlighted&&(this._state.highlighted=e,this._isObject&&this.scene._objectHighlightedUpdated(this,e),this.glRedraw())}},{key:"selected",get:function(){return this._state.selected},set:function(e){(e=!!e)!==this._state.selected&&(this._state.selected=e,this._isObject&&this.scene._objectSelectedUpdated(this,e),this.glRedraw())}},{key:"edges",get:function(){return this._state.edges},set:function(e){(e=!!e)!==this._state.edges&&(this._state.edges=e,this.glRedraw())}},{key:"culled",get:function(){return this._state.culled},set:function(e){this._state.culled=!!e,this.glRedraw()}},{key:"clippable",get:function(){return this._state.clippable},set:function(e){e=!1!==e,this._state.clippable!==e&&(this._state.clippable=e,this.glRedraw())}},{key:"collidable",get:function(){return this._state.collidable},set:function(e){(e=!1!==e)!==this._state.collidable&&(this._state.collidable=e,this._setAABBDirty(),this.scene._aabbDirty=!0)}},{key:"pickable",get:function(){return this._state.pickable},set:function(e){e=!1!==e,this._state.pickable!==e&&(this._state.pickable=e)}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){(e=!1!==e)!==this._state.castsShadow&&(this._state.castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._state.receivesShadow},set:function(e){(e=!1!==e)!==this._state.receivesShadow&&(this._state.receivesShadow=e,this._state.hash=e?"/mod/rs;":"/mod;",this.fire("dirty",this))}},{key:"saoEnabled",get:function(){return!1}},{key:"colorize",get:function(){return this._state.colorize},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);var i=!!e;this.scene._objectColorizeUpdated(this,i),this.glRedraw()}},{key:"opacity",get:function(){return this._state.colorize[3]},set:function(e){var t=this._state.colorize;t||((t=this._state.colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1);var i=null!=e;t[3]=i?e:1,this.scene._objectOpacityUpdated(this,i),this.glRedraw()}},{key:"transparent",get:function(){return 2===this._material.alphaMode||this._state.colorize[3]<1}},{key:"layer",get:function(){return this._state.layer},set:function(e){e=e||0,(e=Math.round(e))!==this._state.layer&&(this._state.layer=e,this._renderer.needStateSort())}},{key:"stationary",get:function(){return this._state.stationary}},{key:"billboard",get:function(){return this._state.billboard}},{key:"offset",get:function(){return this._state.offset},set:function(e){this._state.offset.set(e||[0,0,0]),this._setAABBDirty(),this.glRedraw()}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!0}},{key:"xrayMaterial",get:function(){return this._xrayMaterial}},{key:"highlightMaterial",get:function(){return this._highlightMaterial}},{key:"selectedMaterial",get:function(){return this._selectedMaterial}},{key:"edgeMaterial",get:function(){return this._edgeMaterial}},{key:"_checkBillboard",value:function(e){return"spherical"!==(e=e||"none")&&"cylindrical"!==e&&"none"!==e&&(this.error("Unsupported value for 'billboard': "+e+" - accepted values are 'spherical', 'cylindrical' and 'none' - defaulting to 'none'."),e="none"),e}},{key:"compile",value:function(){var e=this._makeDrawHash();this._state.drawHash!==e&&(this._state.drawHash=e,this._putDrawRenderers(),this._drawRenderer=$s.get(this),this._emphasisFillRenderer=nn.get(this),this._emphasisEdgesRenderer=cn.get(this));var t=this._makePickHash();if(this._state.pickHash!==t&&(this._state.pickHash=t,this._putPickRenderers(),this._pickMeshRenderer=pn.get(this)),this._state.occluder){var i=this._makeOcclusionHash();this._state.occlusionHash!==i&&(this._state.occlusionHash=i,this._putOcclusionRenderer(),this._occlusionRenderer=Bn.get(this))}}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0,this._worldNormalMatrixDirty=!0}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_buildWorldNormalMatrix",value:function(){this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldNormalMatrix||(this._worldNormalMatrix=re.mat4()),re.transposeMat4(this._worldMatrix,this._worldNormalMatrix),re.inverseMat4(this._worldNormalMatrix),this._worldNormalMatrixDirty=!1}},{key:"_setAABBDirty",value:function(){if(this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB(this.worldMatrix,this._aabb),this._aabbDirty=!1}},{key:"_webglContextRestored",value:function(){this._drawRenderer&&this._drawRenderer.webglContextRestored(),this._shadowRenderer&&this._shadowRenderer.webglContextRestored(),this._emphasisFillRenderer&&this._emphasisFillRenderer.webglContextRestored(),this._emphasisEdgesRenderer&&this._emphasisEdgesRenderer.webglContextRestored(),this._pickMeshRenderer&&this._pickMeshRenderer.webglContextRestored(),this._pickTriangleRenderer&&this._pickMeshRenderer.webglContextRestored(),this._occlusionRenderer&&this._occlusionRenderer.webglContextRestored()}},{key:"_makeDrawHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,(e.gammaInput?"gi;":";")+(e.gammaOutput?"go":""),e._lightsState.getHash(),e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),i.receivesShadow&&t.push("/rs"),t.push(";"),t.join("")}},{key:"_makePickHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_makeOcclusionHash",value:function(){var e=this.scene,t=[e.canvas.canvas.id,e._sectionPlanesState.getHash()],i=this._state;return i.stationary&&t.push("/s"),"none"===i.billboard?t.push("/n"):"spherical"===i.billboard?t.push("/s"):"cylindrical"===i.billboard&&t.push("/c"),t.push(";"),t.join("")}},{key:"_buildAABB",value:function(e,t){re.transformOBB3(e,this._geometry.obb,En),re.OBB3ToAABB3(En,t);var i=this._state.offset;if(t[0]+=i[0],t[1]+=i[1],t[2]+=i[2],t[3]+=i[0],t[4]+=i[1],t[5]+=i[2],this._state.origin){var r=this._state.origin;t[0]+=r[0],t[1]+=r[1],t[2]+=r[2],t[3]+=r[0],t[4]+=r[1],t[5]+=r[2]}}},{key:"rotate",value:function(e,t){return Fn[0]=e[0],Fn[1]=e[1],Fn[2]=e[2],Fn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Fn,kn),re.mulQuaternions(this.quaternion,kn,In),this.quaternion=In,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Fn[0]=e[0],Fn[1]=e[1],Fn[2]=e[2],Fn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Fn,kn),re.mulQuaternions(kn,this.quaternion,kn),this}},{key:"rotateX",value:function(e){return this.rotate(Dn,e)}},{key:"rotateY",value:function(e){return this.rotate(Sn,e)}},{key:"rotateZ",value:function(e){return this.rotate(Tn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,Rn),re.mulVec3Scalar(Rn,t,Ln),re.addVec3(this.position,Ln,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(Dn,e)}},{key:"translateY",value:function(e){return this.translate(Sn,e)}},{key:"translateZ",value:function(e){return this.translate(Tn,e)}},{key:"_putDrawRenderers",value:function(){this._drawRenderer&&(this._drawRenderer.put(),this._drawRenderer=null),this._shadowRenderer&&(this._shadowRenderer.put(),this._shadowRenderer=null),this._emphasisFillRenderer&&(this._emphasisFillRenderer.put(),this._emphasisFillRenderer=null),this._emphasisEdgesRenderer&&(this._emphasisEdgesRenderer.put(),this._emphasisEdgesRenderer=null)}},{key:"_putPickRenderers",value:function(){this._pickMeshRenderer&&(this._pickMeshRenderer.put(),this._pickMeshRenderer=null),this._pickTriangleRenderer&&(this._pickTriangleRenderer.put(),this._pickTriangleRenderer=null)}},{key:"_putOcclusionRenderer",value:function(){this._occlusionRenderer&&(this._occlusionRenderer.put(),this._occlusionRenderer=null)}},{key:"stateSortCompare",value:function(e,t){return e._state.layer-t._state.layer||e._drawRenderer.id-t._drawRenderer.id||e._material._state.id-t._material._state.id||e._geometry._state.id-t._geometry._state.id}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._getActiveSectionPlanes()?(this.renderFlags.numLayers=1,this.renderFlags.numVisibleLayers=1,this.renderFlags.visibleLayers[0]=0,this._updateRenderFlags()):this.renderFlags.culled=!0}},{key:"_updateRenderFlags",value:function(){var e=this.renderFlags,t=this._state;if(t.xrayed){var i=this._xrayMaterial._state;i.fill&&(i.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}else{if(this._material._state.alpha<1||t.colorize[3]<1?e.colorTransparent=!0:e.colorOpaque=!0,t.edges)this._edgeMaterial._state.alpha<1?e.edgesTransparent=!0:e.edgesOpaque=!0;if(t.selected){var r=this._selectedMaterial._state;r.fill&&(r.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}else if(t.highlighted){var s=this._highlightMaterial._state;s.fill&&(s.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),s.edges&&(s.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"_getActiveSectionPlanes",value:function(){if(this._state.clippable){var e=this.scene._sectionPlanesState.sectionPlanes,t=e.length;if(t>0)for(var i=0;i<t;i++){var r=e[i],s=this.renderFlags;if(r.active)if(this._state.origin){var n=re.planeAABB3Intersect(r.dir,r.dist,this.aabb);if(-1===n)return!1;var o=0===n;s.sectionPlanesActivePerLayer[i]=o}else s.sectionPlanesActivePerLayer[i]=!0;else s.sectionPlanesActivePerLayer[i]=!1}}return!0}},{key:"drawColorOpaque",value:function(e){(this._drawRenderer||(this._drawRenderer=$s.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawColorTransparent",value:function(e){(this._drawRenderer||(this._drawRenderer=$s.get(this)))&&this._drawRenderer.drawMesh(e,this)}},{key:"drawSilhouetteXRayed",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=nn.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,0)}},{key:"drawSilhouetteHighlighted",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=nn.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,1)}},{key:"drawSilhouetteSelected",value:function(e){(this._emphasisFillRenderer||(this._emphasisFillRenderer=nn.get(this)))&&this._emphasisFillRenderer.drawMesh(e,this,2)}},{key:"drawEdgesColorOpaque",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=cn.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesColorTransparent",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=cn.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,3)}},{key:"drawEdgesXRayed",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=cn.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,0)}},{key:"drawEdgesHighlighted",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=cn.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,1)}},{key:"drawEdgesSelected",value:function(e){(this._emphasisEdgesRenderer||(this._emphasisEdgesRenderer=cn.get(this)))&&this._emphasisEdgesRenderer.drawMesh(e,this,2)}},{key:"drawOcclusion",value:function(e){(this._state.occluder&&this._occlusionRenderer||(this._occlusionRenderer=Bn.get(this)))&&this._occlusionRenderer.drawMesh(e,this)}},{key:"drawShadow",value:function(e){(this._shadowRenderer||(this._shadowRenderer=xn.get(this)))&&this._shadowRenderer.drawMesh(e,this)}},{key:"drawPickMesh",value:function(e){(this._pickMeshRenderer||(this._pickMeshRenderer=pn.get(this)))&&this._pickMeshRenderer.drawMesh(e,this)}},{key:"canPickTriangle",value:function(){return this._geometry.isReadableGeometry}},{key:"drawPickTriangles",value:function(e){(this._pickTriangleRenderer||(this._pickTriangleRenderer=mn.get(this)))&&this._pickTriangleRenderer.drawMesh(e,this)}},{key:"pickTriangleSurface",value:function(e,t,i,r){Nn(this,e,t,i,r)}},{key:"drawPickVertices",value:function(e){}},{key:"delegatePickedEntity",value:function(){return this}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._putDrawRenderers(),this._putPickRenderers(),this._putOcclusionRenderer(),this.scene._renderer.putPickID(this._state.pickID),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this.glRedraw()}}]),i}(),Nn=function(){var e=re.vec3(),t=re.vec3(),i=re.vec3(),r=re.vec3(),s=re.vec3(),n=re.vec3(),o=re.vec4(),a=re.vec3(),l=re.vec3(),u=re.vec3(),c=re.vec3(),A=re.vec3(),h=re.vec3(),d=re.vec3(),p=re.vec3(),f=re.vec3(),v=re.vec4(),g=re.vec4(),m=re.vec4(),_=re.vec3(),y=re.vec3(),b=re.vec3(),B=re.vec3(),w=re.vec3(),P=re.vec3(),x=re.vec3(),C=re.vec3(),M=re.vec3(),E=re.vec3(),F=re.vec3();return function(k,I,D,S,T){var R=T.primIndex;if(null!=R&&R>-1){var L=k.geometry._state,U=k.scene,O=U.camera,N=U.canvas;if("triangles"===L.primitiveName){T.primitive="triangle";var Q,V,H,j=R,G=L.indices,z=L.positions;if(G){var K=G[j+0],W=G[j+1],X=G[j+2];n[0]=K,n[1]=W,n[2]=X,T.indices=n,Q=3*K,V=3*W,H=3*X}else H=(V=(Q=3*j)+3)+3;if(i[0]=z[Q+0],i[1]=z[Q+1],i[2]=z[Q+2],r[0]=z[V+0],r[1]=z[V+1],r[2]=z[V+2],s[0]=z[H+0],s[1]=z[H+1],s[2]=z[H+2],L.compressGeometry){var J=L.positionsDecodeMatrix;J&&(cr.decompressPosition(i,J,i),cr.decompressPosition(r,J,r),cr.decompressPosition(s,J,s))}T.canvasPos?re.canvasPosToLocalRay(N.canvas,k.origin?ze(I,k.origin):I,D,S,k.worldMatrix,T.canvasPos,e,t):T.origin&&T.direction&&re.worldRayToLocalRay(k.worldMatrix,T.origin,T.direction,e,t),re.normalizeVec3(t),re.rayPlaneIntersect(e,t,i,r,s,o),T.localPos=o,T.position=o,v[0]=o[0],v[1]=o[1],v[2]=o[2],v[3]=1,re.transformVec4(k.worldMatrix,v,g),a[0]=g[0],a[1]=g[1],a[2]=g[2],T.canvasPos&&k.origin&&(a[0]+=k.origin[0],a[1]+=k.origin[1],a[2]+=k.origin[2]),T.worldPos=a,re.transformVec4(O.matrix,g,m),l[0]=m[0],l[1]=m[1],l[2]=m[2],T.viewPos=l,re.cartesianToBarycentric(o,i,r,s,u),T.bary=u;var Y=L.normals;if(Y){if(L.compressGeometry){var Z=3*K,q=3*W,$=3*X;cr.decompressNormal(Y.subarray(Z,Z+2),c),cr.decompressNormal(Y.subarray(q,q+2),A),cr.decompressNormal(Y.subarray($,$+2),h)}else c[0]=Y[Q],c[1]=Y[Q+1],c[2]=Y[Q+2],A[0]=Y[V],A[1]=Y[V+1],A[2]=Y[V+2],h[0]=Y[H],h[1]=Y[H+1],h[2]=Y[H+2];var ee=re.addVec3(re.addVec3(re.mulVec3Scalar(c,u[0],_),re.mulVec3Scalar(A,u[1],y),b),re.mulVec3Scalar(h,u[2],B),w);T.worldNormal=re.normalizeVec3(re.transformVec3(k.worldNormalMatrix,ee,P))}var te=L.uv;if(te){if(d[0]=te[2*K],d[1]=te[2*K+1],p[0]=te[2*W],p[1]=te[2*W+1],f[0]=te[2*X],f[1]=te[2*X+1],L.compressGeometry){var ie=L.uvDecodeMatrix;ie&&(cr.decompressUV(d,ie,d),cr.decompressUV(p,ie,p),cr.decompressUV(f,ie,f))}T.uv=re.addVec3(re.addVec3(re.mulVec2Scalar(d,u[0],x),re.mulVec2Scalar(p,u[1],C),M),re.mulVec2Scalar(f,u[2],E),F)}}}}}();function Qn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radiusTop||1;t<0&&(console.error("negative radiusTop not allowed - will invert"),t*=-1);var i=e.radiusBottom||1;i<0&&(console.error("negative radiusBottom not allowed - will invert"),i*=-1);var r=e.height||1;r<0&&(console.error("negative height not allowed - will invert"),r*=-1);var s=e.radialSegments||32;s<0&&(console.error("negative radialSegments not allowed - will invert"),s*=-1),s<3&&(s=3);var n=e.heightSegments||1;n<0&&(console.error("negative heightSegments not allowed - will invert"),n*=-1),n<1&&(n=1);var o,a,l,u,c,A,h,d,p,f,v,g=!!e.openEnded,m=e.center,_=m?m[0]:0,y=m?m[1]:0,b=m?m[2]:0,B=r/2,w=r/n,P=2*Math.PI/s,x=1/s,C=(t-i)/n,M=[],E=[],F=[],k=[],I=(90-180*Math.atan(r/(i-t))/Math.PI)/90;for(o=0;o<=n;o++)for(c=t-o*C,A=B-o*w,a=0;a<=s;a++)l=Math.sin(a*P),u=Math.cos(a*P),E.push(c*l),E.push(I),E.push(c*u),F.push(a*x),F.push(1*o/n),M.push(c*l+_),M.push(A+y),M.push(c*u+b);for(o=0;o<n;o++)for(a=0;a<=s;a++)d=(h=o*(s+1)+a)+s,k.push(h),k.push(d),k.push(d+1),k.push(h),k.push(d+1),k.push(h+1);if(!g&&t>0){for(p=M.length/3,E.push(0),E.push(1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(B+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*P),u=Math.cos(a*P),f=.5*Math.sin(a*P)+.5,v=.5*Math.cos(a*P)+.5,E.push(t*l),E.push(1),E.push(t*u),F.push(f),F.push(v),M.push(t*l+_),M.push(B+y),M.push(t*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(h),k.push(h+1),k.push(m)}if(!g&&i>0){for(p=M.length/3,E.push(0),E.push(-1),E.push(0),F.push(.5),F.push(.5),M.push(0+_),M.push(0-B+y),M.push(0+b),a=0;a<=s;a++)l=Math.sin(a*P),u=Math.cos(a*P),f=.5*Math.sin(a*P)+.5,v=.5*Math.cos(a*P)+.5,E.push(i*l),E.push(-1),E.push(i*u),F.push(f),F.push(v),M.push(i*l+_),M.push(0-B+y),M.push(i*u+b);for(a=0;a<s;a++)m=p,h=p+1+a,k.push(m),k.push(h+1),k.push(h)}return he.apply(e,{positions:M,normals:E,uv:F,indices:k})}function Vn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.lod||1,i=e.center?e.center[0]:0,r=e.center?e.center[1]:0,s=e.center?e.center[2]:0,n=e.radius||1;n<0&&(console.error("negative radius not allowed - will invert"),n*=-1);var o=e.heightSegments||18;o<0&&(console.error("negative heightSegments not allowed - will invert"),o*=-1),(o=Math.floor(t*o))<18&&(o=18);var a=e.widthSegments||18;a<0&&(console.error("negative widthSegments not allowed - will invert"),a*=-1),(a=Math.floor(t*a))<18&&(a=18);var l,u,c,A,h,d,p,f,v,g,m,_,y,b,B=[],w=[],P=[],x=[];for(l=0;l<=o;l++)for(c=l*Math.PI/o,A=Math.sin(c),h=Math.cos(c),u=0;u<=a;u++)d=2*u*Math.PI/a,p=Math.sin(d),f=Math.cos(d)*A,v=h,g=p*A,m=1-u/a,_=l/o,w.push(f),w.push(v),w.push(g),P.push(m),P.push(_),B.push(i+n*f),B.push(r+n*v),B.push(s+n*g);for(l=0;l<o;l++)for(u=0;u<a;u++)b=(y=l*(a+1)+u)+a+1,x.push(y+1),x.push(b+1),x.push(b),x.push(y+1),x.push(b),x.push(y);return 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jn(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.origin||[0,0,0],i=t[0],r=t[1],s=t[2],n=e.size||1,o=[],a=[],l=e.text;he.isNumeric(l)&&(l=""+l);for(var u,c,A,h,d,p,f,v,g,m=(l||"").split("\n"),_=0,y=0,b=.04,B=0;B<m.length;B++){u=0,A=(c=m[B]).length;for(var w=0;w<A;w++)if(h=Hn[c.charAt(w)]){d=1,p=-1,f=-1,v=h.points.length;for(var P=0;P<v;P++)-1!==(g=h.points[P])[0]||-1!==g[1]?(o.push(u+g[0]*n*b+i),o.push(y+g[1]*n*b+r),o.push(0+s),-1===p?p=_:(-1===f||(p=f),f=_),_++,d?d=!1:(a.push(p),a.push(f))):d=1;u+=h.width*b*n}y-=35*b*n}return he.apply(e,{primitive:"lines",positions:o,indices:a})}var Gn=function(e){p(i,Ue);var t=v(i);function i(e,r){var s;P(this,i),r=r||{},s=t.call(this,"AxisGizmo",e,r);var n=e.scene.camera;r.canvasId||r.canvasElement||s.error("Config expected: either 'canvasId' or 'canvasElement'");try{s._axisGizmoScene=new Dr(e,{canvasId:r.canvasId,canvasElement:r.canvasElement,transparent:!0})}catch(e){return s.error(e),g(s)}var 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mr(o,{diffuse:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),f=new mr(o,{emissive:[.3,.3,1],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),v=new mr(o,{diffuse:[.5,.5,.5],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2});return s._meshes=[new On(o,{geometry:new dr(o,Vn({radius:9,heightSegments:60,widthSegments:60})),material:new mr(o,{diffuse:[0,0,0],emissive:[.1,.1,.1],ambient:[.1,.1,.2],specular:[0,0,0],alpha:.4,alphaMode:"blend",frontface:"cw"}),pickable:!1,collidable:!1,visible:!1!==r.visible}),new On(o,{geometry:new dr(o,Vn({radius:1})),material:v,pickable:!1,collidable:!1,visible:!1!==r.visible}),new On(o,{geometry:l,material:c,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[5,0,0],rotation:[0,0,-90]}),new On(o,{geometry:u,material:c,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[2,0,0],rotation:[0,0,90]}),new On(o,{geometry:new dr(o,jn({text:"X",size:1.5})),material:A,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[7,0,0],billboard:"spherical"}),new On(o,{geometry:l,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,5,0]}),new On(o,{geometry:u,material:h,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,2,0]}),new On(o,{geometry:new dr(o,jn({text:"Y",size:1.5})),material:d,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,7,0],billboard:"spherical"}),new On(o,{geometry:l,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,5],rotation:[90,0,0]}),new On(o,{geometry:u,material:p,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,2],rotation:[90,0,0]}),new On(o,{geometry:new dr(o,jn({text:"Z",size:1.5})),material:f,pickable:!1,collidable:!1,visible:!1!==r.visible,position:[0,0,7],billboard:"spherical"})],s}return C(i,[{key:"setVisible",value:function(e){for(var t=0;t<this._meshes.length;t++)this._meshes[t].visible=e}},{key:"destroy",value:function(){this._axisGizmoCanvas=null,this._axisGizmoScene.destroy(),this._axisGizmoScene=null,h(_(i.prototype),"destroy",this).call(this)}}]),i}();re.vec3();var zn=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({active:!0,pos:re.vec3(),dir:re.vec3(),dist:0}),r.active=s.active,r.pos=s.pos,r.dir=s.dir,r.scene._sectionPlaneCreated(m(r)),r}return C(i,[{key:"type",get:function(){return"SectionPlane"}},{key:"active",get:function(){return this._state.active},set:function(e){this._state.active=!1!==e,this.glRedraw(),this.fire("active",this._state.active),this.scene.fire("sectionPlaneUpdated",this)}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[0,0,0]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.fire("pos",this._state.pos),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dir",get:function(){return this._state.dir},set:function(e){this._state.dir.set(e||[0,0,-1]),this._state.dist=-re.dotVec3(this._state.pos,this._state.dir),this.glRedraw(),this.fire("dir",this._state.dir),this.scene.fire("sectionPlaneUpdated",this)}},{key:"dist",get:function(){return this._state.dist}},{key:"flipDir",value:function(){re.mulVec3Scalar(this._state.dir,-1,this._state.dir),this.dir=this._state.dir}},{key:"destroy",value:function(){this._state.destroy(),this.scene._sectionPlaneDestroyed(this),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Kn=re.vec4(4),Wn=re.vec4(),Xn=re.vec4(),Jn=re.vec3([1,0,0]),Yn=re.vec3([0,1,0]),Zn=re.vec3([0,0,1]),qn=re.vec3(3),$n=re.vec3(3),eo=re.identityMat4(),to=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,e,s))._parentNode=null,r._children=[],r._aabb=null,r._aabbDirty=!0,r.scene._aabbDirty=!0,r._numTriangles=0,r._scale=re.vec3(),r._quaternion=re.identityQuaternion(),r._rotation=re.vec3(),r._position=re.vec3(),r._offset=re.vec3(),r._localMatrix=re.identityMat4(),r._worldMatrix=re.identityMat4(),r._localMatrixDirty=!0,r._worldMatrixDirty=!0,s.matrix?r.matrix=s.matrix:(r.scale=s.scale,r.position=s.position,s.quaternion||(r.rotation=s.rotation)),r._isModel=s.isModel,r._isModel&&r.scene._registerModel(m(r)),r._isObject=s.isObject,r._isObject&&r.scene._registerObject(m(r)),r.origin=s.origin,r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.offset=s.offset,s.children)for(var n=s.children,o=0,a=n.length;o<a;o++)r.addChild(n[o],s.inheritStates);if(s.parentId){var l=r.scene.components[s.parentId];l?l.isNode?l.addChild(m(r)):r.error("Parent is not a Node: '"+s.parentId+"'"):r.error("Parent not found: '"+s.parentId+"'")}else s.parent&&(s.parent.isNode||r.error("Parent is not a Node"),s.parent.addChild(m(r)));return r}return C(i,[{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return this._isObject}},{key:"aabb",get:function(){return this._aabbDirty&&this._updateAABB(),this._aabb}},{key:"origin",get:function(){return this._origin},set:function(e){e?(this._origin||(this._origin=re.vec3()),this._origin.set(e)):this._origin&&(this._origin=null);for(var t=0,i=this._children.length;t<i;t++)this._children[t].origin=e;this.glRedraw()}},{key:"rtcCenter",get:function(){return this.origin},set:function(e){this.origin=e}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"visible",get:function(){return this._visible},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].visible=e;this._isObject&&this.scene._objectVisibilityUpdated(this,e)}},{key:"xrayed",get:function(){return this._xrayed},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].xrayed=e;this._isObject&&this.scene._objectXRayedUpdated(this,e)}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].highlighted=e;this._isObject&&this.scene._objectHighlightedUpdated(this,e)}},{key:"selected",get:function(){return this._selected},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].selected=e;this._isObject&&this.scene._objectSelectedUpdated(this,e)}},{key:"edges",get:function(){return this._edges},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].edges=e}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].culled=e}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].clippable=e}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].collidable=e}},{key:"pickable",get:function(){return this._pickable},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].pickable=e}},{key:"colorize",get:function(){return this._colorize.slice(0,3)},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[3]=1),e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1);for(var i=0,r=this._children.length;i<r;i++)this._children[i].colorize=t;if(this._isObject){var s=!!e;this.scene._objectColorizeUpdated(this,s)}}},{key:"opacity",get:function(){return this._colorize[3]},set:function(e){var t=this._colorize;t||((t=this._colorize=new Float32Array(4))[0]=1,t[1]=1,t[2]=1),t[3]=null!=e?e:1;for(var i=0,r=this._children.length;i<r;i++)this._children[i].opacity=e;if(this._isObject){var s=null!=e;this.scene._objectOpacityUpdated(this,s)}}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){e=!!e,this._castsShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].castsShadow=e}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){e=!!e,this._receivesShadow=e;for(var t=0,i=this._children.length;t<i;t++)this._children[t].receivesShadow=e}},{key:"saoEnabled",get:function(){return!1}},{key:"offset",get:function(){return this._offset},set:function(e){e?(this._offset[0]=e[0],this._offset[1]=e[1],this._offset[2]=e[2]):(this._offset[0]=0,this._offset[1]=0,this._offset[2]=0);for(var t=0,i=this._children.length;t<i;t++)this._children[t].offset=this._offset;this._isObject&&this.scene._objectOffsetUpdated(this,e)}},{key:"isNode",get:function(){return!0}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._setWorldMatrixDirty()}},{key:"_setWorldMatrixDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._children.length;e<t;e++)this._children[e]._setWorldMatrixDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentNode)re.mulMat4(this._parentNode.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._children)for(var t=0,i=e._children.length;t<i;t++)this._setSubtreeAABBsDirty(e._children[t])}},{key:"_setAABBDirty",value:function(){if(this._setSubtreeAABBsDirty(this),this.collidable)for(var e=this;e;e=e._parentNode)e._aabbDirty=!0}},{key:"_updateAABB",value:function(){if(this.scene._aabbDirty=!0,this._aabb||(this._aabb=re.AABB3()),this._buildAABB)this._buildAABB(this.worldMatrix,this._aabb);else{var e;re.collapseAABB3(this._aabb);for(var t=0,i=this._children.length;t<i;t++)(e=this._children[t]).collidable&&re.expandAABB3(this._aabb,e.aabb)}this._aabbDirty=!1}},{key:"addChild",value:function(e,t){if(he.isNumeric(e)||he.isString(e)){var i=e;if(!(e=this.scene.component[i]))return void this.warn("Component not found: "+he.inQuotes(i));if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+i)}else{if(!e.isNode&&!e.isMesh)return void this.error("Not a Node or Mesh: "+e.id);if(e._parentNode){if(e._parentNode.id===this.id)return void this.warn("Already a child: "+e.id);e._parentNode.removeChild(e)}}if(e.id,e.scene.id===this.scene.id)return this._children.push(e),e._parentNode=this,t&&(e.visible=this.visible,e.culled=this.culled,e.xrayed=this.xrayed,e.highlited=this.highlighted,e.selected=this.selected,e.edges=this.edges,e.clippable=this.clippable,e.pickable=this.pickable,e.collidable=this.collidable,e.castsShadow=this.castsShadow,e.receivesShadow=this.receivesShadow,e.colorize=this.colorize,e.opacity=this.opacity,e.offset=this.offset),e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles+=e.numTriangles,e;this.error("Child not in same Scene: "+e.id)}},{key:"removeChild",value:function(e){for(var t=0,i=this._children.length;t<i;t++)if(this._children[t].id===e.id)return e._parentNode=null,this._children=this._children.splice(t,1),e._setWorldMatrixDirty(),e._setAABBDirty(),this._setAABBDirty(),void(this._numTriangles-=e.numTriangles)}},{key:"removeChildren",value:function(){for(var e,t=0,i=this._children.length;t<i;t++)(e=this._children[t])._parentNode=null,e._setWorldMatrixDirty(),e._setAABBDirty(),this._numTriangles-=e.numTriangles;this._children=[],this._setAABBDirty()}},{key:"numChildren",get:function(){return this._children.length}},{key:"children",get:function(){return this._children}},{key:"parent",get:function(){return this._parentNode},set:function(e){if(he.isNumeric(e)||he.isString(e)){var t=e;if(!(e=this.scene.components[t]))return void this.warn("Node not found: "+he.inQuotes(t));if(!e.isNode)return void this.error("Not a Node: "+e.id)}e.scene.id===this.scene.id?this._parentNode&&this._parentNode.id===e.id?this.warn("Already a child of Node: "+e.id):e.addChild(this):this.error("Node not in same Scene: "+e.id)}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||eo),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._setWorldMatrixDirty(),this._setAABBDirty(),this.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Kn[0]=e[0],Kn[1]=e[1],Kn[2]=e[2],Kn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Kn,Wn),re.mulQuaternions(this.quaternion,Wn,Xn),this.quaternion=Xn,this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Kn[0]=e[0],Kn[1]=e[1],Kn[2]=e[2],Kn[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Kn,Wn),re.mulQuaternions(Wn,this.quaternion,Wn),this}},{key:"rotateX",value:function(e){return this.rotate(Jn,e)}},{key:"rotateY",value:function(e){return this.rotate(Yn,e)}},{key:"rotateZ",value:function(e){return this.rotate(Zn,e)}},{key:"translate",value:function(e,t){return re.vec3ApplyQuaternion(this.quaternion,e,qn),re.mulVec3Scalar(qn,t,$n),re.addVec3(this.position,$n,this.position),this._setLocalMatrixDirty(),this._setAABBDirty(),this.glRedraw(),this}},{key:"translateX",value:function(e){return this.translate(Jn,e)}},{key:"translateY",value:function(e){return this.translate(Yn,e)}},{key:"translateZ",value:function(e){return this.translate(Zn,e)}},{key:"type",get:function(){return"Node"}},{key:"destroy",value:function(){if(h(_(i.prototype),"destroy",this).call(this),this._parentNode&&this._parentNode.removeChild(this),this._isObject&&(this.scene._deregisterObject(this),this._visible&&this.scene._objectVisibilityUpdated(this,!1,!1),this._xrayed&&this.scene._objectXRayedUpdated(this,!1,!1),this._selected&&this.scene._objectSelectedUpdated(this,!1,!1),this._highlighted&&this.scene._objectHighlightedUpdated(this,!1,!1),this.scene._objectColorizeUpdated(this,!1),this.scene._objectOpacityUpdated(this,!1),this.offset.some((function(e){return 0!==e}))&&this.scene._objectOffsetUpdated(this,!1)),this._isModel&&this.scene._deregisterModel(this),this._children.length)for(var e=this._children.splice(),t=0,r=e.length;t<r;t++)e[t].destroy();this._children=[],this._setAABBDirty(),this.scene._aabbDirty=!0}}]),i}(),io=function(e){p(i,fr);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({type:"LambertMaterial",ambient:re.vec3([1,1,1]),color:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),alpha:null,alphaMode:0,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:"/lam;"}),r.ambient=s.ambient,r.color=s.color,r.emissive=s.emissive,r.alpha=s.alpha,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r.backfaces=s.backfaces,r.frontface=s.frontface,r}return C(i,[{key:"type",get:function(){return"LambertMaterial"}},{key:"ambient",get:function(){return this._state.ambient},set:function(e){var t=this._state.ambient;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.ambient=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=.2,t[1]=.2,t[2]=.2),this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){var t=this._state.color;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.color=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this._state.alphaMode=e<1?2:0,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),ro={opaque:0,mask:1,blend:2},so=["opaque","mask","blend"],no=function(e){p(i,fr);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({type:"MetallicMaterial",baseColor:re.vec4([1,1,1]),emissive:re.vec4([0,0,0]),metallic:null,roughness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.baseColor=s.baseColor,r.metallic=s.metallic,r.roughness=s.roughness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.baseColorMap&&(r._baseColorMap=r._checkComponent("Texture",s.baseColorMap)),s.metallicMap&&(r._metallicMap=r._checkComponent("Texture",s.metallicMap)),s.roughnessMap&&(r._roughnessMap=r._checkComponent("Texture",s.roughnessMap)),s.metallicRoughnessMap&&(r._metallicRoughnessMap=r._checkComponent("Texture",s.metallicRoughnessMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"MetallicMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/met"];this._baseColorMap&&(t.push("/bm"),this._baseColorMap._state.hasMatrix&&t.push("/mat"),t.push("/"+this._baseColorMap._state.encoding)),this._metallicMap&&(t.push("/mm"),this._metallicMap._state.hasMatrix&&t.push("/mat")),this._roughnessMap&&(t.push("/rm"),this._roughnessMap._state.hasMatrix&&t.push("/mat")),this._metallicRoughnessMap&&(t.push("/mrm"),this._metallicRoughnessMap._state.hasMatrix&&t.push("/mat")),this._emissiveMap&&(t.push("/em"),this._emissiveMap._state.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap._state.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/am"),this._alphaMap._state.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap._state.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"baseColor",get:function(){return this._state.baseColor},set:function(e){var t=this._state.baseColor;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.baseColor=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"baseColorMap",get:function(){return this._baseColorMap}},{key:"metallic",get:function(){return this._state.metallic},set:function(e){e=null!=e?e:1,this._state.metallic!==e&&(this._state.metallic=e,this.glRedraw())}},{key:"metallicMap",get:function(){return this._attached.metallicMap}},{key:"roughness",get:function(){return this._state.roughness},set:function(e){e=null!=e?e:1,this._state.roughness!==e&&(this._state.roughness=e,this.glRedraw())}},{key:"roughnessMap",get:function(){return this._attached.roughnessMap}},{key:"metallicRoughnessMap",get:function(){return this._attached.metallicRoughnessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._attached.emissiveMap}},{key:"occlusionMap",get:function(){return this._attached.occlusionMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._attached.alphaMap}},{key:"normalMap",get:function(){return this._attached.normalMap}},{key:"alphaMode",get:function(){return so[this._state.alphaMode]},set:function(e){var t=ro[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),oo={opaque:0,mask:1,blend:2},ao=["opaque","mask","blend"],lo=function(e){p(i,fr);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({type:"SpecularMaterial",diffuse:re.vec3([1,1,1]),emissive:re.vec3([0,0,0]),specular:re.vec3([1,1,1]),glossiness:null,specularF0:null,alpha:null,alphaMode:null,alphaCutoff:null,lineWidth:null,pointSize:null,backfaces:null,frontface:null,hash:null}),r.diffuse=s.diffuse,r.specular=s.specular,r.glossiness=s.glossiness,r.specularF0=s.specularF0,r.emissive=s.emissive,r.alpha=s.alpha,s.diffuseMap&&(r._diffuseMap=r._checkComponent("Texture",s.diffuseMap)),s.emissiveMap&&(r._emissiveMap=r._checkComponent("Texture",s.emissiveMap)),s.specularMap&&(r._specularMap=r._checkComponent("Texture",s.specularMap)),s.glossinessMap&&(r._glossinessMap=r._checkComponent("Texture",s.glossinessMap)),s.specularGlossinessMap&&(r._specularGlossinessMap=r._checkComponent("Texture",s.specularGlossinessMap)),s.occlusionMap&&(r._occlusionMap=r._checkComponent("Texture",s.occlusionMap)),s.alphaMap&&(r._alphaMap=r._checkComponent("Texture",s.alphaMap)),s.normalMap&&(r._normalMap=r._checkComponent("Texture",s.normalMap)),r.alphaMode=s.alphaMode,r.alphaCutoff=s.alphaCutoff,r.backfaces=s.backfaces,r.frontface=s.frontface,r.lineWidth=s.lineWidth,r.pointSize=s.pointSize,r._makeHash(),r}return C(i,[{key:"type",get:function(){return"SpecularMaterial"}},{key:"_makeHash",value:function(){var e=this._state,t=["/spe"];this._diffuseMap&&(t.push("/dm"),this._diffuseMap.hasMatrix&&t.push("/mat"),t.push("/"+this._diffuseMap.encoding)),this._emissiveMap&&(t.push("/em"),this._emissiveMap.hasMatrix&&t.push("/mat")),this._glossinessMap&&(t.push("/gm"),this._glossinessMap.hasMatrix&&t.push("/mat")),this._specularMap&&(t.push("/sm"),this._specularMap.hasMatrix&&t.push("/mat")),this._specularGlossinessMap&&(t.push("/sgm"),this._specularGlossinessMap.hasMatrix&&t.push("/mat")),this._occlusionMap&&(t.push("/ocm"),this._occlusionMap.hasMatrix&&t.push("/mat")),this._normalMap&&(t.push("/nm"),this._normalMap.hasMatrix&&t.push("/mat")),this._alphaMap&&(t.push("/opm"),this._alphaMap.hasMatrix&&t.push("/mat")),t.push(";"),e.hash=t.join("")}},{key:"diffuse",get:function(){return this._state.diffuse},set:function(e){var t=this._state.diffuse;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.diffuse=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"diffuseMap",get:function(){return this._diffuseMap}},{key:"specular",get:function(){return this._state.specular},set:function(e){var t=this._state.specular;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.specular=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=1,t[1]=1,t[2]=1),this.glRedraw()}},{key:"specularMap",get:function(){return this._specularMap}},{key:"specularGlossinessMap",get:function(){return this._specularGlossinessMap}},{key:"glossiness",get:function(){return this._state.glossiness},set:function(e){e=null!=e?e:1,this._state.glossiness!==e&&(this._state.glossiness=e,this.glRedraw())}},{key:"glossinessMap",get:function(){return this._glossinessMap}},{key:"specularF0",get:function(){return this._state.specularF0},set:function(e){e=null!=e?e:0,this._state.specularF0!==e&&(this._state.specularF0=e,this.glRedraw())}},{key:"emissive",get:function(){return this._state.emissive},set:function(e){var t=this._state.emissive;if(t){if(e&&t[0]===e[0]&&t[1]===e[1]&&t[2]===e[2])return}else t=this._state.emissive=new Float32Array(3);e?(t[0]=e[0],t[1]=e[1],t[2]=e[2]):(t[0]=0,t[1]=0,t[2]=0),this.glRedraw()}},{key:"emissiveMap",get:function(){return this._emissiveMap}},{key:"alpha",get:function(){return this._state.alpha},set:function(e){e=null!=e?e:1,this._state.alpha!==e&&(this._state.alpha=e,this.glRedraw())}},{key:"alphaMap",get:function(){return this._alphaMap}},{key:"normalMap",get:function(){return this._normalMap}},{key:"occlusionMap",get:function(){return this._occlusionMap}},{key:"alphaMode",get:function(){return ao[this._state.alphaMode]},set:function(e){var t=oo[e=e||"opaque"];void 0===t&&(this.error("Unsupported value for 'alphaMode': "+e+" defaulting to 'opaque'"),t="opaque"),this._state.alphaMode!==t&&(this._state.alphaMode=t,this.glRedraw())}},{key:"alphaCutoff",get:function(){return this._state.alphaCutoff},set:function(e){null==e&&(e=.5),this._state.alphaCutoff!==e&&(this._state.alphaCutoff=e)}},{key:"backfaces",get:function(){return this._state.backfaces},set:function(e){e=!!e,this._state.backfaces!==e&&(this._state.backfaces=e,this.glRedraw())}},{key:"frontface",get:function(){return this._state.frontface?"ccw":"cw"},set:function(e){e="cw"!==e,this._state.frontface!==e&&(this._state.frontface=e,this.glRedraw())}},{key:"lineWidth",get:function(){return this._state.lineWidth},set:function(e){this._state.lineWidth=e||1,this.glRedraw()}},{key:"pointSize",get:function(){return this._state.pointSize},set:function(e){this._state.pointSize=e||1,this.glRedraw()}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}();function uo(e,t){var i,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,s=t;if(1009===s)return e.UNSIGNED_BYTE;if(1017===s)return e.UNSIGNED_SHORT_4_4_4_4;if(1018===s)return e.UNSIGNED_SHORT_5_5_5_1;if(1010===s)return e.BYTE;if(1011===s)return e.SHORT;if(1012===s)return e.UNSIGNED_SHORT;if(1013===s)return e.INT;if(1014===s)return e.UNSIGNED_INT;if(1015===s)return e.FLOAT;if(1016===s)return e.HALF_FLOAT;if(1021===s)return e.ALPHA;if(1023===s)return e.RGBA;if(1024===s)return e.LUMINANCE;if(1025===s)return e.LUMINANCE_ALPHA;if(1026===s)return e.DEPTH_COMPONENT;if(1027===s)return e.DEPTH_STENCIL;if(1028===s)return e.RED;if(1022===s)return e.RGBA;if(1029===s)return e.RED_INTEGER;if(1030===s)return e.RG;if(1031===s)return e.RG_INTEGER;if(1033===s)return e.RGBA_INTEGER;if(33776===s||33777===s||33778===s||33779===s)if(3001===r){var n=Ci(e,"WEBGL_compressed_texture_s3tc_srgb");if(null===n)return null;if(33776===s)return n.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===s)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(null===(i=Ci(e,"WEBGL_compressed_texture_s3tc")))return null;if(33776===s)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===s)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===s)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===s)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===s||35841===s||35842===s||35843===s){var o=Ci(e,"WEBGL_compressed_texture_pvrtc");if(null===o)return null;if(35840===s)return o.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===s)return o.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===s)return o.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===s)return o.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===s){var a=Ci(e,"WEBGL_compressed_texture_etc1");return null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null}if(37492===s||37496===s){var l=Ci(e,"WEBGL_compressed_texture_etc");if(null===l)return null;if(37492===s)return 3001===r?l.COMPRESSED_SRGB8_ETC2:l.COMPRESSED_RGB8_ETC2;if(37496===s)return 3001===r?l.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:l.COMPRESSED_RGBA8_ETC2_EAC}if(37808===s||37809===s||37810===s||37811===s||37812===s||37813===s||37814===s||37815===s||37816===s||37817===s||37818===s||37819===s||37820===s||37821===s){var u=Ci(e,"WEBGL_compressed_texture_astc");if(null===u)return null;if(37808===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:u.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:u.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:u.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:u.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:u.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:u.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:u.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:u.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:u.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:u.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:u.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:u.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:u.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===s)return 3001===r?u.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:u.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===s){var c=Ci(e,"EXT_texture_compression_bptc");if(null===c)return null;if(36492===s)return 3001===r?c.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:c.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===s?e.UNSIGNED_INT_24_8:1e3===s?e.REPEAT:1001===s?e.CLAMP_TO_EDGE:1004===s||1005===s?e.NEAREST_MIPMAP_LINEAR:1007===s?e.LINEAR_MIPMAP_NEAREST:1008===s?e.LINEAR_MIPMAP_LINEAR:1003===s?e.NEAREST:1006===s?e.LINEAR:null}var co=new Uint8Array([0,0,0,1]),Ao=function(){function e(t){var i=t.gl,r=t.target,s=t.format,n=t.type,o=t.wrapS,a=t.wrapT,l=t.wrapR,u=t.encoding,c=t.preloadColor,A=t.premultiplyAlpha,h=t.flipY;P(this,e),this.gl=i,this.target=r||i.TEXTURE_2D,this.format=s||1023,this.type=n||1009,this.internalFormat=null,this.premultiplyAlpha=!!A,this.flipY=!!h,this.unpackAlignment=4,this.wrapS=o||1e3,this.wrapT=a||1e3,this.wrapR=l||1e3,this.encoding=u||3001,this.texture=i.createTexture(),c&&this.setPreloadColor(c),this.allocated=!0}return C(e,[{key:"setPreloadColor",value:function(e){e?(co[0]=Math.floor(255*e[0]),co[1]=Math.floor(255*e[1]),co[2]=Math.floor(255*e[2]),co[3]=Math.floor(255*(void 0!==e[3]?e[3]:1))):(co[0]=0,co[1]=0,co[2]=0,co[3]=255);var t=this.gl;if(t.bindTexture(this.target,this.texture),this.target===t.TEXTURE_CUBE_MAP)for(var i=[t.TEXTURE_CUBE_MAP_POSITIVE_X,t.TEXTURE_CUBE_MAP_NEGATIVE_X,t.TEXTURE_CUBE_MAP_POSITIVE_Y,t.TEXTURE_CUBE_MAP_NEGATIVE_Y,t.TEXTURE_CUBE_MAP_POSITIVE_Z,t.TEXTURE_CUBE_MAP_NEGATIVE_Z],r=0,s=i.length;r<s;r++)t.texImage2D(i[r],0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,co);else t.texImage2D(this.target,0,t.RGBA,1,1,0,t.RGBA,t.UNSIGNED_BYTE,co);t.bindTexture(this.target,null)}},{key:"setTarget",value:function(e){this.target=e||this.gl.TEXTURE_2D}},{key:"setImage",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.gl;void 0!==t.format&&(this.format=t.format),void 0!==t.internalFormat&&(this.internalFormat=t.internalFormat),void 0!==t.encoding&&(this.encoding=t.encoding),void 0!==t.type&&(this.type=t.type),void 0!==t.flipY&&(this.flipY=t.flipY),void 0!==t.premultiplyAlpha&&(this.premultiplyAlpha=t.premultiplyAlpha),void 0!==t.unpackAlignment&&(this.unpackAlignment=t.unpackAlignment),void 0!==t.minFilter&&(this.minFilter=t.minFilter),void 0!==t.magFilter&&(this.magFilter=t.magFilter),void 0!==t.wrapS&&(this.wrapS=t.wrapS),void 0!==t.wrapT&&(this.wrapT=t.wrapT),void 0!==t.wrapR&&(this.wrapR=t.wrapR);var r=!1;i.bindTexture(this.target,this.texture);var s=i.getParameter(i.UNPACK_FLIP_Y_WEBGL);i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,this.flipY);var n=i.getParameter(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL);i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha);var o=i.getParameter(i.UNPACK_ALIGNMENT);i.pixelStorei(i.UNPACK_ALIGNMENT,this.unpackAlignment);var a=i.getParameter(i.UNPACK_COLORSPACE_CONVERSION_WEBGL);i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,i.NONE);var l=uo(i,this.minFilter);i.texParameteri(this.target,i.TEXTURE_MIN_FILTER,l),l!==i.NEAREST_MIPMAP_NEAREST&&l!==i.LINEAR_MIPMAP_NEAREST&&l!==i.NEAREST_MIPMAP_LINEAR&&l!==i.LINEAR_MIPMAP_LINEAR||(r=!0);var u=uo(i,this.magFilter);u&&i.texParameteri(this.target,i.TEXTURE_MAG_FILTER,u);var c=uo(i,this.wrapS);c&&i.texParameteri(this.target,i.TEXTURE_WRAP_S,c);var A=uo(i,this.wrapT);A&&i.texParameteri(this.target,i.TEXTURE_WRAP_T,A);var h=uo(i,this.format,this.encoding),d=uo(i,this.type),p=ho(i,this.internalFormat,h,d,this.encoding,!1);if(this.target===i.TEXTURE_CUBE_MAP){if(he.isArray(e))for(var f=e,v=[i.TEXTURE_CUBE_MAP_POSITIVE_X,i.TEXTURE_CUBE_MAP_NEGATIVE_X,i.TEXTURE_CUBE_MAP_POSITIVE_Y,i.TEXTURE_CUBE_MAP_NEGATIVE_Y,i.TEXTURE_CUBE_MAP_POSITIVE_Z,i.TEXTURE_CUBE_MAP_NEGATIVE_Z],g=0,m=v.length;g<m;g++)i.texImage2D(v[g],0,p,h,d,f[g])}else i.texImage2D(i.TEXTURE_2D,0,p,h,d,e);r&&i.generateMipmap(this.target),i.bindTexture(this.target,null),i.pixelStorei(i.UNPACK_FLIP_Y_WEBGL,s),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n),i.pixelStorei(i.UNPACK_ALIGNMENT,o),i.pixelStorei(i.UNPACK_COLORSPACE_CONVERSION_WEBGL,a)}},{key:"setCompressedData",value:function(e){var t=e.mipmaps,i=e.props,r=void 0===i?{}:i,s=this.gl,n=t.length;void 0!==r.format&&(this.format=r.format),void 0!==r.internalFormat&&(this.internalFormat=r.internalFormat),void 0!==r.encoding&&(this.encoding=r.encoding),void 0!==r.type&&(this.type=r.type),void 0!==r.flipY&&(this.flipY=r.flipY),void 0!==r.premultiplyAlpha&&(this.premultiplyAlpha=r.premultiplyAlpha),void 0!==r.unpackAlignment&&(this.unpackAlignment=r.unpackAlignment),void 0!==r.minFilter&&(this.minFilter=r.minFilter),void 0!==r.magFilter&&(this.magFilter=r.magFilter),void 0!==r.wrapS&&(this.wrapS=r.wrapS),void 0!==r.wrapT&&(this.wrapT=r.wrapT),void 0!==r.wrapR&&(this.wrapR=r.wrapR),s.activeTexture(s.TEXTURE0+0),s.bindTexture(this.target,this.texture);var o=t.length>1;s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL,this.flipY),s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),s.pixelStorei(s.UNPACK_ALIGNMENT,this.unpackAlignment),s.pixelStorei(s.UNPACK_COLORSPACE_CONVERSION_WEBGL,s.NONE);var a=uo(s,this.wrapS);a&&s.texParameteri(this.target,s.TEXTURE_WRAP_S,a);var l=uo(s,this.wrapT);if(l&&s.texParameteri(this.target,s.TEXTURE_WRAP_T,l),this.type===s.TEXTURE_3D||this.type===s.TEXTURE_2D_ARRAY){var u=uo(s,this.wrapR);u&&s.texParameteri(this.target,s.TEXTURE_WRAP_R,u),s.texParameteri(this.type,s.TEXTURE_WRAP_R,u)}o?(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,po(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,po(s,this.magFilter))):(s.texParameteri(this.target,s.TEXTURE_MIN_FILTER,uo(s,this.minFilter)),s.texParameteri(this.target,s.TEXTURE_MAG_FILTER,uo(s,this.magFilter)));var c=uo(s,this.format,this.encoding),A=uo(s,this.type),h=ho(s,this.internalFormat,c,A,this.encoding,!1);s.texStorage2D(s.TEXTURE_2D,n,h,t[0].width,t[0].height);for(var d=0,p=t.length;d<p;d++){var f=t[d];1023!==this.format?null!==c?s.compressedTexSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,c,f.data):console.warn("Attempt to load unsupported compressed texture format in .setCompressedData()"):s.texSubImage2D(s.TEXTURE_2D,d,0,0,f.width,f.height,c,A,f.data)}s.bindTexture(this.target,null)}},{key:"setProps",value:function(e){var t=this.gl;t.bindTexture(this.target,this.texture),this._uploadProps(e),t.bindTexture(this.target,null)}},{key:"_uploadProps",value:function(e){var t=this.gl;if(void 0!==e.format&&(this.format=e.format),void 0!==e.internalFormat&&(this.internalFormat=e.internalFormat),void 0!==e.encoding&&(this.encoding=e.encoding),void 0!==e.type&&(this.type=e.type),void 0!==e.minFilter){var i=uo(t,e.minFilter);i&&(this.minFilter=e.minFilter,t.texParameteri(this.target,t.TEXTURE_MIN_FILTER,i),i!==t.NEAREST_MIPMAP_NEAREST&&i!==t.LINEAR_MIPMAP_NEAREST&&i!==t.NEAREST_MIPMAP_LINEAR&&i!==t.LINEAR_MIPMAP_LINEAR||t.generateMipmap(this.target))}if(void 0!==e.magFilter){var r=uo(t,e.magFilter);r&&(this.magFilter=e.magFilter,t.texParameteri(this.target,t.TEXTURE_MAG_FILTER,r))}if(void 0!==e.wrapS){var s=uo(t,e.wrapS);s&&(this.wrapS=e.wrapS,t.texParameteri(this.target,t.TEXTURE_WRAP_S,s))}if(void 0!==e.wrapT){var n=uo(t,e.wrapT);n&&(this.wrapT=e.wrapT,t.texParameteri(this.target,t.TEXTURE_WRAP_T,n))}}},{key:"bind",value:function(e){if(this.allocated){if(this.texture){var t=this.gl;return t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,this.texture),!0}return!1}}},{key:"unbind",value:function(e){if(this.allocated&&this.texture){var t=this.gl;t.activeTexture(t["TEXTURE"+e]),t.bindTexture(this.target,null)}}},{key:"destroy",value:function(){this.allocated&&this.texture&&(this.gl.deleteTexture(this.texture),this.texture=null)}}]),e}();function ho(e,t,i,r,s){var n=arguments.length>5&&void 0!==arguments[5]&&arguments[5];if(null!==t){if(void 0!==e[t])return e[t];console.warn("Attempt to use non-existing WebGL internal format '"+t+"'")}var o=i;return i===e.RED&&(r===e.FLOAT&&(o=e.R32F),r===e.HALF_FLOAT&&(o=e.R16F),r===e.UNSIGNED_BYTE&&(o=e.R8)),i===e.RG&&(r===e.FLOAT&&(o=e.RG32F),r===e.HALF_FLOAT&&(o=e.RG16F),r===e.UNSIGNED_BYTE&&(o=e.RG8)),i===e.RGBA&&(r===e.FLOAT&&(o=e.RGBA32F),r===e.HALF_FLOAT&&(o=e.RGBA16F),r===e.UNSIGNED_BYTE&&(o=3001===s&&!1===n?e.SRGB8_ALPHA8:e.RGBA8),r===e.UNSIGNED_SHORT_4_4_4_4&&(o=e.RGBA4),r===e.UNSIGNED_SHORT_5_5_5_1&&(o=e.RGB5_A1)),o!==e.R16F&&o!==e.R32F&&o!==e.RG16F&&o!==e.RG32F&&o!==e.RGBA16F&&o!==e.RGBA32F||Ci(e,"EXT_color_buffer_float"),o}function po(e,t){return 1003===t||1004===t||1005===t?e.NEAREST:e.LINEAR}function fo(e){if(!vo(e.width)||!vo(e.height)){var t=document.createElement("canvas");t.width=go(e.width),t.height=go(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}function vo(e){return 0==(e&e-1)}function go(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var mo=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({texture:new Ao({gl:r.scene.canvas.gl}),matrix:re.identityMat4(),hasMatrix:s.translate&&(0!==s.translate[0]||0!==s.translate[1])||!!s.rotate||s.scale&&(0!==s.scale[0]||0!==s.scale[1]),minFilter:r._checkMinFilter(s.minFilter),magFilter:r._checkMagFilter(s.magFilter),wrapS:r._checkWrapS(s.wrapS),wrapT:r._checkWrapT(s.wrapT),flipY:r._checkFlipY(s.flipY),encoding:r._checkEncoding(s.encoding)}),r._src=null,r._image=null,r._translate=re.vec2([0,0]),r._scale=re.vec2([1,1]),r._rotate=re.vec2([0,0]),r._matrixDirty=!1,r.translate=s.translate,r.scale=s.scale,r.rotate=s.rotate,s.src?r.src=s.src:s.image&&(r.image=s.image),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"Texture"}},{key:"_checkMinFilter",value:function(e){return 1006!==(e=e||1008)&&1007!==e&&1008!==e&&1005!==e&&1004!==e&&(this.error("Unsupported value for 'minFilter' - supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, NearestMipMapLinearFilter and LinearMipMapLinearFilter. Defaulting to LinearMipMapLinearFilter."),e=1008),e}},{key:"_checkMagFilter",value:function(e){return 1006!==(e=e||1006)&&1003!==e&&(this.error("Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),e=1006),e}},{key:"_checkWrapS",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkWrapT",value:function(e){return 1001!==(e=e||1e3)&&1002!==e&&1e3!==e&&(this.error("Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),e=1e3),e}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this._state.texture=new Ao({gl:this.scene.canvas.gl}),this._image?this.image=this._image:this._src&&(this.src=this._src)}},{key:"_update",value:function(){var e,t,i=this._state;this._matrixDirty&&(0===this._translate[0]&&0===this._translate[1]||(e=re.translationMat4v([this._translate[0],this._translate[1],0],this._state.matrix)),1===this._scale[0]&&1===this._scale[1]||(t=re.scalingMat4v([this._scale[0],this._scale[1],1]),e=e?re.mulMat4(e,t):t),0!==this._rotate&&(t=re.rotationMat4v(.0174532925*this._rotate,[0,0,1]),e=e?re.mulMat4(e,t):t),e&&(i.matrix=e),this._matrixDirty=!1);this.glRedraw()}},{key:"image",get:function(){return this._image},set:function(e){this._image=fo(e),this._image.crossOrigin="Anonymous",this._state.texture.setImage(this._image,this._state),this._src=null,this.glRedraw()}},{key:"src",get:function(){return this._src},set:function(e){this.scene.loading++,this.scene.canvas.spinner.processes++;var t=this,i=new Image;i.onload=function(){i=fo(i),t._state.texture.setImage(i,t._state),t.scene.loading--,t.glRedraw(),t.scene.canvas.spinner.processes--},i.src=e,this._src=e,this._image=null}},{key:"translate",get:function(){return this._translate},set:function(e){this._translate.set(e||[0,0]),this._matrixDirty=!0,this._needUpdate()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1]),this._matrixDirty=!0,this._needUpdate()}},{key:"rotate",get:function(){return this._rotate},set:function(e){e=e||0,this._rotate!==e&&(this._rotate=e,this._matrixDirty=!0,this._needUpdate())}},{key:"minFilter",get:function(){return this._state.minFilter}},{key:"magFilter",get:function(){return this._state.magFilter}},{key:"wrapS",get:function(){return this._state.wrapS}},{key:"wrapT",get:function(){return this._state.wrapT}},{key:"flipY",get:function(){return this._state.flipY}},{key:"encoding",get:function(){return this._state.encoding}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),this._state.destroy(),ae.memory.textures--}}]),i}(),_o=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._state=new Ii({edgeColor:re.vec3([0,0,0]),centerColor:re.vec3([1,1,1]),edgeBias:0,centerBias:1,power:1}),r.edgeColor=s.edgeColor,r.centerColor=s.centerColor,r.edgeBias=s.edgeBias,r.centerBias=s.centerBias,r.power=s.power,r}return C(i,[{key:"type",get:function(){return"Fresnel"}},{key:"edgeColor",get:function(){return this._state.edgeColor},set:function(e){this._state.edgeColor.set(e||[0,0,0]),this.glRedraw()}},{key:"centerColor",get:function(){return this._state.centerColor},set:function(e){this._state.centerColor.set(e||[1,1,1]),this.glRedraw()}},{key:"edgeBias",get:function(){return this._state.edgeBias},set:function(e){this._state.edgeBias=e||0,this.glRedraw()}},{key:"centerBias",get:function(){return this._state.centerBias},set:function(e){this._state.centerBias=null!=e?e:1,this.glRedraw()}},{key:"power",get:function(){return this._state.power},set:function(e){this._state.power=null!=e?e:1,this.glRedraw()}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.destroy()}}]),i}(),yo=ae.memory,bo=re.AABB3(),Bo=function(e){p(i,ir);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s))._state=new Ii({compressGeometry:!0,primitive:null,primitiveName:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,positionsBuf:null,normalsBuf:null,colorsbuf:null,uvBuf:null,indicesBuf:null,hash:""}),r._numTriangles=0,r._edgeThreshold=s.edgeThreshold||10,r._aabb=null,r._obb=re.OBB3();var n,o=r._state,a=r.scene.canvas.gl;switch(s.primitive=s.primitive||"triangles",s.primitive){case"points":o.primitive=a.POINTS,o.primitiveName=s.primitive;break;case"lines":o.primitive=a.LINES,o.primitiveName=s.primitive;break;case"line-loop":o.primitive=a.LINE_LOOP,o.primitiveName=s.primitive;break;case"line-strip":o.primitive=a.LINE_STRIP,o.primitiveName=s.primitive;break;case"triangles":o.primitive=a.TRIANGLES,o.primitiveName=s.primitive;break;case"triangle-strip":o.primitive=a.TRIANGLE_STRIP,o.primitiveName=s.primitive;break;case"triangle-fan":o.primitive=a.TRIANGLE_FAN,o.primitiveName=s.primitive;break;default:r.error("Unsupported value for 'primitive': '"+s.primitive+"' - supported values are 'points', 'lines', 'line-loop', 'line-strip', 'triangles', 'triangle-strip' and 'triangle-fan'. Defaulting to 'triangles'."),o.primitive=a.TRIANGLES,o.primitiveName=s.primitive}if(!s.positions)return r.error("Config expected: positions"),g(r);if(!s.indices)return r.error("Config expected: indices"),g(r);var l=s.positionsDecodeMatrix;if(l);else{var u=cr.getPositionsBounds(s.positions),c=cr.compressPositions(s.positions,u.min,u.max);n=c.quantized,o.positionsDecodeMatrix=c.decodeMatrix,o.positionsBuf=new ci(a,a.ARRAY_BUFFER,n,n.length,3,a.STATIC_DRAW),yo.positions+=o.positionsBuf.numItems,re.positions3ToAABB3(s.positions,r._aabb),re.positions3ToAABB3(n,bo,o.positionsDecodeMatrix),re.AABB3ToOBB3(bo,r._obb)}if(s.colors){var A=s.colors.constructor===Float32Array?s.colors:new Float32Array(s.colors);o.colorsBuf=new ci(a,a.ARRAY_BUFFER,A,A.length,4,a.STATIC_DRAW),yo.colors+=o.colorsBuf.numItems}if(s.uv){var h=cr.getUVBounds(s.uv),d=cr.compressUVs(s.uv,h.min,h.max),p=d.quantized;o.uvDecodeMatrix=d.decodeMatrix,o.uvBuf=new ci(a,a.ARRAY_BUFFER,p,p.length,2,a.STATIC_DRAW),yo.uvs+=o.uvBuf.numItems}if(s.normals){var f=cr.compressNormals(s.normals),v=o.compressGeometry;o.normalsBuf=new ci(a,a.ARRAY_BUFFER,f,f.length,3,a.STATIC_DRAW,v),yo.normals+=o.normalsBuf.numItems}var m=s.indices.constructor===Uint32Array||s.indices.constructor===Uint16Array?s.indices:new Uint32Array(s.indices);o.indicesBuf=new ci(a,a.ELEMENT_ARRAY_BUFFER,m,m.length,1,a.STATIC_DRAW),yo.indices+=o.indicesBuf.numItems;var _=rr(n,m,o.positionsDecodeMatrix,r._edgeThreshold);return r._edgeIndicesBuf=new ci(a,a.ELEMENT_ARRAY_BUFFER,_,_.length,1,a.STATIC_DRAW),"triangles"===r._state.primitiveName&&(r._numTriangles=s.indices.length/3),r._buildHash(),yo.meshes++,r}return C(i,[{key:"type",get:function(){return"VBOGeometry"}},{key:"isVBOGeometry",get:function(){return!0}},{key:"_buildHash",value:function(){var e=this._state,t=["/g"];t.push("/"+e.primitive+";"),e.positionsBuf&&t.push("p"),e.colorsBuf&&t.push("c"),(e.normalsBuf||e.autoVertexNormals)&&t.push("n"),e.uvBuf&&t.push("u"),t.push("cp"),t.push(";"),e.hash=t.join("")}},{key:"_getEdgeIndices",value:function(){return this._edgeIndicesBuf}},{key:"primitive",get:function(){return this._state.primitiveName}},{key:"aabb",get:function(){return this._aabb}},{key:"obb",get:function(){return this._obb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"_getState",value:function(){return this._state}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this);var e=this._state;e.indicesBuf&&e.indicesBuf.destroy(),e.positionsBuf&&e.positionsBuf.destroy(),e.normalsBuf&&e.normalsBuf.destroy(),e.uvBuf&&e.uvBuf.destroy(),e.colorsBuf&&e.colorsBuf.destroy(),this._edgeIndicesBuf&&this._edgeIndicesBuf.destroy(),e.destroy(),yo.meshes--}}]),i}(),wo={};function Po(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("load3DSGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("load3DSGeometry: no data loaded"),s.processes--,r());var n=wo.parse.from3DS(e).edit.objects[0].mesh,o=n.vertices,a=n.uvt,l=n.indices;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:null,uv:a,indices:l}))}),(function(e){console.error("load3DSGeometry: "+e),s.processes--,r()}))}))}function xo(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return new Promise((function(i,r){t.src||(console.error("loadOBJGeometry: Parameter expected: src"),r());var s=e.canvas.spinner;s.processes++,he.loadArraybuffer(t.src,(function(e){e.byteLength||(console.error("loadOBJGeometry: no data loaded"),s.processes--,r());for(var n=wo.parse.fromOBJ(e),o=wo.edit.unwrap(n.i_verts,n.c_verts,3),a=wo.edit.unwrap(n.i_norms,n.c_norms,3),l=wo.edit.unwrap(n.i_uvt,n.c_uvt,2),u=new Int32Array(n.i_verts.length),c=0;c<n.i_verts.length;c++)u[c]=c;s.processes--,i(he.apply(t,{primitive:"triangles",positions:o,normals:a.length>0?a:null,autoNormals:0===a.length,uv:l,indices:u}))}),(function(e){console.error("loadOBJGeometry: "+e),s.processes--,r()}))}))}function Co(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.ySize||1;i<0&&(console.error("negative ySize not allowed - will invert"),i*=-1);var r=e.zSize||1;r<0&&(console.error("negative zSize not allowed - will invert"),r*=-1);var s=e.center,n=s?s[0]:0,o=s?s[1]:0,a=s?s[2]:0,l=-t+n,u=-i+o,c=-r+a,A=t+n,h=i+o,d=r+a;return he.apply(e,{primitive:"lines",positions:[l,u,c,l,u,d,l,h,c,l,h,d,A,u,c,A,u,d,A,h,c,A,h,d],indices:[0,1,1,3,3,2,2,0,4,5,5,7,7,6,6,4,0,4,1,5,2,6,3,7]})}function Mo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return Co({id:e.id,center:[(e.aabb[0]+e.aabb[3])/2,(e.aabb[1]+e.aabb[4])/2,(e.aabb[2]+e.aabb[5])/2],xSize:Math.abs(e.aabb[3]-e.aabb[0])/2,ySize:Math.abs(e.aabb[4]-e.aabb[1])/2,zSize:Math.abs(e.aabb[5]-e.aabb[2])/2})}function Eo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.size||1;t<0&&(console.error("negative size not allowed - will invert"),t*=-1);var i=e.divisions||1;i<0&&(console.error("negative divisions not allowed - will invert"),i*=-1),i<1&&(i=1);for(var r=(t=t||10)/(i=i||10),s=t/2,n=[],o=[],a=0,l=0,u=-s;l<=i;l++,u+=r)n.push(-s),n.push(0),n.push(u),n.push(s),n.push(0),n.push(u),n.push(u),n.push(0),n.push(-s),n.push(u),n.push(0),n.push(s),o.push(a++),o.push(a++),o.push(a++),o.push(a++);return he.apply(e,{primitive:"lines",positions:n,indices:o})}function Fo(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.xSize||1;t<0&&(console.error("negative xSize not allowed - will invert"),t*=-1);var i=e.zSize||1;i<0&&(console.error("negative zSize not allowed - will invert"),i*=-1);var r=e.xSegments||1;r<0&&(console.error("negative xSegments not allowed - will invert"),r*=-1),r<1&&(r=1);var s=e.xSegments||1;s<0&&(console.error("negative zSegments not allowed - will invert"),s*=-1),s<1&&(s=1);var n,o,a,l,u,c,A,h=e.center,d=h?h[0]:0,p=h?h[1]:0,f=h?h[2]:0,v=t/2,g=i/2,m=Math.floor(r)||1,_=Math.floor(s)||1,y=m+1,b=_+1,B=t/m,w=i/_,P=new Float32Array(y*b*3),x=new Float32Array(y*b*3),C=new Float32Array(y*b*2),M=0,E=0;for(n=0;n<b;n++){var F=n*w-g;for(o=0;o<y;o++)a=o*B-v,P[M]=a+d,P[M+1]=p,P[M+2]=-F+f,x[M+2]=-1,C[E]=o/m,C[E+1]=(_-n)/_,M+=3,E+=2}M=0;var k=new(P.length/3>65535?Uint32Array:Uint16Array)(m*_*6);for(n=0;n<_;n++)for(o=0;o<m;o++)l=o+y*n,u=o+y*(n+1),c=o+1+y*(n+1),A=o+1+y*n,k[M]=A,k[M+1]=u,k[M+2]=l,k[M+3]=A,k[M+4]=c,k[M+5]=u,M+=6;return he.apply(e,{positions:P,normals:x,uv:C,indices:k})}function ko(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.radius||1;t<0&&(console.error("negative radius not allowed - will invert"),t*=-1),t*=.5;var i=e.tube||.3;i<0&&(console.error("negative tube not allowed - will invert"),i*=-1);var r=e.radialSegments||32;r<0&&(console.error("negative radialSegments not allowed - will invert"),r*=-1),r<4&&(r=4);var s=e.tubeSegments||24;s<0&&(console.error("negative tubeSegments not allowed - will invert"),s*=-1),s<4&&(s=4);var n=e.arc||2*Math.PI;n<0&&(console.warn("negative arc not allowed - will invert"),n*=-1),n>360&&(n=360);var 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r.name=wo.bin.rASCII0(e,s),s+=r.name.length+1,r.hierarchy=wo.bin.rsl(e,s+4),r},wo.parse.from3DS._edit_object=function(e,t,i){var r={},s=t+6;for(r.name=wo.bin.rASCII0(e,s),s+=r.name.length+1;s<t+i;){var n=wo.bin.rsl(e,s),o=wo.bin.ril(e,s+2);16640==n&&(r.mesh=wo.parse.from3DS._obj_trimesh(e,s,o)),s+=o}return r},wo.parse.from3DS._obj_trimesh=function(e,t,i){for(var r={},s=t+6;s<t+i;){var n=wo.bin.rsl(e,s),o=wo.bin.ril(e,s+2);16656==n&&(r.vertices=wo.parse.from3DS._tri_vertexl(e,s,o)),16672==n&&(r.indices=wo.parse.from3DS._tri_facel1(e,s,o)),16704==n&&(r.uvt=wo.parse.from3DS._tri_mappingcoors(e,s,o)),16736==n&&(r.local=wo.parse.from3DS._tri_local(e,s,o)),s+=o}return r},wo.parse.from3DS._tri_vertexl=function(e,t,i){var r=[],s=t+6,n=wo.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(wo.bin.rf(e,s)),r.push(wo.bin.rf(e,s+4)),r.push(wo.bin.rf(e,s+8)),s+=12;return r},wo.parse.from3DS._tri_facel1=function(e,t,i){var r=[],s=t+6,n=wo.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(wo.bin.rsl(e,s)),r.push(wo.bin.rsl(e,s+2)),r.push(wo.bin.rsl(e,s+4)),s+=8;return r},wo.parse.from3DS._tri_mappingcoors=function(e,t,i){var r=[],s=t+6,n=wo.bin.rsl(e,s);s+=2;for(var o=0;o<n;o++)r.push(wo.bin.rf(e,s)),r.push(1-wo.bin.rf(e,s+4)),s+=8;return r},wo.parse.from3DS._tri_local=function(e,t,i){var r={},s=t+6;return r.X=[wo.bin.rf(e,s),wo.bin.rf(e,s+4),wo.bin.rf(e,s+8)],s+=12,r.Y=[wo.bin.rf(e,s),wo.bin.rf(e,s+4),wo.bin.rf(e,s+8)],s+=12,r.Z=[wo.bin.rf(e,s),wo.bin.rf(e,s+4),wo.bin.rf(e,s+8)],s+=12,r.C=[wo.bin.rf(e,s),wo.bin.rf(e,s+4),wo.bin.rf(e,s+8)],s+=12,r},wo.parse.fromBIV=function(e){e=new Uint8Array(e);var t={},i={};return i.id=wo.bin.ril(e,0),i.verS=wo.bin.ril(e,4),i.texS=wo.bin.ril(e,8),i.indS=wo.bin.ril(e,12),i.verO=wo.bin.ril(e,16),i.verL=wo.bin.ril(e,20),i.texO=wo.bin.ril(e,24),i.texL=wo.bin.ril(e,28),i.indO=wo.bin.ril(e,32),i.indL=wo.bin.ril(e,36),0!=i.verO&&(t.vertices=wo.parse.fromBIV._readFloats(e,i.verO,i.verL)),0!=i.texO&&(t.uvt=wo.parse.fromBIV._readFloats(e,i.texO,i.texL)),0!=i.indO&&(t.indices=wo.parse.fromBIV._readInts(e,i.indO,i.indL,i.indS)),t},wo.parse.toBIV=function(e){for(var t=0,i=0;i<e.indices.length;i++)t=Math.max(t,e.indices[i]);var r=32;t<=65535&&(r=16);var s=40;e.vertices&&(s+=4*e.vertices.length),e.uvt&&(s+=4*e.uvt.length),e.indices&&(s+=e.indices.length*r/8);var n=new Uint8Array(s);wo.bin.wil(n,0,1769365870),wo.bin.wil(n,4,32),wo.bin.wil(n,8,32),wo.bin.wil(n,12,r);var o=40;return e.vertices&&(wo.bin.wil(n,16,o),wo.bin.wil(n,20,4*e.vertices.length),wo.parse.fromBIV._writeFloats(n,o,e.vertices),o+=4*e.vertices.length),e.uvt&&(wo.bin.wil(n,24,o),wo.bin.wil(n,28,4*e.uvt.length),wo.parse.fromBIV._writeFloats(n,o,e.uvt),o+=4*e.uvt.length),e.indices&&(wo.bin.wil(n,32,o),wo.bin.wil(n,36,4*e.indices.length),wo.parse.fromBIV._writeInts(n,o,e.indices,r)),n.buffer},wo.parse.fromBIV._readFloats=function(e,t,i){for(var r=[],s=0;s<i/4;s++)r.push(wo.bin.rf(e,t+4*s));return r},wo.parse.fromBIV._writeFloats=function(e,t,i){for(var r=0;r<i.length;r++)wo.bin.wf(e,t+4*r,i[r])},wo.parse.fromBIV._readInts=function(e,t,i,r){for(var s=[],n=0;n<i/4;n++)16==r&&s.push(wo.bin.rsl(e,t+2*n)),32==r&&s.push(wo.bin.ril(e,t+4*n));return s},wo.parse.fromBIV._writeInts=function(e,t,i,r){for(var s=0;s<i.length;s++)16==r&&wo.bin.wsl(e,t+2*s,i[s]),32==r&&wo.bin.wil(e,t+4*s,i[s])},wo.gen={},wo.gen.Plane=function(e,t,i,r){i||(i=1),r||(r=1);for(var s={verts:[],inds:[],uvt:[]},n=e+1,o=t+1,a=0;a<o;a++)for(var l=0;l<n;l++){var u=l*(2/e)-1,c=a*(2/t)-1;s.verts.push(u,c,0),s.uvt.push(i*l/e,r*a/t),a<t&&l<e&&s.inds.push(a*n+l,a*n+l+1,(a+1)*n+l,a*n+l+1,(a+1)*n+l,(a+1)*n+l+1)}return s},wo.gen.Cube=function(){return{verts:[-1,1,-1,1,1,-1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,-1,1,1,-1,1,-1,1,1,-1,1,-1,-1,-1,1,-1,-1,-1,1,1,1,1,1,-1,1,-1,1,1,-1,-1,-1,1,-1,1,1,-1,-1,1,1,1,1,1,-1,-1,-1,1,-1,-1,-1,-1,1,1,-1,1],inds:[0,1,2,1,2,3,4,5,6,5,6,7,8,9,10,9,10,11,12,13,14,13,14,15,16,17,18,17,18,19,20,21,22,21,22,23],uvt:[1/4,1/4,.5,1/4,1/4,.5,.5,.5,1,1/4,3/4,1/4,1,.5,3/4,.5,0,1/4,1/4,1/4,0,.5,1/4,.5,3/4,1/4,.5,1/4,3/4,.5,.5,.5,1/4,1/4,.5,1/4,1/4,0,.5,0,1/4,.5,.5,.5,1/4,3/4,.5,3/4]}},wo.gen.Sphere=function(e,t){for(var i={verts:[],inds:[],uvt:[]},r=e+1,s=t+1,n=0;n<s;n++)for(var o=0;o<r;o++){var a=-Math.PI/2+n*Math.PI/t,l=2*o*Math.PI/e,u=Math.cos(a)*Math.cos(l),c=Math.sin(a),A=Math.cos(a)*Math.sin(l);i.verts.push(u,c,A),i.uvt.push(o/e,n/t),n<t&&o<e&&i.inds.push(r*n+o,r*n+o+1,r*(n+1)+o,r*n+o+1,r*(n+1)+o,r*(n+1)+o+1)}return i},wo.mat={},wo.mat.scale=function(e,t,i){return[e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1]},wo.mat.translate=function(e,t,i){return[1,0,0,0,0,1,0,0,0,0,1,0,e,t,i,1]},wo.mat.rotateDeg=function(e,t,i){var r=Math.PI/180;return wo.mat.rotate(e*r,t*r,i*r)},wo.mat.rotate=function(e,t,i){var r=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],s=e,n=t,o=i,a=Math.cos(s),l=Math.cos(n),u=Math.cos(o),c=Math.sin(s),A=Math.sin(n),h=Math.sin(o);return r[0]=l*u,r[1]=-l*h,r[2]=A,r[4]=a*h+c*A*u,r[5]=a*u-c*A*h,r[6]=-c*l,r[8]=c*h-a*A*u,r[9]=c*u+a*A*h,r[10]=a*l,r},wo.edit={},wo.edit.interpolate=function(e,t,i,r){for(var s=0;s<e.length;s++)i[s]=e[s]+r*(t[s]-e[s])},wo.edit.transform=function(e,t){for(var i=0;i<e.length;i+=3){var r=e[i],s=e[i+1],n=e[i+2];e[i+0]=t[0]*r+t[4]*s+t[8]*n+t[12],e[i+1]=t[1]*r+t[5]*s+t[9]*n+t[13],e[i+2]=t[2]*r+t[6]*s+t[10]*n+t[14]}},wo.edit.unwrap=function(e,t,i){for(var r=new Array(Math.floor(e.length/3)*i),s=0;s<e.length;s++)for(var n=0;n<i;n++)r[s*i+n]=t[e[s]*i+n];return r},wo.edit.remap=function(e,t,i,r){for(var s=new Array(i.length),n=0;n<e.length;n++)for(var o=0;o<r;o++)s[t[n]*r+o]=i[e[n]*r+o];return s},wo.utils={},wo.utils.getAABB=function(e){var t,i,r,s,n,o;s=n=o=-(t=i=r=999999999);for(var a=0;a<e.length;a+=3){var l=e[a+0],u=e[a+1],c=e[a+2];l<t&&(t=l),l>s&&(s=l),u<i&&(i=u),u>n&&(n=u),c<r&&(r=c),u>o&&(o=c)}return{min:{x:t,y:i,z:r},max:{x:s,y:n,z:o}}};var To=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._type=s.type||(s.src?s.src.split(".").pop():null)||"jpg",r._pos=re.vec3(s.pos||[0,0,0]),r._up=re.vec3(s.up||[0,1,0]),r._normal=re.vec3(s.normal||[0,0,1]),r._height=s.height||1,r._origin=re.vec3(),r._rtcPos=re.vec3(),r._imageSize=re.vec2(),r._texture=new mo(m(r),{flipY:!0}),r._image=new Image,"jpg"!==r._type&&"png"!==r._type&&(r.error('Unsupported type - defaulting to "jpg"'),r._type="jpg"),r._node=new to(m(r),{matrix:re.inverseMat4(re.lookAtMat4v(r._pos,re.subVec3(r._pos,r._normal,re.mat4()),r._up,re.mat4())),children:[r._bitmapMesh=new On(m(r),{scale:[1,1,1],rotation:[-90,0,0],collidable:s.collidable,pickable:s.pickable,opacity:s.opacity,clippable:s.clippable,geometry:new dr(m(r),Fo({center:[0,0,0],xSize:1,zSize:1,xSegments:2,zSegments:2})),material:new mr(m(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0})})]}),s.image?r.image=s.image:s.src?r.src=s.src:s.imageData&&(r.imageData=s.imageData),r.scene._bitmapCreated(m(r)),r}return C(i,[{key:"visible",get:function(){return this._bitmapMesh.visible},set:function(e){this._bitmapMesh.visible=e}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._texture.image=this._image,this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updateBitmapMeshScale())}},{key:"src",get:function(){return this._image.src},set:function(e){var t=this;if(e)switch(this._image.onload=function(){t._texture.image=t._image,t._imageSize[0]=t._image.width,t._imageSize[1]=t._image.height,t._updateBitmapMeshScale()},this._image.src=e,e.split(".").pop()){case"jpeg":case"jpg":this._type="jpg";break;case"png":this._type="png"}}},{key:"imageData",get:function(){var e=document.createElement("canvas"),t=e.getContext("2d");return e.width=this._image.width,e.height=this._image.height,t.drawImage(this._image,0,0),e.toDataURL("jpg"===this._type?"image/jpeg":"image/png")},set:function(e){var t=this;this._image.onload=function(){t._texture.image=image,t._imageSize[0]=image.width,t._imageSize[1]=image.height,t._updateBitmapMeshScale()},this._image.src=e}},{key:"type",get:function(){return this._type},set:function(e){"png"===(e=e||"jpg")&&"jpg"===e||(this.error("Unsupported value for `type` - supported types are `jpg` and `png` - defaulting to `jpg`"),e="jpg"),this._type=e}},{key:"pos",get:function(){return this._pos}},{key:"normal",get:function(){return this._normal}},{key:"up",get:function(){return this._up}},{key:"height",get:function(){return this._height},set:function(e){this._height=null==e?1:e,this._image&&this._updateBitmapMeshScale()}},{key:"collidable",get:function(){return this._bitmapMesh.collidable},set:function(e){this._bitmapMesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._bitmapMesh.clippable},set:function(e){this._bitmapMesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._bitmapMesh.pickable},set:function(e){this._bitmapMesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._bitmapMesh.opacity},set:function(e){this._bitmapMesh.opacity=e}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this.scene._bitmapDestroyed(this)}},{key:"_updateBitmapMeshScale",value:function(){var e=this._imageSize[1]/this._imageSize[0];this._bitmapMesh.scale=[this._height/e,1,this._height]}}]),i}(),Ro=function(e,t){var i=[],r=[];function s(e,i){for(var r,s,n=0;n<3;n++)if((r=t[3*e+n])!==(s=t[3*i+n]))return s-r;return 0}for(var n=e.slice().sort(s),o=null,a=0,l=n.length;a<l;a++)0!==a&&0===s(n[a],n[a-1])||(o=n[a]),i[n[a]]=o;for(var u=0,c=e.length;u<c;u+=3){var A=i[e[u]],h=i[e[u+1]],d=i[e[u+2]],p=A,f=h,v=d;if(A>h&&A>d?h>d?(p=A,f=h,v=d):(p=A,f=d,v=h):h>A&&h>d?A>d?(p=h,f=A,v=d):(p=h,f=d,v=A):d>A&&d>h&&(A>h?(p=d,f=A,v=h):(p=d,f=h,v=A)),r[u+0]=[p,f],r[u+1]=[f,v],p>v){var g=v;v=p,p=g}r[u+2]=[v,p]}function m(e,t){for(var i,r,s=0;s<2;s++)if(i=e[s],(r=t[s])!==i)return r-i;return 0}(r=r.slice(0,e.length)).sort(m);for(var _=0,y=0;y<r.length;y++)if(0===y||0!==m(r[y],r[y-1])){if(0!==y&&2!==_)return!1;_=1}else _++;return!(r.length>0&&2!==_)},Lo=re.vec3(),Uo=re.vec3(),Oo=re.vec3(),No=function(){function e(){P(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0,this.primitive=null}},{key:"setPrimitive",value:function(e){this.primitive=e}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"volume",get:function(){var e=this.vertices,t=this.indices;if("solid"!==this.primitive&&"surface"!==this.primitive&&"triangles"!==this.primitive)return-1;if("solid"!==this.primitive&&!Ro(t,e))return-1;for(var i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];Lo[0]=e[s],Lo[1]=e[s+1],Lo[2]=e[s+2],Uo[0]=e[n],Uo[1]=e[n+1],Uo[2]=e[n+2],Oo[0]=e[o],Oo[1]=e[o+1],Oo[2]=e[o+2],re.cross3Vec3(Lo,Uo,Lo),i+=re.dotVec3(Lo,Oo)}return i/6}}]),e}(),Qo=new No,Vo=re.vec3(),Ho=re.vec3(),jo=re.vec3(),Go=re.vec3(),zo=re.vec3(),Ko=re.vec3(),Wo=function(){function e(){P(this,e),this.vertices=[],this.indices=[],this.reset()}return C(e,[{key:"reset",value:function(){this.lenVertices=0,this.lenIndices=0}},{key:"addVertex",value:function(e){this.vertices[this.lenVertices++]=e[0],this.vertices[this.lenVertices++]=e[1],this.vertices[this.lenVertices++]=e[2]}},{key:"addIndex",value:function(e){this.indices[this.lenIndices++]=e}},{key:"surfaceArea",get:function(){for(var e=this.vertices,t=this.indices,i=0,r=0;r<this.lenIndices;r+=3){var s=3*t[r],n=3*t[r+1],o=3*t[r+2];Vo[0]=e[s],Vo[1]=e[s+1],Vo[2]=e[s+2],Ho[0]=e[n],Ho[1]=e[n+1],Ho[2]=e[n+2],jo[0]=e[o],jo[1]=e[o+1],jo[2]=e[o+2],re.subVec3(Vo,Ho,Go),re.subVec3(jo,Ho,zo),i+=.5*re.lenVec3(re.cross3Vec3(Go,zo,Ko))}return i}}]),e}(),Xo=new Wo,Jo=re.OBB3(),Yo=re.OBB3(),Zo=re.OBB3(),qo=function(){function e(t,i,r,s,n,o){var a=arguments.length>6&&void 0!==arguments[6]?arguments[6]:null,l=arguments.length>7&&void 0!==arguments[7]?arguments[7]:0;P(this,e),this.model=t,this.object=null,this.parent=null,this.transform=n,this.textureSet=o,this._matrixDirty=!1,this._matrixUpdateScheduled=!1,this.id=i,this.obb=null,this._aabbLocal=null,this._aabbWorld=re.AABB3(),this._aabbWorldDirty=!1,this.layer=a,this.portionId=l,this._color=new Uint8Array([r[0],r[1],r[2],s]),this._colorize=new Uint8Array([r[0],r[1],r[2],s]),this._colorizing=!1,this._transparent=s<255,this.numTriangles=0,this.origin=null,this.entity=null,n&&n._addMesh(this),this._volume=null,this._surfaceArea=null}return C(e,[{key:"_sceneModelDirty",value:function(){this._aabbWorldDirty=!0,this.layer.aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty||this._matrixUpdateScheduled||(this.model._meshMatrixDirty(this),this._matrixDirty=!0,this._matrixUpdateScheduled=!0),this._aabbWorldDirty=!0,this.layer.aabbDirty=!0,this.entity&&this.entity._transformDirty()}},{key:"_updateMatrix",value:function(){this.transform&&this._matrixDirty&&this.layer.setMatrix(this.portionId,this.transform.worldMatrix),this._matrixDirty=!1,this._matrixUpdateScheduled=!1}},{key:"_finalize",value:function(e){this.layer.initFlags(this.portionId,e,this._transparent)}},{key:"_finalize2",value:function(){this.layer.flushInitFlags&&this.layer.flushInitFlags()}},{key:"_setVisible",value:function(e){this.layer.setVisible(this.portionId,e,this._transparent)}},{key:"_setColor",value:function(e){this._color[0]=e[0],this._color[1]=e[1],this._color[2]=e[2],this._colorizing||this.layer.setColor(this.portionId,this._color,!1)}},{key:"_setColorize",value:function(e){e?(this._colorize[0]=e[0],this._colorize[1]=e[1],this._colorize[2]=e[2],this.layer.setColor(this.portionId,this._colorize,false),this._colorizing=!0):(this.layer.setColor(this.portionId,this._color,false),this._colorizing=!1)}},{key:"_setOpacity",value:function(e,t){var i=e<255,r=this._transparent!==i;this._color[3]=e,this._colorize[3]=e,this._transparent=i,this._colorizing?this.layer.setColor(this.portionId,this._colorize):this.layer.setColor(this.portionId,this._color),r&&this.layer.setTransparent(this.portionId,t,i)}},{key:"_setOffset",value:function(e){this.layer.setOffset(this.portionId,e)}},{key:"_setHighlighted",value:function(e){this.layer.setHighlighted(this.portionId,e,this._transparent)}},{key:"_setXRayed",value:function(e){this.layer.setXRayed(this.portionId,e,this._transparent)}},{key:"_setSelected",value:function(e){this.layer.setSelected(this.portionId,e,this._transparent)}},{key:"_setEdges",value:function(e){this.layer.setEdges(this.portionId,e,this._transparent)}},{key:"_setClippable",value:function(e){this.layer.setClippable(this.portionId,e,this._transparent)}},{key:"_setCollidable",value:function(e){this.layer.setCollidable(this.portionId,e)}},{key:"_setPickable",value:function(e){this.layer.setPickable(this.portionId,e,this._transparent)}},{key:"_setCulled",value:function(e){this.layer.setCulled(this.portionId,e,this._transparent)}},{key:"canPickTriangle",value:function(){return!1}},{key:"drawPickTriangles",value:function(e,t){}},{key:"pickTriangleSurface",value:function(e){}},{key:"precisionRayPickSurface",value:function(e,t,i,r){return!!this.layer.precisionRayPickSurface&&this.layer.precisionRayPickSurface(this.portionId,e,t,i,r)}},{key:"canPickWorldPos",value:function(){return!0}},{key:"drawPickDepths",value:function(e){this.model.drawPickDepths(e)}},{key:"drawPickNormals",value:function(e){this.model.drawPickNormals(e)}},{key:"delegatePickedEntity",value:function(){return this.parent}},{key:"getEachVertex",value:function(e){this.layer.getEachVertex&&this.layer.getEachVertex(this.portionId,e)}},{key:"getEachIndex",value:function(e){this.layer.getEachIndex&&this.layer.getEachIndex(this.portionId,e)}},{key:"volume",get:function(){if(null!==this._volume)return this._volume;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Qo.reset(),Qo.setPrimitive(this.layer.primitive),this.getEachVertex((function(e){Qo.addVertex(e)})),this.getEachIndex((function(e){Qo.addIndex(e)})),this._volume=Qo.volume;break;default:this._volume=0}return this._volume}},{key:"surfaceArea",get:function(){if(null!==this._surfaceArea)return this._surfaceArea;switch(this.layer.primitive){case"solid":case"surface":case"triangles":Xo.reset(),this.getEachVertex((function(e){Xo.addVertex(e)})),this.getEachIndex((function(e){Xo.addIndex(e)})),this._surfaceArea=Xo.surfaceArea;break;default:this._surfaceArea=0}return this._surfaceArea}},{key:"aabb",get:function(){return this._aabbWorldDirty&&(re.AABB3ToOBB3(this._aabbLocal,Jo),this.transform?(re.transformOBB3(this.transform.worldMatrix,Jo,Yo),re.transformOBB3(this.model.worldMatrix,Yo,Zo),re.OBB3ToAABB3(Zo,this._aabbWorld)):(re.transformOBB3(this.model.worldMatrix,Jo,Yo),re.OBB3ToAABB3(Yo,this._aabbWorld)),this._aabbWorldDirty=!1),this._aabbWorld},set:function(e){if(this._aabbLocal=e,this.origin){this._aabbLocal=e.slice(0);var t=this.origin;this._aabbLocal[0]+=t[0],this._aabbLocal[1]+=t[1],this._aabbLocal[2]+=t[2],this._aabbLocal[3]+=t[0],this._aabbLocal[4]+=t[1],this._aabbLocal[5]+=t[2]}}},{key:"_destroy",value:function(){this.model.scene._renderer.putPickID(this.pickId)}}]),e}(),$o=new(function(){function e(){P(this,e),this._uint8Arrays={},this._float32Arrays={}}return C(e,[{key:"_clear",value:function(){this._uint8Arrays={},this._float32Arrays={}}},{key:"getUInt8Array",value:function(e){var t=this._uint8Arrays[e];return t||(t=new Uint8Array(e),this._uint8Arrays[e]=t),t}},{key:"getFloat32Array",value:function(e){var t=this._float32Arrays[e];return t||(t=new Float32Array(e),this._float32Arrays[e]=t),t}}]),e}()),ea=0;function ta(){return ea++,$o}var ia={NOT_RENDERED:0,COLOR_OPAQUE:1,COLOR_TRANSPARENT:2,SILHOUETTE_HIGHLIGHTED:3,SILHOUETTE_SELECTED:4,SILHOUETTE_XRAYED:5,EDGES_COLOR_OPAQUE:6,EDGES_COLOR_TRANSPARENT:7,EDGES_HIGHLIGHTED:8,EDGES_SELECTED:9,EDGES_XRAYED:10,PICK:11},ra=new Float32Array([1,1,1,1]),sa=new Float32Array([0,0,0,1]),na=re.vec4(),oa=re.vec3(),aa=re.vec3(),la=re.mat4(),ua=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},s=r.instancing,n=void 0!==s&&s,o=r.edges,a=void 0!==o&&o,l=r.useAlphaCutoff,u=void 0!==l&&l;P(this,e),this._scene=t,this._withSAO=i,this._instancing=n,this._edges=a,this._useAlphaCutoff=u,this._hash=this._getHash(),this._matricesUniformBlockBufferBindingPoint=0,this._matricesUniformBlockBuffer=this._scene.canvas.gl.createBuffer(),this._matricesUniformBlockBufferData=new Float32Array(96),this._vaoCache=new WeakMap,this._allocate()}return C(e,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){return[""]}},{key:"_buildFragmentShader",value:function(){return[""]}},{key:"_addMatricesUniformBlockLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return e.push("uniform Matrices {"),e.push("    mat4 worldMatrix;"),e.push("    mat4 viewMatrix;"),e.push("    mat4 projMatrix;"),e.push("    mat4 positionsDecodeMatrix;"),t&&(e.push("    mat4 worldNormalMatrix;"),e.push("    mat4 viewNormalMatrix;")),e.push("};"),e}},{key:"_addRemapClipPosLines",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;return e.push("uniform vec2 drawingBufferSize;"),e.push("uniform vec2 pickClipPos;"),e.push("vec4 remapClipPos(vec4 clipPos) {"),e.push("    clipPos.xy /= clipPos.w;"),1===t?e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"):e.push("    clipPos.xy = (clipPos.xy - pickClipPos) * (drawingBufferSize / float(".concat(t,"));")),e.push("    clipPos.xy *= clipPos.w;"),e.push("    return clipPos;"),e.push("}"),e}},{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"setSectionPlanesStateUniforms",value:function(e){var t=this._scene,i=t.canvas.gl,r=e.model,s=e.layerIndex,n=t._sectionPlanesState.getNumAllocatedSectionPlanes(),o=t._sectionPlanesState.sectionPlanes.length;if(n>0){var a=t._sectionPlanesState.sectionPlanes,l=s*o,u=r.renderFlags;t.crossSections&&(i.uniform4fv(this._uSliceColor,t.crossSections.sliceColor),i.uniform1f(this._uSliceThickness,t.crossSections.sliceThickness));for(var c=0;c<n;c++){var A=this._uSectionPlanes[c];if(A)if(c<o){var h=u.sectionPlanesActivePerLayer[l+c];if(i.uniform1i(A.active,h?1:0),h){var d=a[c],p=e._state.origin;if(p){var f=Je(d.dist,d.dir,p,oa,r.matrix);i.uniform3fv(A.pos,f)}else i.uniform3fv(A.pos,d.pos);i.uniform3fv(A.dir,d.dir)}}else i.uniform1i(A.active,0)}}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uColor=r.getLocation("color"),this._uColor||(this._uColor=r.getLocation("silhouetteColor")),this._uUVDecodeMatrix=r.getLocation("uvDecodeMatrix"),this._uPickInvisible=r.getLocation("pickInvisible"),this._uGammaFactor=r.getLocation("gammaFactor"),t.uniformBlockBinding(r.handle,t.getUniformBlockIndex(r.handle,"Matrices"),this._matricesUniformBlockBufferBindingPoint),this._uShadowViewMatrix=r.getLocation("shadowViewMatrix"),this._uShadowProjMatrix=r.getLocation("shadowProjMatrix"),e.logarithmicDepthBufferEnabled&&(this._uZFar=r.getLocation("zFar")),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}i.reflectionMaps.length>0&&(this._uReflectionMap="reflectionMap"),i.lightMaps.length>0&&(this._uLightMap="lightMap"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._aPosition=r.getAttribute("position"),this._aOffset=r.getAttribute("offset"),this._aNormal=r.getAttribute("normal"),this._aUV=r.getAttribute("uv"),this._aColor=r.getAttribute("color"),this._aMetallicRoughness=r.getAttribute("metallicRoughness"),this._aFlags=r.getAttribute("flags"),this._aPickColor=r.getAttribute("pickColor"),this._uPickZNear=r.getLocation("pickZNear"),this._uPickZFar=r.getLocation("pickZFar"),this._uPickClipPos=r.getLocation("pickClipPos"),this._uDrawingBufferSize=r.getLocation("drawingBufferSize"),this._uColorMap="uColorMap",this._uMetallicRoughMap="uMetallicRoughMap",this._uEmissiveMap="uEmissiveMap",this._uNormalMap="uNormalMap",this._uAOMap="uAOMap",this._instancing&&(this._aModelMatrix=r.getAttribute("modelMatrix"),this._aModelMatrixCol0=r.getAttribute("modelMatrixCol0"),this._aModelMatrixCol1=r.getAttribute("modelMatrixCol1"),this._aModelMatrixCol2=r.getAttribute("modelMatrixCol2"),this._aModelNormalMatrixCol0=r.getAttribute("modelNormalMatrixCol0"),this._aModelNormalMatrixCol1=r.getAttribute("modelNormalMatrixCol1"),this._aModelNormalMatrixCol2=r.getAttribute("modelNormalMatrixCol2")),this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),this._useAlphaCutoff&&(this._alphaCutoffLocation=r.getLocation("materialAlphaCutoff")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),e.pointsMaterial._state.filterIntensity&&(this._uIntensityRange=r.getLocation("intensityRange")),this._uPointSize=r.getLocation("pointSize"),this._uNearPlaneHeight=r.getLocation("nearPlaneHeight"),e.crossSections&&(this._uSliceColor=r.getLocation("sliceColor"),this._uSliceThickness=r.getLocation("sliceThickness"))}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState,n=s.lights;r.bind(),e.textureUnit=0,this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,s.getAmbientColorAndIntensity()),this._uGammaFactor&&i.uniform1f(this._uGammaFactor,t.gammaFactor);for(var o=0,a=n.length;o<a;o++){var l=n[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}}},{key:"_makeVAO",value:function(e){var t=this._scene.canvas.gl,i=t.createVertexArray();return t.bindVertexArray(i),this._instancing&&(this._aModelMatrixCol0.bindArrayBuffer(e.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(e.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(e.modelMatrixCol2Buf),t.vertexAttribDivisor(this._aModelMatrixCol0.location,1),t.vertexAttribDivisor(this._aModelMatrixCol1.location,1),t.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aModelNormalMatrixCol0&&(this._aModelNormalMatrixCol0.bindArrayBuffer(e.modelNormalMatrixCol0Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol0.location,1)),this._aModelNormalMatrixCol1&&(this._aModelNormalMatrixCol1.bindArrayBuffer(e.modelNormalMatrixCol1Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol1.location,1)),this._aModelNormalMatrixCol2&&(this._aModelNormalMatrixCol2.bindArrayBuffer(e.modelNormalMatrixCol2Buf),t.vertexAttribDivisor(this._aModelNormalMatrixCol2.location,1))),this._aPosition.bindArrayBuffer(e.positionsBuf),this._aUV&&this._aUV.bindArrayBuffer(e.uvBuf),this._aNormal&&this._aNormal.bindArrayBuffer(e.normalsBuf),this._aMetallicRoughness&&(this._aMetallicRoughness.bindArrayBuffer(e.metallicRoughnessBuf),this._instancing&&t.vertexAttribDivisor(this._aMetallicRoughness.location,1)),this._aColor&&(this._aColor.bindArrayBuffer(e.colorsBuf),this._instancing&&e.colorsBuf&&t.vertexAttribDivisor(this._aColor.location,1)),this._aFlags&&(this._aFlags.bindArrayBuffer(e.flagsBuf),this._instancing&&t.vertexAttribDivisor(this._aFlags.location,1)),this._aOffset&&(this._aOffset.bindArrayBuffer(e.offsetsBuf),this._instancing&&t.vertexAttribDivisor(this._aOffset.location,1)),this._aPickColor&&(this._aPickColor.bindArrayBuffer(e.pickColorsBuf),this._instancing&&t.vertexAttribDivisor(this._aPickColor.location,1)),this._instancing,this._edges&&e.edgeIndicesBuf?e.edgeIndicesBuf.bind():e.indicesBuf&&e.indicesBuf.bind(),i}},{key:"drawLayer",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},s=r.colorUniform,n=void 0!==s&&s,o=r.incrementDrawState,a=void 0!==o&&o,l=$t.MAX_TEXTURE_IMAGE_UNITS,u=this._scene,c=u.canvas.gl,A=t._state,h=t.model,d=A.textureSet,p=A.origin,f=A.positionsDecodeMatrix,v=u._lightsState,g=u.pointsMaterial,m=h.scene.camera,_=m.viewNormalMatrix,y=m.project,b=e.pickViewMatrix||m.viewMatrix,B=h.position,w=h.rotationMatrix,P=h.worldNormalMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e)),this._vaoCache.has(t)?c.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(A));var x=0,C=16;this._matricesUniformBlockBufferData.set(w,0);var M=0!==p[0]||0!==p[1]||0!==p[2],E=0!==B[0]||0!==B[1]||0!==B[2];if(M||E){var F=oa;if(M){var k=re.transformPoint3(w,p,aa);F[0]=k[0],F[1]=k[1],F[2]=k[2]}else F[0]=0,F[1]=0,F[2]=0;F[0]+=B[0],F[1]+=B[1],F[2]+=B[2],this._matricesUniformBlockBufferData.set(ze(b,F,la),x+=C)}else this._matricesUniformBlockBufferData.set(b,x+=C);if(this._matricesUniformBlockBufferData.set(e.pickProjMatrix||y.matrix,x+=C),this._matricesUniformBlockBufferData.set(f,x+=C),this._matricesUniformBlockBufferData.set(P,x+=C),this._matricesUniformBlockBufferData.set(_,x+=C),c.bindBuffer(c.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),c.bufferData(c.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,c.DYNAMIC_DRAW),c.bindBufferBase(c.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer),c.uniform1i(this._uRenderPass,i),this.setSectionPlanesStateUniforms(t),u.logarithmicDepthBufferEnabled){if(this._uLogDepthBufFC){var I=2/(Math.log(e.pickZFar+1)/Math.LN2);c.uniform1f(this._uLogDepthBufFC,I)}this._uZFar&&c.uniform1f(this._uZFar,u.camera.project.far)}if(this._uPickInvisible&&c.uniform1i(this._uPickInvisible,e.pickInvisible),this._uPickZNear&&c.uniform1f(this._uPickZNear,e.pickZNear),this._uPickZFar&&c.uniform1f(this._uPickZFar,e.pickZFar),this._uPickClipPos&&c.uniform2fv(this._uPickClipPos,e.pickClipPos),this._uDrawingBufferSize&&c.uniform2f(this._uDrawingBufferSize,c.drawingBufferWidth,c.drawingBufferHeight),this._uUVDecodeMatrix&&c.uniformMatrix3fv(this._uUVDecodeMatrix,!1,A.uvDecodeMatrix),this._uIntensityRange&&g.filterIntensity&&c.uniform2f(this._uIntensityRange,g.minIntensity,g.maxIntensity),this._uPointSize&&c.uniform1f(this._uPointSize,g.pointSize),this._uNearPlaneHeight){var D="ortho"===u.camera.projection?1:c.drawingBufferHeight/(2*Math.tan(.5*u.camera.perspective.fov*Math.PI/180));c.uniform1f(this._uNearPlaneHeight,D)}if(d){var S=d.colorTexture,T=d.metallicRoughnessTexture,R=d.emissiveTexture,L=d.normalsTexture,U=d.occlusionTexture;this._uColorMap&&S&&(this._program.bindTexture(this._uColorMap,S.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uMetallicRoughMap&&T&&(this._program.bindTexture(this._uMetallicRoughMap,T.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uEmissiveMap&&R&&(this._program.bindTexture(this._uEmissiveMap,R.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uNormalMap&&L&&(this._program.bindTexture(this._uNormalMap,L.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l),this._uAOMap&&U&&(this._program.bindTexture(this._uAOMap,U.texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l)}if(v.reflectionMaps.length>0&&v.reflectionMaps[0].texture&&this._uReflectionMap&&(this._program.bindTexture(this._uReflectionMap,v.reflectionMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),v.lightMaps.length>0&&v.lightMaps[0].texture&&this._uLightMap&&(this._program.bindTexture(this._uLightMap,v.lightMaps[0].texture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++),this._withSAO){var O=u.sao,N=O.possible;if(N){var Q=c.drawingBufferWidth,V=c.drawingBufferHeight;na[0]=Q,na[1]=V,na[2]=O.blendCutoff,na[3]=O.blendFactor,c.uniform4fv(this._uSAOParams,na),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,e.textureUnit),e.textureUnit=(e.textureUnit+1)%l,e.bindTexture++}}if(this._useAlphaCutoff&&c.uniform1f(this._alphaCutoffLocation,d.alphaCutoff),n){var H=this._edges?"edgeColor":"fillColor",j=this._edges?"edgeAlpha":"fillAlpha";if(i===ia["".concat(this._edges?"EDGES":"SILHOUETTE","_XRAYED")]){var G=u.xrayMaterial._state,z=G[H],K=G[j];c.uniform4f(this._uColor,z[0],z[1],z[2],K)}else if(i===ia["".concat(this._edges?"EDGES":"SILHOUETTE","_HIGHLIGHTED")]){var W=u.highlightMaterial._state,X=W[H],J=W[j];c.uniform4f(this._uColor,X[0],X[1],X[2],J)}else if(i===ia["".concat(this._edges?"EDGES":"SILHOUETTE","_SELECTED")]){var Y=u.selectedMaterial._state,Z=Y[H],q=Y[j];c.uniform4f(this._uColor,Z[0],Z[1],Z[2],q)}else c.uniform4fv(this._uColor,this._edges?sa:ra)}this._draw({state:A,frameCtx:e,incrementDrawState:a}),c.bindVertexArray(null)}}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null,ae.memory.programs--}}]),e}(),ca=function(e){p(i,ua);var t=v(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return P(this,i),t.call(this,e,r,{instancing:!1,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;if(this._edges)i.edgeIndicesBuf&&t.drawElements(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0);else{var n=r.pickElementsCount||i.indicesBuf.numItems,o=r.pickElementsOffset?r.pickElementsOffset*i.indicesBuf.itemByteSize:0;t.drawElements(t.TRIANGLES,n,i.indicesBuf.itemType,o),s&&r.drawElements++}}}]),i}(),Aa=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// Triangles batching draw vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in float flags;"),t.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),s&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),t.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching draw fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):r.push("   outColor            = newColor;"),r.push("}"),r}}]),i}(),ha=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching flat-shading draw vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._lightsState,i=e._sectionPlanesState,r=i.getNumAllocatedSectionPlanes()>0,s=[];if(s.push("#version 300 es"),s.push("// Triangles batching flat-shading draw fragment shader"),s.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),s.push("precision highp float;"),s.push("precision highp int;"),s.push("#else"),s.push("precision mediump float;"),s.push("precision mediump int;"),s.push("#endif"),e.logarithmicDepthBufferEnabled&&(s.push("in float isPerspective;"),s.push("uniform float logDepthBufFC;"),s.push("in float vFragDepth;")),this._withSAO&&(s.push("uniform sampler2D uOcclusionTexture;"),s.push("uniform vec4      uSAOParams;"),s.push("const float       packUpscale = 256. / 255.;"),s.push("const float       unpackDownScale = 255. / 256.;"),s.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),s.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),s.push("float unpackRGBToFloat( const in vec4 v ) {"),s.push("    return dot( v, unPackFactors );"),s.push("}")),r){s.push("in vec4 vWorldPosition;"),s.push("in float vFlags;");for(var n=0,o=i.getNumAllocatedSectionPlanes();n<o;n++)s.push("uniform bool sectionPlaneActive"+n+";"),s.push("uniform vec3 sectionPlanePos"+n+";"),s.push("uniform vec3 sectionPlaneDir"+n+";");s.push("uniform float sliceThickness;"),s.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(s),s.push("uniform vec4 lightAmbient;");for(var a=0,l=t.lights.length;a<l;a++){var u=t.lights[a];"ambient"!==u.type&&(s.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&s.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&s.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(s.push("uniform vec3 lightPos"+a+";"),s.push("uniform vec3 lightDir"+a+";")))}if(s.push("in vec4 vViewPosition;"),s.push("in vec4 vColor;"),s.push("out vec4 outColor;"),s.push("void main(void) {"),s.push("  vec4 newColor;"),s.push("  newColor = vColor;"),r){s.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),s.push("  if (clippable) {"),s.push("  float dist = 0.0;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)s.push("if (sectionPlaneActive"+c+") {"),s.push("   dist += clamp(dot(-sectionPlaneDir"+c+".xyz, vWorldPosition.xyz - sectionPlanePos"+c+".xyz), 0.0, 1000.0);"),s.push("}");s.push("  if (dist > sliceThickness) { "),s.push("      discard;"),s.push("  }"),s.push("  if (dist > 0.0) { "),s.push("      newColor = sliceColor;"),s.push("  }"),s.push("}")}s.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),s.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),s.push("float lambertian = 1.0;"),s.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),s.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),s.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var h=0,d=t.lights.length;h<d;h++){var p=t.lights[h];if("ambient"!==p.type){if("dir"===p.type)"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);");else if("point"===p.type)"view"===p.space?s.push("viewLightDir = -normalize(lightPos"+h+" - viewPosition.xyz);"):s.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+h+", 0.0)).xyz);");else{if("spot"!==p.type)continue;"view"===p.space?s.push("viewLightDir = normalize(lightDir"+h+");"):s.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+h+", 0.0)).xyz);")}s.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),s.push("reflectedColor += lambertian * (lightColor"+h+".rgb * lightColor"+h+".a);")}}return s.push("vec4 fragColor =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(s.push("   float viewportWidth     = uSAOParams[0];"),s.push("   float viewportHeight    = uSAOParams[1];"),s.push("   float blendCutoff       = uSAOParams[2];"),s.push("   float blendFactor       = uSAOParams[3];"),s.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),s.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),s.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):s.push("   outColor            = fragColor;"),e.logarithmicDepthBufferEnabled&&s.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),s.push("}"),s}}]),i}(),da=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, color.a ));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Triangles batching silhouette fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s){for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");n.push("uniform float sliceThickness;"),n.push("uniform vec4 sliceColor;")}if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),n.push("  vec4 newColor;"),n.push("  newColor = vColor;"),s){n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;");for(var o=0,a=r.getNumAllocatedSectionPlanes();o<a;o++)n.push("if (sectionPlaneActive"+o+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > sliceThickness) { "),n.push("      discard;"),n.push("  }"),n.push("  if (dist > 0.0) { "),n.push("      newColor = sliceColor;"),n.push("  }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = newColor;"),n.push("}"),n}}]),i}(),pa=function(e){p(i,ca);var t=v(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!1,edges:!0})}return C(i)}(),fa=function(e){p(i,pa);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),va=function(e){p(i,pa);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry edges drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),ga=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),ma=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),this._addRemapClipPosLines(i),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),_a=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vec3 worldNormal =  octDecode(normal.xy); "),i.push("      vWorldNormal = worldNormal;"),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),ya=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching occlusion vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles batching occlusion fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),ba=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching depth fragment shader"),r.push("precision highp float;"),r.push("precision highp int;"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec2 vHighPrecisionZW;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),r.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),r.push("}"),r}}]),i}(),Ba=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags         = flags;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),wa=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry shadow vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  int colorFlag = int(flags) & 0xF;"),i.push("  bool visible        = (colorFlag > 0);"),i.push("  bool transparent    = ((float(color.a) / 255.0) < 1.0);"),i.push("  if (!visible || transparent) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("      vViewPosition = viewPosition;"),i.push("      gl_Position = shadowProjMatrix * viewPosition;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry shadow fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 encodeFloat( const in float v ) {"),i.push("  const vec4 bitShift = vec4(256 * 256 * 256, 256 * 256, 256, 1.0);"),i.push("  const vec4 bitMask = vec4(0, 1.0 / 256.0, 1.0 / 256.0, 1.0 / 256.0);"),i.push("  vec4 comp = fract(v * bitShift);"),i.push("  comp -= comp.xxyz * bitMask;"),i.push("  return comp;"),i.push("}"),i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    outColor = encodeFloat( gl_FragCoord.z); "),i.push("}"),i}}]),i}(),Pa=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Triangles batching quality draw vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&n.push("worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 worldNormal =  worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),n.push("vec3 viewNormal = normalize((viewNormalMatrix * worldNormal).xyz);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),n.push("vFragDepth = 1.0 + clipPos.w;")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Triangles batching quality draw fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),o.push("uniform sampler2D uAOMap;"),o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)o.push("uniform bool sectionPlaneActive"+c+";"),o.push("uniform vec3 sectionPlanePos"+c+";"),o.push("uniform vec3 sectionPlaneDir"+c+";")}if(o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.x == 0.0 && texel.y == 0.0 && texel.z == 0.0) {"),o.push("              return surf_norm;"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3  diffuseColor;"),o.push("   float specularRoughness;"),o.push("   vec3  specularColor;"),o.push("   float shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = sRGBToLinear(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = sRGBToLinear(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse +=  irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb(vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction =  normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction =  normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction =  normalize(lightDir"+p+");"):o.push("light.direction =  normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("float aoFactor = texture(uAOMap, vUV).r;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor               = vec4(outgoingLight.rgb * ambient * aoFactor, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb * aoFactor, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),xa=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching pick flat normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Triangles batching pick flat normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),Ca=function(e){p(i,ca);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles batching color texture vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Triangles batching color texture fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Ma=re.vec3(),Ea=re.vec3(),Fa=re.vec3(),ka=re.vec3(),Ia=re.mat4(),Da=function(e){p(i,ua);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Ma;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Ea;if(l){var g=Fa;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,Ia),(p=ka)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Sa=re.vec3(),Ta=re.vec3(),Ra=re.vec3(),La=re.vec3(),Ua=re.mat4(),Oa=function(e){p(i,ua);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Sa;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Ta;if(l){var g=Ra;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,Ua),(p=La)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),o.drawElements(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0),a.edgeIndicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Na=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new da(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new ga(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new ma(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Da(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Oa(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Aa(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new Aa(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new ha(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new ha(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Ca(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Ca(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Ca(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Ca(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new Pa(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Pa(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new da(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new ba(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new Ba(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new fa(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new va(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new ga(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new _a(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new xa(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ma(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new ya(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new wa(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Oa(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Da(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Qa={};var Va=65536,Ha=5e6,ja=function(){function e(){P(this,e)}return C(e,[{key:"doublePrecisionEnabled",get:function(){return re.getDoublePrecisionEnabled()},set:function(e){re.setDoublePrecisionEnabled(e)}},{key:"maxDataTextureHeight",get:function(){return Va},set:function(e){(e=1024*Math.ceil(e/1024))>4096?e=4096:e<1024&&(e=1024),Va=e}},{key:"maxGeometryBatchSize",get:function(){return Ha},set:function(e){e<1e5?e=1e5:e>5e6&&(e=5e6),Ha=e}}]),e}(),Ga=new ja,za=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:Ga.maxGeometryBatchSize;P(this,e),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.uv=[],this.metallicRoughness=[],this.normals=[],this.pickColors=[],this.offsets=[],this.indices=[],this.edgeIndices=[]})),Ka=re.mat4(),Wa=re.mat4();function Xa(e,t,i){for(var r=e.length,s=new Uint16Array(r),n=t[0],o=t[1],a=t[2],l=t[3]-n,u=t[4]-o,c=t[5]-a,A=65525,h=A/l,d=A/u,p=A/c,f=function(e){return e>=0?e:0},v=0;v<r;v+=3)s[v+0]=Math.floor(f(e[v+0]-n)*h),s[v+1]=Math.floor(f(e[v+1]-o)*d),s[v+2]=Math.floor(f(e[v+2]-a)*p);return re.identityMat4(Ka),re.translationMat4v(t,Ka),re.identityMat4(Wa),re.scalingMat4v([l/A,u/A,c/A],Wa),re.mulMat4(Ka,Wa,i),s}function Ja(e,t){var i=e[0],r=e[1],s=e[2],n=e[3]-i,o=e[4]-r,a=e[5]-s,l=65525;return re.identityMat4(Ka),re.translationMat4v(e,Ka),re.identityMat4(Wa),re.scalingMat4v([n/l,o/l,a/l],Wa),re.mulMat4(Ka,Wa,t),t}function Ya(e,t,i){var r=e[0]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2])),s=e[1]/(Math.abs(e[0])+Math.abs(e[1])+Math.abs(e[2]));if(e[2]<0){var n,o;n=(1-Math.abs(s))*(r>=0?1:-1),o=(1-Math.abs(r))*(s>=0?1:-1),r=n,s=o}return new Int8Array([Math[t](127.5*r+(r<0?-1:0)),Math[i](127.5*s+(s<0?-1:0))])}function Za(e){var t=e[0],i=e[1];t/=t<0?127:128,i/=i<0?127:128;var r=1-Math.abs(t)-Math.abs(i);r<0&&(t=(1-Math.abs(i))*(t>=0?1:-1),i=(1-Math.abs(t))*(i>=0?1:-1));var s=Math.sqrt(t*t+i*i+r*r);return[t/s,i/s,r/s]}var qa=re.mat4(),$a=re.mat4(),el=re.vec4([0,0,0,1]),tl=re.vec3(),il=re.vec3(),rl=re.vec3(),sl=re.vec3(),nl=re.vec3(),ol=re.vec3(),al=re.vec3(),ll=function(){function e(t){P(this,e),this.model=t.model,this.sortId="TrianglesBatchingLayer"+(t.solid?"-solid":"-surface")+(t.autoNormals?"-autonormals":"-normals")+(t.textureSet&&t.textureSet.colorTexture?"-colorTexture":"")+(t.textureSet&&t.textureSet.metallicRoughnessTexture?"-metallicRoughnessTexture":""),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=Qa[t];return i||(i=new Na(e),Qa[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete Qa[t],i._destroy()}))),i}(t.model.scene),this._buffer=new za(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new Ii({origin:re.vec3(),positionsBuf:null,offsetsBuf:null,normalsBuf:null,colorsBuf:null,uvBuf:null,metallicRoughnessBuf:null,flagsBuf:null,indicesBuf:null,edgeIndicesBuf:null,positionsDecodeMatrix:null,uvDecodeMatrix:null,textureSet:t.textureSet,pbrSupported:!1}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix&&(this._state.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)),t.uvDecodeMatrix?(this._state.uvDecodeMatrix=re.mat3(t.uvDecodeMatrix),this._preCompressedUVsExpected=!0):this._preCompressedUVsExpected=!1,t.origin&&this._state.origin.set(t.origin),this.solid=!!t.solid,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.normals,o=t.normalsCompressed,a=t.uv,l=t.uvCompressed,u=t.colors,c=t.colorsCompressed,A=t.indices,h=t.edgeIndices,d=t.color,p=t.metallic,f=t.roughness,v=t.opacity,g=t.meshMatrix,m=t.pickColor,_=this.model.scene,y=this._buffer,b=y.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._state.positionsDecodeMatrix){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var B=0,w=s.length;B<w;B++)y.positions.push(s[B])}else{if(!r)throw"positions expected";i=r.length/3;for(var P=0,x=r.length;P<x;P++)y.positions.push(r[P])}if(o&&o.length>0)for(var C=0,M=o.length;C<M;C++)y.normals.push(o[C]);else if(n&&n.length>0){var E=qa;g?re.inverseMat4(re.transposeMat4(g,$a),E):re.identityMat4(E,E),function(e,t,i,r,s){function n(e,t){return e[0]*t[0]+e[1]*t[1]+e[2]*t[2]}var o,a,l,u,c,A=new Float32Array([0,0,0,0]),h=new Float32Array([0,0,0,0]);for(c=0;c<i;c+=3)A[0]=t[c],A[1]=t[c+1],A[2]=t[c+2],re.transformVec3(e,A,h),re.normalizeVec3(h,h),a=o=Ya(h,"floor","floor"),l=u=n(h,Za(o)),(l=n(h,Za(o=Ya(h,"ceil","floor"))))>u&&(a=o,u=l),(l=n(h,Za(o=Ya(h,"floor","ceil"))))>u&&(a=o,u=l),(l=n(h,Za(o=Ya(h,"ceil","ceil"))))>u&&(a=o,u=l),r[s+c+0]=a[0],r[s+c+1]=a[1],r[s+c+2]=0}(E,n,n.length,y.normals,y.normals.length)}if(u)for(var F=0,k=u.length;F<k;F+=3)y.colors.push(255*u[F]),y.colors.push(255*u[F+1]),y.colors.push(255*u[F+2]),y.colors.push(255);else if(c)for(var I=0,D=u.length;I<D;I+=3)y.colors.push(u[I]),y.colors.push(u[I+1]),y.colors.push(u[I+2]),y.colors.push(255);else if(d)for(var S=d[0],T=d[1],R=d[2],L=v,U=0;U<i;U++)y.colors.push(S),y.colors.push(T),y.colors.push(R),y.colors.push(L);for(var O=null!=p?p:0,N=null!=f?f:255,Q=0;Q<i;Q++)y.metallicRoughness.push(O),y.metallicRoughness.push(N);if(a&&a.length>0)for(var V=0,H=a.length;V<H;V++)y.uv.push(a[V]);else if(l&&l.length>0)for(var j=0,G=l.length;j<G;j++)y.uv.push(l[j]);for(var z=0,K=A.length;z<K;z++)y.indices.push(b+A[z]);if(h)for(var W=0,X=h.length;W<X;W++)y.edgeIndices.push(b+h[W]);for(var J=y.pickColors.length,Y=J,Z=J+4*i;Y<Z;Y+=4)y.pickColors.push(m[0]),y.pickColors.push(m[1]),y.pickColors.push(m[2]),y.pickColors.push(m[3]);if(_.entityOffsetsEnabled)for(var q=0;q<i;q++)y.offsets.push(0),y.offsets.push(0),y.offsets.push(0);var $=this._portions.length,ee={vertsBaseIndex:b,numVerts:i,indicesBaseIndex:y.indices.length-A.length,numIndices:A.length};return _.readableGeometryEnabled&&(ee.indices=A,_.entityOffsetsEnabled&&(ee.offset=new Float32Array(3))),this._portions.push(ee),this._numPortions++,this.model.numPortions++,this._numVerts+=ee.numVerts,this._meshes.push(e),$}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0){var r=this._state.positionsDecodeMatrix?new Uint16Array(i.positions):Xa(i.positions,this._modelAABB,this._state.positionsDecodeMatrix=re.mat4());if(e.positionsBuf=new ci(t,t.ARRAY_BUFFER,r,r.length,3,t.STATIC_DRAW),this.model.scene.readableGeometryEnabled)for(var s=0,n=this._portions.length;s<n;s++){var o=this._portions[s],a=3*o.vertsBaseIndex,l=a+3*o.numVerts;o.quantizedPositions=r.slice(a,l)}}if(i.normals.length>0){var u=new Int8Array(i.normals);e.normalsBuf=new ci(t,t.ARRAY_BUFFER,u,i.normals.length,3,t.STATIC_DRAW,!0)}if(i.colors.length>0){var c=new Uint8Array(i.colors);e.colorsBuf=new ci(t,t.ARRAY_BUFFER,c,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.uv.length>0)if(e.uvDecodeMatrix){e.uvBuf=new ci(t,t.ARRAY_BUFFER,i.uv,i.uv.length,2,t.STATIC_DRAW,!1)}else{var A=cr.getUVBounds(i.uv),h=cr.compressUVs(i.uv,A.min,A.max),d=h.quantized;e.uvDecodeMatrix=re.mat3(h.decodeMatrix),e.uvBuf=new ci(t,t.ARRAY_BUFFER,d,d.length,2,t.STATIC_DRAW,!1)}if(i.metallicRoughness.length>0){var p=new Uint8Array(i.metallicRoughness);e.metallicRoughnessBuf=new ci(t,t.ARRAY_BUFFER,p,i.metallicRoughness.length,2,t.STATIC_DRAW,!1)}if(i.positions.length>0){var f=i.positions.length/3,v=new Float32Array(f);e.flagsBuf=new ci(t,t.ARRAY_BUFFER,v,v.length,1,t.DYNAMIC_DRAW,!1)}if(i.pickColors.length>0){var g=new Uint8Array(i.pickColors);e.pickColorsBuf=new ci(t,t.ARRAY_BUFFER,g,i.pickColors.length,4,t.STATIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var m=new Float32Array(i.offsets);e.offsetsBuf=new ci(t,t.ARRAY_BUFFER,m,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var _=new Uint32Array(i.indices);e.indicesBuf=new ci(t,t.ELEMENT_ARRAY_BUFFER,_,i.indices.length,1,t.STATIC_DRAW)}if(i.edgeIndices.length>0){var y=new Uint32Array(i.edgeIndices);e.edgeIndicesBuf=new ci(t,t.ELEMENT_ARRAY_BUFFER,y,i.edgeIndices.length,1,t.STATIC_DRAW)}this._state.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&e.textureSet&&e.textureSet.colorTexture&&e.textureSet.metallicRoughnessTexture),this._state.colorTextureSupported=!!e.uvBuf&&!!e.textureSet&&!!e.textureSet.colorTexture,this._buffer=null,this._finalized=!0}}},{key:"isEmpty",value:function(){return!this._state.indicesBuf}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=e,r=this._portions[i],s=4*r.vertsBaseIndex,n=4*r.numVerts,o=this._scratchMemory.getUInt8Array(n),a=t[0],l=t[1],u=t[2],c=t[3],A=0;A<n;A+=4)o[A+0]=a,o[A+1]=l,o[A+2]=u,o[A+3]=c;this._state.colorsBuf&&this._state.colorsBuf.setData(o,s,n)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=e,a=this._portions[o],l=a.vertsBaseIndex,u=a.numVerts,c=l,A=u,h=!!(t&Ye),d=!!(t&tt),p=!!(t&it),f=!!(t&rt),v=!!(t&st),g=!!(t&qe),m=!!(t&Ze);s=!h||m||d||p&&!this.model.scene.highlightMaterial.glowThrough||f&&!this.model.scene.selectedMaterial.glowThrough?ia.NOT_RENDERED:i?ia.COLOR_TRANSPARENT:ia.COLOR_OPAQUE,n=!h||m?ia.NOT_RENDERED:f?ia.SILHOUETTE_SELECTED:p?ia.SILHOUETTE_HIGHLIGHTED:d?ia.SILHOUETTE_XRAYED:ia.NOT_RENDERED;var _=0;_=!h||m?ia.NOT_RENDERED:f?ia.EDGES_SELECTED:p?ia.EDGES_HIGHLIGHTED:d?ia.EDGES_XRAYED:v?i?ia.EDGES_COLOR_TRANSPARENT:ia.EDGES_COLOR_OPAQUE:ia.NOT_RENDERED;var y=h&&!m&&g?ia.PICK:ia.NOT_RENDERED,b=t&$e?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var B=c,w=c+A;B<w;B++){var P=0;P|=s,P|=n<<4,P|=_<<8,P|=y<<12,P|=b<<16,this._deferredFlagValues[B]=P}}else if(this._state.flagsBuf){for(var x=this._scratchMemory.getFloat32Array(A),C=0;C<A;C++){var M=0;M|=s,M|=n<<4,M|=_<<8,M|=y<<12,M|=b<<16,x[C]=M}this._state.flagsBuf.setData(x,c,A)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=e,r=this._portions[i],s=3*r.vertsBaseIndex,n=3*r.numVerts,o=this._scratchMemory.getFloat32Array(n),a=t[0],l=t[1],u=t[2],c=0;c<n;c+=3)o[c+0]=a,o[c+1]=l,o[c+2]=u;this._state.offsetsBuf&&this._state.offsetsBuf.setData(o,s,n),this.model.scene.readableGeometryEnabled&&(r.offset[0]=t[0],r.offset[1]=t[1],r.offset[2]=t[2])}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portions[e];if(r){var s=r.quantizedPositions,n=this.model.matrix,o=re.vec4();o.set(i.origin,0),o[3]=1,re.mulMat4v4(n,o,o);for(var a=o[0],l=o[1],u=o[2],c=el,A=i.positionsDecodeMatrix,h=0,d=s.length;h<d;h+=3)c[0]=s[h],c[1]=s[h+1],c[2]=s[h+2],c[3]=1,re.decompressPosition(c,A),c[3]=1,re.mulMat4v4(n,c,c),c[0]+=a,c[1]+=l,c[2]+=u,t(c)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portions[e];if(i)for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}}},{key:"getElementsCountAndOffset",value:function(e){var t=null,i=null,r=this._portions[e];return r&&(t=r.numIndices,i=r.indicesBaseIndex),{count:t,offset:i}}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ia.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ia.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions)if(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported)this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT);else if(t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported){this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ia.COLOR_TRANSPARENT):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT)}else this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ia.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ia.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ia.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state,o=this._portions[e];if(!o)return this.model.error("portion not found: "+e),!1;var a=o.quantizedPositions,l=o.indices,u=n.origin,c=o.offset,A=tl,h=il;A.set(u?re.subVec3(t,u,rl):t),h.set(i),c&&re.subVec3(A,c),re.transformRay(this.model.worldNormalMatrix,A,h,A,h);for(var d=sl,p=nl,f=ol,v=!1,g=0,m=al,_=0,y=l.length;_<y;_+=3){var b=3*l[_],B=3*l[_+1],w=3*l[_+2];if(d[0]=a[b],d[1]=a[b+1],d[2]=a[b+2],p[0]=a[B],p[1]=a[B+1],p[2]=a[B+2],f[0]=a[w],f[1]=a[w+1],f[2]=a[w+2],re.decompressPosition(d,n.positionsDecodeMatrix),re.decompressPosition(p,n.positionsDecodeMatrix),re.decompressPosition(f,n.positionsDecodeMatrix),re.rayTriangleIntersect(A,h,d,p,f,m)){re.transformPoint3(this.model.worldMatrix,m,m),c&&re.addVec3(m,c),u&&re.addVec3(m,u);var P=Math.abs(re.lenVec3(re.subVec3(m,t,[])));(!v||P>g)&&(g=P,r.set(m),s&&re.triangleNormal(d,p,f,s),v=!0)}}return v&&s&&(re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),v}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.normalsBuf&&(e.normalsBuf.destroy(),e.normalsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicessBuf=null),e.edgeIndicesBuf&&(e.edgeIndicesBuf.destroy(),e.edgeIndicessBuf=null),e.destroy()}}]),e}(),ul=function(e){p(i,ua);var t=v(i);function i(e,r){var s=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},n=s.edges,o=void 0!==n&&n,a=s.useAlphaCutoff,l=void 0!==a&&a;return P(this,i),t.call(this,e,r,{instancing:!0,edges:o,useAlphaCutoff:l})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;this._edges?i.edgeIndicesBuf&&t.drawElementsInstanced(t.LINES,i.edgeIndicesBuf.numItems,i.edgeIndicesBuf.itemType,0,i.numInstances):(t.drawElementsInstanced(t.TRIANGLES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++)}}]),i}(),cl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e,t,i,r=this._scene,s=r._sectionPlanesState,n=r._lightsState,o=s.getNumAllocatedSectionPlanes()>0,a=[];for(a.push("#version 300 es"),a.push("// Instancing geometry drawing vertex shader"),a.push("uniform int renderPass;"),a.push("in vec3 position;"),a.push("in vec2 normal;"),a.push("in vec4 color;"),a.push("in float flags;"),r.entityOffsetsEnabled&&a.push("in vec3 offset;"),a.push("in vec4 modelMatrixCol0;"),a.push("in vec4 modelMatrixCol1;"),a.push("in vec4 modelMatrixCol2;"),a.push("in vec4 modelNormalMatrixCol0;"),a.push("in vec4 modelNormalMatrixCol1;"),a.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(a,!0),r.logarithmicDepthBufferEnabled&&(a.push("uniform float logDepthBufFC;"),a.push("out float vFragDepth;"),a.push("bool isPerspectiveMatrix(mat4 m) {"),a.push("    return (m[2][3] == - 1.0);"),a.push("}"),a.push("out float isPerspective;")),a.push("uniform vec4 lightAmbient;"),e=0,t=n.lights.length;e<t;e++)"ambient"!==(i=n.lights[e]).type&&(a.push("uniform vec4 lightColor"+e+";"),"dir"===i.type&&a.push("uniform vec3 lightDir"+e+";"),"point"===i.type&&a.push("uniform vec3 lightPos"+e+";"),"spot"===i.type&&(a.push("uniform vec3 lightPos"+e+";"),a.push("uniform vec3 lightDir"+e+";")));for(a.push("vec3 octDecode(vec2 oct) {"),a.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),a.push("    if (v.z < 0.0) {"),a.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),a.push("    }"),a.push("    return normalize(v);"),a.push("}"),o&&(a.push("out vec4 vWorldPosition;"),a.push("out float vFlags;")),a.push("out vec4 vColor;"),a.push("void main(void) {"),a.push("int colorFlag = int(flags) & 0xF;"),a.push("if (colorFlag != renderPass) {"),a.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),a.push("} else {"),a.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),a.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),r.entityOffsetsEnabled&&a.push("worldPosition.xyz = worldPosition.xyz + offset;"),a.push("vec4 viewPosition  = viewMatrix * worldPosition; "),a.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),a.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 0.0);"),a.push("vec3 viewNormal = normalize(vec4(viewNormalMatrix * worldNormal).xyz);"),a.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),a.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),a.push("float lambertian = 1.0;"),e=0,t=n.lights.length;e<t;e++)if("ambient"!==(i=n.lights[e]).type){if("dir"===i.type)"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===i.type)"view"===i.space?a.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):a.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==i.type)continue;"view"===i.space?a.push("viewLightDir = normalize(lightDir"+e+");"):a.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}a.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),a.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}return a.push("vec3 rgb = (vec3(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0));"),a.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),a.push("vec4 clipPos = projMatrix * viewPosition;"),r.logarithmicDepthBufferEnabled&&(a.push("vFragDepth = 1.0 + clipPos.w;"),a.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),o&&(a.push("vWorldPosition = worldPosition;"),a.push("vFlags = flags;")),a.push("gl_Position = clipPos;"),a.push("}"),a.push("}"),a}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor                = vec4(newColor.rgb * ambient, 1.0);")):r.push("    outColor           = newColor;"),r.push("}"),r}}]),i}(),Al=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry flat-shading drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=i._lightsState,n=r.getNumAllocatedSectionPlanes()>0,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry flat-shading drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),i.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),n){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}for(this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;"),e=0,t=s.lights.length;e<t;e++){var u=s.lights[e];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+e+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+e+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+e+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+e+";"),o.push("uniform vec3 lightDir"+e+";")))}if(o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),n){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var c=0,A=r.getNumAllocatedSectionPlanes();c<A;c++)o.push("if (sectionPlaneActive"+c+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+c+".xyz, vWorldPosition.xyz - sectionPlanePos"+c+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}for(o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );"),e=0,t=s.lights.length;e<t;e++){var h=s.lights[e];if("ambient"!==h.type){if("dir"===h.type)"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);");else if("point"===h.type)"view"===h.space?o.push("viewLightDir = -normalize(lightPos"+e+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+e+", 0.0)).xyz);");else{if("spot"!==h.type)continue;"view"===h.space?o.push("viewLightDir = normalize(lightDir"+e+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+e+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+e+".rgb * lightColor"+e+".a);")}}return o.push("vec4 fragColor = vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor            = vec4(fragColor.rgb * ambient, 1.0);")):o.push("    outColor           = fragColor;"),i.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),hl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 color;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 silhouetteColor;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vColor = vec4(silhouetteColor.r, silhouetteColor.g, silhouetteColor.b, min(silhouetteColor.a, float(color.a) / 255.0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing fill fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = newColor;"),r.push("}"),r}}]),i}(),dl=function(e){p(i,ul);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,{instancing:!0,edges:!0})}return C(i)}(),pl=function(e){p(i,dl);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesEmphasisRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("uniform vec4 color;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesEmphasisRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),fl=function(e){p(i,dl);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!1})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// EdgesColorRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeFlag = int(flags) >> 8 & 0xF;"),i.push("if (edgeFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(float(color.r*0.5) / 255.0, float(color.g*0.5) / 255.0, float(color.b*0.5) / 255.0, float(color.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// EdgesColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),vl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry picking vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 pickColor;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry picking fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),gl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("  vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),ml=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec2 normal;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("in vec4 modelNormalMatrixCol0;"),i.push("in vec4 modelNormalMatrixCol1;"),i.push("in vec4 modelNormalMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vWorldNormal;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 worldNormal = vec3(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2));"),i.push("  vWorldNormal = worldNormal;"),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vWorldNormal;"),r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outNormal = ivec4(vWorldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),_l=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesInstancingOcclusionRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}}]),i}(),yl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry depth drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec2 vHighPrecisionZW;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Instancing geometry depth drawing fragment shader"),n.push("precision highp float;"),n.push("precision highp int;"),i.logarithmicDepthBufferEnabled&&(n.push("in float isPerspective;"),n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec2 vHighPrecisionZW;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),n.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),n.push("}"),n}}]),i}(),bl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec3 normal;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i,!0),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("  vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),Bl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("bool visible = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),wl={3e3:"linearToLinear",3001:"sRGBToLinear"},Pl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=e._lightsState,r=t.getNumAllocatedSectionPlanes()>0,s=t.clippingCaps,n=[];return n.push("#version 300 es"),n.push("// Instancing geometry quality drawing vertex shader"),n.push("uniform int renderPass;"),n.push("in vec3 position;"),n.push("in vec3 normal;"),n.push("in vec4 color;"),n.push("in vec2 uv;"),n.push("in vec2 metallicRoughness;"),n.push("in float flags;"),e.entityOffsetsEnabled&&n.push("in vec3 offset;"),n.push("in vec4 modelMatrixCol0;"),n.push("in vec4 modelMatrixCol1;"),n.push("in vec4 modelMatrixCol2;"),n.push("in vec4 modelNormalMatrixCol0;"),n.push("in vec4 modelNormalMatrixCol1;"),n.push("in vec4 modelNormalMatrixCol2;"),this._addMatricesUniformBlockLines(n,!0),n.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("out float isPerspective;")),n.push("vec3 octDecode(vec2 oct) {"),n.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),n.push("    if (v.z < 0.0) {"),n.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),n.push("    }"),n.push("    return normalize(v);"),n.push("}"),n.push("out vec4 vViewPosition;"),n.push("out vec3 vViewNormal;"),n.push("out vec4 vColor;"),n.push("out vec2 vUV;"),n.push("out vec2 vMetallicRoughness;"),i.lightMaps.length>0&&n.push("out vec3 vWorldNormal;"),r&&(n.push("out vec4 vWorldPosition;"),n.push("out float vFlags;"),s&&n.push("out vec4 vClipPosition;")),n.push("void main(void) {"),n.push("int colorFlag = int(flags) & 0xF;"),n.push("if (colorFlag != renderPass) {"),n.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),n.push("} else {"),n.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),n.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&n.push("      worldPosition.xyz = worldPosition.xyz + offset;"),n.push("vec4 viewPosition  = viewMatrix * worldPosition; "),n.push("vec4 modelNormal = vec4(octDecode(normal.xy), 0.0); "),n.push("vec4 worldNormal = worldNormalMatrix * vec4(dot(modelNormal, modelNormalMatrixCol0), dot(modelNormal, modelNormalMatrixCol1), dot(modelNormal, modelNormalMatrixCol2), 1.0);"),n.push("vec3 viewNormal = vec4(viewNormalMatrix * worldNormal).xyz;"),n.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),r&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags = flags;"),s&&n.push("vClipPosition = clipPos;")),n.push("vViewPosition = viewPosition;"),n.push("vViewNormal = viewNormal;"),n.push("vColor = color;"),n.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),n.push("vMetallicRoughness = metallicRoughness;"),i.lightMaps.length>0&&n.push("vWorldNormal = worldNormal.xyz;"),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._sectionPlanesState,r=e._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=i.clippingCaps,o=[];o.push("#version 300 es"),o.push("// Instancing geometry quality drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),o.push("uniform sampler2D uMetallicRoughMap;"),o.push("uniform sampler2D uEmissiveMap;"),o.push("uniform sampler2D uNormalMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),r.reflectionMaps.length>0&&o.push("uniform samplerCube reflectionMap;"),r.lightMaps.length>0&&o.push("uniform samplerCube lightMap;"),o.push("uniform vec4 lightAmbient;");for(var a=0,l=r.lights.length;a<l;a++){var u=r.lights[a];"ambient"!==u.type&&(o.push("uniform vec4 lightColor"+a+";"),"dir"===u.type&&o.push("uniform vec3 lightDir"+a+";"),"point"===u.type&&o.push("uniform vec3 lightPos"+a+";"),"spot"===u.type&&(o.push("uniform vec3 lightPos"+a+";"),o.push("uniform vec3 lightDir"+a+";")))}if(o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;"),n&&o.push("in vec4 vClipPosition;");for(var c=0,A=i.getNumAllocatedSectionPlanes();c<A;c++)o.push("uniform bool sectionPlaneActive"+c+";"),o.push("uniform vec3 sectionPlanePos"+c+";"),o.push("uniform vec3 sectionPlaneDir"+c+";")}if(o.push("in vec4 vViewPosition;"),o.push("in vec3 vViewNormal;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("in vec2 vMetallicRoughness;"),r.lightMaps.length>0&&o.push("in vec3 vWorldNormal;"),this._addMatricesUniformBlockLines(o,!0),o.push("#define PI 3.14159265359"),o.push("#define RECIPROCAL_PI 0.31830988618"),o.push("#define RECIPROCAL_PI2 0.15915494"),o.push("#define EPSILON 1e-6"),o.push("#define saturate(a) clamp( a, 0.0, 1.0 )"),o.push("vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {"),o.push("       vec3 texel = texture( uNormalMap, uv ).xyz;"),o.push("       if (texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0) {"),o.push("              return normalize(surf_norm );"),o.push("       }"),o.push("      vec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );"),o.push("      vec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );"),o.push("      vec2 st0 = dFdx( uv.st );"),o.push("      vec2 st1 = dFdy( uv.st );"),o.push("      vec3 S = normalize( q0 * st1.t - q1 * st0.t );"),o.push("      vec3 T = normalize( -q0 * st1.s + q1 * st0.s );"),o.push("      vec3 N = normalize( surf_norm );"),o.push("      vec3 mapN = texel.xyz * 2.0 - 1.0;"),o.push("      mat3 tsn = mat3( S, T, N );"),o.push("      return normalize( tsn * mapN );"),o.push("}"),o.push("vec3 inverseTransformDirection(in vec3 dir, in mat4 matrix) {"),o.push("   return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );"),o.push("}"),o.push("struct IncidentLight {"),o.push("   vec3 color;"),o.push("   vec3 direction;"),o.push("};"),o.push("struct ReflectedLight {"),o.push("   vec3 diffuse;"),o.push("   vec3 specular;"),o.push("};"),o.push("struct Geometry {"),o.push("   vec3 position;"),o.push("   vec3 viewNormal;"),o.push("   vec3 worldNormal;"),o.push("   vec3 viewEyeDir;"),o.push("};"),o.push("struct Material {"),o.push("   vec3    diffuseColor;"),o.push("   float   specularRoughness;"),o.push("   vec3    specularColor;"),o.push("   float   shine;"),o.push("};"),o.push("float GGXRoughnessToBlinnExponent(const in float ggxRoughness) {"),o.push("   float r = ggxRoughness + 0.0001;"),o.push("   return (2.0 / (r * r) - 2.0);"),o.push("}"),o.push("float getSpecularMIPLevel(const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float maxMIPLevelScalar = float( maxMIPLevel );"),o.push("   float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( ( blinnShininessExponent * blinnShininessExponent ) + 1.0 );"),o.push("   return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );"),o.push("}"),r.reflectionMaps.length>0&&(o.push("vec3 getLightProbeIndirectRadiance(const in vec3 reflectVec, const in float blinnShininessExponent, const in int maxMIPLevel) {"),o.push("   float mipLevel = 0.5 * getSpecularMIPLevel(blinnShininessExponent, maxMIPLevel);"),o.push("   vec3 envMapColor = "+wl[r.reflectionMaps[0].encoding]+"(texture(reflectionMap, reflectVec, mipLevel)).rgb;"),o.push("  return envMapColor;"),o.push("}")),o.push("vec3 F_Schlick(const in vec3 specularColor, const in float dotLH) {"),o.push("   float fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );"),o.push("   return ( 1.0 - specularColor ) * fresnel + specularColor;"),o.push("}"),o.push("float G_GGX_Smith(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   float gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   return 1.0 / ( gl * gv );"),o.push("}"),o.push("float G_GGX_SmithCorrelated(const in float alpha, const in float dotNL, const in float dotNV) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * ( dotNV * dotNV ) );"),o.push("   float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * ( dotNL * dotNL ) );"),o.push("   return 0.5 / max( gv + gl, EPSILON );"),o.push("}"),o.push("float D_GGX(const in float alpha, const in float dotNH) {"),o.push("   float a2 = ( alpha * alpha );"),o.push("   float denom = ( dotNH * dotNH) * ( a2 - 1.0 ) + 1.0;"),o.push("   return RECIPROCAL_PI * a2 / ( denom * denom);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX(const in IncidentLight incidentLight, const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float alpha = ( roughness * roughness );"),o.push("   vec3 halfDir = normalize( incidentLight.direction + geometry.viewEyeDir );"),o.push("   float dotNL = saturate( dot( geometry.viewNormal, incidentLight.direction ) );"),o.push("   float dotNV = saturate( dot( geometry.viewNormal, geometry.viewEyeDir ) );"),o.push("   float dotNH = saturate( dot( geometry.viewNormal, halfDir ) );"),o.push("   float dotLH = saturate( dot( incidentLight.direction, halfDir ) );"),o.push("   vec3  F = F_Schlick( specularColor, dotLH );"),o.push("   float G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );"),o.push("   float D = D_GGX( alpha, dotNH );"),o.push("   return F * (G * D);"),o.push("}"),o.push("vec3 BRDF_Specular_GGX_Environment(const in Geometry geometry, const in vec3 specularColor, const in float roughness) {"),o.push("   float dotNV = saturate(dot(geometry.viewNormal, geometry.viewEyeDir));"),o.push("   const vec4 c0 = vec4( -1, -0.0275, -0.572,  0.022);"),o.push("   const vec4 c1 = vec4(  1,  0.0425,   1.04, -0.04);"),o.push("   vec4 r = roughness * c0 + c1;"),o.push("   float a004 = min(r.x * r.x, exp2(-9.28 * dotNV)) * r.x + r.y;"),o.push("   vec2 AB    = vec2(-1.04, 1.04) * a004 + r.zw;"),o.push("   return specularColor * AB.x + AB.y;"),o.push("}"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&(o.push("void computePBRLightMapping(const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),r.lightMaps.length>0&&(o.push("   vec3 irradiance = "+wl[r.lightMaps[0].encoding]+"(texture(lightMap, geometry.worldNormal)).rgb;"),o.push("   irradiance *= PI;"),o.push("   vec3 diffuseBRDFContrib = (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.diffuse += irradiance * diffuseBRDFContrib;")),r.reflectionMaps.length>0&&(o.push("   vec3 reflectVec             = reflect(geometry.viewEyeDir, geometry.viewNormal);"),o.push("   reflectVec                  = inverseTransformDirection(reflectVec, viewMatrix);"),o.push("   float blinnExpFromRoughness = GGXRoughnessToBlinnExponent(material.specularRoughness);"),o.push("   vec3 radiance               = getLightProbeIndirectRadiance(reflectVec, blinnExpFromRoughness, 8);"),o.push("   vec3 specularBRDFContrib    = BRDF_Specular_GGX_Environment(geometry, material.specularColor, material.specularRoughness);"),o.push("   reflectedLight.specular     += radiance * specularBRDFContrib;")),o.push("}")),o.push("void computePBRLighting(const in IncidentLight incidentLight, const in Geometry geometry, const in Material material, inout ReflectedLight reflectedLight) {"),o.push("   float dotNL     = saturate(dot(geometry.viewNormal, incidentLight.direction));"),o.push("   vec3 irradiance = dotNL * incidentLight.color * PI;"),o.push("   reflectedLight.diffuse  += irradiance * (RECIPROCAL_PI * material.diffuseColor);"),o.push("   reflectedLight.specular += irradiance * BRDF_Specular_GGX(incidentLight, geometry, material.specularColor, material.specularRoughness);"),o.push("}"),o.push("out vec4 outColor;"),o.push("void main(void) {"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=i.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");n?(o.push("  if (dist > (0.002 * vClipPosition.w)) {"),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      outColor=vec4(1.0, 0.0, 0.0, 1.0);"),e.logarithmicDepthBufferEnabled&&o.push("  gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("  return;"),o.push("}")):(o.push("  if (dist > 0.0) { "),o.push("      discard;"),o.push("  }")),o.push("}")}o.push("IncidentLight  light;"),o.push("Material       material;"),o.push("Geometry       geometry;"),o.push("ReflectedLight reflectedLight = ReflectedLight(vec3(0.0,0.0,0.0), vec3(0.0,0.0,0.0));"),o.push("vec3 rgb = (vec3(float(vColor.r) / 255.0, float(vColor.g) / 255.0, float(vColor.b) / 255.0));"),o.push("float opacity = float(vColor.a) / 255.0;"),o.push("vec3  baseColor = rgb;"),o.push("float specularF0 = 1.0;"),o.push("float metallic = float(vMetallicRoughness.r) / 255.0;"),o.push("float roughness = float(vMetallicRoughness.g) / 255.0;"),o.push("float dielectricSpecular = 0.16 * specularF0 * specularF0;"),o.push("vec4 colorTexel = sRGBToLinear(texture(uColorMap, vUV));"),o.push("baseColor *= colorTexel.rgb;"),o.push("vec3 metalRoughTexel = texture(uMetallicRoughMap, vUV).rgb;"),o.push("metallic *= metalRoughTexel.b;"),o.push("roughness *= metalRoughTexel.g;"),o.push("vec3 viewNormal = perturbNormal2Arb( vViewPosition.xyz, normalize(vViewNormal), vUV );"),o.push("material.diffuseColor      = baseColor * (1.0 - dielectricSpecular) * (1.0 - metallic);"),o.push("material.specularRoughness = clamp(roughness, 0.04, 1.0);"),o.push("material.specularColor     = mix(vec3(dielectricSpecular), baseColor, metallic);"),o.push("geometry.position      = vViewPosition.xyz;"),o.push("geometry.viewNormal    = -normalize(viewNormal);"),o.push("geometry.viewEyeDir    = normalize(vViewPosition.xyz);"),r.lightMaps.length>0&&o.push("geometry.worldNormal   = normalize(vWorldNormal);"),(r.lightMaps.length>0||r.reflectionMaps.length>0)&&o.push("computePBRLightMapping(geometry, material, reflectedLight);");for(var p=0,f=r.lights.length;p<f;p++){var v=r.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("light.direction = normalize(lightPos"+p+" - vViewPosition.xyz);"):o.push("light.direction = normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("light.direction = normalize(lightDir"+p+");"):o.push("light.direction = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("light.color =  lightColor"+p+".rgb * lightColor"+p+".a;"),o.push("computePBRLighting(light, geometry, material, reflectedLight);")}}return o.push("vec3 emissiveColor = sRGBToLinear(texture(uEmissiveMap, vUV)).rgb;"),o.push("vec3 outgoingLight = (lightAmbient.rgb * lightAmbient.a * baseColor * opacity * rgb) + (reflectedLight.diffuse) + (reflectedLight.specular) + emissiveColor;"),o.push("vec4 fragColor;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   fragColor            = vec4(outgoingLight.rgb * ambient, opacity);")):o.push("   fragColor            = vec4(outgoingLight.rgb, opacity);"),t&&o.push("fragColor = linearToGamma(fragColor, gammaFactor);"),o.push("outColor = fragColor;"),e.logarithmicDepthBufferEnabled&&o.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),xl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry normals vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),this._addRemapClipPosLines(i,3),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&i.push("out float vFlags;"),i.push("out vec4 vWorldPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&i.push("vFlags = flags;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Batched geometry normals fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("in vec4 vWorldPosition;"),i){r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out highp ivec4 outNormal;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),r.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),r.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),r.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),r.push("}"),r}}]),i}(),Cl=function(e){p(i,ul);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){var e=this._scene;return[e.gammaOutput,e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry drawing vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in vec2 uv;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),i.push("uniform mat3 uvDecodeMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vViewPosition;"),i.push("out vec4 vColor;"),i.push("out vec2 vUV;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vViewPosition = viewPosition;"),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),i.push("vUV = (uvDecodeMatrix * vec3(uv, 1.0)).xy;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e.gammaOutput,i=e._lightsState,r=e._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=this._useAlphaCutoff,o=[];if(o.push("#version 300 es"),o.push("// Instancing geometry drawing fragment shader"),o.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),o.push("precision highp float;"),o.push("precision highp int;"),o.push("#else"),o.push("precision mediump float;"),o.push("precision mediump int;"),o.push("#endif"),e.logarithmicDepthBufferEnabled&&(o.push("in float isPerspective;"),o.push("uniform float logDepthBufFC;"),o.push("in float vFragDepth;")),o.push("uniform sampler2D uColorMap;"),this._withSAO&&(o.push("uniform sampler2D uOcclusionTexture;"),o.push("uniform vec4      uSAOParams;"),o.push("const float       packUpscale = 256. / 255.;"),o.push("const float       unpackDownScale = 255. / 256.;"),o.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),o.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),o.push("float unpackRGBToFloat( const in vec4 v ) {"),o.push("    return dot( v, unPackFactors );"),o.push("}")),o.push("uniform float gammaFactor;"),o.push("vec4 linearToLinear( in vec4 value ) {"),o.push("  return value;"),o.push("}"),o.push("vec4 sRGBToLinear( in vec4 value ) {"),o.push("  return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.w );"),o.push("}"),o.push("vec4 gammaToLinear( in vec4 value) {"),o.push("  return vec4( pow( value.xyz, vec3( gammaFactor ) ), value.w );"),o.push("}"),t&&(o.push("vec4 linearToGamma( in vec4 value, in float gammaFactor ) {"),o.push("  return vec4( pow( value.xyz, vec3( 1.0 / gammaFactor ) ), value.w );"),o.push("}")),s){o.push("in vec4 vWorldPosition;"),o.push("in float vFlags;");for(var a=0,l=r.getNumAllocatedSectionPlanes();a<l;a++)o.push("uniform bool sectionPlaneActive"+a+";"),o.push("uniform vec3 sectionPlanePos"+a+";"),o.push("uniform vec3 sectionPlaneDir"+a+";");o.push("uniform float sliceThickness;"),o.push("uniform vec4 sliceColor;")}this._addMatricesUniformBlockLines(o),o.push("uniform vec4 lightAmbient;");for(var u=0,c=i.lights.length;u<c;u++){var A=i.lights[u];"ambient"!==A.type&&(o.push("uniform vec4 lightColor"+u+";"),"dir"===A.type&&o.push("uniform vec3 lightDir"+u+";"),"point"===A.type&&o.push("uniform vec3 lightPos"+u+";"),"spot"===A.type&&(o.push("uniform vec3 lightPos"+u+";"),o.push("uniform vec3 lightDir"+u+";")))}if(n&&o.push("uniform float materialAlphaCutoff;"),o.push("in vec4 vViewPosition;"),o.push("in vec4 vColor;"),o.push("in vec2 vUV;"),o.push("out vec4 outColor;"),o.push("void main(void) {"),o.push("  vec4 newColor;"),o.push("  newColor = vColor;"),s){o.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),o.push("  if (clippable) {"),o.push("  float dist = 0.0;");for(var h=0,d=r.getNumAllocatedSectionPlanes();h<d;h++)o.push("if (sectionPlaneActive"+h+") {"),o.push("   dist += clamp(dot(-sectionPlaneDir"+h+".xyz, vWorldPosition.xyz - sectionPlanePos"+h+".xyz), 0.0, 1000.0);"),o.push("}");o.push("  if (dist > sliceThickness) { "),o.push("      discard;"),o.push("  }"),o.push("  if (dist > 0.0) { "),o.push("      newColor = sliceColor;"),o.push("  }"),o.push("}")}o.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),o.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),o.push("float lambertian = 1.0;"),o.push("vec3 xTangent = dFdx( vViewPosition.xyz );"),o.push("vec3 yTangent = dFdy( vViewPosition.xyz );"),o.push("vec3 viewNormal = normalize( cross( xTangent, yTangent ) );");for(var p=0,f=i.lights.length;p<f;p++){var v=i.lights[p];if("ambient"!==v.type){if("dir"===v.type)"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);");else if("point"===v.type)"view"===v.space?o.push("viewLightDir = -normalize(lightPos"+p+" - viewPosition.xyz);"):o.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+p+", 0.0)).xyz);");else{if("spot"!==v.type)continue;"view"===v.space?o.push("viewLightDir = normalize(lightDir"+p+");"):o.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+p+", 0.0)).xyz);")}o.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),o.push("reflectedColor += lambertian * (lightColor"+p+".rgb * lightColor"+p+".a);")}}return o.push("vec4 color =  vec4((lightAmbient.rgb * lightAmbient.a * newColor.rgb) + (reflectedColor * newColor.rgb), newColor.a);"),o.push("vec4 sampleColor = texture(uColorMap, vUV);"),n&&(o.push("if (sampleColor.a < materialAlphaCutoff) {"),o.push("   discard;"),o.push("}")),t&&o.push("sampleColor = sRGBToLinear(sampleColor);"),o.push("vec4 colorTexel = color * sampleColor;"),o.push("float opacity = color.a;"),this._withSAO?(o.push("   float viewportWidth     = uSAOParams[0];"),o.push("   float viewportHeight    = uSAOParams[1];"),o.push("   float blendCutoff       = uSAOParams[2];"),o.push("   float blendFactor       = uSAOParams[3];"),o.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),o.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),o.push("   outColor                = vec4(colorTexel.rgb * ambient, opacity);")):o.push("   outColor                = vec4(colorTexel.rgb, opacity);"),t&&o.push("outColor = linearToGamma(outColor, gammaFactor);"),e.logarithmicDepthBufferEnabled&&o.push("gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),o.push("}"),o}}]),i}(),Ml=re.vec3(),El=re.vec3(),Fl=re.vec3(),kl=re.vec3(),Il=re.mat4(),Dl=function(e){p(i,ua);var t=v(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Ml;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=El;if(l){var g=re.transformPoint3(c,l,Fl);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,Il),(p=kl)[0]=o.eye[0]-v[0],p[1]=o.eye[1]-v[1],p[2]=o.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=o.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform3fv(this._uCameraEyeRtc,p),n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,f),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Sl=re.vec3(),Tl=re.vec3(),Rl=re.vec3(),Ll=re.vec3(),Ul=re.mat4(),Ol=function(e){p(i,ua);var t=v(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Sl;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Tl;if(l){var g=re.transformPoint3(c,l,Rl);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,Ul),(p=Ll)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?a.edgeIndicesBuf&&(a.edgeIndicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.edgeIndicesBuf.numItems,a.edgeIndicesBuf.itemType,0,a.numInstances),a.edgeIndicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Nl=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorTextureRenderer&&!this._colorTextureRenderer.getValid()&&(this._colorTextureRenderer.destroy(),this._colorTextureRenderer=null),this._colorTextureRendererWithSAO&&!this._colorTextureRendererWithSAO.getValid()&&(this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererWithSAO=null),this._colorTextureRendererAlphaCutoff&&!this._colorTextureRendererAlphaCutoff.getValid()&&(this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererAlphaCutoff=null),this._colorTextureRendererWithSAOAlphaCutoff&&!this._colorTextureRendererWithSAOAlphaCutoff.getValid()&&(this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff=null),this._pbrRenderer&&!this._pbrRenderer.getValid()&&(this._pbrRenderer.destroy(),this._pbrRenderer=null),this._pbrRendererWithSAO&&!this._pbrRendererWithSAO.getValid()&&(this._pbrRendererWithSAO.destroy(),this._pbrRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new hl(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new vl(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new gl(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new Dl(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Ol(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new cl(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new cl(this._scene,!0)),this._colorRendererWithSAO}},{key:"flatColorRenderer",get:function(){return this._flatColorRenderer||(this._flatColorRenderer=new Al(this._scene,!1)),this._flatColorRenderer}},{key:"flatColorRendererWithSAO",get:function(){return this._flatColorRendererWithSAO||(this._flatColorRendererWithSAO=new Al(this._scene,!0)),this._flatColorRendererWithSAO}},{key:"colorTextureRenderer",get:function(){return this._colorTextureRenderer||(this._colorTextureRenderer=new Cl(this._scene,!1)),this._colorTextureRenderer}},{key:"colorTextureRendererWithSAO",get:function(){return this._colorTextureRendererWithSAO||(this._colorTextureRendererWithSAO=new Cl(this._scene,!0)),this._colorTextureRendererWithSAO}},{key:"colorTextureRendererAlphaCutoff",get:function(){return this._colorTextureRendererAlphaCutoff||(this._colorTextureRendererAlphaCutoff=new Cl(this._scene,!1,{useAlphaCutoff:!0})),this._colorTextureRendererAlphaCutoff}},{key:"colorTextureRendererWithSAOAlphaCutoff",get:function(){return this._colorTextureRendererWithSAOAlphaCutoff||(this._colorTextureRendererWithSAOAlphaCutoff=new Cl(this._scene,!0,{useAlphaCutoff:!0})),this._colorTextureRendererWithSAOAlphaCutoff}},{key:"pbrRenderer",get:function(){return this._pbrRenderer||(this._pbrRenderer=new Pl(this._scene,!1)),this._pbrRenderer}},{key:"pbrRendererWithSAO",get:function(){return this._pbrRendererWithSAO||(this._pbrRendererWithSAO=new Pl(this._scene,!0)),this._pbrRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new hl(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new yl(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new bl(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new pl(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new fl(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new vl(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new ml(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new xl(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new gl(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new _l(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new Bl(this._scene)),this._shadowRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Ol(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Dl(this._scene)),this._snapInitRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorTextureRenderer&&this._colorTextureRenderer.destroy(),this._colorTextureRendererWithSAO&&this._colorTextureRendererWithSAO.destroy(),this._colorTextureRendererAlphaCutoff&&this._colorTextureRendererAlphaCutoff.destroy(),this._colorTextureRendererWithSAOAlphaCutoff&&this._colorTextureRendererWithSAOAlphaCutoff.destroy(),this._pbrRenderer&&this._pbrRenderer.destroy(),this._pbrRendererWithSAO&&this._pbrRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Ql={};var Vl=new Uint8Array(4),Hl=new Float32Array(1),jl=re.vec4([0,0,0,1]),Gl=new Float32Array(3),zl=re.vec3(),Kl=re.vec3(),Wl=re.vec3(),Xl=re.vec3(),Jl=re.vec3(),Yl=re.vec3(),Zl=re.vec3(),ql=new Float32Array(4),$l=function(){function e(t){P(this,e),this.model=t.model,this.sortId="TrianglesInstancingLayer"+(t.solid?"-solid":"-surface")+(t.normals?"-normals":"-autoNormals"),this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=Ql[t];return i||(i=new Nl(e),Ql[t]=i,i._compile(),i.eagerCreateRenders(),e.on("compile",(function(){i._compile(),i.eagerCreateRenders()})),e.on("destroyed",(function(){delete Ql[t],i._destroy()}))),i}(t.model.scene),this._aabb=re.collapseAABB3(),this._state=new Ii({numInstances:0,obb:re.OBB3(),origin:re.vec3(),geometry:t.geometry,textureSet:t.textureSet,pbrSupported:!1,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,metallicRoughnessBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,modelNormalMatrixCol0Buf:null,modelNormalMatrixCol1Buf:null,modelNormalMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._metallicRoughness=[],this._pickColors=[],this._offsets=[],this._modelMatrix=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&this._state.origin.set(t.origin),this._finalized=!1,this.solid=!!t.solid,this.numIndices=t.geometry.numIndices,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.metallic,s=t.roughness,n=null!==t.opacity&&void 0!==t.opacity?t.opacity:255,o=t.meshMatrix,a=t.pickColor;if(this._finalized)throw"Already finalized";var l=i[0],u=i[1],c=i[2];if(this._colors.push(l),this._colors.push(u),this._colors.push(c),this._colors.push(n),this._metallicRoughness.push(null!=r?r:0),this._metallicRoughness.push(null!=s?s:255),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(o[0]),this._modelMatrixCol0.push(o[4]),this._modelMatrixCol0.push(o[8]),this._modelMatrixCol0.push(o[12]),this._modelMatrixCol1.push(o[1]),this._modelMatrixCol1.push(o[5]),this._modelMatrixCol1.push(o[9]),this._modelMatrixCol1.push(o[13]),this._modelMatrixCol2.push(o[2]),this._modelMatrixCol2.push(o[6]),this._modelMatrixCol2.push(o[10]),this._modelMatrixCol2.push(o[14]),this._state.geometry.normals){var A=re.transposeMat4(o,re.mat4()),h=re.inverseMat4(A);this._modelNormalMatrixCol0.push(h[0]),this._modelNormalMatrixCol0.push(h[4]),this._modelNormalMatrixCol0.push(h[8]),this._modelNormalMatrixCol0.push(h[12]),this._modelNormalMatrixCol1.push(h[1]),this._modelNormalMatrixCol1.push(h[5]),this._modelNormalMatrixCol1.push(h[9]),this._modelNormalMatrixCol1.push(h[13]),this._modelNormalMatrixCol2.push(h[2]),this._modelNormalMatrixCol2.push(h[6]),this._modelNormalMatrixCol2.push(h[10]),this._modelNormalMatrixCol2.push(h[14])}this._pickColors.push(a[0]),this._pickColors.push(a[1]),this._pickColors.push(a[2]),this._pickColors.push(a[3]),this._state.numInstances++;var d=this._portions.length,p={};return this.model.scene.readableGeometryEnabled&&(p.matrix=o.slice(),p.inverseMatrix=null,p.normalMatrix=null),this._portions.push(p),this._numPortions++,this.model.numPortions++,this._meshes.push(e),d}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=e.geometry,i=e.textureSet,r=this.model.scene.canvas.gl,s=this._colors.length,n=s/4;if(s>0){e.colorsBuf=new ci(r,r.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,r.DYNAMIC_DRAW,!1),this._colors=[]}if(this._metallicRoughness.length>0){var o=new Uint8Array(this._metallicRoughness);e.metallicRoughnessBuf=new ci(r,r.ARRAY_BUFFER,o,this._metallicRoughness.length,2,r.STATIC_DRAW,!1)}if(n>0){e.flagsBuf=new ci(r,r.ARRAY_BUFFER,new Float32Array(n),n,1,r.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){e.offsetsBuf=new ci(r,r.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,r.DYNAMIC_DRAW,!1),this._offsets=[]}if(t.positionsCompressed&&t.positionsCompressed.length>0){e.positionsBuf=new ci(r,r.ARRAY_BUFFER,t.positionsCompressed,t.positionsCompressed.length,3,r.STATIC_DRAW,!1),e.positionsDecodeMatrix=re.mat4(t.positionsDecodeMatrix)}if(t.colorsCompressed&&t.colorsCompressed.length>0){var a=new Uint8Array(t.colorsCompressed);e.colorsBuf=new ci(r,r.ARRAY_BUFFER,a,a.length,4,r.STATIC_DRAW,!1)}if(t.uvCompressed&&t.uvCompressed.length>0){var l=t.uvCompressed;e.uvDecodeMatrix=t.uvDecodeMatrix,e.uvBuf=new ci(r,r.ARRAY_BUFFER,l,l.length,2,r.STATIC_DRAW,!1)}if(t.indices&&t.indices.length>0&&(e.indicesBuf=new ci(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.indices),t.indices.length,1,r.STATIC_DRAW),e.numIndices=t.indices.length),t.edgeIndices&&t.edgeIndices.length>0&&(e.edgeIndicesBuf=new ci(r,r.ELEMENT_ARRAY_BUFFER,new Uint32Array(t.edgeIndices),t.edgeIndices.length,1,r.STATIC_DRAW)),this._modelMatrixCol0.length>0){var u=!1;e.modelMatrixCol0Buf=new ci(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelMatrixCol1Buf=new ci(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelMatrixCol2Buf=new ci(r,r.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],e.normalsBuf&&(e.modelNormalMatrixCol0Buf=new ci(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol0),this._modelNormalMatrixCol0.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol1Buf=new ci(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol1),this._modelNormalMatrixCol1.length,4,r.STATIC_DRAW,u),e.modelNormalMatrixCol2Buf=new ci(r,r.ARRAY_BUFFER,new Float32Array(this._modelNormalMatrixCol2),this._modelNormalMatrixCol2.length,4,r.STATIC_DRAW,u),this._modelNormalMatrixCol0=[],this._modelNormalMatrixCol1=[],this._modelNormalMatrixCol2=[])}if(this._pickColors.length>0){e.pickColorsBuf=new ci(r,r.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,r.STATIC_DRAW,!1),this._pickColors=[]}e.pbrSupported=!!(e.metallicRoughnessBuf&&e.uvBuf&&e.normalsBuf&&i&&i.colorTexture&&i.metallicRoughnessTexture),e.colorTextureSupported=!!e.uvBuf&&!!i&&!!i.colorTexture,this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";Vl[0]=t[0],Vl[1]=t[1],Vl[2]=t[2],Vl[3]=t[3],this._state.colorsBuf&&this._state.colorsBuf.setData(Vl,4*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ye),s=!!(t&tt),n=!!(t&it),o=!!(t&rt),a=!!(t&st),l=!!(t&qe),u=!!(t&Ze),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?ia.NOT_RENDERED:i?ia.COLOR_TRANSPARENT:ia.COLOR_OPAQUE,c|=(!r||u?ia.NOT_RENDERED:o?ia.SILHOUETTE_SELECTED:n?ia.SILHOUETTE_HIGHLIGHTED:s?ia.SILHOUETTE_XRAYED:ia.NOT_RENDERED)<<4,c|=(!r||u?ia.NOT_RENDERED:o?ia.EDGES_SELECTED:n?ia.EDGES_HIGHLIGHTED:s?ia.EDGES_XRAYED:a?i?ia.EDGES_COLOR_TRANSPARENT:ia.EDGES_COLOR_OPAQUE:ia.NOT_RENDERED)<<8,c|=(r&&!u&&l?ia.PICK:ia.NOT_RENDERED)<<12,c|=(t&$e?1:0)<<16,Hl[0]=c,this._state.flagsBuf&&this._state.flagsBuf.setData(Hl,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Gl[0]=t[0],Gl[1]=t[1],Gl[2]=t[2],this._state.offsetsBuf&&this._state.offsetsBuf.setData(Gl,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"getEachVertex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state,r=i.geometry,s=this._portions[e];if(s){var n=r.positionsCompressed,o=this.model.matrix,a=re.vec4();a.set(i.origin,0),a[3]=1,re.mulMat4v4(o,a,a);for(var l=a[0],u=a[1],c=a[2],A=jl,h=s.matrix,d=i.positionsDecodeMatrix,p=0,f=n.length;p<f;p+=3)A[0]=n[p],A[1]=n[p+1],A[2]=n[p+2],re.decompressPosition(A,d),re.transformPoint3(h,A,A),A[3]=1,re.mulMat4v4(o,A,A),A[0]+=l,A[1]+=u,A[2]+=c,t(A)}else this.model.error("portion not found: "+e)}},{key:"getEachIndex",value:function(e,t){if(!this.model.scene.readableGeometryEnabled)return!1;var i=this._state.geometry;if(this._portions[e])for(var r=i.indices,s=0,n=r.length;s<n;s++)t(r[s]);else this.model.error("portion not found: "+e)}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;ql[0]=t[0],ql[1]=t[4],ql[2]=t[8],ql[3]=t[12],this._state.modelMatrixCol0Buf.setData(ql,i),ql[0]=t[1],ql[1]=t[5],ql[2]=t[9],ql[3]=t[13],this._state.modelMatrixCol1Buf.setData(ql,i),ql[0]=t[2],ql[1]=t[6],ql[2]=t[10],ql[3]=t[14],this._state.modelMatrixCol2Buf.setData(ql,i)}},{key:"drawColorOpaque",value:function(e,t){if(this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions){this._updateBackfaceCull(e,t);var i=this._state.textureSet&&"number"==typeof this._state.textureSet.alphaCutoff;t.withSAO&&this.model.saoEnabled?t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRendererWithSAO&&this._renderers.pbrRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererWithSAOAlphaCutoff&&this._renderers.colorTextureRendererWithSAOAlphaCutoff.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.colorTextureRendererWithSAO&&this._renderers.colorTextureRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.flatColorRendererWithSAO&&this._renderers.flatColorRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ia.COLOR_OPAQUE):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?i?this._renderers.colorTextureRendererAlphaCutoff&&this._renderers.colorTextureRendererAlphaCutoff.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ia.COLOR_OPAQUE):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||!this.solid||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.pbrEnabled&&this.model.pbrEnabled&&this._state.pbrSupported?this._renderers.pbrRenderer&&this._renderers.pbrRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT):t.colorTextureEnabled&&this.model.colorTextureEnabled&&this._state.colorTextureSupported?this._renderers.colorTextureRenderer&&this._renderers.colorTextureRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT):this._state.normalsBuf?this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT):this._renderers.flatColorRenderer&&this._renderers.flatColorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ia.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ia.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_XRAYED)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_SELECTED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsFlatRenderer&&this._renderers.pickNormalsFlatRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ia.PICK))}},{key:"precisionRayPickSurface",value:function(e,t,i,r,s){if(!this.model.scene.readableGeometryEnabled)return!1;var n=this._state.geometry,o=this._state,a=this._portions[e];if(!a)return this.model.error("portion not found: "+e),!1;a.inverseMatrix||(a.inverseMatrix=re.inverseMat4(a.matrix,re.mat4())),s&&!a.normalMatrix&&(a.normalMatrix=re.transposeMat4(a.inverseMatrix,re.mat4()));var l=n.quantizedPositions,u=n.indices,c=o.origin,A=a.offset,h=zl,d=Kl;h.set(c?re.subVec3(t,c,Wl):t),d.set(i),A&&re.subVec3(h,A),re.transformRay(this.model.worldNormalMatrix,h,d,h,d),re.transformRay(a.inverseMatrix,h,d,h,d);for(var p=Xl,f=Jl,v=Yl,g=!1,m=0,_=Zl,y=0,b=u.length;y<b;y+=3){var B=3*u[y+0],w=3*u[y+1],P=3*u[y+2];p[0]=l[B],p[1]=l[B+1],p[2]=l[B+2],f[0]=l[w],f[1]=l[w+1],f[2]=l[w+2],v[0]=l[P],v[1]=l[P+1],v[2]=l[P+2];var x=o.geometry.positionsDecodeMatrix;if(re.decompressPosition(p,x),re.decompressPosition(f,x),re.decompressPosition(v,x),re.rayTriangleIntersect(h,d,p,f,v,_)){re.transformPoint3(a.matrix,_,_),re.transformPoint3(this.model.worldMatrix,_,_),A&&re.addVec3(_,A),c&&re.addVec3(_,c);var C=Math.abs(re.lenVec3(re.subVec3(_,t,[])));(!g||C>m)&&(m=C,r.set(_),s&&re.triangleNormal(p,f,v,s),g=!0)}}return g&&s&&(re.transformVec3(a.normalMatrix,s,s),re.transformVec3(this.model.worldNormalMatrix,s,s),re.normalizeVec3(s)),g}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.modelNormalMatrixCol0Buf&&(e.modelNormalMatrixCol0Buf.destroy(),e.modelNormalMatrixCol0Buf=null),e.modelNormalMatrixCol1Buf&&(e.modelNormalMatrixCol1Buf.destroy(),e.modelNormalMatrixCol1Buf=null),e.modelNormalMatrixCol2Buf&&(e.modelNormalMatrixCol2Buf.destroy(),e.modelNormalMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy(),this._state=null}}]),e}(),eu=function(e){p(i,ua);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElements(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0),s&&r.drawElements++}}]),i}(),tu=function(e){p(i,eu);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor            = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),iu=function(e){p(i,eu);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines batching silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines batching silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),ru=re.vec3(),su=re.vec3(),nu=re.vec3(),ou=re.vec3(),au=re.mat4(),lu=function(e){p(i,ua);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=ru;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=su;if(l){var g=nu;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,au),(p=ou)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBO SnapBatchingDepthBufInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),uu=re.vec3(),cu=re.vec3(),Au=re.vec3(),hu=re.vec3(),du=re.mat4(),pu=function(e){p(i,ua);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=uu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=cu;if(l){var g=Au;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,du),(p=hu)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElements(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0),a.indicesBuf.unbind()):o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapBatchingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),fu=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new tu(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new iu(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new lu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new pu(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),vu={};var gu=C((function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:5e6;P(this,e),t>5e6&&(t=5e6),this.maxVerts=t,this.maxIndices=3*t,this.positions=[],this.colors=[],this.offsets=[],this.indices=[]})),mu=function(){function e(t){var i,r,s;P(this,e),this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=vu[r])||(s=new fu(i),vu[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete vu[r],s._destroy()}))),s),this.model=t.model,this._buffer=new gu(t.maxGeometryBatchSize),this._scratchMemory=t.scratchMemory,this._state=new Ii({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,indicesBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._numVerts=0,this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin)),this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e,t){if(this._finalized)throw"Already finalized";return this._buffer.positions.length+e<3*this._buffer.maxVerts&&this._buffer.indices.length+t<this._buffer.maxIndices}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i,r=t.positions,s=t.positionsCompressed,n=t.indices,o=t.color,a=t.opacity,l=this._buffer,u=l.positions.length/3;if(re.expandAABB3(this._modelAABB,t.aabb),this._preCompressedPositionsExpected){if(!s)throw"positionsCompressed expected";i=s.length/3;for(var c=0,A=s.length;c<A;c++)l.positions.push(s[c])}else{if(!r)throw"positions expected";i=r.length/3;for(var h=0,d=r.length;h<d;h++)l.positions.push(r[h])}if(o)for(var p=o[0],f=o[1],v=o[2],g=a,m=0;m<i;m++)l.colors.push(p),l.colors.push(f),l.colors.push(v),l.colors.push(g);if(n)for(var _=0,y=n.length;_<y;_++)l.indices.push(n[_]+u);if(this.model.scene.entityOffsetsEnabled)for(var b=0;b<i;b++)l.offsets.push(0),l.offsets.push(0),l.offsets.push(0);var B=this._portions.length/2;return this._portions.push(u),this._portions.push(i),this._numPortions++,this.model.numPortions++,this._numVerts+=i,this._meshes.push(e),B}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer;if(i.positions.length>0)if(this._preCompressedPositionsExpected){var r=new Uint16Array(i.positions);e.positionsBuf=new ci(t,t.ARRAY_BUFFER,r,i.positions.length,3,t.STATIC_DRAW)}else{var s=Xa(new Float32Array(i.positions),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=new ci(t,t.ARRAY_BUFFER,s,i.positions.length,3,t.STATIC_DRAW)}if(i.colors.length>0){var n=new Uint8Array(i.colors);e.colorsBuf=new ci(t,t.ARRAY_BUFFER,n,i.colors.length,4,t.DYNAMIC_DRAW,!1)}if(i.colors.length>0){var o=i.colors.length/4,a=new Float32Array(o);e.flagsBuf=new ci(t,t.ARRAY_BUFFER,a,a.length,1,t.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&i.offsets.length>0){var l=new Float32Array(i.offsets);e.offsetsBuf=new ci(t,t.ARRAY_BUFFER,l,i.offsets.length,3,t.DYNAMIC_DRAW)}if(i.indices.length>0){var u=new Uint32Array(i.indices);e.indicesBuf=new ci(t,t.ELEMENT_ARRAY_BUFFER,u,i.indices.length,1,t.STATIC_DRAW)}this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,!0)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=t[3],c=0;c<s;c+=4)n[c+0]=o,n[c+1]=a,n[c+2]=l,n[c+3]=u;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=2*e,a=this._portions[o],l=this._portions[o+1],u=a,c=l,A=!!(t&Ye),h=!!(t&tt),d=!!(t&it),p=!!(t&rt),f=!!(t&qe),v=!!(t&Ze);s=!A||v||h||d&&!this.model.scene.highlightMaterial.glowThrough||p&&!this.model.scene.selectedMaterial.glowThrough?ia.NOT_RENDERED:i?ia.COLOR_TRANSPARENT:ia.COLOR_OPAQUE,n=!A||v?ia.NOT_RENDERED:p?ia.SILHOUETTE_SELECTED:d?ia.SILHOUETTE_HIGHLIGHTED:h?ia.SILHOUETTE_XRAYED:ia.NOT_RENDERED;var g=A&&!v&&f?ia.PICK:ia.NOT_RENDERED,m=t&$e?1:0;if(r){this._deferredFlagValues||(this._deferredFlagValues=new Float32Array(this._numVerts));for(var _=u,y=u+c;_<y;_++){var b=0;b|=s,b|=n<<4,b|=g<<12,b|=m<<16,this._deferredFlagValues[_]=b}}else if(this._state.flagsBuf){for(var B=this._scratchMemory.getFloat32Array(c),w=0;w<c;w++){var P=0;P|=s,P|=n<<4,P|=g<<12,P|=m<<16,B[w]=P}this._state.flagsBuf.setData(B,u,c)}}},{key:"_setDeferredFlags",value:function(){this._deferredFlagValues&&(this._state.flagsBuf.setData(this._deferredFlagValues),this._deferredFlagValues=null)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e){}},{key:"drawPickDepths",value:function(e){}},{key:"drawPickNormals",value:function(e){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawOcclusion",value:function(e){}},{key:"drawShadow",value:function(e){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.indicesBuf&&(e.indicesBuf.destroy(),e.indicesBuf=null),e.destroy()}}]),e}(),_u=function(e){p(i,ua);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawElementsInstanced(t.LINES,i.indicesBuf.numItems,i.indicesBuf.itemType,0,i.numInstances),s&&r.drawElements++}}]),i}(),yu=function(e){p(i,_u);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing color vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),i.push("in vec4 color;"),i.push("in float flags;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 lightAmbient;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int colorFlag = int(flags) & 0xF;"),i.push("if (colorFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0,  float(color.a) / 255.0);"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Lines instancing color fragment shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("in vec4 vColor;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return this._withSAO?(n.push("   float viewportWidth     = uSAOParams[0];"),n.push("   float viewportHeight    = uSAOParams[1];"),n.push("   float blendCutoff       = uSAOParams[2];"),n.push("   float blendFactor       = uSAOParams[3];"),n.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),n.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBAToDepth(texture(uOcclusionTexture, uv))) * blendFactor;"),n.push("   outColor            = vec4(vColor.rgb * ambient, vColor.a);")):n.push("    outColor           = vColor;"),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),bu=function(e){p(i,_u);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Lines instancing silhouette vertex shader"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(i),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;")),i.push("uniform vec4 color;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),i.push("if (silhouetteFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Lines instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("uniform vec4 color;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = color;"),r.push("}"),r}}]),i}(),Bu=re.vec3(),wu=re.vec3(),Pu=re.vec3();re.vec3();var xu=re.mat4(),Cu=function(e){p(i,ua);var t=v(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=Bu;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=wu;if(l){var v=re.transformPoint3(c,l,Pu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=ze(h,f,xu),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),a.indicesBuf.bind(),n.drawElementsInstanced(n.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind(),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Mu=re.vec3(),Eu=re.vec3(),Fu=re.vec3();re.vec3();var ku=re.mat4(),Iu=function(e){p(i,ua);var t=v(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=Mu;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=Eu;if(l){var v=re.transformPoint3(c,l,Fu);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=ze(h,f,ku),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),"edge"===e.snapMode?(a.indicesBuf.bind(),o.drawElementsInstanced(o.LINES,a.indicesBuf.numItems,a.indicesBuf.itemType,0,a.numInstances),a.indicesBuf.unbind()):o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(2.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Du=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._snapInitRenderer||(this._snapInitRenderer=new Cu(this._scene,!1)),this._snapRenderer||(this._snapRenderer=new Iu(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new yu(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new bu(this._scene)),this._silhouetteRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Cu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new Iu(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),Su={};var Tu=new Uint8Array(4),Ru=new Float32Array(1),Lu=new Float32Array(3),Uu=new Float32Array(4),Ou=function(){function e(t){var i,r,s;P(this,e),this.model=t.model,this.material=t.material,this.sortId="LinesInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=Su[r])||(s=new Du(i),Su[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete Su[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new Ii({obb:re.OBB3(),numInstances:0,origin:null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,positionsBuf:null,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._colors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,t.origin&&(this._state.origin=re.vec3(t.origin)),this._finalized=!1,this.primitive=t.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.color,r=t.opacity,s=t.meshMatrix;if(this._finalized)throw"Already finalized";var n=i[0],o=i[1],a=i[2];i[3],this._colors.push(n),this._colors.push(o),this._colors.push(a),this._colors.push(r),this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(s[0]),this._modelMatrixCol0.push(s[4]),this._modelMatrixCol0.push(s[8]),this._modelMatrixCol0.push(s[12]),this._modelMatrixCol1.push(s[1]),this._modelMatrixCol1.push(s[5]),this._modelMatrixCol1.push(s[9]),this._modelMatrixCol1.push(s[13]),this._modelMatrixCol2.push(s[2]),this._modelMatrixCol2.push(s[6]),this._modelMatrixCol2.push(s[10]),this._modelMatrixCol2.push(s[14]),this._state.numInstances++;var l=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),l}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._state,i=t.geometry,r=this._colors.length,s=r/4;if(r>0){this._state.colorsBuf=new ci(e,e.ARRAY_BUFFER,new Uint8Array(this._colors),this._colors.length,4,e.DYNAMIC_DRAW,!1),this._colors=[]}if(s>0){this._state.flagsBuf=new ci(e,e.ARRAY_BUFFER,new Float32Array(s),s,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){this._state.offsetsBuf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(i.colorsCompressed&&i.colorsCompressed.length>0){var n=new Uint8Array(i.colorsCompressed);t.colorsBuf=new ci(e,e.ARRAY_BUFFER,n,n.length,4,e.STATIC_DRAW,!1)}if(i.positionsCompressed&&i.positionsCompressed.length>0){t.positionsBuf=new ci(e,e.ARRAY_BUFFER,i.positionsCompressed,i.positionsCompressed.length,3,e.STATIC_DRAW,!1),t.positionsDecodeMatrix=re.mat4(i.positionsDecodeMatrix)}if(i.indices&&i.indices.length>0&&(t.indicesBuf=new ci(e,e.ELEMENT_ARRAY_BUFFER,new Uint32Array(i.indices),i.indices.length,1,e.STATIC_DRAW),t.numIndices=i.indices.length),this._modelMatrixCol0.length>0){var o=!1;this._state.modelMatrixCol0Buf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol1Buf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,o),this._state.modelMatrixCol2Buf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,o),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}this.model.scene.readableGeometryEnabled||(this._state.geometry=null),this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";Tu[0]=t[0],Tu[1]=t[1],Tu[2]=t[2],Tu[3]=t[3],this._state.colorsBuf.setData(Tu,4*e,4)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ye),s=!!(t&tt),n=!!(t&it),o=!!(t&rt),a=!!(t&st),l=!!(t&qe),u=!!(t&Ze),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?ia.NOT_RENDERED:i?ia.COLOR_TRANSPARENT:ia.COLOR_OPAQUE,c|=(!r||u?ia.NOT_RENDERED:o?ia.SILHOUETTE_SELECTED:n?ia.SILHOUETTE_HIGHLIGHTED:s?ia.SILHOUETTE_XRAYED:ia.NOT_RENDERED)<<4,c|=(!r||u?ia.NOT_RENDERED:o?ia.EDGES_SELECTED:n?ia.EDGES_HIGHLIGHTED:s?ia.EDGES_XRAYED:a?i?ia.EDGES_COLOR_TRANSPARENT:ia.EDGES_COLOR_OPAQUE:ia.NOT_RENDERED)<<8,c|=(r&&!u&&l?ia.PICK:ia.NOT_RENDERED)<<12,c|=(t&$e?1:0)<<16,Ru[0]=c,this._state.flagsBuf.setData(Ru,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Lu[0]=t[0],Lu[1]=t[1],Lu[2]=t[2],this._state.offsetsBuf.setData(Lu,3*e,3)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Uu[0]=t[0],Uu[1]=t[4],Uu[2]=t[8],Uu[3]=t[12],this._state.modelMatrixCol0Buf.setData(Uu,i),Uu[0]=t[1],Uu[1]=t[5],Uu[2]=t[9],Uu[3]=t[13],this._state.modelMatrixCol1Buf.setData(Uu,i),Uu[0]=t[2],Uu[1]=t[6],Uu[2]=t[10],Uu[3]=t[14],this._state.modelMatrixCol2Buf.setData(Uu,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.destroy()}}]),e}(),Nu=function(e){p(i,ua);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArrays(t.POINTS,0,i.positionsBuf.numItems),s&&r.drawArrays++}}]),i}(),Qu=function(e){p(i,Nu);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial,r=[];return r.push("#version 300 es"),r.push("// Points batching color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),Vu=function(e){p(i,Nu);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform vec4 color;"),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points batching silhouette vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("uniform vec4 color;"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("  if (dist > 0.0) { discard; }"),n.push("}")}return i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("outColor = color;"),n.push("}"),n}}]),i}(),Hu=function(e){p(i,Nu);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("      vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching pick mesh vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vPickColor; "),r.push("}"),r}}]),i}(),ju=function(e){p(i,Nu);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batched pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("gl_PointSize += 10.0;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batched pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),Gu=function(e){p(i,Nu);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points batching occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("  } else {"),r.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("      vWorldPosition = worldPosition;"),r.push("      vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("  gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("  }"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points batching occlusion fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("      float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("      if (sectionPlaneActive"+n+") {"),r.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("      }");r.push("      if (dist > 0.0) { discard; }"),r.push("  }")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),r.push("}"),r}}]),i}(),zu=re.vec3(),Ku=re.vec3(),Wu=re.vec3(),Xu=re.vec3(),Ju=re.mat4(),Yu=function(e){p(i,ua);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=zu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=Ku;if(l){var g=Wu;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,Ju),(p=Xu)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible),o.uniform1f(this._uPointSize,1);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler"),this._uPointSize=e.getLocation("pointSize")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float pointSize;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("      vWorldPosition = worldPosition;"),t&&i.push("      vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = pointSize;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Zu=re.vec3(),qu=re.vec3(),$u=re.vec3(),ec=re.vec3(),tc=re.mat4(),ic=function(e){p(i,ua);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p,f=Zu;if(f[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,f[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,f[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(f[0]),e.snapPickCoordinateScale[1]=re.safeInv(f[1]),e.snapPickCoordinateScale[2]=re.safeInv(f[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var v=qu;if(l){var g=$u;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],d=ze(h,v,tc),(p=ec)[0]=n.eye[0]-v[0],p[1]=n.eye[1]-v[1],p[2]=n.eye[2]-v[2],e.snapPickOrigin[0]=v[0],e.snapPickOrigin[1]=v[1],e.snapPickOrigin[2]=v[2]}else d=h,p=n.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,f),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var m=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,m+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,m+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,m+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var _=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,_),this.setSectionPlanesStateUniforms(t),o.drawArrays(o.POINTS,0,a.positionsBuf.numItems)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this._uCameraEyeRtc=e.getLocation("uCameraEyeRtc"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0;e.pointsMaterial._state;var i=[];return i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (positionsDecodeMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// VBOBatchingPointsSnapRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),rc=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Qu(this._scene)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new Vu(this._scene)),this._silhouetteRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new Hu(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new ju(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new Gu(this._scene)),this._occlusionRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new Yu(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new ic(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),sc={};var nc=function(){function e(t){P(this,e),this.model=t.model,this.sortId="PointsBatchingLayer",this.layerIndex=t.layerIndex,this._renderers=function(e){var t=e.id,i=sc[t];return i||(i=new rc(e),sc[t]=i,i._compile(),e.on("compile",(function(){i._compile()})),e.on("destroyed",(function(){delete sc[t],i._destroy()}))),i}(t.model.scene);var i=t.maxGeometryBatchSize||5e6,r=function(){var e=[];return{append:function(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e.push({data:t,times:i,denormalizeScale:r})},compileBuffer:function(t){var i=0;e.forEach((function(e){i+=e.times*e.data.length}));var r=new t(i),s=0;return e.forEach((function(e){var t=e.data,i=e.denormalizeScale,n=r.subarray(s);if(1===i)n.set(t,0);else for(var o=0;o<t.length;++o)n[o]=t[o]*i;for(var a=t.length,l=e.times*t.length;a<l;){var u=Math.min(a,l-a);n.set(n.subarray(0,u),a),a+=u}s+=a})),r}}};this._buffer={maxVerts:i,positions:r(),colors:r(),pickColors:r(),vertsIndex:0},this._scratchMemory=t.scratchMemory,this._state=new Ii({positionsBuf:null,offsetsBuf:null,colorsBuf:null,flagsBuf:null,positionsDecodeMatrix:re.mat4(),origin:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._modelAABB=re.collapseAABB3(),this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,t.positionsDecodeMatrix?(this._state.positionsDecodeMatrix.set(t.positionsDecodeMatrix),this._preCompressedPositionsExpected=!0):this._preCompressedPositionsExpected=!1,t.origin&&(this._state.origin=re.vec3(t.origin))}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";return this._buffer.vertsIndex+e/3<=this._buffer.maxVerts}},{key:"createPortion",value:function(e,t){if(this._finalized)throw"Already finalized";var i=this._buffer,r=this._preCompressedPositionsExpected?t.positionsCompressed:t.positions;if(!r)throw(this._preCompressedPositionsExpected?"positionsCompressed":"positions")+" expected";i.positions.append(r);var s=r.length/3,n=t.color,o=t.colorsCompressed,a=t.colors,l=t.pickColor;o?i.colors.append(o):a?i.colors.append(a,1,255):n&&i.colors.append([n[0],n[1],n[2],1],s),i.pickColors.append(l.slice(0,4),s),re.expandAABB3(this._modelAABB,t.aabb);var u=this._portions.length/2;return this._portions.push(this._buffer.vertsIndex),this._portions.push(s),this._buffer.vertsIndex+=s,this._numPortions++,this.model.numPortions++,this._meshes.push(e),u}},{key:"finalize",value:function(){if(!this._finalized){var e=this._state,t=this.model.scene.canvas.gl,i=this._buffer,r=function(e,i,r){return e.length>0?new ci(t,t.ARRAY_BUFFER,e,e.length,i,r):null},s=this._preCompressedPositionsExpected?i.positions.compileBuffer(Uint16Array):Xa(i.positions.compileBuffer(Float32Array),this._modelAABB,e.positionsDecodeMatrix);e.positionsBuf=r(s,3,t.STATIC_DRAW),e.flagsBuf=r(new Float32Array(this._buffer.vertsIndex),1,t.DYNAMIC_DRAW),e.colorsBuf=r(i.colors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.pickColorsBuf=r(i.pickColors.compileBuffer(Uint8Array),4,t.STATIC_DRAW),e.offsetsBuf=this.model.scene.entityOffsetsEnabled?r(new Float32Array(3*this._buffer.vertsIndex),3,t.DYNAMIC_DRAW):null,this._buffer=null,this._finalized=!0}}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized"}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";for(var i=2*e,r=4*this._portions[i],s=4*this._portions[i+1],n=this._scratchMemory.getUInt8Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=4)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.colorsBuf.setData(n,r,s)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r,s,n=2*e,o=this._portions[n],a=this._portions[n+1],l=this._scratchMemory.getFloat32Array(a),u=!!(t&Ye),c=!!(t&tt),A=!!(t&it),h=!!(t&rt),d=!!(t&qe),p=!!(t&Ze);r=!u||p||c||A&&!this.model.scene.highlightMaterial.glowThrough||h&&!this.model.scene.selectedMaterial.glowThrough?ia.NOT_RENDERED:i?ia.COLOR_TRANSPARENT:ia.COLOR_OPAQUE,s=!u||p?ia.NOT_RENDERED:h?ia.SILHOUETTE_SELECTED:A?ia.SILHOUETTE_HIGHLIGHTED:c?ia.SILHOUETTE_XRAYED:ia.NOT_RENDERED;for(var f=u&&!p&&d?ia.PICK:ia.NOT_RENDERED,v=t&$e?1:0,g=0;g<a;g++){var m=0;m|=r,m|=s<<4,m|=f<<12,m|=v<<16,l[g]=m}this._state.flagsBuf.setData(l,o)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";if(this.model.scene.entityOffsetsEnabled){for(var i=2*e,r=3*this._portions[i],s=3*this._portions[i+1],n=this._scratchMemory.getFloat32Array(s),o=t[0],a=t[1],l=t[2],u=0;u<s;u+=3)n[u+0]=o,n[u+1]=a,n[u+2]=l;this._state.offsetsBuf.setData(n,r,s)}else this.model.error("Entity#offset not enabled for this Viewer")}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"destroy",value:function(){var e=this._state;e.positionsBuf&&(e.positionsBuf.destroy(),e.positionsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),oc=function(e){p(i,ua);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,{instancing:!0})}return C(i,[{key:"_draw",value:function(e){var t=this._scene.canvas.gl,i=e.state,r=e.frameCtx,s=e.incrementDrawState;t.drawArraysInstanced(t.POINTS,0,i.positionsBuf.numItems,i.numInstances),s&&r.drawArrays++}}]),i}(),ac=function(e){p(i,oc);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{incrementDrawState:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing color vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),r.push("in vec4 color;"),r.push("in float flags;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),i.filterIntensity&&r.push("uniform vec2 intensityRange;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),i.filterIntensity&&(r.push("float intensity = float(color.a) / 255.0;"),r.push("if (intensity < intensityRange[0] || intensity > intensityRange[1]) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {")),r.push("vec4 worldPosition =  positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("vColor = vec4(float(color.r) / 255.0, float(color.g) / 255.0, float(color.b) / 255.0, 1.0);"),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),i.filterIntensity&&r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing color fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vColor;"),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),lc=function(e){p(i,oc);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"drawLayer",value:function(e,t,r){h(_(i.prototype),"drawLayer",this).call(this,e,t,r,{colorUniform:!0})}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing silhouette vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 color;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),r.push("uniform vec4 silhouetteColor;"),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vColor;"),r.push("void main(void) {"),r.push("int silhouetteFlag = int(flags) >> 4 & 0xF;"),r.push("if (silhouetteFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("vColor = vec4(float(silhouetteColor.r) / 255.0, float(silhouetteColor.g) / 255.0, float(silhouetteColor.b) / 255.0, float(color.a) / 255.0);"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing silhouette fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vColor;"),r.push("}"),r}}]),i}(),uc=function(e){p(i,oc);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick mesh vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 pickColor;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vPickColor;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),r.push("  vPickColor = vec4(float(pickColor.r) / 255.0, float(pickColor.g) / 255.0, float(pickColor.b) / 255.0, float(pickColor.a) / 255.0);"),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick mesh fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vPickColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("outColor = vPickColor; "),r.push("}"),r}}]),i}(),cc=function(e){p(i,oc);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing pick depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),r.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(r),this._addRemapClipPosLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("out vec4 vViewPosition;"),r.push("void main(void) {"),r.push("int pickFlag = int(flags) >> 12 & 0xF;"),r.push("if (pickFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("  vFlags = flags;")),r.push("  vViewPosition = viewPosition;"),r.push("vec4 clipPos = projMatrix * viewPosition;"),r.push("gl_Position = remapClipPos(clipPos);"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = remapClipPos(clipPos);"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing pick depth fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),r.push("uniform float pickZNear;"),r.push("uniform float pickZFar;"),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vViewPosition;"),r.push("vec4 packDepth(const in float depth) {"),r.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),r.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),r.push("  vec4 res = fract(depth * bitShift);"),r.push("  res -= res.xxyz * bitMask;"),r.push("  return res;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),r.push("    outColor = packDepth(zNormalizedDepth); "),r.push("}"),r}}]),i}(),Ac=function(e){p(i,oc);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in vec4 color;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("  vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Points instancing occlusion vertex shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0;s<t.getNumAllocatedSectionPlanes();s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("out vec4 outColor;"),r.push("void main(void) {"),e.pointsMaterial.roundPoints&&(r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }")),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var n=0;n<t.getNumAllocatedSectionPlanes();n++)r.push("if (sectionPlaneActive"+n+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return r.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("}"),r}}]),i}(),hc=function(e){p(i,oc);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()+this._scene.pointsMaterial.hash}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=e.pointsMaterial._state,r=[];return r.push("#version 300 es"),r.push("// Points instancing depth vertex shader"),r.push("uniform int renderPass;"),r.push("in vec3 position;"),e.entityOffsetsEnabled&&r.push("in vec3 offset;"),r.push("in float flags;"),r.push("in vec4 modelMatrixCol0;"),r.push("in vec4 modelMatrixCol1;"),r.push("in vec4 modelMatrixCol2;"),this._addMatricesUniformBlockLines(r),r.push("uniform float pointSize;"),i.perspectivePoints&&r.push("uniform float nearPlaneHeight;"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("out float vFragDepth;")),t&&(r.push("out vec4 vWorldPosition;"),r.push("out float vFlags;")),r.push("void main(void) {"),r.push("int colorFlag = int(flags) & 0xF;"),r.push("if (colorFlag != renderPass) {"),r.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),r.push("} else {"),r.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),r.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&r.push("      worldPosition.xyz = worldPosition.xyz + offset;"),r.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(r.push("vWorldPosition = worldPosition;"),r.push("vFlags = flags;")),r.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&r.push("vFragDepth = 1.0 + clipPos.w;"),r.push("gl_Position = clipPos;"),i.perspectivePoints?(r.push("gl_PointSize = (nearPlaneHeight * pointSize) / clipPos.w;"),r.push("gl_PointSize = max(gl_PointSize, "+Math.floor(i.minPerspectivePointSize)+".0);"),r.push("gl_PointSize = min(gl_PointSize, "+Math.floor(i.maxPerspectivePointSize)+".0);")):r.push("gl_PointSize = pointSize;"),r.push("}"),r.push("}"),r}},{key:"_buildFragmentShader",value:function(){var e,t,i=this._scene,r=i._sectionPlanesState,s=r.getNumAllocatedSectionPlanes()>0,n=[];if(n.push("#version 300 es"),n.push("// Points instancing depth vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("#endif"),i.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("in float vFragDepth;")),s)for(n.push("in vec4 vWorldPosition;"),n.push("in float vFlags;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("uniform bool sectionPlaneActive"+e+";"),n.push("uniform vec3 sectionPlanePos"+e+";"),n.push("uniform vec3 sectionPlaneDir"+e+";");if(n.push("const float   packUpScale = 256. / 255.;"),n.push("const float   unpackDownscale = 255. / 256.;"),n.push("const vec3    packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),n.push("const vec4    unpackFactors = unpackDownscale / vec4( packFactors, 1. );"),n.push("const float   shiftRight8 = 1.0 / 256.;"),n.push("vec4 packDepthToRGBA( const in float v ) {"),n.push("    vec4 r = vec4( fract( v * packFactors ), v );"),n.push("    r.yzw -= r.xyz * shiftRight8;"),n.push("    return r * packUpScale;"),n.push("}"),n.push("out vec4 outColor;"),n.push("void main(void) {"),i.pointsMaterial.roundPoints&&(n.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),n.push("  float r = dot(cxy, cxy);"),n.push("  if (r > 1.0) {"),n.push("       discard;"),n.push("  }")),s){for(n.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),n.push("  if (clippable) {"),n.push("  float dist = 0.0;"),e=0,t=r.getNumAllocatedSectionPlanes();e<t;e++)n.push("if (sectionPlaneActive"+e+") {"),n.push("   dist += clamp(dot(-sectionPlaneDir"+e+".xyz, vWorldPosition.xyz - sectionPlanePos"+e+".xyz), 0.0, 1000.0);"),n.push("}");n.push("if (dist > 0.0) { discard; }"),n.push("}")}return n.push("    outColor = packDepthToRGBA( gl_FragCoord.z); "),i.logarithmicDepthBufferEnabled&&n.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),n.push("}"),n}}]),i}(),dc=function(e){p(i,oc);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Instancing geometry shadow drawing vertex shader"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in vec4 color;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform mat4 shadowViewMatrix;"),i.push("uniform mat4 shadowProjMatrix;"),this._addMatricesUniformBlockLines(i),i.push("uniform float pointSize;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("void main(void) {"),i.push("int colorFlag     = int(flags) & 0xF;"),i.push("bool visible      = (colorFlag > 0);"),i.push("bool transparent  = ((float(color.a) / 255.0) < 1.0);"),i.push("if (!visible || transparent) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("  vec4 viewPosition  = shadowViewMatrix * worldPosition; "),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags = flags;")),i.push("  gl_Position = shadowProjMatrix * viewPosition;"),i.push("}"),i.push("gl_PointSize = pointSize;"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// Instancing geometry depth drawing fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("in float vFlags;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec3 vViewNormal;"),r.push("vec3 packNormalToRGB( const in vec3 normal ) {"),r.push("    return normalize( normal ) * 0.5 + 0.5;"),r.push("}"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec2 cxy = 2.0 * gl_PointCoord - 1.0;"),r.push("  float r = dot(cxy, cxy);"),r.push("  if (r > 1.0) {"),r.push("       discard;"),r.push("  }"),i){r.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("if (dist > 0.0) { discard; }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("gl_FragDepth = log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("    outColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),r.push("}"),r}}]),i}(),pc=re.vec3(),fc=re.vec3(),vc=re.vec3();re.vec3();var gc=re.mat4(),mc=function(e){p(i,ua);var t=v(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.canvas.gl,o=s.camera,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||o.viewMatrix;this._vaoCache.has(t)?n.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=pc;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=fc;if(l){var v=re.transformPoint3(c,l,vc);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=ze(h,f,gc),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;n.uniform2fv(this.uVectorA,e.snapVectorA),n.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),n.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),n.uniform3fv(this._uCoordinateScaler,p),n.uniform1i(this._uRenderPass,i),n.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(o.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),n.bindBuffer(n.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),n.bufferData(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,n.DYNAMIC_DRAW),n.bindBufferBase(n.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);n.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),n.vertexAttribDivisor(this._aModelMatrixCol0.location,1),n.vertexAttribDivisor(this._aModelMatrixCol1.location,1),n.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags&&(this._aFlags.bindArrayBuffer(a.flagsBuf),n.vertexAttribDivisor(this._aFlags.location,1)),n.drawArraysInstanced(n.POINTS,0,a.positionsBuf.numItems,a.numInstances),n.vertexAttribDivisor(this._aModelMatrixCol0.location,0),n.vertexAttribDivisor(this._aModelMatrixCol1.location,0),n.vertexAttribDivisor(this._aModelMatrixCol2.location,0),this._aFlags&&n.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&n.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthBufInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec4 pickColor;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("out float vFlags;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("  vWorldPosition = worldPosition;"),t&&i.push("  vFlags = flags;"),i.push("vPickColor = pickColor;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Points instancing pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, -layerNumber);"),i.push("outNormal = ivec4(1.0, 1.0, 1.0, 1.0);"),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),_c=re.vec3(),yc=re.vec3(),bc=re.vec3();re.vec3();var Bc=re.mat4(),wc=function(e){p(i,ua);var t=v(i);function i(e){return P(this,i),t.call(this,e,!1,{instancing:!0})}return C(i,[{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=t.aabb,h=e.pickViewMatrix||n.viewMatrix;this._vaoCache.has(t)?o.bindVertexArray(this._vaoCache.get(t)):this._vaoCache.set(t,this._makeVAO(a));var d,p=_c;if(p[0]=re.safeInv(A[3]-A[0])*re.MAX_INT,p[1]=re.safeInv(A[4]-A[1])*re.MAX_INT,p[2]=re.safeInv(A[5]-A[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(p[0]),e.snapPickCoordinateScale[1]=re.safeInv(p[1]),e.snapPickCoordinateScale[2]=re.safeInv(p[2]),l||0!==u[0]||0!==u[1]||0!==u[2]){var f=yc;if(l){var v=re.transformPoint3(c,l,bc);f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=u[0],f[1]+=u[1],f[2]+=u[2],d=ze(h,f,Bc),e.snapPickOrigin[0]=f[0],e.snapPickOrigin[1]=f[1],e.snapPickOrigin[2]=f[2]}else d=h,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;o.uniform2fv(this.uVectorA,e.snapVectorA),o.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),o.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),o.uniform3fv(this._uCoordinateScaler,p),o.uniform1i(this._uRenderPass,i),o.uniform1i(this._uPickInvisible,e.pickInvisible);var g=0;this._matricesUniformBlockBufferData.set(c,0),this._matricesUniformBlockBufferData.set(d,g+=16),this._matricesUniformBlockBufferData.set(n.projMatrix,g+=16),this._matricesUniformBlockBufferData.set(a.positionsDecodeMatrix,g+=16),o.bindBuffer(o.UNIFORM_BUFFER,this._matricesUniformBlockBuffer),o.bufferData(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferData,o.DYNAMIC_DRAW),o.bindBufferBase(o.UNIFORM_BUFFER,this._matricesUniformBlockBufferBindingPoint,this._matricesUniformBlockBuffer);var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m),this.setSectionPlanesStateUniforms(t),this._aModelMatrixCol0.bindArrayBuffer(a.modelMatrixCol0Buf),this._aModelMatrixCol1.bindArrayBuffer(a.modelMatrixCol1Buf),this._aModelMatrixCol2.bindArrayBuffer(a.modelMatrixCol2Buf),o.vertexAttribDivisor(this._aModelMatrixCol0.location,1),o.vertexAttribDivisor(this._aModelMatrixCol1.location,1),o.vertexAttribDivisor(this._aModelMatrixCol2.location,1),this._aFlags.bindArrayBuffer(a.flagsBuf),o.vertexAttribDivisor(this._aFlags.location,1),o.drawArraysInstanced(o.POINTS,0,a.positionsBuf.numItems,a.numInstances),o.vertexAttribDivisor(this._aModelMatrixCol0.location,0),o.vertexAttribDivisor(this._aModelMatrixCol1.location,0),o.vertexAttribDivisor(this._aModelMatrixCol2.location,0),o.vertexAttribDivisor(this._aFlags.location,0),this._aOffset&&o.vertexAttribDivisor(this._aOffset.location,0)}}},{key:"_allocate",value:function(){h(_(i.prototype),"_allocate",this).call(this);var e=this._program;this._uLogDepthBufFC=e.getLocation("logDepthBufFC"),this.uVectorA=e.getLocation("snapVectorA"),this.uInverseVectorAB=e.getLocation("snapInvVectorAB"),this._uLayerNumber=e.getLocation("layerNumber"),this._uCoordinateScaler=e.getLocation("coordinateScaler")}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("in vec3 position;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("in float flags;"),i.push("in vec4 modelMatrixCol0;"),i.push("in vec4 modelMatrixCol1;"),i.push("in vec4 modelMatrixCol2;"),i.push("uniform bool pickInvisible;"),this._addMatricesUniformBlockLines(i),i.push("uniform vec2 snapVectorA;"),i.push("uniform vec2 snapInvVectorAB;"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - snapVectorA.x) * snapInvVectorAB.x;"),i.push("    float y = (clipPos.y - snapVectorA.y) * snapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out float vFlags;")),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int pickFlag = int(flags) >> 12 & 0xF;"),i.push("if (pickFlag != renderPass) {"),i.push("   gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("} else {"),i.push("  vec4 worldPosition = positionsDecodeMatrix * vec4(position, 1.0); "),i.push("  worldPosition = worldMatrix * vec4(dot(worldPosition, modelMatrixCol0), dot(worldPosition, modelMatrixCol1), dot(worldPosition, modelMatrixCol2), 1.0);"),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("  vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags = flags;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// SnapInstancingDepthRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int layerNumber;"),i.push("uniform vec3 coordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("in float vFlags;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = (int(vFlags) >> 16 & 0xF) == 1;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("if (sectionPlaneActive"+s+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("}");i.push("if (dist > 0.0) { discard; }"),i.push("}")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz*coordinateScaler.xyz, layerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),i}(),Pc=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null),this._shadowRenderer&&!this._shadowRenderer.getValid()&&(this._shadowRenderer.destroy(),this._shadowRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null)}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new ac(this._scene,!1)),this._colorRenderer}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new lc(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new hc(this._scene)),this._depthRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new uc(this._scene)),this._pickMeshRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new cc(this._scene)),this._pickDepthRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new Ac(this._scene)),this._occlusionRenderer}},{key:"shadowRenderer",get:function(){return this._shadowRenderer||(this._shadowRenderer=new dc(this._scene)),this._shadowRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new mc(this._scene,!1)),this._snapInitRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new wc(this._scene)),this._snapRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy(),this._shadowRenderer&&this._shadowRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy()}}]),e}(),xc={};var Cc=new Uint8Array(4),Mc=new Float32Array(1),Ec=new Float32Array(3),Fc=new Float32Array(4),kc=function(){function e(t){var i,r,s;P(this,e),this.model=t.model,this.material=t.material,this.sortId="PointsInstancingLayer",this.layerIndex=t.layerIndex,this._renderers=(i=t.model.scene,r=i.id,(s=xc[r])||(s=new Pc(i),xc[r]=s,s._compile(),i.on("compile",(function(){s._compile()})),i.on("destroyed",(function(){delete xc[r],s._destroy()}))),s),this._aabb=re.collapseAABB3(),this._state=new Ii({obb:re.OBB3(),numInstances:0,origin:t.origin?re.vec3(t.origin):null,geometry:t.geometry,positionsDecodeMatrix:t.geometry.positionsDecodeMatrix,colorsBuf:null,flagsBuf:null,offsetsBuf:null,modelMatrixCol0Buf:null,modelMatrixCol1Buf:null,modelMatrixCol2Buf:null,pickColorsBuf:null}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numSelectedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this.numIndices=t.geometry.numIndices,this._pickColors=[],this._offsets=[],this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[],this._portions=[],this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._finalized=!1,this.primitive=t.geometry.primitive}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"createPortion",value:function(e,t){var i=t.meshMatrix,r=t.pickColor;if(this._finalized)throw"Already finalized";this.model.scene.entityOffsetsEnabled&&(this._offsets.push(0),this._offsets.push(0),this._offsets.push(0)),this._modelMatrixCol0.push(i[0]),this._modelMatrixCol0.push(i[4]),this._modelMatrixCol0.push(i[8]),this._modelMatrixCol0.push(i[12]),this._modelMatrixCol1.push(i[1]),this._modelMatrixCol1.push(i[5]),this._modelMatrixCol1.push(i[9]),this._modelMatrixCol1.push(i[13]),this._modelMatrixCol2.push(i[2]),this._modelMatrixCol2.push(i[6]),this._modelMatrixCol2.push(i[10]),this._modelMatrixCol2.push(i[14]),this._pickColors.push(r[0]),this._pickColors.push(r[1]),this._pickColors.push(r[2]),this._pickColors.push(r[3]),this._state.numInstances++;var s=this._portions.length;return this._portions.push({}),this._numPortions++,this.model.numPortions++,this._meshes.push(e),s}},{key:"finalize",value:function(){if(this._finalized)throw"Already finalized";var e=this.model.scene.canvas.gl,t=this._pickColors.length/4,i=this._state,r=i.geometry;if(t>0){i.flagsBuf=new ci(e,e.ARRAY_BUFFER,new Float32Array(t),t,1,e.DYNAMIC_DRAW,!1)}if(this.model.scene.entityOffsetsEnabled&&this._offsets.length>0){i.offsetsBuf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this._offsets),this._offsets.length,3,e.DYNAMIC_DRAW,!1),this._offsets=[]}if(r.positionsCompressed&&r.positionsCompressed.length>0){i.positionsBuf=new ci(e,e.ARRAY_BUFFER,r.positionsCompressed,r.positionsCompressed.length,3,e.STATIC_DRAW,!1),i.positionsDecodeMatrix=re.mat4(r.positionsDecodeMatrix)}if(r.colorsCompressed&&r.colorsCompressed.length>0){var s=new Uint8Array(r.colorsCompressed);i.colorsBuf=new ci(e,e.ARRAY_BUFFER,s,s.length,4,e.STATIC_DRAW,!1)}if(this._modelMatrixCol0.length>0){var n=!1;i.modelMatrixCol0Buf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol0),this._modelMatrixCol0.length,4,e.STATIC_DRAW,n),i.modelMatrixCol1Buf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol1),this._modelMatrixCol1.length,4,e.STATIC_DRAW,n),i.modelMatrixCol2Buf=new ci(e,e.ARRAY_BUFFER,new Float32Array(this._modelMatrixCol2),this._modelMatrixCol2.length,4,e.STATIC_DRAW,n),this._modelMatrixCol0=[],this._modelMatrixCol1=[],this._modelMatrixCol2=[]}if(this._pickColors.length>0){i.pickColorsBuf=new ci(e,e.ARRAY_BUFFER,new Uint8Array(this._pickColors),this._pickColors.length,4,e.STATIC_DRAW,!1),this._pickColors=[]}i.geometry=null,this._finalized=!0}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++),this._setFlags(e,t,i)}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags(e,t)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions--,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){if(!this._finalized)throw"Not finalized";Cc[0]=t[0],Cc[1]=t[1],Cc[2]=t[2],this._state.colorsBuf.setData(Cc,3*e)}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){if(!this._finalized)throw"Not finalized";var r=!!(t&Ye),s=!!(t&tt),n=!!(t&it),o=!!(t&rt),a=!!(t&st),l=!!(t&qe),u=!!(t&Ze),c=0;c|=!r||u||s||n&&!this.model.scene.highlightMaterial.glowThrough||o&&!this.model.scene.selectedMaterial.glowThrough?ia.NOT_RENDERED:i?ia.COLOR_TRANSPARENT:ia.COLOR_OPAQUE,c|=(!r||u?ia.NOT_RENDERED:o?ia.SILHOUETTE_SELECTED:n?ia.SILHOUETTE_HIGHLIGHTED:s?ia.SILHOUETTE_XRAYED:ia.NOT_RENDERED)<<4,c|=(!r||u?ia.NOT_RENDERED:o?ia.EDGES_SELECTED:n?ia.EDGES_HIGHLIGHTED:s?ia.EDGES_XRAYED:a?i?ia.EDGES_COLOR_TRANSPARENT:ia.EDGES_COLOR_OPAQUE:ia.NOT_RENDERED)<<8,c|=(r&&!u&&l?ia.PICK:ia.NOT_RENDERED)<<12,c|=(t&$e?255:0)<<16,Mc[0]=c,this._state.flagsBuf.setData(Mc,e)}},{key:"setOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";this.model.scene.entityOffsetsEnabled?(Ec[0]=t[0],Ec[1]=t[1],Ec[2]=t[2],this._state.offsetsBuf.setData(Ec,3*e)):this.model.error("Entity#offset not enabled for this Viewer")}},{key:"setMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=4*e;Fc[0]=t[0],Fc[1]=t[4],Fc[2]=t[8],Fc[3]=t[12],this._state.modelMatrixCol0Buf.setData(Fc,i),Fc[0]=t[1],Fc[1]=t[5],Fc[2]=t[9],Fc[3]=t[13],this._state.modelMatrixCol1Buf.setData(Fc,i),Fc[0]=t[2],Fc[1]=t[6],Fc[2]=t[10],Fc[3]=t[14],this._state.modelMatrixCol2Buf.setData(Fc,i)}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_XRAYED)}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_HIGHLIGHTED)}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_SELECTED)}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}},{key:"drawShadow",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawPickDepths",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawPickNormals",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ia.PICK)}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ia.PICK)}},{key:"destroy",value:function(){var e=this._state;e.colorsBuf&&(e.colorsBuf.destroy(),e.colorsBuf=null),e.flagsBuf&&(e.flagsBuf.destroy(),e.flagsBuf=null),e.offsetsBuf&&(e.offsetsBuf.destroy(),e.offsetsBuf=null),e.modelMatrixCol0Buf&&(e.modelMatrixCol0Buf.destroy(),e.modelMatrixCol0Buf=null),e.modelMatrixCol1Buf&&(e.modelMatrixCol1Buf.destroy(),e.modelMatrixCol1Buf=null),e.modelMatrixCol2Buf&&(e.modelMatrixCol2Buf.destroy(),e.modelMatrixCol2Buf=null),e.pickColorsBuf&&(e.pickColorsBuf.destroy(),e.pickColorsBuf=null),e.destroy()}}]),e}(),Ic=re.vec3(),Dc=re.vec3(),Sc=re.mat4(),Tc=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix,h=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uPerObjectDecodeMatrix,this._uPerVertexPosition,this.uPerObjectColorAndFlags,this._uPerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Ic;if(p){var g=re.transformPoint3(A,u,Dc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=ze(h,v,Sc)}else d=h;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,B=t.layerIndex*y,w=n.renderFlags,P=0;P<_;P++){var x=this._uSectionPlanes[P];if(x)if(P<y){var C=w.sectionPlanesActivePerLayer[B+P];if(o.uniform1i(x.active,C?1:0),C){var M=b[P];if(u){var E=Je(M.dist,M.dir,u,Ic,n.matrix);o.uniform3fv(x.pos,E)}else o.uniform3fv(x.pos,M.pos);o.uniform3fv(x.dir,M.dir)}}else o.uniform1i(x.active,0)}a.numIndices8Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,8),o.drawArrays(o.LINES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,16),o.drawArrays(o.LINES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindLineIndicesTextures(this._program,this._uPerLineObject,this._uPerLineIndices,32),o.drawArrays(o.LINES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uPerObjectDecodeMatrix="uPerObjectDecodeMatrix",this.uPerObjectColorAndFlags="uPerObjectColorAndFlags",this._uPerVertexPosition="uPerVertexPosition",this._uPerLineIndices="uPerLineIndices",this._uPerLineObject="uPerLineObject",this._uPerObjectMatrix="uPerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// LinesDataTextureColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uPerObjectDecodeMatrix;"),i.push("uniform highp sampler2D uPerObjectMatrix;"),i.push("uniform lowp usampler2D uPerObjectColorAndFlags;"),i.push("uniform mediump usampler2D uPerVertexPosition;"),i.push("uniform highp usampler2D uPerLineIndices;"),i.push("uniform mediump usampler2D uPerLineObject;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("  int lineIndex = gl_VertexID / 2;"),i.push("  int h_packed_object_id_index = (lineIndex >> 3) & 4095;"),i.push("  int v_packed_object_id_index = (lineIndex >> 3) >> 12;"),i.push("  int objectIndex = int(texelFetch(uPerLineObject, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("  ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("  uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("  uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("  if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("      return;"),i.push("  } else {"),i.push("      ivec4 packedVertexBase = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("      ivec4 packedLineIndexBaseOffset = ivec4(texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("      int lineIndexBaseOffset = (packedLineIndexBaseOffset.r << 24) + (packedLineIndexBaseOffset.g << 16) + (packedLineIndexBaseOffset.b << 8) + packedLineIndexBaseOffset.a;"),i.push("      int h_index = (lineIndex - lineIndexBaseOffset) & 4095;"),i.push("      int v_index = (lineIndex - lineIndexBaseOffset) >> 12;"),i.push("      ivec3 vertexIndices = ivec3(texelFetch(uPerLineIndices, ivec2(h_index, v_index), 0));"),i.push("      ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("      int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("      int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("      mat4 objectInstanceMatrix = mat4 (texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uPerObjectDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("      uvec4 flags = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("      uvec4 flags2 = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("      vec3 position = vec3(texelFetch(uPerVertexPosition, ivec2(indexPositionH, indexPositionV), 0));"),i.push("      uvec4 color = texelFetch (uPerObjectColorAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("      if (color.a == 0u) {"),i.push("          gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("          return;"),i.push("      };"),i.push("      vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("      vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("      vFragDepth = 1.0 + clipPos.w;"),i.push("      isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("      gl_Position = clipPos;"),i.push("      vec4 rgb = vec4(color.rgba);"),i.push("      vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// LinesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > 0.0) { "),r.push("      discard;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),r.push("   outColor            = vColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),Rc=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null)}},{key:"eagerCreateRenders",value:function(){}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new Tc(this._scene,!1)),this._colorRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy()}}]),e}(),Lc={};var Uc=C((function e(){P(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perLineNumberPortionId8Bits=[],this.perLineNumberPortionId16Bits=[],this.perLineNumberPortionId32Bits=[]})),Oc=function(){function e(){P(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerLineIdPortionIds8Bits=null,this.texturePerLineIdPortionIds16Bits=null,this.texturePerLineIdPortionIds32Bits=null,this.texturePerLineIdIndices8Bits=null,this.texturePerLineIdIndices16Bits=null,this.texturePerLineIdIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerLineIdIndices8Bits,16:this.texturePerLineIdIndices16Bits,32:this.texturePerLineIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerLineIdPortionIds8Bits,16:this.texturePerLineIdPortionIds16Bits,32:this.texturePerLineIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindLineIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),Nc=function(){function e(t,i,r,s){var n=arguments.length>4&&void 0!==arguments[4]?arguments[4]:null;P(this,e),this._gl=t,this._texture=i,this._textureWidth=r,this._textureHeight=s,this._textureData=n}return C(e,[{key:"bindTexture",value:function(e,t,i){return e.bindTexture(t,this,i)}},{key:"bind",value:function(e){return this._gl.activeTexture(this._gl["TEXTURE"+e]),this._gl.bindTexture(this._gl.TEXTURE_2D,this._texture),!0}},{key:"unbind",value:function(e){}}]),e}(),Qc={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalLines:0,totalLines8Bits:0,totalLines16Bits:0,totalLines32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(Qc,null,4));var e=0;Object.keys(Qc).forEach((function(t){t.startsWith("size")&&(e+=Qc[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/Qc.totalLines).toFixed(2)));var t={};Object.keys(Qc).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((Qc[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var Vc=function(){function e(){P(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"generateTextureForColorsAndFlags",value:function(e,t,i,r,s){var n=t.length;this.numPortions=n;var o=4096,a=Math.ceil(n/512);if(0===a)throw"texture height===0";var l=new Uint8Array(16384*a);Qc.sizeDataColorsAndFlags+=l.byteLength,Qc.numberOfTextures++;for(var u=0;u<n;u++)l.set(t[u],32*u+0),l.set(i[u],32*u+4),l.set([0,0,0,0],32*u+8),l.set([0,0,0,0],32*u+12),l.set([r[u]>>24&255,r[u]>>16&255,r[u]>>8&255,255&r[u]],32*u+16),l.set([s[u]>>24&255,s[u]>>16&255,s[u]>>8&255,255&s[u]],32*u+20);var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,o,a),e.texSubImage2D(e.TEXTURE_2D,0,0,0,o,a,e.RGBA_INTEGER,e.UNSIGNED_BYTE,l,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,o,a,l)}},{key:"generateTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);Qc.sizeDataTextureOffsets+=s.byteLength,Qc.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,n,i,r,s)}},{key:"generateTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);Qc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,a,r,s,n)}},{key:"generateTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);Qc.sizeDataPositionDecodeMatrices+=n.byteLength,Qc.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,a,r,s)}},{key:"generateTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);Qc.sizeDataTextureIndices+=n.byteLength,Qc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"generateTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);Qc.sizeDataTextureIndices+=n.byteLength,Qc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"generateTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);Qc.sizeDataTextureIndices+=n.byteLength,Qc.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"generateTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);Qc.sizeDataTexturePositions+=o.byteLength,Qc.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var c=t[a];o.set(c,l),l+=c.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,A,s,n)}},{key:"generateTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),Qc.sizeDataTexturePortionIds+=n.byteLength,Qc.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,o,r,s)}}]),e}(),Hc=new ja,jc=Hc.maxDataTextureHeight,Gc=new Float32Array(16),zc=new Uint8Array(4),Kc=new Float32Array(3),Wc=0,Xc=re.identityMat4(),Jc=function(){function e(t,i){var r,s,n;P(this,e),Qc.numberOfLayers++,this._layerNumber=Wc++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=Lc[s])||(n=new Rc(r),Lc[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete Lc[s],n._destroy()}))),n),this.model=t,this._buffer=new Uc,this._dataTextureState=new Oc,this._dataTextureGenerator=new Vc,this._state=new Ii({origin:re.vec3(i.origin),textureState:this._dataTextureState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&Qc.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/2})),(this._state.numVertices+n>4096*jc||s+o>4096*jc)&&Qc.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*jc&&s+o<=4096*jc)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/2/8)*2;Qc.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}var s=t.positionsCompressed,n=t.indices,o=this._buffer;o.positionsCompressed.push(s);var a,l=o.lenPositionsCompressed/3,u=s.length/3;o.lenPositionsCompressed+=s.length;var c,A=0;n&&(A=n.length/2,u<=256?(c=o.indices8Bits,a=o.lenIndices8Bits/2,o.lenIndices8Bits+=n.length):u<=65536?(c=o.indices16Bits,a=o.lenIndices16Bits/2,o.lenIndices16Bits+=n.length):(c=o.indices32Bits,a=o.lenIndices32Bits/2,o.lenIndices32Bits+=n.length),c.push(n));return this._state.numVertices+=u,Qc.numberOfGeometries++,{vertexBase:l,numVertices:u,numLines:A,indicesBase:a}}},{key:"_createSubPortion",value:function(e,t){var i,r=e.color,s=e.colors,n=e.opacity,o=e.meshMatrix,a=e.pickColor,l=this._buffer,u=this._state;l.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),l.perObjectInstancePositioningMatrices.push(o||Xc),l.perObjectSolid.push(!!e.solid),s?l.perObjectColors.push([255*s[0],255*s[1],255*s[2],255]):r&&l.perObjectColors.push([r[0],r[1],r[2],n]),l.perObjectPickColors.push(a),l.perObjectVertexBases.push(t.vertexBase),i=t.numVertices<=256?u.numIndices8Bits:t.numVertices<=65536?u.numIndices16Bits:u.numIndices32Bits,l.perObjectIndexBaseOffsets.push(i/2-t.indicesBase);var c=this._subPortions.length;if(t.numLines>0){var A,h=2*t.numLines;t.numVertices<=256?(A=l.perLineNumberPortionId8Bits,u.numIndices8Bits+=h,Qc.totalLines8Bits+=t.numLines):t.numVertices<=65536?(A=l.perLineNumberPortionId16Bits,u.numIndices16Bits+=h,Qc.totalLines16Bits+=t.numLines):(A=l.perLineNumberPortionId32Bits,u.numIndices32Bits+=h,Qc.totalLines32Bits+=t.numLines),Qc.totalLines+=t.numLines;for(var d=0;d<t.numLines;d+=8)A.push(c)}return this._subPortions.push({numVertices:t.numLines}),this._numPortions++,Qc.numberOfPortions++,c}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dataTextureState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dataTextureGenerator.generateTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dataTextureGenerator.generateTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dataTextureGenerator.generateTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dataTextureGenerator.generateTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerLineIdPortionIds8Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId8Bits),i.texturePerLineIdPortionIds16Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId16Bits),i.texturePerLineIdPortionIds32Bits=this._dataTextureGenerator.generateTextureForPackedPortionIds(r,s.perLineNumberPortionId32Bits),s.lenIndices8Bits>0&&(i.texturePerLineIdIndices8Bits=this._dataTextureGenerator.generateTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerLineIdIndices16Bits=this._dataTextureGenerator.generateTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerLineIdIndices32Bits=this._dataTextureGenerator.generateTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dataTextureState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;zc[0]=t[0],zc[1]=t[1],zc[2]=t[2],zc[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(zc,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,zc))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&Ye),a=!!(t&tt),l=!!(t&it),u=!!(t&rt),c=!!(t&qe),A=!!(t&Ze);s=!o||A||a?ia.NOT_RENDERED:i?ia.COLOR_TRANSPARENT:ia.COLOR_OPAQUE,n=!o||A?ia.NOT_RENDERED:u?ia.SILHOUETTE_SELECTED:l?ia.SILHOUETTE_HIGHLIGHTED:a?ia.SILHOUETTE_XRAYED:ia.NOT_RENDERED;var h=o&&!A&&c?ia.PICK:ia.NOT_RENDERED,d=this._dataTextureState,p=this.model.scene.canvas.gl;zc[0]=s,zc[1]=n,zc[3]=h,d.texturePerObjectColorsAndFlags._textureData.set(zc,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),p.bindTexture(p.TEXTURE_2D,d.texturePerObjectColorsAndFlags._texture),p.texSubImage2D(p.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,p.RGBA_INTEGER,p.UNSIGNED_BYTE,zc))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&$e?255:0,s=this._dataTextureState,n=this.model.scene.canvas.gl;zc[0]=r,zc[1]=0,zc[2]=1,zc[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(zc,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,zc))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Kc[0]=t[0],Kc[1]=t[1],Kc[2]=t[2],i.texturePerObjectOffsets._textureData.set(Kc,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,Kc))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dataTextureState,r=this.model.scene.canvas.gl;Gc.set(t),i.texturePerObjectInstanceMatrices._textureData.set(Gc,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,Gc))}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE)}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT)}},{key:"drawDepth",value:function(e,t){}},{key:"drawNormals",value:function(e,t){}},{key:"drawSilhouetteXRayed",value:function(e,t){}},{key:"drawSilhouetteHighlighted",value:function(e,t){}},{key:"drawSilhouetteSelected",value:function(e,t){}},{key:"drawEdgesColorOpaque",value:function(e,t){}},{key:"drawEdgesColorTransparent",value:function(e,t){}},{key:"drawEdgesHighlighted",value:function(e,t){}},{key:"drawEdgesSelected",value:function(e,t){}},{key:"drawEdgesXRayed",value:function(e,t){}},{key:"drawOcclusion",value:function(e,t){}},{key:"drawShadow",value:function(e,t){}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){}},{key:"drawPickDepths",value:function(e,t){}},{key:"drawSnapInit",value:function(e,t){}},{key:"drawSnap",value:function(e,t){}},{key:"drawPickNormals",value:function(e,t){}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),Yc=re.vec3(),Zc=re.vec3(),qc=re.vec3();re.vec3();var $c=re.vec4(),eA=re.mat4(),tA=function(){function e(t,i){P(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=Yc;if(p){var g=re.transformPoint3(A,u,Zc);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],h=ze(s.viewMatrix,v,eA),(d=qc)[0]=s.eye[0]-v[0],d[1]=s.eye[1]-v[1],d[2]=s.eye[2]-v[2]}else h=s.viewMatrix,d=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0){var b=r._sectionPlanesState.sectionPlanes,B=t.layerIndex*y,w=n.renderFlags;r.crossSections&&(o.uniform4fv(this._uSliceColor,r.crossSections.sliceColor),o.uniform1f(this._uSliceThickness,r.crossSections.sliceThickness));for(var P=0;P<_;P++){var x=this._uSectionPlanes[P];if(x)if(P<y){var C=w.sectionPlanesActivePerLayer[B+P];if(o.uniform1i(x.active,C?1:0),C){var M=b[P];if(u){var E=Je(M.dist,M.dir,u,Yc,n.matrix);o.uniform3fv(x.pos,E)}else o.uniform3fv(x.pos,M.pos);o.uniform3fv(x.dir,M.dir)}}else o.uniform1i(x.active,0)}}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl,i=e._lightsState;if(this._program=new ui(t,this._buildShader()),this._program.errors)return this.errors=this._program.errors,void console.error(this.errors);var r=this._program;this._uRenderPass=r.getLocation("renderPass"),this._uLightAmbient=r.getLocation("lightAmbient"),this._uLightColor=[],this._uLightDir=[],this._uLightPos=[],this._uLightAttenuation=[];for(var s=i.lights,n=0,o=s.length;n<o;n++)switch(s[n].type){case"dir":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=null,this._uLightDir[n]=r.getLocation("lightDir"+n);break;case"point":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=null,this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n);break;case"spot":this._uLightColor[n]=r.getLocation("lightColor"+n),this._uLightPos[n]=r.getLocation("lightPos"+n),this._uLightDir[n]=r.getLocation("lightDir"+n),this._uLightAttenuation[n]=r.getLocation("lightAttenuation"+n)}this._uSceneModelMatrix=r.getLocation("sceneModelMatrix"),this._uViewMatrix=r.getLocation("viewMatrix"),this._uProjMatrix=r.getLocation("projMatrix"),this._uSectionPlanes=[];for(var a=0,l=e._sectionPlanesState.getNumAllocatedSectionPlanes();a<l;a++)this._uSectionPlanes.push({active:r.getLocation("sectionPlaneActive"+a),pos:r.getLocation("sectionPlanePos"+a),dir:r.getLocation("sectionPlaneDir"+a)});this._withSAO&&(this._uOcclusionTexture="uOcclusionTexture",this._uSAOParams=r.getLocation("uSAOParams")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=r.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=r.getLocation("uCameraEyeRtc"),e.crossSections&&(this._uSliceColor=r.getLocation("sliceColor"),this._uSliceThickness=r.getLocation("sliceThickness"))}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t._lightsState.lights,n=t.camera.project;r.bind(),this._uLightAmbient&&i.uniform4fv(this._uLightAmbient,t._lightsState.getAmbientColorAndIntensity());for(var o=0,a=s.length;o<a;o++){var l=s[o];this._uLightColor[o]&&i.uniform4f(this._uLightColor[o],l.color[0],l.color[1],l.color[2],l.intensity),this._uLightPos[o]&&(i.uniform3fv(this._uLightPos[o],l.pos),this._uLightAttenuation[o]&&i.uniform1f(this._uLightAttenuation[o],l.attenuation)),this._uLightDir[o]&&i.uniform3fv(this._uLightDir[o],l.dir)}if(this._withSAO){var u=t.sao;if(u.possible){var c=i.drawingBufferWidth,A=i.drawingBufferHeight;$c[0]=c,$c[1]=A,$c[2]=u.blendCutoff,$c[3]=u.blendFactor,i.uniform4fv(this._uSAOParams,$c),this._program.bindTexture(this._uOcclusionTexture,e.occlusionTexture,10)}}if(t.logarithmicDepthBufferEnabled){var h=2/(Math.log(n.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,h)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e,t=this._scene,i=t._sectionPlanesState,r=t._lightsState,s=i.getNumAllocatedSectionPlanes()>0,n=[];n.push("#version 300 es"),n.push("// TrianglesDataTextureColorRenderer vertex shader"),n.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),n.push("precision highp float;"),n.push("precision highp int;"),n.push("precision highp usampler2D;"),n.push("precision highp isampler2D;"),n.push("precision highp sampler2D;"),n.push("#else"),n.push("precision mediump float;"),n.push("precision mediump int;"),n.push("precision mediump usampler2D;"),n.push("precision mediump isampler2D;"),n.push("precision mediump sampler2D;"),n.push("#endif"),n.push("uniform int renderPass;"),n.push("uniform mat4 sceneModelMatrix;"),n.push("uniform mat4 viewMatrix;"),n.push("uniform mat4 projMatrix;"),n.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),n.push("uniform highp sampler2D uTexturePerObjectMatrix;"),n.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),n.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),n.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),n.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),n.push("uniform vec3 uCameraEyeRtc;"),n.push("vec3 positions[3];"),t.logarithmicDepthBufferEnabled&&(n.push("uniform float logDepthBufFC;"),n.push("out float vFragDepth;"),n.push("out float isPerspective;")),n.push("bool isPerspectiveMatrix(mat4 m) {"),n.push("    return (m[2][3] == - 1.0);"),n.push("}"),n.push("uniform vec4 lightAmbient;");for(var o=0,a=r.lights.length;o<a;o++)"ambient"!==(e=r.lights[o]).type&&(n.push("uniform vec4 lightColor"+o+";"),"dir"===e.type&&n.push("uniform vec3 lightDir"+o+";"),"point"===e.type&&n.push("uniform vec3 lightPos"+o+";"),"spot"===e.type&&(n.push("uniform vec3 lightPos"+o+";"),n.push("uniform vec3 lightDir"+o+";")));s&&(n.push("out vec4 vWorldPosition;"),n.push("flat out uint vFlags2;")),n.push("out vec4 vColor;"),n.push("void main(void) {"),n.push("int polygonIndex = gl_VertexID / 3;"),n.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),n.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),n.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),n.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),n.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),n.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),n.push("if (int(flags.x) != renderPass) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("} else {"),n.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),n.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),n.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),n.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),n.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),n.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),n.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),n.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),n.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),n.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),n.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),n.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),n.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),n.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),n.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),n.push("if (color.a == 0u) {"),n.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),n.push("   return;"),n.push("};"),n.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),n.push("vec3 position;"),n.push("position = positions[gl_VertexID % 3];"),n.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),n.push("if (solid != 1u) {"),n.push("if (isPerspectiveMatrix(projMatrix)) {"),n.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),n.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("} else {"),n.push("if (viewNormal.z < 0.0) {"),n.push("position = positions[2 - (gl_VertexID % 3)];"),n.push("viewNormal = -viewNormal;"),n.push("}"),n.push("}"),n.push("}"),n.push("vec4 worldPosition = sceneModelMatrix * ((objectDecodeAndInstanceMatrix * vec4(position, 1.0))); "),n.push("vec4 viewPosition = viewMatrix * worldPosition; "),n.push("vec3 reflectedColor = vec3(0.0, 0.0, 0.0);"),n.push("vec3 viewLightDir = vec3(0.0, 0.0, -1.0);"),n.push("float lambertian = 1.0;");for(var l=0,u=r.lights.length;l<u;l++)if("ambient"!==(e=r.lights[l]).type){if("dir"===e.type)"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);");else if("point"===e.type)"view"===e.space?n.push("viewLightDir = -normalize(lightPos"+l+" - viewPosition.xyz);"):n.push("viewLightDir = -normalize((viewMatrix * vec4(lightPos"+l+", 0.0)).xyz);");else{if("spot"!==e.type)continue;"view"===e.space?n.push("viewLightDir = normalize(lightDir"+l+");"):n.push("viewLightDir = normalize((viewMatrix * vec4(lightDir"+l+", 0.0)).xyz);")}n.push("lambertian = max(dot(-viewNormal, viewLightDir), 0.0);"),n.push("reflectedColor += lambertian * (lightColor"+l+".rgb * lightColor"+l+".a);")}return n.push("vec3 rgb = vec3(color.rgb) / 255.0;"),n.push("vColor =  vec4((lightAmbient.rgb * lightAmbient.a * rgb) + (reflectedColor * rgb), float(color.a) / 255.0);"),n.push("vec4 clipPos = projMatrix * viewPosition;"),t.logarithmicDepthBufferEnabled&&(n.push("vFragDepth = 1.0 + clipPos.w;"),n.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),s&&(n.push("vWorldPosition = worldPosition;"),n.push("vFlags2 = flags2.r;")),n.push("gl_Position = clipPos;"),n.push("}"),n.push("}"),n}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState,i=t.getNumAllocatedSectionPlanes()>0,r=[];if(r.push("#version 300 es"),r.push("// TrianglesDataTextureColorRenderer fragment shader"),r.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),r.push("precision highp float;"),r.push("precision highp int;"),r.push("#else"),r.push("precision mediump float;"),r.push("precision mediump int;"),r.push("#endif"),e.logarithmicDepthBufferEnabled&&(r.push("in float isPerspective;"),r.push("uniform float logDepthBufFC;"),r.push("in float vFragDepth;")),this._withSAO&&(r.push("uniform sampler2D uOcclusionTexture;"),r.push("uniform vec4      uSAOParams;"),r.push("const float       packUpscale = 256. / 255.;"),r.push("const float       unpackDownScale = 255. / 256.;"),r.push("const vec3        packFactors = vec3( 256. * 256. * 256., 256. * 256.,  256. );"),r.push("const vec4        unPackFactors = unpackDownScale / vec4( packFactors, 1. );"),r.push("float unpackRGBToFloat( const in vec4 v ) {"),r.push("    return dot( v, unPackFactors );"),r.push("}")),i){r.push("in vec4 vWorldPosition;"),r.push("flat in uint vFlags2;");for(var s=0,n=t.getNumAllocatedSectionPlanes();s<n;s++)r.push("uniform bool sectionPlaneActive"+s+";"),r.push("uniform vec3 sectionPlanePos"+s+";"),r.push("uniform vec3 sectionPlaneDir"+s+";");r.push("uniform float sliceThickness;"),r.push("uniform vec4 sliceColor;")}if(r.push("in vec4 vColor;"),r.push("out vec4 outColor;"),r.push("void main(void) {"),r.push("  vec4 newColor;"),r.push("  newColor = vColor;"),i){r.push("  bool clippable = vFlags2 > 0u;"),r.push("  if (clippable) {"),r.push("  float dist = 0.0;");for(var o=0,a=t.getNumAllocatedSectionPlanes();o<a;o++)r.push("if (sectionPlaneActive"+o+") {"),r.push("   dist += clamp(dot(-sectionPlaneDir"+o+".xyz, vWorldPosition.xyz - sectionPlanePos"+o+".xyz), 0.0, 1000.0);"),r.push("}");r.push("  if (dist > sliceThickness) { "),r.push("      discard;"),r.push("  }"),r.push("  if (dist > 0.0) { "),r.push("      newColor = sliceColor;"),r.push("  }"),r.push("}")}return e.logarithmicDepthBufferEnabled&&r.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),this._withSAO?(r.push("   float viewportWidth     = uSAOParams[0];"),r.push("   float viewportHeight    = uSAOParams[1];"),r.push("   float blendCutoff       = uSAOParams[2];"),r.push("   float blendFactor       = uSAOParams[3];"),r.push("   vec2 uv                 = vec2(gl_FragCoord.x / viewportWidth, gl_FragCoord.y / viewportHeight);"),r.push("   float ambient           = smoothstep(blendCutoff, 1.0, unpackRGBToFloat(texture(uOcclusionTexture, uv))) * blendFactor;"),r.push("   outColor            = vec4(newColor.rgb * ambient, 1.0);")):r.push("   outColor            = newColor;"),r.push("}"),r}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),iA=new Float32Array([1,1,1]),rA=re.vec3(),sA=re.vec3(),nA=re.vec3();re.vec3();var oA=re.mat4(),aA=function(){function e(t,i){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix,h=s.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d,p;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==c[0]||0!==c[1]||0!==c[2]){var f=rA;if(u){var v=sA;re.transformPoint3(A,u,v),f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=c[0],f[1]+=c[1],f[2]+=c[2],d=ze(h,f,oA),(p=nA)[0]=s.eye[0]-f[0],p[1]=s.eye[1]-f[1],p[2]=s.eye[2]-f[2]}else d=h,p=s.eye;if(o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),i===ia.SILHOUETTE_XRAYED){var g=r.xrayMaterial._state,m=g.fillColor,_=g.fillAlpha;o.uniform4f(this._uColor,m[0],m[1],m[2],_)}else if(i===ia.SILHOUETTE_HIGHLIGHTED){var y=r.highlightMaterial._state,b=y.fillColor,B=y.fillAlpha;o.uniform4f(this._uColor,b[0],b[1],b[2],B)}else if(i===ia.SILHOUETTE_SELECTED){var w=r.selectedMaterial._state,P=w.fillColor,x=w.fillAlpha;o.uniform4f(this._uColor,P[0],P[1],P[2],x)}else o.uniform4fv(this._uColor,iA);if(r.logarithmicDepthBufferEnabled){var C=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,C)}var M=r._sectionPlanesState.getNumAllocatedSectionPlanes(),E=r._sectionPlanesState.sectionPlanes.length;if(M>0)for(var F=r._sectionPlanesState.sectionPlanes,k=t.layerIndex*E,I=n.renderFlags,D=0;D<M;D++){var S=this._uSectionPlanes[D];if(S)if(D<E){var T=I.sectionPlanesActivePerLayer[k+D];if(o.uniform1i(S.active,T?1:0),T){var R=F[D];if(u){var L=Je(R.dist,R.dir,u,rA,n.matrix);o.uniform3fv(S.pos,L)}else o.uniform3fv(S.pos,R.pos);o.uniform3fv(S.dir,R.dir)}}else o.uniform1i(S.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=t.camera.project;if(this._program.bind(),t.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture silhouette vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.y) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("uniform vec4 color;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = color;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    outColor = newColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),lA=new Float32Array([0,0,0,1]),uA=re.vec3(),cA=re.vec3();re.vec3();var AA=re.mat4(),hA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=uA;if(p){var g=re.transformPoint3(A,u,cA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=ze(h,v,AA)}else d=h;if(o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),i===ia.EDGES_XRAYED){var m=s.xrayMaterial._state,_=m.edgeColor,y=m.edgeAlpha;o.uniform4f(this._uColor,_[0],_[1],_[2],y)}else if(i===ia.EDGES_HIGHLIGHTED){var b=s.highlightMaterial._state,B=b.edgeColor,w=b.edgeAlpha;o.uniform4f(this._uColor,B[0],B[1],B[2],w)}else if(i===ia.EDGES_SELECTED){var P=s.selectedMaterial._state,x=P.edgeColor,C=P.edgeAlpha;o.uniform4f(this._uColor,x[0],x[1],x[2],C)}else o.uniform4fv(this._uColor,lA);var M=s._sectionPlanesState.getNumAllocatedSectionPlanes(),E=s._sectionPlanesState.sectionPlanes.length;if(M>0)for(var F=s._sectionPlanesState.sectionPlanes,k=t.layerIndex*E,I=r.renderFlags,D=0;D<M;D++){var S=this._uSectionPlanes[D];if(S)if(D<E){var T=I.sectionPlanesActivePerLayer[k+D];if(o.uniform1i(S.active,T?1:0),T){var R=F[D];if(u){var L=Je(R.dist,R.dir,u,uA,r.matrix);o.uniform3fv(S.pos,L)}else o.uniform3fv(S.pos,R.pos);o.uniform3fv(S.dir,R.dir)}}else o.uniform1i(S.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uColor=i.getLocation("color"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec4 color;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("mat4 matrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vColor = vec4(color.r, color.g, color.b, color.a);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesEdgesRenderer fragment shader"),e.logarithmicDepthBufferEnabled&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),dA=re.vec3(),pA=re.vec3(),fA=re.mat4(),vA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=n.viewMatrix;if(this._program||(this._allocate(),!this.errors)){var d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=dA;if(p){var g=re.transformPoint3(A,u,pA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],d=ze(h,v,fA)}else d=h;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,B=r.renderFlags,w=0;w<m;w++){var P=this._uSectionPlanes[w];if(P)if(w<_){var x=B.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(P.active,x?1:0),x){var C=y[w];if(u){var M=Je(C.dist,C.dir,u,dA,r.matrix);o.uniform3fv(P.pos,M)}else o.uniform3fv(P.pos,C.pos);o.uniform3fv(P.dir,C.dir)}}else o.uniform1i(P.active,0)}a.numEdgeIndices8Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),o.drawArrays(o.LINES,0,a.numEdgeIndices8Bits)),a.numEdgeIndices16Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),o.drawArrays(o.LINES,0,a.numEdgeIndices16Bits)),a.numEdgeIndices32Bits>0&&(l.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),o.drawArrays(o.LINES,0,a.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix"}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=this._program,r=e.camera.project;if(i.bind(),e.logarithmicDepthBufferEnabled){var s=2/(Math.log(r.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,s)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled,i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uObjectPerObjectOffsets;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;")),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vColor;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.z) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("vec4 rgb = vec4(color.rgba);"),i.push("vColor = vec4(float(rgb.r*0.5) / 255.0, float(rgb.g*0.5) / 255.0, float(rgb.b*0.5) / 255.0, float(rgb.a) / 255.0);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureEdgesColorRenderer"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";");i.push("uniform float sliceThickness;"),i.push("uniform vec4 sliceColor;")}if(i.push("in vec4 vColor;"),i.push("out vec4 outColor;"),i.push("void main(void) {"),i.push("  vec4 newColor;"),i.push("  newColor = vColor;"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > sliceThickness) { "),i.push("      discard;"),i.push("  }"),i.push("  if (dist > 0.0) { "),i.push("      newColor = sliceColor;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outColor            = newColor;"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),gA=re.vec3(),mA=re.vec3(),_A=re.vec3(),yA=re.mat4(),bA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(t),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e));var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=e.pickViewMatrix||a.viewMatrix,f=e.pickProjMatrix||a.projMatrix,v=e.pickOrigin||a.eye,g=e.pickProjMatrix?e.pickZFar:a.project.far;c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==A[0]||0!==A[1]||0!==A[2],_=0!==h[0]||0!==h[1]||0!==h[2];if(m||_){var y=gA;if(m){var b=re.transformPoint3(d,A,mA);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=h[0],y[1]+=h[1],y[2]+=h[2],r=ze(p,y,yA),(s=_A)[0]=v[0]-y[0],s[1]=v[1]-y[1],s[2]=v[2]-y[2]}else r=p,s=v;if(l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,f),l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),o.logarithmicDepthBufferEnabled){var B=2/(Math.log(g+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,B)}var w=o._sectionPlanesState.getNumAllocatedSectionPlanes(),P=o._sectionPlanesState.sectionPlanes.length;if(w>0)for(var x=o._sectionPlanesState.sectionPlanes,C=t.layerIndex*P,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<P){var k=M.sectionPlanesActivePerLayer[C+E];if(l.uniform1i(F.active,k?1:0),k){var I=x[E];if(A){var D=Je(I.dist,I.dir,A,gA,n.matrix);l.uniform3fv(F.pos,D)}else l.uniform3fv(F.pos,I.pos);l.uniform3fv(F.dir,I.dir)}}else l.uniform1i(F.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene.canvas.gl;this._program.bind(),t.uniform1i(this._uPickInvisible,e.pickInvisible)}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry picking vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("smooth out vec4 vWorldPosition;"),i.push("flat out uvec4 vFlags2;")),i.push("out vec4 vPickColor;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0)) / 255.0;"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2;")),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry picking fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uvec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vPickColor;"),i.push("out vec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("   outPickColor = vPickColor; "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),BA=re.vec3(),wA=re.vec3(),PA=re.vec3();re.vec3();var xA=re.mat4(),CA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=e.pickViewMatrix||a.viewMatrix,f=e.pickProjMatrix||a.projMatrix,v=e.pickOrigin||a.eye,g=e.pickProjMatrix?e.pickZFar:a.project.far;if(this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),A||0!==h[0]||0!==h[1]||0!==h[2]){var m=BA;if(A){var _=wA;re.transformPoint3(d,A,_),m[0]=_[0],m[1]=_[1],m[2]=_[2]}else m[0]=0,m[1]=0,m[2]=0;m[0]+=h[0],m[1]+=h[1],m[2]+=h[2],r=ze(p,m,xA),(s=PA)[0]=v[0]-m[0],s[1]=v[1]-m[1],s[2]=v[2]-m[2],e.snapPickOrigin[0]=m[0],e.snapPickOrigin[1]=m[1],e.snapPickOrigin[2]=m[2]}else r=p,s=v,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;if(l.uniform3fv(this._uCameraEyeRtc,s),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniform2fv(this._uPickClipPos,e.pickClipPos),l.uniform2f(this._uDrawingBufferSize,l.drawingBufferWidth,l.drawingBufferHeight),l.uniform1f(this._uPickZNear,e.pickZNear),l.uniform1f(this._uPickZFar,e.pickZFar),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,f),o.logarithmicDepthBufferEnabled){var y=2/(Math.log(g+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,y)}var b=o._sectionPlanesState.getNumAllocatedSectionPlanes(),B=o._sectionPlanesState.sectionPlanes.length;if(b>0)for(var w=o._sectionPlanesState.sectionPlanes,P=t.layerIndex*B,x=n.renderFlags,C=0;C<b;C++){var M=this._uSectionPlanes[C];if(M)if(C<B){var E=x.sectionPlanesActivePerLayer[P+C];if(l.uniform1i(M.active,E?1:0),E){var F=w[C];if(A){var k=Je(F.dist,F.dir,A,BA,n.matrix);l.uniform3fv(M.pos,k)}else l.uniform3fv(M.pos,F.pos);l.uniform3fv(M.dir,F.dir)}}else l.uniform1i(M.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform bool pickInvisible;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),t&&(i.push("      vWorldPosition = worldPosition;"),i.push("      vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = remapClipPos(clipPos);"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("uniform float pickZNear;"),i.push("uniform float pickZFar;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec4 vViewPosition;"),i.push("vec4 packDepth(const in float depth) {"),i.push("  const vec4 bitShift = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);"),i.push("  const vec4 bitMask  = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);"),i.push("  vec4 res = fract(depth * bitShift);"),i.push("  res -= res.xxyz * bitMask;"),i.push("  return res;"),i.push("}"),i.push("out vec4 outPackedDepth;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("      if (sectionPlaneActive"+r+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+r+".xyz, vWorldPosition.xyz - sectionPlanePos"+r+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    float zNormalizedDepth = abs((pickZNear + vViewPosition.z) / (pickZFar - pickZNear));"),i.push("    outPackedDepth = packDepth(zNormalizedDepth); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),MA=re.vec3(),EA=re.vec3(),FA=re.vec3(),kA=re.vec3();re.vec3();var IA=re.mat4(),DA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=t.aabb,f=e.pickViewMatrix||a.viewMatrix,v=MA;v[0]=re.safeInv(p[3]-p[0])*re.MAX_INT,v[1]=re.safeInv(p[4]-p[1])*re.MAX_INT,v[2]=re.safeInv(p[5]-p[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){var _=EA;if(g){var y=re.transformPoint3(d,A,FA);_[0]=y[0],_[1]=y[1],_[2]=y[2]}else _[0]=0,_[1]=0,_[2]=0;_[0]+=h[0],_[1]+=h[1],_[2]+=h[2],r=ze(f,_,IA),(s=kA)[0]=a.eye[0]-_[0],s[1]=a.eye[1]-_[1],s[2]=a.eye[2]-_[2],e.snapPickOrigin[0]=_[0],e.snapPickOrigin[1]=_[1],e.snapPickOrigin[2]=_[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this.uVectorA,e.snapVectorA),l.uniform2fv(this.uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,v),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var b=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,b);var B=o._sectionPlanesState.getNumAllocatedSectionPlanes(),w=o._sectionPlanesState.sectionPlanes.length;if(B>0)for(var P=o._sectionPlanesState.sectionPlanes,x=t.layerIndex*w,C=n.renderFlags,M=0;M<B;M++){var E=this._uSectionPlanes[M];if(E)if(M<w){var F=C.sectionPlanesActivePerLayer[x+M];if(l.uniform1i(E.active,F?1:0),F){var k=P[M];if(A){var I=Je(k.dist,k.dir,A,MA,n.matrix);l.uniform3fv(E.pos,I)}else l.uniform3fv(E.pos,k.pos);l.uniform3fv(E.dir,k.dir)}}else l.uniform1i(E.active,0)}var D="edge"===e.snapMode?l.LINES:l.POINTS;u.numEdgeIndices8Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,8),l.drawArrays(D,0,u.numEdgeIndices8Bits)),u.numEdgeIndices16Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,16),l.drawArrays(D,0,u.numEdgeIndices16Bits)),u.numEdgeIndices32Bits>0&&(c.bindEdgeIndicesTextures(this._program,this._uTexturePerEdgeIdPortionIds,this._uTexturePerPolygonIdEdgeIndices,32),l.drawArrays(D,0,u.numEdgeIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdEdgeIndices="uTexturePerPolygonIdEdgeIndices",this._uTexturePerEdgeIdPortionIds="uTexturePerEdgeIdPortionIds",this._uTextureModelMatrices="uTextureModelMatrices",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this.uVectorA=i.getLocation("uSnapVectorA"),this.uInverseVectorAB=i.getLocation("uSnapInvVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Batched geometry edges drawing vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdEdgeIndices;"),i.push("uniform mediump usampler2D uTexturePerEdgeIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uSnapVectorA;"),i.push("uniform vec2 uSnapInvVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out float isPerspective;"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uSnapVectorA.x) * uSnapInvVectorAB.x;"),i.push("    float y = (clipPos.y - uSnapVectorA.y) * uSnapInvVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("out vec4 vViewPosition;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int edgeIndex = gl_VertexID / 2;"),i.push("int h_packed_object_id_index = (edgeIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (edgeIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerEdgeIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedEdgeIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+6, objectIndexCoords.y), 0));"),i.push("int edgeIndexBaseOffset = (packedEdgeIndexBaseOffset.r << 24) + (packedEdgeIndexBaseOffset.g << 16) + (packedEdgeIndexBaseOffset.b << 8) + packedEdgeIndexBaseOffset.a;"),i.push("int h_index = (edgeIndex - edgeIndexBaseOffset) & 4095;"),i.push("int v_index = (edgeIndex - edgeIndexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdEdgeIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("int indexPositionH = uniqueVertexIndexes[gl_VertexID % 2] & 4095;"),i.push("int indexPositionV = uniqueVertexIndexes[gl_VertexID % 2] >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("vec3 position = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH, indexPositionV), 0));"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("      vec4 viewPosition  = viewMatrix * worldPosition; "),t&&(i.push("  vWorldPosition = worldPosition;"),i.push("  vFlags2 = flags2.r;")),i.push("vViewPosition = viewPosition;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vViewPosition = clipPos;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("gl_PointSize = 1.0;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture pick depth fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("out highp ivec4 outCoords;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, uLayerNumber);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),SA=re.vec3(),TA=re.vec3(),RA=re.vec3(),LA=re.vec3();re.vec3();var UA=re.mat4(),OA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){this._program||this._allocate(),e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram());var r,s,n=t.model,o=n.scene,a=o.camera,l=o.canvas.gl,u=t._state,c=u.textureState,A=t._state.origin,h=n.position,d=n.rotationMatrix,p=t.aabb,f=e.pickViewMatrix||a.viewMatrix,v=SA;v[0]=re.safeInv(p[3]-p[0])*re.MAX_INT,v[1]=re.safeInv(p[4]-p[1])*re.MAX_INT,v[2]=re.safeInv(p[5]-p[2])*re.MAX_INT,e.snapPickCoordinateScale[0]=re.safeInv(v[0]),e.snapPickCoordinateScale[1]=re.safeInv(v[1]),e.snapPickCoordinateScale[2]=re.safeInv(v[2]),c.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var g=0!==A[0]||0!==A[1]||0!==A[2],m=0!==h[0]||0!==h[1]||0!==h[2];if(g||m){var _=TA;if(g){var y=RA;re.transformPoint3(d,A,y),_[0]=y[0],_[1]=y[1],_[2]=y[2]}else _[0]=0,_[1]=0,_[2]=0;_[0]+=h[0],_[1]+=h[1],_[2]+=h[2],r=ze(f,_,UA),(s=LA)[0]=a.eye[0]-_[0],s[1]=a.eye[1]-_[1],s[2]=a.eye[2]-_[2],e.snapPickOrigin[0]=_[0],e.snapPickOrigin[1]=_[1],e.snapPickOrigin[2]=_[2]}else r=f,s=a.eye,e.snapPickOrigin[0]=0,e.snapPickOrigin[1]=0,e.snapPickOrigin[2]=0;l.uniform3fv(this._uCameraEyeRtc,s),l.uniform2fv(this._uVectorA,e.snapVectorA),l.uniform2fv(this._uInverseVectorAB,e.snapInvVectorAB),l.uniform1i(this._uLayerNumber,e.snapPickLayerNumber),l.uniform3fv(this._uCoordinateScaler,v),l.uniform1i(this._uRenderPass,i),l.uniform1i(this._uPickInvisible,e.pickInvisible),l.uniformMatrix4fv(this._uSceneWorldModelMatrix,!1,d),l.uniformMatrix4fv(this._uViewMatrix,!1,r),l.uniformMatrix4fv(this._uProjMatrix,!1,a.projMatrix);var b=2/(Math.log(e.pickZFar+1)/Math.LN2);l.uniform1f(this._uLogDepthBufFC,b);var B=o._sectionPlanesState.getNumAllocatedSectionPlanes(),w=o._sectionPlanesState.sectionPlanes.length;if(B>0)for(var P=o._sectionPlanesState.sectionPlanes,x=t.layerIndex*w,C=n.renderFlags,M=0;M<B;M++){var E=this._uSectionPlanes[M];if(E)if(M<w){var F=C.sectionPlanesActivePerLayer[x+M];if(l.uniform1i(E.active,F?1:0),F){var k=P[M];if(A){var I=Je(k.dist,k.dir,A,SA,n.matrix);l.uniform3fv(E.pos,I)}else l.uniform3fv(E.pos,k.pos);l.uniform3fv(E.dir,k.dir)}}else l.uniform1i(E.active,0)}u.numIndices8Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),l.drawArrays(l.TRIANGLES,0,u.numIndices8Bits)),u.numIndices16Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),l.drawArrays(l.TRIANGLES,0,u.numIndices16Bits)),u.numIndices32Bits>0&&(c.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),l.drawArrays(l.TRIANGLES,0,u.numIndices32Bits)),e.drawElements++}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uSceneWorldModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uLogDepthBufFC=i.getLocation("logDepthBufFC"),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc"),this._uVectorA=i.getLocation("uVectorAB"),this._uInverseVectorAB=i.getLocation("uInverseVectorAB"),this._uLayerNumber=i.getLocation("uLayerNumber"),this._uCoordinateScaler=i.getLocation("uCoordinateScaler")}}},{key:"_bindProgram",value:function(){this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("uniform vec2 uVectorAB;"),i.push("uniform vec2 uInverseVectorAB;"),i.push("vec3 positions[3];"),i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("vec2 remapClipPos(vec2 clipPos) {"),i.push("    float x = (clipPos.x - uVectorAB.x) * uInverseVectorAB.x;"),i.push("    float y = (clipPos.y - uVectorAB.y) * uInverseVectorAB.y;"),i.push("    return vec2(x, y);"),i.push("}"),i.push("flat out vec4 vPickColor;"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("out highp vec3 relativeToOriginPosition;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("}"),i.push("{"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  } else {"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("          viewNormal = -viewNormal;"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("relativeToOriginPosition = worldPosition.xyz;"),i.push("vec4 viewPosition  = viewMatrix * worldPosition; "),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("vPickColor = vec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+1, objectIndexCoords.y), 0));"),i.push("vec4 clipPos = projMatrix * viewPosition;"),i.push("float tmp = clipPos.w;"),i.push("clipPos.xyzw /= tmp;"),i.push("clipPos.xy = remapClipPos(clipPos.xy);"),i.push("clipPos.xyzw *= tmp;"),i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));"),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// DTXTrianglesSnapInitRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;"),i.push("uniform int uLayerNumber;"),i.push("uniform vec3 uCoordinateScaler;"),i.push("in vec4 vWorldPosition;"),i.push("flat in vec4 vPickColor;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in highp vec3 relativeToOriginPosition;"),i.push("layout(location = 0) out highp ivec4 outCoords;"),i.push("layout(location = 1) out highp ivec4 outNormal;"),i.push("layout(location = 2) out lowp uvec4 outPickColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var n=0;n<e._sectionPlanesState.getNumAllocatedSectionPlanes();n++)i.push("      if (sectionPlaneActive"+n+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("    float dx = dFdx(vFragDepth);"),i.push("    float dy = dFdy(vFragDepth);"),i.push("    float diff = sqrt(dx*dx+dy*dy);"),i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth + diff ) * logDepthBufFC * 0.5;"),i.push("outCoords = ivec4(relativeToOriginPosition.xyz * uCoordinateScaler.xyz, - uLayerNumber);"),i.push("vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("outPickColor = uvec4(vPickColor);"),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),NA=re.vec3(),QA=re.vec3(),VA=re.vec3();re.vec3();var HA=re.mat4(),jA=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=r.position,A=r.rotationMatrix,h=e.pickViewMatrix||n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var d,p;if(e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram()),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix),u||0!==c[0]||0!==c[1]||0!==c[2]){var f=NA;if(u){var v=QA;re.transformPoint3(A,u,v),f[0]=v[0],f[1]=v[1],f[2]=v[2]}else f[0]=0,f[1]=0,f[2]=0;f[0]+=c[0],f[1]+=c[1],f[2]+=c[2],d=ze(h,f,HA),(p=VA)[0]=n.eye[0]-f[0],p[1]=n.eye[1]-f[1],p[2]=n.eye[2]-f[2]}else d=h,p=n.eye;o.uniform3fv(this._uCameraEyeRtc,p),o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,d),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix);var g=s._sectionPlanesState.getNumAllocatedSectionPlanes(),m=s._sectionPlanesState.sectionPlanes.length;if(g>0)for(var _=s._sectionPlanesState.sectionPlanes,y=t.layerIndex*m,b=r.renderFlags,B=0;B<g;B++){var w=this._uSectionPlanes[B];if(w)if(B<m){var P=b.sectionPlanesActivePerLayer[y+B];if(o.uniform1i(w.active,P?1:0),P){var x=_[B];if(u){var C=Je(x.dist,x.dir,u,NA,r.matrix);o.uniform3fv(w.pos,C)}else o.uniform3fv(w.pos,x.pos);o.uniform3fv(w.dir,x.dir)}}else o.uniform1i(w.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uWorldMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._uPickZNear=i.getLocation("pickZNear"),this._uPickZFar=i.getLocation("pickZFar"),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(){var e=this._scene;e.canvas.gl,e.camera.project,this._program.bind()}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// TrianglesDataTextureOcclusionRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("if (solid != 1u) {"),i.push("  if (isPerspectiveMatrix(projMatrix)) {"),i.push("      vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("      if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  } else {"),i.push("      vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("      if (viewNormal.z < 0.0) {"),i.push("          position = positions[2 - (gl_VertexID % 3)];"),i.push("      }"),i.push("  }"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix *  (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene._sectionPlanesState,t=e.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTextureColorRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0;r<e.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out vec4 outColor;"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return i.push("   outColor = vec4(0.0, 0.0, 1.0, 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),GA=re.vec3(),zA=re.vec3(),KA=re.vec3();re.vec3();var WA=re.mat4(),XA=function(){function e(t){P(this,e),this._scene=t,this._allocate(),this._hash=this._getHash()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a)),l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var p=0!==u[0]||0!==u[1]||0!==u[2],f=0!==c[0]||0!==c[1]||0!==c[2];if(p||f){var v=GA;if(p){var g=re.transformPoint3(A,u,zA);v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=c[0],v[1]+=c[1],v[2]+=c[2],h=ze(s.viewMatrix,v,WA),(d=KA)[0]=s.eye[0]-v[0],d[1]=s.eye[1]-v[1],d[2]=s.eye[2]-v[2]}else h=s.viewMatrix,d=s.eye;if(o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,s.projMatrix),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var m=2/(Math.log(e.pickZFar+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,m)}var _=r._sectionPlanesState.getNumAllocatedSectionPlanes(),y=r._sectionPlanesState.sectionPlanes.length;if(_>0)for(var b=r._sectionPlanesState.sectionPlanes,B=t.layerIndex*y,w=n.renderFlags,P=0;P<_;P++){var x=this._uSectionPlanes[P];if(x)if(P<y){var C=w.sectionPlanesActivePerLayer[B+P];if(o.uniform1i(x.active,C?1:0),C){var M=b[P];if(u){var E=Je(M.dist,M.dir,u,GA,n.matrix);o.uniform3fv(x.pos,E)}else o.uniform3fv(x.pos,M.pos);o.uniform3fv(x.dir,M.dir)}}else o.uniform1i(x.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),i.uniformMatrix4fv(this._uProjMatrix,!1,s.matrix),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// Triangles dataTexture draw vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out highp vec2 vHighPrecisionZW;"),t&&(i.push("out vec4 vWorldPosition;"),i.push("flat out uint vFlags2;")),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.x) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),t&&(i.push("vWorldPosition = worldPosition;"),i.push("vFlags2 = flags2.r;")),i.push("gl_Position = clipPos;"),i.push("vHighPrecisionZW = gl_Position.zw;"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Triangles dataTexture draw fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),i.push("in highp vec2 vHighPrecisionZW;"),i.push("out vec4 outColor;"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;"),i.push("    outColor = vec4(vec3(1.0 - fragCoordZ), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),JA=re.vec3(),YA=re.vec3(),ZA=re.vec3();re.vec3();var qA=re.mat4(),$A=function(){function e(t){P(this,e),this._scene=t,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){return this._scene._sectionPlanesState.getHash()}},{key:"drawLayer",value:function(e,t,i){var r=t.model,s=r.scene,n=s.camera,o=s.canvas.gl,a=t._state,l=t._state.origin,u=r.position,c=r.rotationMatrix,A=n.viewMatrix;if(this._program||(this._allocate(t),!this.errors)){var h,d;e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(t));var p=0!==l[0]||0!==l[1]||0!==l[2],f=0!==u[0]||0!==u[1]||0!==u[2];if(p||f){var v=JA;if(p){var g=YA;re.transformPoint3(c,l,g),v[0]=g[0],v[1]=g[1],v[2]=g[2]}else v[0]=0,v[1]=0,v[2]=0;v[0]+=u[0],v[1]+=u[1],v[2]+=u[2],h=ze(A,v,qA),(d=ZA)[0]=n.eye[0]-v[0],d[1]=n.eye[1]-v[1],d[2]=n.eye[2]-v[2]}else h=A,d=n.eye;o.uniform1i(this._uRenderPass,i),o.uniformMatrix4fv(this._uWorldMatrix,!1,c),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,n.projMatrix),o.uniformMatrix4fv(this._uViewNormalMatrix,!1,n.viewNormalMatrix),o.uniformMatrix4fv(this._uWorldNormalMatrix,!1,r.worldNormalMatrix);var m=s._sectionPlanesState.getNumAllocatedSectionPlanes(),_=s._sectionPlanesState.sectionPlanes.length;if(m>0)for(var y=s._sectionPlanesState.sectionPlanes,b=t.layerIndex*_,B=r.renderFlags,w=0;w<m;w++){var P=this._uSectionPlanes[w];if(P)if(w<_){var x=B.sectionPlanesActivePerLayer[b+w];if(o.uniform1i(P.active,x?1:0),x){var C=y[w];if(l){var M=Je(C.dist,C.dir,l,JA,r.matrix);o.uniform3fv(P.pos,M)}else o.uniform3fv(P.pos,C.pos);o.uniform3fv(P.dir,C.dir)}}else o.uniform1i(P.active,0)}o.uniformMatrix4fv(this._uPositionsDecodeMatrix,!1,t._state.objectDecodeAndInstanceMatrix),this._aPosition.bindArrayBuffer(a.positionsBuf),this._aOffset.bindArrayBuffer(a.offsetsBuf),this._aNormal.bindArrayBuffer(a.normalsBuf),this._aColor.bindArrayBuffer(a.colorsBuf),this._aFlags.bindArrayBuffer(a.flagsBuf),this._aFlags2&&this._aFlags2.bindArrayBuffer(a.flags2Buf),a.indicesBuf.bind(),o.drawElements(o.TRIANGLES,a.indicesBuf.numItems,a.indicesBuf.itemType,0)}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPositionsDecodeMatrix=i.getLocation("objectDecodeAndInstanceMatrix"),this._uWorldMatrix=i.getLocation("worldMatrix"),this._uWorldNormalMatrix=i.getLocation("worldNormalMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uViewNormalMatrix=i.getLocation("viewNormalMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});this._aPosition=i.getAttribute("position"),this._aOffset=i.getAttribute("offset"),this._aNormal=i.getAttribute("normal"),this._aColor=i.getAttribute("color"),this._aFlags=i.getAttribute("flags"),this._aFlags2&&(this._aFlags2=i.getAttribute("flags2")),e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC"))}}},{key:"_bindProgram",value:function(){var e=this._scene,t=e.canvas.gl,i=e.camera.project;if(this._program.bind(),t.uniformMatrix4fv(this._uProjMatrix,!1,i.matrix),e.logarithmicDepthBufferEnabled){var r=2/(Math.log(i.far+1)/Math.LN2);t.uniform1f(this._uLogDepthBufFC,r)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("// Batched geometry normals vertex shader"),e.logarithmicDepthBufferEnabled&&$t.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("uniform int renderPass;"),i.push("attribute vec3 position;"),e.entityOffsetsEnabled&&i.push("attribute vec3 offset;"),i.push("attribute vec3 normal;"),i.push("attribute vec4 color;"),i.push("attribute vec4 flags;"),i.push("attribute vec4 flags2;"),i.push("uniform mat4 worldMatrix;"),i.push("uniform mat4 worldNormalMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform mat4 viewNormalMatrix;"),i.push("uniform mat4 objectDecodeAndInstanceMatrix;"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),$t.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("out float vFragDepth;"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("varying float isPerspective;")),i.push("vec3 octDecode(vec2 oct) {"),i.push("    vec3 v = vec3(oct.xy, 1.0 - abs(oct.x) - abs(oct.y));"),i.push("    if (v.z < 0.0) {"),i.push("        v.xy = (1.0 - abs(v.yx)) * vec2(v.x >= 0.0 ? 1.0 : -1.0, v.y >= 0.0 ? 1.0 : -1.0);"),i.push("    }"),i.push("    return normalize(v);"),i.push("}"),t&&(i.push("out vec4 vWorldPosition;"),i.push("out vec4 vFlags2;")),i.push("out vec3 vViewNormal;"),i.push("void main(void) {"),i.push("if (int(flags.x) != renderPass) {"),i.push("      gl_Position = vec4(0.0, 0.0, 0.0, 0.0);"),i.push("  } else {"),i.push("      vec4 worldPosition = worldMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),e.entityOffsetsEnabled&&i.push("      worldPosition.xyz = worldPosition.xyz + offset;"),i.push("      vec4 viewPosition   = viewMatrix * worldPosition; "),i.push("      vec4 worldNormal    = worldNormalMatrix * vec4(octDecode(normal.xy), 0.0); "),i.push("      vec3 viewNormal     = normalize((viewNormalMatrix * worldNormal).xyz);"),t&&(i.push("      vWorldPosition  = worldPosition;"),i.push("      vFlags2         = flags2;")),i.push("      vViewNormal = viewNormal;"),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&($t.SUPPORTED_EXTENSIONS.EXT_frag_depth?i.push("vFragDepth = 1.0 + clipPos.w;"):(i.push("clipPos.z = log2( max( 1e-6, clipPos.w + 1.0 ) ) * logDepthBufFC - 1.0;"),i.push("clipPos.z *= clipPos.w;")),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("gl_Position = clipPos;"),i.push("  }"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// Batched geometry normals fragment shader"),e.logarithmicDepthBufferEnabled&&$t.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("#extension GL_EXT_frag_depth : enable"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&$t.SUPPORTED_EXTENSIONS.EXT_frag_depth&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),t){i.push("in vec4 vWorldPosition;"),i.push("in vec4 vFlags2;");for(var r=0;r<e._sectionPlanesState.getNumAllocatedSectionPlanes();r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("in vec3 vViewNormal;"),i.push("vec3 packNormalToRGB( const in vec3 normal ) {"),i.push("    return normalize( normal ) * 0.5 + 0.5;"),i.push("}"),i.push("void main(void) {"),t){i.push("  bool clippable = (float(vFlags2.x) > 0.0);"),i.push("  if (clippable) {"),i.push("      float dist = 0.0;");for(var s=0;s<e._sectionPlanesState.getNumAllocatedSectionPlanes();s++)i.push("      if (sectionPlaneActive"+s+") {"),i.push("          dist += clamp(dot(-sectionPlaneDir"+s+".xyz, vWorldPosition.xyz - sectionPlanePos"+s+".xyz), 0.0, 1000.0);"),i.push("      }");i.push("      if (dist > 0.0) { discard; }"),i.push("  }")}return e.logarithmicDepthBufferEnabled&&$t.SUPPORTED_EXTENSIONS.EXT_frag_depth&&i.push("    gl_FragDepthEXT = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("    gl_FragColor = vec4(packNormalToRGB(vViewNormal), 1.0); "),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),eh=re.vec3(),th=re.vec3(),ih=re.vec3();re.vec3(),re.vec4();var rh=re.mat4(),sh=function(){function e(t,i){P(this,e),this._scene=t,this._withSAO=i,this._hash=this._getHash(),this._allocate()}return C(e,[{key:"getValid",value:function(){return this._hash===this._getHash()}},{key:"_getHash",value:function(){var e=this._scene;return[e._lightsState.getHash(),e._sectionPlanesState.getHash(),this._withSAO?"sao":"nosao"].join(";")}},{key:"drawLayer",value:function(e,t,i){var r=this._scene,s=r.camera,n=t.model,o=r.canvas.gl,a=t._state,l=a.textureState,u=t._state.origin,c=n.position,A=n.rotationMatrix;if(this._program||(this._allocate(),!this.errors)){e.lastProgramId!==this._program.id&&(e.lastProgramId=this._program.id,this._bindProgram(e,a));var h,d,p=e.pickViewMatrix||s.viewMatrix,f=e.pickProjMatrix||s.projMatrix,v=e.pickOrigin||s.eye,g=e.pickProjMatrix?e.pickZFar:s.project.far;l.bindCommonTextures(this._program,this.uTexturePerObjectPositionsDecodeMatrix,this._uTexturePerVertexIdCoordinates,this.uTexturePerObjectColorsAndFlags,this._uTexturePerObjectMatrix);var m=0!==u[0]||0!==u[1]||0!==u[2],_=0!==c[0]||0!==c[1]||0!==c[2];if(m||_){var y=eh;if(m){var b=re.transformPoint3(A,u,th);y[0]=b[0],y[1]=b[1],y[2]=b[2]}else y[0]=0,y[1]=0,y[2]=0;y[0]+=c[0],y[1]+=c[1],y[2]+=c[2],h=ze(p,y,rh),(d=ih)[0]=v[0]-y[0],d[1]=v[1]-y[1],d[2]=v[2]-y[2]}else h=p,d=v;if(o.uniform2fv(this._uPickClipPos,e.pickClipPos),o.uniform2f(this._uDrawingBufferSize,o.drawingBufferWidth,o.drawingBufferHeight),o.uniformMatrix4fv(this._uSceneModelMatrix,!1,A),o.uniformMatrix4fv(this._uViewMatrix,!1,h),o.uniformMatrix4fv(this._uProjMatrix,!1,f),o.uniform3fv(this._uCameraEyeRtc,d),o.uniform1i(this._uRenderPass,i),r.logarithmicDepthBufferEnabled){var B=2/(Math.log(g+1)/Math.LN2);o.uniform1f(this._uLogDepthBufFC,B)}var w=r._sectionPlanesState.getNumAllocatedSectionPlanes(),P=r._sectionPlanesState.sectionPlanes.length;if(w>0)for(var x=r._sectionPlanesState.sectionPlanes,C=t.layerIndex*P,M=n.renderFlags,E=0;E<w;E++){var F=this._uSectionPlanes[E];if(F)if(E<P){var k=M.sectionPlanesActivePerLayer[C+E];if(o.uniform1i(F.active,k?1:0),k){var I=x[E];if(u){var D=Je(I.dist,I.dir,u,eh,n.matrix);o.uniform3fv(F.pos,D)}else o.uniform3fv(F.pos,I.pos);o.uniform3fv(F.dir,I.dir)}}else o.uniform1i(F.active,0)}a.numIndices8Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,8),o.drawArrays(o.TRIANGLES,0,a.numIndices8Bits)),a.numIndices16Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,16),o.drawArrays(o.TRIANGLES,0,a.numIndices16Bits)),a.numIndices32Bits>0&&(l.bindTriangleIndicesTextures(this._program,this._uTexturePerPolygonIdPortionIds,this._uTexturePerPolygonIdIndices,32),o.drawArrays(o.TRIANGLES,0,a.numIndices32Bits)),e.drawElements++}}},{key:"_allocate",value:function(){var e=this._scene,t=e.canvas.gl;if(this._program=new ui(t,this._buildShader()),this._program.errors)this.errors=this._program.errors;else{var i=this._program;this._uRenderPass=i.getLocation("renderPass"),this._uPickInvisible=i.getLocation("pickInvisible"),this._uPickClipPos=i.getLocation("pickClipPos"),this._uDrawingBufferSize=i.getLocation("drawingBufferSize"),this._uSceneModelMatrix=i.getLocation("sceneModelMatrix"),this._uViewMatrix=i.getLocation("viewMatrix"),this._uProjMatrix=i.getLocation("projMatrix"),this._uSectionPlanes=[];for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)this._uSectionPlanes.push({active:i.getLocation("sectionPlaneActive"+r),pos:i.getLocation("sectionPlanePos"+r),dir:i.getLocation("sectionPlaneDir"+r)});e.logarithmicDepthBufferEnabled&&(this._uLogDepthBufFC=i.getLocation("logDepthBufFC")),this.uTexturePerObjectPositionsDecodeMatrix="uObjectPerObjectPositionsDecodeMatrix",this.uTexturePerObjectColorsAndFlags="uObjectPerObjectColorsAndFlags",this._uTexturePerVertexIdCoordinates="uTexturePerVertexIdCoordinates",this._uTexturePerPolygonIdNormals="uTexturePerPolygonIdNormals",this._uTexturePerPolygonIdIndices="uTexturePerPolygonIdIndices",this._uTexturePerPolygonIdPortionIds="uTexturePerPolygonIdPortionIds",this._uTexturePerObjectMatrix="uTexturePerObjectMatrix",this._uCameraEyeRtc=i.getLocation("uCameraEyeRtc")}}},{key:"_bindProgram",value:function(e){var t=this._scene,i=t.canvas.gl,r=this._program,s=t.camera.project;if(r.bind(),t.logarithmicDepthBufferEnabled){var n=2/(Math.log(s.far+1)/Math.LN2);i.uniform1f(this._uLogDepthBufFC,n)}}},{key:"_buildShader",value:function(){return{vertex:this._buildVertexShader(),fragment:this._buildFragmentShader()}}},{key:"_buildVertexShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];return i.push("#version 300 es"),i.push("// trianglesDatatextureNormalsRenderer vertex shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("precision highp usampler2D;"),i.push("precision highp isampler2D;"),i.push("precision highp sampler2D;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("precision mediump usampler2D;"),i.push("precision mediump isampler2D;"),i.push("precision mediump sampler2D;"),i.push("#endif"),i.push("uniform int renderPass;"),e.entityOffsetsEnabled&&i.push("in vec3 offset;"),i.push("uniform mat4 sceneModelMatrix;"),i.push("uniform mat4 viewMatrix;"),i.push("uniform mat4 projMatrix;"),i.push("uniform highp sampler2D uObjectPerObjectPositionsDecodeMatrix;"),i.push("uniform lowp usampler2D uObjectPerObjectColorsAndFlags;"),i.push("uniform highp sampler2D uTexturePerObjectMatrix;"),i.push("uniform mediump usampler2D uTexturePerVertexIdCoordinates;"),i.push("uniform highp usampler2D uTexturePerPolygonIdIndices;"),i.push("uniform mediump usampler2D uTexturePerPolygonIdPortionIds;"),i.push("uniform vec3 uCameraEyeRtc;"),i.push("vec3 positions[3];"),e.logarithmicDepthBufferEnabled&&(i.push("uniform float logDepthBufFC;"),i.push("out float vFragDepth;"),i.push("out float isPerspective;")),i.push("uniform vec2 pickClipPos;"),i.push("uniform vec2 drawingBufferSize;"),i.push("vec4 remapClipPos(vec4 clipPos) {"),i.push("    clipPos.xy /= clipPos.w;"),i.push("    clipPos.xy = (clipPos.xy - pickClipPos) * drawingBufferSize;"),i.push("    clipPos.xy *= clipPos.w;"),i.push("    return clipPos;"),i.push("}"),i.push("bool isPerspectiveMatrix(mat4 m) {"),i.push("    return (m[2][3] == - 1.0);"),i.push("}"),i.push("out vec4 vWorldPosition;"),t&&i.push("flat out uint vFlags2;"),i.push("void main(void) {"),i.push("int polygonIndex = gl_VertexID / 3;"),i.push("int h_packed_object_id_index = (polygonIndex >> 3) & 4095;"),i.push("int v_packed_object_id_index = (polygonIndex >> 3) >> 12;"),i.push("int objectIndex = int(texelFetch(uTexturePerPolygonIdPortionIds, ivec2(h_packed_object_id_index, v_packed_object_id_index), 0).r);"),i.push("ivec2 objectIndexCoords = ivec2(objectIndex % 512, objectIndex / 512);"),i.push("uvec4 flags = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+2, objectIndexCoords.y), 0);"),i.push("uvec4 flags2 = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+3, objectIndexCoords.y), 0);"),i.push("if (int(flags.w) != renderPass) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("} else {"),i.push("ivec4 packedVertexBase = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+4, objectIndexCoords.y), 0));"),i.push("ivec4 packedIndexBaseOffset = ivec4(texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+5, objectIndexCoords.y), 0));"),i.push("int indexBaseOffset = (packedIndexBaseOffset.r << 24) + (packedIndexBaseOffset.g << 16) + (packedIndexBaseOffset.b << 8) + packedIndexBaseOffset.a;"),i.push("int h_index = (polygonIndex - indexBaseOffset) & 4095;"),i.push("int v_index = (polygonIndex - indexBaseOffset) >> 12;"),i.push("ivec3 vertexIndices = ivec3(texelFetch(uTexturePerPolygonIdIndices, ivec2(h_index, v_index), 0));"),i.push("ivec3 uniqueVertexIndexes = vertexIndices + (packedVertexBase.r << 24) + (packedVertexBase.g << 16) + (packedVertexBase.b << 8) + packedVertexBase.a;"),i.push("ivec3 indexPositionH = uniqueVertexIndexes & 4095;"),i.push("ivec3 indexPositionV = uniqueVertexIndexes >> 12;"),i.push("mat4 objectInstanceMatrix = mat4 (texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uTexturePerObjectMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("mat4 objectDecodeAndInstanceMatrix = objectInstanceMatrix * mat4 (texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+0, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+1, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+2, objectIndexCoords.y), 0), texelFetch (uObjectPerObjectPositionsDecodeMatrix, ivec2(objectIndexCoords.x*4+3, objectIndexCoords.y), 0));"),i.push("uint solid = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+7, objectIndexCoords.y), 0).r;"),i.push("positions[0] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.r, indexPositionV.r), 0));"),i.push("positions[1] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.g, indexPositionV.g), 0));"),i.push("positions[2] = vec3(texelFetch(uTexturePerVertexIdCoordinates, ivec2(indexPositionH.b, indexPositionV.b), 0));"),i.push("uvec4 color = texelFetch (uObjectPerObjectColorsAndFlags, ivec2(objectIndexCoords.x*8+0, objectIndexCoords.y), 0);"),i.push("if (color.a == 0u) {"),i.push("   gl_Position = vec4(3.0, 3.0, 3.0, 1.0);"),i.push("   return;"),i.push("};"),i.push("vec3 normal = normalize(cross(positions[2] - positions[0], positions[1] - positions[0]));"),i.push("vec3 position;"),i.push("position = positions[gl_VertexID % 3];"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (solid != 1u) {"),i.push("if (isPerspectiveMatrix(projMatrix)) {"),i.push("vec3 uCameraEyeRtcInQuantizedSpace = (inverse(sceneModelMatrix * objectDecodeAndInstanceMatrix) * vec4(uCameraEyeRtc, 1)).xyz;"),i.push("if (dot(position.xyz - uCameraEyeRtcInQuantizedSpace, normal) < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("viewNormal = -viewNormal;"),i.push("}"),i.push("} else {"),i.push("vec3 viewNormal = -normalize((transpose(inverse(viewMatrix*objectDecodeAndInstanceMatrix)) * vec4(normal,1)).xyz);"),i.push("if (viewNormal.z < 0.0) {"),i.push("position = positions[2 - (gl_VertexID % 3)];"),i.push("}"),i.push("}"),i.push("}"),i.push("vec4 worldPosition = sceneModelMatrix * (objectDecodeAndInstanceMatrix * vec4(position, 1.0)); "),i.push("vec4 viewPosition = viewMatrix * worldPosition; "),i.push("vec4 clipPos = projMatrix * viewPosition;"),e.logarithmicDepthBufferEnabled&&(i.push("vFragDepth = 1.0 + clipPos.w;"),i.push("isPerspective = float (isPerspectiveMatrix(projMatrix));")),i.push("vWorldPosition = worldPosition;"),t&&i.push("vFlags2 = flags2.r;"),i.push("gl_Position = remapClipPos(clipPos);"),i.push("}"),i.push("}"),i}},{key:"_buildFragmentShader",value:function(){var e=this._scene,t=e._sectionPlanesState.getNumAllocatedSectionPlanes()>0,i=[];if(i.push("#version 300 es"),i.push("// TrianglesDataTexturePickNormalsRenderer fragment shader"),i.push("#ifdef GL_FRAGMENT_PRECISION_HIGH"),i.push("precision highp float;"),i.push("precision highp int;"),i.push("#else"),i.push("precision mediump float;"),i.push("precision mediump int;"),i.push("#endif"),e.logarithmicDepthBufferEnabled&&(i.push("in float isPerspective;"),i.push("uniform float logDepthBufFC;"),i.push("in float vFragDepth;")),i.push("in vec4 vWorldPosition;"),t){i.push("flat in uint vFlags2;");for(var r=0,s=e._sectionPlanesState.getNumAllocatedSectionPlanes();r<s;r++)i.push("uniform bool sectionPlaneActive"+r+";"),i.push("uniform vec3 sectionPlanePos"+r+";"),i.push("uniform vec3 sectionPlaneDir"+r+";")}if(i.push("out highp ivec4 outNormal;"),i.push("void main(void) {"),t){i.push("  bool clippable = vFlags2 > 0u;"),i.push("  if (clippable) {"),i.push("  float dist = 0.0;");for(var n=0,o=e._sectionPlanesState.getNumAllocatedSectionPlanes();n<o;n++)i.push("if (sectionPlaneActive"+n+") {"),i.push("   dist += clamp(dot(-sectionPlaneDir"+n+".xyz, vWorldPosition.xyz - sectionPlanePos"+n+".xyz), 0.0, 1000.0);"),i.push("}");i.push("  if (dist > 0.0) { "),i.push("      discard;"),i.push("  }"),i.push("}")}return e.logarithmicDepthBufferEnabled&&i.push("    gl_FragDepth = isPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;"),i.push("  vec3 xTangent = dFdx( vWorldPosition.xyz );"),i.push("  vec3 yTangent = dFdy( vWorldPosition.xyz );"),i.push("  vec3 worldNormal = normalize( cross( xTangent, yTangent ) );"),i.push("  outNormal = ivec4(worldNormal * float(".concat(re.MAX_INT,"), 1.0);")),i.push("}"),i}},{key:"webglContextRestored",value:function(){this._program=null}},{key:"destroy",value:function(){this._program&&this._program.destroy(),this._program=null}}]),e}(),nh=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"_compile",value:function(){this._colorRenderer&&!this._colorRenderer.getValid()&&(this._colorRenderer.destroy(),this._colorRenderer=null),this._colorRendererWithSAO&&!this._colorRendererWithSAO.getValid()&&(this._colorRendererWithSAO.destroy(),this._colorRendererWithSAO=null),this._flatColorRenderer&&!this._flatColorRenderer.getValid()&&(this._flatColorRenderer.destroy(),this._flatColorRenderer=null),this._flatColorRendererWithSAO&&!this._flatColorRendererWithSAO.getValid()&&(this._flatColorRendererWithSAO.destroy(),this._flatColorRendererWithSAO=null),this._colorQualityRendererWithSAO&&!this._colorQualityRendererWithSAO.getValid()&&(this._colorQualityRendererWithSAO.destroy(),this._colorQualityRendererWithSAO=null),this._depthRenderer&&!this._depthRenderer.getValid()&&(this._depthRenderer.destroy(),this._depthRenderer=null),this._normalsRenderer&&!this._normalsRenderer.getValid()&&(this._normalsRenderer.destroy(),this._normalsRenderer=null),this._silhouetteRenderer&&!this._silhouetteRenderer.getValid()&&(this._silhouetteRenderer.destroy(),this._silhouetteRenderer=null),this._edgesRenderer&&!this._edgesRenderer.getValid()&&(this._edgesRenderer.destroy(),this._edgesRenderer=null),this._edgesColorRenderer&&!this._edgesColorRenderer.getValid()&&(this._edgesColorRenderer.destroy(),this._edgesColorRenderer=null),this._pickMeshRenderer&&!this._pickMeshRenderer.getValid()&&(this._pickMeshRenderer.destroy(),this._pickMeshRenderer=null),this._pickDepthRenderer&&!this._pickDepthRenderer.getValid()&&(this._pickDepthRenderer.destroy(),this._pickDepthRenderer=null),this._snapRenderer&&!this._snapRenderer.getValid()&&(this._snapRenderer.destroy(),this._snapRenderer=null),this._snapInitRenderer&&!this._snapInitRenderer.getValid()&&(this._snapInitRenderer.destroy(),this._snapInitRenderer=null),this._pickNormalsRenderer&&!1===this._pickNormalsRenderer.getValid()&&(this._pickNormalsRenderer.destroy(),this._pickNormalsRenderer=null),this._pickNormalsFlatRenderer&&!1===this._pickNormalsFlatRenderer.getValid()&&(this._pickNormalsFlatRenderer.destroy(),this._pickNormalsFlatRenderer=null),this._occlusionRenderer&&!1===this._occlusionRenderer.getValid()&&(this._occlusionRenderer.destroy(),this._occlusionRenderer=null)}},{key:"eagerCreateRenders",value:function(){this._silhouetteRenderer||(this._silhouetteRenderer=new aA(this._scene)),this._pickMeshRenderer||(this._pickMeshRenderer=new bA(this._scene)),this._pickDepthRenderer||(this._pickDepthRenderer=new CA(this._scene)),this._pickNormalsRenderer||(this._pickNormalsRenderer=new sh(this._scene)),this._snapRenderer||(this._snapRenderer=new DA(this._scene)),this._snapInitRenderer||(this._snapInitRenderer=new OA(this._scene)),this._snapRenderer||(this._snapRenderer=new DA(this._scene))}},{key:"colorRenderer",get:function(){return this._colorRenderer||(this._colorRenderer=new tA(this._scene,!1)),this._colorRenderer}},{key:"colorRendererWithSAO",get:function(){return this._colorRendererWithSAO||(this._colorRendererWithSAO=new tA(this._scene,!0)),this._colorRendererWithSAO}},{key:"colorQualityRendererWithSAO",get:function(){return this._colorQualityRendererWithSAO}},{key:"silhouetteRenderer",get:function(){return this._silhouetteRenderer||(this._silhouetteRenderer=new aA(this._scene)),this._silhouetteRenderer}},{key:"depthRenderer",get:function(){return this._depthRenderer||(this._depthRenderer=new XA(this._scene)),this._depthRenderer}},{key:"normalsRenderer",get:function(){return this._normalsRenderer||(this._normalsRenderer=new $A(this._scene)),this._normalsRenderer}},{key:"edgesRenderer",get:function(){return this._edgesRenderer||(this._edgesRenderer=new hA(this._scene)),this._edgesRenderer}},{key:"edgesColorRenderer",get:function(){return this._edgesColorRenderer||(this._edgesColorRenderer=new vA(this._scene)),this._edgesColorRenderer}},{key:"pickMeshRenderer",get:function(){return this._pickMeshRenderer||(this._pickMeshRenderer=new bA(this._scene)),this._pickMeshRenderer}},{key:"pickNormalsRenderer",get:function(){return this._pickNormalsRenderer||(this._pickNormalsRenderer=new sh(this._scene)),this._pickNormalsRenderer}},{key:"pickNormalsFlatRenderer",get:function(){return this._pickNormalsFlatRenderer||(this._pickNormalsFlatRenderer=new sh(this._scene)),this._pickNormalsFlatRenderer}},{key:"pickDepthRenderer",get:function(){return this._pickDepthRenderer||(this._pickDepthRenderer=new CA(this._scene)),this._pickDepthRenderer}},{key:"snapRenderer",get:function(){return this._snapRenderer||(this._snapRenderer=new DA(this._scene)),this._snapRenderer}},{key:"snapInitRenderer",get:function(){return this._snapInitRenderer||(this._snapInitRenderer=new OA(this._scene)),this._snapInitRenderer}},{key:"occlusionRenderer",get:function(){return this._occlusionRenderer||(this._occlusionRenderer=new jA(this._scene)),this._occlusionRenderer}},{key:"_destroy",value:function(){this._colorRenderer&&this._colorRenderer.destroy(),this._colorRendererWithSAO&&this._colorRendererWithSAO.destroy(),this._flatColorRenderer&&this._flatColorRenderer.destroy(),this._flatColorRendererWithSAO&&this._flatColorRendererWithSAO.destroy(),this._colorQualityRendererWithSAO&&this._colorQualityRendererWithSAO.destroy(),this._depthRenderer&&this._depthRenderer.destroy(),this._normalsRenderer&&this._normalsRenderer.destroy(),this._silhouetteRenderer&&this._silhouetteRenderer.destroy(),this._edgesRenderer&&this._edgesRenderer.destroy(),this._edgesColorRenderer&&this._edgesColorRenderer.destroy(),this._pickMeshRenderer&&this._pickMeshRenderer.destroy(),this._pickDepthRenderer&&this._pickDepthRenderer.destroy(),this._snapRenderer&&this._snapRenderer.destroy(),this._snapInitRenderer&&this._snapInitRenderer.destroy(),this._pickNormalsRenderer&&this._pickNormalsRenderer.destroy(),this._pickNormalsFlatRenderer&&this._pickNormalsFlatRenderer.destroy(),this._occlusionRenderer&&this._occlusionRenderer.destroy()}}]),e}(),oh={};var ah=C((function e(){P(this,e),this.positionsCompressed=[],this.lenPositionsCompressed=0,this.metallicRoughness=[],this.indices8Bits=[],this.lenIndices8Bits=0,this.indices16Bits=[],this.lenIndices16Bits=0,this.indices32Bits=[],this.lenIndices32Bits=0,this.edgeIndices8Bits=[],this.lenEdgeIndices8Bits=0,this.edgeIndices16Bits=[],this.lenEdgeIndices16Bits=0,this.edgeIndices32Bits=[],this.lenEdgeIndices32Bits=0,this.perObjectColors=[],this.perObjectPickColors=[],this.perObjectSolid=[],this.perObjectOffsets=[],this.perObjectPositionsDecodeMatrices=[],this.perObjectInstancePositioningMatrices=[],this.perObjectVertexBases=[],this.perObjectIndexBaseOffsets=[],this.perObjectEdgeIndexBaseOffsets=[],this.perTriangleNumberPortionId8Bits=[],this.perTriangleNumberPortionId16Bits=[],this.perTriangleNumberPortionId32Bits=[],this.perEdgeNumberPortionId8Bits=[],this.perEdgeNumberPortionId16Bits=[],this.perEdgeNumberPortionId32Bits=[]})),lh=function(){function e(){P(this,e),this.texturePerObjectColorsAndFlags=null,this.texturePerObjectOffsets=null,this.texturePerObjectInstanceMatrices=null,this.texturePerObjectPositionsDecodeMatrix=null,this.texturePerVertexIdCoordinates=null,this.texturePerPolygonIdPortionIds8Bits=null,this.texturePerPolygonIdPortionIds16Bits=null,this.texturePerPolygonIdPortionIds32Bits=null,this.texturePerEdgeIdPortionIds8Bits=null,this.texturePerEdgeIdPortionIds16Bits=null,this.texturePerEdgeIdPortionIds32Bits=null,this.texturePerPolygonIdIndices8Bits=null,this.texturePerPolygonIdIndices16Bits=null,this.texturePerPolygonIdIndices32Bits=null,this.texturePerPolygonIdEdgeIndices8Bits=null,this.texturePerPolygonIdEdgeIndices16Bits=null,this.texturePerPolygonIdEdgeIndices32Bits=null,this.textureModelMatrices=null}return C(e,[{key:"finalize",value:function(){this.indicesPerBitnessTextures={8:this.texturePerPolygonIdIndices8Bits,16:this.texturePerPolygonIdIndices16Bits,32:this.texturePerPolygonIdIndices32Bits},this.indicesPortionIdsPerBitnessTextures={8:this.texturePerPolygonIdPortionIds8Bits,16:this.texturePerPolygonIdPortionIds16Bits,32:this.texturePerPolygonIdPortionIds32Bits},this.edgeIndicesPerBitnessTextures={8:this.texturePerPolygonIdEdgeIndices8Bits,16:this.texturePerPolygonIdEdgeIndices16Bits,32:this.texturePerPolygonIdEdgeIndices32Bits},this.edgeIndicesPortionIdsPerBitnessTextures={8:this.texturePerEdgeIdPortionIds8Bits,16:this.texturePerEdgeIdPortionIds16Bits,32:this.texturePerEdgeIdPortionIds32Bits}}},{key:"bindCommonTextures",value:function(e,t,i,r,s){this.texturePerObjectPositionsDecodeMatrix.bindTexture(e,t,1),this.texturePerVertexIdCoordinates.bindTexture(e,i,2),this.texturePerObjectColorsAndFlags.bindTexture(e,r,3),this.texturePerObjectInstanceMatrices.bindTexture(e,s,4)}},{key:"bindTriangleIndicesTextures",value:function(e,t,i,r){this.indicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.indicesPerBitnessTextures[r].bindTexture(e,i,6)}},{key:"bindEdgeIndicesTextures",value:function(e,t,i,r){this.edgeIndicesPortionIdsPerBitnessTextures[r].bindTexture(e,t,5),this.edgeIndicesPerBitnessTextures[r].bindTexture(e,i,6)}}]),e}(),uh={sizeDataColorsAndFlags:0,sizeDataPositionDecodeMatrices:0,sizeDataTextureOffsets:0,sizeDataTexturePositions:0,sizeDataTextureIndices:0,sizeDataTextureEdgeIndices:0,sizeDataTexturePortionIds:0,numberOfGeometries:0,numberOfPortions:0,numberOfLayers:0,numberOfTextures:0,totalPolygons:0,totalPolygons8Bits:0,totalPolygons16Bits:0,totalPolygons32Bits:0,totalEdges:0,totalEdges8Bits:0,totalEdges16Bits:0,totalEdges32Bits:0,cannotCreatePortion:{because10BitsObjectId:0,becauseTextureSize:0},overheadSizeAlignementIndices:0,overheadSizeAlignementEdgeIndices:0};window.printDataTextureRamStats=function(){console.log(JSON.stringify(uh,null,4));var e=0;Object.keys(uh).forEach((function(t){t.startsWith("size")&&(e+=uh[t])})),console.log("Total size ".concat(e," bytes (").concat((e/1e3/1e3).toFixed(2)," MB)")),console.log("Avg bytes / triangle: ".concat((e/uh.totalPolygons).toFixed(2)));var t={};Object.keys(uh).forEach((function(i){i.startsWith("size")&&(t[i]="".concat((uh[i]/e*100).toFixed(2)," % of total"))})),console.log(JSON.stringify({percentualRamUsage:t},null,4))};var ch=function(){function e(){P(this,e)}return C(e,[{key:"disableBindedTextureFiltering",value:function(e){e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE)}},{key:"createTextureForColorsAndFlags",value:function(e,t,i,r,s,n,o){var a=t.length;this.numPortions=a;var l=4096,u=Math.ceil(a/512);if(0===u)throw"texture height===0";var c=new Uint8Array(16384*u);uh.sizeDataColorsAndFlags+=c.byteLength,uh.numberOfTextures++;for(var A=0;A<a;A++)c.set(t[A],32*A+0),c.set(i[A],32*A+4),c.set([0,0,0,0],32*A+8),c.set([0,0,0,0],32*A+12),c.set([r[A]>>24&255,r[A]>>16&255,r[A]>>8&255,255&r[A]],32*A+16),c.set([s[A]>>24&255,s[A]>>16&255,s[A]>>8&255,255&s[A]],32*A+20),c.set([n[A]>>24&255,n[A]>>16&255,n[A]>>8&255,255&n[A]],32*A+24),c.set([o[A]?1:0,0,0,0],32*A+28);var h=e.createTexture();return e.bindTexture(e.TEXTURE_2D,h),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA8UI,l,u),e.texSubImage2D(e.TEXTURE_2D,0,0,0,l,u,e.RGBA_INTEGER,e.UNSIGNED_BYTE,c,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,h,l,u,c)}},{key:"createTextureForObjectOffsets",value:function(e,t){var i=512,r=Math.ceil(t/i);if(0===r)throw"texture height===0";var s=new Float32Array(1536*r).fill(0);uh.sizeDataTextureOffsets+=s.byteLength,uh.numberOfTextures++;var n=e.createTexture();return e.bindTexture(e.TEXTURE_2D,n),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32F,i,r),e.texSubImage2D(e.TEXTURE_2D,0,0,0,i,r,e.RGB,e.FLOAT,s,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,n,i,r,s)}},{key:"createTextureForInstancingMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num instance matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);uh.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,a,r,s,n)}},{key:"createTextureForPositionsDecodeMatrices",value:function(e,t){var i=t.length;if(0===i)throw"num decode+entity matrices===0";var r=2048,s=Math.ceil(i/512),n=new Float32Array(8192*s);uh.sizeDataPositionDecodeMatrices+=n.byteLength,uh.numberOfTextures++;for(var o=0;o<t.length;o++)n.set(t[o],16*o);var a=e.createTexture();return e.bindTexture(e.TEXTURE_2D,a),e.texStorage2D(e.TEXTURE_2D,1,e.RGBA32F,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGBA,e.FLOAT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,a,r,s)}},{key:"createTextureFor8BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*3);uh.sizeDataTextureIndices+=n.byteLength,uh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"createTextureFor16BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*3);uh.sizeDataTextureIndices+=n.byteLength,uh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"createTextureFor32BitIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/3/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*3);uh.sizeDataTextureIndices+=n.byteLength,uh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RGB32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RGB_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"createTextureFor8BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint8Array(r*s*2);uh.sizeDataTextureEdgeIndices+=n.byteLength,uh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG8UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_BYTE,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"createTextureFor16BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s*2);uh.sizeDataTextureEdgeIndices+=n.byteLength,uh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_SHORT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"createTextureFor32BitsEdgeIndices",value:function(e,t,i){if(0===i)return{texture:null,textureHeight:0};var r=4096,s=Math.ceil(i/2/r);if(0===s)throw"texture height===0";var n=new Uint32Array(r*s*2);uh.sizeDataTextureEdgeIndices+=n.byteLength,uh.numberOfTextures++;for(var o=0,a=0,l=t.length;o<l;o++){var u=t[o];n.set(u,a),a+=u.length}var c=e.createTexture();return e.bindTexture(e.TEXTURE_2D,c),e.texStorage2D(e.TEXTURE_2D,1,e.RG32UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RG_INTEGER,e.UNSIGNED_INT,n,0),this.disableBindedTextureFiltering(e),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,c,r,s)}},{key:"createTextureForPositions",value:function(e,t,i){var r=i/3,s=4096,n=Math.ceil(r/s);if(0===n)throw"texture height===0";var o=new Uint16Array(s*n*3);uh.sizeDataTexturePositions+=o.byteLength,uh.numberOfTextures++;for(var a=0,l=0,u=t.length;a<u;a++){var c=t[a];o.set(c,l),l+=c.length}var A=e.createTexture();return e.bindTexture(e.TEXTURE_2D,A),e.texStorage2D(e.TEXTURE_2D,1,e.RGB16UI,s,n),e.texSubImage2D(e.TEXTURE_2D,0,0,0,s,n,e.RGB_INTEGER,e.UNSIGNED_SHORT,o,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,A,s,n)}},{key:"createTextureForPackedPortionIds",value:function(e,t){if(0===t.length)return{texture:null,textureHeight:0};var i=t.length,r=4096,s=Math.ceil(i/r);if(0===s)throw"texture height===0";var n=new Uint16Array(r*s);n.set(t,0),uh.sizeDataTexturePortionIds+=n.byteLength,uh.numberOfTextures++;var o=e.createTexture();return e.bindTexture(e.TEXTURE_2D,o),e.texStorage2D(e.TEXTURE_2D,1,e.R16UI,r,s),e.texSubImage2D(e.TEXTURE_2D,0,0,0,r,s,e.RED_INTEGER,e.UNSIGNED_SHORT,n,0),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.bindTexture(e.TEXTURE_2D,null),new Nc(e,o,r,s)}}]),e}(),Ah=new ja,hh=Ah.maxDataTextureHeight,dh=re.vec4(),ph=new Float32Array(16),fh=new Uint8Array(4),vh=new Float32Array(3),gh=0,mh=re.identityMat4(),_h=function(){function e(t,i){var r,s,n;P(this,e),uh.numberOfLayers++,this._layerNumber=gh++,this.sortId="TriDTX-".concat(this._layerNumber),this.layerIndex=i.layerIndex,this._renderers=(r=t.scene,s=r.id,(n=oh[s])||(n=new nh(r),oh[s]=n,n._compile(),n.eagerCreateRenders(),r.on("compile",(function(){n._compile(),n.eagerCreateRenders()})),r.on("destroyed",(function(){delete oh[s],n._destroy()}))),n),this.model=t,this._buffer=new ah,this._dtxState=new lh,this._dtxTextureFactory=new ch,this._state=new Ii({origin:re.vec3(i.origin),metallicRoughnessBuf:null,textureState:this._dtxState,numIndices8Bits:0,numIndices16Bits:0,numIndices32Bits:0,numEdgeIndices8Bits:0,numEdgeIndices16Bits:0,numEdgeIndices32Bits:0,numVertices:0}),this._numPortions=0,this._numVisibleLayerPortions=0,this._numTransparentLayerPortions=0,this._numXRayedLayerPortions=0,this._numSelectedLayerPortions=0,this._numHighlightedLayerPortions=0,this._numClippableLayerPortions=0,this._numEdgesLayerPortions=0,this._numPickableLayerPortions=0,this._numCulledLayerPortions=0,this._subPortions=[],this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries={}),this._portionToSubPortionsMap=[],this._bucketGeometries={},this._meshes=[],this._aabb=re.collapseAABB3(),this.aabbDirty=!0,this._numUpdatesInFrame=0,this.primitive=i.primitive,this._finalized=!1}return C(e,[{key:"aabb",get:function(){if(this.aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._meshes.length;e<t;e++)re.expandAABB3(this._aabb,this._meshes[e].aabb);this.aabbDirty=!1}return this._aabb}},{key:"canCreatePortion",value:function(e){if(this._finalized)throw"Already finalized";var t=e.buckets.length;this._numPortions+t>65536&&uh.cannotCreatePortion.because10BitsObjectId++;var i=this._numPortions+t<=65536,r=void 0!==e.geometryId&&null!==e.geometryId?"".concat(e.geometryId,"#").concat(0):"".concat(e.id,"#").concat(0);if(!this._bucketGeometries[r]){var s=Math.max(this._state.numIndices8Bits,this._state.numIndices16Bits,this._state.numIndices32Bits),n=0,o=0;e.buckets.forEach((function(e){n+=e.positionsCompressed.length/3,o+=e.indices.length/3})),(this._state.numVertices+n>4096*hh||s+o>4096*hh)&&uh.cannotCreatePortion.becauseTextureSize++,i&&(i=this._state.numVertices+n<=4096*hh&&s+o<=4096*hh)}return i}},{key:"createPortion",value:function(e,t){var i=this;if(this._finalized)throw"Already finalized";var r=[];t.buckets.forEach((function(e,s){var n=void 0!==t.geometryId&&null!==t.geometryId?"".concat(t.geometryId,"#").concat(s):"".concat(t.id,"#").concat(s),o=i._bucketGeometries[n];o||(o=i._createBucketGeometry(t,e),i._bucketGeometries[n]=o);var a=i._createSubPortion(t,o,e);r.push(a)}));var s=this._portionToSubPortionsMap.length;return this._portionToSubPortionsMap.push(r),this.model.numPortions++,this._meshes.push(e),s}},{key:"_createBucketGeometry",value:function(e,t){if(t.indices){var i=8*Math.ceil(t.indices.length/3/8)*3;uh.overheadSizeAlignementIndices+=2*(i-t.indices.length);var r=new Uint32Array(i);r.fill(0),r.set(t.indices),t.indices=r}if(t.edgeIndices){var s=8*Math.ceil(t.edgeIndices.length/2/8)*2;uh.overheadSizeAlignementEdgeIndices+=2*(s-t.edgeIndices.length);var n=new Uint32Array(s);n.fill(0),n.set(t.edgeIndices),t.edgeIndices=n}var o=t.positionsCompressed,a=t.indices,l=t.edgeIndices,u=this._buffer;u.positionsCompressed.push(o);var c,A=u.lenPositionsCompressed/3,h=o.length/3;u.lenPositionsCompressed+=o.length;var d,p,f=0;a&&(f=a.length/3,h<=256?(d=u.indices8Bits,c=u.lenIndices8Bits/3,u.lenIndices8Bits+=a.length):h<=65536?(d=u.indices16Bits,c=u.lenIndices16Bits/3,u.lenIndices16Bits+=a.length):(d=u.indices32Bits,c=u.lenIndices32Bits/3,u.lenIndices32Bits+=a.length),d.push(a));var v,g=0;l&&(g=l.length/2,h<=256?(v=u.edgeIndices8Bits,p=u.lenEdgeIndices8Bits/2,u.lenEdgeIndices8Bits+=l.length):h<=65536?(v=u.edgeIndices16Bits,p=u.lenEdgeIndices16Bits/2,u.lenEdgeIndices16Bits+=l.length):(v=u.edgeIndices32Bits,p=u.lenEdgeIndices32Bits/2,u.lenEdgeIndices32Bits+=l.length),v.push(l));return this._state.numVertices+=h,uh.numberOfGeometries++,{vertexBase:A,numVertices:h,numTriangles:f,numEdges:g,indicesBase:c,edgeIndicesBase:p}}},{key:"_createSubPortion",value:function(e,t,i,r){var s=e.color;e.metallic,e.roughness;var n,o,a=e.colors,l=e.opacity,u=e.meshMatrix,c=e.pickColor,A=this._buffer,h=this._state;A.perObjectPositionsDecodeMatrices.push(e.positionsDecodeMatrix),A.perObjectInstancePositioningMatrices.push(u||mh),A.perObjectSolid.push(!!e.solid),a?A.perObjectColors.push([255*a[0],255*a[1],255*a[2],255]):s&&A.perObjectColors.push([s[0],s[1],s[2],l]),A.perObjectPickColors.push(c),A.perObjectVertexBases.push(t.vertexBase),n=t.numVertices<=256?h.numIndices8Bits:t.numVertices<=65536?h.numIndices16Bits:h.numIndices32Bits,A.perObjectIndexBaseOffsets.push(n/3-t.indicesBase),o=t.numVertices<=256?h.numEdgeIndices8Bits:t.numVertices<=65536?h.numEdgeIndices16Bits:h.numEdgeIndices32Bits,A.perObjectEdgeIndexBaseOffsets.push(o/2-t.edgeIndicesBase);var d=this._subPortions.length;if(t.numTriangles>0){var p,f=3*t.numTriangles;t.numVertices<=256?(p=A.perTriangleNumberPortionId8Bits,h.numIndices8Bits+=f,uh.totalPolygons8Bits+=t.numTriangles):t.numVertices<=65536?(p=A.perTriangleNumberPortionId16Bits,h.numIndices16Bits+=f,uh.totalPolygons16Bits+=t.numTriangles):(p=A.perTriangleNumberPortionId32Bits,h.numIndices32Bits+=f,uh.totalPolygons32Bits+=t.numTriangles),uh.totalPolygons+=t.numTriangles;for(var v=0;v<t.numTriangles;v+=8)p.push(d)}if(t.numEdges>0){var g,m=2*t.numEdges;t.numVertices<=256?(g=A.perEdgeNumberPortionId8Bits,h.numEdgeIndices8Bits+=m,uh.totalEdges8Bits+=t.numEdges):t.numVertices<=65536?(g=A.perEdgeNumberPortionId16Bits,h.numEdgeIndices16Bits+=m,uh.totalEdges16Bits+=t.numEdges):(g=A.perEdgeNumberPortionId32Bits,h.numEdgeIndices32Bits+=m,uh.totalEdges32Bits+=t.numEdges),uh.totalEdges+=t.numEdges;for(var _=0;_<t.numEdges;_+=8)g.push(d)}return this._subPortions.push({numVertices:t.numTriangles}),this.model.scene.readableGeometryEnabled&&(this._subPortionReadableGeometries[d]={indices:i.indices,positionsCompressed:i.positionsCompressed,positionsDecodeMatrix:e.positionsDecodeMatrix,meshMatrix:e.meshMatrix}),this._numPortions++,uh.numberOfPortions++,d}},{key:"finalize",value:function(){var e=this;if(!this._finalized){var t=this._state,i=this._dtxState,r=this.model.scene.canvas.gl,s=this._buffer;t.gl=r,i.texturePerObjectColorsAndFlags=this._dtxTextureFactory.createTextureForColorsAndFlags(r,s.perObjectColors,s.perObjectPickColors,s.perObjectVertexBases,s.perObjectIndexBaseOffsets,s.perObjectEdgeIndexBaseOffsets,s.perObjectSolid),i.texturePerObjectInstanceMatrices=this._dtxTextureFactory.createTextureForInstancingMatrices(r,s.perObjectInstancePositioningMatrices),i.texturePerObjectPositionsDecodeMatrix=this._dtxTextureFactory.createTextureForPositionsDecodeMatrices(r,s.perObjectPositionsDecodeMatrices),i.texturePerVertexIdCoordinates=this._dtxTextureFactory.createTextureForPositions(r,s.positionsCompressed,s.lenPositionsCompressed),i.texturePerPolygonIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId8Bits),i.texturePerPolygonIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId16Bits),i.texturePerPolygonIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perTriangleNumberPortionId32Bits),s.perEdgeNumberPortionId8Bits.length>0&&(i.texturePerEdgeIdPortionIds8Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId8Bits)),s.perEdgeNumberPortionId16Bits.length>0&&(i.texturePerEdgeIdPortionIds16Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId16Bits)),s.perEdgeNumberPortionId32Bits.length>0&&(i.texturePerEdgeIdPortionIds32Bits=this._dtxTextureFactory.createTextureForPackedPortionIds(r,s.perEdgeNumberPortionId32Bits)),s.lenIndices8Bits>0&&(i.texturePerPolygonIdIndices8Bits=this._dtxTextureFactory.createTextureFor8BitIndices(r,s.indices8Bits,s.lenIndices8Bits)),s.lenIndices16Bits>0&&(i.texturePerPolygonIdIndices16Bits=this._dtxTextureFactory.createTextureFor16BitIndices(r,s.indices16Bits,s.lenIndices16Bits)),s.lenIndices32Bits>0&&(i.texturePerPolygonIdIndices32Bits=this._dtxTextureFactory.createTextureFor32BitIndices(r,s.indices32Bits,s.lenIndices32Bits)),s.lenEdgeIndices8Bits>0&&(i.texturePerPolygonIdEdgeIndices8Bits=this._dtxTextureFactory.createTextureFor8BitsEdgeIndices(r,s.edgeIndices8Bits,s.lenEdgeIndices8Bits)),s.lenEdgeIndices16Bits>0&&(i.texturePerPolygonIdEdgeIndices16Bits=this._dtxTextureFactory.createTextureFor16BitsEdgeIndices(r,s.edgeIndices16Bits,s.lenEdgeIndices16Bits)),s.lenEdgeIndices32Bits>0&&(i.texturePerPolygonIdEdgeIndices32Bits=this._dtxTextureFactory.createTextureFor32BitsEdgeIndices(r,s.edgeIndices32Bits,s.lenEdgeIndices32Bits)),i.finalize(),this._buffer=null,this._bucketGeometries={},this._finalized=!0,this._deferredSetFlagsDirty=!1,this._onSceneRendering=this.model.scene.on("rendering",(function(){e._deferredSetFlagsDirty&&e._uploadDeferredFlags(),e._numUpdatesInFrame=0}))}}},{key:"isEmpty",value:function(){return 0===this._numPortions}},{key:"initFlags",value:function(e,t,i){t&Ye&&(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++),t&it&&(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++),t&tt&&(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++),t&rt&&(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++),t&$e&&(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++),t&st&&(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++),t&qe&&(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++),t&Ze&&(this._numCulledLayerPortions++,this.model.numCulledLayerPortions++),i&&(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++);this._setFlags(e,t,i,true),this._setFlags2(e,t,true)}},{key:"flushInitFlags",value:function(){this._setDeferredFlags(),this._setDeferredFlags2()}},{key:"setVisible",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ye?(this._numVisibleLayerPortions++,this.model.numVisibleLayerPortions++):(this._numVisibleLayerPortions--,this.model.numVisibleLayerPortions--),this._setFlags(e,t,i)}},{key:"setHighlighted",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&it?(this._numHighlightedLayerPortions++,this.model.numHighlightedLayerPortions++):(this._numHighlightedLayerPortions--,this.model.numHighlightedLayerPortions--),this._setFlags(e,t,i)}},{key:"setXRayed",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&tt?(this._numXRayedLayerPortions++,this.model.numXRayedLayerPortions++):(this._numXRayedLayerPortions--,this.model.numXRayedLayerPortions--),this._setFlags(e,t,i)}},{key:"setSelected",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&rt?(this._numSelectedLayerPortions++,this.model.numSelectedLayerPortions++):(this._numSelectedLayerPortions--,this.model.numSelectedLayerPortions--),this._setFlags(e,t,i)}},{key:"setEdges",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&st?(this._numEdgesLayerPortions++,this.model.numEdgesLayerPortions++):(this._numEdgesLayerPortions--,this.model.numEdgesLayerPortions--),this._setFlags(e,t,i)}},{key:"setClippable",value:function(e,t){if(!this._finalized)throw"Not finalized";t&$e?(this._numClippableLayerPortions++,this.model.numClippableLayerPortions++):(this._numClippableLayerPortions--,this.model.numClippableLayerPortions--),this._setFlags2(e,t)}},{key:"_beginDeferredFlags",value:function(){this._deferredSetFlagsActive=!0}},{key:"_uploadDeferredFlags",value:function(){if(this._deferredSetFlagsActive=!1,this._deferredSetFlagsDirty){this._deferredSetFlagsDirty=!1;var e=this.model.scene.canvas.gl,t=this._dtxState;e.bindTexture(e.TEXTURE_2D,t.texturePerObjectColorsAndFlags._texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,t.texturePerObjectColorsAndFlags._textureWidth,t.texturePerObjectColorsAndFlags._textureHeight,e.RGBA_INTEGER,e.UNSIGNED_BYTE,t.texturePerObjectColorsAndFlags._textureData)}}},{key:"setCulled",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&Ze?(this._numCulledLayerPortions+=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions++):(this._numCulledLayerPortions-=this._portionToSubPortionsMap[e].length,this.model.numCulledLayerPortions--),this._setFlags(e,t,i)}},{key:"setCollidable",value:function(e,t){if(!this._finalized)throw"Not finalized"}},{key:"setPickable",value:function(e,t,i){if(!this._finalized)throw"Not finalized";t&qe?(this._numPickableLayerPortions++,this.model.numPickableLayerPortions++):(this._numPickableLayerPortions--,this.model.numPickableLayerPortions--),this._setFlags(e,t,i)}},{key:"setColor",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetColor(i[r],t)}},{key:"_subPortionSetColor",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;fh[0]=t[0],fh[1]=t[1],fh[2]=t[2],fh[3]=t[3],i.texturePerObjectColorsAndFlags._textureData.set(fh,32*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectColorsAndFlags._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*8,Math.floor(e/512),1,1,r.RGBA_INTEGER,r.UNSIGNED_BYTE,fh))}},{key:"setTransparent",value:function(e,t,i){i?(this._numTransparentLayerPortions++,this.model.numTransparentLayerPortions++):(this._numTransparentLayerPortions--,this.model.numTransparentLayerPortions--),this._setFlags(e,t,i)}},{key:"_setFlags",value:function(e,t,i){for(var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3],s=this._portionToSubPortionsMap[e],n=0,o=s.length;n<o;n++)this._subPortionSetFlags(s[n],t,i,r)}},{key:"_subPortionSetFlags",value:function(e,t,i){var r=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!this._finalized)throw"Not finalized";var s,n,o=!!(t&Ye),a=!!(t&tt),l=!!(t&it),u=!!(t&rt),c=!!(t&st),A=!!(t&qe),h=!!(t&Ze);s=!o||h||a||l&&!this.model.scene.highlightMaterial.glowThrough||u&&!this.model.scene.selectedMaterial.glowThrough?ia.NOT_RENDERED:i?ia.COLOR_TRANSPARENT:ia.COLOR_OPAQUE,n=!o||h?ia.NOT_RENDERED:u?ia.SILHOUETTE_SELECTED:l?ia.SILHOUETTE_HIGHLIGHTED:a?ia.SILHOUETTE_XRAYED:ia.NOT_RENDERED;var d=0;d=!o||h?ia.NOT_RENDERED:u?ia.EDGES_SELECTED:l?ia.EDGES_HIGHLIGHTED:a?ia.EDGES_XRAYED:c?i?ia.EDGES_COLOR_TRANSPARENT:ia.EDGES_COLOR_OPAQUE:ia.NOT_RENDERED;var p=o&&!h&&A?ia.PICK:ia.NOT_RENDERED,f=this._dtxState,v=this.model.scene.canvas.gl;fh[0]=s,fh[1]=n,fh[2]=d,fh[3]=p,f.texturePerObjectColorsAndFlags._textureData.set(fh,32*e+8),this._deferredSetFlagsActive||r?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),v.bindTexture(v.TEXTURE_2D,f.texturePerObjectColorsAndFlags._texture),v.texSubImage2D(v.TEXTURE_2D,0,e%512*8+2,Math.floor(e/512),1,1,v.RGBA_INTEGER,v.UNSIGNED_BYTE,fh))}},{key:"_setDeferredFlags",value:function(){}},{key:"_setFlags2",value:function(e,t){for(var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=this._portionToSubPortionsMap[e],s=0,n=r.length;s<n;s++)this._subPortionSetFlags2(r[s],t,i)}},{key:"_subPortionSetFlags2",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!this._finalized)throw"Not finalized";var r=t&$e?255:0,s=this._dtxState,n=this.model.scene.canvas.gl;fh[0]=r,fh[1]=0,fh[2]=1,fh[3]=2,s.texturePerObjectColorsAndFlags._textureData.set(fh,32*e+12),this._deferredSetFlagsActive||i?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),n.bindTexture(n.TEXTURE_2D,s.texturePerObjectColorsAndFlags._texture),n.texSubImage2D(n.TEXTURE_2D,0,e%512*8+3,Math.floor(e/512),1,1,n.RGBA_INTEGER,n.UNSIGNED_BYTE,fh))}},{key:"_setDeferredFlags2",value:function(){}},{key:"setOffset",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetOffset(i[r],t)}},{key:"_subPortionSetOffset",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;vh[0]=t[0],vh[1]=t[1],vh[2]=t[2],i.texturePerObjectOffsets._textureData.set(vh,3*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectOffsets._texture),r.texSubImage2D(r.TEXTURE_2D,0,0,e,1,1,r.RGB,r.FLOAT,vh))}},{key:"setMatrix",value:function(e,t){for(var i=this._portionToSubPortionsMap[e],r=0,s=i.length;r<s;r++)this._subPortionSetMatrix(i[r],t)}},{key:"_subPortionSetMatrix",value:function(e,t){if(!this._finalized)throw"Not finalized";var i=this._dtxState,r=this.model.scene.canvas.gl;ph.set(t),i.texturePerObjectInstanceMatrices._textureData.set(ph,16*e),this._deferredSetFlagsActive?this._deferredSetFlagsDirty=!0:(++this._numUpdatesInFrame>=10&&this._beginDeferredFlags(),r.bindTexture(r.TEXTURE_2D,i.texturePerObjectInstanceMatrices._texture),r.texSubImage2D(r.TEXTURE_2D,0,e%512*4,Math.floor(e/512),4,1,r.RGBA,r.FLOAT,ph))}},{key:"getEachVertex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._state,r=this._portionToSubPortionsMap[e];if(r)for(var s=0,n=r.length;s<n;s++){var o=r[s],a=this._subPortionReadableGeometries[o],l=a.positionsCompressed,u=a.positionsDecodeMatrix;a.meshMatrix;for(var c=i.origin,A=c[0],h=c[1],d=c[2],p=dh,f=0,v=l.length;f<v;f+=3)p[0]=l[f],p[1]=l[f+1],p[2]=l[f+2],p[3]=1,re.decompressPosition(p,u),re.mulMat4v4(this.model.worldMatrix,p,p),p[0]+=A,p[1]+=h,p[2]+=d,t(p)}else this.model.error("portion not found: "+e)}}},{key:"getEachIndex",value:function(e,t){if(this.model.scene.readableGeometryEnabled){var i=this._portionToSubPortionsMap[e];if(i)for(var r=0,s=i.length;r<s;r++)for(var n=i[r],o=this._subPortionReadableGeometries[n].indices,a=0,l=o.length;a<l;a++)t(o[a]);else this.model.error("portion not found: "+e)}}},{key:"drawColorOpaque",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),t.withSAO&&this.model.saoEnabled?this._renderers.colorRendererWithSAO&&this._renderers.colorRendererWithSAO.drawLayer(t,this,ia.COLOR_OPAQUE):this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"_updateBackfaceCull",value:function(e,t){var i=this.model.backfaces||e.sectioned;if(t.backfaces!==i){var r=t.gl;i?r.disable(r.CULL_FACE):r.enable(r.CULL_FACE),t.backfaces=i}}},{key:"drawColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numTransparentLayerPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.colorRenderer&&this._renderers.colorRenderer.drawLayer(t,this,ia.COLOR_TRANSPARENT))}},{key:"drawDepth",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.depthRenderer&&this._renderers.depthRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&this._numTransparentLayerPortions!==this._numPortions&&this._numXRayedLayerPortions!==this._numPortions&&(this._updateBackfaceCull(e,t),this._renderers.normalsRenderer&&this._renderers.normalsRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawSilhouetteXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_XRAYED))}},{key:"drawSilhouetteHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_HIGHLIGHTED))}},{key:"drawSilhouetteSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.silhouetteRenderer&&this._renderers.silhouetteRenderer.drawLayer(t,this,ia.SILHOUETTE_SELECTED))}},{key:"drawEdgesColorOpaque",value:function(e,t){this.model.scene.logarithmicDepthBufferEnabled?this.model.scene._loggedWarning||(console.log("Edge enhancement for SceneModel data texture layers currently disabled with logarithmic depth buffer"),this.model.scene._loggedWarning=!0):this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ia.EDGES_COLOR_OPAQUE)}},{key:"drawEdgesColorTransparent",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numEdgesLayerPortions&&0!==this._numTransparentLayerPortions&&this._renderers.edgesColorRenderer&&this._renderers.edgesColorRenderer.drawLayer(t,this,ia.EDGES_COLOR_TRANSPARENT)}},{key:"drawEdgesHighlighted",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numHighlightedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_HIGHLIGHTED)}},{key:"drawEdgesSelected",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numSelectedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_SELECTED)}},{key:"drawEdgesXRayed",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&0!==this._numXRayedLayerPortions&&this._renderers.edgesRenderer&&this._renderers.edgesRenderer.drawLayer(t,this,ia.EDGES_XRAYED)}},{key:"drawOcclusion",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.occlusionRenderer&&this._renderers.occlusionRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"drawShadow",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.shadowRenderer&&this._renderers.shadowRenderer.drawLayer(t,this,ia.COLOR_OPAQUE))}},{key:"setPickMatrices",value:function(e,t){}},{key:"drawPickMesh",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickMeshRenderer&&this._renderers.pickMeshRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawPickDepths",value:function(e,t){0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickDepthRenderer&&this._renderers.pickDepthRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawSnapInit",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapInitRenderer&&this._renderers.snapInitRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawSnap",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.snapRenderer&&this._renderers.snapRenderer.drawLayer(t,this,ia.PICK))}},{key:"drawPickNormals",value:function(e,t){this._numCulledLayerPortions!==this._numPortions&&0!==this._numVisibleLayerPortions&&(this._updateBackfaceCull(e,t),this._renderers.pickNormalsRenderer&&this._renderers.pickNormalsRenderer.drawLayer(t,this,ia.PICK))}},{key:"destroy",value:function(){if(!this._destroyed){var e=this._state;e.metallicRoughnessBuf&&(e.metallicRoughnessBuf.destroy(),e.metallicRoughnessBuf=null),this.model.scene.off(this._onSceneRendering),e.destroy(),this._destroyed=!0}}}]),e}(),yh=function(){function e(t){P(this,e),this.id=t.id,this.colorTexture=t.colorTexture,this.alphaCutoff=t.alphaCutoff,this.metallicRoughnessTexture=t.metallicRoughnessTexture,this.normalsTexture=t.normalsTexture,this.emissiveTexture=t.emissiveTexture,this.occlusionTexture=t.occlusionTexture}return C(e,[{key:"destroy",value:function(){}}]),e}(),bh=function(){function e(t){P(this,e),this.id=t.id,this.texture=t.texture}return C(e,[{key:"destroy",value:function(){this.texture&&(this.texture.destroy(),this.texture=null)}}]),e}(),Bh={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}},wh=function(){function e(t,i,r){P(this,e),this.isLoading=!1,this.itemsLoaded=0,this.itemsTotal=0,this.urlModifier=void 0,this.handlers=[],this.onStart=void 0,this.onLoad=t,this.onProgress=i,this.onError=r}return C(e,[{key:"itemStart",value:function(e){this.itemsTotal++,!1===this.isLoading&&void 0!==this.onStart&&this.onStart(e,this.itemsLoaded,this.itemsTotal),this.isLoading=!0}},{key:"itemEnd",value:function(e){this.itemsLoaded++,void 0!==this.onProgress&&this.onProgress(e,this.itemsLoaded,this.itemsTotal),this.itemsLoaded===this.itemsTotal&&(this.isLoading=!1,void 0!==this.onLoad&&this.onLoad())}},{key:"itemError",value:function(e){void 0!==this.onError&&this.onError(e)}},{key:"resolveURL",value:function(e){return this.urlModifier?this.urlModifier(e):e}},{key:"setURLModifier",value:function(e){return this.urlModifier=e,this}},{key:"addHandler",value:function(e,t){return this.handlers.push(e,t),this}},{key:"removeHandler",value:function(e){var t=this.handlers.indexOf(e);return-1!==t&&this.handlers.splice(t,2),this}},{key:"getHandler",value:function(e){for(var t=0,i=this.handlers.length;t<i;t+=2){var r=this.handlers[t],s=this.handlers[t+1];if(r.global&&(r.lastIndex=0),r.test(e))return s}return null}}]),e}(),Ph=new wh,xh=function(){function e(t){P(this,e),this.manager=void 0!==t?t:Ph,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}return C(e,[{key:"load",value:function(){}},{key:"loadAsync",value:function(e,t){var i=this;return new Promise((function(r,s){i.load(e,r,t,s)}))}},{key:"parse",value:function(){}},{key:"setCrossOrigin",value:function(e){return this.crossOrigin=e,this}},{key:"setWithCredentials",value:function(e){return this.withCredentials=e,this}},{key:"setPath",value:function(e){return this.path=e,this}},{key:"setResourcePath",value:function(e){return this.resourcePath=e,this}},{key:"setRequestHeader",value:function(e){return this.requestHeader=e,this}}]),e}(),Ch={},Mh=function(e){p(i,xh);var t=v(i);function i(e){return P(this,i),t.call(this,e)}return C(i,[{key:"load",value:function(e,t,i,r){var s=this;void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);var n=Bh.get(e);if(void 0!==n)return this.manager.itemStart(e),we.scheduleTask((function(){t&&t(n),s.manager.itemEnd(e)}),0),n;if(void 0===Ch[e]){Ch[e]=[],Ch[e].push({onLoad:t,onProgress:i,onError:r});var o=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,l=this.responseType;fetch(o).then((function(t){if(200===t.status||0===t.status){if(0===t.status&&console.warn("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body.getReader)return t;var i=Ch[e],r=t.body.getReader(),s=t.headers.get("Content-Length"),n=s?parseInt(s):0,o=0!==n,a=0,l=new ReadableStream({start:function(e){!function t(){r.read().then((function(r){var s=r.done,l=r.value;if(s)e.close();else{a+=l.byteLength;for(var u=new ProgressEvent("progress",{lengthComputable:o,loaded:a,total:n}),c=0,A=i.length;c<A;c++){var h=i[c];h.onProgress&&h.onProgress(u)}e.enqueue(l),t()}}))}()}});return new Response(l)}throw Error('fetch for "'.concat(t.url,'" responded with ').concat(t.status,": ").concat(t.statusText))})).then((function(e){switch(l){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((function(e){return(new DOMParser).parseFromString(e,a)}));case"json":return e.json();default:if(void 0===a)return e.text();var t=/charset="?([^;"\s]*)"?/i.exec(a),i=t&&t[1]?t[1].toLowerCase():void 0,r=new TextDecoder(i);return e.arrayBuffer().then((function(e){return r.decode(e)}))}})).then((function(t){Bh.add(e,t);var i=Ch[e];delete Ch[e];for(var r=0,s=i.length;r<s;r++){var n=i[r];n.onLoad&&n.onLoad(t)}})).catch((function(t){var i=Ch[e];if(void 0===i)throw s.manager.itemError(e),t;delete Ch[e];for(var r=0,n=i.length;r<n;r++){var o=i[r];o.onError&&o.onError(t)}s.manager.itemError(e)})).finally((function(){s.manager.itemEnd(e)})),this.manager.itemStart(e)}else Ch[e].push({onLoad:t,onProgress:i,onError:r})}},{key:"setResponseType",value:function(e){return this.responseType=e,this}},{key:"setMimeType",value:function(e){return this.mimeType=e,this}}]),i}(),Eh=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:4;P(this,e),this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}return C(e,[{key:"_initWorker",value:function(e){if(!this.workers[e]){var t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}},{key:"_getIdleWorker",value:function(){for(var e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}},{key:"_onMessage",value:function(e,t){var i=this.workersResolve[e];if(i&&i(t),this.queue.length){var r=this.queue.shift(),s=r.resolve,n=r.msg,o=r.transfer;this.workersResolve[e]=s,this.workers[e].postMessage(n,o)}else this.workerStatus^=1<<e}},{key:"setWorkerCreator",value:function(e){this.workerCreator=e}},{key:"setWorkerLimit",value:function(e){this.pool=e}},{key:"postMessage",value:function(e,t){var i=this;return new Promise((function(r){var s=i._getIdleWorker();-1!==s?(i._initWorker(s),i.workerStatus|=1<<s,i.workersResolve[s]=r,i.workers[s].postMessage(e,t)):i.queue.push({resolve:r,msg:e,transfer:t})}))}},{key:"destroy",value:function(){this.workers.forEach((function(e){return e.terminate()})),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}]),e}(),Fh=0,kh=function(){function e(t){var i=t.viewer,r=t.transcoderPath,s=t.workerLimit;P(this,e),this._transcoderPath=r||"https://cdn.jsdelivr.net/npm/@xeokit/xeokit-sdk/dist/basis/",this._transcoderBinary=null,this._transcoderPending=null,this._workerPool=new Eh,this._workerSourceURL="",s&&this._workerPool.setWorkerLimit(s);var n=i.capabilities;this._workerConfig={astcSupported:n.astcSupported,etc1Supported:n.etc1Supported,etc2Supported:n.etc2Supported,dxtSupported:n.dxtSupported,bptcSupported:n.bptcSupported,pvrtcSupported:n.pvrtcSupported},this._supportedFileTypes=["xkt2"]}return C(e,[{key:"_init",value:function(){var t=this;if(!this._transcoderPending){var i=new Mh;i.setPath(this._transcoderPath),i.setWithCredentials(this.withCredentials);var r=i.loadAsync("basis_transcoder.js"),s=new Mh;s.setPath(this._transcoderPath),s.setResponseType("arraybuffer"),s.setWithCredentials(this.withCredentials);var n=s.loadAsync("basis_transcoder.wasm");this._transcoderPending=Promise.all([r,n]).then((function(i){var r=b(i,2),s=r[0],n=r[1],o=e.BasisWorker.toString(),a=["/* constants */","let _EngineFormat = "+JSON.stringify(e.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(e.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(e.BasisFormat),"/* basis_transcoder.js */",s,"/* worker */",o.substring(o.indexOf("{")+1,o.lastIndexOf("}"))].join("\n");t._workerSourceURL=URL.createObjectURL(new Blob([a])),t._transcoderBinary=n,t._workerPool.setWorkerCreator((function(){var e=new Worker(t._workerSourceURL),i=t._transcoderBinary.slice(0);return e.postMessage({type:"init",config:t._workerConfig,transcoderBinary:i},[i]),e}))})),Fh>0&&console.warn("KTX2TextureTranscoder: Multiple active KTX2TextureTranscoder may cause performance issues. Use a single KTX2TextureTranscoder instance, or call .dispose() on old instances."),Fh++}return this._transcoderPending}},{key:"transcode",value:function(e,t){var i=this,r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};return new Promise((function(s,n){var o=r;i._init().then((function(){return i._workerPool.postMessage({type:"transcode",buffers:e,taskConfig:o},e)})).then((function(e){var i=e.data,r=i.mipmaps,o=(i.width,i.height,i.format),a=i.type,l=i.error,u=i.dfdTransferFn,c=i.dfdFlags;if("error"===a)return n(l);t.setCompressedData({mipmaps:r,props:{format:o,minFilter:1===r.length?1006:1008,magFilter:1===r.length?1006:1008,encoding:2===u?3001:3e3,premultiplyAlpha:!!(1&c)}}),s()}))}))}},{key:"destroy",value:function(){URL.revokeObjectURL(this._workerSourceURL),this._workerPool.destroy(),Fh--}}]),e}();kh.BasisFormat={ETC1S:0,UASTC_4x4:1},kh.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},kh.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},kh.BasisWorker=function(){var e,t,i,r=_EngineFormat,s=_TranscoderFormat,n=_BasisFormat;self.addEventListener("message",(function(o){var c,A=o.data;switch(A.type){case"init":e=A.config,c=A.transcoderBinary,t=new Promise((function(e){i={wasmBinary:c,onRuntimeInitialized:e},BASIS(i)})).then((function(){i.initializeBasis(),void 0===i.KTX2File&&console.warn("KTX2TextureTranscoder: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((function(){try{for(var t=function(t){var o=new i.KTX2File(new Uint8Array(t));function c(){o.close(),o.delete()}if(!o.isValid())throw c(),new Error("KTX2TextureTranscoder: Invalid or unsupported .ktx2 file");var A=o.isUASTC()?n.UASTC_4x4:n.ETC1S,h=o.getWidth(),d=o.getHeight(),p=o.getLevels(),f=o.getHasAlpha(),v=o.getDFDTransferFunc(),g=o.getDFDFlags(),m=function(t,i,o,c){for(var A,h,d=t===n.ETC1S?a:l,p=0;p<d.length;p++){var f=d[p];if(e[f.if]&&(f.basisFormat.includes(t)&&!(c&&f.transcoderFormat.length<2)&&(!f.needsPowerOfTwo||u(i)&&u(o))))return{transcoderFormat:A=f.transcoderFormat[c?1:0],engineFormat:h=f.engineFormat[c?1:0]}}return console.warn("KTX2TextureTranscoder: No suitable compressed texture format found. Decoding to RGBA32."),A=s.RGBA32,h=r.RGBAFormat,{transcoderFormat:A,engineFormat:h}}(A,h,d,f),_=m.transcoderFormat,y=m.engineFormat;if(!h||!d||!p)throw c(),new Error("KTX2TextureTranscoder: Invalid texture");if(!o.startTranscoding())throw c(),new Error("KTX2TextureTranscoder: .startTranscoding failed");for(var b=[],B=0;B<p;B++){var w=o.getImageLevelInfo(B,0,0),P=w.origWidth,x=w.origHeight,C=new Uint8Array(o.getImageTranscodedSizeInBytes(B,0,0,_));if(!o.transcodeImage(C,B,0,0,_,0,-1,-1))throw c(),new Error("KTX2TextureTranscoder: .transcodeImage failed.");b.push({data:C,width:P,height:x})}return c(),{width:h,height:d,hasAlpha:f,mipmaps:b,format:y,dfdTransferFn:v,dfdFlags:g}}(A.buffers[0]),o=t.width,c=t.height,h=t.hasAlpha,d=t.mipmaps,p=t.format,f=t.dfdTransferFn,v=t.dfdFlags,g=[],m=0;m<d.length;++m)g.push(d[m].data.buffer);self.postMessage({type:"transcode",id:A.id,width:o,height:c,hasAlpha:h,mipmaps:d,format:p,dfdTransferFn:f,dfdFlags:v},g)}catch(e){console.error("[KTX2TextureTranscoder.BasisWorker]: ".concat(e)),self.postMessage({type:"error",id:A.id,error:e.message})}}))}}));var o=[{if:"astcSupported",basisFormat:[n.UASTC_4x4],transcoderFormat:[s.ASTC_4x4,s.ASTC_4x4],engineFormat:[r.RGBA_ASTC_4x4_Format,r.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.BC7_M5,s.BC7_M5],engineFormat:[r.RGBA_BPTC_Format,r.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.BC1,s.BC3],engineFormat:[r.RGB_S3TC_DXT1_Format,r.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.ETC1,s.ETC2],engineFormat:[r.RGB_ETC2_Format,r.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.ETC1],engineFormat:[r.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[n.ETC1S,n.UASTC_4x4],transcoderFormat:[s.PVRTC1_4_RGB,s.PVRTC1_4_RGBA],engineFormat:[r.RGB_PVRTC_4BPPV1_Format,r.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],a=o.sort((function(e,t){return e.priorityETC1S-t.priorityETC1S})),l=o.sort((function(e,t){return e.priorityUASTC-t.priorityUASTC}));function u(e){return e<=2||0==(e&e-1)&&0!==e}};var Ih={};function Dh(e){var t=e.scene.id,i=Ih[t];return i||(i=new kh({viewer:e}),Ih[t]=i,e.scene.on("destroyed",(function(){delete Ih[t],i.destroy()}))),i}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
@@ -10,11 +10,11 @@ var e,t=s().mark(zP),i=s().mark(KP),r=s().mark(rE);function s(){/*! regenerator-
  * The time is O(N logN) with the number of positionsCompressed due to a pre-sorting
  * step, but is much more GC-friendly and actually faster than the classic O(N)
  * approach based in keeping a hash-based LUT to identify unique positionsCompressed.
- */var Dh=null;function Sh(e,t){for(var i,r=0;r<3;r++)if(0!=(i=Dh[3*e+r]-Dh[3*t+r]))return i;return 0}var Th=null;function Rh(e){var t=e.positionsCompressed,i=e.indices,r=e.edgeIndices;!function(e){if(!(null!==Th&&Th.length>=e)){Th=new Uint32Array(e);for(var t=0;t<e;t++)Th[t]=t}}(t.length/3);var s=Th.slice(0,t.length/3),n=Th.slice(0,t.length/3);Dh=t,s.sort(Sh);var o=0;n[s[0]]=0;for(var a=1,l=s.length;a<l;a++)0!==Sh(s[a],s[a-1])&&o++,n[s[a]]=o;var u=new Uint16Array(3*(o+1));u[3*(o=0)+0]=t[3*s[0]+0],u[3*o+1]=t[3*s[0]+1],u[3*o+2]=t[3*s[0]+2];for(var c=1,A=s.length;c<A;c++)0!==Sh(s[c],s[c-1])&&(u[3*++o+0]=t[3*s[c]+0],u[3*o+1]=t[3*s[c]+1],u[3*o+2]=t[3*s[c]+2]),n[s[c]]=o;Dh=null;for(var h=new Uint32Array(i.length),d=0,p=i.length;d<p;d++)h[d]=n[i[d]];for(var f=new Uint32Array(r.length),v=0,g=r.length;v<g;v++)f[v]=n[r[v]];return[u,h,f]}
+ */var Sh=null;function Th(e,t){for(var i,r=0;r<3;r++)if(0!=(i=Sh[3*e+r]-Sh[3*t+r]))return i;return 0}var Rh=null;function Lh(e){var t=e.positionsCompressed,i=e.indices,r=e.edgeIndices;!function(e){if(!(null!==Rh&&Rh.length>=e)){Rh=new Uint32Array(e);for(var t=0;t<e;t++)Rh[t]=t}}(t.length/3);var s=Rh.slice(0,t.length/3),n=Rh.slice(0,t.length/3);Sh=t,s.sort(Th);var o=0;n[s[0]]=0;for(var a=1,l=s.length;a<l;a++)0!==Th(s[a],s[a-1])&&o++,n[s[a]]=o;var u=new Uint16Array(3*(o+1));u[3*(o=0)+0]=t[3*s[0]+0],u[3*o+1]=t[3*s[0]+1],u[3*o+2]=t[3*s[0]+2];for(var c=1,A=s.length;c<A;c++)0!==Th(s[c],s[c-1])&&(u[3*++o+0]=t[3*s[c]+0],u[3*o+1]=t[3*s[c]+1],u[3*o+2]=t[3*s[c]+2]),n[s[c]]=o;Sh=null;for(var h=new Uint32Array(i.length),d=0,p=i.length;d<p;d++)h[d]=n[i[d]];for(var f=new Uint32Array(r.length),v=0,g=r.length;v<g;v++)f[v]=n[r[v]];return[u,h,f]}
 /**
  * @author https://github.com/tmarti, with support from https://tribia.com/
  * @license MIT
- **/var Lh=null;function Uh(e,t){var i,r,s,n,o,a,l=3*e,u=3*t,c=Math.min(i=Lh[l],r=Lh[l+1],s=Lh[l+2]),A=Math.min(n=Lh[u],o=Lh[u+1],a=Lh[u+2]);if(c!==A)return c-A;var h=Math.max(i,r,s),d=Math.max(n,o,a);return h!==d?h-d:0}function Oh(e,t){for(var i=new Int32Array(e.length/3),r=0,s=i.length;r<s;r++)i[r]=r;Lh=new Int32Array(e.length);for(var n=0,o=e.length;n<o;n++)Lh[n]=e[n]>>t;i.sort(Uh);for(var a=new Int32Array(e.length),l=0,u=i.length;l<u;l++)a[3*l+0]=e[3*i[l]+0],a[3*l+1]=e[3*i[l]+1],a[3*l+2]=e[3*i[l]+2];return a}var Nh=null;function Qh(e,t){var i=Nh[2*e]-Nh[2*t];return 0!==i?i:Nh[2*e+1]-Nh[2*t+1]}function Vh(e){if(0===(e||[]).length)return[];for(var t=new Int32Array(e.length/2),i=0,r=t.length;i<r;i++)t[i]=i;for(var s=0,n=e.length;s<n;s+=2)if(e[s]>e[s+1]){var o=e[s];e[s]=e[s+1],e[s+1]=o}Nh=new Int32Array(e),t.sort(Qh);for(var a=new Int32Array(e.length),l=0,u=t.length;l<u;l++)a[2*l+0]=e[2*t[l]+0],a[2*l+1]=e[2*t[l]+1];return a}function Hh(e,t){var i={},r={};e.forEach((function(e){for(var t=e.indices,s=e.edgeIndices,n=e.positionsCompressed,o=0,a=t.length;o<a;o+=3){var l=n[3*t[o]]+"_"+n[3*t[o]+1]+"_"+n[3*t[o]+2]+"/"+n[3*t[o+1]]+"_"+n[3*t[o+1]+1]+"_"+n[3*t[o+1]+2]+"/"+n[3*t[o+2]]+"_"+n[3*t[o+2]+1]+"_"+n[3*t[o+2]+2];i[l]=!0}e.edgeIndices.length/2;for(var u=0,c=s.length;u<c;u+=2){var A=n[3*s[u]]+"_"+n[3*s[u]+1]+"_"+n[3*s[u]+2]+"/"+n[3*s[u+1]]+"_"+n[3*s[u+1]+1]+"_"+n[3*s[u+1]+2]+"/";r[A]=!0}}));var s=t.indices;t.edgeIndices;for(var n=t.positionsCompressed,o=0,a=s.length;o<a;o+=3){var l=n[3*s[o]]+"_"+n[3*s[o]+1]+"_"+n[3*s[o]+2]+"/"+n[3*s[o+1]]+"_"+n[3*s[o+1]+1]+"_"+n[3*s[o+1]+2]+"/"+n[3*s[o+2]]+"_"+n[3*s[o+2]+1]+"_"+n[3*s[o+2]+2];if(!(l in i))throw console.log("Not found "+l),"Ohhhh!"}}var jh=re.vec4(4),Gh=re.vec4(),zh=re.vec4(),Kh=re.vec3([1,0,0]),Wh=re.vec3([0,1,0]),Xh=re.vec3([0,0,1]);re.vec3(3),re.vec3(3);var Jh=re.identityMat4(),Yh=function(){function e(t){P(this,e),this._model=t.model,this.id=t.id,this._parentTransform=t.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=re.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=re.identityMat4(new Float32Array(16)),this._worldMatrix=re.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),t.parent&&t.parent._addChildTransform(this)}return C(e,[{key:"_addChildTransform",value:function(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}},{key:"_addMesh",value:function(e){this._meshes.push(e),e.transform=this}},{key:"parentTransform",get:function(){return this._parentTransform}},{key:"meshes",get:function(){return this._meshes}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||Jh),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return jh[0]=e[0],jh[1]=e[1],jh[2]=e[2],jh[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(jh,Gh),re.mulQuaternions(this.quaternion,Gh,zh),this.quaternion=zh,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return jh[0]=e[0],jh[1]=e[1],jh[2]=e[2],jh[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(jh,Gh),re.mulQuaternions(Gh,this.quaternion,Gh),this}},{key:"rotateX",value:function(e){return this.rotate(Kh,e)}},{key:"rotateY",value:function(e){return this.rotate(Wh,e)}},{key:"rotateZ",value:function(e){return this.rotate(Xh,e)}},{key:"translate",value:function(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateX",value:function(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateY",value:function(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateZ",value:function(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._transformDirty()}},{key:"_transformDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._childTransforms.length;e<t;e++){var i=this._childTransforms[e];if(i._transformDirty(),i._meshes&&i._meshes.length>0)for(var r=i._meshes,s=0,n=r.length;s<n;s++)r[s]._transformDirty()}if(this._meshes&&this._meshes.length>0)for(var o=this._meshes,a=0,l=o.length;a<l;a++)o[a]._transformDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentTransform)re.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._childTransforms)for(var t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}]),e}(),Zh=re.vec3(),qh=re.OBB3(),$h=re.vec4(),ed=re.vec3([1,1,1]),td=re.vec3([0,0,0]);re.vec3([0,0,0]);var id=re.identityQuaternion(),rd=re.identityMat4(),sd=new Uint8Array([255,255,255]),nd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r._dtxEnabled=r.scene.dtxEnabled&&!1!==s.dtxEnabled,r._enableVertexWelding=!1,r._enableIndexBucketing=!1,r._vboBatchingLayerScratchMemory=ea(),r._textureTranscoder=s.textureTranscoder||Ih(r.scene.viewer),r._maxGeometryBatchSize=s.maxGeometryBatchSize,r._aabb=re.collapseAABB3(),r._aabbDirty=!0,r._quantizationRanges={},r._vboInstancingLayers={},r._vboBatchingLayers={},r._dtxLayers={},r._meshList=[],r.layerList=[],r._layersToFinalize=[],r._entityList=[],r._entitiesToFinalize=[],r._geometries={},r._dtxBuckets={},r._textures={},r._textureSets={},r._transforms={},r._meshes={},r._unusedMeshes={},r._entities={},r.renderFlags=new Cn,r.numGeometries=0,r.numPortions=0,r.numVisibleLayerPortions=0,r.numTransparentLayerPortions=0,r.numXRayedLayerPortions=0,r.numHighlightedLayerPortions=0,r.numSelectedLayerPortions=0,r.numEdgesLayerPortions=0,r.numPickableLayerPortions=0,r.numClippableLayerPortions=0,r.numCulledLayerPortions=0,r.numEntities=0,r._numTriangles=0,r._numLines=0,r._numPoints=0,r._layersFinalized=!1,r._edgeThreshold=s.edgeThreshold||10,r._origin=re.vec3(s.origin||[0,0,0]),r._position=re.vec3(s.position||[0,0,0]),r._rotation=re.vec3(s.rotation||[0,0,0]),r._quaternion=re.vec4(s.quaternion||[0,0,0,1]),r._conjugateQuaternion=re.vec4(s.quaternion||[0,0,0,1]),s.rotation&&re.eulerToQuaternion(r._rotation,"XYZ",r._quaternion),r._scale=re.vec3(s.scale||[1,1,1]),r._worldRotationMatrix=re.mat4(),r._worldRotationMatrixConjugate=re.mat4(),r._matrix=re.mat4(),r._matrixDirty=!0,r._rebuildMatrices(),r._worldNormalMatrix=re.mat4(),re.inverseMat4(r._matrix,r._worldNormalMatrix),re.transposeMat4(r._worldNormalMatrix),(s.matrix||s.position||s.rotation||s.scale||s.quaternion)&&(r._viewMatrix=re.mat4(),r._viewNormalMatrix=re.mat4(),r._viewMatrixDirty=!0,r._matrixNonIdentity=!0),r._opacity=1,r._colorize=[1,1,1],r._saoEnabled=!1!==s.saoEnabled,r._pbrEnabled=!1!==s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._isModel=s.isModel,r._isModel&&r.scene._registerModel(b(r)),r._onCameraViewMatrix=r.scene.camera.on("matrix",(function(){r._viewMatrixDirty=!0})),r._meshesWithDirtyMatrices=[],r._numMeshesWithDirtyMatrices=0,r._onTick=r.scene.on("tick",(function(){for(;r._numMeshesWithDirtyMatrices>0;)r._meshesWithDirtyMatrices[--r._numMeshesWithDirtyMatrices]._updateMatrix()})),r._createDefaultTextureSet(),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.backfaces=s.backfaces,r}return C(i,[{key:"_meshMatrixDirty",value:function(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}},{key:"_createDefaultTextureSet",value:function(){var e=new yh({id:"defaultColorTexture",texture:new co({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new yh({id:"defaultMetalRoughTexture",texture:new co({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new yh({id:"defaultNormalsTexture",texture:new co({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),r=new yh({id:"defaultEmissiveTexture",texture:new co({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),s=new yh({id:"defaultOcclusionTexture",texture:new co({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=r,this._textures.defaultOcclusionTexture=s,this._textureSets.defaultTextureSet=new _h({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:r,occlusionTexture:s})}},{key:"isPerformanceModel",get:function(){return!0}},{key:"transforms",get:function(){return this._transforms}},{key:"textures",get:function(){return this._textures}},{key:"textureSets",get:function(){return this._textureSets}},{key:"meshes",get:function(){return this._meshes}},{key:"objects",get:function(){return this._entities}},{key:"origin",get:function(){return this._origin}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){}},{key:"matrix",get:function(){return this._rebuildMatrices(),this._matrix},set:function(e){this._matrix.set(e||rd),re.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotationMatrix",get:function(){return this._rebuildMatrices(),this._worldRotationMatrix}},{key:"_rebuildMatrices",value:function(){this._matrixDirty&&(re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),re.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),re.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),re.scaleMat4v(this._scale,this._worldRotationMatrix),re.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),re.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}},{key:"rotationMatrixConjugate",get:function(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}},{key:"_setWorldMatrixDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}},{key:"_sceneModelDirty",value:function(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}},{key:"worldMatrix",get:function(){return this.matrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrix}},{key:"_rebuildViewMatrices",value:function(){this._rebuildMatrices(),this._viewMatrixDirty&&(re.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}},{key:"viewMatrix",get:function(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}},{key:"viewNormalMatrix",get:function(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}},{key:"backfaces",get:function(){return this._backfaces},set:function(e){e=!!e,this._backfaces=e,this.glRedraw()}},{key:"entityList",get:function(){return this._entityList}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return!1}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._entityList.length;e<t;e++)re.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"numLines",get:function(){return this._numLines}},{key:"numPoints",get:function(){return this._numPoints}},{key:"visible",get:function(){return this.numVisibleLayerPortions>0},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}},{key:"xrayed",get:function(){return this.numXRayedLayerPortions>0},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}},{key:"highlighted",get:function(){return this.numHighlightedLayerPortions>0},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}},{key:"selected",get:function(){return this.numSelectedLayerPortions>0},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}},{key:"edges",get:function(){return this.numEdgesLayerPortions>0},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}},{key:"pickable",get:function(){return this.numPickableLayerPortions>0},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}},{key:"colorize",get:function(){return this._colorize},set:function(e){this._colorize=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}},{key:"opacity",get:function(){return this._opacity},set:function(e){this._opacity=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}},{key:"saoEnabled",get:function(){return this._saoEnabled}},{key:"pbrEnabled",get:function(){return this._pbrEnabled}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!1}},{key:"xrayMaterial",get:function(){return this.scene.xrayMaterial}},{key:"highlightMaterial",get:function(){return this.scene.highlightMaterial}},{key:"selectedMaterial",get:function(){return this.scene.selectedMaterial}},{key:"edgeMaterial",get:function(){return this.scene.edgeMaterial}},{key:"getPickViewMatrix",value:function(e){return this._viewMatrix?this._viewMatrix:e}},{key:"createQuantizationRange",value:function(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Xa(e.aabb,re.mat4())}:this.error("[createQuantizationRange] Config missing: id")}},{key:"createGeometry",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("[createGeometry] Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Xa(e.positionsDecodeBoundary,re.mat4())),e.positions){var i=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(i,e.positions),e.positionsCompressed=Wa(e.positions,i,e.positionsDecodeMatrix),e.aabb=i}else if(e.positionsCompressed){var r=re.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),re.expandAABB3Points3(r,e.positionsCompressed),ur.decompressAABB(r,e.positionsDecodeMatrix),e.aabb=r}else if(e.buckets){var s=re.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(var n=0,o=e.buckets.length;n<o;n++){var a=e.buckets[n];a.positions?re.expandAABB3Points3(s,a.positions):a.positionsCompressed&&re.expandAABB3Points3(s,a.positionsCompressed)}e.positionsDecodeMatrix&&ur.decompressAABB(s,e.positionsDecodeMatrix),e.aabb=s}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){for(var l=e.colors,u=new Uint8Array(l.length),c=0,A=l.length;c<A;c++)u[c]=255*l[c];e.colorsCompressed=u}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=ir(e.positions,e.indices,null,5):e.edgeIndices=ir(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){var h=ur.getUVBounds(e.uv),d=ur.compressUVs(e.uv,h.min,h.max);e.uvCompressed=d.quantized,e.uvDecodeMatrix=d.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error("[createGeometry] Unsupported value for 'primitive': '".concat(e.primitive,"' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'."));else this.error("[createGeometry] Config missing: id")}},{key:"createTexture",value:function(e){var t=this,i=e.id;if(null!=i)if(this._textures[i])this.error("[createTexture] Texture already created: "+i);else{if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;var r=e.minFilter||1008;1006!==r&&1007!==r&&1008!==r&&1005!==r&&1004!==r&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),r=1008);var s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);var n=e.wrapS||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);var o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);var a=e.wrapR||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);var l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);var u=new co({gl:this.scene.canvas.gl,minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,encoding:l});if(e.preloadColor&&u.setPreloadColor(e.preloadColor),e.image){var c=e.image;if(c.crossOrigin="Anonymous",c.compressed){var A=c.data;u.setCompressedData({mipmaps:A,props:{format:A[0].format,minFilter:r,magFilter:s}})}else u.setImage(c,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l})}else if(e.src){var h=e.src.split(".").pop();switch(h){case"jpeg":case"jpg":case"png":case"gif":var d=new Image;d.onload=function(){u.setImage(d,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l}),t.glRedraw()},d.src=e.src;break;default:this._textureTranscoder?he.loadArraybuffer(e.src,(function(e){e.byteLength?t._textureTranscoder.transcode([e],u).then((function(){t.glRedraw()})):t.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error("[createTexture] Can't create texture from 'src': ".concat(e))})):this.error("[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('".concat(h,"')"))}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,u).then((function(){t.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[i]=new yh({id:i,texture:u})}else this.error("[createTexture] Config missing: id")}},{key:"createTextureSet",value:function(e){var t=e.id;if(null!=t){if(!this._textureSets[t]){var i,r,s,n,o;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(!(i=this._textures[e.colorTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.colorTextureId," - ensure that you create it first with createTexture()"))}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(!(r=this._textures[e.metallicRoughnessTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.metallicRoughnessTextureId," - ensure that you create it first with createTexture()"))}else r=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(!(s=this._textures[e.normalsTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.normalsTextureId," - ensure that you create it first with createTexture()"))}else s=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(!(n=this._textures[e.emissiveTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.emissiveTextureId," - ensure that you create it first with createTexture()"))}else n=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(!(o=this._textures[e.occlusionTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.occlusionTextureId," - ensure that you create it first with createTexture()"))}else o=this._textures.defaultOcclusionTexture;var a=new _h({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:r,normalsTexture:s,emissiveTexture:n,occlusionTexture:o});return this._textureSets[t]=a,a}this.error("[createTextureSet] Texture set already created: ".concat(t))}else this.error("[createTextureSet] Config missing: id")}},{key:"createTransform",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._transforms[e.id])this.error("[createTransform] SceneModel already has a transform with this ID: ".concat(e.id));else{var t;if(!e.parentTransformId||(t=this._transforms[e.parentTransformId])){var i=new Yh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}this.error("[createTransform] SceneModel.createTransform() config missing: id")}else this.error("[createTransform] SceneModel.createTransform() config missing: id")}},{key:"createMesh",value:function(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error("[createMesh] SceneModel already has a mesh with this ID: ".concat(e.id)),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error("Unsupported value for 'primitive': '".concat(primitive,"'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.")),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error("Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;var i=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var r=e.scale||ed,s=e.position||td;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",$h),e.meshMatrix=re.composeMat4(s,$h,r,re.mat4())):e.meshMatrix=re.composeMat4(s,e.quaternion||id,r,re.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Xa(e.positionsDecodeBoundary,re.mat4())),i){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):sd,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){var n=re.vec3(),o=[];We(e.positions,o,n)&&(e.positions=o,e.origin=re.addVec3(e.origin,n,n))}if(e.positions){var a=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(a,e.positions),e.positionsCompressed=Wa(e.positions,a,e.positionsDecodeMatrix),e.aabb=a}else if(e.positionsCompressed){var l=re.collapseAABB3();re.expandAABB3Points3(l,e.positionsCompressed),ur.decompressAABB(l,e.positionsDecodeMatrix),e.aabb=l}if(e.buckets){for(var u=re.collapseAABB3(),c=0,A=e.buckets.length;c<A;c++){var h=e.buckets[c];h.positions?re.expandAABB3Points3(u,h.positions):h.positionsCompressed&&re.expandAABB3Points3(u,h.positionsCompressed)}e.positionsDecodeMatrix&&ur.decompressAABB(u,e.positionsDecodeMatrix),e.aabb=u}e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,qh),re.transformOBB3(e.meshMatrix,qh),re.OBB3ToAABB3(qh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=ir(e.positions,e.indices,null,2):e.edgeIndices=ir(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=od(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){var d=[];We(e.positions,d,Zh)&&(e.positions=d,e.origin=re.addVec3(e.origin,Zh,re.vec3()))}if(e.positions){var p=re.collapseAABB3();e.meshMatrix&&(re.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),re.expandAABB3Points3(p,e.positions),e.aabb=p}else{var f=re.collapseAABB3();re.expandAABB3Points3(f,e.positionsCompressed),ur.decompressAABB(f,e.positionsDecodeMatrix),e.aabb=f}if(e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,qh),re.transformOBB3(e.meshMatrix,qh),re.OBB3ToAABB3(qh,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=ir(e.positions,e.indices,null,2):e.edgeIndices=ir(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error("[createMesh] Texture set not found: ".concat(e.textureSetId," - ensure that you create it first with createTextureSet()")),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error("[createMesh] Geometry not found: ".concat(e.geometryId," - ensure that you create it first with createGeometry()")),!1;if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error("[createMesh] Transform not found: ".concat(e.transformId," - ensure that you create it first with createTransform()")),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var v=e.scale||ed,g=e.position||td;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",$h),e.meshMatrix=re.composeMat4(g,$h,v,re.mat4())):e.meshMatrix=re.composeMat4(g,e.quaternion||id,v,re.mat4())}re.AABB3ToOBB3(e.geometry.aabb,qh),re.transformOBB3(e.meshMatrix,qh),e.aabb=re.OBB3ToAABB3(qh,re.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):sd,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;var m=this._dtxBuckets[e.geometryId];m||(m=od(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=m),e.buckets=m}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):sd,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}},{key:"_createDefaultIndices",value:function(e){for(var t=[],i=0;i<e;i++)t.push(i);return t}},{key:"_createMesh",value:function(e){var t=new Zo(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);var i=t.pickId,r=i>>24&255,s=i>>16&255,n=i>>8&255,o=255&i;switch(e.pickColor=new Uint8Array([o,n,s,r]),e.solid="solid"===e.primitive,t.origin=re.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}},{key:"_getNumPrimitives",value:function(e){var t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(var i=0,r=e.buckets.length;i<r;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(var s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:var o=e.geometry;t+=o.positions?o.positions.length:o.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(var a=0,l=e.buckets.length;a<l;a++)t+=e.buckets[a].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}},{key:"_getDTXLayer",value:function(e){var t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,r=".".concat(i,".").concat(Math.round(t[0]),".").concat(Math.round(t[1]),".").concat(Math.round(t[2])),s=this._dtxLayers[r];if(s){if(s.canCreatePortion(e))return s;delete this._dtxLayers[r],s=null}switch(i){case"triangles":case"solid":case"surface":s=new mh(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":s=new Xc(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[r]=s,this.layerList.push(s),this._layersToFinalize.push(s),s}},{key:"_getVBOBatchingLayer",value:function(e){var t=this,i=e.origin;e.renderLayer;var r=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",s=e.textureSetId||"-",n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(e.primitive,".").concat(r,".").concat(s),o=this._vboBatchingLayers[n];if(o)return o;for(var a=e.textureSet;!o;){switch(e.primitive){case"triangles":case"solid":case"surface":o=new al({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":o=new gu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":o=new sc({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}var l=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?o.canCreatePortion(l):o.canCreatePortion(l,e.indices.length))||(o.finalize(),delete this._vboBatchingLayers[n],o=null)}return this._vboBatchingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"_createHashStringFromMatrix",value:function(e){for(var t=e.join(""),i=0,r=0;r<t.length;r++){i=(i<<5)-i+t.charCodeAt(r),i|=0}return(i>>>0).toString(16)}},{key:"_getVBOInstancingLayer",value:function(e){var t=this,i=e.origin,r=e.textureSetId||"-",s=e.geometryId,n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(r,".").concat(s),o=this._vboInstancingLayers[n];if(o)return o;for(var a=e.textureSet,l=e.geometry;!o;)switch(l.primitive){case"triangles":case"surface":o=new ql({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":o=new ql({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":o=new Uu({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":o=new Fc({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"createEntity",value:function(e){if(void 0===e.id?e.id=re.createUUID():this.scene.components[e.id]&&(this.error("Scene already has a Component with this ID: ".concat(e.id," - will assign random ID")),e.id=re.createUUID()),void 0!==e.meshIds){var t=0;return this._visible&&!1!==e.visible&&(t|=Ye),this._pickable&&!1!==e.pickable&&(t|=qe),this._culled&&!1!==e.culled&&(t|=Ze),this._clippable&&!1!==e.clippable&&(t|=$e),this._collidable&&!1!==e.collidable&&(t|=et),this._edges&&!1!==e.edges&&(t|=st),this._xrayed&&!1!==e.xrayed&&(t|=tt),this._highlighted&&!1!==e.highlighted&&(t|=it),this._selected&&!1!==e.selected&&(t|=rt),e.flags=t,this._createEntity(e)}this.error("Config missing: meshIds")}},{key:"_createEntity",value:function(e){for(var t=[],i=0,r=e.meshIds.length;i<r;i++){var s=e.meshIds[i],n=this._meshes[s];n?n.parent?this.error('Mesh with ID "'.concat(s,'" already belongs to object with ID "').concat(n.parent.id,'" - ignoring this mesh')):(t.push(n),delete this._unusedMeshes[s]):this.error('Mesh with this ID not found: "'.concat(s,'" - ignoring this mesh'))}var o=new at(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(o),this._entities[e.id]=o,this._entitiesToFinalize.push(o),this.numEntities++,o}},{key:"preFinalize",value:function(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(var e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(var i=0,r=this._entitiesToFinalize.length;i<r;i++){this._entitiesToFinalize[i]._finalize()}for(var s=0,n=this._entitiesToFinalize.length;s<n;s++){this._entitiesToFinalize[s]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort((function(e,t){return e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0}));for(var o=0,a=this.layerList.length;o<a;o++){this.layerList[o].layerIndex=o}this.glRedraw(),this._layersFinalized=!0}},{key:"finalize",value:function(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}},{key:"stateSortCompare",value:function(e,t){}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}},{key:"_updateRenderFlagsVisibleLayers",value:function(){var e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(var t=0,i=this.layerList.length;t<i;t++){var r=this.layerList[t];this._getActiveSectionPlanesForLayer(r)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}},{key:"_createDummyEntityForUnusedMeshes",value:function(){var e=Object.keys(this._unusedMeshes);if(e.length>0){var t="".concat(this.id,"-").concat(re.createUUID());this.warn('Creating dummy SceneModelEntity "'.concat(t,'" for unused SceneMeshes: [').concat(e.join(","),"]")),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}},{key:"_getActiveSectionPlanesForLayer",value:function(e){var t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,r=i.length,s=e.layerIndex*r;if(r>0)for(var n=0;n<r;n++){i[n].active?(t.sectionPlanesActivePerLayer[s+n]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[s+n]=!1}return!0}},{key:"_updateRenderFlags",value:function(){if(0!==this.numVisibleLayerPortions&&this.numCulledLayerPortions!==this.numPortions){var e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){var t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0)this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0));if(this.numSelectedLayerPortions>0){var i=this.scene.selectedMaterial._state;i.fill&&(i.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){var r=this.scene.highlightMaterial._state;r.fill&&(r.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"drawColorOpaque",value:function(e,t){for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r];this.layerList[n].drawColorOpaque(i,e)}}},{key:"drawColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}},{key:"drawDepth",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}},{key:"drawNormals",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}},{key:"drawSilhouetteXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}},{key:"drawSilhouetteHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}},{key:"drawSilhouetteSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}},{key:"drawEdgesColorOpaque",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}},{key:"drawEdgesColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}},{key:"drawEdgesXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}},{key:"drawEdgesHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}},{key:"drawEdgesSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}},{key:"drawOcclusion",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}},{key:"drawShadow",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}},{key:"setPickMatrices",value:function(e,t){if(0!==this._numVisibleLayerPortions)for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r],o=this.layerList[n];o.setPickMatrices&&o.setPickMatrices(e,t)}}},{key:"drawPickMesh",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}},{key:"drawPickDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}},{key:"drawPickNormals",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}},{key:"drawSnapInit",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"drawSnap",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"destroy",value:function(){for(var e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();for(var t in this._vboBatchingLayers={},this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(t)&&this._vboInstancingLayers[t].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(var r=0,s=this.layerList.length;r<s;r++)this.layerList[r].destroy();this.layerList=[];for(var n=0,o=this._entityList.length;n<o;n++)this._entityList[n]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==$o&&0==--$o&&qo._clear(),f(B(i.prototype),"destroy",this).call(this)}}]),i}();function od(e,t,i){var r,s,n,o;if(t||i){var a=c(Rh({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}),3);r=a[0],s=a[1],n=a[2]}else r=e.positionsCompressed,s=e.indices,n=e.edgeIndices;i?o=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=e.positionsCompressed||[],s=Oh(e.indices||[],t),n=Vh(e.edgeIndices||[]);function o(e,t){if(e>t){var i=e;e=t,t=i}function r(i,r){return i!==e?e-i:r!==t?t-r:0}for(var s=0,o=(n.length>>1)-1;s<=o;){var a=o+s>>1,l=r(n[2*a],n[2*a+1]);if(l>0)s=a+1;else{if(!(l<0))return a;o=a-1}}return-s-1}var a=new Int32Array(n.length/2);a.fill(0);var l=r.length/3;if(l>8*(1<<t))return[e];var u=new Int32Array(l);u.fill(-1);var c=[];function A(){u.fill(-1);var e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:c.length};return c.push(e),e}for(var h=A(),d=0,p=s.length;d<p;d+=3){var f=0,v=s[d],g=s[d+1],m=s[d+2];if(-1===u[v]&&f++,-1===u[g]&&f++,-1===u[m]&&f++,f+h.numPositions>h.maxNumPositions&&(h=A()),h.bucketNumber>8)return[e];-1===u[v]&&(u[v]=h.numPositions++,h.positionsCompressed.push(r[3*v]),h.positionsCompressed.push(r[3*v+1]),h.positionsCompressed.push(r[3*v+2])),-1===u[g]&&(u[g]=h.numPositions++,h.positionsCompressed.push(r[3*g]),h.positionsCompressed.push(r[3*g+1]),h.positionsCompressed.push(r[3*g+2])),-1===u[m]&&(u[m]=h.numPositions++,h.positionsCompressed.push(r[3*m]),h.positionsCompressed.push(r[3*m+1]),h.positionsCompressed.push(r[3*m+2])),h.indices.push(u[v]),h.indices.push(u[g]),h.indices.push(u[m]);var _=void 0;(_=o(v,g))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(v,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(g,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]]))}var y=t/8*2,b=t/8,B=2*r.length+(s.length+n.length)*y,w=0;return r.length,c.forEach((function(e){w+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*b,e.positionsCompressed.length})),w>B?[e]:(i&&Hh(c,e),c)}({positionsCompressed:r,indices:s,edgeIndices:n},r.length/3>65536?16:8):o=[{positionsCompressed:r,indices:s,edgeIndices:n}];return o}var ad=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,e,s))._positions=s.positions||[],s.indices)r._indices=s.indices;else{r._indices=[];for(var n=0,o=r._positions.length/3-1;n<o;n+=2)r._indices.push(n),r._indices.push(n+1)}return r._sceneModel=new nd(b(r),{isModel:!1}),r._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:r._positions,indices:r._indices}),r._sceneModel.createEntity({meshIds:["linesMesh"],visible:s.visible,clippable:s.clippable,collidable:s.collidable}),r._sceneModel.finalize(),r.scene._lineSetCreated(b(r)),r}return C(i,[{key:"visible",get:function(){return this._sceneModel.visible},set:function(e){this._sceneModel.visible=e}},{key:"positions",get:function(){return this._positions}},{key:"indices",get:function(){return this._indices}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this.scene._lineSetDestroyed(this)}}]),i}(),ld=re.vec3(),ud=re.vec3(),cd=re.vec3(),Ad=re.vec3(),hd=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"BCFViewpoints",e,s)).originatingSystem=s.originatingSystem||"xeokit.io",r.authoringTool=s.authoringTool||"xeokit.io",r}return C(i,[{key:"getViewpoint",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=this.viewer.scene,r=i.camera,s=i.realWorldOffset,n=!0===t.reverseClippingPlanes,o={},a=re.normalizeVec3(re.subVec3(r.look,r.eye,re.vec3())),l=r.eye,u=r.up;r.yUp&&(a=fd(a),l=fd(l),u=fd(u));var A=dd(re.addVec3(l,s));"ortho"===r.projection?o.orthogonal_camera={camera_view_point:A,camera_direction:dd(a),camera_up_vector:dd(u),view_to_world_scale:r.ortho.scale}:o.perspective_camera={camera_view_point:A,camera_direction:dd(a),camera_up_vector:dd(u),field_of_view:r.perspective.fov};var h=i.sectionPlanes;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];if(!p.active)continue;var f=p.pos,v=void 0;v=n?re.negateVec3(p.dir,re.vec3()):p.dir,r.yUp&&(f=fd(f),v=fd(v)),re.addVec3(f,s),f=dd(f),v=dd(v),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:f,direction:v})}var g=i.lineSets;for(var m in g)if(g.hasOwnProperty(m)){var _=g[m];o.lines||(o.lines=[]);for(var y=_.positions,b=_.indices,B=0,w=b.length/2;B<w;B++){var P=b[2*B],x=b[2*B+1];o.lines.push({start_point:{x:y[3*P+0],y:y[3*P+1],z:y[3*P+2]},end_point:{x:y[3*x+0],y:y[3*x+1],z:y[3*x+2]}})}}var C=i.bitmaps;for(var M in C)if(C.hasOwnProperty(M)){var E=C[M],F=E.pos,k=E.normal,I=E.up;r.yUp&&(F=fd(F),k=fd(k),I=fd(I)),re.addVec3(F,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:E.type,bitmap_data:E.imageData,location:dd(F),normal:dd(k),up:dd(I),height:E.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!t.spacesVisible,space_boundaries_visible:!!t.spaceBoundariesVisible,openings_visible:!!t.openingsVisible,spaces_translucent:!!t.spaces_translucent,space_boundaries_translucent:!!t.space_boundaries_translucent,openings_translucent:!!t.openings_translucent}}};var D=new Set(i.opacityObjectIds),S=new Set(i.xrayedObjectIds),T=new Set(i.colorizedObjectIds),R=Object.values(i.objects).filter((function(e){return D.has(e.id)||T.has(e.id)||S.has(e.id)})).reduce((function(t,r){var s,n=gd(r.colorize);r.xrayed?(s=0===i.xrayMaterial.fillAlpha&&0!==i.xrayMaterial.edgeAlpha?.1:i.xrayMaterial.fillAlpha,n=(s=Math.round(255*s).toString(16).padStart(2,"0"))+n):D.has(r.id)&&(n=(s=Math.round(255*r.opacity).toString(16).padStart(2,"0"))+n),t[n]||(t[n]=[]);var o=r.id,a=r.originalSystemId,l={ifc_guid:a,originating_system:e.originatingSystem};return a!==o&&(l.authoring_tool_id=o),t[n].push(l),t}),{}),L=Object.entries(R).map((function(e){var t=c(e,2);return{color:t[0],components:t[1]}}));o.components.coloring=L;var U=i.objectIds,O=i.visibleObjects,N=i.visibleObjectIds,Q=U.filter((function(e){return!O[e]})),V=i.selectedObjectIds;return t.defaultInvisible||N.length<Q.length?(o.components.visibility.exceptions=this._createBCFComponents(N),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(Q),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(V),o.components.translucency=this._createBCFComponents(i.xrayedObjectIds),!1!==t.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}},{key:"_createBCFComponents",value:function(e){for(var t=this.viewer.scene,i=[],r=0,s=e.length;r<s;r++){var n=e[r],o=t.objects[n];if(o){var a={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==n&&(a.authoring_tool_id=n),i.push(a)}}return i}},{key:"setViewpoint",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(e){var r=this.viewer,s=r.scene,n=s.camera,o=!1!==i.rayCast,a=!1!==i.immediate,l=!1!==i.reset,u=s.realWorldOffset,c=!0===i.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){var t=pd(e.location,ld),i=pd(e.direction,ld);c&&re.negateVec3(i),re.subVec3(t,u),n.yUp&&(t=vd(t),i=vd(i)),new Gn(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){var A=[],h=[],d=0;e.lines.forEach((function(e){e.start_point&&e.end_point&&(A.push(e.start_point.x),A.push(e.start_point.y),A.push(e.start_point.z),A.push(e.end_point.x),A.push(e.end_point.y),A.push(e.end_point.z),h.push(d++),h.push(d++))})),new ad(s,{positions:A,indices:h,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){var t=e.bitmap_type||"jpg",i=e.bitmap_data,r=pd(e.location,ud),o=pd(e.normal,cd),a=pd(e.up,Ad),l=e.height||1;t&&i&&r&&o&&a&&(n.yUp&&(r=vd(r),o=vd(o),a=vd(a)),new So(s,{src:i,type:t,pos:r,normal:o,up:a,clippable:!1,collidable:!0,height:l}))})),l&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!1}))}))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!0}))})));var p=e.components.visibility.view_setup_hints;p&&(!1===p.spaces_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==p.spaces_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcSpace"),!0),p.space_boundaries_visible,!1===p.openings_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcOpening"),!0),p.space_boundaries_translucent,void 0!==p.openings_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.selected=!0}))}))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.xrayed=!0}))}))),e.components.coloring&&e.components.coloring.forEach((function(e){var r=e.color,s=0,n=!1;8===r.length&&((s=parseInt(r.substring(0,2),16)/256)<=1&&s>=.95&&(s=1),r=r.substring(2),n=!0);var o=[parseInt(r.substring(0,2),16)/256,parseInt(r.substring(2,4),16)/256,parseInt(r.substring(4,6),16)/256];e.components.map((function(e){return t._withBCFComponent(i,e,(function(e){e.colorize=o,n&&(e.opacity=s)}))}))}))}if(e.perspective_camera||e.orthogonal_camera){var f,v,g,m;if(e.perspective_camera?(f=pd(e.perspective_camera.camera_view_point,ld),v=pd(e.perspective_camera.camera_direction,ld),g=pd(e.perspective_camera.camera_up_vector,ld),n.perspective.fov=e.perspective_camera.field_of_view,m="perspective"):(f=pd(e.orthogonal_camera.camera_view_point,ld),v=pd(e.orthogonal_camera.camera_direction,ld),g=pd(e.orthogonal_camera.camera_up_vector,ld),n.ortho.scale=e.orthogonal_camera.view_to_world_scale,m="ortho"),re.subVec3(f,u),n.yUp&&(f=vd(f),v=vd(v),g=vd(g)),o){var _=s.pick({pickSurface:!0,origin:f,direction:v});v=_?_.worldPos:re.addVec3(f,v,ld)}else v=re.addVec3(f,v,ld);a?(n.eye=f,n.look=v,n.up=g,n.projection=m):r.cameraFlight.flyTo({eye:f,look:v,up:g,duration:i.duration,projection:m})}}}},{key:"_withBCFComponent",value:function(e,t,i){var r=this.viewer,s=r.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){var n=t.authoring_tool_id,o=s.objects[n];if(o)return void i(o);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[n])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}if(t.ifc_guid){var a=t.ifc_guid,l=s.objects[a];if(l)return void i(l);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[a])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(a),i);Object.keys(s.models).forEach((function(t){var n=re.globalizeObjectId(t,a),o=s.objects[n];o?i(o):e.updateCompositeObjects&&r.metaScene.metaObjects[n]&&s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}))}}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this)}}]),i}();function dd(e){return{x:e[0],y:e[1],z:e[2]}}function pd(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function fd(e){return new Float64Array([e[0],-e[2],e[1]])}function vd(e){return new Float64Array([e[0],e[2],-e[1]])}function gd(e){var t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0")}var md=re.vec3(),_d=re.vec3(),yd=re.vec3();re.vec4(),re.vec4(),re.vec4();var bd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=e.viewer.scene;(r=t.call(this,n,s)).plugin=e;var o=s.container;if(!o)throw"config missing: container";r._color=s.color||e.defaultColor;var a=function(e,t){var i=[],r=void 0!==e?Boolean(e):t;return{reg:function(e){return i.push(e)},get:function(){return r},set:function(e){r=void 0!==e?Boolean(e):t,i.forEach((function(e){return e(r)}))}}};r._visible=a(s.visible,e.defaultVisible),r._originVisible=a(s.originVisible,e.defaultOriginVisible),r._targetVisible=a(s.targetVisible,e.defaultTargetVisible),r._axisVisible=a(s.axisVisible,e.defaultAxisVisible),r._xAxisVisible=a(s.xAxisVisible,e.defaultAxisVisible),r._yAxisVisible=a(s.yAxisVisible,e.defaultAxisVisible),r._zAxisVisible=a(s.zAxisVisible,e.defaultAxisVisible),r._axisEnabled=a(!0,e.defaultAxisVisible),r._wireVisible=a(s.wireVisible,e.defaultWireVisible),r._xLabelEnabled=a(s.xLabelEnabled,e.defaultXLabelEnabled),r._yLabelEnabled=a(s.yLabelEnabled,e.defaultYLabelEnabled),r._zLabelEnabled=a(s.zLabelEnabled,e.defaultZLabelEnabled),r._lengthLabelEnabled=a(s.lengthLabelEnabled,e.defaultLengthLabelEnabled),r._labelsVisible=a(s.labelsVisible,e.defaultLabelsVisible),r._clickable=a(!1,!1),r._labelsOnWires=a(s.labelsOnWires,e.defaultLabelsOnWires),r._useRotationAdjustment=a(s.useRotationAdjustment,e.useRotationAdjustment),r._axesBasis=re.identityMat4(),r.approximate=s.approximate;var l=n.canvas.canvas,u=s.onMouseOver?function(e){s.onMouseOver(e,b(r)),l.dispatchEvent(new MouseEvent("mouseover",e))}:null,c=s.onMouseLeave?function(e){s.onMouseLeave(e,b(r)),l.dispatchEvent(new MouseEvent("mouseleave",e))}:null,A=s.onContextMenu?function(e){s.onContextMenu(e,b(r))}:null,h=function(e){return l.dispatchEvent(new MouseEvent("mousedown",e))},d=function(e){return l.dispatchEvent(new MouseEvent("mouseup",e))},p=function(e){return l.dispatchEvent(new MouseEvent("mousemove",e))},f=function(e){return l.dispatchEvent(new WheelEvent("wheel",e))};r._cleanups=[],["units","scale"].forEach((function(e){var t=n.metrics.on("units",(function(){return r._update()}));r._cleanups.push((function(){return n.metrics.off(t)}))})),r._drawables=[];var v=function(e,t){var i=function(){return e.setVisible(t.every((function(e){return e.get()})))};t.forEach((function(e){return e.reg(i)})),r._drawables.push(e),r._cleanups.push((function(){return e.destroy()}))},g=function(t,i,r){var s=new Ft(n,o,{color:t,thickness:i,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return v(s,r),{setEnds:function(e,t){return s.setEnds(e,t)},setColor:function(e){return s.setColor(e)}}};r._lengthWire=g(r._color,2,[r._visible,r._wireVisible]),r._xAxisWire=g("red",1,[r._visible,r._axisEnabled,r._axisVisible,r._xAxisVisible]),r._yAxisWire=g("green",1,[r._visible,r._axisEnabled,r._axisVisible,r._yAxisVisible]),r._zAxisWire=g("blue",1,[r._visible,r._axisEnabled,r._axisVisible,r._zAxisVisible]);var m=function(t,i,r){var s=new Et(n,o,{fillColor:t,zIndex:void 0!==e.zIndex?e.zIndex+i:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return v(s,r),{setFillColor:function(e){return s.setFillColor(e)},setPosOnWire:function(e,t,i,r){return s.setPosOnWire(e,t,i,r)},setPosBetween:function(e,t,i){return s.setPosBetween(e,t,i)},setText:function(e){return s.setText(e.replace(/ /g,"&nbsp;"))}}};r._lengthLabel=m(r._color,4,[r._visible,r._wireVisible,r._labelsVisible,r._clickable,r._axisEnabled,r._lengthLabelEnabled]),r._xAxisLabel=m("red",3,[r._visible,r._axisEnabled,r._axisVisible,r._xAxisVisible,r._labelsVisible,r._clickable,r._xLabelEnabled]),r._yAxisLabel=m("green",3,[r._visible,r._axisEnabled,r._axisVisible,r._yAxisVisible,r._labelsVisible,r._clickable,r._yLabelEnabled]),r._zAxisLabel=m("blue",3,[r._visible,r._axisEnabled,r._axisVisible,r._zAxisVisible,r._labelsVisible,r._clickable,r._zLabelEnabled]);var _=function(t,i){var s=new Mt(n,t,o,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return s.on("worldPos",(function(){return r._update()})),v(s,i),s};return r._originDot=_(s.origin,[r._visible,r._originVisible]),r._targetDot=_(s.target,[r._visible,r._targetVisible]),r._update(),r}return C(i,[{key:"_update",value:function(){var e=this;if(this._targetDot){var t=this._originDot.worldPos,i=this._targetDot.worldPos,r=this._axesBasis,s=re.subVec3(i,t,md),n=re.transformVec3(r,s,s),o=this._useRotationAdjustment.get()&&Math.abs(s[1])>0,a=function(r,s){var n=e.plugin.viewer.scene.metrics,a=n.scale,l=n.unitsInfo[n.units].abbrev,u=function(r,s,n,o){e._labelsOnWires.get()?r.setPosOnWire(s,n,0,e.plugin.labelMinAxisLength):r.setPosOnWire(t,i,35*o,0)},c=function(t){return(e._approximate?" ~ ":" = ")+t.toFixed(2)+l};e._xAxisWire.setEnds(t,r),u(e._xAxisLabel,t,r,1),e._xAxisLabel.setText("X"+c(re.distVec3(t,r)*a)),e._yAxisWire.setEnds(r,s),u(e._yAxisLabel,r,s,2),e._yAxisLabel.setText("Y"+c(re.distVec3(r,s)*a)),e._zAxisWire.setEnds(s,i),u(e._zAxisLabel,s,i,3),e._zAxisLabel.setText((o?"":"Z")+c(re.distVec3(s,i)*a)),e._lengthWire.setEnds(t,i),u(e._lengthLabel,t,i,0),e._length=re.distVec3(t,i)*a,e._lengthLabel.setText(c(e._length))};o?(yd[0]=t[0],yd[1]=i[1],yd[2]=t[2],a(t,yd)):(_d[0]=t[0]+r[0]*n[0],_d[1]=t[1]+r[4]*n[0],_d[2]=t[2]+r[8]*n[0],yd[0]=_d[0]+r[1]*n[1],yd[1]=_d[1]+r[5]*n[1],yd[2]=_d[2]+r[9]*n[1],a(_d,yd))}}},{key:"axesBasis",get:function(){return this._axesBasis},set:function(e){this._axesBasis.set(e),this._update()}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}},{key:"origin",get:function(){return this._originDot}},{key:"target",get:function(){return this._targetDot}},{key:"length",get:function(){return this._length}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}},{key:"visible",get:function(){return this._visible.get()},set:function(e){this._visible.set(e)}},{key:"originVisible",get:function(){return this._originVisible.get()},set:function(e){this._originVisible.set(e)}},{key:"targetVisible",get:function(){return this._targetVisible.get()},set:function(e){this._targetVisible.set(e)}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment.get()},set:function(e){this._useRotationAdjustment.set(e),this._update()}},{key:"axisEnabled",get:function(){return this._axisEnabled.get()},set:function(e){this._axisEnabled.set(e)}},{key:"axisVisible",get:function(){return this._axisVisible.get()},set:function(e){this._axisVisible.set(e)}},{key:"xAxisVisible",get:function(){return this._xAxisVisible.get()},set:function(e){this._xAxisVisible.set(e)}},{key:"yAxisVisible",get:function(){return this._yAxisVisible.get()},set:function(e){this._yAxisVisible.set(e)}},{key:"zAxisVisible",get:function(){return this._zAxisVisible.get()},set:function(e){this._zAxisVisible.set(e)}},{key:"wireVisible",get:function(){return this._wireVisible.get()},set:function(e){this._wireVisible.set(e)}},{key:"labelsVisible",get:function(){return this._labelsVisible.get()},set:function(e){this._labelsVisible.set(e)}},{key:"xLabelEnabled",get:function(){return this._xLabelEnabled.get()},set:function(e){this._xLabelEnabled.set(e)}},{key:"yLabelEnabled",get:function(){return this._yLabelEnabled.get()},set:function(e){this._yLabelEnabled.set(e)}},{key:"zLabelEnabled",get:function(){return this._zLabelEnabled.get()},set:function(e){this._zLabelEnabled.set(e)}},{key:"lengthLabelEnabled",get:function(){return this._lengthLabelEnabled.get()},set:function(e){this._lengthLabelEnabled.set(e)}},{key:"labelsOnWires",get:function(){return this._labelsOnWires.get()},set:function(e){this._labelsOnWires.set(e),this._update()}},{key:"setHighlighted",value:function(e){this._drawables.forEach((function(t){return t.setHighlighted(e)}))}},{key:"clickable",get:function(){return this._clickable.get()},set:function(e){var t=this;this._clickable.set(!!e),this._drawables.forEach((function(e){return e.setClickable(t._clickable.get())}))}},{key:"destroy",value:function(){this._cleanups.forEach((function(e){return e()})),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Bd=function(e){g(i,Ce);var t=_(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),wd=function(e){g(i,Bd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);var t=this.distanceMeasurementsPlugin,i=this.scene,r=t.viewer.cameraControl,s=i.canvas.canvas;i.input;var n,o,a=!1,l=re.vec3(),u=re.vec2(),c=null;this._mouseState=0;var A=re.vec2(),h=function(t){var i=t.snappedCanvasPos||t.canvasPos;if(a=!0,l.set(t.worldPos),u.set(t.canvasPos),0===e._mouseState){if(e._canvasToPagePos)e._canvasToPagePos(s,i,A),e._markerDiv.style.left="".concat(A[0]-5,"px"),e._markerDiv.style.top="".concat(A[1]-5,"px");else{var r=re.vec2(i);wt(s,e._markerDiv.parentNode,r),e._markerDiv.style.left="".concat(r[0]-5,"px"),e._markerDiv.style.top="".concat(r[1]-5,"px")}e._markerDiv.style.background="pink",t.snappedToVertex||t.snappedToEdge?(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,e.pointerLens.snapped=!0),e._markerDiv.style.background="greenyellow",e._markerDiv.style.border="2px solid green"):(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.canvasPos,e.pointerLens.snapped=!1),e._markerDiv.style.background="pink",e._markerDiv.style.border="2px solid red"),c=t.entity}else e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px";s.style.cursor="pointer",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=e._currentDistanceMeasurementInitState.wireVisible,e._currentDistanceMeasurement.axisVisible=e._currentDistanceMeasurementInitState.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurement.xAxisVisible=e._currentDistanceMeasurementInitState.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurement.yAxisVisible=e._currentDistanceMeasurementInitState.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurement.zAxisVisible=e._currentDistanceMeasurementInitState.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurement.targetVisible=e._currentDistanceMeasurementInitState.targetVisible,e._currentDistanceMeasurement.target.worldPos=l.slice(),e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&h(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||h(t)})),s.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(n=e.clientX,o=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=function(i){1===i.which&&(i.clientX>n+20||i.clientX<n-20||i.clientY>o+20||i.clientY<o-20||(e._currentDistanceMeasurement?a?(e._currentDistanceMeasurement.target.entity=c,c=null,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):(e._currentDistanceMeasurement.destroy(),e.distanceMeasurementsPlugin.fire("measurementCancel",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,c=null):a&&(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:l.slice(),entity:c},target:{worldPos:l.slice(),entity:c},approximate:!0}),e._currentDistanceMeasurementInitState.axisVisible=e._currentDistanceMeasurement.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurementInitState.xAxisVisible=e._currentDistanceMeasurement.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurementInitState.yAxisVisible=e._currentDistanceMeasurement.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurementInitState.zAxisVisible=e._currentDistanceMeasurement.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurementInitState.wireVisible=e._currentDistanceMeasurement.wireVisible,e._currentDistanceMeasurementInitState.targetVisible=e._currentDistanceMeasurement.targetVisible,e._currentDistanceMeasurement.clickable=!1,e._currentDistanceMeasurement.origin.entity=c,c=null,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement))))});var d=function(t){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos),a=!1,e._markerDiv.style.left="-100px",e._markerDiv.style.top="-100px",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&d(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||d(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Pd=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"DistanceMeasurements",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.labelMinAxisLength=s.labelMinAxisLength,r.defaultVisible=!1!==s.defaultVisible,r.defaultOriginVisible=!1!==s.defaultOriginVisible,r.defaultTargetVisible=!1!==s.defaultTargetVisible,r.defaultWireVisible=!1!==s.defaultWireVisible,r.defaultXLabelEnabled=!1!==s.defaultXLabelEnabled,r.defaultYLabelEnabled=!1!==s.defaultYLabelEnabled,r.defaultZLabelEnabled=!1!==s.defaultZLabelEnabled,r.defaultLengthLabelEnabled=!1!==s.defaultLengthLabelEnabled,r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.defaultAxisVisible=!1!==s.defaultAxisVisible,r.defaultXAxisVisible=!1!==s.defaultXAxisVisible,r.defaultYAxisVisible=!1!==s.defaultYAxisVisible,r.defaultZAxisVisible=!1!==s.defaultZAxisVisible,r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r.defaultLabelsOnWires=!1!==s.defaultLabelsOnWires,r.useRotationAdjustment=void 0!==s.useRotationAdjustment&&!1!==s.useRotationAdjustment,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),distanceMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"pointerLens",get:function(){return this._pointerLens}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new wd(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"labelMinAxisLength",get:function(){return this._labelMinAxisLength},set:function(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment},set:function(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.target,s=new bd(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},target:{entity:r.entity,worldPos:r.worldPos},visible:t.visible,wireVisible:t.wireVisible,axisVisible:!1!==t.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==t.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==t.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==t.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==t.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==t.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==t.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==t.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==t.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:t.originVisible,targetVisible:t.targetVisible,color:t.color,labelsOnWires:!1!==t.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(function(){delete e._measurements[s.id]})),this.fire("measurementCreated",s),s}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].labelShown=e}}},{key:"setAxisVisible",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=c(i[t],2);r[0];r[1].axisVisible=e}this.defaultAxisVisible=e}},{key:"getAxisVisible",value:function(){return this.defaultAxisVisible}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),xd=function(e){g(i,Bd);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),c=null,A=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0};r.addEventListener("touchstart",this._onCanvasTouchStart=function(u){var d=u.touches.length;if(1===d){var p=u.touches[0],f=r.getBoundingClientRect(),v=p.clientX-f.left,g=p.clientY-f.top;switch(a.set([v,g]),l.set([v,g]),e._touchState){case 0:if(1!==d&&null!==o)return o&&(clearTimeout(o),o=null),e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),h(),void(e._touchState=0);var m=i.pick({canvasPos:l,snapping:e._snapping,snapToEdge:e._snapping});if(m&&m.snapped)s.set(m.worldPos),e.pointerCircle.start(m.snappedCanvasPos);else{var _=i.pick({canvasPos:l,pickSurface:!0});if(!_||!_.worldPos)return;s.set(_.worldPos),e.pointerCircle.start(_.canvasPos)}o=setTimeout((function(){1!==d||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=m.canvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=s:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:s,entity:m.entity},target:{worldPos:s,entity:m.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement),e._touchState=2,A())}),e._longTouchTimeoutMs),e._touchState=1,c=p.identifier;break;case 3:if(1!==d&&null!==o)return clearTimeout(o),void(o=null);1===d&&(o=setTimeout((function(){if(o=null,!(1!==d||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(t.snappedCanvasPos),s.set(t.worldPos),e._currentDistanceMeasurement.target.worldPos=t.worldPos,e._currentDistanceMeasurement.target.entity=t.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(r.canvasPos),s.set(r.worldPos),e._currentDistanceMeasurement.target.worldPos=r.worldPos,e._currentDistanceMeasurement.target.entity=r.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,A()}}),e._longTouchTimeoutMs),e._touchState=4),c=p.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(n){e.pointerCircle.stop();var a=n.touches.length;if(1===a&&1===n.changedTouches.length){var u,A,h=n.touches[0],d=r.getBoundingClientRect(),p=h.clientX-d.left,f=h.clientY-d.top;if(h.identifier===c)switch(l.set([p,f]),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(u=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&u.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=u.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(u.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=u.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:u.worldPos,entity:u.entity},target:{worldPos:u.worldPos,entity:u.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(A=i.pick({canvasPos:l,pickSurface:!0}))&&A.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=A.canvasPos,e.pointerLens.snapped=!1),s.set(A.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=A.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:A.worldPos,entity:A.entity},target:{worldPos:A.worldPos,entity:A.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==a&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(u=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&u.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=u.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement.target.worldPos=u.worldPos,e._currentDistanceMeasurement.target.entity=u.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0):(A=i.pick({canvasPos:l,pickSurface:!0}))&&A.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=A.canvasPos,e.pointerLens.snapped=!1),e._currentDistanceMeasurement.target.worldPos=A.worldPos,e._currentDistanceMeasurement.target.entity=A.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0),e._touchState=5}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(s){e.pointerCircle.stop();var A=s.changedTouches.length;if(1===A){var d=s.changedTouches[0],p=r.getBoundingClientRect(),f=d.clientX-p.left,v=d.clientY-p.top;if(d.identifier===c)switch(o&&(clearTimeout(o),o=null),u.set([f,v]),e._touchState){case 1:if(1!==A||f>a[0]+n||f<a[0]-n||v>a[1]+n||v<a[1]-n)return void(e._touchState=0);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:g.worldPos,entity:g.entity},target:{worldPos:g.worldPos,entity:g.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1,e._touchState=3,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(e._currentDistanceMeasurement&&e._currentDistanceMeasurement.destroy(),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==A||f>a[0]+n||f<a[0]-n||v>a[1]+n||v<a[1]-n)return void(e._touchState=3);var m=i.pick({canvasPos:l,pickSurface:!0});m&&m.worldPos?(e._currentDistanceMeasurement.target.worldPos=m.worldPos,e._currentDistanceMeasurement.target.entity=m.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e._currentDistanceMeasurement.xAxisVisible=!0,e._currentDistanceMeasurement.yAxisVisible=!0,e._currentDistanceMeasurement.zAxisVisible=!0,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0,h();break;case 5:console.log("long touch"),e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement&&e._currentDistanceMeasurement.targetVisible?(e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,e._touchState=0):(e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0),h()}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Cd=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;P(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=It({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),Md=function(e){g(i,Cd);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),Ed=function(e){g(i,Cd);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Fd=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,"FastNav",e))._hideColorTexture=!1!==s.hideColorTexture,r._hidePBR=!1!==s.hidePBR,r._hideSAO=!1!==s.hideSAO,r._hideEdges=!1!==s.hideEdges,r._hideTransparentObjects=!!s.hideTransparentObjects,r._scaleCanvasResolution=!!s.scaleCanvasResolution,r._defaultScaleCanvasResolutionFactor=s.defaultScaleCanvasResolutionFactor,r._scaleCanvasResolutionFactor=s.scaleCanvasResolutionFactor||.6,r._delayBeforeRestore=!1!==s.delayBeforeRestore,r._delayBeforeRestoreSeconds=s.delayBeforeRestoreSeconds||.5;var n=1e3*r._delayBeforeRestoreSeconds,o=!1,a=function(){n=1e3*r._delayBeforeRestoreSeconds,o||(e.scene._renderer.setColorTextureEnabled(!r._hideColorTexture),e.scene._renderer.setPBREnabled(!r._hidePBR),e.scene._renderer.setSAOEnabled(!r._hideSAO),e.scene._renderer.setTransparentEnabled(!r._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!r._hideEdges),r._originalCanvasResolutionScale=e.scene.canvas.resolutionScale,r._scaleCanvasResolution?e.scene.canvas.resolutionScale=r._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,o=!0)},l=function(){e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor||r._originalCanvasResolutionScale||1,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),o=!1};r._onCanvasBoundary=e.scene.canvas.on("boundary",a),r._onCameraMatrix=e.scene.camera.on("matrix",a),r._onSceneTick=e.scene.on("tick",(function(e){o&&(n-=e.deltaTime,(!r._delayBeforeRestore||n<=0)&&l())}));var u=!1;return r._onSceneMouseDown=e.scene.input.on("mousedown",(function(){u=!0})),r._onSceneMouseUp=e.scene.input.on("mouseup",(function(){u=!1})),r._onSceneMouseMove=e.scene.input.on("mousemove",(function(){u&&a()})),r}return C(i,[{key:"hideColorTexture",get:function(){return this._hideColorTexture},set:function(e){this._hideColorTexture=e}},{key:"hidePBR",get:function(){return this._hidePBR},set:function(e){this._hidePBR=e}},{key:"hideSAO",get:function(){return this._hideSAO},set:function(e){this._hideSAO=e}},{key:"hideEdges",get:function(){return this._hideEdges},set:function(e){this._hideEdges=e}},{key:"hideTransparentObjects",get:function(){return this._hideTransparentObjects},set:function(e){this._hideTransparentObjects=!1!==e}},{key:"scaleCanvasResolution",get:function(){return this._scaleCanvasResolution},set:function(e){this._scaleCanvasResolution=e}},{key:"defaultScaleCanvasResolutionFactor",get:function(){return this._defaultScaleCanvasResolutionFactor},set:function(e){this._defaultScaleCanvasResolutionFactor=e}},{key:"scaleCanvasResolutionFactor",get:function(){return this._scaleCanvasResolutionFactor},set:function(e){this._scaleCanvasResolutionFactor=e||.6}},{key:"delayBeforeRestore",get:function(){return this._delayBeforeRestore},set:function(e){this._delayBeforeRestore=e}},{key:"delayBeforeRestoreSeconds",get:function(){return this._delayBeforeRestoreSeconds},set:function(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),kd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLTF",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLB",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getArrayBuffer",value:function(e,t,i,r){!function(e,t,i,r){var s=function(){};i=i||s,r=r||s;var n=/^data:(.*?)(;base64)?,(.*)$/,o=t.match(n);if(o){var a=!!o[2],l=o[3];l=window.decodeURIComponent(l),a&&(l=window.atob(l));try{for(var u=new ArrayBuffer(l.length),c=new Uint8Array(u),A=0;A<l.length;A++)c[A]=l.charCodeAt(A);we.scheduleTask((function(){i(u)}))}catch(e){we.scheduleTask((function(){r(e)}))}}else{var h=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),d=h+t,p=new XMLHttpRequest;p.open("GET",d,!0),p.responseType="arraybuffer",p.onreadystatechange=function(){4===p.readyState&&(200===p.status?i(p.response):r("loadArrayBuffer error : "+p.response))},p.send(null)}}(this._cacheBusterURL(e),t,(function(e){i(e)}),(function(e){r(e)}))}}]),e}();var Id=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=t.messages,this.locale=t.locale}return C(e,[{key:"messages",set:function(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}},{key:"loadMessages",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};for(var t in e)this._messages[t]=e[t];this.messages=this._messages}},{key:"clearMessages",value:function(){this.messages={}}},{key:"locales",get:function(){return this._locales}},{key:"locale",get:function(){return this._locale},set:function(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}},{key:"translate",value:function(e,t){var i=this._messages[this._locale];if(!i)return null;var r=Dd(e,i);return r?t?Sd(r,t):r:null}},{key:"translatePlurals",value:function(e,t,i){var r=this._messages[this._locale];if(!r)return null;var s=Dd(e,r);return(s=0===(t=parseInt(""+t,10))?s.zero:t>1?s.other:s.one)?(s=Sd(s,[t]),i&&(s=Sd(s,i)),s):null}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);var r=this._eventSubs[e];if(r)for(var s in r){if(r.hasOwnProperty(s))r[s].callback(t)}}},{key:"on",value:function(e,t){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new G),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});var i=this._eventSubs[e];i||(i={},this._eventSubs[e]=i);var r=this._eventSubIDMap.addItem();i[r]={callback:t},this._eventSubEvents[r]=e;var s=this._events[e];return void 0!==s&&t(s),r}},{key:"off",value:function(e){if(null!=e&&this._eventSubEvents){var t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];var i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}}]),e}();function Dd(e,t){if(t[e])return t[e];for(var i=e.split("."),r=t,s=0,n=i.length;r&&s<n;s++){r=r[i[s]]}return r}function Sd(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}var Td=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).t=s.t,r}return C(i,[{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"tangent",get:function(){return this.getTangent(this._t)}},{key:"length",get:function(){var e=this._getLengths();return e[e.length-1]}},{key:"getTangent",value:function(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,r=e+t;i<0&&(i=0),r>1&&(r=1);var s=this.getPoint(i),n=this.getPoint(r),o=re.subVec3(n,s,[]);return re.normalizeVec3(o,[])}},{key:"getPointAt",value:function(e){var t=this.getUToTMapping(e);return this.getPoint(t)}},{key:"getPoints",value:function(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}},{key:"_getLengths",value:function(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,r=[],s=this.getPoint(0),n=0;for(r.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),n+=re.lenVec3(re.subVec3(t,s,[])),r.push(n),s=t;return this.cacheArcLengths=r,r}},{key:"_updateArcLengths",value:function(){this.needsUpdate=!0,this._getLengths()}},{key:"getUToTMapping",value:function(e,t){var i,r=this._getLengths(),s=0,n=r.length;i=t||e*r[n-1];for(var o,a=0,l=n-1;a<=l;)if((o=r[s=Math.floor(a+(l-a)/2)]-i)<0)a=s+1;else{if(!(o>0)){l=s;break}l=s-1}if(r[s=l]===i)return s/(n-1);var u=r[s];return(s+(i-u)/(r[s+1]-u))/(n-1)}}]),i}(),Rd=function(e){g(i,Td);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).points=s.points,r.t=s.t,r}return C(i,[{key:"points",get:function(){return this._points},set:function(e){this._points=e||[]}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,r=Math.floor(i),s=i-r,n=t[0===r?r:r-1],o=t[r],a=t[r>t.length-2?t.length-1:r+1],l=t[r>t.length-3?t.length-1:r+2],u=re.vec3();return u[0]=re.catmullRomInterpolate(n[0],o[0],a[0],l[0],s),u[1]=re.catmullRomInterpolate(n[1],o[1],a[1],l[1],s),u[2]=re.catmullRomInterpolate(n[2],o[2],a[2],l[2],s),u}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}},{key:"getJSON",value:function(){return{points:points,t:this._t}}}]),i}(),Ld=re.vec3(),Ud=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._frames=[],r._eyeCurve=new Rd(b(r)),r._lookCurve=new Rd(b(r)),r._upCurve=new Rd(b(r)),s.frames&&(r.addFrames(s.frames),r.smoothFrameTimes(1)),r}return C(i,[{key:"type",get:function(){return"CameraPath"}},{key:"frames",get:function(){return this._frames}},{key:"eyeCurve",get:function(){return this._eyeCurve}},{key:"lookCurve",get:function(){return this._lookCurve}},{key:"upCurve",get:function(){return this._upCurve}},{key:"saveFrame",value:function(e){var t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}},{key:"addFrame",value:function(e,t,i,r){var s={t:e,eye:t.slice(0),look:i.slice(0),up:r.slice(0)};this._frames.push(s),this._eyeCurve.points.push(s.eye),this._lookCurve.points.push(s.look),this._upCurve.points.push(s.up)}},{key:"addFrames",value:function(e){for(var t,i=0,r=e.length;i<r;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}},{key:"loadFrame",value:function(e){var t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,Ld),t.look=this._lookCurve.getPoint(e,Ld),t.up=this._upCurve.getPoint(e,Ld)}},{key:"sampleFrame",value:function(e,t,i,r){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,r)}},{key:"smoothFrameTimes",value:function(e){if(0!==this._frames.length){var t=re.vec3(),i=0;this._frames[0].t=0;for(var r=[],s=1,n=this._frames.length;s<n;s++){var o=re.lenVec3(re.subVec3(this._frames[s].eye,this._frames[s-1].eye,t));r[s]=o,i+=o}for(var a=1,l=this._frames.length;a<l;a++){var u=r[a]/i*e;this._frames[a].t=this._frames[a-1].t+u}}}},{key:"clearFrames",value:function(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}]),i}(),Od=re.vec3(),Nd=re.vec3(),Qd=re.vec3(),Vd=re.vec3(),Hd=re.vec3(),jd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._look1=re.vec3(),r._eye1=re.vec3(),r._up1=re.vec3(),r._look2=re.vec3(),r._eye2=re.vec3(),r._up2=re.vec3(),r._orthoScale1=1,r._orthoScale2=1,r._flying=!1,r._flyEyeLookUp=!1,r._flyingEye=!1,r._flyingLook=!1,r._callback=null,r._callbackScope=null,r._time1=null,r._time2=null,r.easing=!1!==s.easing,r.duration=s.duration,r.fit=s.fit,r.fitFOV=s.fitFOV,r.trail=s.trail,r}return C(i,[{key:"type",get:function(){return"CameraFlightAnimation"}},{key:"flyTo",value:function(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;var r,s,n,o,a,l=this.scene.camera,u=!!e.projection&&e.projection!==l.projection;if(this._eye1[0]=l.eye[0],this._eye1[1]=l.eye[1],this._eye1[2]=l.eye[2],this._look1[0]=l.look[0],this._look1[1]=l.look[1],this._look1[2]=l.look[2],this._up1[0]=l.up[0],this._up1[1]=l.up[1],this._up1[2]=l.up[2],this._orthoScale1=l.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)r=e.aabb;else if(6===e.length)r=e;else if(e.eye&&e.look||e.up)s=e.eye,n=e.look,o=e.up;else if(e.eye)s=e.eye;else if(e.look)n=e.look;else{var c=e;if((he.isNumeric(c)||he.isString(c))&&(a=c,!(c=this.scene.components[a])))return this.error("Component not found: "+he.inQuotes(a)),void(t&&(i?t.call(i):t()));u||(r=c.aabb||this.scene.aabb)}var A=e.poi;if(r){if(r[3]<r[0]||r[4]<r[1]||r[5]<r[2])return;if(r[3]===r[0]&&r[4]===r[1]&&r[5]===r[2])return;r=r.slice();var h=re.getAABB3Center(r);this._look2=A||h;var d=re.subVec3(this._eye1,this._look1,Od),p=re.normalizeVec3(d),f=A?re.getAABB3DiagPoint(r,A):re.getAABB3Diag(r),v=e.fitFOV||this._fitFOV,g=Math.abs(f/Math.tan(v*re.DEGTORAD));this._orthoScale2=1.1*f,this._eye2[0]=this._look2[0]+p[0]*g,this._eye2[1]=this._look2[1]+p[1]*g,this._eye2[2]=this._look2[2]+p[2]*g,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(s||n||o)&&(this._flyingEyeLookUp=!!s&&!!n&&!!o,this._flyingEye=!!s&&!n,this._flyingLook=!!n&&!s,s&&(this._eye2[0]=s[0],this._eye2[1]=s[1],this._eye2[2]=s[2]),n&&(this._look2[0]=n[0],this._look2[1]=n[1],this._look2[2]=n[2]),o&&(this._up2[0]=o[0],this._up2[1]=o[1],this._up2[2]=o[2]));u?("ortho"===e.projection&&"ortho"!==l.projection&&(this._projection2="ortho",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.ortho.matrix.slice(),l.projection="customProjection"),"perspective"===e.projection&&"perspective"!==l.projection&&(this._projection2="perspective",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.perspective.matrix.slice(),l.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,we.scheduleTask(this._update,this)}},{key:"jumpTo",value:function(e){this._jumpTo(e)}},{key:"_jumpTo",value:function(e){this._flying&&this.stop();var t,i,r,s,n,o=this.scene.camera;if(e.aabb)t=e.aabb;else if(6===e.length)t=e;else if(e.eye||e.look||e.up)r=e.eye,s=e.look,n=e.up;else{var a=e;if((he.isNumeric(a)||he.isString(a))&&(i=a,!(a=this.scene.components[i])))return void this.error("Component not found: "+he.inQuotes(i));t=a.aabb||this.scene.aabb}var l=e.poi;if(t){if(t[3]<=t[0]||t[4]<=t[1]||t[5]<=t[2])return;var u,c=l?re.getAABB3DiagPoint(t,l):re.getAABB3Diag(t);s=l||re.getAABB3Center(t,s),this._trail?re.subVec3(o.look,s,Hd):re.subVec3(o.eye,o.look,Hd),re.normalizeVec3(Hd),u=(void 0!==e.fit?e.fit:this._fit)?Math.abs(c/Math.tan((e.fitFOV||this._fitFOV)*re.DEGTORAD)):re.lenVec3(re.subVec3(o.eye,o.look,Od)),re.mulVec3Scalar(Hd,u),o.eye=re.addVec3(s,Hd,Od),o.look=s,this.scene.camera.ortho.scale=1.1*c}else(r||s||n)&&(r&&(o.eye=r),s&&(o.look=s),n&&(o.up=n));e.projection&&(o.projection=e.projection)}},{key:"_update",value:function(){if(this._flying){var e=(Date.now()-this._time1)/(this._time2-this._time1),t=e>=1;e>1&&(e=1);var r=this.easing?i._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(re.subVec3(s.eye,s.look,Hd),s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,Qd),s.look=re.subVec3(Qd,Hd,Nd)):this._flyingLook&&(s.look=re.lerpVec3(r,0,1,this._look1,this._look2,Nd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,Vd)):this._flyingEyeLookUp&&(s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,Qd),s.look=re.lerpVec3(r,0,1,this._look1,this._look2,Nd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,Vd)),this._projection2){var n="ortho"===this._projection2?i._easeOutExpo(e,0,1,1):i._easeInCubic(e,0,1,1);s.customProjection.matrix=re.lerpMat4(n,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();we.scheduleTask(this._update,this)}}},{key:"stop",value:function(){if(this._flying){this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);var e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}}},{key:"cancel",value:function(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}},{key:"duration",get:function(){return this._duration/1e3},set:function(e){this._duration=e?1e3*e:500,this.stop()}},{key:"fit",get:function(){return this._fit},set:function(e){this._fit=!1!==e}},{key:"fitFOV",get:function(){return this._fitFOV},set:function(e){this._fitFOV=e||45}},{key:"trail",get:function(){return this._trail},set:function(e){this._trail=!!e}},{key:"destroy",value:function(){this.stop(),f(B(i.prototype),"destroy",this).call(this)}}],[{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"_easeInCubic",value:function(e,t,i,r){return i*(e/=r)*e*e+t}},{key:"_easeOutExpo",value:function(e,t,i,r){return i*(1-Math.pow(2,-10*e/r))+t}}]),i}(),Gd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._cameraFlightAnimation=new jd(b(r)),r._t=0,r.state=i.SCRUBBING,r._playingFromT=0,r._playingToT=0,r._playingRate=s.playingRate||1,r._playingDir=1,r._lastTime=null,r.cameraPath=s.cameraPath,r._tick=r.scene.on("tick",r._updateT,b(r)),r}return C(i,[{key:"type",get:function(){return"CameraPathAnimation"}},{key:"_updateT",value:function(){var e=this._cameraPath;if(e){var t,r,s=performance.now(),n=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==n)switch(this.state){case i.SCRUBBING:return;case i.PLAYING:if(this._t+=this._playingRate*n,0===(t=this._cameraPath.frames.length)||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=i.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case i.PLAYING_TO:r=this._t+this._playingRate*n*this._playingDir,(this._playingDir<0&&r<=this._playingToT||this._playingDir>0&&r>=this._playingToT)&&(r=this._playingToT,this.state=i.SCRUBBING,this.fire("stopped")),this._t=r,e.loadFrame(this._t)}}}},{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"cameraPath",get:function(){return this._cameraPath},set:function(e){this._cameraPath=e}},{key:"rate",get:function(){return this._playingRate},set:function(e){this._playingRate=e}},{key:"play",value:function(){this._cameraPath&&(this._lastTime=null,this.state=i.PLAYING)}},{key:"playToT",value:function(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=i.PLAYING_TO)}},{key:"playToFrame",value:function(e){var t=this._cameraPath;if(t){var i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}}},{key:"flyToFrame",value:function(e,t){var r=this._cameraPath;if(r){var s=r.frames[e];s?(this.state=i.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}}},{key:"scrubToT",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=i.SCRUBBING))}},{key:"scrubToFrame",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(t.frames[e]?(t.loadFrame(this._t),this.state=i.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)))}},{key:"stop",value:function(){this.state=i.SCRUBBING,this.fire("stopped")}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this.scene.off(this._tick)}}]),i}();Gd.STOPPED=0,Gd.SCRUBBING=1,Gd.PLAYING=2,Gd.PLAYING_TO=3;var zd=re.vec3(),Kd=re.vec3();re.vec3();var Wd=re.vec3([0,-1,0]),Xd=re.vec4([0,0,0,1]),Jd=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new go(b(r)),r._plane=new Un(b(r),{geometry:new hr(b(r),Eo({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new gr(b(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0}),clippable:s.clippable}),r._grid=new Un(b(r),{geometry:new hr(b(r),Mo({size:1,divisions:10})),material:new gr(b(r),{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:s.clippable}),r._node=new eo(b(r),{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[r._plane,r._grid]}),r._gridVisible=!1,r.visible=!0,r.gridVisible=s.gridVisible,r.position=s.position,r.rotation=s.rotation,r.dir=s.dir,r.size=s.size,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"visible",get:function(){return this._plane.visible},set:function(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}},{key:"gridVisible",get:function(){return this._gridVisible},set:function(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"position",get:function(){return this._pos},set:function(e){this._pos.set(e||[0,0,0]),Ke(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}},{key:"rotation",get:function(){return this._node.rotation},set:function(e){this._node.rotation=e}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"dir",get:function(){return this._dir},set:function(e){if(this._dir.set(e||[0,0,-1]),e){var t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];re.subVec3(t,this.position,zd);var r=-re.dotVec3(i,zd);re.normalizeVec3(i),re.mulVec3Scalar(i,r,Kd),re.vec3PairToQuaternion(Wd,e,Xd),this._node.quaternion=Xd}}},{key:"collidable",get:function(){return this._node.collidable},set:function(e){this._node.collidable=!1!==e}},{key:"clippable",get:function(){return this._node.clippable},set:function(e){this._node.clippable=!1!==e}},{key:"pickable",get:function(){return this._node.pickable},set:function(e){this._node.pickable=!1!==e}},{key:"opacity",get:function(){return this._node.opacity},set:function(e){this._node.opacity=e}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this)}},{key:"_updatePlaneSizeFromImage",value:function(){var e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){var r=i/t;this._node.scale=[e,1,e*r]}else{var s=t/i;this._node.scale=[e*s,1,e]}}}]),i}(),Yd=function(e){g(i,qi);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=b(r=t.call(this,e,s));r._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var o=r.scene.camera,a=r.scene.canvas;return r._onCameraViewMatrix=o.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=o.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=a.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new ki({type:"point",pos:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(n._shadowViewMatrixDirty){n._shadowViewMatrix||(n._shadowViewMatrix=re.identityMat4());var e=n._state.pos,t=o.look,i=o.up;re.lookAtMat4v(e,t,i,n._shadowViewMatrix),n._shadowViewMatrixDirty=!1}return n._shadowViewMatrix},getShadowProjMatrix:function(){if(n._shadowProjMatrixDirty){n._shadowProjMatrix||(n._shadowProjMatrix=re.identityMat4());var e=n.scene.canvas.canvas;re.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,n._shadowProjMatrix),n._shadowProjMatrixDirty=!1}return n._shadowProjMatrix},getShadowRenderBuf:function(){return n._shadowRenderBuf||(n._shadowRenderBuf=new wi(n.scene.canvas.canvas,n.scene.canvas.gl,{size:[1024,1024]})),n._shadowRenderBuf}}),r.pos=s.pos,r.color=s.color,r.intensity=s.intensity,r.constantAttenuation=s.constantAttenuation,r.linearAttenuation=s.linearAttenuation,r.quadraticAttenuation=s.quadraticAttenuation,r.castsShadow=s.castsShadow,r.scene._lightCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"PointLight"}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"constantAttenuation",get:function(){return this._state.attenuation[0]},set:function(e){this._state.attenuation[0]=e||0,this.glRedraw()}},{key:"linearAttenuation",get:function(){return this._state.attenuation[1]},set:function(e){this._state.attenuation[1]=e||0,this.glRedraw()}},{key:"quadraticAttenuation",get:function(){return this._state.attenuation[2]},set:function(e){this._state.attenuation[2]=e||0,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),f(B(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}();function Zd(e){return 0==(e&e-1)}function qd(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var $d=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=(r=t.call(this,e,s)).scene.canvas.gl;return r._state=new ki({texture:new co({gl:n,target:n.TEXTURE_CUBE_MAP}),flipY:r._checkFlipY(s.minFilter),encoding:r._checkEncoding(s.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),r._src=s.src,r._images=[],r._loadSrc(s.src),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"CubeTexture"}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}},{key:"_loadSrc",value:function(e){var t=this,i=this.scene.canvas.gl;this._images=[];for(var r=!1,s=0,n=function(n){var o,a,l=new Image;l.onload=(o=l,a=n,function(){if(!r&&(o=function(e){if(!Zd(e.width)||!Zd(e.height)){var t=document.createElement("canvas");t.width=qd(e.width),t.height=qd(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}(o),t._images[a]=o,6==++s)){var e=t._state.texture;e||(e=new co({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}),l.onerror=function(){r=!0},l.src=e[n]},o=0;o<e.length;o++)n(o)}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),ae.memory.textures--,this._state.destroy()}}]),i}(),ep=function(e){g(i,$d);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).scene._lightsState.addReflectionMap(r._state),r.scene._reflectionMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"ReflectionMap"}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this.scene._reflectionMapDestroyed(this)}}]),i}(),tp=function(e){g(i,$d);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).scene._lightMapCreated(b(r)),r}return C(i,[{key:"type",get:function(){return"LightMap"}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this.scene._lightMapDestroyed(this)}}]),i}(),ip=function(e){g(i,ct);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,{entity:s.entity,occludable:s.occludable,worldPos:s.worldPos}))._occluded=!1,r._visible=!0,r._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new go(b(r),{src:s.src}),r._geometry=new hr(b(r),{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),r._mesh=new Un(b(r),{geometry:r._geometry,material:new gr(b(r),{ambient:[.9,.3,.9],shininess:30,diffuseMap:r._texture,backfaces:!0}),scale:[1,1,1],position:s.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),r.visible=!0,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,r.size=s.size,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"_setVisible",value:function(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,f(B(i.prototype),"_setVisible",this).call(this,e)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"collidable",get:function(){return this._mesh.collidable},set:function(e){this._mesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._mesh.clippable},set:function(e){this._mesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._mesh.pickable},set:function(e){this._mesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._mesh.opacity},set:function(e){this._mesh.opacity=e}},{key:"_updatePlaneSizeFromImage",value:function(){var e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],r=i/t;this._geometry.positions=t>i?[e,e*r,0,-e,e*r,0,-e,-e*r,0,e,-e*r,0]:[e/r,e,0,-e/r,e,0,-e/r,-e,0,e/r,-e,0]}}]),i}(),rp=function(){function e(t){P(this,e),this._eye=re.vec3(),this._look=re.vec3(),this._up=re.vec3(),this._projection={},t&&this.saveCamera(t)}return C(e,[{key:"saveCamera",value:function(e){var t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}},{key:"restoreCamera",value:function(e,t){var i=e.camera,r=this._projection;function s(){switch(r.type){case"perspective":i.perspective.fov=r.fov,i.perspective.fovAxis=r.fovAxis,i.perspective.near=r.near,i.perspective.far=r.far;break;case"ortho":i.ortho.scale=r.scale,i.ortho.near=r.near,i.ortho.far=r.far;break;case"frustum":i.frustum.left=r.left,i.frustum.right=r.right,i.frustum.top=r.top,i.frustum.bottom=r.bottom,i.frustum.near=r.near,i.frustum.far=r.far;break;case"custom":i.customProjection.matrix=r.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:r.scale,projection:r.projection},(function(){s(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,s(),i.projection=r.projection)}}]),e}(),sp=re.vec3(),np=function(){function e(t){if(P(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,t){var i=t.metaScene.scene;this.saveObjects(i,t)}}return C(e,[{key:"saveObjects",value:function(e,t,i){this.numObjects=0,this._mask=i?he.apply(i,{}):null;for(var r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,c=!i||i.colorize,A=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];if(v){if(r&&(this.objectsVisible[p]=v.visible),s&&(this.objectsEdges[p]=v.edges),n&&(this.objectsXrayed[p]=v.xrayed),o&&(this.objectsHighlighted[p]=v.highlighted),a&&(this.objectsSelected[p]=v.selected),l&&(this.objectsClippable[p]=v.clippable),u&&(this.objectsPickable[p]=v.pickable),c){var g=v.colorize;this.objectsColorize[3*p+0]=g[0],this.objectsColorize[3*p+1]=g[1],this.objectsColorize[3*p+2]=g[2]}A&&(this.objectsOpacity[p]=v.opacity),this.numObjects++}}}},{key:"restoreObjects",value:function(e,t){for(var i=this._mask,r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,c=!i||i.colorize,A=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];v&&(r&&(v.visible=this.objectsVisible[p]),s&&(v.edges=this.objectsEdges[p]),n&&(v.xrayed=this.objectsXrayed[p]),o&&(v.highlighted=this.objectsHighlighted[p]),a&&(v.selected=this.objectsSelected[p]),l&&(v.clippable=this.objectsClippable[p]),u&&(v.pickable=this.objectsPickable[p]),c&&(sp[0]=this.objectsColorize[3*p+0],sp[1]=this.objectsColorize[3*p+1],sp[2]=this.objectsColorize[3*p+2],v.colorize=sp),A&&(v.opacity=this.objectsOpacity[p]))}}}]),e}(),op=re.vec3(),ap=function(){function e(){P(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}return C(e,[{key:"saveObjects",value:function(e,t){this.numObjects=0,this._mask=t?he.apply(t,{}):null;var i=e.objects,r=!t||t.visible,s=!t||t.edges,n=!t||t.xrayed,o=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,u=!t||t.pickable,c=!t||t.colorize,A=!t||t.opacity;for(var h in i)if(i.hasOwnProperty(h)){var d=i[h],p=this.numObjects;if(r&&(this.objectsVisible[p]=d.visible),s&&(this.objectsEdges[p]=d.edges),n&&(this.objectsXrayed[p]=d.xrayed),o&&(this.objectsHighlighted[p]=d.highlighted),a&&(this.objectsSelected[p]=d.selected),l&&(this.objectsClippable[p]=d.clippable),u&&(this.objectsPickable[p]=d.pickable),c){var f=d.colorize;f?(this.objectsColorize[3*p+0]=f[0],this.objectsColorize[3*p+1]=f[1],this.objectsColorize[3*p+2]=f[2],this.objectsHasColorize[p]=!0):this.objectsHasColorize[p]=!1}A&&(this.objectsOpacity[p]=d.opacity),this.numObjects++}}},{key:"restoreObjects",value:function(e){var t=this._mask,i=!t||t.visible,r=!t||t.edges,s=!t||t.xrayed,n=!t||t.highlighted,o=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,u=!t||t.colorize,c=!t||t.opacity,A=0,h=e.objects;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];i&&(p.visible=this.objectsVisible[A]),r&&(p.edges=this.objectsEdges[A]),s&&(p.xrayed=this.objectsXrayed[A]),n&&(p.highlighted=this.objectsHighlighted[A]),o&&(p.selected=this.objectsSelected[A]),a&&(p.clippable=this.objectsClippable[A]),l&&(p.pickable=this.objectsPickable[A]),u&&(this.objectsHasColorize[A]?(op[0]=this.objectsColorize[3*A+0],op[1]=this.objectsColorize[3*A+1],op[2]=this.objectsColorize[3*A+2],p.colorize=op):p.colorize=null),c&&(p.opacity=this.objectsOpacity[A]),A++}}}]),e}(),lp=function(e){g(i,Td);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.v3=s.v3,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"v3",get:function(){return this._v3},set:function(e){this.fire("v3",this._v3=e||re.vec3([0,0,0]))}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=re.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=re.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}]),i}(),up=function(e){g(i,Td);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._cachedLengths=[],r._dirty=!0,r._curves=[],r._t=0,r._dirtySubs=[],r._destroyedSubs=[],r.curves=s.curves||[],r.t=s.t,r}return C(i,[{key:"addCurve",value:function(e){this._curves.push(e),this._dirty=!0}},{key:"curves",get:function(){return this._curves},set:function(e){var t,i,r;for(e=e||[],i=0,r=this._curves.length;i<r;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var s=this;function n(){s._dirty=!0}function o(){var e=this.id;for(i=0,r=s._curves.length;i<r;i++)if(s._curves[i].id===e)return s._curves=s._curves.slice(i,i+1),s._dirtySubs=s._dirtySubs.slice(i,i+1),s._destroyedSubs=s._destroyedSubs.slice(i,i+1),void(s._dirty=!0)}for(i=0,r=e.length;i<r;i++){if(t=e[i],he.isNumeric(t)||he.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",n)),this._destroyedSubs.push(t.once("destroyed",o))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"length",get:function(){var e=this._getCurveLengths();return e[e.length-1]}},{key:"getPoint",value:function(e){for(var t,i=e*this.length,r=this._getCurveLengths(),s=0;s<r.length;){if(r[s]>=i){var n=1-(r[s]-i)/(t=this._curves[s]).length;return t.getPointAt(n)}s++}return null}},{key:"_getCurveLengths",value:function(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,r=this._curves.length;for(e=0;e<r;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}},{key:"_getJSON",value:function(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}},{key:"destroy",value:function(){var e,t,r;for(f(B(i.prototype),"destroy",this).call(this),e=0,t=this._curves.length;e<t;e++)(r=this._curves[e]).off(this._dirtySubs[e]),r.off(this._destroyedSubs[e])}}]),i}(),cp=function(e){g(i,Td);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=re.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=re.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}]),i}(),Ap=function(e){g(i,nd);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),t.call(this,e,r)}return C(i)}(),hp=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._skyboxMesh=new Un(b(r),{geometry:new hr(b(r),{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new gr(b(r),{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new go(b(r),{src:s.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:s.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),r.size=s.size,r.active=s.active,r}return C(i,[{key:"size",get:function(){return this._size},set:function(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}},{key:"active",get:function(){return this._skyboxMesh.visible},set:function(e){this._skyboxMesh.visible=e}}]),i}(),dp=function(){function e(){P(this,e)}return C(e,[{key:"transcode",value:function(e,t){}},{key:"destroy",value:function(){}}]),e}(),pp=re.vec4(),fp=re.vec4(),vp=re.vec3(),gp=re.vec3(),mp=re.vec3(),_p=re.vec4(),yp=re.vec4(),bp=re.vec4(),Bp=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"dollyToCanvasPos",value:function(e,t,i){var r=!1,s=this._scene.camera;if(e){var n=re.subVec3(e,s.eye,vp);r=re.lenVec3(n)<i}if("perspective"===s.projection){s.ortho.scale=s.ortho.scale-i;var o=this._unproject(t,_p),a=re.subVec3(o,s.eye,bp),l=re.mulVec3Scalar(re.normalizeVec3(a),-i,[]);if(s.eye=[s.eye[0]-l[0],s.eye[1]-l[1],s.eye[2]-l[2]],s.look=[s.look[0]-l[0],s.look[1]-l[1],s.look[2]-l[2]],e){var u=re.subVec3(e,s.eye,vp),c=re.lenVec3(u),A=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,gp)),c);s.look=[s.eye[0]+A[0],s.eye[1]+A[1],s.eye[2]+A[2]]}}else if("ortho"===s.projection){var h=this._unproject(t,_p);s.ortho.scale=s.ortho.scale-i,s.ortho._update();var d=this._unproject(t,yp),p=re.subVec3(d,h,bp),f=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,vp)),-i,gp),v=re.addVec3(p,f,mp);s.eye=[s.eye[0]-v[0],s.eye[1]-v[1],s.eye[2]-v[2]],s.look=[s.look[0]-v[0],s.look[1]-v[1],s.look[2]-v[2]]}return r}},{key:"_unproject",value:function(e,t){var i=this._scene.camera,r=i.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n);return i.project.unproject(e,a,pp,fp,t),t}},{key:"destroy",value:function(){}}]),e}(),wp=re.vec3(),Pp=re.vec3(),xp=re.vec3(),Cp=re.vec4(),Mp=re.vec4(),Ep=re.vec4(),Fp=function(){function e(t,i){var r=this;P(this,e),this._scene=t,this._configs=i,this._pivotWorldPos=re.vec3(),this._cameraOffset=re.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=re.vec3(),this._rtcPos=re.vec3(),this._pivotViewPos=re.vec4(),this._pivotProjPos=re.vec4(),this._pivotCanvasPos=re.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(function(){r._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(function(){r._cameraDirty=!0})),this._onTick=this._scene.on("tick",(function(){r.updatePivotElement(),r.updatePivotSphere()}))}return C(e,[{key:"createPivotSphere",value:function(){var e=this.getPivotPos(),t=re.vec3();re.decomposeMat4(re.inverseMat4(this._scene.viewer.camera.viewMatrix,re.mat4()),t,re.vec4(),re.vec3());var i=re.distVec3(t,e),r=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(r/=this._scene.camera.ortho.scale/2),Ke(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new bo(this._scene,Qn({radius:r})),this._pivotSphere=new Un(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}},{key:"destroyPivotSphere",value:function(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}},{key:"updatePivotElement",value:function(){var e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){re.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,re.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);var i=t.boundary,r=i[2],s=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*r/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*s/2);var n=t._lastBoundingClientRect;if(!n||t._canvasSizeChanged){var o=t.canvas;n=t._lastBoundingClientRect=o.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(n.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(n.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}},{key:"updatePivotSphere",value:function(){this._pivoting&&this._pivotSphere&&(Ke(this.getPivotPos(),this._rtcCenter,this._rtcPos),re.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}},{key:"setPivotElement",value:function(e){this._pivotElement=e}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);var t=e.color||[1,0,0];this._pivotSphereMaterial=new gr(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}},{key:"disablePivotSphere",value:function(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}},{key:"startPivot",value:function(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;var e=this._scene.camera,t=re.lookAtMat4v(e.eye,e.look,e.worldUp);re.transformPoint3(t,this.getPivotPos(),this._cameraOffset);var i=this.getPivotPos();this._cameraOffset[2]+=re.distVec3(e.eye,i),t=re.inverseMat4(t);var r=re.transformVec3(t,this._cameraOffset),s=re.vec3();if(re.subVec3(e.eye,i,s),re.addVec3(s,r),e.zUp){var n=s[1];s[1]=s[2],s[2]=n}this._radius=re.lenVec3(s),this._polar=Math.acos(s[1]/this._radius),this._azimuth=Math.atan2(s[0],s[2]),this._pivoting=!0}},{key:"_cameraLookingDownwards",value:function(){var e=this._scene.camera,t=re.normalizeVec3(re.subVec3(e.look,e.eye,wp)),i=re.cross3Vec3(t,e.worldUp,Pp);return re.sqLenVec3(i)<=1e-4}},{key:"getPivoting",value:function(){return this._pivoting}},{key:"setPivotPos",value:function(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}},{key:"setCanvasPivotPos",value:function(e){var t=this._scene.camera,i=Math.abs(re.distVec3(this._scene.center,t.eye)),r=t.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n),l=Cp;t.project.unproject(e,a,Mp,Ep,l);var u=re.normalizeVec3(re.subVec3(l,t.eye,wp)),c=re.addVec3(t.eye,re.mulVec3Scalar(u,i,Pp),xp);this.setPivotPos(c)}},{key:"getPivotPos",value:function(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}},{key:"continuePivot",value:function(e,t){if(this._pivoting&&(0!==e||0!==t)){var i=this._scene.camera,r=-e,s=-t;1===i.worldUp[2]&&(r=-r),this._azimuth+=.01*-r,this._polar+=.01*s,this._polar=re.clamp(this._polar,.001,Math.PI-.001);var n=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){var o=n[1];n[1]=n[2],n[2]=o}var a=re.lenVec3(re.subVec3(i.look,i.eye,re.vec3())),l=this.getPivotPos();re.addVec3(n,l);var u=re.lookAtMat4v(n,l,i.worldUp);u=re.inverseMat4(u);var c=re.transformVec3(u,this._cameraOffset);u[12]-=c[0],u[13]-=c[1],u[14]-=c[2];var A=[u[8],u[9],u[10]];i.eye=[u[12],u[13],u[14]],re.subVec3(i.eye,re.mulVec3Scalar(A,a),i.look),i.up=[u[4],u[5],u[6]],this.showPivot()}}},{key:"showPivot",value:function(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}},{key:"hidePivot",value:function(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}},{key:"endPivot",value:function(){this._pivoting=!1}},{key:"destroy",value:function(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}]),e}(),kp=function(){function e(t,i){P(this,e),this._scene=t.scene,this._cameraControl=t,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=i,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=re.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}return C(e,[{key:"update",value:function(){if(this._configs.pointerEnabled&&(this.schedulePickEntity||this.schedulePickSurface)){var e="".concat(~~this.pickCursorPos[0],"-").concat(~~this.pickCursorPos[1],"-").concat(this.scheduleSnapOrPick,"-").concat(this.schedulePickSurface,"-").concat(this.schedulePickEntity);if(this._lastHash!==e){this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;var t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){var i=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});i&&(i.snappedToEdge||i.snappedToVertex)?(this.snapPickResult=i,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){var r=this.pickResult.canvasPos;if(r[0]===this.pickCursorPos[0]&&r[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){var s=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(s[0]===this.pickCursorPos[0]&&s[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}}}},{key:"fireEvents",value:function(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){var e=new ti;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){var t=this.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=t)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}]),e}(),Ip=re.vec2(),Dp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o,a,l,u=i.pickController,c=i.cameraControl,A=0,h=0,d=0,p=0,f=!1,v=re.vec3(),g=!0,m=this._scene.canvas.canvas,_=[];function y(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];b(),e&&B()}function b(){A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],d=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1]}function B(){u.pickCursorPos=s.pointerCanvasPos,u.schedulePickSurface=!0,u.update(),u.picked&&u.pickedSurface&&u.pickResult&&u.pickResult.worldPos?(f=!0,v.set(u.pickResult.worldPos)):f=!1}document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;_[i]=!0}}),document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;_[i]=!1}}),document.addEventListener("visibilitychange",this._onVisibilityChange=function(){_.splice(0)}),window.addEventListener("blur",this._onBlur=function(){_.splice(0)}),m.addEventListener("mousedown",this._mouseDownHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:_[t.input.KEY_SHIFT]||r.planView?(o=!0,_[t.input.MOUSE_LEFT_BUTTON]=!0,y()):(o=!0,_[t.input.MOUSE_LEFT_BUTTON]=!0,y(!1));break;case 2:a=!0,_[t.input.MOUSE_MIDDLE_BUTTON]=!0,y();break;case 3:l=!0,_[t.input.MOUSE_RIGHT_BUTTON]=!0,r.panRightClick&&y()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(o||a||l)){var i=t.canvas.boundary,u=i[2],d=i[3],p=s.pointerCanvasPos[0],g=s.pointerCanvasPos[1],m=r.planView||c._isKeyDownForAction(c.MOUSE_PAN,_),y=c._isKeyDownForAction(c.MOUSE_ROTATE,_),b=document.pointerLockElement?e.movementX:p-A,B=document.pointerLockElement?e.movementY:g-h;if(m){var w=t.camera;if("perspective"===w.projection){var P=Math.abs(f?re.lenVec3(re.subVec3(v,t.camera.eye,[])):t.camera.eyeLookDist)*Math.tan(w.perspective.fov/2*Math.PI/180);n.panDeltaX+=1.5*b*P/d,n.panDeltaY+=1.5*B*P/d}else n.panDeltaX+=.5*w.ortho.scale*(b/d),n.panDeltaY+=.5*w.ortho.scale*(B/d)}else y&&(r.planView||(r.firstPerson?(n.rotateDeltaY-=b/u*r.dragRotationRate/2,n.rotateDeltaX+=B/d*(r.dragRotationRate/4)):(n.rotateDeltaY-=b/u*(1.5*r.dragRotationRate),n.rotateDeltaX+=B/d*(1.5*r.dragRotationRate))));A=p,h=g}}),m.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){r.active&&r.pointerEnabled&&s.mouseover&&(g=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:case 2:case 3:o=!1,a=!1,l=!1,_[t.input.MOUSE_LEFT_BUTTON]=!1,_[t.input.MOUSE_MIDDLE_BUTTON]=!1,_[t.input.MOUSE_RIGHT_BUTTON]=!1}}),m.addEventListener("mouseup",this._mouseUpHandler=function(e){if(r.active&&r.pointerEnabled){if(3===e.which){!function(e,t){if(e){for(var i=e.target,r=0,s=0,n=0,o=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,n+=i.scrollLeft,o+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+n-r,t[1]=e.pageY+o-s}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Ip);var t=Ip[0],s=Ip[1];Math.abs(t-d)<3&&Math.abs(s-p)<3&&i.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Ip,event:e},!0)}m.style.removeProperty("cursor")}}),m.addEventListener("mouseenter",this._mouseEnterHandler=function(){r.active&&r.pointerEnabled});var w=1/60,x=null;m.addEventListener("wheel",this._mouseWheelHandler=function(e){if(r.active&&r.pointerEnabled&&r.zoomOnMouseWheel&&c._isKeyDownForAction(c.MOUSE_DOLLY,_)){var t=performance.now()/1e3,i=null!==x?t-x:0;x=t,i>.05&&(i=.05),i<w&&(i=w);var o=Math.max(-1,Math.min(1,40*-e.deltaY));if(0!==o){var a=o/Math.abs(o);n.dollyDelta+=-a*i*r.mouseWheelDollyRate,g&&(s.followPointerDirty=!0,g=!1)}}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}]),e}(),Sp=re.vec3(),Tp=re.vec3(),Rp=re.vec3(),Lp=re.vec3(),Up=re.vec3(),Op={eye:re.vec3(),look:re.vec3(),up:re.vec3()},Np=function(){function e(t,i,r,s){P(this,e),this._scene=t;var n=i.cameraControl,o=t.camera;this._onSceneKeyDown=t.input.on("keydown",(function(){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var e=n._isKeyDownForAction(n.AXIS_VIEW_RIGHT),a=n._isKeyDownForAction(n.AXIS_VIEW_BACK),l=n._isKeyDownForAction(n.AXIS_VIEW_LEFT),u=n._isKeyDownForAction(n.AXIS_VIEW_FRONT),c=n._isKeyDownForAction(n.AXIS_VIEW_TOP),A=n._isKeyDownForAction(n.AXIS_VIEW_BOTTOM);if(e||a||l||u||c||A){var h=t.aabb,d=re.getAABB3Diag(h);re.getAABB3Center(h,Sp);var p=Math.abs(d/Math.tan(i.cameraFlight.fitFOV*re.DEGTORAD)),f=1.1*d;Op.orthoScale=f,e?(Op.eye.set(re.addVec3(Sp,re.mulVec3Scalar(o.worldRight,p,Tp),Up)),Op.look.set(Sp),Op.up.set(o.worldUp)):a?(Op.eye.set(re.addVec3(Sp,re.mulVec3Scalar(o.worldForward,p,Tp),Up)),Op.look.set(Sp),Op.up.set(o.worldUp)):l?(Op.eye.set(re.addVec3(Sp,re.mulVec3Scalar(o.worldRight,-p,Tp),Up)),Op.look.set(Sp),Op.up.set(o.worldUp)):u?(Op.eye.set(re.addVec3(Sp,re.mulVec3Scalar(o.worldForward,-p,Tp),Up)),Op.look.set(Sp),Op.up.set(o.worldUp)):c?(Op.eye.set(re.addVec3(Sp,re.mulVec3Scalar(o.worldUp,p,Tp),Up)),Op.look.set(Sp),Op.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,1,Rp),Lp))):A&&(Op.eye.set(re.addVec3(Sp,re.mulVec3Scalar(o.worldUp,-p,Tp),Up)),Op.look.set(Sp),Op.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,-1,Rp)))),!r.firstPerson&&r.followPointer&&i.pivotController.setPivotPos(Sp),i.cameraFlight.duration>0?i.cameraFlight.flyTo(Op,(function(){i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot()})):(i.cameraFlight.jumpTo(Op),i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot())}}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.input.off(this._onSceneKeyDown)}}]),e}(),Qp=function(){function e(t,i,r,s,n){var o=this;P(this,e),this._scene=t;var a=i.pickController,l=i.pivotController,u=i.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;var c=!1,A=!1,h=this._scene.canvas.canvas,d=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e&&e.entity?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})},p=t.tickify(this._canvasMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&!c&&!A){if(u.hasSubs("rayMove")){var i=re.vec3(),n=re.vec3();re.canvasPosToWorldRay(t.canvas.canvas,t.camera.viewMatrix,t.camera.projMatrix,t.camera.projection,s.pointerCanvasPos,i,n),u.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:i,direction:n,canvasPos:s.pointerCanvasPos}},!0)}var l=u.hasSubs("hover"),h=u.hasSubs("hoverEnter"),d=u.hasSubs("hoverOut"),p=u.hasSubs("hoverOff"),f=u.hasSubs("hoverSurface"),v=u.hasSubs("hoverSnapOrSurface");if(l||h||d||p||f||v)if(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=f,a.scheduleSnapOrPick=v,a.update(),a.pickResult){if(a.pickResult.entity){var g=a.pickResult.entity.id;o._lastPickedEntityId!==g&&(void 0!==o._lastPickedEntityId&&u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),u.fire("hoverEnter",a.pickResult,!0),o._lastPickedEntityId=g)}u.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&u.fire("hoverSurface",a.pickResult,!0)}else void 0!==o._lastPickedEntityId&&(u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),o._lastPickedEntityId=void 0),u.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}});h.addEventListener("mousemove",p),h.addEventListener("mousedown",this._canvasMouseDownHandler=function(e){if(1===e.which&&(c=!0),3===e.which&&(A=!0),1===e.which&&r.active&&r.pointerEnabled&&(s.mouseDownClientX=e.clientX,s.mouseDownClientY=e.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!r.firstPerson&&r.followPointer&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===e.which))){var i=a.pickResult;i&&i.worldPos?(l.setPivotPos(i.worldPos),l.startPivot(),o._lastClickedWorldPos=i.worldPos.slice()):(r.smartPivot?l.setCanvasPivotPos(s.pointerCanvasPos):o._lastClickedWorldPos?l.setPivotPos(o._lastClickedWorldPos):l.setPivotPos(t.camera.look),l.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){1===e.which&&(c=!1),3===e.which&&(A=!1),l.getPivoting()&&l.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=function(e){if(r.active&&r.pointerEnabled&&(1===e.which&&(l.hidePivot(),!(Math.abs(e.clientX-s.mouseDownClientX)>3||Math.abs(e.clientY-s.mouseDownClientY)>3)))){var n=u.hasSubs("picked"),c=u.hasSubs("pickedNothing"),A=u.hasSubs("pickedSurface"),h=u.hasSubs("doublePicked"),p=u.hasSubs("doublePickedSurface"),f=u.hasSubs("doublePickedNothing");if(!(r.doublePickFlyTo||h||p||f))return(n||c||A)&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(u.fire("picked",a.pickResult,!0),a.pickedSurface&&u.fire("pickedSurface",a.pickResult,!0)):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(o._clicks=0);if(o._clicks++,1===o._clicks){a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo,a.schedulePickSurface=A,a.update();var v=a.pickResult,g=a.pickedSurface;o._timeout=setTimeout((function(){v?(u.fire("picked",v,!0),g&&(u.fire("pickedSurface",v,!0),!r.firstPerson&&r.followPointer&&(i.pivotController.setPivotPos(v.worldPos),i.pivotController.startPivot()&&i.pivotController.showPivot()))):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),o._clicks=0}),r.doubleClickTimeFrame)}else{if(null!==o._timeout&&(window.clearTimeout(o._timeout),o._timeout=null),a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo||h||p,a.schedulePickSurface=a.schedulePickEntity&&p,a.update(),a.pickResult){if(u.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&u.fire("doublePickedSurface",a.pickResult,!0),r.doublePickFlyTo&&(d(a.pickResult),!r.firstPerson&&r.followPointer)){var m=a.pickResult.entity.aabb,_=re.getAABB3Center(m);i.pivotController.setPivotPos(_),i.pivotController.startPivot()&&i.pivotController.showPivot()}}else if(u.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),r.doublePickFlyTo&&(d(),!r.firstPerson&&r.followPointer)){var y=t.aabb,b=re.getAABB3Center(y);i.pivotController.setPivotPos(b),i.pivotController.startPivot()&&i.pivotController.showPivot()}o._clicks=0}}},!1)}return C(e,[{key:"reset",value:function(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}]),e}(),Vp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o=t.input,a=[];t.canvas.canvas;var l=!0;this._onSceneMouseMove=o.on("mousemove",(function(){l=!0})),this._onSceneKeyDown=o.on("keydown",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(r.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(a[e]=!0))})),this._onSceneKeyUp=o.on("keyup",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(a[e]=!1,i.pivotController.getPivoting()&&i.pivotController.endPivot())})),document.addEventListener("visibilitychange",this._onVisibilityChange=function(){a.splice(0)}),window.addEventListener("blur",this._onBlur=function(){a.splice(0)}),this._onTick=t.on("tick",(function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var u=i.cameraControl,c=e.deltaTime/1e3;if(!r.planView){var A=u._isKeyDownForAction(u.ROTATE_Y_POS,a),h=u._isKeyDownForAction(u.ROTATE_Y_NEG,a),d=u._isKeyDownForAction(u.ROTATE_X_POS,a),p=u._isKeyDownForAction(u.ROTATE_X_NEG,a),f=c*r.keyboardRotationRate;(A||h||d||p)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),A?n.rotateDeltaY+=f:h&&(n.rotateDeltaY-=f),d?n.rotateDeltaX+=f:p&&(n.rotateDeltaX-=f),!r.firstPerson&&r.followPointer&&i.pivotController.startPivot())}if(!a[o.KEY_CTRL]&&!a[o.KEY_ALT]){var v=u._isKeyDownForAction(u.DOLLY_BACKWARDS,a),g=u._isKeyDownForAction(u.DOLLY_FORWARDS,a);if(v||g){var m=c*r.keyboardDollyRate;!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),g?n.dollyDelta-=m:v&&(n.dollyDelta+=m),l&&(s.followPointerDirty=!0,l=!1)}}var _=u._isKeyDownForAction(u.PAN_FORWARDS,a),y=u._isKeyDownForAction(u.PAN_BACKWARDS,a),b=u._isKeyDownForAction(u.PAN_LEFT,a),B=u._isKeyDownForAction(u.PAN_RIGHT,a),w=u._isKeyDownForAction(u.PAN_UP,a),P=u._isKeyDownForAction(u.PAN_DOWN,a),x=(a[o.KEY_ALT]?.3:1)*c*r.keyboardPanRate;(_||y||b||B||w||P)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),P?n.panDeltaY+=x:w&&(n.panDeltaY+=-x),B?n.panDeltaX+=-x:b&&(n.panDeltaX+=x),y?n.panDeltaZ+=x:_&&(n.panDeltaZ+=-x))}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),this._scene.input.off(this._onSceneKeyUp)}}]),e}(),Hp=re.vec3(),jp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o=t.camera,a=i.pickController,l=i.pivotController,u=i.panController,c=i.cameraControl,A=1,h=1,d=null;this._onTick=t.on("tick",(function(){if(r.active&&r.pointerEnabled){var e="default";if(Math.abs(n.dollyDelta)<.001&&(n.dollyDelta=0),Math.abs(n.rotateDeltaX)<.001&&(n.rotateDeltaX=0),Math.abs(n.rotateDeltaY)<.001&&(n.rotateDeltaY=0),0===n.rotateDeltaX&&0===n.rotateDeltaY||(n.dollyDelta=0),r.followPointer){if(--A<=0&&(A=1,0!==n.dollyDelta)){if(0===n.rotateDeltaY&&0===n.rotateDeltaX&&r.followPointer&&s.followPointerDirty&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.pickResult&&a.pickResult.worldPos?d=a.pickResult.worldPos:(h=1,d=null),s.followPointerDirty=!1),d){var i=Math.abs(re.lenVec3(re.subVec3(d,t.camera.eye,Hp)));h=i/r.dollyProximityThreshold}h<r.dollyMinSpeed&&(h=r.dollyMinSpeed)}}else h=1,d=null;var p=n.dollyDelta*h;if(0===n.rotateDeltaY&&0===n.rotateDeltaX||(!r.firstPerson&&r.followPointer&&l.getPivoting()?(l.continuePivot(n.rotateDeltaY,n.rotateDeltaX),l.showPivot()):(0!==n.rotateDeltaX&&(r.firstPerson?o.pitch(-n.rotateDeltaX):o.orbitPitch(n.rotateDeltaX)),0!==n.rotateDeltaY&&(r.firstPerson?o.yaw(n.rotateDeltaY):o.orbitYaw(n.rotateDeltaY))),n.rotateDeltaX*=r.rotationInertia,n.rotateDeltaY*=r.rotationInertia,e=c._cursors.rotate),Math.abs(n.panDeltaX)<.001&&(n.panDeltaX=0),Math.abs(n.panDeltaY)<.001&&(n.panDeltaY=0),Math.abs(n.panDeltaZ)<.001&&(n.panDeltaZ=0),0!==n.panDeltaX||0!==n.panDeltaY||0!==n.panDeltaZ){var f,v,g=re.vec3();if(g[0]=n.panDeltaX,g[1]=n.panDeltaY,g[2]=n.panDeltaZ,r.constrainVertical){o.xUp?(f=o.eye[0],v=o.look[0]):o.yUp?(f=o.eye[1],v=o.look[1]):o.zUp&&(f=o.eye[2],v=o.look[2]),o.pan(g);var m=o.eye,_=o.look;o.xUp?(m[0]=f,_[0]=v):o.yUp?(m[1]=f,_[1]=v):o.zUp&&(m[2]=f,_[2]=v),o.eye=m,o.look=_}else o.pan(g);e=c._cursors.pan}if(n.panDeltaX*=r.panInertia,n.panDeltaY*=r.panInertia,n.panDeltaZ*=r.panInertia,0!==p){if(e=p<0?c._cursors.dollyForward:c._cursors.dollyBackward,r.firstPerson){var y,b;if(r.constrainVertical&&(o.xUp?(y=o.eye[0],b=o.look[0]):o.yUp?(y=o.eye[1],b=o.look[1]):o.zUp&&(y=o.eye[2],b=o.look[2])),r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(r.constrainVertical){var B=o.eye,w=o.look;o.xUp?(B[0]=y,w[0]=b):o.yUp?(B[1]=y,w[1]=b):o.zUp&&(B[2]=y,w[2]=b),o.eye=B,o.look=w}}else if(r.planView){if(r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+p,o.zoom(p)}else{if(r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+p,o.zoom(p)}n.dollyDelta*=r.dollyInertia}a.fireEvents(),document.body.style.cursor=e}}))}return C(e,[{key:"destroy",value:function(){this._scene.off(this._onTick)}}]),e}(),Gp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=function(){s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=function(){s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=function(e){zp(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=function(e){r.active&&r.pointerEnabled&&(zp(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=function(e){r.active&&r.pointerEnabled})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}]),e}();function zp(e,t,i){if(e){var r=t.getBoundingClientRect(),s=r.left,n=r.top;i[0]=e.clientX-s,i[1]=e.clientY-n}else e=window.event,i[0]=e.x,i[1]=e.y;return i}var Kp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Wp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o=i.pickController,a=i.pivotController,l=re.vec2(),u=re.vec2(),c=re.vec2(),A=re.vec2(),h=[],d=this._scene.canvas.canvas,p=0,f=!1;this._onTick=t.on("tick",(function(){f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){e.preventDefault();var i=e.touches,n=e.changedTouches;for(s.touchStartTime=Date.now(),1===i.length&&1===n.length&&(Kp(i[0],l),r.followPointer&&(o.pickCursorPos=l,o.schedulePickSurface=!0,o.update(),r.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(a.setPivotPos(o.pickResult.worldPos),!r.firstPerson&&a.startPivot()&&a.showPivot()):(r.smartPivot?a.setCanvasPivotPos(s.pointerCanvasPos):a.setPivotPos(t.camera.look),!r.firstPerson&&a.startPivot()&&a.showPivot()))));h.length<i.length;)h.push(re.vec2());for(var u=0,c=i.length;u<c;++u)Kp(i[u],h[u]);p=i.length}}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(){a.getPivoting()&&(a.endPivot(),a.hidePivot())}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(e.stopPropagation(),e.preventDefault(),!f)){f=!0;var i=t.canvas.boundary,a=i[2],l=i[3],d=e.touches;if(e.touches.length===p){if(1===p){Kp(d[0],u),re.subVec2(u,h[0],A);var v=A[0],g=A[1];if(null!==s.longTouchTimeout&&(Math.abs(v)>r.longTapRadius||Math.abs(g)>r.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),r.planView){var m=t.camera;if("perspective"===m.projection){var _=Math.abs(t.camera.eyeLookDist)*Math.tan(m.perspective.fov/2*Math.PI/180);n.panDeltaX+=v*_/l*r.touchPanRate,n.panDeltaY+=g*_/l*r.touchPanRate}else n.panDeltaX+=.5*m.ortho.scale*(v/l)*r.touchPanRate,n.panDeltaY+=.5*m.ortho.scale*(g/l)*r.touchPanRate}else n.rotateDeltaY-=v/a*(1*r.dragRotationRate),n.rotateDeltaX+=g/l*(1.5*r.dragRotationRate)}else if(2===p){var y=d[0],b=d[1];Kp(y,u),Kp(b,c);var B=re.geometricMeanVec2(h[0],h[1]),w=re.geometricMeanVec2(u,c),P=re.vec2();re.subVec2(B,w,P);var x=P[0],C=P[1],M=t.camera,E=re.distVec2([y.pageX,y.pageY],[b.pageX,b.pageY]),F=(re.distVec2(h[0],h[1])-E)*r.touchDollyRate;if(n.dollyDelta=F,Math.abs(F)<1)if("perspective"===M.projection){var k=o.pickResult?o.pickResult.worldPos:t.center,I=Math.abs(re.lenVec3(re.subVec3(k,t.camera.eye,[])))*Math.tan(M.perspective.fov/2*Math.PI/180);n.panDeltaX-=x*I/l*r.touchPanRate,n.panDeltaY-=C*I/l*r.touchPanRate}else n.panDeltaX-=.5*M.ortho.scale*(x/l)*r.touchPanRate,n.panDeltaY-=.5*M.ortho.scale*(C/l)*r.touchPanRate;s.pointerCanvasPos=w}for(var D=0;D<p;++D)Kp(d[D],h[D])}}})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}]),e}(),Xp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Jp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o,a=i.pickController,l=i.cameraControl,u=[],c=new Float32Array(2),A=-1,h=-1,d=this._scene.canvas.canvas,p=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})};d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);var t=e.touches,n=e.changedTouches;if(o=Date.now(),1===t.length&&1===n.length){A=o,Xp(t[0],c);var a=c[0],l=c[1],h=t[0].pageX,d=t[0].pageY;s.longTouchTimeout=setTimeout((function(){i.cameraControl.fire("rightClick",{pagePos:[Math.round(h),Math.round(d)],canvasPos:[Math.round(a),Math.round(l)],event:e},!0),s.longTouchTimeout=null}),r.longTapTimeout)}else A=-1;for(;u.length<t.length;)u.push(new Float32Array(2));for(var p=0,f=t.length;p<f;++p)Xp(t[p],u[p]);u.length=t.length}},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(e){if(r.active&&r.pointerEnabled){var t=Date.now(),i=e.touches,n=e.changedTouches,o=l.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===i.length&&1===n.length&&A>-1&&t-A<150&&(h>-1&&A-h<325?(Xp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("doublePicked",a.pickResult),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult),r.doublePickFlyTo&&p(a.pickResult)):(l.fire("doublePickedNothing"),r.doublePickFlyTo&&p()),h=-1):re.distVec2(u[0],c)<4&&(Xp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("picked",a.pickResult),a.pickedSurface&&l.fire("pickedSurface",a.pickResult)):l.fire("pickedNothing"),h=t),A=-1),u.length=i.length;for(var d=0,f=i.length;d<f;++d)u[d][0]=i[d].pageX,u[d][1]=i[d].pageY}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}]),e}(),Yp=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s)).PAN_LEFT=0,r.PAN_RIGHT=1,r.PAN_UP=2,r.PAN_DOWN=3,r.PAN_FORWARDS=4,r.PAN_BACKWARDS=5,r.ROTATE_X_POS=6,r.ROTATE_X_NEG=7,r.ROTATE_Y_POS=8,r.ROTATE_Y_NEG=9,r.DOLLY_FORWARDS=10,r.DOLLY_BACKWARDS=11,r.AXIS_VIEW_RIGHT=12,r.AXIS_VIEW_BACK=13,r.AXIS_VIEW_LEFT=14,r.AXIS_VIEW_FRONT=15,r.AXIS_VIEW_TOP=16,r.AXIS_VIEW_BOTTOM=17,r.MOUSE_PAN=18,r.MOUSE_ROTATE=19,r.MOUSE_DOLLY=20,r._keyMap={},r.scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},r._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},r._states={pointerCanvasPos:re.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:re.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},r._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};var n=r.scene;return r._controllers={cameraControl:b(r),pickController:new kp(b(r),r._configs),pivotController:new Fp(n,r._configs),panController:new Bp(n),cameraFlight:new jd(b(r),{duration:.5})},r._handlers=[new Gp(r.scene,r._controllers,r._configs,r._states,r._updates),new Wp(r.scene,r._controllers,r._configs,r._states,r._updates),new Dp(r.scene,r._controllers,r._configs,r._states,r._updates),new Np(r.scene,r._controllers,r._configs,r._states,r._updates),new Qp(r.scene,r._controllers,r._configs,r._states,r._updates),new Jp(r.scene,r._controllers,r._configs,r._states,r._updates),new Vp(r.scene,r._controllers,r._configs,r._states,r._updates)],r._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},r._cameraUpdater=new jp(r.scene,r._controllers,r._configs,r._states,r._updates),r.navMode=s.navMode,s.planView&&(r.planView=s.planView),r.constrainVertical=s.constrainVertical,s.keyboardLayout?r.keyboardLayout=s.keyboardLayout:r.keyMap=s.keyMap,r.doublePickFlyTo=s.doublePickFlyTo,r.panRightClick=s.panRightClick,r.active=s.active,r.followPointer=s.followPointer,r.rotationInertia=s.rotationInertia,r.keyboardPanRate=s.keyboardPanRate,r.touchPanRate=s.touchPanRate,r.keyboardRotationRate=s.keyboardRotationRate,r.dragRotationRate=s.dragRotationRate,r.touchDollyRate=s.touchDollyRate,r.dollyInertia=s.dollyInertia,r.dollyProximityThreshold=s.dollyProximityThreshold,r.dollyMinSpeed=s.dollyMinSpeed,r.panInertia=s.panInertia,r.pointerEnabled=!0,r.keyboardDollyRate=s.keyboardDollyRate,r.mouseWheelDollyRate=s.mouseWheelDollyRate,r}return C(i,[{key:"keyMap",get:function(){return this._keyMap},set:function(e){if(e=e||"qwerty",he.isString(e)){var t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{var r=e;this._keyMap=r}}},{key:"_areAllKeysDown",value:function(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(var i=0,r=t.length;i<r;i++){if(!e[t[i]])return!1}return!0}},{key:"_isAnyOtherKeyDown",value:function(e,t){for(var i=0,r=e.length;i<r;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}},{key:"_isMouseAction",value:function(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}},{key:"_isKeyDownForAction",value:function(e,t){var i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(var r=0,s=i.length;r<s;r++){var n=i[r];if(Array.isArray(n)){if(this._areAllKeysDown(t,n)&&!this._isAnyOtherKeyDown(t,n))return!0}else if(t[n]&&!this._isAnyOtherKeyDown(t,n))return!0}return!1}},{key:"pivotElement",set:function(e){this._controllers.pivotController.setPivotElement(e)}},{key:"active",get:function(){return this._configs.active},set:function(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}},{key:"snapToVertex",get:function(){return this._configs.snapToVertex},set:function(e){this._configs.snapToVertex=!!e}},{key:"snapToEdge",get:function(){return this._configs.snapToEdge},set:function(e){this._configs.snapToEdge=!!e}},{key:"snapRadius",get:function(){return this._configs.snapRadius},set:function(e){e=e||30,this._configs.snapRadius=e}},{key:"keyboardEnabledOnlyIfMouseover",get:function(){return this._configs.keyboardEnabledOnlyIfMouseover},set:function(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}},{key:"navMode",get:function(){return this._configs.navMode},set:function(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}},{key:"pointerEnabled",get:function(){return this._configs.pointerEnabled},set:function(e){this._reset(),this._configs.pointerEnabled=!!e}},{key:"setCursorStyle",value:function(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors=l(l({},this._cursors),{},u({},e,t)):console.warn("Action '".concat(e,"' is not valid for cursor styles."))}},{key:"getCursorStyle",value:function(e){return this._cursors[e]||null}},{key:"_reset",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.reset&&i.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}},{key:"followPointer",get:function(){return this._configs.followPointer},set:function(e){this._configs.followPointer=!1!==e}},{key:"pivotPos",get:function(){return this._controllers.pivotController.getPivotPos()},set:function(e){this._controllers.pivotController.setPivotPos(e)}},{key:"dollyToPointer",get:function(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer},set:function(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}},{key:"panToPointer",get:function(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1},set:function(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}},{key:"planView",get:function(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView},set:function(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}},{key:"firstPerson",get:function(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson},set:function(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}},{key:"constrainVertical",get:function(){return this._configs.constrainVertical},set:function(e){this._configs.constrainVertical=!!e}},{key:"doublePickFlyTo",get:function(){return this._configs.doublePickFlyTo},set:function(e){this._configs.doublePickFlyTo=!1!==e}},{key:"panRightClick",get:function(){return this._configs.panRightClick},set:function(e){this._configs.panRightClick=!1!==e;var t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0)for(var i=this.scene.input,r=0,s=t.length;r<s;r++)this._configs.panRightClick&&t[r]===i.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][r]=i.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[r]!==i.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][r]=i.MOUSE_MIDDLE_BUTTON)}},{key:"rotationInertia",get:function(){return this._configs.rotationInertia},set:function(e){this._configs.rotationInertia=null!=e?e:0}},{key:"keyboardPanRate",get:function(){return this._configs.keyboardPanRate},set:function(e){this._configs.keyboardPanRate=null!=e?e:5}},{key:"touchPanRate",get:function(){return this._configs.touchPanRate},set:function(e){this._configs.touchPanRate=null!=e?e:1}},{key:"keyboardRotationRate",get:function(){return this._configs.keyboardRotationRate},set:function(e){this._configs.keyboardRotationRate=null!=e?e:90}},{key:"dragRotationRate",get:function(){return this._configs.dragRotationRate},set:function(e){this._configs.dragRotationRate=null!=e?e:360}},{key:"keyboardDollyRate",get:function(){return this._configs.keyboardDollyRate},set:function(e){this._configs.keyboardDollyRate=null!=e?e:15}},{key:"touchDollyRate",get:function(){return this._configs.touchDollyRate},set:function(e){this._configs.touchDollyRate=null!=e?e:.2}},{key:"mouseWheelDollyRate",get:function(){return this._configs.mouseWheelDollyRate},set:function(e){this._configs.mouseWheelDollyRate=null!=e?e:100}},{key:"dollyInertia",get:function(){return this._configs.dollyInertia},set:function(e){this._configs.dollyInertia=null!=e?e:0}},{key:"dollyProximityThreshold",get:function(){return this._configs.dollyProximityThreshold},set:function(e){this._configs.dollyProximityThreshold=null!=e?e:35}},{key:"dollyMinSpeed",get:function(){return this._configs.dollyMinSpeed},set:function(e){this._configs.dollyMinSpeed=null!=e?e:.04}},{key:"panInertia",get:function(){return this._configs.panInertia},set:function(e){this._configs.panInertia=null!=e?e:.5}},{key:"keyboardLayout",get:function(){return this._configs.keyboardLayout},set:function(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._controllers.pivotController.enablePivotSphere(e)}},{key:"disablePivotSphere",value:function(){this._controllers.pivotController.disablePivotSphere()}},{key:"smartPivot",get:function(){return this._configs.smartPivot},set:function(e){this._configs.smartPivot=!1!==e}},{key:"doubleClickTimeFrame",get:function(){return this._configs.doubleClickTimeFrame},set:function(e){this._configs.doubleClickTimeFrame=null!=e?e:250}},{key:"zoomOnMouseWheel",get:function(){return this._configs.zoomOnMouseWheel},set:function(e){this._configs.zoomOnMouseWheel=!!e}},{key:"destroy",value:function(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),f(B(i.prototype),"destroy",this).call(this)}},{key:"_destroyHandlers",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.destroy&&i.destroy()}}},{key:"_destroyControllers",value:function(){for(var e=0,t=this._controllers.length;e<t;e++){var i=this._controllers[e];i.destroy&&i.destroy()}}}]),i}(),Zp=C((function e(t,i,r,s,n){P(this,e),this.name=t,this.type=r,this.value=i,this.valueType=s,this.description=n})),qp=C((function e(t){if(P(this,e),this.id=t.id,this.originalSystemId=t.originalSystemId,this.metaModels=[],this.name=t.name,this.type=t.type,this.properties=[],t.properties)for(var i=t.properties,r=0,s=i.length;r<s;r++){var n=i[r];Number.isInteger(n)?this.properties.push(n):this.properties.push(new Zp(n.name,n.value,n.type,n.valueType,n.description))}})),$p=function(){function e(t){P(this,e),this.metaModels=[],this.id=t.id,this.parentId=t.parentId,this.parent=null,this.originalSystemId=t.originalSystemId,this.name=t.name,this.type=t.type,this.propertySetIds=t.propertySetIds,this.propertySets=[],this.attributes=t.attributes||{},void 0!==t.external&&null!==t.external&&(this.external=t.external)}return C(e,[{key:"metaModel",get:function(){return 1==this.metaModels.length?this.metaModels[0]:null}},{key:"getObjectIDsInSubtree",value:function(){var e=[];return function t(i){if(i){e.push(i.id);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this),e}},{key:"withMetaObjectsInSubtree",value:function(e){!function t(i){if(i){e(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this)}},{key:"getObjectIDsInSubtreeByType",value:function(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=e[i];var s=[];return function e(i){if(i){t[i.type]&&s.push(i.id);var r=i.children;if(r)for(var n=0,o=r.length;n<o;n++)e(r[n])}}(this),s}},{key:"getJSON",value:function(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}]),e}(),ef=function(){function e(t){P(this,e),this.id=t.id,this.projectId=t.projectId,this.revisionId=t.revisionId,this.author=t.author,this.createdAt=t.createdAt,this.creatingApplication=t.creatingApplication,this.schema=t.schema,this.metaScene=t.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=t.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}return C(e,[{key:"rootMetaObject",get:function(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}},{key:"loadData",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);var i=this.metaScene,r=e.properties;if(r)for(var s=0,n=r.length;s<n;s++)this._propertyLookup.push(r[s]);if(e.propertySets)for(var o=0,a=e.propertySets.length;o<a;o++){var l=e.propertySets[o];l.properties||(l.properties=[]);var u=i.propertySets[l.id];u||(u=new qp({id:l.id,originalSystemId:l.originalSystemId||l.id,type:l.type,name:l.name,properties:l.properties}),i.propertySets[u.id]=u),u.metaModels.push(this),this.propertySets.push(u)}if(e.metaObjects)for(var c=0,A=e.metaObjects.length;c<A;c++){var h=e.metaObjects[c],d=h.id,p=i.metaObjects[d];if(!p){var f=h.type,v=h.originalSystemId,g=h.propertySets||h.propertySetIds;p=new $p({id:d,originalSystemId:v,parentId:h.parent,type:f,name:h.name,attributes:h.attributes,propertySetIds:g,external:h.external}),this.metaScene.metaObjects[d]=p,p.metaModels=[]}this.metaObjects[d]=p,h.parent||(this.rootMetaObjects.push(p),i.rootMetaObjects[d]=p),p.metaModels.push(this)}}},{key:"_decompressProperties",value:function(e,t){for(var i=[],r=0,s=t.length;r<s;r++){var n=t[r];if(Number.isInteger(n)){var o=e[n];o?t[r]=o:i.push(n)}}i.length>0&&console.error("[MetaModel._decompressProperties] Properties not found: ".concat(i))}},{key:"finalize",value:function(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";var e=this.metaScene;for(var t in e.metaObjects){var i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(var r=0,s=i.propertySetIds.length;r<s;r++){var n=i.propertySetIds[r],o=e.propertySets[n];i.propertySets.push(o)}}for(var a in e.metaObjects){var l=e.metaObjects[a];if(l.parentId){var u=e.metaObjects[l.parentId];u&&(l.parent=u,(u.children||(u.children=[])).push(l))}}for(var c in e.metaObjects){e.metaObjects[c].metaModels=[]}for(var A in e.metaModels){var h=e.metaModels[A];for(var d in h.metaObjects){h.metaObjects[d].metaModels.push(h)}}for(var p in e.metaObjectsByType={},e.metaObjects){var f=e.metaObjects[p],v=f.type;(e.metaObjectsByType[v]||(e.metaObjectsByType[v]={}))[p]=f}if(this.propertySets)for(var g=0,m=this.propertySets.length;g<m;g++){var _=this.propertySets[g];this._decompressProperties(this._propertyLookup,_.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}},{key:"getJSON",value:function(){for(var e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects),i=0,r=t.length;i<r;i++){var s=t[i],n={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(n.parent=s.parent.id),s.attributes&&(n.attributes=s.attributes),s.propertySetIds&&(n.propertySetIds=s.propertySetIds),e.metaObjects.push(n)}for(var o=0,a=this.propertySets.length;o<a;o++){for(var l=this.propertySets[o],u={id:l.id,originalSystemId:l.originalSystemId,extId:l.extId,type:l.type,name:l.name,propertyies:[]},c=0,A=l.properties.length;c<A;c++){var h=l.properties[c],d={id:h.id,description:h.description,type:h.type,name:h.name,value:h.value,valueType:h.valueType};u.properties.push(d)}e.propertySets.push(u)}return e}},{key:"_globalizeIDs",value:function(e,t){var i=!!t.globalizeObjectIds;if(e.metaObjects)for(var r=0,s=e.metaObjects.length;r<s;r++){var n=e.metaObjects[r];if(n.originalSystemId=n.id,n.parent&&(n.originalParentSystemId=n.parent),i&&(n.id=re.globalizeObjectId(this.id,n.id),n.parent&&(n.parent=re.globalizeObjectId(this.id,n.parent))),i){var o=n.propertySetIds;if(o){for(var a=[],l=0,u=o.length;l<u;l++)a.push(re.globalizeObjectId(this.id,o[l]));n.propertySetIds=a,n.originalSystemPropertySetIds=o}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(var c=0,A=e.propertySets.length;c<A;c++){var h=e.propertySets[c];h.originalSystemId=h.id,i&&(h.id=re.globalizeObjectId(this.id,h.id))}}}]),e}(),tf=function(){function e(t,i){P(this,e),this.viewer=t,this.scene=i,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"createMetaModel",value:function(e,t){var i=new ef({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return i.loadData(t),i.finalize(),i}},{key:"destroyMetaModel",value:function(e){var t=this.metaModels[e];if(t){if(t.propertySets)for(var i=0,r=t.propertySets.length;i<r;i++){var s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{for(var n=[],o=0,a=s.metaModels.length;o<a;o++)s.metaModels[o].id!==e&&n.push(s.metaModels[o]);s.metaModels=n}}if(t.metaObjects)for(var l in t.metaObjects){var u=t.metaObjects[l];1===u.metaModels.length&&u.metaModels[0].id===e?(delete this.metaObjects[l],u.parent||delete this.rootMetaObjects[l]):u.metaModels=u.metaModels.filter((function(t){return t.id!==e}))}for(var c in this.metaObjects){var A=this.metaObjects[c];if(A.children&&(A.children=[]),A.propertySets&&(A.propertySets=[]),A.propertySetIds)for(var h=0,d=A.propertySetIds.length;h<d;h++){var p=A.propertySetIds[h],f=this.propertySets[p];A.propertySets.push(f)}}for(var v in this.metaObjectsByType={},this.metaObjects){var g=this.metaObjects[v],m=g.type;g.children&&(g.children=null),(this.metaObjectsByType[m]||(this.metaObjectsByType[m]={}))[v]=g}for(var _ in this.metaObjects){var y=this.metaObjects[_];if(y.parentId){var b=this.metaObjects[y.parentId];b&&(y.parent=b,(b.children||(b.children=[])).push(y))}}for(var B in delete this.metaModels[e],this.metaObjects){this.metaObjects[B].metaModels=[]}for(var w in this.metaModels){var P=this.metaModels[w];for(var x in P.metaObjects){P.metaObjects[x].metaModels.push(P)}}this.fire("metaModelDestroyed",e)}}},{key:"getObjectIDsByType",value:function(e){var t=this.metaObjectsByType[e];return t?Object.keys(t):[]}},{key:"getObjectIDsInSubtree",value:function(e,t,i){var r=[],s=this.metaObjects[e],n=t&&t.length>0?rf(t):null,o=i&&i.length>0?rf(i):null;return function e(t){if(t){var i=!0;(o&&o[t.type]||n&&!n[t.type])&&(i=!1),i&&r.push(t.id);var s=t.children;if(s)for(var a=0,l=s.length;a<l;a++)e(s[a])}}(s),r}},{key:"withMetaObjectsInSubtree",value:function(e,t){var i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}]),e}();function rf(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=!0;return t}
+ **/var Uh=null;function Oh(e,t){var i,r,s,n,o,a,l=3*e,u=3*t,c=Math.min(i=Uh[l],r=Uh[l+1],s=Uh[l+2]),A=Math.min(n=Uh[u],o=Uh[u+1],a=Uh[u+2]);if(c!==A)return c-A;var h=Math.max(i,r,s),d=Math.max(n,o,a);return h!==d?h-d:0}function Nh(e,t){for(var i=new Int32Array(e.length/3),r=0,s=i.length;r<s;r++)i[r]=r;Uh=new Int32Array(e.length);for(var n=0,o=e.length;n<o;n++)Uh[n]=e[n]>>t;i.sort(Oh);for(var a=new Int32Array(e.length),l=0,u=i.length;l<u;l++)a[3*l+0]=e[3*i[l]+0],a[3*l+1]=e[3*i[l]+1],a[3*l+2]=e[3*i[l]+2];return a}var Qh=null;function Vh(e,t){var i=Qh[2*e]-Qh[2*t];return 0!==i?i:Qh[2*e+1]-Qh[2*t+1]}function Hh(e){if(0===(e||[]).length)return[];for(var t=new Int32Array(e.length/2),i=0,r=t.length;i<r;i++)t[i]=i;for(var s=0,n=e.length;s<n;s+=2)if(e[s]>e[s+1]){var o=e[s];e[s]=e[s+1],e[s+1]=o}Qh=new Int32Array(e),t.sort(Vh);for(var a=new Int32Array(e.length),l=0,u=t.length;l<u;l++)a[2*l+0]=e[2*t[l]+0],a[2*l+1]=e[2*t[l]+1];return a}function jh(e,t){var i={},r={};e.forEach((function(e){for(var t=e.indices,s=e.edgeIndices,n=e.positionsCompressed,o=0,a=t.length;o<a;o+=3){var l=n[3*t[o]]+"_"+n[3*t[o]+1]+"_"+n[3*t[o]+2]+"/"+n[3*t[o+1]]+"_"+n[3*t[o+1]+1]+"_"+n[3*t[o+1]+2]+"/"+n[3*t[o+2]]+"_"+n[3*t[o+2]+1]+"_"+n[3*t[o+2]+2];i[l]=!0}e.edgeIndices.length/2;for(var u=0,c=s.length;u<c;u+=2){var A=n[3*s[u]]+"_"+n[3*s[u]+1]+"_"+n[3*s[u]+2]+"/"+n[3*s[u+1]]+"_"+n[3*s[u+1]+1]+"_"+n[3*s[u+1]+2]+"/";r[A]=!0}}));var s=t.indices;t.edgeIndices;for(var n=t.positionsCompressed,o=0,a=s.length;o<a;o+=3){var l=n[3*s[o]]+"_"+n[3*s[o]+1]+"_"+n[3*s[o]+2]+"/"+n[3*s[o+1]]+"_"+n[3*s[o+1]+1]+"_"+n[3*s[o+1]+2]+"/"+n[3*s[o+2]]+"_"+n[3*s[o+2]+1]+"_"+n[3*s[o+2]+2];if(!(l in i))throw console.log("Not found "+l),"Ohhhh!"}}var Gh=re.vec4(4),zh=re.vec4(),Kh=re.vec4(),Wh=re.vec3([1,0,0]),Xh=re.vec3([0,1,0]),Jh=re.vec3([0,0,1]);re.vec3(3),re.vec3(3);var Yh=re.identityMat4(),Zh=function(){function e(t){P(this,e),this._model=t.model,this.id=t.id,this._parentTransform=t.parent,this._childTransforms=[],this._meshes=[],this._scale=new Float32Array([1,1,1]),this._quaternion=re.identityQuaternion(new Float32Array(4)),this._rotation=new Float32Array(3),this._position=new Float32Array(3),this._localMatrix=re.identityMat4(new Float32Array(16)),this._worldMatrix=re.identityMat4(new Float32Array(16)),this._localMatrixDirty=!0,this._worldMatrixDirty=!0,t.matrix?this.matrix=t.matrix:(this.scale=t.scale,this.position=t.position,t.quaternion||(this.rotation=t.rotation)),t.parent&&t.parent._addChildTransform(this)}return C(e,[{key:"_addChildTransform",value:function(e){this._childTransforms.push(e),e._parentTransform=this,e._transformDirty(),e._setSubtreeAABBsDirty(this)}},{key:"_addMesh",value:function(e){this._meshes.push(e),e.transform=this}},{key:"parentTransform",get:function(){return this._parentTransform}},{key:"meshes",get:function(){return this._meshes}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){this._scale.set(e||[1,1,1]),this._setLocalMatrixDirty(),this._model.glRedraw()}},{key:"matrix",get:function(){return this._localMatrixDirty&&(this._localMatrix||(this._localMatrix=re.identityMat4()),re.composeMat4(this._position,this._quaternion,this._scale,this._localMatrix),this._localMatrixDirty=!1),this._localMatrix},set:function(e){this._localMatrix||(this._localMatrix=re.identityMat4()),this._localMatrix.set(e||Yh),re.decomposeMat4(this._localMatrix,this._position,this._quaternion,this._scale),this._localMatrixDirty=!1,this._transformDirty(),this._model.glRedraw()}},{key:"worldMatrix",get:function(){return this._worldMatrixDirty&&this._buildWorldMatrix(),this._worldMatrix}},{key:"rotate",value:function(e,t){return Gh[0]=e[0],Gh[1]=e[1],Gh[2]=e[2],Gh[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Gh,zh),re.mulQuaternions(this.quaternion,zh,Kh),this.quaternion=Kh,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"rotateOnWorldAxis",value:function(e,t){return Gh[0]=e[0],Gh[1]=e[1],Gh[2]=e[2],Gh[3]=t*re.DEGTORAD,re.angleAxisToQuaternion(Gh,zh),re.mulQuaternions(zh,this.quaternion,zh),this}},{key:"rotateX",value:function(e){return this.rotate(Wh,e)}},{key:"rotateY",value:function(e){return this.rotate(Xh,e)}},{key:"rotateZ",value:function(e){return this.rotate(Jh,e)}},{key:"translate",value:function(e){return this._position[0]+=e[0],this._position[1]+=e[1],this._position[2]+=e[2],this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateX",value:function(e){return this._position[0]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateY",value:function(e){return this._position[1]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"translateZ",value:function(e){return this._position[2]+=e,this._setLocalMatrixDirty(),this._model.glRedraw(),this}},{key:"_setLocalMatrixDirty",value:function(){this._localMatrixDirty=!0,this._transformDirty()}},{key:"_transformDirty",value:function(){this._worldMatrixDirty=!0;for(var e=0,t=this._childTransforms.length;e<t;e++){var i=this._childTransforms[e];if(i._transformDirty(),i._meshes&&i._meshes.length>0)for(var r=i._meshes,s=0,n=r.length;s<n;s++)r[s]._transformDirty()}if(this._meshes&&this._meshes.length>0)for(var o=this._meshes,a=0,l=o.length;a<l;a++)o[a]._transformDirty()}},{key:"_buildWorldMatrix",value:function(){var e=this.matrix;if(this._parentTransform)re.mulMat4(this._parentTransform.worldMatrix,e,this._worldMatrix);else for(var t=0,i=e.length;t<i;t++)this._worldMatrix[t]=e[t];this._worldMatrixDirty=!1}},{key:"_setSubtreeAABBsDirty",value:function(e){if(e._aabbDirty=!0,e._childTransforms)for(var t=0,i=e._childTransforms.length;t<i;t++)this._setSubtreeAABBsDirty(e._childTransforms[t])}}]),e}(),qh=re.vec3(),$h=re.OBB3(),ed=re.vec4(),td=re.vec3([1,1,1]),id=re.vec3([0,0,0]);re.vec3([0,0,0]);var rd=re.identityQuaternion(),sd=re.identityMat4(),nd=new Uint8Array([255,255,255]),od=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).renderOrder=s.renderOrder||0,r._dtxEnabled=r.scene.dtxEnabled&&!1!==s.dtxEnabled,r._enableVertexWelding=!1,r._enableIndexBucketing=!1,r._vboBatchingLayerScratchMemory=ta(),r._textureTranscoder=s.textureTranscoder||Dh(r.scene.viewer),r._maxGeometryBatchSize=s.maxGeometryBatchSize,r._aabb=re.collapseAABB3(),r._aabbDirty=!0,r._quantizationRanges={},r._vboInstancingLayers={},r._vboBatchingLayers={},r._dtxLayers={},r._meshList=[],r.layerList=[],r._layersToFinalize=[],r._entityList=[],r._entitiesToFinalize=[],r._geometries={},r._dtxBuckets={},r._textures={},r._textureSets={},r._transforms={},r._meshes={},r._unusedMeshes={},r._entities={},r.renderFlags=new Mn,r.numGeometries=0,r.numPortions=0,r.numVisibleLayerPortions=0,r.numTransparentLayerPortions=0,r.numXRayedLayerPortions=0,r.numHighlightedLayerPortions=0,r.numSelectedLayerPortions=0,r.numEdgesLayerPortions=0,r.numPickableLayerPortions=0,r.numClippableLayerPortions=0,r.numCulledLayerPortions=0,r.numEntities=0,r._numTriangles=0,r._numLines=0,r._numPoints=0,r._layersFinalized=!1,r._edgeThreshold=s.edgeThreshold||10,r._origin=re.vec3(s.origin||[0,0,0]),r._position=re.vec3(s.position||[0,0,0]),r._rotation=re.vec3(s.rotation||[0,0,0]),r._quaternion=re.vec4(s.quaternion||[0,0,0,1]),r._conjugateQuaternion=re.vec4(s.quaternion||[0,0,0,1]),s.rotation&&re.eulerToQuaternion(r._rotation,"XYZ",r._quaternion),r._scale=re.vec3(s.scale||[1,1,1]),r._worldRotationMatrix=re.mat4(),r._worldRotationMatrixConjugate=re.mat4(),r._matrix=re.mat4(),r._matrixDirty=!0,r._rebuildMatrices(),r._worldNormalMatrix=re.mat4(),re.inverseMat4(r._matrix,r._worldNormalMatrix),re.transposeMat4(r._worldNormalMatrix),(s.matrix||s.position||s.rotation||s.scale||s.quaternion)&&(r._viewMatrix=re.mat4(),r._viewNormalMatrix=re.mat4(),r._viewMatrixDirty=!0,r._matrixNonIdentity=!0),r._opacity=1,r._colorize=[1,1,1],r._saoEnabled=!1!==s.saoEnabled,r._pbrEnabled=!1!==s.pbrEnabled,r._colorTextureEnabled=!1!==s.colorTextureEnabled,r._isModel=s.isModel,r._isModel&&r.scene._registerModel(m(r)),r._onCameraViewMatrix=r.scene.camera.on("matrix",(function(){r._viewMatrixDirty=!0})),r._meshesWithDirtyMatrices=[],r._numMeshesWithDirtyMatrices=0,r._onTick=r.scene.on("tick",(function(){for(;r._numMeshesWithDirtyMatrices>0;)r._meshesWithDirtyMatrices[--r._numMeshesWithDirtyMatrices]._updateMatrix()})),r._createDefaultTextureSet(),r.visible=s.visible,r.culled=s.culled,r.pickable=s.pickable,r.clippable=s.clippable,r.collidable=s.collidable,r.castsShadow=s.castsShadow,r.receivesShadow=s.receivesShadow,r.xrayed=s.xrayed,r.highlighted=s.highlighted,r.selected=s.selected,r.edges=s.edges,r.colorize=s.colorize,r.opacity=s.opacity,r.backfaces=s.backfaces,r}return C(i,[{key:"_meshMatrixDirty",value:function(e){this._meshesWithDirtyMatrices[this._numMeshesWithDirtyMatrices++]=e}},{key:"_createDefaultTextureSet",value:function(){var e=new bh({id:"defaultColorTexture",texture:new Ao({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})}),t=new bh({id:"defaultMetalRoughTexture",texture:new Ao({gl:this.scene.canvas.gl,preloadColor:[0,1,1,1]})}),i=new bh({id:"defaultNormalsTexture",texture:new Ao({gl:this.scene.canvas.gl,preloadColor:[0,0,0,0]})}),r=new bh({id:"defaultEmissiveTexture",texture:new Ao({gl:this.scene.canvas.gl,preloadColor:[0,0,0,1]})}),s=new bh({id:"defaultOcclusionTexture",texture:new Ao({gl:this.scene.canvas.gl,preloadColor:[1,1,1,1]})});this._textures.defaultColorTexture=e,this._textures.defaultMetalRoughTexture=t,this._textures.defaultNormalsTexture=i,this._textures.defaultEmissiveTexture=r,this._textures.defaultOcclusionTexture=s,this._textureSets.defaultTextureSet=new yh({id:"defaultTextureSet",model:this,colorTexture:e,metallicRoughnessTexture:t,normalsTexture:i,emissiveTexture:r,occlusionTexture:s})}},{key:"isPerformanceModel",get:function(){return!0}},{key:"transforms",get:function(){return this._transforms}},{key:"textures",get:function(){return this._textures}},{key:"textureSets",get:function(){return this._textureSets}},{key:"meshes",get:function(){return this._meshes}},{key:"objects",get:function(){return this._entities}},{key:"origin",get:function(){return this._origin}},{key:"position",get:function(){return this._position},set:function(e){this._position.set(e||[0,0,0]),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotation",get:function(){return this._rotation},set:function(e){this._rotation.set(e||[0,0,0]),re.eulerToQuaternion(this._rotation,"XYZ",this._quaternion),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"quaternion",get:function(){return this._quaternion},set:function(e){this._quaternion.set(e||[0,0,0,1]),re.quaternionToEuler(this._quaternion,"XYZ",this._rotation),this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"scale",get:function(){return this._scale},set:function(e){}},{key:"matrix",get:function(){return this._rebuildMatrices(),this._matrix},set:function(e){this._matrix.set(e||sd),re.decomposeMat4(this._matrix,this._position,this._quaternion,this._scale),this._matrixDirty=!1,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.glRedraw()}},{key:"rotationMatrix",get:function(){return this._rebuildMatrices(),this._worldRotationMatrix}},{key:"_rebuildMatrices",value:function(){this._matrixDirty&&(re.quaternionToRotationMat4(this._quaternion,this._worldRotationMatrix),re.conjugateQuaternion(this._quaternion,this._conjugateQuaternion),re.quaternionToRotationMat4(this._conjugateQuaternion,this._worldRotationMatrixConjugate),re.scaleMat4v(this._scale,this._worldRotationMatrix),re.scaleMat4v(this._scale,this._worldRotationMatrixConjugate),this._matrix.set(this._worldRotationMatrix),re.translateMat4v(this._position,this._matrix),this._matrixDirty=!1,this._viewMatrixDirty=!0)}},{key:"rotationMatrixConjugate",get:function(){return this._rebuildMatrices(),this._worldRotationMatrixConjugate}},{key:"_setWorldMatrixDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0}},{key:"_transformDirty",value:function(){this._matrixDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0}},{key:"_sceneModelDirty",value:function(){this.scene._aabbDirty=!0,this._aabbDirty=!0,this.scene._aabbDirty=!0,this._matrixDirty=!0;for(var e=0,t=this._entityList.length;e<t;e++)this._entityList[e]._sceneModelDirty()}},{key:"worldMatrix",get:function(){return this.matrix}},{key:"worldNormalMatrix",get:function(){return this._worldNormalMatrix}},{key:"_rebuildViewMatrices",value:function(){this._rebuildMatrices(),this._viewMatrixDirty&&(re.mulMat4(this.scene.camera.viewMatrix,this._matrix,this._viewMatrix),re.inverseMat4(this._viewMatrix,this._viewNormalMatrix),re.transposeMat4(this._viewNormalMatrix),this._viewMatrixDirty=!1)}},{key:"viewMatrix",get:function(){return this._viewMatrix?(this._rebuildViewMatrices(),this._viewMatrix):this.scene.camera.viewMatrix}},{key:"viewNormalMatrix",get:function(){return this._viewNormalMatrix?(this._rebuildViewMatrices(),this._viewNormalMatrix):this.scene.camera.viewNormalMatrix}},{key:"backfaces",get:function(){return this._backfaces},set:function(e){e=!!e,this._backfaces=e,this.glRedraw()}},{key:"entityList",get:function(){return this._entityList}},{key:"isEntity",get:function(){return!0}},{key:"isModel",get:function(){return this._isModel}},{key:"isObject",get:function(){return!1}},{key:"aabb",get:function(){if(this._aabbDirty){re.collapseAABB3(this._aabb);for(var e=0,t=this._entityList.length;e<t;e++)re.expandAABB3(this._aabb,this._entityList[e].aabb);this._aabbDirty=!1}return this._aabb}},{key:"numTriangles",get:function(){return this._numTriangles}},{key:"numLines",get:function(){return this._numLines}},{key:"numPoints",get:function(){return this._numPoints}},{key:"visible",get:function(){return this.numVisibleLayerPortions>0},set:function(e){e=!1!==e,this._visible=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].visible=e;this.glRedraw()}},{key:"xrayed",get:function(){return this.numXRayedLayerPortions>0},set:function(e){e=!!e,this._xrayed=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].xrayed=e;this.glRedraw()}},{key:"highlighted",get:function(){return this.numHighlightedLayerPortions>0},set:function(e){e=!!e,this._highlighted=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].highlighted=e;this.glRedraw()}},{key:"selected",get:function(){return this.numSelectedLayerPortions>0},set:function(e){e=!!e,this._selected=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].selected=e;this.glRedraw()}},{key:"edges",get:function(){return this.numEdgesLayerPortions>0},set:function(e){e=!!e,this._edges=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].edges=e;this.glRedraw()}},{key:"culled",get:function(){return this._culled},set:function(e){e=!!e,this._culled=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].culled=e;this.glRedraw()}},{key:"clippable",get:function(){return this._clippable},set:function(e){e=!1!==e,this._clippable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].clippable=e;this.glRedraw()}},{key:"collidable",get:function(){return this._collidable},set:function(e){e=!1!==e,this._collidable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].collidable=e}},{key:"pickable",get:function(){return this.numPickableLayerPortions>0},set:function(e){e=!1!==e,this._pickable=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].pickable=e}},{key:"colorize",get:function(){return this._colorize},set:function(e){this._colorize=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].colorize=e}},{key:"opacity",get:function(){return this._opacity},set:function(e){this._opacity=e;for(var t=0,i=this._entityList.length;t<i;t++)this._entityList[t].opacity=e}},{key:"castsShadow",get:function(){return this._castsShadow},set:function(e){(e=!1!==e)!==this._castsShadow&&(this._castsShadow=e,this.glRedraw())}},{key:"receivesShadow",get:function(){return this._receivesShadow},set:function(e){(e=!1!==e)!==this._receivesShadow&&(this._receivesShadow=e,this.glRedraw())}},{key:"saoEnabled",get:function(){return this._saoEnabled}},{key:"pbrEnabled",get:function(){return this._pbrEnabled}},{key:"colorTextureEnabled",get:function(){return this._colorTextureEnabled}},{key:"isDrawable",get:function(){return!0}},{key:"isStateSortable",get:function(){return!1}},{key:"xrayMaterial",get:function(){return this.scene.xrayMaterial}},{key:"highlightMaterial",get:function(){return this.scene.highlightMaterial}},{key:"selectedMaterial",get:function(){return this.scene.selectedMaterial}},{key:"edgeMaterial",get:function(){return this.scene.edgeMaterial}},{key:"getPickViewMatrix",value:function(e){return this._viewMatrix?this._viewMatrix:e}},{key:"createQuantizationRange",value:function(e){void 0!==e.id&&null!==e.id?e.aabb?this.error("[createQuantizationRange] Config missing: aabb"):this._quantizationRanges[e.id]?this.error("[createQuantizationRange] QuantizationRange already created: "+e.id):this._quantizationRanges[e.id]={id:e.id,aabb:e.aabb,matrix:Ja(e.aabb,re.mat4())}:this.error("[createQuantizationRange] Config missing: id")}},{key:"createGeometry",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._geometries[e.id])this.error("[createGeometry] Geometry already created: "+e.id);else if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"===e.primitive||"lines"===e.primitive||"triangles"===e.primitive||"solid"===e.primitive||"surface"===e.primitive){if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("[createGeometry] Param expected: `positions`,  `positionsCompressed' or 'buckets"),null;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("[createGeometry] Param expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.positionsDecodeMatrix&&e.positionsDecodeBoundary)return this.error("[createGeometry] Only one of these params expected: `positionsDecodeMatrix` or 'positionsDecodeBoundary' (required for `positionsCompressed')"),null;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("[createGeometry] Param expected: `uvDecodeMatrix` (required for `uvCompressed')"),null;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return this.error("[createGeometry] Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),null;if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Ja(e.positionsDecodeBoundary,re.mat4())),e.positions){var i=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(i,e.positions),e.positionsCompressed=Xa(e.positions,i,e.positionsDecodeMatrix),e.aabb=i}else if(e.positionsCompressed){var r=re.collapseAABB3();e.positionsDecodeMatrix=new Float64Array(e.positionsDecodeMatrix),e.positionsCompressed=new Uint16Array(e.positionsCompressed),re.expandAABB3Points3(r,e.positionsCompressed),cr.decompressAABB(r,e.positionsDecodeMatrix),e.aabb=r}else if(e.buckets){var s=re.collapseAABB3();this._dtxBuckets[e.id]=e.buckets;for(var n=0,o=e.buckets.length;n<o;n++){var a=e.buckets[n];a.positions?re.expandAABB3Points3(s,a.positions):a.positionsCompressed&&re.expandAABB3Points3(s,a.positionsCompressed)}e.positionsDecodeMatrix&&cr.decompressAABB(s,e.positionsDecodeMatrix),e.aabb=s}if(e.colorsCompressed&&e.colorsCompressed.length>0)e.colorsCompressed=new Uint8Array(e.colorsCompressed);else if(e.colors&&e.colors.length>0){for(var l=e.colors,u=new Uint8Array(l.length),c=0,A=l.length;c<A;c++)u[c]=255*l[c];e.colorsCompressed=u}if(e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=rr(e.positions,e.indices,null,5):e.edgeIndices=rr(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.uv){var h=cr.getUVBounds(e.uv),d=cr.compressUVs(e.uv,h.min,h.max);e.uvCompressed=d.quantized,e.uvDecodeMatrix=d.decodeMatrix}else e.uvCompressed&&(e.uvCompressed=new Uint16Array(e.uvCompressed),e.uvDecodeMatrix=new Float64Array(e.uvDecodeMatrix));e.normals&&(e.normals=null),this._geometries[e.id]=e,this._numTriangles+=e.indices?Math.round(e.indices.length/3):0,this.numGeometries++}else this.error("[createGeometry] Unsupported value for 'primitive': '".concat(e.primitive,"' - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'. Defaulting to 'triangles'."));else this.error("[createGeometry] Config missing: id")}},{key:"createTexture",value:function(e){var t=this,i=e.id;if(null!=i)if(this._textures[i])this.error("[createTexture] Texture already created: "+i);else{if(!e.src&&!e.image&&!e.buffers)return this.error("[createTexture] Param expected: `src`, `image' or 'buffers'"),null;var r=e.minFilter||1008;1006!==r&&1007!==r&&1008!==r&&1005!==r&&1004!==r&&(this.error("[createTexture] Unsupported value for 'minFilter' - \n            supported values are LinearFilter, LinearMipMapNearestFilter, NearestMipMapNearestFilter, \n            NearestMipMapLinearFilter and LinearMipmapLinearFilter. Defaulting to LinearMipmapLinearFilter."),r=1008);var s=e.magFilter||1006;1006!==s&&1003!==s&&(this.error("[createTexture] Unsupported value for 'magFilter' - supported values are LinearFilter and NearestFilter. Defaulting to LinearFilter."),s=1006);var n=e.wrapS||1e3;1001!==n&&1002!==n&&1e3!==n&&(this.error("[createTexture] Unsupported value for 'wrapS' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),n=1e3);var o=e.wrapT||1e3;1001!==o&&1002!==o&&1e3!==o&&(this.error("[createTexture] Unsupported value for 'wrapT' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),o=1e3);var a=e.wrapR||1e3;1001!==a&&1002!==a&&1e3!==a&&(this.error("[createTexture] Unsupported value for 'wrapR' - supported values are ClampToEdgeWrapping, MirroredRepeatWrapping and RepeatWrapping. Defaulting to RepeatWrapping."),a=1e3);var l=e.encoding||3e3;3e3!==l&&3001!==l&&(this.error("[createTexture] Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),l=3e3);var u=new Ao({gl:this.scene.canvas.gl,minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,encoding:l});if(e.preloadColor&&u.setPreloadColor(e.preloadColor),e.image){var c=e.image;if(c.crossOrigin="Anonymous",c.compressed){var A=c.data;u.setCompressedData({mipmaps:A,props:{format:A[0].format,minFilter:r,magFilter:s}})}else u.setImage(c,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l})}else if(e.src){var h=e.src.split(".").pop();switch(h){case"jpeg":case"jpg":case"png":case"gif":var d=new Image;d.onload=function(){u.setImage(d,{minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,flipY:e.flipY,encoding:l}),t.glRedraw()},d.src=e.src;break;default:this._textureTranscoder?he.loadArraybuffer(e.src,(function(e){e.byteLength?t._textureTranscoder.transcode([e],u).then((function(){t.glRedraw()})):t.error("[createTexture] Can't create texture from 'src': file data is zero length")}),(function(e){this.error("[createTexture] Can't create texture from 'src': ".concat(e))})):this.error("[createTexture] Can't create texture from 'src' - SceneModel needs to be configured with a TextureTranscoder for this file type ('".concat(h,"')"))}}else e.buffers&&(this._textureTranscoder?this._textureTranscoder.transcode(e.buffers,u).then((function(){t.glRedraw()})):this.error("[createTexture] Can't create texture from 'buffers' - SceneModel needs to be configured with a TextureTranscoder for this option"));this._textures[i]=new bh({id:i,texture:u})}else this.error("[createTexture] Config missing: id")}},{key:"createTextureSet",value:function(e){var t=e.id;if(null!=t){if(!this._textureSets[t]){var i,r,s,n,o;if(void 0!==e.colorTextureId&&null!==e.colorTextureId){if(!(i=this._textures[e.colorTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.colorTextureId," - ensure that you create it first with createTexture()"))}else i=this._textures.defaultColorTexture;if(void 0!==e.metallicRoughnessTextureId&&null!==e.metallicRoughnessTextureId){if(!(r=this._textures[e.metallicRoughnessTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.metallicRoughnessTextureId," - ensure that you create it first with createTexture()"))}else r=this._textures.defaultMetalRoughTexture;if(void 0!==e.normalsTextureId&&null!==e.normalsTextureId){if(!(s=this._textures[e.normalsTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.normalsTextureId," - ensure that you create it first with createTexture()"))}else s=this._textures.defaultNormalsTexture;if(void 0!==e.emissiveTextureId&&null!==e.emissiveTextureId){if(!(n=this._textures[e.emissiveTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.emissiveTextureId," - ensure that you create it first with createTexture()"))}else n=this._textures.defaultEmissiveTexture;if(void 0!==e.occlusionTextureId&&null!==e.occlusionTextureId){if(!(o=this._textures[e.occlusionTextureId]))return void this.error("[createTextureSet] Texture not found: ".concat(e.occlusionTextureId," - ensure that you create it first with createTexture()"))}else o=this._textures.defaultOcclusionTexture;var a=new yh({id:t,model:this,colorTexture:i,alphaCutoff:e.alphaCutoff,metallicRoughnessTexture:r,normalsTexture:s,emissiveTexture:n,occlusionTexture:o});return this._textureSets[t]=a,a}this.error("[createTextureSet] Texture set already created: ".concat(t))}else this.error("[createTextureSet] Config missing: id")}},{key:"createTransform",value:function(e){if(void 0!==e.id&&null!==e.id)if(this._transforms[e.id])this.error("[createTransform] SceneModel already has a transform with this ID: ".concat(e.id));else{var t;if(!e.parentTransformId||(t=this._transforms[e.parentTransformId])){var i=new Zh({id:e.id,model:this,parent:t,matrix:e.matrix,position:e.position,scale:e.scale,rotation:e.rotation,quaternion:e.quaternion});return this._transforms[i.id]=i,i}this.error("[createTransform] SceneModel.createTransform() config missing: id")}else this.error("[createTransform] SceneModel.createTransform() config missing: id")}},{key:"createMesh",value:function(e){if(void 0===e.id||null===e.id)return this.error("[createMesh] SceneModel.createMesh() config missing: id"),!1;if(this._meshes[e.id])return this.error("[createMesh] SceneModel already has a mesh with this ID: ".concat(e.id)),!1;if(!(void 0!==e.geometryId)){if(void 0!==e.primitive&&null!==e.primitive||(e.primitive="triangles"),"points"!==e.primitive&&"lines"!==e.primitive&&"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)return this.error("Unsupported value for 'primitive': '".concat(primitive,"'  ('geometryId' is absent) - supported values are 'points', 'lines', 'triangles', 'solid' and 'surface'.")),!1;if(!e.positions&&!e.positionsCompressed&&!e.buckets)return this.error("Param expected: 'positions',  'positionsCompressed' or `buckets`  ('geometryId' is absent)"),!1;if(e.positions&&(e.positionsDecodeMatrix||e.positionsDecodeBoundary))return this.error("Illegal params: 'positions' not expected with 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.positionsCompressed&&!e.positionsDecodeMatrix&&!e.positionsDecodeBoundary)return this.error("Param expected: 'positionsCompressed' should be accompanied by 'positionsDecodeMatrix'/'positionsDecodeBoundary' ('geometryId' is absent)"),!1;if(e.uvCompressed&&!e.uvDecodeMatrix)return this.error("Param expected: 'uvCompressed' should be accompanied by `uvDecodeMatrix` ('geometryId' is absent)"),!1;if(!(e.buckets||e.indices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive)){var t=(e.positions||e.positionsCompressed).length/3;e.indices=this._createDefaultIndices(t)}if(!e.buckets&&!e.indices&&"points"!==e.primitive)return e.indices=this._createDefaultIndices(numIndices),this.error("Param expected: indices (required for '".concat(e.primitive,"' primitive type)")),!1;if((e.matrix||e.position||e.rotation||e.scale)&&(e.positionsCompressed||e.positionsDecodeBoundary))return this.error("Unexpected params: 'matrix', 'rotation', 'scale', 'position' not allowed with 'positionsCompressed'"),!1;var i=!(!this._dtxEnabled||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||e.textureSetId);if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var r=e.scale||td,s=e.position||id;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",ed),e.meshMatrix=re.composeMat4(s,ed,r,re.mat4())):e.meshMatrix=re.composeMat4(s,e.quaternion||rd,r,re.mat4())}if(e.positionsDecodeBoundary&&(e.positionsDecodeMatrix=Ja(e.positionsDecodeBoundary,re.mat4())),i){if(e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):nd,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.positions){var n=re.vec3(),o=[];We(e.positions,o,n)&&(e.positions=o,e.origin=re.addVec3(e.origin,n,n))}if(e.positions){var a=re.collapseAABB3();e.positionsDecodeMatrix=re.mat4(),re.expandAABB3Points3(a,e.positions),e.positionsCompressed=Xa(e.positions,a,e.positionsDecodeMatrix),e.aabb=a}else if(e.positionsCompressed){var l=re.collapseAABB3();re.expandAABB3Points3(l,e.positionsCompressed),cr.decompressAABB(l,e.positionsDecodeMatrix),e.aabb=l}if(e.buckets){for(var u=re.collapseAABB3(),c=0,A=e.buckets.length;c<A;c++){var h=e.buckets[c];h.positions?re.expandAABB3Points3(u,h.positions):h.positionsCompressed&&re.expandAABB3Points3(u,h.positionsCompressed)}e.positionsDecodeMatrix&&cr.decompressAABB(u,e.positionsDecodeMatrix),e.aabb=u}e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,$h),re.transformOBB3(e.meshMatrix,$h),re.OBB3ToAABB3($h,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=rr(e.positions,e.indices,null,2):e.edgeIndices=rr(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.buckets||(e.buckets=ad(e,this._enableVertexWelding&&this._enableIndexBucketing))}else{if(e.type=1,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):[255,255,255],e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.positions){var d=[];We(e.positions,d,qh)&&(e.positions=d,e.origin=re.addVec3(e.origin,qh,re.vec3()))}if(e.positions){var p=re.collapseAABB3();e.meshMatrix&&(re.transformPositions3(e.meshMatrix,e.positions,e.positions),e.meshMatrix=null),re.expandAABB3Points3(p,e.positions),e.aabb=p}else{var f=re.collapseAABB3();re.expandAABB3Points3(f,e.positionsCompressed),cr.decompressAABB(f,e.positionsDecodeMatrix),e.aabb=f}if(e.meshMatrix&&(re.AABB3ToOBB3(e.aabb,$h),re.transformOBB3(e.meshMatrix,$h),re.OBB3ToAABB3($h,e.aabb)),e.buckets||e.edgeIndices||"triangles"!==e.primitive&&"solid"!==e.primitive&&"surface"!==e.primitive||(e.positions?e.edgeIndices=rr(e.positions,e.indices,null,2):e.edgeIndices=rr(e.positionsCompressed,e.indices,e.positionsDecodeMatrix,2)),e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId],!e.textureSet))return this.error("[createMesh] Texture set not found: ".concat(e.textureSetId," - ensure that you create it first with createTextureSet()")),!1}}else{if(e.positions||e.positionsCompressed||e.indices||e.edgeIndices||e.normals||e.normalsCompressed||e.uv||e.uvCompressed||e.positionsDecodeMatrix)return this.error("Mesh geometry parameters not expected when instancing a geometry (not expected: positions, positionsCompressed, indices, edgeIndices, normals, normalsCompressed, uv, uvCompressed, positionsDecodeMatrix)"),!1;if(e.geometry=this._geometries[e.geometryId],!e.geometry)return this.error("[createMesh] Geometry not found: ".concat(e.geometryId," - ensure that you create it first with createGeometry()")),!1;if(e.origin=e.origin?re.addVec3(this._origin,e.origin,re.vec3()):this._origin,e.positionsDecodeMatrix=e.geometry.positionsDecodeMatrix,e.transformId){if(e.transform=this._transforms[e.transformId],!e.transform)return this.error("[createMesh] Transform not found: ".concat(e.transformId," - ensure that you create it first with createTransform()")),!1;e.aabb=e.geometry.aabb}else{if(e.matrix)e.meshMatrix=e.matrix;else if(e.scale||e.rotation||e.position||e.quaternion){var v=e.scale||td,g=e.position||id;e.rotation?(re.eulerToQuaternion(e.rotation,"XYZ",ed),e.meshMatrix=re.composeMat4(g,ed,v,re.mat4())):e.meshMatrix=re.composeMat4(g,e.quaternion||rd,v,re.mat4())}re.AABB3ToOBB3(e.geometry.aabb,$h),re.transformOBB3(e.meshMatrix,$h),e.aabb=re.OBB3ToAABB3($h,re.AABB3())}if(!(!this._dtxEnabled||"triangles"!==e.geometry.primitive&&"solid"!==e.geometry.primitive&&"surface"!==e.geometry.primitive||e.textureSetId)){e.type=2,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):nd,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255;var m=this._dtxBuckets[e.geometryId];m||(m=ad(e.geometry,this._enableVertexWelding,this._enableIndexBucketing),this._dtxBuckets[e.geometryId]=m),e.buckets=m}else e.type=0,e.color=e.color?new Uint8Array([Math.floor(255*e.color[0]),Math.floor(255*e.color[1]),Math.floor(255*e.color[2])]):nd,e.opacity=void 0!==e.opacity&&null!==e.opacity?Math.floor(255*e.opacity):255,e.metallic=void 0!==e.metallic&&null!==e.metallic?Math.floor(255*e.metallic):0,e.roughness=void 0!==e.roughness&&null!==e.roughness?Math.floor(255*e.roughness):255,e.textureSetId&&(e.textureSet=this._textureSets[e.textureSetId])}return e.numPrimitives=this._getNumPrimitives(e),this._createMesh(e)}},{key:"_createDefaultIndices",value:function(e){for(var t=[],i=0;i<e;i++)t.push(i);return t}},{key:"_createMesh",value:function(e){var t=new qo(this,e.id,e.color,e.opacity,e.transform,e.textureSet);t.pickId=this.scene._renderer.getPickID(t);var i=t.pickId,r=i>>24&255,s=i>>16&255,n=i>>8&255,o=255&i;switch(e.pickColor=new Uint8Array([o,n,s,r]),e.solid="solid"===e.primitive,t.origin=re.vec3(e.origin),e.type){case 2:t.layer=this._getDTXLayer(e),t.aabb=e.aabb;break;case 1:t.layer=this._getVBOBatchingLayer(e),t.aabb=e.aabb;break;case 0:t.layer=this._getVBOInstancingLayer(e),t.aabb=e.aabb}return e.transform&&(e.meshMatrix=e.transform.worldMatrix),t.portionId=t.layer.createPortion(t,e),t.numPrimitives=e.numPrimitives,this._meshes[e.id]=t,this._unusedMeshes[e.id]=t,this._meshList.push(t),t}},{key:"_getNumPrimitives",value:function(e){var t=0;switch(e.geometry?e.geometry.primitive:e.primitive){case"triangles":case"solid":case"surface":switch(e.type){case 2:for(var i=0,r=e.buckets.length;i<r;i++)t+=e.buckets[i].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/3);case"points":switch(e.type){case 2:for(var s=0,n=e.buckets.length;s<n;s++)t+=e.buckets[s].positionsCompressed.length;break;case 1:t+=e.positions?e.positions.length:e.positionsCompressed.length;break;case 0:var o=e.geometry;t+=o.positions?o.positions.length:o.positionsCompressed.length}return Math.round(t);case"lines":case"line-strip":switch(e.type){case 2:for(var a=0,l=e.buckets.length;a<l;a++)t+=e.buckets[a].indices.length;break;case 1:t+=e.indices.length;break;case 0:t+=e.geometry.indices.length}return Math.round(t/2)}return 0}},{key:"_getDTXLayer",value:function(e){var t=e.origin,i=e.geometry?e.geometry.primitive:e.primitive,r=".".concat(i,".").concat(Math.round(t[0]),".").concat(Math.round(t[1]),".").concat(Math.round(t[2])),s=this._dtxLayers[r];if(s){if(s.canCreatePortion(e))return s;delete this._dtxLayers[r],s=null}switch(i){case"triangles":case"solid":case"surface":s=new _h(this,{layerIndex:0,origin:t,primitive:i});break;case"lines":s=new Jc(this,{layerIndex:0,origin:t,primitive:i});break;default:return}return this._dtxLayers[r]=s,this.layerList.push(s),this._layersToFinalize.push(s),s}},{key:"_getVBOBatchingLayer",value:function(e){var t=this,i=e.origin;e.renderLayer;var r=e.positionsDecodeMatrix||e.positionsDecodeBoundary?this._createHashStringFromMatrix(e.positionsDecodeMatrix||e.positionsDecodeBoundary):"-",s=e.textureSetId||"-",n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(e.primitive,".").concat(r,".").concat(s),o=this._vboBatchingLayers[n];if(o)return o;for(var a=e.textureSet;!o;){switch(e.primitive){case"triangles":case"solid":case"surface":o=new ll({model:t,textureSet:a,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,solid:"solid"===e.primitive,autoNormals:!0,primitive:e.primitive});break;case"lines":o=new mu({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive});break;case"points":o=new nc({model:t,layerIndex:0,scratchMemory:this._vboBatchingLayerScratchMemory,positionsDecodeMatrix:e.positionsDecodeMatrix,uvDecodeMatrix:e.uvDecodeMatrix,origin:i,maxGeometryBatchSize:this._maxGeometryBatchSize,primitive:e.primitive})}var l=e.positionsCompressed?e.positionsCompressed.length:e.positions.length;("points"===e.primitive?o.canCreatePortion(l):o.canCreatePortion(l,e.indices.length))||(o.finalize(),delete this._vboBatchingLayers[n],o=null)}return this._vboBatchingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"_createHashStringFromMatrix",value:function(e){for(var t=e.join(""),i=0,r=0;r<t.length;r++){i=(i<<5)-i+t.charCodeAt(r),i|=0}return(i>>>0).toString(16)}},{key:"_getVBOInstancingLayer",value:function(e){var t=this,i=e.origin,r=e.textureSetId||"-",s=e.geometryId,n="".concat(Math.round(i[0]),".").concat(Math.round(i[1]),".").concat(Math.round(i[2]),".").concat(r,".").concat(s),o=this._vboInstancingLayers[n];if(o)return o;for(var a=e.textureSet,l=e.geometry;!o;)switch(l.primitive){case"triangles":case"surface":o=new $l({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!1});break;case"solid":o=new $l({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0,solid:!0});break;case"lines":o=new Ou({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0});break;case"points":o=new kc({model:t,textureSet:a,geometry:l,origin:i,layerIndex:0})}return this._vboInstancingLayers[n]=o,this.layerList.push(o),this._layersToFinalize.push(o),o}},{key:"createEntity",value:function(e){if(void 0===e.id?e.id=re.createUUID():this.scene.components[e.id]&&(this.error("Scene already has a Component with this ID: ".concat(e.id," - will assign random ID")),e.id=re.createUUID()),void 0!==e.meshIds){var t=0;return this._visible&&!1!==e.visible&&(t|=Ye),this._pickable&&!1!==e.pickable&&(t|=qe),this._culled&&!1!==e.culled&&(t|=Ze),this._clippable&&!1!==e.clippable&&(t|=$e),this._collidable&&!1!==e.collidable&&(t|=et),this._edges&&!1!==e.edges&&(t|=st),this._xrayed&&!1!==e.xrayed&&(t|=tt),this._highlighted&&!1!==e.highlighted&&(t|=it),this._selected&&!1!==e.selected&&(t|=rt),e.flags=t,this._createEntity(e)}this.error("Config missing: meshIds")}},{key:"_createEntity",value:function(e){for(var t=[],i=0,r=e.meshIds.length;i<r;i++){var s=e.meshIds[i],n=this._meshes[s];n?n.parent?this.error('Mesh with ID "'.concat(s,'" already belongs to object with ID "').concat(n.parent.id,'" - ignoring this mesh')):(t.push(n),delete this._unusedMeshes[s]):this.error('Mesh with this ID not found: "'.concat(s,'" - ignoring this mesh'))}var o=new at(this,e.isObject,e.id,t,e.flags,!0);return this._entityList.push(o),this._entities[e.id]=o,this._entitiesToFinalize.push(o),this.numEntities++,o}},{key:"preFinalize",value:function(){if(this.destroyed)return!1;if(0===this._layersToFinalize.length)return!1;this._createDummyEntityForUnusedMeshes();for(var e=0,t=this._layersToFinalize.length;e<t;e++){this._layersToFinalize[e].finalize()}this._vboBatchingLayers={},this._vboInstancingLayers={},this._dtxLayers={},this._layersToFinalize=[];for(var i=0,r=this._entitiesToFinalize.length;i<r;i++){this._entitiesToFinalize[i]._finalize()}for(var s=0,n=this._entitiesToFinalize.length;s<n;s++){this._entitiesToFinalize[s]._finalize2()}this._entitiesToFinalize=[],this.scene._aabbDirty=!0,this._viewMatrixDirty=!0,this._matrixDirty=!0,this._aabbDirty=!0,this._setWorldMatrixDirty(),this._sceneModelDirty(),this.position=this._position,this.layerList.sort((function(e,t){return e.sortId<t.sortId?-1:e.sortId>t.sortId?1:0}));for(var o=0,a=this.layerList.length;o<a;o++){this.layerList[o].layerIndex=o}this.glRedraw(),this._layersFinalized=!0}},{key:"finalize",value:function(){this.destroyed||(this.preFinalize(),this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={})}},{key:"stateSortCompare",value:function(e,t){}},{key:"rebuildRenderFlags",value:function(){this.renderFlags.reset(),this._updateRenderFlagsVisibleLayers(),this.renderFlags.numLayers>0&&0===this.renderFlags.numVisibleLayers?this.renderFlags.culled=!0:this._updateRenderFlags()}},{key:"_updateRenderFlagsVisibleLayers",value:function(){var e=this.renderFlags;e.numLayers=this.layerList.length,e.numVisibleLayers=0;for(var t=0,i=this.layerList.length;t<i;t++){var r=this.layerList[t];this._getActiveSectionPlanesForLayer(r)&&(e.visibleLayers[e.numVisibleLayers++]=t)}}},{key:"_createDummyEntityForUnusedMeshes",value:function(){var e=Object.keys(this._unusedMeshes);if(e.length>0){var t="".concat(this.id,"-").concat(re.createUUID());this.warn('Creating dummy SceneModelEntity "'.concat(t,'" for unused SceneMeshes: [').concat(e.join(","),"]")),this.createEntity({id:t,meshIds:e,isObject:!0})}this._unusedMeshes={}}},{key:"_getActiveSectionPlanesForLayer",value:function(e){var t=this.renderFlags,i=this.scene._sectionPlanesState.sectionPlanes,r=i.length,s=e.layerIndex*r;if(r>0)for(var n=0;n<r;n++){i[n].active?(t.sectionPlanesActivePerLayer[s+n]=!0,t.sectioned=!0):t.sectionPlanesActivePerLayer[s+n]=!1}return!0}},{key:"_updateRenderFlags",value:function(){if(0!==this.numVisibleLayerPortions&&this.numCulledLayerPortions!==this.numPortions){var e=this.renderFlags;if(e.colorOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.colorTransparent=!0),this.numXRayedLayerPortions>0){var t=this.scene.xrayMaterial._state;t.fill&&(t.fillAlpha<1?e.xrayedSilhouetteTransparent=!0:e.xrayedSilhouetteOpaque=!0),t.edges&&(t.edgeAlpha<1?e.xrayedEdgesTransparent=!0:e.xrayedEdgesOpaque=!0)}if(this.numEdgesLayerPortions>0)this.scene.edgeMaterial._state.edges&&(e.edgesOpaque=this.numTransparentLayerPortions<this.numPortions,this.numTransparentLayerPortions>0&&(e.edgesTransparent=!0));if(this.numSelectedLayerPortions>0){var i=this.scene.selectedMaterial._state;i.fill&&(i.fillAlpha<1?e.selectedSilhouetteTransparent=!0:e.selectedSilhouetteOpaque=!0),i.edges&&(i.edgeAlpha<1?e.selectedEdgesTransparent=!0:e.selectedEdgesOpaque=!0)}if(this.numHighlightedLayerPortions>0){var r=this.scene.highlightMaterial._state;r.fill&&(r.fillAlpha<1?e.highlightedSilhouetteTransparent=!0:e.highlightedSilhouetteOpaque=!0),r.edges&&(r.edgeAlpha<1?e.highlightedEdgesTransparent=!0:e.highlightedEdgesOpaque=!0)}}}},{key:"drawColorOpaque",value:function(e,t){for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r];this.layerList[n].drawColorOpaque(i,e)}}},{key:"drawColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawColorTransparent(t,e)}}},{key:"drawDepth",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawDepth(t,e)}}},{key:"drawNormals",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawNormals(t,e)}}},{key:"drawSilhouetteXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteXRayed(t,e)}}},{key:"drawSilhouetteHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteHighlighted(t,e)}}},{key:"drawSilhouetteSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawSilhouetteSelected(t,e)}}},{key:"drawEdgesColorOpaque",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorOpaque(t,e)}}},{key:"drawEdgesColorTransparent",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesColorTransparent(t,e)}}},{key:"drawEdgesXRayed",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesXRayed(t,e)}}},{key:"drawEdgesHighlighted",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesHighlighted(t,e)}}},{key:"drawEdgesSelected",value:function(e){for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawEdgesSelected(t,e)}}},{key:"drawOcclusion",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawOcclusion(t,e)}}},{key:"drawShadow",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawShadow(t,e)}}},{key:"setPickMatrices",value:function(e,t){if(0!==this._numVisibleLayerPortions)for(var i=this.renderFlags,r=0,s=i.visibleLayers.length;r<s;r++){var n=i.visibleLayers[r],o=this.layerList[n];o.setPickMatrices&&o.setPickMatrices(e,t)}}},{key:"drawPickMesh",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickMesh(t,e)}}},{key:"drawPickDepths",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickDepths(t,e)}}},{key:"drawPickNormals",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i];this.layerList[s].drawPickNormals(t,e)}}},{key:"drawSnapInit",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnapInit&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnapInit(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"drawSnap",value:function(e){if(0!==this.numVisibleLayerPortions)for(var t=this.renderFlags,i=0,r=t.visibleLayers.length;i<r;i++){var s=t.visibleLayers[i],n=this.layerList[s];n.drawSnap&&(e.snapPickOrigin=[0,0,0],e.snapPickCoordinateScale=[1,1,1],e.snapPickLayerNumber++,n.drawSnap(t,e),e.snapPickLayerParams[e.snapPickLayerNumber]={origin:e.snapPickOrigin.slice(),coordinateScale:e.snapPickCoordinateScale.slice()})}}},{key:"destroy",value:function(){for(var e in this._vboBatchingLayers)this._vboBatchingLayers.hasOwnProperty(e)&&this._vboBatchingLayers[e].destroy();for(var t in this._vboBatchingLayers={},this._vboInstancingLayers)this._vboInstancingLayers.hasOwnProperty(t)&&this._vboInstancingLayers[t].destroy();this._vboInstancingLayers={},this.scene.camera.off(this._onCameraViewMatrix),this.scene.off(this._onTick);for(var r=0,s=this.layerList.length;r<s;r++)this.layerList[r].destroy();this.layerList=[];for(var n=0,o=this._entityList.length;n<o;n++)this._entityList[n]._destroy();this._layersToFinalize={},this._geometries={},this._dtxBuckets={},this._textures={},this._textureSets={},this._meshes={},this._entities={},this.scene._aabbDirty=!0,this._isModel&&this.scene._deregisterModel(this),0!==ea&&0==--ea&&$o._clear(),h(_(i.prototype),"destroy",this).call(this)}}]),i}();function ad(e,t,i){var r,s,n,o;if(t||i){var a=b(Lh({positionsCompressed:e.positionsCompressed,indices:e.indices,edgeIndices:e.edgeIndices}),3);r=a[0],s=a[1],n=a[2]}else r=e.positionsCompressed,s=e.indices,n=e.edgeIndices;i?o=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=e.positionsCompressed||[],s=Nh(e.indices||[],t),n=Hh(e.edgeIndices||[]);function o(e,t){if(e>t){var i=e;e=t,t=i}function r(i,r){return i!==e?e-i:r!==t?t-r:0}for(var s=0,o=(n.length>>1)-1;s<=o;){var a=o+s>>1,l=r(n[2*a],n[2*a+1]);if(l>0)s=a+1;else{if(!(l<0))return a;o=a-1}}return-s-1}var a=new Int32Array(n.length/2);a.fill(0);var l=r.length/3;if(l>8*(1<<t))return[e];var u=new Int32Array(l);u.fill(-1);var c=[];function A(){u.fill(-1);var e={positionsCompressed:[],indices:[],edgeIndices:[],maxNumPositions:(1<<t)-t,numPositions:0,bucketNumber:c.length};return c.push(e),e}for(var h=A(),d=0,p=s.length;d<p;d+=3){var f=0,v=s[d],g=s[d+1],m=s[d+2];if(-1===u[v]&&f++,-1===u[g]&&f++,-1===u[m]&&f++,f+h.numPositions>h.maxNumPositions&&(h=A()),h.bucketNumber>8)return[e];-1===u[v]&&(u[v]=h.numPositions++,h.positionsCompressed.push(r[3*v]),h.positionsCompressed.push(r[3*v+1]),h.positionsCompressed.push(r[3*v+2])),-1===u[g]&&(u[g]=h.numPositions++,h.positionsCompressed.push(r[3*g]),h.positionsCompressed.push(r[3*g+1]),h.positionsCompressed.push(r[3*g+2])),-1===u[m]&&(u[m]=h.numPositions++,h.positionsCompressed.push(r[3*m]),h.positionsCompressed.push(r[3*m+1]),h.positionsCompressed.push(r[3*m+2])),h.indices.push(u[v]),h.indices.push(u[g]),h.indices.push(u[m]);var _=void 0;(_=o(v,g))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(v,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]])),(_=o(g,m))>=0&&0===a[_]&&(a[_]=1,h.edgeIndices.push(u[n[2*_]]),h.edgeIndices.push(u[n[2*_+1]]))}var y=t/8*2,b=t/8,B=2*r.length+(s.length+n.length)*y,w=0;return r.length,c.forEach((function(e){w+=2*e.positionsCompressed.length+(e.indices.length+e.edgeIndices.length)*b,e.positionsCompressed.length})),w>B?[e]:(i&&jh(c,e),c)}({positionsCompressed:r,indices:s,edgeIndices:n},r.length/3>65536?16:8):o=[{positionsCompressed:r,indices:s,edgeIndices:n}];return o}var ld=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,e,s))._positions=s.positions||[],s.indices)r._indices=s.indices;else{r._indices=[];for(var n=0,o=r._positions.length/3-1;n<o;n+=2)r._indices.push(n),r._indices.push(n+1)}return r._sceneModel=new od(m(r),{isModel:!1}),r._sceneModel.createMesh({id:"linesMesh",primitive:"lines",positions:r._positions,indices:r._indices}),r._sceneModel.createEntity({meshIds:["linesMesh"],visible:s.visible,clippable:s.clippable,collidable:s.collidable}),r._sceneModel.finalize(),r.scene._lineSetCreated(m(r)),r}return C(i,[{key:"visible",get:function(){return this._sceneModel.visible},set:function(e){this._sceneModel.visible=e}},{key:"positions",get:function(){return this._positions}},{key:"indices",get:function(){return this._indices}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this.scene._lineSetDestroyed(this)}}]),i}(),ud=re.vec3(),cd=re.vec3(),Ad=re.vec3(),hd=re.vec3(),dd=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"BCFViewpoints",e,s)).originatingSystem=s.originatingSystem||"xeokit.io",r.authoringTool=s.authoringTool||"xeokit.io",r}return C(i,[{key:"getViewpoint",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},i=this.viewer.scene,r=i.camera,s=i.realWorldOffset,n=!0===t.reverseClippingPlanes,o={},a=re.normalizeVec3(re.subVec3(r.look,r.eye,re.vec3())),l=r.eye,u=r.up;r.yUp&&(a=vd(a),l=vd(l),u=vd(u));var c=pd(re.addVec3(l,s));"ortho"===r.projection?o.orthogonal_camera={camera_view_point:c,camera_direction:pd(a),camera_up_vector:pd(u),view_to_world_scale:r.ortho.scale}:o.perspective_camera={camera_view_point:c,camera_direction:pd(a),camera_up_vector:pd(u),field_of_view:r.perspective.fov};var A=i.sectionPlanes;for(var h in A)if(A.hasOwnProperty(h)){var d=A[h];if(!d.active)continue;var p=d.pos,f=void 0;f=n?re.negateVec3(d.dir,re.vec3()):d.dir,r.yUp&&(p=vd(p),f=vd(f)),re.addVec3(p,s),p=pd(p),f=pd(f),o.clipping_planes||(o.clipping_planes=[]),o.clipping_planes.push({location:p,direction:f})}var v=i.lineSets;for(var g in v)if(v.hasOwnProperty(g)){var m=v[g];o.lines||(o.lines=[]);for(var _=m.positions,y=m.indices,B=0,w=y.length/2;B<w;B++){var P=y[2*B],x=y[2*B+1];o.lines.push({start_point:{x:_[3*P+0],y:_[3*P+1],z:_[3*P+2]},end_point:{x:_[3*x+0],y:_[3*x+1],z:_[3*x+2]}})}}var C=i.bitmaps;for(var M in C)if(C.hasOwnProperty(M)){var E=C[M],F=E.pos,k=E.normal,I=E.up;r.yUp&&(F=vd(F),k=vd(k),I=vd(I)),re.addVec3(F,s),o.bitmaps||(o.bitmaps=[]),o.bitmaps.push({bitmap_type:E.type,bitmap_data:E.imageData,location:pd(F),normal:pd(k),up:pd(I),height:E.height})}o.components={visibility:{view_setup_hints:{spaces_visible:!!t.spacesVisible,space_boundaries_visible:!!t.spaceBoundariesVisible,openings_visible:!!t.openingsVisible,spaces_translucent:!!t.spaces_translucent,space_boundaries_translucent:!!t.space_boundaries_translucent,openings_translucent:!!t.openings_translucent}}};var D=new Set(i.opacityObjectIds),S=new Set(i.xrayedObjectIds),T=new Set(i.colorizedObjectIds),R=Object.values(i.objects).filter((function(e){return D.has(e.id)||T.has(e.id)||S.has(e.id)})).reduce((function(t,r){var s,n=md(r.colorize);r.xrayed?(s=0===i.xrayMaterial.fillAlpha&&0!==i.xrayMaterial.edgeAlpha?.1:i.xrayMaterial.fillAlpha,n=(s=Math.round(255*s).toString(16).padStart(2,"0"))+n):D.has(r.id)&&(n=(s=Math.round(255*r.opacity).toString(16).padStart(2,"0"))+n),t[n]||(t[n]=[]);var o=r.id,a=r.originalSystemId,l={ifc_guid:a,originating_system:e.originatingSystem};return a!==o&&(l.authoring_tool_id=o),t[n].push(l),t}),{}),L=Object.entries(R).map((function(e){var t=b(e,2);return{color:t[0],components:t[1]}}));o.components.coloring=L;var U=i.objectIds,O=i.visibleObjects,N=i.visibleObjectIds,Q=U.filter((function(e){return!O[e]})),V=i.selectedObjectIds;return t.defaultInvisible||N.length<Q.length?(o.components.visibility.exceptions=this._createBCFComponents(N),o.components.visibility.default_visibility=!1):(o.components.visibility.exceptions=this._createBCFComponents(Q),o.components.visibility.default_visibility=!0),o.components.selection=this._createBCFComponents(V),o.components.translucency=this._createBCFComponents(i.xrayedObjectIds),!1!==t.snapshot&&(o.snapshot={snapshot_type:"png",snapshot_data:this.viewer.getSnapshot({format:"png"})}),o}},{key:"_createBCFComponents",value:function(e){for(var t=this.viewer.scene,i=[],r=0,s=e.length;r<s;r++){var n=e[r],o=t.objects[n];if(o){var a={ifc_guid:o.originalSystemId,originating_system:this.originatingSystem};o.originalSystemId!==n&&(a.authoring_tool_id=n),i.push(a)}}return i}},{key:"setViewpoint",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(e){var r=this.viewer,s=r.scene,n=s.camera,o=!1!==i.rayCast,a=!1!==i.immediate,l=!1!==i.reset,u=s.realWorldOffset,c=!0===i.reverseClippingPlanes;if(s.clearSectionPlanes(),e.clipping_planes&&e.clipping_planes.length>0&&e.clipping_planes.forEach((function(e){var t=fd(e.location,ud),i=fd(e.direction,ud);c&&re.negateVec3(i),re.subVec3(t,u),n.yUp&&(t=gd(t),i=gd(i)),new zn(s,{pos:t,dir:i})})),s.clearLines(),e.lines&&e.lines.length>0){var A=[],h=[],d=0;e.lines.forEach((function(e){e.start_point&&e.end_point&&(A.push(e.start_point.x),A.push(e.start_point.y),A.push(e.start_point.z),A.push(e.end_point.x),A.push(e.end_point.y),A.push(e.end_point.z),h.push(d++),h.push(d++))})),new ld(s,{positions:A,indices:h,clippable:!1,collidable:!0})}if(s.clearBitmaps(),e.bitmaps&&e.bitmaps.length>0&&e.bitmaps.forEach((function(e){var t=e.bitmap_type||"jpg",i=e.bitmap_data,r=fd(e.location,cd),o=fd(e.normal,Ad),a=fd(e.up,hd),l=e.height||1;t&&i&&r&&o&&a&&(n.yUp&&(r=gd(r),o=gd(o),a=gd(a)),new To(s,{src:i,type:t,pos:r,normal:o,up:a,clippable:!1,collidable:!0,height:l}))})),l&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),s.setObjectsHighlighted(s.highlightedObjectIds,!1),s.setObjectsSelected(s.selectedObjectIds,!1)),e.components){if(e.components.visibility){e.components.visibility.default_visibility?(s.setObjectsVisible(s.objectIds,!0),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!1}))}))):(s.setObjectsVisible(s.objectIds,!1),e.components.visibility.exceptions&&e.components.visibility.exceptions.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.visible=!0}))})));var p=e.components.visibility.view_setup_hints;p&&(!1===p.spaces_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcSpace"),!1),void 0!==p.spaces_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcSpace"),!0),p.space_boundaries_visible,!1===p.openings_visible&&s.setObjectsVisible(r.metaScene.getObjectIDsByType("IfcOpening"),!0),p.space_boundaries_translucent,void 0!==p.openings_translucent&&s.setObjectsXRayed(r.metaScene.getObjectIDsByType("IfcOpening"),!0))}e.components.selection&&(s.setObjectsSelected(s.selectedObjectIds,!1),e.components.selection.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.selected=!0}))}))),e.components.translucency&&(s.setObjectsXRayed(s.xrayedObjectIds,!1),e.components.translucency.forEach((function(e){return t._withBCFComponent(i,e,(function(e){return e.xrayed=!0}))}))),e.components.coloring&&e.components.coloring.forEach((function(e){var r=e.color,s=0,n=!1;8===r.length&&((s=parseInt(r.substring(0,2),16)/256)<=1&&s>=.95&&(s=1),r=r.substring(2),n=!0);var o=[parseInt(r.substring(0,2),16)/256,parseInt(r.substring(2,4),16)/256,parseInt(r.substring(4,6),16)/256];e.components.map((function(e){return t._withBCFComponent(i,e,(function(e){e.colorize=o,n&&(e.opacity=s)}))}))}))}if(e.perspective_camera||e.orthogonal_camera){var f,v,g,m;if(e.perspective_camera?(f=fd(e.perspective_camera.camera_view_point,ud),v=fd(e.perspective_camera.camera_direction,ud),g=fd(e.perspective_camera.camera_up_vector,ud),n.perspective.fov=e.perspective_camera.field_of_view,m="perspective"):(f=fd(e.orthogonal_camera.camera_view_point,ud),v=fd(e.orthogonal_camera.camera_direction,ud),g=fd(e.orthogonal_camera.camera_up_vector,ud),n.ortho.scale=e.orthogonal_camera.view_to_world_scale,m="ortho"),re.subVec3(f,u),n.yUp&&(f=gd(f),v=gd(v),g=gd(g)),o){var _=s.pick({pickSurface:!0,origin:f,direction:v});v=_?_.worldPos:re.addVec3(f,v,ud)}else v=re.addVec3(f,v,ud);a?(n.eye=f,n.look=v,n.up=g,n.projection=m):r.cameraFlight.flyTo({eye:f,look:v,up:g,duration:i.duration,projection:m})}}}},{key:"_withBCFComponent",value:function(e,t,i){var r=this.viewer,s=r.scene;if(t.authoring_tool_id&&t.originating_system===this.originatingSystem){var n=t.authoring_tool_id,o=s.objects[n];if(o)return void i(o);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[n])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}if(t.ifc_guid){var a=t.ifc_guid,l=s.objects[a];if(l)return void i(l);if(e.updateCompositeObjects)if(r.metaScene.metaObjects[a])return void s.withObjects(r.metaScene.getObjectIDsInSubtree(a),i);Object.keys(s.models).forEach((function(t){var n=re.globalizeObjectId(t,a),o=s.objects[n];o?i(o):e.updateCompositeObjects&&r.metaScene.metaObjects[n]&&s.withObjects(r.metaScene.getObjectIDsInSubtree(n),i)}))}}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this)}}]),i}();function pd(e){return{x:e[0],y:e[1],z:e[2]}}function fd(e,t){return(t=new Float64Array(3))[0]=e.x,t[1]=e.y,t[2]=e.z,t}function vd(e){return new Float64Array([e[0],-e[2],e[1]])}function gd(e){return new Float64Array([e[0],e[2],-e[1]])}function md(e){var t="";return t+=Math.round(255*e[0]).toString(16).padStart(2,"0"),t+=Math.round(255*e[1]).toString(16).padStart(2,"0"),t+=Math.round(255*e[2]).toString(16).padStart(2,"0")}var _d=re.vec3(),yd=re.vec3(),bd=re.vec3();re.vec4(),re.vec4(),re.vec4();var Bd=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=e.viewer.scene;(r=t.call(this,n,s)).plugin=e;var o=s.container;if(!o)throw"config missing: container";r._color=s.color||e.defaultColor;var a=function(e,t){var i=[],r=void 0!==e?Boolean(e):t;return{reg:function(e){return i.push(e)},get:function(){return r},set:function(e){r=void 0!==e?Boolean(e):t,i.forEach((function(e){return e(r)}))}}};r._visible=a(s.visible,e.defaultVisible),r._originVisible=a(s.originVisible,e.defaultOriginVisible),r._targetVisible=a(s.targetVisible,e.defaultTargetVisible),r._axisVisible=a(s.axisVisible,e.defaultAxisVisible),r._xAxisVisible=a(s.xAxisVisible,e.defaultAxisVisible),r._yAxisVisible=a(s.yAxisVisible,e.defaultAxisVisible),r._zAxisVisible=a(s.zAxisVisible,e.defaultAxisVisible),r._axisEnabled=a(!0,e.defaultAxisVisible),r._wireVisible=a(s.wireVisible,e.defaultWireVisible),r._xLabelEnabled=a(s.xLabelEnabled,e.defaultXLabelEnabled),r._yLabelEnabled=a(s.yLabelEnabled,e.defaultYLabelEnabled),r._zLabelEnabled=a(s.zLabelEnabled,e.defaultZLabelEnabled),r._lengthLabelEnabled=a(s.lengthLabelEnabled,e.defaultLengthLabelEnabled),r._labelsVisible=a(s.labelsVisible,e.defaultLabelsVisible),r._clickable=a(!1,!1),r._labelsOnWires=a(s.labelsOnWires,e.defaultLabelsOnWires),r._useRotationAdjustment=a(s.useRotationAdjustment,e.useRotationAdjustment),r._axesBasis=re.identityMat4(),r.approximate=s.approximate;var l=n.canvas.canvas,u=s.onMouseOver?function(e){s.onMouseOver(e,m(r)),l.dispatchEvent(new MouseEvent("mouseover",e))}:null,c=s.onMouseLeave?function(e){s.onMouseLeave(e,m(r)),l.dispatchEvent(new MouseEvent("mouseleave",e))}:null,A=s.onContextMenu?function(e){s.onContextMenu(e,m(r))}:null,h=function(e){return l.dispatchEvent(new MouseEvent("mousedown",e))},d=function(e){return l.dispatchEvent(new MouseEvent("mouseup",e))},p=function(e){return l.dispatchEvent(new MouseEvent("mousemove",e))},f=function(e){return l.dispatchEvent(new WheelEvent("wheel",e))};r._cleanups=[],["units","scale"].forEach((function(e){var t=n.metrics.on("units",(function(){return r._update()}));r._cleanups.push((function(){return n.metrics.off(t)}))})),r._drawables=[];var v=function(e,t){var i=function(){return e.setVisible(t.every((function(e){return e.get()})))};t.forEach((function(e){return e.reg(i)})),r._drawables.push(e),r._cleanups.push((function(){return e.destroy()}))},g=function(t,i,r){var s=new Ft(n,o,{color:t,thickness:i,thicknessClickable:6,zIndex:void 0!==e.zIndex?e.zIndex+1:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return v(s,r),{setEnds:function(e,t){return s.setEnds(e,t)},setColor:function(e){return s.setColor(e)}}};r._lengthWire=g(r._color,2,[r._visible,r._wireVisible]),r._xAxisWire=g("red",1,[r._visible,r._axisEnabled,r._axisVisible,r._xAxisVisible]),r._yAxisWire=g("green",1,[r._visible,r._axisEnabled,r._axisVisible,r._yAxisVisible]),r._zAxisWire=g("blue",1,[r._visible,r._axisEnabled,r._axisVisible,r._zAxisVisible]);var _=function(t,i,r){var s=new Et(n,o,{fillColor:t,zIndex:void 0!==e.zIndex?e.zIndex+i:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return v(s,r),{setFillColor:function(e){return s.setFillColor(e)},setPosOnWire:function(e,t,i,r){return s.setPosOnWire(e,t,i,r)},setPosBetween:function(e,t,i){return s.setPosBetween(e,t,i)},setText:function(e){return s.setText(e.replace(/ /g,"&nbsp;"))}}};r._lengthLabel=_(r._color,4,[r._visible,r._wireVisible,r._labelsVisible,r._clickable,r._axisEnabled,r._lengthLabelEnabled]),r._xAxisLabel=_("red",3,[r._visible,r._axisEnabled,r._axisVisible,r._xAxisVisible,r._labelsVisible,r._clickable,r._xLabelEnabled]),r._yAxisLabel=_("green",3,[r._visible,r._axisEnabled,r._axisVisible,r._yAxisVisible,r._labelsVisible,r._clickable,r._yLabelEnabled]),r._zAxisLabel=_("blue",3,[r._visible,r._axisEnabled,r._axisVisible,r._zAxisVisible,r._labelsVisible,r._clickable,r._zLabelEnabled]);var y=function(t,i){var s=new Mt(n,t,o,{fillColor:r._color,zIndex:void 0!==e.zIndex?e.zIndex+2:void 0,onMouseOver:u,onMouseLeave:c,onMouseWheel:f,onMouseDown:h,onMouseUp:d,onMouseMove:p,onContextMenu:A});return s.on("worldPos",(function(){return r._update()})),v(s,i),s};return r._originDot=y(s.origin,[r._visible,r._originVisible]),r._targetDot=y(s.target,[r._visible,r._targetVisible]),r._update(),r}return C(i,[{key:"_update",value:function(){var e=this;if(this._targetDot){var t=this._originDot.worldPos,i=this._targetDot.worldPos,r=this._axesBasis,s=re.subVec3(i,t,_d),n=re.transformVec3(r,s,s),o=this._useRotationAdjustment.get()&&Math.abs(s[1])>0,a=function(r,s){var n=e.plugin.viewer.scene.metrics,a=n.scale,l=n.unitsInfo[n.units].abbrev,u=function(r,s,n,o){e._labelsOnWires.get()?r.setPosOnWire(s,n,0,e.plugin.labelMinAxisLength):r.setPosOnWire(t,i,35*o,0)},c=function(t){return(e._approximate?" ~ ":" = ")+t.toFixed(2)+l};e._xAxisWire.setEnds(t,r),u(e._xAxisLabel,t,r,1),e._xAxisLabel.setText("X"+c(re.distVec3(t,r)*a)),e._yAxisWire.setEnds(r,s),u(e._yAxisLabel,r,s,2),e._yAxisLabel.setText("Y"+c(re.distVec3(r,s)*a)),e._zAxisWire.setEnds(s,i),u(e._zAxisLabel,s,i,3),e._zAxisLabel.setText((o?"":"Z")+c(re.distVec3(s,i)*a)),e._lengthWire.setEnds(t,i),u(e._lengthLabel,t,i,0),e._length=re.distVec3(t,i)*a,e._lengthLabel.setText(c(e._length))};o?(bd[0]=t[0],bd[1]=i[1],bd[2]=t[2],a(t,bd)):(yd[0]=t[0]+r[0]*n[0],yd[1]=t[1]+r[4]*n[0],yd[2]=t[2]+r[8]*n[0],bd[0]=yd[0]+r[1]*n[1],bd[1]=yd[1]+r[5]*n[1],bd[2]=yd[2]+r[9]*n[1],a(yd,bd))}}},{key:"axesBasis",get:function(){return this._axesBasis},set:function(e){this._axesBasis.set(e),this._update()}},{key:"approximate",get:function(){return this._approximate},set:function(e){e=!1!==e,this._approximate!==e&&(this._approximate=e,this._update())}},{key:"origin",get:function(){return this._originDot}},{key:"target",get:function(){return this._targetDot}},{key:"length",get:function(){return this._length}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._originDot.setFillColor(e),this._targetDot.setFillColor(e),this._lengthWire.setColor(e),this._lengthLabel.setFillColor(e)}},{key:"visible",get:function(){return this._visible.get()},set:function(e){this._visible.set(e)}},{key:"originVisible",get:function(){return this._originVisible.get()},set:function(e){this._originVisible.set(e)}},{key:"targetVisible",get:function(){return this._targetVisible.get()},set:function(e){this._targetVisible.set(e)}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment.get()},set:function(e){this._useRotationAdjustment.set(e),this._update()}},{key:"axisEnabled",get:function(){return this._axisEnabled.get()},set:function(e){this._axisEnabled.set(e)}},{key:"axisVisible",get:function(){return this._axisVisible.get()},set:function(e){this._axisVisible.set(e)}},{key:"xAxisVisible",get:function(){return this._xAxisVisible.get()},set:function(e){this._xAxisVisible.set(e)}},{key:"yAxisVisible",get:function(){return this._yAxisVisible.get()},set:function(e){this._yAxisVisible.set(e)}},{key:"zAxisVisible",get:function(){return this._zAxisVisible.get()},set:function(e){this._zAxisVisible.set(e)}},{key:"wireVisible",get:function(){return this._wireVisible.get()},set:function(e){this._wireVisible.set(e)}},{key:"labelsVisible",get:function(){return this._labelsVisible.get()},set:function(e){this._labelsVisible.set(e)}},{key:"xLabelEnabled",get:function(){return this._xLabelEnabled.get()},set:function(e){this._xLabelEnabled.set(e)}},{key:"yLabelEnabled",get:function(){return this._yLabelEnabled.get()},set:function(e){this._yLabelEnabled.set(e)}},{key:"zLabelEnabled",get:function(){return this._zLabelEnabled.get()},set:function(e){this._zLabelEnabled.set(e)}},{key:"lengthLabelEnabled",get:function(){return this._lengthLabelEnabled.get()},set:function(e){this._lengthLabelEnabled.set(e)}},{key:"labelsOnWires",get:function(){return this._labelsOnWires.get()},set:function(e){this._labelsOnWires.set(e),this._update()}},{key:"setHighlighted",value:function(e){this._drawables.forEach((function(t){return t.setHighlighted(e)}))}},{key:"clickable",get:function(){return this._clickable.get()},set:function(e){var t=this;this._clickable.set(!!e),this._drawables.forEach((function(e){return e.setClickable(t._clickable.get())}))}},{key:"destroy",value:function(){this._cleanups.forEach((function(e){return e()})),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),wd=function(e){p(i,Ce);var t=v(i);function i(){return P(this,i),t.apply(this,arguments)}return C(i,[{key:"active",get:function(){}},{key:"snapping",get:function(){return!0},set:function(e){}},{key:"activate",value:function(){}},{key:"deactivate",value:function(){}},{key:"reset",value:function(){}},{key:"currentMeasurement",get:function(){return null}},{key:"destroy",value:function(){}}]),i}(),Pd=function(e){p(i,wd);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e.viewer.scene))._canvasToPagePos=s.canvasToPagePos,r.pointerLens=s.pointerLens,r._active=!1,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._initMarkerDiv(),r._snapping=!1!==s.snapping,r._mouseState=0,r._attachPlugin(e,s),r}return C(i,[{key:"_initMarkerDiv",value:function(){var e=document.createElement("div"),t=this.scene.canvas.canvas;t.parentNode.insertBefore(e,t),e.style.background="black",e.style.border="2px solid blue",e.style.borderRadius="10px",e.style.width="5px",e.style.height="5px",e.style.top="-200px",e.style.left="-200px",e.style.margin="0 0",e.style.zIndex="100",e.style.position="absolute",e.style.pointerEvents="none",this._markerDiv=e}},{key:"_destroyMarkerDiv",value:function(){this._markerDiv&&(this._markerDiv.parentNode.removeChild(this._markerDiv),this._markerDiv=null)}},{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){this._markerDiv||this._initMarkerDiv(),this.fire("activated",!0);var t=this.distanceMeasurementsPlugin,i=this.scene,r=t.viewer.cameraControl,s=i.canvas.canvas;i.input;var n,o,a=!1,l=re.vec3(),u=re.vec2(),c=null;this._mouseState=0;var A=re.vec2(),h=function(t){var i=t.snappedCanvasPos||t.canvasPos;if(a=!0,l.set(t.worldPos),u.set(t.canvasPos),0===e._mouseState){if(e._canvasToPagePos)e._canvasToPagePos(s,i,A),e._markerDiv.style.left="".concat(A[0]-5,"px"),e._markerDiv.style.top="".concat(A[1]-5,"px");else{var r=re.vec2(i);wt(s,e._markerDiv.parentNode,r),e._markerDiv.style.left="".concat(r[0]-5,"px"),e._markerDiv.style.top="".concat(r[1]-5,"px")}e._markerDiv.style.background="pink",t.snappedToVertex||t.snappedToEdge?(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos,e.pointerLens.snapped=!0),e._markerDiv.style.background="greenyellow",e._markerDiv.style.border="2px solid green"):(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.canvasPos,e.pointerLens.snapped=!1),e._markerDiv.style.background="pink",e._markerDiv.style.border="2px solid red"),c=t.entity}else e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px";s.style.cursor="pointer",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=e._currentDistanceMeasurementInitState.wireVisible,e._currentDistanceMeasurement.axisVisible=e._currentDistanceMeasurementInitState.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurement.xAxisVisible=e._currentDistanceMeasurementInitState.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurement.yAxisVisible=e._currentDistanceMeasurementInitState.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurement.zAxisVisible=e._currentDistanceMeasurementInitState.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurement.targetVisible=e._currentDistanceMeasurementInitState.targetVisible,e._currentDistanceMeasurement.target.worldPos=l.slice(),e._markerDiv.style.left="-10000px",e._markerDiv.style.top="-10000px")};this._onHoverSnapOrSurface=r.on("hoverSnapOrSurface",(function(t){e._snapping&&h(t)})),this._onHoverSurface=r.on("hoverSurface",(function(t){e._snapping||h(t)})),s.addEventListener("mousedown",this._onMouseDown=function(e){1===e.which&&(n=e.clientX,o=e.clientY)}),s.addEventListener("mouseup",this._onMouseUp=function(i){1===i.which&&(i.clientX>n+20||i.clientX<n-20||i.clientY>o+20||i.clientY<o-20||(e._currentDistanceMeasurement?a?(e._currentDistanceMeasurement.target.entity=c,c=null,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):(e._currentDistanceMeasurement.destroy(),e.distanceMeasurementsPlugin.fire("measurementCancel",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,c=null):a&&(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:l.slice(),entity:c},target:{worldPos:l.slice(),entity:c},approximate:!0}),e._currentDistanceMeasurementInitState.axisVisible=e._currentDistanceMeasurement.axisVisible&&e.distanceMeasurementsPlugin.defaultAxisVisible,e._currentDistanceMeasurementInitState.xAxisVisible=e._currentDistanceMeasurement.xAxisVisible&&e.distanceMeasurementsPlugin.defaultXAxisVisible,e._currentDistanceMeasurementInitState.yAxisVisible=e._currentDistanceMeasurement.yAxisVisible&&e.distanceMeasurementsPlugin.defaultYAxisVisible,e._currentDistanceMeasurementInitState.zAxisVisible=e._currentDistanceMeasurement.zAxisVisible&&e.distanceMeasurementsPlugin.defaultZAxisVisible,e._currentDistanceMeasurementInitState.wireVisible=e._currentDistanceMeasurement.wireVisible,e._currentDistanceMeasurementInitState.targetVisible=e._currentDistanceMeasurement.targetVisible,e._currentDistanceMeasurement.clickable=!1,e._currentDistanceMeasurement.origin.entity=c,c=null,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement))))});var d=function(t){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=t.canvasPos,e.pointerLens.snappedCanvasPos=t.snappedCanvasPos||t.canvasPos),a=!1,e._markerDiv.style.left="-100px",e._markerDiv.style.top="-100px",e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.axisVisible=!1),s.style.cursor="default"};this._onHoverSnapOrSurfaceOff=r.on("hoverSnapOrSurfaceOff",(function(t){e._snapping&&d(t)})),this._onHoverOff=r.on("hoverOff",(function(t){e._snapping||d(t)})),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.fire("activated",!1),this.pointerLens&&(this.pointerLens.visible=!1),this.reset();var e=this.scene.canvas.canvas;e.removeEventListener("mousedown",this._onMouseDown),e.removeEventListener("mouseup",this._onMouseUp);var t=this.distanceMeasurementsPlugin.viewer.cameraControl;t.off(this._onHoverSnapOrSurface),t.off(this._onHoverSurface),t.off(this._onHoverSnapOrSurfaceOff),t.off(this._onHoverOff),this._active=!1}}},{key:"reset",value:function(){this._active&&(this._destroyMarkerDiv(),this._initMarkerDiv(),this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null),this._mouseState=0)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),xd=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"DistanceMeasurements",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._defaultControl=null,r._measurements={},r.labelMinAxisLength=s.labelMinAxisLength,r.defaultVisible=!1!==s.defaultVisible,r.defaultOriginVisible=!1!==s.defaultOriginVisible,r.defaultTargetVisible=!1!==s.defaultTargetVisible,r.defaultWireVisible=!1!==s.defaultWireVisible,r.defaultXLabelEnabled=!1!==s.defaultXLabelEnabled,r.defaultYLabelEnabled=!1!==s.defaultYLabelEnabled,r.defaultZLabelEnabled=!1!==s.defaultZLabelEnabled,r.defaultLengthLabelEnabled=!1!==s.defaultLengthLabelEnabled,r.defaultLabelsVisible=!1!==s.defaultLabelsVisible,r.defaultAxisVisible=!1!==s.defaultAxisVisible,r.defaultXAxisVisible=!1!==s.defaultXAxisVisible,r.defaultYAxisVisible=!1!==s.defaultYAxisVisible,r.defaultZAxisVisible=!1!==s.defaultZAxisVisible,r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r.defaultLabelsOnWires=!1!==s.defaultLabelsOnWires,r.useRotationAdjustment=void 0!==s.useRotationAdjustment&&!1!==s.useRotationAdjustment,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:m(r),distanceMeasurement:t,measurement:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:m(r),distanceMeasurement:t,measurement:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:m(r),distanceMeasurement:t,measurement:t,event:e})},r}return C(i,[{key:"getContainerElement",value:function(){return this._container}},{key:"send",value:function(e,t){}},{key:"pointerLens",get:function(){return this._pointerLens}},{key:"control",get:function(){return this._defaultControl||(this._defaultControl=new Pd(this,{})),this._defaultControl}},{key:"measurements",get:function(){return this._measurements}},{key:"labelMinAxisLength",get:function(){return this._labelMinAxisLength},set:function(e){e<1&&(this.error("labelMinAxisLength must be >= 1; defaulting to 25"),e=25),this._labelMinAxisLength=e||25}},{key:"useRotationAdjustment",get:function(){return this._useRotationAdjustment},set:function(e){e=void 0!==e&&Boolean(e),this._useRotationAdjustment=e}},{key:"createMeasurement",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=t.origin,r=t.target,s=new Bd(this,{id:t.id,plugin:this,container:this._container,origin:{entity:i.entity,worldPos:i.worldPos},target:{entity:r.entity,worldPos:r.worldPos},visible:t.visible,wireVisible:t.wireVisible,axisVisible:!1!==t.axisVisible&&!1!==this.defaultAxisVisible,xAxisVisible:!1!==t.xAxisVisible&&!1!==this.defaultXAxisVisible,yAxisVisible:!1!==t.yAxisVisible&&!1!==this.defaultYAxisVisible,zAxisVisible:!1!==t.zAxisVisible&&!1!==this.defaultZAxisVisible,xLabelEnabled:!1!==t.xLabelEnabled&&!1!==this.defaultXLabelEnabled,yLabelEnabled:!1!==t.yLabelEnabled&&!1!==this.defaultYLabelEnabled,zLabelEnabled:!1!==t.zLabelEnabled&&!1!==this.defaultZLabelEnabled,lengthLabelEnabled:!1!==t.lengthLabelEnabled&&!1!==this.defaultLengthLabelEnabled,labelsVisible:!1!==t.labelsVisible&&!1!==this.defaultLabelsVisible,useRotationAdjustment:this.useRotationAdjustment,originVisible:t.originVisible,targetVisible:t.targetVisible,color:t.color,labelsOnWires:!1!==t.labelsOnWires&&!1!==this.defaultLabelsOnWires,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._measurements[s.id]=s,s.clickable=!0,s.on("destroyed",(function(){delete e._measurements[s.id]})),this.fire("measurementCreated",s),s}},{key:"destroyMeasurement",value:function(e){var t=this._measurements[e];t?(t.destroy(),this.fire("measurementDestroyed",t)):this.log("DistanceMeasurement not found: "+e)}},{key:"setLabelsShown",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=b(i[t],2);r[0];r[1].labelShown=e}}},{key:"setAxisVisible",value:function(e){for(var t=0,i=Object.entries(this.measurements);t<i.length;t++){var r=b(i[t],2);r[0];r[1].axisVisible=e}this.defaultAxisVisible=e}},{key:"getAxisVisible",value:function(){return this.defaultAxisVisible}},{key:"clear",value:function(){for(var e=Object.keys(this._measurements),t=0,i=e.length;t<i;t++)this.destroyMeasurement(e[t])}},{key:"destroy",value:function(){this.clear(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Cd=re.vec2(),Md=function(e){p(i,wd);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e.viewer.scene)).pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._active=!1;var n=document.createElement("div"),o=r.scene.canvas.canvas;return o.parentNode.insertBefore(n,o),n.style.background="black",n.style.border="2px solid blue",n.style.borderRadius="10px",n.style.width="5px",n.style.height="5px",n.style.margin="-200px -200px",n.style.zIndex="100",n.style.position="absolute",n.style.pointerEvents="none",r.markerDiv=n,r._currentDistanceMeasurement=null,r._currentDistanceMeasurementInitState={wireVisible:null,axisVisible:null,xAxisVisible:null,yaxisVisible:null,zAxisVisible:null,targetVisible:null},r._longTouchTimeoutMs=300,r._snapping=!1!==s.snapping,r._attachPlugin(e,s),r}return C(i,[{key:"_attachPlugin",value:function(e){this.distanceMeasurementsPlugin=e,this.plugin=e}},{key:"active",get:function(){return this._active}},{key:"snapping",get:function(){return this._snapping},set:function(e){this._snapping=e}},{key:"activate",value:function(){var e=this;if(!this._active){var t=this.plugin,i=this.scene,r=i.canvas.canvas;t.pointerLens;var s=re.vec3(),n=20,o=null;this._touchState=0;var a=re.vec2(),l=re.vec2(),u=re.vec2(),c=null,A=function(){e.plugin.viewer.cameraControl.active=!1},h=function(){e.plugin.viewer.cameraControl.active=!0},d=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,wt(r.ownerDocument.documentElement,r,t),t},p=function(e,t){return t.set(e),wt(r,r.ownerDocument.documentElement,t),t};r.addEventListener("touchstart",this._onCanvasTouchStart=function(r){var u=r.touches.length;if(1===u){var f=r.touches[0];switch(d(f,a),l.set(a),e._touchState){case 0:if(1!==u&&null!==o)return o&&(clearTimeout(o),o=null),e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),h(),void(e._touchState=0);var v=i.pick({canvasPos:l,snapping:e._snapping,snapToEdge:e._snapping});if(v&&v.snapped)s.set(v.worldPos),e.pointerCircle.start(p(v.snappedCanvasPos,Cd));else{var g=i.pick({canvasPos:l,pickSurface:!0});if(!g||!g.worldPos)return;s.set(g.worldPos),e.pointerCircle.start(p(g.canvasPos,Cd))}o=setTimeout((function(){1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n||(e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.cursorPos=a),e.pointerLens&&(e.pointerLens.canvasPos=l,e.pointerLens.snapped=!1),e.pointerLens&&(e.pointerLens.cursorPos=v.canvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=s:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:s,entity:v.entity},target:{worldPos:s,entity:v.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement),e._touchState=2,A())}),e._longTouchTimeoutMs),e._touchState=1,c=f.identifier;break;case 3:if(1!==u&&null!==o)return clearTimeout(o),void(o=null);1===u&&(o=setTimeout((function(){if(o=null,!(1!==u||l[0]>a[0]+n||l[0]<a[0]-n||l[1]>a[1]+n||l[1]<a[1]-n)){e.pointerLens&&(e.pointerLens.visible=!0,e.pointerLens.canvasPos=a,e.pointerLens.snapped=!1);var t=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping});if(t&&t.snapped)e.pointerLens&&(e.pointerLens.cursorPos=t.snappedCanvasPos,e.pointerLens.snapped=!0),e.pointerCircle.start(p(t.snappedCanvasPos,Cd)),s.set(t.worldPos),e._currentDistanceMeasurement.target.worldPos=t.worldPos,e._currentDistanceMeasurement.target.entity=t.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement);else{var r=i.pick({canvasPos:l,pickSurface:!0});r&&r.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=r.canvasPos,e.pointerLens.snapped=!1),e.pointerCircle.start(p(r.canvasPos,Cd)),s.set(r.worldPos),e._currentDistanceMeasurement.target.worldPos=r.worldPos,e._currentDistanceMeasurement.target.entity=r.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1)}e._touchState=5,A()}}),e._longTouchTimeoutMs),e._touchState=4),c=f.identifier;break;default:return null!==o&&(clearTimeout(o),o=null),void(e._touchState=7)}}else o&&(clearTimeout(o),o=null)},{passive:!0}),r.addEventListener("touchmove",(function(r){e.pointerCircle.stop();var n=r.touches.length;if(1===n&&1===r.changedTouches.length){var a,u,A=r.touches[0];if(A.identifier===c)switch(d(A,l),e._touchState){case 2:e.pointerLens&&(e.pointerLens.canvasPos=l),(a=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&a.snapped?(e.pointerLens&&(e.pointerLens.snappedCanvasPos=a.snappedCanvasPos,e.pointerLens.snapped=!0),s.set(a.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=a.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:a.worldPos,entity:a.entity},target:{worldPos:a.worldPos,entity:a.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(u=i.pick({canvasPos:l,pickSurface:!0}))&&u.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=u.canvasPos,e.pointerLens.snapped=!1),s.set(u.worldPos),e._currentDistanceMeasurement?e._currentDistanceMeasurement.origin.worldPos=u.worldPos:(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:u.worldPos,entity:u.entity},target:{worldPos:u.worldPos,entity:u.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1),e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):e.pointerLens&&(e.pointerLens.cursorPos=null,e.pointerLens.snapped=!1),e._touchState=2;break;case 5:if(1!==n&&null!==o)return clearTimeout(o),o=null,e.pointerLens&&(e.pointerLens.visible=!1),void(e._touchState=7);e.pointerLens&&(e.pointerLens.canvasPos=l),(a=i.pick({canvasPos:l,snapToVertex:e._snapping,snapToEdge:e._snapping}))&&a.worldPos?(e.pointerLens&&(e.pointerLens.cursorPos=a.snappedCanvasPos,e.pointerLens.snapped=!0),e._currentDistanceMeasurement.target.worldPos=a.worldPos,e._currentDistanceMeasurement.target.entity=a.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0):(u=i.pick({canvasPos:l,pickSurface:!0}))&&u.worldPos&&(e.pointerLens&&(e.pointerLens.cursorPos=u.canvasPos,e.pointerLens.snapped=!1),e._currentDistanceMeasurement.target.worldPos=u.worldPos,e._currentDistanceMeasurement.target.entity=u.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0),e._touchState=5}}else o&&(clearTimeout(o),o=null)}),{passive:!0}),r.addEventListener("touchend",this._onCanvasTouchEnd=function(r){e.pointerCircle.stop();var s=r.changedTouches.length;if(1===s){var A=r.changedTouches[0];if(A.identifier===c){o&&(clearTimeout(o),o=null),d(A,u);var p=u[0],f=u[1];switch(e._touchState){case 1:if(1!==s||p>a[0]+n||p<a[0]-n||f>a[1]+n||f<a[1]-n)return void(e._touchState=0);var v=i.pick({canvasPos:l,pickSurface:!0});v&&v.worldPos?(e._currentDistanceMeasurement=t.createMeasurement({id:re.createUUID(),origin:{worldPos:v.worldPos,entity:v.entity},target:{worldPos:v.worldPos,entity:v.entity}}),e._currentDistanceMeasurement.labelsVisible=!1,e._currentDistanceMeasurement.xAxisVisible=!1,e._currentDistanceMeasurement.yAxisVisible=!1,e._currentDistanceMeasurement.zAxisVisible=!1,e._currentDistanceMeasurement.wireVisible=!1,e._currentDistanceMeasurement.originVisible=!0,e._currentDistanceMeasurement.targetVisible=!1,e._currentDistanceMeasurement.clickable=!1,e._touchState=3,e.distanceMeasurementsPlugin.fire("measurementStart",e._currentDistanceMeasurement)):(e._currentDistanceMeasurement&&e._currentDistanceMeasurement.destroy(),e._touchState=0),h();break;case 2:e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement?e._touchState=3:(e.pointerLens&&(e.pointerLens.snapped=!1,e.pointerLens.visible=!1),e._touchState=0),h();break;case 4:if(1!==s||p>a[0]+n||p<a[0]-n||f>a[1]+n||f<a[1]-n)return void(e._touchState=3);var g=i.pick({canvasPos:l,pickSurface:!0});g&&g.worldPos?(e._currentDistanceMeasurement.target.worldPos=g.worldPos,e._currentDistanceMeasurement.target.entity=g.entity,e._currentDistanceMeasurement.targetVisible=!0,e._currentDistanceMeasurement.wireVisible=!0,e._currentDistanceMeasurement.labelsVisible=!0,e._currentDistanceMeasurement.xAxisVisible=!0,e._currentDistanceMeasurement.yAxisVisible=!0,e._currentDistanceMeasurement.zAxisVisible=!0,e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null):e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0,h();break;case 5:console.log("long touch"),e.pointerLens&&(e.pointerLens.visible=!1),e._currentDistanceMeasurement&&e._currentDistanceMeasurement.targetVisible?(e._currentDistanceMeasurement.clickable=!0,e.distanceMeasurementsPlugin.fire("measurementEnd",e._currentDistanceMeasurement),e._currentDistanceMeasurement=null,e._touchState=0):(e._currentDistanceMeasurement&&(e._currentDistanceMeasurement.destroy(),e._currentDistanceMeasurement=null),e._touchState=0),h()}}}},{passive:!0}),this._active=!0}}},{key:"deactivate",value:function(){if(this._active){this.plugin.pointerLens&&(this.plugin.pointerLens.visible=!1),this.reset();var e=this.plugin.viewer.scene.canvas.canvas;e.removeEventListener("touchstart",this._onCanvasTouchStart),e.removeEventListener("touchend",this._onCanvasTouchEnd),this._active=!1,this.plugin.viewer.cameraControl.active=!0}}},{key:"reset",value:function(){this._active&&this._currentDistanceMeasurement&&(this.distanceMeasurementsPlugin.fire("measurementCancel",this._currentDistanceMeasurement),this._currentDistanceMeasurement.destroy(),this._currentDistanceMeasurement=null)}},{key:"currentMeasurement",get:function(){return this._currentDistanceMeasurement}},{key:"destroy",value:function(){this.deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Ed=function(e){p(i,Ce);var t=v(i);function i(e,r,s,n){var o;P(this,i);var a=e.plugin.viewer;o=t.call(this,a.scene);var l=It({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r.pointerLens,dots:[e.origin,e.target],ray2WorldPos:function(e,t,i){return function e(t){var r=a.scene.pick({canvasPos:i,snapToEdge:t,snapToVertex:t,pickSurface:!0});return r&&r.worldPos?r.worldPos:t&&e(!1)}(!!r.snapping)},onEnd:function(e,t){var i=!re.compareVec3(e,t.worldPos);return i&&o.fire("edited"),i}}),u=e.on("destroyed",l);return o._deactivate=function(){e.off("destroyed",u),l()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Fd=function(e){p(i,Ed);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),kd=function(e){p(i,Ed);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),Id=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,"FastNav",e))._hideColorTexture=!1!==s.hideColorTexture,r._hidePBR=!1!==s.hidePBR,r._hideSAO=!1!==s.hideSAO,r._hideEdges=!1!==s.hideEdges,r._hideTransparentObjects=!!s.hideTransparentObjects,r._scaleCanvasResolution=!!s.scaleCanvasResolution,r._defaultScaleCanvasResolutionFactor=s.defaultScaleCanvasResolutionFactor,r._scaleCanvasResolutionFactor=s.scaleCanvasResolutionFactor||.6,r._delayBeforeRestore=!1!==s.delayBeforeRestore,r._delayBeforeRestoreSeconds=s.delayBeforeRestoreSeconds||.5;var n=1e3*r._delayBeforeRestoreSeconds,o=!1,a=function(){n=1e3*r._delayBeforeRestoreSeconds,o||(e.scene._renderer.setColorTextureEnabled(!r._hideColorTexture),e.scene._renderer.setPBREnabled(!r._hidePBR),e.scene._renderer.setSAOEnabled(!r._hideSAO),e.scene._renderer.setTransparentEnabled(!r._hideTransparentObjects),e.scene._renderer.setEdgesEnabled(!r._hideEdges),r._originalCanvasResolutionScale=e.scene.canvas.resolutionScale,r._scaleCanvasResolution?e.scene.canvas.resolutionScale=r._scaleCanvasResolutionFactor:e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor,o=!0)},l=function(){e.scene.canvas.resolutionScale=r._defaultScaleCanvasResolutionFactor||r._originalCanvasResolutionScale||1,e.scene._renderer.setEdgesEnabled(!0),e.scene._renderer.setColorTextureEnabled(!0),e.scene._renderer.setPBREnabled(!0),e.scene._renderer.setSAOEnabled(!0),e.scene._renderer.setTransparentEnabled(!0),o=!1};r._onCanvasBoundary=e.scene.canvas.on("boundary",a),r._onCameraMatrix=e.scene.camera.on("matrix",a),r._onSceneTick=e.scene.on("tick",(function(e){o&&(n-=e.deltaTime,(!r._delayBeforeRestore||n<=0)&&l())}));var u=!1;return r._onSceneMouseDown=e.scene.input.on("mousedown",(function(){u=!0})),r._onSceneMouseUp=e.scene.input.on("mouseup",(function(){u=!1})),r._onSceneMouseMove=e.scene.input.on("mousemove",(function(){u&&a()})),r}return C(i,[{key:"hideColorTexture",get:function(){return this._hideColorTexture},set:function(e){this._hideColorTexture=e}},{key:"hidePBR",get:function(){return this._hidePBR},set:function(e){this._hidePBR=e}},{key:"hideSAO",get:function(){return this._hideSAO},set:function(e){this._hideSAO=e}},{key:"hideEdges",get:function(){return this._hideEdges},set:function(e){this._hideEdges=e}},{key:"hideTransparentObjects",get:function(){return this._hideTransparentObjects},set:function(e){this._hideTransparentObjects=!1!==e}},{key:"scaleCanvasResolution",get:function(){return this._scaleCanvasResolution},set:function(e){this._scaleCanvasResolution=e}},{key:"defaultScaleCanvasResolutionFactor",get:function(){return this._defaultScaleCanvasResolutionFactor},set:function(e){this._defaultScaleCanvasResolutionFactor=e}},{key:"scaleCanvasResolutionFactor",get:function(){return this._scaleCanvasResolutionFactor},set:function(e){this._scaleCanvasResolutionFactor=e||.6}},{key:"delayBeforeRestore",get:function(){return this._delayBeforeRestore},set:function(e){this._delayBeforeRestore=e}},{key:"delayBeforeRestoreSeconds",get:function(){return this._delayBeforeRestoreSeconds},set:function(e){this._delayBeforeRestoreSeconds=null!=e?e:.5}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){this.viewer.scene.camera.off(this._onCameraMatrix),this.viewer.scene.canvas.off(this._onCanvasBoundary),this.viewer.scene.input.off(this._onSceneMouseDown),this.viewer.scene.input.off(this._onSceneMouseUp),this.viewer.scene.input.off(this._onSceneMouseMove),this.viewer.scene.off(this._onSceneTick),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),Dd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLTF",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getGLB",value:function(e,t,i){he.loadArraybuffer(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getArrayBuffer",value:function(e,t,i,r){!function(e,t,i,r){var s=function(){};i=i||s,r=r||s;var n=/^data:(.*?)(;base64)?,(.*)$/,o=t.match(n);if(o){var a=!!o[2],l=o[3];l=window.decodeURIComponent(l),a&&(l=window.atob(l));try{for(var u=new ArrayBuffer(l.length),c=new Uint8Array(u),A=0;A<l.length;A++)c[A]=l.charCodeAt(A);we.scheduleTask((function(){i(u)}))}catch(e){we.scheduleTask((function(){r(e)}))}}else{var h=function(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}(e),d=h+t,p=new XMLHttpRequest;p.open("GET",d,!0),p.responseType="arraybuffer",p.onreadystatechange=function(){4===p.readyState&&(200===p.status?i(p.response):r("loadArrayBuffer error : "+p.response))},p.send(null)}}(this._cacheBusterURL(e),t,(function(e){i(e)}),(function(e){r(e)}))}}]),e}();var Sd=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this._eventSubIDMap=null,this._eventSubEvents=null,this._eventSubs=null,this._events=null,this._locale="en",this._messages={},this._locales=[],this._locale="en",this.messages=t.messages,this.locale=t.locale}return C(e,[{key:"messages",set:function(e){this._messages=e||{},this._locales=Object.keys(this._messages),this.fire("updated",this)}},{key:"loadMessages",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};for(var t in e)this._messages[t]=e[t];this.messages=this._messages}},{key:"clearMessages",value:function(){this.messages={}}},{key:"locales",get:function(){return this._locales}},{key:"locale",get:function(){return this._locale},set:function(e){e=e||"de",this._locale!==e&&(this._locale=e,this.fire("updated",e))}},{key:"translate",value:function(e,t){var i=this._messages[this._locale];if(!i)return null;var r=Td(e,i);return r?t?Rd(r,t):r:null}},{key:"translatePlurals",value:function(e,t,i){var r=this._messages[this._locale];if(!r)return null;var s=Td(e,r);return(s=0===(t=parseInt(""+t,10))?s.zero:t>1?s.other:s.one)?(s=Rd(s,[t]),i&&(s=Rd(s,i)),s):null}},{key:"fire",value:function(e,t,i){this._events||(this._events={}),this._eventSubs||(this._eventSubs={}),!0!==i&&(this._events[e]=t||!0);var r=this._eventSubs[e];if(r)for(var s in r){if(r.hasOwnProperty(s))r[s].callback(t)}}},{key:"on",value:function(e,t){this._events||(this._events={}),this._eventSubIDMap||(this._eventSubIDMap=new G),this._eventSubEvents||(this._eventSubEvents={}),this._eventSubs||(this._eventSubs={});var i=this._eventSubs[e];i||(i={},this._eventSubs[e]=i);var r=this._eventSubIDMap.addItem();i[r]={callback:t},this._eventSubEvents[r]=e;var s=this._events[e];return void 0!==s&&t(s),r}},{key:"off",value:function(e){if(null!=e&&this._eventSubEvents){var t=this._eventSubEvents[e];if(t){delete this._eventSubEvents[e];var i=this._eventSubs[t];i&&delete i[e],this._eventSubIDMap.removeItem(e)}}}}]),e}();function Td(e,t){if(t[e])return t[e];for(var i=e.split("."),r=t,s=0,n=i.length;r&&s<n;s++){r=r[i[s]]}return r}function Rd(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:[];return e.replace(/\{\{|\}\}|\{(\d+)\}/g,(function(e,i){return"{{"===e?"{":"}}"===e?"}":t[i]}))}var Ld=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).t=s.t,r}return C(i,[{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"tangent",get:function(){return this.getTangent(this._t)}},{key:"length",get:function(){var e=this._getLengths();return e[e.length-1]}},{key:"getTangent",value:function(e){var t=1e-4;void 0===e&&(e=this._t);var i=e-t,r=e+t;i<0&&(i=0),r>1&&(r=1);var s=this.getPoint(i),n=this.getPoint(r),o=re.subVec3(n,s,[]);return re.normalizeVec3(o,[])}},{key:"getPointAt",value:function(e){var t=this.getUToTMapping(e);return this.getPoint(t)}},{key:"getPoints",value:function(e){e||(e=5);var t,i=[];for(t=0;t<=e;t++)i.push(this.getPoint(t/e));return i}},{key:"_getLengths",value:function(e){if(e||(e=this.__arcLengthDivisions?this.__arcLengthDivisions:200),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,i,r=[],s=this.getPoint(0),n=0;for(r.push(0),i=1;i<=e;i++)t=this.getPoint(i/e),n+=re.lenVec3(re.subVec3(t,s,[])),r.push(n),s=t;return this.cacheArcLengths=r,r}},{key:"_updateArcLengths",value:function(){this.needsUpdate=!0,this._getLengths()}},{key:"getUToTMapping",value:function(e,t){var i,r=this._getLengths(),s=0,n=r.length;i=t||e*r[n-1];for(var o,a=0,l=n-1;a<=l;)if((o=r[s=Math.floor(a+(l-a)/2)]-i)<0)a=s+1;else{if(!(o>0)){l=s;break}l=s-1}if(r[s=l]===i)return s/(n-1);var u=r[s];return(s+(i-u)/(r[s+1]-u))/(n-1)}}]),i}(),Ud=function(e){p(i,Ld);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).points=s.points,r.t=s.t,r}return C(i,[{key:"points",get:function(){return this._points},set:function(e){this._points=e||[]}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=this.points;if(!(t.length<3)){var i=(t.length-1)*e,r=Math.floor(i),s=i-r,n=t[0===r?r:r-1],o=t[r],a=t[r>t.length-2?t.length-1:r+1],l=t[r>t.length-3?t.length-1:r+2],u=re.vec3();return u[0]=re.catmullRomInterpolate(n[0],o[0],a[0],l[0],s),u[1]=re.catmullRomInterpolate(n[1],o[1],a[1],l[1],s),u[2]=re.catmullRomInterpolate(n[2],o[2],a[2],l[2],s),u}this.error("Can't sample point from SplineCurve - not enough points on curve - returning [0,0,0].")}},{key:"getJSON",value:function(){return{points:points,t:this._t}}}]),i}(),Od=re.vec3(),Nd=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._frames=[],r._eyeCurve=new Ud(m(r)),r._lookCurve=new Ud(m(r)),r._upCurve=new Ud(m(r)),s.frames&&(r.addFrames(s.frames),r.smoothFrameTimes(1)),r}return C(i,[{key:"type",get:function(){return"CameraPath"}},{key:"frames",get:function(){return this._frames}},{key:"eyeCurve",get:function(){return this._eyeCurve}},{key:"lookCurve",get:function(){return this._lookCurve}},{key:"upCurve",get:function(){return this._upCurve}},{key:"saveFrame",value:function(e){var t=this.scene.camera;this.addFrame(e,t.eye,t.look,t.up)}},{key:"addFrame",value:function(e,t,i,r){var s={t:e,eye:t.slice(0),look:i.slice(0),up:r.slice(0)};this._frames.push(s),this._eyeCurve.points.push(s.eye),this._lookCurve.points.push(s.look),this._upCurve.points.push(s.up)}},{key:"addFrames",value:function(e){for(var t,i=0,r=e.length;i<r;i++)t=e[i],this.addFrame(t.t||0,t.eye,t.look,t.up)}},{key:"loadFrame",value:function(e){var t=this.scene.camera;e=(e/=this._frames[this._frames.length-1].t-this._frames[0].t)<0?0:e>1?1:e,t.eye=this._eyeCurve.getPoint(e,Od),t.look=this._lookCurve.getPoint(e,Od),t.up=this._upCurve.getPoint(e,Od)}},{key:"sampleFrame",value:function(e,t,i,r){e=e<0?0:e>1?1:e,this._eyeCurve.getPoint(e,t),this._lookCurve.getPoint(e,i),this._upCurve.getPoint(e,r)}},{key:"smoothFrameTimes",value:function(e){if(0!==this._frames.length){var t=re.vec3(),i=0;this._frames[0].t=0;for(var r=[],s=1,n=this._frames.length;s<n;s++){var o=re.lenVec3(re.subVec3(this._frames[s].eye,this._frames[s-1].eye,t));r[s]=o,i+=o}for(var a=1,l=this._frames.length;a<l;a++){var u=r[a]/i*e;this._frames[a].t=this._frames[a-1].t+u}}}},{key:"clearFrames",value:function(){this._frames=[],this._eyeCurve.points=[],this._lookCurve.points=[],this._upCurve.points=[]}}]),i}(),Qd=re.vec3(),Vd=re.vec3(),Hd=re.vec3(),jd=re.vec3(),Gd=re.vec3(),zd=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._look1=re.vec3(),r._eye1=re.vec3(),r._up1=re.vec3(),r._look2=re.vec3(),r._eye2=re.vec3(),r._up2=re.vec3(),r._orthoScale1=1,r._orthoScale2=1,r._flying=!1,r._flyEyeLookUp=!1,r._flyingEye=!1,r._flyingLook=!1,r._callback=null,r._callbackScope=null,r._time1=null,r._time2=null,r.easing=!1!==s.easing,r.duration=s.duration,r.fit=s.fit,r.fitFOV=s.fitFOV,r.trail=s.trail,r}return C(i,[{key:"type",get:function(){return"CameraFlightAnimation"}},{key:"flyTo",value:function(e,t,i){e=e||this.scene,this._flying&&this.stop(),this._flying=!1,this._flyingEye=!1,this._flyingLook=!1,this._flyingEyeLookUp=!1,this._callback=t,this._callbackScope=i;var r,s,n,o,a,l=this.scene.camera,u=!!e.projection&&e.projection!==l.projection;if(this._eye1[0]=l.eye[0],this._eye1[1]=l.eye[1],this._eye1[2]=l.eye[2],this._look1[0]=l.look[0],this._look1[1]=l.look[1],this._look1[2]=l.look[2],this._up1[0]=l.up[0],this._up1[1]=l.up[1],this._up1[2]=l.up[2],this._orthoScale1=l.ortho.scale,this._orthoScale2=e.orthoScale||this._orthoScale1,e.aabb)r=e.aabb;else if(6===e.length)r=e;else if(e.eye&&e.look||e.up)s=e.eye,n=e.look,o=e.up;else if(e.eye)s=e.eye;else if(e.look)n=e.look;else{var c=e;if((he.isNumeric(c)||he.isString(c))&&(a=c,!(c=this.scene.components[a])))return this.error("Component not found: "+he.inQuotes(a)),void(t&&(i?t.call(i):t()));u||(r=c.aabb||this.scene.aabb)}var A=e.poi;if(r){if(r[3]<r[0]||r[4]<r[1]||r[5]<r[2])return;if(r[3]===r[0]&&r[4]===r[1]&&r[5]===r[2])return;r=r.slice();var h=re.getAABB3Center(r);this._look2=A||h;var d=re.subVec3(this._eye1,this._look1,Qd),p=re.normalizeVec3(d),f=A?re.getAABB3DiagPoint(r,A):re.getAABB3Diag(r),v=e.fitFOV||this._fitFOV,g=Math.abs(f/Math.tan(v*re.DEGTORAD));this._orthoScale2=1.1*f,this._eye2[0]=this._look2[0]+p[0]*g,this._eye2[1]=this._look2[1]+p[1]*g,this._eye2[2]=this._look2[2]+p[2]*g,this._up2[0]=this._up1[0],this._up2[1]=this._up1[1],this._up2[2]=this._up1[2],this._flyingEyeLookUp=!0}else(s||n||o)&&(this._flyingEyeLookUp=!!s&&!!n&&!!o,this._flyingEye=!!s&&!n,this._flyingLook=!!n&&!s,s&&(this._eye2[0]=s[0],this._eye2[1]=s[1],this._eye2[2]=s[2]),n&&(this._look2[0]=n[0],this._look2[1]=n[1],this._look2[2]=n[2]),o&&(this._up2[0]=o[0],this._up2[1]=o[1],this._up2[2]=o[2]));u?("ortho"===e.projection&&"ortho"!==l.projection&&(this._projection2="ortho",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.ortho.matrix.slice(),l.projection="customProjection"),"perspective"===e.projection&&"perspective"!==l.projection&&(this._projection2="perspective",this._projMatrix1=l.projMatrix.slice(),this._projMatrix2=l.perspective.matrix.slice(),l.projection="customProjection")):this._projection2=null,this.fire("started",e,!0),this._time1=Date.now(),this._time2=this._time1+(e.duration?1e3*e.duration:this._duration),this._flying=!0,we.scheduleTask(this._update,this)}},{key:"jumpTo",value:function(e){this._jumpTo(e)}},{key:"_jumpTo",value:function(e){this._flying&&this.stop();var t,i,r,s,n,o=this.scene.camera;if(e.aabb)t=e.aabb;else if(6===e.length)t=e;else if(e.eye||e.look||e.up)r=e.eye,s=e.look,n=e.up;else{var a=e;if((he.isNumeric(a)||he.isString(a))&&(i=a,!(a=this.scene.components[i])))return void this.error("Component not found: "+he.inQuotes(i));t=a.aabb||this.scene.aabb}var l=e.poi;if(t){if(t[3]<=t[0]||t[4]<=t[1]||t[5]<=t[2])return;var u,c=l?re.getAABB3DiagPoint(t,l):re.getAABB3Diag(t);s=l||re.getAABB3Center(t,s),this._trail?re.subVec3(o.look,s,Gd):re.subVec3(o.eye,o.look,Gd),re.normalizeVec3(Gd),u=(void 0!==e.fit?e.fit:this._fit)?Math.abs(c/Math.tan((e.fitFOV||this._fitFOV)*re.DEGTORAD)):re.lenVec3(re.subVec3(o.eye,o.look,Qd)),re.mulVec3Scalar(Gd,u),o.eye=re.addVec3(s,Gd,Qd),o.look=s,this.scene.camera.ortho.scale=1.1*c}else(r||s||n)&&(r&&(o.eye=r),s&&(o.look=s),n&&(o.up=n));e.projection&&(o.projection=e.projection)}},{key:"_update",value:function(){if(this._flying){var e=(Date.now()-this._time1)/(this._time2-this._time1),t=e>=1;e>1&&(e=1);var r=this.easing?i._ease(e,0,1,1):e,s=this.scene.camera;if(this._flyingEye||this._flyingLook?this._flyingEye?(re.subVec3(s.eye,s.look,Gd),s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,Hd),s.look=re.subVec3(Hd,Gd,Vd)):this._flyingLook&&(s.look=re.lerpVec3(r,0,1,this._look1,this._look2,Vd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,jd)):this._flyingEyeLookUp&&(s.eye=re.lerpVec3(r,0,1,this._eye1,this._eye2,Hd),s.look=re.lerpVec3(r,0,1,this._look1,this._look2,Vd),s.up=re.lerpVec3(r,0,1,this._up1,this._up2,jd)),this._projection2){var n="ortho"===this._projection2?i._easeOutExpo(e,0,1,1):i._easeInCubic(e,0,1,1);s.customProjection.matrix=re.lerpMat4(n,0,1,this._projMatrix1,this._projMatrix2)}else s.ortho.scale=this._orthoScale1+e*(this._orthoScale2-this._orthoScale1);if(t)return s.ortho.scale=this._orthoScale2,void this.stop();we.scheduleTask(this._update,this)}}},{key:"stop",value:function(){if(this._flying){this._flying=!1,this._time1=null,this._time2=null,this._projection2&&(this.scene.camera.projection=this._projection2);var e=this._callback;e&&(this._callback=null,this._callbackScope?e.call(this._callbackScope):e()),this.fire("stopped",!0,!0)}}},{key:"cancel",value:function(){this._flying&&(this._flying=!1,this._time1=null,this._time2=null,this._callback&&(this._callback=null),this.fire("canceled",!0,!0))}},{key:"duration",get:function(){return this._duration/1e3},set:function(e){this._duration=e?1e3*e:500,this.stop()}},{key:"fit",get:function(){return this._fit},set:function(e){this._fit=!1!==e}},{key:"fitFOV",get:function(){return this._fitFOV},set:function(e){this._fitFOV=e||45}},{key:"trail",get:function(){return this._trail},set:function(e){this._trail=!!e}},{key:"destroy",value:function(){this.stop(),h(_(i.prototype),"destroy",this).call(this)}}],[{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"_easeInCubic",value:function(e,t,i,r){return i*(e/=r)*e*e+t}},{key:"_easeOutExpo",value:function(e,t,i,r){return i*(1-Math.pow(2,-10*e/r))+t}}]),i}(),Kd=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._cameraFlightAnimation=new zd(m(r)),r._t=0,r.state=i.SCRUBBING,r._playingFromT=0,r._playingToT=0,r._playingRate=s.playingRate||1,r._playingDir=1,r._lastTime=null,r.cameraPath=s.cameraPath,r._tick=r.scene.on("tick",r._updateT,m(r)),r}return C(i,[{key:"type",get:function(){return"CameraPathAnimation"}},{key:"_updateT",value:function(){var e=this._cameraPath;if(e){var t,r,s=performance.now(),n=this._lastTime?.001*(s-this._lastTime):0;if(this._lastTime=s,0!==n)switch(this.state){case i.SCRUBBING:return;case i.PLAYING:if(this._t+=this._playingRate*n,0===(t=this._cameraPath.frames.length)||this._playingDir<0&&this._t<=0||this._playingDir>0&&this._t>=this._cameraPath.frames[t-1].t)return this.state=i.SCRUBBING,this._t=this._cameraPath.frames[t-1].t,void this.fire("stopped");e.loadFrame(this._t);break;case i.PLAYING_TO:r=this._t+this._playingRate*n*this._playingDir,(this._playingDir<0&&r<=this._playingToT||this._playingDir>0&&r>=this._playingToT)&&(r=this._playingToT,this.state=i.SCRUBBING,this.fire("stopped")),this._t=r,e.loadFrame(this._t)}}}},{key:"_ease",value:function(e,t,i,r){return-i*(e/=r)*(e-2)+t}},{key:"cameraPath",get:function(){return this._cameraPath},set:function(e){this._cameraPath=e}},{key:"rate",get:function(){return this._playingRate},set:function(e){this._playingRate=e}},{key:"play",value:function(){this._cameraPath&&(this._lastTime=null,this.state=i.PLAYING)}},{key:"playToT",value:function(e){this._cameraPath&&(this._playingFromT=this._t,this._playingToT=e,this._playingDir=this._playingToT-this._playingFromT<0?-1:1,this._lastTime=null,this.state=i.PLAYING_TO)}},{key:"playToFrame",value:function(e){var t=this._cameraPath;if(t){var i=t.frames[e];i?this.playToT(i.t):this.error("playToFrame - frame index out of range: "+e)}}},{key:"flyToFrame",value:function(e,t){var r=this._cameraPath;if(r){var s=r.frames[e];s?(this.state=i.SCRUBBING,this._cameraFlightAnimation.flyTo(s,t)):this.error("flyToFrame - frame index out of range: "+e)}}},{key:"scrubToT",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(this._t=e,t.loadFrame(this._t),this.state=i.SCRUBBING))}},{key:"scrubToFrame",value:function(e){var t=this._cameraPath;t&&(this.scene.camera&&(t.frames[e]?(t.loadFrame(this._t),this.state=i.SCRUBBING):this.error("playToFrame - frame index out of range: "+e)))}},{key:"stop",value:function(){this.state=i.SCRUBBING,this.fire("stopped")}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this.scene.off(this._tick)}}]),i}();Kd.STOPPED=0,Kd.SCRUBBING=1,Kd.PLAYING=2,Kd.PLAYING_TO=3;var Wd=re.vec3(),Xd=re.vec3();re.vec3();var Jd=re.vec3([0,-1,0]),Yd=re.vec4([0,0,0,1]),Zd=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new mo(m(r)),r._plane=new On(m(r),{geometry:new dr(m(r),Fo({center:[0,0,0],xSize:1,zSize:1,xSegments:10,zSegments:10})),material:new mr(m(r),{diffuse:[0,0,0],ambient:[0,0,0],specular:[0,0,0],diffuseMap:r._texture,emissiveMap:r._texture,backfaces:!0}),clippable:s.clippable}),r._grid=new On(m(r),{geometry:new dr(m(r),Eo({size:1,divisions:10})),material:new mr(m(r),{diffuse:[0,0,0],ambient:[0,0,0],emissive:[.2,.8,.2]}),position:[0,.001,0],clippable:s.clippable}),r._node=new to(m(r),{rotation:[0,0,0],position:[0,0,0],scale:[1,1,1],clippable:!1,children:[r._plane,r._grid]}),r._gridVisible=!1,r.visible=!0,r.gridVisible=s.gridVisible,r.position=s.position,r.rotation=s.rotation,r.dir=s.dir,r.size=s.size,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"visible",get:function(){return this._plane.visible},set:function(e){this._plane.visible=e,this._grid.visible=this._gridVisible&&e}},{key:"gridVisible",get:function(){return this._gridVisible},set:function(e){e=!1!==e,this._gridVisible=e,this._grid.visible=this._gridVisible&&this.visible}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=e.width,this._imageSize[1]=e.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"position",get:function(){return this._pos},set:function(e){this._pos.set(e||[0,0,0]),Ke(this._pos,this._origin,this._rtcPos),this._node.origin=this._origin,this._node.position=this._rtcPos}},{key:"rotation",get:function(){return this._node.rotation},set:function(e){this._node.rotation=e}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"dir",get:function(){return this._dir},set:function(e){if(this._dir.set(e||[0,0,-1]),e){var t=this.scene.center,i=[-this._dir[0],-this._dir[1],-this._dir[2]];re.subVec3(t,this.position,Wd);var r=-re.dotVec3(i,Wd);re.normalizeVec3(i),re.mulVec3Scalar(i,r,Xd),re.vec3PairToQuaternion(Jd,e,Yd),this._node.quaternion=Yd}}},{key:"collidable",get:function(){return this._node.collidable},set:function(e){this._node.collidable=!1!==e}},{key:"clippable",get:function(){return this._node.clippable},set:function(e){this._node.clippable=!1!==e}},{key:"pickable",get:function(){return this._node.pickable},set:function(e){this._node.pickable=!1!==e}},{key:"opacity",get:function(){return this._node.opacity},set:function(e){this._node.opacity=e}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this)}},{key:"_updatePlaneSizeFromImage",value:function(){var e=this._size,t=this._imageSize[0],i=this._imageSize[1];if(t>i){var r=i/t;this._node.scale=[e,1,e*r]}else{var s=t/i;this._node.scale=[e*s,1,e]}}}]),i}(),qd=function(e){p(i,$i);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=m(r=t.call(this,e,s));r._shadowRenderBuf=null,r._shadowViewMatrix=null,r._shadowProjMatrix=null,r._shadowViewMatrixDirty=!0,r._shadowProjMatrixDirty=!0;var o=r.scene.camera,a=r.scene.canvas;return r._onCameraViewMatrix=o.on("viewMatrix",(function(){r._shadowViewMatrixDirty=!0})),r._onCameraProjMatrix=o.on("projMatrix",(function(){r._shadowProjMatrixDirty=!0})),r._onCanvasBoundary=a.on("boundary",(function(){r._shadowProjMatrixDirty=!0})),r._state=new Ii({type:"point",pos:re.vec3([1,1,1]),color:re.vec3([.7,.7,.8]),intensity:1,attenuation:[0,0,0],space:s.space||"view",castsShadow:!1,getShadowViewMatrix:function(){if(n._shadowViewMatrixDirty){n._shadowViewMatrix||(n._shadowViewMatrix=re.identityMat4());var e=n._state.pos,t=o.look,i=o.up;re.lookAtMat4v(e,t,i,n._shadowViewMatrix),n._shadowViewMatrixDirty=!1}return n._shadowViewMatrix},getShadowProjMatrix:function(){if(n._shadowProjMatrixDirty){n._shadowProjMatrix||(n._shadowProjMatrix=re.identityMat4());var e=n.scene.canvas.canvas;re.perspectiveMat4(Math.PI/180*70,e.clientWidth/e.clientHeight,.1,500,n._shadowProjMatrix),n._shadowProjMatrixDirty=!1}return n._shadowProjMatrix},getShadowRenderBuf:function(){return n._shadowRenderBuf||(n._shadowRenderBuf=new Pi(n.scene.canvas.canvas,n.scene.canvas.gl,{size:[1024,1024]})),n._shadowRenderBuf}}),r.pos=s.pos,r.color=s.color,r.intensity=s.intensity,r.constantAttenuation=s.constantAttenuation,r.linearAttenuation=s.linearAttenuation,r.quadraticAttenuation=s.quadraticAttenuation,r.castsShadow=s.castsShadow,r.scene._lightCreated(m(r)),r}return C(i,[{key:"type",get:function(){return"PointLight"}},{key:"pos",get:function(){return this._state.pos},set:function(e){this._state.pos.set(e||[1,1,1]),this._shadowViewMatrixDirty=!0,this.glRedraw()}},{key:"color",get:function(){return this._state.color},set:function(e){this._state.color.set(e||[.7,.7,.8]),this.glRedraw()}},{key:"intensity",get:function(){return this._state.intensity},set:function(e){e=void 0!==e?e:1,this._state.intensity=e,this.glRedraw()}},{key:"constantAttenuation",get:function(){return this._state.attenuation[0]},set:function(e){this._state.attenuation[0]=e||0,this.glRedraw()}},{key:"linearAttenuation",get:function(){return this._state.attenuation[1]},set:function(e){this._state.attenuation[1]=e||0,this.glRedraw()}},{key:"quadraticAttenuation",get:function(){return this._state.attenuation[2]},set:function(e){this._state.attenuation[2]=e||0,this.glRedraw()}},{key:"castsShadow",get:function(){return this._state.castsShadow},set:function(e){e=!!e,this._state.castsShadow!==e&&(this._state.castsShadow=e,this._shadowViewMatrixDirty=!0,this.glRedraw())}},{key:"destroy",value:function(){var e=this.scene.camera,t=this.scene.canvas;e.off(this._onCameraViewMatrix),e.off(this._onCameraProjMatrix),t.off(this._onCanvasBoundary),h(_(i.prototype),"destroy",this).call(this),this._state.destroy(),this._shadowRenderBuf&&this._shadowRenderBuf.destroy(),this.scene._lightDestroyed(this),this.glRedraw()}}]),i}();function $d(e){return 0==(e&e-1)}function ep(e){--e;for(var t=1;t<32;t<<=1)e|=e>>t;return e+1}var tp=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=(r=t.call(this,e,s)).scene.canvas.gl;return r._state=new Ii({texture:new Ao({gl:n,target:n.TEXTURE_CUBE_MAP}),flipY:r._checkFlipY(s.minFilter),encoding:r._checkEncoding(s.encoding),minFilter:1008,magFilter:1006,wrapS:1001,wrapT:1001,mipmaps:!0}),r._src=s.src,r._images=[],r._loadSrc(s.src),ae.memory.textures++,r}return C(i,[{key:"type",get:function(){return"CubeTexture"}},{key:"_checkFlipY",value:function(e){return!!e}},{key:"_checkEncoding",value:function(e){return 3e3!==(e=e||3e3)&&3001!==e&&(this.error("Unsupported value for 'encoding' - supported values are LinearEncoding and sRGBEncoding. Defaulting to LinearEncoding."),e=3e3),e}},{key:"_webglContextRestored",value:function(){this.scene.canvas.gl,this._state.texture=null,this._src&&this._loadSrc(this._src)}},{key:"_loadSrc",value:function(e){var t=this,i=this.scene.canvas.gl;this._images=[];for(var r=!1,s=0,n=function(n){var o,a,l=new Image;l.onload=(o=l,a=n,function(){if(!r&&(o=function(e){if(!$d(e.width)||!$d(e.height)){var t=document.createElement("canvas");t.width=ep(e.width),t.height=ep(e.height),t.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t.width,t.height),e=t}return e}(o),t._images[a]=o,6==++s)){var e=t._state.texture;e||(e=new Ao({gl:i,target:i.TEXTURE_CUBE_MAP}),t._state.texture=e),e.setImage(t._images,t._state),t.fire("loaded",t._src,!1),t.glRedraw()}}),l.onerror=function(){r=!0},l.src=e[n]},o=0;o<e.length;o++)n(o)}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._state.texture&&this._state.texture.destroy(),ae.memory.textures--,this._state.destroy()}}]),i}(),ip=function(e){p(i,tp);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).scene._lightsState.addReflectionMap(r._state),r.scene._reflectionMapCreated(m(r)),r}return C(i,[{key:"type",get:function(){return"ReflectionMap"}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this.scene._reflectionMapDestroyed(this)}}]),i}(),rp=function(e){p(i,tp);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).scene._lightMapCreated(m(r)),r}return C(i,[{key:"type",get:function(){return"LightMap"}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this.scene._lightMapDestroyed(this)}}]),i}(),sp=function(e){p(i,ct);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,{entity:s.entity,occludable:s.occludable,worldPos:s.worldPos}))._occluded=!1,r._visible=!0,r._src=null,r._image=null,r._pos=re.vec3(),r._origin=re.vec3(),r._rtcPos=re.vec3(),r._dir=re.vec3(),r._size=1,r._imageSize=re.vec2(),r._texture=new mo(m(r),{src:s.src}),r._geometry=new dr(m(r),{primitive:"triangles",positions:[3,3,0,-3,3,0,-3,-3,0,3,-3,0],normals:[-1,0,0,-1,0,0,-1,0,0,-1,0,0],uv:[1,-1,0,-1,0,0,1,0],indices:[0,1,2,0,2,3]}),r._mesh=new On(m(r),{geometry:r._geometry,material:new mr(m(r),{ambient:[.9,.3,.9],shininess:30,diffuseMap:r._texture,backfaces:!0}),scale:[1,1,1],position:s.worldPos,rotation:[90,0,0],billboard:"spherical",occluder:!1}),r.visible=!0,r.collidable=s.collidable,r.clippable=s.clippable,r.pickable=s.pickable,r.opacity=s.opacity,r.size=s.size,s.image?r.image=s.image:r.src=s.src,r}return C(i,[{key:"_setVisible",value:function(e){this._occluded=!e,this._mesh.visible=this._visible&&!this._occluded,h(_(i.prototype),"_setVisible",this).call(this,e)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=null==e||e,this._mesh.visible=this._visible&&!this._occluded}},{key:"image",get:function(){return this._image},set:function(e){this._image=e,this._image&&(this._imageSize[0]=this._image.width,this._imageSize[1]=this._image.height,this._updatePlaneSizeFromImage(),this._src=null,this._texture.image=this._image)}},{key:"src",get:function(){return this._src},set:function(e){var t=this;if(this._src=e,this._src){this._image=null;var i=new Image;i.onload=function(){t._texture.image=i,t._imageSize[0]=i.width,t._imageSize[1]=i.height,t._updatePlaneSizeFromImage()},i.src=this._src}}},{key:"size",get:function(){return this._size},set:function(e){this._size=null==e?1:e,this._image&&this._updatePlaneSizeFromImage()}},{key:"collidable",get:function(){return this._mesh.collidable},set:function(e){this._mesh.collidable=!1!==e}},{key:"clippable",get:function(){return this._mesh.clippable},set:function(e){this._mesh.clippable=!1!==e}},{key:"pickable",get:function(){return this._mesh.pickable},set:function(e){this._mesh.pickable=!1!==e}},{key:"opacity",get:function(){return this._mesh.opacity},set:function(e){this._mesh.opacity=e}},{key:"_updatePlaneSizeFromImage",value:function(){var e=.5*this._size,t=this._imageSize[0],i=this._imageSize[1],r=i/t;this._geometry.positions=t>i?[e,e*r,0,-e,e*r,0,-e,-e*r,0,e,-e*r,0]:[e/r,e,0,-e/r,e,0,-e/r,-e,0,e/r,-e,0]}}]),i}(),np=function(){function e(t){P(this,e),this._eye=re.vec3(),this._look=re.vec3(),this._up=re.vec3(),this._projection={},t&&this.saveCamera(t)}return C(e,[{key:"saveCamera",value:function(e){var t=e.camera,i=t.project;switch(this._eye.set(t.eye),this._look.set(t.look),this._up.set(t.up),t.projection){case"perspective":this._projection={projection:"perspective",fov:i.fov,fovAxis:i.fovAxis,near:i.near,far:i.far};break;case"ortho":this._projection={projection:"ortho",scale:i.scale,near:i.near,far:i.far};break;case"frustum":this._projection={projection:"frustum",left:i.left,right:i.right,top:i.top,bottom:i.bottom,near:i.near,far:i.far};break;case"custom":this._projection={projection:"custom",matrix:i.matrix.slice()}}}},{key:"restoreCamera",value:function(e,t){var i=e.camera,r=this._projection;function s(){switch(r.type){case"perspective":i.perspective.fov=r.fov,i.perspective.fovAxis=r.fovAxis,i.perspective.near=r.near,i.perspective.far=r.far;break;case"ortho":i.ortho.scale=r.scale,i.ortho.near=r.near,i.ortho.far=r.far;break;case"frustum":i.frustum.left=r.left,i.frustum.right=r.right,i.frustum.top=r.top,i.frustum.bottom=r.bottom,i.frustum.near=r.near,i.frustum.far=r.far;break;case"custom":i.customProjection.matrix=r.matrix}}t?e.viewer.cameraFlight.flyTo({eye:this._eye,look:this._look,up:this._up,orthoScale:r.scale,projection:r.projection},(function(){s(),t()})):(i.eye=this._eye,i.look=this._look,i.up=this._up,s(),i.projection=r.projection)}}]),e}(),op=re.vec3(),ap=function(){function e(t){if(P(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsOpacity=[],this.numObjects=0,t){var i=t.metaScene.scene;this.saveObjects(i,t)}}return C(e,[{key:"saveObjects",value:function(e,t,i){this.numObjects=0,this._mask=i?he.apply(i,{}):null;for(var r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,c=!i||i.colorize,A=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];if(v){if(r&&(this.objectsVisible[p]=v.visible),s&&(this.objectsEdges[p]=v.edges),n&&(this.objectsXrayed[p]=v.xrayed),o&&(this.objectsHighlighted[p]=v.highlighted),a&&(this.objectsSelected[p]=v.selected),l&&(this.objectsClippable[p]=v.clippable),u&&(this.objectsPickable[p]=v.pickable),c){var g=v.colorize;this.objectsColorize[3*p+0]=g[0],this.objectsColorize[3*p+1]=g[1],this.objectsColorize[3*p+2]=g[2]}A&&(this.objectsOpacity[p]=v.opacity),this.numObjects++}}}},{key:"restoreObjects",value:function(e,t){for(var i=this._mask,r=!i||i.visible,s=!i||i.edges,n=!i||i.xrayed,o=!i||i.highlighted,a=!i||i.selected,l=!i||i.clippable,u=!i||i.pickable,c=!i||i.colorize,A=!i||i.opacity,h=t.metaObjects,d=e.objects,p=0,f=h.length;p<f;p++){var v=d[h[p].id];v&&(r&&(v.visible=this.objectsVisible[p]),s&&(v.edges=this.objectsEdges[p]),n&&(v.xrayed=this.objectsXrayed[p]),o&&(v.highlighted=this.objectsHighlighted[p]),a&&(v.selected=this.objectsSelected[p]),l&&(v.clippable=this.objectsClippable[p]),u&&(v.pickable=this.objectsPickable[p]),c&&(op[0]=this.objectsColorize[3*p+0],op[1]=this.objectsColorize[3*p+1],op[2]=this.objectsColorize[3*p+2],v.colorize=op),A&&(v.opacity=this.objectsOpacity[p]))}}}]),e}(),lp=re.vec3(),up=function(){function e(){P(this,e),this.objectsVisible=[],this.objectsEdges=[],this.objectsXrayed=[],this.objectsHighlighted=[],this.objectsSelected=[],this.objectsClippable=[],this.objectsPickable=[],this.objectsColorize=[],this.objectsHasColorize=[],this.objectsOpacity=[],this.numObjects=0}return C(e,[{key:"saveObjects",value:function(e,t){this.numObjects=0,this._mask=t?he.apply(t,{}):null;var i=e.objects,r=!t||t.visible,s=!t||t.edges,n=!t||t.xrayed,o=!t||t.highlighted,a=!t||t.selected,l=!t||t.clippable,u=!t||t.pickable,c=!t||t.colorize,A=!t||t.opacity;for(var h in i)if(i.hasOwnProperty(h)){var d=i[h],p=this.numObjects;if(r&&(this.objectsVisible[p]=d.visible),s&&(this.objectsEdges[p]=d.edges),n&&(this.objectsXrayed[p]=d.xrayed),o&&(this.objectsHighlighted[p]=d.highlighted),a&&(this.objectsSelected[p]=d.selected),l&&(this.objectsClippable[p]=d.clippable),u&&(this.objectsPickable[p]=d.pickable),c){var f=d.colorize;f?(this.objectsColorize[3*p+0]=f[0],this.objectsColorize[3*p+1]=f[1],this.objectsColorize[3*p+2]=f[2],this.objectsHasColorize[p]=!0):this.objectsHasColorize[p]=!1}A&&(this.objectsOpacity[p]=d.opacity),this.numObjects++}}},{key:"restoreObjects",value:function(e){var t=this._mask,i=!t||t.visible,r=!t||t.edges,s=!t||t.xrayed,n=!t||t.highlighted,o=!t||t.selected,a=!t||t.clippable,l=!t||t.pickable,u=!t||t.colorize,c=!t||t.opacity,A=0,h=e.objects;for(var d in h)if(h.hasOwnProperty(d)){var p=h[d];i&&(p.visible=this.objectsVisible[A]),r&&(p.edges=this.objectsEdges[A]),s&&(p.xrayed=this.objectsXrayed[A]),n&&(p.highlighted=this.objectsHighlighted[A]),o&&(p.selected=this.objectsSelected[A]),a&&(p.clippable=this.objectsClippable[A]),l&&(p.pickable=this.objectsPickable[A]),u&&(this.objectsHasColorize[A]?(lp[0]=this.objectsColorize[3*A+0],lp[1]=this.objectsColorize[3*A+1],lp[2]=this.objectsColorize[3*A+2],p.colorize=lp):p.colorize=null),c&&(p.opacity=this.objectsOpacity[A]),A++}}}]),e}(),cp=function(e){p(i,Ld);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.v3=s.v3,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"v3",get:function(){return this._v3},set:function(e){this.fire("v3",this._v3=e||re.vec3([0,0,0]))}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b3(e,this._v0[0],this._v1[0],this._v2[0],this._v3[0]),t[1]=re.b3(e,this._v0[1],this._v1[1],this._v2[1],this._v3[1]),t[2]=re.b3(e,this._v0[2],this._v1[2],this._v2[2],this._v3[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,v3:this._v3,t:this._t}}}]),i}(),Ap=function(e){p(i,Ld);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._cachedLengths=[],r._dirty=!0,r._curves=[],r._t=0,r._dirtySubs=[],r._destroyedSubs=[],r.curves=s.curves||[],r.t=s.t,r}return C(i,[{key:"addCurve",value:function(e){this._curves.push(e),this._dirty=!0}},{key:"curves",get:function(){return this._curves},set:function(e){var t,i,r;for(e=e||[],i=0,r=this._curves.length;i<r;i++)(t=this._curves[i]).off(this._dirtySubs[i]),t.off(this._destroyedSubs[i]);this._curves=[],this._dirtySubs=[],this._destroyedSubs=[];var s=this;function n(){s._dirty=!0}function o(){var e=this.id;for(i=0,r=s._curves.length;i<r;i++)if(s._curves[i].id===e)return s._curves=s._curves.slice(i,i+1),s._dirtySubs=s._dirtySubs.slice(i,i+1),s._destroyedSubs=s._destroyedSubs.slice(i,i+1),void(s._dirty=!0)}for(i=0,r=e.length;i<r;i++){if(t=e[i],he.isNumeric(t)||he.isString(t)){var a=t;if(!(t=this.scene.components[a])){this.error("Component not found: "+_inQuotes(a));continue}}var l=t.type;"xeokit.SplineCurve"===l||"xeokit.Path"===l||"xeokit.CubicBezierCurve"===l||"xeokit.QuadraticBezierCurve"===l?(this._curves.push(t),this._dirtySubs.push(t.on("dirty",n)),this._destroyedSubs.push(t.once("destroyed",o))):this.error("Component "+_inQuotes(t.id)+" is not a xeokit.SplineCurve, xeokit.Path or xeokit.QuadraticBezierCurve")}this._dirty=!0}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"length",get:function(){var e=this._getCurveLengths();return e[e.length-1]}},{key:"getPoint",value:function(e){for(var t,i=e*this.length,r=this._getCurveLengths(),s=0;s<r.length;){if(r[s]>=i){var n=1-(r[s]-i)/(t=this._curves[s]).length;return t.getPointAt(n)}s++}return null}},{key:"_getCurveLengths",value:function(){if(!this._dirty)return this._cachedLengths;var e,t=[],i=0,r=this._curves.length;for(e=0;e<r;e++)i+=this._curves[e].length,t.push(i);return this._cachedLengths=t,this._dirty=!1,t}},{key:"_getJSON",value:function(){for(var e=[],t=0,i=this._curves.length;t<i;t++)e.push(this._curves[t].id);return{curves:e,t:this._t}}},{key:"destroy",value:function(){var e,t,r;for(h(_(i.prototype),"destroy",this).call(this),e=0,t=this._curves.length;e<t;e++)(r=this._curves[e]).off(this._dirtySubs[e]),r.off(this._destroyedSubs[e])}}]),i}(),hp=function(e){p(i,Ld);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s)).v0=s.v0,r.v1=s.v1,r.v2=s.v2,r.t=s.t,r}return C(i,[{key:"v0",get:function(){return this._v0},set:function(e){this._v0=e||re.vec3([0,0,0])}},{key:"v1",get:function(){return this._v1},set:function(e){this._v1=e||re.vec3([0,0,0])}},{key:"v2",get:function(){return this._v2},set:function(e){this._v2=e||re.vec3([0,0,0])}},{key:"t",get:function(){return this._t},set:function(e){e=e||0,this._t=e<0?0:e>1?1:e}},{key:"point",get:function(){return this.getPoint(this._t)}},{key:"getPoint",value:function(e){var t=re.vec3();return t[0]=re.b2(e,this._v0[0],this._v1[0],this._v2[0]),t[1]=re.b2(e,this._v0[1],this._v1[1],this._v2[1]),t[2]=re.b2(e,this._v0[2],this._v1[2],this._v2[2]),t}},{key:"getJSON",value:function(){return{v0:this._v0,v1:this._v1,v2:this._v2,t:this._t}}}]),i}(),dp=function(e){p(i,od);var t=v(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),t.call(this,e,r)}return C(i)}(),pp=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e,s))._skyboxMesh=new On(m(r),{geometry:new dr(m(r),{primitive:"triangles",positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),background:!0,scale:[2e3,2e3,2e3],rotation:[0,-90,0],material:new mr(m(r),{ambient:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],emissive:[1,1,1],emissiveMap:new mo(m(r),{src:s.src,flipY:!0,wrapS:"clampToEdge",wrapT:"clampToEdge",encoding:s.encoding||"sRGB"}),backfaces:!0}),visible:!1,pickable:!1,clippable:!1,collidable:!1}),r.size=s.size,r.active=s.active,r}return C(i,[{key:"size",get:function(){return this._size},set:function(e){this._size=e||1e3,this._skyboxMesh.scale=[this._size,this._size,this._size]}},{key:"active",get:function(){return this._skyboxMesh.visible},set:function(e){this._skyboxMesh.visible=e}}]),i}(),fp=function(){function e(){P(this,e)}return C(e,[{key:"transcode",value:function(e,t){}},{key:"destroy",value:function(){}}]),e}(),vp=re.vec4(),gp=re.vec4(),mp=re.vec3(),_p=re.vec3(),yp=re.vec3(),bp=re.vec4(),Bp=re.vec4(),wp=re.vec4(),Pp=function(){function e(t){P(this,e),this._scene=t}return C(e,[{key:"dollyToCanvasPos",value:function(e,t,i){var r=!1,s=this._scene.camera;if(e){var n=re.subVec3(e,s.eye,mp);r=re.lenVec3(n)<i}if("perspective"===s.projection){s.ortho.scale=s.ortho.scale-i;var o=this._unproject(t,bp),a=re.subVec3(o,s.eye,wp),l=re.mulVec3Scalar(re.normalizeVec3(a),-i,[]);if(s.eye=[s.eye[0]-l[0],s.eye[1]-l[1],s.eye[2]-l[2]],s.look=[s.look[0]-l[0],s.look[1]-l[1],s.look[2]-l[2]],e){var u=re.subVec3(e,s.eye,mp),c=re.lenVec3(u),A=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,_p)),c);s.look=[s.eye[0]+A[0],s.eye[1]+A[1],s.eye[2]+A[2]]}}else if("ortho"===s.projection){var h=this._unproject(t,bp);s.ortho.scale=s.ortho.scale-i,s.ortho._update();var d=this._unproject(t,Bp),p=re.subVec3(d,h,wp),f=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(s.look,s.eye,mp)),-i,_p),v=re.addVec3(p,f,yp);s.eye=[s.eye[0]-v[0],s.eye[1]-v[1],s.eye[2]-v[2]],s.look=[s.look[0]-v[0],s.look[1]-v[1],s.look[2]-v[2]]}return r}},{key:"_unproject",value:function(e,t){var i=this._scene.camera,r=i.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n);return i.project.unproject(e,a,vp,gp,t),t}},{key:"destroy",value:function(){}}]),e}(),xp=re.vec3(),Cp=re.vec3(),Mp=re.vec3(),Ep=re.vec4(),Fp=re.vec4(),kp=re.vec4(),Ip=function(){function e(t,i){var r=this;P(this,e),this._scene=t,this._configs=i,this._pivotWorldPos=re.vec3(),this._cameraOffset=re.vec3(),this._azimuth=0,this._polar=0,this._radius=0,this._pivotPosSet=!1,this._pivoting=!1,this._shown=!1,this._pivotSphereEnabled=!1,this._pivotSphere=null,this._pivotSphereSize=1,this._pivotSphereGeometry=null,this._pivotSphereMaterial=null,this._rtcCenter=re.vec3(),this._rtcPos=re.vec3(),this._pivotViewPos=re.vec4(),this._pivotProjPos=re.vec4(),this._pivotCanvasPos=re.vec2(),this._cameraDirty=!0,this._onViewMatrix=this._scene.camera.on("viewMatrix",(function(){r._cameraDirty=!0})),this._onProjMatrix=this._scene.camera.on("projMatrix",(function(){r._cameraDirty=!0})),this._onTick=this._scene.on("tick",(function(){r.updatePivotElement(),r.updatePivotSphere()}))}return C(e,[{key:"createPivotSphere",value:function(){var e=this.getPivotPos(),t=re.vec3();re.decomposeMat4(re.inverseMat4(this._scene.viewer.camera.viewMatrix,re.mat4()),t,re.vec4(),re.vec3());var i=re.distVec3(t,e),r=Math.tan(Math.PI/500)*i*this._pivotSphereSize;"ortho"==this._scene.camera.projection&&(r/=this._scene.camera.ortho.scale/2),Ke(e,this._rtcCenter,this._rtcPos),this._pivotSphereGeometry=new Bo(this._scene,Vn({radius:r})),this._pivotSphere=new On(this._scene,{geometry:this._pivotSphereGeometry,material:this._pivotSphereMaterial,pickable:!1,position:this._rtcPos,rtcCenter:this._rtcCenter})}},{key:"destroyPivotSphere",value:function(){this._pivotSphere&&(this._pivotSphere.destroy(),this._pivotSphere=null),this._pivotSphereGeometry&&(this._pivotSphereGeometry.destroy(),this._pivotSphereGeometry=null)}},{key:"updatePivotElement",value:function(){var e=this._scene.camera,t=this._scene.canvas;if(this._pivoting&&this._cameraDirty){re.transformPoint3(e.viewMatrix,this.getPivotPos(),this._pivotViewPos),this._pivotViewPos[3]=1,re.transformPoint4(e.projMatrix,this._pivotViewPos,this._pivotProjPos);var i=t.boundary,r=i[2],s=i[3];this._pivotCanvasPos[0]=Math.floor((1+this._pivotProjPos[0]/this._pivotProjPos[3])*r/2),this._pivotCanvasPos[1]=Math.floor((1-this._pivotProjPos[1]/this._pivotProjPos[3])*s/2);var n=t._lastBoundingClientRect;if(!n||t._canvasSizeChanged){var o=t.canvas;n=t._lastBoundingClientRect=o.getBoundingClientRect()}this._pivotElement&&(this._pivotElement.style.left=Math.floor(n.left+this._pivotCanvasPos[0])-this._pivotElement.clientWidth/2+window.scrollX+"px",this._pivotElement.style.top=Math.floor(n.top+this._pivotCanvasPos[1])-this._pivotElement.clientHeight/2+window.scrollY+"px"),this._cameraDirty=!1}}},{key:"updatePivotSphere",value:function(){this._pivoting&&this._pivotSphere&&(Ke(this.getPivotPos(),this._rtcCenter,this._rtcPos),re.compareVec3(this._rtcPos,this._pivotSphere.position)||(this.destroyPivotSphere(),this.createPivotSphere()))}},{key:"setPivotElement",value:function(e){this._pivotElement=e}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.destroyPivotSphere(),this._pivotSphereEnabled=!0,e.size&&(this._pivotSphereSize=e.size);var t=e.color||[1,0,0];this._pivotSphereMaterial=new mr(this._scene,{emissive:t,ambient:t,specular:[0,0,0],diffuse:[0,0,0]})}},{key:"disablePivotSphere",value:function(){this.destroyPivotSphere(),this._pivotSphereEnabled=!1}},{key:"startPivot",value:function(){if(this._cameraLookingDownwards())return this._pivoting=!1,!1;var e=this._scene.camera,t=re.lookAtMat4v(e.eye,e.look,e.worldUp);re.transformPoint3(t,this.getPivotPos(),this._cameraOffset);var i=this.getPivotPos();this._cameraOffset[2]+=re.distVec3(e.eye,i),t=re.inverseMat4(t);var r=re.transformVec3(t,this._cameraOffset),s=re.vec3();if(re.subVec3(e.eye,i,s),re.addVec3(s,r),e.zUp){var n=s[1];s[1]=s[2],s[2]=n}this._radius=re.lenVec3(s),this._polar=Math.acos(s[1]/this._radius),this._azimuth=Math.atan2(s[0],s[2]),this._pivoting=!0}},{key:"_cameraLookingDownwards",value:function(){var e=this._scene.camera,t=re.normalizeVec3(re.subVec3(e.look,e.eye,xp)),i=re.cross3Vec3(t,e.worldUp,Cp);return re.sqLenVec3(i)<=1e-4}},{key:"getPivoting",value:function(){return this._pivoting}},{key:"setPivotPos",value:function(e){this._pivotWorldPos.set(e),this._pivotPosSet=!0}},{key:"setCanvasPivotPos",value:function(e){var t=this._scene.camera,i=Math.abs(re.distVec3(this._scene.center,t.eye)),r=t.project.transposedMatrix,s=r.subarray(8,12),n=r.subarray(12),o=[0,0,-1,1],a=re.dotVec4(o,s)/re.dotVec4(o,n),l=Ep;t.project.unproject(e,a,Fp,kp,l);var u=re.normalizeVec3(re.subVec3(l,t.eye,xp)),c=re.addVec3(t.eye,re.mulVec3Scalar(u,i,Cp),Mp);this.setPivotPos(c)}},{key:"getPivotPos",value:function(){return this._pivotPosSet?this._pivotWorldPos:this._scene.camera.look}},{key:"continuePivot",value:function(e,t){if(this._pivoting&&(0!==e||0!==t)){var i=this._scene.camera,r=-e,s=-t;1===i.worldUp[2]&&(r=-r),this._azimuth+=.01*-r,this._polar+=.01*s,this._polar=re.clamp(this._polar,.001,Math.PI-.001);var n=[this._radius*Math.sin(this._polar)*Math.sin(this._azimuth),this._radius*Math.cos(this._polar),this._radius*Math.sin(this._polar)*Math.cos(this._azimuth)];if(1===i.worldUp[2]){var o=n[1];n[1]=n[2],n[2]=o}var a=re.lenVec3(re.subVec3(i.look,i.eye,re.vec3())),l=this.getPivotPos();re.addVec3(n,l);var u=re.lookAtMat4v(n,l,i.worldUp);u=re.inverseMat4(u);var c=re.transformVec3(u,this._cameraOffset);u[12]-=c[0],u[13]-=c[1],u[14]-=c[2];var A=[u[8],u[9],u[10]];i.eye=[u[12],u[13],u[14]],re.subVec3(i.eye,re.mulVec3Scalar(A,a),i.look),i.up=[u[4],u[5],u[6]],this.showPivot()}}},{key:"showPivot",value:function(){this._shown||(this._pivotElement&&(this.updatePivotElement(),this._pivotElement.style.visibility="visible"),this._pivotSphereEnabled&&(this.destroyPivotSphere(),this.createPivotSphere()),this._shown=!0)}},{key:"hidePivot",value:function(){this._shown&&(this._pivotElement&&(this._pivotElement.style.visibility="hidden"),this._pivotSphereEnabled&&this.destroyPivotSphere(),this._shown=!1)}},{key:"endPivot",value:function(){this._pivoting=!1}},{key:"destroy",value:function(){this.destroyPivotSphere(),this._scene.camera.off(this._onViewMatrix),this._scene.camera.off(this._onProjMatrix),this._scene.off(this._onTick)}}]),e}(),Dp=function(){function e(t,i){P(this,e),this._scene=t.scene,this._cameraControl=t,this._scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},this._configs=i,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick=!1,this.pickCursorPos=re.vec2(),this.picked=!1,this.pickedSurface=!1,this.pickResult=null,this._lastPickedEntityId=null,this._lastHash=null,this._needFireEvents=0}return C(e,[{key:"update",value:function(){if(this._configs.pointerEnabled&&(this.schedulePickEntity||this.schedulePickSurface)){var e="".concat(~~this.pickCursorPos[0],"-").concat(~~this.pickCursorPos[1],"-").concat(this.scheduleSnapOrPick,"-").concat(this.schedulePickSurface,"-").concat(this.schedulePickEntity);if(this._lastHash!==e){this.picked=!1,this.pickedSurface=!1,this.snappedOrPicked=!1,this.hoveredSnappedOrSurfaceOff=!1;var t=this._cameraControl.hasSubs("hoverSurface");if(this.scheduleSnapOrPick){var i=this._scene.pick({canvasPos:this.pickCursorPos,snapRadius:this._configs.snapRadius,snapToVertex:this._configs.snapToVertex,snapToEdge:this._configs.snapToEdge});i&&(i.snappedToEdge||i.snappedToVertex)?(this.snapPickResult=i,this.snappedOrPicked=!0,this._needFireEvents++):(this.schedulePickSurface=!0,this.snapPickResult=null)}if(this.schedulePickSurface&&this.pickResult&&this.pickResult.worldPos){var r=this.pickResult.canvasPos;if(r[0]===this.pickCursorPos[0]&&r[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!0,this._needFireEvents+=t?1:0,this.schedulePickEntity=!1,this.schedulePickSurface=!1,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.hoveredSnappedOrSurfaceOff=!0,void(this.scheduleSnapOrPick=!1)}if(this.schedulePickEntity&&this.pickResult&&(this.pickResult.canvasPos||this.pickResult.snappedCanvasPos)){var s=this.pickResult.canvasPos||this.pickResult.snappedCanvasPos;if(s[0]===this.pickCursorPos[0]&&s[1]===this.pickCursorPos[1])return this.picked=!0,this.pickedSurface=!1,this.schedulePickEntity=!1,void(this.schedulePickSurface=!1)}this.schedulePickSurface||this.scheduleSnapOrPick&&!this.snapPickResult?(this.pickResult=this._scene.pick({pickSurface:!0,pickSurfaceNormal:!1,canvasPos:this.pickCursorPos}),this.pickResult?(this.picked=!0,this.scheduleSnapOrPick?this.snappedOrPicked=!0:this.pickedSurface=!0,this._needFireEvents++):this.scheduleSnapOrPick&&(this.hoveredSnappedOrSurfaceOff=!0,this._needFireEvents++)):(this.pickResult=this._scene.pick({canvasPos:this.pickCursorPos}),this.pickResult&&(this.picked=!0,this.pickedSurface=!1,this._needFireEvents++)),this.scheduleSnapOrPick=!1,this.schedulePickEntity=!1,this.schedulePickSurface=!1}}}},{key:"fireEvents",value:function(){if(0!==this._needFireEvents){if(this.hoveredSnappedOrSurfaceOff&&this._cameraControl.fire("hoverSnapOrSurfaceOff",{canvasPos:this.pickCursorPos,pointerPos:this.pickCursorPos},!0),this.snappedOrPicked)if(this.snapPickResult){var e=new ii;e.entity=this.snapPickResult.entity,e.snappedToVertex=this.snapPickResult.snappedToVertex,e.snappedToEdge=this.snapPickResult.snappedToEdge,e.worldPos=this.snapPickResult.worldPos,e.canvasPos=this.pickCursorPos,e.snappedCanvasPos=this.snapPickResult.snappedCanvasPos,this._cameraControl.fire("hoverSnapOrSurface",e,!0),this.snapPickResult=null}else this._cameraControl.fire("hoverSnapOrSurface",this.pickResult,!0);if(this.picked&&this.pickResult&&(this.pickResult.entity||this.pickResult.worldPos)){if(this.pickResult.entity){var t=this.pickResult.entity.id;this._lastPickedEntityId!==t&&(void 0!==this._lastPickedEntityId&&this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._cameraControl.fire("hoverEnter",this.pickResult,!0),this._lastPickedEntityId=t)}this._cameraControl.fire("hover",this.pickResult,!0),this.pickResult.worldPos&&(this.pickedSurface=!0,this._cameraControl.fire("hoverSurface",this.pickResult,!0))}else void 0!==this._lastPickedEntityId&&(this._cameraControl.fire("hoverOut",{entity:this._scene.objects[this._lastPickedEntityId]},!0),this._lastPickedEntityId=void 0),this._cameraControl.fire("hoverOff",{canvasPos:this.pickCursorPos},!0);this.pickResult=null,this._needFireEvents=0}}}]),e}(),Sp=re.vec2(),Tp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o,a,l,u=i.pickController,c=i.cameraControl,A=0,h=0,d=0,p=0,f=!1,v=re.vec3(),g=!0,m=this._scene.canvas.canvas,_=[];function y(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];b(),e&&B()}function b(){A=s.pointerCanvasPos[0],h=s.pointerCanvasPos[1],d=s.pointerCanvasPos[0],p=s.pointerCanvasPos[1]}function B(){u.pickCursorPos=s.pointerCanvasPos,u.schedulePickSurface=!0,u.update(),u.picked&&u.pickedSurface&&u.pickResult&&u.pickResult.worldPos?(f=!0,v.set(u.pickResult.worldPos)):f=!1}document.addEventListener("keydown",this._documentKeyDownHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;_[i]=!0}}),document.addEventListener("keyup",this._documentKeyUpHandler=function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled){var i=e.keyCode;_[i]=!1}}),document.addEventListener("visibilitychange",this._onVisibilityChange=function(){_.splice(0)}),window.addEventListener("blur",this._onBlur=function(){_.splice(0)}),m.addEventListener("mousedown",this._mouseDownHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:_[t.input.KEY_SHIFT]||r.planView?(o=!0,_[t.input.MOUSE_LEFT_BUTTON]=!0,y()):(o=!0,_[t.input.MOUSE_LEFT_BUTTON]=!0,y(!1));break;case 2:a=!0,_[t.input.MOUSE_MIDDLE_BUTTON]=!0,y();break;case 3:l=!0,_[t.input.MOUSE_RIGHT_BUTTON]=!0,r.panRightClick&&y()}}),document.addEventListener("mousemove",this._documentMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(o||a||l)){var i=t.canvas.boundary,u=i[2],d=i[3],p=s.pointerCanvasPos[0],g=s.pointerCanvasPos[1],m=r.planView||c._isKeyDownForAction(c.MOUSE_PAN,_),y=c._isKeyDownForAction(c.MOUSE_ROTATE,_),b=document.pointerLockElement?e.movementX:p-A,B=document.pointerLockElement?e.movementY:g-h;if(m){var w=t.camera;if("perspective"===w.projection){var P=Math.abs(f?re.lenVec3(re.subVec3(v,t.camera.eye,[])):t.camera.eyeLookDist)*Math.tan(w.perspective.fov/2*Math.PI/180);n.panDeltaX+=1.5*b*P/d,n.panDeltaY+=1.5*B*P/d}else n.panDeltaX+=.5*w.ortho.scale*(b/d),n.panDeltaY+=.5*w.ortho.scale*(B/d)}else y&&(r.planView||(r.firstPerson?(n.rotateDeltaY-=b/u*r.dragRotationRate/2,n.rotateDeltaX+=B/d*(r.dragRotationRate/4)):(n.rotateDeltaY-=b/u*(1.5*r.dragRotationRate),n.rotateDeltaX+=B/d*(1.5*r.dragRotationRate))));A=p,h=g}}),m.addEventListener("mousemove",this._canvasMouseMoveHandler=function(e){r.active&&r.pointerEnabled&&s.mouseover&&(g=!0)}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){if(r.active&&r.pointerEnabled)switch(e.which){case 1:case 2:case 3:o=!1,a=!1,l=!1,_[t.input.MOUSE_LEFT_BUTTON]=!1,_[t.input.MOUSE_MIDDLE_BUTTON]=!1,_[t.input.MOUSE_RIGHT_BUTTON]=!1}}),m.addEventListener("mouseup",this._mouseUpHandler=function(e){if(r.active&&r.pointerEnabled){if(3===e.which){!function(e,t){if(e){for(var i=e.target,r=0,s=0,n=0,o=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,n+=i.scrollLeft,o+=i.scrollTop,i=i.offsetParent;t[0]=e.pageX+n-r,t[1]=e.pageY+o-s}else e=window.event,t[0]=e.x,t[1]=e.y}(e,Sp);var t=Sp[0],s=Sp[1];Math.abs(t-d)<3&&Math.abs(s-p)<3&&i.cameraControl.fire("rightClick",{pagePos:[Math.round(e.pageX),Math.round(e.pageY)],canvasPos:Sp,event:e},!0)}m.style.removeProperty("cursor")}}),m.addEventListener("mouseenter",this._mouseEnterHandler=function(){r.active&&r.pointerEnabled});var w=1/60,x=null;m.addEventListener("wheel",this._mouseWheelHandler=function(e){if(r.active&&r.pointerEnabled&&r.zoomOnMouseWheel&&c._isKeyDownForAction(c.MOUSE_DOLLY,_)){var t=performance.now()/1e3,i=null!==x?t-x:0;x=t,i>.05&&(i=.05),i<w&&(i=w);var o=Math.max(-1,Math.min(1,40*-e.deltaY));if(0!==o){var a=o/Math.abs(o);n.dollyDelta+=-a*i*r.mouseWheelDollyRate,g&&(s.followPointerDirty=!0,g=!1)}}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("keydown",this._documentKeyDownHandler),document.removeEventListener("keyup",this._documentKeyUpHandler),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),e.removeEventListener("mousedown",this._mouseDownHandler),document.removeEventListener("mousemove",this._documentMouseMoveHandler),e.removeEventListener("mousemove",this._canvasMouseMoveHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._mouseUpHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("wheel",this._mouseWheelHandler)}}]),e}(),Rp=re.vec3(),Lp=re.vec3(),Up=re.vec3(),Op=re.vec3(),Np=re.vec3(),Qp={eye:re.vec3(),look:re.vec3(),up:re.vec3()},Vp=function(){function e(t,i,r,s){P(this,e),this._scene=t;var n=i.cameraControl,o=t.camera;this._onSceneKeyDown=t.input.on("keydown",(function(){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var e=n._isKeyDownForAction(n.AXIS_VIEW_RIGHT),a=n._isKeyDownForAction(n.AXIS_VIEW_BACK),l=n._isKeyDownForAction(n.AXIS_VIEW_LEFT),u=n._isKeyDownForAction(n.AXIS_VIEW_FRONT),c=n._isKeyDownForAction(n.AXIS_VIEW_TOP),A=n._isKeyDownForAction(n.AXIS_VIEW_BOTTOM);if(e||a||l||u||c||A){var h=t.aabb,d=re.getAABB3Diag(h);re.getAABB3Center(h,Rp);var p=Math.abs(d/Math.tan(i.cameraFlight.fitFOV*re.DEGTORAD)),f=1.1*d;Qp.orthoScale=f,e?(Qp.eye.set(re.addVec3(Rp,re.mulVec3Scalar(o.worldRight,p,Lp),Np)),Qp.look.set(Rp),Qp.up.set(o.worldUp)):a?(Qp.eye.set(re.addVec3(Rp,re.mulVec3Scalar(o.worldForward,p,Lp),Np)),Qp.look.set(Rp),Qp.up.set(o.worldUp)):l?(Qp.eye.set(re.addVec3(Rp,re.mulVec3Scalar(o.worldRight,-p,Lp),Np)),Qp.look.set(Rp),Qp.up.set(o.worldUp)):u?(Qp.eye.set(re.addVec3(Rp,re.mulVec3Scalar(o.worldForward,-p,Lp),Np)),Qp.look.set(Rp),Qp.up.set(o.worldUp)):c?(Qp.eye.set(re.addVec3(Rp,re.mulVec3Scalar(o.worldUp,p,Lp),Np)),Qp.look.set(Rp),Qp.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,1,Up),Op))):A&&(Qp.eye.set(re.addVec3(Rp,re.mulVec3Scalar(o.worldUp,-p,Lp),Np)),Qp.look.set(Rp),Qp.up.set(re.normalizeVec3(re.mulVec3Scalar(o.worldForward,-1,Up)))),!r.firstPerson&&r.followPointer&&i.pivotController.setPivotPos(Rp),i.cameraFlight.duration>0?i.cameraFlight.flyTo(Qp,(function(){i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot()})):(i.cameraFlight.jumpTo(Qp),i.pivotController.getPivoting()&&r.followPointer&&i.pivotController.showPivot())}}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.input.off(this._onSceneKeyDown)}}]),e}(),Hp=function(){function e(t,i,r,s,n){var o=this;P(this,e),this._scene=t;var a=i.pickController,l=i.pivotController,u=i.cameraControl;this._clicks=0,this._timeout=null,this._lastPickedEntityId=null,this._lastClickedWorldPos=null;var c=!1,A=!1,h=this._scene.canvas.canvas,d=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e&&e.entity?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})},p=t.tickify(this._canvasMouseMoveHandler=function(e){if(r.active&&r.pointerEnabled&&!c&&!A){if(u.hasSubs("rayMove")){var i=re.vec3(),n=re.vec3();re.canvasPosToWorldRay(t.canvas.canvas,t.camera.viewMatrix,t.camera.projMatrix,t.camera.projection,s.pointerCanvasPos,i,n),u.fire("rayMove",{canvasPos:s.pointerCanvasPos,ray:{origin:i,direction:n,canvasPos:s.pointerCanvasPos}},!0)}var l=u.hasSubs("hover"),h=u.hasSubs("hoverEnter"),d=u.hasSubs("hoverOut"),p=u.hasSubs("hoverOff"),f=u.hasSubs("hoverSurface"),v=u.hasSubs("hoverSnapOrSurface");if(l||h||d||p||f||v)if(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=f,a.scheduleSnapOrPick=v,a.update(),a.pickResult){if(a.pickResult.entity){var g=a.pickResult.entity.id;o._lastPickedEntityId!==g&&(void 0!==o._lastPickedEntityId&&u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),u.fire("hoverEnter",a.pickResult,!0),o._lastPickedEntityId=g)}u.fire("hover",a.pickResult,!0),(a.pickResult.worldPos||a.pickResult.snappedWorldPos)&&u.fire("hoverSurface",a.pickResult,!0)}else void 0!==o._lastPickedEntityId&&(u.fire("hoverOut",{entity:t.objects[o._lastPickedEntityId]},!0),o._lastPickedEntityId=void 0),u.fire("hoverOff",{canvasPos:a.pickCursorPos},!0)}});h.addEventListener("mousemove",p),h.addEventListener("mousedown",this._canvasMouseDownHandler=function(e){if(1===e.which&&(c=!0),3===e.which&&(A=!0),1===e.which&&r.active&&r.pointerEnabled&&(s.mouseDownClientX=e.clientX,s.mouseDownClientY=e.clientY,s.mouseDownCursorX=s.pointerCanvasPos[0],s.mouseDownCursorY=s.pointerCanvasPos[1],!r.firstPerson&&r.followPointer&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),1===e.which))){var i=a.pickResult;i&&i.worldPos?(l.setPivotPos(i.worldPos),l.startPivot(),o._lastClickedWorldPos=i.worldPos.slice()):(r.smartPivot?l.setCanvasPivotPos(s.pointerCanvasPos):o._lastClickedWorldPos?l.setPivotPos(o._lastClickedWorldPos):l.setPivotPos(t.camera.look),l.startPivot())}}),document.addEventListener("mouseup",this._documentMouseUpHandler=function(e){1===e.which&&(c=!1),3===e.which&&(A=!1),l.getPivoting()&&l.endPivot()}),h.addEventListener("mouseup",this._canvasMouseUpHandler=function(e){if(r.active&&r.pointerEnabled&&(1===e.which&&(l.hidePivot(),!(Math.abs(e.clientX-s.mouseDownClientX)>3||Math.abs(e.clientY-s.mouseDownClientY)>3)))){var n=u.hasSubs("picked"),c=u.hasSubs("pickedNothing"),A=u.hasSubs("pickedSurface"),h=u.hasSubs("doublePicked"),p=u.hasSubs("doublePickedSurface"),f=u.hasSubs("doublePickedNothing");if(!(r.doublePickFlyTo||h||p||f))return(n||c||A)&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=!0,a.schedulePickSurface=A,a.update(),a.pickResult?(u.fire("picked",a.pickResult,!0),a.pickedSurface&&u.fire("pickedSurface",a.pickResult,!0)):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0)),void(o._clicks=0);if(o._clicks++,1===o._clicks){a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo,a.schedulePickSurface=A,a.update();var v=a.pickResult,g=a.pickedSurface;o._timeout=setTimeout((function(){v?(u.fire("picked",v,!0),g&&(u.fire("pickedSurface",v,!0),!r.firstPerson&&r.followPointer&&(i.pivotController.setPivotPos(v.worldPos),i.pivotController.startPivot()&&i.pivotController.showPivot()))):u.fire("pickedNothing",{canvasPos:s.pointerCanvasPos},!0),o._clicks=0}),r.doubleClickTimeFrame)}else{if(null!==o._timeout&&(window.clearTimeout(o._timeout),o._timeout=null),a.pickCursorPos=s.pointerCanvasPos,a.schedulePickEntity=r.doublePickFlyTo||h||p,a.schedulePickSurface=a.schedulePickEntity&&p,a.update(),a.pickResult){if(u.fire("doublePicked",a.pickResult,!0),a.pickedSurface&&u.fire("doublePickedSurface",a.pickResult,!0),r.doublePickFlyTo&&(d(a.pickResult),!r.firstPerson&&r.followPointer)){var m=a.pickResult.entity.aabb,_=re.getAABB3Center(m);i.pivotController.setPivotPos(_),i.pivotController.startPivot()&&i.pivotController.showPivot()}}else if(u.fire("doublePickedNothing",{canvasPos:s.pointerCanvasPos},!0),r.doublePickFlyTo&&(d(),!r.firstPerson&&r.followPointer)){var y=t.aabb,b=re.getAABB3Center(y);i.pivotController.setPivotPos(b),i.pivotController.startPivot()&&i.pivotController.showPivot()}o._clicks=0}}},!1)}return C(e,[{key:"reset",value:function(){this._clicks=0,this._lastPickedEntityId=null,this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("mousemove",this._canvasMouseMoveHandler),e.removeEventListener("mousedown",this._canvasMouseDownHandler),document.removeEventListener("mouseup",this._documentMouseUpHandler),e.removeEventListener("mouseup",this._canvasMouseUpHandler),this._timeout&&(window.clearTimeout(this._timeout),this._timeout=null)}}]),e}(),jp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o=t.input,a=[];t.canvas.canvas;var l=!0;this._onSceneMouseMove=o.on("mousemove",(function(){l=!0})),this._onSceneKeyDown=o.on("keydown",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(r.keyboardEnabledOnlyIfMouseover&&!s.mouseover||(a[e]=!0))})),this._onSceneKeyUp=o.on("keyup",(function(e){r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(a[e]=!1,i.pivotController.getPivoting()&&i.pivotController.endPivot())})),document.addEventListener("visibilitychange",this._onVisibilityChange=function(){a.splice(0)}),window.addEventListener("blur",this._onBlur=function(){a.splice(0)}),this._onTick=t.on("tick",(function(e){if(r.active&&r.pointerEnabled&&t.input.keyboardEnabled&&(!r.keyboardEnabledOnlyIfMouseover||s.mouseover)){var u=i.cameraControl,c=e.deltaTime/1e3;if(!r.planView){var A=u._isKeyDownForAction(u.ROTATE_Y_POS,a),h=u._isKeyDownForAction(u.ROTATE_Y_NEG,a),d=u._isKeyDownForAction(u.ROTATE_X_POS,a),p=u._isKeyDownForAction(u.ROTATE_X_NEG,a),f=c*r.keyboardRotationRate;(A||h||d||p)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),A?n.rotateDeltaY+=f:h&&(n.rotateDeltaY-=f),d?n.rotateDeltaX+=f:p&&(n.rotateDeltaX-=f),!r.firstPerson&&r.followPointer&&i.pivotController.startPivot())}if(!a[o.KEY_CTRL]&&!a[o.KEY_ALT]){var v=u._isKeyDownForAction(u.DOLLY_BACKWARDS,a),g=u._isKeyDownForAction(u.DOLLY_FORWARDS,a);if(v||g){var m=c*r.keyboardDollyRate;!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),g?n.dollyDelta-=m:v&&(n.dollyDelta+=m),l&&(s.followPointerDirty=!0,l=!1)}}var _=u._isKeyDownForAction(u.PAN_FORWARDS,a),y=u._isKeyDownForAction(u.PAN_BACKWARDS,a),b=u._isKeyDownForAction(u.PAN_LEFT,a),B=u._isKeyDownForAction(u.PAN_RIGHT,a),w=u._isKeyDownForAction(u.PAN_UP,a),P=u._isKeyDownForAction(u.PAN_DOWN,a),x=(a[o.KEY_ALT]?.3:1)*c*r.keyboardPanRate;(_||y||b||B||w||P)&&(!r.firstPerson&&r.followPointer&&i.pivotController.startPivot(),P?n.panDeltaY+=x:w&&(n.panDeltaY+=-x),B?n.panDeltaX+=-x:b&&(n.panDeltaX+=x),y?n.panDeltaZ+=x:_&&(n.panDeltaZ+=-x))}}))}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){this._scene.off(this._onTick),this._scene.input.off(this._onSceneMouseMove),this._scene.input.off(this._onSceneKeyDown),document.removeEventListener("visibilitychange",this._onVisibilityChange),window.removeEventListener("blur",this._onBlur),this._scene.input.off(this._onSceneKeyUp)}}]),e}(),Gp=re.vec3(),zp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o=t.camera,a=i.pickController,l=i.pivotController,u=i.panController,c=i.cameraControl,A=1,h=1,d=null;this._onTick=t.on("tick",(function(){if(r.active&&r.pointerEnabled){var e="default";if(Math.abs(n.dollyDelta)<.001&&(n.dollyDelta=0),Math.abs(n.rotateDeltaX)<.001&&(n.rotateDeltaX=0),Math.abs(n.rotateDeltaY)<.001&&(n.rotateDeltaY=0),0===n.rotateDeltaX&&0===n.rotateDeltaY||(n.dollyDelta=0),r.followPointer){if(--A<=0&&(A=1,0!==n.dollyDelta)){if(0===n.rotateDeltaY&&0===n.rotateDeltaX&&r.followPointer&&s.followPointerDirty&&(a.pickCursorPos=s.pointerCanvasPos,a.schedulePickSurface=!0,a.update(),a.pickResult&&a.pickResult.worldPos?d=a.pickResult.worldPos:(h=1,d=null),s.followPointerDirty=!1),d){var i=Math.abs(re.lenVec3(re.subVec3(d,t.camera.eye,Gp)));h=i/r.dollyProximityThreshold}h<r.dollyMinSpeed&&(h=r.dollyMinSpeed)}}else h=1,d=null;var p=n.dollyDelta*h;if(0===n.rotateDeltaY&&0===n.rotateDeltaX||(!r.firstPerson&&r.followPointer&&l.getPivoting()?(l.continuePivot(n.rotateDeltaY,n.rotateDeltaX),l.showPivot()):(0!==n.rotateDeltaX&&(r.firstPerson?o.pitch(-n.rotateDeltaX):o.orbitPitch(n.rotateDeltaX)),0!==n.rotateDeltaY&&(r.firstPerson?o.yaw(n.rotateDeltaY):o.orbitYaw(n.rotateDeltaY))),n.rotateDeltaX*=r.rotationInertia,n.rotateDeltaY*=r.rotationInertia,e=c._cursors.rotate),Math.abs(n.panDeltaX)<.001&&(n.panDeltaX=0),Math.abs(n.panDeltaY)<.001&&(n.panDeltaY=0),Math.abs(n.panDeltaZ)<.001&&(n.panDeltaZ=0),0!==n.panDeltaX||0!==n.panDeltaY||0!==n.panDeltaZ){var f,v,g=re.vec3();if(g[0]=n.panDeltaX,g[1]=n.panDeltaY,g[2]=n.panDeltaZ,r.constrainVertical){o.xUp?(f=o.eye[0],v=o.look[0]):o.yUp?(f=o.eye[1],v=o.look[1]):o.zUp&&(f=o.eye[2],v=o.look[2]),o.pan(g);var m=o.eye,_=o.look;o.xUp?(m[0]=f,_[0]=v):o.yUp?(m[1]=f,_[1]=v):o.zUp&&(m[2]=f,_[2]=v),o.eye=m,o.look=_}else o.pan(g);e=c._cursors.pan}if(n.panDeltaX*=r.panInertia,n.panDeltaY*=r.panInertia,n.panDeltaZ*=r.panInertia,0!==p){if(e=p<0?c._cursors.dollyForward:c._cursors.dollyBackward,r.firstPerson){var y,b;if(r.constrainVertical&&(o.xUp?(y=o.eye[0],b=o.look[0]):o.yUp?(y=o.eye[1],b=o.look[1]):o.zUp&&(y=o.eye[2],b=o.look[2])),r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.pan([0,0,p]),o.ortho.scale=o.ortho.scale-p;if(r.constrainVertical){var B=o.eye,w=o.look;o.xUp?(B[0]=y,w[0]=b):o.yUp?(B[1]=y,w[1]=b):o.zUp&&(B[2]=y,w[2]=b),o.eye=B,o.look=w}}else if(r.planView){if(r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+p,o.zoom(p)}else{if(r.followPointer)u.dollyToCanvasPos(d,s.pointerCanvasPos,-p)&&(s.followPointerDirty=!0);else o.ortho.scale=o.ortho.scale+p,o.zoom(p)}n.dollyDelta*=r.dollyInertia}a.fireEvents(),document.body.style.cursor=e}}))}return C(e,[{key:"destroy",value:function(){this._scene.off(this._onTick)}}]),e}(),Kp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o=this._scene.canvas.canvas;o.addEventListener("mouseenter",this._mouseEnterHandler=function(){s.mouseover=!0}),o.addEventListener("mouseleave",this._mouseLeaveHandler=function(){s.mouseover=!1,o.style.cursor=null}),document.addEventListener("mousemove",this._mouseMoveHandler=function(e){Wp(e,o,s.pointerCanvasPos)}),o.addEventListener("mousedown",this._mouseDownHandler=function(e){r.active&&r.pointerEnabled&&(Wp(e,o,s.pointerCanvasPos),s.mouseover=!0)}),o.addEventListener("mouseup",this._mouseUpHandler=function(e){r.active&&r.pointerEnabled})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;document.removeEventListener("mousemove",this._mouseMoveHandler),e.removeEventListener("mouseenter",this._mouseEnterHandler),e.removeEventListener("mouseleave",this._mouseLeaveHandler),e.removeEventListener("mousedown",this._mouseDownHandler),e.removeEventListener("mouseup",this._mouseUpHandler)}}]),e}();function Wp(e,t,i){if(e){var r=t.getBoundingClientRect(),s=r.left,n=r.top;i[0]=e.clientX-s,i[1]=e.clientY-n}else e=window.event,i[0]=e.x,i[1]=e.y;return i}var Xp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Jp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o=i.pickController,a=i.pivotController,l=re.vec2(),u=re.vec2(),c=re.vec2(),A=re.vec2(),h=[],d=this._scene.canvas.canvas,p=0,f=!1;this._onTick=t.on("tick",(function(){f=!1})),d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){e.preventDefault();var i=e.touches,n=e.changedTouches;for(s.touchStartTime=Date.now(),1===i.length&&1===n.length&&(Xp(i[0],l),r.followPointer&&(o.pickCursorPos=l,o.schedulePickSurface=!0,o.update(),r.planView||(o.picked&&o.pickedSurface&&o.pickResult&&o.pickResult.worldPos?(a.setPivotPos(o.pickResult.worldPos),!r.firstPerson&&a.startPivot()&&a.showPivot()):(r.smartPivot?a.setCanvasPivotPos(s.pointerCanvasPos):a.setPivotPos(t.camera.look),!r.firstPerson&&a.startPivot()&&a.showPivot()))));h.length<i.length;)h.push(re.vec2());for(var u=0,c=i.length;u<c;++u)Xp(i[u],h[u]);p=i.length}}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(){a.getPivoting()&&(a.endPivot(),a.hidePivot())}),d.addEventListener("touchmove",this._canvasTouchMoveHandler=function(e){if(r.active&&r.pointerEnabled&&(e.stopPropagation(),e.preventDefault(),!f)){f=!0;var i=t.canvas.boundary,a=i[2],l=i[3],d=e.touches;if(e.touches.length===p){if(1===p){Xp(d[0],u),re.subVec2(u,h[0],A);var v=A[0],g=A[1];if(null!==s.longTouchTimeout&&(Math.abs(v)>r.longTapRadius||Math.abs(g)>r.longTapRadius)&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),r.planView){var m=t.camera;if("perspective"===m.projection){var _=Math.abs(t.camera.eyeLookDist)*Math.tan(m.perspective.fov/2*Math.PI/180);n.panDeltaX+=v*_/l*r.touchPanRate,n.panDeltaY+=g*_/l*r.touchPanRate}else n.panDeltaX+=.5*m.ortho.scale*(v/l)*r.touchPanRate,n.panDeltaY+=.5*m.ortho.scale*(g/l)*r.touchPanRate}else n.rotateDeltaY-=v/a*(1*r.dragRotationRate),n.rotateDeltaX+=g/l*(1.5*r.dragRotationRate)}else if(2===p){var y=d[0],b=d[1];Xp(y,u),Xp(b,c);var B=re.geometricMeanVec2(h[0],h[1]),w=re.geometricMeanVec2(u,c),P=re.vec2();re.subVec2(B,w,P);var x=P[0],C=P[1],M=t.camera,E=re.distVec2([y.pageX,y.pageY],[b.pageX,b.pageY]),F=(re.distVec2(h[0],h[1])-E)*r.touchDollyRate;if(n.dollyDelta=F,Math.abs(F)<1)if("perspective"===M.projection){var k=o.pickResult?o.pickResult.worldPos:t.center,I=Math.abs(re.lenVec3(re.subVec3(k,t.camera.eye,[])))*Math.tan(M.perspective.fov/2*Math.PI/180);n.panDeltaX-=x*I/l*r.touchPanRate,n.panDeltaY-=C*I/l*r.touchPanRate}else n.panDeltaX-=.5*M.ortho.scale*(x/l)*r.touchPanRate,n.panDeltaY-=.5*M.ortho.scale*(C/l)*r.touchPanRate;s.pointerCanvasPos=w}for(var D=0;D<p;++D)Xp(d[D],h[D])}}})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler),e.removeEventListener("touchmove",this._canvasTouchMoveHandler),this._scene.off(this._onTick)}}]),e}(),Yp=function(e,t){if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t},Zp=function(){function e(t,i,r,s,n){P(this,e),this._scene=t;var o,a=i.pickController,l=i.cameraControl,u=[],c=new Float32Array(2),A=-1,h=-1,d=this._scene.canvas.canvas,p=function(e){var r;e&&e.worldPos&&(r=e.worldPos);var s=e?e.entity.aabb:t.aabb;if(r){var n=t.camera;re.subVec3(n.eye,n.look,[]),i.cameraFlight.flyTo({aabb:s})}else i.cameraFlight.flyTo({aabb:s})};d.addEventListener("touchstart",this._canvasTouchStartHandler=function(e){if(r.active&&r.pointerEnabled){null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null);var t=e.touches,n=e.changedTouches;if(o=Date.now(),1===t.length&&1===n.length){A=o,Yp(t[0],c);var a=c[0],l=c[1],h=t[0].pageX,d=t[0].pageY;s.longTouchTimeout=setTimeout((function(){i.cameraControl.fire("rightClick",{pagePos:[Math.round(h),Math.round(d)],canvasPos:[Math.round(a),Math.round(l)],event:e},!0),s.longTouchTimeout=null}),r.longTapTimeout)}else A=-1;for(;u.length<t.length;)u.push(new Float32Array(2));for(var p=0,f=t.length;p<f;++p)Yp(t[p],u[p]);u.length=t.length}},{passive:!0}),d.addEventListener("touchend",this._canvasTouchEndHandler=function(e){if(r.active&&r.pointerEnabled){var t=Date.now(),i=e.touches,n=e.changedTouches,o=l.hasSubs("pickedSurface");null!==s.longTouchTimeout&&(clearTimeout(s.longTouchTimeout),s.longTouchTimeout=null),0===i.length&&1===n.length&&A>-1&&t-A<150&&(h>-1&&A-h<325?(Yp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("doublePicked",a.pickResult),a.pickedSurface&&l.fire("doublePickedSurface",a.pickResult),r.doublePickFlyTo&&p(a.pickResult)):(l.fire("doublePickedNothing"),r.doublePickFlyTo&&p()),h=-1):re.distVec2(u[0],c)<4&&(Yp(n[0],a.pickCursorPos),a.schedulePickEntity=!0,a.schedulePickSurface=o,a.update(),a.pickResult?(a.pickResult.touchInput=!0,l.fire("picked",a.pickResult),a.pickedSurface&&l.fire("pickedSurface",a.pickResult)):l.fire("pickedNothing"),h=t),A=-1),u.length=i.length;for(var d=0,f=i.length;d<f;++d)u[d][0]=i[d].pageX,u[d][1]=i[d].pageY}},{passive:!0})}return C(e,[{key:"reset",value:function(){}},{key:"destroy",value:function(){var e=this._scene.canvas.canvas;e.removeEventListener("touchstart",this._canvasTouchStartHandler),e.removeEventListener("touchend",this._canvasTouchEndHandler)}}]),e}(),qp=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(r=t.call(this,e,s)).PAN_LEFT=0,r.PAN_RIGHT=1,r.PAN_UP=2,r.PAN_DOWN=3,r.PAN_FORWARDS=4,r.PAN_BACKWARDS=5,r.ROTATE_X_POS=6,r.ROTATE_X_NEG=7,r.ROTATE_Y_POS=8,r.ROTATE_Y_NEG=9,r.DOLLY_FORWARDS=10,r.DOLLY_BACKWARDS=11,r.AXIS_VIEW_RIGHT=12,r.AXIS_VIEW_BACK=13,r.AXIS_VIEW_LEFT=14,r.AXIS_VIEW_FRONT=15,r.AXIS_VIEW_TOP=16,r.AXIS_VIEW_BOTTOM=17,r.MOUSE_PAN=18,r.MOUSE_ROTATE=19,r.MOUSE_DOLLY=20,r._keyMap={},r.scene.canvas.canvas.oncontextmenu=function(e){e.preventDefault()},r._configs={longTapTimeout:600,longTapRadius:5,active:!0,keyboardLayout:"qwerty",navMode:"orbit",planView:!1,firstPerson:!1,followPointer:!0,doublePickFlyTo:!0,panRightClick:!0,showPivot:!1,pointerEnabled:!0,constrainVertical:!1,smartPivot:!1,doubleClickTimeFrame:250,zoomOnMouseWheel:!0,snapToVertex:true,snapToEdge:true,snapRadius:30,keyboardEnabledOnlyIfMouseover:!0,dragRotationRate:360,keyboardRotationRate:90,rotationInertia:0,keyboardPanRate:1,touchPanRate:1,panInertia:.5,keyboardDollyRate:10,mouseWheelDollyRate:100,touchDollyRate:.2,dollyInertia:0,dollyProximityThreshold:30,dollyMinSpeed:.04},r._states={pointerCanvasPos:re.vec2(),mouseover:!1,followPointerDirty:!0,mouseDownClientX:0,mouseDownClientY:0,mouseDownCursorX:0,mouseDownCursorY:0,touchStartTime:null,activeTouches:[],tapStartPos:re.vec2(),tapStartTime:-1,lastTapTime:-1,longTouchTimeout:null},r._updates={rotateDeltaX:0,rotateDeltaY:0,panDeltaX:0,panDeltaY:0,panDeltaZ:0,dollyDelta:0};var n=r.scene;return r._controllers={cameraControl:m(r),pickController:new Dp(m(r),r._configs),pivotController:new Ip(n,r._configs),panController:new Pp(n),cameraFlight:new zd(m(r),{duration:.5})},r._handlers=[new Kp(r.scene,r._controllers,r._configs,r._states,r._updates),new Jp(r.scene,r._controllers,r._configs,r._states,r._updates),new Tp(r.scene,r._controllers,r._configs,r._states,r._updates),new Vp(r.scene,r._controllers,r._configs,r._states,r._updates),new Hp(r.scene,r._controllers,r._configs,r._states,r._updates),new Zp(r.scene,r._controllers,r._configs,r._states,r._updates),new jp(r.scene,r._controllers,r._configs,r._states,r._updates)],r._cursors={dollyForward:"zoom-in",dollyBackward:"zoom-out",rotate:"grabbing",pan:"move"},r._cameraUpdater=new zp(r.scene,r._controllers,r._configs,r._states,r._updates),r.navMode=s.navMode,s.planView&&(r.planView=s.planView),r.constrainVertical=s.constrainVertical,s.keyboardLayout?r.keyboardLayout=s.keyboardLayout:r.keyMap=s.keyMap,r.doublePickFlyTo=s.doublePickFlyTo,r.panRightClick=s.panRightClick,r.active=s.active,r.followPointer=s.followPointer,r.rotationInertia=s.rotationInertia,r.keyboardPanRate=s.keyboardPanRate,r.touchPanRate=s.touchPanRate,r.keyboardRotationRate=s.keyboardRotationRate,r.dragRotationRate=s.dragRotationRate,r.touchDollyRate=s.touchDollyRate,r.dollyInertia=s.dollyInertia,r.dollyProximityThreshold=s.dollyProximityThreshold,r.dollyMinSpeed=s.dollyMinSpeed,r.panInertia=s.panInertia,r.pointerEnabled=!0,r.keyboardDollyRate=s.keyboardDollyRate,r.mouseWheelDollyRate=s.mouseWheelDollyRate,r}return C(i,[{key:"keyMap",get:function(){return this._keyMap},set:function(e){if(e=e||"qwerty",he.isString(e)){var t=this.scene.input,i={};switch(e){default:this.error("Unsupported value for 'keyMap': "+e+" defaulting to 'qwerty'");case"qwerty":i[this.PAN_LEFT]=[t.KEY_A],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_Z],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_W,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_Q,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[];break;case"azerty":i[this.PAN_LEFT]=[t.KEY_Q],i[this.PAN_RIGHT]=[t.KEY_D],i[this.PAN_UP]=[t.KEY_W],i[this.PAN_DOWN]=[t.KEY_X],i[this.PAN_BACKWARDS]=[],i[this.PAN_FORWARDS]=[],i[this.DOLLY_FORWARDS]=[t.KEY_Z,t.KEY_ADD],i[this.DOLLY_BACKWARDS]=[t.KEY_S,t.KEY_SUBTRACT],i[this.ROTATE_X_POS]=[t.KEY_DOWN_ARROW],i[this.ROTATE_X_NEG]=[t.KEY_UP_ARROW],i[this.ROTATE_Y_POS]=[t.KEY_A,t.KEY_LEFT_ARROW],i[this.ROTATE_Y_NEG]=[t.KEY_E,t.KEY_RIGHT_ARROW],i[this.AXIS_VIEW_RIGHT]=[t.KEY_NUM_1],i[this.AXIS_VIEW_BACK]=[t.KEY_NUM_2],i[this.AXIS_VIEW_LEFT]=[t.KEY_NUM_3],i[this.AXIS_VIEW_FRONT]=[t.KEY_NUM_4],i[this.AXIS_VIEW_TOP]=[t.KEY_NUM_5],i[this.AXIS_VIEW_BOTTOM]=[t.KEY_NUM_6],i[this.MOUSE_PAN]=[[t.MOUSE_LEFT_BUTTON,t.KEY_SHIFT],this._configs.panRightClick?t.MOUSE_RIGHT_BUTTON:t.MOUSE_MIDDLE_BUTTON],i[this.MOUSE_ROTATE]=[t.MOUSE_LEFT_BUTTON],i[this.MOUSE_DOLLY]=[]}this._keyMap=i}else{var r=e;this._keyMap=r}}},{key:"_areAllKeysDown",value:function(e,t){if(!t||t.length<=0)return!0;if(!e)return!1;for(var i=0,r=t.length;i<r;i++){if(!e[t[i]])return!1}return!0}},{key:"_isAnyOtherKeyDown",value:function(e,t){for(var i=0,r=e.length;i<r;i++)if(e[i])if(Array.isArray(t)){if(t.indexOf(i)<0)return!0}else if(i!==t)return!0;return!1}},{key:"_isMouseAction",value:function(e){switch(e){case this.MOUSE_ROTATE:case this.MOUSE_DOLLY:case this.MOUSE_PAN:return!0;default:return!1}}},{key:"_isKeyDownForAction",value:function(e,t){var i=this._keyMap[e];if(!i)return!1;if(0===i.length&&this._isMouseAction(e))return!0;t||(t=this.scene.input.keyDown);for(var r=0,s=i.length;r<s;r++){var n=i[r];if(Array.isArray(n)){if(this._areAllKeysDown(t,n)&&!this._isAnyOtherKeyDown(t,n))return!0}else if(t[n]&&!this._isAnyOtherKeyDown(t,n))return!0}return!1}},{key:"pivotElement",set:function(e){this._controllers.pivotController.setPivotElement(e)}},{key:"active",get:function(){return this._configs.active},set:function(e){e=!1!==e,this._configs.active=e,this._handlers[1]._active=e,this._handlers[5]._active=e}},{key:"snapToVertex",get:function(){return this._configs.snapToVertex},set:function(e){this._configs.snapToVertex=!!e}},{key:"snapToEdge",get:function(){return this._configs.snapToEdge},set:function(e){this._configs.snapToEdge=!!e}},{key:"snapRadius",get:function(){return this._configs.snapRadius},set:function(e){e=e||30,this._configs.snapRadius=e}},{key:"keyboardEnabledOnlyIfMouseover",get:function(){return this._configs.keyboardEnabledOnlyIfMouseover},set:function(e){this._configs.keyboardEnabledOnlyIfMouseover=!!e}},{key:"navMode",get:function(){return this._configs.navMode},set:function(e){"firstPerson"!==(e=e||"orbit")&&"orbit"!==e&&"planView"!==e&&(this.error("Unsupported value for navMode: "+e+" - supported values are 'orbit', 'firstPerson' and 'planView' - defaulting to 'orbit'"),e="orbit"),this._configs.firstPerson="firstPerson"===e,this._configs.planView="planView"===e,(this._configs.firstPerson||this._configs.planView)&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this._configs.navMode=e}},{key:"pointerEnabled",get:function(){return this._configs.pointerEnabled},set:function(e){this._reset(),this._configs.pointerEnabled=!!e}},{key:"setCursorStyle",value:function(e,t){Object.prototype.hasOwnProperty.call(this._cursors,e)?this._cursors=l(l({},this._cursors),{},u({},e,t)):console.warn("Action '".concat(e,"' is not valid for cursor styles."))}},{key:"getCursorStyle",value:function(e){return this._cursors[e]||null}},{key:"_reset",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.reset&&i.reset()}this._updates.panDeltaX=0,this._updates.panDeltaY=0,this._updates.rotateDeltaX=0,this._updates.rotateDeltaY=0,this._updates.dolyDelta=0}},{key:"followPointer",get:function(){return this._configs.followPointer},set:function(e){this._configs.followPointer=!1!==e}},{key:"pivotPos",get:function(){return this._controllers.pivotController.getPivotPos()},set:function(e){this._controllers.pivotController.setPivotPos(e)}},{key:"dollyToPointer",get:function(){return this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer},set:function(e){this.warn("dollyToPointer property is deprecated - replaced with followPointer"),this.followPointer=e}},{key:"panToPointer",get:function(){return this.warn("panToPointer property is deprecated - replaced with followPointer"),!1},set:function(e){this.warn("panToPointer property is deprecated - replaced with followPointer")}},{key:"planView",get:function(){return this.warn("planView property is deprecated - replaced with navMode"),this._configs.planView},set:function(e){this._configs.planView=!!e,this._configs.firstPerson=!1,this._configs.planView&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot()),this.warn("planView property is deprecated - replaced with navMode")}},{key:"firstPerson",get:function(){return this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson},set:function(e){this.warn("firstPerson property is deprecated - replaced with navMode"),this._configs.firstPerson=!!e,this._configs.planView=!1,this._configs.firstPerson&&(this._controllers.pivotController.hidePivot(),this._controllers.pivotController.endPivot())}},{key:"constrainVertical",get:function(){return this._configs.constrainVertical},set:function(e){this._configs.constrainVertical=!!e}},{key:"doublePickFlyTo",get:function(){return this._configs.doublePickFlyTo},set:function(e){this._configs.doublePickFlyTo=!1!==e}},{key:"panRightClick",get:function(){return this._configs.panRightClick},set:function(e){this._configs.panRightClick=!1!==e;var t=this._keyMap[this.MOUSE_PAN];if(t&&t.length>0)for(var i=this.scene.input,r=0,s=t.length;r<s;r++)this._configs.panRightClick&&t[r]===i.MOUSE_MIDDLE_BUTTON?this._keyMap[this.MOUSE_PAN][r]=i.MOUSE_RIGHT_BUTTON:this._configs.panRightClick||t[r]!==i.MOUSE_RIGHT_BUTTON||(this._keyMap[this.MOUSE_PAN][r]=i.MOUSE_MIDDLE_BUTTON)}},{key:"rotationInertia",get:function(){return this._configs.rotationInertia},set:function(e){this._configs.rotationInertia=null!=e?e:0}},{key:"keyboardPanRate",get:function(){return this._configs.keyboardPanRate},set:function(e){this._configs.keyboardPanRate=null!=e?e:5}},{key:"touchPanRate",get:function(){return this._configs.touchPanRate},set:function(e){this._configs.touchPanRate=null!=e?e:1}},{key:"keyboardRotationRate",get:function(){return this._configs.keyboardRotationRate},set:function(e){this._configs.keyboardRotationRate=null!=e?e:90}},{key:"dragRotationRate",get:function(){return this._configs.dragRotationRate},set:function(e){this._configs.dragRotationRate=null!=e?e:360}},{key:"keyboardDollyRate",get:function(){return this._configs.keyboardDollyRate},set:function(e){this._configs.keyboardDollyRate=null!=e?e:15}},{key:"touchDollyRate",get:function(){return this._configs.touchDollyRate},set:function(e){this._configs.touchDollyRate=null!=e?e:.2}},{key:"mouseWheelDollyRate",get:function(){return this._configs.mouseWheelDollyRate},set:function(e){this._configs.mouseWheelDollyRate=null!=e?e:100}},{key:"dollyInertia",get:function(){return this._configs.dollyInertia},set:function(e){this._configs.dollyInertia=null!=e?e:0}},{key:"dollyProximityThreshold",get:function(){return this._configs.dollyProximityThreshold},set:function(e){this._configs.dollyProximityThreshold=null!=e?e:35}},{key:"dollyMinSpeed",get:function(){return this._configs.dollyMinSpeed},set:function(e){this._configs.dollyMinSpeed=null!=e?e:.04}},{key:"panInertia",get:function(){return this._configs.panInertia},set:function(e){this._configs.panInertia=null!=e?e:.5}},{key:"keyboardLayout",get:function(){return this._configs.keyboardLayout},set:function(e){"qwerty"!==(e=e||"qwerty")&&"azerty"!==e&&(this.error("Unsupported value for keyboardLayout - defaulting to 'qwerty'"),e="qwerty"),this._configs.keyboardLayout=e,this.keyMap=this._configs.keyboardLayout}},{key:"enablePivotSphere",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this._controllers.pivotController.enablePivotSphere(e)}},{key:"disablePivotSphere",value:function(){this._controllers.pivotController.disablePivotSphere()}},{key:"smartPivot",get:function(){return this._configs.smartPivot},set:function(e){this._configs.smartPivot=!1!==e}},{key:"doubleClickTimeFrame",get:function(){return this._configs.doubleClickTimeFrame},set:function(e){this._configs.doubleClickTimeFrame=null!=e?e:250}},{key:"zoomOnMouseWheel",get:function(){return this._configs.zoomOnMouseWheel},set:function(e){this._configs.zoomOnMouseWheel=!!e}},{key:"destroy",value:function(){this._destroyHandlers(),this._destroyControllers(),this._cameraUpdater.destroy(),h(_(i.prototype),"destroy",this).call(this)}},{key:"_destroyHandlers",value:function(){for(var e=0,t=this._handlers.length;e<t;e++){var i=this._handlers[e];i.destroy&&i.destroy()}}},{key:"_destroyControllers",value:function(){for(var e=0,t=this._controllers.length;e<t;e++){var i=this._controllers[e];i.destroy&&i.destroy()}}}]),i}(),$p=C((function e(t,i,r,s,n){P(this,e),this.name=t,this.type=r,this.value=i,this.valueType=s,this.description=n})),ef=C((function e(t){if(P(this,e),this.id=t.id,this.originalSystemId=t.originalSystemId,this.metaModels=[],this.name=t.name,this.type=t.type,this.properties=[],t.properties)for(var i=t.properties,r=0,s=i.length;r<s;r++){var n=i[r];Number.isInteger(n)?this.properties.push(n):this.properties.push(new $p(n.name,n.value,n.type,n.valueType,n.description))}})),tf=function(){function e(t){P(this,e),this.metaModels=[],this.id=t.id,this.parentId=t.parentId,this.parent=null,this.originalSystemId=t.originalSystemId,this.name=t.name,this.type=t.type,this.propertySetIds=t.propertySetIds,this.propertySets=[],this.attributes=t.attributes||{},void 0!==t.external&&null!==t.external&&(this.external=t.external)}return C(e,[{key:"metaModel",get:function(){return 1==this.metaModels.length?this.metaModels[0]:null}},{key:"getObjectIDsInSubtree",value:function(){var e=[];return function t(i){if(i){e.push(i.id);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this),e}},{key:"withMetaObjectsInSubtree",value:function(e){!function t(i){if(i){e(i);var r=i.children;if(r)for(var s=0,n=r.length;s<n;s++)t(r[s])}}(this)}},{key:"getObjectIDsInSubtreeByType",value:function(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=e[i];var s=[];return function e(i){if(i){t[i.type]&&s.push(i.id);var r=i.children;if(r)for(var n=0,o=r.length;n<o;n++)e(r[n])}}(this),s}},{key:"getJSON",value:function(){var e={id:this.id,type:this.type,name:this.name};return this.parent&&(e.parent=this.parent.id),e}}]),e}(),rf=function(){function e(t){P(this,e),this.id=t.id,this.projectId=t.projectId,this.revisionId=t.revisionId,this.author=t.author,this.createdAt=t.createdAt,this.creatingApplication=t.creatingApplication,this.schema=t.schema,this.metaScene=t.metaScene,this.propertySets=[],this.rootMetaObjects=[],this.metaObjects={},this.graph=t.graph||{},this.metaScene.metaModels[this.id]=this,this._propertyLookup=[],this.finalized=!1}return C(e,[{key:"rootMetaObject",get:function(){return 1===this.rootMetaObjects.length?this.rootMetaObjects[0]:null}},{key:"loadData",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this.finalized)throw"MetaScene already finalized - can't add more data";this._globalizeIDs(e,t);var i=this.metaScene,r=e.properties;if(r)for(var s=0,n=r.length;s<n;s++)this._propertyLookup.push(r[s]);if(e.propertySets)for(var o=0,a=e.propertySets.length;o<a;o++){var l=e.propertySets[o];l.properties||(l.properties=[]);var u=i.propertySets[l.id];u||(u=new ef({id:l.id,originalSystemId:l.originalSystemId||l.id,type:l.type,name:l.name,properties:l.properties}),i.propertySets[u.id]=u),u.metaModels.push(this),this.propertySets.push(u)}if(e.metaObjects)for(var c=0,A=e.metaObjects.length;c<A;c++){var h=e.metaObjects[c],d=h.id,p=i.metaObjects[d];if(!p){var f=h.type,v=h.originalSystemId,g=h.propertySets||h.propertySetIds;p=new tf({id:d,originalSystemId:v,parentId:h.parent,type:f,name:h.name,attributes:h.attributes,propertySetIds:g,external:h.external}),this.metaScene.metaObjects[d]=p,p.metaModels=[]}this.metaObjects[d]=p,h.parent||(this.rootMetaObjects.push(p),i.rootMetaObjects[d]=p),p.metaModels.push(this)}}},{key:"_decompressProperties",value:function(e,t){for(var i=[],r=0,s=t.length;r<s;r++){var n=t[r];if(Number.isInteger(n)){var o=e[n];o?t[r]=o:i.push(n)}}i.length>0&&console.error("[MetaModel._decompressProperties] Properties not found: ".concat(i))}},{key:"finalize",value:function(){if(this.finalized)throw"MetaScene already finalized - can't re-finalize";var e=this.metaScene;for(var t in e.metaObjects){var i=e.metaObjects[t];if(i.children&&(i.children=[]),i.propertySets&&(i.propertySets=[]),i.propertySetIds)for(var r=0,s=i.propertySetIds.length;r<s;r++){var n=i.propertySetIds[r],o=e.propertySets[n];i.propertySets.push(o)}}for(var a in e.metaObjects){var l=e.metaObjects[a];if(l.parentId){var u=e.metaObjects[l.parentId];u&&(l.parent=u,(u.children||(u.children=[])).push(l))}}for(var c in e.metaObjects){e.metaObjects[c].metaModels=[]}for(var A in e.metaModels){var h=e.metaModels[A];for(var d in h.metaObjects){h.metaObjects[d].metaModels.push(h)}}for(var p in e.metaObjectsByType={},e.metaObjects){var f=e.metaObjects[p],v=f.type;(e.metaObjectsByType[v]||(e.metaObjectsByType[v]={}))[p]=f}if(this.propertySets)for(var g=0,m=this.propertySets.length;g<m;g++){var _=this.propertySets[g];this._decompressProperties(this._propertyLookup,_.properties)}this._propertyLookup=[],this.finalized=!0,this.metaScene.fire("metaModelCreated",this.id)}},{key:"getJSON",value:function(){for(var e={id:this.id,projectId:this.projectId,author:this.author,createdAt:this.createdAt,schema:this.schema,creatingApplication:this.creatingApplication,metaObjects:[],propertySets:[]},t=Object.values(this.metaObjects),i=0,r=t.length;i<r;i++){var s=t[i],n={id:s.id,originalSystemId:s.originalSystemId,extId:s.extId,type:s.type,name:s.name};s.parent&&(n.parent=s.parent.id),s.attributes&&(n.attributes=s.attributes),s.propertySetIds&&(n.propertySetIds=s.propertySetIds),e.metaObjects.push(n)}for(var o=0,a=this.propertySets.length;o<a;o++){for(var l=this.propertySets[o],u={id:l.id,originalSystemId:l.originalSystemId,extId:l.extId,type:l.type,name:l.name,propertyies:[]},c=0,A=l.properties.length;c<A;c++){var h=l.properties[c],d={id:h.id,description:h.description,type:h.type,name:h.name,value:h.value,valueType:h.valueType};u.properties.push(d)}e.propertySets.push(u)}return e}},{key:"_globalizeIDs",value:function(e,t){var i=!!t.globalizeObjectIds;if(e.metaObjects)for(var r=0,s=e.metaObjects.length;r<s;r++){var n=e.metaObjects[r];if(n.originalSystemId=n.id,n.parent&&(n.originalParentSystemId=n.parent),i&&(n.id=re.globalizeObjectId(this.id,n.id),n.parent&&(n.parent=re.globalizeObjectId(this.id,n.parent))),i){var o=n.propertySetIds;if(o){for(var a=[],l=0,u=o.length;l<u;l++)a.push(re.globalizeObjectId(this.id,o[l]));n.propertySetIds=a,n.originalSystemPropertySetIds=o}}else n.originalSystemPropertySetIds=n.propertySetIds}if(e.propertySets)for(var c=0,A=e.propertySets.length;c<A;c++){var h=e.propertySets[c];h.originalSystemId=h.id,i&&(h.id=re.globalizeObjectId(this.id,h.id))}}}]),e}(),sf=function(){function e(t,i){P(this,e),this.viewer=t,this.scene=i,this.metaModels={},this.propertySets={},this.metaObjects={},this.metaObjectsByType={},this.rootMetaObjects={},this._eventSubs={}}return C(e,[{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"createMetaModel",value:function(e,t){var i=new rf({metaScene:this,id:e,projectId:t.projectId||"none",revisionId:t.revisionId||"none",author:t.author||"none",createdAt:t.createdAt||"none",creatingApplication:t.creatingApplication||"none",schema:t.schema||"none",propertySets:[]});return i.loadData(t),i.finalize(),i}},{key:"destroyMetaModel",value:function(e){var t=this.metaModels[e];if(t){if(t.propertySets)for(var i=0,r=t.propertySets.length;i<r;i++){var s=t.propertySets[i];if(1===s.metaModels.length&&s.metaModels[0].id===e)delete this.propertySets[s.id];else{for(var n=[],o=0,a=s.metaModels.length;o<a;o++)s.metaModels[o].id!==e&&n.push(s.metaModels[o]);s.metaModels=n}}if(t.metaObjects)for(var l in t.metaObjects){var u=t.metaObjects[l];1===u.metaModels.length&&u.metaModels[0].id===e?(delete this.metaObjects[l],u.parent||delete this.rootMetaObjects[l]):u.metaModels=u.metaModels.filter((function(t){return t.id!==e}))}for(var c in this.metaObjects){var A=this.metaObjects[c];if(A.children&&(A.children=[]),A.propertySets&&(A.propertySets=[]),A.propertySetIds)for(var h=0,d=A.propertySetIds.length;h<d;h++){var p=A.propertySetIds[h],f=this.propertySets[p];A.propertySets.push(f)}}for(var v in this.metaObjectsByType={},this.metaObjects){var g=this.metaObjects[v],m=g.type;g.children&&(g.children=null),(this.metaObjectsByType[m]||(this.metaObjectsByType[m]={}))[v]=g}for(var _ in this.metaObjects){var y=this.metaObjects[_];if(y.parentId){var b=this.metaObjects[y.parentId];b&&(y.parent=b,(b.children||(b.children=[])).push(y))}}for(var B in delete this.metaModels[e],this.metaObjects){this.metaObjects[B].metaModels=[]}for(var w in this.metaModels){var P=this.metaModels[w];for(var x in P.metaObjects){P.metaObjects[x].metaModels.push(P)}}this.fire("metaModelDestroyed",e)}}},{key:"getObjectIDsByType",value:function(e){var t=this.metaObjectsByType[e];return t?Object.keys(t):[]}},{key:"getObjectIDsInSubtree",value:function(e,t,i){var r=[],s=this.metaObjects[e],n=t&&t.length>0?nf(t):null,o=i&&i.length>0?nf(i):null;return function e(t){if(t){var i=!0;(o&&o[t.type]||n&&!n[t.type])&&(i=!1),i&&r.push(t.id);var s=t.children;if(s)for(var a=0,l=s.length;a<l;a++)e(s[a])}}(s),r}},{key:"withMetaObjectsInSubtree",value:function(e,t){var i=this.metaObjects[e];i&&i.withMetaObjectsInSubtree(t)}}]),e}();function nf(e){for(var t={},i=0,r=e.length;i<r;i++)t[e[i]]=!0;return t}
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  * html2canvas 1.4.1 <https://html2canvas.hertzen.com>
  * Copyright (c) 2022 Niklas von Hertzen <https://hertzen.com>
@@ -33,4 +33,4 @@ INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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 OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 PERFORMANCE OF THIS SOFTWARE.
-***************************************************************************** */var sf=function(e,t){return sf=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)Object.prototype.hasOwnProperty.call(t,i)&&(e[i]=t[i])},sf(e,t)};function nf(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Class extends value "+String(t)+" is not a constructor or null");function i(){this.constructor=e}sf(e,t),e.prototype=null===t?Object.create(t):(i.prototype=t.prototype,new i)}var of=function(){return of=Object.assign||function(e){for(var t,i=1,r=arguments.length;i<r;i++)for(var s in t=arguments[i])Object.prototype.hasOwnProperty.call(t,s)&&(e[s]=t[s]);return e},of.apply(this,arguments)};function af(e,t,i,r){return new(i||(i=Promise))((function(s,n){function o(e){try{l(r.next(e))}catch(e){n(e)}}function a(e){try{l(r.throw(e))}catch(e){n(e)}}function l(e){var t;e.done?s(e.value):(t=e.value,t instanceof i?t:new 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this.consumeStringToken(39);case 40:return _v;case 41:return yv;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Fv;break;case 43:if(gv(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return bv;case 45:var n=e,o=this.peekCodePoint(0),a=this.peekCodePoint(1);if(gv(n,o,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(vv(n,o,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===o&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),Sv;break;case 46:if(gv(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return Tv;case 59:return Rv;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),Dv;break;case 64:var u=this.peekCodePoint(0),c=this.peekCodePoint(1),A=this.peekCodePoint(2);if(vv(u,c,A))return{type:7,value:this.consumeName()};break;case 91:return Lv;case 92:if(fv(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return Uv;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),wv;break;case 123:return Mv;case 125:return Ev;case 117:case 85:var h=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==h||!cv(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),xv;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),Pv;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Cv;break;case-1:return Nv}return Av(e)?(this.consumeWhiteSpace(),Ov):uv(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):hv(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:df(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();cv(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(df.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(df.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var r=parseInt(df.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&cv(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var s=[];cv(t)&&s.length<6;)s.push(t),t=this.consumeCodePoint();return{type:30,start:r,end:parseInt(df.apply(void 0,s),16)}}return{type:30,start:r,end:r}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),kv)}for(;;){var r=this.consumeCodePoint();if(-1===r||41===r)return{type:22,value:df.apply(void 0,e)};if(Av(r))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:df.apply(void 0,e)}):(this.consumeBadUrlRemnants(),kv);if(34===r||39===r||40===r||pv(r))return this.consumeBadUrlRemnants(),kv;if(92===r){if(!fv(r,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),kv;e.push(this.consumeEscapedCodePoint())}else e.push(r)}},e.prototype.consumeWhiteSpace=function(){for(;Av(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;fv(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=df.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var r=this._value[i];if(-1===r||void 0===r||r===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===r)return this._value.splice(0,i),Iv;if(92===r){var s=this._value[i+1];-1!==s&&void 0!==s&&(10===s?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):fv(r,s)&&(t+=this.consumeStringSlice(i),t+=df(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());uv(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var r=this.peekCodePoint(1);if(46===i&&uv(r))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;uv(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),r=this.peekCodePoint(1);var s=this.peekCodePoint(2);if((69===i||101===i)&&((43===r||45===r)&&uv(s)||uv(r)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;uv(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[mv(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],r=this.peekCodePoint(0),s=this.peekCodePoint(1),n=this.peekCodePoint(2);return vv(r,s,n)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===r?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(cv(e)){for(var t=df(e);cv(this.peekCodePoint(0))&&t.length<6;)t+=df(this.consumeCodePoint());Av(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(dv(t))e+=df(t);else{if(!fv(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=df(this.consumeEscapedCodePoint())}}},e}(),Vv=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new Qv;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||Yv(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?Nv:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Hv=function(e){return 15===e.type},jv=function(e){return 17===e.type},Gv=function(e){return 20===e.type},zv=function(e){return 0===e.type},Kv=function(e,t){return Gv(e)&&e.value===t},Wv=function(e){return 31!==e.type},Xv=function(e){return 31!==e.type&&4!==e.type},Jv=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},Yv=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},Zv=function(e){return 17===e.type||15===e.type},qv=function(e){return 16===e.type||Zv(e)},$v=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},eg={type:17,number:0,flags:4},tg={type:16,number:50,flags:4},ig={type:16,number:100,flags:4},rg=function(e,t,i){var r=e[0],s=e[1];return[sg(r,t),sg(void 0!==s?s:r,i)]},sg=function(e,t){if(16===e.type)return e.number/100*t;if(Hv(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},ng=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},og=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},ag=function(e){switch(e.filter(Gv).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[eg,eg];case"to top":case"bottom":return lg(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[eg,ig];case"to right":case"left":return lg(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[ig,ig];case"to bottom":case"top":return lg(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[ig,eg];case"to left":case"right":return lg(270)}return 0},lg=function(e){return Math.PI*e/180},ug=function(e,t){if(18===t.type){var i=gg[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color function "'+t.name+'"');return i(e,t.values)}if(5===t.type){if(3===t.value.length){var r=t.value.substring(0,1),s=t.value.substring(1,2),n=t.value.substring(2,3);return hg(parseInt(r+r,16),parseInt(s+s,16),parseInt(n+n,16),1)}if(4===t.value.length){r=t.value.substring(0,1),s=t.value.substring(1,2),n=t.value.substring(2,3);var o=t.value.substring(3,4);return hg(parseInt(r+r,16),parseInt(s+s,16),parseInt(n+n,16),parseInt(o+o,16)/255)}if(6===t.value.length){r=t.value.substring(0,2),s=t.value.substring(2,4),n=t.value.substring(4,6);return hg(parseInt(r,16),parseInt(s,16),parseInt(n,16),1)}if(8===t.value.length){r=t.value.substring(0,2),s=t.value.substring(2,4),n=t.value.substring(4,6),o=t.value.substring(6,8);return hg(parseInt(r,16),parseInt(s,16),parseInt(n,16),parseInt(o,16)/255)}}if(20===t.type){var a=_g[t.value.toUpperCase()];if(void 0!==a)return a}return _g.TRANSPARENT},cg=function(e){return 0==(255&e)},Ag=function(e){var t=255&e,i=255&e>>8,r=255&e>>16,s=255&e>>24;return t<255?"rgba("+s+","+r+","+i+","+t/255+")":"rgb("+s+","+r+","+i+")"},hg=function(e,t,i,r){return(e<<24|t<<16|i<<8|Math.round(255*r)<<0)>>>0},dg=function(e,t){if(17===e.type)return e.number;if(16===e.type){var i=3===t?1:255;return 3===t?e.number/100*i:Math.round(e.number/100*i)}return 0},pg=function(e,t){var i=t.filter(Xv);if(3===i.length){var r=i.map(dg),s=r[0],n=r[1],o=r[2];return hg(s,n,o,1)}if(4===i.length){var a=i.map(dg),l=(s=a[0],n=a[1],o=a[2],a[3]);return hg(s,n,o,l)}return 0};function fg(e,t,i){return i<0&&(i+=1),i>=1&&(i-=1),i<1/6?(t-e)*i*6+e:i<.5?t:i<2/3?6*(t-e)*(2/3-i)+e:e}var vg=function(e,t){var i=t.filter(Xv),r=i[0],s=i[1],n=i[2],o=i[3],a=(17===r.type?lg(r.number):ng(e,r))/(2*Math.PI),l=qv(s)?s.number/100:0,u=qv(n)?n.number/100:0,c=void 0!==o&&qv(o)?sg(o,1):1;if(0===l)return hg(255*u,255*u,255*u,1);var A=u<=.5?u*(l+1):u+l-u*l,h=2*u-A,d=fg(h,A,a+1/3),p=fg(h,A,a),f=fg(h,A,a-1/3);return hg(255*d,255*p,255*f,c)},gg={hsl:vg,hsla:vg,rgb:pg,rgba:pg},mg=function(e,t){return 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hb(i.left+P/2,i.top+b/2),this.topRightBorderStroke=s>0||n>0?gb(i.left+g,i.top+b/2,a-B/2,l-b/2,Hy.TOP_RIGHT):new hb(i.left+i.width-B/2,i.top+b/2),this.bottomRightBorderStroke=c>0||A>0?gb(i.left+_,i.top+m,c-B/2,A-w/2,Hy.BOTTOM_RIGHT):new hb(i.left+i.width-B/2,i.top+i.height-w/2),this.bottomLeftBorderStroke=d>0||p>0?gb(i.left+P/2,i.top+y,d-P/2,p-w/2,Hy.BOTTOM_LEFT):new hb(i.left+P/2,i.top+i.height-w/2),this.topLeftBorderBox=s>0||n>0?gb(i.left,i.top,s,n,Hy.TOP_LEFT):new hb(i.left,i.top),this.topRightBorderBox=a>0||l>0?gb(i.left+g,i.top,a,l,Hy.TOP_RIGHT):new hb(i.left+i.width,i.top),this.bottomRightBorderBox=c>0||A>0?gb(i.left+_,i.top+m,c,A,Hy.BOTTOM_RIGHT):new hb(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?gb(i.left,i.top+y,d,p,Hy.BOTTOM_LEFT):new hb(i.left,i.top+i.height),this.topLeftPaddingBox=s>0||n>0?gb(i.left+P,i.top+b,Math.max(0,s-P),Math.max(0,n-b),Hy.TOP_LEFT):new hb(i.left+P,i.top+b),this.topRightPaddingBox=a>0||l>0?gb(i.left+Math.min(g,i.width-B),i.top+b,g>i.width+B?0:Math.max(0,a-B),Math.max(0,l-b),Hy.TOP_RIGHT):new hb(i.left+i.width-B,i.top+b),this.bottomRightPaddingBox=c>0||A>0?gb(i.left+Math.min(_,i.width-P),i.top+Math.min(m,i.height-w),Math.max(0,c-B),Math.max(0,A-w),Hy.BOTTOM_RIGHT):new hb(i.left+i.width-B,i.top+i.height-w),this.bottomLeftPaddingBox=d>0||p>0?gb(i.left+P,i.top+Math.min(y,i.height-w),Math.max(0,d-P),Math.max(0,p-w),Hy.BOTTOM_LEFT):new hb(i.left+P,i.top+i.height-w),this.topLeftContentBox=s>0||n>0?gb(i.left+P+E,i.top+b+x,Math.max(0,s-(P+E)),Math.max(0,n-(b+x)),Hy.TOP_LEFT):new hb(i.left+P+E,i.top+b+x),this.topRightContentBox=a>0||l>0?gb(i.left+Math.min(g,i.width+P+E),i.top+b+x,g>i.width+P+E?0:a-P+E,l-(b+x),Hy.TOP_RIGHT):new hb(i.left+i.width-(B+C),i.top+b+x),this.bottomRightContentBox=c>0||A>0?gb(i.left+Math.min(_,i.width-(P+E)),i.top+Math.min(m,i.height+b+x),Math.max(0,c-(B+C)),A-(w+M),Hy.BOTTOM_RIGHT):new hb(i.left+i.width-(B+C),i.top+i.height-(w+M)),this.bottomLeftContentBox=d>0||p>0?gb(i.left+P+E,i.top+y,Math.max(0,d-(P+E)),p-(w+M),Hy.BOTTOM_LEFT):new hb(i.left+P+E,i.top+i.height-(w+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(Hy||(Hy={}));var gb=function(e,t,i,r,s){var n=(Math.sqrt(2)-1)/3*4,o=i*n,a=r*n,l=e+i,u=t+r;switch(s){case Hy.TOP_LEFT:return new pb(new hb(e,u),new hb(e,u-a),new hb(l-o,t),new hb(l,t));case Hy.TOP_RIGHT:return new pb(new hb(e,t),new hb(e+o,t),new hb(l,u-a),new hb(l,u));case Hy.BOTTOM_RIGHT:return new pb(new hb(l,t),new hb(l,t+a),new hb(e+o,u),new hb(e,u));case Hy.BOTTOM_LEFT:default:return new pb(new hb(l,u),new hb(l-o,u),new hb(e,t+a),new hb(e,t))}},mb=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},_b=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},yb=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},bb=function(e,t){this.path=e,this.target=t,this.type=1},Bb=function(e){this.opacity=e,this.type=2,this.target=6},wb=function(e){return 1===e.type},Pb=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},xb=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},Cb=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new vb(this.container),this.container.styles.opacity<1&&this.effects.push(new Bb(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,r=this.container.bounds.top+this.container.styles.transformOrigin[1].number,s=this.container.styles.transform;this.effects.push(new yb(i,r,s))}if(0!==this.container.styles.overflowX){var n=mb(this.curves),o=_b(this.curves);Pb(n,o)?this.effects.push(new bb(n,6)):(this.effects.push(new bb(n,2)),this.effects.push(new bb(o,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,r=this.effects.slice(0);i;){var s=i.effects.filter((function(e){return!wb(e)}));if(t||0!==i.container.styles.position||!i.parent){if(r.unshift.apply(r,s),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var n=mb(i.curves),o=_b(i.curves);Pb(n,o)||r.unshift(new bb(o,6))}}else r.unshift.apply(r,s);i=i.parent}return r.filter((function(t){return qm(t.target,e)}))},e}(),Mb=function e(t,i,r,s){t.container.elements.forEach((function(n){var o=qm(n.flags,4),a=qm(n.flags,2),l=new Cb(n,t);qm(n.styles.display,2048)&&s.push(l);var u=qm(n.flags,8)?[]:s;if(o||a){var c=o||n.styles.isPositioned()?r:i,A=new xb(l);if(n.styles.isPositioned()||n.styles.opacity<1||n.styles.isTransformed()){var h=n.styles.zIndex.order;if(h<0){var d=0;c.negativeZIndex.some((function(e,t){return h>e.element.container.styles.zIndex.order?(d=t,!1):d>0})),c.negativeZIndex.splice(d,0,A)}else if(h>0){var p=0;c.positiveZIndex.some((function(e,t){return h>=e.element.container.styles.zIndex.order?(p=t+1,!1):p>0})),c.positiveZIndex.splice(p,0,A)}else c.zeroOrAutoZIndexOrTransformedOrOpacity.push(A)}else n.styles.isFloating()?c.nonPositionedFloats.push(A):c.nonPositionedInlineLevel.push(A);e(l,A,o?A:r,u)}else n.styles.isInlineLevel()?i.inlineLevel.push(l):i.nonInlineLevel.push(l),e(l,i,r,u);qm(n.flags,8)&&Eb(n,u)}))},Eb=function(e,t){for(var i=e instanceof q_?e.start:1,r=e instanceof q_&&e.reversed,s=0;s<t.length;s++){var n=t[s];n.container instanceof Z_&&"number"==typeof n.container.value&&0!==n.container.value&&(i=n.container.value),n.listValue=Qy(i,n.container.styles.listStyleType,!0),i+=r?-1:1}},Fb=function(e){var t=new Cb(e,null),i=new xb(t),r=[];return Mb(t,i,i,r),Eb(t.container,r),i},kb=function(e,t){switch(t){case 0:return Db(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return Db(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return Db(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return Db(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},Ib=function(e,t){var i=[];return fb(e)?i.push(e.subdivide(.5,!1)):i.push(e),fb(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},Db=function(e,t,i,r){var s=[];return fb(e)?s.push(e.subdivide(.5,!1)):s.push(e),fb(i)?s.push(i.subdivide(.5,!0)):s.push(i),fb(r)?s.push(r.subdivide(.5,!0).reverse()):s.push(r),fb(t)?s.push(t.subdivide(.5,!1).reverse()):s.push(t),s},Sb=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},Tb=function(e){var t=e.styles,i=e.bounds,r=sg(t.paddingLeft,i.width),s=sg(t.paddingRight,i.width),n=sg(t.paddingTop,i.width),o=sg(t.paddingBottom,i.width);return i.add(r+t.borderLeftWidth,n+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+r+s),-(t.borderTopWidth+t.borderBottomWidth+n+o))},Rb=function(e,t,i){var r=function(e,t){return 0===e?t.bounds:2===e?Tb(t):Sb(t)}(Nb(e.styles.backgroundOrigin,t),e),s=function(e,t){return 0===e?t.bounds:2===e?Tb(t):Sb(t)}(Nb(e.styles.backgroundClip,t),e),n=Ob(Nb(e.styles.backgroundSize,t),i,r),o=n[0],a=n[1],l=rg(Nb(e.styles.backgroundPosition,t),r.width-o,r.height-a);return[Qb(Nb(e.styles.backgroundRepeat,t),l,n,r,s),Math.round(r.left+l[0]),Math.round(r.top+l[1]),o,a]},Lb=function(e){return Gv(e)&&e.value===kg.AUTO},Ub=function(e){return"number"==typeof e},Ob=function(e,t,i){var r=t[0],s=t[1],n=t[2],o=e[0],a=e[1];if(!o)return[0,0];if(qv(o)&&a&&qv(a))return[sg(o,i.width),sg(a,i.height)];var l=Ub(n);if(Gv(o)&&(o.value===kg.CONTAIN||o.value===kg.COVER))return Ub(n)?i.width/i.height<n!=(o.value===kg.COVER)?[i.width,i.width/n]:[i.height*n,i.height]:[i.width,i.height];var u=Ub(r),c=Ub(s),A=u||c;if(Lb(o)&&(!a||Lb(a)))return u&&c?[r,s]:l||A?A&&l?[u?r:s*n,c?s:r/n]:[u?r:i.width,c?s:i.height]:[i.width,i.height];if(l){var h=0,d=0;return qv(o)?h=sg(o,i.width):qv(a)&&(d=sg(a,i.height)),Lb(o)?h=d*n:a&&!Lb(a)||(d=h/n),[h,d]}var p=null,f=null;if(qv(o)?p=sg(o,i.width):a&&qv(a)&&(f=sg(a,i.height)),null===p||a&&!Lb(a)||(f=u&&c?p/r*s:i.height),null!==f&&Lb(o)&&(p=u&&c?f/s*r:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},Nb=function(e,t){var i=e[t];return void 0===i?e[0]:i},Qb=function(e,t,i,r,s){var n=t[0],o=t[1],a=i[0],l=i[1];switch(e){case 2:return[new hb(Math.round(r.left),Math.round(r.top+o)),new hb(Math.round(r.left+r.width),Math.round(r.top+o)),new hb(Math.round(r.left+r.width),Math.round(l+r.top+o)),new hb(Math.round(r.left),Math.round(l+r.top+o))];case 3:return[new hb(Math.round(r.left+n),Math.round(r.top)),new hb(Math.round(r.left+n+a),Math.round(r.top)),new hb(Math.round(r.left+n+a),Math.round(r.height+r.top)),new hb(Math.round(r.left+n),Math.round(r.height+r.top))];case 1:return[new hb(Math.round(r.left+n),Math.round(r.top+o)),new hb(Math.round(r.left+n+a),Math.round(r.top+o)),new hb(Math.round(r.left+n+a),Math.round(r.top+o+l)),new hb(Math.round(r.left+n),Math.round(r.top+o+l))];default:return[new hb(Math.round(s.left),Math.round(s.top)),new hb(Math.round(s.left+s.width),Math.round(s.top)),new hb(Math.round(s.left+s.width),Math.round(s.height+s.top)),new hb(Math.round(s.left),Math.round(s.height+s.top))]}},Vb=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),r=this._document.createElement("img"),s=this._document.createElement("span"),n=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",n.appendChild(i),r.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",r.width=1,r.height=1,r.style.margin="0",r.style.padding="0",r.style.verticalAlign="baseline",s.style.fontFamily=e,s.style.fontSize=t,s.style.margin="0",s.style.padding="0",s.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(s),i.appendChild(r);var o=r.offsetTop-s.offsetTop+2;i.removeChild(s),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",r.style.verticalAlign="super";var a=r.offsetTop-i.offsetTop+2;return n.removeChild(i),{baseline:o,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),Hb=function(e,t){this.context=e,this.options=t},jb=function(e){function t(t,i){var r=e.call(this,t,i)||this;return r._activeEffects=[],r.canvas=i.canvas?i.canvas:document.createElement("canvas"),r.ctx=r.canvas.getContext("2d"),i.canvas||(r.canvas.width=Math.floor(i.width*i.scale),r.canvas.height=Math.floor(i.height*i.scale),r.canvas.style.width=i.width+"px",r.canvas.style.height=i.height+"px"),r.fontMetrics=new Vb(document),r.ctx.scale(r.options.scale,r.options.scale),r.ctx.translate(-i.x,-i.y),r.ctx.textBaseline="bottom",r._activeEffects=[],r.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),r}return nf(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),wb(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return af(this,void 0,void 0,(function(){return lf(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return af(this,void 0,void 0,(function(){return lf(this,(function(t){switch(t.label){case 0:return qm(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var r=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):Q_(e.text).reduce((function(t,s){return r.ctx.fillText(s,t,e.bounds.top+i),t+r.ctx.measureText(s).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=Xb(e.fontFamily).join(", "),r=Hv(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,r,i].join(" "),i,r]},t.prototype.renderTextNode=function(e,t){return af(this,void 0,void 0,(function(){var i,r,s,n,o,a,l,u,c=this;return lf(this,(function(A){return i=this.createFontStyle(t),r=i[0],s=i[1],n=i[2],this.ctx.font=r,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",o=this.fontMetrics.getMetrics(s,n),a=o.baseline,l=o.middle,u=t.paintOrder,e.textBounds.forEach((function(e){u.forEach((function(i){switch(i){case 0:c.ctx.fillStyle=Ag(t.color),c.renderTextWithLetterSpacing(e,t.letterSpacing,a);var r=t.textShadow;r.length&&e.text.trim().length&&(r.slice(0).reverse().forEach((function(i){c.ctx.shadowColor=Ag(i.color),c.ctx.shadowOffsetX=i.offsetX.number*c.options.scale,c.ctx.shadowOffsetY=i.offsetY.number*c.options.scale,c.ctx.shadowBlur=i.blur.number,c.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),c.ctx.shadowColor="",c.ctx.shadowOffsetX=0,c.ctx.shadowOffsetY=0,c.ctx.shadowBlur=0),t.textDecorationLine.length&&(c.ctx.fillStyle=Ag(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:c.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:c.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:c.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(c.ctx.strokeStyle=Ag(t.webkitTextStrokeColor),c.ctx.lineWidth=t.webkitTextStrokeWidth,c.ctx.lineJoin=window.chrome?"miter":"round",c.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),c.ctx.strokeStyle="",c.ctx.lineWidth=0,c.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var r=Tb(e),s=_b(t);this.path(s),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,r.left,r.top,r.width,r.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return af(this,void 0,void 0,(function(){var i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_;return lf(this,(function(y){switch(y.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,r=e.curves,s=i.styles,n=0,o=i.textNodes,y.label=1;case 1:return n<o.length?(a=o[n],[4,this.renderTextNode(a,s)]):[3,4];case 2:y.sent(),y.label=3;case 3:return n++,[3,1];case 4:if(!(i instanceof X_))return[3,8];y.label=5;case 5:return y.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return v=y.sent(),this.renderReplacedElement(i,r,v),[3,8];case 7:return y.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof J_&&this.renderReplacedElement(i,r,i.canvas),!(i instanceof Y_))return[3,12];y.label=9;case 9:return y.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return v=y.sent(),this.renderReplacedElement(i,r,v),[3,12];case 11:return y.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof ny&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=y.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),y.label=14;case 14:if(i instanceof iy&&(u=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new hb(i.bounds.left+.39363*u,i.bounds.top+.79*u),new hb(i.bounds.left+.16*u,i.bounds.top+.5549*u),new hb(i.bounds.left+.27347*u,i.bounds.top+.44071*u),new hb(i.bounds.left+.39694*u,i.bounds.top+.5649*u),new hb(i.bounds.left+.72983*u,i.bounds.top+.23*u),new hb(i.bounds.left+.84*u,i.bounds.top+.34085*u),new hb(i.bounds.left+.39363*u,i.bounds.top+.79*u)]),this.ctx.fillStyle=Ag(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+u/2,i.bounds.top+u/2,u/4,0,2*Math.PI,!0),this.ctx.fillStyle=Ag(707406591),this.ctx.fill(),this.ctx.restore())),Gb(i)&&i.value.length){switch(c=this.createFontStyle(s),m=c[0],A=c[1],h=this.fontMetrics.getMetrics(m,A).baseline,this.ctx.font=m,this.ctx.fillStyle=Ag(s.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=Kb(i.styles.textAlign),_=Tb(i),d=0,i.styles.textAlign){case 1:d+=_.width/2;break;case 2:d+=_.width}p=_.add(d,0,0,-_.height/2+1),this.ctx.save(),this.path([new hb(_.left,_.top),new hb(_.left+_.width,_.top),new hb(_.left+_.width,_.top+_.height),new hb(_.left,_.top+_.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new U_(i.value,p),s.letterSpacing,h),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!qm(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];v=void 0,g=f.url,y.label=15;case 15:return y.trys.push([15,17,,18]),[4,this.context.cache.match(g)];case 16:return v=y.sent(),this.ctx.drawImage(v,i.bounds.left-(v.width+10),i.bounds.top),[3,18];case 17:return y.sent(),this.context.logger.error("Error loading list-style-image "+g),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(m=this.createFontStyle(s)[0],this.ctx.font=m,this.ctx.fillStyle=Ag(s.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",_=new cf(i.bounds.left,i.bounds.top+sg(i.styles.paddingTop,i.bounds.width),i.bounds.width,fm(s.lineHeight,s.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new U_(e.listValue,_),s.letterSpacing,fm(s.lineHeight,s.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),y.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return af(this,void 0,void 0,(function(){var t,i,r,s,n,o,a,l,u,c,A,h,d,p,f;return lf(this,(function(v){switch(v.label){case 0:return qm(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:v.sent(),t=0,i=e.negativeZIndex,v.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:v.sent(),v.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:v.sent(),r=0,s=e.nonInlineLevel,v.label=7;case 7:return r<s.length?(f=s[r],[4,this.renderNode(f)]):[3,10];case 8:v.sent(),v.label=9;case 9:return r++,[3,7];case 10:n=0,o=e.nonPositionedFloats,v.label=11;case 11:return n<o.length?(f=o[n],[4,this.renderStack(f)]):[3,14];case 12:v.sent(),v.label=13;case 13:return n++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,v.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:v.sent(),v.label=17;case 17:return a++,[3,15];case 18:u=0,c=e.inlineLevel,v.label=19;case 19:return u<c.length?(f=c[u],[4,this.renderNode(f)]):[3,22];case 20:v.sent(),v.label=21;case 21:return u++,[3,19];case 22:A=0,h=e.zeroOrAutoZIndexOrTransformedOrOpacity,v.label=23;case 23:return A<h.length?(f=h[A],[4,this.renderStack(f)]):[3,26];case 24:v.sent(),v.label=25;case 25:return A++,[3,23];case 26:d=0,p=e.positiveZIndex,v.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:v.sent(),v.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var r=fb(e)?e.start:e;0===i?t.ctx.moveTo(r.x,r.y):t.ctx.lineTo(r.x,r.y),fb(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,r){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,r),this.ctx.fill(),this.ctx.translate(-i,-r)},t.prototype.resizeImage=function(e,t,i){var r;if(e.width===t&&e.height===i)return e;var s=(null!==(r=this.canvas.ownerDocument)&&void 0!==r?r:document).createElement("canvas");return s.width=Math.max(1,t),s.height=Math.max(1,i),s.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),s},t.prototype.renderBackgroundImage=function(e){return af(this,void 0,void 0,(function(){var t,i,r,s,n,o;return lf(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,B,w,P,x,C,M,E,F,k,I,D,S,T;return lf(this,(function(R){switch(R.label){case 0:if(0!==i.type)return[3,5];s=void 0,n=i.url,R.label=1;case 1:return R.trys.push([1,3,,4]),[4,r.context.cache.match(n)];case 2:return s=R.sent(),[3,4];case 3:return R.sent(),r.context.logger.error("Error loading background-image "+n),[3,4];case 4:return s&&(o=Rb(e,t,[s.width,s.height,s.width/s.height]),_=o[0],x=o[1],C=o[2],B=o[3],w=o[4],g=r.ctx.createPattern(r.resizeImage(s,B,w),"repeat"),r.renderRepeat(_,g,x,C)),[3,6];case 5:1===i.type?(a=Rb(e,t,[null,null,null]),_=a[0],x=a[1],C=a[2],B=a[3],w=a[4],l=Pg(i.angle,B,w),u=l[0],c=l[1],A=l[2],h=l[3],d=l[4],(p=document.createElement("canvas")).width=B,p.height=w,f=p.getContext("2d"),v=f.createLinearGradient(c,h,A,d),wg(i.stops,u).forEach((function(e){return v.addColorStop(e.stop,Ag(e.color))})),f.fillStyle=v,f.fillRect(0,0,B,w),B>0&&w>0&&(g=r.ctx.createPattern(p,"repeat"),r.renderRepeat(_,g,x,C))):function(e){return 2===e.type}(i)&&(m=Rb(e,t,[null,null,null]),_=m[0],y=m[1],b=m[2],B=m[3],w=m[4],P=0===i.position.length?[tg]:i.position,x=sg(P[0],B),C=sg(P[P.length-1],w),M=function(e,t,i,r,s){var n=0,o=0;switch(e.size){case 0:0===e.shape?n=o=Math.min(Math.abs(t),Math.abs(t-r),Math.abs(i),Math.abs(i-s)):1===e.shape&&(n=Math.min(Math.abs(t),Math.abs(t-r)),o=Math.min(Math.abs(i),Math.abs(i-s)));break;case 2:if(0===e.shape)n=o=Math.min(xg(t,i),xg(t,i-s),xg(t-r,i),xg(t-r,i-s));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-s))/Math.min(Math.abs(t),Math.abs(t-r)),l=Cg(r,s,t,i,!0),u=l[0],c=l[1];o=a*(n=xg(u-t,(c-i)/a))}break;case 1:0===e.shape?n=o=Math.max(Math.abs(t),Math.abs(t-r),Math.abs(i),Math.abs(i-s)):1===e.shape&&(n=Math.max(Math.abs(t),Math.abs(t-r)),o=Math.max(Math.abs(i),Math.abs(i-s)));break;case 3:if(0===e.shape)n=o=Math.max(xg(t,i),xg(t,i-s),xg(t-r,i),xg(t-r,i-s));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-s))/Math.max(Math.abs(t),Math.abs(t-r));var A=Cg(r,s,t,i,!1);u=A[0],c=A[1],o=a*(n=xg(u-t,(c-i)/a))}}return Array.isArray(e.size)&&(n=sg(e.size[0],r),o=2===e.size.length?sg(e.size[1],s):n),[n,o]}(i,x,C,B,w),E=M[0],F=M[1],E>0&&F>0&&(k=r.ctx.createRadialGradient(y+x,b+C,0,y+x,b+C,E),wg(i.stops,2*E).forEach((function(e){return k.addColorStop(e.stop,Ag(e.color))})),r.path(_),r.ctx.fillStyle=k,E!==F?(I=e.bounds.left+.5*e.bounds.width,D=e.bounds.top+.5*e.bounds.height,T=1/(S=F/E),r.ctx.save(),r.ctx.translate(I,D),r.ctx.transform(1,0,0,S,0,0),r.ctx.translate(-I,-D),r.ctx.fillRect(y,T*(b-D)+D,B,w*T),r.ctx.restore()):r.ctx.fill())),R.label=6;case 6:return t--,[2]}}))},r=this,s=0,n=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return s<n.length?(o=n[s],[5,i(o)]):[3,4];case 2:a.sent(),a.label=3;case 3:return s++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return af(this,void 0,void 0,(function(){return lf(this,(function(r){return this.path(kb(i,t)),this.ctx.fillStyle=Ag(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,r){return af(this,void 0,void 0,(function(){var s,n;return lf(this,(function(o){switch(o.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,r)]:[3,2];case 1:return o.sent(),[2];case 2:return s=function(e,t){switch(t){case 0:return Db(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return Db(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return Db(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return Db(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(r,i),this.path(s),this.ctx.fillStyle=Ag(e),this.ctx.fill(),n=function(e,t){switch(t){case 0:return Db(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return Db(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return Db(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return Db(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(r,i),this.path(n),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return af(this,void 0,void 0,(function(){var t,i,r,s,n,o,a,l,u=this;return lf(this,(function(c){switch(c.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!cg(t.backgroundColor)||t.backgroundImage.length,r=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],s=zb(Nb(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(s),this.ctx.clip(),cg(t.backgroundColor)||(this.ctx.fillStyle=Ag(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:c.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){u.ctx.save();var i,r,s,n,o,a=mb(e.curves),l=t.inset?0:1e4,c=(i=a,r=-l+(t.inset?1:-1)*t.spread.number,s=(t.inset?1:-1)*t.spread.number,n=t.spread.number*(t.inset?-2:2),o=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(r,s);case 1:return e.add(r+n,s);case 2:return e.add(r+n,s+o);case 3:return e.add(r,s+o)}return e})));t.inset?(u.path(a),u.ctx.clip(),u.mask(c)):(u.mask(a),u.ctx.clip(),u.path(c)),u.ctx.shadowOffsetX=t.offsetX.number+l,u.ctx.shadowOffsetY=t.offsetY.number,u.ctx.shadowColor=Ag(t.color),u.ctx.shadowBlur=t.blur.number,u.ctx.fillStyle=t.inset?Ag(t.color):"rgba(0,0,0,1)",u.ctx.fill(),u.ctx.restore()})),c.label=2;case 2:n=0,o=0,a=r,c.label=3;case 3:return o<a.length?0!==(l=a[o]).style&&!cg(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,n,e.curves,2)]:[3,11]:[3,13];case 4:return c.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,n,e.curves,3)];case 6:return c.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,n,e.curves)];case 8:return c.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,n,e.curves)];case 10:c.sent(),c.label=11;case 11:n++,c.label=12;case 12:return o++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,r,s){return af(this,void 0,void 0,(function(){var n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y;return lf(this,(function(b){return this.ctx.save(),n=function(e,t){switch(t){case 0:return Ib(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return Ib(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return Ib(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return Ib(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(r,i),o=kb(r,i),2===s&&(this.path(o),this.ctx.clip()),fb(o[0])?(a=o[0].start.x,l=o[0].start.y):(a=o[0].x,l=o[0].y),fb(o[1])?(u=o[1].end.x,c=o[1].end.y):(u=o[1].x,c=o[1].y),A=0===i||2===i?Math.abs(a-u):Math.abs(l-c),this.ctx.beginPath(),3===s?this.formatPath(n):this.formatPath(o.slice(0,2)),h=t<3?3*t:2*t,d=t<3?2*t:t,3===s&&(h=t,d=t),p=!0,A<=2*h?p=!1:A<=2*h+d?(h*=f=A/(2*h+d),d*=f):(v=Math.floor((A+d)/(h+d)),g=(A-v*h)/(v-1),d=(m=(A-(v+1)*h)/v)<=0||Math.abs(d-g)<Math.abs(d-m)?g:m),p&&(3===s?this.ctx.setLineDash([0,h+d]):this.ctx.setLineDash([h,d])),3===s?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=Ag(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===s&&(fb(o[0])&&(_=o[3],y=o[0],this.ctx.beginPath(),this.formatPath([new hb(_.end.x,_.end.y),new hb(y.start.x,y.start.y)]),this.ctx.stroke()),fb(o[1])&&(_=o[1],y=o[2],this.ctx.beginPath(),this.formatPath([new hb(_.end.x,_.end.y),new hb(y.start.x,y.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return af(this,void 0,void 0,(function(){var t;return lf(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=Ag(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),t=Fb(e),[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}}))}))},t}(Hb),Gb=function(e){return e instanceof sy||(e instanceof ry||e instanceof iy&&"radio"!==e.type&&"checkbox"!==e.type)},zb=function(e,t){switch(e){case 0:return mb(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return _b(t)}},Kb=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},Wb=["-apple-system","system-ui"],Xb=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===Wb.indexOf(e)})):e},Jb=function(e){function t(t,i){var r=e.call(this,t,i)||this;return r.canvas=i.canvas?i.canvas:document.createElement("canvas"),r.ctx=r.canvas.getContext("2d"),r.options=i,r.canvas.width=Math.floor(i.width*i.scale),r.canvas.height=Math.floor(i.height*i.scale),r.canvas.style.width=i.width+"px",r.canvas.style.height=i.height+"px",r.ctx.scale(r.options.scale,r.options.scale),r.ctx.translate(-i.x,-i.y),r.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),r}return nf(t,e),t.prototype.render=function(e){return af(this,void 0,void 0,(function(){var t,i;return lf(this,(function(r){switch(r.label){case 0:return t=T_(this.options.width*this.options.scale,this.options.height*this.options.scale,this.options.scale,this.options.scale,e),[4,Yb(t)];case 1:return 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e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];this.enabled&&"undefined"!=typeof window&&window.console&&"function"==typeof console.info&&console.info.apply(console,uf([this.id,this.getTime()+"ms"],e))},e.prototype.warn=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];this.enabled&&("undefined"!=typeof window&&window.console&&"function"==typeof console.warn?console.warn.apply(console,uf([this.id,this.getTime()+"ms"],e)):this.info.apply(this,e))},e.prototype.error=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];this.enabled&&("undefined"!=typeof window&&window.console&&"function"==typeof console.error?console.error.apply(console,uf([this.id,this.getTime()+"ms"],e)):this.info.apply(this,e))},e.instances={},e}(),qb=function(){function e(t,i){var r;this.windowBounds=i,this.instanceName="#"+e.instanceCount++,this.logger=new Zb({id:this.instanceName,enabled:t.logging}),this.cache=null!==(r=t.cache)&&void 0!==r?r:new rb(this,t)}return 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r=Math.max(Math.max(t.scrollWidth,i.scrollWidth),Math.max(t.offsetWidth,i.offsetWidth),Math.max(t.clientWidth,i.clientWidth)),s=Math.max(Math.max(t.scrollHeight,i.scrollHeight),Math.max(t.offsetHeight,i.offsetHeight),Math.max(t.clientHeight,i.clientHeight));return new cf(0,0,r,s)}(h.ownerDocument):Af(l,h),f=p.width,v=p.height,g=p.left,m=p.top,_=tB(l,h,t.backgroundColor),y={canvas:t.canvas,backgroundColor:_,scale:null!==(R=null!==(T=t.scale)&&void 0!==T?T:r.devicePixelRatio)&&void 0!==R?R:1,x:(null!==(L=t.x)&&void 0!==L?L:0)+g,y:(null!==(U=t.y)&&void 0!==U?U:0)+m,width:null!==(O=t.width)&&void 0!==O?O:Math.ceil(f),height:null!==(N=t.height)&&void 0!==N?N:Math.ceil(v)},u?(l.logger.debug("Document cloned, using foreign object rendering"),[4,new Jb(l,y).render(h)]):[3,3];case 2:return b=V.sent(),[3,5];case 3:return l.logger.debug("Document cloned, element located at "+g+","+m+" with size "+f+"x"+v+" using computed rendering"),l.logger.debug("Starting DOM 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tf(this,this.scene),this.id=t.id||this.scene.id,this.camera=this.scene.camera,this.cameraFlight=new jd(this.scene,{duration:.5}),this.cameraControl=new Yp(this.scene,{doublePickFlyTo:!0}),this._plugins=[],this._eventSubs={}}var t;return C(e,[{key:"capabilities",get:function(){return this.scene.capabilities}},{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"log",value:function(e){console.log("[xeokit viewer ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit viewer ".concat(this.id,"]: ").concat(e))}},{key:"addPlugin",value:function(e){this._plugins.push(e)}},{key:"removePlugin",value:function(e){for(var t=0,i=this._plugins.length;t<i;t++){var r=this._plugins[t];if(r===e)return r.clear&&r.clear(),void 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l={},u=0,c=this._plugins.length;u<c;u++){var A=this._plugins[u];if(A.getContainerElement){var h=A.getContainerElement();h!==document.body&&(l[h.id]||(l[h.id]=!0,$b(h).then((function(e){document.body.appendChild(e)}))))}}this.scene.fire("rendering",{},!0),this.scene._renderer.renderSnapshot();var d=this.scene._renderer.readSnapshot(e);return i&&(r.width=s,r.height=n,this.scene.glRedraw()),e.includeGizmos||this.sendToPlugins("snapshotFinished"),t&&this.endSnapshot(),d}},{key:"getSnapshotWithPlugins",value:(t=o(s().mark((function e(){var t,i,r,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,B,w=arguments;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:for(i=w.length>0&&void 0!==w[0]?w[0]:{},r=!this._snapshotBegun,n=void 0!==i.width&&void 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Gx(){return(Gx=o(s().mark((function e(t,i){var r,n,o,a,l,u;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if("auto"!==i.basis.containerFormat){e.next=11;break}if(!Hx(t)){e.next=6;break}return e.next=4,gx(i);case 4:return r=e.sent,e.abrupt("return",Wx(r.KTX2File,t,i));case 6:return e.next=8,hx(i);case 8:return n=e.sent,o=n.BasisFile,e.abrupt("return",zx(o,t,i));case 11:e.t0=i.basis.module,e.next="encoder"===e.t0?14:(e.t0,22);break;case 14:return e.next=16,gx(i);case 16:a=e.sent,e.t1=i.basis.containerFormat,e.next="ktx2"===e.t1?20:(e.t1,21);break;case 20:return e.abrupt("return",Wx(a.KTX2File,t,i));case 21:return e.abrupt("return",zx(a.BasisFile,t,i));case 22:return e.next=24,hx(i);case 24:return l=e.sent,u=l.BasisFile,e.abrupt("return",zx(u,t,i));case 27:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function zx(e,t,i){var r=new e(new Uint8Array(t));try{if(!r.startTranscoding())throw new Error("Failed to start basis transcoding");for(var s=r.getNumImages(),n=[],o=0;o<s;o++){for(var a=r.getNumLevels(o),l=[],u=0;u<a;u++)l.push(Kx(r,o,u,i));n.push(l)}return n}finally{r.close(),r.delete()}}function Kx(e,t,i,r){var s=e.getImageWidth(t,i),n=e.getImageHeight(t,i),o=e.getHasAlpha(),a=Jx(r,o),l=a.compressed,u=a.format,c=a.basisFormat,A=e.getImageTranscodedSizeInBytes(t,i,c),h=new Uint8Array(A);if(!e.transcodeImage(h,t,i,c,0,0))throw new Error("failed to start Basis transcoding");return{width:s,height:n,data:h,compressed:l,format:u,hasAlpha:o}}function Wx(e,t,i){var r=new e(new Uint8Array(t));try{if(!r.startTranscoding())throw new Error("failed to start KTX2 transcoding");for(var s=r.getLevels(),n=[],o=0;o<s;o++){n.push(Xx(r,o,i));break}return[n]}finally{r.close(),r.delete()}}function Xx(e,t,i){var r=e.getImageLevelInfo(t,0,0),s=r.alphaFlag,n=r.height,o=r.width,a=Jx(i,s),l=a.compressed,u=a.format,c=a.basisFormat,A=e.getImageTranscodedSizeInBytes(t,0,0,c),h=new Uint8Array(A);if(!e.transcodeImage(h,t,0,0,c,0,-1,-1))throw new Error("Failed to transcode KTX2 image");return{width:o,height:n,data:h,compressed:l,hasAlpha:s,format:u}}function Jx(e,t){var i=e&&e.basis&&e.basis.format;return"auto"===i&&(i=Yx()),"object"===w(i)&&(i=t?i.alpha:i.noAlpha),i=i.toLowerCase(),jx[i]}function Yx(){var e=Qx();return e.has("astc")?"astc-4x4":e.has("dxt")?{alpha:"bc3",noAlpha:"bc1"}:e.has("pvrtc")?{alpha:"pvrtc1-4-rgba",noAlpha:"pvrtc1-4-rgb"}:e.has("etc1")?"etc1":e.has("etc2")?"etc2":"rgb565"}var Zx=l(l({},{name:"Basis",id:"basis",module:"textures",version:"3.2.6",worker:!0,extensions:["basis","ktx2"],mimeTypes:["application/octet-stream","image/ktx2"],tests:["sB"],binary:!0,options:{basis:{format:"auto",libraryPath:"libs/",containerFormat:"auto",module:"transcoder"}}}),{},{parse:function(e,t){return Gx.apply(this,arguments)}}),qx=globalThis._parseImageNode,$x="undefined"!=typeof Image,eC="undefined"!=typeof ImageBitmap,tC=Boolean(qx),iC=!!sB||tC;function rC(e){var t=function(e){if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"imagebitmap";if("undefined"!=typeof Image&&e instanceof Image)return"image";if(e&&"object"===w(e)&&e.data&&e.width&&e.height)return"data";return null}(e);if(!t)throw new Error("Not an image");return t}function sC(e){switch(rC(e)){case"data":return e;case"image":case"imagebitmap":var t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}var nC=/^data:image\/svg\+xml/,oC=/\.svg((\?|#).*)?$/;function aC(e){return e&&(nC.test(e)||oC.test(e))}function lC(e,t){if(aC(t)){var i=(new TextDecoder).decode(e);try{"function"==typeof unescape&&"function"==typeof encodeURIComponent&&(i=unescape(encodeURIComponent(i)))}catch(e){throw new Error(e.message)}return"data:image/svg+xml;base64,".concat(btoa(i))}return uC(e,t)}function uC(e,t){if(aC(t))throw new Error("SVG cannot be parsed directly to imagebitmap");return new Blob([new Uint8Array(e)])}function cC(e,t,i){return AC.apply(this,arguments)}function AC(){return(AC=o(s().mark((function e(t,i,r){var n,o,a;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return n=lC(t,r),o=self.URL||self.webkitURL,a="string"!=typeof n&&o.createObjectURL(n),e.prev=3,e.next=6,hC(a||n,i);case 6:return e.abrupt("return",e.sent);case 7:return e.prev=7,a&&o.revokeObjectURL(a),e.finish(7);case 10:case"end":return e.stop()}}),e,null,[[3,,7,10]])})))).apply(this,arguments)}function hC(e,t){return dC.apply(this,arguments)}function dC(){return dC=o(s().mark((function e(t,i){var r;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if((r=new Image).src=t,!(i.image&&i.image.decode&&r.decode)){e.next=6;break}return e.next=5,r.decode();case 5:return e.abrupt("return",r);case 6:return e.next=8,new Promise((function(e,i){try{r.onload=function(){return e(r)},r.onerror=function(e){return i(new Error("Could not load image 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9:e.prev=9,e.t0=e.catch(3),console.warn(e.t0),fC=!1;case 13:return e.next=15,createImageBitmap(t);case 15:return e.abrupt("return",e.sent);case 16:case"end":return e.stop()}}),e,null,[[3,9]])}))),_C.apply(this,arguments)}function yC(e){for(var t in e||pC)return!1;return!0}function bC(e){var t=BC(e);return function(e){var t=BC(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){var t=BC(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;var i=function(){for(var e=new Set([65499,65476,65484,65501,65534]),t=65504;t<65520;++t)e.add(t);var i=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:i}}(),r=i.tableMarkers,s=i.sofMarkers,n=2;for(;n+9<t.byteLength;){var o=t.getUint16(n,false);if(s.has(o))return{mimeType:"image/jpeg",height:t.getUint16(n+5,false),width:t.getUint16(n+7,false)};if(!r.has(o))return null;n+=2,n+=t.getUint16(n,false)}return null}(t)||function(e){var t=BC(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){var t=BC(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function BC(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}function wC(e,t){return PC.apply(this,arguments)}function PC(){return PC=o(s().mark((function e(t,i){var r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return r=bC(t)||{},n=r.mimeType,rB(o=globalThis._parseImageNode),e.next=5,o(t,n);case 5:return e.abrupt("return",e.sent);case 6:case"end":return e.stop()}}),e)}))),PC.apply(this,arguments)}function xC(){return(xC=o(s().mark((function e(t,i,r){var n,o,a,l,u;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:n=(i=i||{}).image||{},o=n.type||"auto",a=(r||{}).url,l=CC(o),e.t0=l,e.next="imagebitmap"===e.t0?8:"image"===e.t0?12:"data"===e.t0?16:20;break;case 8:return e.next=10,vC(t,i,a);case 10:return u=e.sent,e.abrupt("break",21);case 12:return e.next=14,cC(t,i,a);case 14:return u=e.sent,e.abrupt("break",21);case 16:return e.next=18,wC(t);case 18:return u=e.sent,e.abrupt("break",21);case 20:rB(!1);case 21:return"data"===o&&(u=sC(u)),e.abrupt("return",u);case 23:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function CC(e){switch(e){case"auto":case"data":return function(){if(eC)return"imagebitmap";if($x)return"image";if(iC)return"data";throw new Error("Install '@loaders.gl/polyfills' to parse images under Node.js")}();default:return function(e){switch(e){case"auto":return eC||$x||iC;case"imagebitmap":return eC;case"image":return $x;case"data":return iC;default:throw new Error("@loaders.gl/images: image ".concat(e," not supported in this environment"))}}(e),e}}var MC={id:"image",module:"images",name:"Images",version:"3.2.6",mimeTypes:["image/png","image/jpeg","image/gif","image/webp","image/bmp","image/vnd.microsoft.icon","image/svg+xml"],extensions:["png","jpg","jpeg","gif","webp","bmp","ico","svg"],parse:function(e,t,i){return xC.apply(this,arguments)},tests:[function(e){return Boolean(bC(new DataView(e)))}],options:{image:{type:"auto",decode:!0}}},EC=["image/png","image/jpeg","image/gif"],FC={};function kC(e){return void 0===FC[e]&&(FC[e]=function(e){switch(e){case"image/webp":return function(){if(!sB)return!1;try{return 0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch(e){return!1}}();case"image/svg":return sB;default:if(!sB){var t=globalThis._parseImageNode;return Boolean(t)&&EC.includes(e)}return!0}}(e)),FC[e]}function IC(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function DC(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;var i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}function SC(e,t,i){var r=e.bufferViews[i];IC(r);var s=t[r.buffer];IC(s);var n=(r.byteOffset||0)+s.byteOffset;return new Uint8Array(s.arrayBuffer,n,r.byteLength)}var TC=["SCALAR","VEC2","VEC3","VEC4"],RC=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],LC=new Map(RC),UC={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},OC={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},NC={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function QC(e){return TC[e-1]||TC[0]}function VC(e){var t=LC.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function HC(e,t){var i=NC[e.componentType],r=UC[e.type],s=OC[e.componentType],n=e.count*r,o=e.count*r*s;return IC(o>=0&&o<=t.byteLength),{ArrayType:i,length:n,byteLength:o}}var jC,GC={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]},zC=function(){function e(t){P(this,e),dB(this,"gltf",void 0),dB(this,"sourceBuffers",void 0),dB(this,"byteLength",void 0),this.gltf=t||{json:l({},GC),buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}return C(e,[{key:"json",get:function(){return this.gltf.json}},{key:"getApplicationData",value:function(e){return this.json[e]}},{key:"getExtraData",value:function(e){return(this.json.extras||{})[e]}},{key:"getExtension",value:function(e){var t=this.getUsedExtensions().find((function(t){return t===e})),i=this.json.extensions||{};return t?i[e]||!0:null}},{key:"getRequiredExtension",value:function(e){var t=this.getRequiredExtensions().find((function(t){return t===e}));return t?this.getExtension(e):null}},{key:"getRequiredExtensions",value:function(){return this.json.extensionsRequired||[]}},{key:"getUsedExtensions",value:function(){return this.json.extensionsUsed||[]}},{key:"getObjectExtension",value:function(e,t){return(e.extensions||{})[t]}},{key:"getScene",value:function(e){return this.getObject("scenes",e)}},{key:"getNode",value:function(e){return this.getObject("nodes",e)}},{key:"getSkin",value:function(e){return this.getObject("skins",e)}},{key:"getMesh",value:function(e){return this.getObject("meshes",e)}},{key:"getMaterial",value:function(e){return this.getObject("materials",e)}},{key:"getAccessor",value:function(e){return this.getObject("accessors",e)}},{key:"getTexture",value:function(e){return this.getObject("textures",e)}},{key:"getSampler",value:function(e){return this.getObject("samplers",e)}},{key:"getImage",value:function(e){return this.getObject("images",e)}},{key:"getBufferView",value:function(e){return this.getObject("bufferViews",e)}},{key:"getBuffer",value:function(e){return this.getObject("buffers",e)}},{key:"getObject",value:function(e,t){if("object"===w(t))return t;var i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}},{key:"getTypedArrayForBufferView",value:function(e){var t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];IC(i);var r=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,r,e.byteLength)}},{key:"getTypedArrayForAccessor",value:function(e){e=this.getAccessor(e);var t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,r=HC(e,t),s=r.ArrayType,n=r.length;return new s(i,t.byteOffset+e.byteOffset,n)}},{key:"getTypedArrayForImageData",value:function(e){e=this.getAccessor(e);var t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,r=t.byteOffset||0;return new Uint8Array(i,r,t.byteLength)}},{key:"addApplicationData",value:function(e,t){return this.json[e]=t,this}},{key:"addExtraData",value:function(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}},{key:"addObjectExtension",value:function(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}},{key:"setObjectExtension",value:function(e,t,i){(e.extensions||{})[t]=i}},{key:"removeObjectExtension",value:function(e,t){var i=e.extensions||{},r=i[t];return delete i[t],r}},{key:"addExtension",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return IC(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}},{key:"addRequiredExtension",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return IC(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}},{key:"registerUsedExtension",value:function(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((function(t){return t===e}))||this.json.extensionsUsed.push(e)}},{key:"registerRequiredExtension",value:function(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((function(t){return t===e}))||this.json.extensionsRequired.push(e)}},{key:"removeExtension",value:function(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}},{key:"setDefaultScene",value:function(e){this.json.scene=e}},{key:"addScene",value:function(e){var t=e.nodeIndices;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}},{key:"addNode",value:function(e){var t=e.meshIndex,i=e.matrix;this.json.nodes=this.json.nodes||[];var r={mesh:t};return i&&(r.matrix=i),this.json.nodes.push(r),this.json.nodes.length-1}},{key:"addMesh",value:function(e){var t=e.attributes,i=e.indices,r=e.material,s=e.mode,n=void 0===s?4:s,o={primitives:[{attributes:this._addAttributes(t),mode:n}]};if(i){var a=this._addIndices(i);o.primitives[0].indices=a}return Number.isFinite(r)&&(o.primitives[0].material=r),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}},{key:"addPointCloud",value:function(e){var t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}},{key:"addImage",value:function(e,t){var i=bC(e),r=t||(null==i?void 0:i.mimeType),s={bufferView:this.addBufferView(e),mimeType:r};return this.json.images=this.json.images||[],this.json.images.push(s),this.json.images.length-1}},{key:"addBufferView",value:function(e){var t=e.byteLength;IC(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);var i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=WB(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}},{key:"addAccessor",value:function(e,t){var i={bufferView:e,type:QC(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}},{key:"addBinaryBuffer",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{size:3},i=this.addBufferView(e),r={min:t.min,max:t.max};r.min&&r.max||(r=this._getAccessorMinMax(e,t.size));var s={size:t.size,componentType:VC(e),count:Math.round(e.length/t.size),min:r.min,max:r.max};return this.addAccessor(i,Object.assign(s,t))}},{key:"addTexture",value:function(e){var t={source:e.imageIndex};return this.json.textures=this.json.textures||[],this.json.textures.push(t),this.json.textures.length-1}},{key:"addMaterial",value:function(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}},{key:"createBinaryChunk",value:function(){var e,t;this.gltf.buffers=[];var i,r=this.byteLength,s=new ArrayBuffer(r),n=new Uint8Array(s),o=0,a=h(this.sourceBuffers||[]);try{for(a.s();!(i=a.n()).done;){o=XB(i.value,n,o)}}catch(e){a.e(e)}finally{a.f()}null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=r:this.json.buffers=[{byteLength:r}],this.gltf.binary=s,this.sourceBuffers=[s]}},{key:"_removeStringFromArray",value:function(e,t){for(var i=!0;i;){var r=e.indexOf(t);r>-1?e.splice(r,1):i=!1}}},{key:"_addAttributes",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t={};for(var i in e){var r=e[i],s=this._getGltfAttributeName(i),n=this.addBinaryBuffer(r.value,r);t[s]=n}return t}},{key:"_addIndices",value:function(e){return this.addBinaryBuffer(e,{size:1})}},{key:"_getGltfAttributeName",value:function(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}},{key:"_getAccessorMinMax",value:function(e,t){var i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];var r,s=h(e.subarray(0,t));try{for(s.s();!(r=s.n()).done;){var n=r.value;i.min.push(n),i.max.push(n)}}catch(e){s.e(e)}finally{s.f()}for(var o=t;o<e.length;o+=t)for(var a=0;a<t;a++)i.min[0+a]=Math.min(i.min[0+a],e[o+a]),i.max[0+a]=Math.max(i.max[0+a],e[o+a]);return i}}]),e}(),KC="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",WC="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t,i={},r=h(e);try{for(r.s();!(t=r.n()).done;){var s=t.value;i[s.name]&&console.warn("Schema: duplicated field name",s.name,s),i[s.name]=!0}}catch(e){r.e(e)}finally{r.f()}}(t),this.fields=t,this.metadata=i||new Map}return C(e,[{key:"compareTo",value:function(e){if(this.metadata!==e.metadata)return!1;if(this.fields.length!==e.fields.length)return!1;for(var t=0;t<this.fields.length;++t)if(!this.fields[t].compareTo(e.fields[t]))return!1;return!0}},{key:"select",value:function(){for(var t=Object.create(null),i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];for(var n=0,o=r;n<o.length;n++){var a=o[n];t[a]=!0}var l=this.fields.filter((function(e){return t[e.name]}));return new e(l,this.metadata)}},{key:"selectAt",value:function(){for(var t=this,i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];var n=r.map((function(e){return t.fields[e]})).filter(Boolean);return new e(n,this.metadata)}},{key:"assign",value:function(t){var i,r=this.metadata;if(t instanceof e){var s=t;i=s.fields,r=fM(fM(new Map,this.metadata),s.metadata)}else i=t;var n,o=Object.create(null),a=h(this.fields);try{for(a.s();!(n=a.n()).done;){var l=n.value;o[l.name]=l}}catch(e){a.e(e)}finally{a.f()}var u,c=h(i);try{for(c.s();!(u=c.n()).done;){var A=u.value;o[A.name]=A}}catch(e){c.e(e)}finally{c.f()}return new e(Object.values(o),r)}}]),e}();function fM(e,t){return new Map([].concat(A(e||new Map),A(t||new Map)))}var vM,gM=function(){function e(t,i){var r=arguments.length>2&&void 0!==arguments[2]&&arguments[2],s=arguments.length>3&&void 0!==arguments[3]?arguments[3]:new Map;P(this,e),dB(this,"name",void 0),dB(this,"type",void 0),dB(this,"nullable",void 0),dB(this,"metadata",void 0),this.name=t,this.type=i,this.nullable=r,this.metadata=s}return C(e,[{key:"typeId",get:function(){return this.type&&this.type.typeId}},{key:"clone",value:function(){return new e(this.name,this.type,this.nullable,this.metadata)}},{key:"compareTo",value:function(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}},{key:"toString",value:function(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}]),e}();!function(e){e[e.NONE=0]="NONE",e[e.Null=1]="Null",e[e.Int=2]="Int",e[e.Float=3]="Float",e[e.Binary=4]="Binary",e[e.Utf8=5]="Utf8",e[e.Bool=6]="Bool",e[e.Decimal=7]="Decimal",e[e.Date=8]="Date",e[e.Time=9]="Time",e[e.Timestamp=10]="Timestamp",e[e.Interval=11]="Interval",e[e.List=12]="List",e[e.Struct=13]="Struct",e[e.Union=14]="Union",e[e.FixedSizeBinary=15]="FixedSizeBinary",e[e.FixedSizeList=16]="FixedSizeList",e[e.Map=17]="Map",e[e.Dictionary=-1]="Dictionary",e[e.Int8=-2]="Int8",e[e.Int16=-3]="Int16",e[e.Int32=-4]="Int32",e[e.Int64=-5]="Int64",e[e.Uint8=-6]="Uint8",e[e.Uint16=-7]="Uint16",e[e.Uint32=-8]="Uint32",e[e.Uint64=-9]="Uint64",e[e.Float16=-10]="Float16",e[e.Float32=-11]="Float32",e[e.Float64=-12]="Float64",e[e.DateDay=-13]="DateDay",e[e.DateMillisecond=-14]="DateMillisecond",e[e.TimestampSecond=-15]="TimestampSecond",e[e.TimestampMillisecond=-16]="TimestampMillisecond",e[e.TimestampMicrosecond=-17]="TimestampMicrosecond",e[e.TimestampNanosecond=-18]="TimestampNanosecond",e[e.TimeSecond=-19]="TimeSecond",e[e.TimeMillisecond=-20]="TimeMillisecond",e[e.TimeMicrosecond=-21]="TimeMicrosecond",e[e.TimeNanosecond=-22]="TimeNanosecond",e[e.DenseUnion=-23]="DenseUnion",e[e.SparseUnion=-24]="SparseUnion",e[e.IntervalDayTime=-25]="IntervalDayTime",e[e.IntervalYearMonth=-26]="IntervalYearMonth"}(vM||(vM={}));var mM=function(){function e(){P(this,e)}return C(e,[{key:"typeId",get:function(){return vM.NONE}},{key:"compareTo",value:function(e){return this===e}}],[{key:"isNull",value:function(e){return e&&e.typeId===vM.Null}},{key:"isInt",value:function(e){return e&&e.typeId===vM.Int}},{key:"isFloat",value:function(e){return e&&e.typeId===vM.Float}},{key:"isBinary",value:function(e){return e&&e.typeId===vM.Binary}},{key:"isUtf8",value:function(e){return e&&e.typeId===vM.Utf8}},{key:"isBool",value:function(e){return e&&e.typeId===vM.Bool}},{key:"isDecimal",value:function(e){return e&&e.typeId===vM.Decimal}},{key:"isDate",value:function(e){return e&&e.typeId===vM.Date}},{key:"isTime",value:function(e){return e&&e.typeId===vM.Time}},{key:"isTimestamp",value:function(e){return e&&e.typeId===vM.Timestamp}},{key:"isInterval",value:function(e){return e&&e.typeId===vM.Interval}},{key:"isList",value:function(e){return e&&e.typeId===vM.List}},{key:"isStruct",value:function(e){return e&&e.typeId===vM.Struct}},{key:"isUnion",value:function(e){return e&&e.typeId===vM.Union}},{key:"isFixedSizeBinary",value:function(e){return e&&e.typeId===vM.FixedSizeBinary}},{key:"isFixedSizeList",value:function(e){return e&&e.typeId===vM.FixedSizeList}},{key:"isMap",value:function(e){return e&&e.typeId===vM.Map}},{key:"isDictionary",value:function(e){return e&&e.typeId===vM.Dictionary}}]),e}(),_M=function(e,t){g(r,mM);var i=_(r);function r(e,t){var s;return P(this,r),dB(b(s=i.call(this)),"isSigned",void 0),dB(b(s),"bitWidth",void 0),s.isSigned=e,s.bitWidth=t,s}return C(r,[{key:"typeId",get:function(){return vM.Int}},{key:t,get:function(){return"Int"}},{key:"toString",value:function(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}]),r}(0,Symbol.toStringTag),yM=function(e){g(i,_M);var t=_(i);function i(){return P(this,i),t.call(this,!0,8)}return C(i)}(),bM=function(e){g(i,_M);var t=_(i);function i(){return P(this,i),t.call(this,!0,16)}return C(i)}(),BM=function(e){g(i,_M);var t=_(i);function i(){return P(this,i),t.call(this,!0,32)}return C(i)}(),wM=function(e){g(i,_M);var t=_(i);function i(){return P(this,i),t.call(this,!1,8)}return C(i)}(),PM=function(e){g(i,_M);var t=_(i);function i(){return P(this,i),t.call(this,!1,16)}return C(i)}(),xM=function(e){g(i,_M);var t=_(i);function i(){return P(this,i),t.call(this,!1,32)}return C(i)}(),CM=32,MM=64,EM=function(e,t){g(r,mM);var i=_(r);function r(e){var t;return P(this,r),dB(b(t=i.call(this)),"precision",void 0),t.precision=e,t}return C(r,[{key:"typeId",get:function(){return vM.Float}},{key:t,get:function(){return"Float"}},{key:"toString",value:function(){return"Float".concat(this.precision)}}]),r}(0,Symbol.toStringTag),FM=function(e){g(i,EM);var t=_(i);function i(){return P(this,i),t.call(this,CM)}return C(i)}(),kM=function(e){g(i,EM);var t=_(i);function i(){return P(this,i),t.call(this,MM)}return C(i)}(),IM=function(e,t){g(r,mM);var i=_(r);function r(e,t){var s;return P(this,r),dB(b(s=i.call(this)),"listSize",void 0),dB(b(s),"children",void 0),s.listSize=e,s.children=[t],s}return C(r,[{key:"typeId",get:function(){return vM.FixedSizeList}},{key:"valueType",get:function(){return this.children[0].type}},{key:"valueField",get:function(){return this.children[0]}},{key:t,get:function(){return"FixedSizeList"}},{key:"toString",value:function(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}]),r}(0,Symbol.toStringTag);function DM(e,t,i){var r=function(e){switch(e.constructor){case Int8Array:return new yM;case Uint8Array:return new wM;case Int16Array:return new bM;case Uint16Array:return new PM;case Int32Array:return new BM;case Uint32Array:return new xM;case Float32Array:return new FM;case Float64Array:return new kM;default:throw new Error("array type not supported")}}(t.value),s=i||function(e){var t=new Map;"byteOffset"in e&&t.set("byteOffset",e.byteOffset.toString(10));"byteStride"in e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new gM(e,new IM(t.size,new gM("value",r)),!1,s)}function SM(e,t,i){var r=RM(t.metadata),s=[],n=function(e){var t={};for(var i in e){var r=e[i];t[r.name||"undefined"]=r}return t}(t.attributes);for(var o in e){var a=TM(o,e[o],n[o]);s.push(a)}if(i){var l=TM("indices",i);s.push(l)}return new pM(s,r)}function TM(e,t,i){return DM(e,t,i?RM(i.metadata):void 0)}function RM(e){var t=new Map;for(var i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}var LM={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},UM={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},OM=function(){function e(t){P(this,e),dB(this,"draco",void 0),dB(this,"decoder",void 0),dB(this,"metadataQuerier",void 0),this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}return C(e,[{key:"destroy",value:function(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}},{key:"parseSync",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);var r=this.decoder.GetEncodedGeometryType(i),s=r===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{var n;switch(r){case this.draco.TRIANGULAR_MESH:n=this.decoder.DecodeBufferToMesh(i,s);break;case this.draco.POINT_CLOUD:n=this.decoder.DecodeBufferToPointCloud(i,s);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!n.ok()||!s.ptr){var o="DRACO decompression failed: ".concat(n.error_msg());throw new Error(o)}var a=this._getDracoLoaderData(s,r,t),u=this._getMeshData(s,a,t),c=dM(u.attributes),A=SM(u.attributes,a,u.indices),h=l(l({loader:"draco",loaderData:a,header:{vertexCount:s.num_points(),boundingBox:c}},u),{},{schema:A});return h}finally{this.draco.destroy(i),s&&this.draco.destroy(s)}}},{key:"_getDracoLoaderData",value:function(e,t,i){var r=this._getTopLevelMetadata(e),s=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:r,attributes:s}}},{key:"_getDracoAttributes",value:function(e,t){for(var i={},r=0;r<e.num_attributes();r++){var s=this.decoder.GetAttribute(e,r),n=this._getAttributeMetadata(e,r);i[s.unique_id()]={unique_id:s.unique_id(),attribute_type:s.attribute_type(),data_type:s.data_type(),num_components:s.num_components(),byte_offset:s.byte_offset(),byte_stride:s.byte_stride(),normalized:s.normalized(),attribute_index:r,metadata:n};var o=this._getQuantizationTransform(s,t);o&&(i[s.unique_id()].quantization_transform=o);var a=this._getOctahedronTransform(s,t);a&&(i[s.unique_id()].octahedron_transform=a)}return i}},{key:"_getMeshData",value:function(e,t,i){var r=this._getMeshAttributes(t,e,i);if(!r.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:r,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:r,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:r}}},{key:"_getMeshAttributes",value:function(e,t,i){for(var r={},s=0,n=Object.values(e.attributes);s<n.length;s++){var o=n[s],a=this._deduceAttributeName(o,i);o.name=a;var l=this._getAttributeValues(t,o),u=l.value,c=l.size;r[a]={value:u,size:c,byteOffset:o.byte_offset,byteStride:o.byte_stride,normalized:o.normalized}}return r}},{key:"_getTriangleListIndices",value:function(e){var t=3*e.num_faces(),i=4*t,r=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,r),new Uint32Array(this.draco.HEAPF32.buffer,r,t).slice()}finally{this.draco._free(r)}}},{key:"_getTriangleStripIndices",value:function(e){var t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){for(var t=e.size(),i=new Int32Array(t),r=0;r<t;r++)i[r]=e.GetValue(r);return i}(t)}finally{this.draco.destroy(t)}}},{key:"_getAttributeValues",value:function(e,t){var i,r=UM[t.data_type],s=t.num_components,n=e.num_points()*s,o=n*r.BYTES_PER_ELEMENT,a=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,r),l=this.draco._malloc(o);try{var u=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,u,a,o,l),i=new r(this.draco.HEAPF32.buffer,l,n).slice()}finally{this.draco._free(l)}return{value:i,size:s}}},{key:"_deduceAttributeName",value:function(e,t){for(var i=e.unique_id,r=0,s=Object.entries(t.extraAttributes||{});r<s.length;r++){var n=c(s[r],2),o=n[0];if(n[1]===i)return o}var a=e.attribute_type;for(var l in LM){if(this.draco[l]===a)return LM[l]}var u=t.attributeNameEntry||"name";return e.metadata[u]?e.metadata[u].string:"CUSTOM_ATTRIBUTE_".concat(i)}},{key:"_getTopLevelMetadata",value:function(e){var t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}},{key:"_getAttributeMetadata",value:function(e,t){var i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}},{key:"_getDracoMetadata",value:function(e){if(!e||!e.ptr)return{};for(var t={},i=this.metadataQuerier.NumEntries(e),r=0;r<i;r++){var s=this.metadataQuerier.GetEntryName(e,r);t[s]=this._getDracoMetadataField(e,s)}return t}},{key:"_getDracoMetadataField",value:function(e,t){var i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);var r=function(e){for(var t=e.size(),i=new Int32Array(t),r=0;r<t;r++)i[r]=e.GetValue(r);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:r}}finally{this.draco.destroy(i)}}},{key:"_disableAttributeTransforms",value:function(e){var t,i=e.quantizedAttributes,r=void 0===i?[]:i,s=e.octahedronAttributes,n=void 0===s?[]:s,o=h([].concat(A(r),A(n)));try{for(o.s();!(t=o.n()).done;){var a=t.value;this.decoder.SkipAttributeTransform(this.draco[a])}}catch(e){o.e(e)}finally{o.f()}}},{key:"_getQuantizationTransform",value:function(e,t){var i=this,r=t.quantizedAttributes,s=void 0===r?[]:r,n=e.attribute_type();if(s.map((function(e){return i.decoder[e]})).includes(n)){var o=new this.draco.AttributeQuantizationTransform;try{if(o.InitFromAttribute(e))return{quantization_bits:o.quantization_bits(),range:o.range(),min_values:new Float32Array([1,2,3]).map((function(e){return o.min_value(e)}))}}finally{this.draco.destroy(o)}}return null}},{key:"_getOctahedronTransform",value:function(e,t){var i=this,r=t.octahedronAttributes,s=void 0===r?[]:r,n=e.attribute_type();if(s.map((function(e){return i.decoder[e]})).includes(n)){var o=new this.draco.AttributeQuantizationTransform;try{if(o.InitFromAttribute(e))return{quantization_bits:o.quantization_bits()}}finally{this.draco.destroy(o)}}return null}}]),e}();var NM,QM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),VM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),HM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");function jM(e){return GM.apply(this,arguments)}function GM(){return(GM=o(s().mark((function e(t){var i;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return i=t.modules||{},NM=i.draco3d?NM||i.draco3d.createDecoderModule({}).then((function(e){return{draco:e}})):NM||zM(t),e.next=4,NM;case 4:return e.abrupt("return",e.sent);case 5:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function zM(e){return KM.apply(this,arguments)}function KM(){return(KM=o(s().mark((function e(t){var i,r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:e.t0=t.draco&&t.draco.decoderType,e.next="js"===e.t0?3:(e.t0,7);break;case 3:return e.next=5,kB(QM,"draco",t);case 5:return i=e.sent,e.abrupt("break",21);case 7:return e.t1=Promise,e.next=10,kB(VM,"draco",t);case 10:return e.t2=e.sent,e.next=13,kB(HM,"draco",t);case 13:return e.t3=e.sent,e.t4=[e.t2,e.t3],e.next=17,e.t1.all.call(e.t1,e.t4);case 17:n=e.sent,o=c(n,2),i=o[0],r=o[1];case 21:return i=i||globalThis.DracoDecoderModule,e.next=24,WM(i,r);case 24:return e.abrupt("return",e.sent);case 25:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function WM(e,t){var i={};return t&&(i.wasmBinary=t),new Promise((function(t){e(l(l({},i),{},{onModuleLoaded:function(e){return t({draco:e})}}))}))}var XM=l(l({},hM),{},{parse:function(e,t){return JM.apply(this,arguments)}});function JM(){return(JM=o(s().mark((function e(t,i){var r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return e.next=2,jM(i);case 2:return r=e.sent,n=r.draco,o=new OM(n),e.prev=5,e.abrupt("return",o.parseSync(t,null==i?void 0:i.draco));case 7:return e.prev=7,o.destroy(),e.finish(7);case 10:case"end":return e.stop()}}),e,null,[[5,,7,10]])})))).apply(this,arguments)}function YM(e){var t={};for(var i in e){var r=e[i];if("indices"!==i){var s=ZM(r);t[i]=s}}return t}function ZM(e){var t=function(e){var t=e,i=1,r=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),r=t.length/i);return{buffer:t,size:i,count:r}}(e),i=t.buffer,r=t.size;return{value:i,size:r,byteOffset:0,count:t.count,type:QC(r),componentType:VC(i)}}function qM(){return(qM=o(s().mark((function e(t,i,r){var n,o,a,l,u,c;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(null!=i&&null!==(n=i.gltf)&&void 0!==n&&n.decompressMeshes){e.next=2;break}return e.abrupt("return");case 2:o=new zC(t),a=[],l=h(rE(o));try{for(l.s();!(u=l.n()).done;)c=u.value,o.getObjectExtension(c,"KHR_draco_mesh_compression")&&a.push($M(o,c,i,r))}catch(e){l.e(e)}finally{l.f()}return e.next=8,Promise.all(a);case 8:o.removeExtension("KHR_draco_mesh_compression");case 9:case"end":return 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i=e.pbrMetallicRoughness;i.baseColorTexture&&(i.baseColorTexture=l({},i.baseColorTexture),i.baseColorTexture.texture=this.getTexture(i.baseColorTexture.index)),i.metallicRoughnessTexture&&(i.metallicRoughnessTexture=l({},i.metallicRoughnessTexture),i.metallicRoughnessTexture.texture=this.getTexture(i.metallicRoughnessTexture.index))}return e}},{key:"_resolveAccessor",value:function(e,t){var i,r;if(e.id=e.id||"accessor-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(i=e.componentType,bE[i]),e.components=(r=e.type,yE[r]),e.bytesPerElement=e.bytesPerComponent*e.components,e.bufferView){var s=e.bufferView.buffer,n=HC(e,e.bufferView),o=n.ArrayType,a=n.byteLength,l=(e.bufferView.byteOffset||0)+(e.byteOffset||0)+s.byteOffset,u=s.arrayBuffer.slice(l,l+a);e.bufferView.byteStride&&(u=this._getValueFromInterleavedBuffer(s,l,e.bufferView.byteStride,e.bytesPerElement,e.count)),e.value=new o(u)}return e}},{key:"_getValueFromInterleavedBuffer",value:function(e,t,i,r,s){for(var n=new Uint8Array(s*r),o=0;o<s;o++){var a=t+o*i;n.set(new Uint8Array(e.arrayBuffer.slice(a,a+r)),o*r)}return n.buffer}},{key:"_resolveTexture",value:function(e,t){return e.id=e.id||"texture-".concat(t),e.sampler="sampler"in e?this.getSampler(e.sampler):FE,e.source=this.getImage(e.source),e}},{key:"_resolveSampler",value:function(e,t){for(var i in e.id=e.id||"sampler-".concat(t),e.parameters={},e){var r=this._enumSamplerParameter(i);void 0!==r&&(e.parameters[r]=e[i])}return e}},{key:"_enumSamplerParameter",value:function(e){return EE[e]}},{key:"_resolveImage",value:function(e,t){e.id=e.id||"image-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView));var i=this.images[t];return i&&(e.image=i),e}},{key:"_resolveBufferView",value:function(e,t){var i=e.buffer,r=l(l({id:"bufferView-".concat(t)},e),{},{buffer:this.buffers[i]}),s=this.buffers[i].arrayBuffer,n=this.buffers[i].byteOffset||0;return"byteOffset"in e&&(n+=e.byteOffset),r.data=new Uint8Array(s,n,e.byteLength),r}},{key:"_resolveCamera",value:function(e,t){return e.id=e.id||"camera-".concat(t),e.perspective,e.orthographic,e}}]),e}();function IE(e,t){return(new kE).postProcess(e,t)}var DE=!0;function SE(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0;return"".concat(String.fromCharCode(e.getUint8(t+0))).concat(String.fromCharCode(e.getUint8(t+1))).concat(String.fromCharCode(e.getUint8(t+2))).concat(String.fromCharCode(e.getUint8(t+3)))}function TE(e,t,i){rB(e.header.byteLength>20);var r=t.getUint32(i+0,DE),s=t.getUint32(i+4,DE);return i+=8,rB(0===s),LE(e,t,i,r),i+=r,i+=UE(e,t,i,e.header.byteLength)}function RE(e,t,i,r){return rB(e.header.byteLength>20),function(e,t,i,r){for(;i+8<=e.header.byteLength;){var 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13:h=e.sent,t.buffers[o]={arrayBuffer:h,byteOffset:0,byteLength:h.byteLength},delete a.uri,e.next=19;break;case 18:null===t.buffers[o]&&(t.buffers[o]={arrayBuffer:new ArrayBuffer(a.byteLength),byteOffset:0,byteLength:a.byteLength});case 19:++o,e.next=2;break;case 22:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function jE(e,t,i){return GE.apply(this,arguments)}function GE(){return(GE=o(s().mark((function e(t,i,r){var n,o,a,l,u,c;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:n=zE(t),o=t.json.images||[],a=[],l=h(n);try{for(l.s();!(u=l.n()).done;)c=u.value,a.push(KE(t,o[c],c,i,r))}catch(e){l.e(e)}finally{l.f()}return e.next=7,Promise.all(a);case 7:return e.abrupt("return",e.sent);case 8:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function zE(e){var t,i=new Set,r=h(e.json.textures||[]);try{for(r.s();!(t=r.n()).done;){var s=t.value;void 0!==s.source&&i.add(s.source)}}catch(e){r.e(e)}finally{r.f()}return Array.from(i).sort()}function 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JE.apply(this,arguments)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};function JE(){return JE=o(s().mark((function e(t){var i,r,n,o,a,u=arguments;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return i=u.length>1&&void 0!==u[1]?u[1]:{},r=u.length>2?u[2]:void 0,(i=l(l({},XE.options),i)).gltf=l(l({},XE.options.gltf),i.gltf),n=i.byteOffset,o=void 0===n?0:n,a={},e.next=8,OE(a,t,o,i,r);case 8:return e.abrupt("return",e.sent);case 9:case"end":return e.stop()}}),e)}))),JE.apply(this,arguments)}var YE=function(){function e(t){P(this,e)}return C(e,[{key:"load",value:function(e,t,i,r,s,n,o){!function(e,t,i,r,s,n,o){var 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l={src:t,entityId:s.entityId,metaModelJSON:r,autoMetaModel:s.autoMetaModel,globalizeObjectIds:s.globalizeObjectIds,metaObjects:[],loadBuffer:s.loadBuffer,basePath:s.basePath,handlenode:s.handlenode,backfaces:!!s.backfaces,gltfData:i,scene:n.scene,plugin:e,sceneModel:n,numObjects:0,nodes:[],nextId:0,log:function(t){e.log(t)}};!function(e){var t=e.gltfData.textures;if(t)for(var i=0,r=t.length;i<r;i++)$E(e,t[i])}(l),function(e){var t=e.gltfData.materials;if(t)for(var i=0,r=t.length;i<r;i++){var s=t[i];s._textureSetId=eF(e,s),s._attributes=tF(e,s)}}(l),s.autoMetaModel&&l.metaObjects.push({id:n.id,type:"Default",name:n.id}),function(e){var t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");var r=i.nodes;if(!r)return;!function e(t){t.forEach((function(t){var i=t.mesh;i&&(i.instances||(i.instances=0),i.instances+=1),t.children&&e(t.children)}))}(r);var s=[],n=null;!function t(i,r,o){i.forEach((function(i){var 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3:l.primitive="lines";break;default:l.primitive=c?"triangles":"solid"}var A=a.attributes.POSITION;if(A){l.localPositions=A.value,l.positions=new Float64Array(l.localPositions.length),a.attributes.NORMAL&&(l.normals=a.attributes.NORMAL.value),a.attributes.TEXCOORD_0&&(l.uv=a.attributes.TEXCOORD_0.value),a.indices&&(l.indices=a.indices.value),i?re.transformPositions3(i,l.localPositions,l.positions):l.positions.set(l.localPositions);var h=re.vec3();We(l.positions,l.positions,h)&&(l.origin=h),t.sceneModel.createMesh(l),r.push(l.id)}}}}(i,e,u,n),i.children&&t(i.children,r+1,u),l){if(n.length>0){var c=e.globalizeObjectIds?re.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:c,meshIds:n,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:c,type:"Default",name:c,parent:e.sceneModel.id})}n=s.pop()}}))}(r,0,null)}(l),n.finalize(),s.autoMetaModel&&e.viewer.metaScene.createMetaModel(n.id,{metaObjects:l.metaObjects}),a.processes--,o()}))}function $E(e,t){if(t.source&&t.source.image){var i="texture-".concat(e.nextId++),r=1005;switch(t.sampler.minFilter){case 9728:r=1003;break;case 9729:r=1006;break;case 9984:r=1004;break;case 9985:r=1007;break;case 9986:r=1005;break;case 9987:r=1008}var s=1006;switch(t.sampler.magFilter){case 9728:s=1003;break;case 9729:s=1006}var n=1e3;switch(t.sampler.wrapS){case 33071:n=1001;break;case 33648:n=1002;break;case 10497:n=1e3}var o=1e3;switch(t.sampler.wrapT){case 33071:o=1001;break;case 33648:o=1002;break;case 10497:o=1e3}var a=1e3;switch(t.sampler.wrapR){case 33071:a=1001;break;case 33648:a=1002;break;case 10497:a=1e3}e.sceneModel.createTexture({id:i,image:t.source.image,flipY:!!t.flipY,minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,encoding:3001}),t._textureId=i}}function eF(e,t){var i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":var r=t.alphaCutoff;i.alphaCutoff=void 0!==r?r:.5}var s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){var n=t.pbrMetallicRoughness,o=n.baseColorTexture||n.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}var a=t.extensions;if(a){var l=a.KHR_materials_pbrSpecularGlossiness;if(l){l.specularTexture;var u=l.specularColorTexture;null!=u&&(i.colorTextureId=e.gltfData.textures[u.index]._textureId)}}return void 0!==i.normalTextureId||void 0!==i.occlusionTextureId||void 0!==i.emissiveTextureId||void 0!==i.colorTextureId||void 0!==i.metallicRoughnessTextureId?(i.id="textureSet-".concat(e.nextId++,";"),e.sceneModel.createTextureSet(i),i.id):null}function tF(e,t){var i=t.extensions,r={color:new Float32Array([1,1,1,1]),opacity:1,metallic:0,roughness:1,doubleSided:!0};if(i){var s=i.KHR_materials_pbrSpecularGlossiness;if(s){var n=s.diffuseFactor;null!=n&&r.color.set(n)}var o=i.KHR_materials_common;if(o){var a=o.technique,l=o.values||{},u="BLINN"===a,c="PHONG"===a,A="LAMBERT"===a,h=l.diffuse;h&&(u||c||A)&&(he.isString(h)||r.color.set(h));var d=l.transparency;null!=d&&(r.opacity=d);var p=l.transparent;null!=p&&(r.opacity=p)}}var f=t.pbrMetallicRoughness;if(f){var v=f.baseColorFactor;v&&(r.color[0]=v[0],r.color[1]=v[1],r.color[2]=v[2],r.opacity=v[3]);var g=f.metallicFactor;null!=g&&(r.metallic=g);var m=f.roughnessFactor;null!=m&&(r.roughness=m)}return r.doubleSided=!1!==t.doubleSided,r}var iF={DEFAULT:{}},rF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"GLTFLoader",e,s))._sceneModelLoader=new YE(b(r),s),r.dataSource=s.dataSource,r.objectDefaults=s.objectDefaults,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new kd}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||iF}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new nd(this.viewer.scene,he.apply(t,{isModel:!0,dtxEnabled:t.dtxEnabled})),r=i.id;if(!t.src&&!t.gltf)return this.error("load() param expected: src or gltf"),i;if(t.metaModelSrc||t.metaModelJSON){var s=function(s){e.viewer.metaScene.createMetaModel(r,s,{}),e.viewer.scene.canvas.spinner.processes--,t.src?e._sceneModelLoader.load(e,t.src,s,t,i):e._sceneModelLoader.parse(e,t.gltf,s,t,i)};if(t.metaModelSrc){var n=t.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(n,(function(t){e.viewer.scene.canvas.spinner.processes--,s(t)}),(function(t){e.error("load(): Failed to load model metadata for model '".concat(r," from  '").concat(n,"' - ").concat(t)),e.viewer.scene.canvas.spinner.processes--}))}else t.metaModelJSON&&s(t.metaModelJSON)}else t.src?this._sceneModelLoader.load(this,t.src,null,t,i):this._sceneModelLoader.parse(this,t.gltf,null,t,i);return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this)}}]),i}();function sF(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r="lightgrey",s=i.hoverColor||"rgba(0,0,0,0.4)",n=i.textColor||"black",o=500,a=o+o/3,l=a/24,u=[{boundary:[6,6,6,6],color:i.frontColor||i.color||"#55FF55"},{boundary:[18,6,6,6],color:i.backColor||i.color||"#55FF55"},{boundary:[12,6,6,6],color:i.rightColor||i.color||"#FF5555"},{boundary:[0,6,6,6],color:i.leftColor||i.color||"#FF5555"},{boundary:[6,0,6,6],color:i.topColor||i.color||"#7777FF"},{boundary:[6,12,6,6],color:i.bottomColor||i.color||"#7777FF"}],c=[{label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,1,0],up:[0,0,1]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,-1,0],up:[0,0,1]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,0,1]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,0,1]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,0,1],up:[0,-1,0]},{boundaries:[[7,5,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,0,-1],up:[1,0,1]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-1,-1],up:[0,-1,1]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,0,-1],up:[-1,0,1]},{boundaries:[[7,11,4,2]],dir:[0,1,1],up:[0,-1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,0,1],up:[-1,0,1]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,-1,1],up:[0,1,1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,0,1],up:[1,0,1]},{boundaries:[[5,7,2,4]],dir:[1,1,0],up:[0,0,1]},{boundaries:[[11,7,2,4]],dir:[-1,1,0],up:[0,0,1]},{boundaries:[[17,7,2,4]],dir:[-1,-1,0],up:[0,0,1]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,-1,0],up:[0,0,1]},{boundaries:[[5,11,2,2]],dir:[1,1,1],up:[-1,-1,1]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[1,-1,1],up:[-1,1,1]},{boundaries:[[5,5,2,2]],dir:[1,1,-1],up:[1,1,1]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-1,-1,1],up:[1,1,1]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-1,-1,-1],up:[-1,-1,1]},{boundaries:[[11,11,2,2]],dir:[-1,1,1],up:[1,-1,1]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[1,-1,-1],up:[1,-1,1]},{boundaries:[[11,5,2,2]],dir:[-1,1,-1],up:[-1,1,1]}];i.frontColor||i.color,i.backColor||i.color,i.rightColor||i.color,i.leftColor||i.color,i.topColor||i.color,i.bottomColor||i.color;for(var A=[{yUp:"",label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,0,1],up:[0,1,0]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,1,0]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,1,0]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,-1,0],up:[0,0,-1]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,1,0],up:[0,0,1]},{boundaries:[[7,5,4,2]],dir:[0,-.7071,-.7071],up:[0,.7071,-.7071]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,-1,0],up:[1,1,0]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-.7071,.7071],up:[0,.7071,.7071]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,-1,0],up:[-1,1,0]},{boundaries:[[7,11,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,1,0],up:[-1,1,0]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,1,1],up:[0,1,-1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,1,0],up:[1,1,0]},{boundaries:[[5,7,2,4]],dir:[1,0,-1],up:[0,1,0]},{boundaries:[[11,7,2,4]],dir:[-1,0,-1],up:[0,1,0]},{boundaries:[[17,7,2,4]],dir:[-1,0,1],up:[0,1,0]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,0,1],up:[0,1,0]},{boundaries:[[5,11,2,2]],dir:[.5,.7071,-.5],up:[-.5,.7071,.5]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[.5,.7071,.5],up:[-.5,.7071,-.5]},{boundaries:[[5,5,2,2]],dir:[.5,-.7071,-.5],up:[.5,.7071,-.5]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-.5,.7071,.5],up:[.5,.7071,-.5]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-.5,-.7071,.5],up:[-.5,.7071,.5]},{boundaries:[[11,11,2,2]],dir:[-.5,.7071,-.5],up:[.5,.7071,.5]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[.5,-.7071,.5],up:[.5,.7071,.5]},{boundaries:[[11,5,2,2]],dir:[-.5,-.7071,-.5],up:[-.5,.7071,-.5]}],h=0,d=c.length;h<d;h++)re.normalizeVec3(c[h].dir,c[h].dir),re.normalizeVec3(c[h].up,c[h].up);for(var p=0,f=A.length;p<f;p++)re.normalizeVec3(A[p].dir,A[p].dir),re.normalizeVec3(A[p].up,A[p].up);var v=A;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=o,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height=o+"px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=r,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;var g=document.getElementsByTagName("body")[0];g.appendChild(this._textureCanvas);var m=this._textureCanvas.getContext("2d"),_=!1;function y(){for(var e=0,i=u.length;e<i;e++){var o=u[e],a=o.boundary,c=Math.round(a[0]*l),A=Math.round(a[1]*l),h=Math.round(a[2]*l),d=Math.round(a[3]*l);m.fillStyle=o.color,m.fillRect(c,A,h,d)}for(var p=0,f=v.length;p<f;p++){for(var g=void 0,_=void 0,y=void 0,b=void 0,B=v[p],w=B.boundaries,x=0,C=w.length;x<C;x++){var M=w[x];g=Math.round(M[0]*l),_=Math.round(M[1]*l),y=Math.round(M[2]*l),b=Math.round(M[3]*l),B.highlighted&&(m.fillStyle=B.highlighted?s:B.color||r,m.fillRect(g,_,y,b))}if(B.label){m.fillStyle=n,m.font="60px sans-serif",m.textAlign="center";var E=g+.5*y,F=_+.7*b;m.fillText(P(B.label),E,F,80)}}t.glRedraw()}var b,B,w,P=(b={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},B={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},w={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"},function(t){var i=_?B:b,r=i?i[t]:null;return r?e.localeService.translate(r)||w[r]||r:t});this.setZUp=function(){_=!0,v=c,this.clear()},this.setYUp=function(){_=!1,v=A,this.clear()},this.clear=function(){m.fillStyle=r,m.fillRect(0,0,a,o);for(var e=0,t=v.length;e<t;e++){v[e].highlighted=!1}y()},this.getArea=function(e){for(var t=e[0]*a,i=o-e[1]*o,r=0,s=v.length;r<s;r++)for(var n=v[r].boundaries,u=0,c=n.length;u<c;u++){var A=n[u];if(t>=A[0]*l&&t<=(A[0]+A[2])*l&&i>=A[1]*l&&i<=(A[1]+A[3])*l)return r}return-1},this.setAreaHighlighted=function(e,t){var i=v[e];if(!i)throw"Area not found: "+e;i.highlighted=!!t,y()},this.getAreaDir=function(e){var t=v[e];if(!t)throw"Unknown area: "+e;return t.dir},this.getAreaUp=function(e){var t=v[e];if(!t)throw"Unknown area: "+e;return t.up},this.getImage=function(){return this._textureCanvas},this.destroy=function(){this._textureCanvas&&(this._textureCanvas.parentNode.removeChild(this._textureCanvas),this._textureCanvas=null)}}var nF=re.vec3(),oF=re.vec3();re.mat4();var aF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),r=t.call(this,"NavCube",e,s),e.navCube=b(r);var n=!0;try{r._navCubeScene=new Ir(e,{canvasId:s.canvasId,canvasElement:s.canvasElement,transparent:!0}),r._navCubeCanvas=r._navCubeScene.canvas.canvas,r._navCubeScene.input.keyboardEnabled=!1}catch(e){return r.error(e),y(r)}var o=r._navCubeScene;o.clearLights(),new $i(o,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new $i(o,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new $i(o,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),r._navCubeCamera=o.camera,r._navCubeCamera.ortho.scale=7,r._navCubeCamera.ortho.near=.1,r._navCubeCamera.ortho.far=2e3,o.edgeMaterial.edgeColor=[.2,.2,.2],o.edgeMaterial.edgeAlpha=.6,r._zUp=Boolean(e.camera.zUp);var a=b(r);r.setIsProjectNorth(s.isProjectNorth),r.setProjectNorthOffsetAngle(s.projectNorthOffsetAngle);var l,u=(l=re.mat4(),function(e,t,i){return re.identityMat4(l),re.rotationMat4v(e*a._projectNorthOffsetAngle*re.DEGTORAD,[0,1,0],l),re.transformVec3(l,t,i)});r._synchCamera=function(){var t=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),i=re.vec3(),r=re.vec3(),s=re.vec3();return function(){var n=e.camera.eye,o=e.camera.look,l=e.camera.up;i=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(n,o,i)),5),a._isProjectNorth&&a._projectNorthOffsetAngle&&(i=u(-1,i,nF),l=u(-1,l,oF)),a._zUp?(re.transformVec3(t,i,r),re.transformVec3(t,l,s),a._navCubeCamera.look=[0,0,0],a._navCubeCamera.eye=re.transformVec3(t,i,r),a._navCubeCamera.up=re.transformPoint3(t,l,s)):(a._navCubeCamera.look=[0,0,0],a._navCubeCamera.eye=i,a._navCubeCamera.up=l)}}(),r._cubeTextureCanvas=new sF(e,o,s),r._cubeSampler=new go(o,{image:r._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),r._cubeMesh=new Un(o,{geometry:new hr(o,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new gr(o,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:r._cubeSampler,emissiveMap:r._cubeSampler}),visible:!!n,edges:!0}),r._shadow=!1===s.shadowVisible?null:new Un(o,{geometry:new hr(o,Nn({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new gr(o,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!!n,pickable:!1,backfaces:!1}),r._onCameraMatrix=e.camera.on("matrix",r._synchCamera),r._onCameraWorldAxis=e.camera.on("worldAxis",(function(){e.camera.zUp?(r._zUp=!0,r._cubeTextureCanvas.setZUp(),r._repaint(),r._synchCamera()):e.camera.yUp&&(r._zUp=!1,r._cubeTextureCanvas.setYUp(),r._repaint(),r._synchCamera())})),r._onCameraFOV=e.camera.perspective.on("fov",(function(e){r._synchProjection&&(r._navCubeCamera.perspective.fov=e)})),r._onCameraProjection=e.camera.on("projection",(function(e){r._synchProjection&&(r._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var c=-1;function A(t,i){var r=(t-d)*-_,s=(i-p)*-_;e.camera.orbitYaw(r),e.camera.orbitPitch(-s),d=t,p=i}function h(e){var t=[0,0];if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var d,p,f=null,v=null,g=!1,m=!1,_=.5;a._navCubeCanvas.addEventListener("mouseenter",a._onMouseEnter=function(e){m=!0}),a._navCubeCanvas.addEventListener("mouseleave",a._onMouseLeave=function(e){m=!1}),a._navCubeCanvas.addEventListener("mousedown",a._onMouseDown=function(e){if(1===e.which){f=e.x,v=e.y,d=e.clientX,p=e.clientY;var t=h(e),i=o.pick({canvasPos:t});g=!!i}}),document.addEventListener("mouseup",a._onMouseUp=function(e){if(1===e.which&&(g=!1,null!==f)){var t=h(e),i=o.pick({canvasPos:t,pickSurface:!0});if(i&&i.uv){var r=a._cubeTextureCanvas.getArea(i.uv);if(r>=0&&(document.body.style.cursor="pointer",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),r>=0)){if(a._cubeTextureCanvas.setAreaHighlighted(r,!0),c=r,a._repaint(),e.x<f-3||e.x>f+3||e.y<v-3||e.y>v+3)return;var s=a._cubeTextureCanvas.getAreaDir(r);if(s){var n=a._cubeTextureCanvas.getAreaUp(r);a._isProjectNorth&&a._projectNorthOffsetAngle&&(s=u(1,s,nF),n=u(1,n,oF)),B(s,n,(function(){c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),document.body.style.cursor="pointer",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),r>=0&&(a._cubeTextureCanvas.setAreaHighlighted(r,!1),c=-1,a._repaint())}))}}}}}),document.addEventListener("mousemove",a._onMouseMove=function(e){if(c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),1!==e.buttons||g){if(g){var t=e.clientX,i=e.clientY;return document.body.style.cursor="move",void A(t,i)}if(m){var r=h(e),s=o.pick({canvasPos:r,pickSurface:!0});if(s){if(s.uv){document.body.style.cursor="pointer";var n=a._cubeTextureCanvas.getArea(s.uv);if(n===c)return;c>=0&&a._cubeTextureCanvas.setAreaHighlighted(c,!1),n>=0&&(a._cubeTextureCanvas.setAreaHighlighted(n,!0),a._repaint(),c=n)}}else document.body.style.cursor="default",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1)}}});var B=function(){var t=re.vec3();return function(i,r,s){var n=a._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,o=re.getAABB3Diag(n);re.getAABB3Center(n,t);var l=Math.abs(o/Math.tan(a._cameraFitFOV*re.DEGTORAD));e.cameraControl.pivotPos=t,a._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*o,fitFOV:a._cameraFitFOV,duration:a._cameraFlyDuration},s):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*o,fitFOV:a._cameraFitFOV},s)}}();return r._onUpdated=e.localeService.on("updated",(function(){r._cubeTextureCanvas.clear(),r._repaint()})),r.setVisible(s.visible),r.setCameraFitFOV(s.cameraFitFOV),r.setCameraFly(s.cameraFly),r.setCameraFlyDuration(s.cameraFlyDuration),r.setFitVisible(s.fitVisible),r.setSynchProjection(s.synchProjection),r}return C(i,[{key:"send",value:function(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}},{key:"_repaint",value:function(){var e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}},{key:"getVisible",value:function(){return!!this._navCubeCanvas&&this._cubeMesh.visible}},{key:"setFitVisible",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._fitVisible=e}},{key:"getFitVisible",value:function(){return this._fitVisible}},{key:"setCameraFly",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._cameraFly=e}},{key:"getCameraFly",value:function(){return this._cameraFly}},{key:"setCameraFitFOV",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:45;this._cameraFitFOV=e}},{key:"getCameraFitFOV",value:function(){return this._cameraFitFOV}},{key:"setCameraFlyDuration",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:.5;this._cameraFlyDuration=e}},{key:"getCameraFlyDuration",value:function(){return this._cameraFlyDuration}},{key:"setSynchProjection",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._synchProjection=e}},{key:"getSynchProjection",value:function(){return this._synchProjection}},{key:"setIsProjectNorth",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._isProjectNorth=e}},{key:"getIsProjectNorth",value:function(){return this._isProjectNorth}},{key:"setProjectNorthOffsetAngle",value:function(e){this._projectNorthOffsetAngle=e}},{key:"getProjectNorthOffsetAngle",value:function(){return this._projectNorthOffsetAngle}},{key:"destroy",value:function(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,f(B(i.prototype),"destroy",this).call(this)}}]),i}(),lF=re.vec3(),uF=function(){function e(){P(this,e)}return C(e,[{key:"load",value:function(e,t){var i=e.scene.canvas.spinner;i.processes++,cF(e,t,(function(t){hF(e,t,(function(){fF(e,t),i.processes--,we.scheduleTask((function(){e.fire("loaded",!0,!1)}))}))}))}},{key:"parse",value:function(e,t,i,r){if(t){var s=AF(e,t,null);i&&pF(e,i,r),fF(e,s),e.src=null,e.fire("loaded",!0,!1)}else this.warn("load() param expected: objText")}}]),e}(),cF=function(e,t,i){vF(t,(function(r){var s=AF(e,r,t);i(s)}),(function(t){e.error(t)}))},AF=function(){var 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o={src:n=n||"",basePath:t(n),objects:[],object:{},positions:[],normals:[],uv:[],materialLibraries:{}};i(o,"",!1),-1!==s.indexOf("\r\n")&&(s=s.replace("\r\n","\n"));for(var a=s.split("\n"),l="",u="",c="",d=[],p="function"==typeof"".trimLeft,f=0,v=a.length;f<v;f++)if(l=a[f],0!==(l=p?l.trimLeft():l.trim()).length&&"#"!==(u=l.charAt(0)))if("v"===u)if(" "===(c=l.charAt(1))&&null!==(d=e.vertex_pattern.exec(l)))o.positions.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else if("n"===c&&null!==(d=e.normal_pattern.exec(l)))o.normals.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else{if("t"!==c||null===(d=e.uv_pattern.exec(l)))return void r.error("Unexpected vertex/normal/uv line: '"+l+"'");o.uv.push(parseFloat(d[1]),parseFloat(d[2]))}else if("f"===u)if(null!==(d=e.face_vertex_uv_normal.exec(l)))A(o,d[1],d[4],d[7],d[10],d[2],d[5],d[8],d[11],d[3],d[6],d[9],d[12]);else if(null!==(d=e.face_vertex_uv.exec(l)))A(o,d[1],d[3],d[5],d[7],d[2],d[4],d[6],d[8]);else 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s=e.uv,n=e.object.geometry.uv;n.push(s[t+0]),n.push(s[t+1]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[r+0]),n.push(s[r+1])}function c(e,t){var i=e.uv,r=e.object.geometry.uv;r.push(i[t+0]),r.push(i[t+1])}function A(e,t,i,a,c,A,h,d,p,f,v,g,m){var _,y=e.positions.length,b=r(t,y),B=r(i,y),w=r(a,y);if(void 0===c?o(e,b,B,w):(o(e,b,B,_=r(c,y)),o(e,B,w,_)),void 0!==A){var P=e.uv.length;b=n(A,P),B=n(h,P),w=n(d,P),void 0===c?u(e,b,B,w):(u(e,b,B,_=n(p,P)),u(e,B,w,_))}if(void 0!==f){var x=e.normals.length;b=s(f,x),B=f===v?b:s(v,x),w=f===g?b:s(g,x),void 0===c?l(e,b,B,w):(l(e,b,B,_=s(m,x)),l(e,B,w,_))}}function h(e,t,i){e.object.geometry.type="Line";for(var s=e.positions.length,o=e.uv.length,l=0,u=t.length;l<u;l++)a(e,r(t[l],s));for(var A=0,h=i.length;A<h;A++)c(e,n(i[A],o))}}();function hF(e,t,i){for(var r=t.basePath,s=Object.keys(t.materialLibraries),n=s.length,o=0,a=n;o<a;o++)dF(e,r,r+s[o],(function(){0==--n&&i()}))}var dF=function(e,t,i,r){vF(i,(function(i){pF(e,i,t),r()}),(function(t){e.error(t),r()}))},pF=function(){var e=/\s+/;return function(e,s,n){var o,a,l,u,c,A=s.split("\n"),h={id:"Default"},d=!1;n=n||"";for(var p=0;p<A.length;p++)if(0!==(o=A[p].trim()).length&&"#"!==o.charAt(0))switch(l=(l=(a=o.indexOf(" "))>=0?o.substring(0,a):o).toLowerCase(),u=(u=a>=0?o.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,h),h={id:u},d=!0;break;case"ka":h.ambient=r(u);break;case"kd":h.diffuse=r(u);break;case"ks":h.specular=r(u);break;case"map_kd":h.diffuseMap||(h.diffuseMap=t(e,n,u,"sRGB"));break;case"map_ks":h.specularMap||(h.specularMap=t(e,n,u,"linear"));break;case"map_bump":case"bump":h.normalMap||(h.normalMap=t(e,n,u));break;case"ns":h.shininess=parseFloat(u);break;case"d":(c=parseFloat(u))<1&&(h.alpha=c,h.alphaMode="blend");break;case"tr":(c=parseFloat(u))>0&&(h.alpha=1-c,h.alphaMode="blend")}d&&i(e,h)};function t(e,t,i,r){var s={},n=i.split(/\s+/),o=n.indexOf("-bm");return o>=0&&n.splice(o,2),(o=n.indexOf("-s"))>=0&&(s.scale=[parseFloat(n[o+1]),parseFloat(n[o+2])],n.splice(o,4)),(o=n.indexOf("-o"))>=0&&(s.translate=[parseFloat(n[o+1]),parseFloat(n[o+2])],n.splice(o,4)),s.src=t+n.join(" ").trim(),s.flipY=!0,s.encoding=r||"linear",new go(e,s).id}function i(e,t){new gr(e,t)}function r(t){var i=t.split(e,3);return[parseFloat(i[0]),parseFloat(i[1]),parseFloat(i[2])]}}();function fF(e,t){for(var i=0,r=t.objects.length;i<r;i++){var s=t.objects[i],n=s.geometry;if(n.type,0!==n.positions.length){var o={primitive:"triangles",compressGeometry:!1};o.positions=n.positions,n.normals.length>0&&(o.normals=n.normals),n.uv.length>0&&(o.uv=n.uv);for(var a=new Array(o.positions.length/3),l=0;l<a.length;l++)a[l]=l;o.indices=a;var u=lF;We(n.positions,n.positions,u);var c,A=new hr(e,o),h=s.material.id;h&&""!==h?(c=e.scene.components[h])||e.error("Material not found: "+h):c=new gr(e,{diffuse:[.6,.6,.6],backfaces:!0});var d=new 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n=t.metaModelSrc;he.loadJSON(n,(function(n){e.viewer.metaScene.createMetaModel(r,n),e._sceneGraphLoader.load(i,s,t)}),(function(t){e.error("load(): Failed to load model modelMetadata for model '".concat(r," from  '").concat(n,"' - ").concat(t))}))}else this._sceneGraphLoader.load(i,s,t);return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this)}}]),i}(),mF=new Float64Array([0,0,1]),_F=new Float64Array(4),yF=function(){function e(t){var i=this;P(this,e),this.id=null;var r=t.viewer,s=r.camera,n=r.cameraControl,o=r.scene,a=o.canvas.canvas;this._visible=!1;var l,u,c=!1,h=!1,d=.09,p=.01,f=new eo(o,{position:[0,0,0],scale:[5,5,5],isObject:!1}),v=re.vec3(),g=(l=re.vec3(),u=re.vec3(),function(e){v.set(e),Ke(e,l,u),f.origin=l,f.position=u}),m=function(e,t){return new hr(f,Nn({radiusTop:.001,radiusBottom:e,radialSegments:32,heightSegments:1,height:t,openEnded:!1}))},_=function(e,t,i){return new hr(f,Nn({radiusTop:e,radiusBottom:e,radialSegments:i,heightSegments:1,height:t,openEnded:!1}))},y=function(e,t,i){return new hr(f,Fo({radius:.8,tube:e,radialSegments:64,tubeSegments:i,arc:2*Math.PI*t}))},b={curve:y(p,.25,14),curveHandle:y(d,.25,14),hoop:y(p,1,8),arrowHead:m(.07,.2),arrowHeadBig:m(.09,.25),arrowHeadHandle:_(d,.37,8),axis:_(p,1,20),axisHandle:_(d,1,20)},B=function(e,t){return new _r(f,{edges:!1,fill:!0,fillColor:e,fillAlpha:t})},w=new gr(f,{diffuse:[1,1,0],alpha:0,alphaMode:"blend"}),x={},C=function(e,t,i){var r,s,n,l=function(e){return new gr(f,{diffuse:e,emissive:e,ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2})}(e),u=re.rotationMat4v(270*re.DEGTORAD,[1,0,0],re.identityMat4()),c=re.quaternionToRotationMat4(re.vec3PairToQuaternion([0,1,0],i),re.identityMat4()),A=re.mulMat4(c,u,re.identityMat4()),d=re.scaleMat4v([.6,.6,.6],re.identityMat4()),p=function(e,t){var i=re.translateMat4v(e,re.identityMat4()),r=re.identityMat4();return re.mulMat4(i,t,r),re.mulMat4(A,r,r),re.mulMat4(r,d,re.identityMat4())},m=f.addChild(new Un(f,{geometry:b.curve,material:l,matrix:A,pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),h),_=f.addChild(new Un(f,{geometry:b.curveHandle,material:w,matrix:A,pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),h),y=f.addChild(new Un(f,{geometry:b.arrowHead,material:l,matrix:p([.8,.07,0],re.rotationMat4v(180*re.DEGTORAD,[0,0,1],re.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),h),P=f.addChild(new Un(f,{geometry:b.arrowHead,material:l,matrix:p([.07,.8,0],re.rotationMat4v(90*re.DEGTORAD,[0,0,1],re.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),h),C=f.addChild(new 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Un(f,{geometry:b.arrowHeadBig,material:l,matrix:F,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),h),N=(r=re.vec4(),s=re.vec3(),n=re.vec3(),function(t,i){I(e,r);var l=v,u=r;re.canvasPosToWorldRay(a,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,t,s,n);var c=re.dotVec3(u,n),A=re.subVec3(s,l,i),h=re.dotVec3(A,u),d=re.dotVec3(A,n),p=1-c*c;if(Math.abs(p)>1e-10){var f=(h-c*d)/p;return re.addVec3(l,re.mulVec3Scalar(u,f,i),i),!0}return!1}),Q=re.vec3(),V=re.vec3();x[R.id]=x[U.id]={setActivated:function(e){return O.visible=e},initDragAction:function(e){return N(e,Q)&&re.subVec3(Q,v,Q)&&function(e){N(e,V)&&(re.subVec3(V,Q,V),g(V),D._sectionPlane&&(D._sectionPlane.pos=V))}}};var H=re.vec2();return x[_.id]={setActivated:function(e){return C.visible=e},initDragAction:function(t){return H.set(t),function(t){S(e,H,t),H.set(t)}}},{set visible(e){T.visible=R.visible=L.visible=U.visible=m.visible=_.visible=y.visible=P.visible=e,e||(O.visible=e,C.visible=e)},set culled(e){T.culled=R.culled=L.culled=U.culled=m.culled=_.culled=y.culled=P.culled=e,e||(O.culled=e,C.culled=e)}}};this._displayMeshes=[f.addChild(new Un(f,{geometry:new hr(f,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new gr(f,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new _r(f,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),h),f.addChild(new Un(f,{geometry:new hr(f,Fo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new gr(f,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new _r(f,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),h),f.addChild(new Un(f,{geometry:new hr(f,Qn({radius:.05})),material:new gr(f,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),h),C([1,0,0],[1,0,0],[1,0,0]),C([0,1,0],[0,-1,0],[0,1,0]),C([0,0,1],[0,0,-1],[0,0,-1])];var M=[],E=-1,F=function(e){return f.scale=[e,e,e]},k=o.on("tick",(function(){var e=Math.abs(re.distVec3(s.eye,v));"perspective"===s.projection?e!==E&&F(.07*e*Math.tan(s.perspective.fov*re.DEGTORAD)):"ortho"===s.projection&&F(s.ortho.scale/10),E=e}));M.push((function(){return o.off(k)}));var I=function(){var e=re.mat4();return function(t,i){return re.quaternionToMat4(f.quaternion,e),re.transformVec3(e,t,i),re.normalizeVec3(i),i}}(),D=this,S=function(){var e=re.vec4(),t=re.vec4(),i=re.vec4(),r=re.vec4(),s=re.vec3(),n=re.mat4(),o=re.vec3();return function(a,l,u){if(I(a,r),!(T(l,r,e)&&T(u,r,t))){!function(e,t){var i=Math.abs(e[0]);i>Math.abs(e[1])&&i>Math.abs(e[2])?re.cross3Vec3(e,[0,1,0],t):re.cross3Vec3(e,[1,0,0],t),re.cross3Vec3(t,e,t),re.normalizeVec3(t)}(r,o),T(l,o,e,1),T(u,o,t,1);var A=re.dotVec3(e,r);e[0]-=A*r[0],e[1]-=A*r[1],e[2]-=A*r[2],A=re.dotVec3(t,r),t[0]-=A*r[0],t[1]-=A*r[1],t[2]-=A*r[2]}re.normalizeVec3(e),re.normalizeVec3(t),A=re.dotVec3(e,t),A=re.clamp(A,-1,1);var h=Math.acos(A)*re.RADTODEG;re.cross3Vec3(e,t,i),re.dotVec3(i,r)<0&&(h=-h),f.rotate(a,h),D._sectionPlane&&(re.quaternionToMat4(f.quaternion,n),re.transformVec3(n,[0,0,1],s),c=!0,D._sectionPlane.dir=s)}}(),T=function(){var e=re.vec4([0,0,0,1]),t=re.mat4();return function(i,r,n,o){o=o||0,e[0]=i[0]/a.width*2-1,e[1]=-(i[1]/a.height*2-1),e[2]=0,e[3]=1,re.mulMat4(s.projMatrix,s.viewMatrix,t),re.inverseMat4(t),re.transformVec4(t,e,e),re.mulVec4Scalar(e,1/e[3]);var l=s.eye;re.subVec4(e,l,e);var u=D._sectionPlane.pos,c=-re.dotVec3(u,r)-o,A=re.dotVec3(r,e);if(Math.abs(A)>.005){var h=-(re.dotVec3(r,l)+c)/A;return re.mulVec3Scalar(e,h,n),re.addVec3(n,l),re.subVec3(n,u,n),!0}return!1}}(),R=null,L=null;M.push((function(){L&&L.cleanup()}));var U=re.vec2(),O=function(e,t){t[0]=e.clientX,t[1]=e.clientY,wt(a.ownerDocument.documentElement,a,t)},N=function(e){O(e,U);var t=r.scene.pick({canvasPos:U}),i=t&&t.entity,s=i&&i.id;return s in x&&x[s]},Q=function(e,t){var i=N(t(e));if(i){L&&L.cleanup();var r=i.initDragAction(U);r&&(n.pointerEnabled=!1,i.setActivated(!0),L={onChange:function(e){var i=t(e);i&&(O(i,U),r(U))},cleanup:function(){L=null,n.pointerEnabled=!0,i.setActivated(!1)}})}},V=function(e,t){a.addEventListener(e,t),M.push((function(){return a.removeEventListener(e,t)}))};V("mousedown",(function(e){e.preventDefault(),1===e.which&&Q(e,(function(e){return 1===e.which&&e}))})),V("mousemove",(function(e){if(L)L.onChange(e);else{R&&R();var t=N(e);t?(t.setActivated(!0),R=function(){return t.setActivated(!1)}):R=null}})),V("mouseup",(function(e){L&&(L.onChange(e),L.cleanup())})),V("touchstart",(function(e){if(e.preventDefault(),1===e.touches.length){var t=e.touches[0].identifier;Q(e,(function(e){return A(e.changedTouches).find((function(e){return e.identifier===t}))}))}})),V("touchmove",(function(e){e.preventDefault(),L&&L.onChange(e)})),V("touchend",(function(e){e.preventDefault(),L&&(L.onChange(e),L.cleanup())})),this._unbindSectionPlane=function(){},this.__setSectionPlane=function(e){i.id=e.id,i._sectionPlane=e;var t=function(){return g(e.pos)},r=function(){return f.quaternion=re.vec3PairToQuaternion(mF,e.dir,_F)};t(),r();var s=e.on("pos",t),n=e.on("dir",(function(){c?c=!1:r()}));i._unbindSectionPlane=function(){i.id=null,i._sectionPlane=null,e.off(s),e.off(n),i._unbindSectionPlane=function(){}}},this.__destroy=function(){for(var e in M.forEach((function(e){return e()})),i._unbindSectionPlane(),f.destroy(),i._displayMeshes=[],x)delete x[e]}}return C(e,[{key:"_destroy",value:function(){this.__destroy()}},{key:"_setSectionPlane",value:function(e){this._unbindSectionPlane(),e&&this.__setSectionPlane(e)}},{key:"sectionPlane",get:function(){return this._sectionPlane}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible!==e&&(this._visible=e,this._displayMeshes.forEach((function(t){return t.visible=e})))}},{key:"getVisible",value:function(){return this._visible}},{key:"setCulled",value:function(e){this._displayMeshes.forEach((function(t){return t.culled=e}))}}]),e}(),bF=function(){function e(t,i,r){var s=this;P(this,e),this.id=r.id,this._sectionPlane=r,this._mesh=new Un(i,{id:r.id,geometry:new hr(i,dr({xSize:.5,ySize:.5,zSize:.001})),material:new gr(i,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new br(i,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new _r(i,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new _r(i,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});var n=re.vec3([0,0,0]),o=re.vec3(),a=re.vec3([0,0,1]),l=re.vec4(4),u=re.vec3(),c=function(){var e=s._sectionPlane.scene.center,t=[-s._sectionPlane.dir[0],-s._sectionPlane.dir[1],-s._sectionPlane.dir[2]];re.subVec3(e,s._sectionPlane.pos,n);var i=-re.dotVec3(t,n);re.normalizeVec3(t),re.mulVec3Scalar(t,i,o);var r=re.vec3PairToQuaternion(a,s._sectionPlane.dir,l);u[0]=.1*o[0],u[1]=.1*o[1],u[2]=.1*o[2],s._mesh.quaternion=r,s._mesh.position=u};this._onSectionPlanePos=this._sectionPlane.on("pos",c),this._onSectionPlaneDir=this._sectionPlane.on("dir",c),this._highlighted=!1,this._selected=!1}return C(e,[{key:"setHighlighted",value:function(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}},{key:"getHighlighted",value:function(){return this._highlighted}},{key:"setSelected",value:function(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}},{key:"getSelected",value:function(){return this._selected}},{key:"destroy",value:function(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}]),e}(),BF=function(){function e(t,i){var r=this;if(P(this,e),!(i.onHoverEnterPlane&&i.onHoverLeavePlane&&i.onClickedNothing&&i.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=t,this._viewer=t.viewer,this._onHoverEnterPlane=i.onHoverEnterPlane,this._onHoverLeavePlane=i.onHoverLeavePlane,this._onClickedNothing=i.onClickedNothing,this._onClickedPlane=i.onClickedPlane,this._visible=!0,this._planes={},this._canvas=i.overviewCanvas,this._scene=new Ir(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new $i(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new $i(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new $i(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;var s=this._scene.camera,n=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),o=re.vec3(),a=re.vec3(),l=re.vec3();this._synchCamera=function(){var e=r._viewer.camera.eye,t=r._viewer.camera.look,i=r._viewer.camera.up;re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,o)),7),r._zUp?(re.transformVec3(n,o,a),re.transformVec3(n,i,l),s.look=[0,0,0],s.eye=re.transformVec3(n,o,a),s.up=re.transformPoint3(n,i,l)):(s.look=[0,0,0],s.eye=o,s.up=i)},this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(function(e){r._scene.camera.perspective.fov=e}));var u=null;this._onInputMouseMove=this._scene.input.on("mousemove",(function(e){var t=r._scene.pick({canvasPos:e});if(t){if(!u||t.entity.id!==u.id){if(u)r._planes[u.id]&&r._onHoverLeavePlane(u.id);u=t.entity,r._planes[u.id]&&r._onHoverEnterPlane(u.id)}}else u&&(r._onHoverLeavePlane(u.id),u=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=function(){u?r._planes[u.id]&&r._onClickedPlane(u.id):r._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=function(){u&&(r._onHoverLeavePlane(u.id),u=null)}),this.setVisible(i.overviewVisible)}return C(e,[{key:"addSectionPlane",value:function(e){this._planes[e.id]=new bF(this,this._scene,e)}},{key:"setPlaneHighlighted",value:function(e,t){var i=this._planes[e];i&&i.setHighlighted(t)}},{key:"setPlaneSelected",value:function(e,t){var i=this._planes[e];i&&i.setSelected(t)}},{key:"removeSectionPlane",value:function(e){var t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}},{key:"getVisible",value:function(){return this._visible}},{key:"destroy",value:function(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}]),e}(),wF=re.AABB3(),PF=re.vec3(),xF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,"SectionPlanes",e))._freeControls=[],r._sectionPlanes=e.scene.sectionPlanes,r._controls={},r._shownControlId=null,null!==s.overviewCanvasId&&void 0!==s.overviewCanvasId){var n=document.getElementById(s.overviewCanvasId);n?r._overview=new BF(b(r),{overviewCanvas:n,visible:s.overviewVisible,onHoverEnterPlane:function(e){r._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:function(e){r._overview.setPlaneHighlighted(e,!1)},onClickedPlane:function(e){if(r.getShownControl()!==e){r.showControl(e);var t=r.sectionPlanes[e].pos;wF.set(r.viewer.scene.aabb),re.getAABB3Center(wF,PF),wF[0]+=t[0]-PF[0],wF[1]+=t[1]-PF[1],wF[2]+=t[2]-PF[2],wF[3]+=t[0]-PF[0],wF[4]+=t[1]-PF[1],wF[5]+=t[2]-PF[2],r.viewer.cameraFlight.flyTo({aabb:wF,fitFOV:65})}else r.hideControl()},onClickedNothing:function(){r.hideControl()}}):r.warn("Can't find overview canvas: '"+s.overviewCanvasId+"' - will create plugin without overview")}return r._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(function(e){r._sectionPlaneCreated(e)})),r}return C(i,[{key:"setOverviewVisible",value:function(e){this._overview&&this._overview.setVisible(e)}},{key:"getOverviewVisible",value:function(){if(this._overview)return this._overview.getVisible()}},{key:"sectionPlanes",get:function(){return this._sectionPlanes}},{key:"createSectionPlane",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=new Gn(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0});return t}},{key:"_sectionPlaneCreated",value:function(e){var t=this,i=this._freeControls.length>0?this._freeControls.pop():new yF(this);i._setSectionPlane(e),i.setVisible(!1),this._controls[e.id]=i,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(function(){t._sectionPlaneDestroyed(e)}))}},{key:"flipSectionPlanes",value:function(){var e=this.viewer.scene.sectionPlanes;for(var t in e){e[t].flipDir()}}},{key:"showControl",value:function(e){var t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}},{key:"getShownControl",value:function(){return this._shownControlId}},{key:"hideControl",value:function(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}},{key:"destroySectionPlane",value:function(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}},{key:"_sectionPlaneDestroyed",value:function(e){this._overview&&this._overview.removeSectionPlane(e);var t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}},{key:"clear",value:function(){for(var e=Object.keys(this._sectionPlanes),t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}},{key:"send",value:function(e,t){switch(e){case"snapshotStarting":for(var i in this._controls)this._controls.hasOwnProperty(i)&&this._controls[i].setCulled(!0);break;case"snapshotFinished":for(var r in this._controls)this._controls.hasOwnProperty(r)&&this._controls[r].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}},{key:"destroy",value:function(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),f(B(i.prototype),"destroy",this).call(this)}},{key:"_destroyFreeControls",value:function(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}]),i}(),CF=C((function e(t,i,r,s,n,o){P(this,e),this.plugin=t,this.storeyId=n,this.modelId=s,this.storeyAABB=r.slice(),this.aabb=this.storeyAABB,this.modelAABB=i.slice(),this.numObjects=o})),MF=C((function e(t,i,r,s,n,o){P(this,e),this.storeyId=t,this.imageData=i,this.format=r,this.width=s,this.height=n})),EF=re.vec3(),FF=re.mat4(),kF="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==",IF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"StoreyViews",e))._objectsMemento=new ap,r._cameraMemento=new rp,r.storeys={},r._storeysList=null,r.modelStoreys={},r._fitStoreyMaps=!!s.fitStoreyMaps,r._onModelLoaded=r.viewer.scene.on("modelLoaded",(function(e){r._registerModelStoreys(e),r.fire("storeys",r.storeys)})),r}return C(i,[{key:"_registerModelStoreys",value:function(e){var t=this,i=this.viewer,r=i.scene,s=i.metaScene,n=s.metaModels[e],o=r.models[e];if(n&&n.rootMetaObjects){for(var a=n.rootMetaObjects,l=0,u=a.length;l<u;l++)for(var c=a[l].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]),A=0,h=c.length;A<h;A++){var d=c[A],p=s.metaObjects[d].getObjectIDsInSubtree(),f=r.getAABB(p),v=Math.random()>.5?p.length:0,g=new CF(this,o.aabb,f,e,d,v);g._onModelDestroyed=o.once("destroyed",(function(){t._deregisterModelStoreys(e),t.fire("storeys",t.storeys)})),this.storeys[d]=g,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][d]=g}this._clipBoundingBoxes()}}},{key:"_clipBoundingBoxes",value:function(){var e,t=this.storeysList,i=this.viewer.metaScene,r=this.viewer.camera.worldUp,s=r[0]>r[1]&&r[0]>r[2],n=!s&&r[1]>r[0]&&r[1]>r[2];!s&&!n&&r[2]>r[0]&&(r[2],r[1]),e=s?0:n?1:2;for(var o=0,a=t.length;o<a;o++){var l=i.metaObjects[t[o].storeyId].attributes.elevation;if(isNaN(l))return;var u=t[o].storeyAABB;if(u[e]=Math.max(u[1],parseFloat(l)),o>0){var c=i.metaObjects[t[o-1].storeyId].attributes.elevation;u[4]=Math.min(u[e+3],parseFloat(c))}this.storeys[t[o].storeyId].storeyAABB=u}}},{key:"_deregisterModelStoreys",value:function(e){var t=this.modelStoreys[e];if(t){var i=this.viewer.scene;for(var r in t)if(t.hasOwnProperty(r)){var s=t[r],n=i.models[s.modelId];n&&n.off(s._onModelDestroyed),delete this.storeys[r],this._storeysList=null}delete this.modelStoreys[e]}}},{key:"fitStoreyMaps",get:function(){return this._fitStoreyMaps}},{key:"gotoStoreyCamera",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());var r=this.viewer,s=r.scene,n=s.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])t.done&&t.done();else if(o[3]!==o[0]||o[4]!==o[1]||o[5]!==o[2]){var a=re.getAABB3Center(o),l=re.getAABB3Diag(o),u=45,c=Math.abs(l/Math.tan(u*re.DEGTORAD)),A=1.3*l,h=EF;h[0]=a[0]+n.worldUp[0]*c,h[1]=a[1]+n.worldUp[1]*c,h[2]=a[2]+n.worldUp[2]*c;var d=n.worldForward;t.done?r.cameraFlight.flyTo(he.apply(t,{eye:h,look:a,up:d,orthoScale:A}),(function(){t.done()})):(r.cameraFlight.jumpTo(he.apply(t,{eye:h,look:a,up:d,orthoScale:A})),r.camera.ortho.scale=A)}else t.done&&t.done()}},{key:"showStoreyObjects",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(i){var r=this.viewer,s=r.scene,n=r.metaScene,o=n.metaObjects[e];o&&(t.hideOthers&&s.setObjectsVisible(r.scene.visibleObjectIds,!1),this.withStoreyObjects(e,(function(e,t){e&&(e.visible=!0)})))}else this.error("IfcBuildingStorey not found with this ID: "+e)}},{key:"withStoreyObjects",value:function(e,t){var i=this.viewer,r=i.scene,s=i.metaScene,n=s.metaObjects[e];if(n)for(var o=n.getObjectIDsInSubtree(),a=0,l=o.length;a<l;a++){var u=o[a],c=s.metaObjects[u],A=r.objects[u];A&&t(A,c)}}},{key:"createStoreyMap",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),kF;var r,s,n=this.viewer,o=n.scene,a=t.format||"png",l=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,u=Math.abs((l[5]-l[2])/(l[3]-l[0])),c=t.padding||0,A=!!t.captureSectionPlanes;t.width&&t.height?(r=t.width,s=t.height):t.height?(s=t.height,r=Math.round(s/u)):t.width?(r=t.width,s=Math.round(r*u)):(r=300,s=Math.round(r*u));var h={visible:!0};this._objectsMemento.saveObjects(o,h),this._cameraMemento.saveCamera(o),this.showStoreyObjects(e,he.apply(t,{hideOthers:!0})),A&&this._toggleSectionPlanes(!1),this._arrangeStoreyMapCamera(i);var d=n.getSnapshot({width:r,height:s,format:a});return this._objectsMemento.restoreObjects(o,h),this._cameraMemento.restoreCamera(o),A&&this._toggleSectionPlanes(!0),new MF(e,d,a,r,s,c)}},{key:"_toggleSectionPlanes",value:function(e){var t=this.viewer.scene.sectionPlanes;for(var i in t)t[i].active=e}},{key:"_arrangeStoreyMapCamera",value:function(e){var t=this.viewer,i=t.scene.camera,r=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,s=re.getAABB3Center(r),n=EF;n[0]=s[0]+.5*i.worldUp[0],n[1]=s[1]+.5*i.worldUp[1],n[2]=s[2]+.5*i.worldUp[2];var o=i.worldForward;t.cameraFlight.jumpTo({eye:n,look:s,up:o});var a=(r[3]-r[0])/2,l=(r[4]-r[1])/2,u=(r[5]-r[2])/2,c=-a,A=+a,h=-l,d=+l,p=-u,f=+u;t.camera.customProjection.matrix=re.orthoMat4c(c,A,p,f,h,d,FF),t.camera.projection="customProjection"}},{key:"pickStoreyMap",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=e.storeyId,s=this.storeys[r];if(!s)return this.error("IfcBuildingStorey not found with this ID: "+r),null;var n=1-t[0]/e.width,o=1-t[1]/e.height,a=this._fitStoreyMaps?s.storeyAABB:s.modelAABB,l=a[0],u=a[1],c=a[2],A=a[3],h=a[4],d=a[5],p=A-l,f=h-u,v=d-c,g=re.vec3([l+p*n,u+.5*f,c+v*o]),m=re.vec3([0,-1,0]),_=re.addVec3(g,m,EF),y=this.viewer.camera.worldForward,b=re.lookAtMat4v(g,_,y,FF),B=this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:b});return B}},{key:"storeyMapToWorldPos",value:function(e,t){var i=e.storeyId,r=this.storeys[i];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+i),null;var s=1-t[0]/e.width,n=1-t[1]/e.height,o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,a=o[0],l=o[1],u=o[2],c=o[3],A=o[4],h=o[5],d=c-a,p=A-l,f=h-u,v=re.vec3([a+d*s,l+.5*p,u+f*n]);return v}},{key:"getStoreyContainingWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys;for(var r in i){var s=i[r];if(re.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return r}return null}},{key:"getStoreyInVerticalRange",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys;for(var r in i){var s=i[r],n=[0,0,0,0,0,0],o=[0,0,0];if(n[1]=s.storeyAABB[1],n[4]=s.storeyAABB[4],o[1]=e[1],re.point3AABB3AbsoluteIntersect(n,o))return r}return null}},{key:"isPositionAboveOrBelowBuilding",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys,r=Object.keys(i);if(r.length<=0)return null;var s=[r[0],r[r.length-1]];return e[1]<i[s[0]].storeyAABB[1]?s[0]:e[1]>i[s[1]].storeyAABB[4]?s[1]:null}},{key:"worldPosToStoreyMap",value:function(e,t,i){var r=e.storeyId,s=this.storeys[r];if(!s)return this.error("IfcBuildingStorey not found with this ID: "+r),!1;var n=this._fitStoreyMaps?s.storeyAABB:s.modelAABB,o=n[0],a=n[1],l=n[2],u=n[3]-o,c=n[4]-a,A=n[5]-l,h=this.viewer.camera.worldUp,d=h[0]>h[1]&&h[0]>h[2],p=!d&&h[1]>h[0]&&h[1]>h[2];!d&&!p&&h[2]>h[0]&&(h[2],h[1]);var f=e.width/u,v=p?e.height/A:e.height/c;return i[0]=Math.floor(e.width-(t[0]-o)*f),i[1]=Math.floor(e.height-(t[2]-l)*v),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}},{key:"worldDirToStoreyMap",value:function(e,t,i){var r=this.viewer.camera,s=r.eye,n=r.look,o=re.subVec3(n,s,EF),a=r.worldUp,l=a[0]>a[1]&&a[0]>a[2],u=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!u&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=o[1],i[1]=o[2]):u?(i[0]=o[0],i[1]=o[2]):(i[0]=o[0],i[1]=o[1]),re.normalizeVec2(i)}},{key:"destroy",value:function(){this.viewer.scene.off(this._onModelLoaded),f(B(i.prototype),"destroy",this).call(this)}},{key:"storeysList",get:function(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}},{key:"_getSpatialSortFunc",value:function(){var e=this,t=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(i,r){var s=0;s=t.xUp?0:t.yUp?1:2;var n=e.viewer.metaScene,o=n.metaObjects[i.storeyId],a=n.metaObjects[r.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&a&&a.attributes&&void 0!==a.attributes.elevation){var l=Number.parseFloat(o.attributes.elevation),u=Number.parseFloat(a.attributes.elevation);return l>u?-1:l<u?1:0}return i.aabb[s]>r.aabb[s]?-1:i.aabb[s]<r.aabb[s]?1:0})}},{key:"_filterStoreys",value:function(e){return Object.fromEntries(Object.entries(this.storeys).filter((function(t){var i=c(t,2);i[0];return i[1].modelId===e})))}}]),i}(),DF=new Float64Array([0,0,1]),SF=new Float64Array(4),TF=function(){function e(t){P(this,e),this.id=null,this._viewer=t.viewer,this._plugin=t,this._visible=!1,this._pos=re.vec3(),this._origin=re.vec3(),this._rtcPos=re.vec3(),this._baseDir=re.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}return C(e,[{key:"_setSectionPlane",value:function(e){var t=this;this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(function(){t._setPos(t._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(function(){t._ignoreNextSectionPlaneDirUpdate?t._ignoreNextSectionPlaneDirUpdate=!1:t._setDir(t._sectionPlane.dir)})))}},{key:"sectionPlane",get:function(){return this._sectionPlane}},{key:"_setPos",value:function(e){this._pos.set(e),Ke(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}},{key:"_setDir",value:function(e){this._baseDir.set(e),this._rootNode.quaternion=re.vec3PairToQuaternion(DF,e,SF)}},{key:"_setSectionPlaneDir",value:function(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}},{key:"getVisible",value:function(){return this._visible}},{key:"setCulled",value:function(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}},{key:"_createNodes",value:function(){var e=!1,t=this._viewer.scene,i=.01;this._rootNode=new eo(t,{position:[0,0,0],scale:[5,5,5]});var r=this._rootNode,s={arrowHead:new hr(r,Nn({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new hr(r,Nn({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new hr(r,Nn({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},n={red:new gr(r,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new gr(r,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new gr(r,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new _r(r,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:r.addChild(new Un(r,{geometry:new hr(r,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new gr(r,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:r.addChild(new Un(r,{geometry:new hr(r,Fo({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new gr(r,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:r.addChild(new Un(r,{geometry:new hr(r,Qn({radius:.05})),material:n.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:r.addChild(new Un(r,{geometry:s.arrowHead,material:n.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:r.addChild(new Un(r,{geometry:s.axis,material:n.blue,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:r.addChild(new Un(r,{geometry:new hr(r,Fo({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new gr(r,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new _r(r,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:r.addChild(new Un(r,{geometry:s.arrowHeadBig,material:n.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}},{key:"_bindEvents",value:function(){var e=this,t=this._rootNode,i=re.vec2(),r=this._viewer.camera,s=this._viewer.scene,n=0,o=!1,a=re.vec3([0,0,0]),l=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(function(){})),this._onCameraProjMatrix=s.camera.on("projMatrix",(function(){})),this._onSceneTick=s.on("tick",(function(){o=!1;var i=Math.abs(re.lenVec3(re.subVec3(s.camera.eye,e._pos,a)));if(i!==l&&"perspective"===r.projection){var u=.07*(Math.tan(r.perspective.fov*re.DEGTORAD)*i);t.scale=[u,u,u],l=i}if("ortho"===r.projection){var A=r.ortho.scale/10;t.scale=[A,A,A],l=i}0!==n&&(c(n),n=0)}));var u=function(){var e=new Float64Array(2);return function(t){if(t){for(var i=t.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-r,e[1]=t.pageY-s}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),c=function(t){var i=e._sectionPlane.pos,r=e._sectionPlane.dir;re.addVec3(i,re.mulVec3Scalar(r,.1*t*e._plugin.getDragSensitivity(),re.vec3())),e._sectionPlane.pos=i},A=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=function(t){if(t.preventDefault(),e._visible&&(e._viewer.cameraControl.pointerEnabled=!1,1===t.which)){A=!0;var r=u(t);i[0]=r[0],i[1]=r[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=function(t){if(e._visible&&A&&!o){var r=u(t),s=r[0],n=r[1];c(n-i[1]),i[0]=s,i[1]=n}}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=function(t){e._visible&&(e._viewer.cameraControl.pointerEnabled=!0,A&&(t.which,A=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=function(t){e._visible&&(n+=Math.max(-1,Math.min(1,40*-t.deltaY)))});var h,d,p=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(h=t.touches[0].clientY,p=h,n=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(o||(o=!0,d=t.touches[0].clientY,null!==p&&(n+=d-p),p=d))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(h=null,d=null,n=0)})}},{key:"_destroy",value:function(){this._unbindEvents(),this._destroyNodes()}},{key:"_unbindEvents",value:function(){var e=this._viewer,t=e.scene,i=t.canvas.canvas,r=e.camera,s=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),s.removeEventListener("touchstart",this._handleTouchStart),s.removeEventListener("touchmove",this._handleTouchMove),s.removeEventListener("touchend",this._handleTouchEnd),r.off(this._onCameraViewMatrix),r.off(this._onCameraProjMatrix)}},{key:"_destroyNodes",value:function(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}]),e}(),RF=function(){function e(t,i,r){var s=this;P(this,e),this.id=r.id,this._sectionPlane=r,this._mesh=new Un(i,{id:r.id,geometry:new hr(i,dr({xSize:.5,ySize:.5,zSize:.001})),material:new gr(i,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new br(i,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new _r(i,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new _r(i,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});var n=re.vec3([0,0,0]),o=re.vec3(),a=re.vec3([0,0,1]),l=re.vec4(4),u=re.vec3(),c=function(){var e=s._sectionPlane.scene.center,t=[-s._sectionPlane.dir[0],-s._sectionPlane.dir[1],-s._sectionPlane.dir[2]];re.subVec3(e,s._sectionPlane.pos,n);var i=-re.dotVec3(t,n);re.normalizeVec3(t),re.mulVec3Scalar(t,i,o);var r=re.vec3PairToQuaternion(a,s._sectionPlane.dir,l);u[0]=.1*o[0],u[1]=.1*o[1],u[2]=.1*o[2],s._mesh.quaternion=r,s._mesh.position=u};this._onSectionPlanePos=this._sectionPlane.on("pos",c),this._onSectionPlaneDir=this._sectionPlane.on("dir",c),this._highlighted=!1,this._selected=!1}return C(e,[{key:"setHighlighted",value:function(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}},{key:"getHighlighted",value:function(){return this._highlighted}},{key:"setSelected",value:function(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}},{key:"getSelected",value:function(){return this._selected}},{key:"destroy",value:function(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}]),e}(),LF=function(){function e(t,i){var r=this;if(P(this,e),!(i.onHoverEnterPlane&&i.onHoverLeavePlane&&i.onClickedNothing&&i.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=t,this._viewer=t.viewer,this._onHoverEnterPlane=i.onHoverEnterPlane,this._onHoverLeavePlane=i.onHoverLeavePlane,this._onClickedNothing=i.onClickedNothing,this._onClickedPlane=i.onClickedPlane,this._visible=!0,this._planes={},this._canvas=i.overviewCanvas,this._scene=new Ir(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new $i(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new $i(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new $i(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;var s=this._scene.camera,n=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),o=re.vec3(),a=re.vec3(),l=re.vec3();this._synchCamera=function(){var e=r._viewer.camera.eye,t=r._viewer.camera.look,i=r._viewer.camera.up;re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,o)),7),r._zUp?(re.transformVec3(n,o,a),re.transformVec3(n,i,l),s.look=[0,0,0],s.eye=re.transformVec3(n,o,a),s.up=re.transformPoint3(n,i,l)):(s.look=[0,0,0],s.eye=o,s.up=i)},this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(function(e){r._scene.camera.perspective.fov=e}));var u=null;this._onInputMouseMove=this._scene.input.on("mousemove",(function(e){var t=r._scene.pick({canvasPos:e});if(t){if(!u||t.entity.id!==u.id){if(u)r._planes[u.id]&&r._onHoverLeavePlane(u.id);u=t.entity,r._planes[u.id]&&r._onHoverEnterPlane(u.id)}}else u&&(r._onHoverLeavePlane(u.id),u=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=function(){u?r._planes[u.id]&&r._onClickedPlane(u.id):r._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=function(){u&&(r._onHoverLeavePlane(u.id),u=null)}),this.setVisible(i.overviewVisible)}return C(e,[{key:"addSectionPlane",value:function(e){this._planes[e.id]=new RF(this,this._scene,e)}},{key:"setPlaneHighlighted",value:function(e,t){var i=this._planes[e];i&&i.setHighlighted(t)}},{key:"setPlaneSelected",value:function(e,t){var i=this._planes[e];i&&i.setSelected(t)}},{key:"removeSectionPlane",value:function(e){var t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}},{key:"getVisible",value:function(){return this._visible}},{key:"destroy",value:function(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}]),e}(),UF=re.AABB3(),OF=re.vec3(),NF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,"FaceAlignedSectionPlanesPlugin",e))._freeControls=[],r._sectionPlanes=e.scene.sectionPlanes,r._controls={},r._shownControlId=null,r._dragSensitivity=s.dragSensitivity||1,null!==s.overviewCanvasId&&void 0!==s.overviewCanvasId){var n=document.getElementById(s.overviewCanvasId);n?r._overview=new LF(b(r),{overviewCanvas:n,visible:s.overviewVisible,onHoverEnterPlane:function(e){r._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:function(e){r._overview.setPlaneHighlighted(e,!1)},onClickedPlane:function(e){if(r.getShownControl()!==e){r.showControl(e);var t=r.sectionPlanes[e].pos;UF.set(r.viewer.scene.aabb),re.getAABB3Center(UF,OF),UF[0]+=t[0]-OF[0],UF[1]+=t[1]-OF[1],UF[2]+=t[2]-OF[2],UF[3]+=t[0]-OF[0],UF[4]+=t[1]-OF[1],UF[5]+=t[2]-OF[2],r.viewer.cameraFlight.flyTo({aabb:UF,fitFOV:65})}else r.hideControl()},onClickedNothing:function(){r.hideControl()}}):r.warn("Can't find overview canvas: '"+s.overviewCanvasId+"' - will create plugin without overview")}return null===s.controlElementId||void 0===s.controlElementId?r.error("Parameter expected: controlElementId"):(r._controlElement=document.getElementById(s.controlElementId),r._controlElement||r.warn("Can't find control element: '"+s.controlElementId+"' - will create plugin without control element")),r._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(function(e){r._sectionPlaneCreated(e)})),r}return C(i,[{key:"setDragSensitivity",value:function(e){this._dragSensitivity=e||1}},{key:"getDragSensitivity",value:function(){return this._dragSensitivity}},{key:"setOverviewVisible",value:function(e){this._overview&&this._overview.setVisible(e)}},{key:"getOverviewVisible",value:function(){if(this._overview)return this._overview.getVisible()}},{key:"sectionPlanes",get:function(){return this._sectionPlanes}},{key:"createSectionPlane",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=new Gn(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0});return t}},{key:"_sectionPlaneCreated",value:function(e){var t=this,i=this._freeControls.length>0?this._freeControls.pop():new TF(this);i._setSectionPlane(e),i.setVisible(!1),this._controls[e.id]=i,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(function(){t._sectionPlaneDestroyed(e)}))}},{key:"flipSectionPlanes",value:function(){var e=this.viewer.scene.sectionPlanes;for(var t in e){e[t].flipDir()}}},{key:"showControl",value:function(e){var t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}},{key:"getShownControl",value:function(){return this._shownControlId}},{key:"hideControl",value:function(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}},{key:"destroySectionPlane",value:function(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}},{key:"_sectionPlaneDestroyed",value:function(e){this._overview&&this._overview.removeSectionPlane(e);var t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}},{key:"clear",value:function(){for(var e=Object.keys(this._sectionPlanes),t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}},{key:"send",value:function(e,t){switch(e){case"snapshotStarting":for(var i in this._controls)this._controls.hasOwnProperty(i)&&this._controls[i].setCulled(!0);break;case"snapshotFinished":for(var r in this._controls)this._controls.hasOwnProperty(r)&&this._controls[r].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}},{key:"destroy",value:function(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),f(B(i.prototype),"destroy",this).call(this)}},{key:"_destroyFreeControls",value:function(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}]),i}(),QF=function(e){g(i,Ue);var t=_(i);function i(e){var r;return P(this,i),(r=t.call(this,"skyboxes",e)).skyboxes={},r}return C(i,[{key:"send",value:function(e,t){if("clear"===e)this.clear()}},{key:"createSkybox",value:function(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new hp(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}},{key:"destroySkybox",value:function(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}},{key:"destroy",value:function(){this.clear(),f(B(i.prototype),"clear",this).call(this)}}]),i}(),VF=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getSTL",value:function(e,t,i){e=this._cacheBusterURL(e);var r=new XMLHttpRequest;r.overrideMimeType("application/json"),r.open("GET",e,!0),r.responseType="arraybuffer",r.onreadystatechange=function(){4===r.readyState&&(200===r.status?t(r.response):i(r.statusText))},r.send(null)}}]),e}(),HF=re.vec3(),jF=function(){function e(){P(this,e)}return C(e,[{key:"load",value:function(e,t,i,r,s,n){r=r||{};var o=e.viewer.scene.canvas.spinner;o.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,r){try{var s=JF(i);GF(s)?zF(e,s,t,r):KF(e,XF(i),t,r)}catch(e){t.fire("error",e)}}(e,t,i,r);try{var a=JF(i);GF(a)?zF(e,a,t,r):KF(e,XF(i),t,r),o.processes--,we.scheduleTask((function(){t.fire("loaded",!0,!1)})),s&&s()}catch(i){o.processes--,e.error(i),n&&n(i),t.fire("error",i)}}),(function(i){o.processes--,e.error(i),n&&n(i),t.fire("error",i)}))}},{key:"parse",value:function(e,t,i,r){var s=e.viewer.scene.canvas.spinner;s.processes++;try{var n=JF(i);GF(n)?zF(e,n,t,r):KF(e,XF(i),t,r),s.processes--,we.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){s.processes--,t.fire("error",e)}}}]),e}();function GF(e){var t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;for(var i=[115,111,108,105,100],r=0;r<5;r++)if(i[r]!==t.getUint8(r,!1))return!0;return!1}function zF(e,t,i,r){for(var s,n,o,a,l,u,c,A=new DataView(t),h=A.getUint32(80,!0),d=!1,p=null,f=null,v=null,g=!1,m=0;m<70;m++)1129270351===A.getUint32(m,!1)&&82===A.getUint8(m+4)&&61===A.getUint8(m+5)&&(d=!0,a=[],l=A.getUint8(m+6)/255,u=A.getUint8(m+7)/255,c=A.getUint8(m+8)/255,A.getUint8(m+9));for(var _=new so(i,{roughness:.5}),y=[],b=[],B=r.splitMeshes,w=0;w<h;w++){var P=84+50*w,x=A.getFloat32(P,!0),C=A.getFloat32(P+4,!0),M=A.getFloat32(P+8,!0);if(d){var E=A.getUint16(P+48,!0);0==(32768&E)?(s=(31&E)/31,n=(E>>5&31)/31,o=(E>>10&31)/31):(s=l,n=u,o=c),(B&&s!==p||n!==f||o!==v)&&(null!==p&&(g=!0),p=s,f=n,v=o)}for(var F=1;F<=3;F++){var k=P+12*F;y.push(A.getFloat32(k,!0)),y.push(A.getFloat32(k+4,!0)),y.push(A.getFloat32(k+8,!0)),b.push(x,C,M),d&&a.push(s,n,o,1)}B&&g&&(WF(i,y,b,a,_,r),y=[],b=[],a=a?[]:null,g=!1)}y.length>0&&WF(i,y,b,a,_,r)}function KF(e,t,i,r){for(var s,n,o,a,l,u,c,A=/facet([\s\S]*?)endfacet/g,h=0,d=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,p=new RegExp("vertex"+d+d+d,"g"),f=new RegExp("normal"+d+d+d,"g"),v=[],g=[];null!==(a=A.exec(t));){for(l=0,u=0,c=a[0];null!==(a=f.exec(c));)s=parseFloat(a[1]),n=parseFloat(a[2]),o=parseFloat(a[3]),u++;for(;null!==(a=p.exec(c));)v.push(parseFloat(a[1]),parseFloat(a[2]),parseFloat(a[3])),g.push(s,n,o),l++;1!==u&&e.error("Error in normal of face "+h),3!==l&&e.error("Error in positions of face "+h),h++}WF(i,v,g,null,new so(i,{roughness:.5}),r)}function WF(e,t,i,r,s,n){for(var o=new Int32Array(t.length/3),a=0,l=o.length;a<l;a++)o[a]=a;i=i&&i.length>0?i:null,r=r&&r.length>0?r:null,n.smoothNormals&&re.faceToVertexNormals(t,i,n);var u=HF;We(t,t,u);var c=new hr(e,{primitive:"triangles",positions:t,normals:i,colors:r,indices:o}),A=new Un(e,{origin:0!==u[0]||0!==u[1]||0!==u[2]?u:null,geometry:c,material:s,edges:n.edges});e.addChild(A)}function XF(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);for(var t="",i=0,r=e.length;i<r;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function JF(e){if("string"==typeof e){for(var t=new Uint8Array(e.length),i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}var YF=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"STLLoader",e,s))._sceneGraphLoader=new jF,r.dataSource=s.dataSource,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new VF}},{key:"load",value:function(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new eo(this.viewer.scene,he.apply(e,{isModel:!0})),i=e.src,r=e.stl;return i||r?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,r,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}}]),i}(),ZF=function(){function e(){P(this,e)}return C(e,[{key:"createRootNode",value:function(){return document.createElement("ul")}},{key:"createNodeElement",value:function(e,t,i,r,s){var n=document.createElement("li");if(n.id=e.nodeId,e.xrayed&&n.classList.add("xrayed-node"),e.children.length>0){var o=document.createElement("a");o.href="#",o.id="switch-".concat(e.nodeId),o.textContent="+",o.classList.add("plus"),t&&o.addEventListener("click",t),n.appendChild(o)}var a=document.createElement("input");a.id="checkbox-".concat(e.nodeId),a.type="checkbox",a.checked=e.checked,a.style["pointer-events"]="all",i&&a.addEventListener("change",i),n.appendChild(a);var l=document.createElement("span");return l.textContent=e.title,n.appendChild(l),r&&Ne(l,r),s&&(l.onclick=s),n}},{key:"createDisabledNodeElement",value:function(e){var t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);var r=document.createElement("span");return r.textContent=e,t.appendChild(r),t}},{key:"addChildren",value:function(e,t){var i=document.createElement("ul");t.forEach((function(e){i.appendChild(e)})),e.parentElement.appendChild(i)}},{key:"expand",value:function(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}},{key:"collapse",value:function(e,t,i){if(e){var r=e.parentElement;if(r){var s=r.querySelector("ul");s&&(r.removeChild(s),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}}}},{key:"isExpanded",value:function(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}},{key:"getId",value:function(e){return e.parentElement.id}},{key:"getIdFromCheckbox",value:function(e){return e.id.replace("checkbox-","")}},{key:"getSwitchElement",value:function(e){return document.getElementById("switch-".concat(e))}},{key:"isChecked",value:function(e){return e.checked}},{key:"setCheckbox",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=document.getElementById("checkbox-".concat(e));r&&(t!==r.checked&&(r.checked=t),i!==r.indeterminate&&(r.indeterminate=i,i&&(r.checked=!1)))}},{key:"setXRayed",value:function(e,t){var i=document.getElementById(e);i&&(t?i.classList.add("xrayed-node"):i.classList.remove("xrayed-node"))}},{key:"setHighlighted",value:function(e,t){var i=document.getElementById(e);i&&(t?(i.scrollIntoView({block:"center"}),i.classList.add("highlighted-node")):i.classList.remove("highlighted-node"))}}]),e}(),qF=[],$F=function(e){g(i,Ue);var t=_(i);function i(e){var r,s,n,o=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(n=t.call(this,"TreeViewPlugin",e)).errors=[],n.valid=!0;var a=o.containerElement||document.getElementById(o.containerElementId);if(!(a instanceof HTMLElement))return n.error("Mandatory config expected: valid containerElementId or containerElement"),y(n);for(var l=0;;l++)if(!qF[l]){qF[l]=b(n),n._index=l,n._id="tree-".concat(l);break}if(n._containerElement=a,n._metaModels={},n._autoAddModels=!1!==o.autoAddModels,n._autoExpandDepth=o.autoExpandDepth||0,n._sortNodes=!1!==o.sortNodes,n._viewer=e,n._rootElement=null,n._muteSceneEvents=!1,n._muteTreeEvents=!1,n._rootNodes=[],n._objectNodes={},n._nodeNodes={},n._rootNames={},n._sortNodes=o.sortNodes,n._pruneEmptyNodes=o.pruneEmptyNodes,n._showListItemElementId=null,n._renderService=o.renderService||new ZF,n._showIndeterminate=null!==(r=o.showIndeterminate)&&void 0!==r&&r,n._showProjectNode=null!==(s=o.showProjectNode)&&void 0!==s&&s,!n._renderService)throw new Error("TreeViewPlugin: no render service set");if(n._containerElement.oncontextmenu=function(e){e.preventDefault()},n._onObjectVisibility=n._viewer.scene.on("objectVisibility",(function(e){if(!n._muteSceneEvents){var t=e.id,i=n._objectNodes[t];if(i){var r=e.visible;if(r!==i.checked){n._muteTreeEvents=!0,i.checked=r,r?i.numVisibleEntities++:i.numVisibleEntities--,n._renderService.setCheckbox(i.nodeId,r);for(var s=i.parent;s;){s.checked=r,r?s.numVisibleEntities++:s.numVisibleEntities--;var o=n._showIndeterminate&&s.numVisibleEntities>0&&s.numVisibleEntities<s.numEntities;n._renderService.setCheckbox(s.nodeId,s.numVisibleEntities>0,o),s=s.parent}n._muteTreeEvents=!1}}}})),n._onObjectXrayed=n._viewer.scene.on("objectXRayed",(function(e){if(!n._muteSceneEvents){var t=e.id,i=n._objectNodes[t];if(i){n._muteTreeEvents=!0;var r=e.xrayed;r!==i.xrayed&&(i.xrayed=r,n._renderService.setXRayed(i.nodeId,r),n._muteTreeEvents=!1)}}})),n._switchExpandHandler=function(e){e.preventDefault(),e.stopPropagation();var t=e.target;n._expandSwitchElement(t)},n._switchCollapseHandler=function(e){e.preventDefault(),e.stopPropagation();var t=e.target;n._collapseSwitchElement(t)},n._checkboxChangeHandler=function(e){if(!n._muteTreeEvents){n._muteSceneEvents=!0;var t=e.target,i=n._renderService.isChecked(t),r=n._renderService.getIdFromCheckbox(t),s=n._nodeNodes[r],o=n._viewer.scene.objects,a=0;n._withNodeTree(s,(function(e){var t=e.objectId,r=o[t],s=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,s&&i!==e.checked&&a++,e.checked=i,n._renderService.setCheckbox(e.nodeId,i),r&&(r.visible=i)}));for(var l=s.parent;l;){l.checked=i,i?l.numVisibleEntities+=a:l.numVisibleEntities-=a;var u=n._showIndeterminate&&l.numVisibleEntities>0&&l.numVisibleEntities<l.numEntities;n._renderService.setCheckbox(l.nodeId,l.numVisibleEntities>0,u),l=l.parent}n._muteSceneEvents=!1}},n._hierarchy=o.hierarchy||"containment",n._autoExpandDepth=o.autoExpandDepth||0,n._autoAddModels){for(var u=Object.keys(n.viewer.metaScene.metaModels),c=0,A=u.length;c<A;c++){var h=u[c],d=n.viewer.metaScene.metaModels[h];d.finalized&&n.addModel(h)}n.viewer.scene.on("modelLoaded",(function(e){n.viewer.metaScene.metaModels[e]&&n.addModel(e)}))}return n.hierarchy=o.hierarchy,n}return C(i,[{key:"hierarchy",get:function(){return this._hierarchy},set:function(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}},{key:"addModel",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this._containerElement){var r=this.viewer.scene.models[e];if(!r)throw"Model not found: "+e;var s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,i&&i.rootName&&(this._rootNames[e]=i.rootName),r.on("destroyed",(function(){t.removeModel(r.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}}},{key:"removeModel",value:function(e){this._containerElement&&(this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes()))}},{key:"showNode",value:function(e){this.unShowNode();var t=this._objectNodes[e];if(t){this.collapse();var i=t.nodeId,r=this._renderService.getSwitchElement(i);if(r)return this._expandSwitchElement(r),r.scrollIntoView(),!0;var s=[];s.unshift(t);for(var n=t.parent;n;)s.unshift(n),n=n.parent;for(var o=0,a=s.length;o<a;o++){var l=this._renderService.getSwitchElement(s[o].nodeId);l&&this._expandSwitchElement(l)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}}},{key:"unShowNode",value:function(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}},{key:"expandToDepth",value:function(e){var t=this;this.collapse();for(var i=function i(r,s){if(s!==e){var n=t._renderService.getSwitchElement(r.nodeId);if(n){t._expandSwitchElement(n);for(var o=r.children,a=0,l=o.length;a<l;a++){i(o[a],s+1)}}}},r=0,s=this._rootNodes.length;r<s;r++){i(this._rootNodes[r],0)}}},{key:"collapse",value:function(){for(var e=0,t=this._rootNodes.length;e<t;e++){var i=this._rootNodes[e].nodeId;this._collapseNode(i)}}},{key:"withNodeTree",value:function(e,t){t(e);var i=e.children;if(i)for(var r=0,s=i.length;r<s;r++)this.withNodeTree(i[r],t)}},{key:"destroy",value:function(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete qF[this._index],f(B(i.prototype),"destroy",this).call(this))}},{key:"_createNodes",value:function(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}},{key:"_validate",value:function(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}},{key:"_validateMetaModelForStoreysHierarchy",value:function(){return!0}},{key:"_createEnabledNodes",value:function(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}},{key:"_createDisabledNodes",value:function(){var e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);var t=this._viewer.metaScene.rootMetaObjects;for(var i in t){var r=t[i],s=r.type,n=r.name,o=n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s,a=this._renderService.createDisabledNodeElement(o);e.appendChild(a)}}},{key:"_findEmptyNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._findEmptyNodes2(e[t])}},{key:"_findEmptyNodes2",value:function(e){var t=this.viewer,i=t.scene,r=e.children,s=e.id,n=i.objects[s];if(e._countEntities=0,n&&e._countEntities++,r)for(var o=0,a=r.length;o<a;o++){var l=r[o];l._countEntities=this._findEmptyNodes2(l),e._countEntities+=l._countEntities}return e._countEntities}},{key:"_createStoreysNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createStoreysNodes2(e[t],null,null,null,null)}},{key:"_createStoreysNodes2",value:function(e,t,i,r,s){if(!this._pruneEmptyNodes||0!==e._countEntities){var n=e.type,o=e.name,a=e.children,l=e.id;if(this._showProjectNode&&"IfcProject"===n)t={nodeId:"".concat(this._id,"-").concat(l),objectId:l,title:0===e.metaModels.length?o:this._rootNames[e.metaModels[0].id]||(o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:n),type:n,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuilding"===n)i={nodeId:"".concat(this._id,"-").concat(l),objectId:l,title:0===e.metaModels.length?o:this._rootNames[e.metaModels[0].id]||(o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:n),type:n,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t?t.children.push(i):this._rootNodes.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i;else if("IfcBuildingStorey"===n){if(!i)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");r={nodeId:"".concat(this._id,"-").concat(l),objectId:l,title:o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:n,type:n,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(r),this._objectNodes[r.objectId]=r,this._nodeNodes[r.nodeId]=r,s={}}else{if(r)if(this._viewer.scene.objects[l]){var u=(s=s||{})[n];u||(u={nodeId:"".concat(this._id,"-").concat(r.objectId,"-").concat(n),objectId:"".concat(r.objectId,"-").concat(n),title:n,type:n,parent:r,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},r.children.push(u),this._objectNodes[u.objectId]=u,this._nodeNodes[u.nodeId]=u,s[n]=u);var c={nodeId:"".concat(this._id,"-").concat(l),objectId:l,title:o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:n,type:n,parent:u,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};u.children.push(c),this._objectNodes[c.objectId]=c,this._nodeNodes[c.nodeId]=c}}if(a)for(var A=0,h=a.length;A<h;A++){var d=a[A];this._createStoreysNodes2(d,t,i,r,s)}}}},{key:"_createTypesNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createTypesNodes2(e[t],null,null)}},{key:"_createTypesNodes2",value:function(e,t,i){if(!this._pruneEmptyNodes||0!==e._countEntities){var r=e.type,s=e.name,n=e.children,o=e.id;if(e.parent){if(t)if(this._viewer.scene.objects[o]){var a=i[r];a||(a={nodeId:"".concat(this._id,"-").concat(t.objectId,"-").concat(r),objectId:"".concat(t.objectId,"-").concat(r),title:r,type:r,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(a),this._objectNodes[a.objectId]=a,this._nodeNodes[a.nodeId]=a,i[r]=a);var l={nodeId:"".concat(this._id,"-").concat(o),objectId:o,title:s&&""!==s&&"Default"!==s?s:r,type:r,parent:a,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};a.children.push(l),this._objectNodes[l.objectId]=l,this._nodeNodes[l.nodeId]=l}}else t={nodeId:"".concat(this._id,"-").concat(o),objectId:o,title:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||(s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:r),type:r,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(n)for(var u=0,c=n.length;u<c;u++){var A=n[u];this._createTypesNodes2(A,t,i)}}}},{key:"_createContainmentNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createContainmentNodes2(e[t],null)}},{key:"_createContainmentNodes2",value:function(e,t){if(!this._pruneEmptyNodes||0!==e._countEntities){var i=e.type,r=e.name||i,s=e.children,n=e.id,o={nodeId:"".concat(this._id,"-").concat(n),objectId:n,title:t?r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:i:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||r,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(o):this._rootNodes.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o,s)for(var a=0,l=s.length;a<l;a++){var u=s[a];this._createContainmentNodes2(u,o)}}}},{key:"_doSortNodes",value:function(){for(var e=0,t=this._rootNodes.length;e<t;e++){var i=this._rootNodes[e];this._sortChildren(i)}}},{key:"_sortChildren",value:function(e){var t=e.children;if(t&&0!==t.length){var i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?t.sort(this._alphaSortFunc):t.sort(this._getSpatialSortFunc());for(var r=0,s=t.length;r<s;r++){var n=t[r];this._sortChildren(n)}}}},{key:"_getSpatialSortFunc",value:function(){var e=this,t=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(i,r){t.xUp||t.yUp;var s=e.viewer.metaScene,n=s.metaObjects[i.objectId],o=s.metaObjects[r.objectId];if(n&&n.attributes&&void 0!==n.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){var a=Number.parseFloat(n.attributes.elevation),l=Number.parseFloat(o.attributes.elevation);return a>l?-1:a<l?1:0}return 0})}},{key:"_alphaSortFunc",value:function(e,t){var i=e.title.toUpperCase(),r=t.title.toUpperCase();return i<r?-1:i>r?1:0}},{key:"_synchNodesToEntities",value:function(){for(var e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects,r=0,s=e.length;r<s;r++){var n=e[r];if(t[n]){var o=this._objectNodes[n];if(o){var a=i[n];if(a){var l=a.visible;o.numEntities=1,o.xrayed=a.xrayed,l?(o.numVisibleEntities=1,o.checked=!0):(o.numVisibleEntities=0,o.checked=!1);for(var u=o.parent;u;)u.numEntities++,l&&(u.numVisibleEntities++,u.checked=!0),u=u.parent}}}}}},{key:"_withNodeTree",value:function(e,t){t(e);var i=e.children;if(i)for(var r=0,s=i.length;r<s;r++)this._withNodeTree(i[r],t)}},{key:"_createTrees",value:function(){var e=this;if(0!==this._rootNodes.length){var t=this._rootNodes.map((function(t){return e._createNodeElement(t)})),i=this._renderService.createRootNode();t.forEach((function(e){i.appendChild(e)})),this._containerElement.appendChild(i),this._rootElement=i}}},{key:"_createNodeElement",value:function(e){var t=this;return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(function(i){t.fire("contextmenu",{event:i,viewer:t._viewer,treeViewPlugin:t,treeViewNode:e}),i.preventDefault()}),(function(i){t.fire("nodeTitleClicked",{event:i,viewer:t._viewer,treeViewPlugin:t,treeViewNode:e}),i.preventDefault()}))}},{key:"_expandSwitchElement",value:function(e){var t=this;if(!this._renderService.isExpanded(e)){var i=this._renderService.getId(e),r=this._nodeNodes[i].children.map((function(e){return t._createNodeElement(e)}));this._renderService.addChildren(e,r),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}}},{key:"_collapseNode",value:function(e){var t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}},{key:"_collapseSwitchElement",value:function(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}}]),i}(),ek=function(){function e(t){var i=this;P(this,e),this._scene=t,this._objects=[],this._objectsViewCulled=[],this._objectsDetailCulled=[],this._objectsChanged=[],this._objectsChangedList=[],this._modelInfos={},this._numObjects=0,this._lenObjectsChangedList=0,this._dirty=!0,this._onModelLoaded=t.on("modelLoaded",(function(e){var r=t.models[e];r&&i._addModel(r)})),this._onTick=t.on("tick",(function(){i._dirty&&i._build(),i._applyChanges()}))}return C(e,[{key:"_addModel",value:function(e){var t=this,i={model:e,onDestroyed:e.on("destroyed",(function(){t._removeModel(e)}))};this._modelInfos[e.id]=i,this._dirty=!0}},{key:"_removeModel",value:function(e){var t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._dirty=!0)}},{key:"_build",value:function(){if(this._dirty){this._applyChanges();for(var e=this._scene.objects,t=0;t<this._numObjects;t++)this._objects[t]=null;for(var i in this._numObjects=0,e){var r=e[i];this._objects[this._numObjects++]=r}this._lenObjectsChangedList=0,this._dirty=!1}}},{key:"_applyChanges",value:function(){if(this._lenObjectsChangedList>0){for(var e=0;e<this._lenObjectsChangedList;e++){var t=this._objectsChangedList[e],i=this._objects[t],r=this._objectsViewCulled[t],s=this._objectsDetailCulled[t],n=r||s;i.culled=n,this._objectsChanged[t]=!1}this._lenObjectsChangedList=0}}},{key:"objects",get:function(){return this._dirty&&this._build(),this._objects}},{key:"numObjects",get:function(){return this._dirty&&this._build(),this._numObjects}},{key:"setObjectViewCulled",value:function(e,t){this._dirty&&this._build(),this._objectsViewCulled[e]!==t&&(this._objectsViewCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}},{key:"setObjectDetailCulled",value:function(e,t){this._dirty&&this._build(),this._objectsDetailCulled[e]!==t&&(this._objectsDetailCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}},{key:"_destroy",value:function(){this._clear(),this._scene.off(this._onModelLoaded),this._scene.off(this._onTick)}},{key:"_clear",value:function(){for(var e in this._modelInfos){var t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._dirty=!0}}]),e}(),tk={};function ik(e){var t=e.id,i=tk[t];return i||(i=new ek(e),tk[t]=i,e.on("destroyed",(function(){delete tk[t],i._destroy()}))),i}var rk=new Float32Array(3),sk=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"ViewCull",e))._objectCullStates=ik(e.scene),r._maxTreeDepth=s.maxTreeDepth||8,r._modelInfos={},r._frustum=new Ie,r._kdRoot=null,r._frustumDirty=!1,r._kdTreeDirty=!1,r._onViewMatrix=e.scene.camera.on("viewMatrix",(function(){r._frustumDirty=!0})),r._onProjMatrix=e.scene.camera.on("projMatMatrix",(function(){r._frustumDirty=!0})),r._onModelLoaded=e.scene.on("modelLoaded",(function(e){var t=r.viewer.scene.models[e];t&&r._addModel(t)})),r._onSceneTick=e.scene.on("tick",(function(){r._doCull()})),r}return C(i,[{key:"enabled",get:function(){return this._enabled},set:function(e){this._enabled=e}},{key:"_addModel",value:function(e){var t=this,i={model:e,onDestroyed:e.on("destroyed",(function(){t._removeModel(e)}))};this._modelInfos[e.id]=i,this._kdTreeDirty=!0}},{key:"_removeModel",value:function(e){var t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._kdTreeDirty=!0)}},{key:"_doCull",value:function(){var e=this._frustumDirty||this._kdTreeDirty;if(this._frustumDirty&&this._buildFrustum(),this._kdTreeDirty&&this._buildKDTree(),e){var t=this._kdRoot;t&&this._visitKDNode(t)}}},{key:"_buildFrustum",value:function(){var e=this.viewer.scene.camera;De(this._frustum,e.viewMatrix,e.projMatrix),this._frustumDirty=!1}},{key:"_buildKDTree",value:function(){var e=this.viewer.scene;this._kdRoot,this._kdRoot={aabb:e.getAABB(),intersection:Ie.INTERSECT};for(var t=0,i=this._objectCullStates.numObjects;t<i;t++){var r=this._objectCullStates.objects[t];this._insertEntityIntoKDTree(this._kdRoot,r,t,1)}this._kdTreeDirty=!1}},{key:"_insertEntityIntoKDTree",value:function(e,t,i,r){var s=t.aabb;if(r>=this._maxTreeDepth)return e.objects=e.objects||[],e.objects.push(i),void re.expandAABB3(e.aabb,s);if(e.left&&re.containsAABB3(e.left.aabb,s))this._insertEntityIntoKDTree(e.left,t,i,r+1);else if(e.right&&re.containsAABB3(e.right.aabb,s))this._insertEntityIntoKDTree(e.right,t,i,r+1);else{var n=e.aabb;rk[0]=n[3]-n[0],rk[1]=n[4]-n[1],rk[2]=n[5]-n[2];var o=0;if(rk[1]>rk[o]&&(o=1),rk[2]>rk[o]&&(o=2),!e.left){var a=n.slice();if(a[o+3]=(n[o]+n[o+3])/2,e.left={aabb:a,intersection:Ie.INTERSECT},re.containsAABB3(a,s))return void this._insertEntityIntoKDTree(e.left,t,i,r+1)}if(!e.right){var l=n.slice();if(l[o]=(n[o]+n[o+3])/2,e.right={aabb:l,intersection:Ie.INTERSECT},re.containsAABB3(l,s))return void this._insertEntityIntoKDTree(e.right,t,i,r+1)}e.objects=e.objects||[],e.objects.push(i),re.expandAABB3(e.aabb,s)}}},{key:"_visitKDNode",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(t===Ie.INTERSECT||e.intersects!==t){t===Ie.INTERSECT&&(t=Se(this._frustum,e.aabb),e.intersects=t);var i=t===Ie.OUTSIDE,r=e.objects;if(r&&r.length>0)for(var s=0,n=r.length;s<n;s++){var o=r[s];this._objectCullStates.setObjectViewCulled(o,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this),this._clear();var e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}},{key:"_clear",value:function(){for(var e in this._modelInfos){var t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}}]),i}(),nk=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return 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i,r,s,n=t.dyn_tree,o=t.stat_desc.static_tree,a=t.stat_desc.has_stree,l=t.stat_desc.elems,u=-1;for(e.heap_len=0,e.heap_max=573,i=0;i<l;i++)0!==n[2*i]?(e.heap[++e.heap_len]=u=i,e.depth[i]=0):n[2*i+1]=0;for(;e.heap_len<2;)n[2*(s=e.heap[++e.heap_len]=u<2?++u:0)]=1,e.depth[s]=0,e.opt_len--,a&&(e.static_len-=o[2*s+1]);for(t.max_code=u,i=e.heap_len>>1;i>=1;i--)M(e,n,i);s=l;do{i=e.heap[1],e.heap[1]=e.heap[e.heap_len--],M(e,n,1),r=e.heap[1],e.heap[--e.heap_max]=i,e.heap[--e.heap_max]=r,n[2*s]=n[2*i]+n[2*r],e.depth[s]=(e.depth[i]>=e.depth[r]?e.depth[i]:e.depth[r])+1,n[2*i+1]=n[2*r+1]=s,e.heap[1]=s++,M(e,n,1)}while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],function(e,t){var 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Te(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=Ae,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),_e(this.dyn_ltree),_e(this.dyn_dtree),_e(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),_e(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new 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i===ee&&((t=e.state).window_size=2*t.w_size,_e(t.head),t.max_lazy_match=Se[t.level].max_lazy,t.good_match=Se[t.level].good_length,t.nice_match=Se[t.level].nice_length,t.max_chain_length=Se[t.level].max_chain,t.strstart=0,t.block_start=0,t.lookahead=0,t.insert=0,t.match_length=t.prev_length=2,t.match_available=0,t.ins_h=0),i},Oe=function(e,t,i,r,s,n){if(!e)return ie;var o=1;if(t===ne&&(t=6),r<0?(o=0,r=-r):r>15&&(o=2,r-=16),s<1||s>9||i!==Ae||r<8||r>15||t<0||t>9||n<0||n>ue||8===r&&1!==o)return ge(e,ie);8===r&&(r=9);var a=new Te;return e.state=a,a.strm=e,a.status=pe,a.wrap=o,a.gzhead=null,a.w_bits=r,a.w_size=1<<a.w_bits,a.w_mask=a.w_size-1,a.hash_bits=s+7,a.hash_size=1<<a.hash_bits,a.hash_mask=a.hash_size-1,a.hash_shift=~~((a.hash_bits+3-1)/3),a.window=new Uint8Array(2*a.w_size),a.head=new Uint16Array(a.hash_size),a.prev=new Uint16Array(a.w_size),a.lit_bufsize=1<<s+6,a.pending_buf_size=4*a.lit_bufsize,a.pending_buf=new 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A,h=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>h&&(e.adler=V(e.adler,i.pending_buf,i.pending-h,h)),Be(e),0!==i.pending)return i.last_flush=-1,ee;h=0}A=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,Pe(i,A)}while(0!==A);i.gzhead.hcrc&&i.pending>h&&(e.adler=V(e.adler,i.pending_buf,i.pending-h,h))}i.status=103}if(103===i.status){if(i.gzhead.hcrc){if(i.pending+2>i.pending_buf_size&&(Be(e),0!==i.pending))return i.last_flush=-1,ee;Pe(i,255&e.adler),Pe(i,e.adler>>8&255),e.adler=0}if(i.status=fe,Be(e),0!==i.pending)return i.last_flush=-1,ee}if(0!==e.avail_in||0!==i.lookahead||t!==J&&i.status!==ve){var d=0===i.level?Fe(i,t):i.strategy===ae?function(e,t){for(var i;;){if(0===e.lookahead&&(Ee(e),0===e.lookahead)){if(t===J)return 1;break}if(e.match_length=0,i=W(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(we(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,t===q?(we(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(we(e,!1),0===e.strm.avail_out)?1:2}(i,t):i.strategy===le?function(e,t){for(var i,r,s,n,o=e.window;;){if(e.lookahead<=he){if(Ee(e),e.lookahead<=he&&t===J)return 1;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=3&&e.strstart>0&&((r=o[s=e.strstart-1])===o[++s]&&r===o[++s]&&r===o[++s])){n=e.strstart+he;do{}while(r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&s<n);e.match_length=he-(n-s),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=3?(i=W(e,1,e.match_length-3),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(i=W(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),i&&(we(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,t===q?(we(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(we(e,!1),0===e.strm.avail_out)?1:2}(i,t):Se[i.level].func(i,t);if(3!==d&&4!==d||(i.status=ve),1===d||3===d)return 0===e.avail_out&&(i.last_flush=-1),ee;if(2===d&&(t===Y?X(i):t!==$&&(z(i,0,0,!1),t===Z&&(_e(i.head),0===i.lookahead&&(i.strstart=0,i.block_start=0,i.insert=0))),Be(e),0===e.avail_out))return i.last_flush=-1,ee}return t!==q?ee:i.wrap<=0?te:(2===i.wrap?(Pe(i,255&e.adler),Pe(i,e.adler>>8&255),Pe(i,e.adler>>16&255),Pe(i,e.adler>>24&255),Pe(i,255&e.total_in),Pe(i,e.total_in>>8&255),Pe(i,e.total_in>>16&255),Pe(i,e.total_in>>24&255)):(xe(i,e.adler>>>16),xe(i,65535&e.adler)),Be(e),i.wrap>0&&(i.wrap=-i.wrap),0!==i.pending?ee:te)},He=function(e){if(Re(e))return ie;var t=e.state.status;return e.state=null,t===fe?ge(e,re):ee},je=function(e,t){var i=t.length;if(Re(e))return ie;var r=e.state,s=r.wrap;if(2===s||1===s&&r.status!==pe||r.lookahead)return ie;if(1===s&&(e.adler=N(e.adler,t,i,0)),r.wrap=0,i>=r.w_size){0===s&&(_e(r.head),r.strstart=0,r.block_start=0,r.insert=0);var n=new Uint8Array(r.w_size);n.set(t.subarray(i-r.w_size,i),0),t=n,i=r.w_size}var o=e.avail_in,a=e.next_in,l=e.input;for(e.avail_in=i,e.next_in=0,e.input=t,Ee(r);r.lookahead>=3;){var u=r.strstart,c=r.lookahead-2;do{r.ins_h=be(r,r.ins_h,r.window[u+3-1]),r.prev[u&r.w_mask]=r.head[r.ins_h],r.head[r.ins_h]=u,u++}while(--c);r.strstart=u,r.lookahead=2,Ee(r)}return r.strstart+=r.lookahead,r.block_start=r.strstart,r.insert=r.lookahead,r.lookahead=0,r.match_length=r.prev_length=2,r.match_available=0,e.next_in=a,e.input=l,e.avail_in=o,r.wrap=s,ee},Ge=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},ze=function(e){for(var t=Array.prototype.slice.call(arguments,1);t.length;){var i=t.shift();if(i){if("object"!=w(i))throw new TypeError(i+"must be non-object");for(var r in i)Ge(i,r)&&(e[r]=i[r])}}return e},Ke=function(e){for(var t=0,i=0,r=e.length;i<r;i++)t+=e[i].length;for(var s=new Uint8Array(t),n=0,o=0,a=e.length;n<a;n++){var l=e[n];s.set(l,o),o+=l.length}return s},We=!0;try{String.fromCharCode.apply(null,new Uint8Array(1))}catch(e){We=!1}for(var Xe=new 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ct(e){this.options=ze({level:at,method:ut,chunkSize:16384,windowBits:15,memLevel:8,strategy:lt},e||{});var t=this.options;t.raw&&t.windowBits>0?t.windowBits=-t.windowBits:t.gzip&&t.windowBits>0&&t.windowBits<16&&(t.windowBits+=16),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new $e,this.strm.avail_out=0;var i=Ne(this.strm,t.level,t.method,t.windowBits,t.memLevel,t.strategy);if(i!==nt)throw new Error(H[i]);if(t.header&&Qe(this.strm,t.header),t.dictionary){var r;if(r="string"==typeof t.dictionary?Ye(t.dictionary):"[object ArrayBuffer]"===et.call(t.dictionary)?new Uint8Array(t.dictionary):t.dictionary,(i=je(this.strm,r))!==nt)throw new Error(H[i]);this._dict_set=!0}}function At(e,t){var i=new ct(t);if(i.push(e,!0),i.err)throw i.msg||H[i.err];return i.result}ct.prototype.push=function(e,t){var i,r,s=this.strm,n=this.options.chunkSize;if(this.ended)return!1;for(r=t===~~t?t:!0===t?st:tt,"string"==typeof e?s.input=Ye(e):"[object ArrayBuffer]"===et.call(e)?s.input=new Uint8Array(e):s.input=e,s.next_in=0,s.avail_in=s.input.length;;)if(0===s.avail_out&&(s.output=new Uint8Array(n),s.next_out=0,s.avail_out=n),(r===it||r===rt)&&s.avail_out<=6)this.onData(s.output.subarray(0,s.next_out)),s.avail_out=0;else{if((i=Ve(s,r))===ot)return s.next_out>0&&this.onData(s.output.subarray(0,s.next_out)),i=He(this.strm),this.onEnd(i),this.ended=!0,i===nt;if(0!==s.avail_out){if(r>0&&s.next_out>0)this.onData(s.output.subarray(0,s.next_out)),s.avail_out=0;else if(0===s.avail_in)break}else this.onData(s.output)}return!0},ct.prototype.onData=function(e){this.chunks.push(e)},ct.prototype.onEnd=function(e){e===nt&&(this.result=Ke(this.chunks)),this.chunks=[],this.err=e,this.msg=this.strm.msg};var ht=ct,dt=At,pt=function(e,t){return(t=t||{}).raw=!0,At(e,t)},ft=function(e,t){return(t=t||{}).gzip=!0,At(e,t)},vt=16209,gt=function(e,t){var i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,B,w,P,x,C=e.state;i=e.next_in,P=e.input,r=i+(e.avail_in-5),s=e.next_out,x=e.output,n=s-(t-e.avail_out),o=s+(e.avail_out-257),a=C.dmax,l=C.wsize,u=C.whave,c=C.wnext,A=C.window,h=C.hold,d=C.bits,p=C.lencode,f=C.distcode,v=(1<<C.lenbits)-1,g=(1<<C.distbits)-1;e:do{d<15&&(h+=P[i++]<<d,d+=8,h+=P[i++]<<d,d+=8),m=p[h&v];t:for(;;){if(h>>>=_=m>>>24,d-=_,0===(_=m>>>16&255))x[s++]=65535&m;else{if(!(16&_)){if(0==(64&_)){m=p[(65535&m)+(h&(1<<_)-1)];continue t}if(32&_){C.mode=16191;break e}e.msg="invalid literal/length code",C.mode=vt;break e}y=65535&m,(_&=15)&&(d<_&&(h+=P[i++]<<d,d+=8),y+=h&(1<<_)-1,h>>>=_,d-=_),d<15&&(h+=P[i++]<<d,d+=8,h+=P[i++]<<d,d+=8),m=f[h&g];i:for(;;){if(h>>>=_=m>>>24,d-=_,!(16&(_=m>>>16&255))){if(0==(64&_)){m=f[(65535&m)+(h&(1<<_)-1)];continue i}e.msg="invalid distance code",C.mode=vt;break e}if(b=65535&m,d<(_&=15)&&(h+=P[i++]<<d,(d+=8)<_&&(h+=P[i++]<<d,d+=8)),(b+=h&(1<<_)-1)>a){e.msg="invalid distance too far back",C.mode=vt;break 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t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,Xt(e)},Yt=function(e,t){var i;if(Wt(e))return Ft;var r=e.state;return t<0?(i=0,t=-t):(i=5+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?Ft:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=i,r.wbits=t,Jt(e))},Zt=function(e,t){if(!e)return Ft;var i=new Gt;e.state=i,i.strm=e,i.window=null,i.mode=Tt;var r=Yt(e,t);return r!==Ct&&(e.state=null),r},qt=!0,$t=function(e){if(qt){zt=new Int32Array(512),Kt=new Int32Array(32);for(var t=0;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(Bt(1,e.lens,0,288,zt,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;Bt(2,e.lens,0,32,Kt,0,e.work,{bits:5}),qt=!1}e.lencode=zt,e.lenbits=9,e.distcode=Kt,e.distbits=5},ei=function(e,t,i,r){var s,n=e.state;return null===n.window&&(n.wsize=1<<n.wbits,n.wnext=0,n.whave=0,n.window=new 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e;a--,u+=r[n++]<<c,c+=8}if(2&i.wrap&&35615===u){0===i.wbits&&(i.wbits=15),i.check=0,M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0),u=0,c=0,i.mode=16181;break}if(i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&u)<<8)+(u>>8))%31){e.msg="incorrect header check",i.mode=Ht;break}if((15&u)!==St){e.msg="unknown compression method",i.mode=Ht;break}if(c-=4,B=8+(15&(u>>>=4)),0===i.wbits&&(i.wbits=B),B>15||B>i.wbits){e.msg="invalid window size",i.mode=Ht;break}i.dmax=1<<i.wbits,i.flags=0,e.adler=i.check=1,i.mode=512&u?16189:Lt,u=0,c=0;break;case 16181:for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(i.flags=u,(255&i.flags)!==St){e.msg="unknown compression method",i.mode=Ht;break}if(57344&i.flags){e.msg="unknown header flags set",i.mode=Ht;break}i.head&&(i.head.text=u>>8&1),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0,i.mode=16182;case 16182:for(;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.head&&(i.head.time=u),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,M[2]=u>>>16&255,M[3]=u>>>24&255,i.check=V(i.check,M,4,0)),u=0,c=0,i.mode=16183;case 16183:for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.head&&(i.head.xflags=255&u,i.head.os=u>>8),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0,i.mode=16184;case 16184:if(1024&i.flags){for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.length=u,i.head&&(i.head.extra_len=u),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0}else i.head&&(i.head.extra=null);i.mode=16185;case 16185:if(1024&i.flags&&((d=i.length)>a&&(d=a),d&&(i.head&&(B=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Uint8Array(i.head.extra_len)),i.head.extra.set(r.subarray(n,n+d),B)),512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,i.length-=d),i.length))break e;i.length=0,i.mode=16186;case 16186:if(2048&i.flags){if(0===a)break e;d=0;do{B=r[n+d++],i.head&&B&&i.length<65536&&(i.head.name+=String.fromCharCode(B))}while(B&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,B)break e}else i.head&&(i.head.name=null);i.length=0,i.mode=16187;case 16187:if(4096&i.flags){if(0===a)break e;d=0;do{B=r[n+d++],i.head&&B&&i.length<65536&&(i.head.comment+=String.fromCharCode(B))}while(B&&d<a);if(512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,B)break e}else i.head&&(i.head.comment=null);i.mode=16188;case 16188:if(512&i.flags){for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(4&i.wrap&&u!==(65535&i.check)){e.msg="header crc mismatch",i.mode=Ht;break}u=0,c=0}i.head&&(i.head.hcrc=i.flags>>9&1,i.head.done=!0),e.adler=i.check=0,i.mode=Lt;break;case 16189:for(;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}e.adler=i.check=jt(u),u=0,c=0,i.mode=Rt;case Rt:if(0===i.havedict)return e.next_out=o,e.avail_out=l,e.next_in=n,e.avail_in=a,i.hold=u,i.bits=c,Et;e.adler=i.check=1,i.mode=Lt;case Lt:if(t===Pt||t===xt)break e;case Ut:if(i.last){u>>>=7&c,c-=7&c,i.mode=Vt;break}for(;c<3;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}switch(i.last=1&u,c-=1,3&(u>>>=1)){case 0:i.mode=16193;break;case 1:if($t(i),i.mode=Nt,t===xt){u>>>=2,c-=2;break e}break;case 2:i.mode=16196;break;case 3:e.msg="invalid block type",i.mode=Ht}u>>>=2,c-=2;break;case 16193:for(u>>>=7&c,c-=7&c;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if((65535&u)!=(u>>>16^65535)){e.msg="invalid stored block lengths",i.mode=Ht;break}if(i.length=65535&u,u=0,c=0,i.mode=Ot,t===xt)break e;case Ot:i.mode=16195;case 16195:if(d=i.length){if(d>a&&(d=a),d>l&&(d=l),0===d)break e;s.set(r.subarray(n,n+d),o),a-=d,n+=d,l-=d,o+=d,i.length-=d;break}i.mode=Lt;break;case 16196:for(;c<14;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(i.nlen=257+(31&u),u>>>=5,c-=5,i.ndist=1+(31&u),u>>>=5,c-=5,i.ncode=4+(15&u),u>>>=4,c-=4,i.nlen>286||i.ndist>30){e.msg="too many length or distance symbols",i.mode=Ht;break}i.have=0,i.mode=16197;case 16197:for(;i.have<i.ncode;){for(;c<3;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.lens[E[i.have++]]=7&u,u>>>=3,c-=3}for(;i.have<19;)i.lens[E[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,P={bits:i.lenbits},w=Bt(0,i.lens,0,19,i.lencode,0,i.work,P),i.lenbits=P.bits,w){e.msg="invalid code lengths set",i.mode=Ht;break}i.have=0,i.mode=16198;case 16198:for(;i.have<i.nlen+i.ndist;){for(;g=(C=i.lencode[u&(1<<i.lenbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(m<16)u>>>=v,c-=v,i.lens[i.have++]=m;else{if(16===m){for(x=v+2;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(u>>>=v,c-=v,0===i.have){e.msg="invalid bit length repeat",i.mode=Ht;break}B=i.lens[i.have-1],d=3+(3&u),u>>>=2,c-=2}else if(17===m){for(x=v+3;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}c-=v,B=0,d=3+(7&(u>>>=v)),u>>>=3,c-=3}else{for(x=v+7;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}c-=v,B=0,d=11+(127&(u>>>=v)),u>>>=7,c-=7}if(i.have+d>i.nlen+i.ndist){e.msg="invalid bit length 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e;a--,u+=r[n++]<<c,c+=8}if(g&&0==(240&g)){for(_=v,y=g,b=m;g=(C=i.lencode[b+((u&(1<<_+y)-1)>>_)])>>>16&255,m=65535&C,!(_+(v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}u>>>=_,c-=_,i.back+=_}if(u>>>=v,c-=v,i.back+=v,i.length=m,0===g){i.mode=16205;break}if(32&g){i.back=-1,i.mode=Lt;break}if(64&g){e.msg="invalid literal/length code",i.mode=Ht;break}i.extra=15&g,i.mode=16201;case 16201:if(i.extra){for(x=i.extra;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.length+=u&(1<<i.extra)-1,u>>>=i.extra,c-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=16202;case 16202:for(;g=(C=i.distcode[u&(1<<i.distbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(0==(240&g)){for(_=v,y=g,b=m;g=(C=i.distcode[b+((u&(1<<_+y)-1)>>_)])>>>16&255,m=65535&C,!(_+(v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}u>>>=_,c-=_,i.back+=_}if(u>>>=v,c-=v,i.back+=v,64&g){e.msg="invalid distance code",i.mode=Ht;break}i.offset=m,i.extra=15&g,i.mode=16203;case 16203:if(i.extra){for(x=i.extra;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.offset+=u&(1<<i.extra)-1,u>>>=i.extra,c-=i.extra,i.back+=i.extra}if(i.offset>i.dmax){e.msg="invalid distance too far back",i.mode=Ht;break}i.mode=16204;case 16204:if(0===l)break e;if(d=h-l,i.offset>d){if((d=i.offset-d)>i.whave&&i.sane){e.msg="invalid distance too far back",i.mode=Ht;break}d>i.wnext?(d-=i.wnext,p=i.wsize-d):p=i.wnext-d,d>i.length&&(d=i.length),f=i.window}else f=s,p=o-i.offset,d=i.length;d>l&&(d=l),l-=d,i.length-=d;do{s[o++]=f[p++]}while(--d);0===i.length&&(i.mode=Qt);break;case 16205:if(0===l)break e;s[o++]=i.length,l--,i.mode=Qt;break;case Vt:if(i.wrap){for(;c<32;){if(0===a)break e;a--,u|=r[n++]<<c,c+=8}if(h-=l,e.total_out+=h,i.total+=h,4&i.wrap&&h&&(e.adler=i.check=i.flags?V(i.check,s,h,o-h):N(i.check,s,h,o-h)),h=l,4&i.wrap&&(i.flags?u:jt(u))!==i.check){e.msg="incorrect data check",i.mode=Ht;break}u=0,c=0}i.mode=16207;case 16207:if(i.wrap&&i.flags){for(;c<32;){if(0===a)break 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o=i.positions,a=i.normals,l=i.indices,u=i.edgeIndices,c=i.meshPositions,A=i.meshIndices,h=i.meshEdgesIndices,d=i.meshColors,p=JSON.parse(i.entityIDs),f=i.entityMeshes,v=i.entityIsObjects,g=c.length,m=f.length,_=0;_<m;_++){var y=p[_],b=t.globalizeObjectIds?re.globalizeObjectId(r.id,y):y,B=e.metaScene.metaObjects[b],w={},P={};if(B){if(t.excludeTypesMap&&B.type&&t.excludeTypesMap[B.type])continue;if(t.includeTypesMap&&B.type&&!t.includeTypesMap[B.type])continue;var x=t.objectDefaults?t.objectDefaults[B.type]||t.objectDefaults.DEFAULT:null;x&&(!1===x.visible&&(w.visible=!1),!1===x.pickable&&(w.pickable=!1),x.colorize&&(P.color=x.colorize),void 0!==x.opacity&&null!==x.opacity&&(P.opacity=x.opacity))}else if(t.excludeUnclassifiedObjects)continue;for(var C=_===m-1,M=[],E=f[_],F=C?f.length:f[_+1];E<F;E++){var 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0!==Ne.metallic&&null!==Ne.metallic&&(Oe.metallic=Ne.metallic),void 0!==Ne.roughness&&null!==Ne.roughness&&(Oe.roughness=Ne.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var Qe=Se;Qe<=Te;Qe++){var Ve=M[Qe],He=fe[Ve]>1,je=Ve===U-1,Ge=F[Qe],ze=Ge>=0?"".concat(o,"-textureSet-").concat(Ge):null,Ke=zk(k.subarray(6*Qe,6*Qe+3)),We=k[6*Qe+3]/255,Xe=k[6*Qe+4]/255,Je=k[6*Qe+5]/255,Ye=n.getNextId();if(He){var Ze=E[Qe],qe=m.slice(Ze,Ze+16),$e="".concat(o,"-geometry.").concat(be,".").concat(Ve),et=ye[$e];if(!et){et={batchThisMesh:!t.reuseGeometries};var tt=!1;switch(y[Ve]){case 0:et.primitiveName="solid",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(B[Ve],je?h.length:B[Ve+1]),et.geometryUVs=p.subarray(P[Ve],je?p.length:P[Ve+1]),et.geometryIndices=f.subarray(x[Ve],je?f.length:x[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 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ot=et.decompressedPositions,at=et.transformedAndRecompressedPositions,lt=0,ut=ot.length;lt<ut;lt+=3)jk[0]=ot[lt+0],jk[1]=ot[lt+1],jk[2]=ot[lt+2],jk[3]=1,re.transformVec4(qe,jk,Gk),ur.compressPosition(Gk,_e,jk),at[lt+0]=jk[0],at[lt+1]=jk[1],at[lt+2]=jk[2];r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:et.primitiveName,positionsCompressed:at,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:Me,color:Ke,metallic:Xe,roughness:Je,opacity:We})),Re.push(Ye)}else Ee[$e]||(r.createGeometry({id:$e,primitive:et.primitiveName,positionsCompressed:et.geometryPositions,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:_}),Ee[$e]=!0),r.createMesh(he.apply(Oe,{id:Ye,geometryId:$e,textureSetId:ze,matrix:qe,color:Ke,metallic:Xe,roughness:Je,opacity:We,origin:me})),Re.push(Ye)}else{var ct=void 0,At=void 0,ht=void 0,dt=void 0,pt=void 0,ft=void 0,vt=void 0,gt=!1;switch(y[Ve]){case 0:ct="solid",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(B[Ve],je?h.length:B[Ve+1]),dt=p.subarray(P[Ve],je?p.length:P[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 1:ct="surface",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(B[Ve],je?h.length:B[Ve+1]),dt=p.subarray(P[Ve],je?p.length:P[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 2:ct="points",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),pt=d.subarray(w[Ve],je?d.length:w[Ve+1]),gt=At.length>0;break;case 3:ct="lines",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),gt=At.length>0&&ft.length>0;break;case 4:ct="lines",ft=Kk(At=A.subarray(b[Ve],je?A.length:b[Ve+1]),f.subarray(x[Ve],je?f.length:x[Ve+1])),gt=At.length>0&&ft.length>0;break;default:continue}gt&&(r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:ct,positionsCompressed:At,normalsCompressed:ht,uv:dt&&dt.length>0?dt:null,colorsCompressed:pt,indices:ft,edgeIndices:vt,positionsDecodeMatrix:Me,color:Ke,metallic:Xe,roughness:Je,opacity:We})),Re.push(Ye))}}Re.length>0&&r.createEntity(he.apply(Ue,{id:Ie,isObject:!0,meshIds:Re}))}}}(e,t,a,r,s,n)}},Xk=re.vec4(),Jk=re.vec4();var Yk=function(){var e=new Float32Array(3);return function(t){return e[0]=t[0]/255,e[1]=t[1]/255,e[2]=t[2]/255,e}}();function Zk(e,t){var i=[];if(t.length>1)for(var r=0,s=t.length-1;r<s;r++)i.push(t[r]),i.push(t[r+1]);else if(e.length>1)for(var n=0,o=e.length/3-1;n<o;n++)i.push(n),i.push(n+1);return i}!function(){var e=document.createElement("canvas"),t=e.getContext("2d")}();var qk={version:11,parseArrayBuffer:function(e,t,i,r,s,n){var 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1:et.primitiveName="surface",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(B[Ve],je?h.length:B[Ve+1]),et.geometryUVs=p.subarray(P[Ve],je?p.length:P[Ve+1]),et.geometryIndices=f.subarray(x[Ve],je?f.length:x[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 2:et.primitiveName="points",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryColors=d.subarray(w[Ve],je?d.length:w[Ve+1]),tt=et.geometryPositions.length>0;break;case 3:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=f.subarray(x[Ve],je?f.length:x[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 4:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=Zk(et.geometryPositions,f.subarray(x[Ve],je?f.length:x[Ve+1])),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;default:continue}if(tt||(et=null),et&&(et.geometryPositions.length,et.batchThisMesh)){et.decompressedPositions=new Float32Array(et.geometryPositions.length),et.transformedAndRecompressedPositions=new Uint16Array(et.geometryPositions.length);for(var it=et.geometryPositions,rt=et.decompressedPositions,st=0,nt=it.length;st<nt;st+=3)rt[st+0]=it[st+0]*_[0]+_[12],rt[st+1]=it[st+1]*_[5]+_[13],rt[st+2]=it[st+2]*_[10]+_[14];et.geometryPositions=null,ye[$e]=et}}if(et)if(et.batchThisMesh){for(var ot=et.decompressedPositions,at=et.transformedAndRecompressedPositions,lt=0,ut=ot.length;lt<ut;lt+=3)Xk[0]=ot[lt+0],Xk[1]=ot[lt+1],Xk[2]=ot[lt+2],Xk[3]=1,re.transformVec4(qe,Xk,Jk),ur.compressPosition(Jk,_e,Xk),at[lt+0]=Xk[0],at[lt+1]=Xk[1],at[lt+2]=Xk[2];r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:et.primitiveName,positionsCompressed:at,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:Me,color:Ke,metallic:Xe,roughness:Je,opacity:We})),Re.push(Ye)}else 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1:ct="surface",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(B[Ve],je?h.length:B[Ve+1]),dt=p.subarray(P[Ve],je?p.length:P[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 2:ct="points",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),pt=d.subarray(w[Ve],je?d.length:w[Ve+1]),gt=At.length>0;break;case 3:ct="lines",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),gt=At.length>0&&ft.length>0;break;case 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i={},r=t.includeTypes||this._includeTypes,s=t.excludeTypes||this._excludeTypes,n=t.objectDefaults||this._objectDefaults;if(i.reuseGeometries=null!==t.reuseGeometries&&void 0!==t.reuseGeometries?t.reuseGeometries:!1!==this._reuseGeometries,r){i.includeTypesMap={};for(var o=0,a=r.length;o<a;o++)i.includeTypesMap[r[o]]=!0}if(s){i.excludeTypesMap={};for(var l=0,u=s.length;l<u;l++)i.excludeTypesMap[s[l]]=!0}n&&(i.objectDefaults=n),i.excludeUnclassifiedObjects=void 0!==t.excludeUnclassifiedObjects?!!t.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==t.globalizeObjectIds&&null!==t.globalizeObjectIds?!!t.globalizeObjectIds:this._globalizeObjectIds;var c=new nd(this.viewer.scene,he.apply(t,{isModel:!0,textureTranscoder:this._textureTranscoder,maxGeometryBatchSize:this._maxGeometryBatchSize,origin:t.origin,disableVertexWelding:t.disableVertexWelding||!1,disableIndexRebucketing:t.disableIndexRebucketing||!1,dtxEnabled:t.dtxEnabled,renderOrder:t.renderOrder})),A=c.id,h=new ef({metaScene:this.viewer.metaScene,id:A});this.viewer.scene.canvas.spinner.processes++;var d=function(){c.destroyed||(c.finalize(),h.finalize(),e.viewer.scene.canvas.spinner.processes--,c.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(h.id)})),e.scheduleTask((function(){c.destroyed||(c.scene.fire("modelLoaded",c.id),c.fire("loaded",!0,!1))})))},p=function(t){e.viewer.scene.canvas.spinner.processes--,e.error(t),c.fire("error",t)},f=0,v={getNextId:function(){return"".concat(A,".").concat(f++)}};if(t.metaModelSrc||t.metaModelData)if(t.metaModelSrc){var g=t.metaModelSrc;this._dataSource.getMetaModel(g,(function(n){c.destroyed||(h.loadData(n,{includeTypes:r,excludeTypes:s,globalizeObjectIds:i.globalizeObjectIds}),t.src?e._loadModel(t.src,i,c,null,v,d,p):(e._parseModel(t.xkt,i,c,null,v),d()))}),(function(e){p("load(): Failed to load model metadata for model '".concat(A," from  '").concat(g,"' - ").concat(e))}))}else t.metaModelData&&(h.loadData(t.metaModelData,{includeTypes:r,excludeTypes:s,globalizeObjectIds:i.globalizeObjectIds}),t.src?this._loadModel(t.src,i,c,null,v,d,p):(this._parseModel(t.xkt,i,c,null,v),d()));else if(t.src)this._loadModel(t.src,i,c,h,v,d,p);else if(t.xkt)this._parseModel(t.xkt,i,c,h,v),d();else if(t.manifestSrc||t.manifest){var m=t.manifestSrc?tI(t.manifestSrc):"",_=function(t,n,o){var a=0;!function l(){c.destroyed||a>=t.length?n():e._dataSource.getMetaModel("".concat(m).concat(t[a]),(function(t){h.loadData(t,{includeTypes:r,excludeTypes:s,globalizeObjectIds:i.globalizeObjectIds}),a++,e.scheduleTask(l,200)}),o)}()},y=function(t,r,s){var n=0;!function o(){c.destroyed||n>=t.length?r():e._dataSource.getXKT("".concat(m).concat(t[n]),(function(t){e._parseModel(t,i,c,null,v),c.preFinalize(),n++,e.scheduleTask(o,200)}),s)}()},b=function(t,r,s){var n=0;!function o(){c.destroyed||n>=t.length?r():e._dataSource.getXKT("".concat(m).concat(t[n]),(function(t){e._parseModel(t,i,c,h,v),c.preFinalize(),n++,e.scheduleTask(o,200)}),s)}()};if(t.manifest){var B=t.manifest,w=B.xktFiles;if(!w||0===w.length)return void p("load(): Failed to load model manifest - manifest not valid");var P=B.metaModelFiles;P?_(P,(function(){y(w,d,p)}),p):b(w,d,p)}else this._dataSource.getManifest(t.manifestSrc,(function(e){if(!c.destroyed){var t=e.xktFiles;if(t&&0!==t.length){var 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s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getIFC(t.src,(function(e){s._parseModel(e,t,i,r),n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){if(!r.destroyed){var s=t.stats||{};if(s.sourceFormat="IFC",s.schemaVersion="",s.title="",s.author="",s.created="",s.numMetaObjects=0,s.numPropertySets=0,s.numObjects=0,s.numGeometries=0,s.numTriangles=0,s.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";var n=new Uint8Array(e),o=this._ifcAPI.OpenModel(n),a=this._ifcAPI.GetModelSchema(o),l=this._ifcAPI.GetLineIDsWithType(o,this._webIFC.IFCPROJECT).get(0),u=!1!==t.loadMetadata,c={modelID:o,modelSchema:a,sceneModel:r,loadMetadata:u,metadata:u?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:s};if(u){if(i.includeTypes){c.includeTypes={};for(var A=0,h=i.includeTypes.length;A<h;A++)c.includeTypes[i.includeTypes[A]]=!0}if(i.excludeTypes){c.excludeTypes={};for(var d=0,p=i.excludeTypes.length;d<p;d++)c.excludeTypes[i.excludeTypes[d]]=!0}this._parseMetaObjects(c),this._parsePropertySets(c)}if(this._parseGeometry(c),r.finalize(),u){var f=r.id;this.viewer.metaScene.createMetaModel(f,c.metadata,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))}))}}},{key:"_parseMetaObjects",value:function(e){var t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}},{key:"_parseSpatialChildren",value:function(e,t,i){var r=this._ifcAPI.GetNameFromTypeCode(t.type);if((!e.includeTypes||e.includeTypes[r])&&(!e.excludeTypes||!e.excludeTypes[r])){this._createMetaObject(e,t,i);var s=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,s),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,s)}}},{key:"_createMetaObject",value:function(e,t,i){var r=t.GlobalId.value,s=this._ifcAPI.GetNameFromTypeCode(t.type),n={id:r,name:t.Name&&""!==t.Name.value?t.Name.value:s,type:s,parent:i};e.metadata.metaObjects.push(n),e.metaObjects[r]=n,e.stats.numMetaObjects++}},{key:"_parseRelatedItemsOfType",value:function(e,t,i,r,s,n){for(var o=this,a=this._ifcAPI.GetLineIDsWithType(e.modelID,s),l=0;l<a.size();l++){var u=a.get(l),c=this._ifcAPI.GetLine(e.modelID,u),A=c[i],h=!1;if(Array.isArray(A))h=A.map((function(e){return e.value})).includes(t);else h=A.value===t;if(h){var d=c[r];if(Array.isArray(d))d.forEach((function(t){var i=o._ifcAPI.GetLine(e.modelID,t.value);o._parseSpatialChildren(e,i,n)}));else{var p=this._ifcAPI.GetLine(e.modelID,d.value);this._parseSpatialChildren(e,p,n)}}}}},{key:"_parsePropertySets",value:function(e){for(var t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES),i=0;i<t.size();i++){var r=t.get(i),s=this._ifcAPI.GetLine(e.modelID,r,!0);if(s){var n=s.RelatingPropertyDefinition;if(!n)continue;var o=n.GlobalId.value,a=n.HasProperties;if(a&&a.length>0){for(var l=n.Name.value,u=[],c=0,A=a.length;c<A;c++){var h=a[c],d=h.Name,p=h.NominalValue;if(d&&p){var f={name:d.value,type:p.type,value:p.value,valueType:p.valueType};h.Description?f.description=h.Description.value:p.description&&(f.description=p.description),u.push(f)}}var v={id:o,type:"Default",name:l,properties:u};e.metadata.propertySets.push(v),e.stats.numPropertySets++;var g=s.RelatedObjects;if(!g||0===g.length)return;for(var m=0,_=g.length;m<_;m++){var y=g[m].GlobalId.value,b=e.metaObjects[y];b&&(b.propertySetIds||(b.propertySetIds=[]),b.propertySetIds.push(o))}}}}}},{key:"_parseGeometry",value:function(e){var t=this;this._ifcAPI.StreamAllMeshes(e.modelID,(function(i){var r=i.expressID,s=i.geometries,n=[],o=t._ifcAPI.GetLine(e.modelID,r).GlobalId.value;if(e.loadMetadata){var a=o,l=e.metaObjects[a];if(e.includeTypes&&(!l||!e.includeTypes[l.type]))return;if(e.excludeTypes&&(!l||e.excludeTypes[l.type]))return}for(var u=re.mat4(),c=re.vec3(),A=0,h=s.size();A<h;A++){for(var d=s.get(A),p=t._ifcAPI.GetGeometry(e.modelID,d.geometryExpressID),f=t._ifcAPI.GetVertexArray(p.GetVertexData(),p.GetVertexDataSize()),v=t._ifcAPI.GetIndexArray(p.GetIndexData(),p.GetIndexDataSize()),g=new Float64Array(f.length/2),m=new Float32Array(f.length/2),_=0,y=0,b=f.length/6;_<b;_++,y+=3)g[y+0]=f[6*_+0],g[y+1]=f[6*_+1],g[y+2]=f[6*_+2];u.set(d.flatTransformation),re.transformPositions3(u,g);var B=We(g,g,c);if(!e.options.autoNormals)for(var w=0,P=0,x=f.length/6;w<x;w++,P+=3)m[P+0]=f[6*w+3],m[P+1]=f[6*w+4],m[P+2]=f[6*w+5];e.stats.numGeometries++,e.stats.numVertices+=g.length/3,e.stats.numTriangles+=v.length/3;var C="mesh"+e.nextId++;e.sceneModel.createMesh({id:C,primitive:"triangles",origin:B?c:null,positions:g,normals:e.options.autoNormals?null:m,indices:v,color:[d.color.x,d.color.y,d.color.z],opacity:d.color.w}),n.push(C)}var M=e.options.globalizeObjectIds?re.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:M,meshIds:n,isObject:!0}),e.stats.numObjects++}))}}]),i}(),_I=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getLAS",value:function(e,t,i){e=this._cacheBusterURL(e);var r=function(){};t=t||r,i=i||r;var s=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(s){var n=!!s[2],o=s[3];o=window.decodeURIComponent(o),n&&(o=window.atob(o));try{for(var a=new ArrayBuffer(o.length),l=new Uint8Array(a),u=0;u<o.length;u++)l[u]=o.charCodeAt(u);t(a)}catch(e){i(e)}}else{var c=new XMLHttpRequest;c.open("GET",e,!0),c.responseType="arraybuffer",c.onreadystatechange=function(){4===c.readyState&&(200===c.status?t(c.response):i("getXKT error : "+c.response))},c.send(null)}}}]),e}(),yI={name:"LAS",id:"las",module:"las",version:"3.2.6",worker:!0,extensions:["las","laz"],mimeTypes:["application/octet-stream"],text:!0,binary:!0,tests:["LAS"],options:{las:{shape:"mesh",fp64:!1,skip:1,colorDepth:8}}},bI=[{item:"FileSignature",format:"char",size:4},{item:"FileSoureceID",format:"uShort",size:2},{item:"GlobalEncoding",format:"uShort",size:2},{item:"ProjectID1",format:"notUsed",size:4},{item:"ProjectID2",format:"notUsed",size:2},{item:"ProjectID3",format:"notUsed",size:2},{item:"ProjectID4",format:"notUsed",size:8},{item:"VersionMajor",format:"uChar",size:1},{item:"VersionMinor",format:"uChar",size:1},{item:"SystemIdentifier",format:"char",size:32},{item:"GeneratingSoftware",format:"char",size:32},{item:"CreationDay",format:"uShort",size:2},{item:"CreationYear",format:"uShort",size:2},{item:"HeaderSize",format:"uShort",size:2},{item:"OffsetToPointData",format:"uLong",size:4},{item:"NumberOfVariableLengthRecords",format:"uLong",size:4},{item:"PointDataFormatID",format:"uChar",size:1},{item:"PointDataRecordLength",format:"uShort",size:2},{item:"NumberOfPoints",format:"uLong",size:4},{item:"NumberOfPointByReturn",format:"uLong",size:20},{item:"ScaleFactorX",format:"double",size:8},{item:"ScaleFactorY",format:"double",size:8},{item:"ScaleFactorZ",format:"double",size:8},{item:"OffsetX",format:"double",size:8},{item:"OffsetY",format:"double",size:8},{item:"OffsetZ",format:"double",size:8},{item:"MaxX",format:"double",size:8},{item:"MinX",format:"double",size:8},{item:"MaxY",format:"double",size:8},{item:"MinY",format:"double",size:8},{item:"MaxZ",format:"double",size:8},{item:"MinZ",format:"double",size:8}],BI=[{item:"Reserved",format:"uShort",size:2},{item:"UserId",format:"char",size:16},{item:"RecordId",format:"uShort",size:2},{item:"RecordLengthAfterHeader",format:"uShort",size:2},{item:"Description",format:"char",size:32}],wI=function(e){var t=0,i=0,r=0,s=new DataView(e),n=new Uint8Array(6e3),o=function(r){var n,o,a=r.item,l=r.format,u=r.size;switch(l){case"char":return o=new Uint8Array(e,t,u),t+=u,[a,n=xI(o)];case"uShort":return n=s.getUint16(t,!0),t+=u,[a,n];case"uLong":return n=s.getUint32(t,!0),"NumberOfVariableLengthRecords"===a&&(i=n),t+=u,[a,n];case"uChar":return n=s.getUint8(t),t+=u,[a,n];case"double":return n=s.getFloat64(t,!0),t+=u,[a,n];default:t+=u}};return function(){var e={};bI.forEach((function(t){var i=o(l({},t));if(void 0!==i){if("FileSignature"===i[0]&&"LASF"!==i[1])throw new Error("Ivalid FileSignature. Is this a LAS/LAZ file");e[i[0]]=i[1]}}));for(var s=[],a=i,u=function(){var e={};BI.forEach((function(i){var s=o(l({},i));e[s[0]]=s[1],"UserId"===s[0]&&"LASF_Projection"===s[1]&&(r=t-18+54)})),s.push(e)};a--;)u();var c=function(e){if(void 0!==e){for(var t=r+e.RecordLengthAfterHeader,i=n.slice(r,t),s=PI(i),o=new DataView(s),a=6,l=Number(o.getUint16(a,!0)),u=[];l--;){var c={};c.key=o.getUint16(a+=2,!0),c.tiffTagLocation=o.getUint16(a+=2,!0),c.count=o.getUint16(a+=2,!0),c.valueOffset=o.getUint16(a+=2,!0),u.push(c)}var A=u.find((function(e){return 3072===e.key}));if(A&&A.hasOwnProperty("valueOffset"))return A.valueOffset}}(s.find((function(e){return"LASF_Projection"===e.UserId})));return c&&(e.epsg=c),e}()},PI=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),r=0;r<e.length;++r)i[r]=e[r];return t},xI=function(e){var t="";return e.forEach((function(e){var i=String.fromCharCode(e);"\0"!==i&&(t+=i)})),t.trim()},CI=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"lasLoader",e,s)).dataSource=s.dataSource,r.skip=s.skip,r.fp64=s.fp64,r.colorDepth=s.colorDepth,r.center=s.center,r.rotate=s.rotate,r.rotateX=s.rotateX,r.transform=s.transform,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new _I}},{key:"skip",get:function(){return this._skip},set:function(e){this._skip=e||1}},{key:"fp64",get:function(){return this._fp64},set:function(e){this._fp64=!!e}},{key:"colorDepth",get:function(){return this._colorDepth},set:function(e){this._colorDepth=e||"auto"}},{key:"center",get:function(){return this._center},set:function(e){this._center=!!e}},{key:"transform",get:function(){return this._transform},set:function(e){this._transform=e}},{key:"rotate",get:function(){return this._rotate},set:function(e){this._rotate=e}},{key:"rotateX",get:function(){return this._rotateX},set:function(e){this._rotateX=e}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new nd(this.viewer.scene,he.apply(t,{maxGeometryBatchSize:5e5,isModel:!0}));if(!t.src&&!t.las)return this.error("load() param expected: src or las"),i;var r={las:{skip:this._skip,fp64:this._fp64,colorDepth:this._colorDepth}};if(t.src)this._loadModel(t.src,t,r,i);else{var s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(t.las,t,r,i).then((function(){s.processes--}),(function(t){s.processes--,e.error(t),i.fire("error",t)}))}return i}},{key:"_loadModel",value:function(e,t,i,r){var s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getLAS(t.src,(function(e){s._parseModel(e,t,i,r).then((function(){n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){var s=this,n=function(e){var t=e.value;if(s._center){for(var i=re.vec3(),r=t.length,n=0,o=t.length;n<o;n+=3)i[0]+=t[n+0],i[1]+=t[n+1],i[2]+=t[n+2];i[0]/=r,i[1]/=r,i[2]/=r;for(var a=0,l=t.length;a<l;a+=3)t[a+0]-=i[0],t[a+1]-=i[1],t[a+2]-=i[2]}if(s._rotateX&&t)for(var u=0,c=t.length;u<c;u+=3){var A=t[u+1];t[u+1]=t[u+2],t[u+2]=A}if(s._rotate){var h=re.identityQuaternion(),d=re.mat4();re.eulerToQuaternion(s._rotate,"XYZ",h),re.quaternionToRotationMat4(h,d);for(var p=re.vec3(),f=0,v=t.length;f<v;f+=3)p[0]=t[f+0],p[1]=t[f+1],p[2]=t[f+2],re.transformPoint3(d,p,p),t[f+0]=p[0],t[f+1]=p[1],t[f+2]=p[2]}if(s._transform)for(var g=re.mat4(s._transform),m=re.vec3(),_=0,y=t.length;_<y;_+=3)m[0]=t[_+0],m[1]=t[_+1],m[2]=t[_+2],re.transformPoint3(g,m,m),t[_+0]=m[0],t[_+1]=m[1],t[_+2]=m[2];return t};function o(e,t){for(var i=e.value,r=e.size,s=t.value,n=4*s.length,o=new Uint8Array(n),a=0,l=0,u=0,c=s.length;a<c;a++,u+=r,l+=4)o[l+0]=i[u+0],o[l+1]=i[u+1],o[l+2]=i[u+2],o[l+3]=Math.round(s[a]/65536*255);return o}function a(e){for(var t=e.value,i=4*t.length,r=new Uint8Array(i),s=0,n=0,o=t.length;s<o;s++,n+=4)r[n+0]=0,r[n+1]=0,r[n+2]=0,r[n+3]=Math.round(t[s]/65536*255);return r}return new Promise((function(l,u){if(r.destroyed)u();else{var c=t.stats||{};c.sourceFormat="LAS",c.schemaVersion="",c.title="",c.author="",c.created="",c.numMetaObjects=0,c.numPropertySets=0,c.numObjects=0,c.numGeometries=0,c.numTriangles=0,c.numVertices=0;try{var A=wI(e);sx(e,yI,i).then((function(e){var c,h,d=e.attributes,p=e.loaderData,f=void 0!==p.pointsFormatId?p.pointsFormatId:-1;if(!d.POSITION)return r.finalize(),void u("No positions found in file");switch(f){case 0:c=n(d.POSITION),h=a(d.intensity);break;case 1:if(!d.intensity)return r.finalize(),void u("No positions found in file");c=n(d.POSITION),h=a(d.intensity);break;case 2:case 3:if(!d.intensity)return r.finalize(),void u("No positions found in file");c=n(d.POSITION),h=o(d.COLOR_0,d.intensity)}for(var v=MI(c,15e5),g=MI(h,2e6),m=[],_=0,y=v.length;_<y;_++){var b="pointsMesh".concat(_);m.push(b),r.createMesh({id:b,primitive:"points",positions:v[_],colorsCompressed:_<g.length?g[_]:null})}var B=t.entityId||re.createUUID();if(r.createEntity({id:B,meshIds:m,isObject:!0}),r.finalize(),t.metaModelJSON){var w=r.id;s.viewer.metaScene.createMetaModel(w,t.metaModelJSON,i)}else if(!1!==t.loadMetadata){var P=re.createUUID(),x={projectId:"",author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[{id:P,name:"Model",type:"Model"},{id:B,name:"PointCloud (LAS)",type:"PointCloud",parent:P,attributes:A||{}}],propertySets:[]},C=r.id;s.viewer.metaScene.createMetaModel(C,x,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))})),l()}))}catch(e){r.finalize(),u(e)}}}))}}]),i}();function MI(e,t){if(t>=e.length)return[e];for(var i=[],r=0;r<e.length;r+=t)i.push(e.slice(r,r+t));return i}var EI=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getCityJSON",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}}]),e}();function FI(e,t,i){i=i||2;var r,s,n,o,a,l,u,c=t&&t.length,A=c?t[0]*i:e.length,h=kI(e,0,A,i,!0),d=[];if(!h||h.next===h.prev)return d;if(c&&(h=function(e,t,i,r){var 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GI(e,t,i){return(t.y-e.y)*(i.x-t.x)-(t.x-e.x)*(i.y-t.y)}function zI(e,t){return e.x===t.x&&e.y===t.y}function KI(e,t,i,r){var s=XI(GI(e,t,i)),n=XI(GI(e,t,r)),o=XI(GI(i,r,e)),a=XI(GI(i,r,t));return s!==n&&o!==a||(!(0!==s||!WI(e,i,t))||(!(0!==n||!WI(e,r,t))||(!(0!==o||!WI(i,e,r))||!(0!==a||!WI(i,t,r)))))}function WI(e,t,i){return t.x<=Math.max(e.x,i.x)&&t.x>=Math.min(e.x,i.x)&&t.y<=Math.max(e.y,i.y)&&t.y>=Math.min(e.y,i.y)}function XI(e){return e>0?1:e<0?-1:0}function JI(e,t){return GI(e.prev,e,e.next)<0?GI(e,t,e.next)>=0&&GI(e,e.prev,t)>=0:GI(e,t,e.prev)<0||GI(e,e.next,t)<0}function YI(e,t){var i=new $I(e.i,e.x,e.y),r=new $I(t.i,t.x,t.y),s=e.next,n=t.prev;return e.next=t,t.prev=e,i.next=s,s.prev=i,r.next=i,i.prev=r,n.next=r,r.prev=n,r}function ZI(e,t,i,r){var s=new $I(e,t,i);return r?(s.next=r.next,s.prev=r,r.next.prev=s,r.next=s):(s.prev=s,s.next=s),s}function qI(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function $I(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function eD(e,t,i,r){for(var s=0,n=t,o=i-r;n<i;n+=r)s+=(e[o]-e[n])*(e[n+1]+e[o+1]),o=n;return s}FI.deviation=function(e,t,i,r){var s=t&&t.length,n=s?t[0]*i:e.length,o=Math.abs(eD(e,0,n,i));if(s)for(var a=0,l=t.length;a<l;a++){var u=t[a]*i,c=a<l-1?t[a+1]*i:e.length;o-=Math.abs(eD(e,u,c,i))}var A=0;for(a=0;a<r.length;a+=3){var h=r[a]*i,d=r[a+1]*i,p=r[a+2]*i;A+=Math.abs((e[h]-e[p])*(e[d+1]-e[h+1])-(e[h]-e[d])*(e[p+1]-e[h+1]))}return 0===o&&0===A?0:Math.abs((A-o)/o)},FI.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},r=0,s=0;s<e.length;s++){for(var n=0;n<e[s].length;n++)for(var o=0;o<t;o++)i.vertices.push(e[s][n][o]);s>0&&(r+=e[s-1].length,i.holes.push(r))}return i};var tD=re.vec2(),iD=re.vec3(),rD=re.vec3(),sD=re.vec3(),nD=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"cityJSONLoader",e,s)).dataSource=s.dataSource,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new EI}},{key:"load",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new nd(this.viewer.scene,he.apply(e,{isModel:!0,edges:!0}));if(!e.src&&!e.cityJSON)return this.error("load() param expected: src or cityJSON"),t;var i={};if(e.src)this._loadModel(e.src,e,i,t);else{var r=this.viewer.scene.canvas.spinner;r.processes++,this._parseModel(e.cityJSON,e,i,t),r.processes--}return t}},{key:"_loadModel",value:function(e,t,i,r){var s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getCityJSON(t.src,(function(e){s._parseModel(e,t,i,r),n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){if(!r.destroyed){var s=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,n=t.stats||{};n.sourceFormat=e.type||"CityJSON",n.schemaVersion=e.version||"",n.title="",n.author="",n.created="",n.numMetaObjects=0,n.numPropertySets=0,n.numObjects=0,n.numGeometries=0,n.numTriangles=0,n.numVertices=0;var o=!1!==t.loadMetadata,a=o?{id:re.createUUID(),name:"Model",type:"Model"}:null,l=o?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,u={data:e,vertices:s,sceneModel:r,loadMetadata:o,metadata:l,rootMetaObject:a,nextId:0,stats:n};if(this._parseCityJSON(u),r.finalize(),o){var c=r.id;this.viewer.metaScene.createMetaModel(c,u.metadata,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))}))}}},{key:"_transformVertices",value:function(e,t,i){for(var r=[],s=t.scale||re.vec3([1,1,1]),n=t.translate||re.vec3([0,0,0]),o=0,a=0;o<e.length;o++,a+=3){var l=e[o][0]*s[0]+n[0],u=e[o][1]*s[1]+n[1],c=e[o][2]*s[2]+n[2];i?r.push([l,c,u]):r.push([l,u,c])}return r}},{key:"_parseCityJSON",value:function(e){var t=e.data.CityObjects;for(var i in t)if(t.hasOwnProperty(i)){var r=t[i];this._parseCityObject(e,r,i)}}},{key:"_parseCityObject",value:function(e,t,i){var r=e.sceneModel,s=e.data;if(e.loadMetadata){var n=i,o=t.type,a=o+" : "+i,l=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:n,name:a,type:o,parent:l})}if(e.stats.numMetaObjects++,t.geometry&&t.geometry.length>0){for(var u=[],c=0,A=t.geometry.length;c<A;c++){var h=t.geometry[c],d=void 0,p=void 0,f=s.appearance;if(f){var v=f.materials;if(v){var g=h.material;if(g){var m=Object.keys(g);if(m.length>0){var _=g[m[0]];if(void 0!==_.value)d=v[_.value];else{var y=_.values;if(y){p=[];for(var b=0,B=y.length;b<B;b++){var w=v[y[c]];p.push(w)}}}}}}}p?this._parseGeometrySurfacesWithOwnMaterials(e,h,p,u):this._parseGeometrySurfacesWithSharedMaterial(e,h,d,u)}u.length>0&&(r.createEntity({id:i,meshIds:u,isObject:!0}),e.stats.numObjects++)}}},{key:"_parseGeometrySurfacesWithOwnMaterials",value:function(e,t,i,r){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":var s=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,s,r);break;case"Solid":for(var n=t.boundaries,o=0;o<n.length;o++){var a=n[o];this._parseSurfacesWithOwnMaterials(e,i,a,r)}break;case"MultiSolid":case"CompositeSolid":for(var l=t.boundaries,u=0;u<l.length;u++)for(var c=0;c<l[u].length;c++){var A=l[u][c];this._parseSurfacesWithOwnMaterials(e,i,A,r)}}}},{key:"_parseSurfacesWithOwnMaterials",value:function(e,t,i,r){for(var s=e.vertices,n=e.sceneModel,o=0;o<i.length;o++){for(var a=i[o],l=t[o]||{diffuseColor:[.8,.8,.8],transparency:1},u=[],c=[],h=[],d={positions:[],indices:[]},p=0;p<a.length;p++){u.length>0&&c.push(u.length);var f=this._extractLocalIndices(e,a[p],h,d);u.push.apply(u,A(f))}if(3===u.length)d.indices.push(u[0]),d.indices.push(u[1]),d.indices.push(u[2]);else if(u.length>3){for(var v=[],g=0;g<u.length;g++)v.push({x:s[h[u[g]]][0],y:s[h[u[g]]][1],z:s[h[u[g]]][2]});for(var m=this._getNormalOfPositions(v,re.vec3()),_=[],y=0;y<v.length;y++)this._to2D(v[y],m,tD),_.unshift(tD[0]),_.unshift(tD[1]);for(var b=FI(_,c,2),B=0;B<b.length;B+=3)d.indices.unshift(u[b[B]]),d.indices.unshift(u[b[B+1]]),d.indices.unshift(u[b[B+2]])}var w=""+e.nextId++;n.createMesh({id:w,primitive:"triangles",positions:d.positions,indices:d.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),r.push(w),e.stats.numGeometries++,e.stats.numVertices+=d.positions.length/3,e.stats.numTriangles+=d.indices.length/3}}},{key:"_parseGeometrySurfacesWithSharedMaterial",value:function(e,t,i,r){var s=e.sceneModel,n=[],o={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":var a=t.boundaries;this._parseSurfacesWithSharedMaterial(e,a,n,o);break;case"Solid":for(var l=t.boundaries,u=0;u<l.length;u++){var c=l[u];this._parseSurfacesWithSharedMaterial(e,c,n,o)}break;case"MultiSolid":case"CompositeSolid":for(var A=t.boundaries,h=0;h<A.length;h++)for(var d=0;d<A[h].length;d++){var p=A[h][d];this._parseSurfacesWithSharedMaterial(e,p,n,o)}}if(o.positions.length>0&&o.indices.length>0){var f=""+e.nextId++;s.createMesh({id:f,primitive:"triangles",positions:o.positions,indices:o.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),r.push(f),e.stats.numGeometries++,e.stats.numVertices+=o.positions.length/3,e.stats.numTriangles+=o.indices.length/3}}},{key:"_parseSurfacesWithSharedMaterial",value:function(e,t,i,r){for(var s=e.vertices,n=0;n<t.length;n++){for(var o=[],a=[],l=0;l<t[n].length;l++){o.length>0&&a.push(o.length);var u=this._extractLocalIndices(e,t[n][l],i,r);o.push.apply(o,A(u))}if(3===o.length)r.indices.push(o[0]),r.indices.push(o[1]),r.indices.push(o[2]);else if(o.length>3){for(var c=[],h=0;h<o.length;h++)c.push({x:s[i[o[h]]][0],y:s[i[o[h]]][1],z:s[i[o[h]]][2]});for(var d=this._getNormalOfPositions(c,re.vec3()),p=[],f=0;f<c.length;f++)this._to2D(c[f],d,tD),p.unshift(tD[0]),p.unshift(tD[1]);for(var v=FI(p,a,2),g=0;g<v.length;g+=3)r.indices.unshift(o[v[g]]),r.indices.unshift(o[v[g+1]]),r.indices.unshift(o[v[g+2]])}}}},{key:"_extractLocalIndices",value:function(e,t,i,r){for(var s=e.vertices,n=[],o=0,a=t.length;o<a;o++){var l=t[o];if(i.includes(l)){var u=i.indexOf(l);n.push(u)}else r.positions.push(s[l][0]),r.positions.push(s[l][1]),r.positions.push(s[l][2]),n.push(i.length),i.push(l)}return n}},{key:"_getNormalOfPositions",value:function(e,t){for(var i=0;i<e.length;i++){var r=i+1;r===e.length&&(r=0),t[0]+=(e[i].y-e[r].y)*(e[i].z+e[r].z),t[1]+=(e[i].z-e[r].z)*(e[i].x+e[r].x),t[2]+=(e[i].x-e[r].x)*(e[i].y+e[r].y)}return re.normalizeVec3(t)}},{key:"_to2D",value:function(e,t,i){var r=iD,s=rD,n=sD;r[0]=e.x,r[1]=e.y,r[2]=e.z,s[0]=t.x,s[1]=t.y,s[2]=t.z,n[0]=1.1,n[1]=1.1,n[2]=1.1,re.lenVec3(re.subVec3(n,s))<.01&&(n[0]+=1,n[1]+=2,n[2]+=3);var o=re.dotVec3(n,s),a=re.mulVec3Scalar(s,o,re.vec3());n[0]-=a[0],n[1]-=a[1],n[2]-=a[2],re.normalizeVec3(n);var l=re.cross3Vec3(s,n,re.vec3()),u=re.dotVec3(r,n),c=re.dotVec3(r,l);i[0]=u,i[1]=c}}]),i}(),oD=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getDotBIM",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}}]),e}(),aD=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"DotBIMLoader",e,s)).dataSource=s.dataSource,r.objectDefaults=s.objectDefaults,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new oD}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||iF}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new nd(this.viewer.scene,he.apply(t,{isModel:!0,backfaces:t.backfaces,dtxEnabled:t.dtxEnabled,rotation:t.rotation,origin:t.origin})),r=i.id;if(!t.src&&!t.dotBIM)return this.error("load() param expected: src or dotBIM"),i;var s,n,o=t.objectDefaults||this._objectDefaults||iF;if(t.includeTypes){s={};for(var a=0,l=t.includeTypes.length;a<l;a++)s[t.includeTypes[a]]=!0}if(t.excludeTypes){n={},s||(s={});for(var u=0,h=t.excludeTypes.length;u<h;u++)s[t.excludeTypes[u]]=!0}var d=function(t){for(var i=t.fileData,a=t.sceneModel,l={},u=re.createUUID(),h=re.createUUID(),d=re.createUUID(),p=re.createUUID(),f={metaObjects:[{id:u,name:"Project",type:"Project",parent:null},{id:h,name:"Site",type:"Site",parent:u},{id:d,name:"Building",type:"Building",parent:h},{id:p,name:"BuildingStorey",type:"BuildingStorey",parent:d}],propertySets:[]},v=i.elements,g=function(e,t){var r=v[e],u=r.type;if(n&&n[u])return"continue";if(s&&!s[u])return"continue";var h=r.info,d=void 0!==r.guid?"".concat(r.guid):void 0!==h&&void 0!==h.id?h.id:e,g=r.mesh_id,m=r.vector,_=r.rotation,y=o?o[u]||o.DEFAULT:null,b=!0,B=!0;if(void 0===r.face_colors){!function(e,t){if(!l[e]){var r=i.meshes.find((function(e){return e.mesh_id===t.mesh_id}));a.createGeometry({id:e,primitive:"triangles",positions:r.coordinates,indices:r.indices}),l[e]=!0}}(g,r);var w="".concat(d,"-mesh"),P=r.color?[r.color.r/255,r.color.g/255,r.color.b/255]:[1,1,1],x=r.color?r.color.a/255:1;y&&(!1===y.visible&&(b=!1),!1===y.pickable&&(B=!1),y.colorize&&(P=y.colorize),void 0!==y.opacity&&null!==y.opacity&&(x=y.opacity)),a.createMesh({id:w,geometryId:g,color:P,opacity:x,quaternion:!_||0===_.qz&&0===_.qy&&0===_.qx&&1===_.qw?void 0:[_.qx,_.qy,_.qz,_.qw],position:m?[m.x,m.y,m.z]:void 0}),a.createEntity({id:d,meshIds:[w],visible:b,pickable:B,isObject:!0})}else{for(var C=r.face_colors,M={},E=0,F=i.meshes.find((function(e){return e.mesh_id===r.mesh_id})),k=0,I=C.length;k<I;k+=4){var D=[C[k],C[k+1],C[k+2],C[k+3]];void 0===M[D]&&(M[D]=[]);var S=F.indices[E],T=F.coordinates[3*S],R=F.coordinates[3*S+1],L=F.coordinates[3*S+2],U=F.indices[E+1],O=F.coordinates[3*U],N=F.coordinates[3*U+1],Q=F.coordinates[3*U+2],V=F.indices[E+2],H=F.coordinates[3*V],j=F.coordinates[3*V+1],G=F.coordinates[3*V+2];M[D].push(T,R,L,O,N,Q,H,j,G),E+=3}for(var z=[],K=0,W=Object.entries(M);K<W.length;K++){var X=c(W[K],2),J=X[0],Y=X[1];a.createGeometry({id:"".concat(g,"-").concat(J),primitive:"triangles",positions:Y,indices:A(Array(Y.length/3).keys())});var Z="".concat(d,"-mesh-").concat(J),q=J.split(",").map(Number),$=[q[0]/255,q[1]/255,q[2]/255],ee=q[3]/255;y&&(!1===y.visible&&(b=!1),!1===y.pickable&&(B=!1),y.colorize&&($=y.colorize),void 0!==y.opacity&&null!==y.opacity&&(ee=y.opacity)),a.createMesh({id:Z,geometryId:"".concat(g,"-").concat(J),color:$,opacity:ee,quaternion:!_||0===_.qz&&0===_.qy&&0===_.qx&&1===_.qw?void 0:[_.qx,_.qy,_.qz,_.qw],position:m?[m.x,m.y,m.z]:void 0}),z.push(Z)}a.createEntity({id:d,meshIds:z,visible:b,pickable:B,isObject:!0})}var te=[];for(var ie in h)te.push({name:ie,value:h[ie]});f.propertySets.push({id:d,name:"Properties",properties:te}),f.metaObjects.push({id:d,name:h&&h.Name&&"None"!==h.Name?h.Name:"".concat(r.type," ").concat(d),type:r.type,parent:p,propertySetIds:[d]})},m=0,_=v.length;m<_;m++)g(m);a.finalize(),e.viewer.metaScene.createMetaModel(r,f),a.scene.once("tick",(function(){a.destroyed||(a.scene.fire("modelLoaded",a.id),a.fire("loaded",!0,!1))}))};if(t.src){var p=t.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(p,(function(t){d({fileData:t,sceneModel:i,nextId:0,error:function(e){}}),e.viewer.scene.canvas.spinner.processes--}),(function(t){e.viewer.scene.canvas.spinner.processes--,e.error(t)}))}else if(t.dotBIM){var f={fileData:t.dotBIM,sceneModel:i,nextId:0,error:function(e){}};d(f)}return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this)}}]),i}(),lD=function(e){var t=function(t){return parseInt(e.substr(t+1,2),16)/255};return[t(0),t(2),t(4)]},uD=function(e){for(var t=[],i=0;i<e.length;++i)t.push(i);var r=function(){for(var i=re.vec2(),r=re.vec2(),s=0,n=0;n<t.length;++n){var o=e[t[n]],a=e[t[(n+1)%t.length]],l=e[t[(n+2)%t.length]];re.subVec2(o,a,i),re.subVec2(l,a,r);var u=re.dotVec2(i,r)/Math.sqrt(re.sqLenVec2(i)*re.sqLenVec2(r)),c=Math.acos(Math.max(-1,Math.min(u,1)));s+=i[0]*r[1]-i[1]*r[0]>=0?c:2*Math.PI-c}return s<t.length*Math.PI}(),s=function(){var e=function(e,t,i){return(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1])};return function(t,i,r,s){var n=e(t,i,r),o=e(t,r,s),a=e(t,s,i);return!((n<0||o<0||a<0)&&(n>0||o>0||a>0))}}(),n=[],o=(r?t:t.slice(0).reverse()).map((function(e){return{idx:e}}));o.forEach((function(e,t){e.prev=o[(t-1+o.length)%o.length],e.next=o[(t+1)%o.length]}));for(var a=re.vec2(),l=re.vec2();o.length>2;){for(var u=0,c=function(){if(u>=o.length)throw"isCCW = ".concat(r,"; earIdx = ").concat(u,"; len = ").concat(o.length);var t=o[u],i=e[t.prev.idx],n=e[t.idx],c=e[t.next.idx];if(re.subVec2(i,n,a),re.subVec2(c,n,l),a[0]*l[1]-a[1]*l[0]>=0&&o.every((function(r){return r===t||r===t.prev||r===t.next||!s(e[r.idx],i,n,c)})))return"break";++u};;){if("break"===c())break}var A=o[u];o.splice(u,1),n.push([A.idx,A.next.idx,A.prev.idx]),A.prev.next=A.next,A.next.prev=A.prev}return[e,n,r]},cD=function(e,t){var i=new Mt(e,{},e.canvas.canvas.parentNode,{borderColor:"white",fillColor:t,zIndex:100});return{update:function(e){e&&(i.worldPos=e),i.setVisible(!!e)},setHighlighted:function(e){return i.setHighlighted(e)},getCanvasPos:function(){return i.canvasPos},getWorldPos:function(){return i.worldPos},destroy:function(){return i.destroy()}}},AD=function(e,t,i){var r=null,s=function(s){if(s){r&&r.destroy();try{var n,o,a=uD(s.map((function(e){return[e[0],e[2]]}))),l=c(a,2),u=l[0],h=l[1],d=(n=[]).concat.apply(n,A(u.map((function(e){return[e[0],s[0][1],e[1]]})))),p=(o=[]).concat.apply(o,A(h));r=new Un(e,{pickable:!1,geometry:new hr(e,{positions:d,indices:p,normals:re.buildNormals(d,p)}),material:new gr(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:lD(t)})})}catch(e){r=null}}r&&(r.visible=!!s)};return s(null),{updateBase:s,destroy:function(){return r&&r.destroy()}}},hD=function(e,t){return function(i,r,s){var n=e.scene,o=n.canvas.canvas,a=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,wt(o.ownerDocument.documentElement,o,t),t},l=function(e){var i=re.vec3(),r=re.vec3();return re.canvasPosToWorldRay(o,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,i,r),t(i,r)},u=!1,c=function(){u=!1},A=function(){c(),o.removeEventListener("mousedown",d),o.removeEventListener("mousemove",p),e.cameraControl.off(f),o.removeEventListener("mouseup",v)},h=re.vec2(),d=function(e){1===e.which&&(a(e,h),u=!0)};o.addEventListener("mousedown",d);var p=function(e){var t=a(e,re.vec2());u&&re.distVec2(h,t)>20&&(c(),i())};o.addEventListener("mousemove",p);var f=e.cameraControl.on("rayMove",(function(e){var t=e.canvasPos;r(t,l(t))})),v=function(e){if(1===e.which&&u){A();var t=a(e,re.vec2());s(t,l(t))}};return o.addEventListener("mouseup",v),A}},dD=function(e,t,i,r){var s=-(re.dotVec3(i,t)-e)/re.dotVec3(r,t),n=re.vec3();return re.mulVec3Scalar(r,s,n),re.addVec3(i,n,n),n},pD=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";return r._eventSubs={},r.plugin.viewer.scene,r._geometry=s.geometry,s.onMouseOver,s.onMouseLeave,s.onContextMenu,r._alpha="alpha"in s&&void 0!==s.alpha?s.alpha:.5,r.color=s.color,r._visible=!0,r._rebuildMesh(),r}return C(i,[{key:"_rebuildMesh",value:function(){var e,t=this,i=this.plugin.viewer.scene,r=this._geometry.planeCoordinates.slice(),s=this._geometry.height<0,n=this._geometry.altitude+(s?this._geometry.height:0),o=this._geometry.height*(s?-1:1),a=c(uD(r),3),l=a[0],u=a[1],d=a[2],p=[],f=[],v=function(e){var t,i=p.length,r=h(l);try{for(r.s();!(t=r.n()).done;){var s=t.value;p.push([s[0],n+(e?o:0),s[1]])}}catch(e){r.e(e)}finally{r.f()}var a,c=h(u);try{for(c.s();!(a=c.n()).done;){var d=a.value;f.push.apply(f,A((e?d:d.slice(0).reverse()).map((function(e){return e+i}))))}}catch(e){c.e(e)}finally{c.f()}};v(!1),v(!0);for(var g=function(e){var t=l[e],i=l[(l.length+e+(d?1:-1))%l.length],r=n,s=n+o,a=p.length;p.push([t[0],r,t[1]],[i[0],r,i[1]],[i[0],s,i[1]],[t[0],s,t[1]]),f.push.apply(f,A([0,1,2,0,2,3].map((function(e){return e+a}))))},m=0;m<l.length;++m)g(m);this._zoneMesh&&this._zoneMesh.destroy();var _=function(e){return Math.min.apply(Math,A(p.map((function(t){return t[e]}))))},y=function(e){return Math.max.apply(Math,A(p.map((function(t){return t[e]}))))},b=_(0),B=_(1),w=_(2),P=y(0),x=y(1),C=y(2);this._center=re.vec3([(b+P)/2,(B+x)/2,(w+C)/2]);var M=(e=[]).concat.apply(e,A(p.map((function(e){return re.subVec3(e,t._center,e)}))));this._zoneMesh=new Un(i,{origin:this._center,edges:this._edges,geometry:new hr(i,{positions:M,indices:f,normals:re.buildNormals(M,f)}),material:new gr(i,{alpha:this._alpha,backfaces:!0,diffuse:lD(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;var E,F=re.vec2(),k=re.vec2(),I=0,D=h(u);try{for(D.s();!(E=D.n()).done;){var S=E.value,T=l[S[0]],R=l[S[1]],L=l[S[2]];re.subVec2(R,T,F),re.subVec2(L,T,k),I+=Math.abs(F[0]*k[1]-F[1]*k[0])}}catch(e){D.e(e)}finally{D.f()}this._baseArea=I/2,this._metrics=null}},{key:"baseArea",get:function(){return this._baseArea}},{key:"area",get:function(){return this._getMetrics().area}},{key:"volume",get:function(){return this._getMetrics().volume}},{key:"_getMetrics",value:function(){if(null===this._metrics){for(var e=0,t=0,i=this._zoneMesh.geometry,r=[re.vec3(),re.vec3(),re.vec3()],s=re.vec3(),n=0;n<i.indices.length;n+=3){for(var o=0;o<3;++o)for(var a=r[o],l=3*i.indices[n+o],u=0;u<3;++u)a[u]=i.positions[l+u];e+=re.dotVec3(r[0],re.cross3Vec3(r[1],r[2],s)),re.subVec3(r[1],r[0],r[1]),re.subVec3(r[2],r[0],r[2]),t+=re.lenVec3(re.cross3Vec3(r[1],r[2],s))}this._metrics={area:t/2,volume:e/6}}return this._metrics}},{key:"sectionedAverage",value:function(e){var t=this._geometry.planeCoordinates.slice(),i=[],r=this._geometry.height,s=this._geometry.altitude,n=s+Math.max(0,r),o=s+Math.min(0,r),a=function(e){var r=t.map((function(t){return[t[0],e?n:o,t[1]]}));i.push(e?r:r.slice(0).reverse())};a(!0),a(!1);for(var l=function(e,i){return[t[e][0],i,t[e][1]]},u=0;u<t.length;++u){var c=(u+1)%t.length;i.push([l(u,o),l(c,o),l(c,n),l(u,n)])}var A,d=h(e);try{for(d.s();!(A=d.n()).done;){var p,f=A.value,v=f.dir,g=f.dist,m=[],_=h(i);try{for(_.s();!(p=_.n()).done;){for(var y=p.value,b=1e-5,B=0,w=[],P=0;P<y.length;P++){var x=re.dotVec3(v,y[P])+g,C=x<-1e-5?2:x>b?1:0;B|=C,w.push(C)}switch(B){case 0:case 1:m.push(y);break;case 2:break;case 3:for(var M=[],E=0;E<y.length;E++){var F=(E+1)%y.length,k=w[E],I=w[F],D=y[E],S=y[F];if(2!==k&&M.push(D),3==(k|I)){var T=re.vec3();re.subVec3(S,D,T);var R=-(g+re.dotVec3(v,D))/re.dotVec3(v,T),L=[0,0,0];re.lerpVec3(R,0,1,D,S,L),M.push(L)}}M.length>=3&&m.push(M)}}}catch(e){_.e(e)}finally{_.f()}i=m}}catch(e){d.e(e)}finally{d.f()}if(0===i.length)return null;var U,O=re.vec3([0,0,0]),N=new Set,Q=h(i);try{for(Q.s();!(U=Q.n()).done;){var V,H=h(U.value);try{for(H.s();!(V=H.n()).done;){var j=V.value,G=j.map((function(e){return e.toFixed(3)})).join(":");N.has(G)||(N.add(G),re.addVec3(O,j,O))}}catch(e){H.e(e)}finally{H.f()}}}catch(e){Q.e(e)}finally{Q.f()}return re.mulVec3Scalar(O,1/N.size,O),O}},{key:"center",get:function(){return this._center}},{key:"altitude",get:function(){return this._geometry.altitude},set:function(e){this._geometry.altitude=e,this._rebuildMesh()}},{key:"height",get:function(){return this._geometry.height},set:function(e){this._geometry.height=e,this._rebuildMesh()}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=lD(this._color))}},{key:"alpha",get:function(){return this._alpha},set:function(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}},{key:"edges",get:function(){return this._edges},set:function(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}},{key:"getJSON",value:function(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}},{key:"duplicate",value:function(){return this.plugin.createZone({id:re.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((function(e){return e.slice()})),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}},{key:"destroy",value:function(){this._zoneMesh.destroy(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),fD=function(e){g(i,Ce);var t=_(i);function i(e,r,s){var n;return P(this,i),(n=t.call(this,e.viewer.scene)).zonesPlugin=e,n.pointerLens=r.pointerLens,n.createSelect3dPoint=s,n._deactivate=null,n}return C(i,[{key:"active",get:function(){return!!this._deactivate}},{key:"activate",value:function(e,t,i,r){if(!this._deactivate){if("object"===w(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=this.createSelect3dPoint(a,(function(t,i){return dD(e,re.vec3([0,1,0]),t,i)}));!function s(){var n=AD(l,i,r),a=function(e,t,i,r,s,n){var o=cD(e,t),a=cD(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:function(){},u=r((function(){l(null),o.update(null)}),(function(e,t){l(e),o.update(t)}),(function(e,t){o.update(t),u=r((function(){l(null),a.update(null),s(null)}),(function(e,i){l(e),a.update(i),s(re.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),o.destroy(),a.destroy(),l(null),n([t,i])}))}));return{deactivate:function(){u(),o.destroy(),a.destroy(),l(null)}}}(l,i,u.pointerLens,c,(function(e){if(e){var t=e[0],i=e[1],r=function(e){return Math.min(t[e],i[e])},s=function(e){return Math.max(t[e],i[e])},o=r(0),a=r(1),l=r(2),u=s(0);s(1);var c=s(2);n.updateBase([[o,a,c],[u,a,c],[u,a,l],[o,a,l]])}else n.updateBase(null)}),(function(a){n.destroy();var l=function(e,t,i,r,s,n,o){var a=function(i){return Math.min(e[i],t[i])},l=function(i){return Math.max(e[i],t[i])},u=a(0),c=a(2),A=l(0),h=l(2);return o.createZone({id:re.createUUID(),geometry:{planeCoordinates:[[u,h],[A,h],[A,c],[u,c]],altitude:i,height:r},alpha:n,color:s})}(a[0],a[1],e,t,i,r,o),c=!0;u._deactivate=function(){c=!1},u.fire("zoneEnd",l),c&&s()})).deactivate;u._deactivate=function(){a(),n.destroy()}}()}}},{key:"deactivate",value:function(){this._deactivate&&(this._deactivate(),this._deactivate=null)}},{key:"destroy",value:function(){this.deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),vD=function(e){g(i,fD);var t=_(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),t.call(this,e,r,(function(e,t){return hD(e,t)}))}return C(i)}(),gD=function(e){g(i,fD);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=new Le(e.viewer);return(r=t.call(this,e,s,(function(e,t){return Dt(e,n,t)}))).pointerCircle=n,r}return C(i,[{key:"destroy",value:function(){this.pointerCircle.destroy(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),mD=function(e){g(i,Ue);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"Zones",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._zones=[],r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:b(r),zone:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:b(r),zone:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:b(r),zone:t,event:e})},r}return C(i,[{key:"createZone",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=new pD(this,{id:t.id,plugin:this,container:this._container,geometry:t.geometry,alpha:t.alpha,color:t.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(i),i.on("destroyed",(function(){var t=e._zones.indexOf(i);t>=0&&e._zones.splice(t,1)})),this.fire("zoneCreated",i),i}},{key:"zones",get:function(){return this._zones}},{key:"destroy",value:function(){f(B(i.prototype),"destroy",this).call(this)}}]),i}(),_D=function(e,t,i,r,s,n,o,a,l){var u,c=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},A=[function(){return c(null)}],h=AD(e,r,s);return A.push((function(){return h.destroy()})),function n(d){var p=cD(e,r),f=d.length>0&&function(e,t,i){var r=new Ft(e,e.canvas.canvas.ownerDocument.body,{color:t,thickness:1,thicknessClickable:6});return r.setVisible(!1),{update:function(e){e&&r.setEnds(i,e),r.setVisible(!!e)},destroy:function(){return r.destroy()}}}(e,r,d[d.length-1].getWorldPos());A.push((function(){p.destroy(),f&&f.destroy()}));var v=d.length>0&&d[0],g=function(e){var t=v&&v.getCanvasPos();return t&&re.distVec2(t,e)<10&&{canvasPos:t,worldPos:v.getWorldPos()}},m=function(){var e=function(e,t,i){return t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1])},t=function(e,t,i){var r=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===r?0:r>0?1:2};return function(i,r){for(var s=i[i.length-2],n=i[i.length-1],o=r?1:0;o<i.length-2-1;++o){var a=i[o],l=i[o+1],u=t(s,n,a),c=t(s,n,l),A=t(a,l,s),h=t(a,l,n);if(u!==c&&A!==h||0===u&&e(s,a,n)||0===c&&e(s,l,n)||0===A&&e(a,s,l)||0===h&&e(a,n,l))return!0}return!1}}();u=a((function(){c(null),p.update(null),f&&f.update(null),h.updateBase(d.length>2?d.map((function(e){return e.getWorldPos()})):null)}),(function(e,t){var i=d.length>2&&g(e);if(v&&v.setHighlighted(!!i),c(i?i.canvasPos:e),p.update(!i&&t),f&&f.update(i?i.worldPos:t),d.length>=2){var r=d.map((function(e){return e.getWorldPos()})).concat(i?[]:[t]),s=m(r.map((function(e){return[e[0],e[2]]})),i);h.updateBase(s?null:r)}else h.updateBase(null)}),(function(e,a){var u=d.length>2&&g(e),c=d.map((function(e){return e.getWorldPos()})).concat(u?[]:[a]);h.updateBase(c);var v=c.map((function(e){return[e[0],e[2]]}));d.length>2&&m(v,u)?(A.pop()(),n(d)):u?(p.update(a),A.forEach((function(e){return e()})),l(o.createZone({id:re.createUUID(),geometry:{planeCoordinates:v,altitude:t,height:i},alpha:s,color:r}))):(p.update(a),f&&f.update(a),n(d.concat(p)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){u(),A.forEach((function(e){return e()}))}}},yD=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e.viewer.scene)).zonesPlugin=e,r.pointerLens=s.pointerLens,r._action=null,r}return C(i,[{key:"active",get:function(){return!!this._action}},{key:"activate",value:function(e,t,i,r){if("object"===w(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}if(!this._action){var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=hD(a,(function(t,i){return dD(e,re.vec3([0,1,0]),t,i)}));!function s(){u._action=_D(l,e,t,i,r,u.pointerLens,o,c,(function(e){var t=!0;u._action={deactivate:function(){t=!1}},u.fire("zoneEnd",e),t&&s()}))}()}}},{key:"deactivate",value:function(){this._action&&(this._action.deactivate(),this._action=null)}},{key:"destroy",value:function(){this.deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),bD=function(e){g(i,Ce);var t=_(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e.viewer.scene)).zonesPlugin=e,r.pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._action=null,r}return C(i,[{key:"active",get:function(){return!!this._action}},{key:"activate",value:function(e,t,i,r){if("object"===w(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}if(!this._action){var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=Dt(a,this.pointerCircle,(function(t,i){return dD(e,re.vec3([0,1,0]),t,i)}));!function s(){u._action=_D(l,e,t,i,r,u.pointerLens,o,c,(function(e){var t=!0;u._action={deactivate:function(){t=!1}},u.fire("zoneEnd",e),t&&s()}))}()}}},{key:"deactivate",value:function(){this._action&&(this._action.deactivate(),this._action=null)}},{key:"destroy",value:function(){this.deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),BD=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;P(this,i);var a=e.plugin.viewer,l=a.scene;o=t.call(this,l);var u=e._geometry.altitude,c=e._geometry.planeCoordinates.map((function(t){var i=l.canvas.canvas.ownerDocument.body,r=new Mt(l,{},i,{fillColor:e._color});return r.worldPos=re.vec3([t[0],u,t[1]]),r.on("worldPos",(function(){t[0]=r.worldPos[0],t[1]=r.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),r})),A=It({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r&&r.pointerLens,dots:c,ray2WorldPos:function(e,t){return dD(u,re.vec3([0,1,0]),e,t)},onEnd:function(t,i){return e._zoneMesh&&o.fire("edited"),!!e._zoneMesh}}),h=function(){A(),c.forEach((function(e){return e.destroy()}))},d=e.on("destroyed",h);return o._deactivate=function(){e.off("destroyed",d),h()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),wD=function(e){g(i,BD);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),PD=function(e){g(i,BD);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),xD=function(e){g(i,Ce);var t=_(i);function i(e,r,s,n){var o;P(this,i);var a=e.plugin.viewer,l=a.scene,u=l.canvas.canvas,c=b(o=t.call(this,l)),h=e._geometry.altitude,d=r&&r.pointerLens,p=d?function(e){d.visible=!!e,e&&(d.canvasPos=e)}:function(){},f=function(e){var t,i,r=re.vec3(),s=re.vec3();return re.canvasPosToWorldRay(u,l.camera.viewMatrix,l.camera.projMatrix,l.camera.projection,e,r,s),t=r,i=s,dD(h,re.vec3([0,1,0]),t,i)},v=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,wt(u.ownerDocument.documentElement,u,t),t},g=function(e,t){var i=function(e){e.preventDefault(),t(e)};return u.addEventListener(e,i),function(){return u.removeEventListener(e,i)}},m=function(){},_=function(t,i,r,s){var n,o,l,A,h=s(t),d=v(h,re.vec2()),_=a.scene.pick({canvasPos:d,includeEntities:[e._zoneMesh.id]});if((_&&_.entity&&_.entity.zone)===e){m(),u.style.cursor="move",a.cameraControl.active=!1;var y=(n=e._geometry.planeCoordinates.map((function(e){return e.slice()})),o=f(d),l=re.vec2([o[0],o[2]]),A=re.vec2(),function(t){var i=f(t);A[0]=i[0],A[1]=i[2],re.subVec2(l,A,A),e._geometry.planeCoordinates.forEach((function(e,t){re.subVec2(n[t],A,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}),b=g(i,(function(e){var t=s(e);if(t){var i=v(t,re.vec2());y(i),p(i)}})),B=g(r,(function(e){var t=s(e);if(t){var i=v(t,re.vec2());y(i),p(null),m(),c.fire("translated")}}));m=function(){m=function(){},u.style.cursor="default",a.cameraControl.active=!0,b(),B()}}},y=[];s&&y.push(g("mousedown",(function(e){1===e.which&&_(e,"mousemove","mouseup",(function(e){return 1===e.which&&e}))}))),n&&y.push(g("touchstart",(function(e){if(1===e.touches.length){var t=e.touches[0].identifier;_(e,"touchmove","touchend",(function(e){return A(e.changedTouches).find((function(e){return e.identifier===t}))}))}})));var B=function(){m(),y.forEach((function(e){return e()})),p(null)},w=e.on("destroyed",B);return o._deactivate=function(){e.off("destroyed",w),B()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),f(B(i.prototype),"destroy",this).call(this)}}]),i}(),CD=function(e){g(i,xD);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),MD=function(e){g(i,xD);var t=_(i);function i(e,r){return P(this,i),t.call(this,e,r,!1,!0)}return C(i)}();export{is as AlphaFormat,er as AmbientLight,Vt as AngleMeasurementEditMouseControl,Ht as AngleMeasurementEditTouchControl,Lt as AngleMeasurementsControl,Ut as AngleMeasurementsMouseControl,Ot as AngleMeasurementsPlugin,Nt as AngleMeasurementsTouchControl,Wt as AnnotationsPlugin,jn as AxisGizmoPlugin,hd as BCFViewpointsPlugin,So as Bitmap,Kr as ByteType,rp as CameraMemento,Ud as CameraPath,Gd as CameraPathAnimation,nD as CityJSONLoaderPlugin,Sr as ClampToEdgeWrapping,Ce as Component,zs as CompressedMediaType,Ha as Configs,J as ContextMenu,lp as CubicBezierCurve,Td as Curve,wh as DefaultLoadingManager,as as DepthFormat,ls as DepthStencilFormat,$i as DirLight,Cd as DistanceMeasurementEditControl,Md as DistanceMeasurementEditMouseControl,Ed as DistanceMeasurementEditTouchControl,Bd as DistanceMeasurementsControl,wd as DistanceMeasurementsMouseControl,Pd as DistanceMeasurementsPlugin,xd as DistanceMeasurementsTouchControl,Mt as Dot3D,oD as DotBIMDefaultDataSource,aD as DotBIMLoaderPlugin,br as EdgeMaterial,_r as EmphasisMaterial,NF as FaceAlignedSectionPlanesPlugin,Fd as FastNavPlugin,Zr as FloatType,mo as Fresnel,Ie as Frustum,ke as FrustumPlane,Hs as GIFMediaType,kd as GLTFDefaultDataSource,rF as GLTFLoaderPlugin,qr as HalfFloatType,Jd as ImagePlane,Jr as IntType,js as JPEGMediaType,Fh as KTX2TextureTranscoder,CI as LASLoaderPlugin,Et as Label3D,to as LambertMaterial,tp as LightMap,ad as LineSet,Qs as LinearEncoding,Qr as LinearFilter,Gr as LinearMipMapLinearFilter,Hr as LinearMipMapNearestFilter,jr as LinearMipmapLinearFilter,Vr as LinearMipmapNearestFilter,Ph as Loader,Bh as LoadingManager,Id as LocaleService,os as LuminanceAlphaFormat,ns as LuminanceFormat,G as Map,ct as Marker,Te as MarqueePicker,Re as MarqueePickerMouseControl,Un as Mesh,Ko as MeshSurfaceArea,Oo as MeshVolume,so as MetallicMaterial,Tr as MirroredRepeatWrapping,np as ModelMemento,aF as NavCubePlugin,Rr as NearestFilter,Nr as NearestMipMapLinearFilter,Lr as NearestMipMapNearestFilter,Or as NearestMipmapLinearFilter,Ur as NearestMipmapNearestFilter,eo as Node,gF as OBJLoaderPlugin,ne as ObjectsKdTree3,ap as ObjectsMemento,Gs as PNGMediaType,up as Path,Ap as PerformanceModel,gr as PhongMaterial,ti as PickResult,Ue as Plugin,Yd as PointLight,Le as PointerCircle,Y as PointerLens,cp as QuadraticBezierCurve,oe as Queue,ss as RGBAFormat,ds as RGBAIntegerFormat,Ls as RGBA_ASTC_10x10_Format,Ss as RGBA_ASTC_10x5_Format,Ts as RGBA_ASTC_10x6_Format,Rs as RGBA_ASTC_10x8_Format,Us as RGBA_ASTC_12x10_Format,Os as RGBA_ASTC_12x12_Format,xs as RGBA_ASTC_4x4_Format,Cs as RGBA_ASTC_5x4_Format,Ms as RGBA_ASTC_5x5_Format,Es as RGBA_ASTC_6x5_Format,Fs as RGBA_ASTC_6x6_Format,ks as RGBA_ASTC_8x5_Format,Is as RGBA_ASTC_8x6_Format,Ds as RGBA_ASTC_8x8_Format,Ns as RGBA_BPTC_Format,Ps as RGBA_ETC2_EAC_Format,bs as RGBA_PVRTC_2BPPV1_Format,ys as RGBA_PVRTC_4BPPV1_Format,fs as RGBA_S3TC_DXT1_Format,vs as RGBA_S3TC_DXT3_Format,gs as RGBA_S3TC_DXT5_Format,rs as RGBFormat,Bs as RGB_ETC1_Format,ws as RGB_ETC2_Format,_s as RGB_PVRTC_2BPPV1_Format,ms as RGB_PVRTC_4BPPV1_Format,ps as RGB_S3TC_DXT1_Format,As as RGFormat,hs as RGIntegerFormat,hr as ReadableGeometry,us as RedFormat,cs as RedIntegerFormat,ep as ReflectionMap,Dr as RepeatWrapping,VF as STLDefaultDataSource,YF as STLLoaderPlugin,nd as SceneModel,Zo as SceneModelMesh,Yh as SceneModelTransform,Gn as SectionPlane,xF as SectionPlanesPlugin,Wr as ShortType,hp as Skybox,QF as SkyboxesPlugin,ao as SpecularMaterial,Rd as SplineCurve,ip as SpriteMarker,IF as StoreyViewsPlugin,go as Texture,dp as TextureTranscoder,$F as TreeViewPlugin,zr as UnsignedByteType,ts as UnsignedInt248Type,Yr as UnsignedIntType,$r as UnsignedShort4444Type,es as UnsignedShort5551Type,Xr as UnsignedShortType,bo as VBOGeometry,sk as ViewCullPlugin,iB as Viewer,mI as WebIFCLoaderPlugin,Ft as Wire3D,Mh as WorkerPool,nk as XKTDefaultDataSource,eI as XKTLoaderPlugin,vI as XML3DLoaderPlugin,BD as ZoneEditControl,wD as ZoneEditMouseControl,PD as ZoneEditTouchControl,xD as ZoneTranslateControl,CD as ZoneTranslateMouseControl,MD as ZoneTranslateTouchControl,vD as ZonesMouseControl,mD as ZonesPlugin,yD as ZonesPolysurfaceMouseControl,bD as ZonesPolysurfaceTouchControl,gD as ZonesTouchControl,kt as activateDraggableDot,It as activateDraggableDots,dr as buildBoxGeometry,xo as buildBoxLinesGeometry,Co as buildBoxLinesGeometryFromAABB,Nn as buildCylinderGeometry,Mo as buildGridGeometry,Do as buildLineGeometry,Eo as buildPlaneGeometry,ko as buildPolylineGeometry,Io as buildPolylineGeometryFromCurve,Qn as buildSphereGeometry,Fo as buildTorusGeometry,Hn as buildVectorTextGeometry,ze as createRTCViewMat,Se as frustumIntersectsAABB3,Ih as getKTX2TextureTranscoder,Je as getPlaneRTCPos,To as isTriangleMeshSolid,wo as load3DSGeometry,Po as loadOBJGeometry,re as math,Wo as meshSurfaceArea,No as meshVolume,Oe as os,Xe as rtcToWorldPos,Vs as sRGBEncoding,De as setFrustum,ae as stats,Dt as touchPointSelector,wt as transformToNode,he as utils,Ke as worldToRTCPos,We as worldToRTCPositions};
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c=u.length?parseInt(ff.apply(void 0,u),10):0;return i*(s+a*Math.pow(10,-o))*Math.pow(10,l*c)},bv={type:2},Bv={type:3},wv={type:4},Pv={type:13},xv={type:8},Cv={type:21},Mv={type:9},Ev={type:10},Fv={type:11},kv={type:12},Iv={type:14},Dv={type:23},Sv={type:1},Tv={type:25},Rv={type:24},Lv={type:26},Uv={type:27},Ov={type:28},Nv={type:29},Qv={type:31},Vv={type:32},Hv=function(){function e(){this._value=[]}return e.prototype.write=function(e){this._value=this._value.concat(pf(e))},e.prototype.read=function(){for(var e=[],t=this.consumeToken();t!==Vv;)e.push(t),t=this.consumeToken();return e},e.prototype.consumeToken=function(){var e=this.consumeCodePoint();switch(e){case 34:return this.consumeStringToken(34);case 35:var t=this.peekCodePoint(0),i=this.peekCodePoint(1),r=this.peekCodePoint(2);if(fv(t)||gv(i,r)){var s=mv(t,i,r)?2:1;return{type:5,value:this.consumeName(),flags:s}}break;case 36:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Pv;break;case 39:return this.consumeStringToken(39);case 40:return bv;case 41:return Bv;case 42:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Iv;break;case 43:if(_v(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 44:return wv;case 45:var n=e,o=this.peekCodePoint(0),a=this.peekCodePoint(1);if(_v(n,o,a))return this.reconsumeCodePoint(e),this.consumeNumericToken();if(mv(n,o,a))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();if(45===o&&62===a)return this.consumeCodePoint(),this.consumeCodePoint(),Rv;break;case 46:if(_v(e,this.peekCodePoint(0),this.peekCodePoint(1)))return this.reconsumeCodePoint(e),this.consumeNumericToken();break;case 47:if(42===this.peekCodePoint(0))for(this.consumeCodePoint();;){var l=this.consumeCodePoint();if(42===l&&47===(l=this.consumeCodePoint()))return this.consumeToken();if(-1===l)return this.consumeToken()}break;case 58:return Lv;case 59:return Uv;case 60:if(33===this.peekCodePoint(0)&&45===this.peekCodePoint(1)&&45===this.peekCodePoint(2))return this.consumeCodePoint(),this.consumeCodePoint(),Tv;break;case 64:var u=this.peekCodePoint(0),c=this.peekCodePoint(1),A=this.peekCodePoint(2);if(mv(u,c,A))return{type:7,value:this.consumeName()};break;case 91:return Ov;case 92:if(gv(e,this.peekCodePoint(0)))return this.reconsumeCodePoint(e),this.consumeIdentLikeToken();break;case 93:return Nv;case 61:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),xv;break;case 123:return Fv;case 125:return kv;case 117:case 85:var h=this.peekCodePoint(0),d=this.peekCodePoint(1);return 43!==h||!hv(d)&&63!==d||(this.consumeCodePoint(),this.consumeUnicodeRangeToken()),this.reconsumeCodePoint(e),this.consumeIdentLikeToken();case 124:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Mv;if(124===this.peekCodePoint(0))return this.consumeCodePoint(),Cv;break;case 126:if(61===this.peekCodePoint(0))return this.consumeCodePoint(),Ev;break;case-1:return Vv}return dv(e)?(this.consumeWhiteSpace(),Qv):Av(e)?(this.reconsumeCodePoint(e),this.consumeNumericToken()):pv(e)?(this.reconsumeCodePoint(e),this.consumeIdentLikeToken()):{type:6,value:ff(e)}},e.prototype.consumeCodePoint=function(){var e=this._value.shift();return void 0===e?-1:e},e.prototype.reconsumeCodePoint=function(e){this._value.unshift(e)},e.prototype.peekCodePoint=function(e){return e>=this._value.length?-1:this._value[e]},e.prototype.consumeUnicodeRangeToken=function(){for(var e=[],t=this.consumeCodePoint();hv(t)&&e.length<6;)e.push(t),t=this.consumeCodePoint();for(var i=!1;63===t&&e.length<6;)e.push(t),t=this.consumeCodePoint(),i=!0;if(i)return{type:30,start:parseInt(ff.apply(void 0,e.map((function(e){return 63===e?48:e}))),16),end:parseInt(ff.apply(void 0,e.map((function(e){return 63===e?70:e}))),16)};var r=parseInt(ff.apply(void 0,e),16);if(45===this.peekCodePoint(0)&&hv(this.peekCodePoint(1))){this.consumeCodePoint(),t=this.consumeCodePoint();for(var s=[];hv(t)&&s.length<6;)s.push(t),t=this.consumeCodePoint();return{type:30,start:r,end:parseInt(ff.apply(void 0,s),16)}}return{type:30,start:r,end:r}},e.prototype.consumeIdentLikeToken=function(){var e=this.consumeName();return"url"===e.toLowerCase()&&40===this.peekCodePoint(0)?(this.consumeCodePoint(),this.consumeUrlToken()):40===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:19,value:e}):{type:20,value:e}},e.prototype.consumeUrlToken=function(){var e=[];if(this.consumeWhiteSpace(),-1===this.peekCodePoint(0))return{type:22,value:""};var t=this.peekCodePoint(0);if(39===t||34===t){var i=this.consumeStringToken(this.consumeCodePoint());return 0===i.type&&(this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0))?(this.consumeCodePoint(),{type:22,value:i.value}):(this.consumeBadUrlRemnants(),Dv)}for(;;){var r=this.consumeCodePoint();if(-1===r||41===r)return{type:22,value:ff.apply(void 0,e)};if(dv(r))return this.consumeWhiteSpace(),-1===this.peekCodePoint(0)||41===this.peekCodePoint(0)?(this.consumeCodePoint(),{type:22,value:ff.apply(void 0,e)}):(this.consumeBadUrlRemnants(),Dv);if(34===r||39===r||40===r||vv(r))return this.consumeBadUrlRemnants(),Dv;if(92===r){if(!gv(r,this.peekCodePoint(0)))return this.consumeBadUrlRemnants(),Dv;e.push(this.consumeEscapedCodePoint())}else e.push(r)}},e.prototype.consumeWhiteSpace=function(){for(;dv(this.peekCodePoint(0));)this.consumeCodePoint()},e.prototype.consumeBadUrlRemnants=function(){for(;;){var e=this.consumeCodePoint();if(41===e||-1===e)return;gv(e,this.peekCodePoint(0))&&this.consumeEscapedCodePoint()}},e.prototype.consumeStringSlice=function(e){for(var t="";e>0;){var i=Math.min(5e4,e);t+=ff.apply(void 0,this._value.splice(0,i)),e-=i}return this._value.shift(),t},e.prototype.consumeStringToken=function(e){for(var t="",i=0;;){var r=this._value[i];if(-1===r||void 0===r||r===e)return{type:0,value:t+=this.consumeStringSlice(i)};if(10===r)return this._value.splice(0,i),Sv;if(92===r){var s=this._value[i+1];-1!==s&&void 0!==s&&(10===s?(t+=this.consumeStringSlice(i),i=-1,this._value.shift()):gv(r,s)&&(t+=this.consumeStringSlice(i),t+=ff(this.consumeEscapedCodePoint()),i=-1))}i++}},e.prototype.consumeNumber=function(){var e=[],t=4,i=this.peekCodePoint(0);for(43!==i&&45!==i||e.push(this.consumeCodePoint());Av(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0);var r=this.peekCodePoint(1);if(46===i&&Av(r))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;Av(this.peekCodePoint(0));)e.push(this.consumeCodePoint());i=this.peekCodePoint(0),r=this.peekCodePoint(1);var s=this.peekCodePoint(2);if((69===i||101===i)&&((43===r||45===r)&&Av(s)||Av(r)))for(e.push(this.consumeCodePoint(),this.consumeCodePoint()),t=8;Av(this.peekCodePoint(0));)e.push(this.consumeCodePoint());return[yv(e),t]},e.prototype.consumeNumericToken=function(){var e=this.consumeNumber(),t=e[0],i=e[1],r=this.peekCodePoint(0),s=this.peekCodePoint(1),n=this.peekCodePoint(2);return mv(r,s,n)?{type:15,number:t,flags:i,unit:this.consumeName()}:37===r?(this.consumeCodePoint(),{type:16,number:t,flags:i}):{type:17,number:t,flags:i}},e.prototype.consumeEscapedCodePoint=function(){var e=this.consumeCodePoint();if(hv(e)){for(var t=ff(e);hv(this.peekCodePoint(0))&&t.length<6;)t+=ff(this.consumeCodePoint());dv(this.peekCodePoint(0))&&this.consumeCodePoint();var i=parseInt(t,16);return 0===i||function(e){return e>=55296&&e<=57343}(i)||i>1114111?65533:i}return-1===e?65533:e},e.prototype.consumeName=function(){for(var e="";;){var t=this.consumeCodePoint();if(fv(t))e+=ff(t);else{if(!gv(t,this.peekCodePoint(0)))return this.reconsumeCodePoint(t),e;e+=ff(this.consumeEscapedCodePoint())}}},e}(),jv=function(){function e(e){this._tokens=e}return e.create=function(t){var i=new Hv;return i.write(t),new e(i.read())},e.parseValue=function(t){return e.create(t).parseComponentValue()},e.parseValues=function(t){return e.create(t).parseComponentValues()},e.prototype.parseComponentValue=function(){for(var e=this.consumeToken();31===e.type;)e=this.consumeToken();if(32===e.type)throw new SyntaxError("Error parsing CSS component value, unexpected EOF");this.reconsumeToken(e);var t=this.consumeComponentValue();do{e=this.consumeToken()}while(31===e.type);if(32===e.type)return t;throw new SyntaxError("Error parsing CSS component value, multiple values found when expecting only one")},e.prototype.parseComponentValues=function(){for(var e=[];;){var t=this.consumeComponentValue();if(32===t.type)return e;e.push(t),e.push()}},e.prototype.consumeComponentValue=function(){var e=this.consumeToken();switch(e.type){case 11:case 28:case 2:return this.consumeSimpleBlock(e.type);case 19:return this.consumeFunction(e)}return e},e.prototype.consumeSimpleBlock=function(e){for(var t={type:e,values:[]},i=this.consumeToken();;){if(32===i.type||qv(i,e))return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue()),i=this.consumeToken()}},e.prototype.consumeFunction=function(e){for(var t={name:e.value,values:[],type:18};;){var i=this.consumeToken();if(32===i.type||3===i.type)return t;this.reconsumeToken(i),t.values.push(this.consumeComponentValue())}},e.prototype.consumeToken=function(){var e=this._tokens.shift();return void 0===e?Vv:e},e.prototype.reconsumeToken=function(e){this._tokens.unshift(e)},e}(),Gv=function(e){return 15===e.type},zv=function(e){return 17===e.type},Kv=function(e){return 20===e.type},Wv=function(e){return 0===e.type},Xv=function(e,t){return Kv(e)&&e.value===t},Jv=function(e){return 31!==e.type},Yv=function(e){return 31!==e.type&&4!==e.type},Zv=function(e){var t=[],i=[];return e.forEach((function(e){if(4===e.type){if(0===i.length)throw new Error("Error parsing function args, zero tokens for arg");return t.push(i),void(i=[])}31!==e.type&&i.push(e)})),i.length&&t.push(i),t},qv=function(e,t){return 11===t&&12===e.type||(28===t&&29===e.type||2===t&&3===e.type)},$v=function(e){return 17===e.type||15===e.type},eg=function(e){return 16===e.type||$v(e)},tg=function(e){return e.length>1?[e[0],e[1]]:[e[0]]},ig={type:17,number:0,flags:4},rg={type:16,number:50,flags:4},sg={type:16,number:100,flags:4},ng=function(e,t,i){var r=e[0],s=e[1];return[og(r,t),og(void 0!==s?s:r,i)]},og=function(e,t){if(16===e.type)return e.number/100*t;if(Gv(e))switch(e.unit){case"rem":case"em":return 16*e.number;default:return e.number}return e.number},ag=function(e,t){if(15===t.type)switch(t.unit){case"deg":return Math.PI*t.number/180;case"grad":return Math.PI/200*t.number;case"rad":return t.number;case"turn":return 2*Math.PI*t.number}throw new Error("Unsupported angle type")},lg=function(e){return 15===e.type&&("deg"===e.unit||"grad"===e.unit||"rad"===e.unit||"turn"===e.unit)},ug=function(e){switch(e.filter(Kv).map((function(e){return e.value})).join(" ")){case"to bottom right":case"to right bottom":case"left top":case"top left":return[ig,ig];case"to top":case"bottom":return cg(0);case"to bottom left":case"to left bottom":case"right top":case"top right":return[ig,sg];case"to right":case"left":return cg(90);case"to top left":case"to left top":case"right bottom":case"bottom right":return[sg,sg];case"to bottom":case"top":return cg(180);case"to top right":case"to right top":case"left bottom":case"bottom left":return[sg,ig];case"to left":case"right":return cg(270)}return 0},cg=function(e){return Math.PI*e/180},Ag=function(e,t){if(18===t.type){var i=_g[t.name];if(void 0===i)throw new Error('Attempting to parse an unsupported color function "'+t.name+'"');return i(e,t.values)}if(5===t.type){if(3===t.value.length){var r=t.value.substring(0,1),s=t.value.substring(1,2),n=t.value.substring(2,3);return pg(parseInt(r+r,16),parseInt(s+s,16),parseInt(n+n,16),1)}if(4===t.value.length){r=t.value.substring(0,1),s=t.value.substring(1,2),n=t.value.substring(2,3);var o=t.value.substring(3,4);return pg(parseInt(r+r,16),parseInt(s+s,16),parseInt(n+n,16),parseInt(o+o,16)/255)}if(6===t.value.length){r=t.value.substring(0,2),s=t.value.substring(2,4),n=t.value.substring(4,6);return pg(parseInt(r,16),parseInt(s,16),parseInt(n,16),1)}if(8===t.value.length){r=t.value.substring(0,2),s=t.value.substring(2,4),n=t.value.substring(4,6),o=t.value.substring(6,8);return pg(parseInt(r,16),parseInt(s,16),parseInt(n,16),parseInt(o,16)/255)}}if(20===t.type){var a=bg[t.value.toUpperCase()];if(void 0!==a)return a}return bg.TRANSPARENT},hg=function(e){return 0==(255&e)},dg=function(e){var t=255&e,i=255&e>>8,r=255&e>>16,s=255&e>>24;return t<255?"rgba("+s+","+r+","+i+","+t/255+")":"rgb("+s+","+r+","+i+")"},pg=function(e,t,i,r){return(e<<24|t<<16|i<<8|Math.round(255*r)<<0)>>>0},fg=function(e,t){if(17===e.type)return e.number;if(16===e.type){var i=3===t?1:255;return 3===t?e.number/100*i:Math.round(e.number/100*i)}return 0},vg=function(e,t){var i=t.filter(Yv);if(3===i.length){var r=i.map(fg),s=r[0],n=r[1],o=r[2];return pg(s,n,o,1)}if(4===i.length){var a=i.map(fg),l=(s=a[0],n=a[1],o=a[2],a[3]);return pg(s,n,o,l)}return 0};function gg(e,t,i){return i<0&&(i+=1),i>=1&&(i-=1),i<1/6?(t-e)*i*6+e:i<.5?t:i<2/3?6*(t-e)*(2/3-i)+e:e}var mg=function(e,t){var i=t.filter(Yv),r=i[0],s=i[1],n=i[2],o=i[3],a=(17===r.type?cg(r.number):ag(e,r))/(2*Math.PI),l=eg(s)?s.number/100:0,u=eg(n)?n.number/100:0,c=void 0!==o&&eg(o)?og(o,1):1;if(0===l)return pg(255*u,255*u,255*u,1);var A=u<=.5?u*(l+1):u+l-u*l,h=2*u-A,d=gg(h,A,a+1/3),p=gg(h,A,a),f=gg(h,A,a-1/3);return pg(255*d,255*p,255*f,c)},_g={hsl:mg,hsla:mg,rgb:vg,rgba:vg},yg=function(e,t){return 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pb(i.left+P/2,i.top+b/2),this.topRightBorderStroke=s>0||n>0?_b(i.left+g,i.top+b/2,a-B/2,l-b/2,Gy.TOP_RIGHT):new pb(i.left+i.width-B/2,i.top+b/2),this.bottomRightBorderStroke=c>0||A>0?_b(i.left+_,i.top+m,c-B/2,A-w/2,Gy.BOTTOM_RIGHT):new pb(i.left+i.width-B/2,i.top+i.height-w/2),this.bottomLeftBorderStroke=d>0||p>0?_b(i.left+P/2,i.top+y,d-P/2,p-w/2,Gy.BOTTOM_LEFT):new pb(i.left+P/2,i.top+i.height-w/2),this.topLeftBorderBox=s>0||n>0?_b(i.left,i.top,s,n,Gy.TOP_LEFT):new pb(i.left,i.top),this.topRightBorderBox=a>0||l>0?_b(i.left+g,i.top,a,l,Gy.TOP_RIGHT):new pb(i.left+i.width,i.top),this.bottomRightBorderBox=c>0||A>0?_b(i.left+_,i.top+m,c,A,Gy.BOTTOM_RIGHT):new pb(i.left+i.width,i.top+i.height),this.bottomLeftBorderBox=d>0||p>0?_b(i.left,i.top+y,d,p,Gy.BOTTOM_LEFT):new pb(i.left,i.top+i.height),this.topLeftPaddingBox=s>0||n>0?_b(i.left+P,i.top+b,Math.max(0,s-P),Math.max(0,n-b),Gy.TOP_LEFT):new pb(i.left+P,i.top+b),this.topRightPaddingBox=a>0||l>0?_b(i.left+Math.min(g,i.width-B),i.top+b,g>i.width+B?0:Math.max(0,a-B),Math.max(0,l-b),Gy.TOP_RIGHT):new pb(i.left+i.width-B,i.top+b),this.bottomRightPaddingBox=c>0||A>0?_b(i.left+Math.min(_,i.width-P),i.top+Math.min(m,i.height-w),Math.max(0,c-B),Math.max(0,A-w),Gy.BOTTOM_RIGHT):new pb(i.left+i.width-B,i.top+i.height-w),this.bottomLeftPaddingBox=d>0||p>0?_b(i.left+P,i.top+Math.min(y,i.height-w),Math.max(0,d-P),Math.max(0,p-w),Gy.BOTTOM_LEFT):new pb(i.left+P,i.top+i.height-w),this.topLeftContentBox=s>0||n>0?_b(i.left+P+E,i.top+b+x,Math.max(0,s-(P+E)),Math.max(0,n-(b+x)),Gy.TOP_LEFT):new pb(i.left+P+E,i.top+b+x),this.topRightContentBox=a>0||l>0?_b(i.left+Math.min(g,i.width+P+E),i.top+b+x,g>i.width+P+E?0:a-P+E,l-(b+x),Gy.TOP_RIGHT):new pb(i.left+i.width-(B+C),i.top+b+x),this.bottomRightContentBox=c>0||A>0?_b(i.left+Math.min(_,i.width-(P+E)),i.top+Math.min(m,i.height+b+x),Math.max(0,c-(B+C)),A-(w+M),Gy.BOTTOM_RIGHT):new pb(i.left+i.width-(B+C),i.top+i.height-(w+M)),this.bottomLeftContentBox=d>0||p>0?_b(i.left+P+E,i.top+y,Math.max(0,d-(P+E)),p-(w+M),Gy.BOTTOM_LEFT):new pb(i.left+P+E,i.top+i.height-(w+M))};!function(e){e[e.TOP_LEFT=0]="TOP_LEFT",e[e.TOP_RIGHT=1]="TOP_RIGHT",e[e.BOTTOM_RIGHT=2]="BOTTOM_RIGHT",e[e.BOTTOM_LEFT=3]="BOTTOM_LEFT"}(Gy||(Gy={}));var _b=function(e,t,i,r,s){var n=(Math.sqrt(2)-1)/3*4,o=i*n,a=r*n,l=e+i,u=t+r;switch(s){case Gy.TOP_LEFT:return new vb(new pb(e,u),new pb(e,u-a),new pb(l-o,t),new pb(l,t));case Gy.TOP_RIGHT:return new vb(new pb(e,t),new pb(e+o,t),new pb(l,u-a),new pb(l,u));case Gy.BOTTOM_RIGHT:return new vb(new pb(l,t),new pb(l,t+a),new pb(e+o,u),new pb(e,u));case Gy.BOTTOM_LEFT:default:return new vb(new pb(l,u),new pb(l-o,u),new pb(e,t+a),new pb(e,t))}},yb=function(e){return[e.topLeftBorderBox,e.topRightBorderBox,e.bottomRightBorderBox,e.bottomLeftBorderBox]},bb=function(e){return[e.topLeftPaddingBox,e.topRightPaddingBox,e.bottomRightPaddingBox,e.bottomLeftPaddingBox]},Bb=function(e,t,i){this.offsetX=e,this.offsetY=t,this.matrix=i,this.type=0,this.target=6},wb=function(e,t){this.path=e,this.target=t,this.type=1},Pb=function(e){this.opacity=e,this.type=2,this.target=6},xb=function(e){return 1===e.type},Cb=function(e,t){return e.length===t.length&&e.some((function(e,i){return e===t[i]}))},Mb=function(e){this.element=e,this.inlineLevel=[],this.nonInlineLevel=[],this.negativeZIndex=[],this.zeroOrAutoZIndexOrTransformedOrOpacity=[],this.positiveZIndex=[],this.nonPositionedFloats=[],this.nonPositionedInlineLevel=[]},Eb=function(){function e(e,t){if(this.container=e,this.parent=t,this.effects=[],this.curves=new mb(this.container),this.container.styles.opacity<1&&this.effects.push(new Pb(this.container.styles.opacity)),null!==this.container.styles.transform){var i=this.container.bounds.left+this.container.styles.transformOrigin[0].number,r=this.container.bounds.top+this.container.styles.transformOrigin[1].number,s=this.container.styles.transform;this.effects.push(new Bb(i,r,s))}if(0!==this.container.styles.overflowX){var n=yb(this.curves),o=bb(this.curves);Cb(n,o)?this.effects.push(new wb(n,6)):(this.effects.push(new wb(n,2)),this.effects.push(new wb(o,4)))}}return e.prototype.getEffects=function(e){for(var t=-1===[2,3].indexOf(this.container.styles.position),i=this.parent,r=this.effects.slice(0);i;){var s=i.effects.filter((function(e){return!xb(e)}));if(t||0!==i.container.styles.position||!i.parent){if(r.unshift.apply(r,s),t=-1===[2,3].indexOf(i.container.styles.position),0!==i.container.styles.overflowX){var n=yb(i.curves),o=bb(i.curves);Cb(n,o)||r.unshift(new wb(o,6))}}else r.unshift.apply(r,s);i=i.parent}return r.filter((function(t){return e_(t.target,e)}))},e}(),Fb=function e(t,i,r,s){t.container.elements.forEach((function(n){var o=e_(n.flags,4),a=e_(n.flags,2),l=new Eb(n,t);e_(n.styles.display,2048)&&s.push(l);var u=e_(n.flags,8)?[]:s;if(o||a){var c=o||n.styles.isPositioned()?r:i,A=new Mb(l);if(n.styles.isPositioned()||n.styles.opacity<1||n.styles.isTransformed()){var h=n.styles.zIndex.order;if(h<0){var d=0;c.negativeZIndex.some((function(e,t){return h>e.element.container.styles.zIndex.order?(d=t,!1):d>0})),c.negativeZIndex.splice(d,0,A)}else if(h>0){var p=0;c.positiveZIndex.some((function(e,t){return h>=e.element.container.styles.zIndex.order?(p=t+1,!1):p>0})),c.positiveZIndex.splice(p,0,A)}else c.zeroOrAutoZIndexOrTransformedOrOpacity.push(A)}else n.styles.isFloating()?c.nonPositionedFloats.push(A):c.nonPositionedInlineLevel.push(A);e(l,A,o?A:r,u)}else n.styles.isInlineLevel()?i.inlineLevel.push(l):i.nonInlineLevel.push(l),e(l,i,r,u);e_(n.flags,8)&&kb(n,u)}))},kb=function(e,t){for(var i=e instanceof ey?e.start:1,r=e instanceof ey&&e.reversed,s=0;s<t.length;s++){var n=t[s];n.container instanceof $_&&"number"==typeof n.container.value&&0!==n.container.value&&(i=n.container.value),n.listValue=Hy(i,n.container.styles.listStyleType,!0),i+=r?-1:1}},Ib=function(e){var t=new Eb(e,null),i=new Mb(t),r=[];return Fb(t,i,i,r),kb(t.container,r),i},Db=function(e,t){switch(t){case 0:return Tb(e.topLeftBorderBox,e.topLeftPaddingBox,e.topRightBorderBox,e.topRightPaddingBox);case 1:return Tb(e.topRightBorderBox,e.topRightPaddingBox,e.bottomRightBorderBox,e.bottomRightPaddingBox);case 2:return Tb(e.bottomRightBorderBox,e.bottomRightPaddingBox,e.bottomLeftBorderBox,e.bottomLeftPaddingBox);default:return Tb(e.bottomLeftBorderBox,e.bottomLeftPaddingBox,e.topLeftBorderBox,e.topLeftPaddingBox)}},Sb=function(e,t){var i=[];return gb(e)?i.push(e.subdivide(.5,!1)):i.push(e),gb(t)?i.push(t.subdivide(.5,!0)):i.push(t),i},Tb=function(e,t,i,r){var s=[];return gb(e)?s.push(e.subdivide(.5,!1)):s.push(e),gb(i)?s.push(i.subdivide(.5,!0)):s.push(i),gb(r)?s.push(r.subdivide(.5,!0).reverse()):s.push(r),gb(t)?s.push(t.subdivide(.5,!1).reverse()):s.push(t),s},Rb=function(e){var t=e.bounds,i=e.styles;return t.add(i.borderLeftWidth,i.borderTopWidth,-(i.borderRightWidth+i.borderLeftWidth),-(i.borderTopWidth+i.borderBottomWidth))},Lb=function(e){var t=e.styles,i=e.bounds,r=og(t.paddingLeft,i.width),s=og(t.paddingRight,i.width),n=og(t.paddingTop,i.width),o=og(t.paddingBottom,i.width);return i.add(r+t.borderLeftWidth,n+t.borderTopWidth,-(t.borderRightWidth+t.borderLeftWidth+r+s),-(t.borderTopWidth+t.borderBottomWidth+n+o))},Ub=function(e,t,i){var r=function(e,t){return 0===e?t.bounds:2===e?Lb(t):Rb(t)}(Vb(e.styles.backgroundOrigin,t),e),s=function(e,t){return 0===e?t.bounds:2===e?Lb(t):Rb(t)}(Vb(e.styles.backgroundClip,t),e),n=Qb(Vb(e.styles.backgroundSize,t),i,r),o=n[0],a=n[1],l=ng(Vb(e.styles.backgroundPosition,t),r.width-o,r.height-a);return[Hb(Vb(e.styles.backgroundRepeat,t),l,n,r,s),Math.round(r.left+l[0]),Math.round(r.top+l[1]),o,a]},Ob=function(e){return Kv(e)&&e.value===Dg.AUTO},Nb=function(e){return"number"==typeof e},Qb=function(e,t,i){var r=t[0],s=t[1],n=t[2],o=e[0],a=e[1];if(!o)return[0,0];if(eg(o)&&a&&eg(a))return[og(o,i.width),og(a,i.height)];var l=Nb(n);if(Kv(o)&&(o.value===Dg.CONTAIN||o.value===Dg.COVER))return Nb(n)?i.width/i.height<n!=(o.value===Dg.COVER)?[i.width,i.width/n]:[i.height*n,i.height]:[i.width,i.height];var u=Nb(r),c=Nb(s),A=u||c;if(Ob(o)&&(!a||Ob(a)))return u&&c?[r,s]:l||A?A&&l?[u?r:s*n,c?s:r/n]:[u?r:i.width,c?s:i.height]:[i.width,i.height];if(l){var h=0,d=0;return eg(o)?h=og(o,i.width):eg(a)&&(d=og(a,i.height)),Ob(o)?h=d*n:a&&!Ob(a)||(d=h/n),[h,d]}var p=null,f=null;if(eg(o)?p=og(o,i.width):a&&eg(a)&&(f=og(a,i.height)),null===p||a&&!Ob(a)||(f=u&&c?p/r*s:i.height),null!==f&&Ob(o)&&(p=u&&c?f/s*r:i.width),null!==p&&null!==f)return[p,f];throw new Error("Unable to calculate background-size for element")},Vb=function(e,t){var i=e[t];return void 0===i?e[0]:i},Hb=function(e,t,i,r,s){var n=t[0],o=t[1],a=i[0],l=i[1];switch(e){case 2:return[new pb(Math.round(r.left),Math.round(r.top+o)),new pb(Math.round(r.left+r.width),Math.round(r.top+o)),new pb(Math.round(r.left+r.width),Math.round(l+r.top+o)),new pb(Math.round(r.left),Math.round(l+r.top+o))];case 3:return[new pb(Math.round(r.left+n),Math.round(r.top)),new pb(Math.round(r.left+n+a),Math.round(r.top)),new pb(Math.round(r.left+n+a),Math.round(r.height+r.top)),new pb(Math.round(r.left+n),Math.round(r.height+r.top))];case 1:return[new pb(Math.round(r.left+n),Math.round(r.top+o)),new pb(Math.round(r.left+n+a),Math.round(r.top+o)),new pb(Math.round(r.left+n+a),Math.round(r.top+o+l)),new pb(Math.round(r.left+n),Math.round(r.top+o+l))];default:return[new pb(Math.round(s.left),Math.round(s.top)),new pb(Math.round(s.left+s.width),Math.round(s.top)),new pb(Math.round(s.left+s.width),Math.round(s.height+s.top)),new pb(Math.round(s.left),Math.round(s.height+s.top))]}},jb=function(){function e(e){this._data={},this._document=e}return e.prototype.parseMetrics=function(e,t){var i=this._document.createElement("div"),r=this._document.createElement("img"),s=this._document.createElement("span"),n=this._document.body;i.style.visibility="hidden",i.style.fontFamily=e,i.style.fontSize=t,i.style.margin="0",i.style.padding="0",i.style.whiteSpace="nowrap",n.appendChild(i),r.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7",r.width=1,r.height=1,r.style.margin="0",r.style.padding="0",r.style.verticalAlign="baseline",s.style.fontFamily=e,s.style.fontSize=t,s.style.margin="0",s.style.padding="0",s.appendChild(this._document.createTextNode("Hidden Text")),i.appendChild(s),i.appendChild(r);var o=r.offsetTop-s.offsetTop+2;i.removeChild(s),i.appendChild(this._document.createTextNode("Hidden Text")),i.style.lineHeight="normal",r.style.verticalAlign="super";var a=r.offsetTop-i.offsetTop+2;return n.removeChild(i),{baseline:o,middle:a}},e.prototype.getMetrics=function(e,t){var i=e+" "+t;return void 0===this._data[i]&&(this._data[i]=this.parseMetrics(e,t)),this._data[i]},e}(),Gb=function(e,t){this.context=e,this.options=t},zb=function(e){function t(t,i){var r=e.call(this,t,i)||this;return r._activeEffects=[],r.canvas=i.canvas?i.canvas:document.createElement("canvas"),r.ctx=r.canvas.getContext("2d"),i.canvas||(r.canvas.width=Math.floor(i.width*i.scale),r.canvas.height=Math.floor(i.height*i.scale),r.canvas.style.width=i.width+"px",r.canvas.style.height=i.height+"px"),r.fontMetrics=new jb(document),r.ctx.scale(r.options.scale,r.options.scale),r.ctx.translate(-i.x,-i.y),r.ctx.textBaseline="bottom",r._activeEffects=[],r.context.logger.debug("Canvas renderer initialized ("+i.width+"x"+i.height+") with scale "+i.scale),r}return af(t,e),t.prototype.applyEffects=function(e){for(var t=this;this._activeEffects.length;)this.popEffect();e.forEach((function(e){return t.applyEffect(e)}))},t.prototype.applyEffect=function(e){this.ctx.save(),function(e){return 2===e.type}(e)&&(this.ctx.globalAlpha=e.opacity),function(e){return 0===e.type}(e)&&(this.ctx.translate(e.offsetX,e.offsetY),this.ctx.transform(e.matrix[0],e.matrix[1],e.matrix[2],e.matrix[3],e.matrix[4],e.matrix[5]),this.ctx.translate(-e.offsetX,-e.offsetY)),xb(e)&&(this.path(e.path),this.ctx.clip()),this._activeEffects.push(e)},t.prototype.popEffect=function(){this._activeEffects.pop(),this.ctx.restore()},t.prototype.renderStack=function(e){return uf(this,void 0,void 0,(function(){return cf(this,(function(t){switch(t.label){case 0:return e.element.container.styles.isVisible()?[4,this.renderStackContent(e)]:[3,2];case 1:t.sent(),t.label=2;case 2:return[2]}}))}))},t.prototype.renderNode=function(e){return uf(this,void 0,void 0,(function(){return cf(this,(function(t){switch(t.label){case 0:return e_(e.container.flags,16),e.container.styles.isVisible()?[4,this.renderNodeBackgroundAndBorders(e)]:[3,3];case 1:return t.sent(),[4,this.renderNodeContent(e)];case 2:t.sent(),t.label=3;case 3:return[2]}}))}))},t.prototype.renderTextWithLetterSpacing=function(e,t,i){var r=this;0===t?this.ctx.fillText(e.text,e.bounds.left,e.bounds.top+i):H_(e.text).reduce((function(t,s){return r.ctx.fillText(s,t,e.bounds.top+i),t+r.ctx.measureText(s).width}),e.bounds.left)},t.prototype.createFontStyle=function(e){var t=e.fontVariant.filter((function(e){return"normal"===e||"small-caps"===e})).join(""),i=Yb(e.fontFamily).join(", "),r=Gv(e.fontSize)?""+e.fontSize.number+e.fontSize.unit:e.fontSize.number+"px";return[[e.fontStyle,t,e.fontWeight,r,i].join(" "),i,r]},t.prototype.renderTextNode=function(e,t){return uf(this,void 0,void 0,(function(){var i,r,s,n,o,a,l,u,c=this;return cf(this,(function(A){return i=this.createFontStyle(t),r=i[0],s=i[1],n=i[2],this.ctx.font=r,this.ctx.direction=1===t.direction?"rtl":"ltr",this.ctx.textAlign="left",this.ctx.textBaseline="alphabetic",o=this.fontMetrics.getMetrics(s,n),a=o.baseline,l=o.middle,u=t.paintOrder,e.textBounds.forEach((function(e){u.forEach((function(i){switch(i){case 0:c.ctx.fillStyle=dg(t.color),c.renderTextWithLetterSpacing(e,t.letterSpacing,a);var r=t.textShadow;r.length&&e.text.trim().length&&(r.slice(0).reverse().forEach((function(i){c.ctx.shadowColor=dg(i.color),c.ctx.shadowOffsetX=i.offsetX.number*c.options.scale,c.ctx.shadowOffsetY=i.offsetY.number*c.options.scale,c.ctx.shadowBlur=i.blur.number,c.renderTextWithLetterSpacing(e,t.letterSpacing,a)})),c.ctx.shadowColor="",c.ctx.shadowOffsetX=0,c.ctx.shadowOffsetY=0,c.ctx.shadowBlur=0),t.textDecorationLine.length&&(c.ctx.fillStyle=dg(t.textDecorationColor||t.color),t.textDecorationLine.forEach((function(t){switch(t){case 1:c.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top+a),e.bounds.width,1);break;case 2:c.ctx.fillRect(e.bounds.left,Math.round(e.bounds.top),e.bounds.width,1);break;case 3:c.ctx.fillRect(e.bounds.left,Math.ceil(e.bounds.top+l),e.bounds.width,1)}})));break;case 1:t.webkitTextStrokeWidth&&e.text.trim().length&&(c.ctx.strokeStyle=dg(t.webkitTextStrokeColor),c.ctx.lineWidth=t.webkitTextStrokeWidth,c.ctx.lineJoin=window.chrome?"miter":"round",c.ctx.strokeText(e.text,e.bounds.left,e.bounds.top+a)),c.ctx.strokeStyle="",c.ctx.lineWidth=0,c.ctx.lineJoin="miter"}}))})),[2]}))}))},t.prototype.renderReplacedElement=function(e,t,i){if(i&&e.intrinsicWidth>0&&e.intrinsicHeight>0){var r=Lb(e),s=bb(t);this.path(s),this.ctx.save(),this.ctx.clip(),this.ctx.drawImage(i,0,0,e.intrinsicWidth,e.intrinsicHeight,r.left,r.top,r.width,r.height),this.ctx.restore()}},t.prototype.renderNodeContent=function(e){return uf(this,void 0,void 0,(function(){var i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_;return cf(this,(function(y){switch(y.label){case 0:this.applyEffects(e.getEffects(4)),i=e.container,r=e.curves,s=i.styles,n=0,o=i.textNodes,y.label=1;case 1:return n<o.length?(a=o[n],[4,this.renderTextNode(a,s)]):[3,4];case 2:y.sent(),y.label=3;case 3:return n++,[3,1];case 4:if(!(i instanceof Y_))return[3,8];y.label=5;case 5:return y.trys.push([5,7,,8]),[4,this.context.cache.match(i.src)];case 6:return v=y.sent(),this.renderReplacedElement(i,r,v),[3,8];case 7:return y.sent(),this.context.logger.error("Error loading image "+i.src),[3,8];case 8:if(i instanceof Z_&&this.renderReplacedElement(i,r,i.canvas),!(i instanceof q_))return[3,12];y.label=9;case 9:return y.trys.push([9,11,,12]),[4,this.context.cache.match(i.svg)];case 10:return v=y.sent(),this.renderReplacedElement(i,r,v),[3,12];case 11:return y.sent(),this.context.logger.error("Error loading svg "+i.svg.substring(0,255)),[3,12];case 12:return i instanceof ay&&i.tree?[4,new t(this.context,{scale:this.options.scale,backgroundColor:i.backgroundColor,x:0,y:0,width:i.width,height:i.height}).render(i.tree)]:[3,14];case 13:l=y.sent(),i.width&&i.height&&this.ctx.drawImage(l,0,0,i.width,i.height,i.bounds.left,i.bounds.top,i.bounds.width,i.bounds.height),y.label=14;case 14:if(i instanceof sy&&(u=Math.min(i.bounds.width,i.bounds.height),"checkbox"===i.type?i.checked&&(this.ctx.save(),this.path([new pb(i.bounds.left+.39363*u,i.bounds.top+.79*u),new pb(i.bounds.left+.16*u,i.bounds.top+.5549*u),new pb(i.bounds.left+.27347*u,i.bounds.top+.44071*u),new pb(i.bounds.left+.39694*u,i.bounds.top+.5649*u),new pb(i.bounds.left+.72983*u,i.bounds.top+.23*u),new pb(i.bounds.left+.84*u,i.bounds.top+.34085*u),new pb(i.bounds.left+.39363*u,i.bounds.top+.79*u)]),this.ctx.fillStyle=dg(707406591),this.ctx.fill(),this.ctx.restore()):"radio"===i.type&&i.checked&&(this.ctx.save(),this.ctx.beginPath(),this.ctx.arc(i.bounds.left+u/2,i.bounds.top+u/2,u/4,0,2*Math.PI,!0),this.ctx.fillStyle=dg(707406591),this.ctx.fill(),this.ctx.restore())),Kb(i)&&i.value.length){switch(c=this.createFontStyle(s),m=c[0],A=c[1],h=this.fontMetrics.getMetrics(m,A).baseline,this.ctx.font=m,this.ctx.fillStyle=dg(s.color),this.ctx.textBaseline="alphabetic",this.ctx.textAlign=Xb(i.styles.textAlign),_=Lb(i),d=0,i.styles.textAlign){case 1:d+=_.width/2;break;case 2:d+=_.width}p=_.add(d,0,0,-_.height/2+1),this.ctx.save(),this.path([new pb(_.left,_.top),new pb(_.left+_.width,_.top),new pb(_.left+_.width,_.top+_.height),new pb(_.left,_.top+_.height)]),this.ctx.clip(),this.renderTextWithLetterSpacing(new N_(i.value,p),s.letterSpacing,h),this.ctx.restore(),this.ctx.textBaseline="alphabetic",this.ctx.textAlign="left"}if(!e_(i.styles.display,2048))return[3,20];if(null===i.styles.listStyleImage)return[3,19];if(0!==(f=i.styles.listStyleImage).type)return[3,18];v=void 0,g=f.url,y.label=15;case 15:return y.trys.push([15,17,,18]),[4,this.context.cache.match(g)];case 16:return v=y.sent(),this.ctx.drawImage(v,i.bounds.left-(v.width+10),i.bounds.top),[3,18];case 17:return y.sent(),this.context.logger.error("Error loading list-style-image "+g),[3,18];case 18:return[3,20];case 19:e.listValue&&-1!==i.styles.listStyleType&&(m=this.createFontStyle(s)[0],this.ctx.font=m,this.ctx.fillStyle=dg(s.color),this.ctx.textBaseline="middle",this.ctx.textAlign="right",_=new hf(i.bounds.left,i.bounds.top+og(i.styles.paddingTop,i.bounds.width),i.bounds.width,gm(s.lineHeight,s.fontSize.number)/2+1),this.renderTextWithLetterSpacing(new N_(e.listValue,_),s.letterSpacing,gm(s.lineHeight,s.fontSize.number)/2+2),this.ctx.textBaseline="bottom",this.ctx.textAlign="left"),y.label=20;case 20:return[2]}}))}))},t.prototype.renderStackContent=function(e){return uf(this,void 0,void 0,(function(){var t,i,r,s,n,o,a,l,u,c,A,h,d,p,f;return cf(this,(function(v){switch(v.label){case 0:return e_(e.element.container.flags,16),[4,this.renderNodeBackgroundAndBorders(e.element)];case 1:v.sent(),t=0,i=e.negativeZIndex,v.label=2;case 2:return t<i.length?(f=i[t],[4,this.renderStack(f)]):[3,5];case 3:v.sent(),v.label=4;case 4:return t++,[3,2];case 5:return[4,this.renderNodeContent(e.element)];case 6:v.sent(),r=0,s=e.nonInlineLevel,v.label=7;case 7:return r<s.length?(f=s[r],[4,this.renderNode(f)]):[3,10];case 8:v.sent(),v.label=9;case 9:return r++,[3,7];case 10:n=0,o=e.nonPositionedFloats,v.label=11;case 11:return n<o.length?(f=o[n],[4,this.renderStack(f)]):[3,14];case 12:v.sent(),v.label=13;case 13:return n++,[3,11];case 14:a=0,l=e.nonPositionedInlineLevel,v.label=15;case 15:return a<l.length?(f=l[a],[4,this.renderStack(f)]):[3,18];case 16:v.sent(),v.label=17;case 17:return a++,[3,15];case 18:u=0,c=e.inlineLevel,v.label=19;case 19:return u<c.length?(f=c[u],[4,this.renderNode(f)]):[3,22];case 20:v.sent(),v.label=21;case 21:return u++,[3,19];case 22:A=0,h=e.zeroOrAutoZIndexOrTransformedOrOpacity,v.label=23;case 23:return A<h.length?(f=h[A],[4,this.renderStack(f)]):[3,26];case 24:v.sent(),v.label=25;case 25:return A++,[3,23];case 26:d=0,p=e.positiveZIndex,v.label=27;case 27:return d<p.length?(f=p[d],[4,this.renderStack(f)]):[3,30];case 28:v.sent(),v.label=29;case 29:return d++,[3,27];case 30:return[2]}}))}))},t.prototype.mask=function(e){this.ctx.beginPath(),this.ctx.moveTo(0,0),this.ctx.lineTo(this.canvas.width,0),this.ctx.lineTo(this.canvas.width,this.canvas.height),this.ctx.lineTo(0,this.canvas.height),this.ctx.lineTo(0,0),this.formatPath(e.slice(0).reverse()),this.ctx.closePath()},t.prototype.path=function(e){this.ctx.beginPath(),this.formatPath(e),this.ctx.closePath()},t.prototype.formatPath=function(e){var t=this;e.forEach((function(e,i){var r=gb(e)?e.start:e;0===i?t.ctx.moveTo(r.x,r.y):t.ctx.lineTo(r.x,r.y),gb(e)&&t.ctx.bezierCurveTo(e.startControl.x,e.startControl.y,e.endControl.x,e.endControl.y,e.end.x,e.end.y)}))},t.prototype.renderRepeat=function(e,t,i,r){this.path(e),this.ctx.fillStyle=t,this.ctx.translate(i,r),this.ctx.fill(),this.ctx.translate(-i,-r)},t.prototype.resizeImage=function(e,t,i){var r;if(e.width===t&&e.height===i)return e;var s=(null!==(r=this.canvas.ownerDocument)&&void 0!==r?r:document).createElement("canvas");return s.width=Math.max(1,t),s.height=Math.max(1,i),s.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,t,i),s},t.prototype.renderBackgroundImage=function(e){return uf(this,void 0,void 0,(function(){var t,i,r,s,n,o;return cf(this,(function(a){switch(a.label){case 0:t=e.styles.backgroundImage.length-1,i=function(i){var s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,B,w,P,x,C,M,E,F,k,I,D,S,T;return cf(this,(function(R){switch(R.label){case 0:if(0!==i.type)return[3,5];s=void 0,n=i.url,R.label=1;case 1:return R.trys.push([1,3,,4]),[4,r.context.cache.match(n)];case 2:return s=R.sent(),[3,4];case 3:return R.sent(),r.context.logger.error("Error loading background-image "+n),[3,4];case 4:return s&&(o=Ub(e,t,[s.width,s.height,s.width/s.height]),_=o[0],x=o[1],C=o[2],B=o[3],w=o[4],g=r.ctx.createPattern(r.resizeImage(s,B,w),"repeat"),r.renderRepeat(_,g,x,C)),[3,6];case 5:1===i.type?(a=Ub(e,t,[null,null,null]),_=a[0],x=a[1],C=a[2],B=a[3],w=a[4],l=Cg(i.angle,B,w),u=l[0],c=l[1],A=l[2],h=l[3],d=l[4],(p=document.createElement("canvas")).width=B,p.height=w,f=p.getContext("2d"),v=f.createLinearGradient(c,h,A,d),xg(i.stops,u).forEach((function(e){return v.addColorStop(e.stop,dg(e.color))})),f.fillStyle=v,f.fillRect(0,0,B,w),B>0&&w>0&&(g=r.ctx.createPattern(p,"repeat"),r.renderRepeat(_,g,x,C))):function(e){return 2===e.type}(i)&&(m=Ub(e,t,[null,null,null]),_=m[0],y=m[1],b=m[2],B=m[3],w=m[4],P=0===i.position.length?[rg]:i.position,x=og(P[0],B),C=og(P[P.length-1],w),M=function(e,t,i,r,s){var n=0,o=0;switch(e.size){case 0:0===e.shape?n=o=Math.min(Math.abs(t),Math.abs(t-r),Math.abs(i),Math.abs(i-s)):1===e.shape&&(n=Math.min(Math.abs(t),Math.abs(t-r)),o=Math.min(Math.abs(i),Math.abs(i-s)));break;case 2:if(0===e.shape)n=o=Math.min(Mg(t,i),Mg(t,i-s),Mg(t-r,i),Mg(t-r,i-s));else if(1===e.shape){var a=Math.min(Math.abs(i),Math.abs(i-s))/Math.min(Math.abs(t),Math.abs(t-r)),l=Eg(r,s,t,i,!0),u=l[0],c=l[1];o=a*(n=Mg(u-t,(c-i)/a))}break;case 1:0===e.shape?n=o=Math.max(Math.abs(t),Math.abs(t-r),Math.abs(i),Math.abs(i-s)):1===e.shape&&(n=Math.max(Math.abs(t),Math.abs(t-r)),o=Math.max(Math.abs(i),Math.abs(i-s)));break;case 3:if(0===e.shape)n=o=Math.max(Mg(t,i),Mg(t,i-s),Mg(t-r,i),Mg(t-r,i-s));else if(1===e.shape){a=Math.max(Math.abs(i),Math.abs(i-s))/Math.max(Math.abs(t),Math.abs(t-r));var A=Eg(r,s,t,i,!1);u=A[0],c=A[1],o=a*(n=Mg(u-t,(c-i)/a))}}return Array.isArray(e.size)&&(n=og(e.size[0],r),o=2===e.size.length?og(e.size[1],s):n),[n,o]}(i,x,C,B,w),E=M[0],F=M[1],E>0&&F>0&&(k=r.ctx.createRadialGradient(y+x,b+C,0,y+x,b+C,E),xg(i.stops,2*E).forEach((function(e){return k.addColorStop(e.stop,dg(e.color))})),r.path(_),r.ctx.fillStyle=k,E!==F?(I=e.bounds.left+.5*e.bounds.width,D=e.bounds.top+.5*e.bounds.height,T=1/(S=F/E),r.ctx.save(),r.ctx.translate(I,D),r.ctx.transform(1,0,0,S,0,0),r.ctx.translate(-I,-D),r.ctx.fillRect(y,T*(b-D)+D,B,w*T),r.ctx.restore()):r.ctx.fill())),R.label=6;case 6:return t--,[2]}}))},r=this,s=0,n=e.styles.backgroundImage.slice(0).reverse(),a.label=1;case 1:return s<n.length?(o=n[s],[5,i(o)]):[3,4];case 2:a.sent(),a.label=3;case 3:return s++,[3,1];case 4:return[2]}}))}))},t.prototype.renderSolidBorder=function(e,t,i){return uf(this,void 0,void 0,(function(){return cf(this,(function(r){return this.path(Db(i,t)),this.ctx.fillStyle=dg(e),this.ctx.fill(),[2]}))}))},t.prototype.renderDoubleBorder=function(e,t,i,r){return uf(this,void 0,void 0,(function(){var s,n;return cf(this,(function(o){switch(o.label){case 0:return t<3?[4,this.renderSolidBorder(e,i,r)]:[3,2];case 1:return o.sent(),[2];case 2:return s=function(e,t){switch(t){case 0:return Tb(e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox,e.topRightBorderBox,e.topRightBorderDoubleOuterBox);case 1:return Tb(e.topRightBorderBox,e.topRightBorderDoubleOuterBox,e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox);case 2:return Tb(e.bottomRightBorderBox,e.bottomRightBorderDoubleOuterBox,e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox);default:return Tb(e.bottomLeftBorderBox,e.bottomLeftBorderDoubleOuterBox,e.topLeftBorderBox,e.topLeftBorderDoubleOuterBox)}}(r,i),this.path(s),this.ctx.fillStyle=dg(e),this.ctx.fill(),n=function(e,t){switch(t){case 0:return Tb(e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox,e.topRightBorderDoubleInnerBox,e.topRightPaddingBox);case 1:return Tb(e.topRightBorderDoubleInnerBox,e.topRightPaddingBox,e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox);case 2:return Tb(e.bottomRightBorderDoubleInnerBox,e.bottomRightPaddingBox,e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox);default:return Tb(e.bottomLeftBorderDoubleInnerBox,e.bottomLeftPaddingBox,e.topLeftBorderDoubleInnerBox,e.topLeftPaddingBox)}}(r,i),this.path(n),this.ctx.fill(),[2]}}))}))},t.prototype.renderNodeBackgroundAndBorders=function(e){return uf(this,void 0,void 0,(function(){var t,i,r,s,n,o,a,l,u=this;return cf(this,(function(c){switch(c.label){case 0:return this.applyEffects(e.getEffects(2)),t=e.container.styles,i=!hg(t.backgroundColor)||t.backgroundImage.length,r=[{style:t.borderTopStyle,color:t.borderTopColor,width:t.borderTopWidth},{style:t.borderRightStyle,color:t.borderRightColor,width:t.borderRightWidth},{style:t.borderBottomStyle,color:t.borderBottomColor,width:t.borderBottomWidth},{style:t.borderLeftStyle,color:t.borderLeftColor,width:t.borderLeftWidth}],s=Wb(Vb(t.backgroundClip,0),e.curves),i||t.boxShadow.length?(this.ctx.save(),this.path(s),this.ctx.clip(),hg(t.backgroundColor)||(this.ctx.fillStyle=dg(t.backgroundColor),this.ctx.fill()),[4,this.renderBackgroundImage(e.container)]):[3,2];case 1:c.sent(),this.ctx.restore(),t.boxShadow.slice(0).reverse().forEach((function(t){u.ctx.save();var i,r,s,n,o,a=yb(e.curves),l=t.inset?0:1e4,c=(i=a,r=-l+(t.inset?1:-1)*t.spread.number,s=(t.inset?1:-1)*t.spread.number,n=t.spread.number*(t.inset?-2:2),o=t.spread.number*(t.inset?-2:2),i.map((function(e,t){switch(t){case 0:return e.add(r,s);case 1:return e.add(r+n,s);case 2:return e.add(r+n,s+o);case 3:return e.add(r,s+o)}return e})));t.inset?(u.path(a),u.ctx.clip(),u.mask(c)):(u.mask(a),u.ctx.clip(),u.path(c)),u.ctx.shadowOffsetX=t.offsetX.number+l,u.ctx.shadowOffsetY=t.offsetY.number,u.ctx.shadowColor=dg(t.color),u.ctx.shadowBlur=t.blur.number,u.ctx.fillStyle=t.inset?dg(t.color):"rgba(0,0,0,1)",u.ctx.fill(),u.ctx.restore()})),c.label=2;case 2:n=0,o=0,a=r,c.label=3;case 3:return o<a.length?0!==(l=a[o]).style&&!hg(l.color)&&l.width>0?2!==l.style?[3,5]:[4,this.renderDashedDottedBorder(l.color,l.width,n,e.curves,2)]:[3,11]:[3,13];case 4:return c.sent(),[3,11];case 5:return 3!==l.style?[3,7]:[4,this.renderDashedDottedBorder(l.color,l.width,n,e.curves,3)];case 6:return c.sent(),[3,11];case 7:return 4!==l.style?[3,9]:[4,this.renderDoubleBorder(l.color,l.width,n,e.curves)];case 8:return c.sent(),[3,11];case 9:return[4,this.renderSolidBorder(l.color,n,e.curves)];case 10:c.sent(),c.label=11;case 11:n++,c.label=12;case 12:return o++,[3,3];case 13:return[2]}}))}))},t.prototype.renderDashedDottedBorder=function(e,t,i,r,s){return uf(this,void 0,void 0,(function(){var n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y;return cf(this,(function(b){return this.ctx.save(),n=function(e,t){switch(t){case 0:return Sb(e.topLeftBorderStroke,e.topRightBorderStroke);case 1:return Sb(e.topRightBorderStroke,e.bottomRightBorderStroke);case 2:return Sb(e.bottomRightBorderStroke,e.bottomLeftBorderStroke);default:return Sb(e.bottomLeftBorderStroke,e.topLeftBorderStroke)}}(r,i),o=Db(r,i),2===s&&(this.path(o),this.ctx.clip()),gb(o[0])?(a=o[0].start.x,l=o[0].start.y):(a=o[0].x,l=o[0].y),gb(o[1])?(u=o[1].end.x,c=o[1].end.y):(u=o[1].x,c=o[1].y),A=0===i||2===i?Math.abs(a-u):Math.abs(l-c),this.ctx.beginPath(),3===s?this.formatPath(n):this.formatPath(o.slice(0,2)),h=t<3?3*t:2*t,d=t<3?2*t:t,3===s&&(h=t,d=t),p=!0,A<=2*h?p=!1:A<=2*h+d?(h*=f=A/(2*h+d),d*=f):(v=Math.floor((A+d)/(h+d)),g=(A-v*h)/(v-1),d=(m=(A-(v+1)*h)/v)<=0||Math.abs(d-g)<Math.abs(d-m)?g:m),p&&(3===s?this.ctx.setLineDash([0,h+d]):this.ctx.setLineDash([h,d])),3===s?(this.ctx.lineCap="round",this.ctx.lineWidth=t):this.ctx.lineWidth=2*t+1.1,this.ctx.strokeStyle=dg(e),this.ctx.stroke(),this.ctx.setLineDash([]),2===s&&(gb(o[0])&&(_=o[3],y=o[0],this.ctx.beginPath(),this.formatPath([new pb(_.end.x,_.end.y),new pb(y.start.x,y.start.y)]),this.ctx.stroke()),gb(o[1])&&(_=o[1],y=o[2],this.ctx.beginPath(),this.formatPath([new pb(_.end.x,_.end.y),new pb(y.start.x,y.start.y)]),this.ctx.stroke())),this.ctx.restore(),[2]}))}))},t.prototype.render=function(e){return uf(this,void 0,void 0,(function(){var t;return cf(this,(function(i){switch(i.label){case 0:return this.options.backgroundColor&&(this.ctx.fillStyle=dg(this.options.backgroundColor),this.ctx.fillRect(this.options.x,this.options.y,this.options.width,this.options.height)),t=Ib(e),[4,this.renderStack(t)];case 1:return i.sent(),this.applyEffects([]),[2,this.canvas]}}))}))},t}(Gb),Kb=function(e){return e instanceof oy||(e instanceof ny||e instanceof sy&&"radio"!==e.type&&"checkbox"!==e.type)},Wb=function(e,t){switch(e){case 0:return yb(t);case 2:return function(e){return[e.topLeftContentBox,e.topRightContentBox,e.bottomRightContentBox,e.bottomLeftContentBox]}(t);default:return bb(t)}},Xb=function(e){switch(e){case 1:return"center";case 2:return"right";default:return"left"}},Jb=["-apple-system","system-ui"],Yb=function(e){return/iPhone OS 15_(0|1)/.test(window.navigator.userAgent)?e.filter((function(e){return-1===Jb.indexOf(e)})):e},Zb=function(e){function t(t,i){var r=e.call(this,t,i)||this;return r.canvas=i.canvas?i.canvas:document.createElement("canvas"),r.ctx=r.canvas.getContext("2d"),r.options=i,r.canvas.width=Math.floor(i.width*i.scale),r.canvas.height=Math.floor(i.height*i.scale),r.canvas.style.width=i.width+"px",r.canvas.style.height=i.height+"px",r.ctx.scale(r.options.scale,r.options.scale),r.ctx.translate(-i.x,-i.y),r.context.logger.debug("EXPERIMENTAL ForeignObject renderer initialized ("+i.width+"x"+i.height+" at "+i.x+","+i.y+") with scale "+i.scale),r}return af(t,e),t.prototype.render=function(e){return uf(this,void 0,void 0,(function(){var t,i;return cf(this,(function(r){switch(r.label){case 0:return t=L_(this.options.width*this.options.scale,this.options.height*this.options.scale,this.options.scale,this.options.scale,e),[4,qb(t)];case 1:return 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r=Math.max(Math.max(t.scrollWidth,i.scrollWidth),Math.max(t.offsetWidth,i.offsetWidth),Math.max(t.clientWidth,i.clientWidth)),s=Math.max(Math.max(t.scrollHeight,i.scrollHeight),Math.max(t.offsetHeight,i.offsetHeight),Math.max(t.clientHeight,i.clientHeight));return new hf(0,0,r,s)}(h.ownerDocument):df(l,h),f=p.width,v=p.height,g=p.left,m=p.top,_=rB(l,h,t.backgroundColor),b={canvas:t.canvas,backgroundColor:_,scale:null!==(R=null!==(T=t.scale)&&void 0!==T?T:r.devicePixelRatio)&&void 0!==R?R:1,x:(null!==(L=t.x)&&void 0!==L?L:0)+g,y:(null!==(U=t.y)&&void 0!==U?U:0)+m,width:null!==(O=t.width)&&void 0!==O?O:Math.ceil(f),height:null!==(N=t.height)&&void 0!==N?N:Math.ceil(v)},u?(l.logger.debug("Document cloned, using foreign object rendering"),[4,new Zb(l,b).render(h)]):[3,3];case 2:return B=V.sent(),[3,5];case 3:return l.logger.debug("Document cloned, element located at "+g+","+m+" with size "+f+"x"+v+" using computed rendering"),l.logger.debug("Starting DOM 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sf(this,this.scene),this.id=t.id||this.scene.id,this.camera=this.scene.camera,this.cameraFlight=new zd(this.scene,{duration:.5}),this.cameraControl=new qp(this.scene,{doublePickFlyTo:!0}),this._plugins=[],this._eventSubs={}}var t;return C(e,[{key:"capabilities",get:function(){return this.scene.capabilities}},{key:"on",value:function(e,t){var i=this._eventSubs[e];i||(i=[],this._eventSubs[e]=i),i.push(t)}},{key:"fire",value:function(e,t){var i=this._eventSubs[e];if(i)for(var r=0,s=i.length;r<s;r++)i[r](t)}},{key:"off",value:function(e){}},{key:"log",value:function(e){console.log("[xeokit viewer ".concat(this.id,"]: ").concat(e))}},{key:"error",value:function(e){console.error("[xeokit viewer ".concat(this.id,"]: ").concat(e))}},{key:"addPlugin",value:function(e){this._plugins.push(e)}},{key:"removePlugin",value:function(e){for(var t=0,i=this._plugins.length;t<i;t++){var r=this._plugins[t];if(r===e)return r.clear&&r.clear(),void 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Kx(){return(Kx=o(s().mark((function e(t,i){var r,n,o,a,l,u;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if("auto"!==i.basis.containerFormat){e.next=11;break}if(!Gx(t)){e.next=6;break}return e.next=4,_x(i);case 4:return r=e.sent,e.abrupt("return",Jx(r.KTX2File,t,i));case 6:return e.next=8,px(i);case 8:return n=e.sent,o=n.BasisFile,e.abrupt("return",Wx(o,t,i));case 11:e.t0=i.basis.module,e.next="encoder"===e.t0?14:(e.t0,22);break;case 14:return e.next=16,_x(i);case 16:a=e.sent,e.t1=i.basis.containerFormat,e.next="ktx2"===e.t1?20:(e.t1,21);break;case 20:return e.abrupt("return",Jx(a.KTX2File,t,i));case 21:return e.abrupt("return",Wx(a.BasisFile,t,i));case 22:return e.next=24,px(i);case 24:return l=e.sent,u=l.BasisFile,e.abrupt("return",Wx(u,t,i));case 27:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function Wx(e,t,i){var r=new e(new Uint8Array(t));try{if(!r.startTranscoding())throw new Error("Failed to start basis transcoding");for(var s=r.getNumImages(),n=[],o=0;o<s;o++){for(var a=r.getNumLevels(o),l=[],u=0;u<a;u++)l.push(Xx(r,o,u,i));n.push(l)}return n}finally{r.close(),r.delete()}}function Xx(e,t,i,r){var s=e.getImageWidth(t,i),n=e.getImageHeight(t,i),o=e.getHasAlpha(),a=Zx(r,o),l=a.compressed,u=a.format,c=a.basisFormat,A=e.getImageTranscodedSizeInBytes(t,i,c),h=new Uint8Array(A);if(!e.transcodeImage(h,t,i,c,0,0))throw new Error("failed to start Basis transcoding");return{width:s,height:n,data:h,compressed:l,format:u,hasAlpha:o}}function Jx(e,t,i){var r=new e(new Uint8Array(t));try{if(!r.startTranscoding())throw new Error("failed to start KTX2 transcoding");for(var s=r.getLevels(),n=[],o=0;o<s;o++){n.push(Yx(r,o,i));break}return[n]}finally{r.close(),r.delete()}}function Yx(e,t,i){var r=e.getImageLevelInfo(t,0,0),s=r.alphaFlag,n=r.height,o=r.width,a=Zx(i,s),l=a.compressed,u=a.format,c=a.basisFormat,A=e.getImageTranscodedSizeInBytes(t,0,0,c),h=new Uint8Array(A);if(!e.transcodeImage(h,t,0,0,c,0,-1,-1))throw new Error("Failed to transcode KTX2 image");return{width:o,height:n,data:h,compressed:l,hasAlpha:s,format:u}}function Zx(e,t){var i=e&&e.basis&&e.basis.format;return"auto"===i&&(i=qx()),"object"===y(i)&&(i=t?i.alpha:i.noAlpha),i=i.toLowerCase(),zx[i]}function qx(){var e=Hx();return e.has("astc")?"astc-4x4":e.has("dxt")?{alpha:"bc3",noAlpha:"bc1"}:e.has("pvrtc")?{alpha:"pvrtc1-4-rgba",noAlpha:"pvrtc1-4-rgb"}:e.has("etc1")?"etc1":e.has("etc2")?"etc2":"rgb565"}var $x=l(l({},{name:"Basis",id:"basis",module:"textures",version:"3.2.6",worker:!0,extensions:["basis","ktx2"],mimeTypes:["application/octet-stream","image/ktx2"],tests:["sB"],binary:!0,options:{basis:{format:"auto",libraryPath:"libs/",containerFormat:"auto",module:"transcoder"}}}),{},{parse:function(e,t){return Kx.apply(this,arguments)}}),eC=globalThis._parseImageNode,tC="undefined"!=typeof Image,iC="undefined"!=typeof ImageBitmap,rC=Boolean(eC),sC=!!oB||rC;function nC(e){var t=function(e){if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"imagebitmap";if("undefined"!=typeof Image&&e instanceof Image)return"image";if(e&&"object"===y(e)&&e.data&&e.width&&e.height)return"data";return null}(e);if(!t)throw new Error("Not an image");return t}function oC(e){switch(nC(e)){case"data":return e;case"image":case"imagebitmap":var t=document.createElement("canvas"),i=t.getContext("2d");if(!i)throw new Error("getImageData");return t.width=e.width,t.height=e.height,i.drawImage(e,0,0),i.getImageData(0,0,e.width,e.height);default:throw new Error("getImageData")}}var aC=/^data:image\/svg\+xml/,lC=/\.svg((\?|#).*)?$/;function uC(e){return e&&(aC.test(e)||lC.test(e))}function cC(e,t){if(uC(t)){var i=(new TextDecoder).decode(e);try{"function"==typeof unescape&&"function"==typeof encodeURIComponent&&(i=unescape(encodeURIComponent(i)))}catch(e){throw new Error(e.message)}return"data:image/svg+xml;base64,".concat(btoa(i))}return AC(e,t)}function AC(e,t){if(uC(t))throw new Error("SVG cannot be parsed directly to 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9:e.prev=9,e.t0=e.catch(3),console.warn(e.t0),gC=!1;case 13:return e.next=15,createImageBitmap(t);case 15:return e.abrupt("return",e.sent);case 16:case"end":return e.stop()}}),e,null,[[3,9]])}))),bC.apply(this,arguments)}function BC(e){for(var t in e||vC)return!1;return!0}function wC(e){var t=PC(e);return function(e){var t=PC(e);if(!(t.byteLength>=24&&2303741511===t.getUint32(0,false)))return null;return{mimeType:"image/png",width:t.getUint32(16,false),height:t.getUint32(20,false)}}(t)||function(e){var t=PC(e);if(!(t.byteLength>=3&&65496===t.getUint16(0,false)&&255===t.getUint8(2)))return null;var i=function(){for(var e=new Set([65499,65476,65484,65501,65534]),t=65504;t<65520;++t)e.add(t);var i=new Set([65472,65473,65474,65475,65477,65478,65479,65481,65482,65483,65485,65486,65487,65502]);return{tableMarkers:e,sofMarkers:i}}(),r=i.tableMarkers,s=i.sofMarkers,n=2;for(;n+9<t.byteLength;){var o=t.getUint16(n,false);if(s.has(o))return{mimeType:"image/jpeg",height:t.getUint16(n+5,false),width:t.getUint16(n+7,false)};if(!r.has(o))return null;n+=2,n+=t.getUint16(n,false)}return null}(t)||function(e){var t=PC(e);if(!(t.byteLength>=10&&1195984440===t.getUint32(0,false)))return null;return{mimeType:"image/gif",width:t.getUint16(6,true),height:t.getUint16(8,true)}}(t)||function(e){var t=PC(e);if(!(t.byteLength>=14&&16973===t.getUint16(0,false)&&t.getUint32(2,true)===t.byteLength))return null;return{mimeType:"image/bmp",width:t.getUint32(18,true),height:t.getUint32(22,true)}}(t)}function PC(e){if(e instanceof DataView)return e;if(ArrayBuffer.isView(e))return new DataView(e.buffer);if(e instanceof ArrayBuffer)return new DataView(e);throw new Error("toDataView")}function xC(e,t){return CC.apply(this,arguments)}function CC(){return CC=o(s().mark((function e(t,i){var r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return r=wC(t)||{},n=r.mimeType,nB(o=globalThis._parseImageNode),e.next=5,o(t,n);case 5:return e.abrupt("return",e.sent);case 6:case"end":return e.stop()}}),e)}))),CC.apply(this,arguments)}function MC(){return(MC=o(s().mark((function e(t,i,r){var n,o,a,l,u;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:n=(i=i||{}).image||{},o=n.type||"auto",a=(r||{}).url,l=EC(o),e.t0=l,e.next="imagebitmap"===e.t0?8:"image"===e.t0?12:"data"===e.t0?16:20;break;case 8:return e.next=10,mC(t,i,a);case 10:return u=e.sent,e.abrupt("break",21);case 12:return e.next=14,hC(t,i,a);case 14:return u=e.sent,e.abrupt("break",21);case 16:return e.next=18,xC(t);case 18:return u=e.sent,e.abrupt("break",21);case 20:nB(!1);case 21:return"data"===o&&(u=oC(u)),e.abrupt("return",u);case 23:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function EC(e){switch(e){case"auto":case"data":return function(){if(iC)return"imagebitmap";if(tC)return"image";if(sC)return"data";throw new Error("Install 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0===document.createElement("canvas").toDataURL("image/webp").indexOf("data:image/webp")}catch(e){return!1}}();case"image/svg":return oB;default:if(!oB){var t=globalThis._parseImageNode;return Boolean(t)&&kC.includes(e)}return!0}}(e)),IC[e]}function SC(e,t){if(!e)throw new Error(t||"assert failed: gltf")}function TC(e,t){if(e.startsWith("data:")||e.startsWith("http:")||e.startsWith("https:"))return e;var i=t.baseUri||t.uri;if(!i)throw new Error("'baseUri' must be provided to resolve relative url ".concat(e));return i.substr(0,i.lastIndexOf("/")+1)+e}function RC(e,t,i){var r=e.bufferViews[i];SC(r);var s=t[r.buffer];SC(s);var n=(r.byteOffset||0)+s.byteOffset;return new Uint8Array(s.arrayBuffer,n,r.byteLength)}var LC=["SCALAR","VEC2","VEC3","VEC4"],UC=[[Int8Array,5120],[Uint8Array,5121],[Int16Array,5122],[Uint16Array,5123],[Uint32Array,5125],[Float32Array,5126],[Float64Array,5130]],OC=new Map(UC),NC={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},QC={5120:1,5121:1,5122:2,5123:2,5125:4,5126:4},VC={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array};function HC(e){return LC[e-1]||LC[0]}function jC(e){var t=OC.get(e.constructor);if(!t)throw new Error("Illegal typed array");return t}function GC(e,t){var i=VC[e.componentType],r=NC[e.type],s=QC[e.componentType],n=e.count*r,o=e.count*r*s;return SC(o>=0&&o<=t.byteLength),{ArrayType:i,length:n,byteLength:o}}var zC,KC={asset:{version:"2.0",generator:"loaders.gl"},buffers:[]},WC=function(){function e(t){P(this,e),fB(this,"gltf",void 0),fB(this,"sourceBuffers",void 0),fB(this,"byteLength",void 0),this.gltf=t||{json:l({},KC),buffers:[]},this.sourceBuffers=[],this.byteLength=0,this.gltf.buffers&&this.gltf.buffers[0]&&(this.byteLength=this.gltf.buffers[0].byteLength,this.sourceBuffers=[this.gltf.buffers[0]])}return C(e,[{key:"json",get:function(){return this.gltf.json}},{key:"getApplicationData",value:function(e){return this.json[e]}},{key:"getExtraData",value:function(e){return(this.json.extras||{})[e]}},{key:"getExtension",value:function(e){var t=this.getUsedExtensions().find((function(t){return t===e})),i=this.json.extensions||{};return t?i[e]||!0:null}},{key:"getRequiredExtension",value:function(e){var t=this.getRequiredExtensions().find((function(t){return t===e}));return t?this.getExtension(e):null}},{key:"getRequiredExtensions",value:function(){return this.json.extensionsRequired||[]}},{key:"getUsedExtensions",value:function(){return this.json.extensionsUsed||[]}},{key:"getObjectExtension",value:function(e,t){return(e.extensions||{})[t]}},{key:"getScene",value:function(e){return this.getObject("scenes",e)}},{key:"getNode",value:function(e){return this.getObject("nodes",e)}},{key:"getSkin",value:function(e){return this.getObject("skins",e)}},{key:"getMesh",value:function(e){return this.getObject("meshes",e)}},{key:"getMaterial",value:function(e){return this.getObject("materials",e)}},{key:"getAccessor",value:function(e){return this.getObject("accessors",e)}},{key:"getTexture",value:function(e){return this.getObject("textures",e)}},{key:"getSampler",value:function(e){return this.getObject("samplers",e)}},{key:"getImage",value:function(e){return this.getObject("images",e)}},{key:"getBufferView",value:function(e){return this.getObject("bufferViews",e)}},{key:"getBuffer",value:function(e){return this.getObject("buffers",e)}},{key:"getObject",value:function(e,t){if("object"===y(t))return t;var i=this.json[e]&&this.json[e][t];if(!i)throw new Error("glTF file error: Could not find ".concat(e,"[").concat(t,"]"));return i}},{key:"getTypedArrayForBufferView",value:function(e){var t=(e=this.getBufferView(e)).buffer,i=this.gltf.buffers[t];SC(i);var r=(e.byteOffset||0)+i.byteOffset;return new Uint8Array(i.arrayBuffer,r,e.byteLength)}},{key:"getTypedArrayForAccessor",value:function(e){e=this.getAccessor(e);var t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,r=GC(e,t),s=r.ArrayType,n=r.length;return new s(i,t.byteOffset+e.byteOffset,n)}},{key:"getTypedArrayForImageData",value:function(e){e=this.getAccessor(e);var t=this.getBufferView(e.bufferView),i=this.getBuffer(t.buffer).data,r=t.byteOffset||0;return new Uint8Array(i,r,t.byteLength)}},{key:"addApplicationData",value:function(e,t){return this.json[e]=t,this}},{key:"addExtraData",value:function(e,t){return this.json.extras=this.json.extras||{},this.json.extras[e]=t,this}},{key:"addObjectExtension",value:function(e,t,i){return e.extensions=e.extensions||{},e.extensions[t]=i,this.registerUsedExtension(t),this}},{key:"setObjectExtension",value:function(e,t,i){(e.extensions||{})[t]=i}},{key:"removeObjectExtension",value:function(e,t){var i=e.extensions||{},r=i[t];return delete i[t],r}},{key:"addExtension",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return SC(t),this.json.extensions=this.json.extensions||{},this.json.extensions[e]=t,this.registerUsedExtension(e),t}},{key:"addRequiredExtension",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return SC(t),this.addExtension(e,t),this.registerRequiredExtension(e),t}},{key:"registerUsedExtension",value:function(e){this.json.extensionsUsed=this.json.extensionsUsed||[],this.json.extensionsUsed.find((function(t){return t===e}))||this.json.extensionsUsed.push(e)}},{key:"registerRequiredExtension",value:function(e){this.registerUsedExtension(e),this.json.extensionsRequired=this.json.extensionsRequired||[],this.json.extensionsRequired.find((function(t){return t===e}))||this.json.extensionsRequired.push(e)}},{key:"removeExtension",value:function(e){this.json.extensionsRequired&&this._removeStringFromArray(this.json.extensionsRequired,e),this.json.extensionsUsed&&this._removeStringFromArray(this.json.extensionsUsed,e),this.json.extensions&&delete this.json.extensions[e]}},{key:"setDefaultScene",value:function(e){this.json.scene=e}},{key:"addScene",value:function(e){var t=e.nodeIndices;return this.json.scenes=this.json.scenes||[],this.json.scenes.push({nodes:t}),this.json.scenes.length-1}},{key:"addNode",value:function(e){var t=e.meshIndex,i=e.matrix;this.json.nodes=this.json.nodes||[];var r={mesh:t};return i&&(r.matrix=i),this.json.nodes.push(r),this.json.nodes.length-1}},{key:"addMesh",value:function(e){var t=e.attributes,i=e.indices,r=e.material,s=e.mode,n=void 0===s?4:s,o={primitives:[{attributes:this._addAttributes(t),mode:n}]};if(i){var a=this._addIndices(i);o.primitives[0].indices=a}return Number.isFinite(r)&&(o.primitives[0].material=r),this.json.meshes=this.json.meshes||[],this.json.meshes.push(o),this.json.meshes.length-1}},{key:"addPointCloud",value:function(e){var t={primitives:[{attributes:this._addAttributes(e),mode:0}]};return this.json.meshes=this.json.meshes||[],this.json.meshes.push(t),this.json.meshes.length-1}},{key:"addImage",value:function(e,t){var i=wC(e),r=t||(null==i?void 0:i.mimeType),s={bufferView:this.addBufferView(e),mimeType:r};return this.json.images=this.json.images||[],this.json.images.push(s),this.json.images.length-1}},{key:"addBufferView",value:function(e){var t=e.byteLength;SC(Number.isFinite(t)),this.sourceBuffers=this.sourceBuffers||[],this.sourceBuffers.push(e);var i={buffer:0,byteOffset:this.byteLength,byteLength:t};return this.byteLength+=JB(t,4),this.json.bufferViews=this.json.bufferViews||[],this.json.bufferViews.push(i),this.json.bufferViews.length-1}},{key:"addAccessor",value:function(e,t){var i={bufferView:e,type:HC(t.size),componentType:t.componentType,count:t.count,max:t.max,min:t.min};return this.json.accessors=this.json.accessors||[],this.json.accessors.push(i),this.json.accessors.length-1}},{key:"addBinaryBuffer",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{size:3},i=this.addBufferView(e),r={min:t.min,max:t.max};r.min&&r.max||(r=this._getAccessorMinMax(e,t.size));var s={size:t.size,componentType:jC(e),count:Math.round(e.length/t.size),min:r.min,max:r.max};return this.addAccessor(i,Object.assign(s,t))}},{key:"addTexture",value:function(e){var t={source:e.imageIndex};return this.json.textures=this.json.textures||[],this.json.textures.push(t),this.json.textures.length-1}},{key:"addMaterial",value:function(e){return this.json.materials=this.json.materials||[],this.json.materials.push(e),this.json.materials.length-1}},{key:"createBinaryChunk",value:function(){var e,t;this.gltf.buffers=[];var i,r=this.byteLength,s=new ArrayBuffer(r),n=new Uint8Array(s),o=0,a=A(this.sourceBuffers||[]);try{for(a.s();!(i=a.n()).done;){o=YB(i.value,n,o)}}catch(e){a.e(e)}finally{a.f()}null!==(e=this.json)&&void 0!==e&&null!==(t=e.buffers)&&void 0!==t&&t[0]?this.json.buffers[0].byteLength=r:this.json.buffers=[{byteLength:r}],this.gltf.binary=s,this.sourceBuffers=[s]}},{key:"_removeStringFromArray",value:function(e,t){for(var i=!0;i;){var r=e.indexOf(t);r>-1?e.splice(r,1):i=!1}}},{key:"_addAttributes",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t={};for(var i in e){var r=e[i],s=this._getGltfAttributeName(i),n=this.addBinaryBuffer(r.value,r);t[s]=n}return t}},{key:"_addIndices",value:function(e){return this.addBinaryBuffer(e,{size:1})}},{key:"_getGltfAttributeName",value:function(e){switch(e.toLowerCase()){case"position":case"positions":case"vertices":return"POSITION";case"normal":case"normals":return"NORMAL";case"color":case"colors":return"COLOR_0";case"texcoord":case"texcoords":return"TEXCOORD_0";default:return e}}},{key:"_getAccessorMinMax",value:function(e,t){var i={min:null,max:null};if(e.length<t)return i;i.min=[],i.max=[];var r,s=A(e.subarray(0,t));try{for(s.s();!(r=s.n()).done;){var n=r.value;i.min.push(n),i.max.push(n)}}catch(e){s.e(e)}finally{s.f()}for(var o=t;o<e.length;o+=t)for(var a=0;a<t;a++)i.min[0+a]=Math.min(i.min[0+a],e[o+a]),i.max[0+a]=Math.max(i.max[0+a],e[o+a]);return 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",JC="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t,i={},r=A(e);try{for(r.s();!(t=r.n()).done;){var s=t.value;i[s.name]&&console.warn("Schema: duplicated field name",s.name,s),i[s.name]=!0}}catch(e){r.e(e)}finally{r.f()}}(t),this.fields=t,this.metadata=i||new Map}return C(e,[{key:"compareTo",value:function(e){if(this.metadata!==e.metadata)return!1;if(this.fields.length!==e.fields.length)return!1;for(var t=0;t<this.fields.length;++t)if(!this.fields[t].compareTo(e.fields[t]))return!1;return!0}},{key:"select",value:function(){for(var t=Object.create(null),i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];for(var n=0,o=r;n<o.length;n++){var a=o[n];t[a]=!0}var l=this.fields.filter((function(e){return t[e.name]}));return new e(l,this.metadata)}},{key:"selectAt",value:function(){for(var t=this,i=arguments.length,r=new Array(i),s=0;s<i;s++)r[s]=arguments[s];var n=r.map((function(e){return t.fields[e]})).filter(Boolean);return new e(n,this.metadata)}},{key:"assign",value:function(t){var i,r=this.metadata;if(t instanceof e){var s=t;i=s.fields,r=gM(gM(new Map,this.metadata),s.metadata)}else i=t;var n,o=Object.create(null),a=A(this.fields);try{for(a.s();!(n=a.n()).done;){var l=n.value;o[l.name]=l}}catch(e){a.e(e)}finally{a.f()}var u,c=A(i);try{for(c.s();!(u=c.n()).done;){var h=u.value;o[h.name]=h}}catch(e){c.e(e)}finally{c.f()}return new e(Object.values(o),r)}}]),e}();function gM(e,t){return new Map([].concat(c(e||new Map),c(t||new Map)))}var mM,_M=function(){function e(t,i){var r=arguments.length>2&&void 0!==arguments[2]&&arguments[2],s=arguments.length>3&&void 0!==arguments[3]?arguments[3]:new Map;P(this,e),fB(this,"name",void 0),fB(this,"type",void 0),fB(this,"nullable",void 0),fB(this,"metadata",void 0),this.name=t,this.type=i,this.nullable=r,this.metadata=s}return C(e,[{key:"typeId",get:function(){return this.type&&this.type.typeId}},{key:"clone",value:function(){return new e(this.name,this.type,this.nullable,this.metadata)}},{key:"compareTo",value:function(e){return this.name===e.name&&this.type===e.type&&this.nullable===e.nullable&&this.metadata===e.metadata}},{key:"toString",value:function(){return"".concat(this.type).concat(this.nullable?", nullable":"").concat(this.metadata?", metadata: ".concat(this.metadata):"")}}]),e}();!function(e){e[e.NONE=0]="NONE",e[e.Null=1]="Null",e[e.Int=2]="Int",e[e.Float=3]="Float",e[e.Binary=4]="Binary",e[e.Utf8=5]="Utf8",e[e.Bool=6]="Bool",e[e.Decimal=7]="Decimal",e[e.Date=8]="Date",e[e.Time=9]="Time",e[e.Timestamp=10]="Timestamp",e[e.Interval=11]="Interval",e[e.List=12]="List",e[e.Struct=13]="Struct",e[e.Union=14]="Union",e[e.FixedSizeBinary=15]="FixedSizeBinary",e[e.FixedSizeList=16]="FixedSizeList",e[e.Map=17]="Map",e[e.Dictionary=-1]="Dictionary",e[e.Int8=-2]="Int8",e[e.Int16=-3]="Int16",e[e.Int32=-4]="Int32",e[e.Int64=-5]="Int64",e[e.Uint8=-6]="Uint8",e[e.Uint16=-7]="Uint16",e[e.Uint32=-8]="Uint32",e[e.Uint64=-9]="Uint64",e[e.Float16=-10]="Float16",e[e.Float32=-11]="Float32",e[e.Float64=-12]="Float64",e[e.DateDay=-13]="DateDay",e[e.DateMillisecond=-14]="DateMillisecond",e[e.TimestampSecond=-15]="TimestampSecond",e[e.TimestampMillisecond=-16]="TimestampMillisecond",e[e.TimestampMicrosecond=-17]="TimestampMicrosecond",e[e.TimestampNanosecond=-18]="TimestampNanosecond",e[e.TimeSecond=-19]="TimeSecond",e[e.TimeMillisecond=-20]="TimeMillisecond",e[e.TimeMicrosecond=-21]="TimeMicrosecond",e[e.TimeNanosecond=-22]="TimeNanosecond",e[e.DenseUnion=-23]="DenseUnion",e[e.SparseUnion=-24]="SparseUnion",e[e.IntervalDayTime=-25]="IntervalDayTime",e[e.IntervalYearMonth=-26]="IntervalYearMonth"}(mM||(mM={}));var yM=function(){function e(){P(this,e)}return C(e,[{key:"typeId",get:function(){return mM.NONE}},{key:"compareTo",value:function(e){return this===e}}],[{key:"isNull",value:function(e){return e&&e.typeId===mM.Null}},{key:"isInt",value:function(e){return e&&e.typeId===mM.Int}},{key:"isFloat",value:function(e){return e&&e.typeId===mM.Float}},{key:"isBinary",value:function(e){return e&&e.typeId===mM.Binary}},{key:"isUtf8",value:function(e){return e&&e.typeId===mM.Utf8}},{key:"isBool",value:function(e){return e&&e.typeId===mM.Bool}},{key:"isDecimal",value:function(e){return e&&e.typeId===mM.Decimal}},{key:"isDate",value:function(e){return e&&e.typeId===mM.Date}},{key:"isTime",value:function(e){return e&&e.typeId===mM.Time}},{key:"isTimestamp",value:function(e){return e&&e.typeId===mM.Timestamp}},{key:"isInterval",value:function(e){return e&&e.typeId===mM.Interval}},{key:"isList",value:function(e){return e&&e.typeId===mM.List}},{key:"isStruct",value:function(e){return e&&e.typeId===mM.Struct}},{key:"isUnion",value:function(e){return e&&e.typeId===mM.Union}},{key:"isFixedSizeBinary",value:function(e){return e&&e.typeId===mM.FixedSizeBinary}},{key:"isFixedSizeList",value:function(e){return e&&e.typeId===mM.FixedSizeList}},{key:"isMap",value:function(e){return e&&e.typeId===mM.Map}},{key:"isDictionary",value:function(e){return e&&e.typeId===mM.Dictionary}}]),e}(),bM=function(e,t){p(r,yM);var i=v(r);function r(e,t){var s;return P(this,r),fB(m(s=i.call(this)),"isSigned",void 0),fB(m(s),"bitWidth",void 0),s.isSigned=e,s.bitWidth=t,s}return C(r,[{key:"typeId",get:function(){return mM.Int}},{key:t,get:function(){return"Int"}},{key:"toString",value:function(){return"".concat(this.isSigned?"I":"Ui","nt").concat(this.bitWidth)}}]),r}(0,Symbol.toStringTag),BM=function(e){p(i,bM);var t=v(i);function i(){return P(this,i),t.call(this,!0,8)}return C(i)}(),wM=function(e){p(i,bM);var t=v(i);function i(){return P(this,i),t.call(this,!0,16)}return C(i)}(),PM=function(e){p(i,bM);var t=v(i);function i(){return P(this,i),t.call(this,!0,32)}return C(i)}(),xM=function(e){p(i,bM);var t=v(i);function i(){return P(this,i),t.call(this,!1,8)}return C(i)}(),CM=function(e){p(i,bM);var t=v(i);function i(){return P(this,i),t.call(this,!1,16)}return C(i)}(),MM=function(e){p(i,bM);var t=v(i);function i(){return P(this,i),t.call(this,!1,32)}return C(i)}(),EM=32,FM=64,kM=function(e,t){p(r,yM);var i=v(r);function r(e){var t;return P(this,r),fB(m(t=i.call(this)),"precision",void 0),t.precision=e,t}return C(r,[{key:"typeId",get:function(){return mM.Float}},{key:t,get:function(){return"Float"}},{key:"toString",value:function(){return"Float".concat(this.precision)}}]),r}(0,Symbol.toStringTag),IM=function(e){p(i,kM);var t=v(i);function i(){return P(this,i),t.call(this,EM)}return C(i)}(),DM=function(e){p(i,kM);var t=v(i);function i(){return P(this,i),t.call(this,FM)}return C(i)}(),SM=function(e,t){p(r,yM);var i=v(r);function r(e,t){var s;return P(this,r),fB(m(s=i.call(this)),"listSize",void 0),fB(m(s),"children",void 0),s.listSize=e,s.children=[t],s}return C(r,[{key:"typeId",get:function(){return mM.FixedSizeList}},{key:"valueType",get:function(){return this.children[0].type}},{key:"valueField",get:function(){return this.children[0]}},{key:t,get:function(){return"FixedSizeList"}},{key:"toString",value:function(){return"FixedSizeList[".concat(this.listSize,"]<").concat(this.valueType,">")}}]),r}(0,Symbol.toStringTag);function TM(e,t,i){var r=function(e){switch(e.constructor){case Int8Array:return new BM;case Uint8Array:return new xM;case Int16Array:return new wM;case Uint16Array:return new CM;case Int32Array:return new PM;case Uint32Array:return new MM;case Float32Array:return new IM;case Float64Array:return new DM;default:throw new Error("array type not supported")}}(t.value),s=i||function(e){var t=new Map;"byteOffset"in e&&t.set("byteOffset",e.byteOffset.toString(10));"byteStride"in e&&t.set("byteStride",e.byteStride.toString(10));"normalized"in e&&t.set("normalized",e.normalized.toString());return t}(t);return new _M(e,new SM(t.size,new _M("value",r)),!1,s)}function RM(e,t,i){var r=UM(t.metadata),s=[],n=function(e){var t={};for(var i in e){var r=e[i];t[r.name||"undefined"]=r}return t}(t.attributes);for(var o in e){var a=LM(o,e[o],n[o]);s.push(a)}if(i){var l=LM("indices",i);s.push(l)}return new vM(s,r)}function LM(e,t,i){return TM(e,t,i?UM(i.metadata):void 0)}function UM(e){var t=new Map;for(var i in e)t.set("".concat(i,".string"),JSON.stringify(e[i]));return t}var OM={POSITION:"POSITION",NORMAL:"NORMAL",COLOR:"COLOR_0",TEX_COORD:"TEXCOORD_0"},NM={1:Int8Array,2:Uint8Array,3:Int16Array,4:Uint16Array,5:Int32Array,6:Uint32Array,9:Float32Array},QM=function(){function e(t){P(this,e),fB(this,"draco",void 0),fB(this,"decoder",void 0),fB(this,"metadataQuerier",void 0),this.draco=t,this.decoder=new this.draco.Decoder,this.metadataQuerier=new this.draco.MetadataQuerier}return C(e,[{key:"destroy",value:function(){this.draco.destroy(this.decoder),this.draco.destroy(this.metadataQuerier)}},{key:"parseSync",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=new this.draco.DecoderBuffer;i.Init(new Int8Array(e),e.byteLength),this._disableAttributeTransforms(t);var r=this.decoder.GetEncodedGeometryType(i),s=r===this.draco.TRIANGULAR_MESH?new this.draco.Mesh:new this.draco.PointCloud;try{var n;switch(r){case this.draco.TRIANGULAR_MESH:n=this.decoder.DecodeBufferToMesh(i,s);break;case this.draco.POINT_CLOUD:n=this.decoder.DecodeBufferToPointCloud(i,s);break;default:throw new Error("DRACO: Unknown geometry type.")}if(!n.ok()||!s.ptr){var o="DRACO decompression failed: ".concat(n.error_msg());throw new Error(o)}var a=this._getDracoLoaderData(s,r,t),u=this._getMeshData(s,a,t),c=fM(u.attributes),A=RM(u.attributes,a,u.indices),h=l(l({loader:"draco",loaderData:a,header:{vertexCount:s.num_points(),boundingBox:c}},u),{},{schema:A});return h}finally{this.draco.destroy(i),s&&this.draco.destroy(s)}}},{key:"_getDracoLoaderData",value:function(e,t,i){var r=this._getTopLevelMetadata(e),s=this._getDracoAttributes(e,i);return{geometry_type:t,num_attributes:e.num_attributes(),num_points:e.num_points(),num_faces:e instanceof this.draco.Mesh?e.num_faces():0,metadata:r,attributes:s}}},{key:"_getDracoAttributes",value:function(e,t){for(var i={},r=0;r<e.num_attributes();r++){var s=this.decoder.GetAttribute(e,r),n=this._getAttributeMetadata(e,r);i[s.unique_id()]={unique_id:s.unique_id(),attribute_type:s.attribute_type(),data_type:s.data_type(),num_components:s.num_components(),byte_offset:s.byte_offset(),byte_stride:s.byte_stride(),normalized:s.normalized(),attribute_index:r,metadata:n};var o=this._getQuantizationTransform(s,t);o&&(i[s.unique_id()].quantization_transform=o);var a=this._getOctahedronTransform(s,t);a&&(i[s.unique_id()].octahedron_transform=a)}return i}},{key:"_getMeshData",value:function(e,t,i){var r=this._getMeshAttributes(t,e,i);if(!r.POSITION)throw new Error("DRACO: No position attribute found.");return e instanceof this.draco.Mesh?"triangle-strip"===i.topology?{topology:"triangle-strip",mode:4,attributes:r,indices:{value:this._getTriangleStripIndices(e),size:1}}:{topology:"triangle-list",mode:5,attributes:r,indices:{value:this._getTriangleListIndices(e),size:1}}:{topology:"point-list",mode:0,attributes:r}}},{key:"_getMeshAttributes",value:function(e,t,i){for(var r={},s=0,n=Object.values(e.attributes);s<n.length;s++){var o=n[s],a=this._deduceAttributeName(o,i);o.name=a;var l=this._getAttributeValues(t,o),u=l.value,c=l.size;r[a]={value:u,size:c,byteOffset:o.byte_offset,byteStride:o.byte_stride,normalized:o.normalized}}return r}},{key:"_getTriangleListIndices",value:function(e){var t=3*e.num_faces(),i=4*t,r=this.draco._malloc(i);try{return this.decoder.GetTrianglesUInt32Array(e,i,r),new Uint32Array(this.draco.HEAPF32.buffer,r,t).slice()}finally{this.draco._free(r)}}},{key:"_getTriangleStripIndices",value:function(e){var t=new this.draco.DracoInt32Array;try{return this.decoder.GetTriangleStripsFromMesh(e,t),function(e){for(var t=e.size(),i=new Int32Array(t),r=0;r<t;r++)i[r]=e.GetValue(r);return i}(t)}finally{this.draco.destroy(t)}}},{key:"_getAttributeValues",value:function(e,t){var i,r=NM[t.data_type],s=t.num_components,n=e.num_points()*s,o=n*r.BYTES_PER_ELEMENT,a=function(e,t){switch(t){case Float32Array:return e.DT_FLOAT32;case Int8Array:return e.DT_INT8;case Int16Array:return e.DT_INT16;case Int32Array:return e.DT_INT32;case Uint8Array:return e.DT_UINT8;case Uint16Array:return e.DT_UINT16;case Uint32Array:return e.DT_UINT32;default:return e.DT_INVALID}}(this.draco,r),l=this.draco._malloc(o);try{var u=this.decoder.GetAttribute(e,t.attribute_index);this.decoder.GetAttributeDataArrayForAllPoints(e,u,a,o,l),i=new r(this.draco.HEAPF32.buffer,l,n).slice()}finally{this.draco._free(l)}return{value:i,size:s}}},{key:"_deduceAttributeName",value:function(e,t){for(var i=e.unique_id,r=0,s=Object.entries(t.extraAttributes||{});r<s.length;r++){var n=b(s[r],2),o=n[0];if(n[1]===i)return o}var a=e.attribute_type;for(var l in OM){if(this.draco[l]===a)return OM[l]}var u=t.attributeNameEntry||"name";return e.metadata[u]?e.metadata[u].string:"CUSTOM_ATTRIBUTE_".concat(i)}},{key:"_getTopLevelMetadata",value:function(e){var t=this.decoder.GetMetadata(e);return this._getDracoMetadata(t)}},{key:"_getAttributeMetadata",value:function(e,t){var i=this.decoder.GetAttributeMetadata(e,t);return this._getDracoMetadata(i)}},{key:"_getDracoMetadata",value:function(e){if(!e||!e.ptr)return{};for(var t={},i=this.metadataQuerier.NumEntries(e),r=0;r<i;r++){var s=this.metadataQuerier.GetEntryName(e,r);t[s]=this._getDracoMetadataField(e,s)}return t}},{key:"_getDracoMetadataField",value:function(e,t){var i=new this.draco.DracoInt32Array;try{this.metadataQuerier.GetIntEntryArray(e,t,i);var r=function(e){for(var t=e.size(),i=new Int32Array(t),r=0;r<t;r++)i[r]=e.GetValue(r);return i}(i);return{int:this.metadataQuerier.GetIntEntry(e,t),string:this.metadataQuerier.GetStringEntry(e,t),double:this.metadataQuerier.GetDoubleEntry(e,t),intArray:r}}finally{this.draco.destroy(i)}}},{key:"_disableAttributeTransforms",value:function(e){var t,i=e.quantizedAttributes,r=void 0===i?[]:i,s=e.octahedronAttributes,n=void 0===s?[]:s,o=A([].concat(c(r),c(n)));try{for(o.s();!(t=o.n()).done;){var a=t.value;this.decoder.SkipAttributeTransform(this.draco[a])}}catch(e){o.e(e)}finally{o.f()}}},{key:"_getQuantizationTransform",value:function(e,t){var i=this,r=t.quantizedAttributes,s=void 0===r?[]:r,n=e.attribute_type();if(s.map((function(e){return i.decoder[e]})).includes(n)){var o=new this.draco.AttributeQuantizationTransform;try{if(o.InitFromAttribute(e))return{quantization_bits:o.quantization_bits(),range:o.range(),min_values:new Float32Array([1,2,3]).map((function(e){return o.min_value(e)}))}}finally{this.draco.destroy(o)}}return null}},{key:"_getOctahedronTransform",value:function(e,t){var i=this,r=t.octahedronAttributes,s=void 0===r?[]:r,n=e.attribute_type();if(s.map((function(e){return i.decoder[e]})).includes(n)){var o=new this.draco.AttributeQuantizationTransform;try{if(o.InitFromAttribute(e))return{quantization_bits:o.quantization_bits()}}finally{this.draco.destroy(o)}}return null}}]),e}();var VM,HM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.js"),jM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_wasm_wrapper.js"),GM="https://www.gstatic.com/draco/versioned/decoders/".concat("1.4.1","/draco_decoder.wasm");function zM(e){return KM.apply(this,arguments)}function KM(){return(KM=o(s().mark((function e(t){var i;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return i=t.modules||{},VM=i.draco3d?VM||i.draco3d.createDecoderModule({}).then((function(e){return{draco:e}})):VM||WM(t),e.next=4,VM;case 4:return e.abrupt("return",e.sent);case 5:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function WM(e){return XM.apply(this,arguments)}function XM(){return(XM=o(s().mark((function e(t){var i,r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:e.t0=t.draco&&t.draco.decoderType,e.next="js"===e.t0?3:(e.t0,7);break;case 3:return e.next=5,DB(HM,"draco",t);case 5:return i=e.sent,e.abrupt("break",21);case 7:return e.t1=Promise,e.next=10,DB(jM,"draco",t);case 10:return e.t2=e.sent,e.next=13,DB(GM,"draco",t);case 13:return e.t3=e.sent,e.t4=[e.t2,e.t3],e.next=17,e.t1.all.call(e.t1,e.t4);case 17:n=e.sent,o=b(n,2),i=o[0],r=o[1];case 21:return i=i||globalThis.DracoDecoderModule,e.next=24,JM(i,r);case 24:return e.abrupt("return",e.sent);case 25:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function JM(e,t){var i={};return t&&(i.wasmBinary=t),new Promise((function(t){e(l(l({},i),{},{onModuleLoaded:function(e){return t({draco:e})}}))}))}var YM=l(l({},pM),{},{parse:function(e,t){return ZM.apply(this,arguments)}});function ZM(){return(ZM=o(s().mark((function e(t,i){var r,n,o;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return e.next=2,zM(i);case 2:return r=e.sent,n=r.draco,o=new QM(n),e.prev=5,e.abrupt("return",o.parseSync(t,null==i?void 0:i.draco));case 7:return e.prev=7,o.destroy(),e.finish(7);case 10:case"end":return e.stop()}}),e,null,[[5,,7,10]])})))).apply(this,arguments)}function qM(e){var t={};for(var i in e){var r=e[i];if("indices"!==i){var s=$M(r);t[i]=s}}return t}function $M(e){var t=function(e){var t=e,i=1,r=0;e&&e.value&&(t=e.value,i=e.size||1);t&&(ArrayBuffer.isView(t)||(t=function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(!e)return null;if(Array.isArray(e))return new t(e);if(i&&!(e instanceof t))return new t(e);return e}(t,Float32Array)),r=t.length/i);return{buffer:t,size:i,count:r}}(e),i=t.buffer,r=t.size;return{value:i,size:r,byteOffset:0,count:t.count,type:HC(r),componentType:jC(i)}}function eE(){return(eE=o(s().mark((function e(t,i,r){var n,o,a,l,u,c;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(null!=i&&null!==(n=i.gltf)&&void 0!==n&&n.decompressMeshes){e.next=2;break}return e.abrupt("return");case 2:o=new WC(t),a=[],l=A(nE(o));try{for(l.s();!(u=l.n()).done;)c=u.value,o.getObjectExtension(c,"KHR_draco_mesh_compression")&&a.push(tE(o,c,i,r))}catch(e){l.e(e)}finally{l.f()}return e.next=8,Promise.all(a);case 8:o.removeExtension("KHR_draco_mesh_compression");case 9:case"end":return 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t._resolveSampler(e,i)}))),e.textures&&(e.textures=e.textures.map((function(e,i){return t._resolveTexture(e,i)}))),e.accessors&&(e.accessors=e.accessors.map((function(e,i){return t._resolveAccessor(e,i)}))),e.materials&&(e.materials=e.materials.map((function(e,i){return t._resolveMaterial(e,i)}))),e.meshes&&(e.meshes=e.meshes.map((function(e,i){return t._resolveMesh(e,i)}))),e.nodes&&(e.nodes=e.nodes.map((function(e,i){return t._resolveNode(e,i)}))),e.skins&&(e.skins=e.skins.map((function(e,i){return t._resolveSkin(e,i)}))),e.scenes&&(e.scenes=e.scenes.map((function(e,i){return t._resolveScene(e,i)}))),void 0!==e.scene&&(e.scene=e.scenes[this.json.scene])}},{key:"getScene",value:function(e){return this._get("scenes",e)}},{key:"getNode",value:function(e){return this._get("nodes",e)}},{key:"getSkin",value:function(e){return this._get("skins",e)}},{key:"getMesh",value:function(e){return this._get("meshes",e)}},{key:"getMaterial",value:function(e){return 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i=e.pbrMetallicRoughness;i.baseColorTexture&&(i.baseColorTexture=l({},i.baseColorTexture),i.baseColorTexture.texture=this.getTexture(i.baseColorTexture.index)),i.metallicRoughnessTexture&&(i.metallicRoughnessTexture=l({},i.metallicRoughnessTexture),i.metallicRoughnessTexture.texture=this.getTexture(i.metallicRoughnessTexture.index))}return e}},{key:"_resolveAccessor",value:function(e,t){var i,r;if(e.id=e.id||"accessor-".concat(t),void 0!==e.bufferView&&(e.bufferView=this.getBufferView(e.bufferView)),e.bytesPerComponent=(i=e.componentType,wE[i]),e.components=(r=e.type,BE[r]),e.bytesPerElement=e.bytesPerComponent*e.components,e.bufferView){var s=e.bufferView.buffer,n=GC(e,e.bufferView),o=n.ArrayType,a=n.byteLength,l=(e.bufferView.byteOffset||0)+(e.byteOffset||0)+s.byteOffset,u=s.arrayBuffer.slice(l,l+a);e.bufferView.byteStride&&(u=this._getValueFromInterleavedBuffer(s,l,e.bufferView.byteStride,e.bytesPerElement,e.count)),e.value=new o(u)}return 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13:h=e.sent,t.buffers[o]={arrayBuffer:h,byteOffset:0,byteLength:h.byteLength},delete a.uri,e.next=19;break;case 18:null===t.buffers[o]&&(t.buffers[o]={arrayBuffer:new ArrayBuffer(a.byteLength),byteOffset:0,byteLength:a.byteLength});case 19:++o,e.next=2;break;case 22:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function zE(e,t,i){return KE.apply(this,arguments)}function KE(){return(KE=o(s().mark((function e(t,i,r){var n,o,a,l,u,c;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:n=WE(t),o=t.json.images||[],a=[],l=A(n);try{for(l.s();!(u=l.n()).done;)c=u.value,a.push(XE(t,o[c],c,i,r))}catch(e){l.e(e)}finally{l.f()}return e.next=7,Promise.all(a);case 7:return e.abrupt("return",e.sent);case 8:case"end":return e.stop()}}),e)})))).apply(this,arguments)}function WE(e){var t,i=new Set,r=A(e.json.textures||[]);try{for(r.s();!(t=r.n()).done;){var s=t.value;void 0!==s.source&&i.add(s.source)}}catch(e){r.e(e)}finally{r.f()}return Array.from(i).sort()}function XE(e,t,i,r,s){return JE.apply(this,arguments)}function JE(){return JE=o(s().mark((function e(t,i,r,n,o){var a,l,u,c,A,h,d;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(a=o.fetch,l=o.parse,!i.uri){e.next=9;break}return c=TC(i.uri,n),e.next=5,a(c);case 5:return A=e.sent,e.next=8,A.arrayBuffer();case 8:u=e.sent;case 9:return Number.isFinite(i.bufferView)&&(h=RC(t.json,t.buffers,i.bufferView),u=XB(h.buffer,h.byteOffset,h.byteLength)),SC(u,"glTF image has no data"),e.next=13,l(u,[FC,$x],{mimeType:i.mimeType,basis:n.basis||{format:qx()}},o);case 13:(d=e.sent)&&d[0]&&(d={compressed:!0,mipmaps:!1,width:d[0].width,height:d[0].height,data:d[0]}),t.images=t.images||[],t.images[r]=d;case 17:case"end":return e.stop()}}),e)}))),JE.apply(this,arguments)}var YE={name:"glTF",id:"gltf",module:"gltf",version:"3.2.6",extensions:["gltf","glb"],mimeTypes:["model/gltf+json","model/gltf-binary"],text:!0,binary:!0,tests:["glTF"],parse:function(e){return ZE.apply(this,arguments)},options:{gltf:{normalize:!0,loadBuffers:!0,loadImages:!0,decompressMeshes:!0,postProcess:!0},log:console},deprecatedOptions:{fetchImages:"gltf.loadImages",createImages:"gltf.loadImages",decompress:"gltf.decompressMeshes",postProcess:"gltf.postProcess",gltf:{decompress:"gltf.decompressMeshes"}}};function ZE(){return ZE=o(s().mark((function e(t){var i,r,n,o,a,u=arguments;return s().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return i=u.length>1&&void 0!==u[1]?u[1]:{},r=u.length>2?u[2]:void 0,(i=l(l({},YE.options),i)).gltf=l(l({},YE.options.gltf),i.gltf),n=i.byteOffset,o=void 0===n?0:n,a={},e.next=8,QE(a,t,o,i,r);case 8:return e.abrupt("return",e.sent);case 9:case"end":return e.stop()}}),e)}))),ZE.apply(this,arguments)}var qE=function(){function e(t){P(this,e)}return C(e,[{key:"load",value:function(e,t,i,r,s,n,o){!function(e,t,i,r,s,n,o){var a=e.viewer.scene.canvas.spinner;a.processes++,"glb"===t.split(".").pop()?e.dataSource.getGLB(t,(function(o){r.basePath=$E(t),eF(e,t,o,i,r,s,n),a.processes--}),(function(e){a.processes--,o(e)})):e.dataSource.getGLTF(t,(function(o){r.basePath=$E(t),eF(e,t,o,i,r,s,n),a.processes--}),(function(e){a.processes--,o(e)}))}(e,t,i,r=r||{},s,(function(){we.scheduleTask((function(){s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1)})),n&&n()}),(function(t){e.error(t),o&&o(t),s.fire("error",t)}))}},{key:"parse",value:function(e,t,i,r,s,n,o){eF(e,"",t,i,r=r||{},s,(function(){s.scene.fire("modelLoaded",s.id),s.fire("loaded",!0,!1),n&&n()}))}}]),e}();function $E(e){var t=e.lastIndexOf("/");return 0!==t?e.substring(0,t+1):""}function eF(e,t,i,r,s,n,o){var a=e.viewer.scene.canvas.spinner;a.processes++,ox(i,YE,{baseUri:s.basePath}).then((function(i){var l={src:t,entityId:s.entityId,metaModelJSON:r,autoMetaModel:s.autoMetaModel,globalizeObjectIds:s.globalizeObjectIds,metaObjects:[],loadBuffer:s.loadBuffer,basePath:s.basePath,handlenode:s.handlenode,backfaces:!!s.backfaces,gltfData:i,scene:n.scene,plugin:e,sceneModel:n,numObjects:0,nodes:[],nextId:0,log:function(t){e.log(t)}};!function(e){var t=e.gltfData.textures;if(t)for(var i=0,r=t.length;i<r;i++)tF(e,t[i])}(l),function(e){var t=e.gltfData.materials;if(t)for(var i=0,r=t.length;i<r;i++){var s=t[i];s._textureSetId=iF(e,s),s._attributes=rF(e,s)}}(l),s.autoMetaModel&&l.metaObjects.push({id:n.id,type:"Default",name:n.id}),function(e){var t=e.gltfData,i=t.scene||t.scenes[0];if(!i)return void function(e,t){e.plugin.error(t)}(e,"glTF has no default scene");var r=i.nodes;if(!r)return;!function e(t){t.forEach((function(t){var i=t.mesh;i&&(i.instances||(i.instances=0),i.instances+=1),t.children&&e(t.children)}))}(r);var s=[],n=null;!function t(i,r,o){i.forEach((function(i){var 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3:l.primitive="lines";break;default:l.primitive=c?"triangles":"solid"}var A=a.attributes.POSITION;if(A){l.localPositions=A.value,l.positions=new Float64Array(l.localPositions.length),a.attributes.NORMAL&&(l.normals=a.attributes.NORMAL.value),a.attributes.TEXCOORD_0&&(l.uv=a.attributes.TEXCOORD_0.value),a.indices&&(l.indices=a.indices.value),i?re.transformPositions3(i,l.localPositions,l.positions):l.positions.set(l.localPositions);var h=re.vec3();We(l.positions,l.positions,h)&&(l.origin=h),t.sceneModel.createMesh(l),r.push(l.id)}}}}(i,e,u,n),i.children&&t(i.children,r+1,u),l){if(n.length>0){var c=e.globalizeObjectIds?re.globalizeObjectId(e.sceneModel.id,l):l;e.sceneModel.createEntity({id:c,meshIds:n,isObject:!0}),e.autoMetaModel&&e.metaObjects.push({id:c,type:"Default",name:c,parent:e.sceneModel.id})}n=s.pop()}}))}(r,0,null)}(l),n.finalize(),s.autoMetaModel&&e.viewer.metaScene.createMetaModel(n.id,{metaObjects:l.metaObjects}),a.processes--,o()}))}function tF(e,t){if(t.source&&t.source.image){var i="texture-".concat(e.nextId++),r=1005;switch(t.sampler.minFilter){case 9728:r=1003;break;case 9729:r=1006;break;case 9984:r=1004;break;case 9985:r=1007;break;case 9986:r=1005;break;case 9987:r=1008}var s=1006;switch(t.sampler.magFilter){case 9728:s=1003;break;case 9729:s=1006}var n=1e3;switch(t.sampler.wrapS){case 33071:n=1001;break;case 33648:n=1002;break;case 10497:n=1e3}var o=1e3;switch(t.sampler.wrapT){case 33071:o=1001;break;case 33648:o=1002;break;case 10497:o=1e3}var a=1e3;switch(t.sampler.wrapR){case 33071:a=1001;break;case 33648:a=1002;break;case 10497:a=1e3}e.sceneModel.createTexture({id:i,image:t.source.image,flipY:!!t.flipY,minFilter:r,magFilter:s,wrapS:n,wrapT:o,wrapR:a,encoding:3001}),t._textureId=i}}function iF(e,t){var i={};switch(t.normalTexture&&(i.normalTextureId=t.normalTexture.texture._textureId),t.occlusionTexture&&(i.occlusionTextureId=t.occlusionTexture.texture._textureId),t.emissiveTexture&&(i.emissiveTextureId=t.emissiveTexture.texture._textureId),t.alphaMode){case"OPAQUE":break;case"MASK":var r=t.alphaCutoff;i.alphaCutoff=void 0!==r?r:.5}var s=t.pbrMetallicRoughness;if(t.pbrMetallicRoughness){var n=t.pbrMetallicRoughness,o=n.baseColorTexture||n.colorTexture;o&&(o.texture?i.colorTextureId=o.texture._textureId:i.colorTextureId=e.gltfData.textures[o.index]._textureId),s.metallicRoughnessTexture&&(i.metallicRoughnessTextureId=s.metallicRoughnessTexture.texture._textureId)}var a=t.extensions;if(a){var l=a.KHR_materials_pbrSpecularGlossiness;if(l){l.specularTexture;var u=l.specularColorTexture;null!=u&&(i.colorTextureId=e.gltfData.textures[u.index]._textureId)}}return void 0!==i.normalTextureId||void 0!==i.occlusionTextureId||void 0!==i.emissiveTextureId||void 0!==i.colorTextureId||void 0!==i.metallicRoughnessTextureId?(i.id="textureSet-".concat(e.nextId++,";"),e.sceneModel.createTextureSet(i),i.id):null}function rF(e,t){var i=t.extensions,r={color:new Float32Array([1,1,1,1]),opacity:1,metallic:0,roughness:1,doubleSided:!0};if(i){var s=i.KHR_materials_pbrSpecularGlossiness;if(s){var n=s.diffuseFactor;null!=n&&r.color.set(n)}var o=i.KHR_materials_common;if(o){var a=o.technique,l=o.values||{},u="BLINN"===a,c="PHONG"===a,A="LAMBERT"===a,h=l.diffuse;h&&(u||c||A)&&(he.isString(h)||r.color.set(h));var d=l.transparency;null!=d&&(r.opacity=d);var p=l.transparent;null!=p&&(r.opacity=p)}}var f=t.pbrMetallicRoughness;if(f){var v=f.baseColorFactor;v&&(r.color[0]=v[0],r.color[1]=v[1],r.color[2]=v[2],r.opacity=v[3]);var g=f.metallicFactor;null!=g&&(r.metallic=g);var m=f.roughnessFactor;null!=m&&(r.roughness=m)}return r.doubleSided=!1!==t.doubleSided,r}var sF={DEFAULT:{}},nF=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"GLTFLoader",e,s))._sceneModelLoader=new qE(m(r),s),r.dataSource=s.dataSource,r.objectDefaults=s.objectDefaults,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new Dd}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||sF}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new od(this.viewer.scene,he.apply(t,{isModel:!0,dtxEnabled:t.dtxEnabled})),r=i.id;if(!t.src&&!t.gltf)return this.error("load() param expected: src or gltf"),i;if(t.metaModelSrc||t.metaModelJSON){var s=function(s){e.viewer.metaScene.createMetaModel(r,s,{}),e.viewer.scene.canvas.spinner.processes--,t.src?e._sceneModelLoader.load(e,t.src,s,t,i):e._sceneModelLoader.parse(e,t.gltf,s,t,i)};if(t.metaModelSrc){var n=t.metaModelSrc;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getMetaModel(n,(function(t){e.viewer.scene.canvas.spinner.processes--,s(t)}),(function(t){e.error("load(): Failed to load model metadata for model '".concat(r," from  '").concat(n,"' - ").concat(t)),e.viewer.scene.canvas.spinner.processes--}))}else t.metaModelJSON&&s(t.metaModelJSON)}else t.src?this._sceneModelLoader.load(this,t.src,null,t,i):this._sceneModelLoader.parse(this,t.gltf,null,t,i);return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this)}}]),i}();function oF(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r="lightgrey",s=i.hoverColor||"rgba(0,0,0,0.4)",n=i.textColor||"black",o=500,a=o+o/3,l=a/24,u=[{boundary:[6,6,6,6],color:i.frontColor||i.color||"#55FF55"},{boundary:[18,6,6,6],color:i.backColor||i.color||"#55FF55"},{boundary:[12,6,6,6],color:i.rightColor||i.color||"#FF5555"},{boundary:[0,6,6,6],color:i.leftColor||i.color||"#FF5555"},{boundary:[6,0,6,6],color:i.topColor||i.color||"#7777FF"},{boundary:[6,12,6,6],color:i.bottomColor||i.color||"#7777FF"}],c=[{label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,1,0],up:[0,0,1]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,-1,0],up:[0,0,1]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,0,1]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,0,1]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,0,1],up:[0,-1,0]},{boundaries:[[7,5,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,0,-1],up:[1,0,1]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-1,-1],up:[0,-1,1]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,0,-1],up:[-1,0,1]},{boundaries:[[7,11,4,2]],dir:[0,1,1],up:[0,-1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,0,1],up:[-1,0,1]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,-1,1],up:[0,1,1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,0,1],up:[1,0,1]},{boundaries:[[5,7,2,4]],dir:[1,1,0],up:[0,0,1]},{boundaries:[[11,7,2,4]],dir:[-1,1,0],up:[0,0,1]},{boundaries:[[17,7,2,4]],dir:[-1,-1,0],up:[0,0,1]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,-1,0],up:[0,0,1]},{boundaries:[[5,11,2,2]],dir:[1,1,1],up:[-1,-1,1]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[1,-1,1],up:[-1,1,1]},{boundaries:[[5,5,2,2]],dir:[1,1,-1],up:[1,1,1]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-1,-1,1],up:[1,1,1]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-1,-1,-1],up:[-1,-1,1]},{boundaries:[[11,11,2,2]],dir:[-1,1,1],up:[1,-1,1]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[1,-1,-1],up:[1,-1,1]},{boundaries:[[11,5,2,2]],dir:[-1,1,-1],up:[-1,1,1]}];i.frontColor||i.color,i.backColor||i.color,i.rightColor||i.color,i.leftColor||i.color,i.topColor||i.color,i.bottomColor||i.color;for(var A=[{yUp:"",label:"NavCube.front",boundaries:[[7,7,4,4]],dir:[0,0,-1],up:[0,1,0]},{label:"NavCube.back",boundaries:[[19,7,4,4]],dir:[0,0,1],up:[0,1,0]},{label:"NavCube.right",boundaries:[[13,7,4,4]],dir:[-1,0,0],up:[0,1,0]},{label:"NavCube.left",boundaries:[[1,7,4,4]],dir:[1,0,0],up:[0,1,0]},{label:"NavCube.top",boundaries:[[7,1,4,4]],dir:[0,-1,0],up:[0,0,-1]},{label:"NavCube.bottom",boundaries:[[7,13,4,4]],dir:[0,1,0],up:[0,0,1]},{boundaries:[[7,5,4,2]],dir:[0,-.7071,-.7071],up:[0,.7071,-.7071]},{boundaries:[[1,6,4,1],[6,1,1,4]],dir:[1,-1,0],up:[1,1,0]},{boundaries:[[7,0,4,1],[19,6,4,1]],dir:[0,-.7071,.7071],up:[0,.7071,.7071]},{boundaries:[[13,6,4,1],[11,1,1,4]],dir:[-1,-1,0],up:[-1,1,0]},{boundaries:[[7,11,4,2]],dir:[0,1,-1],up:[0,1,1]},{boundaries:[[1,11,4,1],[6,13,1,4]],dir:[1,1,0],up:[-1,1,0]},{boundaries:[[7,17,4,1],[19,11,4,1]],dir:[0,1,1],up:[0,1,-1]},{boundaries:[[13,11,4,1],[11,13,1,4]],dir:[-1,1,0],up:[1,1,0]},{boundaries:[[5,7,2,4]],dir:[1,0,-1],up:[0,1,0]},{boundaries:[[11,7,2,4]],dir:[-1,0,-1],up:[0,1,0]},{boundaries:[[17,7,2,4]],dir:[-1,0,1],up:[0,1,0]},{boundaries:[[0,7,1,4],[23,7,1,4]],dir:[1,0,1],up:[0,1,0]},{boundaries:[[5,11,2,2]],dir:[.5,.7071,-.5],up:[-.5,.7071,.5]},{boundaries:[[23,11,1,1],[6,17,1,1],[0,11,1,1]],dir:[.5,.7071,.5],up:[-.5,.7071,-.5]},{boundaries:[[5,5,2,2]],dir:[.5,-.7071,-.5],up:[.5,.7071,-.5]},{boundaries:[[11,17,1,1],[17,11,2,1]],dir:[-.5,.7071,.5],up:[.5,.7071,-.5]},{boundaries:[[17,6,2,1],[11,0,1,1]],dir:[-.5,-.7071,.5],up:[-.5,.7071,.5]},{boundaries:[[11,11,2,2]],dir:[-.5,.7071,-.5],up:[.5,.7071,.5]},{boundaries:[[0,6,1,1],[6,0,1,1],[23,6,1,1]],dir:[.5,-.7071,.5],up:[.5,.7071,.5]},{boundaries:[[11,5,2,2]],dir:[-.5,-.7071,-.5],up:[-.5,.7071,-.5]}],h=0,d=c.length;h<d;h++)re.normalizeVec3(c[h].dir,c[h].dir),re.normalizeVec3(c[h].up,c[h].up);for(var p=0,f=A.length;p<f;p++)re.normalizeVec3(A[p].dir,A[p].dir),re.normalizeVec3(A[p].up,A[p].up);var v=A;this._textureCanvas=document.createElement("canvas"),this._textureCanvas.width=a,this._textureCanvas.height=o,this._textureCanvas.style.width=a+"px",this._textureCanvas.style.height=o+"px",this._textureCanvas.style.padding="0",this._textureCanvas.style.margin="0",this._textureCanvas.style.top="0",this._textureCanvas.style.background=r,this._textureCanvas.style.position="absolute",this._textureCanvas.style.opacity="1.0",this._textureCanvas.style.visibility="hidden",this._textureCanvas.style["z-index"]=2e6;var g=document.getElementsByTagName("body")[0];g.appendChild(this._textureCanvas);var m=this._textureCanvas.getContext("2d"),_=!1;function y(){for(var e=0,i=u.length;e<i;e++){var o=u[e],a=o.boundary,c=Math.round(a[0]*l),A=Math.round(a[1]*l),h=Math.round(a[2]*l),d=Math.round(a[3]*l);m.fillStyle=o.color,m.fillRect(c,A,h,d)}for(var p=0,f=v.length;p<f;p++){for(var g=void 0,_=void 0,y=void 0,b=void 0,B=v[p],w=B.boundaries,x=0,C=w.length;x<C;x++){var M=w[x];g=Math.round(M[0]*l),_=Math.round(M[1]*l),y=Math.round(M[2]*l),b=Math.round(M[3]*l),B.highlighted&&(m.fillStyle=B.highlighted?s:B.color||r,m.fillRect(g,_,y,b))}if(B.label){m.fillStyle=n,m.font="60px sans-serif",m.textAlign="center";var E=g+.5*y,F=_+.7*b;m.fillText(P(B.label),E,F,80)}}t.glRedraw()}var b,B,w,P=(b={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},B={"NavCube.front":"NavCube.front","NavCube.back":"NavCube.back","NavCube.right":"NavCube.right","NavCube.left":"NavCube.left","NavCube.top":"NavCube.top","NavCube.bottom":"NavCube.bottom"},w={"NavCube.front":"FRONT","NavCube.back":"BACK","NavCube.right":"RIGHT","NavCube.left":"LEFT","NavCube.top":"TOP","NavCube.bottom":"BOTTOM"},function(t){var i=_?B:b,r=i?i[t]:null;return r?e.localeService.translate(r)||w[r]||r:t});this.setZUp=function(){_=!0,v=c,this.clear()},this.setYUp=function(){_=!1,v=A,this.clear()},this.clear=function(){m.fillStyle=r,m.fillRect(0,0,a,o);for(var e=0,t=v.length;e<t;e++){v[e].highlighted=!1}y()},this.getArea=function(e){for(var t=e[0]*a,i=o-e[1]*o,r=0,s=v.length;r<s;r++)for(var n=v[r].boundaries,u=0,c=n.length;u<c;u++){var A=n[u];if(t>=A[0]*l&&t<=(A[0]+A[2])*l&&i>=A[1]*l&&i<=(A[1]+A[3])*l)return r}return-1},this.setAreaHighlighted=function(e,t){var i=v[e];if(!i)throw"Area not found: "+e;i.highlighted=!!t,y()},this.getAreaDir=function(e){var t=v[e];if(!t)throw"Unknown area: "+e;return t.dir},this.getAreaUp=function(e){var t=v[e];if(!t)throw"Unknown area: "+e;return t.up},this.getImage=function(){return this._textureCanvas},this.destroy=function(){this._textureCanvas&&(this._textureCanvas.parentNode.removeChild(this._textureCanvas),this._textureCanvas=null)}}var aF=re.vec3(),lF=re.vec3();re.mat4();var uF=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),r=t.call(this,"NavCube",e,s),e.navCube=m(r);var n=!0;try{r._navCubeScene=new Dr(e,{canvasId:s.canvasId,canvasElement:s.canvasElement,transparent:!0}),r._navCubeCanvas=r._navCubeScene.canvas.canvas,r._navCubeScene.input.keyboardEnabled=!1}catch(e){return r.error(e),g(r)}var o=r._navCubeScene;o.clearLights(),new er(o,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new er(o,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new er(o,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),r._navCubeCamera=o.camera,r._navCubeCamera.ortho.scale=7,r._navCubeCamera.ortho.near=.1,r._navCubeCamera.ortho.far=2e3,o.edgeMaterial.edgeColor=[.2,.2,.2],o.edgeMaterial.edgeAlpha=.6,r._zUp=Boolean(e.camera.zUp);var a=m(r);r.setIsProjectNorth(s.isProjectNorth),r.setProjectNorthOffsetAngle(s.projectNorthOffsetAngle);var l,u=(l=re.mat4(),function(e,t,i){return re.identityMat4(l),re.rotationMat4v(e*a._projectNorthOffsetAngle*re.DEGTORAD,[0,1,0],l),re.transformVec3(l,t,i)});r._synchCamera=function(){var t=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),i=re.vec3(),r=re.vec3(),s=re.vec3();return function(){var n=e.camera.eye,o=e.camera.look,l=e.camera.up;i=re.mulVec3Scalar(re.normalizeVec3(re.subVec3(n,o,i)),5),a._isProjectNorth&&a._projectNorthOffsetAngle&&(i=u(-1,i,aF),l=u(-1,l,lF)),a._zUp?(re.transformVec3(t,i,r),re.transformVec3(t,l,s),a._navCubeCamera.look=[0,0,0],a._navCubeCamera.eye=re.transformVec3(t,i,r),a._navCubeCamera.up=re.transformPoint3(t,l,s)):(a._navCubeCamera.look=[0,0,0],a._navCubeCamera.eye=i,a._navCubeCamera.up=l)}}(),r._cubeTextureCanvas=new oF(e,o,s),r._cubeSampler=new mo(o,{image:r._cubeTextureCanvas.getImage(),flipY:!0,wrapS:1001,wrapT:1001}),r._cubeMesh=new On(o,{geometry:new dr(o,{primitive:"triangles",normals:[0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1,0,0,0,-1,0,0,-1,0,0,-1,0,0,-1],positions:[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,1,-1,-1,1,-1,-1,1,1,-1,1,1,-1,1,-1,-1,-1,-1,-1,-1,1,-1,-1,-1,1,-1,-1,1,-1,1,-1,-1,1,1,-1,-1,-1,-1,-1,-1,1,-1,1,1,-1],uv:[.5,.6666,.25,.6666,.25,.3333,.5,.3333,.5,.6666,.5,.3333,.75,.3333,.75,.6666,.5,.6666,.5,1,.25,1,.25,.6666,.25,.6666,0,.6666,0,.3333,.25,.3333,.25,0,.5,0,.5,.3333,.25,.3333,.75,.3333,1,.3333,1,.6666,.75,.6666],indices:[0,1,2,0,2,3,4,5,6,4,6,7,8,9,10,8,10,11,12,13,14,12,14,15,16,17,18,16,18,19,20,21,22,20,22,23]}),material:new mr(o,{diffuse:[.4,.4,.4],specular:[.4,.4,.4],emissive:[.6,.6,.6],diffuseMap:r._cubeSampler,emissiveMap:r._cubeSampler}),visible:!!n,edges:!0}),r._shadow=!1===s.shadowVisible?null:new On(o,{geometry:new dr(o,Qn({center:[0,0,0],radiusTop:.001,radiusBottom:1.4,height:.01,radialSegments:20,heightSegments:1,openEnded:!0})),material:new mr(o,{diffuse:[0,0,0],specular:[0,0,0],emissive:[0,0,0],alpha:.5}),position:[0,-1.5,0],visible:!!n,pickable:!1,backfaces:!1}),r._onCameraMatrix=e.camera.on("matrix",r._synchCamera),r._onCameraWorldAxis=e.camera.on("worldAxis",(function(){e.camera.zUp?(r._zUp=!0,r._cubeTextureCanvas.setZUp(),r._repaint(),r._synchCamera()):e.camera.yUp&&(r._zUp=!1,r._cubeTextureCanvas.setYUp(),r._repaint(),r._synchCamera())})),r._onCameraFOV=e.camera.perspective.on("fov",(function(e){r._synchProjection&&(r._navCubeCamera.perspective.fov=e)})),r._onCameraProjection=e.camera.on("projection",(function(e){r._synchProjection&&(r._navCubeCamera.projection="ortho"===e||"perspective"===e?e:"perspective")}));var c=-1;function A(t,i){var r=(t-d)*-b,s=(i-p)*-b;e.camera.orbitYaw(r),e.camera.orbitPitch(-s),d=t,p=i}function h(e){var t=[0,0];if(e){for(var i=e.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;t[0]=e.pageX-r,t[1]=e.pageY-s}else e=window.event,t[0]=e.x,t[1]=e.y;return t}var d,p,f=null,v=null,_=!1,y=!1,b=.5;a._navCubeCanvas.addEventListener("mouseenter",a._onMouseEnter=function(e){y=!0}),a._navCubeCanvas.addEventListener("mouseleave",a._onMouseLeave=function(e){y=!1}),a._navCubeCanvas.addEventListener("mousedown",a._onMouseDown=function(e){if(1===e.which){f=e.x,v=e.y,d=e.clientX,p=e.clientY;var t=h(e),i=o.pick({canvasPos:t});_=!!i}}),document.addEventListener("mouseup",a._onMouseUp=function(e){if(1===e.which&&(_=!1,null!==f)){var t=h(e),i=o.pick({canvasPos:t,pickSurface:!0});if(i&&i.uv){var r=a._cubeTextureCanvas.getArea(i.uv);if(r>=0&&(document.body.style.cursor="pointer",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),r>=0)){if(a._cubeTextureCanvas.setAreaHighlighted(r,!0),c=r,a._repaint(),e.x<f-3||e.x>f+3||e.y<v-3||e.y>v+3)return;var s=a._cubeTextureCanvas.getAreaDir(r);if(s){var n=a._cubeTextureCanvas.getAreaUp(r);a._isProjectNorth&&a._projectNorthOffsetAngle&&(s=u(1,s,aF),n=u(1,n,lF)),B(s,n,(function(){c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),document.body.style.cursor="pointer",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),r>=0&&(a._cubeTextureCanvas.setAreaHighlighted(r,!1),c=-1,a._repaint())}))}}}}}),document.addEventListener("mousemove",a._onMouseMove=function(e){if(c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1),1!==e.buttons||_){if(_){var t=e.clientX,i=e.clientY;return document.body.style.cursor="move",void A(t,i)}if(y){var r=h(e),s=o.pick({canvasPos:r,pickSurface:!0});if(s){if(s.uv){document.body.style.cursor="pointer";var n=a._cubeTextureCanvas.getArea(s.uv);if(n===c)return;c>=0&&a._cubeTextureCanvas.setAreaHighlighted(c,!1),n>=0&&(a._cubeTextureCanvas.setAreaHighlighted(n,!0),a._repaint(),c=n)}}else document.body.style.cursor="default",c>=0&&(a._cubeTextureCanvas.setAreaHighlighted(c,!1),a._repaint(),c=-1)}}});var B=function(){var t=re.vec3();return function(i,r,s){var n=a._fitVisible?e.scene.getAABB(e.scene.visibleObjectIds):e.scene.aabb,o=re.getAABB3Diag(n);re.getAABB3Center(n,t);var l=Math.abs(o/Math.tan(a._cameraFitFOV*re.DEGTORAD));e.cameraControl.pivotPos=t,a._cameraFly?e.cameraFlight.flyTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*o,fitFOV:a._cameraFitFOV,duration:a._cameraFlyDuration},s):e.cameraFlight.jumpTo({look:t,eye:[t[0]-l*i[0],t[1]-l*i[1],t[2]-l*i[2]],up:r||[0,1,0],orthoScale:1.1*o,fitFOV:a._cameraFitFOV},s)}}();return r._onUpdated=e.localeService.on("updated",(function(){r._cubeTextureCanvas.clear(),r._repaint()})),r.setVisible(s.visible),r.setCameraFitFOV(s.cameraFitFOV),r.setCameraFly(s.cameraFly),r.setCameraFlyDuration(s.cameraFlyDuration),r.setFitVisible(s.fitVisible),r.setSynchProjection(s.synchProjection),r}return C(i,[{key:"send",value:function(e,t){if("language"===e)this._cubeTextureCanvas.clear(),this._repaint()}},{key:"_repaint",value:function(){var e=this._cubeTextureCanvas.getImage();this._cubeMesh.material.diffuseMap.image=e,this._cubeMesh.material.emissiveMap.image=e}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._navCubeCanvas&&(this._cubeMesh.visible=e,this._shadow&&(this._shadow.visible=e),this._navCubeCanvas.style.visibility=e?"visible":"hidden")}},{key:"getVisible",value:function(){return!!this._navCubeCanvas&&this._cubeMesh.visible}},{key:"setFitVisible",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._fitVisible=e}},{key:"getFitVisible",value:function(){return this._fitVisible}},{key:"setCameraFly",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._cameraFly=e}},{key:"getCameraFly",value:function(){return this._cameraFly}},{key:"setCameraFitFOV",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:45;this._cameraFitFOV=e}},{key:"getCameraFitFOV",value:function(){return this._cameraFitFOV}},{key:"setCameraFlyDuration",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:.5;this._cameraFlyDuration=e}},{key:"getCameraFlyDuration",value:function(){return this._cameraFlyDuration}},{key:"setSynchProjection",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._synchProjection=e}},{key:"getSynchProjection",value:function(){return this._synchProjection}},{key:"setIsProjectNorth",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this._isProjectNorth=e}},{key:"getIsProjectNorth",value:function(){return this._isProjectNorth}},{key:"setProjectNorthOffsetAngle",value:function(e){this._projectNorthOffsetAngle=e}},{key:"getProjectNorthOffsetAngle",value:function(){return this._projectNorthOffsetAngle}},{key:"destroy",value:function(){this._navCubeCanvas&&(this.viewer.localeService.off(this._onUpdated),this.viewer.camera.off(this._onCameraMatrix),this.viewer.camera.off(this._onCameraWorldAxis),this.viewer.camera.perspective.off(this._onCameraFOV),this.viewer.camera.off(this._onCameraProjection),this._navCubeCanvas.removeEventListener("mouseenter",this._onMouseEnter),this._navCubeCanvas.removeEventListener("mouseleave",this._onMouseLeave),this._navCubeCanvas.removeEventListener("mousedown",this._onMouseDown),document.removeEventListener("mousemove",this._onMouseMove),document.removeEventListener("mouseup",this._onMouseUp),this._navCubeCanvas=null,this._cubeTextureCanvas.destroy(),this._cubeTextureCanvas=null,this._onMouseEnter=null,this._onMouseLeave=null,this._onMouseDown=null,this._onMouseMove=null,this._onMouseUp=null),this._navCubeScene.destroy(),this._navCubeScene=null,this._cubeMesh=null,this._shadow=null,h(_(i.prototype),"destroy",this).call(this)}}]),i}(),cF=re.vec3(),AF=function(){function 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e={vertex_pattern:/^v\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,normal_pattern:/^vn\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,uv_pattern:/^vt\s+([\d|\.|\+|\-|e|E]+)\s+([\d|\.|\+|\-|e|E]+)/,face_vertex:/^f\s+(-?\d+)\s+(-?\d+)\s+(-?\d+)(?:\s+(-?\d+))?/,face_vertex_uv:/^f\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+))?/,face_vertex_uv_normal:/^f\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)\s+(-?\d+)\/(-?\d+)\/(-?\d+)(?:\s+(-?\d+)\/(-?\d+)\/(-?\d+))?/,face_vertex_normal:/^f\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)\s+(-?\d+)\/\/(-?\d+)(?:\s+(-?\d+)\/\/(-?\d+))?/,object_pattern:/^[og]\s*(.+)?/,smoothing_pattern:/^s\s+(\d+|on|off)/,material_library_pattern:/^mtllib /,material_use_pattern:/^usemtl /};return function(r,s,n){var o={src:n=n||"",basePath:t(n),objects:[],object:{},positions:[],normals:[],uv:[],materialLibraries:{}};i(o,"",!1),-1!==s.indexOf("\r\n")&&(s=s.replace("\r\n","\n"));for(var a=s.split("\n"),l="",u="",c="",d=[],p="function"==typeof"".trimLeft,f=0,v=a.length;f<v;f++)if(l=a[f],0!==(l=p?l.trimLeft():l.trim()).length&&"#"!==(u=l.charAt(0)))if("v"===u)if(" "===(c=l.charAt(1))&&null!==(d=e.vertex_pattern.exec(l)))o.positions.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else if("n"===c&&null!==(d=e.normal_pattern.exec(l)))o.normals.push(parseFloat(d[1]),parseFloat(d[2]),parseFloat(d[3]));else{if("t"!==c||null===(d=e.uv_pattern.exec(l)))return void r.error("Unexpected vertex/normal/uv line: '"+l+"'");o.uv.push(parseFloat(d[1]),parseFloat(d[2]))}else if("f"===u)if(null!==(d=e.face_vertex_uv_normal.exec(l)))A(o,d[1],d[4],d[7],d[10],d[2],d[5],d[8],d[11],d[3],d[6],d[9],d[12]);else if(null!==(d=e.face_vertex_uv.exec(l)))A(o,d[1],d[3],d[5],d[7],d[2],d[4],d[6],d[8]);else if(null!==(d=e.face_vertex_normal.exec(l)))A(o,d[1],d[3],d[5],d[7],void 0,void 0,void 0,void 0,d[2],d[4],d[6],d[8]);else{if(null===(d=e.face_vertex.exec(l)))return void r.error("Unexpected face line: '"+l+"'");A(o,d[1],d[2],d[3],d[4])}else if("l"===u){var g=l.substring(1).trim().split(" "),m=[],_=[];if(-1===l.indexOf("/"))m=g;else for(var y=0,b=g.length;y<b;y++){var B=g[y].split("/");""!==B[0]&&m.push(B[0]),""!==B[1]&&_.push(B[1])}h(o,m,_)}else if(null!==(d=e.object_pattern.exec(l))){i(o,w=d[0].substr(1).trim(),!0)}else if(e.material_use_pattern.test(l)){var w=l.substring(7).trim();o.object.material.id=w}else if(e.material_library_pattern.test(l))o.materialLibraries[l.substring(7).trim()]=!0;else{if(null===(d=e.smoothing_pattern.exec(l))){if("\0"===l)continue;return void r.error("Unexpected line: '"+l+"'")}var P=d[1].trim().toLowerCase();o.object.material.smooth="1"===P||"on"===P}return o};function t(e){var t=e.lastIndexOf("/");return-1===t?e:e.substring(0,t+1)}function i(e,t,i){if(e.object&&!1===e.object.fromDeclaration)return e.object.id=t,void(e.object.fromDeclaration=!1!==i);e.object={id:t||"",geometry:{positions:[],normals:[],uv:[]},material:{id:"",smooth:!0},fromDeclaration:!1!==i},e.objects.push(e.object)}function r(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function s(e,t){var i=parseInt(e,10);return 3*(i>=0?i-1:i+t/3)}function n(e,t){var i=parseInt(e,10);return 2*(i>=0?i-1:i+t/2)}function o(e,t,i,r){var s=e.positions,n=e.object.geometry.positions;n.push(s[t+0]),n.push(s[t+1]),n.push(s[t+2]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[i+2]),n.push(s[r+0]),n.push(s[r+1]),n.push(s[r+2])}function a(e,t){var i=e.positions,r=e.object.geometry.positions;r.push(i[t+0]),r.push(i[t+1]),r.push(i[t+2])}function l(e,t,i,r){var s=e.normals,n=e.object.geometry.normals;n.push(s[t+0]),n.push(s[t+1]),n.push(s[t+2]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[i+2]),n.push(s[r+0]),n.push(s[r+1]),n.push(s[r+2])}function u(e,t,i,r){var s=e.uv,n=e.object.geometry.uv;n.push(s[t+0]),n.push(s[t+1]),n.push(s[i+0]),n.push(s[i+1]),n.push(s[r+0]),n.push(s[r+1])}function c(e,t){var i=e.uv,r=e.object.geometry.uv;r.push(i[t+0]),r.push(i[t+1])}function A(e,t,i,a,c,A,h,d,p,f,v,g,m){var _,y=e.positions.length,b=r(t,y),B=r(i,y),w=r(a,y);if(void 0===c?o(e,b,B,w):(o(e,b,B,_=r(c,y)),o(e,B,w,_)),void 0!==A){var P=e.uv.length;b=n(A,P),B=n(h,P),w=n(d,P),void 0===c?u(e,b,B,w):(u(e,b,B,_=n(p,P)),u(e,B,w,_))}if(void 0!==f){var x=e.normals.length;b=s(f,x),B=f===v?b:s(v,x),w=f===g?b:s(g,x),void 0===c?l(e,b,B,w):(l(e,b,B,_=s(m,x)),l(e,B,w,_))}}function h(e,t,i){e.object.geometry.type="Line";for(var s=e.positions.length,o=e.uv.length,l=0,u=t.length;l<u;l++)a(e,r(t[l],s));for(var A=0,h=i.length;A<h;A++)c(e,n(i[A],o))}}();function pF(e,t,i){for(var r=t.basePath,s=Object.keys(t.materialLibraries),n=s.length,o=0,a=n;o<a;o++)fF(e,r,r+s[o],(function(){0==--n&&i()}))}var fF=function(e,t,i,r){mF(i,(function(i){vF(e,i,t),r()}),(function(t){e.error(t),r()}))},vF=function(){var e=/\s+/;return function(e,s,n){var o,a,l,u,c,A=s.split("\n"),h={id:"Default"},d=!1;n=n||"";for(var p=0;p<A.length;p++)if(0!==(o=A[p].trim()).length&&"#"!==o.charAt(0))switch(l=(l=(a=o.indexOf(" "))>=0?o.substring(0,a):o).toLowerCase(),u=(u=a>=0?o.substring(a+1):"").trim(),l.toLowerCase()){case"newmtl":i(e,h),h={id:u},d=!0;break;case"ka":h.ambient=r(u);break;case"kd":h.diffuse=r(u);break;case"ks":h.specular=r(u);break;case"map_kd":h.diffuseMap||(h.diffuseMap=t(e,n,u,"sRGB"));break;case"map_ks":h.specularMap||(h.specularMap=t(e,n,u,"linear"));break;case"map_bump":case"bump":h.normalMap||(h.normalMap=t(e,n,u));break;case"ns":h.shininess=parseFloat(u);break;case"d":(c=parseFloat(u))<1&&(h.alpha=c,h.alphaMode="blend");break;case"tr":(c=parseFloat(u))>0&&(h.alpha=1-c,h.alphaMode="blend")}d&&i(e,h)};function t(e,t,i,r){var s={},n=i.split(/\s+/),o=n.indexOf("-bm");return 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On(e,{id:e.id+"#"+s.id,origin:0!==u[0]||0!==u[1]||0!==u[2]?u:null,isObject:!0,geometry:A,material:c,pickable:!0});e.addChild(d)}}}function mF(e,t,i){var r=new XMLHttpRequest;r.open("GET",e,!0),r.addEventListener("load",(function(e){var r=e.target.response;200===this.status?t&&t(r):0===this.status?(console.warn("loadFile: HTTP Status 0 received."),t&&t(r)):i&&i(e)}),!1),r.addEventListener("error",(function(e){i&&i(e)}),!1),r.send(null)}var _F=function(e){p(i,Ue);var t=v(i);function i(e,r){var s;return P(this,i),(s=t.call(this,"OBJLoader",e,r))._sceneGraphLoader=new AF,s}return C(i,[{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new to(this.viewer.scene,he.apply(t,{isModel:!0})),r=i.id,s=t.src;if(!s)return this.error("load() param expected: src"),i;if(t.metaModelSrc){var n=t.metaModelSrc;he.loadJSON(n,(function(n){e.viewer.metaScene.createMetaModel(r,n),e._sceneGraphLoader.load(i,s,t)}),(function(t){e.error("load(): Failed to load model modelMetadata for model '".concat(r," from  '").concat(n,"' - ").concat(t))}))}else this._sceneGraphLoader.load(i,s,t);return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this)}}]),i}(),yF=new Float64Array([0,0,1]),bF=new Float64Array(4),BF=function(){function e(t){var i=this;P(this,e),this.id=null;var r=t.viewer,s=r.camera,n=r.cameraControl,o=r.scene,a=o.canvas.canvas;this._visible=!1;var l,u,A=!1,h=!1,d=.09,p=.01,f=new to(o,{position:[0,0,0],scale:[5,5,5],isObject:!1}),v=re.vec3(),g=(l=re.vec3(),u=re.vec3(),function(e){v.set(e),Ke(e,l,u),f.origin=l,f.position=u}),m=function(e,t){return new dr(f,Qn({radiusTop:.001,radiusBottom:e,radialSegments:32,heightSegments:1,height:t,openEnded:!1}))},_=function(e,t,i){return new dr(f,Qn({radiusTop:e,radiusBottom:e,radialSegments:i,heightSegments:1,height:t,openEnded:!1}))},y=function(e,t,i){return new dr(f,ko({radius:.8,tube:e,radialSegments:64,tubeSegments:i,arc:2*Math.PI*t}))},b={curve:y(p,.25,14),curveHandle:y(d,.25,14),hoop:y(p,1,8),arrowHead:m(.07,.2),arrowHeadBig:m(.09,.25),arrowHeadHandle:_(d,.37,8),axis:_(p,1,20),axisHandle:_(d,1,20)},B=function(e,t){return new yr(f,{edges:!1,fill:!0,fillColor:e,fillAlpha:t})},w=new mr(f,{diffuse:[1,1,0],alpha:0,alphaMode:"blend"}),x={},C=function(e,t,r){var n,l,u,c=function(e){return new mr(f,{diffuse:e,emissive:e,ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2})}(e),d=re.rotationMat4v(270*re.DEGTORAD,[1,0,0],re.identityMat4()),p=re.quaternionToRotationMat4(re.vec3PairToQuaternion([0,1,0],r),re.identityMat4()),m=re.mulMat4(p,d,re.identityMat4()),_=re.scaleMat4v([.6,.6,.6],re.identityMat4()),y=function(e,t){var i=re.translateMat4v(e,re.identityMat4()),r=re.identityMat4();return re.mulMat4(i,t,r),re.mulMat4(m,r,r),re.mulMat4(r,_,re.identityMat4())},P=f.addChild(new On(f,{geometry:b.curve,material:c,matrix:m,pickable:!1,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),h),C=f.addChild(new On(f,{geometry:b.curveHandle,material:w,matrix:m,pickable:!0,collidable:!0,clippable:!1,backfaces:!0,visible:!1,isObject:!1}),h),M=f.addChild(new On(f,{geometry:b.arrowHead,material:c,matrix:y([.8,.07,0],re.rotationMat4v(180*re.DEGTORAD,[0,0,1],re.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),h),E=f.addChild(new On(f,{geometry:b.arrowHead,material:c,matrix:y([.07,.8,0],re.rotationMat4v(90*re.DEGTORAD,[0,0,1],re.identityMat4())),pickable:!0,collidable:!0,clippable:!1,visible:!1,isObject:!1}),h),F=f.addChild(new 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On(f,{geometry:b.arrowHeadBig,material:c,matrix:D,pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),h),N=function(e,t){return re.vec3ApplyQuaternion(f.quaternion,e,t)},Q=(n=re.vec3(),l=re.vec3(),u=re.vec3(),function(t,i){N(e,n);var r=v,s=n;re.canvasPosToWorldRay(a,o.camera.viewMatrix,o.camera.projMatrix,o.camera.projection,t,l,u);var c=re.dotVec3(s,u),A=re.subVec3(l,r,i),h=re.dotVec3(A,s),d=re.dotVec3(A,u),p=1-c*c;if(Math.abs(p)>1e-10){var f=(h-c*d)/p;return re.addVec3(r,re.mulVec3Scalar(s,f,i),i),!0}return!1}),V=re.vec3(),H=re.vec3();return x[R.id]=x[U.id]={setActivated:function(e){return O.visible=e},initDragAction:function(e){return Q(e,V)&&re.subVec3(V,v,V)&&function(e){Q(e,H)&&(re.subVec3(H,V,H),g(H),i._sectionPlane&&(i._sectionPlane.pos=H))}}},x[C.id]={setActivated:function(e){return F.visible=e},initDragAction:function(t){var r=function(){var t=s.projectWorldPos(v);N(e,H),re.transformVec3(s.normalMatrix,H,H);var i=Math.sign(H[2]);return function(e){var r=e[0]-t[0],s=e[1]-t[1];return i*Math.atan2(-s,r)}}(),n=r(t);return function(t){var s=r(t);f.rotate(e,180*(s-n)/Math.PI),i._sectionPlane&&(A=!0,i._sectionPlane.dir=re.vec3ApplyQuaternion(f.quaternion,[0,0,1],H)),n=s}}},{set visible(e){T.visible=R.visible=L.visible=U.visible=P.visible=C.visible=M.visible=E.visible=e,e||(O.visible=e,F.visible=e)},set culled(e){T.culled=R.culled=L.culled=U.culled=P.culled=C.culled=M.culled=E.culled=e,e||(O.culled=e,F.culled=e)}}};this._displayMeshes=[f.addChild(new On(f,{geometry:new dr(f,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new mr(f,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,ghostMaterial:new yr(f,{edges:!1,filled:!0,fillColor:[1,1,0],edgeColor:[0,0,0],fillAlpha:.1,backfaces:!0}),pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1],isObject:!1}),h),f.addChild(new On(f,{geometry:new dr(f,ko({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new mr(f,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),highlightMaterial:new yr(f,{edges:!1,edgeColor:[0,0,0],filled:!0,fillColor:[.8,.8,.8],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45],isObject:!1}),h),f.addChild(new On(f,{geometry:new dr(f,Vn({radius:.05})),material:new mr(f,{diffuse:[0,0,0],emissive:[0,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80}),pickable:!1,collidable:!0,clippable:!1,visible:!1,isObject:!1}),h),C([1,0,0],[1,0,0],[1,0,0]),C([0,1,0],[0,-1,0],[0,1,0]),C([0,0,1],[0,0,-1],[0,0,-1])];var M=[],E=-1,F=function(e){return f.scale=[e,e,e]},k=o.on("tick",(function(){var e=Math.abs(re.distVec3(s.eye,v));"perspective"===s.projection?e!==E&&F(.07*e*Math.tan(s.perspective.fov*re.DEGTORAD)):"ortho"===s.projection&&F(s.ortho.scale/10),E=e}));M.push((function(){return o.off(k)}));var I=null,D=null;M.push((function(){D&&D.cleanup()}));var S=re.vec2(),T=function(e,t){t[0]=e.clientX,t[1]=e.clientY,wt(a.ownerDocument.documentElement,a,t)},R=function(e){T(e,S);var t=r.scene.pick({canvasPos:S}),i=t&&t.entity,s=i&&i.id;return s in x&&x[s]},L=function(e,t){var i=R(t(e));if(i){D&&D.cleanup();var r=i.initDragAction(S);r&&(n.pointerEnabled=!1,i.setActivated(!0),D={onChange:function(e){var i=t(e);i&&(T(i,S),r(S))},cleanup:function(){D=null,n.pointerEnabled=!0,i.setActivated(!1)}})}},U=function(e,t){a.addEventListener(e,t),M.push((function(){return a.removeEventListener(e,t)}))};U("mousedown",(function(e){e.preventDefault(),1===e.which&&L(e,(function(e){return 1===e.which&&e}))})),U("mousemove",(function(e){if(D)D.onChange(e);else{I&&I();var t=R(e);t?(t.setActivated(!0),I=function(){return t.setActivated(!1)}):I=null}})),U("mouseup",(function(e){D&&(D.onChange(e),D.cleanup())})),U("touchstart",(function(e){if(e.preventDefault(),1===e.touches.length){var t=e.touches[0].identifier;L(e,(function(e){return c(e.changedTouches).find((function(e){return e.identifier===t}))}))}})),U("touchmove",(function(e){e.preventDefault(),D&&D.onChange(e)})),U("touchend",(function(e){e.preventDefault(),D&&(D.onChange(e),D.cleanup())})),this._unbindSectionPlane=function(){},this.__setSectionPlane=function(e){i.id=e.id,i._sectionPlane=e;var t=function(){return g(e.pos)},r=function(){return f.quaternion=re.vec3PairToQuaternion(yF,e.dir,bF)};t(),r();var s=e.on("pos",t),n=e.on("dir",(function(){A?A=!1:r()}));i._unbindSectionPlane=function(){i.id=null,i._sectionPlane=null,e.off(s),e.off(n),i._unbindSectionPlane=function(){}}},this.__destroy=function(){for(var e in M.forEach((function(e){return e()})),i._unbindSectionPlane(),f.destroy(),i._displayMeshes=[],x)delete x[e]}}return C(e,[{key:"_destroy",value:function(){this.__destroy()}},{key:"_setSectionPlane",value:function(e){this._unbindSectionPlane(),e&&this.__setSectionPlane(e)}},{key:"sectionPlane",get:function(){return this._sectionPlane}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible!==e&&(this._visible=e,this._displayMeshes.forEach((function(t){return t.visible=e})))}},{key:"getVisible",value:function(){return this._visible}},{key:"setCulled",value:function(e){this._displayMeshes.forEach((function(t){return t.culled=e}))}}]),e}(),wF=function(){function e(t,i,r){var s=this;P(this,e),this.id=r.id,this._sectionPlane=r,this._mesh=new On(i,{id:r.id,geometry:new dr(i,pr({xSize:.5,ySize:.5,zSize:.001})),material:new mr(i,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new Br(i,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new yr(i,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new yr(i,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});var n=re.vec3([0,0,0]),o=re.vec3(),a=re.vec3([0,0,1]),l=re.vec4(4),u=re.vec3(),c=function(){var e=s._sectionPlane.scene.center,t=[-s._sectionPlane.dir[0],-s._sectionPlane.dir[1],-s._sectionPlane.dir[2]];re.subVec3(e,s._sectionPlane.pos,n);var i=-re.dotVec3(t,n);re.normalizeVec3(t),re.mulVec3Scalar(t,i,o);var r=re.vec3PairToQuaternion(a,s._sectionPlane.dir,l);u[0]=.1*o[0],u[1]=.1*o[1],u[2]=.1*o[2],s._mesh.quaternion=r,s._mesh.position=u};this._onSectionPlanePos=this._sectionPlane.on("pos",c),this._onSectionPlaneDir=this._sectionPlane.on("dir",c),this._highlighted=!1,this._selected=!1}return C(e,[{key:"setHighlighted",value:function(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}},{key:"getHighlighted",value:function(){return this._highlighted}},{key:"setSelected",value:function(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}},{key:"getSelected",value:function(){return this._selected}},{key:"destroy",value:function(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}]),e}(),PF=function(){function e(t,i){var r=this;if(P(this,e),!(i.onHoverEnterPlane&&i.onHoverLeavePlane&&i.onClickedNothing&&i.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=t,this._viewer=t.viewer,this._onHoverEnterPlane=i.onHoverEnterPlane,this._onHoverLeavePlane=i.onHoverLeavePlane,this._onClickedNothing=i.onClickedNothing,this._onClickedPlane=i.onClickedPlane,this._visible=!0,this._planes={},this._canvas=i.overviewCanvas,this._scene=new Dr(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new er(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new er(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new er(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;var s=this._scene.camera,n=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),o=re.vec3(),a=re.vec3(),l=re.vec3();this._synchCamera=function(){var e=r._viewer.camera.eye,t=r._viewer.camera.look,i=r._viewer.camera.up;re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,o)),7),r._zUp?(re.transformVec3(n,o,a),re.transformVec3(n,i,l),s.look=[0,0,0],s.eye=re.transformVec3(n,o,a),s.up=re.transformPoint3(n,i,l)):(s.look=[0,0,0],s.eye=o,s.up=i)},this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(function(e){r._scene.camera.perspective.fov=e}));var u=null;this._onInputMouseMove=this._scene.input.on("mousemove",(function(e){var t=r._scene.pick({canvasPos:e});if(t){if(!u||t.entity.id!==u.id){if(u)r._planes[u.id]&&r._onHoverLeavePlane(u.id);u=t.entity,r._planes[u.id]&&r._onHoverEnterPlane(u.id)}}else u&&(r._onHoverLeavePlane(u.id),u=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=function(){u?r._planes[u.id]&&r._onClickedPlane(u.id):r._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=function(){u&&(r._onHoverLeavePlane(u.id),u=null)}),this.setVisible(i.overviewVisible)}return C(e,[{key:"addSectionPlane",value:function(e){this._planes[e.id]=new wF(this,this._scene,e)}},{key:"setPlaneHighlighted",value:function(e,t){var i=this._planes[e];i&&i.setHighlighted(t)}},{key:"setPlaneSelected",value:function(e,t){var i=this._planes[e];i&&i.setSelected(t)}},{key:"removeSectionPlane",value:function(e){var t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}},{key:"getVisible",value:function(){return this._visible}},{key:"destroy",value:function(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}]),e}(),xF=re.AABB3(),CF=re.vec3(),MF=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,"SectionPlanes",e))._freeControls=[],r._sectionPlanes=e.scene.sectionPlanes,r._controls={},r._shownControlId=null,null!==s.overviewCanvasId&&void 0!==s.overviewCanvasId){var n=document.getElementById(s.overviewCanvasId);n?r._overview=new PF(m(r),{overviewCanvas:n,visible:s.overviewVisible,onHoverEnterPlane:function(e){r._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:function(e){r._overview.setPlaneHighlighted(e,!1)},onClickedPlane:function(e){if(r.getShownControl()!==e){r.showControl(e);var t=r.sectionPlanes[e].pos;xF.set(r.viewer.scene.aabb),re.getAABB3Center(xF,CF),xF[0]+=t[0]-CF[0],xF[1]+=t[1]-CF[1],xF[2]+=t[2]-CF[2],xF[3]+=t[0]-CF[0],xF[4]+=t[1]-CF[1],xF[5]+=t[2]-CF[2],r.viewer.cameraFlight.flyTo({aabb:xF,fitFOV:65})}else r.hideControl()},onClickedNothing:function(){r.hideControl()}}):r.warn("Can't find overview canvas: '"+s.overviewCanvasId+"' - will create plugin without overview")}return r._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(function(e){r._sectionPlaneCreated(e)})),r}return C(i,[{key:"setOverviewVisible",value:function(e){this._overview&&this._overview.setVisible(e)}},{key:"getOverviewVisible",value:function(){if(this._overview)return this._overview.getVisible()}},{key:"sectionPlanes",get:function(){return this._sectionPlanes}},{key:"createSectionPlane",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=new zn(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0});return t}},{key:"_sectionPlaneCreated",value:function(e){var t=this,i=this._freeControls.length>0?this._freeControls.pop():new BF(this);i._setSectionPlane(e),i.setVisible(!1),this._controls[e.id]=i,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(function(){t._sectionPlaneDestroyed(e)}))}},{key:"flipSectionPlanes",value:function(){var e=this.viewer.scene.sectionPlanes;for(var t in e){e[t].flipDir()}}},{key:"showControl",value:function(e){var t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}},{key:"getShownControl",value:function(){return this._shownControlId}},{key:"hideControl",value:function(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}},{key:"destroySectionPlane",value:function(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}},{key:"_sectionPlaneDestroyed",value:function(e){this._overview&&this._overview.removeSectionPlane(e);var t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}},{key:"clear",value:function(){for(var e=Object.keys(this._sectionPlanes),t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}},{key:"send",value:function(e,t){switch(e){case"snapshotStarting":for(var i in this._controls)this._controls.hasOwnProperty(i)&&this._controls[i].setCulled(!0);break;case"snapshotFinished":for(var r in this._controls)this._controls.hasOwnProperty(r)&&this._controls[r].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}},{key:"destroy",value:function(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),h(_(i.prototype),"destroy",this).call(this)}},{key:"_destroyFreeControls",value:function(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}]),i}(),EF=C((function e(t,i,r,s,n,o){P(this,e),this.plugin=t,this.storeyId=n,this.modelId=s,this.storeyAABB=r.slice(),this.aabb=this.storeyAABB,this.modelAABB=i.slice(),this.numObjects=o})),FF=C((function e(t,i,r,s,n,o){P(this,e),this.storeyId=t,this.imageData=i,this.format=r,this.width=s,this.height=n})),kF=re.vec3(),IF=re.mat4(),DF="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg==",SF=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"StoreyViews",e))._objectsMemento=new up,r._cameraMemento=new np,r.storeys={},r._storeysList=null,r.modelStoreys={},r._fitStoreyMaps=!!s.fitStoreyMaps,r._onModelLoaded=r.viewer.scene.on("modelLoaded",(function(e){r._registerModelStoreys(e),r.fire("storeys",r.storeys)})),r}return C(i,[{key:"_registerModelStoreys",value:function(e){var t=this,i=this.viewer,r=i.scene,s=i.metaScene,n=s.metaModels[e],o=r.models[e];if(n&&n.rootMetaObjects){for(var a=n.rootMetaObjects,l=0,u=a.length;l<u;l++)for(var c=a[l].getObjectIDsInSubtreeByType(["IfcBuildingStorey"]),A=0,h=c.length;A<h;A++){var d=c[A],p=s.metaObjects[d].getObjectIDsInSubtree(),f=r.getAABB(p),v=Math.random()>.5?p.length:0,g=new EF(this,o.aabb,f,e,d,v);g._onModelDestroyed=o.once("destroyed",(function(){t._deregisterModelStoreys(e),t.fire("storeys",t.storeys)})),this.storeys[d]=g,this._storeysList=null,this.modelStoreys[e]||(this.modelStoreys[e]={}),this.modelStoreys[e][d]=g}this._clipBoundingBoxes()}}},{key:"_clipBoundingBoxes",value:function(){var e,t=this.storeysList,i=this.viewer.metaScene,r=this.viewer.camera.worldUp,s=r[0]>r[1]&&r[0]>r[2],n=!s&&r[1]>r[0]&&r[1]>r[2];!s&&!n&&r[2]>r[0]&&(r[2],r[1]),e=s?0:n?1:2;for(var o=0,a=t.length;o<a;o++){var l=i.metaObjects[t[o].storeyId].attributes.elevation;if(isNaN(l))return;var u=t[o].storeyAABB;if(u[e]=Math.max(u[1],parseFloat(l)),o>0){var c=i.metaObjects[t[o-1].storeyId].attributes.elevation;u[4]=Math.min(u[e+3],parseFloat(c))}this.storeys[t[o].storeyId].storeyAABB=u}}},{key:"_deregisterModelStoreys",value:function(e){var t=this.modelStoreys[e];if(t){var i=this.viewer.scene;for(var r in t)if(t.hasOwnProperty(r)){var s=t[r],n=i.models[s.modelId];n&&n.off(s._onModelDestroyed),delete this.storeys[r],this._storeysList=null}delete this.modelStoreys[e]}}},{key:"fitStoreyMaps",get:function(){return this._fitStoreyMaps}},{key:"gotoStoreyCamera",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),void(t.done&&t.done());var r=this.viewer,s=r.scene,n=s.camera,o=i.storeyAABB;if(o[3]<o[0]||o[4]<o[1]||o[5]<o[2])t.done&&t.done();else if(o[3]!==o[0]||o[4]!==o[1]||o[5]!==o[2]){var a=re.getAABB3Center(o),l=re.getAABB3Diag(o),u=45,c=Math.abs(l/Math.tan(u*re.DEGTORAD)),A=1.3*l,h=kF;h[0]=a[0]+n.worldUp[0]*c,h[1]=a[1]+n.worldUp[1]*c,h[2]=a[2]+n.worldUp[2]*c;var d=n.worldForward;t.done?r.cameraFlight.flyTo(he.apply(t,{eye:h,look:a,up:d,orthoScale:A}),(function(){t.done()})):(r.cameraFlight.jumpTo(he.apply(t,{eye:h,look:a,up:d,orthoScale:A})),r.camera.ortho.scale=A)}else t.done&&t.done()}},{key:"showStoreyObjects",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(i){var r=this.viewer,s=r.scene,n=r.metaScene,o=n.metaObjects[e];o&&(t.hideOthers&&s.setObjectsVisible(r.scene.visibleObjectIds,!1),this.withStoreyObjects(e,(function(e,t){e&&(e.visible=!0)})))}else this.error("IfcBuildingStorey not found with this ID: "+e)}},{key:"withStoreyObjects",value:function(e,t){var i=this.viewer,r=i.scene,s=i.metaScene,n=s.metaObjects[e];if(n)for(var o=n.getObjectIDsInSubtree(),a=0,l=o.length;a<l;a++){var u=o[a],c=s.metaObjects[u],A=r.objects[u];A&&t(A,c)}}},{key:"createStoreyMap",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i=this.storeys[e];if(!i)return this.error("IfcBuildingStorey not found with this ID: "+e),DF;var r,s,n=this.viewer,o=n.scene,a=t.format||"png",l=this._fitStoreyMaps?i.storeyAABB:i.modelAABB,u=Math.abs((l[5]-l[2])/(l[3]-l[0])),c=t.padding||0,A=!!t.captureSectionPlanes;t.width&&t.height?(r=t.width,s=t.height):t.height?(s=t.height,r=Math.round(s/u)):t.width?(r=t.width,s=Math.round(r*u)):(r=300,s=Math.round(r*u));var h={visible:!0};this._objectsMemento.saveObjects(o,h),this._cameraMemento.saveCamera(o),this.showStoreyObjects(e,he.apply(t,{hideOthers:!0})),A&&this._toggleSectionPlanes(!1),this._arrangeStoreyMapCamera(i);var d=n.getSnapshot({width:r,height:s,format:a});return this._objectsMemento.restoreObjects(o,h),this._cameraMemento.restoreCamera(o),A&&this._toggleSectionPlanes(!0),new FF(e,d,a,r,s,c)}},{key:"_toggleSectionPlanes",value:function(e){var t=this.viewer.scene.sectionPlanes;for(var i in t)t[i].active=e}},{key:"_arrangeStoreyMapCamera",value:function(e){var t=this.viewer,i=t.scene.camera,r=this._fitStoreyMaps?e.storeyAABB:e.modelAABB,s=re.getAABB3Center(r),n=kF;n[0]=s[0]+.5*i.worldUp[0],n[1]=s[1]+.5*i.worldUp[1],n[2]=s[2]+.5*i.worldUp[2];var o=i.worldForward;t.cameraFlight.jumpTo({eye:n,look:s,up:o});var a=(r[3]-r[0])/2,l=(r[4]-r[1])/2,u=(r[5]-r[2])/2,c=-a,A=+a,h=-l,d=+l,p=-u,f=+u;t.camera.customProjection.matrix=re.orthoMat4c(c,A,p,f,h,d,IF),t.camera.projection="customProjection"}},{key:"pickStoreyMap",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},r=e.storeyId,s=this.storeys[r];if(!s)return this.error("IfcBuildingStorey not found with this ID: "+r),null;var n=1-t[0]/e.width,o=1-t[1]/e.height,a=this._fitStoreyMaps?s.storeyAABB:s.modelAABB,l=a[0],u=a[1],c=a[2],A=a[3],h=a[4],d=a[5],p=A-l,f=h-u,v=d-c,g=re.vec3([l+p*n,u+.5*f,c+v*o]),m=re.vec3([0,-1,0]),_=re.addVec3(g,m,kF),y=this.viewer.camera.worldForward,b=re.lookAtMat4v(g,_,y,IF),B=this.viewer.scene.pick({pickSurface:i.pickSurface,pickInvisible:!0,matrix:b});return B}},{key:"storeyMapToWorldPos",value:function(e,t){var i=e.storeyId,r=this.storeys[i];if(!r)return this.error("IfcBuildingStorey not found with this ID: "+i),null;var s=1-t[0]/e.width,n=1-t[1]/e.height,o=this._fitStoreyMaps?r.storeyAABB:r.modelAABB,a=o[0],l=o[1],u=o[2],c=o[3],A=o[4],h=o[5],d=c-a,p=A-l,f=h-u,v=re.vec3([a+d*s,l+.5*p,u+f*n]);return v}},{key:"getStoreyContainingWorldPos",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys;for(var r in i){var s=i[r];if(re.point3AABB3AbsoluteIntersect(s.storeyAABB,e))return r}return null}},{key:"getStoreyInVerticalRange",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys;for(var r in i){var s=i[r],n=[0,0,0,0,0,0],o=[0,0,0];if(n[1]=s.storeyAABB[1],n[4]=s.storeyAABB[4],o[1]=e[1],re.point3AABB3AbsoluteIntersect(n,o))return r}return null}},{key:"isPositionAboveOrBelowBuilding",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,i=t?this._filterStoreys(t):this.storeys,r=Object.keys(i);if(r.length<=0)return null;var s=[r[0],r[r.length-1]];return e[1]<i[s[0]].storeyAABB[1]?s[0]:e[1]>i[s[1]].storeyAABB[4]?s[1]:null}},{key:"worldPosToStoreyMap",value:function(e,t,i){var r=e.storeyId,s=this.storeys[r];if(!s)return this.error("IfcBuildingStorey not found with this ID: "+r),!1;var n=this._fitStoreyMaps?s.storeyAABB:s.modelAABB,o=n[0],a=n[1],l=n[2],u=n[3]-o,c=n[4]-a,A=n[5]-l,h=this.viewer.camera.worldUp,d=h[0]>h[1]&&h[0]>h[2],p=!d&&h[1]>h[0]&&h[1]>h[2];!d&&!p&&h[2]>h[0]&&(h[2],h[1]);var f=e.width/u,v=p?e.height/A:e.height/c;return i[0]=Math.floor(e.width-(t[0]-o)*f),i[1]=Math.floor(e.height-(t[2]-l)*v),i[0]>=0&&i[0]<e.width&&i[1]>=0&&i[1]<=e.height}},{key:"worldDirToStoreyMap",value:function(e,t,i){var r=this.viewer.camera,s=r.eye,n=r.look,o=re.subVec3(n,s,kF),a=r.worldUp,l=a[0]>a[1]&&a[0]>a[2],u=!l&&a[1]>a[0]&&a[1]>a[2];!l&&!u&&a[2]>a[0]&&(a[2],a[1]),l?(i[0]=o[1],i[1]=o[2]):u?(i[0]=o[0],i[1]=o[2]):(i[0]=o[0],i[1]=o[1]),re.normalizeVec2(i)}},{key:"destroy",value:function(){this.viewer.scene.off(this._onModelLoaded),h(_(i.prototype),"destroy",this).call(this)}},{key:"storeysList",get:function(){return this._storeysList||(this._storeysList=Object.values(this.storeys),this._storeysList.sort(this._getSpatialSortFunc())),this._storeysList}},{key:"_getSpatialSortFunc",value:function(){var e=this,t=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(i,r){var s=0;s=t.xUp?0:t.yUp?1:2;var n=e.viewer.metaScene,o=n.metaObjects[i.storeyId],a=n.metaObjects[r.storeyId];if(o&&o.attributes&&void 0!==o.attributes.elevation&&a&&a.attributes&&void 0!==a.attributes.elevation){var l=Number.parseFloat(o.attributes.elevation),u=Number.parseFloat(a.attributes.elevation);return l>u?-1:l<u?1:0}return i.aabb[s]>r.aabb[s]?-1:i.aabb[s]<r.aabb[s]?1:0})}},{key:"_filterStoreys",value:function(e){return Object.fromEntries(Object.entries(this.storeys).filter((function(t){var i=b(t,2);i[0];return i[1].modelId===e})))}}]),i}(),TF=new Float64Array([0,0,1]),RF=new Float64Array(4),LF=function(){function e(t){P(this,e),this.id=null,this._viewer=t.viewer,this._plugin=t,this._visible=!1,this._pos=re.vec3(),this._origin=re.vec3(),this._rtcPos=re.vec3(),this._baseDir=re.vec3(),this._rootNode=null,this._displayMeshes=null,this._affordanceMeshes=null,this._ignoreNextSectionPlaneDirUpdate=!1,this._createNodes(),this._bindEvents()}return C(e,[{key:"_setSectionPlane",value:function(e){var t=this;this._sectionPlane&&(this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._onSectionPlanePos=null,this._onSectionPlaneDir=null,this._sectionPlane=null),e&&(this.id=e.id,this._setPos(e.pos),this._setDir(e.dir),this._sectionPlane=e,this._onSectionPlanePos=e.on("pos",(function(){t._setPos(t._sectionPlane.pos)})),this._onSectionPlaneDir=e.on("dir",(function(){t._ignoreNextSectionPlaneDirUpdate?t._ignoreNextSectionPlaneDirUpdate=!1:t._setDir(t._sectionPlane.dir)})))}},{key:"sectionPlane",get:function(){return this._sectionPlane}},{key:"_setPos",value:function(e){this._pos.set(e),Ke(this._pos,this._origin,this._rtcPos),this._rootNode.origin=this._origin,this._rootNode.position=this._rtcPos}},{key:"_setDir",value:function(e){this._baseDir.set(e),this._rootNode.quaternion=re.vec3PairToQuaternion(TF,e,RF)}},{key:"_setSectionPlaneDir",value:function(e){this._sectionPlane&&(this._ignoreNextSectionPlaneDirUpdate=!0,this._sectionPlane.dir=e)}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this._visible!==e){var t;for(t in this._visible=e,this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].visible=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].visible=e)}}},{key:"getVisible",value:function(){return this._visible}},{key:"setCulled",value:function(e){var t;for(t in this._displayMeshes)this._displayMeshes.hasOwnProperty(t)&&(this._displayMeshes[t].culled=e);if(!e)for(t in this._affordanceMeshes)this._affordanceMeshes.hasOwnProperty(t)&&(this._affordanceMeshes[t].culled=e)}},{key:"_createNodes",value:function(){var e=!1,t=this._viewer.scene,i=.01;this._rootNode=new to(t,{position:[0,0,0],scale:[5,5,5]});var r=this._rootNode,s={arrowHead:new dr(r,Qn({radiusTop:.001,radiusBottom:.07,radialSegments:32,heightSegments:1,height:.2,openEnded:!1})),arrowHeadBig:new dr(r,Qn({radiusTop:.001,radiusBottom:.09,radialSegments:32,heightSegments:1,height:.25,openEnded:!1})),axis:new dr(r,Qn({radiusTop:i,radiusBottom:i,radialSegments:20,heightSegments:1,height:1,openEnded:!1}))},n={red:new mr(r,{diffuse:[1,0,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),green:new mr(r,{diffuse:[0,1,0],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),blue:new mr(r,{diffuse:[0,0,1],emissive:[1,0,0],ambient:[0,0,0],specular:[.6,.6,.3],shininess:80,lineWidth:2}),highlightRed:new yr(r,{edges:!1,fill:!0,fillColor:[1,0,0],fillAlpha:.6})};this._displayMeshes={plane:r.addChild(new On(r,{geometry:new dr(r,{primitive:"triangles",positions:[.5,.5,0,.5,-.5,0,-.5,-.5,0,-.5,.5,0,.5,.5,-0,.5,-.5,-0,-.5,-.5,-0,-.5,.5,-0],indices:[0,1,2,2,3,0]}),material:new mr(r,{emissive:[0,0,0],diffuse:[0,0,0],backfaces:!0}),opacity:.6,ghosted:!0,pickable:!1,collidable:!0,clippable:!1,visible:!1,scale:[2.4,2.4,1]}),e),planeFrame:r.addChild(new On(r,{geometry:new dr(r,ko({center:[0,0,0],radius:1.7,tube:.02,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new mr(r,{emissive:[0,0,0],diffuse:[0,0,0],specular:[0,0,0],shininess:0}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,.1],rotation:[0,0,45]}),e),center:r.addChild(new On(r,{geometry:new dr(r,Vn({radius:.05})),material:n.center,pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zAxisArrow:r.addChild(new On(r,{geometry:s.arrowHead,material:n.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e),zShaft:r.addChild(new On(r,{geometry:s.axis,material:n.blue,matrix:function(){var e=re.translateMat4c(0,.5,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[1,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),clippable:!1,pickable:!1,collidable:!0,visible:!1}),e)},this._affordanceMeshes={planeFrame:r.addChild(new On(r,{geometry:new dr(r,ko({center:[0,0,0],radius:2,tube:i,radialSegments:4,tubeSegments:4,arc:2*Math.PI})),material:new mr(r,{ambient:[1,1,1],diffuse:[0,0,0],emissive:[1,1,0]}),highlighted:!0,highlightMaterial:new yr(r,{edges:!1,filled:!0,fillColor:[1,1,0],fillAlpha:1}),pickable:!1,collidable:!1,clippable:!1,visible:!1,scale:[1,1,1],rotation:[0,0,45]}),e),zAxisArrow:r.addChild(new On(r,{geometry:s.arrowHeadBig,material:n.blue,matrix:function(){var e=re.translateMat4c(0,1.1,0,re.identityMat4()),t=re.rotationMat4v(-90*re.DEGTORAD,[.8,0,0],re.identityMat4());return re.mulMat4(t,e,re.identityMat4())}(),pickable:!1,collidable:!0,clippable:!1,visible:!1}),e)}}},{key:"_bindEvents",value:function(){var e=this,t=this._rootNode,i=re.vec2(),r=this._viewer.camera,s=this._viewer.scene,n=0,o=!1,a=re.vec3([0,0,0]),l=-1;this._onCameraViewMatrix=s.camera.on("viewMatrix",(function(){})),this._onCameraProjMatrix=s.camera.on("projMatrix",(function(){})),this._onSceneTick=s.on("tick",(function(){o=!1;var i=Math.abs(re.lenVec3(re.subVec3(s.camera.eye,e._pos,a)));if(i!==l&&"perspective"===r.projection){var u=.07*(Math.tan(r.perspective.fov*re.DEGTORAD)*i);t.scale=[u,u,u],l=i}if("ortho"===r.projection){var A=r.ortho.scale/10;t.scale=[A,A,A],l=i}0!==n&&(c(n),n=0)}));var u=function(){var e=new Float64Array(2);return function(t){if(t){for(var i=t.target,r=0,s=0;i.offsetParent;)r+=i.offsetLeft,s+=i.offsetTop,i=i.offsetParent;e[0]=t.pageX-r,e[1]=t.pageY-s}else t=window.event,e[0]=t.x,e[1]=t.y;return e}}(),c=function(t){var i=e._sectionPlane.pos,r=e._sectionPlane.dir;re.addVec3(i,re.mulVec3Scalar(r,.1*t*e._plugin.getDragSensitivity(),re.vec3())),e._sectionPlane.pos=i},A=!1;this._plugin._controlElement.addEventListener("mousedown",this._canvasMouseDownListener=function(t){if(t.preventDefault(),e._visible&&(e._viewer.cameraControl.pointerEnabled=!1,1===t.which)){A=!0;var r=u(t);i[0]=r[0],i[1]=r[1]}}),this._plugin._controlElement.addEventListener("mousemove",this._canvasMouseMoveListener=function(t){if(e._visible&&A&&!o){var r=u(t),s=r[0],n=r[1];c(n-i[1]),i[0]=s,i[1]=n}}),this._plugin._controlElement.addEventListener("mouseup",this._canvasMouseUpListener=function(t){e._visible&&(e._viewer.cameraControl.pointerEnabled=!0,A&&(t.which,A=!1))}),this._plugin._controlElement.addEventListener("wheel",this._canvasWheelListener=function(t){e._visible&&(n+=Math.max(-1,Math.min(1,40*-t.deltaY)))});var h,d,p=null;this._plugin._controlElement.addEventListener("touchstart",this._handleTouchStart=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(h=t.touches[0].clientY,p=h,n=0)}),this._plugin._controlElement.addEventListener("touchmove",this._handleTouchMove=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(o||(o=!0,d=t.touches[0].clientY,null!==p&&(n+=d-p),p=d))}),this._plugin._controlElement.addEventListener("touchend",this._handleTouchEnd=function(t){t.stopPropagation(),t.preventDefault(),e._visible&&(h=null,d=null,n=0)})}},{key:"_destroy",value:function(){this._unbindEvents(),this._destroyNodes()}},{key:"_unbindEvents",value:function(){var e=this._viewer,t=e.scene,i=t.canvas.canvas,r=e.camera,s=this._plugin._controlElement;t.off(this._onSceneTick),i.removeEventListener("mousedown",this._canvasMouseDownListener),i.removeEventListener("mousemove",this._canvasMouseMoveListener),i.removeEventListener("mouseup",this._canvasMouseUpListener),i.removeEventListener("wheel",this._canvasWheelListener),s.removeEventListener("touchstart",this._handleTouchStart),s.removeEventListener("touchmove",this._handleTouchMove),s.removeEventListener("touchend",this._handleTouchEnd),r.off(this._onCameraViewMatrix),r.off(this._onCameraProjMatrix)}},{key:"_destroyNodes",value:function(){this._setSectionPlane(null),this._rootNode.destroy(),this._displayMeshes={},this._affordanceMeshes={}}}]),e}(),UF=function(){function e(t,i,r){var s=this;P(this,e),this.id=r.id,this._sectionPlane=r,this._mesh=new On(i,{id:r.id,geometry:new dr(i,pr({xSize:.5,ySize:.5,zSize:.001})),material:new mr(i,{emissive:[1,1,1],diffuse:[0,0,0],backfaces:!1}),edgeMaterial:new Br(i,{edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),highlightMaterial:new yr(i,{fill:!0,fillColor:[.5,1,.5],fillAlpha:.7,edges:!0,edgeColor:[0,0,0],edgeAlpha:1,edgeWidth:1}),selectedMaterial:new yr(i,{fill:!0,fillColor:[0,0,1],fillAlpha:.7,edges:!0,edgeColor:[1,0,0],edgeAlpha:1,edgeWidth:1}),highlighted:!0,scale:[3,3,3],position:[0,0,0],rotation:[0,0,0],opacity:.3,edges:!0});var n=re.vec3([0,0,0]),o=re.vec3(),a=re.vec3([0,0,1]),l=re.vec4(4),u=re.vec3(),c=function(){var e=s._sectionPlane.scene.center,t=[-s._sectionPlane.dir[0],-s._sectionPlane.dir[1],-s._sectionPlane.dir[2]];re.subVec3(e,s._sectionPlane.pos,n);var i=-re.dotVec3(t,n);re.normalizeVec3(t),re.mulVec3Scalar(t,i,o);var r=re.vec3PairToQuaternion(a,s._sectionPlane.dir,l);u[0]=.1*o[0],u[1]=.1*o[1],u[2]=.1*o[2],s._mesh.quaternion=r,s._mesh.position=u};this._onSectionPlanePos=this._sectionPlane.on("pos",c),this._onSectionPlaneDir=this._sectionPlane.on("dir",c),this._highlighted=!1,this._selected=!1}return C(e,[{key:"setHighlighted",value:function(e){this._highlighted=!!e,this._mesh.highlighted=this._highlighted,this._mesh.highlightMaterial.fillColor=e?[0,.7,0]:[0,0,0]}},{key:"getHighlighted",value:function(){return this._highlighted}},{key:"setSelected",value:function(e){this._selected=!!e,this._mesh.edgeMaterial.edgeWidth=e?3:1,this._mesh.highlightMaterial.edgeWidth=e?3:1}},{key:"getSelected",value:function(){return this._selected}},{key:"destroy",value:function(){this._sectionPlane.off(this._onSectionPlanePos),this._sectionPlane.off(this._onSectionPlaneDir),this._mesh.destroy()}}]),e}(),OF=function(){function e(t,i){var r=this;if(P(this,e),!(i.onHoverEnterPlane&&i.onHoverLeavePlane&&i.onClickedNothing&&i.onClickedPlane))throw"Missing config(s): onHoverEnterPlane, onHoverLeavePlane, onClickedNothing || onClickedPlane";this.plugin=t,this._viewer=t.viewer,this._onHoverEnterPlane=i.onHoverEnterPlane,this._onHoverLeavePlane=i.onHoverLeavePlane,this._onClickedNothing=i.onClickedNothing,this._onClickedPlane=i.onClickedPlane,this._visible=!0,this._planes={},this._canvas=i.overviewCanvas,this._scene=new Dr(this._viewer,{canvasId:this._canvas.id,transparent:!0}),this._scene.clearLights(),new er(this._scene,{dir:[.4,-.4,.8],color:[.8,1,1],intensity:1,space:"view"}),new er(this._scene,{dir:[-.8,-.3,-.4],color:[.8,.8,.8],intensity:1,space:"view"}),new er(this._scene,{dir:[.8,-.6,-.8],color:[1,1,1],intensity:1,space:"view"}),this._scene.camera,this._scene.camera.perspective.fov=70,this._zUp=!1;var s=this._scene.camera,n=re.rotationMat4c(-90*re.DEGTORAD,1,0,0),o=re.vec3(),a=re.vec3(),l=re.vec3();this._synchCamera=function(){var e=r._viewer.camera.eye,t=r._viewer.camera.look,i=r._viewer.camera.up;re.mulVec3Scalar(re.normalizeVec3(re.subVec3(e,t,o)),7),r._zUp?(re.transformVec3(n,o,a),re.transformVec3(n,i,l),s.look=[0,0,0],s.eye=re.transformVec3(n,o,a),s.up=re.transformPoint3(n,i,l)):(s.look=[0,0,0],s.eye=o,s.up=i)},this._onViewerCameraMatrix=this._viewer.camera.on("matrix",this._synchCamera),this._onViewerCameraWorldAxis=this._viewer.camera.on("worldAxis",this._synchCamera),this._onViewerCameraFOV=this._viewer.camera.perspective.on("fov",(function(e){r._scene.camera.perspective.fov=e}));var u=null;this._onInputMouseMove=this._scene.input.on("mousemove",(function(e){var t=r._scene.pick({canvasPos:e});if(t){if(!u||t.entity.id!==u.id){if(u)r._planes[u.id]&&r._onHoverLeavePlane(u.id);u=t.entity,r._planes[u.id]&&r._onHoverEnterPlane(u.id)}}else u&&(r._onHoverLeavePlane(u.id),u=null)})),this._scene.canvas.canvas.addEventListener("mouseup",this._onCanvasMouseUp=function(){u?r._planes[u.id]&&r._onClickedPlane(u.id):r._onClickedNothing()}),this._scene.canvas.canvas.addEventListener("mouseout",this._onCanvasMouseOut=function(){u&&(r._onHoverLeavePlane(u.id),u=null)}),this.setVisible(i.overviewVisible)}return C(e,[{key:"addSectionPlane",value:function(e){this._planes[e.id]=new UF(this,this._scene,e)}},{key:"setPlaneHighlighted",value:function(e,t){var i=this._planes[e];i&&i.setHighlighted(t)}},{key:"setPlaneSelected",value:function(e,t){var i=this._planes[e];i&&i.setSelected(t)}},{key:"removeSectionPlane",value:function(e){var t=this._planes[e.id];t&&(t.destroy(),delete this._planes[e.id])}},{key:"setVisible",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this._visible=e,this._canvas.style.visibility=e?"visible":"hidden"}},{key:"getVisible",value:function(){return this._visible}},{key:"destroy",value:function(){this._viewer.camera.off(this._onViewerCameraMatrix),this._viewer.camera.off(this._onViewerCameraWorldAxis),this._viewer.camera.perspective.off(this._onViewerCameraFOV),this._scene.input.off(this._onInputMouseMove),this._scene.canvas.canvas.removeEventListener("mouseup",this._onCanvasMouseUp),this._scene.canvas.canvas.removeEventListener("mouseout",this._onCanvasMouseOut),this._scene.destroy()}}]),e}(),NF=re.AABB3(),QF=re.vec3(),VF=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,"FaceAlignedSectionPlanesPlugin",e))._freeControls=[],r._sectionPlanes=e.scene.sectionPlanes,r._controls={},r._shownControlId=null,r._dragSensitivity=s.dragSensitivity||1,null!==s.overviewCanvasId&&void 0!==s.overviewCanvasId){var n=document.getElementById(s.overviewCanvasId);n?r._overview=new OF(m(r),{overviewCanvas:n,visible:s.overviewVisible,onHoverEnterPlane:function(e){r._overview.setPlaneHighlighted(e,!0)},onHoverLeavePlane:function(e){r._overview.setPlaneHighlighted(e,!1)},onClickedPlane:function(e){if(r.getShownControl()!==e){r.showControl(e);var t=r.sectionPlanes[e].pos;NF.set(r.viewer.scene.aabb),re.getAABB3Center(NF,QF),NF[0]+=t[0]-QF[0],NF[1]+=t[1]-QF[1],NF[2]+=t[2]-QF[2],NF[3]+=t[0]-QF[0],NF[4]+=t[1]-QF[1],NF[5]+=t[2]-QF[2],r.viewer.cameraFlight.flyTo({aabb:NF,fitFOV:65})}else r.hideControl()},onClickedNothing:function(){r.hideControl()}}):r.warn("Can't find overview canvas: '"+s.overviewCanvasId+"' - will create plugin without overview")}return null===s.controlElementId||void 0===s.controlElementId?r.error("Parameter expected: controlElementId"):(r._controlElement=document.getElementById(s.controlElementId),r._controlElement||r.warn("Can't find control element: '"+s.controlElementId+"' - will create plugin without control element")),r._onSceneSectionPlaneCreated=e.scene.on("sectionPlaneCreated",(function(e){r._sectionPlaneCreated(e)})),r}return C(i,[{key:"setDragSensitivity",value:function(e){this._dragSensitivity=e||1}},{key:"getDragSensitivity",value:function(){return this._dragSensitivity}},{key:"setOverviewVisible",value:function(e){this._overview&&this._overview.setVisible(e)}},{key:"getOverviewVisible",value:function(){if(this._overview)return this._overview.getVisible()}},{key:"sectionPlanes",get:function(){return this._sectionPlanes}},{key:"createSectionPlane",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};void 0!==e.id&&null!==e.id&&this.viewer.scene.components[e.id]&&(this.error("Viewer component with this ID already exists: "+e.id),delete e.id);var t=new zn(this.viewer.scene,{id:e.id,pos:e.pos,dir:e.dir,active:!0});return t}},{key:"_sectionPlaneCreated",value:function(e){var t=this,i=this._freeControls.length>0?this._freeControls.pop():new LF(this);i._setSectionPlane(e),i.setVisible(!1),this._controls[e.id]=i,this._overview&&this._overview.addSectionPlane(e),e.once("destroyed",(function(){t._sectionPlaneDestroyed(e)}))}},{key:"flipSectionPlanes",value:function(){var e=this.viewer.scene.sectionPlanes;for(var t in e){e[t].flipDir()}}},{key:"showControl",value:function(e){var t=this._controls[e];t?(this.hideControl(),t.setVisible(!0),this._overview&&this._overview.setPlaneSelected(e,!0),this._shownControlId=e):this.error("Control not found: "+e)}},{key:"getShownControl",value:function(){return this._shownControlId}},{key:"hideControl",value:function(){for(var e in this._controls)this._controls.hasOwnProperty(e)&&(this._controls[e].setVisible(!1),this._overview&&this._overview.setPlaneSelected(e,!1));this._shownControlId=null}},{key:"destroySectionPlane",value:function(e){var t=this.viewer.scene.sectionPlanes[e];t?(this._sectionPlaneDestroyed(t),t.destroy(),e===this._shownControlId&&(this._shownControlId=null)):this.error("SectionPlane not found: "+e)}},{key:"_sectionPlaneDestroyed",value:function(e){this._overview&&this._overview.removeSectionPlane(e);var t=this._controls[e.id];t&&(t.setVisible(!1),t._setSectionPlane(null),delete this._controls[e.id],this._freeControls.push(t))}},{key:"clear",value:function(){for(var e=Object.keys(this._sectionPlanes),t=0,i=e.length;t<i;t++)this.destroySectionPlane(e[t])}},{key:"send",value:function(e,t){switch(e){case"snapshotStarting":for(var i in this._controls)this._controls.hasOwnProperty(i)&&this._controls[i].setCulled(!0);break;case"snapshotFinished":for(var r in this._controls)this._controls.hasOwnProperty(r)&&this._controls[r].setCulled(!1);break;case"clearSectionPlanes":this.clear()}}},{key:"destroy",value:function(){this.clear(),this._overview&&this._overview.destroy(),this._destroyFreeControls(),h(_(i.prototype),"destroy",this).call(this)}},{key:"_destroyFreeControls",value:function(){for(var e=this._freeControls.pop();e;)e._destroy(),e=this._freeControls.pop();this.viewer.scene.off(this._onSceneSectionPlaneCreated)}}]),i}(),HF=function(e){p(i,Ue);var t=v(i);function i(e){var r;return P(this,i),(r=t.call(this,"skyboxes",e)).skyboxes={},r}return C(i,[{key:"send",value:function(e,t){if("clear"===e)this.clear()}},{key:"createSkybox",value:function(e,t){if(this.viewer.scene.components[e])return this.error("Component with this ID already exists: "+e),this;var i=new pp(this.viewer.scene,{id:e,pos:t.pos,dir:t.dir,active:!0});return this.skyboxes[e]=i,i}},{key:"destroySkybox",value:function(e){var t=this.skyboxes[e];t?t.destroy():this.error("Skybox not found: "+e)}},{key:"clear",value:function(){for(var e=Object.keys(this.viewer.scene.skyboxes),t=0,i=e.length;t<i;t++)this.destroySkybox(e[t])}},{key:"destroy",value:function(){this.clear(),h(_(i.prototype),"clear",this).call(this)}}]),i}(),jF=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getSTL",value:function(e,t,i){e=this._cacheBusterURL(e);var r=new XMLHttpRequest;r.overrideMimeType("application/json"),r.open("GET",e,!0),r.responseType="arraybuffer",r.onreadystatechange=function(){4===r.readyState&&(200===r.status?t(r.response):i(r.statusText))},r.send(null)}}]),e}(),GF=re.vec3(),zF=function(){function e(){P(this,e)}return C(e,[{key:"load",value:function(e,t,i,r,s,n){r=r||{};var o=e.viewer.scene.canvas.spinner;o.processes++,e.dataSource.getSTL(i,(function(i){!function(e,t,i,r){try{var s=ZF(i);KF(s)?WF(e,s,t,r):XF(e,YF(i),t,r)}catch(e){t.fire("error",e)}}(e,t,i,r);try{var a=ZF(i);KF(a)?WF(e,a,t,r):XF(e,YF(i),t,r),o.processes--,we.scheduleTask((function(){t.fire("loaded",!0,!1)})),s&&s()}catch(i){o.processes--,e.error(i),n&&n(i),t.fire("error",i)}}),(function(i){o.processes--,e.error(i),n&&n(i),t.fire("error",i)}))}},{key:"parse",value:function(e,t,i,r){var s=e.viewer.scene.canvas.spinner;s.processes++;try{var n=ZF(i);KF(n)?WF(e,n,t,r):XF(e,YF(i),t,r),s.processes--,we.scheduleTask((function(){t.fire("loaded",!0,!1)}))}catch(e){s.processes--,t.fire("error",e)}}}]),e}();function KF(e){var t=new DataView(e);if(84+50*t.getUint32(80,!0)===t.byteLength)return!0;for(var i=[115,111,108,105,100],r=0;r<5;r++)if(i[r]!==t.getUint8(r,!1))return!0;return!1}function WF(e,t,i,r){for(var s,n,o,a,l,u,c,A=new DataView(t),h=A.getUint32(80,!0),d=!1,p=null,f=null,v=null,g=!1,m=0;m<70;m++)1129270351===A.getUint32(m,!1)&&82===A.getUint8(m+4)&&61===A.getUint8(m+5)&&(d=!0,a=[],l=A.getUint8(m+6)/255,u=A.getUint8(m+7)/255,c=A.getUint8(m+8)/255,A.getUint8(m+9));for(var _=new no(i,{roughness:.5}),y=[],b=[],B=r.splitMeshes,w=0;w<h;w++){var P=84+50*w,x=A.getFloat32(P,!0),C=A.getFloat32(P+4,!0),M=A.getFloat32(P+8,!0);if(d){var E=A.getUint16(P+48,!0);0==(32768&E)?(s=(31&E)/31,n=(E>>5&31)/31,o=(E>>10&31)/31):(s=l,n=u,o=c),(B&&s!==p||n!==f||o!==v)&&(null!==p&&(g=!0),p=s,f=n,v=o)}for(var F=1;F<=3;F++){var k=P+12*F;y.push(A.getFloat32(k,!0)),y.push(A.getFloat32(k+4,!0)),y.push(A.getFloat32(k+8,!0)),b.push(x,C,M),d&&a.push(s,n,o,1)}B&&g&&(JF(i,y,b,a,_,r),y=[],b=[],a=a?[]:null,g=!1)}y.length>0&&JF(i,y,b,a,_,r)}function XF(e,t,i,r){for(var s,n,o,a,l,u,c,A=/facet([\s\S]*?)endfacet/g,h=0,d=/[\s]+([+-]?(?:\d+.\d+|\d+.|\d+|.\d+)(?:[eE][+-]?\d+)?)/.source,p=new RegExp("vertex"+d+d+d,"g"),f=new RegExp("normal"+d+d+d,"g"),v=[],g=[];null!==(a=A.exec(t));){for(l=0,u=0,c=a[0];null!==(a=f.exec(c));)s=parseFloat(a[1]),n=parseFloat(a[2]),o=parseFloat(a[3]),u++;for(;null!==(a=p.exec(c));)v.push(parseFloat(a[1]),parseFloat(a[2]),parseFloat(a[3])),g.push(s,n,o),l++;1!==u&&e.error("Error in normal of face "+h),3!==l&&e.error("Error in positions of face "+h),h++}JF(i,v,g,null,new no(i,{roughness:.5}),r)}function JF(e,t,i,r,s,n){for(var o=new Int32Array(t.length/3),a=0,l=o.length;a<l;a++)o[a]=a;i=i&&i.length>0?i:null,r=r&&r.length>0?r:null,n.smoothNormals&&re.faceToVertexNormals(t,i,n);var u=GF;We(t,t,u);var c=new dr(e,{primitive:"triangles",positions:t,normals:i,colors:r,indices:o}),A=new On(e,{origin:0!==u[0]||0!==u[1]||0!==u[2]?u:null,geometry:c,material:s,edges:n.edges});e.addChild(A)}function YF(e){return"string"!=typeof e?function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);for(var t="",i=0,r=e.length;i<r;i++)t+=String.fromCharCode(e[i]);return decodeURIComponent(escape(t))}(new Uint8Array(e)):e}function ZF(e){if("string"==typeof e){for(var t=new Uint8Array(e.length),i=0;i<e.length;i++)t[i]=255&e.charCodeAt(i);return t.buffer||t}return e}var qF=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"STLLoader",e,s))._sceneGraphLoader=new zF,r.dataSource=s.dataSource,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new jF}},{key:"load",value:function(e){e.id&&this.viewer.scene.components[e.id]&&(this.error("Component with this ID already exists in viewer: "+e.id+" - will autogenerate this ID"),delete e.id);var t=new to(this.viewer.scene,he.apply(e,{isModel:!0})),i=e.src,r=e.stl;return i||r?(i?this._sceneGraphLoader.load(this,t,i,e):this._sceneGraphLoader.parse(this,t,r,e),t):(this.error("load() param expected: either 'src' or 'stl'"),t)}}]),i}(),$F=function(){function e(){P(this,e)}return C(e,[{key:"createRootNode",value:function(){return document.createElement("ul")}},{key:"createNodeElement",value:function(e,t,i,r,s){var n=document.createElement("li");if(n.id=e.nodeId,e.xrayed&&n.classList.add("xrayed-node"),e.children.length>0){var o=document.createElement("a");o.href="#",o.id="switch-".concat(e.nodeId),o.textContent="+",o.classList.add("plus"),t&&o.addEventListener("click",t),n.appendChild(o)}var a=document.createElement("input");a.id="checkbox-".concat(e.nodeId),a.type="checkbox",a.checked=e.checked,a.style["pointer-events"]="all",i&&a.addEventListener("change",i),n.appendChild(a);var l=document.createElement("span");return l.textContent=e.title,n.appendChild(l),r&&Ne(l,r),s&&(l.onclick=s),n}},{key:"createDisabledNodeElement",value:function(e){var t=document.createElement("li"),i=document.createElement("a");i.href="#",i.textContent="!",i.classList.add("warn"),i.classList.add("warning"),t.appendChild(i);var r=document.createElement("span");return r.textContent=e,t.appendChild(r),t}},{key:"addChildren",value:function(e,t){var i=document.createElement("ul");t.forEach((function(e){i.appendChild(e)})),e.parentElement.appendChild(i)}},{key:"expand",value:function(e,t,i){e.classList.remove("plus"),e.classList.add("minus"),e.textContent="-",e.removeEventListener("click",t),e.addEventListener("click",i)}},{key:"collapse",value:function(e,t,i){if(e){var r=e.parentElement;if(r){var s=r.querySelector("ul");s&&(r.removeChild(s),e.classList.remove("minus"),e.classList.add("plus"),e.textContent="+",e.removeEventListener("click",i),e.addEventListener("click",t))}}}},{key:"isExpanded",value:function(e){return void 0!==e.parentElement.getElementsByTagName("li")[0]}},{key:"getId",value:function(e){return e.parentElement.id}},{key:"getIdFromCheckbox",value:function(e){return e.id.replace("checkbox-","")}},{key:"getSwitchElement",value:function(e){return document.getElementById("switch-".concat(e))}},{key:"isChecked",value:function(e){return e.checked}},{key:"setCheckbox",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],r=document.getElementById("checkbox-".concat(e));r&&(t!==r.checked&&(r.checked=t),i!==r.indeterminate&&(r.indeterminate=i,i&&(r.checked=!1)))}},{key:"setXRayed",value:function(e,t){var i=document.getElementById(e);i&&(t?i.classList.add("xrayed-node"):i.classList.remove("xrayed-node"))}},{key:"setHighlighted",value:function(e,t){var i=document.getElementById(e);i&&(t?(i.scrollIntoView({block:"center"}),i.classList.add("highlighted-node")):i.classList.remove("highlighted-node"))}}]),e}(),ek=[],tk=function(e){p(i,Ue);var t=v(i);function i(e){var r,s,n,o,a,l=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i),(a=t.call(this,"TreeViewPlugin",e)).errors=[],a.valid=!0;var u=l.containerElement||document.getElementById(l.containerElementId);if(!(u instanceof HTMLElement))return a.error("Mandatory config expected: valid containerElementId or containerElement"),g(a);for(var c=0;;c++)if(!ek[c]){ek[c]=m(a),a._index=c,a._id="tree-".concat(c);break}if(a._containerElement=u,a._metaModels={},a._autoAddModels=!1!==l.autoAddModels,a._autoExpandDepth=l.autoExpandDepth||0,a._sortNodes=!1!==l.sortNodes,a._viewer=e,a._rootElement=null,a._muteSceneEvents=!1,a._muteTreeEvents=!1,a._rootNodes=[],a._objectNodes={},a._nodeNodes={},a._rootNames={},a._sortNodes=l.sortNodes,a._pruneEmptyNodes=l.pruneEmptyNodes,a._showListItemElementId=null,a._renderService=l.renderService||new $F,a._showIndeterminate=null!==(r=l.showIndeterminate)&&void 0!==r&&r,a._showProjectNode=null!==(s=l.showProjectNode)&&void 0!==s&&s,a._elevationSortFunction=null!==(n=l.elevationSortFunction)&&void 0!==n?n:void 0,a._defaultSortFunction=null!==(o=l.defaultSortFunction)&&void 0!==o?o:void 0,!a._renderService)throw new Error("TreeViewPlugin: no render service set");if(a._containerElement.oncontextmenu=function(e){e.preventDefault()},a._onObjectVisibility=a._viewer.scene.on("objectVisibility",(function(e){if(!a._muteSceneEvents){var t=e.id,i=a._objectNodes[t];if(i){var r=e.visible;if(r!==i.checked){a._muteTreeEvents=!0,i.checked=r,r?i.numVisibleEntities++:i.numVisibleEntities--,a._renderService.setCheckbox(i.nodeId,r);for(var s=i.parent;s;){s.checked=r,r?s.numVisibleEntities++:s.numVisibleEntities--;var n=a._showIndeterminate&&s.numVisibleEntities>0&&s.numVisibleEntities<s.numEntities;a._renderService.setCheckbox(s.nodeId,s.numVisibleEntities>0,n),s=s.parent}a._muteTreeEvents=!1}}}})),a._onObjectXrayed=a._viewer.scene.on("objectXRayed",(function(e){if(!a._muteSceneEvents){var t=e.id,i=a._objectNodes[t];if(i){a._muteTreeEvents=!0;var r=e.xrayed;r!==i.xrayed&&(i.xrayed=r,a._renderService.setXRayed(i.nodeId,r),a._muteTreeEvents=!1)}}})),a._switchExpandHandler=function(e){e.preventDefault(),e.stopPropagation();var t=e.target;a._expandSwitchElement(t)},a._switchCollapseHandler=function(e){e.preventDefault(),e.stopPropagation();var t=e.target;a._collapseSwitchElement(t)},a._checkboxChangeHandler=function(e){if(!a._muteTreeEvents){a._muteSceneEvents=!0;var t=e.target,i=a._renderService.isChecked(t),r=a._renderService.getIdFromCheckbox(t),s=a._nodeNodes[r],n=a._viewer.scene.objects,o=0;a._withNodeTree(s,(function(e){var t=e.objectId,r=n[t],s=0===e.children.length;e.numVisibleEntities=i?e.numEntities:0,s&&i!==e.checked&&o++,e.checked=i,a._renderService.setCheckbox(e.nodeId,i),r&&(r.visible=i)}));for(var l=s.parent;l;){l.checked=i,i?l.numVisibleEntities+=o:l.numVisibleEntities-=o;var u=a._showIndeterminate&&l.numVisibleEntities>0&&l.numVisibleEntities<l.numEntities;a._renderService.setCheckbox(l.nodeId,l.numVisibleEntities>0,u),l=l.parent}a._muteSceneEvents=!1}},a._hierarchy=l.hierarchy||"containment",a._autoExpandDepth=l.autoExpandDepth||0,a._autoAddModels){for(var A=Object.keys(a.viewer.metaScene.metaModels),h=0,d=A.length;h<d;h++){var p=A[h],f=a.viewer.metaScene.metaModels[p];f.finalized&&a.addModel(p)}a.viewer.scene.on("modelLoaded",(function(e){a.viewer.metaScene.metaModels[e]&&a.addModel(e)}))}return a.hierarchy=l.hierarchy,a}return C(i,[{key:"hierarchy",get:function(){return this._hierarchy},set:function(e){"containment"!==(e=e||"containment")&&"storeys"!==e&&"types"!==e&&(this.error("Unsupported value for `hierarchy' - defaulting to 'containment'"),e="containment"),this._hierarchy!==e&&(this._hierarchy=e,this._createNodes())}},{key:"addModel",value:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(this._containerElement){var r=this.viewer.scene.models[e];if(!r)throw"Model not found: "+e;var s=this.viewer.metaScene.metaModels[e];s?this._metaModels[e]?this.warn("Model already added: "+e):(this._metaModels[e]=s,i&&i.rootName&&(this._rootNames[e]=i.rootName),r.on("destroyed",(function(){t.removeModel(r.id)})),this._createNodes()):this.error("MetaModel not found: "+e)}}},{key:"removeModel",value:function(e){this._containerElement&&(this._metaModels[e]&&(this._rootNames[e]&&delete this._rootNames[e],delete this._metaModels[e],this._createNodes()))}},{key:"showNode",value:function(e){this.unShowNode();var t=this._objectNodes[e];if(t){this.collapse();var i=t.nodeId,r=this._renderService.getSwitchElement(i);if(r)return this._expandSwitchElement(r),r.scrollIntoView(),!0;var s=[];s.unshift(t);for(var n=t.parent;n;)s.unshift(n),n=n.parent;for(var o=0,a=s.length;o<a;o++){var l=this._renderService.getSwitchElement(s[o].nodeId);l&&this._expandSwitchElement(l)}this._renderService.setHighlighted(i,!0),this._showListItemElementId=i}}},{key:"unShowNode",value:function(){this._showListItemElementId&&(this._renderService.setHighlighted(this._showListItemElementId,!1),this._showListItemElementId=null)}},{key:"expandToDepth",value:function(e){var t=this;this.collapse();for(var i=function i(r,s){if(s!==e){var n=t._renderService.getSwitchElement(r.nodeId);if(n){t._expandSwitchElement(n);for(var o=r.children,a=0,l=o.length;a<l;a++){i(o[a],s+1)}}}},r=0,s=this._rootNodes.length;r<s;r++){i(this._rootNodes[r],0)}}},{key:"collapse",value:function(){for(var e=0,t=this._rootNodes.length;e<t;e++){var i=this._rootNodes[e].nodeId;this._collapseNode(i)}}},{key:"withNodeTree",value:function(e,t){t(e);var i=e.children;if(i)for(var r=0,s=i.length;r<s;r++)this.withNodeTree(i[r],t)}},{key:"destroy",value:function(){this._containerElement&&(this._metaModels={},this._rootElement&&!this._destroyed&&(this._rootElement.parentNode.removeChild(this._rootElement),this._viewer.scene.off(this._onObjectVisibility),this._destroyed=!0),delete ek[this._index],h(_(i.prototype),"destroy",this).call(this))}},{key:"_createNodes",value:function(){this._rootElement&&(this._rootElement.parentNode.removeChild(this._rootElement),this._rootElement=null),this._rootNodes=[],this._objectNodes={},this._nodeNodes={},this._validate(),this.valid||"storeys"!==this._hierarchy?this._createEnabledNodes():this._createDisabledNodes()}},{key:"_validate",value:function(){if(this.errors=[],"storeys"===this._hierarchy)this.valid=this._validateMetaModelForStoreysHierarchy();else this.valid=this._rootNodes.length>0;return this.valid}},{key:"_validateMetaModelForStoreysHierarchy",value:function(){return!0}},{key:"_createEnabledNodes",value:function(){switch(this._pruneEmptyNodes&&this._findEmptyNodes(),this._hierarchy){case"storeys":this._createStoreysNodes(),0===this._rootNodes.length&&this.error("Failed to build storeys hierarchy");break;case"types":this._createTypesNodes();break;default:this._createContainmentNodes()}this._sortNodes&&this._doSortNodes(),this._synchNodesToEntities(),this._createTrees(),this.expandToDepth(this._autoExpandDepth)}},{key:"_createDisabledNodes",value:function(){var e=this._renderService.createRootNode();this._rootElement=e,this._containerElement.appendChild(e);var t=this._viewer.metaScene.rootMetaObjects;for(var i in t){var r=t[i],s=r.type,n=r.name,o=n&&""!==n&&"Undefined"!==n&&"Default"!==n?n:s,a=this._renderService.createDisabledNodeElement(o);e.appendChild(a)}}},{key:"_findEmptyNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._findEmptyNodes2(e[t])}},{key:"_findEmptyNodes2",value:function(e){var t=this.viewer,i=t.scene,r=e.children,s=e.id,n=i.objects[s];if(e._countEntities=0,n&&e._countEntities++,r)for(var o=0,a=r.length;o<a;o++){var l=r[o];l._countEntities=this._findEmptyNodes2(l),e._countEntities+=l._countEntities}return e._countEntities}},{key:"_createStoreysNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createStoreysNodes2(e[t],null,null,null,null)}},{key:"_createStoreysNodes2",value:function(e,t,i,r,s){if(!this._pruneEmptyNodes||0!==e._countEntities){var n=e.type,o=e.name,a=e.children,l=e.id;if(this._showProjectNode&&"IfcProject"===n)t={nodeId:"".concat(this._id,"-").concat(l),objectId:l,title:0===e.metaModels.length?o:this._rootNames[e.metaModels[0].id]||(o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:n),type:n,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t;else if("IfcBuilding"===n)i={nodeId:"".concat(this._id,"-").concat(l),objectId:l,title:0===e.metaModels.length?o:this._rootNames[e.metaModels[0].id]||(o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:n),type:n,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t?t.children.push(i):this._rootNodes.push(i),this._objectNodes[i.objectId]=i,this._nodeNodes[i.nodeId]=i;else if("IfcBuildingStorey"===n){if(!i)return void this.error("Failed to build storeys hierarchy for model - model does not have an IfcBuilding object, or is not an IFC model");r={nodeId:"".concat(this._id,"-").concat(l),objectId:l,title:o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:n,type:n,parent:i,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},i.children.push(r),this._objectNodes[r.objectId]=r,this._nodeNodes[r.nodeId]=r,s={}}else{if(r)if(this._viewer.scene.objects[l]){var u=(s=s||{})[n];u||(u={nodeId:"".concat(this._id,"-").concat(r.objectId,"-").concat(n),objectId:"".concat(r.objectId,"-").concat(n),title:n,type:n,parent:r,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},r.children.push(u),this._objectNodes[u.objectId]=u,this._nodeNodes[u.nodeId]=u,s[n]=u);var c={nodeId:"".concat(this._id,"-").concat(l),objectId:l,title:o&&""!==o&&"Undefined"!==o&&"Default"!==o?o:n,type:n,parent:u,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};u.children.push(c),this._objectNodes[c.objectId]=c,this._nodeNodes[c.nodeId]=c}}if(a)for(var A=0,h=a.length;A<h;A++){var d=a[A];this._createStoreysNodes2(d,t,i,r,s)}}}},{key:"_createTypesNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createTypesNodes2(e[t],null,null)}},{key:"_createTypesNodes2",value:function(e,t,i){if(!this._pruneEmptyNodes||0!==e._countEntities){var r=e.type,s=e.name,n=e.children,o=e.id;if(e.parent){if(t)if(this._viewer.scene.objects[o]){var a=i[r];a||(a={nodeId:"".concat(this._id,"-").concat(t.objectId,"-").concat(r),objectId:"".concat(t.objectId,"-").concat(r),title:r,type:r,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},t.children.push(a),this._objectNodes[a.objectId]=a,this._nodeNodes[a.nodeId]=a,i[r]=a);var l={nodeId:"".concat(this._id,"-").concat(o),objectId:o,title:s&&""!==s&&"Default"!==s?s:r,type:r,parent:a,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};a.children.push(l),this._objectNodes[l.objectId]=l,this._nodeNodes[l.nodeId]=l}}else t={nodeId:"".concat(this._id,"-").concat(o),objectId:o,title:0===e.metaModels.length?s:this._rootNames[e.metaModels[0].id]||(s&&""!==s&&"Undefined"!==s&&"Default"!==s?s:r),type:r,parent:null,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]},this._rootNodes.push(t),this._objectNodes[t.objectId]=t,this._nodeNodes[t.nodeId]=t,i={};if(n)for(var u=0,c=n.length;u<c;u++){var A=n[u];this._createTypesNodes2(A,t,i)}}}},{key:"_createContainmentNodes",value:function(){var e=this._viewer.metaScene.rootMetaObjects;for(var t in e)this._createContainmentNodes2(e[t],null)}},{key:"_createContainmentNodes2",value:function(e,t){if(!this._pruneEmptyNodes||0!==e._countEntities){var i=e.type,r=e.name||i,s=e.children,n=e.id,o={nodeId:"".concat(this._id,"-").concat(n),objectId:n,title:t?r&&""!==r&&"Undefined"!==r&&"Default"!==r?r:i:0===e.metaModels.length?r:this._rootNames[e.metaModels[0].id]||r,type:i,parent:t,numEntities:0,numVisibleEntities:0,checked:!1,xrayed:!1,children:[]};if(t?t.children.push(o):this._rootNodes.push(o),this._objectNodes[o.objectId]=o,this._nodeNodes[o.nodeId]=o,s)for(var a=0,l=s.length;a<l;a++){var u=s[a];this._createContainmentNodes2(u,o)}}}},{key:"_doSortNodes",value:function(){for(var e=0,t=this._rootNodes.length;e<t;e++){var i=this._rootNodes[e];this._sortChildren(i)}}},{key:"_sortChildren",value:function(e){var t=e.children;if(t&&0!==t.length){var i=t[0];"storeys"!==this._hierarchy&&"containment"!==this._hierarchy||"IfcBuildingStorey"!==i.type?this._defaultSortFunction?t.sort(this._defaultSortFunction):t.sort(this._alphaSortFunc):this._elevationSortFunction?t.sort(this._elevationSortFunction):t.sort(this._getSpatialSortFunc());for(var r=0,s=t.length;r<s;r++){var n=t[r];this._sortChildren(n)}}}},{key:"_getSpatialSortFunc",value:function(){var e=this,t=this.viewer.scene.camera;return this._spatialSortFunc||(this._spatialSortFunc=function(i,r){t.xUp||t.yUp;var s=e.viewer.metaScene,n=s.metaObjects[i.objectId],o=s.metaObjects[r.objectId];if(n&&n.attributes&&void 0!==n.attributes.elevation&&o&&o.attributes&&void 0!==o.attributes.elevation){var a=Number.parseFloat(n.attributes.elevation),l=Number.parseFloat(o.attributes.elevation);return a>l?-1:a<l?1:0}return 0})}},{key:"_alphaSortFunc",value:function(e,t){var i=e.title.toUpperCase(),r=t.title.toUpperCase();return i<r?-1:i>r?1:0}},{key:"_synchNodesToEntities",value:function(){for(var e=Object.keys(this.viewer.metaScene.metaObjects),t=this._viewer.metaScene.metaObjects,i=this._viewer.scene.objects,r=0,s=e.length;r<s;r++){var n=e[r];if(t[n]){var o=this._objectNodes[n];if(o){var a=i[n];if(a){var l=a.visible;o.numEntities=1,o.xrayed=a.xrayed,l?(o.numVisibleEntities=1,o.checked=!0):(o.numVisibleEntities=0,o.checked=!1);for(var u=o.parent;u;)u.numEntities++,l&&(u.numVisibleEntities++,u.checked=!0),u=u.parent}}}}}},{key:"_withNodeTree",value:function(e,t){t(e);var i=e.children;if(i)for(var r=0,s=i.length;r<s;r++)this._withNodeTree(i[r],t)}},{key:"_createTrees",value:function(){var e=this;if(0!==this._rootNodes.length){var t=this._rootNodes.map((function(t){return e._createNodeElement(t)})),i=this._renderService.createRootNode();t.forEach((function(e){i.appendChild(e)})),this._containerElement.appendChild(i),this._rootElement=i}}},{key:"_createNodeElement",value:function(e){var t=this;return this._renderService.createNodeElement(e,this._switchExpandHandler,this._checkboxChangeHandler,(function(i){t.fire("contextmenu",{event:i,viewer:t._viewer,treeViewPlugin:t,treeViewNode:e}),i.preventDefault()}),(function(i){t.fire("nodeTitleClicked",{event:i,viewer:t._viewer,treeViewPlugin:t,treeViewNode:e}),i.preventDefault()}))}},{key:"_expandSwitchElement",value:function(e){var t=this;if(!this._renderService.isExpanded(e)){var i=this._renderService.getId(e),r=this._nodeNodes[i].children.map((function(e){return t._createNodeElement(e)}));this._renderService.addChildren(e,r),this._renderService.expand(e,this._switchExpandHandler,this._switchCollapseHandler)}}},{key:"_collapseNode",value:function(e){var t=this._renderService.getSwitchElement(e);this._collapseSwitchElement(t)}},{key:"_collapseSwitchElement",value:function(e){this._renderService.collapse(e,this._switchExpandHandler,this._switchCollapseHandler)}}]),i}(),ik=function(){function e(t){var i=this;P(this,e),this._scene=t,this._objects=[],this._objectsViewCulled=[],this._objectsDetailCulled=[],this._objectsChanged=[],this._objectsChangedList=[],this._modelInfos={},this._numObjects=0,this._lenObjectsChangedList=0,this._dirty=!0,this._onModelLoaded=t.on("modelLoaded",(function(e){var r=t.models[e];r&&i._addModel(r)})),this._onTick=t.on("tick",(function(){i._dirty&&i._build(),i._applyChanges()}))}return C(e,[{key:"_addModel",value:function(e){var t=this,i={model:e,onDestroyed:e.on("destroyed",(function(){t._removeModel(e)}))};this._modelInfos[e.id]=i,this._dirty=!0}},{key:"_removeModel",value:function(e){var t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._dirty=!0)}},{key:"_build",value:function(){if(this._dirty){this._applyChanges();for(var e=this._scene.objects,t=0;t<this._numObjects;t++)this._objects[t]=null;for(var i in this._numObjects=0,e){var r=e[i];this._objects[this._numObjects++]=r}this._lenObjectsChangedList=0,this._dirty=!1}}},{key:"_applyChanges",value:function(){if(this._lenObjectsChangedList>0){for(var e=0;e<this._lenObjectsChangedList;e++){var t=this._objectsChangedList[e],i=this._objects[t],r=this._objectsViewCulled[t],s=this._objectsDetailCulled[t],n=r||s;i.culled=n,this._objectsChanged[t]=!1}this._lenObjectsChangedList=0}}},{key:"objects",get:function(){return this._dirty&&this._build(),this._objects}},{key:"numObjects",get:function(){return this._dirty&&this._build(),this._numObjects}},{key:"setObjectViewCulled",value:function(e,t){this._dirty&&this._build(),this._objectsViewCulled[e]!==t&&(this._objectsViewCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}},{key:"setObjectDetailCulled",value:function(e,t){this._dirty&&this._build(),this._objectsDetailCulled[e]!==t&&(this._objectsDetailCulled[e]=t,this._objectsChanged[e]||(this._objectsChanged[e]=!0,this._objectsChangedList[this._lenObjectsChangedList++]=e))}},{key:"_destroy",value:function(){this._clear(),this._scene.off(this._onModelLoaded),this._scene.off(this._onTick)}},{key:"_clear",value:function(){for(var e in this._modelInfos){var t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._dirty=!0}}]),e}(),rk={};function sk(e){var t=e.id,i=rk[t];return i||(i=new ik(e),rk[t]=i,e.on("destroyed",(function(){delete rk[t],i._destroy()}))),i}var nk=new Float32Array(3),ok=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"ViewCull",e))._objectCullStates=sk(e.scene),r._maxTreeDepth=s.maxTreeDepth||8,r._modelInfos={},r._frustum=new Ie,r._kdRoot=null,r._frustumDirty=!1,r._kdTreeDirty=!1,r._onViewMatrix=e.scene.camera.on("viewMatrix",(function(){r._frustumDirty=!0})),r._onProjMatrix=e.scene.camera.on("projMatMatrix",(function(){r._frustumDirty=!0})),r._onModelLoaded=e.scene.on("modelLoaded",(function(e){var t=r.viewer.scene.models[e];t&&r._addModel(t)})),r._onSceneTick=e.scene.on("tick",(function(){r._doCull()})),r}return C(i,[{key:"enabled",get:function(){return this._enabled},set:function(e){this._enabled=e}},{key:"_addModel",value:function(e){var t=this,i={model:e,onDestroyed:e.on("destroyed",(function(){t._removeModel(e)}))};this._modelInfos[e.id]=i,this._kdTreeDirty=!0}},{key:"_removeModel",value:function(e){var t=this._modelInfos[e.id];t&&(t.model.off(t.onDestroyed),delete this._modelInfos[e.id],this._kdTreeDirty=!0)}},{key:"_doCull",value:function(){var e=this._frustumDirty||this._kdTreeDirty;if(this._frustumDirty&&this._buildFrustum(),this._kdTreeDirty&&this._buildKDTree(),e){var t=this._kdRoot;t&&this._visitKDNode(t)}}},{key:"_buildFrustum",value:function(){var e=this.viewer.scene.camera;De(this._frustum,e.viewMatrix,e.projMatrix),this._frustumDirty=!1}},{key:"_buildKDTree",value:function(){var e=this.viewer.scene;this._kdRoot,this._kdRoot={aabb:e.getAABB(),intersection:Ie.INTERSECT};for(var t=0,i=this._objectCullStates.numObjects;t<i;t++){var r=this._objectCullStates.objects[t];this._insertEntityIntoKDTree(this._kdRoot,r,t,1)}this._kdTreeDirty=!1}},{key:"_insertEntityIntoKDTree",value:function(e,t,i,r){var s=t.aabb;if(r>=this._maxTreeDepth)return e.objects=e.objects||[],e.objects.push(i),void re.expandAABB3(e.aabb,s);if(e.left&&re.containsAABB3(e.left.aabb,s))this._insertEntityIntoKDTree(e.left,t,i,r+1);else if(e.right&&re.containsAABB3(e.right.aabb,s))this._insertEntityIntoKDTree(e.right,t,i,r+1);else{var n=e.aabb;nk[0]=n[3]-n[0],nk[1]=n[4]-n[1],nk[2]=n[5]-n[2];var o=0;if(nk[1]>nk[o]&&(o=1),nk[2]>nk[o]&&(o=2),!e.left){var a=n.slice();if(a[o+3]=(n[o]+n[o+3])/2,e.left={aabb:a,intersection:Ie.INTERSECT},re.containsAABB3(a,s))return void this._insertEntityIntoKDTree(e.left,t,i,r+1)}if(!e.right){var l=n.slice();if(l[o]=(n[o]+n[o+3])/2,e.right={aabb:l,intersection:Ie.INTERSECT},re.containsAABB3(l,s))return void this._insertEntityIntoKDTree(e.right,t,i,r+1)}e.objects=e.objects||[],e.objects.push(i),re.expandAABB3(e.aabb,s)}}},{key:"_visitKDNode",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:Ie.INTERSECT;if(t===Ie.INTERSECT||e.intersects!==t){t===Ie.INTERSECT&&(t=Se(this._frustum,e.aabb),e.intersects=t);var i=t===Ie.OUTSIDE,r=e.objects;if(r&&r.length>0)for(var s=0,n=r.length;s<n;s++){var o=r[s];this._objectCullStates.setObjectViewCulled(o,i)}e.left&&this._visitKDNode(e.left,t),e.right&&this._visitKDNode(e.right,t)}}},{key:"send",value:function(e,t){}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this),this._clear();var e=this.viewer.scene,t=e.camera;e.off(this._onModelLoaded),e.off(this._onSceneTick),t.off(this._onViewMatrix),t.off(this._onProjMatrix)}},{key:"_clear",value:function(){for(var e in this._modelInfos){var t=this._modelInfos[e];t.model.off(t.onDestroyed)}this._modelInfos={},this._kdRoot=null,this._kdTreeDirty=!0}}]),i}(),ak=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getManifest",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getMetaModel",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}},{key:"getXKT",value:function(e,t,i){var r=function(){};t=t||r,i=i||r;var s=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(s){var n=!!s[2],o=s[3];o=window.decodeURIComponent(o),n&&(o=window.atob(o));try{for(var a=new ArrayBuffer(o.length),l=new Uint8Array(a),u=0;u<o.length;u++)l[u]=o.charCodeAt(u);t(a)}catch(e){i(e)}}else{var c=new XMLHttpRequest;c.open("GET",this._cacheBusterURL(e),!0),c.responseType="arraybuffer",c.onreadystatechange=function(){4===c.readyState&&(200===c.status?t(c.response):i("getXKT error : "+c.response))},c.send(null)}}}]),e}();!function(e,t){"object"==("undefined"==typeof exports?"undefined":y(exports))&&"undefined"!=typeof module?t(exports):"function"==typeof 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Te(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=Ae,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new Uint16Array(1146),this.dyn_dtree=new Uint16Array(122),this.bl_tree=new Uint16Array(78),_e(this.dyn_ltree),_e(this.dyn_dtree),_e(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new Uint16Array(16),this.heap=new Uint16Array(573),_e(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new 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i===ee&&((t=e.state).window_size=2*t.w_size,_e(t.head),t.max_lazy_match=Se[t.level].max_lazy,t.good_match=Se[t.level].good_length,t.nice_match=Se[t.level].nice_length,t.max_chain_length=Se[t.level].max_chain,t.strstart=0,t.block_start=0,t.lookahead=0,t.insert=0,t.match_length=t.prev_length=2,t.match_available=0,t.ins_h=0),i},Oe=function(e,t,i,r,s,n){if(!e)return ie;var o=1;if(t===ne&&(t=6),r<0?(o=0,r=-r):r>15&&(o=2,r-=16),s<1||s>9||i!==Ae||r<8||r>15||t<0||t>9||n<0||n>ue||8===r&&1!==o)return ge(e,ie);8===r&&(r=9);var a=new Te;return e.state=a,a.strm=e,a.status=pe,a.wrap=o,a.gzhead=null,a.w_bits=r,a.w_size=1<<a.w_bits,a.w_mask=a.w_size-1,a.hash_bits=s+7,a.hash_size=1<<a.hash_bits,a.hash_mask=a.hash_size-1,a.hash_shift=~~((a.hash_bits+3-1)/3),a.window=new Uint8Array(2*a.w_size),a.head=new Uint16Array(a.hash_size),a.prev=new Uint16Array(a.w_size),a.lit_bufsize=1<<s+6,a.pending_buf_size=4*a.lit_bufsize,a.pending_buf=new 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A,h=i.pending;do{if(i.pending===i.pending_buf_size){if(i.gzhead.hcrc&&i.pending>h&&(e.adler=V(e.adler,i.pending_buf,i.pending-h,h)),Be(e),0!==i.pending)return i.last_flush=-1,ee;h=0}A=i.gzindex<i.gzhead.comment.length?255&i.gzhead.comment.charCodeAt(i.gzindex++):0,Pe(i,A)}while(0!==A);i.gzhead.hcrc&&i.pending>h&&(e.adler=V(e.adler,i.pending_buf,i.pending-h,h))}i.status=103}if(103===i.status){if(i.gzhead.hcrc){if(i.pending+2>i.pending_buf_size&&(Be(e),0!==i.pending))return i.last_flush=-1,ee;Pe(i,255&e.adler),Pe(i,e.adler>>8&255),e.adler=0}if(i.status=fe,Be(e),0!==i.pending)return i.last_flush=-1,ee}if(0!==e.avail_in||0!==i.lookahead||t!==J&&i.status!==ve){var d=0===i.level?Fe(i,t):i.strategy===ae?function(e,t){for(var i;;){if(0===e.lookahead&&(Ee(e),0===e.lookahead)){if(t===J)return 1;break}if(e.match_length=0,i=W(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++,i&&(we(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,t===q?(we(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(we(e,!1),0===e.strm.avail_out)?1:2}(i,t):i.strategy===le?function(e,t){for(var i,r,s,n,o=e.window;;){if(e.lookahead<=he){if(Ee(e),e.lookahead<=he&&t===J)return 1;if(0===e.lookahead)break}if(e.match_length=0,e.lookahead>=3&&e.strstart>0&&((r=o[s=e.strstart-1])===o[++s]&&r===o[++s]&&r===o[++s])){n=e.strstart+he;do{}while(r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&r===o[++s]&&s<n);e.match_length=he-(n-s),e.match_length>e.lookahead&&(e.match_length=e.lookahead)}if(e.match_length>=3?(i=W(e,1,e.match_length-3),e.lookahead-=e.match_length,e.strstart+=e.match_length,e.match_length=0):(i=W(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++),i&&(we(e,!1),0===e.strm.avail_out))return 1}return e.insert=0,t===q?(we(e,!0),0===e.strm.avail_out?3:4):e.sym_next&&(we(e,!1),0===e.strm.avail_out)?1:2}(i,t):Se[i.level].func(i,t);if(3!==d&&4!==d||(i.status=ve),1===d||3===d)return 0===e.avail_out&&(i.last_flush=-1),ee;if(2===d&&(t===Y?X(i):t!==$&&(z(i,0,0,!1),t===Z&&(_e(i.head),0===i.lookahead&&(i.strstart=0,i.block_start=0,i.insert=0))),Be(e),0===e.avail_out))return i.last_flush=-1,ee}return t!==q?ee:i.wrap<=0?te:(2===i.wrap?(Pe(i,255&e.adler),Pe(i,e.adler>>8&255),Pe(i,e.adler>>16&255),Pe(i,e.adler>>24&255),Pe(i,255&e.total_in),Pe(i,e.total_in>>8&255),Pe(i,e.total_in>>16&255),Pe(i,e.total_in>>24&255)):(xe(i,e.adler>>>16),xe(i,65535&e.adler)),Be(e),i.wrap>0&&(i.wrap=-i.wrap),0!==i.pending?ee:te)},He=function(e){if(Re(e))return ie;var t=e.state.status;return e.state=null,t===fe?ge(e,re):ee},je=function(e,t){var i=t.length;if(Re(e))return ie;var r=e.state,s=r.wrap;if(2===s||1===s&&r.status!==pe||r.lookahead)return ie;if(1===s&&(e.adler=N(e.adler,t,i,0)),r.wrap=0,i>=r.w_size){0===s&&(_e(r.head),r.strstart=0,r.block_start=0,r.insert=0);var n=new Uint8Array(r.w_size);n.set(t.subarray(i-r.w_size,i),0),t=n,i=r.w_size}var o=e.avail_in,a=e.next_in,l=e.input;for(e.avail_in=i,e.next_in=0,e.input=t,Ee(r);r.lookahead>=3;){var u=r.strstart,c=r.lookahead-2;do{r.ins_h=be(r,r.ins_h,r.window[u+3-1]),r.prev[u&r.w_mask]=r.head[r.ins_h],r.head[r.ins_h]=u,u++}while(--c);r.strstart=u,r.lookahead=2,Ee(r)}return r.strstart+=r.lookahead,r.block_start=r.strstart,r.insert=r.lookahead,r.lookahead=0,r.match_length=r.prev_length=2,r.match_available=0,e.next_in=a,e.input=l,e.avail_in=o,r.wrap=s,ee},Ge=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},ze=function(e){for(var t=Array.prototype.slice.call(arguments,1);t.length;){var i=t.shift();if(i){if("object"!=y(i))throw new TypeError(i+"must be non-object");for(var r in i)Ge(i,r)&&(e[r]=i[r])}}return e},Ke=function(e){for(var t=0,i=0,r=e.length;i<r;i++)t+=e[i].length;for(var s=new Uint8Array(t),n=0,o=0,a=e.length;n<a;n++){var l=e[n];s.set(l,o),o+=l.length}return s},We=!0;try{String.fromCharCode.apply(null,new Uint8Array(1))}catch(e){We=!1}for(var Xe=new 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o=e[i++];if(o<128)n[r++]=o;else{var a=Xe[o];if(a>4)n[r++]=65533,i+=a-1;else{for(o&=2===a?31:3===a?15:7;a>1&&i<s;)o=o<<6|63&e[i++],a--;a>1?n[r++]=65533:o<65536?n[r++]=o:(o-=65536,n[r++]=55296|o>>10&1023,n[r++]=56320|1023&o)}}}return function(e,t){if(t<65534&&e.subarray&&We)return String.fromCharCode.apply(null,e.length===t?e:e.subarray(0,t));for(var i="",r=0;r<t;r++)i+=String.fromCharCode(e[r]);return i}(n,r)},qe=function(e,t){(t=t||e.length)>e.length&&(t=e.length);for(var i=t-1;i>=0&&128==(192&e[i]);)i--;return i<0||0===i?t:i+Xe[e[i]]>t?i:t},$e=function(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0},et=Object.prototype.toString,tt=j.Z_NO_FLUSH,it=j.Z_SYNC_FLUSH,rt=j.Z_FULL_FLUSH,st=j.Z_FINISH,nt=j.Z_OK,ot=j.Z_STREAM_END,at=j.Z_DEFAULT_COMPRESSION,lt=j.Z_DEFAULT_STRATEGY,ut=j.Z_DEFLATED;function ct(e){this.options=ze({level:at,method:ut,chunkSize:16384,windowBits:15,memLevel:8,strategy:lt},e||{});var t=this.options;t.raw&&t.windowBits>0?t.windowBits=-t.windowBits:t.gzip&&t.windowBits>0&&t.windowBits<16&&(t.windowBits+=16),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new $e,this.strm.avail_out=0;var i=Ne(this.strm,t.level,t.method,t.windowBits,t.memLevel,t.strategy);if(i!==nt)throw new Error(H[i]);if(t.header&&Qe(this.strm,t.header),t.dictionary){var r;if(r="string"==typeof t.dictionary?Ye(t.dictionary):"[object ArrayBuffer]"===et.call(t.dictionary)?new Uint8Array(t.dictionary):t.dictionary,(i=je(this.strm,r))!==nt)throw new Error(H[i]);this._dict_set=!0}}function At(e,t){var i=new ct(t);if(i.push(e,!0),i.err)throw i.msg||H[i.err];return i.result}ct.prototype.push=function(e,t){var i,r,s=this.strm,n=this.options.chunkSize;if(this.ended)return!1;for(r=t===~~t?t:!0===t?st:tt,"string"==typeof e?s.input=Ye(e):"[object ArrayBuffer]"===et.call(e)?s.input=new Uint8Array(e):s.input=e,s.next_in=0,s.avail_in=s.input.length;;)if(0===s.avail_out&&(s.output=new Uint8Array(n),s.next_out=0,s.avail_out=n),(r===it||r===rt)&&s.avail_out<=6)this.onData(s.output.subarray(0,s.next_out)),s.avail_out=0;else{if((i=Ve(s,r))===ot)return s.next_out>0&&this.onData(s.output.subarray(0,s.next_out)),i=He(this.strm),this.onEnd(i),this.ended=!0,i===nt;if(0!==s.avail_out){if(r>0&&s.next_out>0)this.onData(s.output.subarray(0,s.next_out)),s.avail_out=0;else if(0===s.avail_in)break}else this.onData(s.output)}return!0},ct.prototype.onData=function(e){this.chunks.push(e)},ct.prototype.onEnd=function(e){e===nt&&(this.result=Ke(this.chunks)),this.chunks=[],this.err=e,this.msg=this.strm.msg};var ht=ct,dt=At,pt=function(e,t){return(t=t||{}).raw=!0,At(e,t)},ft=function(e,t){return(t=t||{}).gzip=!0,At(e,t)},vt=16209,gt=function(e,t){var i,r,s,n,o,a,l,u,c,A,h,d,p,f,v,g,m,_,y,b,B,w,P,x,C=e.state;i=e.next_in,P=e.input,r=i+(e.avail_in-5),s=e.next_out,x=e.output,n=s-(t-e.avail_out),o=s+(e.avail_out-257),a=C.dmax,l=C.wsize,u=C.whave,c=C.wnext,A=C.window,h=C.hold,d=C.bits,p=C.lencode,f=C.distcode,v=(1<<C.lenbits)-1,g=(1<<C.distbits)-1;e:do{d<15&&(h+=P[i++]<<d,d+=8,h+=P[i++]<<d,d+=8),m=p[h&v];t:for(;;){if(h>>>=_=m>>>24,d-=_,0===(_=m>>>16&255))x[s++]=65535&m;else{if(!(16&_)){if(0==(64&_)){m=p[(65535&m)+(h&(1<<_)-1)];continue t}if(32&_){C.mode=16191;break e}e.msg="invalid literal/length code",C.mode=vt;break e}y=65535&m,(_&=15)&&(d<_&&(h+=P[i++]<<d,d+=8),y+=h&(1<<_)-1,h>>>=_,d-=_),d<15&&(h+=P[i++]<<d,d+=8,h+=P[i++]<<d,d+=8),m=f[h&g];i:for(;;){if(h>>>=_=m>>>24,d-=_,!(16&(_=m>>>16&255))){if(0==(64&_)){m=f[(65535&m)+(h&(1<<_)-1)];continue i}e.msg="invalid distance code",C.mode=vt;break e}if(b=65535&m,d<(_&=15)&&(h+=P[i++]<<d,(d+=8)<_&&(h+=P[i++]<<d,d+=8)),(b+=h&(1<<_)-1)>a){e.msg="invalid distance too far back",C.mode=vt;break 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t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,Xt(e)},Yt=function(e,t){var i;if(Wt(e))return Ft;var r=e.state;return t<0?(i=0,t=-t):(i=5+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?Ft:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=i,r.wbits=t,Jt(e))},Zt=function(e,t){if(!e)return Ft;var i=new Gt;e.state=i,i.strm=e,i.window=null,i.mode=Tt;var r=Yt(e,t);return r!==Ct&&(e.state=null),r},qt=!0,$t=function(e){if(qt){zt=new Int32Array(512),Kt=new Int32Array(32);for(var t=0;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(Bt(1,e.lens,0,288,zt,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;Bt(2,e.lens,0,32,Kt,0,e.work,{bits:5}),qt=!1}e.lencode=zt,e.lenbits=9,e.distcode=Kt,e.distbits=5},ei=function(e,t,i,r){var s,n=e.state;return null===n.window&&(n.wsize=1<<n.wbits,n.wnext=0,n.whave=0,n.window=new 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e;a--,u+=r[n++]<<c,c+=8}if(2&i.wrap&&35615===u){0===i.wbits&&(i.wbits=15),i.check=0,M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0),u=0,c=0,i.mode=16181;break}if(i.head&&(i.head.done=!1),!(1&i.wrap)||(((255&u)<<8)+(u>>8))%31){e.msg="incorrect header check",i.mode=Ht;break}if((15&u)!==St){e.msg="unknown compression method",i.mode=Ht;break}if(c-=4,B=8+(15&(u>>>=4)),0===i.wbits&&(i.wbits=B),B>15||B>i.wbits){e.msg="invalid window size",i.mode=Ht;break}i.dmax=1<<i.wbits,i.flags=0,e.adler=i.check=1,i.mode=512&u?16189:Lt,u=0,c=0;break;case 16181:for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(i.flags=u,(255&i.flags)!==St){e.msg="unknown compression method",i.mode=Ht;break}if(57344&i.flags){e.msg="unknown header flags set",i.mode=Ht;break}i.head&&(i.head.text=u>>8&1),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0,i.mode=16182;case 16182:for(;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.head&&(i.head.time=u),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,M[2]=u>>>16&255,M[3]=u>>>24&255,i.check=V(i.check,M,4,0)),u=0,c=0,i.mode=16183;case 16183:for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.head&&(i.head.xflags=255&u,i.head.os=u>>8),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0,i.mode=16184;case 16184:if(1024&i.flags){for(;c<16;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.length=u,i.head&&(i.head.extra_len=u),512&i.flags&&4&i.wrap&&(M[0]=255&u,M[1]=u>>>8&255,i.check=V(i.check,M,2,0)),u=0,c=0}else i.head&&(i.head.extra=null);i.mode=16185;case 16185:if(1024&i.flags&&((d=i.length)>a&&(d=a),d&&(i.head&&(B=i.head.extra_len-i.length,i.head.extra||(i.head.extra=new Uint8Array(i.head.extra_len)),i.head.extra.set(r.subarray(n,n+d),B)),512&i.flags&&4&i.wrap&&(i.check=V(i.check,r,d,n)),a-=d,n+=d,i.length-=d),i.length))break e;i.length=0,i.mode=16186;case 16186:if(2048&i.flags){if(0===a)break 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Lt:if(t===Pt||t===xt)break e;case Ut:if(i.last){u>>>=7&c,c-=7&c,i.mode=Vt;break}for(;c<3;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}switch(i.last=1&u,c-=1,3&(u>>>=1)){case 0:i.mode=16193;break;case 1:if($t(i),i.mode=Nt,t===xt){u>>>=2,c-=2;break e}break;case 2:i.mode=16196;break;case 3:e.msg="invalid block type",i.mode=Ht}u>>>=2,c-=2;break;case 16193:for(u>>>=7&c,c-=7&c;c<32;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if((65535&u)!=(u>>>16^65535)){e.msg="invalid stored block lengths",i.mode=Ht;break}if(i.length=65535&u,u=0,c=0,i.mode=Ot,t===xt)break e;case Ot:i.mode=16195;case 16195:if(d=i.length){if(d>a&&(d=a),d>l&&(d=l),0===d)break e;s.set(r.subarray(n,n+d),o),a-=d,n+=d,l-=d,o+=d,i.length-=d;break}i.mode=Lt;break;case 16196:for(;c<14;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(i.nlen=257+(31&u),u>>>=5,c-=5,i.ndist=1+(31&u),u>>>=5,c-=5,i.ncode=4+(15&u),u>>>=4,c-=4,i.nlen>286||i.ndist>30){e.msg="too many length or distance symbols",i.mode=Ht;break}i.have=0,i.mode=16197;case 16197:for(;i.have<i.ncode;){for(;c<3;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.lens[E[i.have++]]=7&u,u>>>=3,c-=3}for(;i.have<19;)i.lens[E[i.have++]]=0;if(i.lencode=i.lendyn,i.lenbits=7,P={bits:i.lenbits},w=Bt(0,i.lens,0,19,i.lencode,0,i.work,P),i.lenbits=P.bits,w){e.msg="invalid code lengths set",i.mode=Ht;break}i.have=0,i.mode=16198;case 16198:for(;i.have<i.nlen+i.ndist;){for(;g=(C=i.lencode[u&(1<<i.lenbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(m<16)u>>>=v,c-=v,i.lens[i.have++]=m;else{if(16===m){for(x=v+2;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(u>>>=v,c-=v,0===i.have){e.msg="invalid bit length repeat",i.mode=Ht;break}B=i.lens[i.have-1],d=3+(3&u),u>>>=2,c-=2}else if(17===m){for(x=v+3;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}c-=v,B=0,d=3+(7&(u>>>=v)),u>>>=3,c-=3}else{for(x=v+7;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}c-=v,B=0,d=11+(127&(u>>>=v)),u>>>=7,c-=7}if(i.have+d>i.nlen+i.ndist){e.msg="invalid bit length 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e;a--,u+=r[n++]<<c,c+=8}if(g&&0==(240&g)){for(_=v,y=g,b=m;g=(C=i.lencode[b+((u&(1<<_+y)-1)>>_)])>>>16&255,m=65535&C,!(_+(v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}u>>>=_,c-=_,i.back+=_}if(u>>>=v,c-=v,i.back+=v,i.length=m,0===g){i.mode=16205;break}if(32&g){i.back=-1,i.mode=Lt;break}if(64&g){e.msg="invalid literal/length code",i.mode=Ht;break}i.extra=15&g,i.mode=16201;case 16201:if(i.extra){for(x=i.extra;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.length+=u&(1<<i.extra)-1,u>>>=i.extra,c-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=16202;case 16202:for(;g=(C=i.distcode[u&(1<<i.distbits)-1])>>>16&255,m=65535&C,!((v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}if(0==(240&g)){for(_=v,y=g,b=m;g=(C=i.distcode[b+((u&(1<<_+y)-1)>>_)])>>>16&255,m=65535&C,!(_+(v=C>>>24)<=c);){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}u>>>=_,c-=_,i.back+=_}if(u>>>=v,c-=v,i.back+=v,64&g){e.msg="invalid distance code",i.mode=Ht;break}i.offset=m,i.extra=15&g,i.mode=16203;case 16203:if(i.extra){for(x=i.extra;c<x;){if(0===a)break e;a--,u+=r[n++]<<c,c+=8}i.offset+=u&(1<<i.extra)-1,u>>>=i.extra,c-=i.extra,i.back+=i.extra}if(i.offset>i.dmax){e.msg="invalid distance too far back",i.mode=Ht;break}i.mode=16204;case 16204:if(0===l)break e;if(d=h-l,i.offset>d){if((d=i.offset-d)>i.whave&&i.sane){e.msg="invalid distance too far back",i.mode=Ht;break}d>i.wnext?(d-=i.wnext,p=i.wsize-d):p=i.wnext-d,d>i.length&&(d=i.length),f=i.window}else f=s,p=o-i.offset,d=i.length;d>l&&(d=l),l-=d,i.length-=d;do{s[o++]=f[p++]}while(--d);0===i.length&&(i.mode=Qt);break;case 16205:if(0===l)break e;s[o++]=i.length,l--,i.mode=Qt;break;case Vt:if(i.wrap){for(;c<32;){if(0===a)break e;a--,u|=r[n++]<<c,c+=8}if(h-=l,e.total_out+=h,i.total+=h,4&i.wrap&&h&&(e.adler=i.check=i.flags?V(i.check,s,h,o-h):N(i.check,s,h,o-h)),h=l,4&i.wrap&&(i.flags?u:jt(u))!==i.check){e.msg="incorrect data check",i.mode=Ht;break}u=0,c=0}i.mode=16207;case 16207:if(i.wrap&&i.flags){for(;c<32;){if(0===a)break 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o=i.positions,a=i.normals,l=i.indices,u=i.edgeIndices,c=i.meshPositions,A=i.meshIndices,h=i.meshEdgesIndices,d=i.meshColors,p=JSON.parse(i.entityIDs),f=i.entityMeshes,v=i.entityIsObjects,g=c.length,m=f.length,_=0;_<m;_++){var y=p[_],b=t.globalizeObjectIds?re.globalizeObjectId(r.id,y):y,B=e.metaScene.metaObjects[b],w={},P={};if(B){if(t.excludeTypesMap&&B.type&&t.excludeTypesMap[B.type])continue;if(t.includeTypesMap&&B.type&&!t.includeTypesMap[B.type])continue;var x=t.objectDefaults?t.objectDefaults[B.type]||t.objectDefaults.DEFAULT:null;x&&(!1===x.visible&&(w.visible=!1),!1===x.pickable&&(w.pickable=!1),x.colorize&&(P.color=x.colorize),void 0!==x.opacity&&null!==x.opacity&&(P.opacity=x.opacity))}else if(t.excludeUnclassifiedObjects)continue;for(var C=_===m-1,M=[],E=f[_],F=C?f.length:f[_+1];E<F;E++){var 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G=cr.createPositionsDecodeMatrix(L),z={},K=Q;K<=V;K++){var W=P[K],X=t.globalizeObjectIds?re.globalizeObjectId(r.id,W):W,J=K===k-1,Y=x[K],Z=J?b.length-1:x[K+1]-1,q=[],$=e.metaScene.metaObjects[X],ee={},te={};if($){if(t.excludeTypesMap&&$.type&&t.excludeTypesMap[$.type])continue;if(t.includeTypesMap&&$.type&&!t.includeTypesMap[$.type])continue;var ie=t.objectDefaults?t.objectDefaults[$.type]||t.objectDefaults.DEFAULT:null;ie&&(!1===ie.visible&&(ee.visible=!1),!1===ie.pickable&&(ee.pickable=!1),ie.colorize&&(te.color=ie.colorize),void 0!==ie.opacity&&null!==ie.opacity&&(te.opacity=ie.opacity),void 0!==ie.metallic&&null!==ie.metallic&&(te.metallic=ie.metallic),void 0!==ie.roughness&&null!==ie.roughness&&(te.roughness=ie.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var se=Y;se<=Z;se++){var ne=b[se],oe=D[ne]>1,ae=ne===E-1,le=Hk(w.subarray(6*se,6*se+3)),ue=w[6*se+3]/255,ce=w[6*se+4]/255,Ae=w[6*se+5]/255,de=n.getNextId();if(oe){var pe=B[se],fe=d.slice(pe,pe+16),ve="".concat(o,"-geometry.").concat(O,".").concat(ne),ge=U[ve];if(!ge){ge={batchThisMesh:!t.reuseGeometries};var me=!1;switch(f[ne]){case 0:ge.primitiveName="solid",ge.geometryPositions=l.subarray(v[ne],ae?l.length:v[ne+1]),ge.geometryNormals=u.subarray(g[ne],ae?u.length:g[ne+1]),ge.geometryIndices=A.subarray(_[ne],ae?A.length:_[ne+1]),ge.geometryEdgeIndices=h.subarray(y[ne],ae?h.length:y[ne+1]),me=ge.geometryPositions.length>0&&ge.geometryIndices.length>0;break;case 1:ge.primitiveName="surface",ge.geometryPositions=l.subarray(v[ne],ae?l.length:v[ne+1]),ge.geometryNormals=u.subarray(g[ne],ae?u.length:g[ne+1]),ge.geometryIndices=A.subarray(_[ne],ae?A.length:_[ne+1]),ge.geometryEdgeIndices=h.subarray(y[ne],ae?h.length:y[ne+1]),me=ge.geometryPositions.length>0&&ge.geometryIndices.length>0;break;case 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fe=new Uint32Array(U),ve=0;ve<O;ve++){var ge=M[ve];void 0!==fe[ge]?fe[ge]++:fe[ge]=1}for(var me=re.vec3(),_e=re.AABB3(),ye={},be=0;be<Q;be++){var Be=be===Q-1,we=T[be],Pe=Be?N-1:T[be+1]-1,xe=6*be,Ce=S.subarray(xe,xe+6);re.getAABB3Center(Ce,me),_e[0]=Ce[0]-me[0],_e[1]=Ce[1]-me[1],_e[2]=Ce[2]-me[2],_e[3]=Ce[3]-me[0],_e[4]=Ce[4]-me[1],_e[5]=Ce[5]-me[2];for(var Me=cr.createPositionsDecodeMatrix(_e),Ee={},Fe=we;Fe<=Pe;Fe++){var ke=I[Fe],Ie=t.globalizeObjectIds?re.globalizeObjectId(r.id,ke):ke,De=Fe===N-1,Se=D[Fe],Te=De?M.length-1:D[Fe+1]-1,Re=[],Le=e.metaScene.metaObjects[Ie],Ue={},Oe={};if(Le){if(t.excludeTypesMap&&Le.type&&t.excludeTypesMap[Le.type])continue;if(t.includeTypesMap&&Le.type&&!t.includeTypesMap[Le.type])continue;var Ne=t.objectDefaults?t.objectDefaults[Le.type]||t.objectDefaults.DEFAULT:null;Ne&&(!1===Ne.visible&&(Ue.visible=!1),!1===Ne.pickable&&(Ue.pickable=!1),Ne.colorize&&(Oe.color=Ne.colorize),void 0!==Ne.opacity&&null!==Ne.opacity&&(Oe.opacity=Ne.opacity),void 0!==Ne.metallic&&null!==Ne.metallic&&(Oe.metallic=Ne.metallic),void 0!==Ne.roughness&&null!==Ne.roughness&&(Oe.roughness=Ne.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var Qe=Se;Qe<=Te;Qe++){var Ve=M[Qe],He=fe[Ve]>1,je=Ve===U-1,Ge=F[Qe],ze=Ge>=0?"".concat(o,"-textureSet-").concat(Ge):null,Ke=Wk(k.subarray(6*Qe,6*Qe+3)),We=k[6*Qe+3]/255,Xe=k[6*Qe+4]/255,Je=k[6*Qe+5]/255,Ye=n.getNextId();if(He){var Ze=E[Qe],qe=m.slice(Ze,Ze+16),$e="".concat(o,"-geometry.").concat(be,".").concat(Ve),et=ye[$e];if(!et){et={batchThisMesh:!t.reuseGeometries};var tt=!1;switch(y[Ve]){case 0:et.primitiveName="solid",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(B[Ve],je?h.length:B[Ve+1]),et.geometryUVs=p.subarray(P[Ve],je?p.length:P[Ve+1]),et.geometryIndices=f.subarray(x[Ve],je?f.length:x[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 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4:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=Xk(et.geometryPositions,f.subarray(x[Ve],je?f.length:x[Ve+1])),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;default:continue}if(tt||(et=null),et&&(et.geometryPositions.length,et.batchThisMesh)){et.decompressedPositions=new Float32Array(et.geometryPositions.length),et.transformedAndRecompressedPositions=new Uint16Array(et.geometryPositions.length);for(var it=et.geometryPositions,rt=et.decompressedPositions,st=0,nt=it.length;st<nt;st+=3)rt[st+0]=it[st+0]*_[0]+_[12],rt[st+1]=it[st+1]*_[5]+_[13],rt[st+2]=it[st+2]*_[10]+_[14];et.geometryPositions=null,ye[$e]=et}}if(et)if(et.batchThisMesh){for(var ot=et.decompressedPositions,at=et.transformedAndRecompressedPositions,lt=0,ut=ot.length;lt<ut;lt+=3)zk[0]=ot[lt+0],zk[1]=ot[lt+1],zk[2]=ot[lt+2],zk[3]=1,re.transformVec4(qe,zk,Kk),cr.compressPosition(Kk,_e,zk),at[lt+0]=zk[0],at[lt+1]=zk[1],at[lt+2]=zk[2];r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:et.primitiveName,positionsCompressed:at,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:Me,color:Ke,metallic:Xe,roughness:Je,opacity:We})),Re.push(Ye)}else Ee[$e]||(r.createGeometry({id:$e,primitive:et.primitiveName,positionsCompressed:et.geometryPositions,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:_}),Ee[$e]=!0),r.createMesh(he.apply(Oe,{id:Ye,geometryId:$e,textureSetId:ze,matrix:qe,color:Ke,metallic:Xe,roughness:Je,opacity:We,origin:me})),Re.push(Ye)}else{var ct=void 0,At=void 0,ht=void 0,dt=void 0,pt=void 0,ft=void 0,vt=void 0,gt=!1;switch(y[Ve]){case 0:ct="solid",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(B[Ve],je?h.length:B[Ve+1]),dt=p.subarray(P[Ve],je?p.length:P[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 1:ct="surface",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(B[Ve],je?h.length:B[Ve+1]),dt=p.subarray(P[Ve],je?p.length:P[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 2:ct="points",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),pt=d.subarray(w[Ve],je?d.length:w[Ve+1]),gt=At.length>0;break;case 3:ct="lines",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),gt=At.length>0&&ft.length>0;break;case 4:ct="lines",ft=Xk(At=A.subarray(b[Ve],je?A.length:b[Ve+1]),f.subarray(x[Ve],je?f.length:x[Ve+1])),gt=At.length>0&&ft.length>0;break;default:continue}gt&&(r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:ct,positionsCompressed:At,normalsCompressed:ht,uv:dt&&dt.length>0?dt:null,colorsCompressed:pt,indices:ft,edgeIndices:vt,positionsDecodeMatrix:Me,color:Ke,metallic:Xe,roughness:Je,opacity:We})),Re.push(Ye))}}Re.length>0&&r.createEntity(he.apply(Ue,{id:Ie,isObject:!0,meshIds:Re}))}}}(e,t,a,r,s,n)}},Yk=re.vec4(),Zk=re.vec4();var qk=function(){var e=new Float32Array(3);return function(t){return e[0]=t[0]/255,e[1]=t[1]/255,e[2]=t[2]/255,e}}();function $k(e,t){var i=[];if(t.length>1)for(var r=0,s=t.length-1;r<s;r++)i.push(t[r]),i.push(t[r+1]);else if(e.length>1)for(var n=0,o=e.length/3-1;n<o;n++)i.push(n),i.push(n+1);return i}!function(){var e=document.createElement("canvas"),t=e.getContext("2d")}();var eI={version:11,parseArrayBuffer:function(e,t,i,r,s,n){var o=function(e){var t,i,r=(t=new ArrayBuffer(2),new Uint16Array(t)[0]=1,1!==new Uint8Array(t)[0]),s=function(){var t=0,i=new DataView(e);return function(s){var n=1+2*t++,o=i.getUint32(4*n,!0),a=i.getUint32(4*(n+1),!0),l=s.BYTES_PER_ELEMENT;if(r&&l>1)for(var u=new Uint8Array(e,o,a),c=l/2,A=u.length/l,h=0;h<A;h++)for(var d=h*l,p=0;p<c;p++){var f=d+p,v=d-p+l-1,g=u[f];u[f]=u[v],u[v]=g}return new s(e,o,a/l)}}(),n=(i=new TextDecoder,function(){return JSON.parse(i.decode(s(Uint8Array)))});return{metadata:n(),textureData:s(Uint8Array),eachTextureDataPortion:s(Uint32Array),eachTextureAttributes:s(Uint16Array),positions:s(Uint16Array),normals:s(Int8Array),colors:s(Uint8Array),uvs:s(Float32Array),indices:s(Uint32Array),edgeIndices:s(Uint32Array),eachTextureSetTextures:s(Int32Array),matrices:s(Float32Array),reusedGeometriesDecodeMatrix:s(Float32Array),eachGeometryPrimitiveType:s(Uint8Array),eachGeometryPositionsPortion:s(Uint32Array),eachGeometryNormalsPortion:s(Uint32Array),eachGeometryColorsPortion:s(Uint32Array),eachGeometryUVsPortion:s(Uint32Array),eachGeometryIndicesPortion:s(Uint32Array),eachGeometryEdgeIndicesPortion:s(Uint32Array),eachMeshGeometriesPortion:s(Uint32Array),eachMeshMatricesPortion:s(Uint32Array),eachMeshTextureSet:s(Int32Array),eachMeshMaterialAttributes:s(Uint8Array),eachEntityId:n(),eachEntityMeshesPortion:s(Uint32Array),eachTileAABB:s(Float64Array),eachTileEntitiesPortion:s(Uint32Array)}}(i);!function(e,t,i,r,s,n){var o=n.getNextId(),a=i.metadata,l=i.textureData,u=i.eachTextureDataPortion,c=i.eachTextureAttributes,A=i.positions,h=i.normals,d=i.colors,p=i.uvs,f=i.indices,v=i.edgeIndices,g=i.eachTextureSetTextures,m=i.matrices,_=i.reusedGeometriesDecodeMatrix,y=i.eachGeometryPrimitiveType,b=i.eachGeometryPositionsPortion,B=i.eachGeometryNormalsPortion,w=i.eachGeometryColorsPortion,P=i.eachGeometryUVsPortion,x=i.eachGeometryIndicesPortion,C=i.eachGeometryEdgeIndicesPortion,M=i.eachMeshGeometriesPortion,E=i.eachMeshMatricesPortion,F=i.eachMeshTextureSet,k=i.eachMeshMaterialAttributes,I=i.eachEntityId,D=i.eachEntityMeshesPortion,S=i.eachTileAABB,T=i.eachTileEntitiesPortion,R=u.length,L=g.length/5,U=b.length,O=M.length,N=D.length,Q=T.length;s&&s.loadData(a,{includeTypes:t.includeTypes,excludeTypes:t.excludeTypes,globalizeObjectIds:t.globalizeObjectIds});for(var V=0;V<R;V++){var H=V===R-1,j=u[V],G=H?l.length:u[V+1],z=G-j>0,K=9*V,W=1===c[K+0],X=c[K+1];c[K+2],c[K+3];var J=c[K+4],Y=c[K+5],Z=c[K+6],q=c[K+7],$=c[K+8];if(z){var ee=new Uint8Array(l.subarray(j,G)).buffer,te="".concat(o,"-texture-").concat(V);if(W)r.createTexture({id:te,buffers:[ee],minFilter:J,magFilter:Y,wrapS:Z,wrapT:q,wrapR:$});else{var ie=new Blob([ee],{type:10001===X?"image/jpeg":10002===X?"image/png":"image/gif"}),se=(window.URL||window.webkitURL).createObjectURL(ie),ne=document.createElement("img");ne.src=se,r.createTexture({id:te,image:ne,minFilter:J,magFilter:Y,wrapS:Z,wrapT:q,wrapR:$})}}}for(var oe=0;oe<L;oe++){var ae=5*oe,le="".concat(o,"-textureSet-").concat(oe),ue=g[ae+0],ce=g[ae+1],Ae=g[ae+2],de=g[ae+3],pe=g[ae+4];r.createTextureSet({id:le,colorTextureId:ue>=0?"".concat(o,"-texture-").concat(ue):null,normalsTextureId:Ae>=0?"".concat(o,"-texture-").concat(Ae):null,metallicRoughnessTextureId:ce>=0?"".concat(o,"-texture-").concat(ce):null,emissiveTextureId:de>=0?"".concat(o,"-texture-").concat(de):null,occlusionTextureId:pe>=0?"".concat(o,"-texture-").concat(pe):null})}for(var fe=new Uint32Array(U),ve=0;ve<O;ve++){var ge=M[ve];void 0!==fe[ge]?fe[ge]++:fe[ge]=1}for(var me=re.vec3(),_e=re.AABB3(),ye={},be=0;be<Q;be++){var Be=be===Q-1,we=T[be],Pe=Be?N-1:T[be+1]-1,xe=6*be,Ce=S.subarray(xe,xe+6);re.getAABB3Center(Ce,me),_e[0]=Ce[0]-me[0],_e[1]=Ce[1]-me[1],_e[2]=Ce[2]-me[2],_e[3]=Ce[3]-me[0],_e[4]=Ce[4]-me[1],_e[5]=Ce[5]-me[2];for(var Me=cr.createPositionsDecodeMatrix(_e),Ee={},Fe=we;Fe<=Pe;Fe++){var ke=I[Fe],Ie=t.globalizeObjectIds?re.globalizeObjectId(r.id,ke):ke,De=Fe===N-1,Se=D[Fe],Te=De?M.length-1:D[Fe+1]-1,Re=[],Le=e.metaScene.metaObjects[Ie],Ue={},Oe={};if(Le){if(t.excludeTypesMap&&Le.type&&t.excludeTypesMap[Le.type])continue;if(t.includeTypesMap&&Le.type&&!t.includeTypesMap[Le.type])continue;var Ne=t.objectDefaults?t.objectDefaults[Le.type]||t.objectDefaults.DEFAULT:null;Ne&&(!1===Ne.visible&&(Ue.visible=!1),!1===Ne.pickable&&(Ue.pickable=!1),Ne.colorize&&(Oe.color=Ne.colorize),void 0!==Ne.opacity&&null!==Ne.opacity&&(Oe.opacity=Ne.opacity),void 0!==Ne.metallic&&null!==Ne.metallic&&(Oe.metallic=Ne.metallic),void 0!==Ne.roughness&&null!==Ne.roughness&&(Oe.roughness=Ne.roughness))}else if(t.excludeUnclassifiedObjects)continue;for(var Qe=Se;Qe<=Te;Qe++){var Ve=M[Qe],He=fe[Ve]>1,je=Ve===U-1,Ge=F[Qe],ze=Ge>=0?"".concat(o,"-textureSet-").concat(Ge):null,Ke=qk(k.subarray(6*Qe,6*Qe+3)),We=k[6*Qe+3]/255,Xe=k[6*Qe+4]/255,Je=k[6*Qe+5]/255,Ye=n.getNextId();if(He){var Ze=E[Qe],qe=m.slice(Ze,Ze+16),$e="".concat(o,"-geometry.").concat(be,".").concat(Ve),et=ye[$e];if(!et){et={batchThisMesh:!t.reuseGeometries};var tt=!1;switch(y[Ve]){case 0:et.primitiveName="solid",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(B[Ve],je?h.length:B[Ve+1]),et.geometryUVs=p.subarray(P[Ve],je?p.length:P[Ve+1]),et.geometryIndices=f.subarray(x[Ve],je?f.length:x[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 1:et.primitiveName="surface",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryNormals=h.subarray(B[Ve],je?h.length:B[Ve+1]),et.geometryUVs=p.subarray(P[Ve],je?p.length:P[Ve+1]),et.geometryIndices=f.subarray(x[Ve],je?f.length:x[Ve+1]),et.geometryEdgeIndices=v.subarray(C[Ve],je?v.length:C[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 2:et.primitiveName="points",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryColors=d.subarray(w[Ve],je?d.length:w[Ve+1]),tt=et.geometryPositions.length>0;break;case 3:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=f.subarray(x[Ve],je?f.length:x[Ve+1]),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;case 4:et.primitiveName="lines",et.geometryPositions=A.subarray(b[Ve],je?A.length:b[Ve+1]),et.geometryIndices=$k(et.geometryPositions,f.subarray(x[Ve],je?f.length:x[Ve+1])),tt=et.geometryPositions.length>0&&et.geometryIndices.length>0;break;default:continue}if(tt||(et=null),et&&(et.geometryPositions.length,et.batchThisMesh)){et.decompressedPositions=new Float32Array(et.geometryPositions.length),et.transformedAndRecompressedPositions=new Uint16Array(et.geometryPositions.length);for(var it=et.geometryPositions,rt=et.decompressedPositions,st=0,nt=it.length;st<nt;st+=3)rt[st+0]=it[st+0]*_[0]+_[12],rt[st+1]=it[st+1]*_[5]+_[13],rt[st+2]=it[st+2]*_[10]+_[14];et.geometryPositions=null,ye[$e]=et}}if(et)if(et.batchThisMesh){for(var ot=et.decompressedPositions,at=et.transformedAndRecompressedPositions,lt=0,ut=ot.length;lt<ut;lt+=3)Yk[0]=ot[lt+0],Yk[1]=ot[lt+1],Yk[2]=ot[lt+2],Yk[3]=1,re.transformVec4(qe,Yk,Zk),cr.compressPosition(Zk,_e,Yk),at[lt+0]=Yk[0],at[lt+1]=Yk[1],at[lt+2]=Yk[2];r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:et.primitiveName,positionsCompressed:at,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:Me,color:Ke,metallic:Xe,roughness:Je,opacity:We})),Re.push(Ye)}else Ee[$e]||(r.createGeometry({id:$e,primitive:et.primitiveName,positionsCompressed:et.geometryPositions,normalsCompressed:et.geometryNormals,uv:et.geometryUVs,colorsCompressed:et.geometryColors,indices:et.geometryIndices,edgeIndices:et.geometryEdgeIndices,positionsDecodeMatrix:_}),Ee[$e]=!0),r.createMesh(he.apply(Oe,{id:Ye,geometryId:$e,textureSetId:ze,matrix:qe,color:Ke,metallic:Xe,roughness:Je,opacity:We,origin:me})),Re.push(Ye)}else{var ct=void 0,At=void 0,ht=void 0,dt=void 0,pt=void 0,ft=void 0,vt=void 0,gt=!1;switch(y[Ve]){case 0:ct="solid",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(B[Ve],je?h.length:B[Ve+1]),dt=p.subarray(P[Ve],je?p.length:P[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 1:ct="surface",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ht=h.subarray(B[Ve],je?h.length:B[Ve+1]),dt=p.subarray(P[Ve],je?p.length:P[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),vt=v.subarray(C[Ve],je?v.length:C[Ve+1]),gt=At.length>0&&ft.length>0;break;case 2:ct="points",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),pt=d.subarray(w[Ve],je?d.length:w[Ve+1]),gt=At.length>0;break;case 3:ct="lines",At=A.subarray(b[Ve],je?A.length:b[Ve+1]),ft=f.subarray(x[Ve],je?f.length:x[Ve+1]),gt=At.length>0&&ft.length>0;break;case 4:ct="lines",ft=$k(At=A.subarray(b[Ve],je?A.length:b[Ve+1]),f.subarray(x[Ve],je?f.length:x[Ve+1])),gt=At.length>0&&ft.length>0;break;default:continue}gt&&(r.createMesh(he.apply(Oe,{id:Ye,textureSetId:ze,origin:me,primitive:ct,positionsCompressed:At,normalsCompressed:ht,uv:dt&&dt.length>0?dt:null,colorsCompressed:pt,indices:ft,edgeIndices:vt,positionsDecodeMatrix:Me,color:Ke,metallic:Xe,roughness:Je,opacity:We})),Re.push(Ye))}}Re.length>0&&r.createEntity(he.apply(Ue,{id:Ie,isObject:!0,meshIds:Re}))}}}(e,t,o,r,s,n)}},tI={};tI[hk.version]=hk,tI[fk.version]=fk,tI[mk.version]=mk,tI[bk.version]=bk,tI[Pk.version]=Pk,tI[Ek.version]=Ek,tI[Dk.version]=Dk,tI[Ok.version]=Ok,tI[jk.version]=jk,tI[Jk.version]=Jk,tI[eI.version]=eI;var iI=function(e){p(r,Ue);var t,i=v(r);function r(e){var t,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,r),(t=i.call(this,"XKTLoader",e,s))._maxGeometryBatchSize=s.maxGeometryBatchSize,t.textureTranscoder=s.textureTranscoder,t.dataSource=s.dataSource,t.objectDefaults=s.objectDefaults,t.includeTypes=s.includeTypes,t.excludeTypes=s.excludeTypes,t.excludeUnclassifiedObjects=s.excludeUnclassifiedObjects,t.reuseGeometries=s.reuseGeometries,t}return C(r,[{key:"supportedVersions",get:function(){return Object.keys(tI)}},{key:"textureTranscoder",get:function(){return this._textureTranscoder},set:function(e){this._textureTranscoder=e}},{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new ak}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||sF}},{key:"includeTypes",get:function(){return this._includeTypes},set:function(e){this._includeTypes=e}},{key:"excludeTypes",get:function(){return this._excludeTypes},set:function(e){this._excludeTypes=e}},{key:"excludeUnclassifiedObjects",get:function(){return this._excludeUnclassifiedObjects},set:function(e){this._excludeUnclassifiedObjects=!!e}},{key:"globalizeObjectIds",get:function(){return this._globalizeObjectIds},set:function(e){this._globalizeObjectIds=!!e}},{key:"reuseGeometries",get:function(){return this._reuseGeometries},set:function(e){this._reuseGeometries=!1!==e}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id),!(t.src||t.xkt||t.manifestSrc||t.manifest))throw new Error("XKTLoaderPlugin: load() param expected: src, xkt, manifestSrc or manifestData");var i={},r=t.includeTypes||this._includeTypes,s=t.excludeTypes||this._excludeTypes,n=t.objectDefaults||this._objectDefaults;if(i.reuseGeometries=null!==t.reuseGeometries&&void 0!==t.reuseGeometries?t.reuseGeometries:!1!==this._reuseGeometries,r){i.includeTypesMap={};for(var o=0,a=r.length;o<a;o++)i.includeTypesMap[r[o]]=!0}if(s){i.excludeTypesMap={};for(var l=0,u=s.length;l<u;l++)i.excludeTypesMap[s[l]]=!0}n&&(i.objectDefaults=n),i.excludeUnclassifiedObjects=void 0!==t.excludeUnclassifiedObjects?!!t.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==t.globalizeObjectIds&&null!==t.globalizeObjectIds?!!t.globalizeObjectIds:this._globalizeObjectIds;var c=new od(this.viewer.scene,he.apply(t,{isModel:!0,textureTranscoder:this._textureTranscoder,maxGeometryBatchSize:this._maxGeometryBatchSize,origin:t.origin,disableVertexWelding:t.disableVertexWelding||!1,disableIndexRebucketing:t.disableIndexRebucketing||!1,dtxEnabled:t.dtxEnabled,renderOrder:t.renderOrder})),A=c.id,h=new rf({metaScene:this.viewer.metaScene,id:A});this.viewer.scene.canvas.spinner.processes++;var d=function(){c.destroyed||(c.finalize(),h.finalize(),e.viewer.scene.canvas.spinner.processes--,c.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(h.id)})),e.scheduleTask((function(){c.destroyed||(c.scene.fire("modelLoaded",c.id),c.fire("loaded",!0,!1))})))},p=function(t){e.viewer.scene.canvas.spinner.processes--,e.error(t),c.fire("error",t)},f=0,v={getNextId:function(){return"".concat(A,".").concat(f++)}};if(t.metaModelSrc||t.metaModelData)if(t.metaModelSrc){var g=t.metaModelSrc;this._dataSource.getMetaModel(g,(function(n){c.destroyed||(h.loadData(n,{includeTypes:r,excludeTypes:s,globalizeObjectIds:i.globalizeObjectIds}),t.src?e._loadModel(t.src,i,c,null,v,d,p):(e._parseModel(t.xkt,i,c,null,v),d()))}),(function(e){p("load(): Failed to load model metadata for model '".concat(A," from  '").concat(g,"' - ").concat(e))}))}else t.metaModelData&&(h.loadData(t.metaModelData,{includeTypes:r,excludeTypes:s,globalizeObjectIds:i.globalizeObjectIds}),t.src?this._loadModel(t.src,i,c,null,v,d,p):(this._parseModel(t.xkt,i,c,null,v),d()));else if(t.src)this._loadModel(t.src,i,c,h,v,d,p);else if(t.xkt)this._parseModel(t.xkt,i,c,h,v),d();else if(t.manifestSrc||t.manifest){var m=t.manifestSrc?rI(t.manifestSrc):"",_=function(t,n,o){var a=0;!function l(){c.destroyed||a>=t.length?n():e._dataSource.getMetaModel("".concat(m).concat(t[a]),(function(t){h.loadData(t,{includeTypes:r,excludeTypes:s,globalizeObjectIds:i.globalizeObjectIds}),a++,e.scheduleTask(l,200)}),o)}()},y=function(t,r,s){var n=0;!function o(){c.destroyed||n>=t.length?r():e._dataSource.getXKT("".concat(m).concat(t[n]),(function(t){e._parseModel(t,i,c,null,v),c.preFinalize(),n++,e.scheduleTask(o,200)}),s)}()},b=function(t,r,s){var n=0;!function o(){c.destroyed||n>=t.length?r():e._dataSource.getXKT("".concat(m).concat(t[n]),(function(t){e._parseModel(t,i,c,h,v),c.preFinalize(),n++,e.scheduleTask(o,200)}),s)}()};if(t.manifest){var B=t.manifest,w=B.xktFiles;if(!w||0===w.length)return void p("load(): Failed to load model manifest - manifest not valid");var P=B.metaModelFiles;P?_(P,(function(){y(w,d,p)}),p):b(w,d,p)}else this._dataSource.getManifest(t.manifestSrc,(function(e){if(!c.destroyed){var t=e.xktFiles;if(t&&0!==t.length){var 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o=t.scene.canvas.spinner;o.processes++,lI(e,t,i,r,(function(){o.processes--,s&&s(),t.fire("loaded",!0,!1)}),(function(e){o.processes--,t.error(e),n&&n(e),t.fire("error",e)}),(function(e){console.log("Error, Will Robinson: "+e)}))}}]),e}(),lI=function(e,t,i,r,s,n){!function(e,t,i){var r=new vI;r.load(e,(function(){t(r)}),(function(e){i("Error loading ZIP archive: "+e)}))}(i,(function(i){uI(e,i,r,t,s,n)}),n)},uI=function(){return function(t,i,r,s,n){var o={plugin:t,zip:i,edgeThreshold:30,materialType:r.materialType,scene:s.scene,modelNode:s,info:{references:{}},materials:{}};r.createMetaModel&&(o.metaModelData={modelId:s.id,metaObjects:[{name:s.id,type:"Default",id:s.id}]}),s.scene.loading++,function(t,i){t.zip.getFile("Manifest.xml",(function(r,s){for(var n=s.children,o=0,a=n.length;o<a;o++){var l=n[o];if("Manifest"===l.type)e(t,l,i)}}))}(o,(function(){o.metaModelData&&t.viewer.metaScene.createMetaModel(s.id,o.metaModelData),s.scene.loading--,n()}))};function e(e,i,r){for(var s=i.children,n=0,o=s.length;n<o;n++){var a=s[n];if("Root"===a.type){var l=a.children[0];e.zip.getFile(l,(function(i,s){t(e,s,r)}))}}}function t(e,t,r){for(var s=t.children,n=0,o=s.length;n<o;n++){var a=s[n];if("Model_3dxml"===a.type)i(e,a,r)}}function i(e,t,i){for(var s=t.children,a=0,l=s.length;a<l;a++){var u=s[a];switch(u.type){case"Header":r(e,u);break;case"ProductStructure":n(e,u,i);break;case"DefaultView":o(e,u)}}}function r(e,t){for(var i=t.children,r={},n=0,o=i.length;n<o;n++){var a=i[n];switch(a.type){case"SchemaVersion":r.schemaVersion=a.children[0],s(e,r.schemaVersion)||e.plugin.error("Schema version not supported: "+r.schemaVersion+" - supported versions are: "+oI.join(","));break;case"Title":r.title=a.children[0];break;case"Author":r.author=a.children[0];break;case"Created":r.created=a.children[0]}}e.modelNode.meta=r}function s(e,t){for(var i=0,r=oI.length;i<r;i++)if(t===oI[i])return!0;return!1}function n(e,t,i){!function(e,t,i){for(var 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expected: src or IFC"),t;var i={autoNormals:!0};if(!1!==e.loadMetadata){var r=e.includeTypes||this._includeTypes,s=e.excludeTypes||this._excludeTypes,n=e.objectDefaults||this._objectDefaults;if(r){i.includeTypesMap={};for(var o=0,a=r.length;o<a;o++)i.includeTypesMap[r[o]]=!0}if(s){i.excludeTypesMap={};for(var l=0,u=s.length;l<u;l++)i.excludeTypesMap[s[l]]=!0}n&&(i.objectDefaults=n),i.excludeUnclassifiedObjects=void 0!==e.excludeUnclassifiedObjects?!!e.excludeUnclassifiedObjects:this._excludeUnclassifiedObjects,i.globalizeObjectIds=void 0!==e.globalizeObjectIds?!!e.globalizeObjectIds:this._globalizeObjectIds}try{e.src?this._loadModel(e.src,e,i,t):this._parseModel(e.ifc,e,i,t)}catch(e){this.error(e),t.fire("error",e)}return t}},{key:"_loadModel",value:function(e,t,i,r){var s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getIFC(t.src,(function(e){s._parseModel(e,t,i,r),n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){if(!r.destroyed){var s=t.stats||{};if(s.sourceFormat="IFC",s.schemaVersion="",s.title="",s.author="",s.created="",s.numMetaObjects=0,s.numPropertySets=0,s.numObjects=0,s.numGeometries=0,s.numTriangles=0,s.numVertices=0,!this._ifcAPI)throw"WebIFCLoaderPlugin has no WebIFC instance configured - please inject via WebIFCLoaderPlugin constructor";var n=new Uint8Array(e),o=this._ifcAPI.OpenModel(n),a=this._ifcAPI.GetModelSchema(o),l=this._ifcAPI.GetLineIDsWithType(o,this._webIFC.IFCPROJECT).get(0),u=!1!==t.loadMetadata,c={modelID:o,modelSchema:a,sceneModel:r,loadMetadata:u,metadata:u?{id:"",projectId:""+l,author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[],propertySets:[]}:null,metaObjects:{},options:i,log:function(e){},nextId:0,stats:s};if(u){if(i.includeTypes){c.includeTypes={};for(var A=0,h=i.includeTypes.length;A<h;A++)c.includeTypes[i.includeTypes[A]]=!0}if(i.excludeTypes){c.excludeTypes={};for(var d=0,p=i.excludeTypes.length;d<p;d++)c.excludeTypes[i.excludeTypes[d]]=!0}this._parseMetaObjects(c),this._parsePropertySets(c)}if(this._parseGeometry(c),r.finalize(),u){var f=r.id;this.viewer.metaScene.createMetaModel(f,c.metadata,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))}))}}},{key:"_parseMetaObjects",value:function(e){var t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCPROJECT).get(0),i=this._ifcAPI.GetLine(e.modelID,t);this._parseSpatialChildren(e,i)}},{key:"_parseSpatialChildren",value:function(e,t,i){var r=this._ifcAPI.GetNameFromTypeCode(t.type);if((!e.includeTypes||e.includeTypes[r])&&(!e.excludeTypes||!e.excludeTypes[r])){this._createMetaObject(e,t,i);var s=t.GlobalId.value;this._parseRelatedItemsOfType(e,t.expressID,"RelatingObject","RelatedObjects",this._webIFC.IFCRELAGGREGATES,s),this._parseRelatedItemsOfType(e,t.expressID,"RelatingStructure","RelatedElements",this._webIFC.IFCRELCONTAINEDINSPATIALSTRUCTURE,s)}}},{key:"_createMetaObject",value:function(e,t,i){var r=t.GlobalId.value,s=this._ifcAPI.GetNameFromTypeCode(t.type),n={id:r,name:t.Name&&""!==t.Name.value?t.Name.value:s,type:s,parent:i};e.metadata.metaObjects.push(n),e.metaObjects[r]=n,e.stats.numMetaObjects++}},{key:"_parseRelatedItemsOfType",value:function(e,t,i,r,s,n){for(var o=this,a=this._ifcAPI.GetLineIDsWithType(e.modelID,s),l=0;l<a.size();l++){var u=a.get(l),c=this._ifcAPI.GetLine(e.modelID,u),A=c[i],h=!1;if(Array.isArray(A))h=A.map((function(e){return e.value})).includes(t);else h=A.value===t;if(h){var d=c[r];if(Array.isArray(d))d.forEach((function(t){var i=o._ifcAPI.GetLine(e.modelID,t.value);o._parseSpatialChildren(e,i,n)}));else{var p=this._ifcAPI.GetLine(e.modelID,d.value);this._parseSpatialChildren(e,p,n)}}}}},{key:"_parsePropertySets",value:function(e){for(var t=this._ifcAPI.GetLineIDsWithType(e.modelID,this._webIFC.IFCRELDEFINESBYPROPERTIES),i=0;i<t.size();i++){var r=t.get(i),s=this._ifcAPI.GetLine(e.modelID,r,!0);if(s){var n=s.RelatingPropertyDefinition;if(!n)continue;var o=n.GlobalId.value,a=n.HasProperties;if(a&&a.length>0){for(var l=n.Name.value,u=[],c=0,A=a.length;c<A;c++){var h=a[c],d=h.Name,p=h.NominalValue;if(d&&p){var f={name:d.value,type:p.type,value:p.value,valueType:p.valueType};h.Description?f.description=h.Description.value:p.description&&(f.description=p.description),u.push(f)}}var v={id:o,type:"Default",name:l,properties:u};e.metadata.propertySets.push(v),e.stats.numPropertySets++;var g=s.RelatedObjects;if(!g||0===g.length)return;for(var m=0,_=g.length;m<_;m++){var y=g[m].GlobalId.value,b=e.metaObjects[y];b&&(b.propertySetIds||(b.propertySetIds=[]),b.propertySetIds.push(o))}}}}}},{key:"_parseGeometry",value:function(e){var t=this;this._ifcAPI.StreamAllMeshes(e.modelID,(function(i){var r=i.expressID,s=i.geometries,n=[],o=t._ifcAPI.GetLine(e.modelID,r).GlobalId.value;if(e.loadMetadata){var a=o,l=e.metaObjects[a];if(e.includeTypes&&(!l||!e.includeTypes[l.type]))return;if(e.excludeTypes&&(!l||e.excludeTypes[l.type]))return}for(var u=re.mat4(),c=re.vec3(),A=0,h=s.size();A<h;A++){for(var d=s.get(A),p=t._ifcAPI.GetGeometry(e.modelID,d.geometryExpressID),f=t._ifcAPI.GetVertexArray(p.GetVertexData(),p.GetVertexDataSize()),v=t._ifcAPI.GetIndexArray(p.GetIndexData(),p.GetIndexDataSize()),g=new Float64Array(f.length/2),m=new Float32Array(f.length/2),_=0,y=0,b=f.length/6;_<b;_++,y+=3)g[y+0]=f[6*_+0],g[y+1]=f[6*_+1],g[y+2]=f[6*_+2];u.set(d.flatTransformation),re.transformPositions3(u,g);var B=We(g,g,c);if(!e.options.autoNormals)for(var w=0,P=0,x=f.length/6;w<x;w++,P+=3)m[P+0]=f[6*w+3],m[P+1]=f[6*w+4],m[P+2]=f[6*w+5];e.stats.numGeometries++,e.stats.numVertices+=g.length/3,e.stats.numTriangles+=v.length/3;var C="mesh"+e.nextId++;e.sceneModel.createMesh({id:C,primitive:"triangles",origin:B?c:null,positions:g,normals:e.options.autoNormals?null:m,indices:v,color:[d.color.x,d.color.y,d.color.z],opacity:d.color.w}),n.push(C)}var M=e.options.globalizeObjectIds?re.globalizeObjectId(e.sceneModel.id,o):o;e.sceneModel.createEntity({id:M,meshIds:n,isObject:!0}),e.stats.numObjects++}))}}]),i}(),bI=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getLAS",value:function(e,t,i){e=this._cacheBusterURL(e);var r=function(){};t=t||r,i=i||r;var s=e.match(/^data:(.*?)(;base64)?,(.*)$/);if(s){var n=!!s[2],o=s[3];o=window.decodeURIComponent(o),n&&(o=window.atob(o));try{for(var a=new ArrayBuffer(o.length),l=new Uint8Array(a),u=0;u<o.length;u++)l[u]=o.charCodeAt(u);t(a)}catch(e){i(e)}}else{var c=new XMLHttpRequest;c.open("GET",e,!0),c.responseType="arraybuffer",c.onreadystatechange=function(){4===c.readyState&&(200===c.status?t(c.response):i("getXKT error : "+c.response))},c.send(null)}}}]),e}(),BI={name:"LAS",id:"las",module:"las",version:"3.2.6",worker:!0,extensions:["las","laz"],mimeTypes:["application/octet-stream"],text:!0,binary:!0,tests:["LAS"],options:{las:{shape:"mesh",fp64:!1,skip:1,colorDepth:8}}},wI=[{item:"FileSignature",format:"char",size:4},{item:"FileSoureceID",format:"uShort",size:2},{item:"GlobalEncoding",format:"uShort",size:2},{item:"ProjectID1",format:"notUsed",size:4},{item:"ProjectID2",format:"notUsed",size:2},{item:"ProjectID3",format:"notUsed",size:2},{item:"ProjectID4",format:"notUsed",size:8},{item:"VersionMajor",format:"uChar",size:1},{item:"VersionMinor",format:"uChar",size:1},{item:"SystemIdentifier",format:"char",size:32},{item:"GeneratingSoftware",format:"char",size:32},{item:"CreationDay",format:"uShort",size:2},{item:"CreationYear",format:"uShort",size:2},{item:"HeaderSize",format:"uShort",size:2},{item:"OffsetToPointData",format:"uLong",size:4},{item:"NumberOfVariableLengthRecords",format:"uLong",size:4},{item:"PointDataFormatID",format:"uChar",size:1},{item:"PointDataRecordLength",format:"uShort",size:2},{item:"NumberOfPoints",format:"uLong",size:4},{item:"NumberOfPointByReturn",format:"uLong",size:20},{item:"ScaleFactorX",format:"double",size:8},{item:"ScaleFactorY",format:"double",size:8},{item:"ScaleFactorZ",format:"double",size:8},{item:"OffsetX",format:"double",size:8},{item:"OffsetY",format:"double",size:8},{item:"OffsetZ",format:"double",size:8},{item:"MaxX",format:"double",size:8},{item:"MinX",format:"double",size:8},{item:"MaxY",format:"double",size:8},{item:"MinY",format:"double",size:8},{item:"MaxZ",format:"double",size:8},{item:"MinZ",format:"double",size:8}],PI=[{item:"Reserved",format:"uShort",size:2},{item:"UserId",format:"char",size:16},{item:"RecordId",format:"uShort",size:2},{item:"RecordLengthAfterHeader",format:"uShort",size:2},{item:"Description",format:"char",size:32}],xI=function(e){var t=0,i=0,r=0,s=new DataView(e),n=new Uint8Array(6e3),o=function(r){var n,o,a=r.item,l=r.format,u=r.size;switch(l){case"char":return o=new Uint8Array(e,t,u),t+=u,[a,n=MI(o)];case"uShort":return n=s.getUint16(t,!0),t+=u,[a,n];case"uLong":return n=s.getUint32(t,!0),"NumberOfVariableLengthRecords"===a&&(i=n),t+=u,[a,n];case"uChar":return n=s.getUint8(t),t+=u,[a,n];case"double":return n=s.getFloat64(t,!0),t+=u,[a,n];default:t+=u}};return function(){var e={};wI.forEach((function(t){var i=o(l({},t));if(void 0!==i){if("FileSignature"===i[0]&&"LASF"!==i[1])throw new Error("Ivalid FileSignature. Is this a LAS/LAZ file");e[i[0]]=i[1]}}));for(var s=[],a=i,u=function(){var e={};PI.forEach((function(i){var s=o(l({},i));e[s[0]]=s[1],"UserId"===s[0]&&"LASF_Projection"===s[1]&&(r=t-18+54)})),s.push(e)};a--;)u();var c=function(e){if(void 0!==e){for(var t=r+e.RecordLengthAfterHeader,i=n.slice(r,t),s=CI(i),o=new DataView(s),a=6,l=Number(o.getUint16(a,!0)),u=[];l--;){var c={};c.key=o.getUint16(a+=2,!0),c.tiffTagLocation=o.getUint16(a+=2,!0),c.count=o.getUint16(a+=2,!0),c.valueOffset=o.getUint16(a+=2,!0),u.push(c)}var A=u.find((function(e){return 3072===e.key}));if(A&&A.hasOwnProperty("valueOffset"))return A.valueOffset}}(s.find((function(e){return"LASF_Projection"===e.UserId})));return c&&(e.epsg=c),e}()},CI=function(e){for(var t=new ArrayBuffer(e.length),i=new Uint8Array(t),r=0;r<e.length;++r)i[r]=e[r];return t},MI=function(e){var t="";return e.forEach((function(e){var i=String.fromCharCode(e);"\0"!==i&&(t+=i)})),t.trim()},EI=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"lasLoader",e,s)).dataSource=s.dataSource,r.skip=s.skip,r.fp64=s.fp64,r.colorDepth=s.colorDepth,r.center=s.center,r.rotate=s.rotate,r.rotateX=s.rotateX,r.transform=s.transform,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new bI}},{key:"skip",get:function(){return this._skip},set:function(e){this._skip=e||1}},{key:"fp64",get:function(){return this._fp64},set:function(e){this._fp64=!!e}},{key:"colorDepth",get:function(){return this._colorDepth},set:function(e){this._colorDepth=e||"auto"}},{key:"center",get:function(){return this._center},set:function(e){this._center=!!e}},{key:"transform",get:function(){return this._transform},set:function(e){this._transform=e}},{key:"rotate",get:function(){return this._rotate},set:function(e){this._rotate=e}},{key:"rotateX",get:function(){return this._rotateX},set:function(e){this._rotateX=e}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new od(this.viewer.scene,he.apply(t,{maxGeometryBatchSize:5e5,isModel:!0}));if(!t.src&&!t.las)return this.error("load() param expected: src or las"),i;var r={las:{skip:this._skip,fp64:this._fp64,colorDepth:this._colorDepth}};if(t.src)this._loadModel(t.src,t,r,i);else{var s=this.viewer.scene.canvas.spinner;s.processes++,this._parseModel(t.las,t,r,i).then((function(){s.processes--}),(function(t){s.processes--,e.error(t),i.fire("error",t)}))}return i}},{key:"_loadModel",value:function(e,t,i,r){var s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getLAS(t.src,(function(e){s._parseModel(e,t,i,r).then((function(){n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){var s=this,n=function(e){var t=e.value;if(s._center){for(var i=re.vec3(),r=t.length,n=0,o=t.length;n<o;n+=3)i[0]+=t[n+0],i[1]+=t[n+1],i[2]+=t[n+2];i[0]/=r,i[1]/=r,i[2]/=r;for(var a=0,l=t.length;a<l;a+=3)t[a+0]-=i[0],t[a+1]-=i[1],t[a+2]-=i[2]}if(s._rotateX&&t)for(var u=0,c=t.length;u<c;u+=3){var A=t[u+1];t[u+1]=t[u+2],t[u+2]=A}if(s._rotate){var h=re.identityQuaternion(),d=re.mat4();re.eulerToQuaternion(s._rotate,"XYZ",h),re.quaternionToRotationMat4(h,d);for(var p=re.vec3(),f=0,v=t.length;f<v;f+=3)p[0]=t[f+0],p[1]=t[f+1],p[2]=t[f+2],re.transformPoint3(d,p,p),t[f+0]=p[0],t[f+1]=p[1],t[f+2]=p[2]}if(s._transform)for(var g=re.mat4(s._transform),m=re.vec3(),_=0,y=t.length;_<y;_+=3)m[0]=t[_+0],m[1]=t[_+1],m[2]=t[_+2],re.transformPoint3(g,m,m),t[_+0]=m[0],t[_+1]=m[1],t[_+2]=m[2];return t};function o(e,t){for(var i=e.value,r=e.size,s=t.value,n=4*s.length,o=new Uint8Array(n),a=0,l=0,u=0,c=s.length;a<c;a++,u+=r,l+=4)o[l+0]=i[u+0],o[l+1]=i[u+1],o[l+2]=i[u+2],o[l+3]=Math.round(s[a]/65536*255);return o}function a(e){for(var t=e.value,i=4*t.length,r=new Uint8Array(i),s=0,n=0,o=t.length;s<o;s++,n+=4)r[n+0]=0,r[n+1]=0,r[n+2]=0,r[n+3]=Math.round(t[s]/65536*255);return r}return new Promise((function(l,u){if(r.destroyed)u();else{var c=t.stats||{};c.sourceFormat="LAS",c.schemaVersion="",c.title="",c.author="",c.created="",c.numMetaObjects=0,c.numPropertySets=0,c.numObjects=0,c.numGeometries=0,c.numTriangles=0,c.numVertices=0;try{var A=xI(e);ox(e,BI,i).then((function(e){var c,h,d=e.attributes,p=e.loaderData,f=void 0!==p.pointsFormatId?p.pointsFormatId:-1;if(!d.POSITION)return r.finalize(),void u("No positions found in file");switch(f){case 0:c=n(d.POSITION),h=a(d.intensity);break;case 1:if(!d.intensity)return r.finalize(),void u("No positions found in file");c=n(d.POSITION),h=a(d.intensity);break;case 2:case 3:if(!d.intensity)return r.finalize(),void u("No positions found in file");c=n(d.POSITION),h=o(d.COLOR_0,d.intensity)}for(var v=FI(c,15e5),g=FI(h,2e6),m=[],_=0,y=v.length;_<y;_++){var b="pointsMesh".concat(_);m.push(b),r.createMesh({id:b,primitive:"points",positions:v[_],colorsCompressed:_<g.length?g[_]:null})}var B=t.entityId||re.createUUID();if(r.createEntity({id:B,meshIds:m,isObject:!0}),r.finalize(),t.metaModelJSON){var w=r.id;s.viewer.metaScene.createMetaModel(w,t.metaModelJSON,i)}else if(!1!==t.loadMetadata){var P=re.createUUID(),x={projectId:"",author:"",createdAt:"",schema:"",creatingApplication:"",metaObjects:[{id:P,name:"Model",type:"Model"},{id:B,name:"PointCloud (LAS)",type:"PointCloud",parent:P,attributes:A||{}}],propertySets:[]},C=r.id;s.viewer.metaScene.createMetaModel(C,x,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))})),l()}))}catch(e){r.finalize(),u(e)}}}))}}]),i}();function FI(e,t){if(t>=e.length)return[e];for(var i=[],r=0;r<e.length;r+=t)i.push(e.slice(r,r+t));return i}var kI=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getCityJSON",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}}]),e}();function II(e,t,i){i=i||2;var r,s,n,o,a,l,u,c=t&&t.length,A=c?t[0]*i:e.length,h=DI(e,0,A,i,!0),d=[];if(!h||h.next===h.prev)return d;if(c&&(h=function(e,t,i,r){var 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KI(e,t,i){return(t.y-e.y)*(i.x-t.x)-(t.x-e.x)*(i.y-t.y)}function WI(e,t){return e.x===t.x&&e.y===t.y}function XI(e,t,i,r){var s=YI(KI(e,t,i)),n=YI(KI(e,t,r)),o=YI(KI(i,r,e)),a=YI(KI(i,r,t));return s!==n&&o!==a||(!(0!==s||!JI(e,i,t))||(!(0!==n||!JI(e,r,t))||(!(0!==o||!JI(i,e,r))||!(0!==a||!JI(i,t,r)))))}function JI(e,t,i){return t.x<=Math.max(e.x,i.x)&&t.x>=Math.min(e.x,i.x)&&t.y<=Math.max(e.y,i.y)&&t.y>=Math.min(e.y,i.y)}function YI(e){return e>0?1:e<0?-1:0}function ZI(e,t){return KI(e.prev,e,e.next)<0?KI(e,t,e.next)>=0&&KI(e,e.prev,t)>=0:KI(e,t,e.prev)<0||KI(e,e.next,t)<0}function qI(e,t){var i=new tD(e.i,e.x,e.y),r=new tD(t.i,t.x,t.y),s=e.next,n=t.prev;return e.next=t,t.prev=e,i.next=s,s.prev=i,r.next=i,i.prev=r,n.next=r,r.prev=n,r}function $I(e,t,i,r){var s=new tD(e,t,i);return r?(s.next=r.next,s.prev=r,r.next.prev=s,r.next=s):(s.prev=s,s.next=s),s}function eD(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function tD(e,t,i){this.i=e,this.x=t,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function iD(e,t,i,r){for(var s=0,n=t,o=i-r;n<i;n+=r)s+=(e[o]-e[n])*(e[n+1]+e[o+1]),o=n;return s}II.deviation=function(e,t,i,r){var s=t&&t.length,n=s?t[0]*i:e.length,o=Math.abs(iD(e,0,n,i));if(s)for(var a=0,l=t.length;a<l;a++){var u=t[a]*i,c=a<l-1?t[a+1]*i:e.length;o-=Math.abs(iD(e,u,c,i))}var A=0;for(a=0;a<r.length;a+=3){var h=r[a]*i,d=r[a+1]*i,p=r[a+2]*i;A+=Math.abs((e[h]-e[p])*(e[d+1]-e[h+1])-(e[h]-e[d])*(e[p+1]-e[h+1]))}return 0===o&&0===A?0:Math.abs((A-o)/o)},II.flatten=function(e){for(var t=e[0][0].length,i={vertices:[],holes:[],dimensions:t},r=0,s=0;s<e.length;s++){for(var n=0;n<e[s].length;n++)for(var o=0;o<t;o++)i.vertices.push(e[s][n][o]);s>0&&(r+=e[s-1].length,i.holes.push(r))}return i};var rD=re.vec2(),sD=re.vec3(),nD=re.vec3(),oD=re.vec3(),aD=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 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s=this,n=this.viewer.scene.canvas.spinner;n.processes++,this._dataSource.getCityJSON(t.src,(function(e){s._parseModel(e,t,i,r),n.processes--}),(function(e){n.processes--,s.error(e),r.fire("error",e)}))}},{key:"_parseModel",value:function(e,t,i,r){if(!r.destroyed){var s=e.transform?this._transformVertices(e.vertices,e.transform,i.rotateX):e.vertices,n=t.stats||{};n.sourceFormat=e.type||"CityJSON",n.schemaVersion=e.version||"",n.title="",n.author="",n.created="",n.numMetaObjects=0,n.numPropertySets=0,n.numObjects=0,n.numGeometries=0,n.numTriangles=0,n.numVertices=0;var o=!1!==t.loadMetadata,a=o?{id:re.createUUID(),name:"Model",type:"Model"}:null,l=o?{id:"",projectId:"",author:"",createdAt:"",schema:e.version||"",creatingApplication:"",metaObjects:[a],propertySets:[]}:null,u={data:e,vertices:s,sceneModel:r,loadMetadata:o,metadata:l,rootMetaObject:a,nextId:0,stats:n};if(this._parseCityJSON(u),r.finalize(),o){var c=r.id;this.viewer.metaScene.createMetaModel(c,u.metadata,i)}r.scene.once("tick",(function(){r.destroyed||(r.scene.fire("modelLoaded",r.id),r.fire("loaded",!0,!1))}))}}},{key:"_transformVertices",value:function(e,t,i){for(var r=[],s=t.scale||re.vec3([1,1,1]),n=t.translate||re.vec3([0,0,0]),o=0,a=0;o<e.length;o++,a+=3){var l=e[o][0]*s[0]+n[0],u=e[o][1]*s[1]+n[1],c=e[o][2]*s[2]+n[2];i?r.push([l,c,u]):r.push([l,u,c])}return r}},{key:"_parseCityJSON",value:function(e){var t=e.data.CityObjects;for(var i in t)if(t.hasOwnProperty(i)){var r=t[i];this._parseCityObject(e,r,i)}}},{key:"_parseCityObject",value:function(e,t,i){var r=e.sceneModel,s=e.data;if(e.loadMetadata){var n=i,o=t.type,a=o+" : "+i,l=t.parents?t.parents[0]:e.rootMetaObject.id;e.metadata.metaObjects.push({id:n,name:a,type:o,parent:l})}if(e.stats.numMetaObjects++,t.geometry&&t.geometry.length>0){for(var u=[],c=0,A=t.geometry.length;c<A;c++){var h=t.geometry[c],d=void 0,p=void 0,f=s.appearance;if(f){var v=f.materials;if(v){var g=h.material;if(g){var m=Object.keys(g);if(m.length>0){var _=g[m[0]];if(void 0!==_.value)d=v[_.value];else{var y=_.values;if(y){p=[];for(var b=0,B=y.length;b<B;b++){var w=v[y[c]];p.push(w)}}}}}}}p?this._parseGeometrySurfacesWithOwnMaterials(e,h,p,u):this._parseGeometrySurfacesWithSharedMaterial(e,h,d,u)}u.length>0&&(r.createEntity({id:i,meshIds:u,isObject:!0}),e.stats.numObjects++)}}},{key:"_parseGeometrySurfacesWithOwnMaterials",value:function(e,t,i,r){switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":var s=t.boundaries;this._parseSurfacesWithOwnMaterials(e,i,s,r);break;case"Solid":for(var n=t.boundaries,o=0;o<n.length;o++){var a=n[o];this._parseSurfacesWithOwnMaterials(e,i,a,r)}break;case"MultiSolid":case"CompositeSolid":for(var l=t.boundaries,u=0;u<l.length;u++)for(var c=0;c<l[u].length;c++){var A=l[u][c];this._parseSurfacesWithOwnMaterials(e,i,A,r)}}}},{key:"_parseSurfacesWithOwnMaterials",value:function(e,t,i,r){for(var s=e.vertices,n=e.sceneModel,o=0;o<i.length;o++){for(var a=i[o],l=t[o]||{diffuseColor:[.8,.8,.8],transparency:1},u=[],A=[],h=[],d={positions:[],indices:[]},p=0;p<a.length;p++){u.length>0&&A.push(u.length);var f=this._extractLocalIndices(e,a[p],h,d);u.push.apply(u,c(f))}if(3===u.length)d.indices.push(u[0]),d.indices.push(u[1]),d.indices.push(u[2]);else if(u.length>3){for(var v=[],g=0;g<u.length;g++)v.push({x:s[h[u[g]]][0],y:s[h[u[g]]][1],z:s[h[u[g]]][2]});for(var m=this._getNormalOfPositions(v,re.vec3()),_=[],y=0;y<v.length;y++)this._to2D(v[y],m,rD),_.unshift(rD[0]),_.unshift(rD[1]);for(var b=II(_,A,2),B=0;B<b.length;B+=3)d.indices.unshift(u[b[B]]),d.indices.unshift(u[b[B+1]]),d.indices.unshift(u[b[B+2]])}var w=""+e.nextId++;n.createMesh({id:w,primitive:"triangles",positions:d.positions,indices:d.indices,color:l&&l.diffuseColor?l.diffuseColor:[.8,.8,.8],opacity:l&&void 0!==l.transparency?1-l.transparency:1}),r.push(w),e.stats.numGeometries++,e.stats.numVertices+=d.positions.length/3,e.stats.numTriangles+=d.indices.length/3}}},{key:"_parseGeometrySurfacesWithSharedMaterial",value:function(e,t,i,r){var s=e.sceneModel,n=[],o={positions:[],indices:[]};switch(t.type){case"MultiPoint":case"MultiLineString":break;case"MultiSurface":case"CompositeSurface":var a=t.boundaries;this._parseSurfacesWithSharedMaterial(e,a,n,o);break;case"Solid":for(var l=t.boundaries,u=0;u<l.length;u++){var c=l[u];this._parseSurfacesWithSharedMaterial(e,c,n,o)}break;case"MultiSolid":case"CompositeSolid":for(var A=t.boundaries,h=0;h<A.length;h++)for(var d=0;d<A[h].length;d++){var p=A[h][d];this._parseSurfacesWithSharedMaterial(e,p,n,o)}}if(o.positions.length>0&&o.indices.length>0){var f=""+e.nextId++;s.createMesh({id:f,primitive:"triangles",positions:o.positions,indices:o.indices,color:i&&i.diffuseColor?i.diffuseColor:[.8,.8,.8],opacity:1}),r.push(f),e.stats.numGeometries++,e.stats.numVertices+=o.positions.length/3,e.stats.numTriangles+=o.indices.length/3}}},{key:"_parseSurfacesWithSharedMaterial",value:function(e,t,i,r){for(var s=e.vertices,n=0;n<t.length;n++){for(var o=[],a=[],l=0;l<t[n].length;l++){o.length>0&&a.push(o.length);var u=this._extractLocalIndices(e,t[n][l],i,r);o.push.apply(o,c(u))}if(3===o.length)r.indices.push(o[0]),r.indices.push(o[1]),r.indices.push(o[2]);else if(o.length>3){for(var A=[],h=0;h<o.length;h++)A.push({x:s[i[o[h]]][0],y:s[i[o[h]]][1],z:s[i[o[h]]][2]});for(var d=this._getNormalOfPositions(A,re.vec3()),p=[],f=0;f<A.length;f++)this._to2D(A[f],d,rD),p.unshift(rD[0]),p.unshift(rD[1]);for(var v=II(p,a,2),g=0;g<v.length;g+=3)r.indices.unshift(o[v[g]]),r.indices.unshift(o[v[g+1]]),r.indices.unshift(o[v[g+2]])}}}},{key:"_extractLocalIndices",value:function(e,t,i,r){for(var s=e.vertices,n=[],o=0,a=t.length;o<a;o++){var l=t[o];if(i.includes(l)){var u=i.indexOf(l);n.push(u)}else r.positions.push(s[l][0]),r.positions.push(s[l][1]),r.positions.push(s[l][2]),n.push(i.length),i.push(l)}return n}},{key:"_getNormalOfPositions",value:function(e,t){for(var i=0;i<e.length;i++){var r=i+1;r===e.length&&(r=0),t[0]+=(e[i].y-e[r].y)*(e[i].z+e[r].z),t[1]+=(e[i].z-e[r].z)*(e[i].x+e[r].x),t[2]+=(e[i].x-e[r].x)*(e[i].y+e[r].y)}return re.normalizeVec3(t)}},{key:"_to2D",value:function(e,t,i){var r=sD,s=nD,n=oD;r[0]=e.x,r[1]=e.y,r[2]=e.z,s[0]=t.x,s[1]=t.y,s[2]=t.z,n[0]=1.1,n[1]=1.1,n[2]=1.1,re.lenVec3(re.subVec3(n,s))<.01&&(n[0]+=1,n[1]+=2,n[2]+=3);var o=re.dotVec3(n,s),a=re.mulVec3Scalar(s,o,re.vec3());n[0]-=a[0],n[1]-=a[1],n[2]-=a[2],re.normalizeVec3(n);var l=re.cross3Vec3(s,n,re.vec3()),u=re.dotVec3(r,n),c=re.dotVec3(r,l);i[0]=u,i[1]=c}}]),i}(),lD=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};P(this,e),this.cacheBuster=!1!==t.cacheBuster}return C(e,[{key:"_cacheBusterURL",value:function(e){if(!this.cacheBuster)return e;var t=(new Date).getTime();return e.indexOf("?")>-1?e+"&_="+t:e+"?_="+t}},{key:"getDotBIM",value:function(e,t,i){he.loadJSON(this._cacheBusterURL(e),(function(e){t(e)}),(function(e){i(e)}))}}]),e}(),uD=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"DotBIMLoader",e,s)).dataSource=s.dataSource,r.objectDefaults=s.objectDefaults,r}return C(i,[{key:"dataSource",get:function(){return this._dataSource},set:function(e){this._dataSource=e||new lD}},{key:"objectDefaults",get:function(){return this._objectDefaults},set:function(e){this._objectDefaults=e||sF}},{key:"load",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};t.id&&this.viewer.scene.components[t.id]&&(this.error("Component with this ID already exists in viewer: "+t.id+" - will autogenerate this ID"),delete t.id);var i=new od(this.viewer.scene,he.apply(t,{isModel:!0,backfaces:t.backfaces,dtxEnabled:t.dtxEnabled,rotation:t.rotation,origin:t.origin})),r=i.id;if(!t.src&&!t.dotBIM)return this.error("load() param expected: src or dotBIM"),i;var s,n,o=t.objectDefaults||this._objectDefaults||sF;if(t.includeTypes){s={};for(var a=0,l=t.includeTypes.length;a<l;a++)s[t.includeTypes[a]]=!0}if(t.excludeTypes){n={},s||(s={});for(var u=0,A=t.excludeTypes.length;u<A;u++)s[t.excludeTypes[u]]=!0}var h=function(t){for(var i=t.fileData,a=t.sceneModel,l={},u=re.createUUID(),A=re.createUUID(),h=re.createUUID(),d=re.createUUID(),p={metaObjects:[{id:u,name:"Project",type:"Project",parent:null},{id:A,name:"Site",type:"Site",parent:u},{id:h,name:"Building",type:"Building",parent:A},{id:d,name:"BuildingStorey",type:"BuildingStorey",parent:h}],propertySets:[]},f=i.elements,v=function(e,t){var r=f[e],u=r.type;if(n&&n[u])return"continue";if(s&&!s[u])return"continue";var A=r.info,h=void 0!==r.guid?"".concat(r.guid):void 0!==A&&void 0!==A.id?A.id:e,v=r.mesh_id,g=r.vector,m=r.rotation,_=o?o[u]||o.DEFAULT:null,y=!0,B=!0;if(void 0===r.face_colors){!function(e,t){if(!l[e]){var r=i.meshes.find((function(e){return e.mesh_id===t.mesh_id}));a.createGeometry({id:e,primitive:"triangles",positions:r.coordinates,indices:r.indices}),l[e]=!0}}(v,r);var w="".concat(h,"-mesh"),P=r.color?[r.color.r/255,r.color.g/255,r.color.b/255]:[1,1,1],x=r.color?r.color.a/255:1;_&&(!1===_.visible&&(y=!1),!1===_.pickable&&(B=!1),_.colorize&&(P=_.colorize),void 0!==_.opacity&&null!==_.opacity&&(x=_.opacity)),a.createMesh({id:w,geometryId:v,color:P,opacity:x,quaternion:!m||0===m.qz&&0===m.qy&&0===m.qx&&1===m.qw?void 0:[m.qx,m.qy,m.qz,m.qw],position:g?[g.x,g.y,g.z]:void 0}),a.createEntity({id:h,meshIds:[w],visible:y,pickable:B,isObject:!0})}else{for(var C=r.face_colors,M={},E=0,F=i.meshes.find((function(e){return e.mesh_id===r.mesh_id})),k=0,I=C.length;k<I;k+=4){var D=[C[k],C[k+1],C[k+2],C[k+3]];void 0===M[D]&&(M[D]=[]);var S=F.indices[E],T=F.coordinates[3*S],R=F.coordinates[3*S+1],L=F.coordinates[3*S+2],U=F.indices[E+1],O=F.coordinates[3*U],N=F.coordinates[3*U+1],Q=F.coordinates[3*U+2],V=F.indices[E+2],H=F.coordinates[3*V],j=F.coordinates[3*V+1],G=F.coordinates[3*V+2];M[D].push(T,R,L,O,N,Q,H,j,G),E+=3}for(var z=[],K=0,W=Object.entries(M);K<W.length;K++){var X=b(W[K],2),J=X[0],Y=X[1];a.createGeometry({id:"".concat(v,"-").concat(J),primitive:"triangles",positions:Y,indices:c(Array(Y.length/3).keys())});var Z="".concat(h,"-mesh-").concat(J),q=J.split(",").map(Number),$=[q[0]/255,q[1]/255,q[2]/255],ee=q[3]/255;_&&(!1===_.visible&&(y=!1),!1===_.pickable&&(B=!1),_.colorize&&($=_.colorize),void 0!==_.opacity&&null!==_.opacity&&(ee=_.opacity)),a.createMesh({id:Z,geometryId:"".concat(v,"-").concat(J),color:$,opacity:ee,quaternion:!m||0===m.qz&&0===m.qy&&0===m.qx&&1===m.qw?void 0:[m.qx,m.qy,m.qz,m.qw],position:g?[g.x,g.y,g.z]:void 0}),z.push(Z)}a.createEntity({id:h,meshIds:z,visible:y,pickable:B,isObject:!0})}var te=[];for(var ie in A)te.push({name:ie,value:A[ie]});p.propertySets.push({id:h,name:"Properties",properties:te}),p.metaObjects.push({id:h,name:A&&A.Name&&"None"!==A.Name?A.Name:"".concat(r.type," ").concat(h),type:r.type,parent:d,propertySetIds:[h]})},g=0,m=f.length;g<m;g++)v(g);a.finalize(),e.viewer.metaScene.createMetaModel(r,p),a.scene.once("tick",(function(){a.destroyed||(a.scene.fire("modelLoaded",a.id),a.fire("loaded",!0,!1))}))};if(t.src){var d=t.src;this.viewer.scene.canvas.spinner.processes++,this._dataSource.getDotBIM(d,(function(t){h({fileData:t,sceneModel:i,nextId:0,error:function(e){}}),e.viewer.scene.canvas.spinner.processes--}),(function(t){e.viewer.scene.canvas.spinner.processes--,e.error(t)}))}else if(t.dotBIM){var p={fileData:t.dotBIM,sceneModel:i,nextId:0,error:function(e){}};h(p)}return i.once("destroyed",(function(){e.viewer.metaScene.destroyMetaModel(r)})),i}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this)}}]),i}(),cD=function(e){var t=function(t){return parseInt(e.substr(t+1,2),16)/255};return[t(0),t(2),t(4)]},AD=function(e){for(var t=[],i=0;i<e.length;++i)t.push(i);var r=function(){for(var i=re.vec2(),r=re.vec2(),s=0,n=0;n<t.length;++n){var o=e[t[n]],a=e[t[(n+1)%t.length]],l=e[t[(n+2)%t.length]];re.subVec2(o,a,i),re.subVec2(l,a,r);var u=re.dotVec2(i,r)/Math.sqrt(re.sqLenVec2(i)*re.sqLenVec2(r)),c=Math.acos(Math.max(-1,Math.min(u,1)));s+=i[0]*r[1]-i[1]*r[0]>=0?c:2*Math.PI-c}return s<t.length*Math.PI}(),s=function(){var e=function(e,t,i){return(e[0]-i[0])*(t[1]-i[1])-(t[0]-i[0])*(e[1]-i[1])};return function(t,i,r,s){var n=e(t,i,r),o=e(t,r,s),a=e(t,s,i);return!((n<0||o<0||a<0)&&(n>0||o>0||a>0))}}(),n=[],o=(r?t:t.slice(0).reverse()).map((function(e){return{idx:e}}));o.forEach((function(e,t){e.prev=o[(t-1+o.length)%o.length],e.next=o[(t+1)%o.length]}));for(var a=re.vec2(),l=re.vec2();o.length>2;){for(var u=0,c=function(){if(u>=o.length)throw"isCCW = ".concat(r,"; earIdx = ").concat(u,"; len = ").concat(o.length);var t=o[u],i=e[t.prev.idx],n=e[t.idx],c=e[t.next.idx];if(re.subVec2(i,n,a),re.subVec2(c,n,l),a[0]*l[1]-a[1]*l[0]>=0&&o.every((function(r){return r===t||r===t.prev||r===t.next||!s(e[r.idx],i,n,c)})))return"break";++u};;){if("break"===c())break}var A=o[u];o.splice(u,1),n.push([A.idx,A.next.idx,A.prev.idx]),A.prev.next=A.next,A.next.prev=A.prev}return[e,n,r]},hD=function(e,t){var i=new Mt(e,{},e.canvas.canvas.parentNode,{borderColor:"white",fillColor:t,zIndex:100});return{update:function(e){e&&(i.worldPos=e),i.setVisible(!!e)},setHighlighted:function(e){return i.setHighlighted(e)},getCanvasPos:function(){return i.canvasPos},getWorldPos:function(){return i.worldPos},destroy:function(){return i.destroy()}}},dD=function(e,t,i){var r=null,s=function(s){if(s){r&&r.destroy();try{var n,o,a=AD(s.map((function(e){return[e[0],e[2]]}))),l=b(a,2),u=l[0],A=l[1],h=(n=[]).concat.apply(n,c(u.map((function(e){return[e[0],s[0][1],e[1]]})))),d=(o=[]).concat.apply(o,c(A));r=new On(e,{pickable:!1,geometry:new dr(e,{positions:h,indices:d,normals:re.buildNormals(h,d)}),material:new mr(e,{alpha:void 0!==i?i:.5,backfaces:!0,diffuse:cD(t)})})}catch(e){r=null}}r&&(r.visible=!!s)};return s(null),{updateBase:s,destroy:function(){return r&&r.destroy()}}},pD=function(e,t){return function(i,r,s){var n=e.scene,o=n.canvas.canvas,a=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,wt(o.ownerDocument.documentElement,o,t),t},l=function(e){var i=re.vec3(),r=re.vec3();return re.canvasPosToWorldRay(o,n.camera.viewMatrix,n.camera.projMatrix,n.camera.projection,e,i,r),t(i,r)},u=!1,c=function(){u=!1},A=function(){c(),o.removeEventListener("mousedown",d),o.removeEventListener("mousemove",p),e.cameraControl.off(f),o.removeEventListener("mouseup",v)},h=re.vec2(),d=function(e){1===e.which&&(a(e,h),u=!0)};o.addEventListener("mousedown",d);var p=function(e){var t=a(e,re.vec2());u&&re.distVec2(h,t)>20&&(c(),i())};o.addEventListener("mousemove",p);var f=e.cameraControl.on("rayMove",(function(e){var t=e.canvasPos;r(t,l(t))})),v=function(e){if(1===e.which&&u){A();var t=a(e,re.vec2());s(t,l(t))}};return o.addEventListener("mouseup",v),A}},fD=function(e,t,i,r){var s=-(re.dotVec3(i,t)-e)/re.dotVec3(r,t),n=re.vec3();return re.mulVec3Scalar(r,s,n),re.addVec3(i,n,n),n},vD=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(P(this,i),(r=t.call(this,e.viewer.scene,s)).plugin=e,r._container=s.container,!r._container)throw"config missing: container";return r._eventSubs={},r.plugin.viewer.scene,r._geometry=s.geometry,s.onMouseOver,s.onMouseLeave,s.onContextMenu,r._alpha="alpha"in s&&void 0!==s.alpha?s.alpha:.5,r.color=s.color,r._visible=!0,r._rebuildMesh(),r}return C(i,[{key:"_rebuildMesh",value:function(){var e,t=this,i=this.plugin.viewer.scene,r=this._geometry.planeCoordinates.slice(),s=this._geometry.height<0,n=this._geometry.altitude+(s?this._geometry.height:0),o=this._geometry.height*(s?-1:1),a=b(AD(r),3),l=a[0],u=a[1],h=a[2],d=[],p=[],f=function(e){var t,i=d.length,r=A(l);try{for(r.s();!(t=r.n()).done;){var s=t.value;d.push([s[0],n+(e?o:0),s[1]])}}catch(e){r.e(e)}finally{r.f()}var a,h=A(u);try{for(h.s();!(a=h.n()).done;){var f=a.value;p.push.apply(p,c((e?f:f.slice(0).reverse()).map((function(e){return e+i}))))}}catch(e){h.e(e)}finally{h.f()}};f(!1),f(!0);for(var v=function(e){var t=l[e],i=l[(l.length+e+(h?1:-1))%l.length],r=n,s=n+o,a=d.length;d.push([t[0],r,t[1]],[i[0],r,i[1]],[i[0],s,i[1]],[t[0],s,t[1]]),p.push.apply(p,c([0,1,2,0,2,3].map((function(e){return e+a}))))},g=0;g<l.length;++g)v(g);this._zoneMesh&&this._zoneMesh.destroy();var m=function(e){return Math.min.apply(Math,c(d.map((function(t){return t[e]}))))},_=function(e){return Math.max.apply(Math,c(d.map((function(t){return t[e]}))))},y=m(0),B=m(1),w=m(2),P=_(0),x=_(1),C=_(2);this._center=re.vec3([(y+P)/2,(B+x)/2,(w+C)/2]);var M=(e=[]).concat.apply(e,c(d.map((function(e){return re.subVec3(e,t._center,e)}))));this._zoneMesh=new On(i,{origin:this._center,edges:this._edges,geometry:new dr(i,{positions:M,indices:p,normals:re.buildNormals(M,p)}),material:new mr(i,{alpha:this._alpha,backfaces:!0,diffuse:cD(this._color)}),visible:this._visible}),this._zoneMesh.highlighted=this._highlighted,this._zoneMesh.zone=this;var E,F=re.vec2(),k=re.vec2(),I=0,D=A(u);try{for(D.s();!(E=D.n()).done;){var S=E.value,T=l[S[0]],R=l[S[1]],L=l[S[2]];re.subVec2(R,T,F),re.subVec2(L,T,k),I+=Math.abs(F[0]*k[1]-F[1]*k[0])}}catch(e){D.e(e)}finally{D.f()}this._baseArea=I/2,this._metrics=null}},{key:"baseArea",get:function(){return this._baseArea}},{key:"area",get:function(){return this._getMetrics().area}},{key:"volume",get:function(){return this._getMetrics().volume}},{key:"_getMetrics",value:function(){if(null===this._metrics){for(var e=0,t=0,i=this._zoneMesh.geometry,r=[re.vec3(),re.vec3(),re.vec3()],s=re.vec3(),n=0;n<i.indices.length;n+=3){for(var o=0;o<3;++o)for(var a=r[o],l=3*i.indices[n+o],u=0;u<3;++u)a[u]=i.positions[l+u];e+=re.dotVec3(r[0],re.cross3Vec3(r[1],r[2],s)),re.subVec3(r[1],r[0],r[1]),re.subVec3(r[2],r[0],r[2]),t+=re.lenVec3(re.cross3Vec3(r[1],r[2],s))}this._metrics={area:t/2,volume:e/6}}return this._metrics}},{key:"sectionedAverage",value:function(e){var t=this._geometry.planeCoordinates.slice(),i=[],r=this._geometry.height,s=this._geometry.altitude,n=s+Math.max(0,r),o=s+Math.min(0,r),a=function(e){var r=t.map((function(t){return[t[0],e?n:o,t[1]]}));i.push(e?r:r.slice(0).reverse())};a(!0),a(!1);for(var l=function(e,i){return[t[e][0],i,t[e][1]]},u=0;u<t.length;++u){var c=(u+1)%t.length;i.push([l(u,o),l(c,o),l(c,n),l(u,n)])}var h,d=A(e);try{for(d.s();!(h=d.n()).done;){var p,f=h.value,v=f.dir,g=f.dist,m=[],_=A(i);try{for(_.s();!(p=_.n()).done;){for(var y=p.value,b=1e-5,B=0,w=[],P=0;P<y.length;P++){var x=re.dotVec3(v,y[P])+g,C=x<-1e-5?2:x>b?1:0;B|=C,w.push(C)}switch(B){case 0:case 1:m.push(y);break;case 2:break;case 3:for(var M=[],E=0;E<y.length;E++){var F=(E+1)%y.length,k=w[E],I=w[F],D=y[E],S=y[F];if(2!==k&&M.push(D),3==(k|I)){var T=re.vec3();re.subVec3(S,D,T);var R=-(g+re.dotVec3(v,D))/re.dotVec3(v,T),L=[0,0,0];re.lerpVec3(R,0,1,D,S,L),M.push(L)}}M.length>=3&&m.push(M)}}}catch(e){_.e(e)}finally{_.f()}i=m}}catch(e){d.e(e)}finally{d.f()}if(0===i.length)return null;var U,O=re.vec3([0,0,0]),N=new Set,Q=A(i);try{for(Q.s();!(U=Q.n()).done;){var V,H=A(U.value);try{for(H.s();!(V=H.n()).done;){var j=V.value,G=j.map((function(e){return e.toFixed(3)})).join(":");N.has(G)||(N.add(G),re.addVec3(O,j,O))}}catch(e){H.e(e)}finally{H.f()}}}catch(e){Q.e(e)}finally{Q.f()}return re.mulVec3Scalar(O,1/N.size,O),O}},{key:"center",get:function(){return this._center}},{key:"altitude",get:function(){return this._geometry.altitude},set:function(e){this._geometry.altitude=e,this._rebuildMesh()}},{key:"height",get:function(){return this._geometry.height},set:function(e){this._geometry.height=e,this._rebuildMesh()}},{key:"highlighted",get:function(){return this._highlighted},set:function(e){this._highlighted=e,this._zoneMesh&&(this._zoneMesh.highlighted=e)}},{key:"color",get:function(){return this._color},set:function(e){this._color=e,this._zoneMesh&&(this._zoneMesh.material.diffuse=cD(this._color))}},{key:"alpha",get:function(){return this._alpha},set:function(e){this._alpha=e,this._zoneMesh&&(this._zoneMesh.material.alpha=this._alpha)}},{key:"edges",get:function(){return this._edges},set:function(e){this._edges=e,this._zoneMesh&&(this._zoneMesh.edges=this._edges)}},{key:"visible",get:function(){return this._visible},set:function(e){this._visible=!!e,this._zoneMesh.visible=this._visible,this._needUpdate()}},{key:"getJSON",value:function(){return{id:this.id,geometry:this._geometry,alpha:this._alpha,color:this._color}}},{key:"duplicate",value:function(){return this.plugin.createZone({id:re.createUUID(),geometry:{planeCoordinates:this._geometry.planeCoordinates.map((function(e){return e.slice()})),altitude:this._geometry.altitude,height:this._geometry.height},alpha:this._alpha,color:this._color})}},{key:"destroy",value:function(){this._zoneMesh.destroy(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),gD=function(e){p(i,Ce);var t=v(i);function i(e,r,s){var n;return P(this,i),(n=t.call(this,e.viewer.scene)).zonesPlugin=e,n.pointerLens=r.pointerLens,n.createSelect3dPoint=s,n._deactivate=null,n}return C(i,[{key:"active",get:function(){return!!this._deactivate}},{key:"activate",value:function(e,t,i,r){if(!this._deactivate){if("object"===y(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=this.createSelect3dPoint(a,(function(t,i){return fD(e,re.vec3([0,1,0]),t,i)}));!function s(){var n=dD(l,i,r),a=function(e,t,i,r,s,n){var o=hD(e,t),a=hD(e,t),l=i?function(e){i.visible=!!e,e&&(i.canvasPos=e)}:function(){},u=r((function(){l(null),o.update(null)}),(function(e,t){l(e),o.update(t)}),(function(e,t){o.update(t),u=r((function(){l(null),a.update(null),s(null)}),(function(e,i){l(e),a.update(i),s(re.distVec3(t,i)>.01&&[t,i])}),(function(e,i){a.update(i),o.destroy(),a.destroy(),l(null),n([t,i])}))}));return{deactivate:function(){u(),o.destroy(),a.destroy(),l(null)}}}(l,i,u.pointerLens,c,(function(e){if(e){var t=e[0],i=e[1],r=function(e){return Math.min(t[e],i[e])},s=function(e){return Math.max(t[e],i[e])},o=r(0),a=r(1),l=r(2),u=s(0);s(1);var c=s(2);n.updateBase([[o,a,c],[u,a,c],[u,a,l],[o,a,l]])}else n.updateBase(null)}),(function(a){n.destroy();var l=function(e,t,i,r,s,n,o){var a=function(i){return Math.min(e[i],t[i])},l=function(i){return Math.max(e[i],t[i])},u=a(0),c=a(2),A=l(0),h=l(2);return o.createZone({id:re.createUUID(),geometry:{planeCoordinates:[[u,h],[A,h],[A,c],[u,c]],altitude:i,height:r},alpha:n,color:s})}(a[0],a[1],e,t,i,r,o),c=!0;u._deactivate=function(){c=!1},u.fire("zoneEnd",l),c&&s()})).deactivate;u._deactivate=function(){a(),n.destroy()}}()}}},{key:"deactivate",value:function(){this._deactivate&&(this._deactivate(),this._deactivate=null)}},{key:"destroy",value:function(){this.deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),mD=function(e){p(i,gD);var t=v(i);function i(e){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),t.call(this,e,r,(function(e,t){return pD(e,t)}))}return C(i)}(),_D=function(e){p(i,gD);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};P(this,i);var n=new Le(e.viewer);return(r=t.call(this,e,s,(function(e,t){return Dt(e,n,t)}))).pointerCircle=n,r}return C(i,[{key:"destroy",value:function(){this.pointerCircle.destroy(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),yD=function(e){p(i,Ue);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,"Zones",e))._pointerLens=s.pointerLens,r._container=s.container||document.body,r._zones=[],r.defaultColor=void 0!==s.defaultColor?s.defaultColor:"#00BBFF",r.zIndex=s.zIndex||1e4,r._onMouseOver=function(e,t){r.fire("mouseOver",{plugin:m(r),zone:t,event:e})},r._onMouseLeave=function(e,t){r.fire("mouseLeave",{plugin:m(r),zone:t,event:e})},r._onContextMenu=function(e,t){r.fire("contextMenu",{plugin:m(r),zone:t,event:e})},r}return C(i,[{key:"createZone",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};this.viewer.scene.components[t.id]&&(this.error("Viewer scene component with this ID already exists: "+t.id),delete t.id);var i=new vD(this,{id:t.id,plugin:this,container:this._container,geometry:t.geometry,alpha:t.alpha,color:t.color,onMouseOver:this._onMouseOver,onMouseLeave:this._onMouseLeave,onContextMenu:this._onContextMenu});return this._zones.push(i),i.on("destroyed",(function(){var t=e._zones.indexOf(i);t>=0&&e._zones.splice(t,1)})),this.fire("zoneCreated",i),i}},{key:"zones",get:function(){return this._zones}},{key:"destroy",value:function(){h(_(i.prototype),"destroy",this).call(this)}}]),i}(),bD=function(e,t,i,r,s,n,o,a,l){var u,c=n?function(e){n.visible=!!e,e&&(n.canvasPos=e)}:function(){},A=[function(){return c(null)}],h=dD(e,r,s);return A.push((function(){return h.destroy()})),function n(d){var p=hD(e,r),f=d.length>0&&function(e,t,i){var r=new Ft(e,e.canvas.canvas.ownerDocument.body,{color:t,thickness:1,thicknessClickable:6});return r.setVisible(!1),{update:function(e){e&&r.setEnds(i,e),r.setVisible(!!e)},destroy:function(){return r.destroy()}}}(e,r,d[d.length-1].getWorldPos());A.push((function(){p.destroy(),f&&f.destroy()}));var v=d.length>0&&d[0],g=function(e){var t=v&&v.getCanvasPos();return t&&re.distVec2(t,e)<10&&{canvasPos:t,worldPos:v.getWorldPos()}},m=function(){var e=function(e,t,i){return t[0]<=Math.max(e[0],i[0])&&t[0]>=Math.min(e[0],i[0])&&t[1]<=Math.max(e[1],i[1])&&t[1]>=Math.min(e[1],i[1])},t=function(e,t,i){var r=(t[1]-e[1])*(i[0]-t[0])-(t[0]-e[0])*(i[1]-t[1]);return 0===r?0:r>0?1:2};return function(i,r){for(var s=i[i.length-2],n=i[i.length-1],o=r?1:0;o<i.length-2-1;++o){var a=i[o],l=i[o+1],u=t(s,n,a),c=t(s,n,l),A=t(a,l,s),h=t(a,l,n);if(u!==c&&A!==h||0===u&&e(s,a,n)||0===c&&e(s,l,n)||0===A&&e(a,s,l)||0===h&&e(a,n,l))return!0}return!1}}();u=a((function(){c(null),p.update(null),f&&f.update(null),h.updateBase(d.length>2?d.map((function(e){return e.getWorldPos()})):null)}),(function(e,t){var i=d.length>2&&g(e);if(v&&v.setHighlighted(!!i),c(i?i.canvasPos:e),p.update(!i&&t),f&&f.update(i?i.worldPos:t),d.length>=2){var r=d.map((function(e){return e.getWorldPos()})).concat(i?[]:[t]),s=m(r.map((function(e){return[e[0],e[2]]})),i);h.updateBase(s?null:r)}else h.updateBase(null)}),(function(e,a){var u=d.length>2&&g(e),c=d.map((function(e){return e.getWorldPos()})).concat(u?[]:[a]);h.updateBase(c);var v=c.map((function(e){return[e[0],e[2]]}));d.length>2&&m(v,u)?(A.pop()(),n(d)):u?(p.update(a),A.forEach((function(e){return e()})),l(o.createZone({id:re.createUUID(),geometry:{planeCoordinates:v,altitude:t,height:i},alpha:s,color:r}))):(p.update(a),f&&f.update(a),n(d.concat(p)))}))}([]),{closeSurface:function(){throw"TODO"},deactivate:function(){u(),A.forEach((function(e){return e()}))}}},BD=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e.viewer.scene)).zonesPlugin=e,r.pointerLens=s.pointerLens,r._action=null,r}return C(i,[{key:"active",get:function(){return!!this._action}},{key:"activate",value:function(e,t,i,r){if("object"===y(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}if(!this._action){var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=pD(a,(function(t,i){return fD(e,re.vec3([0,1,0]),t,i)}));!function s(){u._action=bD(l,e,t,i,r,u.pointerLens,o,c,(function(e){var t=!0;u._action={deactivate:function(){t=!1}},u.fire("zoneEnd",e),t&&s()}))}()}}},{key:"deactivate",value:function(){this._action&&(this._action.deactivate(),this._action=null)}},{key:"destroy",value:function(){this.deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),wD=function(e){p(i,Ce);var t=v(i);function i(e){var r,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return P(this,i),(r=t.call(this,e.viewer.scene)).zonesPlugin=e,r.pointerLens=s.pointerLens,r.pointerCircle=new Le(e.viewer),r._action=null,r}return C(i,[{key:"active",get:function(){return!!this._action}},{key:"activate",value:function(e,t,i,r){if("object"===y(e)&&null!==e){var s=e,n=function(e,t){if(e in s)return s[e];if(void 0!==t)return t;throw"config missing: "+e};e=n("altitude"),t=n("height"),i=n("color","#008000"),r=n("alpha",.5)}if(!this._action){var o=this.zonesPlugin,a=o.viewer,l=a.scene,u=this,c=Dt(a,this.pointerCircle,(function(t,i){return fD(e,re.vec3([0,1,0]),t,i)}));!function s(){u._action=bD(l,e,t,i,r,u.pointerLens,o,c,(function(e){var t=!0;u._action={deactivate:function(){t=!1}},u.fire("zoneEnd",e),t&&s()}))}()}}},{key:"deactivate",value:function(){this._action&&(this._action.deactivate(),this._action=null)}},{key:"destroy",value:function(){this.deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),PD=function(e){p(i,Ce);var t=v(i);function i(e,r,s,n){var o;P(this,i);var a=e.plugin.viewer,l=a.scene;o=t.call(this,l);var u=e._geometry.altitude,c=e._geometry.planeCoordinates.map((function(t){var i=l.canvas.canvas.ownerDocument.body,r=new Mt(l,{},i,{fillColor:e._color});return r.worldPos=re.vec3([t[0],u,t[1]]),r.on("worldPos",(function(){t[0]=r.worldPos[0],t[1]=r.worldPos[2];try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}})),r})),A=It({viewer:a,handleMouseEvents:s,handleTouchEvents:n,pointerLens:r&&r.pointerLens,dots:c,ray2WorldPos:function(e,t){return fD(u,re.vec3([0,1,0]),e,t)},onEnd:function(t,i){return e._zoneMesh&&o.fire("edited"),!!e._zoneMesh}}),h=function(){A(),c.forEach((function(e){return e.destroy()}))},d=e.on("destroyed",h);return o._deactivate=function(){e.off("destroyed",d),h()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),xD=function(e){p(i,PD);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),CD=function(e){p(i,PD);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,!1,!0)}return C(i)}(),MD=function(e){p(i,Ce);var t=v(i);function i(e,r,s,n){var o;P(this,i);var a=e.plugin.viewer,l=a.scene,u=l.canvas.canvas,A=m(o=t.call(this,l)),h=e._geometry.altitude,d=r&&r.pointerLens,p=d?function(e){d.visible=!!e,e&&(d.canvasPos=e)}:function(){},f=function(e){var t,i,r=re.vec3(),s=re.vec3();return re.canvasPosToWorldRay(u,l.camera.viewMatrix,l.camera.projMatrix,l.camera.projection,e,r,s),t=r,i=s,fD(h,re.vec3([0,1,0]),t,i)},v=function(e,t){return t[0]=e.clientX,t[1]=e.clientY,wt(u.ownerDocument.documentElement,u,t),t},g=function(e,t){var i=function(e){e.preventDefault(),t(e)};return u.addEventListener(e,i),function(){return u.removeEventListener(e,i)}},_=function(){},y=function(t,i,r,s){var n,o,l,c,h=s(t),d=v(h,re.vec2()),m=a.scene.pick({canvasPos:d,includeEntities:[e._zoneMesh.id]});if((m&&m.entity&&m.entity.zone)===e){_(),u.style.cursor="move",a.cameraControl.active=!1;var y=(n=e._geometry.planeCoordinates.map((function(e){return e.slice()})),o=f(d),l=re.vec2([o[0],o[2]]),c=re.vec2(),function(t){var i=f(t);c[0]=i[0],c[1]=i[2],re.subVec2(l,c,c),e._geometry.planeCoordinates.forEach((function(e,t){re.subVec2(n[t],c,e)}));try{e._rebuildMesh()}catch(t){e._zoneMesh&&(e._zoneMesh.destroy(),e._zoneMesh=null)}}),b=g(i,(function(e){var t=s(e);if(t){var i=v(t,re.vec2());y(i),p(i)}})),B=g(r,(function(e){var t=s(e);if(t){var i=v(t,re.vec2());y(i),p(null),_(),A.fire("translated")}}));_=function(){_=function(){},u.style.cursor="default",a.cameraControl.active=!0,b(),B()}}},b=[];s&&b.push(g("mousedown",(function(e){1===e.which&&y(e,"mousemove","mouseup",(function(e){return 1===e.which&&e}))}))),n&&b.push(g("touchstart",(function(e){if(1===e.touches.length){var t=e.touches[0].identifier;y(e,"touchmove","touchend",(function(e){return c(e.changedTouches).find((function(e){return e.identifier===t}))}))}})));var B=function(){_(),b.forEach((function(e){return e()})),p(null)},w=e.on("destroyed",B);return o._deactivate=function(){e.off("destroyed",w),B()},o}return C(i,[{key:"deactivate",value:function(){this._deactivate(),h(_(i.prototype),"destroy",this).call(this)}}]),i}(),ED=function(e){p(i,MD);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,!0,!1)}return C(i)}(),FD=function(e){p(i,MD);var t=v(i);function i(e,r){return P(this,i),t.call(this,e,r,!1,!0)}return C(i)}();export{rs as AlphaFormat,tr as AmbientLight,Ht as AngleMeasurementEditMouseControl,jt as AngleMeasurementEditTouchControl,Lt as AngleMeasurementsControl,Ut as AngleMeasurementsMouseControl,Ot as AngleMeasurementsPlugin,Qt as AngleMeasurementsTouchControl,Xt as AnnotationsPlugin,Gn as AxisGizmoPlugin,dd as BCFViewpointsPlugin,To as Bitmap,Wr as ByteType,np as CameraMemento,Nd as CameraPath,Kd as CameraPathAnimation,aD as CityJSONLoaderPlugin,Tr as ClampToEdgeWrapping,Ce as Component,Ks as CompressedMediaType,ja as Configs,J as ContextMenu,cp as CubicBezierCurve,Ld as Curve,Ph as DefaultLoadingManager,ls as DepthFormat,us as DepthStencilFormat,er as DirLight,Ed as DistanceMeasurementEditControl,Fd as DistanceMeasurementEditMouseControl,kd as DistanceMeasurementEditTouchControl,wd as DistanceMeasurementsControl,Pd as DistanceMeasurementsMouseControl,xd as DistanceMeasurementsPlugin,Md as DistanceMeasurementsTouchControl,Mt as Dot3D,lD as DotBIMDefaultDataSource,uD as DotBIMLoaderPlugin,Br as EdgeMaterial,yr as EmphasisMaterial,VF as FaceAlignedSectionPlanesPlugin,Id as FastNavPlugin,qr as FloatType,_o as Fresnel,Ie as Frustum,ke as FrustumPlane,js as GIFMediaType,Dd as GLTFDefaultDataSource,nF as GLTFLoaderPlugin,$r as HalfFloatType,Zd as ImagePlane,Yr as IntType,Gs as JPEGMediaType,kh as KTX2TextureTranscoder,EI as LASLoaderPlugin,Et as Label3D,io as LambertMaterial,rp as LightMap,ld as LineSet,Vs as LinearEncoding,Vr as LinearFilter,zr as LinearMipMapLinearFilter,jr as LinearMipMapNearestFilter,Gr as LinearMipmapLinearFilter,Hr as LinearMipmapNearestFilter,xh as Loader,wh as LoadingManager,Sd as LocaleService,as as LuminanceAlphaFormat,os as LuminanceFormat,G as Map,ct as Marker,Te as MarqueePicker,Re as MarqueePickerMouseControl,On as Mesh,Wo as MeshSurfaceArea,No as MeshVolume,no as MetallicMaterial,Rr as MirroredRepeatWrapping,ap as ModelMemento,uF as NavCubePlugin,Lr as NearestFilter,Qr as NearestMipMapLinearFilter,Ur as NearestMipMapNearestFilter,Nr as NearestMipmapLinearFilter,Or as NearestMipmapNearestFilter,to as Node,_F as OBJLoaderPlugin,ne as ObjectsKdTree3,up as ObjectsMemento,zs as PNGMediaType,Ap as Path,dp as PerformanceModel,mr as PhongMaterial,ii as PickResult,Ue as Plugin,qd as PointLight,Le as PointerCircle,Y as PointerLens,hp as QuadraticBezierCurve,oe as Queue,ns as RGBAFormat,ps as RGBAIntegerFormat,Us as RGBA_ASTC_10x10_Format,Ts as RGBA_ASTC_10x5_Format,Rs as RGBA_ASTC_10x6_Format,Ls as RGBA_ASTC_10x8_Format,Os as RGBA_ASTC_12x10_Format,Ns as RGBA_ASTC_12x12_Format,Cs as RGBA_ASTC_4x4_Format,Ms as RGBA_ASTC_5x4_Format,Es as RGBA_ASTC_5x5_Format,Fs as RGBA_ASTC_6x5_Format,ks as RGBA_ASTC_6x6_Format,Is as RGBA_ASTC_8x5_Format,Ds as RGBA_ASTC_8x6_Format,Ss as RGBA_ASTC_8x8_Format,Qs as RGBA_BPTC_Format,xs as RGBA_ETC2_EAC_Format,Bs as RGBA_PVRTC_2BPPV1_Format,bs as RGBA_PVRTC_4BPPV1_Format,vs as RGBA_S3TC_DXT1_Format,gs as RGBA_S3TC_DXT3_Format,ms as RGBA_S3TC_DXT5_Format,ss as RGBFormat,ws as RGB_ETC1_Format,Ps as RGB_ETC2_Format,ys as RGB_PVRTC_2BPPV1_Format,_s as RGB_PVRTC_4BPPV1_Format,fs as RGB_S3TC_DXT1_Format,hs as RGFormat,ds as RGIntegerFormat,dr as ReadableGeometry,cs as RedFormat,As as RedIntegerFormat,ip as ReflectionMap,Sr as RepeatWrapping,jF as STLDefaultDataSource,qF as STLLoaderPlugin,od as SceneModel,qo as SceneModelMesh,Zh as SceneModelTransform,zn as SectionPlane,MF as SectionPlanesPlugin,Xr as ShortType,pp as Skybox,HF as SkyboxesPlugin,lo as SpecularMaterial,Ud as SplineCurve,sp as SpriteMarker,SF as StoreyViewsPlugin,mo as Texture,fp as TextureTranscoder,tk as TreeViewPlugin,Kr as UnsignedByteType,is as UnsignedInt248Type,Zr as UnsignedIntType,es as UnsignedShort4444Type,ts as UnsignedShort5551Type,Jr as UnsignedShortType,Bo as VBOGeometry,ok as ViewCullPlugin,sB as Viewer,yI as WebIFCLoaderPlugin,Ft as Wire3D,Eh as WorkerPool,ak as XKTDefaultDataSource,iI as XKTLoaderPlugin,mI as XML3DLoaderPlugin,PD as ZoneEditControl,xD as ZoneEditMouseControl,CD as ZoneEditTouchControl,MD as ZoneTranslateControl,ED as ZoneTranslateMouseControl,FD as ZoneTranslateTouchControl,mD as ZonesMouseControl,yD as ZonesPlugin,BD as ZonesPolysurfaceMouseControl,wD as ZonesPolysurfaceTouchControl,_D as ZonesTouchControl,kt as activateDraggableDot,It as activateDraggableDots,pr as buildBoxGeometry,Co as buildBoxLinesGeometry,Mo as buildBoxLinesGeometryFromAABB,Qn as buildCylinderGeometry,Eo as buildGridGeometry,So as buildLineGeometry,Fo as buildPlaneGeometry,Io as buildPolylineGeometry,Do as buildPolylineGeometryFromCurve,Vn as buildSphereGeometry,ko as buildTorusGeometry,jn as buildVectorTextGeometry,ze as createRTCViewMat,Se as frustumIntersectsAABB3,Dh as getKTX2TextureTranscoder,Je as getPlaneRTCPos,Ro as isTriangleMeshSolid,Po as load3DSGeometry,xo as loadOBJGeometry,re as math,Xo as meshSurfaceArea,Qo as meshVolume,Oe as os,Xe as rtcToWorldPos,Hs as sRGBEncoding,De as setFrustum,ae as stats,Dt as touchPointSelector,wt as transformToNode,he as utils,Ke as worldToRTCPos,We as worldToRTCPositions};